Manual milling machine for coupler machining

Abstract

The manual milling machine comprises a lower table body, an upper table body is connected to the position, close to the left side, of the top of the lower table body through bolts, a lower moving plate is arranged above the upper table body, and a vertical pipe is connected to the position, close to the left side, of the top of the lower moving plate in a penetrating mode; the lower table body and the upper table body are respectively provided with a through hole and an installation groove, the bottom end of the vertical pipe penetrates through the through hole and extends into the installation groove to be connected with a gear, and a groove is formed in the inner wall of the left side of the installation groove. According to the clamping device, materials can be effectively clamped and fixed, the materials can be effectively prevented from falling off in the machining process, the stability and the machining efficiency of the materials can be effectively improved, through mutual cooperation of the lead screw, the nut, the lifting plate and other components, the positions of the materials can be effectively adjusted, and the machining efficiency is improved. And the machining precision and the working efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coupling processing lathes, in particular to a manual milling machine used for coupling processing. Background Art

[0002] A coupling is a device that connects two shafts or a shaft and a rotating part. The two shafts rotate together during the transmission of motion and power and do not disengage under normal circumstances. It is sometimes also used as a safety device to prevent the connected parts from being subjected to excessive loads and to provide overload protection. A manual milling machine is required in the processing of couplings. However, the manual milling machine used for coupling processing in the prior art is prone to causing material shedding during use and cannot perform effective position adjustment, which reduces its processing accuracy. Therefore, we propose a manual milling machine for coupling processing. Utility Model Content

[0003] The technical problem solved by the utility model is to overcome the defects of the prior art and provide a manual milling machine for coupling processing.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual milling machine for coupling processing, comprising a lower table, the top of the lower table is connected to the upper table by bolts near the left side, a lower moving plate is arranged above the upper table, the top of the lower moving plate is connected with a vertical pipe near the left side, and the lower table and the upper table are respectively provided with a through hole and a mounting groove, the bottom end of the vertical pipe passes through the through hole and extends to the mounting groove and is connected to a gear, a groove is arranged on the left inner wall of the mounting groove, a moving rod is slidably connected in the groove, a plurality of evenly distributed racks matching the gears are installed on the right side of the moving rod, an electric push rod 2 is connected to the rear inner wall of the groove by bolts, and the front end of the electric push rod 2 The cam is connected to the rear wall of the moving rod by bolts, and the bottom end of the moving rod passes through the gear sleeve and is provided with a cylinder, and the bottom end of the cylinder is movably connected to the bottom of the inner cavity of the mounting groove by a bearing, and a spring is connected between the bottom of the inner cavity of the cylinder and the bottom end of the moving rod, the left side of the upper platform is connected with a T-shaped screw through a threaded hole, and the right end of the T-shaped screw is connected with a toggle rod through the threaded hole, and the left side of the vertical tube is provided with an L-shaped groove matching the toggle rod, the bottom of the lower plate is connected with an upper pressure block by bolts near the right side, the top of the lower platform is fitted with a moving plate near the right side, the top of the moving plate is connected with a lower pressure block by bolts near the left side, the right side of the lower platform is connected to a frame by bolts, and a turning head is movably connected in the frame.

[0005] Preferably, a connecting groove is provided at the top of the lower platform near the right side, and an electric cylinder is connected to the bottom of the inner cavity of the connecting groove by bolts, the top of the push rod on the electric cylinder is connected to a lifting plate by bolts, the top of the lifting plate is connected to side plates by bolts near the left and right sides, and the bottom of the side plate is slidably connected to the bottom of the movable plate.

[0006] Preferably, a nut is provided between the two side plates, and a screw rod is sleeved inside the nut, the left and right ends of the screw rod pass through the nuts respectively and are movably connected to the two side plates through bearings, a servo motor is connected to the left side wall of the side plate on the left side by bolts, and the left end of the screw rod passes through the inner ring of the bearing and is fixedly connected to the output shaft of the servo motor, and a docking rod is connected between the top of the nut and the bottom of the movable plate.

