CN110286047A - A kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment - Google Patents
A kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment Download PDFInfo
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- CN110286047A CN110286047A CN201910422180.5A CN201910422180A CN110286047A CN 110286047 A CN110286047 A CN 110286047A CN 201910422180 A CN201910422180 A CN 201910422180A CN 110286047 A CN110286047 A CN 110286047A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- General Health & Medical Sciences (AREA)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention belongs to auto parts and components life performance detection fields, especially a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment, it is low for existing recirculating ball-type steering high temperature wear resistant life experiment testing efficiency, and the recirculating ball-type steering that can not match different model is tested, the problem of poor universality, now propose following solution, including gantry shield, the left side of gantry shield, right side, rear side is equipped with maintenance door, the front side of gantry shield is embedded with control device, the output end of control device is electrically connected with the warning device being fixedly installed at the top of the shield of gantry, with upper in gantry shield, lower two layers of lateral platform board.Structure of the invention is reasonable, can satisfy the needs of Recirculating Ball Steering Gear for Motor Vehicles wear-out life experiment, and improves the real reliability of detection process, is particularly suitable for the use in terms of enterprise's quality inspection, while making maintenance of equipment convenient, improves maintenance efficiency.
Description
Technical field
The present invention relates to auto parts and components life performance detection technique fields more particularly to a kind of automobile circulating ball-type to turn to
Device high temperature wear resistant life experiment equipment.
Background technique
Recirculating Ball Steering Gear for Motor Vehicles is the important safety component part in running car system, and effect is to increase steering wheel
It passes to the power of steering gear and changes the direction of transfer of power, while being also the crucial assembly for determining vehicle active safety.
With the rapid development of auto industry, reliability directly affects vehicle safety performance.Recirculating ball-type steering is peculiar by its
Advantage, application is increasingly extensive, and reliability is also more paid attention to.
Recirculating ball-type steering is mainly made of components such as screw rod, nut, steering gear housing and many small balls, so-called
Circulating ball refers to is exactly these small balls, they are placed in the pipeline liquid injecting device between nut and screw rod, play nut
Sliding friction between screw rod is changed into the effect of the lesser rolling friction of resistance, is secured together when with wheel steering tubing string
Screw rod rotate after, screw rod push nut move up and down, nut driven by gear pitman arm back and forth shake from
And it realizes and turns to.In this process, the rolling that those small balls just move in circles in closed pipeline, so this turn
Recirculating ball-type steering is thus referred to as to device.
Current ball-and-nut steering gear base model all, but when having different model, then size just changes,
At this time be mounted on frock clamp, occur as soon as diverter and height is installed sometimes, it is sometimes low, will result in hydraulic cylinder and motor without
Method horizontality connection the problem of just not connecting perhaps, is so that experiment can not be normally carried out or lead to experimental configuration not just
Really, in addition, Recirculating Ball Steering Gear for Motor Vehicles experimental facilities used at present can only carry out single item test, test mode list mostly
One, it needs to take a substantial amount of time individually to test multinomial content, testing efficiency is low.
Summary of the invention
A kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention, solves existing follow
Global formula diverter high temperature wear resistant life experiment testing efficiency is low, and can not match the recirculating ball-type steering of different model into
The problem of row test, poor universality.
