CN211954677U - Vehicle limiting device for vehicle dynamic bench test and vehicle dynamic test bench - Google Patents
Vehicle limiting device for vehicle dynamic bench test and vehicle dynamic test bench Download PDFInfo
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- CN211954677U CN211954677U CN202020249576.2U CN202020249576U CN211954677U CN 211954677 U CN211954677 U CN 211954677U CN 202020249576 U CN202020249576 U CN 202020249576U CN 211954677 U CN211954677 U CN 211954677U
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Abstract
The utility model discloses a vehicle limiting device and a vehicle dynamic test bench for vehicle dynamic bench test, wherein the vehicle limiting device consists of a fixed bracket mechanism, a spring telescopic mechanism, a bracket connecting mechanism and a rope connecting mechanism; one end of the spring telescopic mechanism is connected to the upper part of the fixed support mechanism in a swinging mode through the support connecting mechanism, and the spring telescopic mechanism is fixedly connected with the rope connecting mechanism; the rope connecting mechanism is connected with an axle of the test vehicle through a rope with hinged end parts to limit the test vehicle along the direction of the rope. The vehicle limiting devices are distributed on the front and rear axles of the vehicle dynamic test bench along the longitudinal direction and at six positions 45 degrees on the left side and the right side with the longitudinal direction as a symmetry axis. The utility model discloses can realize that the vehicle falls to the reliable spacing of vehicle on the rack, effectively improve experimental security.
Description
Technical Field
The utility model belongs to the technical field of vehicle bench test, be applicable to vehicle dynamic bench test, concretely relates to vehicle stop device and vehicle dynamic test bench for vehicle dynamic bench test.
Background
The whole vehicle road simulation test is an indoor test technology, and with the development of a control technology, a random theory and a computer, the whole vehicle road simulation test equipment is gradually improved. In recent years, the road simulation test has the advantages of no restriction of weather conditions, short test period, high precision of test results, good repeatability and controllability and the like, and is beneficial to improving the research and development quality and efficiency of products, so the test technology is more and more emphasized in the automobile engineering field and is also more and more widely applied by various large host factories.
In recent years, in automobile development, road simulation tests are increasingly carried out by utilizing indoor special test beds, and the problem of safety protection in the process of bench tests in the whole automobile room is accompanied. The tester discovers that because the vehicle is placed at the hydraulic servo actuator mesa through the tire contact, at the bench test in-process, the vehicle can be because vibration and produce drunkenness or skew about, and the vehicle will break away from the actuator mesa, and the drop test bench will appear, and cause the incident, so need stop device restriction vehicle skew to guarantee experimental safety.
Patent document 1(CN209214930U) discloses an automobile indoor road simulation test bed, in the technical scheme of the patent, a wheel stopper device is installed on an actuator table-board for safety protection, so that tires are seriously worn and even blown out in the test process, especially for heavy commercial vehicles with non-independent suspensions and plate spring structures, the tire jumping amount is large, the wheel stopper device is easily separated, the tires of the commercial vehicles are large, most rear wheels are provided with double tires, and the actuator table-board is small and difficult to realize;
patent document 2(CN209878332U) discloses a four-lane road simulation test bed tray; patent document 3 (CN206638427U) discloses a test stand for a vehicle road simulation test and a tray thereof; in the systems disclosed in patent documents 2 and 3, the tire limit protection is realized only by forming the arc-shaped groove on the surface of the tray, and although the abrasion of the tire is reduced, the problem that the tire is separated from the limit groove due to jumping still occurs, and a great potential safety hazard still exists.
Disclosure of Invention
To the defect among the above-mentioned prior art, the utility model provides a vehicle stop device and vehicle dynamic test rack for vehicle dynamic bench test to the realization is reliable spacing to the vehicle on the rack, avoids the vehicle to fall, effectively improves experimental security. With the attached drawings, the technical scheme of the utility model is as follows:
a vehicle limiting device for a vehicle dynamic bench test is composed of a fixed support mechanism 1, a spring telescopic mechanism 2, a support connecting mechanism 3 and a rope connecting mechanism 4;
one end of the spring telescopic mechanism 2 is connected to the upper part of the fixed support mechanism 1 in a swinging mode through a support connecting mechanism 3, and the spring telescopic mechanism 2 is fixedly connected with a rope connecting mechanism 4;
the rope connecting mechanism 4 is connected with an axle of the test vehicle through a rope with hinged end parts to limit the test vehicle along the direction of the rope.
