CN106225978A - Railway lateral wheel force caliberating device, system and scaling method thereof - Google Patents
Railway lateral wheel force caliberating device, system and scaling method thereof Download PDFInfo
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- CN106225978A CN106225978A CN201610791926.6A CN201610791926A CN106225978A CN 106225978 A CN106225978 A CN 106225978A CN 201610791926 A CN201610791926 A CN 201610791926A CN 106225978 A CN106225978 A CN 106225978A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
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Abstract
The embodiment of the present application discloses a kind of railway lateral wheel force caliberating device, system and scaling method thereof, and described caliberating device includes demarcating frame body；The inside of described demarcation frame body is provided with a hydraulic pump, and the two ends of described hydraulic pump are respectively fixedly connected with a connecting rod, and the other end of described connecting rod connects a block, and the opening shape of described block matches with rail head；The both sides of the end of described demarcation frame body respectively set a drive wheel assemblies, and described drive wheel assemblies includes driving motor, cam and rack unit, slide block gear assembly, back-moving spring, L-shaped support arm and driving wheel；The end of described demarcation frame body respectively sets two laser range finders；It is additionally provided with brake unit on described demarcation frame body；The center of the upper surface of described demarcation frame body is additionally provided with level gauge.From above technical scheme, the caliberating device that the embodiment of the present application provides can independently travel to tested point and the lateral wheel force of rail is carried out automatic Calibration, simple to operate, easy to use.
Description
Technical field
The application relates to railway engineering technical field of measurement and test, particularly relate to a kind of railway lateral wheel force caliberating device,
System and scaling method thereof.
Background technology
Railway is the large artery trunks of transportation, and the development to national economy plays a very important role.Developing High-speed and
Heavy haul transport is to improve the basic strategy countermeasure of China Railway ability, can effectively alleviate the contradiction of railway transporting amount and capacity,
There are significant economic results in society.
But along with raising and the increase of axle weight of train speed, the interaction aggravation between vehicle and track, to train
Operation safety requirements more and more higher, therefore, be badly in need of improve train operating safety safeguard level.Run at rolling stock
In, the monitoring of wheel rail force is to ensureing that train traffic safety has very important significance.Wherein, wheel rail force includes vertical wheel rail force
With horizontal wheel rail force, vertical wheel rail force refers to that caused by train deadweight and the factor such as track irregularity, wheel is parallel
In the power that rail profile axis of symmetry direction is applied on rail；Lateral wheel force refers to due between wheel tread and rail surface
The wheel caused by factor such as the contact of creep, friction or wheel rim and rail head side is being perpendicular to rail profile axis of symmetry work
Use the power on rail.Derailment coefficients can be calculated by the ratio of lateral wheel force and vertical wheel rail force, accordingly, it is capable to no standard
True demarcates wheel rail force, will be directly connected to the test result of wheel rail force, and affect train derailment coefficients, wheel further
The result of calculation of the safety indexes such as weight off-load rate, finally affects the judgement evaluation to train operational safety.
Traditional wheel rail force is demarcated and generally by vehicles such as automobiles, calibration facility is transported tested point, then by work
Make personnel at the scene calibration facility to be assembled, and need personnel to demarcating frame in the pressurization repeated and stress-relief process
Carry out lifting holding up, in case offseting, operation complexity, and there is potential safety hazard.It addition, in the Railway Environment such as tunnel, bridge, by
Impassable in automobile, cause must be by a dead lift calibration facility and traditional wheel rail force caliberating device parts many, weight
Greatly, difficulty of construction and workload are added.
Summary of the invention
The embodiment of the present application provides a kind of railway lateral wheel force caliberating device, system and scaling method thereof, to solve
The technical problem that certainly in prior art, railway lateral wheel force calibration facility operation complexity, difficulty of construction and workload are bigger.
In order to solve above-mentioned technical problem, the embodiment of the present application discloses following technical scheme:
First aspect, the embodiment of the present application provides a kind of railway lateral wheel force caliberating device, including demarcating frame body,
Described demarcation frame body has orthogonal fore-and-aft direction and left and right directions, and described demarcation frame body is along described left and right directions
The housing extended；
The inside of described demarcation frame body is provided with a hydraulic pump, and described hydraulic pump includes raising the head in pump body and top, described hydraulic pressure
The two ends of pump are respectively fixedly connected with a connecting rod, and the other end of described connecting rod stretches out described demarcation frame body, connect a block, described
The opening shape of block matches with rail head, and described connecting rod is positioned at parallel with described left and right directions with the axis of described hydraulic pump
On same straight line；
The both sides of the end of described demarcation frame body respectively set a drive wheel assemblies, and described drive wheel assemblies includes driving electricity
Machine, the output shaft of described driving motor is parallel with described fore-and-aft direction, and the output shaft of described driving motor is provided with a cam tooth
Wheel assembly, described cam and rack unit includes cam and the first gear, the base circle diameter (BCD) of described cam and described first gear
Root diameter is equal, described cam and the described first coaxial setting of gear, the outer rim of described cam and described first gear
Root circle projection one closed curve of composition in the axial direction thereof, and the tooth of the outer rim of described cam and described first gear
Root circle seamlessly transits in the junction of described closed curve；
Described drive wheel assemblies also includes the slide block gear assembly cooperated with described cam and rack unit, described slide block
Gear assembly includes slide block and the second gear, is provided with the chute extended along described left and right directions in described demarcation frame body, described
Slide block is embedded and is connected with described slide inside described chute, described second gear be arranged on described slide block outside and
Described slide block is rotationally connected, and the rotating shaft of described second gear is vertical with the plane at described slide block place, and described slide block is convex with described
Wheel matches, and described first gear and described second gear match, and described slide block is towards the one of described demarcation frame body end
It is additionally provided with back-moving spring between side and described demarcation frame body；
When described driving motor drives described cam and rack unit to rotate, described cam is tangent with described slide block, drives
Described slide block is along described slide；Or, described first gear engages with described second gear, drives described second gear to turn
Dynamic；
Described drive wheel assemblies also includes that a L-shaped support arm, described L-shaped support arm include orthogonal first support arm and second
Support arm, described first support arm is fixing with described second gear in being nested in the axis hole of described second gear to be connected, described second
The end of arm is provided with driving wheel, and described driving wheel is rotationally connected with described second support arm, is used for driving described demarcation frame body to exist
Walking on rail, described driving wheel includes the foreign steamer being coaxially disposed and interior takes turns, the diameter of described foreign steamer less than described interior take turns straight
Footpath, the wheel face of described foreign steamer is for being erected at the upper surface of rail head, and the described interior lateral surface taken turns is for being stuck in the medial surface of rail head；
The end of described demarcation frame body respectively sets two laser range finders, the most described block of said two laser range finder
Being symmetrical arranged, described laser range finder is configured to launch laser beam along described left and right directions；
It is additionally provided with, on described demarcation frame body, the brake unit matched with described driving wheel；
The center of the upper surface of described demarcation frame body is additionally provided with level gauge.
Preferably, the reference circle of described second gear and described slide block are tangent near the side of described cam.
Preferably, the curved surface of described cam being additionally provided with locating surface, described locating surface is to be located on described cam curved surface
Plane.
Preferably, described locating surface includes the first locating surface and the second locating surface, and the axis of described cam and rack unit exists
The axis of symmetry being projected as described first locating surface on described first locating surface, the quantity of described second locating surface is two, two
Individual the most described first locating surface of described second locating surface is symmetrical arranged.
Preferably, the distance between central point and the axis of described cam of described first locating surface is S1, described second
Distance between central point and the axis of described cam of locating surface is S2, wherein, and 2mm ＜ S1-S2 ＜ 3mm.
Preferably, described first support arm is connected by taper key is fixing with described second gear.
Preferably, the upper surface of described demarcation frame body be respectively arranged at two ends with a scale, the center scale of described scale
It is oppositely arranged with the centrage of described connecting rod.
Second aspect, the embodiment of the present application provides a kind of railway lateral wheel force calibration system, including first aspect institute
The caliberating device stated and generating laser, described caliberating device also includes being arranged on same straight line along described fore-and-aft direction
First laser pickoff, the second laser pickoff and the 3rd laser pickoff；
The quantity of described first laser pickoff is one, is arranged on the centrage bottom described demarcation frame body, institute
The quantity stating the second laser pickoff and described 3rd laser pickoff is respectively two, is arranged on described demarcation frame body both sides
The first support arm on, wherein, two described second laser pickoffs and two described 3rd laser pickoffs are respectively the most described
First laser pickoff is symmetrical arranged, and described second laser pickoff is positioned at the inner side of described 3rd laser pickoff；
Described generating laser is arranged on the position that the flange of rail matches with tested point, and described generating laser is configured to
Laser beam is launched towards the working line being perpendicular to described laser pickoff.
