CN209568326U - A kind of positioning formula rail creeping detector - Google Patents
A kind of positioning formula rail creeping detector Download PDFInfo
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- CN209568326U CN209568326U CN201821997708.9U CN201821997708U CN209568326U CN 209568326 U CN209568326 U CN 209568326U CN 201821997708 U CN201821997708 U CN 201821997708U CN 209568326 U CN209568326 U CN 209568326U
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Abstract
The utility model discloses a kind of positioning formula rail creeping detectors, including scope, rod assembly, locating cover, fixing seat and locating piece；The scope is fixed on the top of rod assembly by fixing seat, and the bottom of the rod assembly is fixedly connected with locating cover, and is fixed on the positioning block by locating cover；The locating piece is fixed on the unique positions of rail side, and the scope has unique observation direction after locating cover and locating piece fixing assembling.The utility model can replace traditional string observation and micrometer instrument mensuration, improve observation method, have the advantages that structure is simple, cost is relatively low, operation is easy to carry, measurement accuracy is high, it is able to satisfy the use demand of current rail route rail creeping measurement completely, it is suitable for the use of track maintenance section work team, it is that the current observation long rail of gapless track is creeped the more satisfactory observation tool of displacement, wide popularization and application can be carried out in railway department.
Description
Technical field
The invention belongs to rail detection techniques, and in particular to a kind of positioning formula rail creeping detector.
Background technique
With the fast development of China railways communication, not only increase in high-speed railway route mileage, train speed raising
Background under, gapless rail with the increase of the service life, the deformation such as some section rails can bend, sink, to lead
Causing the parameters such as rail straightness is more than the parameter error that design is allowed, and can generate security risk to train operation.In order to prevent because
Aging circuit, rail deform bring safety problem, and the displacement then the longitudinal direction of periodic observation analysis rail is creeped, is to do route well
Especially one of the main contents of gapless track technical management.
Following method is mainly used for the gapless rail amount of creeping displacement measurement means at present:
1, chord_line method: in the embedded permanent observation stake in gapless track roadbed two sides, one fixed point of label in observation stake, In
Same one datum mark of label on rail draws a horizontal line to measure the displacement of rail between two datum marks.It is such
Although the displacement of creeping of method measurement seamless track steel rail is simple, great security risk is caused to measurement worker, and
Need three or four people's cooperations.Specific implementation is the runing time gap for determining train, across route the two of up and down line
The observation pile foundation of side by first and second liang of people draws a horizontal linears on schedule, by the third party between horizontal line and rail head survey measurements
Record.Especially in the case where route turning visual angle is bad, to guarantee safety, it is also necessary to which a people keeps watch.Due to being bracing wire
Measurement, the precision of measurement is also very poor, generally can only achieve within the scope of ± 5mm, and cost of labor is very high.
2, transit survey method: since the existing fixed observer stake of current railway is not suitable for micrometer instrument observation at all,
It also needs separately to set permanent observation point and needs a large amount of manpower financial capacity.In addition more main, longitude and latitude detector is expensive, mechanism
Complexity, user needs certain professional knowledge, inconvenient to use, therefore for each track division worker who maintains a road, using difficulty compared with
Greatly, and each teams and groups are equipped with a theodolite, and purchase direct cost is also unrealistic.
Although high as the measurement of other two-frequency laser interferometers and laser alignment measurement method precision, cost can compare longitude and latitude
Instrument is higher, bigger using difficulty, therefore is unsuitable for being widely popularized universal.
Summary of the invention
Technical problem solved by the present invention is for poor accuracy existing for existing rail creeping displacement measurement mode, at
This high defect provides a kind of novel positioning formula rail creeping detector.
The present invention adopts the following technical scheme that realization:
Positioning formula rail creeping detector, including scope 1, rod assembly 2, locating cover 3, fixing seat 4 and positioning
Block 5；
The scope 1 is fixed on the top of rod assembly 2 by fixing seat 4, the bottom of the rod assembly 2 with
Locating cover 3 is fixedly connected, and is fixed on locating piece 5 by locating cover 3；
The locating piece 5 is fixed on the unique positions of rail side, and the scope 1 is in locating cover 3 and locating piece 5
After fixing assembling, there is unique observation direction.
