CN210690088U - Mass center double-freedom-degree adjustable collision test trolley with power - Google Patents
Mass center double-freedom-degree adjustable collision test trolley with power Download PDFInfo
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- CN210690088U CN210690088U CN201921657617.5U CN201921657617U CN210690088U CN 210690088 U CN210690088 U CN 210690088U CN 201921657617 U CN201921657617 U CN 201921657617U CN 210690088 U CN210690088 U CN 210690088U
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Abstract
The utility model relates to a two degree of freedom regulation formula of center of mass are from collision test platform truck of taking power, including car frame, braced truss, headwall bracing device, counter weight unit, observing and controlling unit, a power pack and No. two power packs etc.. The utility model discloses well collision test platform truck self takes driving system, can realize accelerating or slowing down self, collision test platform truck barycenter position can be adjusted at the horizontal and two vertical degrees of freedom of automobile body simultaneously, application scope has been enlarged, the mode that the headwall bracing device adopted the bracing to add half automobile body to support, greatly increased the rigidity of headwall bracing device, reduce the energy-absorbing of self structure, collision test platform truck has the system of testing the speed, cooperate with driving system, can realize the real-time control to the collision test platform truck speed of a motor vehicle, the accuracy of test data has been improved.
Description
Technical Field
The utility model belongs to rail vehicle bump test field relates to a two degree of freedom regulation formula of center of mass from bump test platform truck of taking power. More precisely, the utility model discloses well crash test platform truck self takes driving system, can realize accelerating or slowing down self, crash test platform truck barycenter position can be in the horizontal and two vertical degree of freedom adjustments of automobile body simultaneously, application scope has been enlarged, the mode that the headwall bracing device adopted the bracing to add half automobile body to support, greatly increased the rigidity of headwall bracing device, reduce the energy-absorbing of self structure, the crash test platform truck has the speed measuring system, cooperate with driving system, can realize the real-time control to the crash test platform truck speed of a motor vehicle, the accuracy of test data has been improved.
Background
The crash test trolley is the most direct and effective method for researching the rail vehicle crash, but the cost is high and the crash is dangerous when the real vehicle is adopted. The conventional method is that a car coupler buffer device, an anti-creeper, a crushing pipe, a structural energy absorption area, an end energy absorption system and the like are arranged on a collision test trolley, the test trolley is used for replacing a real car to carry out a test, and the collision performance of parts is researched. Because the trolley can be repeatedly used and is simple to process, the test cost and the risk are greatly reduced. The simple collision test trolley is placed on a bogie for collision test, the mass center position of the whole trolley is changed, the weight of the whole trolley cannot be adjusted, the trolley does not have good universality, and the mass center double-freedom-degree adjustable type collision test trolley with power is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two degree of freedom regulation formula of center of mass are from crash test platform truck of taking power to the not enough of current device.
The adjustable type collision test trolley with self-powered two-degree-of-freedom center of mass is characterized by mainly comprising a frame, a support truss, an end wall inclined strut device, a counterweight unit, a measurement and control unit, a power unit and a power unit II, wherein the frame is a basic framework of the collision test trolley and is provided with a plurality of groups of counterweight unit fixing plates, the counterweight unit fixing plates are provided with a plurality of rows of uniformly distributed bolt holes, the support truss is fixedly arranged on the frame, the front end of the support truss is connected with the end wall inclined strut device, the end wall inclined strut device is supported on the frame through an inclined strut of the end wall inclined strut device, the lower end of the end wall inclined strut device is fixedly arranged on the frame, the support truss is mainly used for improving the rigidity of the end wall inclined strut device, different tested elements can be arranged on the end wall inclined strut device, and the counterweight unit is fixedly arranged on the counterweight unit fixing plates on the frame, through the quantity and the position of adjustment counter weight unit, can realize that the barycenter of whole collision test platform truck is in horizontal and vertical two degree of freedom adjustment, observe and control unit fixed mounting is on the frame, is the measurement and control system of whole collision test platform truck, a power unit and No. two power units as the power unit of whole collision platform truck, it contains two sets of wheel pairs but not limited to two sets of wheel pairs, contains the wheel pair of driving in the collision test platform truck, but not only is limited to the wheel pair of driving, but need contain a set of wheel pair of driving at least, its equal fixed mounting on the frame, it is connected with observing and controlling the unit respectively, can realize the control of collision platform truck acceleration or braking.