To achieve the goals above, present invention employs following technical solutions:
A kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment, including gantry shield, gantry protection
The left side of cover, right side, rear side are equipped with maintenance door, and the front side of gantry shield is embedded with control device, the output of control device
End is electrically connected with the warning device being fixedly installed at the top of the shield of gantry, has upper and lower two layers in gantry shield
Lateral platform board, be fixed on the platform board of lower layer rotate driving component, tension and compression driving assembly, preceding hydraulic station, rear hydraulic station,
Diverter mounting plate is fixed with ball-and-nut steering gear, the rotate driving component and ball-and-nut steering gear on diverter mounting plate
The transmission connection of steering wheel end, the road wheel end of tension and compression driving assembly and ball-and-nut steering gear is sequentially connected, on the platform board on upper layer
It is fixed with high-temperature heating conduction device, copper brazing plate heat exchanger, high-temperature heating electrical control cabinet, copper brazing plate heat exchanger position
In the top of preceding hydraulic station, rear hydraulic station, copper brazing plate heat exchanger is connected with the cooling tower positioned at gantry shield side,
The outlet end of the high-temperature heating conduction device is connected to the liquid feeding end of ball-and-nut steering gear by oil pipe, high-temperature heating conduction dress
Temperature sensor, the liquid feeding end of the high-temperature heating conduction device and going out for rear hydraulic station are installed on the oil pipe for the outlet end set
Liquid end is connected to by oil pipe, and the liquid feeding end of rear hydraulic station is connected to the outlet end of copper brazing plate heat exchanger by oil pipe, copper pricker
The liquid feeding end of weldering plate heat exchanger is connected to the outlet end of ball-and-nut steering gear by oil pipe.
Preferably, the tension and compression driving assembly includes the U-shaped seat being fixed on lower layer's platform board, rectangular installing frame, U-shaped seat
Inside be fixed with vertical shaft bar, lateral hydraulic cylinder is rotatably equipped on shaft bar, hydraulic cylinder passes through with preceding hydraulic station
Oil pipe connection, the output end of hydraulic cylinder are fixedly installed with pull pressure sensor, have in pull pressure sensor and turn to circulating ball
The tension and compression drive rod of the road wheel end transmission connection of device, the front end of the hydraulic cylinder passes through rectangular installing frame and fixing sleeve is equipped with hanging
Anchor ear, connection ring is had on anchor ear, is fixed with position-limiting cover at the top of the rectangular installing frame, and be rotatably equipped in position-limiting cover
Thread bush, joystick is had on thread bush, and the thread bush internal screw thread is connected with screw thread vertical bar, the lower end side of protruding into of screw thread vertical bar
In shape installing frame and it is fixedly connected with tension spring link block, is fixed with tension spring between tension spring link block and connection ring, on screw thread vertical bar
It is threaded with the second locking nut being located on the inside of rectangular installing frame.
Preferably, the rotate driving component includes the fixing seat being fixed on lower layer's platform board, is set on rear side of fixing seat
There is opening, and the front side of fixing seat is equipped with vertical two vertical slide openings, rectangular opening, two vertical slide openings are located at rectangular opening
Two sides, be sliding combined with motor mounting plate on the inside of the fixing seat, servo motor, spiral shell be fixed on front side of motor mounting plate
Rasp bar, the servo motor are located in rectangular opening, and threaded rod is located in vertical slide opening, and the other end of threaded rod is threaded with position
The first locking nut on front side of fixing seat, is fixed with lateral bottom plate on rear side of the motor mounting plate, solid on the bottom plate
Surely there is the dynamic torque sensor with the transmission connection of the output end of servo motor, dynamic torque sensor has to be turned to circulating ball
The output rod of the steering wheel end transmission connection of device.
Preferably, fixation is consolidated on the reinforcement subplate on right side there are two subplate is reinforced between the bottom plate and motor mounting plate
Surely there is guide ring, guide rod is sliding combined in guide ring, guide rod is fixed in motor mounting plate, and spiral passes on the bottom plate
Dynamic to be combined with vertical screw rod, screw rod is rotatablely installed in fixing seat, and the upper end of the screw rod is pierced by fixing seat and is fixed with position
Runner above fixing seat.
Preferably, the dynamic torque sensor, pull pressure sensor, temperature sensor with the input terminal of control device
It is electrically connected, servo motor, hydraulic cylinder, high-temperature heating conduction device are electrically connected with the output end of control device.
Preferably, the lower section of the hydraulic cylinder is equipped with the annular keel being set on shaft bar.