[0007] Preferably, the bottom of the lower platform is connected to support blocks by bolts near the left and right sides, and the bottom of the lower platform is connected to a fan by bolts near the left side, the top air outlet of the fan is connected to the interior of the cylinder, and the front wall of the vertical pipe is provided with a plurality of evenly distributed air outlets near the gear.

[0008] Preferably, a transverse pipe is connected between the installation groove and the connection groove.

[0009] Preferably, a docking hole is provided on the right side of the through hole, and a connecting pipe is inserted on the right side of the docking hole, the right end of the connecting pipe is connected to the shell, the right side of the shell is connected to the air blowing pipe, and a plurality of evenly distributed air jet holes are provided on the right side of the shell.

[0010] Preferably, an electric push rod 1 is connected to the bottom of the inner cavity of the frame by bolts, and a sliding block is connected to the top of the electric push rod 1 by bolts, and a mounting tube is connected through the side wall of the sliding block, and the right side of the mounting tube is closed, the right side of the turning head extends into the mounting tube and is movably connected to a moving frame through a bearing, and a driving motor is connected to the moving frame by bolts, the right side of the turning head passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor, the right inner wall of the mounting tube is connected to an electric telescopic rod by bolts, and the left end of the electric telescopic rod is connected to the right outer wall of the moving frame by bolts.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model can realize effective clamping and fixing of materials through the mutual cooperation between the lower plate, the upper pressure block, the lower pressure block and the movable plate, which can effectively prevent the materials from falling off during the processing and effectively improve their stability and processing efficiency;

[0013] 2. The utility model can realize effective position adjustment through the mutual cooperation between the screw rod, nut and lifting plate, and can effectively improve the processing accuracy and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a main perspective view of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure;

[0016] Figure 3 for Figure 2 A partial stereogram of the middle cylinder and vertical pipe and other components;

[0017] Figure 4 for Figure 2 A magnified view of the middle part;

[0018] Figure 5 for Figure 2 Partial stereogram of the screw rod, nut and other components;

[0019] Figure 6 for Figure 2 The enlarged view of point B in the figure;

[0020] Figure 7 for Figure 2 A partial stereogram of the middle shell and the air blowing pipe and other components;

[0021] Figure 8 for Figure 2 The enlarged view of point C in the figure;

[0022] Fig. 9 for Figure 2 A partial stereoscopic view of the electric push rod, rack and other components.

