Motor assembly tool

Abstract

The present invention discloses a motor assembly tool, including a shaft connection device, a current collecting and loading device is arranged at the rear end of the shaft connection device, an end cover is arranged at the rear end of the current collecting and loading device, and a base is arranged at the rear end of the end cover. The present invention discloses a motor assembly tool, including a shaft connection device, a current collecting and loading device and a portable screw plug device, the shaft connection device is connected to the internal core, and plays a connecting role, the screw groove is fixed by the external connection machine, the current collecting and loading device can be efficiently regulated and integrated, the internal connection spindle drives the overall components to operate, the assembly is fast, the structure is simple, and the operation is convenient, which not only improves the assembly speed, but also greatly improves the quality of the product, the portable screw plug device makes it faster to assemble the motor, the outer end nut ring can play a role of anti-slip, easy to screw, and will not hurt the hand, the rear end is connected to the nut pad, so that the screw plug is tighter and more labor-saving, and it is easy to repair at the same time, which can reduce the maintenance cost and maintenance time.

Description

Technical Field

[0001] The invention relates to the field of motor assembly, in particular to a motor assembly tool. Background Art

[0002] In the historical process of human social development, energy has always been the material basis for human survival, and the progress of science and technology is closely linked to the acquisition, transformation and utilization of energy. Since the production and utilization of electric energy involves the conversion between mechanical energy and electrical energy, the motor, as a device for electromechanical energy conversion, occupies a key position, which makes the development of motor technology directly related to the effective transformation and utilization of energy, the development and conservation of energy. The main function of the generator is to convert mechanical energy into electrical energy to generate driving torque. As a power source for electrical appliances or various machines, it is also an AC motor. The ratio of its speed under load to the frequency of the connected power grid is not a constant relationship, but also changes with the size of the load. The greater the load torque, the lower the rotor speed. The motor includes induction motor, doubly fed asynchronous motor and AC commutator motor. Nowadays, the convenient assembly of motors greatly improves work efficiency and running time. Induction motors are the most widely used. In the case of not causing misunderstanding or confusion, induction motors can generally be called asynchronous motors.

[0003] When an existing motor assembly tool is installed and used, it cannot achieve the function of maximizing the motor assembly efficiency, resulting in time and labor consumption during assembly, too long assembly time, complex motor structure, unreasonable setting, the connecting shaft has no connectivity, there is no connecting groove to fix it, resulting in looseness, low degree of automation, resulting in the need for secondary assembly, the design of the screw plug is also very simple, the assembly efficiency is increased, the collection system device is single, it does not have the function of maximizing the effect, reduces economic benefits, and is not practical. Summary of the invention

[0004] Technical issues solved

[0005] In view of the deficiencies in the prior art, the present invention provides a motor assembly tool, which can effectively improve the convenience of assembly and screw plug tightening, greatly reduce the disadvantages caused by insufficient manpower, and has the advantages of convenient and safe operation, etc., which can effectively solve the problems in the background technology.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows, including a rotating shaft connecting device, a current collecting and loading and unloading device is arranged at the rear end of the rotating shaft connecting device, an end cover is arranged at the rear end of the current collecting and loading and unloading device, a base is arranged at the rear end of the end cover, an end piece is arranged at the upper end of the base, a lifting ring is arranged at the upper end of the end piece, a portable screw plug device and a control connection port are arranged on one side of the end piece, and the portable screw plug device is at the front end of the control connection port, an instruction sign is arranged on one side of the portable screw plug device, an outlet box is arranged at the lower end of the instruction sign, an outlet cover is arranged at the front end of the outlet box, a base plate is arranged at the lower end of the base, and a wind cover is arranged at the rear end of the base.

[0008] Preferably, the rotating shaft connecting device includes a screw groove, a connecting ring, a rotor core, a rotor winding and a bearing, a connecting ring is provided at the rear end of the screw groove, a rotor core is provided on the outer wall of the connecting ring, a rotor winding is provided at the rear end of the rotor core, and a bearing is provided at the rear end of the rotor winding.