The third aspect, the embodiment of the present application provides a kind of railway lateral wheel force scaling method, uses above-mentioned first party
Caliberating device described in face, described method includes:
Step S110: be placed on rail by described caliberating device, sends pre-travel commands to described driving motor, described
Motor is driven to drive described cam and rack unit to rotate so that described cam promotes the described slide block outside slip towards described chute
Dynamic, and then drive described driving wheel to move towards the direction of rail, make the driving wheel at described demarcation frame body two ends block respectively and set
On the rail of described demarcation frame body both sides, and the medial surface of the described interior lateral surface taken turns and described rail head keeps 2mm-3mm
Space, the outside of described chute refers to the described chute side away from described cam；
Step S120: send driving instruction to described driving wheel, make caliberating device described in described drive wheel along rail
Bearing of trend travel, until arrive tested point；
Step S130: send fixed instruction to described driving motor, described driving motor drives described cam and rack unit
Rotate so that described cam promotes described slide block to slide towards the outside of described chute, and then drives described driving wheel towards steel
The direction of rail is moved, and makes the described interior lateral surface taken turns fit tightly with the medial surface of described rail head；
Step S140: send precharge instruction to described hydraulic pump, makes to demarcate described in described hydraulic pump drive frame body two
The block of side holds out against the rail of described demarcation frame body both sides in advance；
Step S150: send driving wheel recovery command to described driving motor, described driving motor drives described cam tooth
Wheel assembly rotates, and described slide block to the inner slide of described chute, departs from institute until described cam under the effect of back-moving spring
State slide block, described first gear and the engagement of the second gear, drive described second pinion rotation, and then drive described driving wheel to swing
Top to rail；
Step S160: send test pressurization instruction to described hydraulic pump, make to apply between described block and rail certain
Test pressure fi, the undulating value of the pressure between described block and rail be less than 5%, and the persistent period more than t time, gather institute
State the pressure p between block and raili, and distance h that laser range finder detectsi, wherein, i=1；
Step S170: send fixed instruction to described driving motor, described driving motor drives described cam and rack unit
Rotate so that described first gear drives described second pinion rotation, drives described driving wheel to be rocked to be in same with rail
On horizontal plane, described first gear and described second gear depart from, and described cam and described slide block offset so that described cam pushes away
Dynamic described slide block slides towards the outside of described chute, and then drives described driving wheel to move towards the direction of rail, makes described
The lateral surface inside taken turns fits tightly with the medial surface of described rail head；
Step S180: send release instruction to described hydraulic pump, raise the head in the top of described hydraulic pump and pump body reclaims so that institute
State block and depart from the rail of described demarcation frame body both sides；
Step S190: send precharge instruction to described hydraulic pump, makes to demarcate described in described hydraulic pump drive frame body two
The block of side holds out against the rail of described demarcation frame body both sides in advance；
Step S200: send driving wheel recovery command to described driving motor, described driving motor drives described cam tooth
Wheel assembly rotates, and described slide block to the inner slide of described chute, departs from institute until described cam under the effect of back-moving spring
State slide block, described second gear and the engagement of the first gear, drive described first pinion rotation, and then drive described driving wheel to swing
Top to rail；
Step S210: send test pressurization instruction to described hydraulic pump, make to apply between described block and rail certain
Test pressure Fi, the undulating value of the pressure between described block and rail be less than 5%, and the persistent period more than t time, gather institute
State the pressure p between block and raili, and distance h that laser range finder detectsi, wherein, i is for sending described test pressurization
The number of times of instruction, wherein, Fi＞ Fi-1；
Step S220: judge whether i is less than n, wherein n is the number of times of default test pressurization instruction, if judged result is
It is to return step S170；Otherwise, step S230 is entered；
Step S230: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain
Apply the array (f after test pressure for n timei, hi), according to the array (f after described n applying test pressurei, hi) simulate f and
The relation curve of h, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block and rail.
Fourth aspect, the embodiment of the present application provides a kind of railway lateral wheel force scaling method, uses above-mentioned second party
System described in face, described method includes:
Step S310: be placed on rail by described caliberating device, sends pre-travel commands to described driving motor, described
Motor is driven to drive described cam and rack unit to rotate so that described cam promotes the described slide block outside slip towards described chute
Dynamic, and then drive described driving wheel to move towards the direction of rail, make the driving wheel at described demarcation frame body two ends block respectively and set
On the rail of described demarcation frame body both sides, and the medial surface of the described interior lateral surface taken turns and described rail head keeps 2mm-3mm
Space, the outside of described chute refers to the described chute side away from described cam；
Step S320: send driving instruction to described driving wheel, make caliberating device described in described drive wheel along rail
Bearing of trend travel；
Step S330: when the 3rd laser pickoff receives the laser signal of laser transmitter projects, gather current
Time t1The speed v current with described demarcation frame body1, and send first brake instruction to described brake unit, make described braking
Device provides the first normal pressure G to described driving wheel1；
Step S340: when the second laser pickoff receives the laser signal of laser transmitter projects, gather current
Time t2The speed v current with described demarcation frame body2, according to formula: v1-v2=a1(t1-t2), calculate described caliberating device
By the acceleration a the 3rd laser pickoff to the second laser pickoff1；According to formula ma1=μ G1, calculate described braking
Coefficientoffrictionμ between device and described driving wheel, wherein, m is the quality of described caliberating device；According to formula 2a2S=v3 2-
v2 2, calculate the acceleration a between the second laser pickoff and the first laser pickoff2, wherein, v3=0, s are the second laser
Distance between receptor and the first laser pickoff；According to formula ma2=μ G2, calculate the second normal pressure G2, and to described
Brake unit sends the second brake instruction, makes described brake unit provide the second normal pressure G to described driving wheel2；
Step S350: when described first laser pickoff receives the laser signal of laser transmitter projects, to described
Brake unit sends the 3rd brake instruction, makes driving wheel described in described brake unit locking；
Step S360: send fixed instruction to described driving motor, described driving motor drives described cam and rack unit
Rotate so that described cam promotes described slide block to slide towards the outside of described chute, and then drives described driving wheel towards steel
The direction of rail is moved, and makes the described interior lateral surface taken turns fit tightly with the medial surface of described rail head；
Step S370: send precharge instruction to described hydraulic pump, makes to demarcate described in described hydraulic pump drive frame body two
The block of side holds out against the rail of described demarcation frame body both sides in advance；
Step S380: send driving wheel recovery command to described driving motor, described driving motor drives described cam tooth
Wheel assembly rotates, and described slide block to the inner slide of described chute, departs from institute until described cam under the effect of back-moving spring
State slide block, described first gear and the engagement of the second gear, drive described second pinion rotation, and then drive described driving wheel to swing
Top to rail；
Step S390: send test pressurization instruction to described hydraulic pump, make to apply between described block and rail certain
Test pressure fi, the undulating value of the pressure between described block and rail be less than 5%, and the persistent period more than t time, gather institute
State the pressure p between block and raili, and distance h that laser range finder detectsi, wherein, i=1；
Step S400: send fixed instruction to described driving motor, described driving motor drives described cam and rack unit
Rotate so that described first gear drives described second pinion rotation, drives described driving wheel to be rocked to be in same with rail
On horizontal plane, described first gear and described second gear depart from, and described cam and described slide block offset so that described cam pushes away
Dynamic described slide block slides towards the outside of described chute, and then drives described driving wheel to move towards the direction of rail, makes described
The lateral surface inside taken turns fits tightly with the medial surface of described rail head；
Step S410: send release instruction to described hydraulic pump, raise the head in the top of described hydraulic pump and pump body reclaims so that institute
State block and depart from the rail of described demarcation frame body both sides；
Step S420: send precharge instruction to described hydraulic pump, makes to demarcate described in described hydraulic pump drive frame body two
The block of side holds out against the rail of described demarcation frame body both sides in advance；
Step S430: send driving wheel recovery command to described driving motor, described driving motor drives described cam tooth
Wheel assembly rotates, and described slide block to the inner slide of described chute, departs from institute until described cam under the effect of back-moving spring
State slide block, described first gear and the engagement of the second gear, drive described second pinion rotation, and then drive described driving wheel to swing
Top to rail；
Step S440: send test pressurization instruction to described hydraulic pump, make to apply between described block and rail certain
Test pressure Fi, the undulating value of the pressure between described block and rail be less than 5%, and the persistent period more than t time, gather institute
State the pressure p between block and raili, and distance h that laser range finder detectsi, wherein, i is for sending described test pressurization
The number of times of instruction, wherein, Fi＞ Fi-1；
Step S450: judge whether i is less than n, wherein n is the number of times of default test pressurization instruction, if judged result is
It is to return step S400；Otherwise, step S460 is entered；
Step S460: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain
Apply the array (f after test pressure for n timei, hi), according to the array (f after described n applying test pressurei, hi) simulate f and
The relation curve of h, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block and rail.
From above technical scheme, the railway lateral wheel force caliberating device that the embodiment of the present application provides can autonomous row
Sail to tested point and the lateral wheel force of rail is carried out automatic Calibration, simple to operate, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The perspective view of a kind of railway lateral wheel force caliberating device that Fig. 1 provides for the embodiment of the present application；
The polycrystalline substance schematic diagram of a kind of railway lateral wheel force caliberating device that Fig. 2 provides for the embodiment of the present application；
Partial enlarged drawing at dotted line in Fig. 1 that Fig. 3 provides for the embodiment of the present application；
The partial structurtes schematic diagram of a kind of drive wheel assemblies that Fig. 4 provides for the embodiment of the present application；
The partial structurtes schematic diagram of the another kind of drive wheel assemblies that Fig. 5 provides for the embodiment of the present application；
The axis projection schematic diagram of a kind of cam and rack unit that Fig. 6 provides for the embodiment of the present application；
A kind of cam and rack unit perspective view in arrow A direction along Fig. 6 that Fig. 7 provides for the embodiment of the present application；
The axis projection schematic diagram of a kind of slide block gear assembly that Fig. 8 provides for the embodiment of the present application；
The partial structurtes schematic diagram of the another kind of drive wheel assemblies that Fig. 9 provides for the embodiment of the present application；
Figure 10 A is partially schematic for the walking states of a kind of railway lateral wheel force caliberating device that the embodiment of the present application provides
Figure；
A kind of railway lateral wheel force caliberating device that Figure 10 B provides for the embodiment of the present application to hold out against state partially schematic
Figure；
Figure 10 C is partially schematic for the demarcation state of a kind of railway lateral wheel force caliberating device that the embodiment of the present application provides
Figure；
The axis projection schematic diagram of the another kind of slide block gear assembly that Figure 11 provides for the embodiment of the present application；
The partial structurtes schematic diagram of the another kind of railway lateral wheel force caliberating device that Figure 12 provides for the embodiment of the present application；
The braking by grades signal of a kind of railway lateral wheel force caliberating device that Figure 13 A-13D provides for the embodiment of the present application
Figure；
Symbol table in figure is shown as: 1-demarcates frame body, 2-hydraulic pump, 201-pump body, and 202-raises the head on top, 3-connecting rod, 4-
Block, 5-drive wheel assemblies, 501-drives motor, 502-cam and rack unit, 5021-cam, 5022-the first gear, 5023-
The basic circle of cam, 5024-the first locating surface, 5025-the second locating surface, 503-slide block gear assembly, 5031-slide block, 5032-
Two gears, the reference circle of 5033-the second gear, 504-chute, 505-back-moving spring, 506-L shape support arm, 5061-the first support arm,
5062-the second support arm, 507-driving wheel, wheel in 5071-, 5072-foreign steamer, 508-taper key, 6-laser range finder, 7-marks
Chi, 8-level gauge, 9-power supply, 10-rail, 1001-rail head, the 1002-web of the rail, the 1003-flange of rail, 11-generating laser, 1201-
First laser pickoff, 1202-the second laser pickoff, 1203-the 3rd laser pickoff, X-left and right directions, Y-fore-and-aft direction.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to the application protection
Scope.