Preferably, the cross-sectional shape of the thread bush is T shape, and rectangular installing frame is equipped with matched with screw thread vertical bar
Mounting hole, screw thread vertical bar pivot bush unit is in mounting hole.
Preferably, it is evenly equipped with fixation hole on the platform board, and platform board is made of metal material.
Compared with prior art, the beneficial effects of the present invention are:
(1), pass through the U-shaped seat of setting, shaft bar, annular keel, rectangular installing frame, thread bush, screw thread in the present invention
The setting of vertical bar and the second locking nut can adjust the height of hydraulic cylinder as needed, and by the tension spring of setting, make to recycle
It is deflected under ball diverter working condition not by other resistances, and simple using tension spring, beautiful, durable, moreover it is possible to eliminate other
Stress.
(2), pass through fixing seat, vertical slide opening, threaded rod, the first locking nut, guide ring, guide rod and silk in the present invention
The setting of bar can adjust the height of servo motor as needed, and go up and down more laborsaving.
(3), it can prevent that oil connection falls off under the condition of high temperature or aging causes brokenly by gantry shield in the present invention
Scald operator is split, setting for high-temperature heating conduction device, copper brazing plate heat exchanger, cooling tower and temperature sensor is passed through
It sets, ball-and-nut steering gear can be heated, be conveniently used for high temperature wear resistant test, whole device structure is simple, is fabricated to
This is low.
(4), the road wheel end of ball-and-nut steering gear can be made to swing by hydraulic cylinder in the present invention to be tested, pass through servo
Motor can drive the steering wheel end of ball-and-nut steering gear to rotate for testing, and can measure tension and compression by pull pressure sensor
Force value can measure torque value by dynamic torque sensor.
The present invention very easily can not only carry out multinomial test to recirculating ball-type steering, and testing efficiency is high, and servo
The position of motor and hydraulic cylinder can be adjusted as needed, and the ball-and-nut steering gear for avoiding different model installs height sometimes, be had
When it is low, cause with hydraulic cylinder and servo motor can not horizontality connect or just do not connect the problem of, to guarantee to test
Be normally carried out.
Detailed description of the invention
Fig. 1 is that a kind of structure of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention is shown
It is intended to.
Fig. 2 is that a kind of rotation of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention is driven
The schematic top plan view of dynamic component.
Fig. 3 is that a kind of high temperature of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention adds
The arrangement schematic diagram of heat conducting device.
Fig. 4 is that a kind of tension and compression of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention are driven
The schematic diagram of dynamic component.
Fig. 5 is a kind of fixing seat of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment proposed by the present invention
Schematic elevation view.
In figure: 1 gantry shield, 2 platform boards, 3 rotate driving components, 301 fixing seats, 302 rectangular openings, 303 motors peace
Loading board, 304 threaded rods, 305 first locking nuts, 306 screw rods, 307 bottom plates, 308 servo motors, 309 output rods, 310 dynamics
Torque sensor, 311 guide rings, 312 guide rods, 313 vertical slide openings, 4 tension and compression driving assemblies, 401U shape seat, 402 rectangular installations
Frame, 403 shaft bars, 404 hydraulic cylinders, 405 pull pressure sensor, 406 tension and compression drive rods, 407 anchor ears, 408 connection rings, 409 limits
Position cover, 410 thread bush, 411 screw thread vertical bars, 412 second locking nuts, 413 tension spring link blocks, 414 tension springs, 5 control devices, 6
Hydraulic station behind preceding hydraulic station, 7,8 high-temperature heating conduction devices, 9 copper brazing plate heat exchangers, 10 high-temperature heating electrical control cabinets,
11 cooling towers, 12 diverter mounting plates, 13 temperature sensors, 14 ball-and-nut steering gears, 15 warning devices.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment, including gantry shield
1, the left side of gantry shield 1, right side, rear side are equipped with maintenance door, and the front side of gantry shield 1 is embedded with control device 5, control