[0009] Preferably, the current collecting and loading and unloading device comprises a collector ring, a resistor plate, a connecting shaft and a main shaft, the collector ring is provided with a resistor plate at the lower end, the resistor plate is provided with a connecting shaft at the lower end, and the main shaft is provided on the inner wall of the connecting shaft.

[0010] Preferably, the portable screw plug device includes a nut ring, a nut washer, a screw mouth, a threaded ring and a nut, the rear end of the nut ring is provided with a nut washer, the rear end of the nut washer is provided with a nut, the rear end of the nut washer is provided with a threaded ring, and the rear end of the threaded ring is provided with a screw mouth.

[0011] Preferably, a rotating shaft is provided between the screw groove and the connecting ring, and the outer surface of the rear end of the screw groove is rotatably connected to the outer surface of the front end of the connecting ring through the rotating shaft, a wire connection is provided between the rotor core and the rotor winding, and the outer surface of the rear end of the rotor core is detachably connected to the outer surface of the front end of the rotor winding through the wire connection, a transfer interface is provided between the rotor winding and the bearing, and the outer surface of the inner wall of the rotor winding is rotatably connected to the outer surface of the outer wall of the bearing through the transfer interface.

[0012] Preferably, welding is provided between the collector ring and the resistor plate, and the outer surface of the lower end of the collector ring is fixedly connected to the outer surface of the upper end of the resistor plate by welding, a fixed shaft is provided between the connecting shaft and the main shaft, and the outer surface of the inner wall of the connecting shaft is rotatably connected to the outer surface of the outer wall of the main shaft by the fixed shaft.

[0013] Preferably, a screw is provided between the nut ring and the nut washer, and the outer surface of the rear end of the nut ring is detachably connected to the outer surface of the rear end of the nut washer through the screw, a plastic screw head is provided between the threaded ring and the nut, and the outer surface of one side of the threaded ring is detachably connected to the outer surface of one side of the nut through the plastic screw head, a screw shaft is provided between the screw mouth and the threaded ring, and the outer surface of the front end of the screw mouth is detachably connected to the outer surface of the rear end of the threaded ring through the screw shaft.

[0014] Preferably, a fixing groove is provided between the rotating shaft connecting device and the current collecting and loading and unloading device, and the outer surface of the rear end of the rotating shaft connecting device is detachably connected to the outer surface of the front end of the current collecting and loading and unloading device through the fixing groove, and welding is provided between the end piece and the machine base, and the outer surface of the inner wall of the end piece is fixedly connected to the outer surface of the outer wall of the machine base through welding.

[0015] Preferably, screws are provided between the base and the wind cover, and the rear end outer surface of the base is detachably connected to the front end outer surface of the wind cover through the screws, and a rotating shaft is provided between the outlet box and the outlet cover, and the front end outer surface of the outlet box is rotatably connected to the rear end outer surface of the outlet cover through the rotating shaft.

[0016] Preferably, a screw groove is provided between the machine base and the base plate, and the outer surface of the lower end of the machine base is detachably connected to the outer surface of the upper end of the base plate through the screw groove, and a screw groove is provided between the lifting ring and the machine base, and the outer surface of the lower end of the lifting ring is detachably connected to the outer surface of the upper end of the machine base through the screw groove.

[0017] Beneficial Effects

[0018] Compared with the prior art, the present invention provides a motor assembly tool, which has the following beneficial effects:

[0019] This kind of motor assembly tool, when assembling the motor, the staff first puts the motor parts on the operating table and starts to assemble, starting with the internal core components. The shaft connecting device is connected to the internal core to play a connecting role. The screw groove is connected to the external connection machine. The whole device has a simple and reasonable structural design, a high degree of mechanization, and operation. The rear end connection connecting ring plays a fixing role to keep the connection assembly stable and safe. The rear end is connected to the rotor core and the rotor winding to make the assembly simple and quick. Finally, it is connected to the bearing for easy disassembly and cleaning of parts, which reduces the labor intensity of workers, is convenient and quick to use, and is very practical.

