CN219715125U

CN219715125U - Piston reciprocating wear resistance detection device

Info

Publication number: CN219715125U
Application number: CN202320679792.4U
Authority: CN
Inventors: 张步军
Original assignee: Yangzhou Junxing Automobile Industry Co ltd
Current assignee: Yangzhou Junxing Automobile Industry Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-19
Anticipated expiration: 2033-03-30

Abstract

The utility model belongs to the technical field of piston wear-resistant detection, and particularly relates to a piston reciprocating wear-resistant detection device which comprises a base, wherein the upper left end of the base is provided with a sliding groove, a moving block is connected to the sliding groove in a sliding manner, the upper end surface of the moving block is connected with a reciprocating plate, a moving assembly for driving the reciprocating plate to reciprocate is arranged on the base, a positioning pipe is fixedly arranged on the reciprocating plate in a penetrating manner, a positioning assembly for positioning a piston is arranged on the positioning pipe, the upper right end of the base is connected with a mounting frame, a piston to be detected is sleeved at the end part of the right end of the positioning pipe, and the piston to be detected can perform reciprocating friction with a friction plate.

Description

Piston reciprocating wear resistance detection device

Technical Field

The utility model relates to the technical field of piston wear resistance detection, in particular to a piston reciprocating wear resistance detection device.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is a heart of a refrigerating system, and the compressor sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the low-temperature low-pressure refrigerant gas through motor operation, and then discharges high-temperature high-pressure refrigerant gas to an exhaust pipe to power a refrigerating cycle, so that the refrigerating cycle of compression, condensation, expansion and evaporation is realized.

However, the problem that the leak appears in the piston inside the current compressor easily appears wearing and tearing and causes the leakproofness to reduce, consequently need wear resistance detection device to carry out wear resistance detection to the piston, conventional wear resistance detection is directly through a pivoted friction device to carry out wear resistance test to the accessory surface, but the piston is reciprocating motion state from top to bottom in the compressor inside, pivoted friction device can not be fine imitate the actual motion state of piston and detect it, and then influence the detection precision of piston wear resistance, and for this reason, we propose the reciprocal wear resistance detection device of piston.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a piston reciprocating wear resistance detection device, which solves the problem of the background.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a reciprocating wear resistance detection device of piston, includes the base, the spout has been seted up to the upper left end of base, sliding connection has the movable block on the spout, the up end fixedly connected with reciprocating plate of movable block, install the motion subassembly that is used for driving reciprocating plate reciprocating motion on the base, the fixed locating tube that wears to be equipped with on the reciprocating plate, install the locating component that is used for carrying out the location to the piston on the locating tube, the upper right end fixedly connected with mounting bracket of base, the internal thread cover of symmetric distribution about two sets of rotation installation on the mounting bracket, the screw is worn to be equipped with by the internal thread cover upper thread, and the equal fixed mounting of relative one end of upper and lower screw has pressure sensor, install the friction plate on the pressure sensor, install the synchronous pivoted drive assembly of internal thread cover that is used for driving upper and lower side on the mounting bracket.

Preferably, the motion subassembly includes the backup pad, backup pad fixed connection in the up end of base, and the bolt installation has driving motor in the backup pad, driving motor's output fixedly connected with carousel, the reciprocating plate passes through a plurality of connecting rods fixedly connected with linking frame, the inside sliding connection of linking frame has the slider, rotate between slider and the carousel and install the connecting axle.

Preferably, the locating component includes the link, link fixed connection is in the left side of locating pipe, rotate on the link and wear to be equipped with the worm, the top fixedly connected with hand wheel of worm, the inside rotation of locating pipe installs the bull stick, the left side of locating pipe is worn to establish in the rotation of the left end of bull stick, and the left end fixedly connected with worm wheel of bull stick, worm wheel and worm meshing, the surface fixed cover of bull stick is equipped with a plurality of supporting blocks, the upside of supporting the piece all is provided with the reference column, the reference column slides and wears to establish on the locating pipe, the reference column is close to the tip fixedly connected with cooperation piece of supporting the piece, the surface cover of reference column is equipped with the spring, the one end and the inner wall fixed connection of locating pipe of spring, the other end and the cooperation piece fixed connection of spring.

