CN116878756A

CN116878756A - Axial plunger pump seal detection device

Info

Publication number: CN116878756A
Application number: CN202310860232.3A
Authority: CN
Inventors: 顾海烨; 谢军
Original assignee: Jiangsu Hengyuan Hydraulic Co ltd
Current assignee: Jiangsu Hengyuan Hydraulic Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-10-13

Abstract

The invention relates to the technical field of seal detection, in particular to an axial plunger pump seal detection device which comprises a shell, a placing table, an air pump, an axial plunger pump, an axial clamping assembly, a cleaning assembly, a radial clamping assembly, a second inflation assembly and a first inflation assembly.

Description

Axial plunger pump seal detection device

Technical Field

The invention relates to the technical field of seal detection, in particular to a seal detection device of an axial plunger pump.

Background

The axial plunger pump sealing detection device is used for testing and determining whether the plunger pump leaks or not, and after the axial plunger pump is produced, the axial plunger pump needs to carry out sealing performance detection to ensure that the axial plunger pump cannot leak in the use process.

The sealing performance detection of the axial plunger pump is realized through dynamic sealing detection and static sealing detection, the static sealing detection is to detect the sealing performance of the axial plunger pump in a static state, in the prior art, an oil inlet and an oil outlet of the axial plunger pump are blocked, high-pressure gas is introduced into the axial plunger pump from an oil inlet, the axial plunger pump is put into a water tank, whether bubbles emerge in the water tank or not is observed, the leakage problem of the axial plunger pump is indicated, no bubbles emerge, and good sealing performance inside the axial plunger pump is indicated; the dynamic seal test is to perform seal detection on the axial plunger pump in a working state, perform pressure test on the axial plunger pump, connect the axial plunger pump to a pressure measuring instrument, apply proper pressure and judge the tightness of the axial plunger pump in a pressure test mode.

Before the axial plunger pump leaves the factory, the axial plunger pump needs to be subjected to seal detection, a water immersion method is adopted to carry out seal detection, high-pressure gas is introduced into the axial plunger pump, the axial plunger pump is placed into water, whether air bubbles emerge in the water or not is observed, the overall seal condition of the axial plunger pump can be judged in the mode, the problem that maintenance is not facilitated can not be confirmed in the specific leakage position of the axial plunger pump can be solved, the seal detection device in the prior art adopts a compaction method to carry out seal detection on the whole axial plunger pump, the plunger pump is connected with a sealing medium, certain pressure is applied, and whether leakage exists or not is judged in the mode, however, the detection method can not judge the specific leakage position of the axial plunger pump.

In view of the above, the present invention provides an axial plunger pump seal detection device.

Disclosure of Invention

The invention aims to provide an axial plunger pump sealing detection device which can detect specific positions in a gas reciprocating flow mode and simultaneously realize convenient disassembly and sealing connection.

The utility model provides an axial plunger pump seal detection device, includes the shell, places platform, air pump and axial plunger pump, still includes axial clamping component, clearance subassembly, radial clamping component, no. two inflation components and an inflation component, shell bottom fixed mounting has places the platform, the both sides fixed mounting of axial plunger pump has the air pump, the air pump is inflated to the business turn over hydraulic fluid port of axial plunger pump, judges through this kind of mode that the business turn over hydraulic fluid port of axial plunger pump has the condition of revealing, axial clamping component is installed on the top of axial plunger pump, radial clamping component fixed mounting is in the vicinity of axial plunger pump, and then the radial clamping of axial plunger pump is fixed, improves the effect of axial clamping of axial plunger pump simultaneously, the clearance subassembly is installed near the axial clamping component to the axle of axial plunger pump, prevents that the impurity from getting into and causing the damage to the pump when sealing the detection, there is a restriction gasbag removal's an inflation component, and then realizes driving axial clamping component and carry out the condition of revealing to axial plunger pump axial clamping to the oil inlet of axial plunger pump, install near the axial plunger pump and be used for two radial clamping components and then to press from both sides the axial plunger pump, realize radial clamping of axial plunger pump and axial sealing and shutoff.