[0020] This kind of motor assembly tool can efficiently adjust and integrate the internal current collection and loading and unloading device during motor assembly and motor transfer and operation. The collector ring is connected to the resistor plate, and the wire can be wound inside for operation. The inner wall is connected to the connecting shaft to play a connecting role. The internal connecting main shaft drives the entire component to operate. The assembly is fast, the structure is simple, and the operation is convenient. It not only improves the assembly speed, but also greatly improves the product quality and reduces the cost. It is very suitable for assembly line production and improves work efficiency.

[0021] The motor assembly tool can be used to assemble the motor. When screws are needed, the existing portable screw plug device can conveniently make the motor assembly faster and faster. The nut ring at the outer end can prevent slipping and is easy to screw without hurting the hands. The nut pad connected to the rear end can prevent slipping, making the screw plug tighter and more labor-saving. The threaded ring connected to the rear end makes the screw rotate more efficiently. The internal link screw mouth is directly connected to the nut, which is easy and safe to operate. Even workers with less strength can complete the assembly, which can reduce the assembly labor intensity of the workers and facilitate maintenance, thereby reducing maintenance costs and maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The figure is a schematic diagram of the overall structure of a motor assembly tool of the present invention.

[0023] Figure 2 It is a structural schematic diagram of a right view of a motor assembly tool of the present invention.

[0024] Figure 3 The present invention is a schematic structural diagram of a front view of a motor assembly tool.

[0025] Figure 4 It is a structural schematic diagram of a left side view of a motor assembly tool of the present invention.

[0026] Figure 5 The present invention is a schematic structural diagram of a rotating shaft connecting device in a motor assembly tool.

[0027] Figure 6 The present invention is a schematic structural diagram of a telescopic rod device of a current collector loading and unloading device in a motor assembly tool.

[0028] Figure 7 The present invention is a schematic structural diagram of a portable screw plug device in a motor assembly tool.

[0029] In the figure: 1. shaft connecting device; 101. screw groove; 102. connecting ring; 103. rotor core; 104. rotor winding; 105. bearing; 2. end cover; 3. end plate; 4. lifting ring; 5. machine base; 6. control connection port; 7. wind cover; 8. collector loading and unloading device; 801. collector ring; 802. resistor plate; 803. connecting shaft; 804. main shaft; 9. portable screw plug device; 901. nut ring; 902. nut washer; 903. screw mouth; 904. threaded ring; 905. nut; 10. outlet box; 11. instruction plate; 12. outlet cover; 13. base plate. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1-7 As shown, a motor assembly tool comprises a shaft connecting device 1, a current collecting and disassembling device 8 is arranged at the rear end of the shaft connecting device 1, an end cover 2 is arranged at the rear end of the current collecting and disassembling device 8, a base 5 is arranged at the rear end of the end cover 2, an end piece 3 is arranged at the upper end of the base 5, a lifting ring 4 is arranged at the upper end of the end piece 3, a portable screw plug device 9 and a control connection port 6 are arranged on one side of the end piece 3, and the portable screw plug device 9 is at the front end of the control connection port 6, an instruction sign 11 is arranged on one side of the portable screw plug device 9, an outlet box 10 is arranged at the lower end of the instruction sign 11, an outlet cover 12 is arranged at the front end of the outlet box 10, a base plate 13 is arranged at the lower end of the base 5, and a wind cover 7 is arranged at the rear end of the base 5.

[0034] Furthermore, the shaft connecting device 1 includes a screw groove 101, a connecting ring 102, a rotor core 103, a rotor winding 104 and a bearing 105. The connecting ring 102 is provided at the rear end of the screw groove 101, the rotor core 103 is provided on the outer wall of the connecting ring 102, the rotor core 103 is provided at the rear end of the rotor core 103, and the bearing 105 is provided at the rear end of the rotor winding 104, which has the advantages of energy saving, environmental protection, safety and reliability.

[0035] Furthermore, the current collecting and loading and unloading device 8 includes a collector ring 801, a resistor plate 802, a connecting shaft 803 and a main shaft 804. The lower end of the collector ring 801 is provided with a resistor plate 802, the lower end of the resistor plate 802 is provided with a connecting shaft 803, and the inner wall of the connecting shaft 803 is provided with a main shaft 804, which greatly improves the quality of the product and reduces the cost.

