A motor shaft production equipment for wind turbine

Abstract

The present invention provides a motor shaft production device for a wind turbine generator, which relates to the technical field of motor shaft crushing, including a transmission mechanism and a motor shaft, wherein at least two pulley assemblies are rotatably installed inside the transmission mechanism, first electric mechanisms are arranged on the inner walls on the left and right sides of the transmission mechanism, a first sliding frame is arranged on the outer shell of the first electric mechanism on the right side of the transmission mechanism, a pushing frame is arranged on the side wall of the first sliding frame, a lower bracket is fixedly installed on the end of the transmission mechanism, a first lower pressure plate and a second lower pressure plate inside the upper bracket move downward, the second lower pressure plate presses the front end of the motor shaft, the first lower pressure plate presses the middle section of the motor shaft, and then the crusher drives the crushing cutter head to repeatedly knock the motor shaft downward, the motor shaft is gradually crushed, the motor shaft is crushed and falls into the crushing bin, and the motor shaft is fixed in multiple sections by using the second lower pressure plate and the first lower pressure plate, so that when the motor shaft is crushed by the crushing cutter head, it is more stable, safer and faster.

Description

Technical Field

[0001] The invention belongs to the technical field of motor shaft crushing, and more specifically, particularly relates to a motor shaft production device for a wind turbine generator. Background Art

[0002] In the field of motor shaft crushing, traditional crushing devices have many problems.

[0003] Previous crushing methods usually use a single fixing method when fixing the motor shaft, which leads to insufficient stability of the motor shaft during the crushing process. It is prone to shaking, rotating or even falling off, affecting the safety and efficiency of crushing. Traditional devices have poor adaptability to motor shafts of different specifications (such as length, diameter, etc.), and cannot effectively carry and fix motor shafts of various sizes, limiting the scope of application of crushing work.

[0004] At the same time, during the crushing process, the lack of multi-segment and multiple fixing measures for the motor shaft makes it easy for the motor shaft to shift in position when subjected to crushing impact, affecting the crushing effect and possibly causing uneven and incomplete crushing. Traditional equipment lacks flexible adjustment and adaptation mechanisms for the height differences and length changes of different segments of the motor shaft, resulting in some motor shafts being unable to be crushed smoothly.

[0005] In summary, the traditional motor shaft crushing device has shortcomings in terms of the stability of the fixing method, adaptability to motor shafts of different specifications, position control during the crushing process, and equipment adjustment flexibility, and needs to be improved to improve the effect and work efficiency of motor shaft crushing. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a motor shaft production device for a wind turbine generator to solve the above problems.

[0007] A motor shaft production equipment for a wind turbine generator comprises a transmission mechanism and a motor shaft, at least two pulley assemblies are rotatably installed inside the transmission mechanism, first electric mechanisms are arranged on the inner walls on the left and right sides of the transmission mechanism, a first sliding frame is arranged on the outer shell of the first electric mechanism on the right side of the transmission mechanism, a pushing frame is installed on the side wall of the first sliding frame, a lower bracket is fixedly installed on the end of the transmission mechanism, a crushing bin is fixedly installed on the back side of the lower bracket, a crusher is fixedly installed on the top of the crushing bin, a crushing cutter head is fixedly installed below the output shaft of the crusher, a control panel is arranged inside the crushing bin, two slide rail frames are fixedly installed on the surface of the control panel, a support platform is arranged between the two slide rail frames, two hydraulic cylinders are fixedly installed between the bottom of the support platform and the bottom of the slide rail frame, and the motor shaft is located above multiple pulley assemblies.

[0008] Preferably, the left and right side walls of the transmission mechanism are provided with side slide rails, each of the first electric mechanisms is located inside the side slide rails, a second sliding frame is sleeved on the surface of the first electric mechanism located on the left side of the transmission mechanism, a clamping head is slidably installed on the end of the pushing frame away from the first sliding frame, a side slot is provided on the side wall of the second sliding frame, the clamping head at the end of the pushing frame can be inserted into the side slot, an upper bracket is fixedly installed above the transmission mechanism located above the lower bracket, the left and right inner walls of the upper bracket are provided with second electric mechanisms, and a first lower pressure plate is provided inside the upper bracket.