The axial clamping assembly comprises a fixed plate, a clamping plate, a gear, a rack, a fixed rod, a clamping plate, a first movable rod, a limiting plate, a spring, a movable barrel and a movable groove, wherein the movable groove for the clamping plate to move left and right is formed in the fixed plate, the movable barrel for the movable rod to move left and right is mounted on the fixed plate, the fixed plate is symmetrically arranged left and right, the clamping plate is slidably connected with the fixed rod, the fixed plate plays a limiting position for the clamping plate and slides along the fixed rod, the lower side of the fixed plate is rotationally connected with the gear, the fixed plate is symmetrically arranged with the rack, the rack is meshed with the gear, one side of the rack on the right is fixedly provided with a left clamping plate, the other side of the rack on the right is slidably connected with the clamping plate, the other side of the rack on the left is slidably connected with the left clamping plate, the movable rod drives the left side to move towards the right while moving towards the right, the gear and the rack on the right is matched with the clamping plate, the piston is prevented from damaging the axial direction of the piston pump by the axial piston pump, and the axial piston is prevented from being damaged by the axial clamping plate.

The cleaning assembly comprises a crank, a connecting rod, a sliding block and a hairbrush, wherein the crank is rotationally connected with the gear, the crank is rotationally connected with the connecting rod, and the ratio of the length of the crank shaft to the length of the gear is 3:2 for the transmission is more steady moment, reduces the shake of brush, thereby avoids causing the damage to axial plunger pump, the connecting rod rotates with the slider to be connected, set up the groove on the slider, the groove of seting up on the slider along the direction of movement of slider to be close to the edge of slider, avoid the auto-lock through seting up the groove on the slider, thereby improve the clearance effect of brush counter shaft, simultaneously, the groove of seting up on the slider has avoided providing the unable rotation of gear that leads to the cracked condition of gear, slider and brush fixed connection, the crank is the connecting rod power when pivoted, the crank drives the connecting rod and rotates when pivoted, the connecting rod rotates and drives the slider and remove, and the removal of slider drives the brush and remove, and then drives the brush and reciprocate about the axle of axial plunger pump, avoids axial plunger pump when carrying out sealed detection the reciprocating movement of axle and can drive the outside entering axial plunger pump of axial plunger pump, and then causes the damage to the inside dust of axial plunger pump.

The first inflation assembly comprises a first air pipe, a limiting groove and a first annular air bag, the first air pipe is fixedly arranged on the air pump, the limiting groove is formed in the first air pipe, the air bag is arranged on the limiting groove, the air bag is used for blocking an oil inlet of the axial plunger pump, the first annular air bag is clamped with the oil inlet of the axial plunger pump, the air pump is used for inflating the first annular air bag, the first annular air bag is arranged on the right side of the clamping assembly, the first annular air bag provides power for the axial clamping assembly, the clamping assembly is driven to clamp the axial plunger pump, meanwhile, the first annular air bag provides radial force for the second clamping plate, and the clamping effect of the axial plunger pump is enhanced; the air pump inflates the air bag, so that the air bag can plug the oil inlet of the axial plunger pump, release of pressure in the plunger pump and interference of external gas are prevented, and accuracy of sealing detection of the axial plunger pump is improved.

The radial clamping assembly comprises a second moving rod, a limiting frame, a plastic strip, a second clamping plate and a rectangular block, wherein the second moving rod is fixedly arranged near the axial plunger pump, the limiting frame is fixedly arranged at the bottom of the shell, the limiting frame plays a limiting role in the moving position of the second clamping plate, the second moving rod is slidably connected with the second clamping plate, the second clamping plate plays a clamping and fixing effect on the radial direction of the axial plunger pump, the rectangular block is fixedly arranged on the left side of the second clamping plate, the air charging assembly is used for supplying power to the axial clamping assembly, the air charging assembly is used for pushing the left clamping plate of the second clamping plate to clamp and fix the axial plunger pump, the rectangular block is fixedly arranged on the first annular air bag, the rectangular block is prevented from sliding off from the first annular air bag, and meanwhile, the radial force dispersion of the first annular air bag on the second clamping plate is avoided, so that the clamping force of the second clamping plate on the axial plunger pump is insufficient.

The second inflation assembly comprises a second air pipe, a second annular air bag and a clamping block, the air pipe is a double-layer pipe, the air bag is fixedly arranged on the opening of the double-layer air pipe, the second annular air bag is clamped on a groove of an oil outlet of the axial plunger pump, one end of the fixing block is fixedly arranged on the inner side of the shell, the fixing block is a telescopic block, the second annular air bag is inflated to drive the fixing block to move, the air bag seals the oil outlet of the axial plunger pump, the air pump inflates the second annular air bag, the second annular air bag pushes the clamping block to move, and then the clamping block provides radial force for the axial clamping assembly, so that the axial clamping assembly can enhance the clamping effect of the axial plunger pump.

