Enzymolysis treatment equipment suitable for biological enzyme participation

Abstract

The utility model discloses enzymolysis treatment equipment suitable for biological enzyme participation, which belongs to the technical field of enzymolysis treatment, and adopts the technical scheme that the enzymolysis treatment equipment comprises a treatment tank, a treatment mechanism is bolted at the top in the treatment tank, a material mixing cavity is formed by the treatment mechanism and the bottom in the treatment tank, a material mixing assembly is arranged in the material mixing cavity, and the material mixing assembly is connected with the treatment tank through a bolt. The material mixing assembly and the processing mechanism are matched for use; the treatment mechanism comprises a treatment chamber, the problems that an existing enzymolysis treatment device for biological enzyme uniformly crushes enzymolysis raw materials and cannot fully mix the enzymolysis raw materials with materials are solved, the enzymolysis raw materials are crushed only through crushing blades and crushing rollers, the crushing function is relatively simple, and the crushing efficiency is high. The problems that the size of the crushed enzymolysis raw materials is not uniform due to the fact that the crushed enzymolysis raw materials are mixed with the materials subsequently, the mixing is insufficient, the enzymolysis effect is poor, and the enzymolysis treatment effect is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of enzymatic treatment, in particular to an enzymatic treatment device suitable for the participation of biological enzymes. Background Art

[0002] Biological enzymes are organic substances with catalytic effects produced by living cells. Most of them are proteins, and a very small part is RNA. Biological enzymes have been widely used due to their unique biological functions and high efficiency of enzyme catalysis.

[0003] At present, a Chinese utility model patent with announcement number CN210065791U discloses an enzymatic treatment device suitable for the participation of biological enzymes, including an equipment bracket, a crushing treatment device installed on the equipment bracket, the output end of the crushing treatment device is connected to the enzymatic treatment device, and the output end of the enzymatic treatment device is connected to the purification device. Thus, the crushing treatment device, the enzymatic treatment device, and the purification device cooperate with each other to directly obtain the final product without the need for external connection of other auxiliary equipment, simplifying the enzymatic hydrolysis steps, and being suitable for the participation of biological enzymes, which can meet the repeated crushing of the material to be enzymatically hydrolyzed, and is conducive to the subsequent repeated reaction with the biological enzyme. An independent enzymatic hydrolysis stirring component is used to further improve the enzymatic hydrolysis reaction rate. It has multiple feeding containers, which can meet the needs of different biological enzyme additions and different reaction requirements. There is no need to stop the machine for addition, which shortens the reaction time. The overall structure is simple, and the space occupancy can be reduced through the reasonable layout of the equipment bracket.

[0004] Although the above patent can shorten the reaction time and reduce the space occupied, the above patent has the problem that it is difficult to achieve uniform crushing of the enzymatic hydrolysis raw materials and the enzymatic hydrolysis raw materials cannot be fully mixed with the materials. That is, the above patent only crushes the enzymatic hydrolysis raw materials by crushing blades and crushing sticks, and the crushing function is relatively simple, resulting in uneven size of the crushed enzymatic hydrolysis raw materials. Therefore, when it is subsequently mixed with the materials, it causes insufficient mixing, which leads to poor enzymatic hydrolysis effect. Utility Model Content

[0005] The utility model provides an enzymatic hydrolysis treatment device suitable for the participation of biological enzymes, aiming to solve the problems of uniform crushing of enzymatic hydrolysis raw materials and insufficient mixing of the enzymatic hydrolysis raw materials with materials in the existing enzymatic hydrolysis treatment devices for biological enzymes. The enzymatic hydrolysis raw materials are crushed only by crushing blades and crushing sticks, and the crushing function is relatively simple, resulting in uneven sizes of crushed enzymatic hydrolysis raw materials. Therefore, when they are subsequently mixed with materials, insufficient mixing is caused, which in turn leads to poor enzymatic hydrolysis effect, thereby affecting the enzymatic hydrolysis treatment effect.

[0006] The utility model is implemented as follows: an enzymatic treatment device suitable for biological enzyme participation comprises a treatment tank, a treatment mechanism is bolted to the top of the treatment tank, the treatment mechanism and the bottom of the treatment tank form a mixing chamber, and a mixing component is arranged inside the mixing chamber, and the mixing component and the treatment mechanism are used in coordination;

[0007] The processing mechanism includes a processing chamber, which is bolted to the top of the processing tank, and the top of the processing chamber is bolted with a Y-shaped shell, and the inside of the Y-shaped shell is rotatably connected with a crushing piece, and the bottom of the crushing piece extends to the bottom of the Y-shaped shell and is sleeved with a grinding piece, and the bottom of the inner wall of the processing chamber is bolted with an annular filter plate, and the annular filter plate is used in conjunction with the grinding piece.

[0008] In order to achieve the effect of crushing the enzymatic raw materials, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, the crushing part includes a main shaft, which is rotatably connected to the inside of the Y-shaped shell, and a plurality of shaft sleeves are sleeved on the surface of the main shaft, and the surface of the shaft sleeve is annularly bolted with a knife seat, and the inside of the knife seat is bolted with a crushing knife.

[0009] In order to achieve the effect of grinding the crushed enzymatic raw materials, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, the grinding part includes a cone sleeve, which is sleeved on the bottom of the main shaft surface, and the surface of the cone sleeve is annularly bolted with a bracket, a guide column passes through the inside of the bracket, a fixed frame is provided at the bottom of the guide column, and a grinding roller is rotatably connected to the inside of the fixed frame, the grinding roller is in rotational contact with the annular filter plate, and a pressure spring is sleeved on the surface of the guide column, and the side of the pressure spring close to the fixed frame and the bracket is respectively bolted to the fixed frame and the bracket.

[0010] In order to achieve a sufficient crushing effect, as a preferred enzymatic treatment device suitable for the participation of biological enzymes in the utility model, the sleeves are evenly distributed on the surface of the main shaft, and a plurality of crushing knives are stacked and arranged on the surface of the sleeves.

[0011] In order to enhance the shearing effect of the crushing knife on the enzymatic raw materials, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, the top threaded connection inside the knife seat is provided with a fixing screw, and the bottom of the fixing screw extends to the inside of the crushing knife and is threadedly connected thereto, and the side of the crushing knife away from the knife seat is arranged in a serrated shape.

[0012] In order to achieve the effect of realizing the movable connection between the guide column and the fixed frame, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, the bottom of the guide column is bolted with a ball joint, and the guide column is movably connected to the fixed frame through the ball joint, and the side of the bracket close to the cone sleeve is arranged in an open shape.

[0013] In order to improve the grinding effect of the grinding roller, as a preferred enzymatic treatment device suitable for the participation of biological enzymes in the utility model, the surface of the grinding roller is provided with textures, which are evenly distributed on the surface of the grinding roller.

[0014] In order to achieve the effect of one-time grinding, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, a plurality of fixed blocks are sleeved on the middle part of the main shaft surface, and the surface of the fixed block is provided with a protrusion in a ring shape, and a channel is formed between the protrusion and the inner wall of the Y-shaped shell.

[0015] In order to achieve the effect of limiting the grinding position of the enzymatic hydrolysis raw material, as a preferred enzymatic hydrolysis treatment equipment suitable for the participation of biological enzymes in the utility model, the middle part of the bottom of the inner wall of the treatment chamber is arranged as a boss, and an annular groove is formed between the boss and the inner wall of the treatment chamber, and the annular filter plate is located inside the annular groove.

[0016] In order to achieve the effect of mixing the enzymatic raw materials, as a preferred enzymatic treatment equipment suitable for the participation of biological enzymes in the utility model, the mixing component includes a connecting shaft, the top of the connecting shaft is bolted to the main shaft, and the surface of the connecting shaft is provided with a spiral part, the surface of the connecting shaft is bolted with a support rod, and the side of the support rod close to the spiral part is bolted to the spiral part.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The enzymatic hydrolysis treatment equipment suitable for biological enzyme participation, by setting a processing mechanism, can drive the crushing parts through an external driving device to crush the enzymatic hydrolysis raw materials in the Y-shaped shell, and at the same time, the crushing structure of the crushing parts is arranged in multiple groups, which can improve the crushing effect and efficiency, and the crushed enzymatic hydrolysis raw materials can fall to the bottom of the treatment chamber, and the crushed enzymatic hydrolysis raw materials crushed by the grinding parts are ground through the transmission of the crushing parts, so that the enzymatic hydrolysis raw materials can be crushed evenly and fully, and the crushing effect is increased, and then it is convenient for the subsequent mixing component to perform mixing operations on the enzymatic hydrolysis raw materials, so that the enzymatic hydrolysis raw materials are fully mixed, and the effect suitable for biological enzyme enzymatic hydrolysis treatment is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structural diagram of the enzymatic treatment equipment suitable for the participation of biological enzymes of the utility model;

[0020] Figure 2 It is a connection diagram of the processing mechanism, the processing tank and the mixing component in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the crushing part in the utility model;

[0022] Figure 4It is a partial structural schematic diagram of the crushing element in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the grinding element in the utility model;

[0024] Figure 6 It is a schematic diagram of the connection between the fixed block and the main shaft in the utility model;

[0025] Figure 7 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0026] Figure 8 It is a schematic diagram of the structure of the mixing component in the utility model.

[0027] In the figure, 1, processing tank; 2, processing mechanism; 21, processing chamber; 22, Y-shaped shell; 23, crushing part; 231, main shaft; 232, bushing; 233, knife seat; 234, crushing knife; 24, grinding part; 241, cone sleeve; 242, bracket; 243, guide column; 244, fixing frame; 245, grinding roller; 246, pressure spring; 25, annular filter plate; 3, mixing assembly; 31, connecting shaft; 32, spiral member; 33, support rod; 4, fixing screw; 5, fixing block; 6, protrusion. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0030] See also Figure 1-8 The utility model provides a technical solution: an enzymatic treatment device suitable for the participation of biological enzymes, comprising a treatment tank 1, a treatment mechanism 2 is bolted to the top of the treatment tank 1, the treatment mechanism 2 and the bottom of the treatment tank 1 form a mixing chamber, and a mixing component 3 is arranged inside the mixing chamber, and the mixing component 3 and the treatment mechanism 2 are used in conjunction with each other;

[0031] The processing mechanism 2 includes a processing chamber 21, which is bolted to the top of the processing tank 1, and a Y-shaped shell 22 is bolted to the top of the processing chamber 21, and a crushing piece 23 is rotatably connected to the inside of the Y-shaped shell 22, and the bottom of the crushing piece 23 extends to the bottom of the Y-shaped shell 22 and is sleeved with a grinding piece 24, and an annular filter plate 25 is bolted to the bottom of the inner wall of the processing chamber 21, and the annular filter plate 25 is used in conjunction with the grinding piece 24.

[0032] In the present embodiment: by setting up the processing mechanism 2, the crushing member 23 can be driven by an external driving device to crush the enzymatic hydrolysis raw materials in the Y-shaped shell 22, and at the same time, the crushing structure of the crushing member 23 is arranged in multiple groups, which can improve the crushing effect and efficiency, and the crushed enzymatic hydrolysis raw materials can fall to the bottom of the processing chamber 21, and the crushed enzymatic hydrolysis raw materials are ground by the grinding member 24 after being driven by the crushing member 23, so that the enzymatic hydrolysis raw materials can be crushed evenly and fully, thereby increasing the crushing effect, and then facilitating the subsequent mixing component 3 to perform mixing operation on the enzymatic hydrolysis raw materials, so that the enzymatic hydrolysis raw materials are fully mixed, achieving the effect suitable for biological enzyme enzymatic hydrolysis treatment.

[0033] As a technical optimization solution of the utility model, the crushing part 23 includes a main shaft 231, which is rotatably connected to the inside of the Y-shaped shell 22, and a plurality of sleeves 232 are sleeved on the surface of the main shaft 231. The surface of the sleeve 232 is annularly bolted with a knife seat 233, and the inside of the knife seat 233 is bolted with a crushing knife 234.

[0034] In this embodiment: by setting the crushing piece 23, the main shaft 231 of the driving device can be rotated, and at the same time, the knife seat 233 and the crushing knife 234 can be driven to rotate through the shaft sleeve 232, so as to achieve the effect of crushing the enzymatic hydrolysis raw materials in the Y-shaped shell 22, and the crushing knives 234 arranged in multiple groups can improve the crushing effect and efficiency.

[0035] As a technical optimization solution of the utility model, the grinding part 24 includes a conical sleeve 241, which is sleeved on the bottom of the surface of the main shaft 231, and the surface of the conical sleeve 241 is annularly bolted with a bracket 242, a guide column 243 passes through the inside of the bracket 242, a fixed frame 244 is provided at the bottom of the guide column 243, and the inside of the fixed frame 244 is rotatably connected with a grinding roller 245, the grinding roller 245 is in rotational contact with the annular filter plate 25, and a pressure spring 246 is sleeved on the surface of the guide column 243, and the pressure spring 246 is bolted to the fixed frame 244 and the bracket 242 on one side respectively.

[0036] In this embodiment: by setting the grinding member 24, under the drive of the main shaft 231, the cone sleeve 241 drives several brackets 242 to rotate, so that the grinding roller 245 rolls on the annular filter plate 25, and the rolling and friction between the grinding roller 245 and the annular filter plate 25 are utilized to achieve the effect of grinding the enzymatic hydrolysis raw material, and the downward pressure is applied to the fixed frame 244 by the pressure spring 246, so that the grinding roller 245 can always be in contact with the annular filter plate 25, thereby improving the grinding effect.

[0037] As a technical optimization solution of the present invention, the sleeves 232 are evenly distributed on the surface of the main shaft 231 , and a plurality of crushing knives 234 are stacked and arranged on the surface of the sleeves 232 .

[0038] In this embodiment, a plurality of crushing knives 234 are stacked and arranged on the surface of the shaft sleeve 232 to improve the crushing effect and efficiency.

[0039] As a technical optimization solution of the utility model, the top of the knife seat 233 is threadedly connected with a fixing screw 4, and the bottom of the fixing screw 4 extends to the inside of the crushing knife 234 and is threadedly connected thereto. The crushing knife 234 is arranged in a serrated shape on the side away from the knife seat 233.

[0040] In this embodiment: by setting a fixing screw 4, the connection between the knife seat 233 and the crushing knife 234 can be achieved, thereby facilitating the disassembly and assembly of the crushing knife 234, and by setting the side of the crushing knife 234 away from the knife seat 233 to be serrated, the shear effect of the crushing knife 234 on the enzymatic hydrolysis raw material can be improved, thereby enhancing the crushing effect.

[0041] As a technical optimization solution of the utility model, the bottom of the guide column 243 is bolted with a ball joint, and the guide column 243 is movably connected to the fixing frame 244 through the ball joint, and the side of the bracket 242 close to the cone sleeve 241 is set in an open shape.

[0042] In this embodiment: by setting a ball joint, a movable connection between the guide column 243 and the movable frame can be achieved, thereby facilitating the grinding roller 245 to rotate on the uneven enzymatic hydrolysis raw material and facilitating the grinding work. By setting an opening on one side of the bracket 242 close to the cone sleeve 241, the falling enzymatic hydrolysis raw material can be prevented from accumulating on the bracket 242.

[0043] As a technical optimization solution of the present invention, the surface of the grinding roller 245 is provided with textures, and the textures are evenly distributed on the surface of the grinding roller 245 .

[0044] In this embodiment, the grinding roller 245 has lines on its surface, and the lines are evenly distributed on the surface of the grinding roller 245 , so that the grinding effect of the grinding roller 245 on the enzymatic hydrolysis raw material can be improved.

[0045] As a technical optimization solution of the utility model, a plurality of fixing blocks 5 are sleeved in the middle of the surface of the main shaft 231 , and a protrusion 6 is provided on the surface of the fixing block 5 in a ring shape, and a channel is formed between the protrusion 6 and the inner wall of the Y-shaped shell 22 .

[0046] In this embodiment: by setting the fixed block 5 and the protrusion 6, when the crushed enzymatic raw material passes through the Y-shaped shell 22, the rotating fixed block 5 and the protrusion 6 can collide and rub with the enzymatic raw material, thereby achieving the effect of further crushing the enzymatic raw material.

[0047] As a technical optimization solution of the utility model, the middle part of the bottom of the inner wall of the processing chamber 21 is provided with a boss, and an annular groove is formed between the boss and the inner wall of the processing chamber 21, and the annular filter plate 25 is located inside the annular groove.

[0048] In this embodiment, an annular groove is formed between the boss and the inner wall of the processing chamber 21, and the inclined surface of the boss can be used to gather the falling enzymatic hydrolysis raw materials on the annular filter plate 25, thereby achieving the effect of centralized grinding treatment.

[0049] As a technical optimization solution of the utility model, the mixing component 3 includes a connecting shaft 31, the top of the connecting shaft 31 is bolted to the main shaft 231, and a spiral member 32 is provided on the surface of the connecting shaft 31, a support rod 33 is bolted to the surface of the connecting shaft 31, and the support rod 33 is bolted to the spiral member 32 on one side close to the spiral member 32.

[0050] In this embodiment: by setting up a mixing component 3, through the connection between the connecting shaft 31 and the main shaft 231, the main shaft 231 can synchronously drive the connecting shaft 31 to rotate, and then drive the spiral member 32 through the support rod 33 to mix the enzymatic raw materials, so that the enzymatic raw materials are fully mixed to achieve an effect suitable for biological enzyme enzymatic hydrolysis treatment.

[0051] Working principle: First, the raw material to be crushed and enzymolyzed is put into the processing chamber 21, and the main shaft 231 of the driving device is rotated, and the knife seat 233 and the crushing knife 234 are driven to rotate through the shaft sleeve 232, and the crushing knife 234 arranged in a serrated shape is used to crush the raw material for enzymolysis, and the crushed small pieces of raw material for enzymolysis enter the bottom end of the Y-shaped shell 22. At the same time, driven by the main shaft 231, the fixed block 5 and the protrusion 6 can collide and rub with the raw material for enzymolysis, and the raw material for enzymolysis is further crushed. Then the raw material for enzymolysis falls on the annular filter plate 25 in the annular groove through the inclined surface of the boss, so that the raw material for enzymolysis is crushed by the main shaft 231. Driven by the cone sleeve 241, the plurality of brackets 242 are rotated, so that the grinding roller 245 rolls on the annular filter plate 25, and the enzymolysis raw materials are ground by the rolling and friction between the grinding roller 245 and the annular filter plate 25. The enzymolysis raw materials that meet the aperture of the annular filter plate 25 enter the mixing chamber, while those that do not meet the aperture are continuously ground until they can pass through the annular filter plate 25. The enzymolysis raw materials entering the mixing chamber are fully mixed by the spiral member 32 under the rotation of the connecting shaft 31 driven by the main shaft 231 until the mixing operation is completed, and finally the enzymolysis raw materials are discharged through the valve pipe at the bottom of the processing tank 1.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An enzymatic treatment device suitable for the participation of biological enzymes, comprising a treatment tank (1), characterized in that: The top of the processing tank (1) is bolted with a processing mechanism (2), the processing mechanism (2) and the bottom of the processing tank (1) form a mixing chamber, and a mixing component (3) is arranged inside the mixing chamber, and the mixing component (3) and the processing mechanism (2) are used in coordination; The processing mechanism (2) comprises a processing chamber (21), wherein the processing chamber (21) is bolted to the top of the processing tank (1), and a Y-shaped shell (22) is bolted to the top of the processing chamber (21), and a crushing member (23) is rotatably connected to the inside of the Y-shaped shell (22), and the bottom of the crushing member (23) extends to the bottom of the Y-shaped shell (22) and is sleeved with a grinding member (24), and an annular filter plate (25) is bolted to the bottom of the inner wall of the processing chamber (21), and the annular filter plate (25) is used in conjunction with the grinding member (24).

2. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 1, characterized in that: The crushing element (23) comprises a main shaft (231), the main shaft (231) is rotatably connected to the inside of the Y-shaped housing (22), and a plurality of shaft sleeves (232) are sleeved on the surface of the main shaft (231), a knife seat (233) is bolted to the surface of the shaft sleeve (232) in an annular shape, and a crushing knife (234) is bolted to the inside of the knife seat (233).

3. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 2, characterized in that: The grinding member (24) comprises a cone sleeve (241), the cone sleeve (241) is sleeved on the bottom of the main shaft (231), and the surface of the cone sleeve (241) is annularly bolted with a bracket (242), a guide column (243) is passed through the inside of the bracket (242), a fixing frame (244) is arranged at the bottom of the guide column (243), and a grinding roller (245) is rotatably connected to the inside of the fixing frame (244), and the grinding roller (245) is in rotational contact with the annular filter plate (25), and a pressure spring (246) is sleeved on the surface of the guide column (243), and the side of the pressure spring (246) close to the fixing frame (244) and the bracket (242) is bolted to the fixing frame (244) and the bracket (242) respectively.

4. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 2, characterized in that: The shaft sleeves (232) are evenly distributed on the surface of the main shaft (231), and a plurality of crushing knives (234) are arranged in a stacked manner on the surface of the shaft sleeve (232).

5. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 2, characterized in that: The top of the knife seat (233) is threadedly connected to a fixing screw (4), and the bottom of the fixing screw (4) extends to the inside of the crushing knife (234) and is threadedly connected thereto. The crushing knife (234) is arranged in a serrated shape on a side away from the knife seat (233).

6. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 3, characterized in that: A ball joint is bolted to the bottom of the guide column (243), and the guide column (243) is movably connected to the fixing frame (244) via the ball joint. The side of the bracket (242) close to the cone sleeve (241) is arranged in an open shape.

7. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 3, characterized in that: The surface of the grinding roller (245) is provided with textures, which are evenly distributed on the surface of the grinding roller (245).

8. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 2, characterized in that: A plurality of fixing blocks (5) are sleeved in the middle of the surface of the main shaft (231), and a protrusion (6) is provided in an annular shape on the surface of the fixing block (5), and a channel is formed between the protrusion (6) and the inner wall of the Y-shaped housing (22).

9. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 1, characterized in that: The middle part of the bottom of the inner wall of the processing chamber (21) is provided with a boss, and an annular groove is formed between the boss and the inner wall of the processing chamber (21), and the annular filter plate (25) is located inside the annular groove.

10. The enzymatic treatment equipment suitable for the participation of biological enzymes according to claim 2, characterized in that: The mixing assembly (3) comprises a connecting shaft (31), the top of the connecting shaft (31) is bolted to the main shaft (231), and a spiral member (32) is arranged on the surface of the connecting shaft (31), a support rod (33) is bolted to the surface of the connecting shaft (31), and the side of the support rod (33) close to the spiral member (32) is bolted to the spiral member (32).

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