Shock-absorbing seat of centrifugal compressor

Abstract

The utility model discloses a centrifugal compressor shock-absorbing seat, which relates to the technical field of centrifugal compressors and comprises a bearing seat, sound-absorbing cotton is detachably mounted in the bearing seat, the lower end of the bearing seat is connected with a supporting seat through a shock-absorbing mechanism, and bearing mechanisms for limiting swing of the bearing seat are mounted on two sides of the lower portion of the bearing seat. A supporting seat is detachably mounted below the bearing mechanism; the damping mechanism comprises a moving column arranged in the longitudinal direction of the bearing base, a connecting cylinder is installed on the circumferential surface of the lower end of the moving column, connecting plates are installed on the two sides of the connecting cylinder, the connecting plates are movably connected with supporting plates through connecting shafts, and long-strip-shaped holes limiting movement of the connecting shafts are formed in the supporting plates. And the upper end of the supporting plate is movably connected with a positioning seat through a positioning shaft, and the movable column located at the lower end of the connecting cylinder is sleeved with a damping spring, so that the problems that in the prior art, a centrifugal compressor generates large vibration during operation, consequently, equipment makes large noise, and the working environment where the compressor is located is seriously affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal compressors, in particular to a centrifugal compressor damping seat. Background Art

[0002] Centrifugal compressor is also called "vortex compressor", a type of compressor. The structure and operating principle are similar to centrifugal blowers, but they are always multi-stage, which can make the gas obtain higher pressure, larger processing capacity and higher efficiency. Turbine compressors with exhaust pressure higher than 0.015 MPa and gas mainly flowing radially are also called radial flow compressors. Those with exhaust pressure lower than 0.2 MPa are generally called centrifugal blowers. Centrifugal compressors are widely used in various process flows to transport air, various process gases or mixed gases and increase their pressure. In industry, they are often named according to the purpose or type of gas, such as blast furnace blowers and ammonia centrifugal compressors.

[0003] The staff who inspect and maintain centrifugal compressors have found in actual work that the compressor will produce large-amplitude vibrations when it is in operation, and the frequent vibrations will produce loud noises, which seriously affect the working environment of the compressor.

[0004] To this end, people in the industry are constantly optimizing the structure of centrifugal compressors to solve / improve this problem. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that a centrifugal compressor generates large vibration during operation, causing the equipment to emit large noise, which seriously affects the working environment of the compressor.

[0006] In order to achieve the above-mentioned invention object, the technical solution of the utility model is as follows:

[0007] A centrifugal compressor shock-absorbing seat, comprising a supporting seat, a sound-absorbing cotton is detachably installed inside the supporting seat, the lower end of the supporting seat is connected to the supporting seat through a shock-absorbing mechanism, supporting mechanisms for limiting the swing of the supporting seat are installed on both sides below the supporting seat, and a supporting seat is detachably installed below the supporting mechanism;

[0008] The shock absorbing mechanism includes a movable column arranged longitudinally along the supporting seat, a connecting cylinder is installed on the circumferential surface of the lower end of the movable column, connecting plates are installed on both sides of the connecting cylinder, the connecting plate is movably connected to the support plate through a connecting shaft, a long strip hole is provided on the support plate for limiting the movement of the connecting shaft, the upper end of the support plate is movably connected to the positioning seat through a positioning shaft, and a shock absorbing spring is sleeved on the movable column located at the lower end of the connecting cylinder.

[0009] Furthermore, the supporting mechanism includes a limit frame arranged longitudinally along the supporting seat, and a movable plate is installed inside the limit frame. A movable plate is detachably installed on the upper end of the movable plate, and dampers are installed on the lower ends of both sides of the movable plate.

[0010] Furthermore, there are 2 to 5 shock absorbing mechanisms, all of which are evenly distributed under the supporting seat. Each shock absorbing mechanism includes two support plates, and the ends of the two support plates away from the connecting tube are movably connected to both sides of the movable column through positioning shafts and positioning seats.

[0011] Furthermore, retaining springs are installed on the circumferential surfaces of both ends of the connecting shaft and the positioning shaft.

[0012] Furthermore, a connecting block is installed at the lower end of the movable plate, a connecting groove is opened at the upper end of the movable plate, and the connecting block is installed in the connecting groove.