Preferably, the inner side of the second clamping plate is provided with a plastic strip, the friction coefficient of the plastic strip is 0.2-0.4, so that the risk of clamping and sideslip of the plastic strip in the process of clamping the axial plunger pump is reduced, compared with a metal material, the plastic strip has excellent wear resistance, the hardness of the plastic strip is matched with the hardness of the surface of the axial plunger pump, the surface of the axial plunger pump cannot be worn due to the rigidity and hardness of the plastic strip, the support effect is lost due to the softness of the plastic strip, the surface of the axial plunger pump is prevented from being smooth by the plastic strip, the clamping effect of the second clamping plate on the axial plunger pump is insufficient, and meanwhile, the plastic strip enables the axial plunger pump to be clamped and simultaneously reduces the wear of the surface of the axial plunger pump; when the friction coefficient of the plastic strip is less than 0.2, the plastic strip is easy to slide, so that the axial plunger pump cannot be clamped, and when the friction coefficient of the plastic strip exceeds 0.4, the plastic strip is too stiff, and the surface of the axial plunger pump can be damaged.

Preferably, the length of the connecting rod is 2-3 times of the length of the crank, so that the movement of the sliding block is stable, the moving distance of the hairbrush is limited, the cleaning effect of the hairbrush on the shaft of the axial plunger pump is improved, and the damage to the axial plunger pump caused by unstable movement is avoided.

Preferably, the roughness of the moving rod is Ra0.4μm-Ra0.6μm, so that the slipping phenomenon is avoided when the annular air bag pushes the moving rod to move, meanwhile, the friction radial force between the annular air bag and the moving rod is reduced, the moving rod is prevented from being broken due to the radial force, meanwhile, the force of the annular air bag to the moving rod in the horizontal direction is shared by the radial force of the moving rod, and the clamping force of the clamping device to the axial plunger pump is insufficient; the roughness of the movable rod is less than Ra0.4mu m, so that slippage occurs in the process that the air bag pushes the movable rod to move; the roughness of the moving rod exceeding Ra0.6μm causes additional friction between the moving rod and the balloon, which in turn causes damage to the surface of the balloon.

A limiting groove is formed in an air inlet pipe of the air pump, the groove in the air inlet pipe plays a fixed role on the air bag, the air bag is prevented from entering the axial plunger pump along the force of an air inlet of the axial plunger pump in the air inflation process of the air pump, and meanwhile the limiting groove formed in the air inlet pipe plays a limiting role on the air inflow and the air suction quantity of the air pump to the axial plunger pump.

The invention has the beneficial effects that:

1. according to the axial plunger pump sealing detection device, the specific position is detected in a gas reciprocating flow mode, meanwhile, the axial plunger pump sealing detection device is convenient to disassemble, assemble and connect in a sealing mode, an axial clamping assembly is used for clamping and fixing the axial plunger pump, a cleaning assembly near the axial clamping assembly plays a role in cleaning the axial plunger pump, and accuracy of sealing detection is improved.

2. According to the axial plunger pump seal detection device, the first inflation assembly is matched with the axial clamping assembly, the first inflation assembly provides power for the axial clamping assembly, and meanwhile, the radial clamping effect of the radial clamping assembly on the axial plunger pump is enhanced by the first inflation assembly, so that the stability of seal detection is improved.

3. According to the axial seal detection device, the first inflation component is matched with the second inflation component, the first inflation component is used for plugging an oil inlet of the axial plunger pump, the second inflation component is used for plugging an oil outlet of the axial plunger pump, and the axial plunger pump is subjected to seal detection in a mode of plugging an oil inlet and an oil outlet, so that the specific leakage position of the axial plunger pump can be conveniently determined.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an axial clamping assembly of the present invention;

FIG. 2 is a schematic illustration of the construction of the first inflation assembly, cleaning assembly and axial clamping assembly of the present invention;

FIG. 3 is a schematic view of the overall assembly of the present invention;

FIG. 4 is a schematic view of a cleaning assembly according to the present invention;

FIG. 5 is a schematic view of a first inflatable module according to the present invention;