Further, the spring telescopic mechanism 2 is composed of a sleeve 201, a pull rod 202, a first cover plate 203, a second cover plate 205, a spring tray 207 and a spiral spring 208;
the first cover plate 203 and the second cover plate 205 are respectively and fixedly arranged at two ends of the spring telescopic mechanism 2;
the outer end face of the first cover plate 203 is provided with an ear plate 204 which is used for connecting with the bracket connecting mechanism 3;
in the sleeve 201, a spring tray 207 is fixed at one end of a pull rod 202, the other end of the pull rod 202 passes through a second cover plate 205 to be connected with a rope connecting mechanism 4, a spiral spring 208 is sleeved on the pull rod 202, and two ends of the spiral spring 208 are respectively connected to the spring tray 207 and the second cover plate 205;
under the pulling of the pull rod 202, the spring tray 207 presses the coil spring 208 to elastically expand and contract.
Furthermore, the end of the pull rod 202 is connected with a limit nut 206 through threads to limit the spring tray 207, or the spring tray 207 is directly connected with the end of the pull rod 202 through threads;
further, the fixed bracket mechanism 1 is composed of a fixed bottom plate 101, a supporting upright post 102, a supporting oblique beam 103 and a pressing plate fixing component 104;
the fixed bottom plate 101 is arranged on the iron floor through a pressure plate fixing component 104;
the supporting upright posts 102 are vertically fixed on the fixed bottom plate 101, and the supporting oblique beams 103 are fixed between the fixed bottom plate 101 and the supporting upright posts 102.
Further, a row of mounting holes 105 penetrating the support post 102 is formed along the length direction of the support post 102 at the connection region of the upper portion of the support post 102.
Further, the bracket connection mechanism 3 is composed of a fastening nut 301, a gasket 302, a double-headed screw 303, a cross hinge frame 305, a first connection pin 306 and a second connection pin 307;
the double-end screw 303 penetrates through the fixed support mechanism 1 and is fixed through a fastening nut 301 and a gasket 302;
the end of the double-headed screw 303 is provided with a flat connector 304 hinged to one end of a cross-shaped hinged frame 305 through a first connecting pin 306, and the other end of the cross-shaped hinged frame 305 is hinged to the spring telescopic mechanism 2 through a second connecting pin 307, so that the spring telescopic mechanism 2 can swing up and down or left and right relative to the fixed support mechanism 1.
Further, the rope connecting mechanism 4 is composed of a rope connecting frame 401, a pulley bracket 402, a pulley pin 403, a pulley 404 and a rope;
one end of the rope connecting frame 401 is fixedly connected with the spring telescopic mechanism 2;
the pulley bracket 402 is fixedly arranged at the other end of the rope connecting frame 401, and the pulley 404 is supported and installed on the pulley bracket 402 through a pulley pin shaft 403;
the rope is connected to a pulley 404.
Further, the cable is fixed by a cable clamp after passing through the spokes of the pulley 404.
Further, the rope is a steel rope 406.
A vehicle dynamic test bench comprises a vehicle limiting device for vehicle dynamic bench test;
the vehicle limiting device for the vehicle dynamic bench test is provided with six, which are respectively positioned: the mounting device comprises a first mounting position A right in front of a vehicle, a second mounting position B right in front of the vehicle and forming an angle of 45 degrees with a longitudinal axis of the vehicle, a third mounting position C left in front of the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle, a fourth mounting position D right behind the vehicle, a fifth mounting position E right behind the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle, and a sixth mounting position F left behind the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle;
the first installation position A, the second installation position B and the third installation position C are located on the same straight line parallel to the front axle, the fourth installation position D, the fifth installation position E and the sixth installation position F are located on the same straight line parallel to the rear axle, and the first installation position A and the fourth installation position D are symmetrical in front and back relative to the center of the vehicle.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. vehicle stop device is connected through the axle position of rope with the vehicle, realizes spacing to the vehicle, avoids carrying out the wearing and tearing problem of spacing appearance from vehicle tire position.
2. Vehicle stop device sets up spring telescopic machanism has protected the experimental safety of vehicle on the one hand, and on the other hand can guarantee through the flexible design of spring that the rope is not broken at vehicle-mounted dynamic variation in-process again.
