A device for installing and fixing electrical equipment on a ship

Abstract

The present invention discloses a device for installing and fixing ship electrical equipment, and relates to the field of equipment installation. The present invention includes a support frame and electrical equipment, wherein the support frame is provided with a moving mechanism, a fixing mechanism and a fastening mechanism, wherein the moving mechanism includes a driving assembly and a limiting assembly; wherein the driving assembly includes a moving plate provided on the inner wall of the support frame, wherein a slide groove is provided inside the support frame, wherein the front and rear sides of the moving plate are fixedly connected with slide rails, wherein the inner wall of the slide groove is slidably connected with the slide rails, wherein the bottom surface of the moving plate is fixedly connected with a pulley, wherein a threaded rod is rotatably penetrated through the support frame, wherein the threaded rod slides and extends to the inside of the moving plate, wherein the inner wall of the moving plate is fixedly connected with an internal thread block, wherein the threaded rod is threadedly penetrated through the internal thread block. The present invention effectively prevents the electrical equipment from loosening and deflecting during ship transportation by providing a fixing mechanism, and further improves the reliability of clamping.

Description

Technical Field

[0001] The invention belongs to the technical field of equipment installation, and in particular relates to a device for installing and fixing ship electrical equipment. Background Art

[0002] Electrical equipment is a general term for generators, transformers, power lines, circuit breakers and other equipment in the power system. On large ships, a large number of electrical equipment will be installed inside the distribution room or the corresponding engine room to ensure the normal operation of large ships during navigation. Currently, the installation devices of electrical equipment are all installed on the floor of the cabin by bolts.

[0003] In some existing devices for fixed installation of electrical equipment, the ship shakes greatly when moving, thereby generating inertial forces in different directions. If it is not buffered, it will cause the electrical equipment to vibrate violently or even fall off, causing equipment damage, circuit failure, and even safety accidents. Summary of the invention

[0004] The object of the present invention is to provide a device for installing and fixing ship electrical equipment. By providing a fixing mechanism, after placing a support frame on the top surface of a support plate, the weight of the electrical equipment is generally large. Under the action of the gravity of the electrical equipment, the support plate moves downward, and at the same time, a plurality of sliders and a hinged rod cooperate with each other, so that a plurality of sliders symmetrically arranged on the front and rear sides slide away from each other on the slide rod, and cooperate with the slider to change the angles of a plurality of connecting plates symmetrically arranged on the front sides, and the tops of the plurality of connecting plates are close to each other, so as to clamp the front and rear sides of the support frame. At this time, the spring 2 is stretched under the action of the slide rod 2 and the gasket, so that the gasket not only plays a buffering role, but also more effectively prevents the electrical equipment from loosening and deflecting during ship transportation, further improving the reliability of clamping, and the spring 1 at the bottom of the support plate can buffer the shaking and vibration, further improving the stability of the overall device, and solving the problem that in some existing devices for fixing and installing electrical equipment, the ship shakes greatly when moving, thereby generating inertial forces in different directions. If it is not buffered, the electrical equipment will vibrate violently or even fall off, causing equipment damage, circuit failure, and even safety accidents.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a device for installing and fixing ship electrical equipment, comprising a support frame and electrical equipment, wherein the support frame is provided with a moving mechanism, a fixing mechanism and a fastening mechanism, and the moving mechanism comprises a driving component and a limiting component;

[0007] The driving assembly includes a movable plate provided on the inner wall of the support frame, a slide groove is provided inside the support frame, the front and rear sides of the movable plate are fixedly connected with slide rails, the inner wall of the slide groove is slidably connected to the slide rail, the bottom surface of the movable plate is fixedly connected with a pulley, a threaded rod is rotatably penetrated on the support frame, the threaded rod slides and extends to the inside of the movable plate, the inner wall of the movable plate is fixedly connected with an internal thread block, the threaded rod threads penetrate the internal thread block, a support frame is placed on the top surface of the movable plate, and an electrical device is fixedly connected to the top surface of the support frame.