Rail 10 involved by the embodiment of the present application is " work " word being made up of rail head 1001, the web of the rail 1002 and the flange of rail 1003
Shape rail 10, succinct in order to describe, it is called for short rail 10 in this article.
Railway lateral wheel force caliberating device (hereinafter referred to as caliberating device) involved by the embodiment of the present application be applied to by
Article two, the track of parallel rail 10 composition, referred to herein to the rail 10 demarcating frame body 1 both sides should be understood to group
Become two parallel rail 10 of track.
Accompanying drawing involved by the embodiment of the present application is succinct for labelling, and identical functional unit uses like number to carry out
Labelling.
The perspective view of a kind of railway lateral wheel force caliberating device that Fig. 1 provides for the embodiment of the present application, Fig. 2
Polycrystalline substance schematic diagram for a kind of railway lateral wheel force caliberating device that the embodiment of the present application provides.Such as Fig. 1 and combine Fig. 2
Shown in, the caliberating device that the embodiment of the present application provides includes demarcating frame body 1, is demarcating frame body 1 subscript for convenience of description
Note has orthogonal fore-and-aft direction Y and left and right directions X, described demarcation frame body 1 to be the shell extended along described left and right directions X
Body, other functional part of described caliberating device is arranged at demarcating on frame body 1, makes described caliberating device realize corresponding merit
Can, the direction of travel of the described the most described caliberating device of fore-and-aft direction Y.
The inside X in left-right direction of described demarcation frame body 1 is provided with a hydraulic pump 2, and described hydraulic pump 2 includes pump body 201
Raising the head 202 with top, the two ends of described hydraulic pump 2 are respectively fixedly connected with a connecting rod 3, and the other end of described connecting rod 3 stretches out described mark
Determining frame body 1, connect a block 4, described connecting rod 3 is slidably connected with described demarcation frame body 1.Wherein, block 4 and connecting rod 3
Connected mode is the application be not specifically limited, such as, can use threaded, welding etc., and those skilled in the art can basis
Being actually needed and select, it all should fall within the scope of the present application.The opening shape of described block 4 and rail head
1001 match, described connecting rod 3 be positioned at the axis of described hydraulic pump 2 with on described same straight line parallel for left and right directions X.
It addition, when described block 4 is supported on rail head 1001, exist between 2-3mm between boss and the web of the rail 1002 of block 4 bottom
Gap, fits with the opening inner side face and rail head 1001 medial surface guaranteeing block 4.
In actual use, described caliberating device is arranged between two rail 10 of track, and described demarcation fills
The left and right directions X put is mutually perpendicular to the bearing of trend of rail 10.Then when hydraulic pump 2 pressurizes, hydraulic pump 2 extends, and then band
The connecting rod 3 at hydrodynamic press pump 2 two ends promotes block 4 to move towards away from the direction demarcating frame body 1 so that demarcate frame body 1 both sides
Block 4 support the rail head 1001 of both sides respectively；When hydraulic pump 2 release, hydraulic pump 2 shrinks, and then drives hydraulic pump 2 liang
The connecting rod 3 of end pulls block 4 to depart from the rail head 1001 of both sides.
When the block 4 demarcating frame body 1 both sides supports the rail head 1001 of both sides respectively, in order to detect the shape of rail 10
Change state, is additionally provided with laser range finder 6 demarcating on frame body 1.In Fig. 1 that Fig. 3 provides for the embodiment of the present application at dotted line
Partial enlarged drawing, as it is shown on figure 3, be provided with laser range finder 6 in the end demarcating frame body 1, laser range finder 6 is configured to edge
Left and right directions X launches, and i.e. when caliberating device works, laser range finder 6 is towards being perpendicular to the direction transmitting laser that rail 10 extends
Bundle.Owing to carrying out lateral wheel force timing signal, the contact position of block 4 and rail 10 is impetus, i.e. rail 10 occurs shape
The central point become, therefore, in the application one preferred embodiment, the every one end demarcating frame body 1 arranges two laser rangings
Instrument 6, and the relative block 4 of two laser range finders 6 of every one end is symmetrical arranged.Wherein, the range finding knot of every one end laser range finder 6
Fruit takes the range finding average of all laser range finders in every one end 6, and the every one end demarcating frame body 1 in the embodiment of the present application arranges two
Individual laser range finder 6, i.e. takes the range finding average range measurement as this end of two laser range finders 6.Certainly, art technology
Personnel can also arrange the laser range finder 6 of other quantity in the every one end demarcating frame body 1 according to the actual requirements, as 4,6
Individual or 8 etc., on the premise of conceiving without departing from the present application, within it all should be at the protection domain of the application.
In order to reach preferably to test effect, the centrage of connecting rod 3 should be just to tested point, but in practical work process
In, the centrage of connecting rod 3 is difficult to observe, and causes the centrage of connecting rod 3 to be difficult to align with tested point.In the embodiment of the present application,
Demarcate the center being respectively arranged at two ends with a scale 7, the center scale of described scale 7 and described connecting rod 3 of the upper surface of frame body 1
Line is oppositely arranged.Owing to position relationship between the centrage of scale 7 and connecting rod 3 determines that, therefore can be really by scale 7
Determine the position of center line of connecting rod 3, it is achieved tested point is accurately positioned.
The caliberating device that the embodiment of the present application provides needs to realize two major functions, and one is to demarcating frame body 1 liang
The rail 10 of side applies cross force and then realizes lateral wheel force demarcation；Its two for drive caliberating device autonomous row on rail 10
Walk.Wherein, applying cross force to the rail 10 demarcating frame body 1 both sides can be realized by hydraulic pump 2, but so that horizontal
The accuracy demarcated to wheel rail force, when hydraulic pump 2 applies cross force, demarcating can not be by other between frame body 1 and rail 10
Parts disturb, say, that when hydraulic pump 2 applies cross force, drive the parts of caliberating device walking must take off with rail 10
From.In order to realize this purpose, the caliberating device that the embodiment of the present application provides respectively sets one in the both sides of the end demarcating frame body 1 and drives
Drive wheel assemblies 5, i.e. respectively sets a drive wheel assemblies 5 at four edges demarcating frame body 1, and described drive wheel assemblies 5 includes
Cam and rack unit 502, slide block gear assembly 503, L-shaped support arm 506 and the driving wheel 507 cooperated, for the ease of ability
The technical staff in territory is more fully understood that concrete structure and the operation principle of each parts, and the partial schematic diagram below in conjunction with each parts enters
Row describes in detail.
The structural representation of a kind of drive wheel assemblies that Fig. 4 provides for the embodiment of the present application, Fig. 5 is that the embodiment of the present application carries
The structural representation of the another kind of drive wheel assemblies of confession, such as Fig. 4 and combine shown in Fig. 5, the driving wheel that the embodiment of the present application provides
Assembly 5 includes driving motor 501, and described driving motor 501 is fixedly installed on demarcation frame body 1, and described driving motor 501
Output shaft parallel with described fore-and-aft direction Y.The output shaft of described driving motor 501 is provided with a cam and rack unit 502, institute
State cam and rack unit 502 and include cam 5021 and the first gear 5022, described cam 5021 and described first gear 5022 altogether
Axle is arranged.
The axis projection schematic diagram of a kind of cam and rack unit that Fig. 6 provides for the embodiment of the present application, as shown in Figure 6, institute
The diameter of the basic circle 5023 stating cam 5021 is equal with the root diameter of described first gear 5022, outside described cam 5021
The root circle of edge and described first gear 5022 projection one closed curve of composition in the axial direction thereof, and described cam
The outer rim of 5021 seamlessly transits in the junction of described closed curve with the root circle of described first gear 5022.It is to say,
The cam and rack unit 502 that the embodiment of the present application provides, to be perpendicular to (as shown in Figure 6) from the point of view of the projection of its axial direction, convex
Wheel 5021 and the first gear 5022 form the rotor of 360 °, and wherein, cam 5021 and the first gear 5022 respectively account for 180 °；
Along Fig. 6 from the point of view of the projection in arrow A direction (as shown in Figure 7), cam 5021 and the first gear 5022 are handed in the axial direction thereof
Wrong setting, i.e. cam 5021 and the projection in the axial direction thereof of the first gear 5022 is the most overlapping, wherein potentially includes portion
Divide overlap, fit tightly and be separated from each other three kinds of situations.
