Suspension arm position adjusting method convenient for welding

Abstract

The invention provides a suspension arm position adjusting method facilitating welding. The suspension arm position adjusting method comprises the specific steps that (1) a frame of a suspension arm is welded; (2) the welded suspension arm frame is hoisted and placed on a first suspension arm support; (3) hoisting the second suspension arm bracket and putting the second suspension arm bracket above the suspension arm frame corresponding to the first suspension arm bracket; (4) the first suspension arm support and the second suspension arm support are fixed, and the suspension arm is clamped; (5) the suspension arm support is hoisted and placed on the sliding table; (6) welding a branch pipe of the suspension arm on the suspension arm frame; (7) in the welding process, the angle of the suspension arm is rotated according to the current welding position of the suspension arm branch pipe, and it is guaranteed that welding is in a flat welding state every time; (8) when the suspension arm needs to be rotated; (81) driving the suspension arm bracket to rotate through a roller assembly; and (82) the suspension arm support rotates on the sliding table, and angle adjustment of the suspension arm is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of suspension arms, and in particular to a suspension arm position adjustment method that is convenient for welding. Background Art

[0002] The boom is an important component of the crane, and its quality is directly related to the safety and reliability of the crane. As an important load-bearing component of the tower crane, the structure of the boom is of vital importance.

[0003] The boom is an important component of a tower crane, and its quality is directly related to the safety and reliability of the crane. As an important load-bearing component of a tower crane, the structure of the boom is of vital importance. Generally, the upper and lower chords of a flat-top boom are welded from square tubes or angle steels, and the boom frames are connected by branch pipes. The entire boom is a triangular space truss structure, and the sections are connected by pins, which makes disassembly and assembly easy.

[0004] A patent document with Chinese patent application number 202320674813.3 and publication date 2023.10.24 discloses a boom welding tool, including a bottom plate, a second positioning seat, a positioning seat for fixing the lower chord main limb, and wall panels for fixing the upper chord main limb are respectively provided at both ends along the first direction; the positioning seat includes a first locking seat and a second locking seat arranged along the second direction; the first locking seat and the second locking seat each include a plurality, and are respectively evenly arranged along the first direction; the first positioning seat and the second positioning seat are respectively provided on the side close to each other of the two wall panels; the first positioning seat and the second positioning seat each include a plurality, and are respectively evenly arranged along the third direction; the first direction and the second direction and the third direction are perpendicular to each other. This technical solution can position and fix the two lower chord main limbs respectively by arranging the first locking seat and the second locking seat on the bottom plate respectively along the first direction; and the first positioning seat and the second positioning seat can respectively position and fix the two ends of the upper chord main limb, effectively improving the welding accuracy.

[0005] The prior art of this document discloses a fixing tool for a boom, but the tool can only fix the boom. Since the branch pipes of the gantry type boom are staggered and intersected, if the boom is not turned over, various welding postures such as flat welding, vertical welding, and overhead welding are required. This will easily increase the difficulty of welding for workers, and welding postures such as vertical welding and overhead welding will also increase workers' fatigue in the long run, thereby affecting welding efficiency and welding quality. Summary of the invention

[0006] The invention provides a method for adjusting the position of a crane arm which is convenient for welding. The crane arm is adjusted in angle for multiple times, so that workers can weld in a flat welding state, thereby reducing workers' fatigue and improving welding efficiency and welding quality.

[0007] To achieve the above object, the technical solution of the present invention is: a method for adjusting the position of a boom that is convenient for welding, which is implemented by a boom tooling, wherein the boom tooling is provided with more than one and is distributed along the length direction of the boom, the boom tooling includes a boom bracket, a slide and a rolling wheel assembly, the boom bracket includes a first boom bracket and a second boom bracket, and the cross-sections of the first boom bracket and the second boom bracket are semi-circular, and the specific steps include: (1) Weld the frame of the boom.

[0008] (2) Lift the welded boom frame and place it on the first boom bracket.