Further, it is articulated and connected between the scope 1 and fixing seat 4, and is provided in hinged place for adjusting
Whole scope 1 adjusts component in pitch angle of the observation in.
Further, the pitch angle adjusting component includes the first adjustment gear 41 and the second adjustment gear 42, described
First adjustment gear 41 is fixed on scope 1, and second adjustment gear 42 is fixedly set in fixing seat 4 and sees
The articulated shaft of telescope 1 is surveyed, and is engaged with the first adjustment gear 41.
Further, second adjustment gear 42 is fixedly connected with inclination angle handwheel 43 is adjusted.
Further, the rod assembly 2 includes loop bar 21, upright bar 22 and locking nut 23,21 sliding sleeve of loop bar
In upright bar 22, and circumferential limit assembly between each other, the both ends of the loop bar 21 and upright bar 22 respectively with locating cover 3 and
Fixing seat 4 is fixedly connected, and the loop bar 21 is equipped with the locking nut 23 for holding and unclamping upright bar 22 tightly.
Further, the locating piece 5 is the square block with ridge structure, and the locating cover 3 has corresponding locating piece
The inner cavity of contour structures, the locating cover 3 and locating piece 5 are equipped with the corresponding pin hole in position, pass through locating cover 3 by pin
Fixing assembling is realized with the pin hole on locating piece 5.
In positioning formula rail creeping detector of the invention, the observation of the scope 1 is towards perpendicular to rail.
Further, the eyepiece of the scope 1 is equipped with cross-graduation plate.
The invention also discloses the detection methods of above-mentioned positioning formula rail creeping detector, including following two steps:
1, it calibrates for the first time, the locating cover 3 that will test instrument is fixed on locating piece 5, in the observation direction of scope
Rail on be placed with scale 101 along longitudinal direction, by the position of 1 regulation scale of scope until reference scale on scale with
Cross-graduation plate center line on scope 1 is overlapped, and initial markers are done in the position that scale is corresponded on rail referring to scale；
2, the amount of creeping of rail is detected, the locating cover 3 that will test instrument is once again secured on locating piece 5, scale 101 is placed with
On rail, and being aligned with the initial markers on rail referring to scale by scale, then pass through the observation mark of scope 1
Ruler instant scale on cross-graduation plate center alignment scale on scope 1 and referring to the difference between scale is
The amount of creeping of rail.
Further, the scale uses magnetic scale, using 0 scale of scale centre as referring to scale.
The invention has the following beneficial effects:
1, it is easy to operate.Scope need to be only placed on the locating piece of fixed position, be seated positioning pin i.e. Observable；Scale
For magnetic scale, it is placed in simple and convenient on the web of the rail of rail.Using being over, scale can be taken away, without being labelled to for a long time in the web of the rail
On
2, accuracy is high.When traditional chord_line method measurement accuracy is by foundation pile height, string thick line tensioning state and measurement
The influence of wind-force, and the novel steel rail extension position observation instrument that we specifically research and develop uses the cross-graduation plate of telescope, by
External action is smaller, therefore improves accuracy of observation；Due to the optical principle using telescope, and installed in telescope ocular
One block of cross-graduation plate, using observation and convenient reading, clearly, the error of graduation of measurement ruler only has ± 0.5mm, improves measurement
Precision；Certain precision is reached using matched positioning sleeve and locating piece machining, accurate positioning is effectively guaranteed entire
The measurement accuracy of instrument
3, there is good economic results in society and high safety.It is embedded simple to be mainly reflected in locating piece, can also be used
Existing observation stake transformation, the setup cost of fixed block it is less compared with chord_line method more than half, operator is reduced, and only needs a people
Measurement, is not required to upper track, can ensure that worker safety.
In conclusion positioning formula rail creeping detector of the invention can replace traditional string observation and optics warp
Latitude instrument mensuration, improves observation method, with that structure is simple, cost is relatively low, operation is easy to carry, measurement accuracy is high is excellent
Point is able to satisfy the use demand of current rail route rail creeping measurement completely, is suitable for the use of track maintenance section work team, is mesh
The preceding observation long rail of gapless track is creeped the more satisfactory observation tool of displacement, can be widely popularized in railway department
Using.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the positioning formula rail creeping detector in embodiment.