[0023] Numbers in the figure: 1, lower platform; 2, support block; 3, T-shaped screw; 4, upper platform; 5, vertical pipe; 6, lower moving plate; 7, upper pressure block; 8, lower pressure block; 9, blowing pipe; 10, shell; 11, turning head; 12, sliding block; 13, mounting pipe; 14, electric push rod 1; 15, frame; 16, moving plate; 17, connecting groove; 18, through hole; 19, spring; 20, cylinder; 21, mounting groove; 22, gear ; 23. Electric cylinder; 24. Lifting plate; 25. Side plate; 26. Screw; 27. Nut; 28. Docking rod; 29. ​​Servo motor; 30. Electric telescopic rod; 31. Horizontal tube; 32. Docking hole; 33. Connecting pipe; 34. Air outlet; 35. Toggle rod; 36. L-shaped groove; 37. Drive motor; 38. Moving frame; 39. Groove; 40. Moving rod; 41. Rack; 42. Fan; 43. Electric push rod 2. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-8 The utility model provides a technical solution: a manual milling machine for coupling processing, comprising a lower table 1, the top of the lower table 1 is connected to the upper table 4 by bolts near the left side, a lower moving plate 6 is arranged above the upper table 4, the top of the lower moving plate 6 is connected to the left side through a vertical pipe 5, and the lower table 1 and the upper table 4 are respectively provided with a through hole 18 and a mounting groove 21, the bottom end of the vertical pipe 5 passes through the through hole 18 and extends to the mounting groove 21 and is connected to a gear 22, a groove 39 is provided on the left inner wall of the mounting groove 21, and a moving rod 40 is slidably connected in the groove 39 , a plurality of evenly distributed racks 41 matching the gear 22 are installed on the right side of the moving rod 40, an electric push rod 2 43 is connected to the inner wall of the rear side of the groove 39 by bolts, and the front end of the electric push rod 2 43 is connected to the rear wall of the moving rod 40 by bolts, the bottom end of the moving rod 40 passes through the gear 22 and is sleeved with a cylinder 20, and the bottom end of the cylinder 20 is movably connected to the bottom of the inner cavity of the mounting groove 21 through a bearing, a spring 19 is connected between the bottom of the inner cavity of the cylinder 20 and the bottom end of the moving rod 40, and a T-shaped screw 3 is connected to the left side of the upper platform 4 through a threaded hole, and The right end of the T-shaped screw rod 3 is connected to a toggle rod 35 through a threaded hole, and an L-shaped groove 36 matching the toggle rod 35 is opened on the left side of the vertical pipe 5. The bottom of the lower moving plate 6 is connected to an upper pressing block 7 by bolts near the right side, and the top of the lower platform 1 is attached to a moving plate 16 near the right side, and the top of the moving plate 16 is connected to a lower pressing block 8 by bolts near the left side. The right side of the lower platform 1 is connected to a frame 15 by bolts, and a turning head 11 is movably connected in the frame 15. The bottom of the inner cavity of the frame 15 is connected to an electric push rod 14 by bolts, and the top of the electric push rod 14 is connected to the lower platform 15 by bolts. A sliding block 12 is connected by bolts, and a mounting tube 13 is connected through the side wall of the sliding block 12, and the right side of the mounting tube 13 is closed. The right side of the turning head 11 extends into the mounting tube 13 and is movably connected to a moving frame 38 through a bearing, and a driving motor 37 is connected to the moving frame 38 by bolts. The right side of the turning head 11 passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor 37. The right inner wall of the mounting tube 13 is connected to an electric telescopic rod 30 by bolts, and the left end of the electric telescopic rod 30 is connected to the right outer wall of the moving frame 38 by bolts.

[0026] In the utility model, the material can be effectively clamped and fixed, the material can be effectively prevented from falling off during the processing, and the stability and processing efficiency can be effectively improved;

[0027] Among them, a connecting groove 17 is opened at the top of the lower platform 1 near the right side, and an electric cylinder 23 is connected to the bottom of the inner cavity of the connecting groove 17 by bolts, and the top of the push rod on the electric cylinder 23 is connected to a lifting plate 24 by bolts, and the top of the lifting plate 24 is connected to side plates 25 near the left and right sides by bolts, and the bottom of the side plate 25 is slidably connected to the bottom of the moving plate 16, and a nut 27 is arranged between the two side plates 25, and a screw rod 26 is sleeved in the nut 27, and the left and right ends of the screw rod 26 pass through the nut 27 respectively and are movably connected to the two side plates 25 through bearings, and a servo motor 29 is connected to the left side wall of the side plate 25 on the left side by bolts, and the left end of the screw rod 26 passes through the inner ring of the bearing and is fixedly connected to the output shaft of the servo motor 29, and a docking rod 28 is connected between the top of the nut 27 and the bottom of the moving plate 16;

[0028] In the utility model, effective position adjustment can be achieved, which can effectively improve the processing accuracy and work efficiency;

[0029] Among them, the bottom of the lower platform 1 is connected to the support block 2 by bolts near the left and right sides, and the bottom of the lower platform 1 is connected to the fan 42 by bolts near the left side, the top air outlet of the fan 42 is connected to the inside of the cylinder 20, the front wall of the vertical pipe 5 is provided with a plurality of evenly distributed air outlet holes 34 near the gear 22, the installation groove 21 and the connecting groove 17 are connected with a horizontal pipe 31, the right side of the through hole 18 is provided with a docking hole 32, and the right side of the docking hole 32 is plugged with a connecting pipe 33, the right end of the connecting pipe 33 is connected with the shell 10, the right side of the shell 10 is connected with the blowing pipe 9, and the right side of the shell 10 is provided with a plurality of evenly distributed air jet holes;

[0030] In the utility model, effective ventilation can be achieved, and effective temperature reduction can be achieved during the turning process.

