Automobile part use environment simulation detection equipment

Abstract

The utility model discloses an automobile part use environment simulation detection device, which relates to the technical field of automobile part detection and comprises a detection table, a simulation box arranged at the top of the detection table, a simulation plate arranged at the bottom of an inner cavity of the simulation box, a side pushing assembly arranged at the top of the inner cavity of the simulation box, and a hydraulic telescopic rod arranged on the side pushing assembly. According to the utility model, the threaded rod is driven to rotate through the driving motor II, the side pushing frame can be driven to slide along the sliding seat in a threaded manner, and the spring can apply pressure to the sliding seat, so that the side pushing frame can be driven to slide along the sliding seat in a threaded manner; the tire is subjected to lateral force along the axial lead direction so as to simulate the use environment in which the tire continuously bears the transverse force, and the control module on the simulation box can accurately control the magnitude of the lateral force borne by the tire according to the monitoring of the pressure sensor on the elastic force of the spring so as to improve the accuracy of the detection result.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts detection technical field more specifically, the utility model relates to a kind of automobile parts use environment simulation detection equipment. BACKGROUND

[0002] Automobile parts detection is one of the indispensable links in automobile production process, by analyzing detection result, to ensure the safety and reliability of automobile, wherein, the most common detection item includes detection for automobile tire, current common automobile tire detection mode, only by the tire friction with ground is detected by rotating, but it cannot simulate the case that tire continuously bears lateral force, such as being subjected to lateral wind force, road lateral inclination etc. on highway, resulting in detection result is not accurate enough. SUMMARY

[0003] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of automobile parts use environment simulation detection equipment, to solve the problem that current automobile tire detection equipment cannot simulate the case that tire continuously bears lateral force, resulting in detection result is not accurate enough.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of automobile parts use environment simulation detection equipment, including detection table, the top of the detection table is provided with simulation box, the bottom of the inner chamber of the simulation box is provided with simulation board, the top of the inner chamber of the simulation box is provided with side push subassembly, side push subassembly is provided with hydraulic telescopic rod on it, the telescopic end of the hydraulic telescopic rod is fixedly connected with test frame, the side of the test frame is provided with drive motor one, the test frame is rotatably connected with wheel frame, the output end of drive motor one is fixedly connected with wheel frame, a plurality of bolts are evenly provided on the wheel frame along the circumferential direction, the nut is threadedly connected on the bolt, the tire is detachably inserted on the bolt.

[0005] Preferably, the side push subassembly includes a slide rail, the slide rail is fixedly installed on the top surface of the inner chamber of the simulation box, a sliding seat is slidably connected to the slide rail, a threaded rod is rotatably connected to the top of the inner chamber of the simulation box, a drive motor two is also fixedly installed on the top of the inner chamber of the simulation box, the output end of the drive motor two is fixedly connected to one end of the threaded rod, a side push frame is also slidably connected to the slide rail, the threaded rod is threadedly connected to the side push frame, a pressure sensor is provided on the sliding seat, a spring is provided between the side push frame and the pressure sensor, and the pressure sensor is communicatively connected to a control module on the simulation box.

[0006] Preferably, the spring is a nitrogen gas spring.

[0007] Preferably, the test frame is provided with a protective shell for protecting the driving motor one, a water inlet is fixedly connected to the upper left of the simulation box, a water outlet is fixedly connected to the lower right of the simulation box, and the water inlet and the water outlet are both provided with on-off valves.

[0008] Preferably, the simulation board is arranged in a downward inclination from left to right.

[0009] Preferably, the simulation box is further provided with a temperature sensor, a heating module and a refrigeration module, the temperature sensor, the heating module and the refrigeration module are in communication connection with a control module on the simulation box, the temperature sensor can monitor the temperature inside the simulation box and feed back to the control module, and the control module can control the heating module and the refrigeration module respectively, so as to control the temperature rise and fall in the simulation box.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model discloses a driving motor two drives screw rod to rotate, can screw transmission side push frame along slide seat sliding, can make spring to the pressure of slide seat, make tire along the axial line direction to receive lateral force, to simulate tire to bear the using environment of horizontal force continuously, and, can according to pressure sensor to spring elasticity monitoring, can make simulation box control module accurate control tire lateral force size, to improve the accuracy of detection result.

[0012] The utility model discloses a wheel frame, bolt, the setting of nut can simulate the dismounting mode of existing tire, further restore tire use condition, reduce the error of structural factor.

[0013] The utility model discloses a water inlet to the simulation box fills water, makes the surface of simulation board damp, to simulate the friction condition of tire in rain weather, closes water outlet through on-off valve, and continuously fills water through water inlet, can make simulation box produce certain ponding, further simulate the friction condition of tire on ponding road.