The counter weight unit mainly comprises counter weight support, counter weight and fastening lead screw, counter weight support is whole counter weight unit's basic skeleton, and it is connected through the counter weight unit fixed plate in bolt and the frame, and its position is installed according to actual need, and counter weight fixed mounting is on counter weight support, and its quantity is installed according to actual need, and the fastening lead screw is used for fixed counter weight, and after counter weight installation, the lower extreme locks counter weight support and counter weight through fastening lead screw and bolt, prevents the loss of energy in the process of the test, prevents to take place accident simultaneously.
The measurement and control unit mainly comprises control box, tacho sensor and reflector, control box fixed mounting is on the frame, is the measurement and control center of whole test bench car, and tacho sensor fixed mounting cooperatees with the position of reflector in the wheel pair on the frame, the even fixed mounting of reflector on the wheel pair, mutually supports between tacho sensor and the reflector between the two, can realize testing the speed in real time to the collision test bench car.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the test trolley is provided with a power source and can realize the functions of acceleration or braking.
2. The position of the mass center of the crash test trolley can be adjusted in two degrees of freedom in the transverse direction and the longitudinal direction of the trolley body.
3. The end wall inclined strut device adopts a mode of adding a half car body to support an inclined strut, so that the rigidity of the end wall inclined strut device is greatly increased, and the test accuracy is improved.
4. The speed measuring system is matched with the power system, and can control the speed of the test trolley in real time.
Drawings
Fig. 1 is an axial projection view of a center-of-mass two-degree-of-freedom adjustable self-powered crash test trolley according to the present invention;
fig. 2 is a front projection view of the adjustable self-powered crash test trolley with two degrees of freedom of center of mass according to the present invention;
fig. 3 is an isometric projection view of the vehicle frame of the present invention;
fig. 4 is an isometric projection view of the counterweight unit of the present invention;
fig. 5 is a front projection view of the counterweight unit according to the present invention;
fig. 6 is an axonometric view of the counterweight support of the present invention;
fig. 7 is a front projection view of the measurement and control unit of the present invention;
fig. 8 is a front projection view of the center of mass of the adjustable self-powered crash test trolley with two degrees of freedom of the center of mass on the left side;
fig. 9 is a front projection view of the center of mass of the adjustable self-powered crash test trolley with two degrees of freedom according to the present invention on the right side;
fig. 10 is a front projection view of the center of mass of the adjustable self-powered crash test trolley with two degrees of freedom according to the present invention;
in the figure: 1. the vehicle comprises a vehicle frame, 2 parts of a supporting truss, 3 parts of an end wall inclined strut device, 4 parts of a counterweight unit, 5 parts of a power unit, 6 parts of a power unit, 7 parts of a counterweight unit fixing plate, 8 parts of a counterweight support, 9 parts of a counterweight, 10 parts of a fastening screw rod, 11 parts of a control box, 12 parts of a speed measuring sensor and 13 parts of a light reflecting sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which enable those skilled in the art to practice the invention with reference to the accompanying description.
Referring to fig. 1 to 3, the adjustable self-powered impact test trolley with two degrees of freedom of mass center is characterized by mainly comprising a frame 1, a support truss 2, an end wall diagonal bracing device 3, a counterweight unit 4, a measurement and control unit, a first power unit 5 and a second power unit 6, wherein the frame 1 is a basic framework of the impact test trolley, a plurality of groups of counterweight unit fixing plates 7 are arranged on the frame 1, a plurality of rows of uniformly distributed bolt holes are formed in the counterweight unit fixing plates 7, the support truss 2 is fixedly arranged on the frame 1, the front end of the support truss is connected with the end wall diagonal bracing device 3, the end wall diagonal bracing device 3 is supported on the frame 1 through the diagonal bracing of the end wall diagonal bracing device 3, the lower end of the support truss is fixedly arranged on the frame 1, the support truss 2 is mainly used for improving the rigidity of the end wall diagonal bracing device 3, and different tested elements can be arranged on the end wall diagonal bracing device 3, on counter weight unit 4 is according to actual need fixed mounting counter weight unit fixed plate 7 on frame 1, through the quantity and the position of adjustment counter weight unit 4, can realize the barycenter of whole collision test platform truck in horizontal and vertical two degree of freedom adjustment, observe and control unit fixed mounting is on frame 1, is the measurement and control system of whole collision test platform truck, power unit 5 and No. two power unit 6 as the power unit of whole collision platform truck, it contains two sets of wheel pairs but not limited to two sets of wheel pairs, contains the wheel pair that takes power in the collision test platform truck, but not only is limited to the wheel pair that takes power, but at least need contain a set of wheel pair that takes power, and it is all fixed mounting on frame 1, and it is connected with the unit of observing and controling respectively, can realize the control of collision platform truck acceleration or braking.
