High-speed gearbox of centrifugal compressor

By introducing air-cooled and water-cooled heat dissipation technology into the gearbox, combined with the rapid disassembly and assembly design, the problem of low heat dissipation efficiency of the existing gearbox is solved, the heat dissipation performance and service life of the equipment is improved, and the maintenance process is simplified.

CN222334467UActive Publication Date: 2025-01-10PINGHU RUIYANG PRECISION MACHINERY
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Patent Information

Application Number
CN202421139588.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-10
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing gearboxes are inefficient through heat dissipation fins, which makes it difficult for the equipment to evaporate heat during long-term operation, reducing the service life of the equipment.

Method used

The combined structure of fan, water tank, water pump and circulating water pipe is adopted to achieve air-cooling and water-cooling heat dissipation. Combined with the design of locking boxes, jacks, pull rods, clamps, cuttings and sockets, it realizes rapid decomposition and assembly for easy maintenance.

Benefits of technology

Improves the heat dissipation performance of the equipment, extends the service life of the equipment, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of gear boxes, and particularly relates to a centrifugal compressor high-speed gear box which comprises a base, two installation grooves are formed in the top of the base, a plurality of air inlet holes are formed in the inner walls of the bottoms of the installation grooves, fans are fixedly arranged in the two installation grooves, two insertion strips and a vertical plate are fixedly arranged on the top of the base, and the vertical plate is fixedly arranged on the top of the base. The fan, the water tank, the water pump and the circulating water pipe are arranged, air is sucked in from the air inlet holes by the fan and blown to the bottom of the gear box when equipment runs, air cooling heat dissipation is achieved, water in the water tank is guided into the circulating water pipe by the water pump, and the water in the water tank is guided into the circulating water pipe by the water pump. The circulating water pipe can take away heat dissipated by the equipment, water enters the water tank after circulating for one circle and participates in circulation again, the combination of water cooling, air cooling and water cooling of the equipment is achieved, a traditional heat dissipation fin heat dissipation mode is replaced, the heat dissipation performance of the equipment can be improved, and the service life of the equipment is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a high-speed gear box for a centrifugal compressor. Background Art

[0002] A centrifugal compressor is a machine that generates pressure and is a type of turbine compressor. Turbine is pronounced "TURBINE" in English, which means a rotating impeller. Centrifugal compressors are widely used in all-low-pressure air separation units, and gradually centrifugal compressors have replaced piston compressors. Gearboxes are an important mechanical component that is widely used in compressors, and the equipment needs to dissipate heat during operation.

[0003] However, the existing gearbox achieves heat dissipation by setting cooling fins on the outer surface of the gearbox. This heat dissipation method is inefficient, resulting in that the heat generated by the operation of the gears is difficult to evaporate when the equipment is running for a long time, thereby reducing the service life of the equipment. For this reason, a centrifugal compressor high-speed gearbox is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a high-speed gearbox for a centrifugal compressor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal compressor high-speed gearbox, including a base, the top of the base is provided with two mounting grooves, the bottom inner wall of the mounting groove is provided with a plurality of air inlet holes, fans are fixedly provided in the two mounting grooves, the top of the base is fixedly provided with two insertion strips and vertical plates, one side of the two vertical plates is fixedly provided with an insertion block, the top of the base is movably provided with a gearbox body, the bottom of the gearbox body is fixedly provided with two locking structures, one side of the base is provided with a water cooling structure, and the bottom of the gearbox body is fixedly provided with two sockets, and the sockets and the insertion strips are adapted to each other.

[0006] As a further description of the above technical solution:

[0007] The locking structure includes a locking box fixedly connected to the bottom of the gear box body, a socket is provided on the inner wall of one side of the locking box, a pull rod is movably provided on the front inner wall of the locking box, a clamping block is fixedly provided at one end of the pull rod, two limit rods are fixedly provided on one side of the clamping block, and the two limit rods are movably connected to the front inner wall of the locking box.

[0008] As a further description of the above technical solution:

[0009] Limiting strips are fixedly provided on the top and bottom of the plug block, a trapezoidal block is fixedly provided on one side of the plug block, limiting grooves are provided on the top inner wall and the bottom inner wall of the socket, the limiting strips and the limiting grooves are adapted to each other, a spring is sleeved on the pull rod, one end of the spring is in contact with one side of the block, and the other end of the spring is in contact with the inner wall of one side of the locking box.

[0010] As a further description of the above technical solution:

[0011] Two circular holes are arranged on the inner wall of the front side of the locking box, and sealing rings are arranged in the two circular holes. The inner ring of the sealing ring is movably connected to the limiting rod.

[0012] As a further description of the above technical solution:

[0013] The sides of the clamping block and the trapezoidal block that are close to each other are both provided with inclined surfaces, and the two inclined surfaces are parallel.