[0009] (3) Lift the second boom bracket and place it above the boom frame corresponding to the first boom bracket.

[0010] (4) Fix the first boom bracket and the second boom bracket and clamp the boom.

[0011] (5) Lift the boom bracket and place it on the slide.

[0012] (6) Weld the boom branch pipe to the boom frame.

[0013] (7) During the welding process, the angle of the boom is rotated according to the current welding position of the boom branch pipe to ensure that each welding is in a flat welding state.

[0014] (8) When the boom needs to be rotated.

[0015] (81) The boom bracket is driven to rotate via the roller assembly.

[0016] (82) The boom bracket slides on the slide to adjust the angle of the boom.

[0017] The above structure forms an arm bracket with an accommodating space in the center by bringing the first arm bracket and the second arm bracket close to each other, so that when the arm is welded, the first arm bracket and the second arm bracket are clamped to the arm, so that when the arm needs to be moved, the arm bracket is lifted by the lifting platform, thereby realizing the transfer of the arm. The lifting platform is not directly connected to the arm, but moves the arm bracket, thereby ensuring that the arm is not easily deformed during the lifting process. When the arm bracket has clamped the arm, the worker welds the arm branch pipe. During the welding process, according to the current welding position of the arm branch pipe, the arm bracket is driven to rotate by the roller assembly, so that the arm bracket rotates on the slide, thereby rotating the angle of the arm, ensuring that each welding is in a flat welding state, thereby reducing the fatigue of the workers and improving the welding efficiency and welding quality.

[0018] Furthermore, the first boom bracket and the second boom bracket are close to each other to form a boom bracket of a cylindrical structure with an accommodating space in the center; the boom is placed in the accommodating space, the first boom bracket and the second boom bracket are close to each other and clamp the boom, a first clamping plate is provided at both ends of the first boom bracket, and a second clamping plate is provided at both ends of the second boom bracket, an accommodating space is formed between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate clamp the boom.

[0019] The above arrangement, by providing the first clamping plate and the second clamping plate, enables the boom to be clamped, thereby ensuring the reliability of the clamping.

[0020] Furthermore, at least one connecting hole is provided on the first clamping plate and the second clamping plate, and a fixing component is provided in the connecting hole. The first boom bracket and the second boom bracket are brought close to each other and clamp the boom through the fixing component.

[0021] The above arrangement, by providing the connecting hole, makes it easy for the first boom bracket and the second boom bracket to approach each other and clamp the boom.

[0022] Furthermore, first inwardly recessed clamping plates are provided at both ends of the inner side wall of the first boom bracket, and second inwardly recessed clamping plates are provided at both ends of the inner side wall of the second boom bracket. The first clamping plates and the second clamping plates are arranged to clamp the four corners of the boom.

[0023] The above arrangement, by arranging recessed first clamping plates and second clamping plates at both ends of the first boom bracket and the second boom bracket, forms a receiving space matched with the outer side wall of the boom through the first clamping plates and the second clamping plates, thereby ensuring the reliability of clamping.

[0024] Furthermore, a first reinforcing rib is provided on the inner side wall of the first boom bracket, and the first reinforcing rib is located at both ends of the first boom bracket.

[0025] The above arrangement, by providing the first reinforcing rib, strengthens the structure of the first boom support, thereby facilitating the transfer of the boom.

[0026] Furthermore, a second reinforcing rib is provided on the inner side wall of the second boom bracket, and the second reinforcing rib is located at both ends of the second boom bracket.

[0027] The above arrangement, by providing the second reinforcing rib, strengthens the structure of the second boom support, thereby facilitating the transfer of the boom.

[0028] Furthermore, an accommodating space for accommodating the boom is formed between the first reinforcing rib, the second reinforcing rib, the first clamping plate and the second clamping plate.

[0029] The above arrangement, through the arrangement of the first reinforcing rib and the second reinforcing rib and the first clamping plate and the second clamping plate, can better clamp and fix the boom.

