CN203287142U - Torque-controllable traffic accident vehicle braking force detection device - Google Patents
Torque-controllable traffic accident vehicle braking force detection device Download PDFInfo
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- CN203287142U CN203287142U CN2013203611135U CN201320361113U CN203287142U CN 203287142 U CN203287142 U CN 203287142U CN 2013203611135 U CN2013203611135 U CN 2013203611135U CN 201320361113 U CN201320361113 U CN 201320361113U CN 203287142 U CN203287142 U CN 203287142U
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Abstract
The utility model relates to a torque-controllable traffic accident vehicle braking force detection device. The device matches an asynchronous motor with an electromagnetic slip clutch to form a slip motor, and the slip motor is used to perform torque dynamic loading, thereby acquiring the braking torque of a traffic accident vehicle brake, and evaluating the braking performance of the traffic accident vehicle. The device comprises a detection device (A), a support device (B) and a guide device (C). The detection device (A) transfers torque generated by the slip motor to a force application chuck, and a PID controller is used to control the output of variable torque, thereby obtaining a braking force curve of the brake; the support device (B) is in rigid connection with the detection device through an upper support plate, and is matched with the guide device in a smooth manner through an upper guide rail; and the guide device (C) controls the detection device and the support device to move longitudinally through a linear guide rail. The torque-controllable traffic accident vehicle braking force detection device solves the problem that braking force of a traffic accident vehicle having no road test or bench test conditions cannot be detected, and the performance of an ABS system of the vehicle can be evaluated at the same time.
Description
Technical field
The utility model belongs to the automotive performance checkout equipment, particularly a kind of controllable torque accident vehicle braking forces measuring device.Described controllable torque accident vehicle braking forces measuring device not only can detect accident vehicle damping force, and can estimate the performance of vehicle ABS system.This device accuracy of detection is high, system reliability good, and simple in structure, reasonable in design, makes motor vehicle Identification Service science and objective more, and qualification result has more confidence level.
Background technology
, due to the growth of China's automobile pollution and traffic hazard, make the quality dispute relevant to automobile and accident dispute also increase thereupon.The braking ability of automobile directly concerns the security of automobile.When identifying the accident vehicle accident, certifying agency detects and has made some standard-requireds automobile brake perfrmance, makes and identifies detection system, standardization.In most of the cases, tested vehicle, because collision damages, loses driveability, does not possess the technical conditions of road examination or bench teat check, can not carry out road examination or Platform test.Therefore, for the accident vehicle that loses driveability, the method that most traffic hazard judicial expertise mechanism can only adopt outward appearance to observe, carry out rough qualitative judgement, can't detect concrete technical parameter, and its expert's conclusion lacks science and objectivity.
Summary of the invention
The utility model fundamental purpose is to provide a kind of controllable torque accident vehicle braking forces measuring device, to realize that accident vehicle braking capacity and ABS system performance are accurate, to detect rapidly.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions, and accompanying drawings is as follows:
a kind of based on controllable torque accident vehicle braking forces measuring device, this device is mainly by pick-up unit A, bracing or strutting arrangement B and guide piece C form, described pick-up unit A is by the asynchronous machine 1 that connects successively, electromagnetic slip clutch 2, torque sensor 5, speed reduction unit 8 and application of force chuck 10 form, described bracing or strutting arrangement B is by upper backup pad 21, upper rail 27 and be contained in upper backup pad 21 and upper rail 27 between carrying glue pier 26 form, described guide piece C is comprised of lower guideway 36 and line slideway 37, described pick-up unit A integral body is fixed on upper backup pad 21, upper backup pad 21 is connected by carrying glue pier 26 elasticity with upper rail 27, the smooth contact surface of upper rail 27 left and right sides, be slidably matched with the channel-section steel of lower guideway 36 left and right sides respectively, upper rail 27 is fixedly connected with line slideway 37 by bolt, to realize vertically moving of pick-up unit and bracing or strutting arrangement, guide piece C is bolted on ground.
