A fixing mechanism suitable for compressor maintenance

CN224601430UActive Publication Date: 2026-08-07DINGBIAN CHANGYIN IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DINGBIAN CHANGYIN IND & TRADE CO LTD
Filing Date
2025-07-25
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0005]传统夹具限制多:现有的一些固定夹具往往是针对特定型号或尺寸的压缩机设计,通用性较差;

Benefits of technology

[0021] 1. Mechanical linkage and reliable structure: The linkage components mainly rely on mechanical structures to achieve synchronization, reducing the dependence on complex electronic control and making the mechanism more reliable and durable in industrial environments.

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Abstract

The utility model relates to the field of compressor maintenance especially relates to a kind of fixing mechanism suitable for compressor maintenance, including main support, the lower part of main support is provided with placing plate, linkage assembly and fixed rod are provided in main support, symmetrically arranged U-shaped bar is slidably installed on fixed rod, linkage assembly is rotatably connected with U-shaped bar, and stop slide assembly is provided on the opposite surface of U-shaped bar;Tightening assembly and pusher assembly are installed on the main support, the pusher assembly is respectively connected with tightening assembly and one side U-shaped bar, and makes both sides U-shaped bar linkage through linkage assembly, and reinforcing rib is provided on U-shaped bar and is horizontally arranged, the utility model reliable in construction, makes both sides U-shaped bar mechanical linkage through linkage assembly, can adapt to the compressor maintenance demand of different size and shape, through tightening assembly and stop slide assembly, accurate clamping force control and stable antiskid design can be provided, with good versatility and the stability of clamping fixation.
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Description

Technical Field

[0001] This utility model relates to the field of compressor repair, and in particular to a fixing mechanism suitable for compressor repair. Background Technology

[0002] Compressors, as indispensable power equipment in industrial production and daily life, are widely used in refrigeration, chemical, petroleum, natural gas, pharmaceutical and other fields. Their efficient and stable operation is crucial for ensuring production continuity and reducing operating costs.

[0003] However, due to factors such as long-term operation, high-load work and internal wear, compressors inevitably require regular maintenance, inspection and troubleshooting. During compressor repair, the compressor needs to be repaired vertically. A core and common technical challenge is how to securely and accurately fix the compressor body.

[0004] Currently, common methods for fixing and repairing compressors have the following main problems:

[0005] Traditional clamps have many limitations: some existing clamps are often designed for specific models or sizes of compressors, and have poor versatility;

[0006] Unstable clamping poses safety hazards: If the clamping force is insufficient, the compressor is prone to sliding, shaking or even tipping over during maintenance. This will not only damage the compressor itself, but also pose a serious safety threat to maintenance personnel. Conversely, if the clamping force is too large, especially for some precision compressors or compressors with soft outer shell materials, it can easily cause the outer shell to deform, internal components to be damaged, and even affect the performance after maintenance.

[0007] Insufficient shock absorption protection: During placement and maintenance, the compressor body may be subjected to impacts and vibrations, and existing devices often lack effective shock absorption protection measures, which may lead to damage to the precision components inside the compressor.

[0008] Therefore, it is necessary to further improve the fixing mechanism applicable to compressor maintenance. Utility Model Content

[0009] The technical problem to be solved by this utility model is to overcome the existing defects and provide a fixing mechanism suitable for compressor maintenance. It has a reliable structure, mechanical linkage, precise clamping force control and stable anti-slip design, and can adapt to the maintenance needs of compressors of different sizes and shapes. It has good versatility and clamping stability, and can effectively solve the problems in the background art.

[0010] To achieve the above objectives, this utility model provides the following technical solution: a fixing mechanism suitable for compressor maintenance, including a main support, a placement plate provided at the lower part of the main support, a linkage component and a fixing rod provided inside the main support, symmetrically arranged U-shaped strips slidably installed on the fixing rod, the linkage component being rotatably connected to the U-shaped strips, and an anti-slip component provided on the opposite surface of the U-shaped strips;

[0011] The main support is equipped with a tightening component and a pushing component. The pushing component is connected to the tightening component and one of the U-shaped bars on one side, and the two U-shaped bars are linked by a linkage component. The U-shaped bars are provided with horizontally arranged reinforcing ribs.

