Cabin module for ship

Abstract

The invention discloses a cabin module for a ship, and relates to the field of ship cabins, the cabin module comprises a cabin top, and four side wall plates distributed in a rectangular shape are arranged at the bottom of the cabin top; the floor is arranged at the bottom of the side wall plate and used for supporting the side wall plate; the four connecting structures are installed on the top of the floor in a rectangular distribution mode and used for connecting the cabin roof, the floor and the side wall plates, and each connecting structure is composed of a supporting vertical frame, a supporting rod piece, a first fixing blade arranged outside the supporting rod piece in a sleeving mode and a second fixing blade arranged outside the supporting rod piece in a sleeving mode. The first fixed blade and the second fixed blade can rotate around the supporting rod piece. The driving air bag is inflated and deflated, the first fixed blade and the second fixed blade can be locked or unlocked, the unlocked first fixed blade and the unlocked second fixed blade can rotate around the supporting rod piece, the position of the first fixed blade and the position of the second fixed blade can be changed, and therefore the side wall plate needing to be detached can be taken down independently, and other components of a cabin module do not need to be detached; and the time can be saved while the workload of workers is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field related to ship cabins, and in particular to a ship cabin module. Background Art

[0002] The various components of the ship's cabin are produced separately, and after being transported to the dock, they are spliced ​​and combined through a certain connection method to form a cabin module.

[0003] For example, the invention patent with the authorization announcement number CN101426680B provides a cabin module for ships used to form unit cabins such as kitchens on the hull. The cabin module for ships of the present invention will be moved from the outside of the hull to the inside of the hull, and a unit cabin consisting of a specified space will be formed inside the hull. The unit cabin is composed of the following components: a floor surface composed of steel plates, and a wall surface and a ceiling surface composed of multiple fireproof panels assembled on the floor surface. The floor surface is made to contact the deck of the hull, and the deck and floor surface of the hull are fixed and set inside the hull.

[0004] However, the above technical solution still has the following shortcomings: when replacing a wall, not only the wall to be removed needs to be removed, but also the remaining walls (especially the walls adjacent to the wall to be removed) and even the ceiling surface may need to be removed before the wall to be removed can be removed, which increases the workload of the workers and is very time-consuming. Summary of the invention

[0005] In order to solve the defects of the prior art, the present invention provides a cabin module for a ship.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The present invention provides a cabin module for a ship, comprising a cabin roof, the bottom of which is provided with four side wall panels distributed in a rectangular shape;

[0008] A floor provided at the bottom of the side wall panels, used for supporting the side wall panels;

[0009] Four connecting structures installed on the top of the floor in a rectangular distribution manner are used to connect the cabin roof, the floor and the side wall panels. The connecting structure consists of a supporting frame, a supporting rod, a fixed blade 1 sleeved outside the supporting rod, and a fixed blade 2 sleeved outside the supporting rod. Both the fixed blade 1 and the fixed blade 2 can rotate around the supporting rod;

[0010] The support rod includes two end cylinders, a plurality of connecting middle cylinders and a plurality of connecting cylinders for connecting the end cylinders and the connecting middle cylinders. The connecting cylinder is provided with a plug-in assembly that can lock fixed blade one and fixed blade two, so that fixed blade one and fixed blade two can no longer rotate around the support rod.

[0011] As a preferred technical solution of the present invention, the plug-in assembly includes a connecting square tube, two mounting plates which are sleeved and fixed on the outside of the connecting square tube and arranged back to back, a driving airbag arranged between the two mounting plates, and an inflation and deflation pipeline. One end of the driving airbag is connected to the connecting square tube, and the other end is provided with a movable plate so that the inflated driving airbag can drive the movable plate to move. A plug-in column is installed at the center of one side of the movable plate. Sliding through holes are provided at both ends of the movable plate, and guide rods that slide with the sliding through holes are symmetrically provided at both ends of the connecting square tube. An elastic member for connecting the movable plate and the connecting square tube is provided outside the guide rod. A ventilation interface that can extend into the driving airbag is provided through the connecting square tube for connecting with the inflation and deflation pipeline.

