High-protection marine switch cabinet convenient to assemble and assembling method thereof

Abstract

The invention discloses a high-protection marine switch cabinet convenient to assemble and an assembling method thereof.The high-protection marine switch cabinet convenient to assemble comprises a marine switch cabinet body, a dust filtering air inlet assembly is arranged at the upper end of the marine switch cabinet body, and a dust discharging air outlet assembly is arranged at the bottom of the marine switch cabinet body; according to the marine switch cabinet, through mutual cooperation of the dust filtering air inlet assembly and the dust discharging air outlet assembly, air circulation flow is formed in the marine switch cabinet body, heat dissipation and temperature reduction are conducted on the interior of the marine switch cabinet body, and the marine switch cabinet is convenient to mount and demount. The marine switch cabinet body is rapidly installed in the cabin through the suspended anti-seismic installation assembly, and the anti-seismic and anti-shaking effects of the marine switch cabinet body in the cabin are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of switch cabinets, and in particular relates to a high-protection shipboard switch cabinet which is easy to assemble and an assembling method thereof. Background Art

[0002] Switchgear is a kind of electrical equipment. Its main function is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. The components in the switchgear mainly include circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protective devices. Marine switchgear is a power control equipment specially designed for special environments such as ships and offshore platforms.

[0003] When using a marine switch cabinet, it is necessary to combine the use of the hull with the basis of earthquake resistance, anti-swaying and stability. However, most of the existing marine switch cabinets are directly fixed in the cabin. When the hull is vibrated and shaken, the marine switch cabinet will be affected. After long-term use, the connection of the marine switch cabinet will become loose, which will cause the marine switch cabinet to be unable to be used normally. In addition, the existing marine switch cabinet uses side air inlet and outlet for heat dissipation and cooling, which causes dust to enter the interior of the marine switch cabinet. Dust accumulates and is difficult to clean, affecting the normal use of the marine switch cabinet. For this reason, we propose a high-protection marine switch cabinet that is easy to assemble and an assembly method thereof. Summary of the invention

[0004] The object of the present invention is to provide a highly protective marine switch cabinet that is easy to assemble and an assembly method thereof, so as to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: a highly protective marine switch cabinet that is easy to assemble, comprising a marine switch cabinet body, a dust filter air intake assembly is arranged at the upper end of the marine switch cabinet body, a dust exhaust air outlet assembly is arranged at the bottom of the marine switch cabinet body, and a suspended anti-seismic installation assembly is also arranged at the bottom of the marine switch cabinet body; The dust filter air intake assembly is used to intake air into the marine switch cabinet body and filter dust; The dust exhaust and air outlet assembly is used to exhaust the heat and dust in the marine switch cabinet body. The dust filter air intake assembly and the dust exhaust and air outlet assembly cooperate with each other to form an air circulation flow in the marine switch cabinet body to dissipate heat and cool the interior of the marine switch cabinet body; The suspended anti-seismic mounting assembly is used to mount the marine switch cabinet body in a cabin, thereby achieving the anti-seismic and anti-swaying effects of the marine switch cabinet body in the cabin.

[0006] Preferably, the dust filter air intake assembly comprises an air intake base, an air intake cover and a double-layer filter cartridge; An air inlet is provided at the upper end of the marine switch cabinet body, the air inlet base is arranged on the marine switch cabinet body corresponding to the outer side of the air inlet, the double-layer filter cartridge is arranged in the air inlet base, and the air inlet cover is threadedly connected to the air inlet base.

[0007] Preferably, a limiting ring is provided at the inner bottom of the air intake base, and the double-layer filter cartridge is limitedly disposed in the air intake base by the limiting ring.

[0008] Preferably, the double-layer filter cartridge comprises a filter cartridge body and two filter screens, the two filter screens are arranged in the filter cartridge body, and the horizontal plane of the upper filter screen is lower than the upper end surface of the filter cartridge body.

[0009] Preferably, the dust exhaust and air outlet assembly comprises a dust collecting box, an exhaust plate and a fan; The exhaust plate is arranged at the bottom of the marine switch cabinet body, the dust box is arranged at a position corresponding to the exhaust plate at the bottom of the marine switch cabinet body by bolts, the dust box is connected with the inside of the marine switch cabinet body through the exhaust plate, and the fan is arranged at the bottom of the dust box.