[0008] Furthermore, the fixing mechanism includes a supporting assembly, a connecting assembly, a clamping assembly and a fixing assembly; the supporting assembly includes a plurality of supporting frames fixedly connected to the top surface of the movable plate, the inner walls of a plurality of the supporting frames are fixedly connected with a sliding rod 1, the outer walls of a plurality of the sliding rods 1 are slidably sleeved with two sliding blocks, the two sliding blocks are symmetrically distributed on the outer wall of the sliding rod 1, the outer walls of a plurality of the sliding rods 1 are wrapped with two springs 1, one end of the spring 1 is fixedly connected to the sliding block, and the other end of the spring 1 is fixedly connected to the inner wall of the supporting frame.

[0009] Furthermore, the connecting assembly includes hinged rods 1 hinged on the outer walls of several sliders, and the ends of several hinged rods 1 away from the sliders are hinged with hinge blocks, and the top surfaces of several hinge blocks are fixedly connected with support plates.

[0010] Furthermore, the clamping assembly includes two hinged rods fixedly connected to the top surfaces of a plurality of sliders, the outer walls of a plurality of hinged rods two are rotatably connected to connecting plates, a plurality of grooves one are provided on the support plate, the inner walls of a plurality of grooves one are fixedly connected to connecting rods, a plurality of connecting plates are provided with grooves two, and a plurality of connecting rods are respectively slidably connected to the inner walls of grooves two.

[0011] Furthermore, the fixing assembly includes two sliding rods that slide through a plurality of connecting plates, the front and rear ends of a plurality of pads are respectively fixedly connected with pads and gaskets, the outer walls of a plurality of the pads are each wrapped with two springs, one end of the two springs is fixedly connected with the gasket, and the other end of the two springs is fixedly connected with the connecting plate.

[0012] Furthermore, the limiting assembly includes a limiting ring 1 fixedly connected to the outer wall of the threaded rod, the limiting ring 1 is slidably connected to the right side of the support frame, the right end of the threaded rod is fixedly connected to a handle, the inner bottom wall of the support frame is fixedly connected to a fixed block, the threaded rod rotates and passes through the fixed block, the left end of the threaded rod is fixedly connected to a limiting ring 2, and the limiting ring 2 is slidably connected to the left side of the fixed block.

[0013] Furthermore, the fastening mechanism includes vertical plates that are fixedly connected to the support frame and the top surface of the movable plate, and groove three is opened on the side close to each other of the two vertical plates, and two dampers are fixedly connected to the inner walls of the two grooves three, and a pad is fixedly connected to the end of the two dampers away from the groove three, and two pads are provided with symmetrical distribution on the left and right sides of the support frame. The outer walls of several of the dampers are wound with spring three, one end of the spring three is fixedly connected to the inner wall of the groove three, and the other end of the spring three is fixedly connected to the pad.

[0014] Furthermore, a plurality of mounting plates are fixedly connected to the bottom surface of the support frame, and bolts are threadedly penetrated through the plurality of mounting plates.

[0015] The present invention has the following beneficial effects:

[0016] 1. By providing a fixing mechanism, after the support frame is placed on the top surface of the support plate, the electrical equipment is generally heavy. Under the action of gravity of the electrical equipment, the support plate moves downward, and at the same time, multiple sliders and hinge rod 1 cooperate with each other, so that multiple sliders symmetrically arranged on the front and rear sides slide away from each other on the slide rod 1, and cooperate with the slider to change the angles of multiple connecting plates symmetrically arranged on the front sides, and the tops of the multiple connecting plates approach each other to clamp the front and rear sides of the support frame. At this time, spring 2 is stretched under the action of slide rod 2 and gasket, so that the gasket not only plays a buffering role, but also more effectively prevents the electrical equipment from loosening and deflecting during ship transportation, further improving the reliability of clamping, and the spring 1 at the bottom of the support plate can buffer shaking and vibration, further improving the stability of the overall device.