[0009] Preferably, both sides of the first lower pressure plate are connected to two second electric mechanisms, a rubber clamp is fixedly installed at the bottom of the first lower pressure plate, a shovel clamp is fixedly installed on the side wall of the first lower pressure plate, at least two back plate frames are fixedly installed on the back of the first lower pressure plate, each of the back plate frames has a back slide groove on the side wall, a hook frame is slidably installed on the back of each back plate frame, a spring is fixedly installed between the side wall of each hook frame and the top of the back slide groove, two support frames are fixedly installed on the surface of the control panel, a second lower pressure plate is arranged between the two support frames, and the second lower pressure plate is located above the support platform.

[0010] Preferably, side sliding rods are fixedly installed on the left and right sides of the support platform, and the two side sliding rods are located inside the slide rail frame. A third electric mechanism is fixedly installed inside the support platform, and the third electric mechanism is embedded in the support platform. Two sliding clamping rods are sleeved on the surface of the threaded rod of the third electric mechanism. A pressure switch is fixedly installed on the side wall of the control panel located on the back of the support platform. Sliding rods are fixedly installed on the left and right sides of the control panel, and the two sliding rods are located in the left and right inner walls of the crushing bin. A fourth electric mechanism is fixedly installed on the right inner wall of the crushing bin, and the threaded rod of the fourth electric mechanism passes through the sliding rod.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the present invention, the first sliding frame and the second sliding frame drive the motor shaft to move through the pushing frame, and the motor shaft moves gradually into the crushing bin, and the front end of the motor shaft is located above the support platform. When the end of the motor shaft contacts the pressure switch on the side wall of the control panel, the first lower pressure plate and the second lower pressure plate inside the upper bracket move downward, and the second lower pressure plate presses the front end of the motor shaft, and the first lower pressure plate presses the middle section of the motor shaft. Subsequently, the crusher drives the crushing cutter head to repeatedly knock the motor shaft downward, and the motor shaft is gradually crushed. The motor shaft is broken and falls into the crushing bin. The motor shaft is fixed in multiple sections by using the second lower pressure plate and the first lower pressure plate. When the motor shaft is crushed by the crushing cutter head, it is more stable, safer and faster.

[0013] In the present invention, the motor drive assembly inside the first sliding frame is started, the motor drive assembly drives the pushing frame to rotate, the pushing frame rotates and drives the clamping head to be inserted into the side slot provided in the second sliding frame, and then the motor shaft is driven to move by the pushing frame, the motor shaft slides on multiple pulley assemblies, and the transmission mechanism can carry motor shafts of different specifications, which is convenient for crushing more motor shafts of different specifications, and greatly improves the crushing bearing capacity.

[0014] In the present invention, the driving mechanism inside the support frame drives the second lower pressure plate to move downward to press the front end of the motor shaft, and at the same time the pressure switch starts the second electric mechanism inside the upper bracket (the second electric mechanism, the first electric mechanism and the driving mechanism inside the support frame have the same structure), the second electric mechanism drives the first lower pressure plate to move downward, the first lower pressure plate moves downward to fix the middle section of the motor shaft, and the second lower pressure plate and the first lower pressure plate are used to fix the motor shaft in multiple sections, so as to ensure the stability of the motor shaft during crushing, and at the same time the second lower pressure plate and the first lower pressure plate can adaptively fix motor shafts of different diameters, and further can complete the crushing of motor shafts of different specifications.

[0015] In the present invention, multiple hook-shaped frames move upward under the reaction force, and the back side of the hook-shaped frames slides in the back slide groove opened in the back plate frame. At the same time, the spring is compressed. The multiple hook-shaped frames can perform multi-stage secondary fixation on the motor shaft. At the same time, the multiple rubber clips under the first lower pressure plate can have a better fixing effect. The shovel clamp under the first lower pressure plate can play a single-point pressure fixation. The multiple fixing methods can stably crush the motor shaft, effectively prevent the motor shaft from rotating during crushing, and improve the impact effect of the motor shaft during single-point crushing.

[0016] In the present invention, the operation of the third electric mechanism drives the two sliding clamping rods to approach each other, and the two sliding clamping rods approach each other to clamp the two sides of the motor shaft. The support platform can be adjusted up and down in height, so that different sections of the motor shaft can be fixed, effectively avoiding the failure to complete crushing due to the different heights of different sections of the motor shaft. At the same time, the sliding clamping rods are used to fix the two sides of the motor shaft, thereby preventing the motor shaft from being deflected during crushing.