[0014] The utility model discloses a heating module, refrigeration module control simulation box temperature rise and fall, to make simulation box can simulate the use environment of high and low temperature tire, collocation above-mentioned rain weather's environmental simulation together, to simulate the friction condition of tire and ground in different weather of four seasons, improve simulation detection effect. ACCURATE

[0015] Figure 1 It is the main body structure schematic drawing of the utility model;

[0016] Figure 2 It is the relevant structure front view in simulation box of the utility model;

[0017] Figure 3The utility model discloses a hydraulic telescopic rod, test stand, driving motor one, wheel frame related structure side view for the utility model.

[0018] Figure 4 The utility model discloses a side push subassembly related structure schematic diagram.

[0019] [reference signs]

[0020] 1, detection platform;2, simulation box;3, simulation board;4, side push subassembly;41, slide rail;42, slide base;43, threaded rod;44, driving motor two;45, side push frame;46, pressure sensor;47, spring;5, hydraulic telescopic rod;6, test stand;7, driving motor one;8, wheel frame;9, bolt;10, nut;11, tire;12, protective shell;13, water inlet;14, water outlet;15, switch valve. Specific implementation

[0021] In order to make the technical problem, technical scheme and advantage that the utility model is going to solve more clear, below will combine with the attached drawing and specific embodiment and carry out the detailed description.

[0022] As attached Figure 1 to attached Figure 4 The embodiment of the utility model provides a kind of automobile accessory use environment simulation detection equipment, including detection platform 1, the top of detection platform 1 is provided with simulation box 2, the bottom of simulation box 2 inner chamber is provided with simulation board 3, the top of simulation box 2 inner chamber is provided with side push subassembly 4, side push subassembly 4 is provided with hydraulic telescopic rod 5, the telescopic end of hydraulic telescopic rod 5 is fixedly connected with test stand 6, one side of test stand 6 is provided with driving motor one 7, test stand 6 is rotatably connected with wheel frame 8, the output end of driving motor one 7 is fixedly connected with wheel frame 8, a plurality of bolts 9 are evenly provided on wheel frame 8 along the circumferential direction, nut 10 is threadedly connected on bolt 9, tire 11 is detachably inserted on bolt 9.

[0023] Preferably, side push subassembly 4 includes slide rail 41, slide rail 41 is fixedly installed on the top surface of simulation box 2 inner chamber, slide base 42 is slidably connected on slide rail 41, threaded rod 43 is rotatably connected on the top of simulation box 2 inner chamber, driving motor two 44 is also fixedly installed on the top of simulation box 2 inner chamber, the output end of driving motor two 44 is fixedly connected with one end of threaded rod 43, side push frame 45 is also slidably connected on slide rail 41, the outer surface of threaded rod 43 is threadedly connected with side push frame 45, pressure sensor 46 is arranged on slide base 42, spring 47 is arranged between side push frame 45 and pressure sensor 46, pressure sensor 46 is communicatively connected with control module on simulation box 2.

[0024] Specifically, in the tire 11 rotation detection process, the threaded rod 43 is driven to rotate by the driving motor 44, the screw transmission side pusher 45 slides along the slide base 42, the spring 47 exerts pressure on the slide base 42, the tire 11 is subjected to a lateral force in the axial direction, so as to simulate the case that the tire 11 continuously bears a lateral force, and according to the monitoring of the spring force of the spring 47 by the pressure sensor 46, the control module on the simulation box 2 can accurately control the size of the lateral force borne by the tire 11.

[0025] Preferably, the spring 47 is a nitrogen spring.

[0026] The nitrogen spring is an elastic component with high-pressure nitrogen as the working medium, and the spring pressure of a single spring can reach several thousand newtons or even higher, which can more accurately simulate lateral forces of different sizes.

[0027] Further, the test stand 6 is provided with a protective shell 12 for protecting the driving motor 7, the upper left of the simulation box 2 is fixedly connected with a water inlet 13, the lower right of the simulation box 2 is fixedly connected with a water outlet 14, and the water inlet 13 and the water outlet 14 are both provided with an on-off valve 15.

[0028] Specifically, in the detection process, water can be injected into the simulation box 2 through the water inlet 13 to make the surface of the simulation plate 3 wet, so as to simulate the friction condition of the tire 11 in the rainy weather, the on-off valve 15 is used to close or open the water inlet 13 and the water outlet 14, the water outlet 14 is closed by the on-off valve 15, and water is continuously injected through the water inlet 13, so as to produce a certain amount of water in the simulation box 2, and further simulate the friction condition of the tire 11 on the waterlogged road.