[0010] Preferably, the suspended anti-seismic mounting assembly comprises a side U-shaped plate, a suspended base plate, a mounting base plate, a guide thread column and a compression spring; The side U-shaped plates are provided with two, and the two side U-shaped plates are symmetrically arranged at the bottom of the marine switch cabinet body, and the two side U-shaped plates are connected to the suspended base plate, and the suspended base plate and the mounting base plate are connected through the guide thread column and the compression spring.

[0011] Preferably, a groove is provided in the middle of the suspended substrate, and an exhaust space is formed between the bottom of the groove on the suspended substrate and the dust collecting box; A guide embedding groove is provided on the suspended base plate at a position corresponding to the side U-shaped plate, the side U-shaped plate is inserted into the guide embedding groove, and the side U-shaped plate and the suspended base plate are fixedly connected by bolts.

[0012] Preferably, a plurality of guide thread columns are provided, and the plurality of guide thread columns are symmetrically arranged on the mounting substrate, the compression spring is sleeved on the guide thread column, the suspended substrate guide is sleeved on the guide thread column, and the upper end of the guide thread column is connected to the suspended substrate through a nut.

[0013] Preferably, the mounting base plate is mounted in the cabin by means of mounting bolts, and a seismic buffer plate is provided at the bottom of the mounting base plate.

[0014] An assembly method for a high-protection marine switch cabinet that is easy to assemble comprises the following steps: A: During installation, install the fan at the bottom of the dust box, then install the dust box at the bottom of the marine switch cabinet body through bolts, then set the double-layer filter cartridge in the air intake base through the limit ring, and then screw the air intake cover onto the air intake base; B: Then insert the marine switch cabinet body into the guide groove on the suspended base plate through the side U-shaped plate, and then use bolts to fix the side U-shaped plate and the suspended base plate; C: Then place the seismic buffer plate on the bottom of the mounting base plate, and then install the mounting base plate in the cabin with the mounting bolts; D: Then sleeve the compression spring onto the guide thread column, and finally sleeve the marine switch cabinet body onto the guide thread column on the mounting base plate through the suspended base plate guide sleeve, and use nuts to connect the guide thread column and the suspended base plate, and adjust the screwing depth of the nut into the guide thread column according to the installation requirements, and then adjust the compression strength of the compression spring, and the installation is completed.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is provided with a dust filter air intake assembly and a dust exhaust air outlet assembly. When in use, external air enters the air intake base through the air intake cover, and then passes through the double-layer filter cartridge to double filter the air dust. Then the filtered air enters the marine switch cabinet body, cools and dissipates the heat of the marine switch cabinet body, and the heat in the marine switch cabinet body is sucked into the dust collection box through the fan and the exhaust plate, and then discharged by the fan, so as to realize the internal air circulation of the marine switch cabinet body, quickly cool down and dissipate the heat, and improve the heat dissipation effect; 2. The present invention is provided with an air intake base, an air intake cover and a double-layer filter cartridge. The air intake base and the double-layer filter cartridge are threadedly connected, which is convenient for disassembling and removing the double-layer filter cartridge, and cleaning the dust filtered by the double-layer filter cartridge, thereby ensuring the normal use of the dust filter air intake assembly, preventing dust from entering the marine switch cabinet body, and ensuring the normal use of the marine switch cabinet body; 3. The dust box at the bottom of the marine switch cabinet body of the present invention is connected by bolts, which is convenient for disassembly and cleaning of the dust in the dust box, and the fan can also directly discharge the dust from the bottom of the dust box, so that the dust will not accumulate at the bottom of the marine switch cabinet body 1, thereby avoiding dust accumulation and ensuring the normal use of the marine switch cabinet body; 4. The present invention is provided with a suspended anti-seismic installation assembly. During installation, the marine switch cabinet body is inserted into the guide groove on the suspended base plate through the side U-shaped plate, and then the side U-shaped plate and the suspended base plate are fixedly connected by bolts, and then the anti-seismic buffer plate is placed at the bottom of the installation base plate, and then the installation base plate is installed in the cabin through the installation bolts, and then the compression spring is sleeved on the guide thread column, and finally the marine switch cabinet body is sleeved on the guide thread column on the installation base plate through the suspended base plate guide sleeve, and the guide thread column and the suspended base plate are connected by a nut, and the screwing depth of the nut in the guide thread column is adjusted according to the installation requirements, and then the compression strength of the compression spring is adjusted, and the installation is completed, which is convenient and fast to assemble the marine switch cabinet body, and the compression strength of the compression spring can be adjusted according to the anti-seismic requirements, so as to realize the anti-seismic and anti-swaying of the marine switch cabinet body, and improve the use stability of the marine switch cabinet body; 5. The present invention is provided with a suspended seismic mounting assembly. When the hull is vibrated, the seismic buffer plate will first buffer the vibration, and then the suspended base plate and the mounting base plate will achieve vibration buffering through compression springs and guide threaded columns. The compressed compression springs will reduce the vibration impact on the ship switch cabinet body, thereby ensuring the stability of the ship switch cabinet body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 3 It is a cross-sectional structural schematic diagram of the present invention; Figure 4 It is a partial three-dimensional structural schematic diagram of the present invention; Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the double-layer filter cartridge of the present invention.

