Vibration detection support of reciprocating compressor

Abstract

The utility model discloses a vibration detection support of a reciprocating compressor, and aims to overcome the defects of slow assembly and disassembly and low efficiency of a conventional vibration detection support. The device comprises a fixed disc, a rotating disc and positioning claws, a vibration detector is arranged on the fixed disc, the rotating disc is rotationally arranged on the fixed disc along the circle center of the fixed disc, the positioning claws are arranged in the circumferential direction of the rotating disc at equal intervals, and spiral protruding strips are arranged on the rotating disc. And the positioning claws are meshed with the spiral convex strips and synchronously move in the radial direction of the rotating disc. The device can be rapidly positioned and disassembled on the compressor in a rotating mode, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of vibration detection, and more specifically, to a vibration detection bracket for a reciprocating compressor. Background Art

[0002] The core component of refrigeration and dehumidification equipment is the internal compressor. The compressor increases the internal gas pressure and temperature by changing the volume of the internal compression chamber, and can achieve refrigeration and dehumidification in conjunction with a heat exchanger and expansion device.

[0003] Reciprocating compressors generate mechanical vibrations during operation, which are transmitted through the outer casing of the machine and may even resonate. In the inspection of reciprocating compressors specified in the national standard GB / T 7777-2021, the inspection point is located on the cylinder head of the cylinder, and the measurement is performed in three mutually perpendicular directions, namely the reciprocating direction (x direction), the crank axis direction (z direction), and the y direction perpendicular to the first two directions (y direction). Figure 1 shown.

[0004] The existing vibration detection method is to perform detection through a positioning bracket, but the disadvantage of the traditional method is that the positioning bracket is slow to load and unload, and the work efficiency is low. Summary of the invention

[0005] The utility model overcomes the shortcomings of slow loading and unloading and low efficiency of the existing vibration detection bracket, and provides a vibration detection bracket for a reciprocating compressor, which can improve the loading and unloading efficiency.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A vibration detection bracket for a reciprocating compressor comprises a fixed plate, a rotating plate and a positioning claw. The fixed plate is provided with a vibration detector. The rotating plate is rotatably arranged on the fixed plate along the center of the fixed plate. The positioning claws are arranged at equal intervals along the circumferential direction of the rotating plate. The rotating plate is provided with spiral convex strips. Each positioning claw is engaged with the spiral convex strips or spiral grooves and moves synchronously along the radial direction of the rotating plate.

[0008] The fixed disk positions the positioning claw, the rotating disk and the vibration detector. The positioning claw is positioned by the fixed disk and can move radially relative to the fixed disk. The rotating disk is positioned by the fixed disk and can rotate relative to the fixed disk. The positioning claw is driven by engaging with the spiral ribs. The positioning claw can self-lock by engaging with the spiral ribs. Therefore, it is only necessary to bring the fixed disk and the compressor closer so that the detection end of the vibration detector fits with the compressor. Then, by rotating the rotating disk, the positioning claw will feed and grasp the circular shape corresponding to the compressor, thereby realizing the positioning of the vibration detector.

[0009] Preferably, the rotating disk is annular, and the vibration detector on the fixed disk extends out from the inner ring hole of the rotating disk.

[0010] Preferably, a slider is fixedly connected to one side of the rotating disk facing the fixed disk, a guide groove is provided on the fixed disk, and the slider is slidably connected to the guide groove. The relative rotation of the rotating disk and the fixed disk is provided by a slider slideway pair formed by the slider and the guide groove.

[0011] Preferably, the slider has a thick section and a thin section, the slider extends into the guide groove, the thick section fits with the bottom wall of the guide groove, and the thin section is detachably connected to the rotating disk. When assembling the rotating disk and the fixed disk, the rotating disk and the fixed disk are matched, and then the slider is inserted from the back of the fixed disk and fixed to the rotating disk.

[0012] As a preferred embodiment, the positioning claw is inserted on the guide block, and the guide block is fixed on the fixed plate. The radial sliding limit of the positioning claw is achieved through the insertion and matching between the guide block and the positioning claw.

[0013] Preferably, the sliders are arranged on the rotating disk at equal intervals along the circumferential direction.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The device can be quickly positioned and disassembled on the compressor in a rotating manner, thereby improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of a compressor;

[0017] Figure 2 It is a three-dimensional diagram of the utility model;

[0018] Figure 3 It is a front view of the utility model;

[0019] Figure 4 yes Figure 3 Sectional view at AA in the middle;

[0020] In the figure: a fixed disk 1, a rotating disk 2, a spiral convex strip 21, a positioning claw 3, a vibration detector 4, a guide groove 5, a slider 6, a thick section 61, a thin section 62, and a guide block 7. DETAILED DESCRIPTION

[0021] The present disclosure is further described below in conjunction with the accompanying drawings and embodiments.

[0022] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present disclosure, and do not specifically refer to any part or element in the present disclosure and should not be understood as limitations on the present disclosure.

[0025] Example:

[0026] A vibration detection bracket for a reciprocating compressor, Figures 1 to 3 As shown, it includes a fixed disk 1, a rotating disk 2 and a positioning claw 3.

[0027] The center of the fixed plate 1 is fixedly connected with a vibration detector 4. From the inside to the outside, the fixed plate 1 has a through guide groove 5 and a second guide groove 5. The guide groove 5 and the second guide groove 5 have a larger groove width on one side away from the detection end of the vibration detector 4 and a smaller groove width on the other side. The guide groove 5 and the second guide groove 5 are concentrically arranged.

[0028] The rotating disk 2 is a disk body with a ring-shaped cross section. The inner ring hole is used to pass the vibration detector 4. The side of the rotating disk 2 away from the fixed disk 1 has a spiral groove or a spiral convex strip 21.

[0029] In some embodiments, the spiral ridge 21 or the spiral groove is arranged along the Archimedean spiral.

[0030] The surface of the positioning claw 3 has a plurality of partial spiral grooves or partial spiral protrusions. When the positioning claw 3 is in contact with the rotating disk 2, they can mesh with each other, so that when the rotating disk 2 and the positioning claw 3 rotate relative to each other, the positioning claw 3 can generate feed in the radial direction relative to the rotating disk 2.

[0031] In some embodiments, the number of the positioning claws 3 is three.

[0032] The rotating disk 2 is rotatably connected to the fixed disk 1. The connection method is that the slider 6 extends from the guide groove 5, and the slider 6 has a thick section 61 and a thin section 62. The thick section 61 fits the bottom wall of the guide groove 5, and the thin section 62 is detachably connected to the rotating disk 2. The slider 6 has a thick section 61 and a thin section 62. The slider 6 extends from the guide groove 5, and the thick section 61 fits the bottom wall of the guide groove 5 and cannot pass through, and the thin section 62 is detachably connected to the rotating disk 2. When assembling the rotating disk 2 and the fixed disk 1, the rotating disk 2 and the fixed disk 1 are matched, and then the slider 6 is inserted from the back of the fixed disk 1 and fixed to the rotating disk 2. The slider 6 is arranged on the rotating disk 2 at equal intervals along the circumferential direction. Among them, the connection between the thin section 62 and the rotating disk 2 includes a threaded connection or a tight connection. The cooperation between the slider 6 and the guide groove 5 limits the degree of freedom in other directions, and only allows the rotating disk 2 to rotate relative to the fixed disk 1.

[0033] The positioning claw 3 is inserted on the guide block 7, and the guide block 7 limits the positioning claw 3 so that it can only slide in the radial direction of the rotating disk 2. The guide block 7 is fixedly connected to the fixed disk 1. The radial sliding limit of the positioning claw 3 is achieved through the insertion and matching between the guide block 7 and the positioning claw 3. In some embodiments, the guide block 7 and the fixed disk 1 are integrally structured. In some embodiments, the guide block 7 and the fixed disk 1 are integrally structured.

[0034] The fixed disk 1 positions the positioning claw 3, the rotating disk 2 and the vibration detector 4. The positioning claw 3 is positioned by the fixed disk 1 and can move radially relative to the fixed disk 1. The rotating disk 2 is positioned by the fixed disk 1 and can rotate relative to the fixed disk 1. The positioning claw 3 is driven by engaging with the spiral rib 21. The positioning claw 3 can be self-locking by engaging with the spiral rib 21. Therefore, it is only necessary to move the fixed disk 1 closer to the compressor so that the detection end of the vibration detector 4 fits with the compressor. Then, the rotating disk 2 is rotated, and the positioning claw 3 will feed and grasp the circular shape corresponding to the compressor, thereby realizing the positioning of the vibration detector 4.

[0035] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A vibration detection bracket for a reciprocating compressor, characterized in that: It includes a fixed disk, a rotating disk and a positioning claw. The fixed disk is provided with a vibration detector. The rotating disk is arranged on the fixed disk so as to rotate along the center of the fixed disk. The positioning claws are arranged at equal intervals along the circumferential direction of the rotating disk. The rotating disk is provided with spiral ridges or spiral grooves. Each positioning claw is engaged with the spiral ridges and moves synchronously along the radial direction of the rotating disk.

2. The vibration detection bracket of a reciprocating compressor according to claim 1, characterized in that: The rotating disk is ring-shaped, and the vibration detector on the fixed disk protrudes from the inner ring hole of the rotating disk.

3. The vibration detection bracket for a reciprocating compressor according to claim 1, characterized in that: A sliding block is fixedly connected to one side of the rotating disk facing the fixed disk. A guide groove is arranged on the fixed disk. The sliding block is slidably connected to the guide groove.

4. A vibration detection bracket for a reciprocating compressor according to claim 3, characterized in that the slider The sliding block is provided with a thick section and a thin section. The sliding block extends into the guide groove. The thick section is fitted with the bottom wall of the guide groove. The thin section is detachably connected with the rotating disk.

5. A vibration detection bracket for a reciprocating compressor according to claim 3 or 4, characterized in that: The sliders are arranged on the rotating disk at equal intervals along the circumferential direction.

6. A vibration detection bracket for a reciprocating compressor according to any one of claims 1 to 4, characterized in that: The positioning claw is inserted into the guide block, and the guide block is fixed on the fixed plate.

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