[0017] 2. By providing a moving mechanism and a fastening mechanism, the threaded rod can be rotated by manually holding the handle to drive the moving plate to move to the right, so that the moving plate drives the fixing mechanism and the electrical equipment to move to the right, until the right side of the support frame moves to the right pad and squeezes the pad to move to the right. At this time, the damper and the spring three are squeezed, so that the two pads further clamp and fix the left and right sides of the support frame, and under the action of the damper and the spring three, the clamping force can be buffered to avoid damage to the support frame caused by excessive clamping force. While improving stability, the handle can also be turned to slide the electrical equipment to the left, which is convenient for the inspection and disassembly of the electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the mobile mechanism of the present invention;

[0020] Figure 3It is a schematic diagram of a partial cross-sectional structure of a movable plate of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the fixing mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the left side cross-sectional structure of the support plate of the present invention;

[0023] Figure 6 It is a front cross-sectional structural schematic diagram of the pad of the present invention;

[0024] Figure 7 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 8 for Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0026] Fig. 9 for Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0027] Fig.10 It is a bottom view structural schematic diagram of the electrical device of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1. Support frame; 2. Moving mechanism; 3. Fixing mechanism; 4. Fastening mechanism; 5. Electrical equipment; 51. Support frame; 11. Mounting plate; 12. Bolt; 21. Moving plate; 22. Slide groove; 23. Slide rail; 24. Pulley; 25. Threaded rod; 26. Limiting ring 1; 27. Handle; 28. Fixing block; 29. ​​Limiting ring 2; 291. Internal thread block; 31. Support frame; 32. Slide rod 1 ; 33. Slider; 34. Spring 1; 35. Articulated rod 1; 36. Articulated block; 37. Support plate; 38. Articulated rod 2; 381. Connecting plate; 382. Groove 1; 383. Connecting rod; 384. Groove 2; 39. Slider 2; 391. Pad; 392. Gasket; 393. Spring 2; 41. Vertical plate; 42. Groove 3; 43. Damper; 44. Spring 3; 45. Pad. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-10As shown, the present invention is a device for installing and fixing electrical equipment on a ship, comprising a support frame 1 and electrical equipment 5. A moving mechanism 2, a fixing mechanism 3 and a fastening mechanism 4 are arranged on the support frame 1. The moving mechanism 2 comprises a driving component and a limiting component.

[0032] The driving assembly includes a moving plate 21 provided on the inner wall of the support frame 1, a slide groove 22 is provided inside the support frame 1, a slide rail 23 is fixedly connected to the front and rear sides of the moving plate 21, the inner wall of the slide groove 22 is slidably connected to the slide rail 23, a pulley 24 is fixedly connected to the bottom surface of the moving plate 21, a threaded rod 25 is rotatably penetrated on the support frame 1, the threaded rod 25 slides and extends to the inside of the moving plate 21, an internal thread block 291 is fixedly connected to the inner wall of the moving plate 21, the threaded rod 25 is threadedly penetrated by the internal thread block 291, and the moving plate 2 A support frame 51 is placed on the top surface of 1, and an electrical device 5 is fixedly connected to the top surface of the support frame 51. The limiting assembly includes a limiting ring 1 26 fixedly connected to the outer wall of the threaded rod 25, the limiting ring 1 26 is slidably connected to the right side of the support frame 1, the right end of the threaded rod 25 is fixedly connected to a handle 27, the inner bottom wall of the support frame 1 is fixedly connected to a fixing block 28, the threaded rod 25 rotates and passes through the fixing block 28, the left end of the threaded rod 25 is fixedly connected to a limiting ring 29, and the limiting ring 29 is slidably connected to the left side of the fixing block 28.

