CN216558808U

CN216558808U - Reciprocating compressor piston ring wear detection device

Info

Publication number: CN216558808U
Application number: CN202121551279.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Yingnizhi Technology Co ltd
Current assignee: Guangdong Yingnizhi Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-05-17
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a reciprocating compressor piston ring abrasion detection device which comprises a compressor piston cylinder, wherein a first piston head and a second piston head are arranged inside the compressor piston cylinder, the first piston head is positioned on one side of the second piston head, a piston rod is fixedly connected between the first piston head and the second piston head through a bolt, a piston ring groove is formed in one outer wall of the first piston head, and a piston ring is embedded into the piston ring groove. This reciprocating compressor piston ring wearing and tearing detection device, through the inside measuring rod and the annular pressure sensor of first piston head, can detect the pressure value change of multiple spot on the piston ring, and then change through the measuring pressure value and judge the degree of wear of the different positions departments of piston ring, realize the omnidirectional wearing and tearing of piston ring and detect, improve the precision and the comprehensive nature that detect, and then the subsequent maintenance of being convenient for is changed.

Description

Reciprocating compressor piston ring wear detection device

Technical Field

The utility model relates to the technical field of compressors, in particular to a reciprocating compressor piston ring abrasion detection device.

Background

The compressor is a driven fluid machine for raising low-pressure gas into high-pressure gas, and is a heart of a refrigeration system, and is used for sucking low-temperature low-pressure refrigerant gas from a suction pipe, compressing the refrigerant gas by driving a piston through the operation of a motor, and then discharging high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle, so that the refrigeration cycle of compression → condensation → expansion → evaporation is realized.

However, the piston ring in the existing compressor is easy to wear, so that the sealing performance is reduced, and the leakage problem is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reciprocating compressor piston ring abrasion detection device, which aims to solve the problems that the abrasion of the piston ring of the existing compressor is difficult to detect and can only be detected when leakage occurs, so that the damage in the compressor is difficult to compensate in time and the abrasion degree of the piston ring cannot be detected constantly.

In order to achieve the purpose, the utility model provides the following technical scheme: a reciprocating compressor piston ring abrasion detection device comprises a compressor piston cylinder, wherein a first piston head and a second piston head are arranged inside the compressor piston cylinder, the first piston head is positioned on one side of the second piston head, a piston rod is fixedly connected between the first piston head and the second piston head through a bolt, a piston ring groove is formed in the outer wall of the first piston head, a piston ring is embedded into the piston ring groove, the inner central position of the first piston head is fixedly connected with an annular pressure sensor through a bolt, a limiting ring is fixedly connected with the position of one side of the inner wall of the first piston head, which is close to the annular pressure sensor, a detection rod penetrates through the outer wall of one side of the limiting ring, a limiting seat is arranged at one end, which is close to the detection rod, of the outer wall of one side of the annular pressure sensor, and an arc-shaped plate is arranged at one end, which is far away from the limiting seat, of the detection rod, the air pressure detection box is fixedly connected to the outer wall of one side of the compressor piston cylinder through a bolt, the electric control box is fixedly connected to the outer wall of one side of the compressor piston cylinder, which is far away from the air pressure detection box, the air pressure sensor is fixedly connected to the inner wall of one side of the air pressure detection box through a bolt, the controller and the wireless signal transceiver are fixedly connected to the inner wall of one side of the electric control box through a bolt, the controller is located on one side of the wireless signal transceiver, and a connecting hose is arranged between the piston rod and the electric control box.

Compared with the prior art, the utility model has the beneficial effects that: this reciprocating compressor piston ring wearing and tearing detection device, through inside measuring rod and the annular pressure sensor of first piston head, can detect the pressure value change of multiple spot on the piston ring, and then the degree of wear of the different positions departments of piston ring is judged through the change of measuring pressure value, realize the all-round wearing and tearing of piston ring and detect, improve the precision and the comprehensive nature that detect, and then be convenient for subsequent maintenance and change, whether leak gas is judged through the atmospheric pressure change between first piston head and the second piston head, and then detect the leakproofness of piston ring, thereby detect the wearing and tearing of piston ring.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the front internal construction of a first piston head of the present invention;

FIG. 3 is a side view of the internal structure of the first piston head of the present invention;

FIG. 4 is a front view of a test stick according to the present invention.