[0012] Preferably, the upper surface of the placement plate is provided with a shock-absorbing pad, and an arc-shaped groove is formed at the center of the upper surface of the shock-absorbing pad.

[0013] Preferably, the tightening assembly includes an electrically controlled push rod and a connecting plate. Two sets of electrically controlled push rods are provided and are symmetrically installed on the front and rear sides of the main bracket via mounting bases. The connecting plate is connected to the telescopic end of the electrically controlled push rod.

[0014] Preferably, the pushing assembly includes a pressure sensor, a through hole, and a slide rod. The through hole is formed on the main support, and the slide rod is slidably installed inside the through hole. One end of the slide rod is installed on the connecting plate, and the pressure sensor is installed on the other end of the slide rod. The pressure sensor is located on the U-shaped bar on the right side and is used to detect the pushing force transmitted to the U-shaped bar through the slide rod.

[0015] Preferably, the linkage assembly includes a first linkage bar, a rotating bar, and a second linkage bar. The rotating bar is mounted on the main support via a rotating shaft located in its middle. One end of the first linkage bar and the second linkage bar are respectively mounted on both ends of the rotating bar via the rotating shaft. The ends of the first linkage bar and the second linkage bar away from the rotating bar are respectively connected to the U-shaped bars on both sides via the rotating shaft.

[0016] Preferably, the anti-slip component includes an anti-slip strip and a through groove. The anti-slip strip is installed on the U-shaped strip, and the through groove is formed on the contact surface of the anti-slip strip. The contact surface of the anti-slip strip is an arc-shaped surface.

[0017] The working principle and usage principle of this utility model are as follows: connect to an external controller to control the extension of the electric control push rod, drive the slide rod to move in the through hole through the connecting plate, thereby driving the U-shaped strip to separate and move, so that the compressor that needs to be repaired is placed vertically on the shock-absorbing pad of the placement plate, and ensuring that the compressor that needs to be repaired is placed vertically between the two U-shaped strips.

[0018] The retraction of the controllable push rod drives the slide bar to move within the through hole via the connecting plate, thereby applying pressure to the U-shaped bar. The U-shaped bar slides towards the compressor position on the fixed rod under the force.

[0019] The U-shaped bars on both sides can clamp and fix the compressor through the linkage of the linkage components.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. Mechanical linkage and reliable structure: The linkage components mainly rely on mechanical structures to achieve synchronization, reducing the dependence on complex electronic control and making the mechanism more reliable and durable in industrial environments.

[0022] 2. Effective shock absorption protection: The shock-absorbing pads on the placement plate have arc-shaped grooves on their upper surface that not only fit the bottom of the compressor better, but also effectively absorb and reduce the impact force generated during placement. This protects the compressor from damage by hard contact and reduces vibration during maintenance.

[0023] 3. Enhanced anti-slip design: The anti-slip clips can be made of wear-resistant rubber or polyurethane, which can increase friction and wear resistance. The through groove design can increase the friction coefficient during clamping and provide an exhaust channel during clamping, so that the anti-slip clips can better contact the compressor surface. The contact surface between the anti-slip clips and the compressor is an arc-shaped surface to better fit the circular or arc-shaped outer surface of the compressor, increase the contact area, and avoid damage and instability caused by point contact.

[0024] 4. Bidirectional synchronous centering and wide applicability: The linkage component adopts a mechanical linkage mechanism design. Through the coordinated action of the rotating bar and linkage bar one and linkage bar two, it ensures that the U-shaped bars on both sides can move synchronously, equidistantly, and in opposite directions. This design ensures precise centering and clamping of the compressor. The opening size of the U-shaped bar is adjustable. Combined with precise clamping force control and a stable anti-slip design, this fixing mechanism can adapt to the maintenance needs of compressors of different sizes and shapes, and has good versatility. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a partial sectional view of the present invention from the side.

