Welding robot for marine port mechanical equipment

Abstract

The marine port mechanical equipment welding robot comprises a bottom frame, and a supporting assembly is installed at the bottom of the bottom frame; the mounting frame is fixed on the top surface of the bottom frame; the lifting mechanism is provided with a pipe fitting clamp; the rotary driving mechanism is installed on the top face of the bottom frame, the rotary driving mechanism and the lifting mechanism are correspondingly arranged, and a flange positioning mechanism is installed on the rotary driving mechanism; the welding mechanism comprises a multi-degree-of-freedom mechanical arm and a welding gun, the multi-degree-of-freedom mechanical arm is installed on the lifting mechanism, and the welding gun is installed on the multi-degree-of-freedom mechanical arm; wherein the multi-degree-of-freedom mechanical arm comprises a first adjusting arm, a second adjusting arm and a third adjusting arm which are sequentially connected, the first adjusting arm is installed on the lifting mechanism, and the welding gun is installed on the third adjusting arm. The multi-degree-of-freedom mechanical arm is matched with the flange positioning mechanism and the lifting mechanism to weld the pipe fitting and the flange, so that the welding difficulty is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to a welding robot for marine port mechanical equipment. Background Art

[0002] At present, the welding of marine port machinery and equipment mainly relies on traditional technologies such as manual arc welding, gas shielded welding, and automatic and semi-automatic welding systems. Manual arc welding is still widely used in the welding of small and complex structures due to its flexibility and wide adaptability. Gas shielded welding, with its high-quality welds and low hydrogen content, occupies a dominant position in the welding of medium and large structural parts. In addition, with the development of automation technology, automatic and semi-automatic welding systems have gradually begun to be used in the manufacture of marine port machinery and equipment to improve production efficiency and welding quality.

[0003] There is a lack of targeted devices in the prior art for welding between flanges and pipe fittings in many categories of mechanical equipment. The main reason is that the welding position is limited and the positioning of the flange is difficult. Therefore, the present invention provides a welding robot for marine port mechanical equipment for welding between pipe fittings and flanges. Summary of the invention

[0004] The purpose of the present invention is to provide a marine port machinery equipment welding robot to solve the problems existing in the prior art.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a welding robot for marine port machinery equipment, comprising:

[0006] A base frame, wherein a support assembly is installed at the bottom of the base frame;

[0007] A mounting frame, the mounting frame being fixed to the top surface of the base frame;

[0008] A lifting mechanism, the lifting mechanism is installed in the middle position of the mounting frame, and a pipe fixture is installed on the lifting mechanism;

[0009] A rotary drive mechanism, the rotary drive mechanism is mounted on the top surface of the base frame, the rotary drive mechanism is arranged correspondingly to the lifting mechanism, and a flange positioning mechanism is mounted on the rotary drive mechanism;

[0010] A welding mechanism, the welding mechanism comprising a multi-degree-of-freedom mechanical arm and a welding gun, the multi-degree-of-freedom mechanical arm is mounted on the lifting mechanism, and the welding gun is mounted on the multi-degree-of-freedom mechanical arm;

[0011] Wherein, the multi-degree-of-freedom robotic arm comprises a first adjusting arm, a second adjusting arm and a third adjusting arm which are connected in sequence, the first adjusting arm is mounted on the lifting mechanism, and the welding gun is mounted on the third adjusting arm.

[0012] According to the marine port machinery equipment welding robot provided by the present invention, the lifting mechanism includes a lifting cylinder, the lifting cylinder is vertically fixed on the top of the mounting frame, the mounting frame is symmetrically and vertically slidably connected with connecting rods, the bottoms of the two connecting rods are fixedly connected to the mounting plate, the lifting cylinder is located between the two connecting rods, the bottom end of the lifting cylinder is fixedly connected to the top surface of the mounting plate, the pipe clamp is rotatably connected to the bottom surface of the mounting plate, and the first adjusting arm is installed on the mounting plate.