Wherein, if cam 5021 and the first gear 5022 are overlapping in the projection section being perpendicular on its axis direction, then
When assembling cam and rack unit 502 and slide block gear assembly 503, need to exist the lap of cam 5021 and slide block 5031
Stagger on its axis direction (lap of cam 5021 does not interacts with slide block 5031), by the overlap of the first gear 5022
Part stagger in the axial direction thereof with the second gear 5032 (lap of the first gear 5022 not with the second gear 5032 phase
Interaction), otherwise the interaction of cam 5021 slide block 5031 can be sent out with the first gear 5022 and engaging of the second gear 5032
Raw conflict.But use this setup will necessarily cause cam 5021 and the first gear 5022 part-structure and the wave of material
Take, further, since cam 5021 and the first gear 5022 only part position stress so that cam 5021 and the first gear 5022
Discontinuity, and then affect cam 5021 and the service life of the first gear 5022.
If cam 5021 and the first gear 5022 are separated from each other in the projection being perpendicular on its axis direction, i.e. vertically
Projection on its axis direction is staggered a certain distance, and the structure that can cause cam and rack unit 502 is the compactest, waste mark
Determine the inner space of frame body 1.
In the application one preferred embodiment, cam 5021 and the first gear 5022 is used to be perpendicular to its axis direction
On the set-up mode that fits tightly of projection, both can ensure that cam 5021 and the uniform stressed of the first gear 5022, the most permissible
Reduce the volume of cam and rack unit 502, save the inner space demarcating frame body 1.
Described drive wheel assemblies 5 also includes the slide block gear assembly 503 cooperated with described cam and rack unit 502,
Described slide block gear assembly 503 includes slide block 5031 and the second gear 5032, is provided with along described left and right in described demarcation frame body 1
The chute 504 that direction X extends, described slide block 5031 is embedded and is slidably connected with described chute 504 inside described chute 504, institute
State the second gear 5032 to be arranged on the outside of described slide block 5031 and be rotationally connected with described slide block 5031, described second gear
The rotating shaft of 5032 is vertical with the plane at described slide block 5031 place, and described slide block 5031 matches with described cam 5021, described
First gear 5022 and described second gear 5032 match, and described slide block 5031 is towards the one of described demarcation frame body 1 end
It is additionally provided with back-moving spring 505 between side and described demarcation frame body 1.
If being its current state with the pose of the cam and rack unit 502 shown in Fig. 4 and slide block gear assembly 503, drive
Galvanic electricity machine 501 drives cam and rack unit 502 to rotate clockwise, then along with the rotation of cam and rack unit 502, and cam 5,021 half
Footpath (distance between the contact point of cam 5021 and slide block 5031 to the axis of cam 5021) is gradually reduced, slide block gear assembly
503 gradually move to cam and rack unit 502 under the effect of back-moving spring 505, keep the tight of cam 5021 and slide block 5031
Closely connected conjunction；When cam 5021 rotates to the junction with the first gear 5022, cam 5021 and slide block 5031 separate, the first tooth
Wheel 5022 and the second gear 5032 start engagement, and the first gear 5022 drives the second gear 5032 to rotate；When the first gear 5022
When driving the second gear 5032 to rotate to certain angle, motor 501 is driven to drive cam and rack unit 502 to rotate counterclockwise,
Then the first gear 5022 drives the second gear 5032 to invert, when the first gear 5022 rotates to the junction with cam 5021,
First gear 5022 and the second gear 5032 separate, and cam 5021 contacts again with slide block 5031, and along with cam 5021
Rotating, cam 5021 radius becomes larger, and cam 5021 promotes slide block gear assembly 503 compression reseting spring 505, towards away from convex
The direction motion of wheel gear assembly 502, by controlling to drive the rotating of motor 501, alternately realizes turning of the second gear 5032
Move and slide.
The axis projection schematic diagram of a kind of slide block gear assembly that Fig. 8 provides for the embodiment of the present application, at the angle shown in Fig. 8
From the point of view of Du, if the distance at the edge that stretches out slide block 5031, the edge of the second gear 5032 is crossed conference and is caused slide block gear assembly
The structure of 503 is the compactest, and the inner space of frame body 1 is demarcated in waste；If the edge of the second gear 5032 stretches out slide block
The distance at the edge of 5031 is too small or is positioned at the inside at edge of slide block 5031, can cause the first gear 5022 and the second gear
5032 are difficult to engagement.In the application one preferred embodiment, reference circle 5033 and the described slide block of described second gear 5032
5031 is tangent near the side of described cam 5021.Use this structure to design, ensure the first gear 5022 and the second gear
While 5032 are prone to engagement, so that slide block gear assembly 503 is compacter, save the inner space demarcating frame body 1.
The partial structurtes schematic diagram of the another kind of drive wheel assemblies that Fig. 9 provides for the embodiment of the present application, as it is shown in figure 9, this
The drive wheel assemblies 5 that application embodiment provides also includes that a L-shaped support arm 506, described L-shaped support arm 506 include orthogonal the
One support arm 5061 and the second support arm 5062, in described first support arm 5061 is nested in the axis hole of described second gear 5032 and institute
State the second fixing connection of gear 5032.In order to limit the axial displacement of the second gear 5032, the first support arm 5061 and the second gear
5032 can be fixed by taper key 508.
The end of described second support arm 5062 is provided with driving wheel 507, described driving wheel 507 and described second support arm 5062 turns
Being dynamically connected, be used for driving described demarcation frame body 1 to walk on rail 10, described driving wheel 507 includes the foreign steamer being coaxially disposed
5072 and interior take turns 5071, the diameter of described foreign steamer 5072 less than described interior take turns 5071 diameter, the wheel face of described foreign steamer 5072 is used
In being erected at the upper surface of rail head 1001, the described interior lateral surface of 5071 of taking turns is for being stuck in the medial surface of rail head 1001.
The operation principle of caliberating device that the embodiment of the present application provides it is more fully understood that for the ease of those skilled in the art,
Respectively the different operating state of caliberating device is illustrated below in conjunction with Figure 10 A-10C.For the ease of identifying details therein,
Figure 10 A-10C only intercepts on the left of caliberating device and has illustrated, but it is understood that, the right side of caliberating device and left side
Symmetrical.
Figure 10 A is partially schematic for the walking states of a kind of railway lateral wheel force caliberating device that the embodiment of the present application provides
Figure, as shown in Figure 10 A, when caliberating device is walked, cam 5021 is inconsistent with slide block 5031, promotes the second gear 5032 to drive
Driving wheel 507 is stuck on rail head 1001, makes the wheel face of foreign steamer 5072 be erected at the upper surface of rail head 1001.It addition, in order to avoid
Driving wheel 507 and rail head 1001 are stuck, make driving wheel 507 keep rotatory power, at the interior lateral surface taking turns 5071 and rail head 1001
Medial surface between there is gap L, wherein the size of gap L can by rotate cam 5021 be adjusted, in the application one
Planting in preferred embodiment, the size of gap L is configured to 2-3mm.
A kind of railway lateral wheel force caliberating device that Figure 10 B provides for the embodiment of the present application to hold out against state partially schematic
Figure.When caliberating device is walked tested point position, need caliberating device to be maintained at a stable state, otherwise, follow-up
Carry out lateral wheel force timing signal, be easily caused demarcation frame body 1 and tilt, and then the accuracy that impact is demarcated.Real in the application
Execute in example, after caliberating device walks tested point position, control cam 5021 and rotate, make driving wheel 507 towards near rail 10
Direction move, until the medial surface of the interior lateral surface taking turns 5071 and rail head 1001 fits tightly, i.e. gap L is 0, makes demarcation frame
Main body 1 is in a steady statue.
Figure 10 C is partially schematic for the demarcation state of a kind of railway lateral wheel force caliberating device that the embodiment of the present application provides
Figure.When caliberating device starts timing signal, in order to avoid affecting mark because of the interaction relationship between driving wheel 507 and rail 10
Determine the accuracy of result, the second gear 5032 can be driven to rotate by the first gear 5022, drive driving wheel 507 to be rocked to steel
The top of rail 10.In this state, the block 4 only having demarcation frame body 1 both sides contacts with rail 10, not by other parts
Interference, calibration result is more accurate.About the control process of cam and rack unit 502, carry out in subsequent processes embodiment in detail
Describe in detail bright.
From above-mentioned to Figure 10 A with the analysis of Figure 10 B, when caliberating device is in walking states and holds out against state, convex
Wheel 5021 and slide block 5031 should be at a stable state, but the contact between cam 5021 and slide block 5031 is line to be connect
Touch, use this way of contact to be generally difficult to keep stable, and then be likely to result in the position between driving wheel 507 and rail 10
Relation is unstable.
The axis projection schematic diagram of the another kind of slide block gear assembly that Figure 11 provides for the embodiment of the present application, such as Figure 11 institute
Showing, the cam 5021 that the embodiment of the present application provides is additionally provided with locating surface on its curved surface, and this locating surface is plane, passes through locating surface
Contact with the face of slide block 5031 and can improve caliberating device at walking states or when holding out against state between driving wheel 507 and rail 10
Stability, wherein, described locating surface includes the first locating surface 5024 and the second locating surface 5025, described first locating surface 5024
Position on cam 5021 is configured as the first locating surface 5024 when contacting with slide block 5031, driving wheel 507 and rail 10
It is in the state of holding out against, it is preferable that the axis of described cam and rack unit 5 being projected as on described first locating surface 5024 is described
The axis of symmetry of the first locating surface 5024, and described first locating surface 5024 is cam tooth wheels described in distance on described cam 5021
The plane that the axis of part 5 is farthest；Described second locating surface 5025 position on cam 5021 is configured as the second locating surface
5025 when contacting with slide block 5031, and driving wheel 507 and rail 10 exist gap L, it is preferable that the number of described second locating surface 5025
Amount is two, and two the most described first locating surfaces 5024 of described second locating surface 5025 are symmetrical arranged.
