Steering column pressure test device

Abstract

The utility model discloses a steering column pressure test device, which comprises a bottom frame, a servo motor, a pressure sensor and a cylinder, a support is fixedly arranged at the end part of the upper surface of the bottom frame, the servo motor is fixedly arranged on the upper end face of the support, and the tail end of an output shaft of the servo motor is fixedly connected with an adjusting rod. A reset mechanism is arranged on the outer wall of the adjusting rod, a supporting plate is fixedly connected to the upper surface of the portion, on the side of the adjusting rod, of the bottom frame, a supporting frame is movably connected to the inner wall of the supporting plate, a transmission plate is fixedly installed at the end of the supporting frame, and a containing groove is fixedly formed in the portion, on the side of the supporting plate, of the upper surface of the bottom frame; a positioning frame is fixedly connected to the upper surface of the bottom frame on the side of the placing groove, and an air cylinder is fixedly arranged on the upper surface of the positioning frame. The steering column pressure test device is convenient to automatically reset, so that the device is convenient to reuse, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steering column testing devices, in particular to a steering column pressure testing device. Background Art

[0002] The steering column is one of the core components of the vehicle steering system. Its function is to transmit the driver's steering instructions to the wheels. It is usually composed of parts such as a locking rod, a camshaft and an unlocking rod. The steering column pressure test device is a tool for testing the pressure-bearing capacity of the steering column. Its function is to ensure the safety and reliability of the steering column.

[0003] However, the existing steering column pressure test device has the following problems when used:

[0004] When conducting an axial crushing force test on a steering column, since the test device needs to be reset before it can be reused after testing the steering column, in order to improve the ease of use of the device, the device needs to be easy to automatically reset. However, the existing steering column pressure test device is not easy to automatically reset after use, which makes the device difficult to reuse, thereby reducing the ease of use of the device.

[0005] In view of the above problems, it is urgent to carry out innovative design based on the original steering column pressure test device. Utility Model Content

[0006] The utility model aims to provide a steering column pressure test device to solve the problem that the existing steering column pressure test device is not convenient to automatically reset, which makes the device difficult to reuse and reduces the convenience of using the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steering column pressure testing device, comprising a bottom frame, a servo motor, a pressure sensor and a cylinder, a bracket is fixedly arranged on the end of the upper surface of the bottom frame, and a servo motor is fixedly installed on the upper end surface of the bracket, and an adjusting rod is fixedly connected to the end of the servo motor output shaft, and a reset mechanism is arranged on the outer wall of the adjusting rod, a support plate is fixedly connected to the upper surface of the bottom frame on the side of the adjusting rod, and a support frame is movably connected to the inner wall of the support plate, and a transmission plate is fixedly installed on the end of the support frame, and a pressure sensor is fixedly arranged on the surface of the support frame on the side of the transmission plate, a placement groove is fixedly installed on the upper surface of the bottom frame on the side of the support plate, and a positioning frame is fixedly connected to the upper surface of the bottom frame on the side of the placement groove, and a cylinder is fixedly arranged on the upper surface of the positioning frame.

[0008] Preferably, a drawer is movably mounted on the inner wall of the bottom frame, a sleeve is fixedly mounted on the end surface of the drawer, a handle is movably mounted on the inner wall of the sleeve, and the upper end surface of the handle is connected to the upper end surface of the sleeve via a spring.

[0009] Preferably, the bottom frame and the drawer are slidably connected.

[0010] Preferably, the handle forms a sliding structure with the clamping sleeve and the positioning frame respectively.

[0011] Preferably, the adjusting rod is rotatably connected to the bottom frame, and the end of the cylinder output shaft is fixedly connected with a push plate.

[0012] Preferably, the reset mechanism comprises a base, a clamping plate and a reset wheel, and the base is sleeved on the outer wall of the adjusting rod, and the clamping plate and the reset wheel are respectively fixed to the outer walls on both sides of the base.

[0013] Preferably, the base and the adjusting rod are threadedly connected, the clamping plate and the bracket are slidably arranged, and the reset wheel and the supporting frame are in contact with each other.

[0014] Preferably, the support frame and the support plate are slidably arranged, and the transmission plate and the pressure sensor are fitted and connected.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the user pulls the handle to move downward relative to the drawer, then the handle disengages from the positioning frame, and at the same time the handle compresses the spring to deform, then the user moves the handle to pull the drawer out of the bottom frame, then the user takes out the steering column to be tested stored in the drawer, then the user moves the handle to return the drawer to the bottom frame, then the user releases the handle, at this time the spring resets, thereby pushing the handle to be stably inserted into the positioning frame, thereby limiting the drawer, then the user puts the steering column into the placement slot, and the user connects the pressure sensor to the computer system, then the user starts the cylinder, then the cylinder drives the push plate to move, then the push plate squeezes the steering column, then the steering column moves relative to the placement slot and squeezes the transmission plate, then the transmission plate moves and presses the pressure sensor, and at the same time the transmission plate drives The support frame slides relative to the support plate. At this time, the steering column is subjected to pressure testing by the pressure of the cylinder. At the same time, the pressure sensor transmits the pressure data to the computer, so that the user can understand the pressure on the steering column. Then, when the pressure test of the steering column is completed, the user starts the cylinder to reset it, and then the user starts the servo motor. Next, the servo motor drives the adjusting rod to rotate, and then the base moves down along the adjusting rod. At the same time, the card plate slides relative to the bracket, and then the base drives the reset wheel to move down. At this time, the reset wheel moves and contacts the support frame. Next, as the reset wheel continues to move down, the reset wheel presses the support frame to move, and then the support frame drives the transmission plate to move so that the transmission plate is separated from the pressure sensor, thereby completing the reset of the device. Therefore, the device is easy to automatically reset, which is convenient for reuse of the device, making the device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front section structure of the utility model in the reset state;