Preferably, the transmission assembly comprises a double-shaft motor, the output end of the double-shaft motor is fixedly connected with a driving sprocket, the outer surface of the internal thread sleeve is fixedly sleeved with a driven sprocket, and a chain is connected between the driven sprocket and the driving sprocket.

Preferably, the mounting frame is provided with a sliding port, the upper part and the lower part of the inside of the sliding port are both in sliding connection with limiting blocks, and the limiting blocks are fixedly connected with corresponding friction plates.

Preferably, friction lines are arranged on the outer surface of the hand wheel.

Advantageous effects

The utility model provides a piston reciprocating wear resistance detection device. Compared with the prior art, the device has the following

The beneficial effects are that:

1. this wear resistance detection device can be with waiting to detect the piston location on the registration arm through locating component, drives the internal thread cover of upper and lower side and rotates simultaneously through drive assembly, because the lead screw thread wears to establish on the internal thread cover, upper and lower friction plate will relative motion when the internal thread cover rotates, and upper and lower friction plate wraps up waiting to detect the piston, and the pressure sensor that sets up can detect whether the pressure between friction plate and waiting to detect the piston is the friction pressure between piston and the inside piping of compressor.

2. This wear resistance detection device, motion subassembly can drive reciprocating plate, registration arm and wait to detect piston left and right reciprocating motion, makes wait to detect the piston and will rub with the friction plate, and then realizes detecting the wear resistance of piston, and reciprocating friction compares conventional rotation friction, the actual motion of simulation piston that can be better, and then can improve wear resistance detection accuracy.

Drawings

FIG. 1 is a schematic elevational view of the main body of the present utility model;

FIG. 2 is a schematic rear view of the main body of the present utility model;

FIG. 3 is a schematic view of the internal structure of the positioning tube of the main body of the present utility model.

In the figure: 1. a base; 2. a slide block; 3. a turntable; 4. a connection frame; 5. a connecting rod; 6. a hand wheel; 7. a connecting frame; 8. a positioning tube; 9. a friction plate; 10. a pressure sensor; 11. an internal thread sleeve; 12. a mounting frame; 13. a screw rod; 14. a shuttle plate; 15. a moving block; 16. a chute; 17. a driving motor; 18. a worm wheel; 19. a worm; 20. a chain; 21. a sliding port; 22. a biaxial motor; 23. a limiting block; 24. positioning columns; 25. a spring; 26. a mating block; 27. abutting blocks; 28. and (5) rotating the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a piston reciprocating wear resistance detection device, including base 1, spout 16 has been seted up to the upper left end of base 1, sliding connection has movable block 15 on the spout 16, the up end fixedly connected with reciprocating plate 14 of movable block 15, install the motion subassembly that is used for driving reciprocating plate 14 reciprocating motion on the base 1, fixed the wearing is equipped with locating tube 8 on the reciprocating plate 14, install the locating component that is used for carrying out the location to the piston on the locating tube 8, the upper right end fixedly connected with mounting bracket 12 of base 1, rotationally install two sets of internal thread cover 11 of upper and lower symmetric distribution on the mounting bracket 12, screw rod 13 is worn to the screw thread on the internal thread cover 11, the equal fixed mounting of relative one end of upper and lower screw rod 13 has pressure sensor 10, install friction plate 9 on the pressure sensor 10, install the transmission subassembly that is used for driving the synchronous rotation of internal thread cover 11 of upper and lower side on the mounting bracket 12.

When the piston to be detected is sleeved at the right end part of the positioning pipe 8 and is positioned on the positioning pipe 8 through the positioning component, then the transmission component drives the upper inner thread sleeve 11 and the lower inner thread sleeve 11 to rotate simultaneously, the screw rod 13 is threaded on the inner thread sleeve 11, the upper friction plate 9 and the lower friction plate 9 relatively move when the inner thread sleeve 11 rotates, the piston to be detected is wrapped by the upper friction plate 9 and the lower friction plate 9, when the pressure sensor 10 detects that the pressure between the friction plate 9 and the piston to be detected is the friction pressure between the piston and the internal piping of the compressor, the transmission component stops working, and then the movement component drives the reciprocating plate 15, the positioning pipe 8 and the piston to be detected to reciprocate left and right, the piston to be detected rubs with the friction plate 9, so that the abrasion resistance of the piston is detected.