[0012] As a preferred technical solution of the present invention, the supporting frame is composed of a base, an upper sealing plate and a matching rod arranged between the base and the upper sealing plate. One end of the matching rod is provided with an arc surface, and both sides of the matching rod are provided with stepped surfaces. Positioning holes for plugging into the terminal cylinder are provided on one side of the base and the upper sealing plate, and a valve nozzle that can be connected to the charging and discharging air pipeline is also provided through the base.

[0013] As a preferred technical solution of the present invention, both ends of the side wall plate are provided with L-shaped matching sections matching the stepped surface.

[0014] As a preferred technical solution of the present invention, positioning blocks for positioning the base are provided at the four top corners of the top of the floor, and the positioning blocks are connected to the base by bolts.

[0015] As a preferred technical solution of the present invention, the fixed blade includes a mounting plate that can be connected to the side wall plate by bolts, and both ends of the mounting plate are provided with a rod sleeve that can be sleeved outside the supporting rod, the rod sleeve is rotatably matched with the arc surface, and the inner wall of the rod sleeve is provided with a plug-in hole for plugging with the plug-in column.

[0016] As a preferred technical solution of the present invention, the fixed blade 2 includes a mounting plate 2 that can be connected to the side wall plate by bolts, and a rod sleeve 2 that can be sleeved on the outside of the supporting rod is provided in the middle part of the mounting plate 2. A plug-in hole for plugging with the plug-in column is also provided on the inner wall of the rod sleeve 2. The rod sleeve 2 is located between the two rod sleeves 1 and also cooperates with the arc surface rotation.

[0017] As a preferred technical solution of the present invention, the terminal cylinder is a hollow cylindrical structure with one end closed and the other end open. A threaded blind hole is provided at the closed end of the terminal cylinder, and a through hole for the inflation and deflation pipeline to pass through is also provided on the lower terminal cylinder.

[0018] As a preferred technical solution of the present invention, the connecting cylinder is connected to the open end of the terminal cylinder and the connecting middle cylinder by bolts, and a through hole is provided on the connecting cylinder for the insertion column to pass through.

[0019] As a preferred technical solution of the present invention, the outer wall of the mounting plate is fitted with the inner wall of the connecting tube, and a mounting flange is symmetrically provided on one side of the mounting plate. The mounting flange is fixedly connected to the connecting tube by bolts, and the mounting plate is also provided with a movable through groove that slides with the movable plate.

[0020] The beneficial effects of the present invention are:

[0021] 1. This type of ship cabin module can lock or unlock the fixed blade one and the fixed blade two by inflating and deflating the driving airbag. The unlocked fixed blade one and the fixed blade two can rotate around the supporting rod and change their positions, so that the side wall panel that needs to be removed can be removed alone without removing other components of the cabin module, which can reduce the workload of workers and save time.

[0022] 2. This type of ship cabin module can position the side wall plate through the positioning grooves formed between the fixed blades 1 and 2 and the stepped surfaces of the matching rods and matching the L-shaped matching sections, thereby improving the assembly efficiency of the cabin module.

[0023] 3. This type of ship cabin module supports the supporting rods through supporting frames. Both the supporting frames and the supporting rods adopt a spliced ​​structure. When a part of them needs to be replaced, only the part that needs to be replaced needs to be replaced, and there is no need to replace the entire part, which can save resources.

[0024] 4. In this type of ship cabin module, the valve nozzle is connected to the driving airbag through the inflation and deflation pipeline, and the plug-in components that can lock the fixed blade 1 and the fixed blade 2 are distinguished. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a structural schematic diagram of a cabin module for a ship according to the present invention;

[0027] Figure 2 It is an exploded view of a cabin module for a ship of the present invention;

[0028] Figure 3 It is a schematic diagram of a connection structure of a ship cabin module (omitting the upper sealing plate) and a side wall plate connection structure of the present invention;

[0029] Figure 4The present invention is a ship cabin module Figure 3 Enlarged view of point A in the middle;

[0030] Figure 5 This is a schematic diagram of a connection structure of a cabin module for a ship according to the present invention;

[0031] Figure 6 It is a structural schematic diagram of a support rod and a support frame of a cabin module for a ship according to the present invention;

[0032] Figure 7 This is an exploded view of a connection structure of a cabin module for a ship according to the present invention;

[0033] Figure 8 It is a three-dimensional cutaway view of a fixed blade of a ship cabin module of the present invention;

[0034] Fig. 9 It is a schematic diagram of the support rod structure of a ship cabin module of the present invention;

[0035] Fig.10 This is a schematic diagram of the internal structure of a connecting tube of a ship cabin module of the present invention;

[0036] Fig.11 The present invention is a schematic diagram of the structure of a plug-in assembly of a ship cabin module.