3. Open on the fixed bolster among the vehicle stop device in vertical direction has a plurality of mounting holes, can satisfy the different mounting height of rope, and then realize the spacing protect function to the vehicle in co-altitude axle place.
4. Vehicle stop device installation is nimble convenient, can satisfy the bench test safety protection demand of various motorcycle types according to different model vehicle adjustment installation limit position, possesses nimble, convenient characteristics.
5. Vehicle dynamic test rack is through around the vehicle axle respectively along vertical, use vertically to arrange totally six vehicle stop device for each 45 degrees position of the side about the symmetry axis, can effectively restrict the vehicle and slide, spacing more reliable, the security is higher.
Drawings
Fig. 1 is a schematic overall structure diagram of a vehicle limiting device for a vehicle dynamic bench test according to the present invention;
fig. 2 is a schematic structural view of a fixed bracket mechanism in the vehicle limiting device of the present invention;
fig. 3 is a schematic view of an external structure of a spring retractable mechanism in the vehicle limiting device of the present invention;
fig. 4 is a schematic view of the internal structure of the spring retractable mechanism in the vehicle stop device according to the present invention;
fig. 5 is a schematic structural view of a bracket connection mechanism in the vehicle limiting device according to the present invention;
fig. 6 is a schematic structural view of a rope connecting mechanism (without a rope) in the vehicle limiting device according to the present invention;
fig. 7 is a schematic structural diagram of a rope connecting mechanism (including a rope) in the vehicle limiting device according to the present invention;
fig. 8 is the utility model discloses in the vehicle dynamic test rack, vehicle stop device's distribution schematic diagram.
In the figure:
1-a fixed support mechanism, 2-a spring telescopic mechanism, 3-a support connecting mechanism and 4-a rope connecting mechanism;
101-fixed bottom plate, 102-supporting upright post, 103-supporting oblique beam, 104-pressing plate fixing component,
105-mounting holes;
201-sleeve, 202-tie rod, 203-first cover plate, 204-ear plate,
205-second cover plate, 206-limit nut, 207-spring tray, 208-coil spring;
301-fastening nut, 302-spacer, 303-double-threaded screw, 304-flat connector,
305-a cross-shaped hinged frame, 306-a first connecting pin, 307-a second connecting pin;
401-rope connection frame, 402-pulley support, 403-pulley pin shaft, 404-pulley,
405-wire rope chuck, 406-wire rope.
A-a first mounting position, B-a second mounting position, C-a third mounting position, D-a fourth mounting position,
e-a fifth mounting position, F-a sixth mounting position;
i-wheel, II-actuator table-board, III-axle.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
as shown in fig. 1, the utility model provides a vehicle position-limiting device for vehicle dynamic bench test, which comprises a fixed bracket mechanism 1, a spring telescopic mechanism 2, a bracket connecting mechanism 3 and a rope connecting mechanism 4; the fixed support 1 is vertically installed on the iron floor, one end of the spring telescopic mechanism 2 is installed on the upper portion of the fixed support 1 through the support connecting mechanism 3, the other end of the spring telescopic mechanism 2 is provided with the rope connecting mechanism 4, and the rope connecting mechanism 4 is connected with the axle position of the vehicle through a rope, so that the vehicle is tensioned and limited in the rope direction.
The vehicle limiting device is characterized in that the components and the connection relation of the components are as follows:
as shown in fig. 2, the fixed bracket mechanism 1 is composed of a fixed base plate 101, a supporting upright 102, a supporting oblique beam 103 and a pressing plate fixing component 104.
The fixed base plate 101 serves as a base of the whole fixed support mechanism 1 and is fixedly installed on an iron floor through the pressing plate fixing component 104, one end of the pressing plate is pressed and installed at the edge of the fixed base plate 101 in the pressing plate fixing component 104, the other end of the pressing plate is pressed and installed on the iron floor, the fixing bolt penetrates through a connecting hole in the middle of the pressing plate and is in threaded connection with a linear connecting groove in the iron floor, the fixed base plate 101 is pressed and installed on the iron floor, the installation position of the fixed base plate 101 on the iron floor is achieved through the pressing plate fixing component 104 which is disassembled and assembled, the installation position of the whole fixed support mechanism 1 on the iron floor is adjusted, and flexible arrangement of the vehicle limiting devices on the test bed is.