[0027] Figure 3 This is a schematic diagram of the anti-slip component of this utility model.

[0028] Explanation of reference numerals in the attached drawings: 1. Main support; 2. Shock-absorbing pad; 3. Placement plate; 4. Tightening assembly; 401. Electrically controlled push rod; 402. Connecting plate; 5. Pushing assembly; 501. Pressure sensor; 502. Through hole; 503. Slide rod; 6. U-shaped strip; 7. Fixing rod; 8. Anti-slip assembly; 801. Anti-slip clamp; 802. Through groove; 9. Linkage assembly; 901. Linkage bar one; 902. Rotating bar; 903. Linkage bar two; 10. Reinforcing rib. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] In the description of this application, if directional descriptions are involved, such as "up," "down," "front," "back," "left," "right," etc., indicating directional or positional relationships, they are based on the appendix. Figure 1 The orientations or positional relationships shown are for the convenience of describing this application and simplifying the description only, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. When a feature is referred to as "set", "fixed", or "connected" to another feature, it can be directly set, fixed, or connected to the other feature, or it can be indirectly set, fixed, or connected to the other feature.

[0031] Please see Figure 1-3 This utility model provides a technical solution: a fixing mechanism suitable for compressor maintenance, including a main support 1, a placement plate 3 is provided at the lower part of the main support 1, a linkage component 9 and a fixing rod 7 are provided inside the main support 1, symmetrically arranged U-shaped strips 6 are slidably installed on the fixing rod 7, the linkage component 9 is rotatably connected to the U-shaped strips 6, and an anti-slip component 8 is provided on the opposite surface of the U-shaped strips 6.

[0032] Specifically, the main support 1 serves as the skeleton of the entire mechanism, supporting all components. The placement plate 3 provides a stable bottom bearing surface. The symmetrically arranged U-shaped bars 6 are components that directly contact and fix the compressor. The design of the U-shaped bars 6 sliding on the fixing rod 7 allows the opening size between the U-shaped bars 6 to be adjusted to accommodate compressors of different sizes. The linkage component 9 ensures that the symmetrically arranged U-shaped bars 6 can move synchronously. The inward tightening of the U-shaped bars 6 achieves center clamping of the compressor. The anti-slip component 8 enhances the friction when the U-shaped bars contact the compressor, preventing slippage or displacement during clamping.

[0033] The main support 1 is equipped with a tightening component 4 and a pushing component 5. The pushing component 5 is connected to the tightening component 4 and one side of the U-shaped strip 6 respectively, and the two sides of the U-shaped strip 6 are linked by the linkage component 9. The U-shaped strip 6 is provided with horizontally arranged reinforcing ribs 10.

[0034] Specifically, the tightening component 4 generates a tension force, which drives the movement of the pushing component 5. The pushing component 5 effectively transmits this force to the U-shaped bar 6 on one side. The linkage component 9 ensures that the symmetrically arranged U-shaped bars 6 can move synchronously and equally, thereby achieving clamping and fixing of the compressor. The reinforcing ribs 10 increase the structural strength and rigidity of the U-shaped bars 6, ensuring that they will not deform when clamping a heavy or heavily stressed compressor, thus guaranteeing the stability and reliability of the clamping.

[0035] Furthermore, a shock-absorbing pad 2 is provided on the upper surface of the placement plate 3, and an arc-shaped groove is provided at the center of the upper surface of the shock-absorbing pad 2.

[0036] Specifically, the shock-absorbing pad 2 can absorb and reduce the impact force generated when the compressor is placed, protect the compressor from damage by hard contact, and reduce the vibration that may be generated during clamping or maintenance, thus improving stability. The arc groove can better fit the curvature of the bottom or side of the compressor, increase the contact area, provide a more stable placement effect, and further prevent the compressor from sliding or rolling during maintenance.