[0031] Working principle: when the utility model is in use, the material is first placed in the air blowing pipe 9, and then the electric cylinder 23 and the electric push rod 243 are started. The push rod on the electric cylinder 23 extends upward and drives the lifting plate 24 to move upward. The lifting plate 24 drives the moving plate 16 and the lower pressing block 8 to move upward through the side plate 25. The electric push rod 243 moves forward and drives the moving rod 40 to move forward. The moving rod 40 drives the gear 22 to rotate through the rack 41. The gear 22 drives the lower moving plate 6 and the upper pressing block 7 to rotate to the right through the vertical pipe 5, and the upper pressing block 7 moves downward with the cooperation of the toggle rod 35 and the L-shaped groove 36, so that the upper pressing block 7 and the lower pressing block 8 clamp the material, which can realize effective clamping and fixing of the material, effectively prevent the material from falling off during the processing, and effectively improve its stability and processing efficiency. At this time, the electric cylinder 23 and the electric push rod 243 are closed, and the electric push rod 243 is started. The push rod 14 is moved, and the electric push rod 14 drives the sliding block 12 to slide up and down in the frame 15 to adjust the up and down position of the turning head 11. The electric push rod 14 is closed to start the electric telescopic rod 30 and the driving motor 37. The extension of the electric telescopic rod 30 drives the turning head 11 to move left and right, and the driving motor 37 drives the turning head 11 to rotate, so as to realize turning processing, and to realize effective position adjustment, and to effectively improve its processing accuracy and work efficiency. The fan 42 is started, and the fan 42 injects wind into the cylinder 20, and the wind in the cylinder 20 enters the vertical pipe 5, and makes the wind spray out from the air outlet 34 into the installation groove 21, and the horizontal pipe 31 guides the wind in the installation groove 21 into the connecting groove 17, and can be sprayed through the docking hole 32, the connecting pipe 33 and the blowing pipe 9, so as to realize effective ventilation and realize effective cooling during the turning process.

[0032] Example 2: Please refer to Figure 1-8The utility model provides a technical solution: a manual milling machine for coupling processing, comprising a lower table 1, the top of the lower table 1 is connected to the upper table 4 by bolts near the left side, a lower moving plate 6 is arranged above the upper table 4, the top of the lower moving plate 6 is connected to the left side through a vertical pipe 5, and the lower table 1 and the upper table 4 are respectively provided with a through hole 18 and a mounting groove 21, the bottom end of the vertical pipe 5 passes through the through hole 18 and extends to the mounting groove 21 and is connected to a gear 22, a groove 39 is provided on the left inner wall of the mounting groove 21, and a moving rod 40 is slidably connected in the groove 39 , a plurality of evenly distributed racks 41 matching the gear 22 are installed on the right side of the moving rod 40, an electric push rod 2 43 is connected to the inner wall of the rear side of the groove 39 by bolts, and the front end of the electric push rod 2 43 is connected to the rear wall of the moving rod 40 by bolts, the bottom end of the moving rod 40 passes through the gear 22 and is sleeved with a cylinder 20, and the bottom end of the cylinder 20 is movably connected to the bottom of the inner cavity of the mounting groove 21 through a bearing, a spring 19 is connected between the bottom of the inner cavity of the cylinder 20 and the bottom end of the moving rod 40, and a T-shaped screw 3 is connected to the left side of the upper platform 4 through a threaded hole, and The right end of the T-shaped screw rod 3 is connected to a toggle rod 35 through a threaded hole, and an L-shaped groove 36 matching the toggle rod 35 is opened on the left side of the vertical pipe 5. The bottom of the lower moving plate 6 is connected to an upper pressing block 7 by bolts near the right side, and the top of the lower platform 1 is attached to a moving plate 16 near the right side, and the top of the moving plate 16 is connected to a lower pressing block 8 by bolts near the left side. The right side of the lower platform 1 is connected to a frame 15 by bolts, and a turning head 11 is movably connected in the frame 15. The bottom of the inner cavity of the frame 15 is connected to an electric push rod 14 by bolts, and the top of the electric push rod 14 is connected to the lower platform 15 by bolts. A sliding block 12 is connected by bolts, and a mounting tube 13 is connected through the side wall of the sliding block 12, and the right side of the mounting tube 13 is closed. The right side of the turning head 11 extends into the mounting tube 13 and is movably connected to a moving frame 38 through a bearing, and a driving motor 37 is connected to the moving frame 38 by bolts. The right side of the turning head 11 passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor 37. The right inner wall of the mounting tube 13 is connected to an electric telescopic rod 30 by bolts, and the left end of the electric telescopic rod 30 is connected to the right outer wall of the moving frame 38 by bolts.