[0013] The cam is connected to the support frame by a support rod, and the support frame is fixedly connected to the support frame through a support rod.

[0014] According to the marine port machinery equipment welding robot provided by the present invention, the rotary drive mechanism includes a drive motor and a transmission, the drive motor and the transmission are both installed on the chassis, the drive motor output shaft is connected to the transmission input shaft, the bottom surface of the pad is fixedly connected to the mounting shaft, the mounting seat passes through the chassis and is connected to the output shaft of the transmission via a coupling.

[0015] According to the marine port machinery equipment welding robot provided by the present invention, the first adjusting arm includes a connecting plate fixedly connected to the bottom surface of the mounting plate, a horizontal plate is horizontally slidably connected to the connecting plate, the end of the horizontal plate is rotatably connected to a rotating plate via a rotating shaft, arc grooves are symmetrically provided on the rotating plate, the corresponding arcs of the arc grooves are coaxial with the rotating shaft, a socket is provided on the horizontal plate, a positioning bolt is inserted into the socket, the positioning bolt passes through the arc groove and is threadedly connected to a positioning nut, and the second adjusting arm is mounted on the rotating plate.

[0016] According to the marine port machinery equipment welding robot provided by the present invention, the second adjusting arm includes a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are vertically arranged, a connecting block is arranged between the first mounting frame and the second mounting frame, the connecting block is slidably connected to the first mounting frame and the second mounting frame, and the first mounting frame and the second mounting frame are respectively installed with adjusting components, the adjusting components include an adjusting screw and an adjusting motor, the adjusting motors are respectively fixed to the ends of the first mounting frame and the second mounting frame, the adjusting screw is fixed to the output shaft of the adjusting motor, the two adjusting screws respectively pass through the connecting block and are threadedly connected to the connecting block, the second mounting frame is fixedly connected to a mounting rail, and the third adjusting arm is installed on the mounting rail.

[0017] According to the marine port machinery equipment welding robot provided by the present invention, the third adjusting arm includes a mounting seat slidably connected to the mounting rail, the top of the mounting rail is fixedly connected to an adjusting cylinder, the bottom end of the adjusting cylinder is fixedly connected to the mounting seat, the mounting seat is fixedly connected to a first arm, the bottom end of the first arm is rotatably connected to a second arm, the end of the second arm is fixedly connected to an electrically-controlled telescopic rod, the output end of the electrically-controlled telescopic rod is fixedly connected to a mounting sleeve, the welding gun is detachably connected to the mounting seat, and a locking bolt is arranged between the first arm and the second arm.

[0018] According to the marine port machinery equipment welding robot provided by the present invention, four groups of support components are installed at the bottom of the base frame, and the four groups of support components are symmetrically arranged in pairs. The support components include threaded rods, which are vertically threadedly connected to the bottom of the base frame, and the bottom of the threaded rods is fixedly connected to a base.

[0019] The present invention discloses the following technical effects:

[0020] When the present invention is working, the pipe fitting is fixed on the lifting mechanism by the pipe fitting clamp, the flange is positioned and fixed by the flange positioning mechanism, the angles and positions of the first adjusting arm, the second adjusting arm and the third adjusting arm are adjusted respectively to ensure that the height and welding angle of the welding gun meet the requirements, the lifting mechanism drives the pipe fitting and the welding mechanism to descend, and after the pipe fitting and the flange are butt-jointed, the welding gun is used to weld the positioning welding point, and then the rotary driving mechanism drives the flange and the pipe fitting to rotate, and the welding gun completely welds the weld, and the device is removed after the welding is completed.

[0021] The present invention adopts a multi-freedom mechanical arm in conjunction with a flange positioning mechanism and a lifting mechanism to weld the pipe fitting and the flange, thereby reducing the difficulty of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the structure of the marine port machinery equipment welding robot of the present invention;

[0024] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0025] Figure 3 It is a structural schematic diagram of the flange positioning mechanism of the present invention.