[0037] In the figure: 1. Cabin roof; 2. Side wall plate; 21. L-shaped matching section; 3. Floor; 31. Positioning block; 4. Fixed blade one; 5. Support stand; 51. Base; 52. Upper sealing plate; 53. Matching rod; 54. Positioning hole; 6. Fixed blade two; 7. Valve; 8. Support rod; 81. End cylinder; 82. Connecting middle cylinder; 83. Connecting cylinder; 84. Plug-in assembly; 841. Mounting plate; 842. Movable plate; 843. Plug-in column; 844. Guide rod; 845. Mounting flange; 846. Connecting square tube; 847. Ventilation interface; 848. Driving airbag; 849. Inflating and discharging pipeline; 9. Plug-in hole. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0039] Example: Figure 1-7 , Fig. 9 and Fig.10 As shown, a cabin module for a ship of the present invention comprises a cabin roof 1, and four side wall panels 2 distributed in a rectangular shape are arranged at the bottom thereof; the cabin roof 1 is connected to an upper sealing plate 52 by bolts to complete the fixing of the cabin roof 1;

[0040] A floor 3 provided at the bottom of the side wall plate 2, for supporting the side wall plate 2;

[0041] Four connecting structures are installed on the top of the floor 3 in a rectangular distribution manner, which are used to connect the cabin roof 1, the floor 3 and the side wall plate 2. The connecting structure is composed of a supporting frame 5, a supporting rod 8, a fixed blade 1 4 sleeved outside the supporting rod 8, and a fixed blade 2 6 sleeved outside the supporting rod 8. The fixed blade 1 4 and the fixed blade 2 6 can rotate around the supporting rod 8.

[0042] The support rod 8 includes two end cylinders 81, a plurality of connecting middle cylinders 82 and a plurality of connecting cylinders 83 for connecting the end cylinders 81 and the connecting middle cylinders 82. The connecting cylinder 83 is provided with a plug-in assembly 84 that can lock the fixed blade 1 4 and the fixed blade 2 6 so that the fixed blade 1 4 and the fixed blade 2 6 can no longer rotate around the support rod 8.

[0043] Among them, Fig.10 and Fig.11 As shown, the plug-in assembly 84 includes a connecting square tube 846, two mounting plates 841 that are sleeved and fixed to the outside of the connecting square tube 846 and arranged in a back-to-back manner, a driving airbag 848 arranged between the two mounting plates 841, and an air charging and discharging pipeline 849. One end of the driving airbag 848 is connected to the connecting square tube 846, and the other end is equipped with a movable plate 842, so that the inflated driving airbag 848 can drive the movable plate 842 to move. A plug-in column 843 is installed at the center of one side of the movable plate 842. Sliding through holes are opened at both ends of the movable plate 842, and both ends of the connecting square tube 846 are symmetrically provided with sliding holes. The guide rod 844 is slidably fitted in the through hole. In addition to playing a guiding role, the guide rod 844 can also be used to support the elastic member. The guide rod 844 is provided with an elastic member for connecting the movable plate 842 and the connecting square tube 846. The connecting square tube 846 is penetrated by a ventilation interface 847 that can extend into the driving airbag 848, which is used to connect with the charging and discharging pipeline 849. The gas enters the driving airbag 848 through the charging and discharging pipeline 849 and the ventilation interface 847; the elastic member can be an elastic structure such as a spring and a spring sheet. In this embodiment, a spring is selected for use, and the two ends of the spring are fixedly connected to the movable plate 842 and the connecting square tube 846 respectively.