The motion subassembly includes the backup pad, backup pad fixed connection is in the up end of base 1, and the bolt-up has driving motor 17 in the backup pad, and driving motor 17's output fixedly connected with carousel 3, reciprocating plate 14 pass through a plurality of connecting rods 5 fixedly connected with linking frame 4, and linking frame 4's inside sliding connection has slider 2, rotates between slider 2 and the carousel 3 and installs the connecting axle.

When the motion assembly is used, the driving motor 17 is started, the driving motor 17 drives the turntable 3 to rotate, the slider 2 is pulled to move along the inside of the connecting frame 4 through the connecting shaft when the turntable 3 rotates, and at the moment, the connecting frame 4 drives the reciprocating plate 14 to reciprocate left and right.

The locating component includes link 7, link 7 fixed connection is in the left side of stand 8, rotate on link 7 and wear to be equipped with worm 19, the top fixedly connected with hand wheel 6 of worm 19, the bull stick 28 is installed in the inside rotation of stand 8, the left side of stand 8 is worn to establish in the rotation of bull stick 28, and the left end fixedly connected with worm wheel 18 of bull stick 28, worm wheel 18 and worm 19 meshing, the fixed cover of surface of bull stick 28 is equipped with a plurality of support piece 27, the upper and lower side of support piece 27 all is provided with reference column 24, reference column 24 slides and wears to establish on stand 8, the end fixedly connected with cooperation piece 26 that the reference column 24 is close to support piece 27, the surface cover of reference column 24 is equipped with spring 25, the one end and the inner wall fixed connection of stand 8 of spring 25, the other end and the cooperation piece 26 fixed connection of spring 25.

When the locating component is used, the piston to be detected is sleeved at the right end part of the locating pipe 8, then the hand wheel 6 is rotated, the hand wheel 6 drives the worm 19 to rotate, the worm wheel 18 is meshed with the worm 19, the rotating rod 28 is driven to rotate, the abutting block 27 is driven to rotate towards the direction of the matching block 26 when the rotating rod 28 rotates, the locating column 24 stretches outwards at the moment, the spring 25 is compressed, and then the piston to be detected can be located.

The transmission assembly comprises a double-shaft motor 22, the output end of the double-shaft motor 22 is fixedly connected with a driving sprocket, the outer surface of the internal thread sleeve 11 is fixedly sleeved with a driven sprocket, and a chain 20 is connected between the driven sprocket and the driving sprocket.

When the transmission assembly is used, the double-shaft motor 22 is started, the double-shaft motor 22 drives the driving sprocket to rotate, and the driven sprocket and the driving sprocket are connected with the chain 20, so that the double-shaft motor 22 drives the upper internal thread sleeve 11 and the lower internal thread sleeve 11 to rotate simultaneously when in operation.

The mounting frame 12 is provided with a sliding opening 21, limiting blocks 23 are connected to the upper and lower sides of the inside of the sliding opening 21 in a sliding manner, and the limiting blocks 23 are fixedly connected with the corresponding friction plates 9.

When the friction plate 9 moves up and down, the limiting block 23 is pulled to slide along the inner wall of the sliding port 21, so that the friction plate 9 can move up and down stably.

The outer surface of the hand wheel 6 is provided with friction lines, so that the friction force of the hand wheel 6 is improved, and a person can conveniently rotate the hand wheel 6.

Working principle: when in use, the piston to be detected is sleeved at the right end part of the positioning tube 8, then the hand wheel 6 is rotated, the hand wheel 6 drives the worm 19 to rotate, the worm wheel 18 is meshed with the worm 28 to drive the rotating rod 28 to rotate, the abutting block 27 is driven to rotate towards the direction of the matching block 26 when the rotating rod 28 rotates, the positioning column 24 stretches outwards at the moment, the spring 25 is compressed, and the piston to be detected can be positioned,

then, starting the double-shaft motor 22, wherein the double-shaft motor 22 drives the driving sprocket to rotate, and the driven sprocket is connected with the driving sprocket through a chain 20, so that the double-shaft motor 22 drives the upper and lower internal thread sleeves 11 to rotate simultaneously when working, and the upper and lower friction plates 9 relatively move when the internal thread sleeves 11 rotate due to the fact that the screw rod 13 is threaded on the internal thread sleeves 11, the upper and lower friction plates 9 wrap the piston to be detected, and when the pressure sensor 10 detects that the pressure between the friction plates 9 and the piston to be detected is the friction pressure between the piston and the internal piping of the compressor, the transmission assembly stops working;

