Gearbox shell assembly sealing performance detection device

Abstract

The utility model relates to the technical field of gearbox detection, in particular to a gearbox shell assembly sealing performance detection device, which realizes rapid detection of the sealing performance of a gearbox and avoids corrosion damage to the interior of the gearbox at the same time. Comprising an air tightness detection pool, polished rods, a lifting plate, a top plate and a controller, the controller is arranged at the front end of the air tightness detection pool, the multiple sets of polished rods are arranged at the bottom end in the air tightness detection pool, the top ends of the multiple sets of polished rods are connected with the bottom end of the top plate, and the lifting plate is slidably connected with the multiple sets of polished rods; the hoisting assembly is used for adjusting the height of the lifting plate, and a liquid discharging assembly is arranged on the air tightness detection pool.

Description

Technical Field

[0001] The utility model relates to the technical field of gearbox detection, in particular to a sealing detection device for a gearbox housing assembly. Background Technique

[0002] A transmission is a mechanism used to change the speed and torque from the engine. It can fix or shift gears to change the transmission ratio between the output shaft and the input shaft, also known as a gearbox. The gearbox needs to be subjected to sealing detection before leaving the factory or after repair.

[0003] In the prior art, a patent document with the publication number of CN213274753U discloses a gearbox sealing detection device, including a housing and a detection tank. An extrusion push rod is arranged inside the housing, and a sealing cover is arranged at the bottom end of the extrusion push rod. A test paper box is arranged on the left side of the sealing cover. A sealing pipe is arranged on the right side of the extrusion push rod, and an air extraction pipe is installed inside the sealing pipe. An air extraction pump is arranged at the bottom end of the air extraction pipe, and a detection box is arranged on the left side of the air extraction pump. A clamping block is fixed at the bottom end of the detection box, and a clamping groove is arranged at the bottom end of the clamping block. A simulation board is installed at the bottom end of the clamping groove, a vibrator is fixed on the right side of the simulation board, a vibration block is fixed at the bottom end of the vibrator, and a bottom plate is fixed at the bottom end of the vibration block. A vibration spring column is fixed at the bottom end of the simulation board.

[0004] During the use process, it is found that the above detection device needs to fill alkaline gas into the gearbox to be detected, and the alkaline gas will cause corrosion damage to the inside of the gearbox to be detected, affecting the service life. At the same time, the leakage of alkaline gas will also cause harm to the physical health of the staff. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a sealing detection device for a gearbox housing assembly that improves the detection efficiency and safety.

[0006] A sealing detection device for a gearbox housing assembly of the utility model comprises an airtight detection pool, a lead screw, a lifting plate, a top plate and a controller. The controller is arranged at the front end of the airtight detection pool. A plurality of groups of lead screws are arranged at the bottom end inside the airtight detection pool. The top ends of the plurality of groups of lead screws are all connected to the bottom end of the top plate. The lifting plate is slidably connected to the plurality of groups of lead screws. The device further comprises a hoisting assembly and a liquid discharging assembly. The hoisting assembly is arranged at the top end of the top plate and is used for adjusting the height of the lifting plate. The liquid discharging assembly is arranged on the airtight detection pool. When in use, the airtight detection pool is filled with water. Then, air is filled into the gearbox to be detected and sealed. Then, the gearbox is placed on the lifting plate. Then, the controller controls the hoisting assembly to make the lifting plate enter the airtight detection pool, so that the water in the airtight detection pool submerges the gearbox. Whether bubbles appear is observed, realizing the rapid detection of the sealing performance of the gearbox and avoiding corrosion damage to the inside of the gearbox. When the water in the airtight detection pool needs to be replaced, it can be emptied through the liquid discharging assembly.

[0007] Preferably, the hoisting assembly comprises a fixing frame, a rotating shaft, a winding drum, a rope, a motor base, a self-locking servo motor, a gear, a fixed pulley and a square opening. Two groups of fixing frames are arranged at the top end of the top plate. A rotating shaft is rotatably arranged on each group of fixing frames. A winding drum is arranged on each group of rotating shafts. A rope is wound on each group of winding drums. The self-locking servo motor is fixedly installed at the top end of the top plate through the motor base. The output end of the self-locking servo motor is connected to one end of a rotating shaft. A gear is arranged on each group of rotating shafts. The two groups of gears are meshed. Two square openings are arranged on the top plate. Two fixed pulleys are arranged at the top end of the top plate. The free end of each rope respectively bypasses the top of a fixed pulley and passes through a square opening to be connected to the top end of the lifting plate. The gearbox to be detected is placed on the lifting plate. The self-locking servo motor is started through the controller, so that a rotating shaft drives another rotating shaft to rotate in opposite directions through the cooperation of the two groups of gears, so that the two winding drums respectively perform synchronous unwinding operations on the corresponding ropes. Then, the lifting plate and the gearbox are guided by the plurality of groups of lead screws and immersed in water for airtightness detection.

