Air tightness testing device for high-strength gearbox body

Abstract

The utility model relates to the technical field of air tightness inspection, in particular to an air tightness inspection device for a high-strength gearbox body, which is convenient to adjust, improves the working efficiency and enhances the practicability. Comprising a detection table, a plurality of supporting legs are evenly and fixedly installed at the bottom end of the detection table, a clamping mechanism is installed on the detection table and used for clamping and fixing a gearbox body, a detection mechanism is installed on the detection table and used for detecting the gearbox body, a lifting mechanism comprises a lifting plate, and the four supporting legs are connected through a bottom plate. Two first supporting plates are fixedly installed on the bottom plate, a first motor is fixedly installed on one first supporting plate, a first rotating rod is fixedly installed at the output end of the first motor, the other end of the first rotating rod is rotationally connected with the other first supporting plate, two reverse external threads are arranged on the first rotating rod, and sliding blocks are installed on the two reverse external threads in a screwed mode. The inner ends of the two first supporting plates are connected through two first limiting rods.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness inspection, in particular to an air tightness inspection device for a high-strength gearbox body. Background Art

[0002] The gearbox mainly refers to the gearbox of the car, which is divided into manual and automatic. The manual gearbox is mainly composed of gears and shafts, and produces speed and torque changes through different gear combinations. The automatic gearbox is composed of a torque converter, planetary gears, a hydraulic pitch system and a hydraulic control system. In order to ensure the safety of the gearbox, the gearbox body needs to be tested for air tightness after production.

[0003] For example, the utility model patent with Chinese patent publication number CN210981684U discloses a high-strength gearbox body air tightness test device, including a mounting plate, a gearbox body is placed on the mounting plate, an air pump is installed on the mounting plate wall located on one side of the gearbox body, one end of the air pump is connected to an air intake pipe, an air intake valve, a pressure regulating valve, a pressure gauge and a pressure relief valve are installed on the air intake pipe in sequence, and a hose is connected to the other end of the air intake pipe, and the hose is connected to the gearbox body;

[0004] It was found during use of the above-mentioned prior art that, by setting up a clamping assembly, gearboxes of different models and sizes can be clamped and fixed, thereby improving the stability of the detection device. However, when the device is in use, the gearbox body needs to be manually moved to the mounting plate, which wastes time and human resources, reduces work efficiency, and thus leads to poor practicality. Utility Model Content

[0005] Technical issues solved

[0006] In order to solve the above technical problems, the utility model provides an air tightness testing device for a high-strength gearbox body which is easy to adjust, improves working efficiency and enhances practicality.

[0007] Technical Solution

[0008] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an air tightness inspection device for a high-strength gearbox body, comprising a detection platform, a plurality of legs are evenly fixedly installed at the bottom end of the detection platform, the clamping mechanism is installed on the detection platform, and is used to clamp and fix the gearbox body, the detection mechanism is installed on the detection platform, and is used to detect the gearbox body, the lifting mechanism comprises a lifting plate, four legs are connected through a bottom plate, two first support plates are fixedly installed on the bottom plate, a first motor is fixedly installed on one of the first support plates, a first rotating rod is fixedly installed on the output end of the first motor, and the other end of the first rotating rod is rotatably connected to the other first support plate, two reverse external threads are arranged on the first rotating rod, and sliders are screwed on the two reverse external threads, the inner ends of the two first support plates are connected through two first limit rods, the two sliders are slidably connected to the two first limit rods, the top ends of the two sliders are hinged with connecting rods, the top ends of the two connecting rods are hinged to the bottom end of the lifting plate, and two second support plates are fixedly installed at the bottom end of the lifting plate, the detection platform and the bottom plate are connected through two second limit rods, and the two second support plates are respectively slidably connected to the two second limit rods.

[0009] By adopting the above technical solution, the gearbox body to be tested is placed on the lifting plate, the first motor is started, the first motor drives the first rotating rod to rotate, and the two sliders screwed with the first rotating rod are close to each other, so that the bottom ends of the two connecting rods are close to each other, thereby supporting the lifting plate and raising its height, so that the gearbox body is raised to the same height as the testing platform, and then it is clamped and tested by the clamping mechanism and the testing mechanism, which can avoid directly carrying the gearbox body to a higher testing platform, saving human resources, and the process realizes a process that is easy to adjust, improves work efficiency, and thus enhances practicality.

[0010] Preferably, the clamping mechanism includes two third support plates, both of which are fixedly mounted on the detection table, a second motor is fixedly mounted on one of the third support plates, a second rotating rod is fixedly mounted on the output end of the second motor, the second rotating rod is rotatably connected to the other third support plate, two reverse external threads are provided on the second rotating rod, both of which are screwed with clamping plates, the two third support plates are connected by a third limiting rod, and both clamping plates are slidably connected to the third limiting rod.