[0014] As a further description of the above technical solution:

[0015] The water cooling structure includes a water tank and a water pump fixedly connected to one side of the base, a water suction pipe and a water discharge pipe are respectively provided on both sides of the water pump, one end of the water suction pipe is fixedly connected to one side of the water tank, and a circulating water pipe is fixedly provided at one end of the discharge pipe away from the water pump, and the other end of the circulating water pipe is fixedly connected to the other side of the water tank.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the centrifugal compressor high-speed gearbox is provided with a fan, a water tank, a water pump and a circulating water pipe. When the equipment is running, the fan draws air from the air inlet and blows it to the bottom of the gearbox to achieve air cooling and heat dissipation. The water pump guides the water in the water tank into the circulating water pipe. The circulating water pipe can take away the heat emitted by the equipment. After a circle of water circulation, it will enter the water tank and participate in the circulation again to achieve water cooling of the equipment. The combination of air cooling and water cooling replaces the traditional heat dissipation mode of heat dissipation fins, which can improve the heat dissipation performance of the equipment and extend the service life of the equipment.

[0018] 2. Compared with the prior art, the centrifugal compressor high-speed gearbox is provided with a locking box, a jack, a pull rod, a card block, a plug strip and a socket. Pulling the pull rod can drive the card block to separate and contact the trapezoidal block, thereby realizing rapid disassembly and assembly of the gearbox and the base, which is convenient for subsequent maintenance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a centrifugal compressor high-speed gearbox proposed by the utility model from a first perspective;

[0020] Figure 2This is a second perspective three-dimensional structural diagram of a centrifugal compressor high-speed gearbox proposed by the utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of a base in a high-speed gearbox of a centrifugal compressor proposed by the utility model;

[0022] Figure 4 It is a top cross-sectional schematic diagram of a locking structure in a high-speed gearbox of a centrifugal compressor proposed by the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the three-dimensional structure of a gear box body in a centrifugal compressor high-speed gear box.

[0024] Legend:

[0025] 1. Base; 2. Fan; 3. Air inlet; 4. Insert strip; 5. Vertical plate; 6. Insert block; 7. Trapezoidal block; 8. Limit strip; 9. Gear box body; 10. Locking structure; 101. Locking box; 102. Socket; 103. Pull rod; 104. Block; 105. Limit rod; 11. Water cooling structure; 111. Water tank; 112. Water pump; 113. Circulating water pipe; 12. Socket. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figures 1 to 5 The utility model provides a centrifugal compressor high-speed gearbox: comprising a base 1, two mounting grooves are arranged on the top of the base 1, a plurality of air inlet holes 3 are arranged on the bottom inner wall of the mounting groove, fans 2 are fixedly arranged in the two mounting grooves, two inserts 4 and a vertical plate 5 are fixedly arranged on the top of the base 1, inserts 6 are fixedly arranged on one side of the two vertical plates 5, a gearbox body 9 is movably arranged on the top of the base 1, a water cooling structure 11 is arranged on one side of the base 1, two sockets 12 are fixedly arranged on the bottom of the gearbox body 9, and the sockets 12 are adapted to the inserts 4;

[0028] Reference Figure 3 to Figure 4In order to achieve the purpose of rapid disassembly and assembly, two locking structures 10 are fixedly provided at the bottom of the gear box body 9. The locking structure 10 includes a locking box 101 fixedly connected to the bottom of the gear box body 9. A plug hole 102 is provided on the inner wall of one side of the locking box 101. A pull rod 103 is movably provided on the inner wall of the front side of the locking box 101. A clamping block 104 is fixedly provided at one end of the pull rod 103. Limiting strips 8 are fixedly provided at the top and bottom of the plug block 6. A trapezoidal block 7 is fixedly provided on one side of the plug block 6. Limiting grooves are provided on the top inner wall and the bottom inner wall of the plug hole 102. The limiting strip 8 is adapted to the limiting groove. A spring is sleeved on the pull rod 103. One end of the spring and the clamping block 1 04, the other end of the spring is in contact with one side of the inner wall of the locking box 101, the block 104 and the trapezoidal block 7 are close to each other on one side with an inclined surface, the two inclined surfaces are parallel, one side of the block 104 is fixed with two limiting rods 105, the two limiting rods 105 are movably connected to the front inner wall of the locking box 101, two circular holes are provided on the front inner wall of the locking box 101, the two circular holes are provided with sealing rings, the inner ring of the sealing ring is movably connected to the limiting rod 105, pulling the pull rod 103 can drive the block 104 to separate and contact the trapezoidal block 7, so as to realize the rapid disassembly and assembly of the gear box and the base 1, which is convenient for the subsequent maintenance of the equipment;

[0029] Reference Figure 1 to Figure 2 In order to increase the heat dissipation performance of the equipment, the water cooling structure 11 includes a water tank 111 and a water pump 112 fixedly connected to one side of the base 1. A water suction pipe and a drainage pipe are respectively arranged on both sides of the water pump 112. One end of the water suction pipe is fixedly connected to one side of the water tank 111. A circulating water pipe 113 is fixedly arranged on the end of the drainage pipe away from the water pump 112. The other end of the circulating water pipe 113 is fixedly connected to the other side of the water tank 111. The water pump 112 guides the water in the water tank 111 into the circulating water pipe 113. The circulating water pipe 113 can take away the heat emitted by the equipment, realize water cooling of the equipment, and improve the heat dissipation performance of the equipment.