[0037] Furthermore, the tightening assembly 4 includes an electrically controlled push rod 401 and a connecting plate 402. Two sets of electrically controlled push rods 401 are provided and are symmetrically installed on the front and rear sides of the main bracket 1 via mounting seats. The connecting plate 402 is connected to the telescopic end of the electrically controlled push rod 401.

[0038] Specifically, the two sets of electrically controlled push rods 401 can provide greater clamping force and more stable drive. By precisely controlling the extension and retraction of the electrically controlled push rods 401, the connecting plate 402 transmits the force to the push assembly 5, thereby controlling the movement range of the U-shaped bar 6.

[0039] Furthermore, the actuating component 5 includes a pressure sensor 501, a through hole 502, and a slide rod 503. The through hole 502 is formed on the main support 1, and the slide rod 503 is slidably installed inside the through hole 502. One end of the slide rod 503 is installed on the connecting plate 402, and the pressure sensor 501 is installed on the other end of the slide rod 503. The pressure sensor 501 is located on the U-shaped bar 6 on the right side and is used to detect the pushing force transmitted to the U-shaped bar 6 through the slide rod 503.

[0040] Specifically, when the electric control push rod 401 retracts, it drives the slide rod 503 to move within the through hole 502 via the connecting plate 402, thereby applying pressure to the U-shaped strip 6. The U-shaped strip 6 slides on the fixed rod 7 under force. After the U-shaped strip 6 clamps and fixes the compressor, the pressure sensor 501 can receive the force applied by the slide rod 503 and send feedback to the external controller to achieve closed-loop control. The operator can know the data of the clamping force on the compressor at this time, preventing the clamping force from being too large and damaging the compressor, or the clamping force from being insufficient and causing unstable fixation.

[0041] Conversely, when the electronically controlled push rod 401 extends, it can drive the U-shaped strip 6 to move in the opposite direction, at which point the compressor releases.

[0042] Furthermore, the linkage assembly 9 includes a first linkage bar 901, a rotating bar 902, and a second linkage bar 903. The rotating bar 902 is mounted on the main support 1 via a rotating shaft located in its middle. One end of the first linkage bar 901 and the second linkage bar 903 are respectively mounted on both ends of the rotating bar 902 via rotating shafts. The ends of the first linkage bar 901 and the second linkage bar 903 that are away from the rotating bar 902 are respectively connected to the U-shaped bars 6 on both sides via rotating shafts.

[0043] Specifically, by using the rotating bar 902 as a central pivot and connecting it with the first linkage bar 901 and the second linkage bar 903, a mechanical linkage mechanism is formed. When the pushing component 5 pushes the U-shaped bar 6 on one side to move, the rotating bar 902 is rotated through the second linkage bar 903. The rotating bar 902 drives the first linkage bar 901 to move the U-shaped bar 6 on the other side, ensuring that the U-shaped bars 6 on both sides can move synchronously, equidistantly, and in opposite directions. This achieves precise centering and clamping of the compressor, ensuring a reliable structure, reducing reliance on additional sensors or control systems, lowering complexity, ensuring stable and balanced clamping of the compressor, and improving maintenance safety.

[0044] Furthermore, the anti-slip assembly 8 includes an anti-slip strip 801 and a through groove 802. The anti-slip strip 801 is mounted on the U-shaped strip 6, and the through groove 802 is formed on the contact surface of the anti-slip strip 801. The contact surface of the anti-slip strip 801 is an arc-shaped surface.

[0045] Specifically, the anti-slip clip 801 can be made of wear-resistant rubber or polyurethane, which can increase friction and wear resistance. The design of the through groove 802 can increase the friction coefficient during clamping and provide an exhaust channel during clamping, so that the anti-slip clip 801 can better contact the compressor surface. The contact surface between the anti-slip clip 801 and the compressor is an arc-shaped surface. In order to better fit the circular or arc-shaped outer surface of the compressor, increase the contact area, and avoid damage and instability caused by point contact.