Be fixed with the motor support seat 20 that asynchronous machine 1 is installed, the torque sensor supporting seat 23 of mounting torque sensor 5 and the speed reduction unit supporting seat 24 of installation speed reduction unit 8 on described upper backup pad 21, described upper rail 27 is equipped with guide rail locking device 28, and the effect of guide rail locking device 28 is to realize bracing or strutting arrangement, pick-up unit fixing of any position in the vertical.
be connected by torque sensor input shaft axle sleeve 4 between described electromagnetic slip clutch 2 and torque sensor 5, be connected by torque sensor output shaft axle sleeve 6 between torque sensor 5 and speed reduction unit 8, be connected by spline joint axle sleeve 9 between speed reduction unit 8 and application of force chuck 10, described asynchronous machine 1, electromagnetic slip clutch 2, torque sensor input shaft axle sleeve 4, torque sensor 5, torque sensor output shaft axle sleeve 6, speed reduction unit 8, all adopt key to connect between spline joint axle sleeve 9, spline joint axle sleeve 9 also is spline with being connected of application of force chuck 10, described application of force chuck 10 is fixing by bolt and automobile brake disc 11.
between torque sensor output shaft axle sleeve 6 and speed reduction unit 8, rotational speed sensor device is housed, described rotational speed sensor device is by speed probe 7, locating ring 17 and measure speed gears 18 form, described measure speed gears 18 is arranged on the input shaft of speed reduction unit 8 by key, locating ring 17 location are used in its left side, the shaft shoulder location of speed reduction unit 8 input shafts is used on right side, speed probe 7 by speed probe seat 19 be arranged on measure speed gears 18 under, its probe arrives the distance of measure speed gears 18 between 0.5mm-1.5mm, speed probe seat 19 is bolted on the sidewall of speed reduction unit 8.
between electromagnetic slip clutch 2 and torque sensor input shaft axle sleeve 4, the demarcation locking device is housed, described demarcation locking device is by locked ring flange 12, locked axle sleeve 13 and lock ring 15 form, described locked ring flange 12 is fixed by the set bolt of electromagnetic slip clutch 2 right side bearing caps and the shell of electromagnetic slip clutch 2, locked axle sleeve 13 is fixing with locked ring flange 12 by gib screw 14, movement or locked degree of tightness by control locked screw 16 realization of described lock ring 15 on torque sensor input shaft axle sleeve 4, the groove of four symmetries of locked axle sleeve 13 processing, the boss of four symmetries of lock ring 15 processing, mobile lock ring 15 makes described groove coordinate with described boss, the output shaft of locked electromagnetic slip clutch 2, demarcate, remove lock ring 15, then use locked screw (16) that lock ring 15 is fixing, detect.
Spline joint mode between described spline joint axle sleeve 9 and application of force chuck 10, can carry out the fine setting of axial displacement in assembling process, with the common position deviation of adjusting of spline joint axle sleeve 9, the bolt hole of application of force chuck 10 all adopts strip hole, to adapt to the installation dimension of different automobile types automobile brake disc 11.
Described carrying glue pier 26 is comprised of guide finger 30, set bolt 31, upper fixed flange 32, lower fixed flange 33 and carrying rubber 34, fixed ring flange 32 is fixing with upper backup pad 21 by set bolt 31, lower fixed flange 33 is fixing with upper rail 27 by set bolt 31, guide finger 30 is fixedly connected with by screw thread with upper rail 27, the effect of guide finger 30 is to control the distortion that carrying rubber 34 produces vertical direction, described carrying glue pier 26, with the adjustment up and down of load do, to the heart, has cushioning effect for the upper backup pad 21 that is supported by it simultaneously.
Carry out the fine setting of axial displacement by the spline joint mode between application of force chuck 10 and spline joint axle sleeve 9; Carry out the fine setting of length travel by the cooperation of upper rail 27, lower guideway 36, line slideway 37; The fine setting of vertical direction displacement is carried out in cooperation by upper backup pad 21, carrying glue pier 26, upper rail 27, thereby guarantees that application of force chuck 10 is concentric with automobile brake disc 11.