[0036] Furthermore, the portable screw plug device 9 includes a nut ring 901, a nut washer 902, a screw mouth 903, a threaded ring 904 and a nut 905. The rear end of the nut ring 901 is provided with a nut washer 902, the rear end of the nut washer 902 is provided with a nut 905, the rear end of the nut washer 902 is provided with a threaded ring 904, and the rear end of the threaded ring 904 is provided with a screw mouth 903, which saves manpower and material resources, improves installation efficiency, and has strong practicality.

[0037] Furthermore, a rotating shaft is provided between the screw groove 101 and the connecting ring 102, and the outer surface of the rear end of the screw groove 101 is rotatably connected to the outer surface of the front end of the connecting ring 102 through the rotating shaft, a wire connection is provided between the rotor core 103 and the rotor winding 104, and the outer surface of the rear end of the rotor core 103 is detachably connected to the outer surface of the front end of the rotor winding 104 through the wire connection, a transfer interface is provided between the rotor winding 104 and the bearing 105, and the outer surface of the inner wall of the rotor winding 104 is rotatably connected to the outer surface of the outer wall of the bearing 105 through the transfer interface. In actual operation, this kind of motor assembly tooling, when assembling the motor, the worker The worker first puts the motor parts on the operating table and starts to assemble them. The assembly starts with the internal core components. The shaft connecting device 1 is connected to the internal core to play a connecting role. The screw groove 101 is connected to the external connection machine. The whole device structure is simple and reasonable in design, with a high degree of mechanization and operation. The rear end is connected to the connecting ring 102 to play a fixing role, keeping the connection and assembly stable and safe. The rear end is connected to the rotor core 103 and the rotor winding 104 to make the assembly simple and quick. Finally, it is connected to the bearing 105 to facilitate disassembly and cleaning of parts, which reduces the labor intensity of workers, is convenient and quick to operate, and is very practical.

[0038] Furthermore, welding is provided between the collector ring 801 and the resistor plate 802, and the outer surface of the lower end of the collector ring 801 is fixedly connected to the outer surface of the upper end of the resistor plate 802 by welding, a fixed shaft is provided between the connecting shaft 803 and the main shaft 804, and the outer surface of the inner wall of the connecting shaft 803 is rotatably connected to the outer surface of the outer wall of the main shaft 804 by the fixed shaft. In actual operation, when the motor is assembled and the motor is transferred and operated, the internal collector loading and unloading device 8 can be efficiently regulated and integrated, the collector ring 801 is connected to the resistor plate 802, and the inside can be wound with wires for operation, the inner wall is connected to the connecting shaft 803, which plays a connecting role, and the internal connection main shaft 804 drives the overall components to operate. The assembly is quick, the structure is simple, and the operation is convenient, which not only improves the assembly speed, but also greatly improves the quality of the product and reduces the cost. It is very suitable for assembly line production and improves work efficiency.

[0039] Furthermore, a screw is provided between the nut ring 901 and the nut washer 902, and the outer surface of the rear end of the nut ring 901 is detachably connected to the outer surface of the rear end of the nut washer 902 through the screw, a plastic screw head is provided between the threaded ring 904 and the nut 905, and the outer surface of one side of the threaded ring 904 is detachably connected to the outer surface of one side of the nut 905 through the plastic screw head, a screw shaft is provided between the screw mouth 903 and the threaded ring 904, and the outer surface of the front end of the screw mouth 903 is detachably connected to the outer surface of the rear end of the threaded ring 904 through the screw shaft. In actual operation, this kind of motor assembly tooling is used for motor assembly. When it comes to assembly, when screws are needed, the existing portable screw plug device 9 makes it easier to assemble the motor. The outer nut ring 901 can prevent slipping and is easy to screw without hurting the hands. The rear end is connected to the nut pad 902, which prevents slipping and makes the screw plug tighter and more labor-saving. The rear end is connected to the threaded ring 904, which makes the screw rotate more efficiently. The internal link screw mouth 903 is directly connected to the nut, which is easy and safe to operate. Even workers with less strength can complete the assembly, which can reduce the assembly labor intensity of the workers. At the same time, it is easy to maintain and can reduce maintenance costs and maintenance time.

