Adjusting assembly for durability test of gearbox power takeoff

Abstract

The utility model provides an adjusting assembly for a durability test of a gearbox power takeoff. According to the adjusting assembly for the durability test of the gearbox power takeoff, a test bench is fixedly connected to the top of a bottom plate, a first mounting groove and a second mounting groove are formed in the positions, close to the two sides, of the top of the test bench, and adjusting assemblies are mounted in the first mounting groove and the second mounting groove correspondingly; a first mounting plate and a second mounting plate are mounted above the two adjusting assemblies respectively, the third mounting groove is formed in the middle of the top of the test board, a mounting buckle is fixedly connected to the back face of the inner wall of the third mounting groove, and a threaded rod is rotationally connected to the front face of the mounting buckle. According to the adjusting assembly for the durability test of the gearbox power takeoff, the positions of the power takeoff, the loading unit and the driving unit can be adjusted according to requirements through the structure, the power takeoff, the loading unit and the driving unit can be conveniently connected, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a gearbox power take-off, in particular to an adjustment component for durability testing of a gearbox power take-off. Background Art

[0002] A power take-off is a group or more sets of speed gears, also known as a power output device. It is generally composed of a gearbox, a clutch, and a controller. It is connected to the low-speed gear of the gearbox or the output shaft of the auxiliary box to output power to an external working device, such as a lifting pump.

[0003] Before the transmission power take-off leaves the factory, it is necessary to conduct a durability test on the power take-off. The test piece is first fixed on the working plate through a special bracket, and the input shaft and output shaft are respectively connected to the universal shaft of the drive unit and the loading unit.

[0004] On the gearbox power take-off durability performance test equipment, the power take-off, loading unit and drive unit need to be installed separately on the test bench, which makes it inconvenient to adjust the position and connect the power take-off, loading unit and drive unit through a universal shaft.

[0005] Therefore, it is necessary to provide an adjustment component for durability testing of a transmission power take-off to solve the above technical problems. Utility Model Content

[0006] The utility model provides an adjustment component for durability testing of a gearbox power take-off, which solves the problem that it is inconvenient to adjust the position of a power take-off loading unit and a drive unit installed on a test bench and it is inconvenient to connect the power take-off loading unit and the drive unit for testing.

[0007] In order to solve the above technical problems, the utility model provides an adjustment component for durability testing of a transmission power take-off, comprising: a bottom plate;

[0008] A test bench, the test bench is fixedly connected to the top of the bottom plate, the top of the test bench is provided with a first mounting groove and a second mounting groove near both sides, the first mounting groove and the second mounting groove are provided with adjustment components inside, and the first mounting plate and the second mounting plate are provided above the two adjustment components respectively;

[0009] A third mounting groove, the third mounting groove is opened at a middle position on the top of the test bench, a mounting buckle is fixedly connected to the back of the inner wall of the third mounting groove, a threaded rod is rotatably connected to the front of the mounting buckle, an adjusting disk is installed at one end of the front of the threaded rod, an internal thread block is threadedly connected to the outer surface of the threaded rod, a working platform is installed on the top of the internal thread block, and a sliding rod is installed inside the third mounting groove;

[0010] The first mounting slot is located on the top of the test bench near one side and near the back, and the second mounting slot is located on the top of the test bench near the other side and near the front. Figure 1 and Figure 2 The positions of the first mounting slot and the second mounting slot can be adjusted forward and backward according to needs. The internal structures of the adjustment component and the third mounting slot are the same, including mounting buckles, threaded rods, adjustment disks, sliding rods and internal thread blocks, and the working methods are also the same. The adjustment disks on the two adjustment components are respectively located on both sides of the test bench. The first mounting plate and the second mounting plate are respectively located above the first mounting slot and the second mounting slot. The positions of the first mounting plate and the second mounting plate can be adjusted left and right according to needs. The first mounting plate and the second mounting plate are respectively installed with equipment for durability testing of the power take-off. There is no thread on the outer surface of the threaded rod near the front end, so the threaded rod and the test bench are rotationally connected. The adjustment disk is located on the front of the test bench, and the front and back ends of the sliding rod are respectively connected to the front and back of the inner wall of the third mounting slot. A hole is provided on the front of the internal thread block for the sliding rod to pass through. The speed, torque and duration of the input in each stage are set through computer software. After the program starts running, the speed and torque of the input shaft of the sample are controlled to meet the test requirements through the cooperation of the drive unit and the loading unit.

[0011] Preferably, a mounting base is installed on the front of the test bench, and a control switch is installed on the front of the mounting base;

[0012] The control switch can control the operation of the base plate or the test equipment required later, and the mounting base can be removed from the front of the test bench.