In the figure: 1. a compressor piston cylinder; 2. a first piston head; 3. a second piston head; 4. a piston rod; 5. a piston ring groove; 6. a piston ring; 7. an annular pressure sensor; 8. a limiting ring; 9. a detection lever; 10. a limiting seat; 11. an arc-shaped plate; 12. an air pressure detection box; 13. an electronic control box; 14. an air pressure sensor; 15. a controller; 16. a wireless signal transceiver; 17. a hose is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a reciprocating compressor piston ring abrasion detection device comprises a compressor piston cylinder 1, a first piston head 2 and a second piston head 3 are arranged inside the compressor piston cylinder 1, the first piston head 2 is positioned on one side of the second piston head 3, a piston rod 4 is fixedly connected between the first piston head 2 and the second piston head 3 through a bolt, a piston ring groove 5 is formed in one outer wall of the first piston head 2, a piston ring 6 is embedded into the piston ring groove 5, an annular pressure sensor 7 is fixedly connected to the central position of the inside of the first piston head 2 through a bolt, a limiting ring 8 is fixedly connected to one side position, close to the annular pressure sensor 7, on the inner wall of one side of the first piston head 2 through a bolt, a detection rod 9 penetrates through the outer wall of one side of the limiting ring 8, and a limiting seat 10 is arranged at one end, close to the detection rod 9, on the outer wall of one side of the annular pressure sensor 7, the one end of keeping away from spacing seat 10 on the gauge rod 9 is provided with arc 11, through bolt fixedly connected with air pressure detection box 12 on the outer wall of one side of compressor piston cylinder 1, and through the automatically controlled box 13 of bolt fixedly connected with on the outer wall of one side of keeping away from air pressure detection box 12 on the compressor piston cylinder 1, through bolt fixedly connected with baroceptor 14 on the inner wall of one side of air pressure detection box 12, through bolt fixedly connected with controller 15 and wireless signal transceiver 16 on the inner wall of one side of automatically controlled box 13, controller 15 is located one side of wireless signal transceiver 16, be provided with coupling hose 17 between piston rod 4 and automatically controlled box 13.

In the utility model: the two piston ring grooves 5 are arranged in total, and the two piston ring grooves 5 are symmetrically arranged on the outer wall of one side of the first piston head 2; ensuring the tightness of the movement of the first piston head 2.

In the utility model: a concave hole is formed in the outer wall of one side of the limiting seat 10 at a position close to one end of the detection rod 9; limiting when the detection rod 9 moves is facilitated.

In the utility model: the first piston head 2 and the second piston head 3 both perform piston movement in the interior of the compressor piston cylinder 1; ensuring the tightness of the movement of the first piston head 2 and the second piston head 3 inside the compressor piston cylinder 1.

In the utility model: the outer side surface of the arc-shaped plate 11 is matched with the inner side surface of the piston ring 6; ensuring that the arc plate 11 is tightly attached to the piston ring 6.

In the utility model: the annular pressure sensor 7, the air pressure sensor 14 and the wireless signal transceiver 16 are electrically connected with the controller 15; the detection of air pressure and pressure is facilitated.