The output end of device 5 processed is electrically connected with the warning device 15 for being fixedly installed in the top of gantry shield 1, in gantry shield 1
With upper and lower two layers lateral platform board 2, be fixed on the platform board 2 of lower layer rotate driving component 3, tension and compression driving assembly 4,
Preceding hydraulic station 6, rear hydraulic station 7, diverter mounting plate 12 are fixed with ball-and-nut steering gear 14 on diverter mounting plate 12, rotate
The steering wheel end of driving assembly 3 and ball-and-nut steering gear 14 is sequentially connected, the vehicle of tension and compression driving assembly 4 and ball-and-nut steering gear 14
End transmission connection is taken turns, high-temperature heating conduction device 8, copper brazing plate heat exchanger 9, high temperature are fixed on the platform board 2 on upper layer and is added
Hot electrical control cabinet 10, copper brazing plate heat exchanger 9 are located at the top of preceding hydraulic station 6, rear hydraulic station 7, copper brazing plate-type heat-exchange
Device 9 is connected with the cooling tower 11 positioned at 1 side of gantry shield, and the outlet end and circulating ball for being heated at high temperature conduction device 8 turn
It is connected to the liquid feeding end of device 14 by oil pipe, is heated at high temperature on the oil pipe of the outlet end of conduction device 8 and temperature sensor is installed
13, the liquid feeding end of high-temperature heating conduction device 8 is connected to the outlet end of rear hydraulic station 7 by oil pipe, the liquid feeding end of rear hydraulic station 7
It is connected to the outlet end of copper brazing plate heat exchanger 9 by oil pipe, the liquid feeding end and circulating ball of copper brazing plate heat exchanger 9 turn to
The outlet end of device 14 is connected to by oil pipe.
In present embodiment, tension and compression driving assembly 4 includes the U-shaped seat 401 being fixed on lower layer's platform board 2, rectangular installation
Frame 402, the inside of U-shaped seat 401 are fixed with vertical shaft bar 403, are rotatably equipped with lateral hydraulic cylinder on shaft bar 403
404, hydraulic cylinder 404 is connect with preceding hydraulic station 6 by oil pipe, and the output end of hydraulic cylinder 404 is fixedly installed with pull pressure sensor
405, it is hydraulic with the tension and compression drive rod 406 being sequentially connected with the road wheel end of ball-and-nut steering gear 14 in pull pressure sensor 405
The front end of cylinder 404 passes through rectangular installing frame 402 and fixing sleeve is equipped with hanging anchor ear 407, has connection ring 408 on anchor ear 407,
The top of rectangular installing frame 402 is fixed with position-limiting cover 409, and thread bush 410 is rotatably equipped in position-limiting cover 409, thread bush 410
Upper to have joystick, 410 internal screw thread of thread bush is connected with screw thread vertical bar 411, and rectangular installing frame is protruded into the lower end of screw thread vertical bar 411
In 402 and it is fixedly connected with tension spring link block 413, tension spring 414, screw thread are fixed between tension spring link block 413 and connection ring 408
The second locking nut 412 positioned at rectangular 402 inside of installing frame is threaded on vertical bar 411.
In present embodiment, rotate driving component 3 includes the fixing seat 301 being fixed on lower layer's platform board 2, fixing seat
301 rear side is equipped with opening, and the front side of fixing seat 301 is equipped with vertical two vertical slide openings 313, rectangular openings 302, and two perpendicular
The two sides of rectangular opening 302 are located to slide opening 313, the inside of fixing seat 301 is sliding combined with motor mounting plate 303, motor
The front side of mounting plate 303 is fixed with servo motor 308, threaded rod 304, and servo motor 308 is located in rectangular opening 302, threaded rod
304 are located in vertical slide opening 313, and the other end of threaded rod 304 is threaded with the first locking screw positioned at 301 front side of fixing seat
Mother 305, the rear side of motor mounting plate 303 is fixed with lateral bottom plate 307, is fixed on bottom plate 307 defeated with servo motor 308
The dynamic torque sensor 310 of outlet transmission connection, dynamic torque sensor 310 is with the steering wheel with ball-and-nut steering gear 14
Hold the output rod 309 of transmission connection.