The supporting upright columns 102 are vertically welded and fixed on the upper surface of the fixed base plate 101, the supporting oblique beams 103 are obliquely arranged between the fixed base plate 101 and the supporting upright columns 102, two ends of each supporting oblique beam are respectively welded and fixed with the upper surface of the fixed base plate 101 and the side surface of the middle of each supporting upright column 102, a row of mounting holes 105 penetrating through the supporting upright columns 102 are formed in the connecting area of the upper portions of the supporting upright columns 102 along the length direction of the supporting upright columns 102, the mounting holes 105 are used for mounting the support connecting mechanisms 3, and the support connecting mechanisms 3 are mounted through selecting the mounting holes in different height positions on the supporting upright columns 102 so as to adapt to limiting and tensioning of vehicles with.
As shown in fig. 3 and 4, the spring retracting mechanism 2 is composed of a sleeve 201, a pull rod 202, a first cover plate 203, an ear plate 204, a second cover plate 205, a limit nut 206, a spring tray 207 and a coil spring 208.
The sleeve 201 is used as a shell of the spring telescopic mechanism 2, and is in a thin-wall cylinder shape with two open ends, and two ends of the sleeve 201 are both provided with internal threads; the first cover plate 203 is positioned at one end of the sleeve 201, external threads are processed on the side surface of the outer circumference of the first cover plate 203, and the first cover plate 203 is in threaded connection with one end of the sleeve 201 to seal one end of the sleeve 201; the ear plates 204 are fixed on the outer end face of the first cover plate in pairs, and the ear plates 204 are provided with connecting holes for hinging with the bracket connecting mechanism 3; the second cover plate 205 is located at the other end of the sleeve 201, external threads are also processed on the outer circumferential side surface of the second cover plate 205, the second cover plate 205 is in threaded connection with one end of the sleeve 201 to seal one end of the sleeve 201, and the second cover plate 205 is provided with a circular through hole for the pull rod 202 to pass through;
the spiral spring 208 is positioned in the sleeve 201 and sleeved on the pull rod 202; the pull rod 202 is a double-thread pull rod, and external threads are processed at both ends of the pull rod 202; the spring tray 207 is sleeved at one end of the pull rod 202; two ends of the spiral spring 208 are pressed and installed on the spring tray 207 and the second cover plate 205; one end face of one side of the spring tray 207 is pressed against the spiral spring 208, the limiting nut 206 is in threaded connection with the external thread end of the pull rod 202 at one end of the spring tray 207, and under the action of elastic pressure of the spiral spring 208, the other end face of the spring tray 207 is pressed against the limiting nut 206, so that axial limiting of the spring tray 207 is realized; in addition, in order to make an axial position limitation of the spring tray 207 more reliable, an internal thread can be processed on the circumferential wall of the inner side of the central hole of the spring tray 207, so that the spring tray 207 is fixedly connected with the external thread of the corresponding end of the pull rod 202; the other end of the pull rod 202 is externally threaded for connection with the rope connection mechanism 4.
In the above spring telescopic mechanism 2, one end of the pull rod 202 connected to the rope connecting mechanism 4 is pulled or released, and the second cover plate 205 is fixed on the sleeve 201, so the other end of the pull rod 202 passes through the limit nut or directly drives the spring tray 207 to slide axially along the sleeve 201, and further extrudes or releases the coil spring 208, so that the spring telescopic mechanism 2 elastically stretches along the axial direction, and the rope is prevented from being pulled apart along with the dynamic change of the vehicle.
As shown in fig. 5, the bracket connection mechanism 3 is composed of a fastening nut 301, a washer 302, a double-headed screw 303, a flat connector 304, a cross hinge bracket 305, a first connection pin 306, and a second connection pin 307.
The double-end screw 303 penetrates through a connecting hole 105 which is horizontally penetrated through the upper part of the supporting upright post 102, and two ends of the double-end screw 303 are fixedly connected to the supporting upright post 102 through a group of fastening nuts 301 and a gasket 302 respectively; the flat connector 304 and the double-threaded screw 303 are of a coaxial integrated structure, and the outer circle size of the flat connector 304 is smaller than that of the double-threaded screw 303, so that the fastening nut 301 and the gasket 302 which are matched with one corresponding end of the double-threaded screw 303 are quickly and accurately in threaded connection with the double-threaded screw 303; pin holes are formed in two sides of the end part of the flat connector 304; one end of the cross-shaped hinged frame 305 is of a U-shaped fork structure and is hinged with the flat connector 304 through a first connecting pin 306, so that the cross-shaped hinged frame 305 swings up and down; the other end of the cross-shaped hinge frame 305 is provided with a pin hole and is hinged with the ear plate 204 through a second connecting pin 307, so that the ear plate 204 swings left and right; under the connection of the cross-shaped hinge frame 305, the spring telescopic mechanism 2 swings up and down and left and right relative to the support upright 102.