[0026] Among them, 1. base frame; 2. mounting frame; 3. pipe fixture; 4. welding gun; 5. lifting cylinder; 6. connecting rod; 7. mounting plate; 8. support plate; 9. pad; 10. top plate; 11. cross-shaped slide groove; 12. slider; 13. positioning plate; 14. slide plate; 15. slide rail; 16. hydraulic push rod; 17. drive motor; 18. transmission; 19. connecting plate; 20. cross plate; 21. arc groove; 22. first mounting frame; 23. second mounting frame; 24. connecting block; 25. adjusting screw; 26. adjusting motor; 27. mounting track; 28. mounting seat; 29. ​​adjusting cylinder; 30. first arm; 31. second arm; 32. electric telescopic rod; 33. threaded rod; 34. base. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Reference Figure 1-3 The present invention provides a marine port machinery equipment welding robot, comprising:

[0030] A base frame 1, wherein a support assembly is installed at the bottom of the base frame 1;

[0031] A mounting frame 2, the mounting frame 2 is fixed on the top surface of the base frame 1;

[0032] A lifting mechanism, the lifting mechanism is installed in the middle position of the mounting frame 2, and a pipe fixture 3 is installed on the lifting mechanism;

[0033] A rotary drive mechanism, which is mounted on the top surface of the base frame 1, and is arranged correspondingly between the rotary drive mechanism and the lifting mechanism, and a flange positioning mechanism is mounted on the rotary drive mechanism;

[0034] The welding mechanism comprises a multi-degree-of-freedom mechanical arm and a welding gun 4, wherein the multi-degree-of-freedom mechanical arm is mounted on the lifting mechanism, and the welding gun 4 is mounted on the multi-degree-of-freedom mechanical arm;

[0035] The multi-degree-of-freedom robot arm includes a first adjusting arm, a second adjusting arm and a third adjusting arm which are connected in sequence. The first adjusting arm is installed on the lifting mechanism, and the welding gun 4 is installed on the third adjusting arm.

[0036] When the present invention is working, the pipe fitting is fixed on the lifting mechanism by the pipe fitting clamp 3, the flange is positioned and fixed by the flange positioning mechanism, the angles and positions of the first adjusting arm, the second adjusting arm and the third adjusting arm are adjusted respectively to ensure that the height and welding angle of the welding gun 4 meet the requirements, the lifting mechanism drives the pipe fitting and the welding mechanism to descend, and when the pipe fitting and the flange are butt-jointed, the welding gun 4 is used to weld the positioning welding point, and then the rotary driving mechanism drives the flange and the pipe fitting to rotate, and the welding gun 4 performs a complete welding of the weld, and the device is removed after the welding is completed.

[0037] The present invention adopts a multi-freedom mechanical arm in conjunction with a flange positioning mechanism and a lifting mechanism to weld the pipe fitting and the flange, thereby reducing the welding difficulty.

[0038] Further optimization scheme, the lifting mechanism includes a lifting cylinder 5, the lifting cylinder 5 is vertically fixed on the top of the mounting frame 2, the mounting frame 2 is symmetrically and vertically slidably connected with connecting rods 6, the bottoms of the two connecting rods 6 are fixedly connected to the mounting plate 7, the lifting cylinder 5 is located between the two connecting rods 6, the bottom end of the lifting cylinder 5 is fixedly connected to the top surface of the mounting plate 7, the pipe fixture 3 is rotatably connected to the bottom surface of the mounting plate 7, and the first adjustment arm is installed on the mounting plate 7. The setting of the lifting cylinder 5 can control the lifting of the entire mounting plate 7, the pipe fixture 3 adopts the existing technology, the pipe fixture 3 clamps the pipe to ensure the stability of the pipe fixture 3. The pipe fixture 3 can be connected by a rotating device, and can also be directly connected by a bearing. When working, a welding gun 4 is used to weld a welding point at one side position to connect the pipe and the flange, and then the rotating part at the bottom is used to control the flange and the pipe to rotate as a whole, and it is not necessary to arrange a driving device.