[0030] Working principle: When in use, first install the base 1 on the bottom of the gear box body 9, align the insert strip 4 with the slot of the socket 12, align the insert block 6 with the socket 102, then push the base 1 forward, insert the insert strip 4 into the socket 12, and the insert block 6 drives the trapezoidal block 7 to move forward and contact the card block 104. When the trapezoidal block 7 and the inclined surface on one side of the card block 104 are out of contact, the spring drives the card block 104 to be stuck on the trapezoidal block 7 to achieve the installation of the base 1. At this time, the circulating water pipe 113 covers the gear box body 9, and then cold water is injected into the water tank 111. When the equipment is running, start the water pump 112 and the fan 2, and the fan 2 rotates to blow air from the air inlet hole 3 is sucked in and blown to the bottom of the gear box to achieve air cooling and heat dissipation. The water pump 112 guides the water in the water tank 111 into the circulating water pipe 113. The circulating water pipe 113 can take away the heat emitted by the equipment. After a circle of water circulation, it will enter the water tank 111 and participate in the circulation again to achieve water cooling of the equipment. When it is necessary to maintain the components in the gear box, the pull rod 103 is pulled outward, and the pull rod 103 drives the block 104. When the block 104 is out of contact with the trapezoidal block 7, the base 1 is pulled to one side. When the plug block 6 and the plug strip 4 are respectively out of the locking box 101 and the socket 12, the base 1 and the gear box can be separated to maintain the components in the gear box.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A centrifugal compressor high-speed gearbox, comprising a base (1), characterized in that: The top of the base (1) is provided with two mounting grooves, the bottom inner walls of the mounting grooves are provided with a plurality of air inlet holes (3), the two mounting grooves are fixedly provided with fans (2), the top of the base (1) is fixedly provided with two insertion strips (4) and a vertical plate (5), one side of the two vertical plates (5) is fixedly provided with an insertion block (6), the top of the base (1) is movably provided with a gear box body (9), the bottom of the gear box body (9) is fixedly provided with two locking structures (10), one side of the base (1) is provided with a water cooling structure (11), the bottom of the gear box body (9) is fixedly provided with two sockets (12), and the sockets (12) are adapted to the insertion strips (4).

2. A centrifugal compressor high-speed gearbox according to claim 1, characterized in that: The locking structure (10) comprises a locking box (101) fixedly connected to the bottom of the gear box body (9), a socket (102) is provided on an inner wall of one side of the locking box (101), a pull rod (103) is movably provided on the front inner wall of the locking box (101), a clamping block (104) is fixedly provided at one end of the pull rod (103), two limiting rods (105) are fixedly provided on one side of the clamping block (104), and the two limiting rods (105) are movably connected to the front inner wall of the locking box (101).

3. A centrifugal compressor high-speed gearbox according to claim 2, characterized in that: Limiting strips (8) are fixedly provided on the top and bottom of the plug block (6), a trapezoidal block (7) is fixedly provided on one side of the plug block (6), limiting grooves are provided on the top inner wall and the bottom inner wall of the insertion hole (102), the limiting strips (8) and the limiting grooves are matched, a spring is sleeved on the pull rod (103), one end of the spring is in contact with one side of the clamping block (104), and the other end of the spring is in contact with the inner wall of one side of the locking box (101).

4. A centrifugal compressor high-speed gearbox according to claim 2, characterized in that: Two circular holes are arranged on the front inner wall of the locking box (101), and sealing rings are arranged in the two circular holes. The inner ring of the sealing ring is movably connected to the limiting rod (105).

5. A centrifugal compressor high-speed gearbox according to claim 3, characterized in that: The adjacent sides of the clamping block (104) and the trapezoidal block (7) are both provided with inclined surfaces, and the two inclined surfaces are parallel.

6. A centrifugal compressor high-speed gearbox according to claim 1, characterized in that: The water cooling structure (11) comprises a water tank (111) and a water pump (112) fixedly connected to one side of the base (1); a water suction pipe and a water discharge pipe are respectively provided on both sides of the water pump (112); one end of the water suction pipe is fixedly connected to one side of the water tank (111); one end of the water discharge pipe away from the water pump (112) is fixedly provided with a circulating water pipe (113); the other end of the circulating water pipe (113) is fixedly connected to the other side of the water tank (111).