[0029] Preferably, the simulation plate 3 is inclined downward from left to right, so as to facilitate the water in the simulation box 2 to be discharged through the water outlet 14.

[0030] Further, the simulation box 2 is also provided with a temperature sensor, a heating module and a refrigeration module, the temperature sensor, the heating module and the refrigeration module are in communication connection with the control module on the simulation box 2, the temperature sensor can monitor the internal temperature of the simulation box 2 and feed back to the control module, the control module can control the heating module and the refrigeration module respectively, so as to control the rise and fall of the temperature in the simulation box 2, so that the simulation box 2 can simulate the use environment of the tire 11 in high and low temperature, and the heating module and the refrigeration module can simulate the temperature from -40℃ to 60℃, which can be used together with the above-mentioned environment simulation in the rainy weather to improve the simulation detection effect.

[0031] The heating module, the refrigeration module and the control module all adopt products in the prior art, for example, the heating module can adopt an electric heater, the refrigeration module can adopt a semiconductor refrigeration module, and the control module can adopt a low-power STM32 single-chip microcomputer or a Siemens S7-200CN controller; the above-mentioned structure can also be replaced by a temperature controller.

[0032] The working process of the utility model is as follows:

[0033] In use, the tire 11 is inserted on the bolt 9, the nut 10 is screwed to fix, then the hydraulic telescopic rod 5 is lengthened, the tire 11 is pressed on the simulation board 3, at the same time, the driving motor one 7 is started to make the tire 11 rotate, friction detection is carried out, then the driving motor two 44 is started to make the spring 47 generate lateral force to the tire 11, and different sizes of lateral force are adjusted through the control variable method, whether water is injected into the simulation box 2 and the temperature in the simulation box 2 are controlled to simulate the wear condition of the tire 11 in different use environments.

[0034] Finally, several points should be noted: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0035] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0036] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A device for simulating and testing the usage environment of automotive parts, characterized in that, Including the detection platform (1), the top of the detection platform (1) is provided with an analog box (2), the bottom of the inner cavity of the analog box (2) is provided with an analog board (3), the top of the inner cavity of the analog box (2) is provided with a side push assembly (4), the side push assembly (4) is provided with a hydraulic telescopic rod (5), the telescopic end of the hydraulic telescopic rod (5) is fixedly connected with a test rack (6), one side of the test rack (6) is provided with a driving motor (7), the test rack (6) is rotatably connected with a wheel frame (8), the output end of the driving motor (7) is fixedly connected with the wheel frame (8), a plurality of bolts (9) are uniformly arranged on the wheel frame (8) in the circumferential direction, the bolts (9) are threadedly connected with nuts (10), and the bolts (9) are detachably inserted with tires (11).

2. The automobile parts use environment simulation test apparatus according to claim 1, wherein The side push assembly (4) includes a sliding rail (41), the sliding rail (41) is fixedly installed on the top surface of the inner cavity of the analog box (2), the sliding rail (41) is slidably connected with a sliding seat (42), the top of the inner cavity of the analog box (2) is rotatably connected with a threaded rod (43), and the top of the inner cavity of the analog box (2) is also fixedly installed with a driving motor (44), the output end of the driving motor (44) is fixedly connected with one end of the threaded rod (43), the sliding rail (41) is also slidably connected with a side push frame (45), the outer surface of the threaded rod (43) is threadedly connected with the side push frame (45), the sliding seat (42) is provided with a pressure sensor (46), the side push frame (45) and the pressure sensor (46) are provided with a spring (47), and the pressure sensor (46) is in communication connection with the control module on the analog box (2).

3. The automobile parts use environment simulation test apparatus according to claim 2, wherein The spring (47) is selected from nitrogen gas springs.

4. The automobile parts use environment simulation test apparatus according to claim 1, wherein The test rack (6) is provided with a protective shell (12) for protecting the driving motor (7), the upper left of the analog box (2) is fixedly connected with a water inlet (13), the lower right of the analog box (2) is fixedly connected with a water outlet (14), and the water inlet (13) and the water outlet (14) are both provided with on-off valves (15).

5. The automobile parts use environment simulation test apparatus according to claim 4, wherein The analog board (3) is arranged in a downward inclination from left to right.

6. The automobile parts use environment simulation test apparatus according to claim 4, wherein The analog box (2) is also provided with a temperature sensor, a heating module and a refrigeration module, the temperature sensor, the heating module and the refrigeration module are in communication connection with the control module on the analog box (2), the temperature sensor can monitor the temperature inside the analog box (2) and feed back to the control module, and the control module can control the heating module and the refrigeration module respectively, so as to control the temperature rise and fall in the analog box (2).

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