[0013] Preferably, a control box is installed on the top of the base plate, and a box door is rotatably connected to the front of the control box;

[0014] A power switch is installed inside the control box.

[0015] Preferably, a protective frame is installed on the top of the test bench, and support plates are fixedly connected to the top of the protective frame at two sides, and a suction hood is installed on the top of the support plate;

[0016] An opening is provided at the top of the protective frame at the front position to facilitate later operations.

[0017] Preferably, an exhaust assembly is installed on the top of the bottom plate, and the exhaust assembly includes a protective shell, and heat dissipation holes are opened on the front and back of the protective shell;

[0018] The heat dissipation holes are used to assist the equipment inside the protective shell in dissipating heat.

[0019] Preferably, a fan is installed inside the protective shell, a suction pipe is installed at the inlet of the fan, and a discharge pipe is installed at the outlet of the fan;

[0020] The other end of the suction tube is connected to the top of the suction hood, and the fan can draw air to increase the air flow rate on the test bench.

[0021] Compared with the related art, the adjustment assembly for durability testing of a gearbox power take-off provided by the utility model has the following beneficial effects:

[0022] The utility model provides an adjustment component for durability testing of a gearbox power take-off. In order to facilitate the connection of the gearbox power take-off with the test equipment during the durability performance test, a first mounting slot, a second mounting slot and a third mounting slot are respectively provided on the test bench, and the first mounting plate and the second mounting plate are respectively installed above the first mounting slot and the second mounting slot through two adjustment components, and a rotatable threaded rod is installed inside the third mounting slot through a mounting buckle, and an adjustment disk is installed at the other end of the threaded rod so that it is located at the front of the test bench, and a sliding rod is installed inside the third mounting slot, and then only the internal thread block needs to be installed on the outer surface of the threaded rod, and the internal thread block is passed through the sliding rod, and then the working platform needs to be installed on the top of the internal thread block. During the test, it is only necessary to install the driving unit with a coupling, a torquer and a universal shaft and the loading unit with a universal shaft on the first mounting plate and the second mounting plate respectively. The distance between the first mounting plate and the second mounting plate can be adjusted by two adjustment components, so that the distance between the driving unit and the loading unit can be adjusted, which is more convenient for connecting the universal shaft and the power take-off. After that, it is only necessary to install the power take-off on the working platform. If the front and rear position of the working platform needs to be adjusted forward and backward, it is only necessary to turn the adjusting disk to mobilize the threaded rod to rotate, thereby driving the internal threaded block to move forward and backward on the outer surface of the threaded rod, thereby adjusting the position of the working platform. Through this structure, the positions of the power take-off, loading unit and driving unit can be adjusted as needed, which facilitates the connection of the three and improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a preferred embodiment of an adjustment component for durability testing of a transmission power take-off provided by the utility model;

[0024] Figure 2 A structural schematic diagram of a second mounting plate is provided for the utility model;

[0025] Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0026] Figure 4 A schematic diagram of the structure of the air extraction component is provided for the utility model;

[0027] Figure 5The utility model provides a structural schematic diagram of a fan.

[0028] Numbers in the figure: 1. bottom plate, 2. control box, 3. box door, 4. test bench, 5. adjustment assembly, 6. protective frame, 7. support plate, 8. suction pipe, 9. suction hood, 10. first mounting plate, 11. first mounting slot, 12. working platform, 13. second mounting plate, 14. adjustment disk, 15. control switch, 16. mounting base, 17. exhaust assembly, 171. protective shell, 172. extension, 173. heat dissipation hole, 18. second mounting slot, 19. third mounting slot, 20. mounting buckle, 21. sliding rod, 22. internal thread block, 23. threaded rod, 24. discharge pipe. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of an adjustment component for durability testing of a transmission power take-off provided by the utility model;

[0031] Figure 2 A structural schematic diagram of a second mounting plate is provided for the utility model; Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown; Figure 4 A schematic diagram of the structure of the air extraction component is provided for the utility model; Figure 5 The utility model provides a structural schematic diagram of a fan. The adjustment component for the durability test of a gearbox power take-off comprises: a bottom plate 1;

[0032] A test bench 4, the test bench 4 is fixedly connected to the top of the bottom plate 1, and the top of the test bench 4 near the two sides is provided with a first mounting groove 11 and a second mounting groove 18, and the first mounting groove 11 and the second mounting groove 18 are both installed with an adjustment component 5 inside, and a first mounting plate 10 and a second mounting plate 13 are respectively installed above the two adjustment components 5;