[0017] In the figure: 1. Marine switch cabinet body; 101. Air inlet; 2. Dust filter air inlet assembly; 201. Air inlet base; 202. Air inlet cover; 203. Double-layer filter cartridge; 203a. Filter cartridge body; 203b. Filter screen; 204. Limiting ring; 3. Dust exhaust air outlet assembly; 301. Dust collecting box; 302. Exhaust plate; 303. Fan; 4. Suspended anti-seismic mounting assembly; 401. Side U-shaped plate; 402. Suspended base plate; 403. Mounting base plate; 404. Guide threaded column; 405. Compression spring; 406. Groove; 407. Guide embedded groove; 408. Mounting bolt; 409. Anti-seismic buffer plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 5 The high-protection marine switch cabinet that is easy to assemble provided by the present invention comprises a marine switch cabinet body 1, a dust filter air intake assembly 2 is arranged at the upper end of the marine switch cabinet body 1, a dust exhaust air outlet assembly 3 is arranged at the bottom of the marine switch cabinet body 1, and a suspended anti-seismic installation assembly 4 is also arranged at the bottom of the marine switch cabinet body 1; The dust filter air intake assembly 2 is used to intake air into the marine switch cabinet body 1 and filter dust. The dust filter air intake assembly 2 includes an air intake base 201, an air intake cover 202 and a double-layer filter cartridge 203; an air inlet 101 is opened at the upper end of the marine switch cabinet body 1, the air intake base 201 is arranged on the outer side of the marine switch cabinet body 1 corresponding to the air inlet 101, the double-layer filter cartridge 203 is arranged in the air intake base 201, the air intake cover 202 is threadedly connected to the air intake base 201, a limiting ring 204 is arranged at the inner bottom of the air intake base 201, and the double-layer filter cartridge 203 is limitedly arranged in the air intake base 201 by the limiting ring 204, and the double-layer filter cartridge 203 includes a filter cylinder 203a and two filter screens 203b, the two filter screens 203b are arranged in the filter cylinder 203a, and the horizontal plane of the upper filter screen 203b is lower than the upper end surface of the filter cylinder 203a; The dust exhaust and air outlet assembly 3 is used to exhaust the heat and dust in the marine switch cabinet body 1. The dust filter air intake assembly 2 and the dust exhaust and air outlet assembly 3 cooperate with each other to form an air circulation flow in the marine switch cabinet body 1, and dissipate heat and cool the inside of the marine switch cabinet body 1. The dust exhaust and air outlet assembly 3 includes a dust collecting box 301, an exhaust plate 302 and a fan 303; the exhaust plate 302 is arranged at the bottom of the marine switch cabinet body 1, and the dust collecting box 301 is arranged at a position corresponding to the exhaust plate 302 at the bottom of the marine switch cabinet body 1 by bolts. The dust collecting box 301 is connected with the inside of the marine switch cabinet body 1 through the exhaust plate 302, and the fan 303 is arranged at the bottom of the dust collecting box 301. A groove 406 is arranged in the middle of the suspended base plate 402, and an exhaust space is formed between the bottom of the groove 406 on the suspended base plate 402 and the dust collecting box 301; The present invention is provided with a dust filter air intake assembly 2 and a dust exhaust air outlet assembly 3. When in use, external air enters the air intake base 201 through the air intake cover 202, and then passes through the double-layer filter cartridge 203 to double filter the air dust. Then the filtered air enters the marine switch cabinet body 1, cools and dissipates the marine switch cabinet body 1, and the heat in the marine switch cabinet body 1 is sucked into the dust collecting box 301 through the fan 303 and the exhaust plate 302, and then discharged by the fan 303, so as to realize the internal air circulation of the marine switch cabinet body 1, quickly cool and dissipate the heat, and improve the heat dissipation effect; The present invention is provided with an air intake base 201, an air intake cover 202 and a double-layer filter cartridge 203. The air intake base 201 and the double-layer filter cartridge 203 are threadedly connected, so that the double-layer filter cartridge 203 can be easily disassembled and taken out, and the dust