then start driving motor 17, driving motor 17 will drive carousel 3 rotation, will be through the internal motion of connecting box 4 of connecting axle pulling slider 2 when carousel 3 rotates, connecting box 4 will drive reciprocating plate 14 left and right sides reciprocating motion this moment, wait to detect the piston and will rub with friction plate 9, and then realize detecting the wearability of piston, reciprocating friction compares conventional rotation friction, simulation piston actual motion state that can be better, and then can improve wearability detection accuracy.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. Piston reciprocating wear resistance detection device, including base (1), its characterized in that: the novel piston positioning device is characterized in that a sliding groove (16) is formed in the upper left end of the base (1), a moving block (15) is connected to the sliding groove (16) in a sliding mode, a reciprocating plate (14) is fixedly connected to the upper end face of the moving block (15), a motion assembly for driving the reciprocating plate (14) to reciprocate is mounted on the base (1), a positioning tube (8) is fixedly arranged on the reciprocating plate (14), a positioning assembly for positioning a piston is mounted on the positioning tube (8), a mounting frame (12) is fixedly connected to the upper right end of the base (1), two groups of inner thread sleeves (11) which are vertically symmetrically distributed are rotatably mounted on the mounting frame (12), screw rods (13) are arranged on the inner thread sleeves (11) in a penetrating mode, pressure sensors (10) are fixedly mounted at opposite ends of the upper screw rods and the lower screw rods (13), and friction plates (9) are mounted on the pressure sensors (10), and a transmission assembly for driving the inner thread sleeves (11) below the mounting frame (12) to synchronously rotate.

2. The piston reciprocation wear resistance detecting device according to claim 1, wherein: the motion subassembly includes the backup pad, backup pad fixed connection in the up end of base (1), and the bolt installation has driving motor (17) in the backup pad, the output fixedly connected with carousel (3) of driving motor (17), reciprocating plate (14) are through a plurality of connecting rods (5) fixedly connected with linking frame (4), the inside sliding connection of linking frame (4) has slider (2), rotate between slider (2) and carousel (3) and install the connecting axle.

3. The piston reciprocation wear resistance detecting device according to claim 2, wherein: the locating component includes link (7), link (7) fixed connection is in the left side of stand (8), rotate on link (7) and wear to be equipped with worm (19), the top fixedly connected with hand wheel (6) of worm (19), the bull stick (28) is installed in the inside rotation of stand (8), the left side of stand (8) is worn to establish in the left end rotation of bull stick (28), and the left end fixedly connected with worm wheel (18) of bull stick (28), worm wheel (18) and worm (19) meshing, the fixed cover of surface of bull stick (28) is equipped with a plurality of supporting piece (27), the upside and downside of supporting piece (27) all are provided with reference column (24), reference column (24) slide and wear to establish on stand (8), the tip fixedly connected with cooperation piece (26) that reference column (24) are close to supporting piece (27), the surface cover of reference column (24) is equipped with spring (25), the one end and the inner wall fixedly connected with worm wheel (18) of stand (8), the other end of spring (25) is fixedly connected with spring (26).

4. A piston reciprocation wear resistance detecting apparatus according to claim 3, wherein: the transmission assembly comprises a double-shaft motor (22), the output end of the double-shaft motor (22) is fixedly connected with a driving sprocket, the outer surface of the internal thread sleeve (11) is fixedly sleeved with a driven sprocket, and a chain (20) is connected between the driven sprocket and the driving sprocket.

5. The piston reciprocation wear resistance detecting device according to claim 4, wherein: the sliding port (21) is formed in the mounting frame (12), limiting blocks (23) are connected to the upper portion and the lower portion of the inner portion of the sliding port (21) in a sliding mode, and the limiting blocks (23) are fixedly connected with the corresponding friction plates (9).

6. The piston reciprocation wear resistance detecting device according to claim 5, wherein: the outer surface of the hand wheel (6) is provided with friction lines.