Described asynchronous machine 1 mates with electromagnetic slip clutch 2 and is configured to slip electric motor, exciting current in the electromagnetic slip clutch field coil is regulated the output torque of realizing slip electric motor to be controlled, moment of torsion is delivered to application of force chuck 10 through torque sensor 5 and speed reduction unit 8, is applied to finally automobile brake disc 11.
Innovation of the present utility model is: mate asynchronous machine and electromagnetic slip clutch to be configured to slip electric motor (1), adopts slip electric motor to carry out moment of torsion dynamic load mode, thereby obtain the braking moment of accident vehicle detent; (2) can, by the fine setting of axial, vertical and vertical direction displacement, guarantee that application of force chuck is concentric with automobile brake disc; (3) will demarcate locking device and be arranged on pick-up unit, make demarcation, detect convenient; (4) the guide rail locking device can be realized bracing or strutting arrangement, pick-up unit fixing of any position in the vertical.
Technique effect of the present utility model: adopt the utility model can be fast, accurately, calculate in real time reliably the damping force of accident vehicle, thereby estimate the performance of automobile brake perfrmance and ABS system.The low cost of manufacture of this pick-up unit, measuring accuracy is high, installs simply, and easy to maintenance, its indirect economic effect is very considerable, and is highly beneficial to the development that the motor vehicle accident responsibility is identified.
Description of drawings
Fig. 1 controllable torque accident vehicle braking forces measuring assembly axis view;
Fig. 2 pick-up unit schematic diagram;
Fig. 3 demarcates the locking device schematic diagram;
The locked ring flange of Fig. 4 and locked axle sleeve schematic diagram;
Fig. 5 lock ring schematic diagram;
Fig. 6 speed measuring device schematic diagram;
Fig. 7 spline joint axle sleeve and application of force chuck schematic diagram;
Fig. 8 bracing or strutting arrangement schematic diagram;
Fig. 9 upper backup pad schematic diagram;
Figure 10 carries glue pier axonometric drawing;
Figure 11 carries glue pier cut-open view;
The schematic diagram of Figure 12 upper rail and guide piece;
The local enlarged diagram of Figure 13 guide rail locking device;
Figure 14 guide piece schematic diagram.
in figure: the A. pick-up unit, B. bracing or strutting arrangement, C. guide piece, 1. asynchronous machine, 2. electromagnetic slip clutch, 3. demarcation locking device, 4. torque sensor input shaft axle sleeve, 5. torque sensor, 6. torque sensor output shaft axle sleeve, 7. speed probe, 8. speed reduction unit, 9. spline joint axle sleeve, 10. application of force chuck, 11. automobile brake disc, 12. locked ring flange, 13. locked axle sleeve, 14. trip bolt, 15. lock ring, 16. locked screw, 17. locating ring, 18. measure speed gears, 19. speed probe seat, 20. motor support seat, 21. upper backup pad, 22. carrying Jiao Dun hole, 23. torque sensor supporting seat, 24. speed reduction unit supporting seat, 25. lightening hole, 26. carrying Jiao Dun, 27. upper rail, 28. guide rail locking device, 29. reinforcement, 30. guide finger, 31. set bolt, 32. upper fixed flange, 33. lower fixed flange, 34. carrying rubber, 35. line slideway bolt, 36. lower guideway 37. line slideways
Embodiment
Further describe particular content of the present utility model and principle of work below in conjunction with the accompanying drawing illustrated embodiment.
The utility model relates to a kind of controllable torque accident vehicle braking forces measuring device, and this device mainly is comprised of pick-up unit A, bracing or strutting arrangement B and guide piece C.This device mainly is comprised of asynchronous machine 1, electromagnetic slip clutch 2, torque sensor 5, speed probe 7 and line slideway 37 etc.The model that described asynchronous machine is selected is Y132S-4, rated power 5.5kw, and rated speed is 1440r/min; Described electromagnetic slip clutch is selected the slip clutch that matches and use with YCT series buncher, and the output torque range is between 40～110Nm; Described torque sensor is selected NH-901 type twin axle dynamic torque sensor, its measurement range 0-200Nm, and output sensitivity 1.0～2.0mV/V, applicable rotating speed are below 4500 rev/mins, driving voltage is 24VDC; Described speed probe is chosen RP660C-10A type sourceless electromagnetic type speed probe, its thread size M10*1.0, measurement range 1-10000r/min, output waveform is sinusoidal wave, assemblage gap 0.5～1.5mm, measure speed gears modulus 1～2, material are the good metal material of magnetic conductivity; The model that described line slideway is selected is the MSA45A type.