[0044] Specifically, the outer wall of the mounting plate 841 fits with the inner wall of the connecting tube 83, and a mounting flange 845 is symmetrically provided on one side of the mounting plate 841. The setting of the mounting flange 845 facilitates the connection between the mounting plate 841 and the connecting tube 83. The mounting flange 845 is fixedly connected to the connecting tube 83 by bolts. The mounting plate 841 is also provided with a movable through groove that slides with the movable plate 842, and the movable through groove provides space for the movable plate 842 to move.

[0045] The inflated driving airbag 848 drives the movable plate 842 to move, and the movable plate 842 moves the plug-in column 843 out of the connecting tube 83, and the plug-in column 843 is inserted into the plug-in hole 9 to fix the fixed blade 1 4 and the fixed blade 2 6, so that the fixed blade 1 4 and the fixed blade 2 6 can no longer rotate around the supporting rod 8. After the gas in the driving airbag 848 is released by the valve mouth 7, the movable plate 842 is driven by the elastic force of the elastic member, so that the plug-in column 843 is disengaged from the plug-in hole 9, and the lock on the fixed blade 1 4 and the fixed blade 2 6 is released, so that the fixed blade 1 4 and the fixed blade 2 6 can rotate around the supporting rod 8. Therefore, after removing the bolts connecting the side wall panel 2 and the fixed blade 1 4 and the fixed blade 2 6, the fixed blade 1 4 and the fixed blade 2 6 can be rotated to remove the side wall panel 2 that needs to be removed alone, without removing other components of the cabin module, while reducing the workload of workers, it can also save time.

[0046] Among them, Figure 5 , Figure 6 and Figure 7 As shown, the support stand 5 is composed of a base 51, an upper cover plate 52 and a matching rod 53 arranged between the base 51 and the upper cover plate 52. One end of the matching rod 53 is provided with an arc surface, and the setting of the arc surface is conducive to the rotation of the rod sleeve one and the rod sleeve two. Step surfaces are provided on both sides of the matching rod 53, and one side of the base 51 and the upper cover plate 52 is provided with a positioning hole 54 that is plugged into the end cylinder 81 for positioning the support rod 8. The base 51 is also penetrated by a valve 7 that can be connected to the inflation and deflation pipeline 849. The valve 7 can be connected to an inflation device such as an air pump. It is preferred to use an inflation device that can detect air pressure. For example, an air pump with a pressure gauge can indicate the air pressure in the driving airbag 848 to avoid explosion due to over-inflation.

[0047] Specifically, the valve 7 is set on the base 51, and an indicator mark, such as the numbers "1" and "2", can be engraved on the base 51 (next to the valve 7), and the numbers "1" and "2" are also engraved on the fixed blade 1 4 and the fixed blade 2 6 respectively, which helps the operator to determine which area of ​​the driving airbag 848 to inflate or deflate.

[0048] Among them, Figure 4 As shown, both ends of the side wall plate 2 are provided with L-shaped matching sections 21 matching the stepped surface, and the side wall plate 2 is positioned by the matching of the L-shaped matching sections 21 and the stepped surface.

[0049] Among them, Figure 2As shown, positioning blocks 31 for positioning the base 51 are provided at the four top corners of the floor 3. The positioning blocks 31 are connected to the base 51 through bolts. With the cooperation between the positioning blocks 31 and the base 51, the positioning blocks 31 and the base 51 are connected with bolts, so that the connection structure can be fixed on the floor 3.

[0050] Among them, Figure 7 and Figure 8 As shown, the fixed blade 4 includes a mounting plate 1 that can be connected to the side wall plate 2 by bolts, and both ends of the mounting plate 1 are provided with a rod sleeve 1 that can be sleeved on the outside of the supporting rod 8. The rod sleeve 1 rotates with the arc surface, and a plug-in hole 9 is provided on the inner wall of the rod sleeve 1 for plugging with the plug-in column 843. The setting of the rod sleeve 1 enables the fixed blade 4 to rotate around the supporting rod 8.