[0017] In the present invention, after the slide rail frame drives the motor shaft to move into the crushing bin, the fourth electric mechanism on the inner walls on both sides of the crushing bin is started (the fourth electric mechanism is composed of a motor and a threaded rod, and the threaded rod can drive the sliding rod to move), and the fourth electric mechanism is started to drive the control panel to move, and the control panel moves to a suitable distance and stops. By designing the control panel to be movable, the motor shafts of different lengths can be crushed. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a schematic diagram of the lower bracket structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the push frame of the present invention;

[0021] Figure 4 is a schematic diagram of the structure of a second sliding frame of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the crushing bin of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the control panel of the present invention;

[0024] Figure 7 It is a schematic diagram of the structure of the second lower pressing plate of the present invention;

[0025] Figure 8 It is a schematic diagram of the support platform structure of the present invention;

[0026] Fig. 9 It is a schematic diagram of the upper bracket structure of the present invention;

[0027] Fig.10 It is a schematic structural diagram of the first lower pressing plate of the present invention.

[0028] In the figure, the corresponding relationship between the component names and the figure numbers is: 1. transmission mechanism; 11. pulley assembly; 12. side slide rail; 13. first electric mechanism; 14. first sliding frame; 15. pushing frame; 16. clamp; 17. second sliding frame; 18. side slot; 19. upper bracket; 2. second electric mechanism; 21. first lower pressure plate; 22. rubber clamp; 23. shovel clamp; 24. back plate frame; 25. back slide groove; 26. hook frame; 27. spring; 28. crushing chamber; 29. ​​crusher; 3. crushing cutter head; 31. lower bracket; 32. support frame; 33. second lower pressure plate; 34. pressure switch; 35. slide rail frame; 36. hydraulic cylinder; 37. support table; 38. side slide rod; 39. third electric mechanism; 4. sliding clamp rod; 42. sliding rod; 43. fourth electric mechanism; 44. motor shaft; 45. control board. DETAILED DESCRIPTION

[0029] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] See also Figure 1-Figure 10The present invention provides a motor shaft production device for a wind turbine generator, comprising a transmission mechanism 1 and a motor shaft 44, wherein at least two pulley assemblies 11 are rotatably installed inside the transmission mechanism 1, first electric mechanisms 13 are arranged on the inner walls on both sides of the transmission mechanism 1, a first sliding frame 14 is arranged on the outer cover of the first electric mechanism 13 on the right side of the transmission mechanism 1, a pushing frame 15 is arranged on the side wall of the first sliding frame 14, a lower bracket 31 is fixedly installed at the end of the transmission mechanism 1, a crushing bin 28 is fixedly installed on the back of the lower bracket 31, a crusher 29 is fixedly installed on the top of the crushing bin 28, the motor shaft 44 moves gradually into the crushing bin 28, and the front end of the motor shaft 44 is located above the support platform 37, when the end of the motor shaft 44 contacts the control panel 45, the first lower pressing plate 21 and the second lower pressing plate 33 inside the upper bracket 19 move downward, the second lower pressing plate 33 presses the front end of the motor shaft 44, and the first lower pressing plate 21 presses the middle section of the motor shaft 44, and then the crusher 29 drives the crushing cutter head 3 to repeatedly knock the motor shaft 44 downward, and the motor shaft 44 is gradually crushed, and the crushing cutter head 3 is fixedly installed below the output shaft of the crusher 29, and a control panel 45 is arranged inside the crushing bin 28, and two slide rail frames 35 are fixedly installed on the surface of the control panel 45, a support platform 37 is arranged between the two slide rail frames 35, and two hydraulic cylinders 36 are fixedly installed between the bottom of the support platform 37 and the bottom of the slide rail frame 35, and the motor shaft 44 is located above the multiple pulley assemblies 11.