In present embodiment, fixed between bottom plate 307 and motor mounting plate 303 there are two reinforce subplate, the reinforcement on right side
It is fixed with guide ring 311 on subplate, guide rod 312 is sliding combined in guide ring 311, guide rod 312 is fixed on motor installation
In plate 303, worm drive are combined with vertical screw rod 306 on bottom plate 307, and the rotational installation of screw rod 306 is in fixing seat 301, silk
The runner that the upper end of bar 306 is pierced by fixing seat 301 and is fixed with above fixing seat 301.
In present embodiment, dynamic torque sensor 310, pull pressure sensor 405, temperature sensor 13 are filled with control
5 input terminal electric connection is set, servo motor 308, hydraulic cylinder 404, high-temperature heating conduction device 8 are defeated with control device 5
Outlet is electrically connected.
In present embodiment, the lower section of hydraulic cylinder 404 is equipped with the annular keel being set on shaft bar 403.
In present embodiment, the cross-sectional shape of thread bush 410 is T shape, and rectangular installing frame 402 is equipped with and erects with screw thread
The matched mounting hole of bar 411,411 pivot bush unit of screw thread vertical bar is in mounting hole.
In present embodiment, fixation hole is evenly equipped on platform board 2, and platform board 2 is made of metal material.
In the present invention, it can prevent that oil connection falls off under the condition of high temperature or aging causes to rupture by gantry shield 1
Operator is scalded, control device 5 is controlled using existing PLC single-chip computer control system, is had display panel, is passed through control
Device 5 controls warning device 15 and realizes automatic alarm, convenient by 1 left side of gantry shield, the maintenance door of the right and back all
Installation plus media fluid, maintenance, whole device is 2.6 meters long, 1.2 meters deep, 1.8-2.0 meters high, is divided into 2 layers, second layer setting exists
It 1.5 meters or more, by the setting of the high-temperature heating conduction device 8, copper brazing plate heat exchanger 9 and cooling tower 11 of setting, uses
It, can by existing temperature sensor 13 in carrying out circulating-heating to the hydraulic oil in it when testing ball-and-nut steering gear 14
To detect hydraulic fluid temperature, the hydraulic oil after heating recycles in ball-and-nut steering gear 14, for ball-and-nut steering gear 14 into
Row heating is conveniently used for high temperature wear resistant test, when test, the wheel of ball-and-nut steering gear 14 can be made by hydraulic cylinder 404
End swings and is tested, and the steering wheel end of ball-and-nut steering gear 14 can be driven to rotate for testing by servo motor 308, led to
Tension and compression force value can be measured by crossing existing pull pressure sensor 405, can measure torsion by existing dynamic torque sensor 310
Force value, tension and compression force value and torque value pass to control device 5, aobvious by display panel after being handled due to control device 5
Show.
By the U-shaped seat 401 and shaft bar 403 of setting, hydraulic cylinder 404 is swung, lower section is arranged not
Level annular keel, can be used for adjusting the height of hydraulic cylinder 404,402 inside of rectangular installing frame of setting with it is hydraulic
When cylinder 404 contacts, just it is 37.5 degree of the deflection angle of ball-and-nut steering gear 14, is rotated on rectangular installing frame 402 by manpower
Joystick can rotate thread bush 410, thus make screw thread vertical bar 411 go up and down, the height of the front end for adjusting hydraulic cylinder 404
It is low, it is locked after adjusting height by the second locking nut 412 of upper rotation, lower section uses tension spring 414, and purpose makes ball-and-nut steering gear 14
It is deflected under working condition not by other resistances, it is simple using tension spring 414, beautiful, durable, moreover it is possible to eliminate other stress.