[0051] Specifically, the fixed blade 2 6 includes a mounting plate 2 that can be connected to the side wall plate 2 by bolts. A rod sleeve 2 that can be sleeved on the outside of the support rod 8 is provided in the middle of the mounting plate 2. A plug-in hole 9 that is plugged into the plug-in column 843 is also provided on the inner wall of the rod sleeve 2. The rod sleeve 2 is located between the two rod sleeves 1 and also cooperates with the arc surface rotation. The setting of the rod sleeve 2 enables the fixed blade 2 6 to rotate around the support rod 8.

[0052] Specifically, the rod 53 is used in conjunction with the mounting plate 1 and the mounting plate 2 to clamp the side wall plate 2, and bolts are used to connect the side wall plate 2 with the mounting plate 1 and the mounting plate 2, so that the side wall plate 2 can be more stable.

[0053] Among them, Figure 3 and Fig. 9 As shown, the terminal cylinder 81 is a hollow cylindrical structure with one end closed and the other end open. A threaded blind hole is provided at the closed end of the terminal cylinder 81. The setting of the threaded blind hole facilitates the connection between the terminal cylinder 81 and the base 51 and the upper sealing plate 52. A through hole for accommodating the charging and discharging pipeline 849 to pass through is also provided on the lower terminal cylinder 81, which facilitates the connection between the charging and discharging pipeline 849 and the valve mouth 7.

[0054] Among them, Fig. 9 As shown, the connecting cylinder 83 is connected to the open end of the terminal cylinder 81 and the connecting middle cylinder 82 by bolts. A through hole is provided on the connecting cylinder 83 for the plug-in column 843 to pass through. The through hole serves to accommodate the plug-in column 843. The plug-in column 843 retracted into the through hole will not hinder the rotation of the fixed blade 1 4 and the fixed blade 2 6.

[0055] During the initial assembly, the connection structure is first fixed on the floor 3, and then the fixed blade 1 4 or the fixed blade 2 6 is rotated to make the fixed blade 1 4 or the fixed blade 2 6 against the matching rod 53, and the driving airbag 848 is inflated by using the inflation device, and the movable plate 842 is driven to make the plug-in column 843 insert into the plug-in hole 9, so as to complete the fixing of the fixed blade 1 4 or the fixed blade 2 6, so that a positioning groove matching the L-shaped matching section 21 is formed between the fixed blade 1 4 and the fixed blade 2 6 and the stepped surface of the matching rod 53, and the side wall panel 2 is positioned through the positioning groove, and then the side wall panel 2 is connected with the fixed blade 1 4 and the fixed blade 2 6 by bolts. After all the side wall panels 2 are installed, the cabin roof 1 is installed on the top to complete the assembly;

[0056] Alternatively, after fixing the connection structure, the side wall panel 2 may be pressed against the matching rod 53 by using the L-shaped matching section 21 and the stepped surface, and then the fixed blade 1 4 or the fixed blade 2 6 may be rotated. After the fixed blade 1 4 or the fixed blade 2 6 is pressed against the side wall panel 2, the driving airbag 848 may be inflated to lock the fixed blade 1 4 or the fixed blade 2 6, and finally bolts may be used to connect.

[0057] When a side wall panel 2 needs to be removed, the driving airbag 848 is deflated, and the elastic force of the elastic member is used to drive the movable plate 842, so that the plug-in column 843 is disengaged from the plug-in hole 9, and the lock on the fixed blade 1 4 or the fixed blade 2 6 is released. Then, the bolts used to connect the side wall panel 2 are unscrewed, and the side wall panel 2 can be removed separately.

[0058] Finally, it should be noted that the above description 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cabin module for a ship, characterized in that: include: A cabin roof (1) having four rectangularly distributed side wall panels (2) at its bottom; A floor (3) provided at the bottom of the side wall plate (2) and used for supporting the side wall plate (2); Four connecting structures are installed on the top of the floor (3) in a rectangular distribution manner, and are used to connect the cabin roof (1), the floor (3) and the side wall plate (2). The connecting structure is composed of a supporting frame (5), a supporting rod (8), a fixed blade 1 (4) sleeved outside the supporting rod (8), and a fixed blade 2 (6) sleeved outside the supporting rod (8). Both the fixed blade 1 (4) and the fixed blade 2 (6) can rotate around the supporting rod (8); The support rod (8) comprises two end cylinders (81), a plurality of connecting middle cylinders (82) and a plurality of connecting cylinders (83) for connecting the end cylinders (81) and the connecting middle cylinders (82). The connecting cylinders (83) are provided with plug-in assemblies (84) capable of locking the fixed blade one (4) and the fixed blade two (6), so that the fixed blade one (4) and the fixed blade two (6) can no longer rotate around the support rod (8).