[0017] Figure 2 This is a schematic diagram of the top view of the reset mechanism of the utility model;

[0018] Figure 3 This is a side view of the structure of the placement slot of the utility model;

[0019] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1, bottom frame; 2, drawer; 3, card sleeve; 4, handle; 5, spring; 6, bracket; 7, servo motor; 8, adjustment rod; 9, reset mechanism; 901, base; 902, card plate; 903, reset wheel; 10, support plate; 11, support frame; 12, transmission plate; 13, pressure sensor; 14, placement slot; 15, positioning frame; 16, cylinder; 17, push plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a steering column pressure test device, including a bottom frame 1, a drawer 2, a sleeve 3, a handle 4, a spring 5, a bracket 6, a servo motor 7, an adjusting rod 8, a reset mechanism 9, a base 901, a clamping plate 902, a reset wheel 903, a support plate 10, a support frame 11, a transmission plate 12, a pressure sensor 13, a placement groove 14, a positioning frame 15, a cylinder 16 and a push plate 17. The bracket 6 is fixedly installed on the upper surface end of the bottom frame 1, and the servo motor 7 is fixedly arranged on the upper end surface of the bracket 6, and the adjusting rod 8 is fixedly installed on the end of the output shaft of the servo motor 7. The inner wall of the bottom frame 1 is movably connected with the drawer 2, and the drawer 2 is fixedly installed on the upper end surface of the bracket 6. A sleeve 3 is fixedly provided on the end surface of the drawer 2, and a handle 4 is movably connected to the inner wall of the sleeve 3, and the upper end surface of the handle 4 is connected to the upper end surface of the sleeve 3 through a spring 5, so that the drawer 2 is conveniently positioned in the bottom frame 1, so as to store the steering column to be tested, and avoid the steering column being lost due to random placement. The bottom frame 1 and the drawer 2 form a sliding structure, which is convenient for the drawer 2 to slide relative to the bottom frame 1 to open or close. The handle 4 is slidably arranged with the sleeve 3 and the positioning frame 15 respectively, so that the spring 5 pushes the handle 4 to slide relative to the sleeve 3, so that the handle 4 is stably inserted in the positioning frame 15, so that the bottom frame 1 and the drawer 2 are in a relatively stable state. Figure 1 and Figure 3 As shown, the user pulls the handle 4 downward relative to the drawer 2, and then the handle 4 disengages from the positioning frame 15. At the same time, the handle 4 compresses the spring 5 and deforms. Next, the user moves the handle 4 to pull the drawer 2 out of the bottom frame 1. Then the user takes out the steering column to be tested stored in the drawer 2, and then the user moves the handle 4 to make the drawer 2 return to the bottom frame 1. Next, the user releases the handle 4. At this time, the spring 5 resets, thereby pushing the handle 4 to be stably inserted into the positioning frame 15, thereby limiting the drawer 2.

[0023] The outer wall of the adjusting rod 8 is provided with a reset mechanism 9, the adjusting rod 8 is rotatably connected to the bottom frame 1, and the end of the output shaft of the cylinder 16 is fixedly connected with a push plate 17, which is convenient for the servo motor 7 to drive the adjusting rod 8 to rotate, and for the cylinder 16 to push the push plate 17 to move, so that the push plate 17 squeezes the steering column placed on the placement groove 14 to perform a pressure test on the steering column. The reset mechanism 9 includes a base 901, a clamping plate 902 and a reset wheel 903, and the base 901 is movably installed on the outer wall of the adjusting rod 8, and the outer walls on both sides of the base 901 are fixedly mounted. A card plate 902 and a reset wheel 903 are provided to facilitate the reset of the support frame 11 and the transmission plate 12 through the reset mechanism 9, so as to facilitate the reuse of the device. The base 901 and the adjusting rod 8 are threaded, the card plate 902 and the bracket 6 are slidably connected, and the reset wheel 903 and the support frame 11 are fitted together, so that when the adjusting rod 8 rotates, the base 901 moves along the adjusting rod 8. At this time, the card plate 902 slides relative to the bracket 6, and the reset wheel 903 drives the support frame 11 to move, so that the transmission plate 12 is away from the pressure sensor 13 for reset. Figure 1-4 As shown, the user puts the steering column into the placement slot 14, and the user connects the pressure sensor 13 to the computer system, then the user starts the cylinder 16, and then the cylinder 16 drives the push plate 17 to move, and then the push plate 17 squeezes the steering column, and then the steering column moves relative to the placement slot 14 and squeezes the transmission plate 12, and then the transmission plate 12 moves and presses the pressure sensor 13, and at the same time the transmission plate 12 drives the support frame 11 to slide relative to the support plate 10, at this time the steering column is subjected to the pressure of the cylinder 16 for pressure testing, and at the same time the pressure sensor 13 transmits the pressure data to the computer, so that the user can understand the pressure on the steering column, and then when the steering column pressure test is completed, the user starts the cylinder 16 for reset, and then the user starts the servo motor 7, and then the servo motor 7 drives the adjusting rod 8 to rotate, and then the base 901 moves down along the adjusting rod 8, so the device is easy to automatically reset, thereby facilitating the reuse of the device, making the device more convenient to use.