[0033] A third mounting groove 19, the third mounting groove 19 is opened at the middle position of the top of the test bench 4, a mounting buckle 20 is fixedly connected to the back of the inner wall of the third mounting groove 19, a threaded rod 23 is rotatably connected to the front of the mounting buckle 20, an adjusting disk 14 is installed at one end of the front of the threaded rod 23, an inner thread block 22 is threadedly connected to the outer surface of the threaded rod 23, a working platform 12 is installed on the top of the inner thread block 22, and a sliding rod 21 is installed inside the third mounting groove 19;

[0034] The first mounting groove 11 is located at a position on the top of the test bench 4 close to one side and close to the back, and the second mounting groove 18 is located at a position on the top of the test bench 4 close to the other side and close to the front. Figure 1 and Figure 2 The positions of the first mounting groove 11 and the second mounting groove 18 can be adjusted forward and backward according to the needs. The internal structures of the adjustment component 5 and the third mounting groove 19 are the same, including the mounting buckle 20, the threaded rod 23, the adjustment disk 14, the slide bar 21 and the internal thread block 22, and the working method is also the same. The adjustment disks 14 on the two adjustment components 5 are respectively located on both sides of the test bench 4, and the first mounting plate 10 and the second mounting plate 13 are respectively located above the first mounting groove 11 and the second mounting groove 18. The first mounting plate 10 and the second mounting plate 13 can be adjusted left and right according to the needs. The first mounting plate 10 and the second mounting plate 13 are respectively installed with equipment for durability testing of the power take-off. There is no thread on the outer surface of the threaded rod 23 near the front end, so the threaded rod 23 and the test bench 4 are rotatably connected. The adjusting disk 14 is located on the front side of the test bench 4. The front and back ends of the sliding rod 21 are respectively connected to the front and back ends of the inner wall of the third mounting groove 19. A hole is provided on the front side of the internal threaded block 22 for allowing the sliding rod 21 to pass through. The work platform 12 is used to install the power take-off, which can be installed by a clamp or bolts.

[0035] A mounting base 16 is installed on the front of the test bench 4, and a control switch 15 is installed on the front of the mounting base 16;

[0036] The control switch 15 can control the operation of the base plate 1 or the test equipment required later, and the mounting base 16 can be removed from the front of the test bench 4 .

[0037] A control box 2 is installed on the top of the base plate 1, and a box door 3 is rotatably connected to the front of the control box 2;

[0038] The box door 3 is provided with a lock, and a power switch is installed inside the control box 2.

[0039] A protective frame 6 is installed on the top of the test bench 4, and support plates 7 are fixedly connected to the top of the protective frame 6 at two sides, and a suction hood 6 is installed on the top of the support plate 7;

[0040] An opening is provided at the top of the protection frame 6 at the front side to facilitate later operations, and the protection frame 6 and the top of the test bench 4 are connected at the outer surface.

[0041] An exhaust assembly 17 is installed on the top of the bottom plate 1. The exhaust assembly 17 includes a protective shell 171. The front and back sides of the protective shell 171 are provided with heat dissipation holes 173.

[0042] The heat dissipation holes 173 are used to assist the equipment inside the protective shell 171 in dissipating heat. The top and back of the protective shell 171 are provided with openings through which the suction tube 8 and the discharge pipe 24 can pass.

[0043] A fan 172 is installed inside the protective shell 171, a suction pipe 8 is installed at the inlet of the fan 172, and a discharge pipe 24 is installed at the outlet of the fan 172;

[0044] The other end of the suction pipe 8 is connected to the top of the suction hood 9, and the fan can draw air 172 to increase the air flow rate on the test bench 4 and assist the test equipment in dissipating heat.

[0045] The working principle of the adjustment assembly for durability testing of a gearbox power take-off provided by the utility model is as follows:

[0046] A first mounting groove 11, a second mounting groove 18 and a third mounting groove 19 are respectively provided on the test bench 4, and the first mounting plate 10 and the second mounting plate 13 are respectively installed above the first mounting groove 11 and the second mounting groove 18 through two adjustment components 5, and a rotatable threaded rod 23 is installed inside the third mounting groove 19 through a mounting buckle 20, and the adjusting disk 14 is installed at the other end of the threaded rod 23 so that it is located at the front of the test bench 4, and a sliding rod 21 is installed inside the third mounting groove 19, and then only the internal thread block 22 needs to be installed on the outer surface of the threaded rod 23, and the internal thread block 22 is passed through the sliding rod 21, and then the working platform 12 needs to be installed on the top of the internal thread block 22 During the actual test, it is only necessary to install the driving unit with the coupling, the torquer and the universal shaft and the loading unit with the universal shaft on the first mounting plate 10 and the second mounting plate 13 respectively. The distance between the first mounting plate 10 and the second mounting plate 13 can be adjusted by the two adjustment components 5, so that the distance between the driving unit and the loading unit can be adjusted, which is more convenient for connecting the universal shaft and the power take-off. After that, it is only necessary to install the power take-off on the working platform 12. If it is necessary to adjust the front and rear position of the working platform 12 forward and backward, it is only necessary to rotate the adjusting disk 14 to mobilize the threaded rod 23 to rotate, thereby driving the internal threaded block 22 to move forward and backward on the outer surface of the threaded rod 23, thereby adjusting the position of the working platform 12.