By opening up vertical slide opening 313 in fixing seat 301, so that threaded rod 304 can move in vertical slide opening 313
It is dynamic, it is locked by the first locking nut of turn 305, so as to adjust the height of servo motor 308, due to servo motor 308
Middle heavier-weight risen by further increasing guide ring 311, guide rod 312 and screw rod 306 by rotary screw rod 306
Drop, it is more laborsaving, since the position of servo motor 308 and hydraulic cylinder 404 can be adjusted, avoid different model
Ball-and-nut steering gear 14 installs height sometimes, sometimes low, cause with hydraulic cylinder 404 and servo motor 308 can not horizontality connect
Or the problem of just not connecting, to guarantee being normally carried out for experiment.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment, including gantry shield (1), gantry protection
The left side, right side, rear side for covering (1) are equipped with maintenance door, and the front side of gantry shield (1) is embedded with control device (5), control dress
The output end for setting (5) is electrically connected with the warning device (15) being fixedly installed at the top of gantry shield (1), which is characterized in that
Upper and lower two layers lateral platform board (2) is had in gantry shield (1), is fixed with rotation on the platform board (2) of lower layer and is driven
Dynamic component (3), tension and compression driving assembly (4), preceding hydraulic station (6), rear hydraulic station (7), diverter mounting plate (12), diverter installation
It is fixed on plate (12) ball-and-nut steering gear (14), the steering wheel of the rotate driving component (3) and ball-and-nut steering gear (14)
End transmission connection, the road wheel end transmission connection of tension and compression driving assembly (4) and ball-and-nut steering gear (14), the platform board (2) on upper layer
On be fixed with high-temperature heating conduction device (8), copper brazing plate heat exchanger (9), high-temperature heating electrical control cabinet (10), copper brazing
Plate heat exchanger (9) is located at the top of preceding hydraulic station (6), rear hydraulic station (7), and copper brazing plate heat exchanger (9), which is connected with, to be located at
The cooling tower (11) of gantry shield (1) side, the outlet end and ball-and-nut steering gear of high-temperature heating conduction device (8)
(14) liquid feeding end is connected to by oil pipe, is heated at high temperature on the oil pipe of the outlet end of conduction device (8) and is equipped with temperature sensor
(13), the liquid feeding end of high-temperature heating conduction device (8) is connected to the outlet end of rear hydraulic station (7) by oil pipe, rear hydraulic
The liquid feeding end of (7) of standing is connected to the outlet end of copper brazing plate heat exchanger (9) by oil pipe, copper brazing plate heat exchanger (9)
Liquid feeding end is connected to the outlet end of ball-and-nut steering gear (14) by oil pipe.
2. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 1, feature
It is, the tension and compression driving assembly (4) includes the U-shaped seat (401) being fixed on lower layer's platform board (2), rectangular installing frame
(402), vertical shaft bar (403) is fixed on the inside of U-shaped seat (401), shaft bar is rotatably equipped with lateral liquid on (403)
Cylinder pressure (404), hydraulic cylinder (404) are connect with preceding hydraulic station (6) by oil pipe, and the output end of hydraulic cylinder (404) is fixedly installed with
Pull pressure sensor (405), has in pull pressure sensor (405) and the road wheel end of ball-and-nut steering gear (14) transmission connection
The front end of tension and compression drive rod (406), the hydraulic cylinder (404) passes through rectangular installing frame (402) and fixing sleeve is embraced equipped with hanging
It binds round (407), has connection ring (408) on anchor ear (407), be fixed with position-limiting cover at the top of the rectangular installing frame (402)
(409), it and in position-limiting cover (409) is rotatably equipped with thread bush (410), joystick, the thread bush is had on thread bush (410)
(410) internal screw thread is connected with screw thread vertical bar (411), and the lower end of screw thread vertical bar (411) is protruded into rectangular installing frame (402) and fixed
It is connected with tension spring link block (413), is fixed between tension spring link block (413) and connection ring (408) tension spring (414), screw thread is perpendicular
The second locking nut (412) being threaded on bar (411) on the inside of rectangular installing frame (402).
3. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 2, feature
It is, the rotate driving component (3) includes the fixing seat (301) being fixed on lower layer's platform board (2), fixing seat (301)
Rear side is equipped with opening, and the front side of fixing seat (301) is equipped with vertical two vertical slide openings (313), rectangular openings (302), and two
Vertical slide opening (313) is located at the two sides of rectangular opening (302), and motor peace is sliding combined on the inside of the fixing seat (301)
Loading board (303) is fixed with servo motor (308), threaded rod (304), the servo motor on front side of motor mounting plate (303)
(308) it is located in rectangular opening (302), threaded rod (304) is located in vertical slide opening (313), the other end screw thread of threaded rod (304)
It is connected with the first locking nut (305) being located on front side of fixing seat (301), is fixed on rear side of the motor mounting plate (303)
Lateral bottom plate (307) is fixed on the bottom plate (307) and turns round with the dynamic of the output end of servo motor (308) transmission connection
Square sensor (310), dynamic torque sensor (310) have defeated with the transmission connection of the steering wheel end of ball-and-nut steering gear (14)
Rod (309).
4. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 3, feature
It is, fixation is consolidated on the reinforcement subplate on right side there are two subplate is reinforced between the bottom plate (307) and motor mounting plate (303)
Surely have guide ring (311), be sliding combined with guide rod (312) in guide ring (311), guide rod (312) is fixed on motor installation
In plate (303), worm drive are combined with vertical screw rod (306) on the bottom plate (307), and screw rod (306) rotational installation is in solid
In reservation (301), the upper end of the screw rod (306) is pierced by fixing seat (301) and is fixed with to be turned above fixing seat (301)
Wheel.
5. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 3 or 4, special
Sign is, the dynamic torque sensor (310), pull pressure sensor (405), temperature sensor (13) are and control device
(5) input terminal is electrically connected, and servo motor (308), hydraulic cylinder (404), high-temperature heating conduction device (8) are and control device
(5) output end is electrically connected.
6. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 5, feature
It is, the lower section of the hydraulic cylinder (404) is equipped with the annular keel being set on shaft bar (403).
7. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 5, feature
It is, the cross-sectional shape of the thread bush (410) is T shape, and rectangular installing frame (402) is equipped with and screw thread vertical bar (411)
Matched mounting hole, screw thread vertical bar (411) pivot bush unit is in mounting hole.
8. a kind of Recirculating Ball Steering Gear for Motor Vehicles high temperature wear resistant life experiment equipment according to claim 5, feature
It is, fixation hole is evenly equipped on the platform board (2), and platform board (2) is made of metal material.
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| CN201910422180.5A CN110286047B (en) | 2019-05-21 | 2019-05-21 | High-temperature-resistant wear life experimental equipment for automobile recirculating ball type steering gear |
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| CN201910422180.5A CN110286047B (en) | 2019-05-21 | 2019-05-21 | High-temperature-resistant wear life experimental equipment for automobile recirculating ball type steering gear |
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| CN110286047A true CN110286047A (en) | 2019-09-27 |
| CN110286047B CN110286047B (en) | 2021-09-10 |
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2019
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| US20050120774A1 (en) * | 2003-12-05 | 2005-06-09 | Kenichi Shinohara | Abrasion tester and test method |
| RU2007125929A (en) * | 2007-07-09 | 2009-01-20 | Государственное образовательное учреждение высшего профессионального образовани "Пензенский Государственный Университет" (ПГУ) (RU) | STAND OF ACCELERATED TESTS OF MATERIAL AND THE MOST BALL BALLS |
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| CN110286047B (en) | 2021-09-10 |
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