[0013] Furthermore, the upper ends of both sides of the support seat are provided with sinking grooves, the lower end of the limiting frame is located in the sinking groove, and the sinking groove and the lower end of the limiting frame are provided with positioning holes arranged in concentric circles, and the lower end of the damper is installed in the positioning hole.

[0014] Furthermore, a through hole is opened inside the support seat, and the lower end of the movable column is installed in the through hole.

[0015] Furthermore, two symmetrically arranged supporting feet are detachably mounted on the lower end of the supporting seat, a clamping block is mounted on the upper end of each supporting foot, a clamping groove is formed at the lower end of the supporting seat, and the clamping block is clamped in the clamping groove.

[0016] Beneficial effects of the utility model:

[0017] 1. In the utility model, when the centrifugal compressor is running, vibration will occur, which will drive the support seat of the centrifugal compressor shock absorber seat to vibrate. At this time, under the action of the shock absorbing mechanism, the support mechanism that limits the swing of the support seat is cooperated to achieve the purpose of shock absorbing the shaking of the centrifugal compressor.

[0018] 2. In the utility model, when the supporting seat moves, the movable plate will move in the vertical direction, thereby pushing the movable plate to move in the vertical direction inside the limit frame, and under the action of the damper, the energy generated by the vibration or impact can be consumed, thereby achieving the purpose of shock absorption and impact reduction, that is, the purpose of buffering and shock absorption at the lower ends of both sides of the supporting seat can be achieved.

[0019] 3. In the utility model, a supporting mechanism with a simple and ingenious structure is proposed. The supporting mechanism includes a limit frame, a movable plate, a movable plate, and is equipped with a damper. The shock-absorbing seat is installed in multiple groups, and each group is symmetrically arranged on both sides of the shock-absorbing mechanism to limit the swing range of the supporting seat and cooperate with the shock-absorbing mechanism to achieve a better shock-absorbing effect.

[0020] 4. In the utility model, multiple shock absorbing mechanisms can be installed according to the specifications of the equipment or the needs of the site, preferably 2 to 5. On the one hand, it can achieve a better shock absorbing effect, and on the other hand, it can also achieve a better supporting effect, which is convenient for disassembly, assembly and maintenance, and increases the service life of the shock absorbing seat. In addition, this scheme proposes an ingenious shock absorbing mechanism structure, each shock absorbing mechanism includes two support plates, and the ends of the two support plates away from the connecting tube are movably connected to the two sides of the moving column through the positioning shaft and the positioning seat. The entire frame is Y-shaped, and the long strip holes on the support plates can limit the swing range of the supporting seat to achieve better shock absorption. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0022] Figure 2 It is a front sectional view of the utility model.

[0023] Figure 3 yes Figure 2 Enlarged view of part A in .

[0024] Figure 4 It is a three-dimensional schematic diagram of the shock absorbing mechanism in the utility model.

[0025] Figure 5 It is a three-dimensional schematic diagram of the supporting mechanism in the utility model.

[0026] Among them, 1. supporting seat; 2. sound-absorbing cotton; 3. shock-absorbing mechanism; 4. supporting mechanism; 5. supporting seat; 6. supporting foot; 7. positioning hole; 301. moving column; 302. connecting tube; 303. connecting plate; 304. connecting shaft; 305. supporting plate; 306. positioning shaft; 307. positioning seat; 308. shock-absorbing spring; 309. long strip hole; 401. limiting frame; 402. moving plate; 403. movable plate; 404. damper; 405. connecting block; 406. connecting groove; 501. sinking groove; 502. through hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] Example 1

[0029] This embodiment is the most basic implementation method, a centrifugal compressor damping seat, which relates to the technical field of centrifugal compressors, includes a supporting seat 1, reference Figure 1-2The interior of the supporting seat 1 is detachably installed with a sound-absorbing cotton 2, the lower end of the supporting seat 1 is connected to the supporting seat 5 through a shock-absorbing mechanism 3, and supporting mechanisms 4 for limiting the swing of the supporting seat 1 are installed on both sides below the supporting seat 1, and a supporting seat 5 is detachably installed below the supporting mechanism 4;

[0030] The shock absorbing mechanism 3 includes a movable column 301 arranged longitudinally along the supporting seat 1, a connecting cylinder 302 is installed on the circumferential surface of the lower end of the movable column 301, connecting plates 303 are installed on both sides of the connecting cylinder 302, the connecting plate 303 is movably connected to a support plate 305 through a connecting shaft 304, the support plate 305 is provided with a long strip hole 309 for limiting the movement of the connecting shaft 304, the upper end of the support plate 305 is movably connected to a positioning seat 307 through a positioning shaft 306, a shock absorbing spring 308 is sleeved on the movable column 301 located at the lower end of the connecting cylinder 302, and the movable column 301 of the shock absorbing mechanism 3 and the supporting seat 5 can slide in a small range in the vertical direction.