[0046] It improves the clamping stability and anti-slip performance of the compressor, ensuring that the compressor can be firmly fixed in place even when subjected to vibration or external force during maintenance. The design of the arc-shaped contact surface and the through groove 802 optimize the contact effect and reduce damage to the compressor surface.

[0047] It is worth noting that: the pressure sensor 501 is bidirectionally electrically connected to the external controller, and the input end of the electric actuator 401 is electrically connected to the output end of the external controller. The pressure sensor 501 can be a Honeywell FSG series pressure sensor, and the electric actuator 401 can be a Limtec LAP-15-100-12-L model, which has a built-in self-locking mechanism. After extending to a specified length, it can be mechanically locked or self-locked by power failure to maintain its position. The 100 in LAP-15-100-12-L refers to the stroke of the electric actuator, and an appropriate stroke can be selected according to actual needs.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A fixing mechanism suitable for compressor maintenance, comprising a main support (1), characterized in that: The main support (1) is provided with a placement plate (3) at its lower part. The main support (1) is provided with a linkage component (9) and a fixing rod (7). A U-shaped strip (6) is slidably installed on the fixing rod (7). The linkage component (9) is rotatably connected to the U-shaped strip (6). An anti-slip component (8) is provided on the opposite surface of the U-shaped strip (6). The main support (1) is equipped with a tightening component (4) and a pushing component (5). The pushing component (5) is connected to the tightening component (4) and one side of the U-shaped strip (6) respectively, and the two sides of the U-shaped strip (6) are linked by the linkage component (9). The U-shaped strip (6) is provided with a horizontally arranged reinforcing rib (10).

2. The fixing mechanism for compressor maintenance according to claim 1, characterized in that: The upper surface of the placement plate (3) is provided with a shock-absorbing pad (2), and an arc-shaped groove is provided at the center of the upper surface of the shock-absorbing pad (2).

3. A fixing mechanism suitable for compressor maintenance according to claim 1, characterized in that: The tightening assembly (4) includes an electrically controlled push rod (401) and a connecting plate (402). The electrically controlled push rod (401) is provided in two sets and is symmetrically installed on the front and rear sides of the main bracket (1) through a mounting seat. The connecting plate (402) is connected to the telescopic end of the electrically controlled push rod (401).

4. A fixing mechanism suitable for compressor maintenance according to claim 3, characterized in that: The pushing assembly (5) includes a pressure sensor (501), a through hole (502), and a slide rod (503). The through hole (502) is opened on the main support (1). The slide rod (503) is slidably installed inside the through hole (502). One end of the slide rod (503) is installed on the connecting plate (402). The pressure sensor (501) is installed on the other end of the slide rod (503). The pressure sensor (501) is set on the U-shaped bar (6) located on the right side and is used to detect the pushing force transmitted to the U-shaped bar (6) through the slide rod (503).

5. A fixing mechanism suitable for compressor maintenance according to claim 1, characterized in that: The linkage component (9) includes linkage bar one (901), rotating bar (902) and linkage bar two (903). The rotating bar (902) is mounted on the main bracket (1) through a rotating shaft in its middle. One end of linkage bar one (901) and linkage bar two (903) are respectively mounted on both ends of the rotating bar (902) through the rotating shaft. The ends of linkage bar one (901) and linkage bar two (903) away from the rotating bar (902) are respectively connected to the U-shaped bars (6) on both sides through the rotating shaft.

6. A fixing mechanism suitable for compressor maintenance according to claim 1, characterized in that: The anti-slip assembly (8) includes an anti-slip strip (801) and a through groove (802). The anti-slip strip (801) is installed on the U-shaped strip (6), and the through groove (802) is opened on the contact surface of the anti-slip strip (801). The contact surface of the anti-slip strip (801) is an arc-shaped surface.