Fig. 2 is the positioning block structure schematic diagram in embodiment.
Fig. 3 is the embedded fixed schematic diagram of one kind of the locating piece in embodiment.
Fig. 4 is the embedded fixed schematic diagram of the another kind of the locating piece in embodiment.
Fig. 5 is the detection schematic diagram of the positioning formula rail creeping detector in embodiment.
Figure label: 1- scope, 11- eyepiece, 12- focusing handwheel, 2- rod assembly, 21- loop bar, 22- upright bar,
23- locking nut, 3- locating cover, the first pin hole of 31-, 4- fixing seat, the first adjustment gear of 41-, the second adjustment gear of 42-, 43-
Adjust inclination angle handwheel, 5- locating piece, the second pin hole of 51-, 6- iron plate, 7- reinforcing bar, 8- concrete, 9- waste and old steel rail, 100- steel to be measured
Rail, 101- scale.
Specific embodiment
Embodiment
Referring to Fig. 1, the positioning formula rail creeping detector in diagram is preferred embodiment of the invention, specifically includes observation and hopes
Remote mirror 1, rod assembly 2, locating cover 3, fixing seat 4 and locating piece 5.Scope 1 is by fixing seat 4, rod assembly 2 and determines
Position cover 3 is fixedly connected, and is stood on locating piece 5 by the fixation of locating cover 3, the fixation position of rail side is mounted on, to rail
Observation is compared to obtain the amount of creeping of rail.
Specifically, the scope 1 in the present embodiment uses an amplification factor for the monotubular erect image telescope of 20X,
1.5-25 meters of observed range, that is, the distance between observer and rail, at least at 1.5 meters or more, maximum observation distance reaches
25 meters, gauger is effectively prevented because need of work crosses on the line and activity, reduces security risk to greatest extent.
Scope 1 is mounted in fixing seat 4, and 4 bottom of fixing seat is fixedly connected with 2 top of rod assembly, upright bar group
The bottom end of part 2 is fixedly connected with locating cover 3, locating cover 3 can with and can only be and fixed from direction cover on locating piece 5
Position block 5 is fixed on the unique positions of rail side, ensures that the observation being mounted on locating piece 5 by locating cover 3 is hoped in this way
Remote mirror 1 is only observed towards rail side, and the assembly relation between locating cover 3 and locating piece 5 defines scope 1 not
It can rotate.
It can accurately be observed on rail to finely tune scope 1, the present embodiment is by the machine of scope 1
Using articulated connection between body and fixing seat 4, so that scope 1 under the premise of observing towards rail, is observing direction
It inside swings up and down and finely tunes pitching observation angle.Setting and the hinged articulated shaft of scope 1 in fixing seat 4, hingedly
Axis parallel steel rails are longitudinal, and the first adjustment gear 41 is fixedly installed on scope 1, and fixed suit second is adjusted on articulated shaft
The pitching that gear 42, intermeshing first adjustment gear 41 and the second adjustment gear 42 composition adjustment scope 1 are swung
Angular adjustment component, the second adjustment gear 42 and tune inclination angle handwheel 43 are coaxially connected, pass through and the rotation of inclination angle handwheel 43 second is adjusted to adjust
Gear 42 is saved, the relatively fixed seat 4 of driving scope 1 is engaged by gear and is swung.
The observed altitude of scope 1 in order to further increase simultaneously, rod assembly 2 uses can be with the more of telescopic adjustment
Grade telescoping rod, including loop bar 21, upright bar 22 and locking nut 23,21 sliding sleeve of loop bar is in upright bar 22,21 bottom end of loop bar
It is threadably secured and connect with locating cover 3, the top of upright bar 22 is then threadably secured with fixing seat 4 and connect.Loop bar 21 and vertical
It is set between bar 22 by on-circular cross-section and realizes circumferential limit assembly, be merely able to slide axially between such loop bar 21 and upright bar 22
The observed altitude of flexible adjustment scope 1, without causing scope 1 to rail because of mutual rotation
Observation towards changing.The top of loop bar 21 is set with the locking nut 23 for holding and unclamping upright bar 22 tightly, by twisting
Pine and tighten flexible adjustment and locking positioning that locking nut 23 realizes rod assembly 2 respectively.