[0008] Preferably, a flushing assembly is further comprised. The flushing assembly is arranged on the airtight detection pool. The flushing assembly comprises a water inlet pipe, a water inlet valve, a water spraying pipe and a water spraying head. The water inlet pipe is arranged at the right end of the airtight detection pool. The output end of the water inlet pipe extends into the airtight detection pool and is communicated with the input end of the water spraying pipe. The water inlet valve is installed on the water inlet pipe. A plurality of groups of water spraying heads are arranged on the water spraying pipe. After the water in the airtight detection pool becomes dirty and is discharged, the input end of the water inlet pipe is communicated with a water pump. The water inlet valve is opened, so that clean water enters the water spraying pipe through the water inlet pipe. The clean water entering the water spraying pipe quickly cleans the dirt at the bottom end inside the airtight detection pool through the plurality of groups of water spraying heads, improving the convenience.

[0009] Preferably, the liquid drainage assembly includes a drain pipe and a drain valve. A drain pipe is provided at the left end of the airtightness detection pool, and a drain valve is installed on the drain pipe. When it is necessary to replace the water inside the airtightness detection pool, the drain valve is opened to drain the water inside the airtightness detection pool through the drain pipe, improving convenience.

[0010] Preferably, it further includes upper limit plates, and a set of upper limit plates are respectively provided on each group of optical bars. Multiple groups of upper limit plates cooperate with each other to limit the rising height of the lifting plate, improving convenience.

[0011] Preferably, it further includes strip-shaped openings, and multiple groups of strip-shaped openings are provided on the lifting plate. When the lifting plate and the gearbox enter the airtightness detection pool, water quickly submerges the lifting plate and the gearbox through the strip-shaped openings, improving the detection efficiency.

[0012] Preferably, it further includes lower limit plates, and a set of lower limit plates are respectively provided on each group of optical bars. Multiple groups of lower limit plates cooperate with each other to limit the lowering height of the lifting plate, improving the protection performance.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: When in use, the airtightness detection pool is filled with water, then the inside of the gearbox to be detected is filled with air and sealed, then the gearbox is placed on the lifting plate, and then the lifting plate is controlled by the controller to enter the airtightness detection pool so that the water inside the airtightness detection pool submerges the gearbox, and observe whether there are bubbles. It realizes the rapid detection of the sealing performance of the gearbox and avoids corrosion damage to the inside of the gearbox. When it is necessary to replace the water inside the airtightness detection pool, it can be emptied through the liquid drainage assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is the exploded structural schematic diagram of the present utility model;

[0016] Figure 3 is the enlarged structural schematic diagram of structures such as the self-locking servo motor and the gear;

[0017] Figure 4 is Figure 3 the partial enlarged structural schematic diagram of part A in

[0018] Figure 5 is the enlarged structural schematic diagram of structures such as the water inlet valve and the spray head.

[0019] Reference numerals in the drawings: 1, airtightness detection pool; 2, optical bar; 3, lifting plate; 4, top plate; 5, controller; 6, fixing bracket; 7, rotating shaft; 8, winding drum; 9, rope; 10, motor base; 11, self-locking servo motor; 12, gear; 13, fixed pulley; 14, square opening; 15, water inlet pipe; 16, water inlet valve; 17, water spray pipe; 18, water spray head; 19, drain pipe; 20, drain valve; 21, upper limit plate; 22, strip opening; 23, lower limit plate. Detailed implementation manners

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 3 shown, a sealing detection device for a gearbox housing assembly of the present invention includes an airtightness detection pool 1, an optical bar 2, a lifting plate 3, a top plate 4 and a controller 5. A controller 5 is provided at the front end of the airtightness detection pool 1. A plurality of groups of optical bars 2 are provided at the inner bottom end of the airtightness detection pool 1. The tops of the plurality of groups of optical bars 2 are all connected to the bottom end of the top plate 4. The lifting plate 3 is slidably connected to the plurality of groups of optical bars 2. It further includes a hoisting assembly and a liquid discharging assembly. A hoisting assembly is provided at the top end of the top plate 4. The hoisting assembly is used for adjusting the height of the lifting plate 3. A liquid discharging assembly is provided on the airtightness detection pool 1;