[0033] The fixing mechanism 3 includes a supporting assembly, a connecting assembly, a clamping assembly and a fixing assembly; the supporting assembly includes a plurality of supporting frames 31 fixedly connected to the top surface of the moving plate 21, the inner walls of the plurality of supporting frames 31 are fixedly connected to a sliding rod 32, the outer walls of the plurality of sliding rods 32 are slidably sleeved with two sliding blocks 33, the two sliding blocks 33 are symmetrically distributed on the outer wall of the sliding rod 32, the outer walls of the plurality of sliding rods 32 are wound with two springs 34, one end of the spring 34 is fixedly connected to the sliding block 33, the other end of the spring 34 is fixedly connected to the inner wall of the supporting frame 31, the connecting assembly includes a hinged rod 33 hinged on the outer walls of the plurality of sliding blocks 33 5. The ends of the plurality of articulated rods 1 35 away from the slider 33 are all articulated with articulated blocks 36, the top surfaces of the plurality of articulated blocks 36 are fixedly connected with support plates 37, the clamping components include articulated rods 2 38 all fixedly connected to the top surfaces of the plurality of sliders 33, the outer walls of the plurality of articulated rods 2 38 are all rotatably connected with connecting plates 381, the support plate 37 is provided with a plurality of grooves 1 382, ​​the inner walls of the plurality of grooves 1 382 are all fixedly connected with connecting rods 383, the plurality of connecting plates 381 are provided with grooves 2 384, the plurality of connecting rods 383 are respectively slidably connected with the inner walls of the grooves 2 384, the fixing components include a plurality of connecting plates 381 all slidably penetrating The front and rear ends of the plurality of cushion blocks 391 are respectively fixedly connected with cushion blocks 391 and gaskets 392, and the outer walls of the plurality of cushion blocks 391 are wound with springs 393, one end of the springs 393 is fixedly connected with the gaskets 392, and the other end of the springs 393 is fixedly connected with the connecting plate 381. By providing a fixing mechanism 3, after the support frame 51 is placed on the top surface of the support plate 37, the electrical equipment 5 is generally heavy, and under the action of the gravity of the electrical equipment 5, the support plate 37 moves downward, and at the same time, the plurality of sliders 33 and the hinge rod 1 35 cooperate with each other, so that the plurality of sliders 3 symmetrically arranged on the front and rear sides are The two connecting plates 381 are symmetrically arranged on the front side and the support frame 51 is clamped by the spring 393. The spring 393 is stretched by the slide bar 39 and the gasket 392, so that the gasket 391 not only plays a buffering role, but also effectively prevents the electrical equipment 5 from loosening and deflecting during ship transportation, further improving the reliability of clamping. The spring 34 at the bottom of the support plate 37 can buffer shaking and vibration, further improving the stability of the overall device.

[0034] The fastening mechanism 4 includes vertical plates 41 which are fixedly connected to the top surfaces of the support frame 1 and the movable plate 21. A groove 3 42 is provided on the two vertical plates 41 on the sides close to each other. Two dampers 43 are fixedly connected to the inner walls of the two grooves 3 42. A pad 45 is fixedly connected to the ends of the two dampers 43 away from the groove 3 42. The pad 45 is provided with two symmetrically distributed on the left and right sides of the support frame 51. Springs 3 44 are wound around the outer walls of the dampers 43. One end of the spring 3 44 is fixedly connected to the inner wall of the groove 3 42, and the other end of the spring 3 44 is fixedly connected to the pad 45. A plurality of mounting plates 11 are fixedly connected to the bottom surface of the support frame 1. Bolts 12 are threaded through the plurality of mounting plates 11. By setting A moving mechanism 2 and a fastening mechanism 4 are provided. The handle 27 can be manually held to rotate the threaded rod 25, so that it drives the moving plate 21 to move to the right, and the moving plate 21 drives the fixing mechanism 3 and the electrical equipment 5 to move to the right, until the right side of the support frame 51 moves to the right pad 45 and squeezes the pad 45 to move to the right. At this time, the damper 43 and the spring three 44 are squeezed, so that the two pads 45 further clamp and fix the left and right sides of the support frame 51, and under the action of the damper 43 and the spring three 44, the clamping force can be buffered to avoid damage to the support frame 51 caused by excessive clamping force. While improving stability, the handle 27 can be turned to slide the electrical equipment 5 to the left, which is convenient for the inspection and disassembly of the electrical equipment 5.