As shown in connection with fig. 2, the locating piece 5 in the present embodiment is the square block with ∧ shape ridge structure, and locating cover 3 is then
Metal housing with corresponding locating piece shape inner cavity can be bonded the cover of locating piece 5 and fill without any movement and rotation occurs,
The stability that scope 1 observes direction has been effectively ensured.First is equipped in two parallel side wall corresponding positions of locating cover 3
Pin hole 31 is equipped with perforative second pin hole 51 in the corresponding position of locating piece 5, after the cover of locating cover 3 is on locating piece 51, first
Pin hole 31 is aligned with the second pin hole 51, and positioning pin identical with pin hole section is interspersed in the first pin hole 31 and the second pin hole simultaneously
In 51, locating cover 3 is fixed on locating piece 5, realizes the location and installation of scope 1.
In conjunction with shown in Fig. 3 and Fig. 4, locating piece 5 uses metal positioning block, can be fixed on by the way that following two mode is embedded
The safe distance of 1.5 meters of one lateral extent of rail or more.
As shown in figure 3, burying stationary positioned block 5 by armored concrete.First the road shoulder in rail side digs a length and width
The foundation pit of 200mm*200mm depth 500mm cuts out the iron plate 6 of one piece of 120mm*100mm*10mm, and locating piece 5 and " L " reinforcing bar 7 are divided
It is not weldingly fixed on the two sides of iron plate 6, notices that the positional relationship between locating piece 5 and rail will guarantee that scope 1 can
It is observed towards rail, finally penetration concrete 8 in foundation pit.Concrete eight and reinforcing bar 7 in foundation pit can also be prefabricated
After buried.
As shown in figure 4, burying stationary positioned block 5 by waste and old steel rail.First the road shoulder in rail side digs a foundation pit, will
Waste and old steel rail 9 is cut into 500mm long, and one end, which is burn-on, is inserted into foundation pit after locating piece 5, and when insertion pays attention between locating piece 5 and rail
Positional relationship to guarantee that scope 1 can be observed towards rail, with concrete or ballast aggregate compacting keep rail pile
It is constant.
In practical applications, preferably the observation of scope 1 is arranged towards rail is directly perpendicular to.For the ease of right
Reading is compared in observation process, the eyepiece 11 of the scope 1 in the present embodiment is equipped with cross-graduation plate, and observation is looked in the distance
Mirror 1 also has focusing handwheel 12, for adjusting the focal length of observation rail, guarantees the accuracy of degree.
Rail creeping amount is detected below in conjunction with Fig. 5 positioning formula rail creeping detector that the present embodiment is described in detail
The step of.
The technical parameter of positioning formula rail creeping detector is as follows:
1, the enlargement ratio of scope 1 is erect image 20X；
2,1.5 meter of -20 meter Jun Ke of operating distance of locating piece 5 and rail 100 to be measured；
3, the resolution ratio of scope 1 is 1mm；
4, the length of upright bar 22 is 1m, height of instrument adjustable extent 0.3m；
5, the precision on the cross-graduation plate of scope 1 is ± 1mm；
6, ambient operating temperature is -22 DEG C -48 DEG C.
Using the magnetic scale of long 220mm as scale 101, can magnetic be fixed on 100 web of the rail of rail to be measured, scale
101 scale size 200mm, centre are 0 scale, the graduation mark for respectively having 100mm to be divided into 100 lattice along left and right directions, for surveying
The number of dimension rail actual change amount.
