CN201476973U - Movable trolley braking control system for automobile bump test - Google Patents
Movable trolley braking control system for automobile bump test Download PDFInfo
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- CN201476973U CN201476973U CN2009202276398U CN200920227639U CN201476973U CN 201476973 U CN201476973 U CN 201476973U CN 2009202276398 U CN2009202276398 U CN 2009202276398U CN 200920227639 U CN200920227639 U CN 200920227639U CN 201476973 U CN201476973 U CN 201476973U
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Abstract
The utility model relates to a movable trolley braking control system for an automobile bump test. The movable trolley is provided with a trigger control system, an actuating device, a hydraulic braking force distribution system and an energy accumulating system, wherein the actuating device is controlled by the trigger control device; the hydraulic braking force distribution system is arranged on the actuating device; the energy accumulating system provides dynamic force to the actuating device; and the actuating device consists of a cylinder, a transition joint and a braking main pump. One end of the transition joint is connected with the output shaft of the cylinder, and the other end thereof is connected with the braking main pump. A solenoid valve used for control the on and off of the gas passage of the cylinder is arranged in the trigger control system. The energy accumulating system is connected with the inlet and the outlet of the cylinder. The braking main pump is connected with the hydraulic braking force distribution system. The energy accumulating system provides the dynamic force to the actuating system, the trigger control system controls the actuating opportunities of the actuating system, the actuating system drives the hydraulic braking force distribution system to distribute the braking force to the four movable wheels of the movable trolley, and then the movable trolley is braked, and the trolley can stop within the limited distance after completing bump, and avoid generating secondary bump to affect the test.
Description
Technical field
The utility model relates to a kind of braking control system of vehicle impact testing chassis, especially the mobile trolley used braking control system of automobile tail impact test and side collision test.
Background technology
Vehicle impact testing is divided into two big class, simulation test and real train tests.From reducing cost, conveniently certain special project is carried out replica test, people for a change experimental situation or the like need set out, and often adopts simulation experiment method.For example chassis, bench test, the simulation automobile collision accident is tested on testing table.And full scale vehicle collision is to collide with real car integral body, and this test method can truly reflect the overall target of car crass, is that simulation test can not replace.Full scale vehicle collision has a variety of modes, for example: the fixation wall impact test: will test with automobile and accelerate to certain speed, and use vertical with fixation wall or angled direction to collide then.Moving end-wall impact test:, accelerate to the quilt that clashes under the stationary state behind the certain speed and test automobile in mobile trolley used front loading impact walls.Be usually used in the collision of side collision and afterbody.
Mobile trolley used system mainly is the collision stage truck system according to standard development.It is not a car truly, is simulation car approximate with a dolly on overall dimensions, quality and mass distribution, and its front end is an impact walls, and during impact test, the impact walls part contacts with real vehicle and bumps.Mobile trolley used itself do not have power system and a control system, secondary collision easily takes place when carrying out side impact, rear end collision test, thereby influence test effect.
Summary of the invention
The purpose of this utility model is in order to solve the mobile trolley used deficiency that secondary collision easily takes place when carrying out side impact, rear end collision test, provide a kind of can making mobile trolley usedly can in limited distance, stop after finishing side impact, rear end collision test, the mobile trolley used braking control system of vehicle impact testing of secondary collision can not take place.
For achieving the above object, the utility model provides following technical scheme:
The mobile trolley used braking control system of a kind of vehicle impact testing, include mobile trolley used, it is characterized in that the mobile trolley used triggering control system that is provided with, by the actuating unit that triggers control system control, the energy-storage system that is located at the hydraulic braking force distribution system on the actuating unit and power is provided for actuating unit, wherein actuating unit is by cylinder, the transition connector, brake main pump constitutes, one end of transition connector is connected the cylinder output shaft, the other end connects brake main pump, trigger the solenoid valve that is provided with the control cylinder gas path on-off in the control system, energy-storage system and cylinder input, delivery outlet links to each other, and brake main pump links to each other with the hydraulic braking force distribution system.
The mobile trolley used braking control system of vehicle impact testing described in the utility model, its feature is that also described triggering control system comprises that banded trigger switch, the time relay, solenoid valve cylinders retract coil, solenoid valve cylinder stretch out coil, battery, solenoid valve cylinders retract coil and stretch out coil and be installed in the solenoid valve; Trigger switch is fixed on the impact walls surface of mobile trolley used front end, when collision takes place, send control signal and give the time relay, the time relay outputs signal to solenoid valve later in default time-delay, the switching of the input gas circuit of solenoid control cylinder and output gas circuit, thereby the stretching out and withdraw of control cylinder.
The mobile trolley used braking control system of vehicle impact testing described in the utility model, its feature is that also described energy-storage system comprises retaining valve, gas-holder, filtering pressure reducing valve, flow speed control valve, retaining valve is installed in the input port of gas-holder, filtering pressure reducing valve is installed in the gas-holder delivery outlet, and two flow speed control valves are installed in the input port and the delivery outlet of cylinder respectively.
The mobile trolley used braking control system of vehicle impact testing described in the utility model, its feature is that also described hydraulic braking force distribution system comprises brake main pump, back up pad, hydraulic pressure oil can, brake piping, threeway and brake cylinder, the braking oil can is installed on the brake main pump, for brake main pump provides brake fluid, brake main pump is fixed on the back up pad; Brake pipe is connected respectively to the preceding delivery outlet and the back delivery outlet of brake main pump, front and back two-way brake piping is after threeway distributes, provide the brake fluid path to mobile trolley used preceding left and right sides brake cylinder and the left and right sides, back brake cylinder respectively, four brake cylinders are installed in respectively in four mobile trolley used mobile wheels.
The utility model is made of triggering control system, energy-storage system, topworks, hydraulic braking force distribution system, energy-storage system provides power for topworks, trigger the execution opportunity of control system control executing mechanism, topworks promotes four the mobile wheel assignment system power of hydraulic braking force distribution system to the moving disorder wall, to mobile trolley used enforcement braking.The utility model can provide braking control for mobile trolley used, can stop in limited distance after allowing chassis finish collision, has avoided the generation of secondary collision, and warranty test carries out, thereby reaches goal of the invention of the present utility model.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Fig. 1 is the theory diagram of the utility model structure;
Fig. 2 is topworks and hydraulic braking force distribution system synoptic diagram;
Fig. 3 is the control system synoptic diagram;
Fig. 4 is the energy-storage system synoptic diagram.
Embodiment
Among the figure 1, cylinder, 2, the transition connector, 3, main pump initiatively, 4, back up pad, 5, the hydraulic pressure oil can, 6, pipeline delivery outlet before the braking, 7, braking back pipeline delivery outlet, 8, brake piping, 9, threeway, 10, brake cylinder, 11, cylinder output gas circuit mouth, 12, cylinder input gas circuit mouth, 13, retaining valve, 14, gas-holder, 15, filtering pressure reducing valve, 16, solenoid valve, 17, flow speed control valve, 18, sound suppressor, 19, trigger banded switch, 20, the time relay, 21, battery, 161, solenoid valve cylinders retract coil, 162, the solenoid valve cylinder stretches out coil.
As shown in Figure 1, be theory diagram of the present utility model, comprise and trigger control system, energy-storage system, topworks, hydraulic braking force distribution system, energy-storage system provides power for topworks, trigger the execution opportunity of control system control executing mechanism, topworks promotes the hydraulic braking force distribution system to four mobile trolley used mobile wheel assignment system power, thereby to mobile trolley used enforcement braking.
As shown in Figure 2, topworks and hydraulic braking force distribution system comprise cylinder 1, transition connector 2, brake main pump 3, hydraulic pressure oil can 5, brake piping 8, threeway 9 and brake cylinder 10, one end of transition connector 2 is connected the output shaft of cylinder 1, the other end connects brake main pump 3, braking oil can 5 is installed on the brake main pump 3, for brake main pump 3 provides brake fluid; Brake piping 8 is connected to the preceding pipeline delivery outlet 6 of braking and the braking back pipeline delivery outlet 7 of brake main pump 3, front and back two-way brake piping after threeway 9 distributes, provides the brake fluid path to mobile trolley used preceding left and right sides brake cylinder 10 and the left and right sides, back brake cylinder 10 respectively respectively.4 is back up pad, and 11 are cylinder output gas circuit mouth, and 12 are cylinder input gas circuit mouth.
As shown in Figure 3, trigger control system and comprise that banded trigger switch 19, the time relay 20, solenoid valve cylinders retract coil 161, solenoid valve cylinder stretch out coil 162, battery 21, solenoid valve cylinders retract coil 161 and stretch out coil 162 and be installed in the solenoid valve; Trigger switch 19 is fixed on the impact walls surface of mobile trolley used front end, when collision takes place, send control signal and give the time relay 20, the time relay 20 stretches out coil 162 at the solenoid valve cylinder that default time-delay outputs signal to solenoid valve later, pressurized air enters the input gas circuit of cylinder, cylinder rod stretches out and promotes brake main pump to the mobile trolley used damping force that applies, after the given time, the time relay 20 outputs signal to the solenoid valve cylinders retract coil 161 of solenoid valve, pressurized air enters the output gas circuit of cylinder, the cylinder rod withdrawal, brake fluid backflow hydraulic pressure oil can pressure release in the brake main pump, the damping force of applying for mobile trolley used mobile wheel is removed.
As shown in Figure 4, energy-storage system comprises retaining valve 13, gas-holder 14, filtering pressure reducing valve 15, flow speed control valve 17, retaining valve 13 is installed in the input port of gas-holder 14, filtering pressure reducing valve 15 is installed in gas-holder 14 delivery outlets, two flow speed control valves 17 are installed in the input port 12 and the delivery outlet 11 of cylinder respectively, adjusting enters the velocity of compressed air of cylinder 1, thus the responsiveness of control cylinder bar.16 is solenoid valve, and 18 is sound suppressor.
Principle of work of the present utility model is: before the test, pressurized air enters gas-holder 14 through retaining valve 13, reduction valve 15 arrives solenoid valve 16 after filtration again, this moment, banded trigger switch 19 did not trigger, the time relay 20 outputs signal to solenoid valve cylinders retract coil 161, pressurized air enters the delivery outlet 11 of cylinder, and cylinder rod is in retracted mode; After mobile trolley used front end and collision happens, banded trigger switch 19 triggers, the time relay 20 outputs signal to the solenoid valve cylinder and stretches out coil 162 after the time-delay of setting, pressurized air is entered the input port 12 of cylinder, cylinder rod stretches out and promotes brake main pump 3, so high hydraulic brake fluid is through the preceding delivery outlet 6 and the back delivery outlet 7 of brake main pump 3, and process threeway 9 provides the hydraulic oil of high pressure for respectively the brake cylinders 10 that are installed on mobile trolley used four mobile wheels, produce braking, force and mobile trolley usedly in limited distance, stop.
Claims (4)
1. mobile trolley used braking control system of vehicle impact testing, include mobile trolley used, it is characterized in that: the mobile trolley used triggering control system that is provided with, by the actuating unit that triggers control system control, the energy-storage system that is located at the hydraulic braking force distribution system on the actuating unit and power is provided for actuating unit, wherein actuating unit is by cylinder (1), transition connector (2), brake main pump (3) constitutes, one end of transition connector (2) is connected cylinder (1) output shaft, the other end connects brake main pump (3), trigger the solenoid valve (16) that is provided with control cylinder (1) gas path on-off in the control system, energy-storage system and cylinder (1) input, delivery outlet links to each other, and brake main pump (3) links to each other with the hydraulic braking force distribution system.
2. the mobile trolley used braking control system of vehicle impact testing according to claim 1, it is characterized in that: described triggering control system comprises that banded trigger switch (19), the time relay (20), solenoid valve cylinders retract coil (161), solenoid valve cylinder stretch out coil (162), battery (21), solenoid valve cylinders retract coil (161) and stretch out coil (162) and be installed in the solenoid valve (16); Trigger switch (19) is fixed on the impact walls surface of mobile trolley used front end.
3. the mobile trolley used braking control system of vehicle impact testing according to claim 1, it is characterized in that: described energy-storage system comprises retaining valve (13), gas-holder (14), filtering pressure reducing valve (15), flow speed control valve (17), retaining valve (13) is installed in the input port of gas-holder (14), filtering pressure reducing valve (15) is installed in gas-holder (14) delivery outlet, and two flow speed control valves (17) are installed in the input port (12) and the delivery outlet (11) of cylinder respectively.
4. the mobile trolley used braking control system of vehicle impact testing according to claim 1, it is characterized in that: described hydraulic braking force distribution system comprises brake main pump (3), back up pad (4), hydraulic pressure oil can (5), brake piping (8), threeway (9) and brake cylinder (10), braking oil can (5) is installed on the brake main pump (3), and brake main pump (3) is fixed on the back up pad (4); Brake piping (8) is connected to the preceding pipeline delivery outlet (6) of braking and the braking back pipeline delivery outlet (7) of brake main pump (3), before and after two-way brake pipings (8) link to each other with mobile trolley used preceding left and right sides brake cylinder (10) and back left and right sides brake cylinder (10) through threeway (9) respectively, four brake cylinders (10) are installed in respectively in four mobile trolley used mobile wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202276398U CN201476973U (en) | 2009-08-22 | 2009-08-22 | Movable trolley braking control system for automobile bump test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202276398U CN201476973U (en) | 2009-08-22 | 2009-08-22 | Movable trolley braking control system for automobile bump test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476973U true CN201476973U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202276398U Expired - Fee Related CN201476973U (en) | 2009-08-22 | 2009-08-22 | Movable trolley braking control system for automobile bump test |
Country Status (1)
| Country | Link |
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| CN (1) | CN201476973U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495467A (en) * | 2014-12-15 | 2015-04-08 | 武汉钢铁(集团)公司 | Automatic error correcting device on loop door of strip continuous operation unit and error correcting method |
| CN106809195A (en) * | 2016-12-13 | 2017-06-09 | 奇瑞汽车股份有限公司 | Complete automobile collision tests vehicle-mounted brake control |
| CN111301387A (en) * | 2020-04-28 | 2020-06-19 | 中信戴卡股份有限公司 | Active braking system and method for experiment trolley and experiment trolley |
| CN113390656A (en) * | 2021-08-04 | 2021-09-14 | 中车青岛四方机车车辆股份有限公司 | Braking device and braking method for rail vehicle collision test |
-
2009
- 2009-08-22 CN CN2009202276398U patent/CN201476973U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495467A (en) * | 2014-12-15 | 2015-04-08 | 武汉钢铁(集团)公司 | Automatic error correcting device on loop door of strip continuous operation unit and error correcting method |
| CN106809195A (en) * | 2016-12-13 | 2017-06-09 | 奇瑞汽车股份有限公司 | Complete automobile collision tests vehicle-mounted brake control |
| CN111301387A (en) * | 2020-04-28 | 2020-06-19 | 中信戴卡股份有限公司 | Active braking system and method for experiment trolley and experiment trolley |
| CN113390656A (en) * | 2021-08-04 | 2021-09-14 | 中车青岛四方机车车辆股份有限公司 | Braking device and braking method for rail vehicle collision test |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20140822 |
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| EXPY | Termination of patent right or utility model |