[0039] A further optimized solution is provided, the flange positioning mechanism includes a pad 9, the top surface of the pad 9 is directly opposite to a support plate 8, the pad 9 and the support plate 8 are fixedly connected by a support rod, the top surface of the support plate 8 is directly opposite to a top plate 10, a cross-shaped slide groove 11 is provided on the top plate 10, four groups of sliders 12 are slidably connected in the cross-shaped slide groove 11, the top of the slider 12 is fixedly connected to a positioning plate 13, a slide plate 14 is slidably connected to the bottom surface of the top plate 10, the slider 12 is fixedly connected to the top surface of the slide plate 14, a slide rail 15 is fixedly connected to the top surface of the support plate 8, the slide plate 14 is slidably connected to the slide rail 15, a hydraulic push rod 16 is fixedly connected to the top surface of the pad 9, the top of the hydraulic push rod 16 is fixedly connected to an articulated seat, four groups of articulated rods are articulated at equal intervals in the circumferential direction on the articulated seat, a clearance groove is provided on the support plate 8, and the articulated rod passes through the clearance groove and is articulated to the bottom surface of the slide plate 14; the pad 9 is rotatably connected to the top surface of the base frame 1.

[0040] The hydraulic push rod 16 pushes the articulated rod, so that the angle between the articulated rod and the axis of the hydraulic push rod 16 changes. The hydraulic push rod 16 pushes the slider 12 and the positioning plate 13 on the top of the slider 12 to move so that the center position of the flange can be positioned.

[0041] Further optimization scheme, the rotation drive mechanism includes a drive motor 17 and a transmission 18, both of which are installed on the chassis 1, the output shaft of the drive motor 17 is connected to the input shaft of the transmission 18, the bottom surface of the pad 9 is fixedly connected with a mounting shaft, and the mounting seat 28 passes through the chassis 1 and is connected to the output shaft of the transmission 18 through a coupling. The drive motor 17 outputs power, and the transmission 18 adjusts the speed to drive the top flange positioning mechanism to rotate.

[0042] Further optimized solution, the first adjustment arm includes a connecting plate 19 fixedly connected to the bottom surface of the mounting plate 7, a horizontal plate 20 is horizontally slidably connected to the connecting plate 19, the end of the horizontal plate 20 is rotatably connected to the rotating plate through a rotating shaft, arc grooves 21 are symmetrically opened on the rotating plate, the arc grooves 21 correspond to the arc line and are coaxial with the rotating shaft, a plug hole is opened on the horizontal plate 20, a positioning bolt is inserted into the plug hole, the positioning bolt passes through the arc groove 21 and is threadedly connected with a positioning nut, and the second adjustment arm is installed on the rotating plate. The arrangement of the horizontal plate 20 and the connecting plate 19 can adjust the linear position and angle.

[0043] A further optimized solution is that the second adjusting arm includes a first mounting frame 22 and a second mounting frame 23, the first mounting frame 22 and the second mounting frame 23 are vertically arranged, a connecting block 24 is arranged between the first mounting frame 22 and the second mounting frame 23, the connecting block 24 is slidingly connected to the first mounting frame 22 and the second mounting frame 23, and the first mounting frame 22 and the second mounting frame 23 are respectively installed with adjustment components, the adjustment components include an adjusting screw 25 and an adjusting motor 26, the adjusting motor 26 is respectively fixed at the ends of the first mounting frame 22 and the second mounting frame 23, the adjusting screw 25 is fixed on the output shaft of the adjusting motor 26, the two adjusting screws 25 respectively pass through the connecting block 24, and are threadedly connected to the connecting block 24, the second mounting frame 23 is fixedly connected with a mounting rail 27, and the third adjusting arm is installed on the mounting rail 27.

[0044] The two sets of screws rotate on the first mounting frame 22 and the second mounting frame 23 respectively, and are adjusted by two sets of adjustment motors 26 in cooperation with the adjustment screws 25. The two adjustment screws 25 are perpendicular to each other, and the first mounting frame 22 and the second mounting frame 23 can be adjusted at two angles respectively, thereby improving the flexibility of the device.