[0033] In the utility model, the material can be effectively clamped and fixed, the material can be effectively prevented from falling off during the processing, and the stability and processing efficiency can be effectively improved;

[0034] Among them, a connecting groove 17 is opened at the top of the lower platform 1 near the right side, and an electric cylinder 23 is connected to the bottom of the inner cavity of the connecting groove 17 by bolts, and the top of the push rod on the electric cylinder 23 is connected to a lifting plate 24 by bolts, and the top of the lifting plate 24 is connected to side plates 25 near the left and right sides by bolts, and the bottom of the side plate 25 is slidably connected to the bottom of the moving plate 16, and a nut 27 is arranged between the two side plates 25, and a screw rod 26 is sleeved in the nut 27, and the left and right ends of the screw rod 26 pass through the nut 27 respectively and are movably connected to the two side plates 25 through bearings, and a servo motor 29 is connected to the left side wall of the side plate 25 on the left side by bolts, and the left end of the screw rod 26 passes through the inner ring of the bearing and is fixedly connected to the output shaft of the servo motor 29, and a docking rod 28 is connected between the top of the nut 27 and the bottom of the moving plate 16;

[0035] In the utility model, effective position adjustment can be achieved, which can effectively improve the processing accuracy and work efficiency;

[0036] Among them, the bottom of the lower platform 1 is connected to the support block 2 by bolts near the left and right sides, and the bottom of the lower platform 1 is connected to the fan 42 by bolts near the left side, the top air outlet of the fan 42 is connected to the inside of the cylinder 20, the front wall of the vertical pipe 5 is provided with a plurality of evenly distributed air outlet holes 34 near the gear 22, the installation groove 21 and the connecting groove 17 are connected with a horizontal pipe 31, the right side of the through hole 18 is provided with a docking hole 32, and the right side of the docking hole 32 is plugged with a connecting pipe 33, the right end of the connecting pipe 33 is connected with the shell 10, the right side of the shell 10 is connected with the blowing pipe 9, and the right side of the shell 10 is provided with a plurality of evenly distributed air jet holes;

[0037] In the utility model, effective ventilation can be achieved, and effective temperature reduction can be achieved during the turning process.

[0038] In this embodiment, the lower moving plate 6 and the upper pressing block 7 are initially placed on the front side of the upper platform 4. With the cooperation of the toggle rod 35 and the L-shaped groove 36, the lower moving plate 6 and the upper pressing block 7 are moved to the right side.

[0039] In this embodiment, the servo motor 29, the screw rod 26 and the nut 27 cooperate to drive the pressing block 8 to move left and right, thereby effectively adjusting its left and right position.