[0031] The centrifugal compressor shock-absorbing seat can significantly improve the problem of relatively large noise caused by the vibration of the centrifugal compressor and improve the working environment of the compressor.

[0032] Example 2

[0033] This embodiment is a further optimization of embodiment 1. The difference is that Figure 5 The supporting mechanism 4 includes a limit frame 401 arranged longitudinally along the supporting seat 1, and a movable plate 402 is installed inside the limit frame 401. A movable plate 403 is detachably installed on the upper end of the movable plate 402, and dampers 404 are installed on the lower ends of both sides of the movable plate 403.

[0034] Example 3

[0035] Compared with Embodiment 1-2, this embodiment is different in that:

[0036] There are 2 to 5 shock absorbing mechanisms 3, all of which are evenly distributed below the support seat 1. Each shock absorbing mechanism 3 includes two support plates 305. The ends of the two support plates 305 away from the connecting tube 302 are movably connected to the two sides of the moving column 301 through the positioning shaft 306 and the positioning seat 307. Figure 4 , Figure 4 It is a three-dimensional schematic diagram in which three shock absorbing mechanisms 3 are provided.

[0037] Preferably, retaining springs are installed on the circumferential surfaces of both ends of the connecting shaft 304 and the positioning shaft 306 .

[0038] Example 4

[0039] Compared with Embodiments 1-3, this embodiment is different in that:

[0040] The lower end of the movable plate 403 is provided with a connecting block 405, and the upper end of the movable plate 402 is provided with a connecting groove 406, in which the connecting block 405 is installed. Figure 2-3 .

[0041] Example 5

[0042] Compared with Embodiments 1-4, this embodiment is different in that:

[0043] The upper ends of both sides of the support seat 5 are provided with a sinking groove 501, the lower end of the limit frame 401 is located in the sinking groove 501, and the sinking groove 501 and the lower end of the limit frame 401 are provided with a positioning hole 7 arranged in a concentric circle, and the lower end of the damper 404 is installed in the positioning hole 7. Figure 2-3 .

[0044] Example 6

[0045] Compared with Embodiments 1-5, this embodiment is different in that:

[0046] The support base 5 has a through hole 502 formed inside, and the lower end of the movable column 301 is installed in the through hole 502. Figure 2 The movable column 301 can slide up and down in the through hole 502 of the support seat 5.

[0047] Example 7

[0048] Compared with Embodiments 1-6, this embodiment is different in that:

[0049] The lower end of the support seat 5 is detachably mounted with two symmetrically arranged support legs 6, the upper end of each support leg 6 is mounted with a clamping block, and the lower end of the support seat 5 is provided with a clamping groove, in which the clamping block is clamped.

[0050] Example 8

[0051] To facilitate the public to understand the present solution, this embodiment takes a new type of centrifugal compressor shock absorber as an example to further illustrate the present solution.

[0052] refer to Figure 1-5The centrifugal compressor shock absorber seat includes a supporting seat 1, a sound-absorbing cotton 2 is detachably installed inside the supporting seat 1, three shock absorbing mechanisms 3 are arranged at the lower end of the supporting seat 1, and the three shock absorbing mechanisms 3 are evenly distributed below the supporting seat 1. Each shock absorbing mechanism 3 includes a moving column 301 arranged along the longitudinal direction of the supporting seat 1, and a connecting cylinder 302 is installed on the circumferential surface of the lower end of the moving column 301, and connecting plates 303 are installed on both sides of the connecting cylinder 302. The connecting plate 303 is movably connected to a support plate 305 through a connecting shaft 304. The support plate 305 is provided with a long strip hole 309 which limits the movement of the connecting shaft 304. The upper end of the support plate 305 is movably connected to the positioning seat 307 through the positioning shaft 306. The ends of the two support plates 305 away from the connecting tube 302 are movably connected to the two sides of the moving column 301 through the positioning shaft 306 and the positioning seat 307. The circumferential surface of the moving column 301 located at the lower end of the connecting tube 302 is sleeved with a shock-absorbing spring 308. The moving column 301 of the shock-absorbing mechanism 3 and the support seat 5 can slide in a small range in the vertical direction.