[0035] A specific application of this embodiment is: before installing the device, the support frame 1 can be fixed on the support surface of the ship through the mounting plate 11 and the bolts 12, at this time, the pulley 24 is in contact with the support surface of the ship, and the electrical equipment 5 is hoisted and placed on the top surface of the support plate 37 by an external crane;

[0036] By providing a fixing mechanism 3, after the support frame 51 is placed on the top surface of the support plate 37, the electrical equipment 5 is generally heavy. Under the action of the gravity of the electrical equipment 5, the support plate 37 moves downward, and at the same time, the multiple sliders 33 and the hinge rod 1 35 cooperate with each other, so that the multiple sliders 33 symmetrically arranged on the front and rear sides slide away from each other on the slide rod 1 32. At this time, the multiple springs 1 34 are squeezed, and at the same time, during the downward movement of the support plate 37, the multiple connecting rods 383 slide in the grooves 2 384 on the connecting plate 381, and cooperate with the sliders 33, so that the angles of the multiple connecting plates 381 symmetrically arranged on the front sides are released. The tops of the multiple connecting plates 381 are close to each other to clamp the front and rear sides of the support frame 51, and when the support frame 51 is clamped and positioned, the multiple cushion blocks 391 are tightly fitted with the front and rear sides of the support frame 51. At this time, the spring 2 393 is stretched under the action of the slide bar 2 39 and the gasket 392, so that the cushion block 391 not only plays a buffering role, but also more effectively prevents the electrical equipment 5 from loosening and deflecting during ship transportation, further improving the reliability of clamping, and the spring 1 34 at the bottom of the support plate 37 can buffer shaking and vibration, further improving the stability of the overall device;