Due in an advantageous embodiment, when caliberating device is in walking states, between driving wheel 507 and rail 10
Gap L be 2-3mm, correspondingly, between central point and the axis of described cam 5021 of described first locating surface 5024 away from
From for S1, the distance between central point and the axis of described cam 5021 of described second locating surface 5025 is S2, wherein, 2mm
＜ S1-S2 ＜ 3mm.
In the application one preferred embodiment, it is additionally provided with level gauge 8 demarcating on frame body 1, permissible by level gauge 8
The levelness demarcating frame body 1 is checked, it is simple to when demarcating frame body 1 and being in heeling condition, in time to demarcating frame master
The pose of body 1 is adjusted, it is ensured that demarcate accuracy.
In the application one preferred embodiment, demarcating frame body 1 and use aerolite, light weight, rigidity is big, intensity
Greatly.
In order to realize the control to above-mentioned caliberating device, in the application one alternative embodiment, this device also includes one
Controller, described controller and driving wheel 507, drives motor 501, hydraulic pump 2 and laser range finder 6 to electrically connect, for
Above-mentioned parts send control instruction, and receive the range data that laser range finder 6 gathers, and demarcate the speed of service of frame body 1, fortune
Pressure data between row time, and block 4 and rail 10.It is pointed out that the controller in the embodiment of the present application can
To be wholely set with demarcation frame body 1, it is also possible to frame body 1 is separately positioned with demarcating, when controller separates with demarcating frame body 1
When arranging, controller is connected with demarcation frame body 1 by wireless.
It addition, when the caliberating device that the embodiment of the present application provides walks tested point position in order to stop in time
Only, being additionally provided with, on frame body 1, the brake unit matched with driving wheel 507 demarcating, described brake unit can be driving wheel
507 provide certain normal pressure, produce force of sliding friction, and then make railway lateral wheel between brake unit and driving wheel 507
Rail power caliberating device slows down until stopping.It is additionally provided with power supply 9 on described demarcation frame body 1 to power for described caliberating device.
It is more fully understood that the technical program for the ease of those skilled in the art, demarcates below in conjunction with railway lateral wheel force
The specifically used process of device illustrates.It mainly comprises the steps that
Step S110: be placed on rail 10 by described caliberating device, sends pre-walking to described driving motor 501 and refers to
Order, described driving motor 501 drives described cam and rack unit 502 to rotate so that described cam 5021 promotes described slide block
5031 slide towards the outside of described chute 504, and then drive described driving wheel 507 to move towards the direction of rail 10, make institute
The driving wheel 507 stating demarcation frame body 1 two ends is fastened on the rail 10 of described demarcation frame body 1 both sides respectively, and described interior
The lateral surface of wheel 5071 keeps the space of 2mm-3mm with the medial surface of described rail head 1001, and the outside of described chute 504 refers to institute
State the chute 504 side away from described cam 5021.
In the starting stage, hydraulic pump 2 does not pressurizes, and hydraulic pump 2 is in contraction state, now only has and demarcates frame body 1 both sides
4 driving wheels 507 be stuck in the state on the rail 10 of both sides, as shown in Figure 10 A.
Step S120: send driving instruction to described driving wheel 507, makes described driving wheel 507 drive described caliberating device
Bearing of trend along rail 10 travels, until arriving tested point.
The highway vehicles such as railway tunnel, bridge (such as automobile etc.) is difficult to the region arrived, can be by this device
It is arranged on the rail 10 outside tunnel or bridge, sends driving instruction by controller to driving wheel 507, make described driving wheel
507 drive described railway lateral wheel force caliberating device to travel along the bearing of trend of rail 10, until tested point.Wherein, ferrum is worked as
When road lateral wheel force caliberating device arrives near tested point, it is also possible to carry out accurately determining by demarcating the scale 7 on frame body 1
Position, or by level indicator, the levelness of railway lateral wheel force caliberating device is checked, in order to when it tilts, enter in time
Row sum-equal matrix.
Step S130: send fixed instruction to described driving motor 501, described driving motor 501 drives described cam tooth
Wheel assembly 502 rotates so that described cam 5021 promotes described slide block 5031 to slide towards the outside of described chute 504, and then
Drive described driving wheel 507 to move towards the direction of rail 10, make the described interior lateral surface taking turns 5071 and described rail head 1001
Medial surface fits tightly.
In above-mentioned steps S120, when caliberating device is walked, inside take turns lateral surface and the medial surface of rail head 1001 of 5071
Between there is certain gap, after caliberating device walks tested point position, in order to make caliberating device fix, it is simple to follow-up step
Demarcation in Zhou, to driving motor 501 to send fixed instruction, drives motor 501 to drive cam 5021 to rotate, makes driving wheel
507 move towards the direction near rail 10, until the medial surface of the interior lateral surface taking turns 5071 and rail head 1001 fits tightly, make mark
Determine frame body 1 and be in a steady statue, as shown in Figure 10 B.
In step s 130, the pose that the direction of rotation of described driving motor 501 is presently in by cam 5021 determines, its
Purpose is all to promote slide block 5031 to slide towards the outside of described chute 504.Such as, contacting when cam 5021 and slide block 5031
When part is the second locating surface 5025 on the left of Figure 11, so that described cam 5021 promotes described slide block 5031 towards described
Sliding in the outside of chute 504, drives motor 501 that cam 5021 should be driven to rotate clockwise；When cam 5021 and slide block 5031
Contact portion when being the second locating surface 5025 on the right side of Figure 11 so that described cam 5021 promotes described slide block 5031 court
Slide to the outside of described chute 504, drive motor 501 that cam 5021 should be driven to rotate counterclockwise.For convenience of description, exist
In the embodiment of the present application step S130, illustrate as a example by driving motor 501 counterclockwise.
Step S140: send precharge instruction to described hydraulic pump 2, make described hydraulic pump 2 drive described demarcation frame body 1
The block 4 of both sides holds out against the rail 10 of described demarcation frame body 1 both sides in advance.
Step S150: sending driving wheel 507 recovery command to described driving motor 501, described driving motor 501 is clockwise
Rotating, and then drive described cam and rack unit 502 to rotate clockwise, described slide block 5031 is under the effect of back-moving spring 505
To the inner slide of described chute 504, until described cam 5021 departs from described slide block 5031, described first gear 5022 and the
Two gears 5032 engage, and drive described second gear 5032 to rotate, and then drive described driving wheel 507 to be rocked to the upper of rail 10
Side.
Owing to, in step S140, block 4 holds out against the most in advance on rail 10, driving wheel therefore can be regained at this moment
507, state as illustrated in figure 10 c.
Step S160: send test pressurization instruction to described hydraulic pump 2, make to apply between described block 4 and rail 10 one
Fixed test pressure fi, the undulating value of the pressure between described block 4 and rail 10 is less than 5%, and the persistent period is more than t
Time, gather the pressure p between described block 4 and rail 10i, and distance h that laser range finder 6 detectsi, wherein, i=1.
The calibration process of a lateral wheel force may be tested repeatedly, gather and repeatedly test data, for the ease of
Illustrate, test pressure is designated as fi, the pressure between block 4 and rail 10 is designated as pi, laser range finder 6 is detected away from
From being designated as hi, wherein i is the number of times of test.Then as i=1, it represents primary test data.
Step S170: send fixed instruction to described driving motor 501, described driving motor 501 rotates counterclockwise, and then
Described cam and rack unit 502 is driven to rotate counterclockwise so that described first gear 5022 drives described second gear 5032 turns
Dynamic, drive described driving wheel 507 to be rocked to rail 10 and be in same level, described first gear 5022 and described second
Gear 5032 departs from, and described cam 5021 and described slide block 5031 offset so that described cam 5021 promotes described slide block 5031
Slide towards the outside of described chute 504, and then drive described driving wheel 507 to move towards the direction of rail 10, make described interior
The lateral surface of wheel 5071 fits tightly with the medial surface of described rail head 1001.
Owing to having tested rear hydraulic pump 2 will carry out release every time, the most just can carry out second time and test.Work as hydraulic pump
In order to ensure that caliberating device is still within steady statue after 2 releases, need to carry out auxiliary by driving wheel 507 fixing.
Step S180: send release instruction to described hydraulic pump 2, the top of described hydraulic pump 2 raises the head 202 and pump body 201 times
Receive so that described block 4 departs from the rail 10 of described demarcation frame body 1 both sides.
Step S190: send precharge instruction to described hydraulic pump 2, make described hydraulic pump 2 drive described demarcation frame body 1
The block 4 of both sides holds out against the rail 10 of described demarcation frame body 1 both sides in advance.
Step S200: sending driving wheel 507 recovery command to described driving motor 501, described driving motor 501 is clockwise
Rotating, and then drive described cam and rack unit 502 to rotate clockwise, described slide block 5031 is under the effect of back-moving spring 505
To the inner slide of described chute 504, until described cam 5021 departs from described slide block 5031, described second gear 5032 and the
One gear 5022 engages, and drives described first gear 5022 to rotate, and then drives described driving wheel 507 to be rocked to the upper of rail 10
Side.
Step S210: send test pressurization instruction to described hydraulic pump 2, make to apply between described block 4 and rail 10 one
Fixed test pressure Fi, the undulating value of the pressure between described block 4 and rail 10 is less than 5%, and the persistent period is more than t
Time, gather the pressure p between described block 4 and rail 10i, and distance h that laser range finder 6 detectsi, wherein, i is for sending out
Send the number of times of described test pressurization instruction, wherein, Fi＞ Fi-1。
Step S220: judge whether i is less than n, wherein n is the number of times of default test pressurization instruction, if judged result is
It is to return step S170；Otherwise, step S230 is entered.
Step S230: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain
Apply the array (f after test pressure for n timei, hi), according to the array (f after described n applying test pressurei, hi) simulate f and
The relation curve of h, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block 4 and rail 10.