With reference to Fig. 1, controllable torque accident vehicle braking forces measuring device mainly is comprised of pick-up unit A, bracing or strutting arrangement B and guide piece C.Described pick-up unit A integral body is fixed on upper backup pad 21, upper backup pad 21 is connected by carrying glue pier 26 elasticity with upper rail 27, the smooth contact surface of upper rail 27 left and right sides, be slidably matched with the channel-section steel of lower guideway 36 left and right sides respectively, upper rail 27 is fixedly connected with line slideway 37 by bolt, can realize vertically moving of pick-up unit and bracing or strutting arrangement, guide piece C is bolted on ground.
With reference to Fig. 2, described pick-up unit A is comprised of asynchronous machine 1, electromagnetic slip clutch 2, torque sensor input shaft axle sleeve 4, torque sensor 5, torque sensor output shaft axle sleeve 6, speed probe 7, speed reduction unit 8, spline joint axle sleeve 9 and application of force chuck 10.
The mode that all adopts key to connect between asynchronous machine 1, electromagnetic slip clutch 2, torque sensor input shaft axle sleeve 4, torque sensor 5, torque sensor output shaft axle sleeve 6, speed reduction unit 8, spline joint axle sleeve 9, spline joint axle sleeve 9 is splines with the connected mode of application of force chuck 10, and application of force chuck 10 is fixing by bolt and automobile brake disc 11.Measure speed gears 18 is arranged on by key on the input shaft of speed reduction unit 8, and speed probe 7 is fixed on by speed probe seat 19 on the shell of speed reduction unit 8, and the ratio of gear of speed reduction unit 8 is 36.7.
With reference to Fig. 3,4,5, described demarcation locking device is comprised of locked ring flange 12, locked axle sleeve 13, trip bolt 14, lock ring 15 and locked screw 16.
Locked ring flange 12 is fixed by the set bolt of electromagnetic slip clutch 2 right side bearing caps and the shell of electromagnetic slip clutch 2, locked axle sleeve 13 is fixing with locked ring flange 12 by gib screw 14, lock ring 15 on torque sensor input shaft axle sleeve 4 movement or locked be to realize by the degree of tightness of controlling locked screw 16.The groove of four symmetries of locked axle sleeve 13 processing, the boss of four symmetries of lock ring 15 processing, when the needs timing signal, mobile lock ring 15 makes groove coordinate with boss, the output shaft of locked electromagnetic slip clutch 2, then demarcate, can remove lock ring 15 when detecting, then use locked screw 16 that lock ring is fixed.
With reference to Fig. 6, described rotational speed sensor device comprises speed probe 7, locating ring 17, measure speed gears 18 and speed probe seat 19.
Measure speed gears 18 is arranged on the input shaft of speed reduction unit 8 by key, locating ring 17 location with pilot hole are used in its left side, the between centers location of speed reduction unit 8 input shafts is used on right side, speed probe 7 be arranged on measure speed gears 18 under, the probe of speed probe to the distance of measure speed gears between 0.5mm-1.5mm.
With reference to Fig. 7, to pass through spline joint between described spline joint axle sleeve 9 and application of force chuck 10, spline joint can carry out the fine setting of axial displacement in assembling process, jointly adjust position deviation with axle sleeve, the spline joint mode is larger than the load-bearing capacity of flat key connected mode simultaneously, the bolt hole of application of force chuck 10 all is designed to strip hole, to adapt to the installation dimension of different automobile types automobile brake disc 11.