It calibrates for the first time, the locating cover 3 that will test instrument is fixed on locating piece 5, in the observation direction of scope
It is placed with scale 101 along longitudinal direction on rail 100 to be measured, by the position of 1 regulation scale 101 of scope up to 0 on scale
Scale is overlapped with the cross-graduation plate center line on scope 1, and the position of 0 scale of scale is corresponded on rail 100 to be measured
Do initial markers；
The amount of creeping of rail is detected after in the detection cycle of rail, the locating cover 3 that will test instrument is once again secured in positioning
On block 5, scale 101 is placed on rail, and by the initial markers pair on 0 scale of scale 101 and rail 100 to be measured
Together, scale 101 is then observed by scope 1, scope 1 is observed direction and is immobilized due to locating piece 5,
If rail 100 to be measured is creeped, cross-graduation plate center on scope 1 can with rail 100 to be measured it is certain after
Aligned in position, pass through the instant scale and 0 scale on the cross-graduation plate center alignment scale inside scope 1 at this time
Between difference be rail the amount of creeping, can directly be obtained by reading the scale on scale and specifically be creeped data.
Embodiment above describes basic principles and main features of the invention and advantages of the present invention, the technologies of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The concrete operating principle of invention, without departing from the spirit and scope of the present invention, the present invention also have various change and change
Into these changes and improvements all fall within the protetion scope of the claimed invention, and the claimed scope of the invention is by appended right
Claim and its equivalent thereof.
Claims (8)
1. a kind of positioning formula rail creeping detector, it is characterised in that: including scope (1), rod assembly (2), positioning
Cover (3), fixing seat (4) and locating piece (5)；
The scope (1) is fixed on the top of rod assembly (2), the bottom of the rod assembly (2) by fixing seat (4)
Portion is fixedly connected with locating cover (3), and is fixed on locating piece (5) by locating cover (3)；
The locating piece (5) is fixed on the unique positions of rail side, and the scope (1) is in locating cover (3) and positioning
After block (5) fixing assembling, there is unique observation direction.
2. a kind of positioning formula rail creeping detector according to claim 1, it is characterised in that: the scope
(1) it is articulated and connected between fixing seat (4), and is provided in hinged place for adjusting scope (1) in observation direction
Pitch angle adjust component.
3. a kind of positioning formula rail creeping detector according to claim 2, it is characterised in that: the pitch angle is adjusted
Component includes the first adjustment gear (41) and the second adjustment gear (42), and first adjustment gear (41) is fixed at observation
On telescope (1), second adjustment gear (42) is fixedly set in the articulated shaft of fixing seat (4) Yu scope (1), and
It is engaged with the first adjustment gear (41).
4. a kind of positioning formula rail creeping detector according to claim 3, it is characterised in that: second adjustment gear
(42) it is fixedly connected with inclination angle handwheel (43) are adjusted.
5. a kind of positioning formula rail creeping detector according to claim 1, it is characterised in that: the rod assembly (2)
Including loop bar (21), upright bar (22) and locking nut (23), loop bar (21) sliding sleeve is mounted on upright bar (22), and mutually
Between circumferentially limit assembly, the both ends of the loop bar (21) and upright bar (22) respectively with locating cover (3) and fixing seat (4) fixation company
It connects, the loop bar (21) is equipped with the locking nut (23) for holding and unclamping upright bar (22) tightly.
6. a kind of positioning formula rail creeping detector according to claim 1, it is characterised in that: the locating piece (5) is
Square block with ridge structure, the locating cover (3) have the inner cavity of corresponding locating piece contour structures, the locating cover (3)
It is equipped with the corresponding pin hole in position with locating piece (5), passes through pin and passes through pin hole reality on locating cover (3) and locating piece (5)
Existing fixing assembling.
7. a kind of positioning formula rail creeping detector according to claim 1 to 6, it is characterised in that: the sight
The observation of telescope (1) is surveyed towards perpendicular to rail.
8. a kind of positioning formula rail creeping detector according to claim 7, it is characterised in that: the scope
(1) eyepiece is equipped with cross-graduation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821997708.9U CN209568326U (en) | 2018-11-30 | 2018-11-30 | A kind of positioning formula rail creeping detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821997708.9U CN209568326U (en) | 2018-11-30 | 2018-11-30 | A kind of positioning formula rail creeping detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209568326U true CN209568326U (en) | 2019-11-01 |
Family
ID=68321612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821997708.9U Active CN209568326U (en) | 2018-11-30 | 2018-11-30 | A kind of positioning formula rail creeping detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209568326U (en) |
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2018
- 2018-11-30 CN CN201821997708.9U patent/CN209568326U/en active Active
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