FIG. 6 is a schematic view of a radial clamping assembly of the present invention;

FIG. 7 is a schematic view of a second inflatable module according to the present invention;

FIG. 8 is a top view of the axial clamp assembly of the present invention;

in the figure: 1. a housing; 11. a placement table; 2. an axial clamping assembly; 21. a fixing plate; 211. a moving groove; 22. a first clamping plate; 23. a gear; 24. a rack; 25. a fixed rod; 26. a first movable rod; 27. a limiting plate; 28. a spring; 29. a moving cylinder; 3. a first inflation assembly; 31. a first air pipe; 32. a limit groove; 33. a first annular air bag; 4. cleaning the assembly; 41. a crank; 42. a connecting rod; 43. a slide block; 44. a brush; 5. a second inflation assembly; 51. a second air pipe; 52. a second annular air bag; 53. a clamping block; 6. a radial clamping assembly; 61. a second movable rod; 62. a limiting frame; 63. a plastic strip; 64. a second clamping plate; 65. a rectangular block; 7. an air pump; 8. an air bag; 9. an axial plunger pump.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Embodiment one: the utility model provides an axial plunger pump 9 sealing detection device, includes shell 1, places platform 11, air pump 7 and axial plunger pump 9, still includes axial clamping component 2, clearance subassembly 4, radial clamping component 6, no. two inflation components 5 and No. one inflation components 3, shell 1 bottom fixed mounting has the platform 11 of placing that is used for fixed and supports axial plunger pump 9, axial plunger pump 9's both sides fixed mounting has the air pump 7 that is used for carrying out the air extraction and aerifing to axial plunger pump 9, axial clamping component 2 that is used for carrying out the clamp to axial plunger pump 9 axial is installed on the top of axial plunger pump 9, radial clamping component 6 fixed mounting is in the vicinity of axial plunger pump 9, and then the radial clamping fixed to axial plunger pump 9, clearance subassembly 4 that clear up the axle of axial plunger pump 9 is installed near clearance subassembly 4, and then improve axial plunger pump 9's durability and reliability, no. 3 installs near axial plunger pump 9, and then realize the clamp of drive clamping component and the oil inlet of axial plunger pump 9, install near axial plunger pump 9 and carry out the radial clamping component 5 to the shutoff of axial plunger pump 9.

The axial clamping assembly 2 comprises a fixed plate 21, a first clamping plate 22, a gear 23, a rack 24, a fixed rod 25, clamping plates, a first moving rod 26, a limiting plate 27, a spring 28, a moving cylinder 29 and a moving groove 211, wherein the moving groove 211 for the first clamping plate 22 to move left and right is formed in the fixed plate 21, the fixed plate 21 plays a role in limiting positions, the moving cylinder 29 for the first moving rod 26 to move left and right is mounted on the fixed plate 21, the fixed rod 25 is symmetrically arranged left and right on the fixed plate 21, the fixed rod 25 is connected with the fixed rod 25 in a sliding manner, a fixed block is arranged on the lower side of the fixed plate 21, the gear 23 is rotationally connected with the fixed plate 21, the rack 24 is symmetrically arranged on the left side and the right side, the rack 24 is meshed with the gear 23, one side of the rack 24 on the right side is fixedly provided with a left side clamping plate in the first clamping plate 22, the other side of the right side 24 is slidably connected with a right side in the second clamping plate 64, one side of the left side is fixedly provided with the moving cylinder 29 on the first clamping plate 26, the right side of the rack 22 on the left side is fixedly arranged with the second clamping plate 22, the piston rod 22 is axially clamped with the piston 9, and the piston 9 is axially clamped by the piston 9, and the piston 9 is prevented from being axially clamped by the piston 9.

The first moving rod 26 drives the left rack 24 to move to the right while moving, the gear 23 is meshed with the left rack 24, the rack 24 drives the gear 23 to rotate, the right rack 24 moves to the right while moving, the left rack 24 further drives the left clamping plate to move to the right, the first clamping plate 22 on the left is driven to move while the first clamping plate 22 on the right is driven to move by pushing the moving rod through the air bag, the first clamping plate 22 is further clamped to the axial plunger pump 9, and meanwhile the gear 23 provides power for the cleaning assembly 4.