filtered by the double-layer filter cartridge 203 can be cleaned to ensure the normal use of the dust filter air intake assembly 2, and dust can be prevented from entering the marine switch cabinet body 1, thereby ensuring the normal use of the marine switch cabinet body 1; The dust box 301 at the bottom of the marine switch cabinet body 1 of the present invention is connected by bolts, which is convenient for disassembling and cleaning the dust in the dust box 301, and the fan 303 can also directly discharge the dust from the bottom of the dust box 301, so that the dust will not accumulate at the bottom of the marine switch cabinet body 1, thereby avoiding dust accumulation and ensuring the normal use of the marine switch cabinet body 1; The suspended anti-seismic mounting assembly 4 is used to install the marine switch cabinet body 1 in the cabin to achieve the anti-seismic and anti-swaying effects of the marine switch cabinet body 1 in the cabin. The suspended anti-seismic mounting assembly 4 includes a side U-shaped plate 401, a suspended base plate 402, a mounting base plate 403, a guide thread column 404 and a compression spring 405; two side U-shaped plates 401 are provided, and the two side U-shaped plates 401 are symmetrically arranged at the bottom of the marine switch cabinet body 1, and the two side U-shaped plates 401 are connected to the suspended base plate 402, and the suspended base plate 402 and the mounting base plate 403 are connected by the guide thread column 404 and the compression spring 405, and the corresponding side U-shaped plates 401 on the suspended base plate 402 A guide groove 407 is provided at the position of 01, the side U-shaped plate 401 is inserted into the guide groove 407, and the side U-shaped plate 401 and the suspended base plate 402 are fixedly connected by bolts, four guide threaded columns 404 are provided, and the four guide threaded columns 404 are symmetrically arranged on the mounting base plate 403, the compression spring 405 is sleeved on the guide threaded columns 404, the suspended base plate 402 is guide-sleeved on the guide threaded columns 404, and the upper end of the guide threaded column 404 is connected to the suspended base plate 402 through a nut, the mounting base plate 403 is installed in the cabin through the mounting bolts 408, and the bottom of the mounting base plate 403 is provided with a seismic buffer plate 409; The present invention is provided with a suspended anti-seismic installation assembly 4. During installation, the marine switch cabinet body 1 is inserted into the guide groove 407 on the suspended base plate 402 through the side U-shaped plate 401, and then the side U-shaped plate 401 and the suspended base plate 402 are fixedly connected by bolts, and then the anti-seismic buffer plate 409 is placed at the bottom of the installation base plate 403, and then the installation base plate 403 is installed in the cabin through the installation bolts 408, and then the compression spring 405 is sleeved on the guide threaded column 404, and finally the marine switch cabinet body 1 is inserted into the suspended base plate 402. 02 The guide sleeve is connected to the guide thread column 404 on the installation base plate 403, and the guide thread column 404 and the suspended base plate 402 are connected by a nut, and the screwing depth of the nut in the guide thread column 404 is adjusted according to the installation requirements, thereby adjusting the compression strength of the compression spring 405, and the installation is completed, which is convenient for quick assembly of the marine switch cabinet body 1, and the compression strength of the compression spring 405 can be adjusted according to the seismic requirements, so as to realize the seismic resistance and anti-sway of the marine switch cabinet body 1, and improve the use stability of the marine switch cabinet body 1; The present invention is provided with a suspended anti-seismic mounting assembly 4. When the hull is vibrated, the anti-seismic buffer plate 409 will first buffer the vibration, and then the suspended base plate 402 and the mounting base plate 403 will achieve vibration buffering through the compression spring 405 and the guide thread column 404. The compressed compression spring 405 reduces the vibration effect on the ship switch cabinet body 1, thereby ensuring the stability of the ship switch cabinet body 1.