[0031] Side rails 12 are provided on the left and right side walls of the transmission mechanism 1, and each first electric mechanism 13 is located inside the side rails 12. A second sliding frame 17 is sleeved on the surface of the first electric mechanism 13 located on the left side of the transmission mechanism 1. A clamping head 16 is slidably installed on the end of the pushing frame 15 away from the first sliding frame 14. A side slot 18 is provided on the side wall of the second sliding frame 17. The clamping head 16 at the end of the pushing frame 15 can be inserted into the side slot 18. The pushing frame 15 rotates to drive the clamping head 16 to be inserted into the side slot 18 opened by the second sliding frame 17, and then the motor shaft 44 is driven to move by the pushing frame 15. The motor shaft 44 slides on multiple pulley assemblies 11. The transmission mechanism 1 can carry motor shafts 44 of different specifications, which is convenient for more motor shafts 44 of different specifications to be crushed, greatly improving the crushing bearing capacity. An upper bracket 19 is fixedly installed above the transmission mechanism 1 located above the lower bracket 31, and the left and right inner walls of the upper bracket 19 are provided with second electric mechanisms 2, and the upper bracket 19 is provided with a first lower pressing plate 21 inside.

[0032] The two sides of the first lower pressing plate 21 are connected to the two second electric mechanisms 2. A rubber clamp 22 is fixedly installed at the bottom of the first lower pressing plate 21. A shovel clamp 23 is fixedly installed on the side wall of the first lower pressing plate 21. At least two back plate frames 24 are fixedly installed on the back of the first lower pressing plate 21. The side wall of each back plate frame 24 is provided with a back slide groove 25. A hook frame 26 is slidably installed on the back of each back plate frame 24. The second electric mechanism 2 drives the first lower pressing plate 21 to move downward. The first lower pressing plate 21 moves downward to fix the middle section of the motor shaft 44. The second lower pressure plate 33 and the first lower pressure plate 21 are used to perform multi-section fixation on the motor shaft 44, thereby ensuring the stability of the motor shaft 44 during crushing. At the same time, the second lower pressure plate 33 and the first lower pressure plate 21 can adaptively fix motor shafts 44 of different diameters. A spring 27 is fixedly installed between the side wall of each hook-shaped frame 26 and the top of the back slide groove 25. Two support frames 32 are fixedly installed on the surface of the control board 45. A second lower pressure plate 33 is arranged between the two support frames 32, and the second lower pressure plate 33 is located above the support platform 37.

[0033] Side sliding rods 38 are fixedly installed on the left and right sides of the support platform 37, and the two side sliding rods 38 are both located inside the slide rail frame 35. A third electric mechanism 39 is fixedly installed inside the support platform 37, and the third electric mechanism 39 is embedded in the support platform 37. Two sliding clamping rods 4 are sleeved on the surface of the threaded rod of the third electric mechanism 39. A pressure switch 34 is fixedly installed on the side wall of the control panel 45 located on the back of the support platform 37. The operation of the third electric mechanism 39 drives the two sliding clamping rods 4 to approach each other. The two sliding clamping rods 4 approach each other to clamp the two sides of the motor shaft 44. The support platform 37 can be adjusted in height up and down, so that different sections of the motor shaft 44 can be fixed, effectively avoiding the different heights of different sections of the motor shaft 44. Sliding rods 42 are fixedly installed on the left and right sides of the control panel 45. The two sliding rods 42 are both located in the inner walls on the left and right sides of the crushing bin 28. A fourth electric mechanism 43 is fixedly installed on the right inner wall of the crushing bin 28, and the threaded rod of the fourth electric mechanism 43 runs through the sliding rod 42.

[0034] Working principle:

[0035] In the first step, in the process of producing the motor shaft 44, the quality of the motor shaft 44 is unqualified. At this time, the motor shaft 44 needs to be crushed and recycled, and the motor shaft 44 is placed inside the transmission mechanism 1. The first sliding frame 14 drives the pushing frame 15 to rotate and close with the second sliding frame 17. Then, the two first electric mechanisms 13 drive the first sliding frame 14 and the second sliding frame 17 to move horizontally. The first sliding frame 14 and the second sliding frame 17 drive the motor shaft 44 to move through the pushing frame 15. The motor shaft 44 moves gradually into the crushing bin 28, and the front end of the motor shaft 44 is located above the support table 37. When the motor shaft 4 When the end of the motor shaft 4 contacts the pressure switch 34 on the side wall of the control panel 45, the first lower pressing plate 21 and the second lower pressing plate 33 inside the upper bracket 19 move downward, the second lower pressing plate 33 presses the front end of the motor shaft 44, and the first lower pressing plate 21 presses the middle section of the motor shaft 44. Then the crusher 29 drives the crushing cutter head 3 to repeatedly knock the motor shaft 44 downward, and the motor shaft 44 is gradually crushed. The motor shaft 44 is broken and falls into the crushing bin 28. The motor shaft 44 is fixed in multiple sections by the second lower pressing plate 33 and the first lower pressing plate 21. When the motor shaft 44 is crushed by the crushing cutter head 3, it is more stable, safer and faster.