[0011] By adopting the above technical solution, the second motor is started, and the second motor drives the second rotating rod to rotate, and the two clamping plates screwed with the second rotating rod are close to each other to clamp and fix the gearbox body, thereby enhancing stability.

[0012] Preferably, protective pads are provided on both of the splints.

[0013] By adopting the above technical solution, the protective pad can prevent the clamping plate from directly contacting the gearbox body and avoid damaging the gearbox body, thereby enhancing practicality.

[0014] Preferably, pulleys are rotatably mounted on both of the two sliding blocks.

[0015] By adopting the above technical solution, the pulley can reduce the friction between the slider and the bottom plate, thereby enhancing practicality.

[0016] Preferably, ribs are fixedly mounted on the plurality of legs, and the plurality of ribs are fixedly connected to the bottom end of the detection platform.

[0017] By adopting the above technical solution, the ribs can strengthen the connection between the legs and the testing platform, thereby enhancing stability.

[0018] Beneficial Effects

[0019] Compared with the prior art, the present application provides a high-strength gearbox body airtightness inspection device, which has the following beneficial effects:

[0020] The gearbox body to be tested is placed on the lifting plate, and the first motor is started. The first motor drives the first rotating rod to rotate, and the two sliders screwed with the first rotating rod will approach each other, so that the bottom ends of the two connecting rods are close to each other, thereby supporting the lifting plate and raising its height, so that the gearbox body is raised to the same height as the testing platform, and then it is clamped and tested by the clamping mechanism and the testing mechanism, which can avoid directly carrying the gearbox body to a higher testing platform, saving human resources. This process realizes a process that is easy to adjust, improves work efficiency, and thus enhances practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the shaft side structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the axial side cross-sectional structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 4 The utility model Figure 1 Schematic diagram of the enlarged structure of A.

[0025] Markings in the attached drawings: 1. testing platform; 2. supporting legs; 3. testing mechanism; 4. lifting plate; 5. bottom plate; 6. first supporting plate; 7. first motor; 8. first rotating rod; 9. sliding block; 10. first limiting rod; 11. connecting rod; 12. second supporting plate; 13. second limiting rod; 14. third supporting plate; 15. second motor; 16. second rotating rod; 17. clamping plate; 18. third limiting rod; 19. protective pad; 20. pulley; 21. rib plate. DETAILED DESCRIPTION

[0026] Example

[0027] See also Figure 1-Figure 4 A high-strength gearbox air tightness inspection device comprises a test bench 1, a plurality of legs 2 are evenly fixedly installed at the bottom end of the test bench 1, a clamping mechanism comprises two third support plates 14, the two third support plates 14 are fixedly installed on the test bench 1, a second motor 15 is fixedly installed on one of the third support plates 14, a second rotating rod 16 is fixedly installed on the output end of the second motor 15, the second rotating rod 16 is rotatably connected to the other third support plate 14, two reverse external threads are arranged on the second rotating rod 16, a clamping plate 17 is screwed on the two reverse external threads, the two third support plates 14 are connected by a third limiting rod 18, and the two clamping plates 17 are screwed to the third limiting rod 18. Sliding connection, protective pads 19 are provided on both clamping plates 17, and the protective pads 19 can prevent the clamping plates 17 from directly contacting the gearbox body and damaging the gearbox body. The detection mechanism 3 is installed on the detection platform 1 for detecting the gearbox body. The lifting mechanism includes a lifting plate 4, and the four legs 2 are connected by a bottom plate 5. Two first support plates 6 are fixedly installed on the bottom plate 5, and a first motor 7 is fixedly installed on one of the first support plates 6. A first rotating rod 8 is fixedly installed on the output end of the first motor 7, and the other end of the first rotating rod 8 is rotatably connected to the other first support plate 6. Two reverse external threads are provided on the first rotating rod 8, and sliders 9 are screwed on the two reverse external threads. Pulleys 20 are rotatably installed on the two sliders 9, and the pulleys 20 can reduce the friction between the sliders 9 and the bottom plate 5. The inner ends of the two first support plates 6 are connected by two first limit rods 10, and the two sliders 9 are slidably connected to the two first limit rods 10. The tops of the two sliders 9 are hinged with connecting rods 11, and the tops of the two connecting rods 11 are hinged to the bottom ends of the lifting plates 4. Two second support plates 12 are fixedly installed at the bottom ends of the lifting plates 4. The detection platform 1 is connected to the bottom plate 5 through two second limit rods 13, and the two second support plates 12 are slidably connected to the two second limit rods 13 respectively. The gearbox body to be detected is placed on the lifting plate 4, and the first motor 7 is started. The first motor 7 drives When the first rotating rod 8 rotates, the two sliders 9 screwed with the first rotating rod 8 will approach each other, so that the bottom ends of the two connecting rods 11 approach each other, thereby supporting the lifting plate 4 to increase its height, so that the gearbox body rises to the same height as the detection platform 1, and the second motor 15 is started. The second motor 15 drives the second rotating rod 16 to rotate, and the two clamping plates 17 screwed with the second rotating rod 16 approach each other to clamp and fix the gearbox body, and then it is detected by the detection mechanism 3, which can avoid directly carrying the gearbox body to a higher detection platform 1, saving human resources. This process realizes a process that is easy to adjust, improves work efficiency, and thus enhances practicality.