[0040] Furthermore, a fixing groove is provided between the rotating shaft connecting device 1 and the current collecting and loading and unloading device 8, and the outer surface of the rear end of the rotating shaft connecting device 1 is detachably connected to the outer surface of the front end of the current collecting and loading and unloading device 8 through the fixing groove, and welding is provided between the end piece 3 and the machine base 5, and the outer surface of the inner wall of the end piece 3 is fixedly connected to the outer surface of the outer wall of the machine base 5 through welding, which is convenient for maintenance, can reduce maintenance costs and maintenance time, and is suitable for promotion and application.

[0041] Furthermore, screws are provided between the base 5 and the wind cover 7, and the rear end outer surface of the base 5 is detachably connected to the front end outer surface of the wind cover 7 through the screws, a rotating shaft is provided between the outlet box 10 and the outlet cover 12, and the front end outer surface of the outlet box 10 is rotatably connected to the rear end outer surface of the outlet cover 12 through the rotating shaft, which has high precision, ensures product quality, and reduces the labor intensity of workers.

[0042] Furthermore, a screw groove is provided between the base 5 and the base plate 13, and the outer surface of the lower end of the base 5 is detachably connected to the outer surface of the upper end of the base plate 13 through the screw groove. A screw groove is provided between the lifting ring 4 and the base 5, and the outer surface of the lower end of the lifting ring 4 is detachably connected to the outer surface of the upper end of the base 5 through the screw groove. The design is scientific and reasonable, with high hardness, which effectively improves the service life and reduces the assembly cost of the motor.

[0043] Working principle: When assembling the motor, the staff first puts the motor parts on the operating table and starts to assemble. The assembly starts with the internal core components. The shaft connecting device 1 is connected to the internal core to play a connecting role. The screw groove 101 is connected to the external connection machine. The collector loading and unloading device 8 can be efficiently regulated and integrated. The collector ring 801 is connected to the resistor plate 802. The wire can be wound inside to operate. The inner wall is connected to the connecting shaft 803 to play a connecting role. The internal connecting main shaft 804 drives the overall components to operate. The assembly is fast, the structure is simple, and the operation is convenient. It not only improves the assembly speed, but also greatly improves the product quality and reduces the cost. The portable screw plug device 9 makes it faster to assemble the motor. The outer end nut ring 901 can play a role of anti-slip and easy to twist without hurting the hands. The rear end is connected to the nut pad 902 to play an anti-slip role, making the screw plug tighter and more labor-intensive, which can reduce the assembly labor intensity of the staff and facilitate maintenance, thereby reducing maintenance costs and maintenance time.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor assembly tool, comprising a shaft connecting device (1), characterized in that: A current collecting and disassembling device (8) is provided at the rear end of the rotating shaft connecting device (1), an end cover (2) is provided at the rear end of the current collecting and disassembling device (8), a base (5) is provided at the rear end of the end cover (2), an end plate (3) is provided at the upper end of the base (5), a lifting ring (4) is provided at the upper end of the end plate (3), a portable screw plug device (9) and a control connection port (6) are provided on one side of the end plate (3), and the portable screw plug device (9) is at the front end of the control connection port (6), an instruction sign (11) is provided on one side of the portable screw plug device (9), an outlet box (10) is provided at the lower end of the instruction sign (11), an outlet cover (12) is provided at the front end of the outlet box (10), a base plate (13) is provided at the lower end of the base (5), and a wind cover (7) is provided at the rear end of the base (5); The rotating shaft connecting device (1) comprises a screw groove (101), a connecting ring (102), a rotor core (103), a rotor winding (104) and a bearing (105); the connecting ring (102) is arranged at the rear end of the screw groove (101); the rotor core (103) is arranged on the outer wall of the connecting ring (102); the rotor core (103) is arranged at the rear end of the rotor core (103); and the bearing (105) is arranged at the rear end of the rotor winding (104); The current collecting and loading and unloading device (8) comprises a collector ring (801), a resistor plate (802), a connecting shaft (803) and a main shaft (804); the collector ring (801) is provided with a resistor plate (802) at the lower end, the resistor plate (802) is provided with a connecting shaft (803) at the lower end, and the inner wall of the connecting shaft (803) is provided with a main shaft (804); The portable screw plug device (9) comprises a nut ring (901), a nut washer (902), a screw mouth (903), a threaded ring (904) and a nut (905); the rear end of the nut ring (901) is provided with a nut washer (902); the rear end of the nut washer (902) is provided with a nut (905); the rear end of the nut washer (902) is provided with a threaded ring (904); and the rear end of the threaded ring (904) is provided with a screw mouth (903).

2. The motor assembly tool according to claim 1, characterized in that: A rotating shaft is provided between the screw groove (101) and the connecting ring (102), and the outer surface of the rear end of the screw groove (101) is rotatably connected to the outer surface of the front end of the connecting ring (102) via the rotating shaft; an iron wire connection is provided between the rotor core (103) and the rotor winding (104), and the outer surface of the rear end of the rotor core (103) is detachably connected to the outer surface of the front end of the rotor winding (104) via the iron wire connection; a transfer interface is provided between the rotor winding (104) and the bearing (105), and the outer surface of the inner wall of the rotor winding (104) is rotatably connected to the outer surface of the outer wall of the bearing (105) via the transfer interface.

3. The motor assembly tool according to claim 1, characterized in that: A weld is provided between the collector ring (801) and the resistor plate (802), and the outer surface of the lower end of the collector ring (801) is fixedly connected to the outer surface of the upper end of the resistor plate (802) by welding. A fixed shaft is provided between the connecting shaft (803) and the main shaft (804), and the outer surface of the inner wall of the connecting shaft (803) is rotatably connected to the outer surface of the outer wall of the main shaft (804) by the fixed shaft.

4. The motor assembly tool according to claim 1, characterized in that: A screw is provided between the nut ring (901) and the nut washer (902), and the outer surface of the rear end of the nut ring (901) is detachably connected to the outer surface of the rear end of the nut washer (902) via the screw; a plastic screw head is provided between the threaded ring (904) and the nut (905), and the outer surface of one side of the threaded ring (904) is detachably connected to the outer surface of one side of the nut (905) via the plastic screw head; a screw shaft is provided between the screw opening (903) and the threaded ring (904), and the outer surface of the front end of the screw opening (903) is detachably connected to the outer surface of the rear end of the threaded ring (904) via the screw shaft.

5. The motor assembly tool according to claim 1, characterized in that: A fixing groove is provided between the rotating shaft connecting device (1) and the current collecting and loading and unloading device (8), and the outer surface of the rear end of the rotating shaft connecting device (1) is detachably connected to the outer surface of the front end of the current collecting and loading and unloading device (8) through the fixing groove. A welding is provided between the end piece (3) and the machine base (5), and the outer surface of the inner wall of the end piece (3) is fixedly connected to the outer surface of the outer wall of the machine base (5) through welding.

6. The motor assembly tool according to claim 1, characterized in that: Screws are provided between the machine base (5) and the wind cover (7), and the rear end outer surface of the machine base (5) is detachably connected to the front end outer surface of the wind cover (7) via the screws; a rotating shaft is provided between the outlet box (10) and the outlet cover (12), and the front end outer surface of the outlet box (10) is rotatably connected to the rear end outer surface of the outlet cover (12) via the rotating shaft.

7. The motor assembly tool according to claim 1, characterized in that: A screw groove is provided between the machine base (5) and the base plate (13), and the outer surface of the lower end of the machine base (5) is detachably connected to the outer surface of the upper end of the base plate (13) through the screw groove; a screw groove is provided between the lifting ring (4) and the machine base (5), and the outer surface of the lower end of the lifting ring (4) is detachably connected to the outer surface of the upper end of the machine base (5) through the screw groove.

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