With reference to Fig. 8, described bracing or strutting arrangement mainly comprises motor support seat 20, torque sensor supporting seat 23, speed reduction unit supporting seat 24, upper backup pad 21, carrying glue pier 26 and upper rail 27.
With reference to Fig. 9, the reinforcement 29 that model is ∠ 3# is made with angle steel in the bottom of upper backup pad 21,, due to the general 150kg of pick-up unit weight,, in order to prevent upper backup pad 21 distortion, guarantees rigidity, so designed the trapezoidal reinforcement that is comprised of angle steel.
With reference to Figure 10,11, carrying glue pier 26 is comprised of guide finger 30, set bolt 31, upper fixed flange 32, lower fixed flange 33 and carrying rubber 34.
Wherein said upper fixed flange 32 is fixing with upper backup pad 21 by set bolt 31, lower fixed flange 33 is fixing with upper rail 27 by set bolt 31, guide finger 30 is fixedly connected with by screw thread with upper rail 27, the effect of guide finger is to control the distortion that carrying rubber 34 can only produce vertical direction, support due to carrying glue pier 26, can allow upper backup pad 21 to a certain extent with load do to adjust up and down, to the heart, carrying simultaneously Jiao Dun has certain cushioning effect.
With reference to Figure 12, upper rail 27 is connected with line slideway 37 by line slideway bolt 35, lower guideway 36 left and right two channel-section steels are slidably matched with upper rail 27 left and right smooth contact surfaces respectively, and line slideway 37 is controlled the moving direction of bracing or strutting arrangement B, and lower guideway 36 left and right two channel-section steel effects are carryings.
With reference to Figure 13, guide rail locking device 28 is comprised of four bolts with platform, clamping screw is arranged on the both sides of upper rail 27, when bracing or strutting arrangement moves to a certain position along line slideway, by screwing four clamping screws, the bolt platform is coordinated, locking supporting device with the longitudinal rail side.
With reference to Figure 14, guide piece C mainly comprises lower guideway 36, line slideway 37.Wherein lower guideway 36 is welded by the different model channel-section steel, front and back two channel-section steels have bolt hole, in order to be fixed on ground, left and right two channel-section steels contact with upper rail 27 is smooth respectively, line slideway 37 is fixed by bolt and middle channel-section steel, why guide piece adopts this structure, is mainly in order to guarantee the flatness of left and right two channel-section steels, middle channel-section steel.Wherein the model of left and right two channel-section steels is 14a#, and the front and back two fixedly model of channel-section steel are 12.6#, and the model of middle channel-section steel is 8#.
The course of work of the present utility model is as follows:
While with this equipment, detecting, tested vehicle is placed in best test position.So-called best test position refers to that tested wheel of vehicle place axle and application of force chuck axis roughly are positioned at the position of same vertical plane.Tool using is with inspection axletree (the heavy larger axle of axle) jack-up, unload wheel, adjust the height of axletree with instrument, make it close with application of force chuck, can adjust application of force chuck 10 axially, vertically, move on vertical direction by the effect of spline joint mode, carrying glue pier 26, guide piece C, thereby guarantee that application of force chuck is concentric with automobile brake disc 11, be bolted application of force chuck and brake disc, use guide rail locking device 28 that bracing or strutting arrangement B is fixed on guide piece C.Slam the brake pedal of tested vehicle, power when the pedal force size is brought to a halt with vehicle is approximate to be got final product, adjust complete rear startup asynchronous machine, electromagnetic slip clutch, power is through asynchronous machine 1, electromagnetic slip clutch 2, torque sensor input shaft axle sleeve 4, torque sensor 5, torque sensor output shaft axle sleeve 6, speed reduction unit 8, spline joint axle sleeve 9, application of force chuck 10, be delivered to finally automobile brake disc 11, bring into use simultaneously the PID controller to control the output variable torque, load and start continuously.Until brake disc rotates, speed probe 7 starts output signal finishes loading, and this moment, the moment values of system output was exactly the maximum static friction moment of brake disc and shoe brake, the braking moment on ground namely, divided by radius of wheel, be namely the ground damping force of tested wheel, so far detect complete.Or when by asynchronous machine 1, driving the brake disc rotating speed and reach certain value, speed probe 7 provides a signal, slam the brake pedal of tested vehicle, make vehicle ABS system generation effect, this moment, the moment values of system output was exactly the maximum static friction moment of brake disc and shoe brake, the relation of braking moment and time can be simulated, the performance of vehicle ABS system can well be assessed.