The cleaning component 4 comprises a crank 41, a connecting rod 42, a sliding block 43 and a brush 44, the crank 41 is rotationally connected with the gear 23, the crank 41 is rotationally connected with the connecting rod 42, the connecting rod 42 is rotationally connected with the sliding block 43, the sliding block 43 is fixedly connected with the brush 44, the crank 41 provides power for the connecting rod 42 when rotating, the crank 41 drives the connecting rod 42 to rotate when rotating, the connecting rod 42 rotates to drive the sliding block 43 to move, the sliding block 43 moves to drive the brush 44 to move, then drive the brush 44 to move up and down, clean the shaft of the axial plunger pump 9, avoid the axial plunger pump 9 from reciprocating up and down when performing seal detection, and drive the shaft to reciprocate, and simultaneously drive dust outside the axial plunger pump 9 to enter the axial plunger pump 9 to cause damage to the inside of the axial plunger pump 9.

In the prior art, when the axial plunger pump 9 is used for sealing and detecting, an oil inlet and an oil outlet of the axial plunger pump 9 are plugged, high-pressure gas is introduced into the axial plunger pump 9 through an oil inlet of the axial plunger pump 9, the axial plunger pump 9 is placed into a water tank, whether bubbles in the water tank are overflowed or not is observed by a technician, the sealing performance of the axial plunger pump 9 is judged, if bubbles in water are overflowed, the sealing performance of the interior of the axial plunger pump 9 is poor, and if no bubbles are overflowed, the sealing performance of the axial plunger pump 9 is good, the effect of judging the sealing performance of the plunger pump is poor, meanwhile, the specific leakage position in the axial plunger pump 9 cannot be judged, and the subsequent maintenance is not facilitated.

The first inflation assembly 3 comprises a first air pipe 31, a limit groove 32 and a first annular air bag 33, the first air pipe 31 for exhausting and ventilating the axial plunger pump 9 is fixedly arranged on the air pump 7, a groove is formed in the first air pipe 31, an air bag is arranged on the first air pipe 31 groove, the air bag is used for blocking an oil inlet and an oil outlet of the axial plunger pump 9, the annular air bag is clamped at the oil inlet and the oil outlet of the axial plunger pump 9, and the annular air bag is arranged on the right side of the clamping assembly and is used for providing power for clamping of the clamping assembly; after the air pump 7 charges the air bag to plug the oil inlet of the axial plunger pump 9, the air pump 7 charges the annular air bag, and the air pump 7 charges the annular air bag in the process, so as to push the axial clamping assembly 2 to clamp the axial plunger pump 9.

The radial clamping assembly 6 comprises a second moving rod 61, a limiting frame 62, a second clamping plate 64 and a rectangular block 65, the second moving rod 61 is fixedly installed near the axial plunger pump 9, the limiting frame 62 is fixedly installed at the bottom of the shell 1, the limiting frame 62 plays a limiting role in the moving position of the second clamping plate 64, the second moving rod 61 is slidably connected with the second clamping plate 64, the second clamping plate 64 plays a clamping and fixing role in the radial direction of the axial plunger pump 9, the rectangular block 65 is fixedly installed on the left side of the second clamping plate 64, the air charging assembly provides power for the axial clamping assembly 2, the air charging assembly pushes the left clamping plate of the second clamping plate 64 to clamp and fix the axial plunger pump 9, the rectangular block 65 is fixedly installed on the first annular air bag 33, the fact that the rectangular block 65 slides from the first annular air bag 33 is avoided, and meanwhile, the radial force dispersion of the first annular air bag 33 on the second clamping plate 64 causes insufficient clamping force of the second clamping plate 64 on the axial plunger pump 9 is avoided.

The inside of the second clamping plate 64 is provided with the plastic strip 63, the friction coefficient of the plastic strip 63 is 0.2-0.4, so that the risk of clamping and sideslip of the plastic strip 63 in the process of clamping the axial plunger pump 9 is reduced, compared with a metal material, the plastic strip 63 has excellent wear resistance, the hardness of the plastic strip 63 is matched with the hardness of the surface of the axial plunger pump 9, the surface of the axial plunger pump 9 cannot be worn due to the rigidity and hardness of the plastic strip 63 and the supporting effect is lost due to the softness, the surface of the axial plunger pump 9 is prevented from being smooth by the plastic strip 63, the clamping effect of the second clamping plate 64 on the axial plunger pump 9 is insufficient, and meanwhile, the plastic strip 63 clamps the axial plunger pump 9 and simultaneously reduces the wear of the surface of the axial plunger pump 9.

Limiting the moving distance of the sliding block 43, limiting the cleaning distance of the brush 44, timely cleaning of the shaft of the axial plunger pump 9 is achieved, the shaft of the axial plunger pump 9 reciprocates under the condition that the inner part of the axial plunger pump 9 is well sealed when the oil inlet of the axial plunger pump 9 is detected in a sealing mode, dust attached to the surface of the axial plunger pump 9 is brought into the axial plunger pump 9 under the condition that the shaft reciprocates, and abrasion of the plunger is avoided under the condition that the plunger reciprocates with a closed cavity, so that detection results are affected when the oil outlet of the axial plunger pump 9 is detected in a sealing mode.

The second inflation assembly 5 comprises a second air pipe 51, an air bag, a second annular air bag 52 and a clamping block 53, the air pipe is a double-layer pipe, the air bag is fixedly arranged on a double-layer air pipe orifice, the air bag is clamped on a groove in an oil outlet of the axial plunger pump 9, one end of the fixing block is fixedly arranged on the inner side of the shell 1, the fixing block is a telescopic block, the second annular air bag 52 is inflated to drive the sliding block to move, the air bag seals the oil outlet of the axial plunger pump 9, the air pump 7 inflates the second annular air bag 52, the annular air bag pushes the clamping block 53 to move, and then the clamping block 53 provides radial force for the axial clamping assembly 2, so that the clamping effect of the axial plunger pump 9 by the axial clamping assembly 2 is enhanced.

The roughness of the movable rod is Ra0.4mu m-Ra0.6mu m, so that the phenomenon of slipping when the first annular air bag 33 pushes the movable rod to move is avoided, meanwhile, the friction radial force between the annular air bag and the movable rod is reduced, the movable rod is prevented from being broken due to the radial force, meanwhile, the movable rod is prevented from being subjected to the radial force to share the force of the annular air bag to the horizontal direction of the movable rod, and the clamping force of the clamping device to the axial plunger pump 9 is insufficient.

The air inlet pipe of the air pump is provided with the limit groove 32, the groove in the air inlet pipe plays a fixed role on the air bag, the air bag is prevented from being forced into the axial plunger pump 9 along the air inlet of the axial plunger pump 9 in the air inflation process of the air pump, and meanwhile, the limit groove 32 arranged in the air inlet pipe plays a limiting role on the air inflow and the air extraction quantity of the air pump to the axial plunger pump 9.

The air pump 7 inflates the annular air bag 33, the annular air bag 33 provides power for the axial clamping assembly 2 to drive the clamping assembly to clamp the axial plunger pump 9, and meanwhile, the annular air bag 33 provides radial force for the clamping plate 64, so that the clamping effect of the axial plunger pump 9 is enhanced.

Before the axial plunger pump 9 leaves the factory, the axial plunger pump 9 needs to be subjected to sealing detection, a worker places the axial plunger pump 9 on a placing table 11, the air pump 7 inflates the air bag, so that the air bag seals an oil inlet of the axial plunger pump 9, and meanwhile, the air pump 7 inflates the air bag, so that the air bag seals an oil outlet of the axial plunger pump 9; the air pump 7 inflates the annular air bag 33, meanwhile, the air pump 7 inflates the oil inlet of the axial plunger pump 9 through the air pipe, so that the air pressure in the axial plunger pump 9 is enhanced, if the sealing in the axial plunger pump 9 is good, the plunger in the axial plunger pump 9 reciprocates, the shaft of the axial plunger pump 9 moves reciprocally, the annular air bag 33 provides power for the axial clamping assembly 2, the axial clamping assembly 2 clamps and fixes the axial direction of the axial plunger pump 9 under the driving of the annular air bag 33, the cleaning assembly 4 cleans the shaft of the axial plunger pump 9 under the driving of the axial clamping assembly 2, dust attached to the surface of the axial plunger pump 9 enters the axial plunger pump 9 while preventing the axial plunger pump 9 from moving reciprocally, so that the abrasion of the axial plunger pump 9 is aggravated, the annular air bag 33 pushes the left clamping plate of the second clamping plate 64 to fix the left clamping plate of the second clamping plate 64 in the radial direction of the axial plunger pump 9; the air pump 7 inflates the annular air bag 52, and the annular air bag 52 pushes the right clamping plate of the clamping plate 64 to move on the moving rod 61, so that the clamping plate 64 clamps and fixes the radial direction of the radial plunger pump.