[0036] In the second step, a motor drive assembly (consisting of a motor and a motor shaft) is provided at the connection between the first sliding frame 14 and the pushing frame 15. After the motor shaft 44 is placed in the transmission mechanism 1, the motor drive assembly inside the first sliding frame 14 is started, and the motor drive assembly drives the pushing frame 15 to rotate. The rotation of the pushing frame 15 drives the clamping head 16 to be inserted into the side slot 18 provided in the second sliding frame 17, and then the motor shaft 44 is driven to move by the pushing frame 15. The motor shaft 44 slides on multiple pulley assemblies 11. The transmission mechanism 1 can carry motor shafts 44 of different specifications, which is convenient for more motor shafts 44 of different specifications to be crushed, and the crushing bearing capacity is greatly improved;

[0037] When the end of the motor shaft 44 contacts the pressure switch 34 on the side wall of the control panel 45, the pressure switch 34 starts the driving mechanism inside the support frame 32 (composed of a motor and a threaded rod, the motor drives the threaded rod to rotate, and the threaded rod drives the second lower pressing plate 33 to move upward or downward), the driving mechanism inside the support frame 32 drives the second lower pressing plate 33 to move downward to press the front end of the motor shaft 44, and at the same time, the pressure switch 34 starts the second electric mechanism 2 inside the upper bracket 19 (the second electric mechanism 2, the first electric mechanism 13 and the driving mechanism inside the support frame 32 have the same structure), the second electric mechanism 2 drives the first lower pressing plate 21 to move downward, the first lower pressing plate 21 moves downward to fix the middle section of the motor shaft 44, the second lower pressing plate 33 and the first lower pressing plate 21 are used to fix the motor shaft 44 in multiple sections, so as to ensure the stability of the motor shaft 44 during crushing, and at the same time, the second lower pressing plate 33 and the first lower pressing plate 21 can adaptively fix motor shafts 44 of different diameters, and further crush motor shafts 44 of different specifications;

[0038] When the first lower pressure plate 21 moves downward, the downward movement of the first lower pressure plate 21 drives the multiple hook-shaped frames 26 to move downward. The multiple hook-shaped frames 26 move downward and contact the top of the motor shaft 44. The multiple hook-shaped frames 26 move upward under the reaction force, and the back of the hook-shaped frames 26 slides in the back slide groove 25 opened in the back plate frame 24. At the same time, the spring 27 is compressed, and the multiple hook-shaped frames 26 can perform multi-stage secondary fixation on the motor shaft 44. At the same time, the multiple rubber clips 22 under the first lower pressure plate 21 can have a better fixing effect. The shovel clip 23 under the first lower pressure plate 21 can play a single-point pressure fixation. The multiple fixing methods can stably crush the motor shaft 44, effectively prevent the motor shaft 44 from rotating during crushing, and improve the impact effect of the motor shaft 44 during single-point crushing.

[0039] In the third step, after the end of the motor shaft 44 moves to the top of the support platform 37, the two hydraulic cylinders 36 are started to drive the support platform 37 to move upward, and the support platform 37 moves upward to resist the lower end of the motor shaft 44, and then the third electric mechanism 39 inside the support platform 37 is started to drive the two motor shafts 44 to move (the third electric mechanism 39 is composed of a motor and a threaded rod, and the threaded rod is bounded by a center point, and the threads at both ends are opposite). The operation of the third electric mechanism 39 drives the two sliding clamping rods 4 to approach each other, and the two sliding clamping rods 4 approach each other to clamp the two sides of the motor shaft 44. The support platform 37 can be adjusted in height up and down, so that different sections of the motor shaft 44 can be fixed, effectively avoiding the failure to complete crushing due to the different heights of different sections of the motor shaft 44. At the same time, the sliding clamping rods 4 are used to fix the two sides of the motor shaft 44, so as to prevent the motor shaft 44 from being deflected during crushing;

[0040] After the slide rail frame 35 drives the motor shaft 44 to move into the crushing bin 28, the fourth electric mechanism 43 on the inner walls of both sides of the crushing bin 28 is started (the fourth electric mechanism 43 is composed of a motor and a threaded rod, and the threaded rod can drive the sliding rod 42 to move), and the fourth electric mechanism 43 starts to drive the control panel 45 to move, and the control panel 45 moves to a suitable distance and stops. By designing the control panel 45 to be movable, the motor shafts 44 of different lengths can be crushed.