Use technique scheme, make caliberating device can independently travel to tested point and the lateral wheel force of rail 10 is entered
Row automatic Calibration, simple to operate, easy to use.
In correlation technique, the experience usually relying on operator controls brake unit braking, makes caliberating device be parked in be measured
Point position, but, the manner is higher to the skill requirement of operator, and is generally not capable of being parked in tested point position exactly, when
After caliberating device stops, generally it being also performed to repeatedly adjust, cause complex operation.
For this phenomenon, the embodiment of the present application also provides for a kind of railway lateral wheel force calibration system, including above-mentioned reality
Execute caliberating device and generating laser 11 that example is provided.As shown in figure 12, the caliberating device that the embodiment of the present application is provided with
Above-described embodiment basic simlarity, its difference is, described caliberating device also includes being arranged on same along described fore-and-aft direction Y
The first laser pickoff the 1201, second laser pickoff 1202 and the 3rd laser pickoff 1203 on article straight line；Described first
The quantity of laser pickoff 1201 is one, is arranged on the centrage bottom described demarcation frame body 1, and described second laser connects
The quantity receiving device 1202 and described 3rd laser pickoff 1203 is respectively two, is arranged on described demarcation frame body 1 both sides
On first support arm 5061, wherein, two described second laser pickoffs 1202 and two described 3rd laser pickoffs 1203 points
The most described first laser pickoff 1201 is symmetrical arranged, and described second laser pickoff 1202 is positioned at described 3rd laser
The inner side of receptor 1203.
Described generating laser 11 is arranged on the position that the flange of rail 1003 matches, and described generating laser 11 with tested point
It is configured to the working line towards being perpendicular to described laser pickoff and launches laser beam.When caliberating device is by generating laser 11
Emitting area time, make laser pickoff can receive laser beam, and then perform corresponding action, below in conjunction with Figure 13 A-
The moderating process of caliberating device is described in detail by 13D, and described scaling method specifically includes following steps.
Step S310: be placed on rail 10 by described caliberating device, sends pre-walking to described driving motor 501 and refers to
Order, described driving motor 501 drives described cam and rack unit 502 to rotate so that described cam 5021 promotes described slide block
5031 slide towards the outside of described chute 504, and then drive described driving wheel 507 to move towards the direction of rail 10, make institute
The driving wheel 507 stating demarcation frame body 1 two ends is fastened on the rail 10 of described demarcation frame body 1 both sides respectively, and described interior
The lateral surface of wheel 5071 keeps the space of 2mm-3mm with the medial surface of described rail head 1001, and the outside of described chute 504 refers to institute
State the chute 504 side away from described cam 5021.
Step S320: send driving instruction to described driving wheel 507, makes described driving wheel 507 drive described caliberating device
Bearing of trend along rail 10 travels, as shown in FIG. 13A.
Step S330: when the 3rd laser pickoff 1203 receives the laser signal that generating laser 11 is launched, such as figure
Shown in 13B, gather current time t1The speed v current with described demarcation frame body 11, and send first to described brake unit
Brake instruction, makes described brake unit provide the first normal pressure G to described driving wheel 5071。
In the embodiment of the present application, the first normal pressure G is applied1Purpose be to go out the second normal pressure G for subsequent calculations2Carry
Data for reference, described first normal pressure G1Size indefinite, can be the estimated value rule of thumb obtained.
When the 3rd laser pickoff 1203 receives laser signal, illustrate caliberating device close to tested point, now
The first normal pressure G is provided to driving wheel 507 by brake unit1Driving wheel 507 is made to reduce speed now.
Step S340: when the second laser pickoff 1202 receives the laser signal that generating laser 11 is launched, such as figure
Shown in 13C, gather current time t2The speed v current with described demarcation frame body 12, according to formula: v1-v2=a1(t1-
t2), calculate described caliberating device by the acceleration a between the 3rd laser pickoff the 1203 to the second laser pickoff 12021；
According to formula ma1=μ G1, calculate the coefficientoffrictionμ between described brake unit and described driving wheel 507, wherein, m is described
The quality of caliberating device；According to formula 2a2S=v3 2-v2 2, calculate the second laser pickoff 1202 and the first laser pickoff
Acceleration a between 12012, wherein, v3=0, s are between the second laser pickoff 1202 and the first laser pickoff 1201
Distance；According to formula ma2=μ G2, calculate the second normal pressure G2, and send the second brake instruction to described brake unit, make institute
Brake unit of stating provides the second normal pressure G to described driving wheel 5072。
According to the second normal pressure G2The frictional force size provided so that when caliberating device arrives tested point position, speed is just
Reduce to 0, make caliberating device be parked in tested point position exactly.
Step S350: when described first laser pickoff 1201 receives the laser signal that generating laser 11 is launched,
As illustrated in figure 13d, send the 3rd brake instruction to described brake unit, make driving wheel 507 described in described brake unit locking.
When the first laser pickoff 1201 receives the laser signal that generating laser 11 is launched, illustrate that caliberating device is
Through arriving tested point position, now by brake unit locking driving wheel 507, railway lateral wheel force caliberating device is made to stop.
Step S360: send fixed instruction to described driving motor 501, described driving motor 501 drives described cam tooth
Wheel assembly 502 rotates so that described cam 5021 promotes described slide block 5031 to slide towards the outside of described chute 504, and then
Drive described driving wheel 507 to move towards the direction of rail 10, make the described interior lateral surface taking turns 5071 and described rail head 1001
Medial surface fits tightly.
Step S370: send precharge instruction to described hydraulic pump 2, make described hydraulic pump 2 drive described demarcation frame body 1
The block 4 of both sides holds out against the rail 10 of described demarcation frame body 1 both sides in advance.
Step S380: send driving wheel 507 recovery command to described driving motor 501, described driving motor 501 drives institute
State cam and rack unit 502 to rotate, described slide block 5031 under the effect of back-moving spring 505 to the interior sideslip of described chute 504
Dynamic, until described cam 5021 departs from described slide block 5031, described first gear 5022 and the second gear 5032 engage, and drive institute
State the second gear 5032 to rotate, and then drive described driving wheel 507 to be rocked to the top of rail 10.
Step S390: send test pressurization instruction to described hydraulic pump 2, make to apply between described block 4 and rail 10 one
Fixed test pressure fi, the undulating value of the pressure between described block 4 and rail 10 is less than 5%, and the persistent period is more than t
Time, gather the pressure p between described block 4 and rail 10i, and distance h that laser range finder 6 detectsi, wherein, i=1.
Step S400: send fixed instruction to described driving motor 501, described driving motor 501 drives described cam tooth
Wheel assembly 502 rotates so that described first gear 5022 drives described second gear 5032 to rotate, and drives described driving wheel 507
Being rocked to be in same level with rail 10, described first gear 5022 and described second gear 5032 depart from, described convex
Wheel 5021 and described slide block 5031 offset so that described cam 5021 promotes described slide block 5031 towards outside described chute 504
Slideslip, and then drive described driving wheel 507 to move towards the direction of rail 10, makes the described interior lateral surface of 5071 of taking turns with described
The medial surface of rail head 1001 fits tightly.
Step S410: send release instruction to described hydraulic pump 2, the top of described hydraulic pump 2 raises the head 202 and pump body 201 times
Receive so that described block 4 departs from the rail 10 of described demarcation frame body 1 both sides.
Step S420: send precharge instruction to described hydraulic pump 2, make described hydraulic pump 2 drive described demarcation frame body 1
The block 4 of both sides holds out against the rail 10 of described demarcation frame body 1 both sides in advance.
Step S430: send driving wheel 507 recovery command to described driving motor 501, described driving motor 501 drives institute
State cam and rack unit 502 to rotate, described slide block 5031 under the effect of back-moving spring 505 to the interior sideslip of described chute 504
Dynamic, until described cam 5021 departs from described slide block 5031, described first gear 5022 and the second gear 5032 engage, and drive institute
State the second gear 5032 to rotate, and then drive described driving wheel 507 to be rocked to the top of rail 10.
Step S440: send test pressurization instruction to described hydraulic pump 2, make to apply between described block 4 and rail 10 one
Fixed test pressure Fi, the undulating value of the pressure between described block 4 and rail 10 is less than 5%, and the persistent period is more than t
Time, gather the pressure p between described block 4 and rail 10i, and distance h that laser range finder 6 detectsi, wherein, i is for sending out
Send the number of times of described test pressurization instruction, wherein, Fi＞ Fi-1。
Step S450: judge whether i is less than n, wherein n is the number of times of default test pressurization instruction, if judged result is
It is to return step S400；Otherwise, step S460 is entered.
Step S460: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain
Apply the array (f after test pressure for n timei, hi), according to the array (f after described n applying test pressurei, hi) simulate fiWith
hiRelation curve, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block 4 and rail 10.
Use the method that the embodiment of the present application is provided, caliberating device uses the mode of braking by grades make it stop exactly
Only in tested point position.Particularly as follows: by the relevant ginseng between the 3rd laser pickoff 1203 and the second laser pickoff 1202
Number calculates coefficient of friction during braking, and coefficient of friction is by many factors (such as rail 10 surface roughness, lubricating status etc.)
Impact, is accurately calculated coefficient of friction according to on-the-spot related data in the embodiment of the present application.Rub when calculating
After wiping coefficient, according to the relevant parameter between the second laser pickoff 1202 and the first laser pickoff 1201 (such as speed, laser
Distance etc. between receptor) brake unit of calculating needs to apply great frictional force, thus show that required normal pressure makes
Obtain speed when railway lateral wheel force caliberating device arrives tested point position and just reduce to 0.
Use traditional mode of braking, if brake force is too small, caliberating device may be made to go back when arriving tested point position
Having the bigger speed of service, even if now taking locking measure, then the inertia of caliberating device dependence self still can forward slip
Certain distance；If brake force is excessive, caliberating device may be made to have stopped before arriving tested point position.Therefore,
The mode of braking using the embodiment of the present application to be provided may insure that caliberating device is parked in the degree of accuracy of tested point position.