Embodiment two: the axial clamping assembly 2 comprises a fixed plate 21, a first clamping plate 22, a gear 23, a rack 24, a fixed rod 25, clamping plates, a first moving rod 26, a limiting plate 27, a spring 28, a moving cylinder 29 and a moving groove 211, wherein the fixed plate 21 is provided with a moving groove for the first clamping plate 22 to move left and right, the fixed plate 21 plays a role in limiting positions, the fixed plate 21 is provided with the moving cylinder 29 for the first moving rod 26 to move left and right, the fixed plate 21 is provided with the fixing rod 25 in a bilateral symmetry way, the clamping plates are connected with the fixing rod 25 in a sliding way, the lower side of the fixed plate 21 is rotationally connected with the gear 23, the fixed plate 21 is provided with the rack 24 in a bilateral symmetry way, the rack 24 is meshed with the gear 23, one side of the right side of the rack 24 is fixedly provided with a left clamping plate in the first clamping plate 22, one side of the left side of the rack 24 is fixedly provided with the right side clamping plate 29 in a limiting plate 22, one side of the left side of the rack 24 is fixedly provided with the right side clamping plate 22, the other side of the rack 24 is fixedly provided with the left side clamping plate 24 in the second clamping plate 22, the other side of the rack 24 is fixedly provided with the piston 9, and the piston is fixedly clamped to the piston 9 in the axial direction of the piston 9, and the piston is prevented from damaging the piston 9 in the axial direction, and the axial direction is fixedly connected with the piston 27, and the piston 9 is clamped to the piston 9.

The cleaning assembly 4 is fixedly installed nearby the axial clamping assembly 2, the cleaning assembly 4 comprises an electric telescopic rod, a filter screen, a water tank and a brush 44, the filter screen is welded on the electric telescopic rod, the brush 44 is arranged in the filter screen, the electric telescopic rod drives the filter screen to move in the process of clamping the axial plunger pump 9 by the axial clamping assembly 2, the brush 44 in the filter screen cleans the shaft on the axial plunger pump 9, dust attached to the axial plunger pump 9 is filtered onto the filter screen, dust particles still can be attached to the axial plunger pump 9 when the brush 44 cleans the axial plunger pump 9 under the influence of gravity and the like, the water tank is installed on the lower side of the filter screen, so that the surface of the axial plunger pump 9 is prevented from being corroded after the axial plunger pump 9 is used, the axial plunger pump 9 is matched with the cleaning assembly 4, meanwhile, the dust attached to the surface of the axial plunger pump 9 is collected, and the surface of the axial plunger pump 9 is prevented from being damaged due to the fact that the axial plunger pump 9 is still required to be sealed after the axial plunger pump 9 is used, and the axial plunger pump 9 is not damaged due to the fact that the axial plunger pump is required to be cleaned.

After the axial plunger pump 9 is used, the axial plunger pump 9 still needs sealing detection, the axial plunger pump 9 is disassembled, the axial plunger pump 9 is cleaned, parts which are worn and damaged in the axial plunger pump 9 are replaced, moisture in the axial plunger pump 9 is blown dry firstly by the air pump 7 of the axial plunger pump 9, the detection effect is prevented from being influenced by water attached to the axial plunger pump 9, the air pump 7 inflates the air bag, the oil outlet of the axial plunger pump 9 is plugged, the air pump 7 inflates the air bag and the annular air bag 33 of the axial plunger pump 9, the axial clamping assembly 2 clamps the axial plunger pump 9 under the driving of the annular air bag 33, the cleaning assembly 4 simultaneously cleans the shaft, dust particles are prevented from being brought into the axial plunger pump 9 in the process of axial movement of the axial plunger pump 9, the piston and the sealing cavity are subjected to reciprocating movement, the air pump 7 air-extracts the axial plunger pump 9, the air pump is judged to have the sealing property of the axial plunger pump 9 through the movement of the shaft, the electric telescopic rod drives the filter screen to reciprocate the shaft plunger pump 9, and simultaneously the air pump 9 is cleaned by the dust attached to the filter screen 9, and the axial filter screen is simultaneously cleaned by the axial telescopic rod is driven to the filter screen 9 to reciprocate the axial rod, and the filter screen is simultaneously cleaned.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an axial plunger pump seal detection device, includes shell (1), places platform (11), air pump (7), gasbag (8), axial plunger pump (9), its characterized in that: still include axial clamping assembly (2), clearance subassembly (4), radial clamping assembly (6), no. two inflation assembly (5) and No. one inflation assembly (3), shell (1) bottom fixed mounting has places platform (11), the both sides fixed mounting of axial plunger pump (9) has air pump (7), axial clamping assembly (2) that are used for protecting axial plunger pump (9) surface from damaging are installed on the top of axial plunger pump (9), radial clamping assembly (6) fixed mounting is in the vicinity of axial plunger pump (9), clearance subassembly (4) are installed near axial clamping assembly (2), no. one inflation assembly (3) that restrict the removal of gasbag (8) are installed near axial plunger pump (9), no. two inflation assembly (5) that are used for pressing from both sides tight axial plunger pump (9) are installed near axial plunger pump (9), gasbag (8) are installed near the inlet and outlet of axial plunger pump (9).