[0028] See also Figure 3A plurality of legs 2 are fixedly mounted with ribs 21, and the plurality of ribs 21 are fixedly connected to the bottom end of the testing platform 1. The ribs 21 can strengthen the connection between the legs 2 and the testing platform 1, thereby enhancing stability.

[0029] The utility model discloses a high-strength gearbox air tightness inspection device. When working, the gearbox to be inspected is placed on the lifting plate 4, and the first motor 7 is started. This motor is a well-known device for technicians in this field directly purchased on the market. Here we just use it without making any structural and functional improvements to it. We will not go into details here. The motor is provided with a control switch matched with it. The installation position of the control switch is selected according to actual use requirements, which is convenient for operators to operate and control. The first motor 7 drives the first rotating rod 8 to rotate, and the two sliders 9 screwed with the first rotating rod 8 will approach each other, so that the bottom ends of the two connecting rods 11 are close to each other, thereby supporting the lifting plate 4 to increase its height, so that the gearbox rises to the same height as the detection platform 1, and the second motor 15 is started. The second motor 15 drives the second rotating rod 16 to rotate, and the two clamping plates 17 screwed with the second rotating rod 16 are close to each other to clamp and fix the gearbox, and then it is inspected by the detection mechanism 3. In this way, it is possible to avoid directly carrying the gearbox to a higher detection platform 1, saving human resources, and the process realizes a process that is easy to adjust.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strength gearbox air tightness test device, comprising a test platform (1), a plurality of legs (2) being evenly and fixedly mounted on the bottom end of the test platform (1), characterized in that , also includes: A clamping mechanism, the clamping mechanism being mounted on the test bench (1) and being used to clamp and fix the gearbox body; A detection mechanism (3), the detection mechanism (3) being installed on the detection platform (1) and used for detecting the gearbox body; A lifting mechanism, the lifting mechanism comprising a lifting plate (4), four legs (2) connected by a bottom plate (5), two first support plates (6) fixedly mounted on the bottom plate (5), a first motor (7) fixedly mounted on one of the first support plates (6), a first rotating rod (8) fixedly mounted on the output end of the first motor (7), the other end of the first rotating rod (8) being rotatably connected to the other first support plate (6), the first rotating rod (8) being provided with two reverse external threads, the two reverse external threads being both threaded with a slider (9), the two first The inner ends of the support plates (6) are connected via two first limit rods (10), the two sliders (9) are slidably connected to the two first limit rods (10), the top ends of the two sliders (9) are hinged with connecting rods (11), the top ends of the two connecting rods (11) are hinged to the bottom ends of the lifting plates (4), the bottom ends of the lifting plates (4) are fixedly mounted with two second support plates (12), the detection platform (1) and the bottom plate (5) are connected via two second limit rods (13), and the two second support plates (12) are slidably connected to the two second limit rods (13) respectively.

2. The air tightness testing device for a high-strength gearbox body according to claim 1, characterized in that: The clamping mechanism comprises two third support plates (14), both of which are fixedly mounted on the detection platform (1), a second motor (15) is fixedly mounted on one of the third support plates (14), a second rotating rod (16) is fixedly mounted on the output end of the second motor (15), the second rotating rod (16) is rotatably connected to the other third support plate (14), the second rotating rod (16) is provided with two reverse external threads, a clamping plate (17) is screwed onto the two reverse external threads, the two third support plates (14) are connected via a third limiting rod (18), and the two clamping plates (17) are slidably connected to the third limiting rod (18).

3. The air tightness testing device for a high-strength gearbox body according to claim 2, characterized in that: Protection pads (19) are provided on both clamping plates (17).

4. The air tightness testing device for a high-strength gearbox body according to claim 1, characterized in that: Pulleys (20) are rotatably mounted on the two sliders (9).

5. The air tightness testing device for a high-strength gearbox body according to claim 1, characterized in that: A rib plate (21) is fixedly mounted on each of the plurality of legs (2), and each of the plurality of rib plates (21) is fixedly connected to the bottom end of the detection platform (1).

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