[0020] The assembly method of the easy-to-assemble high-protection marine switch cabinet provided by the present invention comprises the following steps: A: During installation, install the fan 303 at the bottom of the dust box 301, and then install the dust box 301 at the bottom of the marine switch cabinet body 1 through bolts, then limit the double-layer filter cartridge 203 in the air intake base 201 through the limit ring 204, and then screw the air intake cover 202 on the air intake base 201; B: Then, the marine switch cabinet body 1 is inserted into the guide groove 407 on the suspended base plate 402 through the side U-shaped plate 401, and then the side U-shaped plate 401 and the suspended base plate 402 are fixedly connected using bolts; C: Then place the anti-seismic buffer plate 409 on the bottom of the mounting base plate 403, and then install the mounting base plate 403 in the cabin through the mounting bolts 408; D: Then, the compression spring 405 is sleeved on the guide thread column 404, and finally, the marine switch cabinet body 1 is sleeved on the guide thread column 404 on the mounting base plate 403 through the suspended base plate 402, and the guide thread column 404 and the suspended base plate 402 are connected with a nut, and the screwing depth of the nut in the guide thread column 404 is adjusted according to the installation requirements, and then the compression strength of the compression spring 405 is adjusted, and the installation is completed.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly protective marine switch cabinet that is easy to assemble, characterized in that: It comprises a marine switch cabinet body (1), wherein a dust filter air intake assembly (2) is arranged at the upper end of the marine switch cabinet body (1), a dust exhaust air outlet assembly (3) is arranged at the bottom of the marine switch cabinet body (1), and a suspended anti-seismic installation assembly (4) is also arranged at the bottom of the marine switch cabinet body (1); The dust filter air intake assembly (2) is used to intake air into the marine switch cabinet body (1) and filter dust; The dust exhaust and air outlet assembly (3) is used to exhaust heat and dust from the marine switch cabinet body (1); the dust filter air intake assembly (2) and the dust exhaust and air outlet assembly (3) cooperate with each other to form an air circulation flow in the marine switch cabinet body (1), thereby dissipating heat and cooling the interior of the marine switch cabinet body (1); The suspended anti-seismic mounting assembly (4) is used to mount the marine switch cabinet body (1) in a cabin, thereby achieving the anti-seismic and anti-swaying effects of the marine switch cabinet body (1) in the cabin.