The working principle is as follows: when the compressor is used, under the driving of a driving structure of the compressor, the first piston head 2 and the second piston head 3 perform reciprocating piston motion in the compressor piston cylinder 1, the second piston head 3 drives the first piston head 2 to move through the piston rod 4, the piston ring 6 moves along with the first piston head 2, when the piston ring 6 is worn, the friction force between the piston ring 6 and the compressor piston cylinder 1 changes, the extrusion force of the piston ring 6 on the arc-shaped plate 11 changes, the pressure value of the detection rod 9 extruded on the annular pressure sensor 7 changes through the transmission of the detection rod 9 on the extrusion force, the abrasion degree of the piston ring 6 is judged through the change of the pressure value detected by the annular pressure sensor 7, so that the subsequent maintenance and replacement are facilitated, when the first piston head 2 and the second piston head 3 synchronously move, the air pressure between the first piston head 2 and the second piston head 3 is in a constant state, the air pressure sensor 14 detects air pressure, and when the air pressure value changes, the air pressure value indicates that the first piston head 2 and the second piston head 3 leak air, and further indicates that the piston ring 6 on the first piston head 2 is possibly worn, so that subsequent maintenance and replacement can be performed in time.

In summary, the following steps: this reciprocating compressor piston ring wearing and tearing detection device, through the inside measuring rod 9 and the annular pressure sensor 7 of first piston head 2, can detect the pressure value change of multiple spot on the piston ring 6, and then judge the degree of wear of piston ring 6 different positions department through the change of measuring pressure value, realize that 6 omnidirectional wearing and tearing of piston ring detect, improve the precision and the comprehensive nature of detection, and then subsequent maintenance of being convenient for is changed, whether leak gas is judged through the atmospheric pressure change between first piston head 2 and the second piston head 3, and then detect piston ring 6's leakproofness, thereby detect piston ring 6's wearing and tearing.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Claims

1. The utility model provides a reciprocating compressor piston ring wear detection device, includes compressor piston cylinder (1), its characterized in that: the inside of compressor piston cylinder (1) is provided with first piston head (2) and second piston head (3), first piston head (2) are located one side of second piston head (3), and through bolt fixedly connected with piston rod (4) between first piston head (2) and second piston head (3), piston ring groove (5) have been seted up on an outer wall of first piston head (2), the inside embedding of piston ring groove (5) has piston ring (6), the inside central point department of first piston head (2) is through bolt fixedly connected with annular pressure sensor (7), and is close to one side position department of annular pressure sensor (7) on one side inner wall of first piston head (2) and has passed through bolt fixedly connected with spacing ring (8), it has detection pole (9) to run through on one side outer wall of spacing ring (8), the one end that is close to detection pole (9) on one side outer wall of annular pressure sensor (7) is provided with the spacing seat (10) The air pressure detection device is characterized in that an arc-shaped plate (11) is arranged at one end, away from a limiting seat (10), of the detection rod (9), an air pressure detection box (12) is fixedly connected onto one side outer wall of the compressor piston cylinder (1), an electric control box (13) is fixedly connected onto one side outer wall, away from the air pressure detection box (12), of the compressor piston cylinder (1), an air pressure sensor (14) is fixedly connected onto one side inner wall of the air pressure detection box (12), a controller (15) and a wireless signal transceiver (16) are fixedly connected onto one side inner wall of the electric control box (13), the controller (15) is located on one side of the wireless signal transceiver (16), and a connecting hose (17) is arranged between the piston rod (4) and the electric control box (13).

2. A reciprocating compressor piston ring wear detecting device as claimed in claim 1, wherein: the piston ring grooves (5) are arranged in two, and the two piston ring grooves (5) are symmetrically arranged on the outer wall of one side of the first piston head (2).

3. A reciprocating compressor piston ring wear detecting device as claimed in claim 1, wherein: a concave hole is formed in the position, close to one end of the detection rod (9), on the outer wall of one side of the limiting seat (10).

4. A reciprocating compressor piston ring wear detecting device as claimed in claim 1, wherein: the first piston head (2) and the second piston head (3) both perform piston motion in the compressor piston cylinder (1).

5. A reciprocating compressor piston ring wear detecting device as claimed in claim 1, wherein: the outer side surface of the arc-shaped plate (11) is matched with the inner side surface of the piston ring (6).

6. A reciprocating compressor piston ring wear detecting device as claimed in claim 1, wherein: the annular pressure sensor (7), the air pressure sensor (14) and the wireless signal transceiver (16) are electrically connected with the controller (15).