[0040] 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 manual milling machine for machining couplings, comprising a lower table (1), characterized in that: The top of the lower platform (1) is connected to the upper platform (4) by bolts near the left side, a lowering plate (6) is arranged above the upper platform (4), a vertical pipe (5) is penetrated and connected to the top of the lower platform (6) near the left side, and a through hole (18) and a mounting groove (21) are respectively provided on the lower platform (1) and the upper platform (4), the bottom end of the vertical pipe (5) passes through the through hole (18) and extends to the mounting groove (21) and is connected to a gear (22), and the mounting groove (21) is provided with a gear (22) in the bottom end of the vertical pipe (5). A groove (39) is provided on the left inner wall of the mounting groove (21), a moving rod (40) is slidably connected in the groove (39), a plurality of evenly distributed racks (41) matching the gear (22) are installed on the right side of the moving rod (40), an electric push rod (43) is connected to the rear inner wall of the groove (39) by bolts, and the front end of the electric push rod (43) is connected to the rear wall of the moving rod (40) by bolts, and the moving rod (4 The bottom end of the upper platform (4) passes through the gear (22) and is sleeved with a cylinder (20), and the bottom end of the cylinder (20) is movably connected to the bottom of the inner cavity of the mounting groove (21) through a bearing, and a spring (19) is connected between the bottom of the inner cavity of the cylinder (20) and the bottom end of the moving rod (40), and the left side of the upper platform (4) is connected to a T-shaped screw rod (3) through a threaded hole, and the right end of the T-shaped screw rod (3) is connected to a toggle rod (35) through the threaded hole, and the left side of the vertical tube (5) is opened. An L-shaped groove (36) matching the toggle rod (35) is provided, the bottom of the lower moving plate (6) is connected to an upper pressing block (7) by bolts near the right side, the top of the lower platform (1) is fitted with a movable plate (16) near the right side, the top of the movable plate (16) is connected to a lower pressing block (8) by bolts near the left side, the right side of the lower platform (1) is connected to a frame (15) by bolts, and a turning head (11) is movably connected inside the frame (15).

2. A manual milling machine for coupling processing according to claim 1, characterized in that: A connection groove (17) is provided at the top of the lower platform (1) near the right side, and an electric cylinder (23) is connected to the bottom of the inner cavity of the connection groove (17) by bolts, and the top of the push rod on the electric cylinder (23) is connected to a lifting plate (24) by bolts, and the top of the lifting plate (24) is connected to side plates (25) near the left and right sides by bolts, and the bottom of the side plate (25) is slidably connected to the bottom of the moving plate (16).

3. A manual milling machine for coupling processing according to claim 2, characterized in that: A nut (27) is arranged between the two side plates (25), and a screw rod (26) is sleeved in the nut (27). The left and right ends of the screw rod (26) pass through the nuts (27) respectively and are movably connected to the two side plates (25) through bearings. A servo motor (29) is connected to the left side wall of the side plate (25) on the left side through bolts, and the left end of the screw rod (26) passes through the inner ring of the bearing and is fixedly connected to the output shaft of the servo motor (29). A docking rod (28) is connected between the top of the nut (27) and the bottom of the movable plate (16).

4. A manual milling machine for coupling processing according to claim 1, characterized in that: The bottom of the lower platform (1) is connected to support blocks (2) by bolts near the left and right sides, and the bottom of the lower platform (1) is connected to a fan (42) by bolts near the left side, and the top air outlet of the fan (42) is connected to the inside of the cylinder (20), and the front wall of the vertical pipe (5) is provided with a plurality of evenly distributed air outlet holes (34) near the gear (22).

5. The manual milling machine for coupling processing according to claim 1, characterized in that: A transverse pipe (31) is connected between the installation groove (21) and the connection groove (17).

6. A manual milling machine for coupling processing according to claim 1, characterized in that: A docking hole (32) is provided on the right side of the through hole (18), and a connecting pipe (33) is inserted on the right side of the docking hole (32), the right end of the connecting pipe (33) is connected to the shell (10), the right side of the shell (10) is connected to the air blowing pipe (9), and a plurality of evenly distributed air injection holes are provided on the right side of the shell (10).

7. A manual milling machine for coupling processing according to claim 1, characterized in that: The bottom of the inner cavity of the frame (15) is connected to an electric push rod (14) by bolts, the top of the electric push rod (14) is connected to a sliding block (12) by bolts, and a mounting tube (13) is connected through the side wall of the sliding block (12), and the right side of the mounting tube (13) is closed. The right side of the turning head (11) extends into the mounting tube (13) and is movably connected to a moving frame (38) through a bearing, and a driving motor (37) is connected to the moving frame (38) by bolts. The right side of the turning head (11) passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor (37). The right inner wall of the mounting tube (13) is connected to an electric telescopic rod (30) by bolts, and the left end of the electric telescopic rod (30) is connected to the right outer wall of the moving frame (38) by bolts.

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