[0045] A further optimized solution is that the third adjusting arm includes a mounting seat 28 slidably connected to the mounting rail 27, the top of the mounting rail 27 is fixedly connected to an adjusting cylinder 29, the bottom end of the adjusting cylinder 29 is fixedly connected to the mounting seat 28, a first arm 30 is fixedly connected to the mounting seat 28, the bottom end of the first arm 30 is rotatably connected to a second arm 31, the end of the second arm 31 is fixedly connected to an electrically-controlled telescopic rod 32, the output end of the electrically-controlled telescopic rod 32 is fixedly connected to a mounting sleeve, the welding gun 4 is detachably connected to the mounting seat 28, and a locking bolt is arranged between the first arm 30 and the second arm 31.

[0046] The first arm 30 and the second arm 31 are connected by a locking bolt for adjusting the angle between the first arm 30 and the second arm 31 . The welding gun 4 can be pushed closer to the welding position by setting the electrically controlled telescopic rod 32 .

[0047] Further optimizing the scheme, four groups of support components are installed at the bottom of the base frame 1, and the four groups of support components are symmetrically arranged in pairs. The support components include threaded rods 33, and the threaded rods 33 are vertically threadedly connected to the bottom of the base frame 1. The bottom of the threaded rods 33 is fixedly connected to the base 34. The height of the base 34 can be adjusted by setting the threaded rods 33, so as to ensure the stability of the device.

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, 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 should not be understood as a limitation on the present invention.

[0049] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A welding robot for marine port machinery equipment, characterized in that: include: A base frame (1), wherein a support assembly is installed at the bottom of the base frame (1); A mounting frame (2), wherein the mounting frame (2) is fixed on the top surface of the base frame (1); A lifting mechanism, the lifting mechanism being installed at a middle position of the mounting frame (2), and a pipe fixture (3) being installed on the lifting mechanism; A rotary drive mechanism, the rotary drive mechanism being mounted on the top surface of the base frame (1), the rotary drive mechanism being arranged correspondingly to the lifting mechanism, and a flange positioning mechanism being mounted on the rotary drive mechanism; A welding mechanism, the welding mechanism comprising a multi-degree-of-freedom mechanical arm and a welding gun (4), the multi-degree-of-freedom mechanical arm being mounted on the lifting mechanism, and the welding gun (4) being mounted on the multi-degree-of-freedom mechanical arm; The multi-degree-of-freedom mechanical arm comprises a first adjusting arm, a second adjusting arm and a third adjusting arm which are connected in sequence; the first adjusting arm is mounted on the lifting mechanism; and the welding gun (4) is mounted on the third adjusting arm.

2. A marine port machinery equipment welding robot according to claim 1, characterized in that: The lifting mechanism comprises a lifting cylinder (5), the lifting cylinder (5) is vertically fixed on the top of the mounting frame (2), the mounting frame (2) is symmetrically and vertically slidably connected with connecting rods (6), the bottoms of the two connecting rods (6) are fixedly connected to the mounting plate (7), the lifting cylinder (5) is located between the two connecting rods (6), the bottom end of the lifting cylinder (5) is fixedly connected to the top surface of the mounting plate (7), the pipe fixture (3) is rotatably connected to the bottom surface of the mounting plate (7), and the first adjusting arm is installed on the mounting plate (7).

3. The marine port machinery equipment welding robot according to claim 1, characterized in that: The flange positioning mechanism comprises a pad (9), a support plate (8) is arranged opposite to the top surface of the pad (9), the pad (9) and the support plate (8) are fixedly connected via a support rod, a top plate (10) is arranged opposite to the top surface of the support plate (8), a cross-shaped slide groove (11) is provided on the top plate (10), four groups of sliders (12) are slidably connected in the cross-shaped slide groove (11), the top of the slider (12) is fixedly connected to a positioning plate (13), the bottom surface of the top plate (10) is slidably connected to a slide plate (14), and the slider (12) The support plate (8) is fixedly connected to the top surface of the slide plate (14); the top surface of the support plate (8) is fixedly connected to a slide rail (15); the slide plate (14) is slidably connected to the slide rail (15); the top surface of the pad plate (9) is fixedly connected to a hydraulic push rod (16); the top end of the hydraulic push rod (16) is fixedly connected to an articulated seat; four groups of articulated rods are articulated at equal intervals in the circumferential direction on the articulated seat; a clearance groove is provided on the support plate (8); the articulated rod passes through the clearance groove and is articulated to the bottom surface of the slide plate (14); the pad plate (9) is rotatably connected to the top surface of the base frame (1).