2. The easy-to-assemble high-protection marine switch cabinet according to claim 1, characterized in that: The dust filter air intake assembly (2) comprises an air intake base (201), an air intake cover (202) and a double-layer filter cartridge (203); An air inlet (101) is provided at the upper end of the marine switch cabinet body (1); the air inlet base (201) is arranged on the marine switch cabinet body (1) at an outer side corresponding to the air inlet (101); the double-layer filter cartridge (203) is arranged inside the air inlet base (201); and the air inlet cover (202) is threadedly connected to the air inlet base (201).

3. The easy-to-assemble high-protection marine switch cabinet according to claim 2 is characterized in that: A limiting ring (204) is provided at the inner bottom of the air intake base (201), and the double-layer filter cartridge (203) is limitedly disposed in the air intake base (201) by the limiting ring (204).

4. The high-protection marine switch cabinet that is easy to assemble according to claim 3 is characterized in that: The double-layer filter cartridge (203) comprises a filter cartridge body (203a) and two filter screens (203b), wherein the two filter screens (203b) are arranged in the filter cartridge body (203a), and the horizontal plane of the upper filter screen (203b) is lower than the upper end surface of the filter cartridge body (203a).

5. The easy-to-assemble high-protection marine switch cabinet according to claim 1 is characterized in that: The dust exhaust and air outlet assembly (3) comprises a dust collecting box (301), an exhaust plate (302) and a fan (303); The exhaust plate (302) is arranged at the bottom of the marine switch cabinet body (1); the dust box (301) is arranged at a position of the bottom of the marine switch cabinet body (1) corresponding to the exhaust plate (302) by means of bolts; the dust box (301) is connected to the inside of the marine switch cabinet body (1) via the exhaust plate (302); and the fan (303) is arranged at the bottom of the dust box (301).

6. The easy-to-assemble high-protection marine switch cabinet according to claim 5, characterized in that: The suspended anti-seismic mounting assembly (4) comprises a side U-shaped plate (401), a suspended base plate (402), a mounting base plate (403), a guide thread column (404) and a compression spring (405); Two side U-shaped plates (401) are provided, and the two side U-shaped plates (401) are symmetrically arranged at the bottom of the marine switch cabinet body (1), and the two side U-shaped plates (401) are connected to the suspended base plate (402), and the suspended base plate (402) and the mounting base plate (403) are connected via the guide thread column (404) and the compression spring (405).

7. The easy-to-assemble high-protection marine switch cabinet according to claim 6, characterized in that: A groove (406) is provided in the middle of the suspended base plate (402), and an exhaust space is formed between the bottom of the groove (406) on the suspended base plate (402) and the dust collecting box (301); A guide embedding groove (407) is provided on the suspended base plate (402) at a position corresponding to the side U-shaped plate (401), the side U-shaped plate (401) is inserted into the guide embedding groove (407), and the side U-shaped plate (401) and the suspended base plate (402) are fixedly connected by bolts.

8. The easy-to-assemble high-protection marine switch cabinet according to claim 7, characterized in that: A plurality of guide thread columns (404) are provided, and the plurality of guide thread columns (404) are symmetrically arranged on the mounting base plate (403); the compression spring (405) is sleeved on the guide thread columns (404); the suspended base plate (402) is guide-sleeved on the guide thread columns (404); and the upper end of the guide thread column (404) is connected to the suspended base plate (402) via a nut.

9. The easy-to-assemble high-protection marine switch cabinet according to claim 8, characterized in that: The mounting base plate (403) is mounted in the cabin via mounting bolts (408), and a seismic buffer plate (409) is provided at the bottom of the mounting base plate (403).

10. The method for assembling a highly protective marine switch cabinet that is easy to assemble according to any one of claims 1 to 9, characterized in that: The steps include: A: During installation, the fan (303) is installed at the bottom of the dust box (301), and then the dust box (301) is installed at the bottom of the marine switch cabinet body (1) by bolts. Then, the double-layer filter cartridge (203) is limitedly set in the air intake base (201) by the limit ring (204), and then the air intake cover (202) is screwed onto the air intake base (201); B: Then, the marine switch cabinet body (1) is inserted into the guide groove (407) on the suspended base plate (402) through the side U-shaped plate (401), and then the side U-shaped plate (401) and the suspended base plate (402) are fixedly connected using bolts; C: Then, the anti-seismic buffer plate (409) is placed on the bottom of the mounting base plate (403), and the mounting base plate (403) is then mounted in the cabin by means of mounting bolts (408); D: Then, the compression spring (405) is sleeved on the guide thread column (404), and finally, the marine switch cabinet body (1) is sleeved on the guide thread column (404) on the mounting base plate (403) through the suspended base plate (402), and the guide thread column (404) and the suspended base plate (402) are connected using a nut, and the screwing depth of the nut on the guide thread column (404) is adjusted according to the installation requirements, thereby adjusting the compression strength of the compression spring (405), and the installation is completed.

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