2. The axial plunger pump seal detection device according to claim 1, wherein: the axial clamping assembly (2) comprises a fixed plate (21), a first clamping plate (22), a gear (23), a rack (24), a fixed rod (25), a first moving rod (26), a limiting plate (27), a spring (28), a moving cylinder (29) and a moving groove (211), the moving groove (211) is formed in the fixed plate (21), the moving cylinder (29) is mounted on the fixed plate (21), the first moving rod (26) is symmetrically arranged left and right on the fixed plate (21), the gear (23) is rotationally connected to the lower side of the fixed plate, the rack (24) is meshed with the gear (23), one side of the rack (24) on the front side is fixedly provided with a left clamping plate in the first clamping plate (22), one side of the rack (24) on the rear side is fixedly provided with a right side clamping plate in the first clamping plate (22), and the other side of the rack (24) on the rear side is fixedly provided with a semicircular clamping plate (27) in the first clamping plate.

3. The axial plunger pump seal detection device according to claim 1, wherein: the second inflation assembly (5) comprises a second air pipe (51), a second annular air bag (52) and a clamping block (53), the second air pipe (51) is a double-layer pipe, the air bag (8) is fixedly installed at the mouth of the second air pipe (51), the second annular air bag (52) is clamped on the groove of the oil outlet of the axial plunger pump (9), one end of the clamping block (53) is fixedly installed on the inner side of the shell (1), and the clamping block (53) is a telescopic block.

4. The axial plunger pump seal detection device according to claim 1, wherein: radial clamping assembly (6) are including No. two movable rods (61), spacing (62), plastic strip (63), no. two splint (64) and rectangle piece (65), no. two movable rods (61) fixed mounting are near axial plunger pump (9), spacing (62) fixed mounting is in shell (1) bottom, no. two movable rods (61) sliding connection have No. two splint (64), rectangle piece (65) fixed mounting is on annular gasbag (33) No. one, plastic strip (63) have been seted up to No. two splint (64) inboard.

5. The axial plunger pump seal detection device according to claim 1, wherein: the first inflation assembly (3) comprises a first air pipe (31), a limiting groove (32) and a first annular air bag (33), a double-layer interlayer is arranged in the first air pipe (31), the limiting groove (32) is formed in the first air pipe (31), the air bag (8) is fixedly mounted on the limiting groove (32), the first annular air bag (33) is clamped at the oil inlet of the axial plunger pump (9), and the first annular air bag (33) is fixedly mounted on the right side of the axial clamping assembly (2).

6. The axial plunger pump seal detection device according to claim 2, wherein: the cleaning assembly (4) comprises a crank (41), a connecting rod (42), a sliding block (43) and a brush (44), wherein the crank (41) is rotationally connected with the gear (23), and the ratio of the axial length of the crank (41) to the axial length of the gear (23) is 3:2, the crank (41) is rotationally connected with the connecting rod (42), the connecting rod (42) is rotationally connected with the sliding block (43), a groove is formed in the sliding block (43), and the sliding block (43) is fixedly connected with the hairbrush (44).

7. The axial plunger pump seal inspection device according to claim 6, wherein: the length of the connecting rod (42) is 2-3 times of the length of the crank (41).