As shown in fig. 6 and 7, the rope connecting mechanism 4 is composed of a rope connecting frame 401, a pulley bracket 402, a pulley pin 403, a pulley 404, a wire rope chuck 405, and a wire rope 406.
One end of the rope connecting frame 401 is of a sleeve structure, internal threads are processed on the inner side wall of the rope connecting frame 401, and the end of the rope connecting frame 401 is in threaded connection with the end part of the pull rod 202 penetrating out of the sleeve 201; the other end of the rope connecting frame 401 is of a U-shaped frame structure, the pulley 404 is supported and mounted at the U-shaped frame end of the rope connecting frame 401 through a pulley pin shaft 403, and the axial direction of the pulley 404 is mutually vertical to the pull rod 202 in the horizontal direction; one end of the steel wire rope 406 passes through the spoke of the pulley 404 and then is fastened and fixed through a steel wire rope clamping head 405, so that the end part of the steel wire rope 406 can swing up and down along with the rotation of the pulley 404; the other end of the steel wire rope 406 is connected with an axle of a vehicle on the test bed so as to limit the vehicle along the direction of the steel wire rope 406.
In addition, the cable 406 may be replaced with other similar cords.
The utility model also provides a vehicle dynamic test rack, in the test rack, wire rope 406 through six above-mentioned vehicle stop device links to each other with the vehicle axle that awaits measuring, realizes spacing on the test rack with the vehicle that awaits measuring.
As shown in fig. 8, four wheels i of the vehicle are respectively arranged on the actuator table surface ii, and six vehicle limiting devices are respectively arranged on: the front mounting position of the front of the vehicle is A, the right front of the vehicle is B, C, D, C and C are F, C and C are E, E and F, are on the same straight line parallel to the front axle, D, E and F are on the same straight line parallel to the rear axle, and A and D are symmetrical about the central transverse axis of the vehicle.
Claims (10)
1. The utility model provides a vehicle stop device for vehicle dynamic bench test which characterized in that:
the device consists of a fixed support mechanism (1), a spring telescopic mechanism (2), a support connecting mechanism (3) and a rope connecting mechanism (4);
one end of the spring telescopic mechanism (2) is connected to the upper part of the fixed support mechanism (1) in a swinging mode through a support connecting mechanism (3), and the spring telescopic mechanism (2) is fixedly connected with the rope connecting mechanism (4);
the rope connecting mechanism (4) is connected with an axle of the test vehicle through a rope with hinged end parts to limit the test vehicle along the direction of the rope.
2. The vehicle restraint device for vehicle dynamic bench testing as claimed in claim 1, wherein:
the spring telescoping mechanism (2) consists of a sleeve (201), a pull rod (202), a first cover plate (203), a second cover plate (205), a spring tray (207) and a spiral spring (208);
the first cover plate (203) and the second cover plate (205) are respectively and fixedly arranged at two ends of the spring telescopic mechanism (2);
the outer end face of the first cover plate (203) is provided with an ear plate (204) which is used for connecting with the bracket connecting mechanism (3);
in the sleeve (201), a spring tray (207) is fixed at one end of a pull rod (202), the other end of the pull rod (202) penetrates through a second cover plate (205) to be connected with a rope connecting mechanism (4), a spiral spring (208) is sleeved on the pull rod (202), and two ends of the spiral spring (208) are respectively connected to the spring tray (207) and the second cover plate (205);
under the pulling of the pull rod (202), the spring tray (207) presses the spiral spring (208) to realize elastic expansion and contraction.
3. The vehicle restraining device for vehicle dynamic bench testing as claimed in claim 2, wherein:
the end part of the pull rod (202) is connected with a limit nut (206) through threads to limit the spring tray (207), or the spring tray (207) is directly connected with the end part of the pull rod (202) through threads.