[0053] Under the action of the support seat 1, the installation stability of the centrifugal compressor can be achieved. Under the action of the sound-absorbing cotton 2, the noise generated by the centrifugal compressor during operation can be absorbed, thereby reducing noise pollution. Under the action of the moving column 301, the support purpose of the support seat 1 can be achieved, and the installation stability of the connecting tube 302 can be guaranteed, thereby ensuring the installation stability of the connecting plate 303. Under the cooperation of the connecting plate 303 and the connecting shaft 304, the installation stability of the lower end of the support plate 305 can be guaranteed. Under the cooperation of the support plate 305 and the positioning shaft 306, the support purpose of the positioning seat 307 can be achieved. Under the action of the shock-absorbing spring 308, it can be achieved. The supporting purpose of the movable column 301 is that when the centrifugal compressor vibrates, the supporting seat 1 will vibrate in the vertical direction, thereby causing the movable column 301 and the positioning seat 307 to vibrate in the vertical direction, that is, the connecting tube 302 and the connecting plates 303 on both sides thereof can vibrate up and down in the vertical direction. When the positioning seat 307 vibrates, the supporting plate 305 will move downward under the action of the positioning shaft 306, and the connecting tube 302 and the connecting plate 303 can be lifted and lowered synchronously under the action of the connecting shaft 304. Under the action of the shock-absorbing spring 308, the vibration received by the supporting seat 1 can be converted into elastic potential energy, thereby achieving the purpose of shaking shock absorption.

[0054] In this embodiment, three groups of supporting mechanisms 4 are installed at the lower ends of both sides of the supporting seat 1, and each group of supporting mechanisms 4 is symmetrically distributed on both sides of the shock absorbing mechanism 3. The supporting mechanism 4 includes a limit frame 401 arranged along the longitudinal direction of the supporting seat 1, and a movable plate 402 is installed inside each limit frame 401. A movable plate 403 is detachably installed on the upper end of each movable plate 402, and a damper 404 is installed on the lower ends of both sides of each movable plate 403. A support seat 5 is detachably installed at the bottom of the supporting mechanism 4.

[0055] Under the action of the support seat 5, the supporting purpose of the supporting mechanism 4 can be achieved. Under the action of the supporting mechanism 4, the supporting purpose of the supporting seat 1 can be achieved. Under the action of the limiting frame 401, the installation stability of the movable plate 402 and the damper 404 can be guaranteed. Under the action of the movable plate 402, the supporting purpose of the movable plate 403 can be achieved. When the supporting seat 1 moves, the movable plate 402 will move in the vertical direction, thereby pushing the movable plate 402 to move in the vertical direction inside the limiting frame 401. Under the action of the damper 404, the energy generated by the vibration or impact can be consumed, thereby achieving the purpose of shock absorption and impact reduction, that is, the buffering and shock absorption purpose of the lower ends of both sides of the supporting seat 1 can be achieved.

[0056] In this embodiment, the circumferential surfaces of both ends of the connecting shaft 304 and each positioning shaft 306 are installed with retaining springs; the retaining springs can ensure the installation stability of the connecting shaft 304 and prevent the connecting shaft 304 and the positioning shaft 306 from falling off.

[0057] In this embodiment, a connecting block 405 is installed at the lower end of the movable plate 403, and a connecting groove 406 is opened at the upper end of the movable plate 402, and the connecting block 405 is installed in the connecting groove 406; under the action of the connecting groove 406, the installation stability of the connecting block 405 can be guaranteed, and under the cooperation of the connecting block 405 and the connecting groove 406, the connection stability between the movable plate 403 and the movable plate 402 can be guaranteed, and the movable plate 403 and the movable plate 402 can be separated.

[0058] In this embodiment, a groove 501 is provided at the upper ends of both sides of the support seat 5, the lower end of the limit frame 401 is located in the groove 501, and the groove 501 and the lower end of the limit frame 401 are provided with positioning holes 7 arranged in a concentric circle, and the lower end of the damper 404 is installed in the positioning hole 7; under the action of the groove 501, the installation stability of the limit frame 401 can be guaranteed, and under the action of the positioning hole 7, the installation stability of the damper 404 can be guaranteed.