Claims (10)
1. one kind based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
this device is mainly by pick-up unit (A), bracing or strutting arrangement (B) and guide piece (C) form, described pick-up unit (A) is by the asynchronous machine (1) that connects successively, electromagnetic slip clutch (2), torque sensor (5), speed reduction unit (8) and application of force chuck (10) form, described bracing or strutting arrangement (B) is by upper backup pad (21), upper rail (27) and be contained in upper backup pad (21) and upper rail (27) between carrying Jiao Dun (26) form, described guide piece (C) is comprised of lower guideway (36) and line slideway (37), described pick-up unit (A) integral body is fixed on upper backup pad (21), upper backup pad (21) is connected by carrying Jiao Dun (26) elasticity with upper rail (27), the smooth contact surface of upper rail (27) left and right sides, be slidably matched with the channel-section steel of lower guideway (36) left and right sides respectively, upper rail (27) is fixedly connected with line slideway (37) by bolt, to realize vertically moving of pick-up unit and bracing or strutting arrangement, guide piece (C) is bolted on ground.
2. according to claim 1 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
Be fixed with the motor support seat (20) that asynchronous machine (1) is installed, the torque sensor supporting seat (23) of mounting torque sensor (5) and the speed reduction unit supporting seat (24) of installation speed reduction unit (8) on described upper backup pad (21), described upper rail (27) is equipped with guide rail locking device (28), and the effect of guide rail locking device (28) is to realize bracing or strutting arrangement, pick-up unit fixing of any position in the vertical.
3. according to claim 1 and 2 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
Carrying Jiao Dun (26) on described upper backup pad (21) is six, and carrying Jiao Dun (26) is slidably matched with the circle carrying Jiao Dun hole (22) on upper backup pad (21); Be processed with 24 circular lightening holes (25) on described upper rail (27).
4. according to claim 1 and 2 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
be connected by torque sensor input shaft axle sleeve (4) between described electromagnetic slip clutch (2) and torque sensor (5), be connected by torque sensor output shaft axle sleeve (6) between torque sensor (5) and speed reduction unit (8), be connected by spline joint axle sleeve (9) between speed reduction unit (8) and application of force chuck (10), described asynchronous machine (1), electromagnetic slip clutch (2), torque sensor input shaft axle sleeve (4), torque sensor (5), torque sensor output shaft axle sleeve (6), speed reduction unit (8), all adopt key to connect between spline joint axle sleeve (9), spline joint axle sleeve (9) and application of force chuck (10) be connected to spline, described application of force chuck (10) is fixing by bolt and automobile brake disc (11).
5. according to claim 1 and 2 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
between torque sensor output shaft axle sleeve (6) and speed reduction unit (8), rotational speed sensor device is housed, described rotational speed sensor device is by speed probe (7), locating ring (17) and measure speed gears (18) form, described measure speed gears (18) is arranged on the input shaft of speed reduction unit (8) by key, locating ring (17) location is used in its left side, the shaft shoulder location of speed reduction unit (8) input shaft is used on right side, speed probe (7) by speed probe seat (19) be arranged on measure speed gears (18) under, its probe arrives the distance of measure speed gears (18) between 0.5mm-1.5mm, speed probe seat (19) is bolted on the sidewall of speed reduction unit (8).