[0041] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A motor shaft production device for a wind turbine generator, comprising a transmission mechanism (1) and a motor shaft (44), characterized in that: At least two pulley assemblies (11) are rotatably mounted inside the transmission mechanism (1), first electric mechanisms (13) are arranged on the inner walls on both sides of the left and right sides of the transmission mechanism (1), a first sliding frame (14) is arranged on the outer cover of the first electric mechanism (13) on the right side of the transmission mechanism (1), and a pushing frame (15) is installed on the side wall of the first sliding frame (14); A lower bracket (31) is fixedly mounted at the end of the transmission mechanism (1), a crushing bin (28) is fixedly mounted on the back of the lower bracket (31), a crusher (29) is fixedly mounted on the top of the crushing bin (28), and a crushing cutter head (3) is fixedly mounted below the output shaft of the crusher (29); A control panel (45) is provided inside the crushing bin (28), two slide rail frames (35) are fixedly mounted on the surface of the control panel (45), a support platform (37) is provided between the two slide rail frames (35), two hydraulic cylinders (36) are fixedly mounted below the support platform (37) and between the bottom of the slide rail frames (35), and the motor shaft (44) is located above the plurality of pulley assemblies (11); The left and right side walls of the transmission mechanism (1) are both provided with side slide rails (12), each of the first electric mechanisms (13) is located inside the side slide rails (12), and a second sliding frame (17) is sleeved on the surface of the first electric mechanism (13) located on the left side of the transmission mechanism (1); An upper bracket (19) is fixedly installed above the transmission mechanism (1) located above the lower bracket (31), and a second electric mechanism (2) is arranged on the inner walls on both sides of the upper bracket (19). A first lower pressing plate (21) is arranged inside the upper bracket (19), and the two sides of the first lower pressing plate (21) are connected to the two second electric mechanisms (2). A rubber clamp (22) is fixedly installed below the first lower pressing plate (21), and a shovel clamp (23) is fixedly installed on the side wall of the first lower pressing plate (21). At least two back plate frames (24) are fixedly installed on the back of the first lower pressing plate (21), and each of the side walls of the back plate frames (24) is provided with a back slide groove (25). A hook frame (26) is slidably installed on the back of each of the back plate frames (24), and a spring (27) is fixedly installed between the side wall of each of the hook frames (26) and the top of the back slide groove (25); Two support frames (32) are fixedly mounted on the surface of the control panel (45), a second lower pressing plate (33) is arranged between the two support frames (32), and the second lower pressing plate (33) is located above the support platform (37).

2. A wind turbine motor shaft production equipment as claimed in claim 1, characterized in that: A clamping head (16) is slidably mounted on the end of the pushing frame (15) away from the first sliding frame (14); a side slot (18) is provided on the side wall of the second sliding frame (17); the clamping head (16) at the end of the pushing frame (15) can be inserted into the side slot (18); side sliding rods (38) are fixedly mounted on the left and right sides of the support platform (37); the two side sliding rods (38) are both located inside the slide rail frame (35); a third electric mechanism (39) is fixedly mounted inside the support platform (37); and the third electric mechanism (39) is embedded in the support platform (37). The support platform (37) includes a third electric mechanism (39) and a threaded rod thereof. The surface of the threaded rod is sleeved with two sliding clamping rods (4). A pressure switch (34) is fixedly installed on the side wall of the control panel (45) located on the back of the support platform (37). Sliding rods (42) are fixedly installed on the left and right sides of the control panel (45). The two sliding rods (42) are located in the inner walls on the left and right sides of the crushing chamber (28). A fourth electric mechanism (43) is fixedly installed on the right inner wall of the crushing chamber (28), and the threaded rod of the fourth electric mechanism (43) passes through the sliding rod (42).

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