4. The marine port machinery equipment welding robot according to claim 3, characterized in that: The rotary drive mechanism comprises a drive motor (17) and a transmission (18), wherein the drive motor (17) and the transmission (18) are both mounted on the base frame (1), the output shaft of the drive motor (17) is connected to the input shaft of the transmission (18), the bottom surface of the pad (9) is fixedly connected to a mounting shaft, and the mounting seat (28) passes through the base frame (1) and is connected to the output shaft of the transmission (18) via a coupling.

5. The marine port machinery equipment welding robot according to claim 2, characterized in that: The first adjusting arm comprises a connecting plate (19) fixedly connected to the bottom surface of the mounting plate (7); a horizontal plate (20) is horizontally slidably connected to the connecting plate (19); an end of the horizontal plate (20) is rotatably connected to a rotating plate via a rotating shaft; arc grooves (21) are symmetrically provided on the rotating plate; the arc lines corresponding to the arc grooves (21) are coaxial with the rotating shaft; a plug hole is provided on the horizontal plate (20); a positioning bolt is inserted into the plug hole; the positioning bolt passes through the arc groove (21) and is threadedly connected to a positioning nut; and the second adjusting arm is mounted on the rotating plate.

6. The marine port machinery equipment welding robot according to claim 5, characterized in that: The second adjusting arm comprises a first mounting frame (22) and a second mounting frame (23), the first mounting frame (22) and the second mounting frame (23) are vertically arranged, a connecting block (24) is arranged between the first mounting frame (22) and the second mounting frame (23), the connecting block (24) is slidably connected to the first mounting frame (22) and the second mounting frame (23), an adjusting assembly is respectively mounted on the first mounting frame (22) and the second mounting frame (23), the adjusting assembly comprises an adjusting screw (25) and an adjusting motor (26), the adjusting motor (26) is respectively fixed to the ends of the first mounting frame (22) and the second mounting frame (23), the adjusting screw (25) is fixed to the output shaft of the adjusting motor (26), the two adjusting screws (25) respectively pass through the connecting block (24) and are threadedly connected to the connecting block (24), the second mounting frame (23) is fixedly connected to a mounting rail (27), and the third adjusting arm is mounted on the mounting rail (27).

7. The marine port machinery equipment welding robot according to claim 6, characterized in that: The third adjusting arm comprises a mounting seat (28) slidably connected to the mounting rail (27); the top end of the mounting rail (27) is fixedly connected to an adjusting cylinder (29); the bottom end of the adjusting cylinder (29) is fixedly connected to the mounting seat (28); the mounting seat (28) is fixedly connected to a first arm (30); the bottom end of the first arm (30) is rotatably connected to a second arm (31); the end of the second arm (31) is fixedly connected to an electric-controlled telescopic rod (32); the output end of the electric-controlled telescopic rod (32) is fixedly connected to a mounting sleeve; the welding gun (4) is detachably connected to the mounting seat (28); a locking bolt is provided between the first arm (30) and the second arm (31).

8. The marine port machinery equipment welding robot according to claim 1, characterized in that: Four groups of support components are installed at the bottom of the base frame (1), and the four groups of support components are symmetrically arranged in pairs. The support components include threaded rods (33), and the threaded rods (33) are vertically threadedly connected to the bottom of the base frame (1). The bottom of the threaded rods (33) is fixedly connected to a base (34).

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