2. A ship cabin module according to claim 1, characterized in that: The plug-in assembly (84) comprises a connecting square tube (846), two mounting plates (841) which are sleeved and fixed outside the connecting square tube (846) and arranged in a back-to-back manner, a driving airbag (848) arranged between the two mounting plates (841), and an air charging and discharging pipeline (849). One end of the driving airbag (848) is connected to the connecting square tube (846), and the other end is equipped with a movable plate (842), so that the inflated driving airbag (848) can drive the movable plate (842) to move. A plug-in column (843) is installed at the center of one side (842), sliding holes are opened at both ends of the movable plate (842), and guide rods (844) that slide with the sliding holes are symmetrically provided at both ends of the connecting square tube (846), and an elastic part for connecting the movable plate (842) and the connecting square tube (846) is provided outside the guide rod (844), and a ventilation interface (847) that can extend into the driving airbag (848) is penetrated on the connecting square tube (846) for connecting with the inflation and deflation pipeline (849).

3. A ship cabin module according to claim 2, characterized in that: The support stand (5) is composed of a base (51), an upper sealing plate (52) and a matching rod (53) arranged between the base (51) and the upper sealing plate (52), one end of the matching rod (53) is provided with an arc surface, both sides of the matching rod (53) are provided with stepped surfaces, and one side of the base (51) and the upper sealing plate (52) are provided with positioning holes (54) for plugging with the end cylinder (81), and the base (51) is also provided with a valve (7) that can be connected to the charging and discharging pipeline (849).

4. A ship cabin module according to claim 3, characterized in that: Both ends of the side wall plate (2) are provided with L-shaped matching sections (21) matching the stepped surface.

5. A ship cabin module according to claim 3, characterized in that: Positioning blocks (31) for positioning the base (51) are provided at the four top corners of the top of the floor (3), and the positioning blocks (31) are connected to the base (51) via bolts.

6. A cabin module for a ship according to claim 3, characterized in that: The fixed blade (4) comprises a mounting plate (4) which can be connected to the side wall plate (2) by bolts, and both ends of the mounting plate (4) are provided with a rod sleeve (4) which can be sleeved outside the supporting rod (8), the rod sleeve (4) is rotatably matched with the arc surface, and a plug-in hole (9) which is plugged into the plug-in column (843) is provided on the inner wall of the rod sleeve (4).

7. A ship cabin module according to claim 6, characterized in that: The second fixed blade (6) comprises a second mounting plate that can be connected to the side wall plate (2) by bolts, and a rod sleeve (2) that can be sleeved outside the supporting rod (8) is provided in the middle of the second mounting plate, and a plug-in hole (9) that is plugged into the plug-in column (843) is also provided on the inner wall of the second rod sleeve, and the second rod sleeve is located between the two first rod sleeves and is also rotatably matched with the arc surface.

8. A cabin module for a ship according to claim 2, characterized in that: The terminal cylinder (81) is a hollow cylindrical structure with one end closed and the other end open. A threaded blind hole is provided at the closed end of the terminal cylinder (81), and a through hole capable of allowing a charging and discharging pipeline (849) to pass through is also provided on the lower terminal cylinder (81).

9. A ship cabin module according to claim 8, characterized in that: The connecting tube (83) is connected to the open end of the terminal tube (81) and the connecting middle tube (82) by means of bolts, and a through hole is provided on the connecting tube (83) through which the plug-in column (843) can pass.

10. A ship cabin module according to claim 2, characterized in that: The outer wall of the mounting plate (841) is fitted with the inner wall of the connecting tube (83); a mounting flange (845) is symmetrically provided on one side of the mounting plate (841); the mounting flange (845) is fixedly connected to the connecting tube (83) by bolts; and a movable through groove is also provided on the mounting plate (841) for sliding cooperation with the movable plate (842).

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