[0059] In this embodiment, a through hole 502 is opened inside the support seat 5, and the lower end of the movable column 301 is installed in the through hole 502; under the action of the through hole 502, space can be provided for the movement of the movable column 301, and the movable column 301 can be prevented from tilting or shaking, thereby ensuring the use effect of the movable column 301.

[0060] In this embodiment, two symmetrically arranged supporting feet 6 are detachably installed at the lower end of the supporting seat 5, and a clamping block is installed at the upper end of each supporting foot 6. A clamping groove is opened at the lower end of the supporting seat 5, and the clamping block is clamped in the clamping groove; under the action of the clamping groove, the installation stability of the clamping block can be guaranteed, and under the cooperation of the clamping block and the clamping groove, the connection stability between the supporting foot 6 and the supporting seat 5 can be guaranteed, and the support foot 6 and the supporting seat 5 can be disassembled.

Claims

1. A centrifugal compressor damping seat, characterized in that: The invention comprises a supporting seat (1), a sound-absorbing cotton (2) is detachably mounted inside the supporting seat (1), the lower end of the supporting seat (1) is connected to a supporting seat (5) via a shock-absorbing mechanism (3), supporting mechanisms (4) for limiting the swing of the supporting seat (1) are mounted on both sides below the supporting seat (1), and a supporting seat (5) is detachably mounted below the supporting mechanism (4); The shock absorbing mechanism (3) comprises a movable column (301) arranged longitudinally along the supporting seat (1); a connecting cylinder (302) is installed on the circumferential surface of the lower end of the movable column (301); connecting plates (303) are installed on both sides of the connecting cylinder (302); the connecting plate (303) is movably connected to a supporting plate (305) via a connecting shaft (304); a long strip hole (309) is provided on the supporting plate (305) for limiting the movement of the connecting shaft (304); the upper end of the supporting plate (305) is movably connected to a positioning seat (307) via a positioning shaft (306); and a shock absorbing spring (308) is sleeved on the movable column (301) located at the lower end of the connecting cylinder (302).

2. A centrifugal compressor damping seat according to claim 1, characterized in that: The supporting mechanism (4) comprises a limiting frame (401) arranged longitudinally along the supporting seat (1), a movable plate (402) is installed inside the limiting frame (401), a movable plate (403) is detachably installed on the upper end of the movable plate (402), and dampers (404) are installed at the lower ends of both sides of the movable plate (403).

3. The centrifugal compressor damping seat according to claim 1, characterized in that: The shock absorbing mechanisms (3) are provided in 2 to 5 numbers, and all the shock absorbing mechanisms (3) are evenly distributed below the supporting seat (1). Each shock absorbing mechanism (3) comprises two supporting plates (305), and the ends of the two supporting plates (305) away from the connecting tube (302) are movably connected to the two sides of the moving column (301) through the positioning shaft (306) and the positioning seat (307).

4. A centrifugal compressor damping seat according to claim 3, characterized in that: Circumferential surfaces at both ends of the connecting shaft (304) and the positioning shaft (306) are both provided with retaining springs.

5. The centrifugal compressor damping seat according to claim 2, characterized in that: A connecting block (405) is installed at the lower end of the movable plate (403), a connecting groove (406) is provided at the upper end of the movable plate (402), and the connecting block (405) is installed in the connecting groove (406).

6. The centrifugal compressor damping seat according to claim 1, characterized in that: The upper ends of both sides of the support seat (5) are provided with a sinking groove (501), the lower end of the limiting frame (401) is seated in the sinking groove (501), and the sinking groove (501) and the lower end of the limiting frame (401) are provided with positioning holes (7) arranged in a concentric circle, and the lower end of the damper (404) is installed in the positioning hole (7).

7. The centrifugal compressor damping seat according to claim 1, characterized in that: A through hole (502) is provided inside the support seat (5), and the lower end of the movable column (301) is installed in the through hole (502).

8. The centrifugal compressor damping seat according to claim 1, characterized in that: Two symmetrically arranged supporting feet (6) are detachably mounted on the lower end of the supporting seat (5), a clamping block is mounted on the upper end of each supporting foot (6), and a clamping groove is formed at the lower end of the supporting seat (5), in which the clamping block is clamped.

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