[0024] A support plate 10 is fixedly installed on the upper surface of the bottom frame 1 on the side of the adjusting rod 8, and a support frame 11 is movably provided on the inner wall of the support plate 10, and a transmission plate 12 is fixedly connected to the end of the support frame 11, and a pressure sensor 13 is fixedly installed on the surface of the support frame 11 on the side of the transmission plate 12, a placement groove 14 is fixedly connected to the upper surface of the bottom frame 1 on the side of the support plate 10, and a positioning frame 15 is fixedly provided on the upper surface of the bottom frame 1 on the side of the placement groove 14, and a cylinder 16 is fixedly installed on the upper surface of the positioning frame 15, the support frame 11 and the support plate 10 form a sliding structure, the transmission plate 12 and the pressure sensor 13 are fitted together, so that when the steering column is tested, the column squeezes the transmission plate 12 so that the transmission plate 12 presses the pressure sensor 13, thereby obtaining the pressure data of the steering column, and as the transmission plate 12 moves, the transmission plate 12 drives the support frame 11 to slide relative to the support plate 10.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steering column pressure test device, comprising a base frame (1), a servo motor (7), a pressure sensor (13) and a cylinder (16), characterized in that: A bracket (6) is fixedly provided at the end of the upper surface of the bottom frame (1), and a servo motor (7) is fixedly installed on the upper end surface of the bracket (6), and an adjusting rod (8) is fixedly connected to the end of the output shaft of the servo motor (7), and a reset mechanism (9) is provided on the outer wall of the adjusting rod (8), and a support plate (10) is fixedly connected to the upper surface of the bottom frame (1) on the side of the adjusting rod (8), and a support frame (11) is movably connected to the inner wall of the support plate (10), and a transmission plate (12) is fixedly installed at the end of the support frame (11), and a pressure sensor (13) is fixedly provided on the surface of the support frame (11) on the side of the transmission plate (12), and a placement groove (14) is fixedly installed on the upper surface of the bottom frame (1) on the side of the support plate (10), and a positioning frame (15) is fixedly connected to the upper surface of the bottom frame (1) on the side of the placement groove (14), and a cylinder (16) is fixedly provided on the upper surface of the positioning frame (15).

2. A steering column pressure test device according to claim 1, characterized in that: A drawer (2) is movably mounted on the inner wall of the bottom frame (1), a clamping sleeve (3) is fixedly mounted on the end surface of the drawer (2), a handle (4) is movably mounted on the inner wall of the clamping sleeve (3), and the upper end surface of the handle (4) is connected to the upper end surface of the clamping sleeve (3) via a spring (5).

3. A steering column pressure test device according to claim 2, characterized in that: The bottom frame (1) and the drawer (2) are slidably connected.

4. A steering column pressure test device according to claim 2, characterized in that: The handle (4) forms a sliding structure with the clamping sleeve (3) and the positioning frame (15) respectively.

5. A steering column pressure test device according to claim 1, characterized in that: The adjusting rod (8) is rotatably connected to the bottom frame (1), and the end of the output shaft of the cylinder (16) is fixedly connected to a push plate (17).

6. A steering column pressure test device according to claim 1, characterized in that: The reset mechanism (9) comprises a base (901), a clamping plate (902) and a reset wheel (903), and the base (901) is sleeved on the outer wall of the adjustment rod (8), and the clamping plate (902) and the reset wheel (903) are respectively fixed to the outer walls on both sides of the base (901).

7. A steering column pressure test device according to claim 6, characterized in that: The base (901) and the adjusting rod (8) are threadedly connected, the clamping plate (902) and the bracket (6) are slidably arranged, and the reset wheel (903) and the supporting frame (11) are in close contact with each other.

8. A steering column pressure test device according to claim 1, characterized in that: The support frame (11) and the support plate (10) are slidably arranged, and the transmission plate (12) and the pressure sensor (13) are fitted and connected.

Images