4. The vehicle restraint device for vehicle dynamic bench testing as claimed in claim 1, wherein:
the fixed support mechanism (1) consists of a fixed bottom plate (101), a supporting upright post (102), a supporting oblique beam (103) and a pressing plate fixing component (104);
the fixed bottom plate (101) is arranged on the iron floor through a pressure plate fixing component (104);
the supporting upright posts (102) are vertically fixed on the fixed bottom plate (101), and the supporting oblique beams (103) are fixed between the fixed bottom plate (101) and the supporting upright posts (102).
5. The vehicle restraining device for vehicle dynamic bench testing as claimed in claim 4, wherein:
a row of mounting holes (105) penetrating through the support upright post (102) are arranged in the connecting area of the upper part of the support upright post (102) along the length direction of the support upright post (102).
6. The vehicle restraint device for vehicle dynamic bench testing as claimed in claim 1, wherein:
the support connecting mechanism (3) consists of a fastening nut (301), a gasket (302), a double-end screw (303), a cross hinged frame (305), a first connecting pin (306) and a second connecting pin (307);
the double-end screw (303) penetrates through the fixed support mechanism (1) and is fixed through a fastening nut (301) and a gasket (302);
the end part of the double-end screw rod (303) is provided with a flat connector (304) which is hinged with one end of a cross-shaped hinged frame (305) through a first connecting pin (306), the other end of the cross-shaped hinged frame (305) is hinged with a spring telescopic mechanism (2) through a second connecting pin (307), and the spring telescopic mechanism (2) can swing up and down or left and right relative to the fixed support mechanism (1).
7. The vehicle restraint device for vehicle dynamic bench testing as claimed in claim 1, wherein:
the rope connecting mechanism (4) consists of a rope connecting frame (401), a pulley bracket (402), a pulley pin shaft (403), a pulley (404) and a rope;
one end of the rope connecting frame (401) is fixedly connected with the spring telescopic mechanism (2);
the pulley bracket (402) is fixedly arranged at the other end of the rope connecting frame (401), and the pulley (404) is supported and installed on the pulley bracket (402) through a pulley pin shaft (403);
the rope is connected to a pulley (404).
8. The vehicle restraint device for vehicle dynamic bench testing as claimed in claim 7, wherein:
the rope passes through the spoke of the pulley (404) and then is fixed by a rope chuck.
9. The vehicle restraining device for vehicle dynamic bench test as claimed in claim 7 or 8, wherein:
the rope is a steel wire rope (406).
10. The utility model provides a vehicle dynamic test bench which characterized in that:
comprising a vehicle restraining device for vehicle dynamic bench testing as claimed in any one of claims 1 to 8;
the vehicle limiting device for the vehicle dynamic bench test is provided with six, which are respectively positioned: the mounting device comprises a first mounting position (A) right in front of a vehicle, a second mounting position (B) right in front of the vehicle and forming an angle of 45 degrees with a longitudinal axis of the vehicle, a third mounting position (C) left in front of the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle, a fourth mounting position (D) right behind the vehicle, a fifth mounting position (E) right behind the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle, and a sixth mounting position (F) left behind the vehicle and forming an angle of 45 degrees with the longitudinal axis of the vehicle;
the first mounting position (A), the second mounting position (B) and the third mounting position (C) are located on the same straight line parallel to the front axle, the fourth mounting position (D), the fifth mounting position (E) and the sixth mounting position (F) are located on the same straight line parallel to the rear axle, and the first mounting position (A) and the fourth mounting position (D) are symmetrical front and back with respect to the center of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249576.2U CN211954677U (en) | 2020-03-04 | 2020-03-04 | Vehicle limiting device for vehicle dynamic bench test and vehicle dynamic test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249576.2U CN211954677U (en) | 2020-03-04 | 2020-03-04 | Vehicle limiting device for vehicle dynamic bench test and vehicle dynamic test bench |
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| Publication Number | Publication Date |
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| CN211954677U true CN211954677U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020249576.2U Active CN211954677U (en) | 2020-03-04 | 2020-03-04 | Vehicle limiting device for vehicle dynamic bench test and vehicle dynamic test bench |
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| Country | Link |
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| CN (1) | CN211954677U (en) |
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2020
- 2020-03-04 CN CN202020249576.2U patent/CN211954677U/en active Active
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