[0047] Compared with the related art, the adjustment assembly for durability testing of a gearbox power take-off provided by the utility model has the following beneficial effects:

[0048] In order to facilitate the connection between the gearbox power take-off and the test equipment during the durability performance test, the first mounting groove 11, the second mounting groove 18 and the third mounting groove 19 are respectively opened on the test bench 4, and the first mounting plate 10 and the second mounting plate 13 are respectively installed on the first mounting groove 11 and the second mounting groove 18 through two adjusting components 5, and a rotatable threaded rod 23 is installed in the third mounting groove 19 through the mounting buckle 20, and the adjusting disk 14 is installed at the other end of the threaded rod 23 so that it is located on the front of the test bench 4, and a sliding rod 21 is installed in the third mounting groove 19, and then it is only necessary to install the internal thread block 22 on the outer surface of the threaded rod 23 and let the internal thread block 22 pass through the sliding rod 21, and then it is necessary to install the working platform 12 on the top of the internal thread block 22. In actual testing, only It is necessary to install the driving unit with a coupling, a torquer and a universal shaft and the loading unit with a universal shaft on the first mounting plate 10 and the second mounting plate 13 respectively. The distance between the first mounting plate 10 and the second mounting plate 13 can be adjusted by two adjustment components 5, so that the distance between the driving unit and the loading unit can be adjusted, which is more convenient for connecting the universal shaft and the power take-off. After that, it is only necessary to install the power take-off on the working platform 12. If it is necessary to adjust the front and rear position of the working platform 12, it is only necessary to rotate the adjusting disk 14 to mobilize the threaded rod 23 to rotate, so that the internal thread block 22 can be driven to move back and forth on the outer surface of the threaded rod 23, thereby adjusting the position of the working platform 12. Through this structure, the positions of the power take-off, the loading unit and the driving unit can be adjusted as needed, which is convenient for connecting the three and improves the test efficiency.

[0049] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An adjustment assembly for durability testing of a gearbox power take-off, characterized in that: include: Base plate; A test bench, the test bench is fixedly connected to the top of the bottom plate, the top of the test bench is provided with a first mounting groove and a second mounting groove near both sides, the first mounting groove and the second mounting groove are provided with adjustment components inside, and the first mounting plate and the second mounting plate are provided above the two adjustment components respectively; The third mounting groove is opened in the middle position on the top of the test bench, a mounting buckle is fixedly connected to the back side of the inner wall of the third mounting groove, a threaded rod is rotatably connected to the front side of the mounting buckle, an adjusting disk is installed at one end of the front side of the threaded rod, an internal thread block is threadedly connected to the outer surface of the threaded rod, a working platform is installed on the top of the internal thread block, and a sliding rod is installed inside the third mounting groove.

2. The adjustment assembly for durability testing of a transmission power take-off according to claim 1, characterized in that: A mounting base is installed on the front of the test bench, and a control switch is installed on the front of the mounting base.

3. The adjustment assembly for durability testing of a transmission power take-off according to claim 1, characterized in that: A control box is installed on the top of the bottom plate, and a box door is rotatably connected to the front of the control box.

4. The adjustment assembly for durability testing of a transmission power take-off according to claim 1, characterized in that: A protection frame is installed on the top of the test bench, and support plates are fixedly connected to the top of the protection frame at positions on both sides, and an air suction hood is installed on the top of the support plate.

5. The adjustment assembly for durability testing of a transmission power take-off according to claim 1, characterized in that: An exhaust assembly is installed on the top of the bottom plate, and the exhaust assembly includes a protective shell. Heat dissipation holes are opened on the front and back of the protective shell.

6. The adjustment assembly for durability testing of a transmission power take-off according to claim 5, characterized in that: A fan is installed inside the protective shell, a suction pipe is installed at the inlet of the fan, and a discharge pipe is installed at the outlet of the fan.

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