6. according to claim 1 and 2 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
between electromagnetic slip clutch (2) and torque sensor input shaft axle sleeve (4), the demarcation locking device is housed, described demarcation locking device is by locked ring flange (12), locked axle sleeve (13) and lock ring (15) form, described locked ring flange (12) is fixed by the set bolt of electromagnetic slip clutch (2) right side bearing cap and the shell of electromagnetic slip clutch (2), locked axle sleeve (13) is fixing by gib screw (14) and locked ring flange (12), movement or the locked degree of tightness by control locked screw (16) of described lock ring (15) on torque sensor input shaft axle sleeve (4) realizes, the groove of four symmetries of locked axle sleeve (13) processing, the boss of four symmetries of lock ring (15) processing, mobile lock ring (15) makes described groove coordinate with described boss, the output shaft of locked electromagnetic slip clutch (2), demarcate, remove lock ring (15), then use locked screw (16) that lock ring (15) is fixing, detect.
7. according to claim 4 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
Spline joint mode between described spline joint axle sleeve (9) and application of force chuck (10), can carry out the fine setting of axial displacement in assembling process, jointly adjust position deviation with spline joint axle sleeve (9), the bolt hole of application of force chuck (10) all adopts strip hole, to adapt to the installation dimension of different automobile types automobile brake disc (11).
8. according to claim 1 and 2 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
described carrying Jiao Dun (26) is by guide finger (30), set bolt (31), upper fixed flange (32), lower fixed flange (33) and carrying rubber (34) form, fixed ring flange (32) is fixing by set bolt (31) and upper backup pad (21), lower fixed flange (33) is fixing by set bolt (31) and upper rail (27), guide finger (30) is fixedly connected with by screw thread with upper rail 27, the effect of guide finger (30) is to control carrying rubber (34) to produce the distortion of vertical direction, described carrying Jiao Dun (26) does to adjust up and down with load for the upper backup pad that is supported by it (21), to the heart, has simultaneously cushioning effect.
9. controllable torque accident vehicle braking forces measuring device according to claim 4 is characterized in that:
Carry out the fine setting of axial displacement by the spline joint mode between application of force chuck (10) and spline joint axle sleeve (9); The fine setting of length travel is carried out in cooperation by upper rail (27), lower guideway (36), line slideway (37); The fine setting of vertical direction displacement is carried out in cooperation by upper backup pad (21), carrying Jiao Dun (26), upper rail (27), thereby guarantees that application of force chuck (10) is concentric with automobile brake disc (11).
10. according to claim 1 a kind of based on controllable torque accident vehicle braking forces measuring device, it is characterized in that:
Described asynchronous machine (1) and electromagnetic slip clutch (2) mate and are configured to slip electric motor, exciting current in the electromagnetic slip clutch field coil is regulated the output torque of realizing slip electric motor to be controlled, moment of torsion is delivered to application of force chuck (10) through torque sensor (5) and speed reduction unit (8), is applied to finally automobile brake disc (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203611135U CN203287142U (en) | 2013-06-21 | 2013-06-21 | Torque-controllable traffic accident vehicle braking force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203611135U CN203287142U (en) | 2013-06-21 | 2013-06-21 | Torque-controllable traffic accident vehicle braking force detection device |
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| Publication Number | Publication Date |
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| CN203287142U true CN203287142U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203611135U Withdrawn - After Issue CN203287142U (en) | 2013-06-21 | 2013-06-21 | Torque-controllable traffic accident vehicle braking force detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308238A (en) * | 2013-06-21 | 2013-09-18 | 吉林大学 | Torque controllable accident vehicle braking force detecting device |
| CN115901204A (en) * | 2022-11-01 | 2023-04-04 | 齐齐哈尔大学 | Elevator stopper body detection tool |
-
2013
- 2013-06-21 CN CN2013203611135U patent/CN203287142U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308238A (en) * | 2013-06-21 | 2013-09-18 | 吉林大学 | Torque controllable accident vehicle braking force detecting device |
| CN103308238B (en) * | 2013-06-21 | 2015-10-07 | 吉林大学 | Controllable torque accident vehicle braking-force detecting device |
| CN115901204A (en) * | 2022-11-01 | 2023-04-04 | 齐齐哈尔大学 | Elevator stopper body detection tool |
| CN115901204B (en) * | 2022-11-01 | 2023-08-18 | 齐齐哈尔大学 | Elevator brake body detects tool |
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Granted publication date: 20131113 Effective date of abandoning: 20151007 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |