Detection device for vehicle rolling protection structure

Abstract

The utility model discloses a vehicle rolling protection structure detection device which comprises a placing platform, and a vehicle frame is locked on the placing platform. The first working condition module is located above the vehicle frame; the second working condition module is located on the side edge of the vehicle frame; each of the first working condition module and the second working condition module comprises a movable abutting piece; when the abutting piece of the first working condition module or the second working condition module acts on the vehicle frame, a vertical loading test and a longitudinal loading test of the vehicle frame or a lateral loading and energy absorption test of the vehicle frame are achieved. The device can realize random change of vertical, longitudinal and lateral loading tests according to the position of a vehicle frame, improves the flexibility and efficiency of the test, reduces the test cost, is matched with the combined use of each oil cylinder, tension and compression sensor and laser displacement sensor, and improves the test efficiency. The magnitude of the simulated rolling loading force can be accurately adjusted according to test requirements, and a test result is recorded.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle testing technical field especially is vehicle rollover protection structure detection device. BACKGROUND

[0002] With the continuously expanding application range of all-terrain vehicles (ATV), the requirements for vehicle safety and stability are also increasing. The rollover protection structure of all-terrain vehicles (ATV) is an important part to ensure the safety of passengers in the event of a rollover accident of the vehicle, and the protection structure is an outer frame structure. In order to evaluate and verify the effectiveness of these protection structures, strict testing and experiments must be carried out. Traditional vehicle safety testing methods mostly use real vehicle simulation tests, which not only have high costs, but also have low efficiency, and cannot flexibly repeat tests for different vehicle models and conditions. SUMMARY

[0003] The utility model provides vehicle rollover protection structure detection device in the prior art in short, and realizes various tests through setting first working condition module, second working condition module.

[0004] To solve the above technical problems, the utility model solves through the following technical scheme: a vehicle rollover protection structure detection device includes a placement platform, a vehicle frame is locked on the placement platform; a first working condition module is located above the vehicle frame; and a second working condition module is located at the side of the vehicle frame; the first working condition module and the second working condition module both include movable abutting fixtures; when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, vertical loading test, longitudinal loading test or lateral loading and energy absorption test of the vehicle frame are realized.

[0005] In the above scheme, preferably, the first working condition module and the second working condition module both include a cylinder, a tension and compression sensor and a laser displacement sensor, and the tension and compression sensor and the laser displacement sensor are respectively located at both ends of the cylinder.

[0006] In the above scheme, preferably, the cylinder includes a rod body, one end of the rod body slides in the cylinder, and the other end is connected with the abutting fixture.

[0007] In the above scheme, preferably, a gantry is arranged outside the placement platform, and the first working condition module and the second working condition module are connected to the gantry.

[0008] In the above scheme, preferably, the gantry includes a cross bar, and the first working condition module is connected to the cross bar.

[0009] Preferably, the gantry comprises side rods, the second working condition module is arranged on the side rods through a screw rod guide rail module, and the second working condition module moves in the screw rod guide rail module.

[0010] Preferably, the screw rod guide rail module comprises a rail and a sliding block, the sliding block is slidingly connected in the rail, and the second working condition module is connected to the sliding block.

[0011] Preferably, the second working condition module is rotationally connected to the sliding block.

[0012] Preferably, the placing table is a cast iron platform.

[0013] Preferably, the vehicle frame is locked on the placing platform through fasteners.

[0014] The beneficial effects of the utility model are as follows: through flexible arrangement of the first working condition module and the second working condition module, vertical, longitudinal and lateral loading tests can be realized on the gantry, the position of the vehicle frame is changed at will, the flexibility and efficiency of the test are improved, the test cost is reduced, the combination use of various oil cylinders, tension and pressure sensors and laser displacement sensors is matched, the size of the simulated rollover loading force can be accurately adjusted according to the test requirement, the test result is recorded and the accuracy and reliability are ensured. Meanwhile, under the action of the screw rod guide rail module, the lateral force can be displaced after being applied, the lateral force-displacement curve and the lateral force-absorption curve are recorded to complete the lateral loading and energy absorption test. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model.

[0016] Figure 2 It is a second working condition module and a screw rod guide rail module schematic view of the utility model.

[0017] Figure 3 It is a working condition module and a counter fastener installation schematic view of the utility model.

[0018] Figure 4 It is a vehicle frame installation schematic view of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described in combination with the drawings and the specific implementation manner: refer to Figures 1-4 , a vehicle rollover protection structure detection device, comprising a placing platform 1 and a gantry 10 located outside the placing platform 1, wherein the placing platform 1 is used for installing a vehicle frame 2 to be tested, and the gantry 10 is provided with a plurality of working condition modules for applying force.

[0020] Specifically, the portal frame 10 includes a crossbar 11 arranged transversely, and side bars 12 arranged on both sides of the crossbar 11, and the placement platform 1 is arranged directly below the crossbar 11, and in this embodiment, the placement platform 1 is a cast iron platform, and a plurality of transversely and vertically staggered mounting grooves are arranged on the placement platform 1, the mounting grooves separate the placement units into a plurality of quadrilateral blocks, and the mounting grooves are used for placing the threaded rods and are further fixed with the vehicle frame 2.

[0021] That is, the fasteners 16 are arranged on the placement platform 1, the threaded rods are moved in the mounting grooves, and the fasteners 16 are fixed thereon to lock the vehicle frame 2, which facilitates the stable testing of various overload values of the vehicle frame 2.

[0022] The first working condition module 3 is arranged on the crossbar 11, and the second working condition module 4 is arranged on the side bar 12, and the two different working condition modules can apply force to the vehicle frame 2 in different directions.

[0023] Specifically, the first working condition module 3 and the second working condition module 4 each include a movable abutting fastener 5, the abutting fastener 5 is a component directly in contact with the vehicle frame 2, and specifically, the abutting fastener 5 is arranged in cooperation with an oil cylinder 6, a tension and pressure sensor 7, and a laser displacement sensor 8.

[0024] Specifically, the oil cylinder 6 of the working condition module includes a rod 9 that can slide therein, the oil cylinder 6 is provided with the tension and pressure sensor 7 at one end, and the abutting fastener 5 can change the applied pressure and displacement by the change of the internal pressure of the oil cylinder 6 through the rod 9, so that the vehicle frame 2 is tested by different tension and pressure, and the laser displacement sensor 8 is arranged on the other end of the oil cylinder 6, i.e., the movable end of the rod 9, and the laser displacement sensor 8 is used to monitor the displacement distance of the abutting fastener 5 in real time.

[0025] Therefore, on the fixed vehicle frame 2, the vehicle frame 2 is tested in one direction by driving the first working condition module 3 or the second working condition module 4 respectively, or the first working condition module 3 and the second working condition module 4 are used simultaneously to realize the synchronous testing of the vehicle frame 2 in two directions to adapt to the synchronous measurement of the longitudinal force and the vertical force, and the sensor is used for recording.

[0026] The second working condition module 4 located on the side rod 12 is connected with the side rod 12 through a lead screw guide rail module 13, specifically, the lead screw guide rail module 13 comprises a rail 14 and a sliding block 15, the sliding block 15 is slidable on the rail 14, and the sliding block 15 is connected with the second working condition module 4, the second working condition module 4 is rotationally connected on the sliding block 15, and the abutting fastener 5 and the rod body 9 are also rotationally connected, so that when the second working condition module 4 works, the lateral force pressure displacement after measurement can be displayed, recorded and played back, and the lateral force-absorption curve can be displayed, recorded and played back.

[0027] The first working condition module 3 is provided with a connecting piece, the connecting piece is fixed on the cross rod 11 through a screw rod and a nut, and the first working condition module 3 is movably connected on the connecting piece, and the first working condition module 3 can be fixed or rotated on the connecting piece according to needs.

[0028] When the first working condition module 3 is perpendicular to the vehicle frame 2, the second working condition module 4 is perpendicular to the vehicle frame 2, so that the first working condition module 3 can be vertically loaded for testing, and the second working condition module 4 can be longitudinally loaded for testing.

[0029] Further, the second working condition module 4 is used for testing load in four directions of the vehicle frame 2, and the first working condition module 3 is used for testing load on the top of the vehicle frame 2.

[0030] In the embodiment, a hydraulic station is further provided for supplying the oil cylinder 6, and a PLC controller, an industrial computer, a sensor communication secondary instrument are matched to form a control system which can control the first working condition module 3 and the lateral force working condition on the gantry 10 through a third party device.

[0031] The above embodiment is only used to illustrate the technical scheme of the present application, and is not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the present application.

Claims

1. A vehicle roll-over protection structure detection apparatus, characterised in that: The utility model relates to a vehicle frame loading test device The placing platform is locked with a vehicle frame; The first working condition module is above the vehicle frame; And The second working condition module is at the side of the vehicle frame; The first working condition module and the second working condition module both include movable abutting fixtures, and when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, the vertical loading test, the longitudinal loading test or the lateral loading and energy absorption test of the vehicle frame can be realized.

2. The vehicle roll-over protection structure detection apparatus according to claim 1, characterized by: The first working condition module and the second working condition module both include oil cylinders, tension and pressure sensors and laser displacement sensors, and the tension and pressure sensors and the laser displacement sensors are respectively located at both ends of the oil cylinder.

3. The vehicle roll-over protection structure detection apparatus according to claim 2, characterized by: The oil cylinder includes a rod body, one end of which is slidably arranged in the oil cylinder, and the other end is connected with the abutting fixture.

4. The vehicle roll-over protection structure detection apparatus according to claim 1, characterized by: The placing platform is locked with a vehicle frame; 5. The vehicle roll-over protection structure detection apparatus according to claim 4, characterized by: The first working condition module is above the vehicle frame; 6. The vehicle roll-over protection structure detection device according to claim 4 or 5, characterized by: And 7. The vehicle roll-over protection structure detection apparatus according to claim 6, characterized by: The second working condition module is at the side of the vehicle frame; 8. The vehicle roll-over protection structure detection apparatus according to claim 7, characterized by: The first working condition module and the second working condition module both include movable abutting fixtures, and when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, the vertical loading test, the longitudinal loading test or the lateral loading and energy absorption test of the vehicle frame can be realized.

9. The vehicle roll-over protection structure detection apparatus according to claim 1, characterized by: The first working condition module and the second working condition module both include oil cylinders, tension and pressure sensors and laser displacement sensors, and the tension and pressure sensors and the laser displacement sensors are respectively located at both ends of the oil cylinder.

10. The vehicle roll-over protection structure detection apparatus according to claim 9, characterized by: The oil cylinder includes a rod body, one end of which is slidably arranged in the oil cylinder, and the other end is connected with the abutting fixture. The placing platform is locked with a vehicle frame; The first working condition module is above the vehicle frame; And The second working condition module is at the side of the vehicle frame; The first working condition module and the second working condition module both include movable abutting fixtures, and when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, the vertical loading test, the longitudinal loading test or the lateral loading and energy absorption test of the vehicle frame can be realized. The first working condition module and the second working condition module both include oil cylinders, tension and pressure sensors and laser displacement sensors, and the tension and pressure sensors and the laser displacement sensors are respectively located at both ends of the oil cylinder. The oil cylinder includes a rod body, one end of which is slidably arranged in the oil cylinder, and the other end is connected with the abutting fixture. The placing platform is locked with a vehicle frame; The first working condition module is above the vehicle frame; And The second working condition module is at the side of the vehicle frame; The first working condition module and the second working condition module both include movable abutting fixtures, and when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, the vertical loading test, the longitudinal loading test or the lateral loading and energy absorption test of the vehicle frame can be realized. The first working condition module and the second working condition module both include oil cylinders, tension and pressure sensors and laser displacement sensors, and the tension and pressure sensors and the laser displacement sensors are respectively located at both ends of the oil cylinder. The oil cylinder includes a rod body, one end of which is slidably arranged in the oil cylinder, and the other end is connected with the abutting fixture. The placing platform is locked with a vehicle frame; The first working condition module is above the vehicle frame; And The second working condition module is at the side of the vehicle frame; The first working condition module and the second working condition module both include movable abutting fixtures, and when the abutting fixtures of the first working condition module or the second working condition module act on the vehicle frame, the vertical loading test, the longitudinal loading test or the lateral loading and energy absorption test of the vehicle frame can be realized. The first working condition module and the second working condition module both include oil cylinders, tension and pressure sensors and laser displacement sensors, and the tension and pressure sensors and the laser displacement sensors are respectively located at both ends of the oil cylinder

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