[0023] As Figures 1 to 4 shown, the hoisting assembly includes a fixing bracket 6, a rotating shaft 7, a winding drum 8, a rope 9, a motor base 10, a self-locking servo motor 11, a gear 12, a fixed pulley 13 and a square opening 14. Two groups of fixing brackets 6 are provided at the top end of the top plate 4. A rotating shaft 7 is rotatably provided on each group of fixing brackets 6. A winding drum 8 is provided on each group of rotating shafts 7. A rope 9 is wound on each group of winding drums 8. The self-locking servo motor 11 is fixedly installed at the top end of the top plate 4 through the motor base 10. The output end of the self-locking servo motor 11 is connected to one end of a rotating shaft 7. A gear 12 is provided on each group of rotating shafts 7. The two groups of gears 12 are meshed. Two groups of square openings 14 are provided on the top plate 4. Two groups of fixed pulleys 13 are provided at the top end of the top plate 4. The free end of each rope 9 respectively bypasses the top of a fixed pulley 13 and passes through a square opening 14 and is connected to the top end of the lifting plate 3.

[0024] In this embodiment, the gearbox to be detected is placed on the lifting plate 3. The self-locking servo motor 11 is started through the controller 5, so that a set of rotating shafts 7 drive another set of rotating shafts 7 to rotate towards each other through the cooperation of two sets of gears 12. As a result, the two winding drums 8 respectively perform synchronous unwinding operations with the corresponding ropes 9. Then, the lifting plate 3 is guided by multiple sets of optical bars 2 and immersed in water together with the gearbox. Observe whether there are bubbles in the gearbox. When it is necessary to replace the water inside the airtightness detection pool 1, it can be emptied through the liquid discharge assembly.

[0025] Embodiment 2

[0026] As Figures 1 to 3 shown, a sealing performance detection device for a gearbox housing assembly of the present utility model includes an airtightness detection pool 1, optical bars 2, a lifting plate 3, a top plate 4, and a controller 5. The controller 5 is provided at the front end of the airtightness detection pool 1. Multiple sets of optical bars 2 are provided at the bottom end inside the airtightness detection pool 1. The top ends of the multiple sets of optical bars 2 are all connected to the bottom end of the top plate 4. The lifting plate 3 is slidably connected to the multiple sets of optical bars 2. It further includes a hoisting assembly and a liquid discharge assembly. The hoisting assembly is provided at the top end of the top plate 4 and is used for adjusting the height of the lifting plate 3. The liquid discharge assembly is provided on the airtightness detection pool 1;

[0027] As Figures 1 to 4 shown, the hoisting assembly includes a fixed frame 6, a rotating shaft 7, a winding drum 8, a rope 9, a motor base 10, a self-locking servo motor 11, a gear 12, a fixed pulley 13, and a square opening 14. Two sets of fixed frames 6 are provided at the top end of the top plate 4. A set of rotating shafts 7 are respectively rotatably provided on each set of fixed frames 6. A set of winding drums 8 are respectively provided on each set of rotating shafts 7. A set of ropes 9 are respectively wound on each set of winding drums 8. The self-locking servo motor 11 is fixedly installed at the top end of the top plate 4 through the motor base 10. The output end of the self-locking servo motor 11 is connected to one end of a set of rotating shafts 7. A set of gears 12 are respectively provided on each set of rotating shafts 7. The two sets of gears 12 are meshed. Two sets of square openings 14 are provided on the top plate 4. Two sets of fixed pulleys 13 are provided at the top end of the top plate 4. The free end of each set of ropes 9 respectively bypasses the top of a set of fixed pulleys 13 and passes through a set of square openings 14 and is connected to the top end of the lifting plate 3;

[0028] As Figure 2 and Figure 5 shown, it further includes a flushing assembly. The flushing assembly is provided on the airtightness detection pool 1. The flushing assembly includes a water inlet pipe 15, a water inlet valve 16, a water spray pipe 17, and a water spray head 18. The water inlet pipe 15 is provided at the right end of the airtightness detection pool 1. The output end of the water inlet pipe 15 extends into the airtightness detection pool 1 and is communicated with the input end of the water spray pipe 17. The water inlet valve 16 is installed on the water inlet pipe 15. Multiple sets of water spray heads 18 are provided on the water spray pipe 17;

[0029] As Figure 1As shown in the figure, the liquid drainage assembly includes a drain pipe 19 and a drain valve 20. The left end of the airtightness detection pool 1 is provided with a drain pipe 19, and a drain valve 20 is installed on the drain pipe 19;

[0030] It further includes an upper limit plate 21, a strip-shaped opening 22 and a lower limit plate 23. A set of upper limit plates 21 are respectively arranged on each group of optical bars 2, multiple sets of strip-shaped openings 22 are arranged on the lifting plate 3, and a set of lower limit plates 23 are respectively arranged on each group of optical bars 2.

[0031] In this embodiment, the gearbox to be detected is placed on the lifting plate 3. The controller 5 is used to start the self-locking servo motor 11, so that a set of rotating shafts 7 drive another set of rotating shafts 7 to rotate towards each other through the cooperation of two sets of gears 12. Then, the two winding drums 8 respectively perform synchronous unwinding operations with the corresponding ropes 9. After that, the lifting plate 3 is guided by multiple sets of optical bars 2 and immersed in water together with the gearbox. Observe whether there are bubbles in the gearbox. When it is necessary to replace the water inside the airtightness detection pool 1, open the drain valve 20 to drain the water inside the airtightness detection pool 1 through the drain pipe 19. The input end of the water inlet pipe 15 is connected to a water pump. Open the water inlet valve 16, so that clean water enters the inside of the spray pipe 17 through the water inlet pipe 15. The clean water entering the inside of the spray pipe 17 quickly cleans the dirt at the bottom inside the airtightness detection pool 1 through multiple spray nozzles 18.

[0032] The controller 5, the self-locking servo motor 11 and the gears 12 of a gearbox housing assembly airtightness detection device of the present utility model are purchased on the market. Those skilled in the art only need to install and operate them according to the attached operation manuals, without the need for creative labor of those skilled in the art.

[0033] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A gearbox housing assembly sealing detection device, comprising an airtightness detection pool (1), an optical rod (2), a lifting plate (3), a top plate (4) and a controller (5), wherein the front end of the airtightness detection pool (1) is provided with a controller (5), a plurality of groups of optical rods (2) are provided at the bottom end of the airtightness detection pool (1), the top ends of the plurality of groups of optical rods (2) are all connected to the bottom end of the top plate (4), and the lifting plate (3) is slidably connected to the plurality of groups of optical rods (2), characterized in that: It also comprises a hanging assembly and a drainage assembly. The top of the top plate (4) is provided with a hanging assembly, the hanging assembly is used for adjusting the height of the lifting plate (3), and the air tightness detection pool (1) is provided with a drainage assembly.

2. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: The hoisting assembly comprises a fixed frame (6), a rotating shaft (7), a winding drum (8), a rope (9), a motor seat (10), a self-locking servo motor (11), a gear (12), a fixed pulley (13) and a square mouth (14). Two groups of fixed frames (6) are arranged at the top of the top plate (4), a group of rotating shafts (7) are rotatably arranged on each group of fixed frames (6), a group of winding drums (8) are arranged on each group of rotating shafts (7), a group of ropes (9) are wound around each group of winding drums (8), and a self-locking servo motor (11) is arranged on the top of the top plate (4). The motor base (10) is fixedly mounted on the top of the top plate (4); the output end of the self-locking servo motor (11) is connected to one end of a group of rotating shafts (7); each group of rotating shafts (7) is provided with a group of gears (12); the two groups of gears (12) are meshed; two groups of square openings (14) are provided on the top plate (4); two groups of fixed pulleys (13) are provided at the top of the top plate (4); the free end of each group of ropes (9) passes around the top of a group of fixed pulleys (13) and passes through a group of square openings (14) to be connected to the top of the lifting plate (3).

3. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: The invention also comprises a flushing assembly, wherein the flushing assembly is arranged on the air tightness detection pool (1), and the flushing assembly comprises a water inlet pipe (15), a water inlet valve (16), a water spray pipe (17) and a water spray head (18). The right end of the air tightness detection pool (1) is provided with a water inlet pipe (15), the output end of the water inlet pipe (15) extends into the air tightness detection pool (1) and is connected to the input end of the water spray pipe (17), the water inlet valve (16) is installed on the water inlet pipe (15), and the water spray pipe (17) is provided with a plurality of groups of water spray heads (18).

4. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: The drainage assembly comprises a drainage pipe (19) and a drainage valve (20). The left end of the air tightness detection pool (1) is provided with a drainage pipe (19), and the drainage valve (20) is installed on the drainage pipe (19).

5. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: It also comprises an upper limit plate (21), and each group of optical bars (2) is respectively provided with a group of upper limit plates (21).

6. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: It also comprises strip-shaped openings (22), and the lifting plate (3) is provided with a plurality of groups of strip-shaped openings (22).

7. A transmission housing assembly sealing detection device as claimed in claim 1, characterized in that: It also includes lower limit plates (23), and each group of optical bars (2) is respectively provided with a group of lower limit plates (23).

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