It should be noted that in this article, such as the relational terms of " first " and " second " or the like is used merely to one
Individual entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operate it
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant are intended to
Contain comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those
Key element, but also include other key elements being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Other identical element is there is also in including the process of described key element, method, article or equipment.
The above is only the detailed description of the invention of the application, makes to skilled artisans appreciate that or realize this Shen
Please.Multiple amendment to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can realize in the case of without departing from spirit herein or scope in other embodiments.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a railway lateral wheel force caliberating device, it is characterised in that including: demarcate frame body (1), described demarcation frame body
(1) having orthogonal fore-and-aft direction (Y) and left and right directions (X), described demarcation frame body (1) is along described left and right directions
(X) housing extended；
The inside of described demarcation frame body (1) is provided with a hydraulic pump (2), and described hydraulic pump (2) includes raising the head in pump body (201) and top
(202), the two ends of described hydraulic pump (2) are respectively fixedly connected with a connecting rod (3), and the other end of described connecting rod (3) stretches out described mark
Determining frame body (1), connect a block (4), the opening shape of described block (4) matches with rail head (1001), described connecting rod (3)
It is positioned on the same straight line parallel with described left and right directions (X) with the axis of described hydraulic pump (2)；
The both sides of the end of described demarcation frame body (1) respectively set a drive wheel assemblies (5), and described drive wheel assemblies (5) includes driving
Galvanic electricity machine (501), the output shaft of described driving motor (501) is parallel with described fore-and-aft direction (Y), described driving motor (501)
Output shaft be provided with a cam and rack unit (502), described cam and rack unit (502) includes cam (5021) and the first tooth
Wheel (5022), basic circle (5023) diameter of described cam (5021) is equal with the root diameter of described first gear (5022),
Described cam (5021) and described first gear (5022) coaxial setting, the outer rim of described cam (5021) and described first gear
(5022) root circle projection one closed curve of composition in the axial direction thereof, and the outer rim of described cam (5021) and institute
The root circle stating the first gear (5022) seamlessly transits in the junction of described closed curve；
Described drive wheel assemblies (5) also includes the slide block gear assembly cooperated with described cam and rack unit (502)
(503), described slide block gear assembly (503) includes slide block (5031) and the second gear (5032), in described demarcation frame body (1)
Be provided with the chute (504) extended along described left and right directions (X), described slide block (5031) be embedded internal at described chute (504) and
Described chute (504) is slidably connected, and described second gear (5032) is arranged on the outside of described slide block (5031) and described slide block
(5031) being rotationally connected, the rotating shaft of described second gear (5032) is vertical with the plane at described slide block (5031) place, described cunning
Block (5031) matches with described cam (5021), and described first gear (5022) and described second gear (5032) match,
Described slide block (5031) is multiple towards being additionally provided with between side and the described demarcation frame body (1) of described demarcation frame body (1) end
Position spring (505)；
When described driving motor (501) drives described cam and rack unit (502) to rotate, described cam (5021) and described cunning
Block (5031) is tangent, drives described slide block (5031) to slide along described chute (504)；Or, described first gear (5022) with
Described second gear (5032) is engaged, and drives described second gear (5032) to rotate；
Described drive wheel assemblies (5) also includes that a L-shaped support arm (506), described L-shaped support arm (506) include orthogonal first
Support arm (5061) and the second support arm (5062), described first support arm (5061) is nested in the axis hole of described second gear (5032)
Interior fixing with described second gear (5032) is connected, and the end of described second support arm (5062) is provided with driving wheel (507), described
Driving wheel (507) is rotationally connected with described second support arm (5062), is used for driving described demarcation frame body (1) in rail (10)
Walking, described driving wheel (507) includes the foreign steamer (5072) being coaxially disposed and interior takes turns (5071), the diameter of described foreign steamer (5072)
Less than the described interior diameter taking turns (5071), the wheel face of described foreign steamer (5072) is used for being erected at the upper surface of rail head (1001), institute
State the interior lateral surface taking turns (5071) and be used for being stuck in the medial surface of rail head (1001)；
The end of described demarcation frame body (1) respectively sets two laser range finders (6), said two laser range finder (6) institute relatively
Stating block (4) to be symmetrical arranged, described laser range finder (6) is configured to launch laser beam along described left and right directions (X)；
It is additionally provided with, on described demarcation frame body (1), the brake unit matched with described driving wheel (507)；
The center of the upper surface of described demarcation frame body (1) is additionally provided with level gauge (8).
Caliberating device the most according to claim 1, it is characterised in that the reference circle (5033) of described second gear (5032)
Tangent near the side of described cam (5021) with described slide block (5031).
Caliberating device the most according to claim 1, it is characterised in that be additionally provided with location on the curved surface of described cam (5021)
Face, described locating surface is the plane being located on the curved surface of described cam (5021).
Caliberating device the most according to claim 3, it is characterised in that described locating surface include the first locating surface (5024) and
Second locating surface (5025), the axis of described cam and rack unit (502) being projected as on described first locating surface (5024)
The axis of symmetry of described first locating surface (5024), the quantity of described second locating surface (5025) is two, and two described second fixed
The most described first locating surface of plane (5025) (5024) is symmetrical arranged.
Caliberating device the most according to claim 4, it is characterised in that the central point of described first locating surface (5024) and institute
Stating the distance between the axis of cam (5021) is S1, the central point of described second locating surface (5025) and described cam (5021)
Axis between distance be S2, wherein, 2mm ＜ S1-S2 ＜ 3mm.
Caliberating device the most according to claim 1, it is characterised in that described first support arm (5061) and described second gear
(5032) connect by taper key (508) is fixing.
Caliberating device the most according to claim 1, it is characterised in that the two ends of the upper surface of described demarcation frame body (1)
Being respectively equipped with a scale (7), the center scale of described scale (7) is oppositely arranged with the centrage of described connecting rod (3).
8. a railway lateral wheel force calibration system, it is characterised in that include the demarcation dress described in any one of claim 1-7
Putting and generating laser (11), described caliberating device also includes be arranged on same straight line along described fore-and-aft direction (Y)
One laser pickoff (1201), the second laser pickoff (1202) and the 3rd laser pickoff (1203)；
The quantity of described first laser pickoff (1201) is one, is arranged on the centrage of described demarcation frame body (1) bottom
On, the quantity of described second laser pickoff (1202) and described 3rd laser pickoff (1203) is respectively two, is arranged on
On first support arm (5061) of described demarcation frame body (1) both sides, wherein, two described second laser pickoffs (1202) and two
Individual described 3rd laser pickoff (1203) the most described first laser pickoff (1201) respectively is symmetrical arranged, and described second
Laser pickoff (1202) is positioned at the inner side of described 3rd laser pickoff (1203)；
Described generating laser (11) is arranged on the position that the flange of rail (1003) matches, and described generating laser with tested point
(11) it is configured to the working line towards being perpendicular to described laser pickoff and launches laser beam.
9. a railway lateral wheel force scaling method, it is characterised in that use the demarcation dress described in any one of claim 1-7
Putting, described method includes:
Step S110: be placed on by described caliberating device on rail (10), sends pre-walking to described driving motor (501) and refers to
Order, described driving motor (501) drives described cam and rack unit (502) to rotate so that described cam (5021) promotes described
Slide block (5031) slides towards the outside of described chute (504), and then drives the described driving wheel (507) side towards rail (10)
To movement, the driving wheel (507) at described demarcation frame body (1) two ends is made to be fastened on described demarcation frame body (1) both sides respectively
On rail (10), and the medial surface of the described interior lateral surface and described rail head (1001) taking turns (5071) keeps the space of 2mm-3mm,
The outside of described chute (504) refers to the described chute (504) side away from described cam (5021)；
Step S120: send driving instruction to described driving wheel (507), make described driving wheel (507) drive described caliberating device
Bearing of trend along rail (10) travels, until arriving tested point；
Step S130: sending fixed instruction to described driving motor (501), described driving motor (501) drives described cam tooth
Wheel assembly (502) rotates so that described cam (5021) promotes the described slide block (5031) outside slip towards described chute (504)
Dynamic, and then drive described driving wheel (507) to move towards the direction of rail (10), make the described interior lateral surface taking turns (5071) and institute
The medial surface stating rail head (1001) fits tightly；
Step S140: send precharge instruction to described hydraulic pump (2), make described hydraulic pump (2) drive described demarcation frame body
(1) block (4) of both sides holds out against the rail (10) of described demarcation frame body (1) both sides in advance；
Step S150: send driving wheel (507) recovery command to described driving motor (501), described driving motor (501) drives
Described cam and rack unit (502) rotate, described slide block (5031) under the effect of back-moving spring (505) to described chute
(504) inner slide, until described cam (5021) departs from described slide block (5031), described first gear (5022) and second
Gear (5032) engages, and drives described second gear (5032) to rotate, and then drives described driving wheel (507) to be rocked to rail
(10) top；
Step S160: send test pressurization instruction to described hydraulic pump (2), makes to apply between described block (4) and rail (10)
Certain test pressure Fi, the undulating value of the pressure between described block (4) and rail (10) is less than 5%, and persistent period
During more than t, gather the pressure p between described block (4) and rail (10)i, and distance h that laser range finder (6) detectsi,
Wherein, i=1；
Step S170: sending fixed instruction to described driving motor (501), described driving motor (501) drives described cam tooth
Wheel assembly (502) rotates so that described first gear (5022) drives described second gear (5032) to rotate, and drives described driving
Wheel (507) is rocked to be in same level with rail (10), described first gear (5022) and described second gear
(5032) departing from, described cam (5021) and described slide block (5031) offset so that described cam (5021) promotes described slide block
(5031) slide in the outside towards described chute (504), and then drives described driving wheel (507) to move towards the direction of rail (10)
Dynamic, make the medial surface of the described interior lateral surface and described rail head (1001) taking turns (5071) fit tightly；
Step S180: sending release instruction to described hydraulic pump (2), raises the head (202) and pump body in the top of described hydraulic pump (2)
(201) reclaim so that described block (4) departs from the rail (10) of described demarcation frame body (1) both sides；
Step S190: send precharge instruction to described hydraulic pump (2), make described hydraulic pump (2) drive described demarcation frame body
(1) block (4) of both sides holds out against the rail (10) of described demarcation frame body (1) both sides in advance；
Step S200: send driving wheel (507) recovery command to described driving motor (501), described driving motor (501) drives
Described cam and rack unit (502) rotate, described slide block (5031) under the effect of back-moving spring (505) to described chute
(504) inner slide, until described cam (5021) departs from described slide block (5031), described second gear (5032) and first
Gear (5022) engages, and drives described first gear (5022) to rotate, and then drives described driving wheel (507) to be rocked to rail
(10) top；
Step S210: send test pressurization instruction to described hydraulic pump (2), makes to apply between described block (4) and rail (10)
Certain test pressure Fi, the undulating value of the pressure between described block (4) and rail (10) is less than 5%, and persistent period
During more than t, gather the pressure p between described block (4) and rail (10)i, and distance h that laser range finder (6) detectsi,
Wherein, i is the number of times sending described test pressurization instruction, wherein, Fi＞ Fi-1；
Step S220: judge that i, whether less than n, the number of times that the test pressurization that wherein n is default instructs, if the determination result is YES, returns
Return step S170；Otherwise, step S230 is entered；
Step S230: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain n time
Apply the array (f after test pressurei, hi), according to the array (f after n applying test pressurei, hi) simulate the relation of f and h
Curve, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block (4) and rail (10).