Referring to fig. 4 to 6, the counterweight unit 4 mainly comprises a counterweight support 8, counterweight 9 and a fastening screw 10, the counterweight support 8 is a basic framework of the whole counterweight unit 4, and is connected with a counterweight unit fixing plate 7 in the frame 1 through a bolt, the position of the counterweight support is installed according to actual needs, the counterweight 9 is fixedly installed on the counterweight support 8, the number of the counterweight support is installed according to actual needs, the fastening screw 10 is used for fixing the counterweight 9, after the counterweight is installed, the lower end locks the counterweight support 8 and the counterweight 9 through the fastening screw 10 and the bolt, energy loss in the test process is prevented, and accidents are prevented.
Referring to fig. 7, the measurement and control unit mainly comprises control box 11, speed sensor 12 and reflection of light 13, control box 11 fixed mounting is on frame 1, is the measurement and control center of whole test bench car, and speed sensor 12 fixed mounting cooperatees with the position of reflection of light piece 13 in the frame 1, and the even fixed mounting of reflection of light piece 13 is on the wheel pair, mutually supports between speed sensor 12 and the reflection of light piece 13 between the two, can realize measuring the speed in real time to the collision test bench car.
Referring to fig. 8 and 9, the two-degree-of-mass adjustable self-powered crash test trolley is a schematic diagram of the transverse movement of the trolley in the position of the centre of mass.
Referring to fig. 10, the schematic diagram of the center of mass position of the adjustable self-powered crash test trolley with two degrees of freedom moving in the longitudinal direction of the trolley is shown.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. A kind of quality centre two degrees of freedom adjusts the crash test trolley with power, including: the frame, a supporting truss arranged on the frame, an end wall inclined strut device, a counterweight unit, a measurement and control unit and a power unit,
the frame on be equipped with the counter weight unit fixed plate of multiunit area bolt hole, the headwall bracing device is connected with the bracing truss front end to bracing through self supports, install different tested components above the headwall bracing device, the mounted position of counter weight unit on the counter weight unit fixed plate is adjustable, and quantity and position through adjusting the counter weight unit realize that the barycenter of whole collision test platform truck is in horizontal and vertical two degree of freedom adjustment, the measurement and control unit is the measurement and control system of whole collision test platform truck, power unit includes wheel pair more than two sets of or two sets of, wherein at least one set of wheel pair for taking power to be connected with the measurement and control unit respectively, through the control of measurement and control unit to collision platform truck with higher speed or braking control.
2. The center-of-mass, two-degree-of-freedom, adjustable, self-powered crash test trolley according to claim 1, wherein the counterweight unit comprises: counterweight support, counterweight and fastening lead screw, counterweight support is connected through the counter weight unit fixed plate in bolt and the frame, and its mounted position is adjustable, counterweight is a plurality ofly, and fixed mounting is on counterweight support to it is fixed through the fastening lead screw, and counterweight's quantity is adjustable.
3. The adjustable self-powered collision test trolley with the two degrees of freedom of the center of mass according to claim 1, wherein the measurement and control unit mainly comprises a control box, a speed sensor and a reflective sheet, the control box is fixedly mounted on the frame and is a measurement and control center of the whole test trolley, the speed sensor is fixedly mounted on the frame and matched with the reflective sheet in the wheel set, the reflective sheet is uniformly and fixedly mounted on the wheel set, and the speed sensor and the reflective sheet are matched with each other, so that real-time speed measurement of the collision test trolley can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921657617.5U CN210690088U (en) | 2019-09-30 | 2019-09-30 | Mass center double-freedom-degree adjustable collision test trolley with power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921657617.5U CN210690088U (en) | 2019-09-30 | 2019-09-30 | Mass center double-freedom-degree adjustable collision test trolley with power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210690088U true CN210690088U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921657617.5U Expired - Fee Related CN210690088U (en) | 2019-09-30 | 2019-09-30 | Mass center double-freedom-degree adjustable collision test trolley with power |
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| CN (1) | CN210690088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553862A (en) * | 2019-09-30 | 2019-12-10 | 吉林大学 | Mass center double-freedom-degree adjustable collision test trolley with power |
-
2019
- 2019-09-30 CN CN201921657617.5U patent/CN210690088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553862A (en) * | 2019-09-30 | 2019-12-10 | 吉林大学 | Mass center double-freedom-degree adjustable collision test trolley with power |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 Termination date: 20200930 |