[0037] By providing the moving mechanism 2 and the fastening mechanism 4, the slide groove 22 cooperates with the slide rail 23, so that the moving plate 21 can only slide left and right on the inner wall of the support frame 1, and the limit ring 1 26, the fixing block 28, the limit ring 29 and the internal thread block 291 cooperate with each other, so that the threaded rod 25 can only rotate on the support frame 1, and then the left side of the support frame 51 is attached to the right side of the left pad 45 and the support frame 51 is placed on the top surface of the support plate 37, and the handle 27 can be manually held to rotate the threaded rod 25, so that it drives the moving plate 21 to move to the right, so that the moving plate 21 can move to the right. The plate 21 drives the fixing mechanism 3 and the electrical equipment 5 to move to the right until the right side of the support frame 51 moves onto the right pad 45 and squeezes the pad 45 to move to the right. At this time, the damper 43 and the spring three 44 are squeezed, so that the two pads 45 further clamp and fix the left and right sides of the support frame 51, and under the action of the damper 43 and the spring three 44, the clamping force can be buffered to avoid damage to the support frame 51 caused by excessive clamping force. While improving stability, the handle 27 can also be turned to slide the electrical equipment 5 to the left, which is convenient for the inspection and disassembly of the electrical equipment 5.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A device for installing and fixing electrical equipment on a ship, comprising a support frame (1) and electrical equipment (5), characterized in that: The support frame (1) is provided with a moving mechanism (2), a fixing mechanism (3) and a fastening mechanism (4), wherein the moving mechanism (2) comprises a driving component and a limiting component; A plurality of mounting plates (11) are fixedly connected to the bottom surface of the support frame (1), and a plurality of mounting plates (11) are threadedly penetrated by bolts (12); The driving assembly comprises a moving plate (21) provided on the inner wall of a support frame (1), a slide groove (22) being provided inside the support frame (1), a slide rail (23) being fixedly connected to the front and rear sides of the moving plate (21), the inner wall of the slide groove (22) being slidably connected to the slide rail (23), a pulley (24) being fixedly connected to the bottom surface of the moving plate (21), a threaded rod (25) being rotatably penetrated on the support frame (1), the threaded rod (25) being slidably extended to the inside of the moving plate (21), an internal thread block (291) being fixedly connected to the inner wall of the moving plate (21), the threaded rod (25) being threadedly penetrated through the internal thread block (291), a support frame (51) being placed on the top surface of the moving plate (21), and an electrical device (5) being fixedly connected to the top surface of the support frame (51); The limiting assembly comprises a limiting ring 1 (26) fixedly connected to the outer wall of the threaded rod (25), the limiting ring 1 (26) being slidably connected to the right side of the support frame (1), the right end of the threaded rod (25) being fixedly connected to a handle (27), the inner bottom wall of the support frame (1) being fixedly connected to a fixing block (28), the threaded rod (25) being rotatably passed through the fixing block (28), the left end of the threaded rod (25) being fixedly connected to a limiting ring 2 (29), the limiting ring 2 (29) being slidably connected to the left side of the fixing block (28); The fixing mechanism (3) comprises a supporting assembly, a connecting assembly, a clamping assembly and a fixing assembly; the supporting assembly comprises a plurality of supporting frames (31) fixedly connected to the top surface of the movable plate (21); the inner walls of the plurality of supporting frames (31) are fixedly connected to a sliding rod (32); the outer walls of the plurality of sliding rods (32) are slidably sleeved with two sliding blocks (33); the two sliding blocks (33) are symmetrically distributed on the outer wall of the sliding rod (32); the outer walls of the plurality of sliding rods (32) are wound with two springs (34); one end of the spring (34) is fixedly connected to the sliding block (33); the other end of the spring (34) is fixedly connected to the inner wall of the supporting frame (31); The connection assembly comprises hinged rods (35) each hinged on the outer wall of a plurality of sliders (33); a hinge block (36) is hinged on one end of the plurality of hinged rods (35) away from the sliders (33); and a support plate (37) is fixedly connected to the top surface of the plurality of hinge blocks (36); The clamping assembly comprises hinged rods (38) each fixedly connected to the top surfaces of the plurality of sliders (33); the outer walls of the plurality of hinged rods (38) are rotatably connected to connecting plates (381); the support plate (37) is provided with a plurality of grooves (382); the inner walls of the plurality of grooves (382) are fixedly connected to connecting rods (383); the plurality of connecting plates (381) are provided with grooves (384); and the plurality of connecting rods (383) are slidably connected to the inner walls of the grooves (384) respectively; The fixing assembly comprises two slide bars (39) which are slidably passed through the plurality of connecting plates (381); the front ends and rear ends of the plurality of cushion blocks (391) are respectively fixedly connected to the cushion blocks (391) and the gasket (392); the outer walls of the plurality of cushion blocks (391) are each wound with a second spring (393); one end of the second spring (393) is fixedly connected to the gasket (392); and the other end of the second spring (393) is fixedly connected to the connecting plate (381); Under the action of gravity of the electrical equipment (5), the support plate (37) moves downward, and at the same time, the plurality of sliders (33) and the hinge rod (35) cooperate with each other, so that the plurality of sliders (33) symmetrically arranged on the front and rear sides slide away from each other on the slide rod (32), and the sliders (33) cooperate to change the angles of the plurality of connecting plates (381) symmetrically arranged on the front sides, so that the tops of the plurality of connecting plates (381) approach each other, thereby clamping the front and rear sides of the support frame (51); The fastening mechanism (4) comprises vertical plates (41) which are fixedly connected to the top surfaces of the support frame (1) and the movable plate (21); a groove three (42) is provided on the sides of the two vertical plates (41) which are close to each other; two dampers (43) are fixedly connected to the inner walls of the two grooves three (42); a pad (45) is fixedly connected to one end of the two dampers (43) which is away from the groove three (42); two pads (45) are symmetrically distributed on the left and right sides of the support frame (51); a spring three (44) is wound around the outer walls of a plurality of the dampers (43); one end of the spring three (44) is fixedly connected to the inner wall of the groove three (42); and the other end of the spring three (44) is fixedly connected to the pad (45).

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