10. a railway lateral wheel force scaling method, it is characterised in that use the system described in claim 8, described method
Including:
Step S310: be placed on by described caliberating device on rail (10), sends pre-walking to described driving motor (501) and refers to
Order, described driving motor (501) drives described cam and rack unit (502) to rotate so that described cam (5021) promotes described
Slide block (5031) slides towards the outside of described chute (504), and then drives the described driving wheel (507) side towards rail (10)
To movement, the driving wheel (507) at described demarcation frame body (1) two ends is made to be fastened on described demarcation frame body (1) both sides respectively
On rail (10), and the medial surface of the described interior lateral surface and described rail head (1001) taking turns (5071) keeps the space of 2mm-3mm,
The outside of described chute (504) refers to the described chute (504) side away from described cam (5021)；
Step S320: send driving instruction to described driving wheel (507), make described driving wheel (507) drive described caliberating device
Bearing of trend along rail (10) travels；
Step S330: when the 3rd laser pickoff (1203) receives the laser signal that generating laser (11) is launched, gathers
Current time t1The speed v current with described demarcation frame body (1)1, and send first brake instruction to described brake unit,
Described brake unit is made to provide the first normal pressure G to described driving wheel (507)1；
Step S340: when the second laser pickoff (1202) receives the laser signal that generating laser (11) is launched, gathers
Current time t2The speed v current with described demarcation frame body (1)2, according to formula: v1-v2=a1(t1-t2), calculate institute
State caliberating device by the acceleration a the 3rd laser pickoff (1203) to the second laser pickoff (1202)1；According to formula
ma1=μ G1, calculate the coefficientoffrictionμ between described brake unit and described driving wheel (507), wherein, m is that described demarcation fills
The quality put；According to formula 2a2S=v3 2-v2 2, calculate the second laser pickoff (1202) and the first laser pickoff (1201)
Between acceleration a2, wherein, v3=0, s are between the second laser pickoff (1202) and the first laser pickoff (1201)
Distance；According to formula ma2=μ G2, calculate the second normal pressure G2, and send the second brake instruction to described brake unit, make institute
Brake unit of stating provides the second normal pressure G to described driving wheel (507)2；
Step S350: when described first laser pickoff (1201) receives the laser signal that generating laser (11) is launched,
Send the 3rd brake instruction to described brake unit, make driving wheel (507) described in described brake unit locking；
Step S360: sending fixed instruction to described driving motor (501), described driving motor (501) drives described cam tooth
Wheel assembly (502) rotates so that described cam (5021) promotes the described slide block (5031) outside slip towards described chute (504)
Dynamic, and then drive described driving wheel (507) to move towards the direction of rail (10), make the described interior lateral surface taking turns (5071) and institute
The medial surface stating rail head (1001) fits tightly；
Step S370: send precharge instruction to described hydraulic pump (2), make described hydraulic pump (2) drive described demarcation frame body
(1) block (4) of both sides holds out against the rail (10) of described demarcation frame body (1) both sides in advance；
Step S380: send driving wheel (507) recovery command to described driving motor (501), described driving motor (501) drives
Described cam and rack unit (502) rotate, described slide block (5031) under the effect of back-moving spring (505) to described chute
(504) inner slide, until described cam (5021) departs from described slide block (5031), described first gear (5022) and second
Gear (5032) engages, and drives described second gear (5032) to rotate, and then drives described driving wheel (507) to be rocked to rail
(10) top；
Step S390: send test pressurization instruction to described hydraulic pump (2), makes to apply between described block (4) and rail (10)
Certain test pressure fi, the undulating value of the pressure between described block (4) and rail (10) is less than 5%, and persistent period
During more than t, gather the pressure p between described block (4) and rail (10)i, and distance h that laser range finder (6) detectsi,
Wherein, i=1；
Step S400: sending fixed instruction to described driving motor (501), described driving motor (501) drives described cam tooth
Wheel assembly (502) rotates so that described first gear (5022) drives described second gear (5032) to rotate, and drives described driving
Wheel (507) is rocked to be in same level with rail (10), described first gear (5022) and described second gear
(5032) departing from, described cam (5021) and described slide block (5031) offset so that described cam (5021) promotes described slide block
(5031) slide in the outside towards described chute (504), and then drives described driving wheel (507) to move towards the direction of rail (10)
Dynamic, make the medial surface of the described interior lateral surface and described rail head (1001) taking turns (5071) fit tightly；
Step S410: sending release instruction to described hydraulic pump (2), raises the head (202) and pump body in the top of described hydraulic pump (2)
(201) reclaim so that described block (4) departs from the rail (10) of described demarcation frame body (1) both sides；
Step S420: send precharge instruction to described hydraulic pump (2), make described hydraulic pump (2) drive described demarcation frame body
(1) block (4) of both sides holds out against the rail (10) of described demarcation frame body (1) both sides in advance；
Step S430: send driving wheel (507) recovery command to described driving motor (501), described driving motor (501) drives
Described cam and rack unit (502) rotate, described slide block (5031) under the effect of back-moving spring (505) to described chute
(504) inner slide, until described cam (5021) departs from described slide block (5031), described first gear (5022) and second
Gear (5032) engages, and drives described second gear (5032) to rotate, and then drives described driving wheel (507) to be rocked to rail
(10) top；
Step S440: send test pressurization instruction to described hydraulic pump (2), makes to apply between described block (4) and rail (10)
Certain test pressure Fi, the undulating value of the pressure between described block (4) and rail (10) is less than 5%, and persistent period
During more than t, gather the pressure p between described block (4) and rail (10)i, and distance h that laser range finder (6) detectsi,
Wherein, i is the number of times sending described test pressurization instruction, wherein, Fi＞ Fi-1；
Step S450: judge that i, whether less than n, the number of times that the test pressurization that wherein n is default instructs, if the determination result is YES, returns
Return step S400；Otherwise, step S460 is entered；
Step S460: according to formula fi=piS, calculates cross force f after every time applying test pressurei, and then obtain n time
Apply the array (f after test pressurei, hi), according to the array (f after described n applying test pressurei, hi) simulate f's and h
Relation curve, it is achieved the demarcation of lateral wheel force, wherein s is the contact area of described block (4) and rail (10).
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| CN201610791926.6A CN106225978B (en) | 2016-08-31 | 2016-08-31 | Railway transverse wheel rail force calibration device, system and calibration method thereof |
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| CN201610791926.6A CN106225978B (en) | 2016-08-31 | 2016-08-31 | Railway transverse wheel rail force calibration device, system and calibration method thereof |
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| CN109668682A (en) * | 2018-04-30 | 2019-04-23 | 交通运输部公路科学研究所 | A kind of side-friction calibrating installation and calibration method |
| CN113191051A (en) * | 2021-04-30 | 2021-07-30 | 西南交通大学 | Establishment method and application of nonlinear Hertz spring |
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| RU2591739C1 (en) * | 2015-04-29 | 2016-07-20 | Акционерное общество "Научно-исследовательский институт железнодорожного транспорта" (АО "ВНИИЖТ") | Device for measuring vertical and lateral forces of interaction between wheel and rail |
| CN206038205U (en) * | 2016-08-31 | 2017-03-22 | 青岛大学 | Horizontal wheel -rail force calibration device of railway and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109668682A (en) * | 2018-04-30 | 2019-04-23 | 交通运输部公路科学研究所 | A kind of side-friction calibrating installation and calibration method |
| CN109374198A (en) * | 2018-08-23 | 2019-02-22 | 苏州集成校准检测认证有限公司 | Wheel track dynamic force ground test calibration system and method |
| CN113191051A (en) * | 2021-04-30 | 2021-07-30 | 西南交通大学 | Establishment method and application of nonlinear Hertz spring |
| CN113191051B (en) * | 2021-04-30 | 2022-07-05 | 西南交通大学 | Establishment method and application of nonlinear Hertz spring |
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