[0030] Furthermore, a hoisting space is provided between the first reinforcing ribs at both ends of the first boom bracket and between the second reinforcing ribs at both ends of the second boom bracket.

[0031] The above arrangement facilitates the lifting platform to lift the boom bracket by setting up the lifting space.

[0032] Furthermore, a slide is provided under the boom bracket, and the outer wall of the boom bracket is slidably arranged on the slide. Rolling wheel assemblies are provided on both sides of the slide. The rolling wheel assemblies are frictionally connected to the outer wall of the boom bracket, and the rolling wheel assemblies drive the boom bracket to roll on the slide.

[0033] The above arrangement, by arranging a slide, enables the slide to slide in contact with the outer side wall of the boom bracket, so that the boom bracket can slide on the slide under the driving action of the rolling wheel assembly.

[0034] Furthermore, the rolling wheel assembly includes a driving motor and a rolling wheel, the rolling wheel is arranged on a driving shaft of the driving motor, and the rolling surface of the rolling wheel is frictionally connected to the outer wall of the boom bracket; step (71) specifically includes the driving motor driving the rolling wheel to rotate, thereby driving the boom bracket to slide on the slide.

[0035] With the above arrangement, the driving motor drives the rolling wheel to rotate, thereby driving the boom bracket to slide on the slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is an exploded schematic diagram of the boom tooling of the present invention.

[0037] Figure 2 It is a front view of the boom support of the present invention clamping the boom.

[0038] Figure 3 It is a side view of the boom support of the present invention clamping the boom.

[0039] Figure 4 It is the work flow chart of the present invention. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] like Figure 1-Figure 3As shown, a boom tooling comprises a boom support 1, a slide 2 and a rolling wheel assembly 3, wherein the boom support comprises more than one boom support 1, and the boom support 1 is distributed along the length direction of the boom, and the boom support 1 comprises a first boom support 11 and a second boom support 12, wherein the cross-sections of the first boom support 11 and the second boom support 12 are semi-circular, and the first boom support 11 and the second boom support 12 are fitted together to form a boom support 1 of a cylindrical structure with a receiving space 10 at the center; a boom 01 is placed in the receiving space 10, and the first boom support 11 and the second boom support 12 are close to each other and clamp the boom, and a first clamping plate 13 is provided at both ends of the first boom support 11, and a second clamping plate 14 is provided at both ends of the second boom support 12, and a receiving space 10 is formed between the first clamping plate 13 and the second clamping plate 14, and the first clamping plate 13 and the second clamping plate 14 clamp the boom.

[0042] A first clamping plate 13 recessed inwardly is provided at both ends of the inner side wall of the first boom bracket 11, and a second clamping plate 14 recessed inwardly is provided at both ends of the inner side wall of the second boom bracket 12. The first clamping plate 13 and the second clamping plate 14 are arranged to clamp the four corners of the boom.

[0043] A slide 2 is provided under the boom bracket 1, and the outer side wall of the boom bracket 1 is slidably arranged on the slide 2. Rolling wheel assemblies 3 are provided on both sides of the slide 2. The rolling wheel assemblies 3 are frictionally connected to the outer side wall of the boom bracket 1. The rolling wheel assemblies 3 drive the boom bracket 1 to roll on the slide 2. The shape of the upper end surface of the slide 2 is matched with the outer side wall of the boom bracket 1. In this embodiment, the cross-section of the upper end surface of the slide 2 is arc-shaped.

[0044] One or more connecting holes 15 are provided on the first clamping plate 13 and the second clamping plate 14. A fixing component 19 is provided in the connecting hole 15. The first boom bracket 11 and the second boom bracket 12 are brought close to each other and clamp the boom through the fixing component. The connecting holes 15 facilitate the first boom bracket 11 and the second boom bracket 12 to approach each other and clamp the boom.

[0045] The fixing member is a fixing bolt, and the first boom bracket 11 and the second boom bracket 12 are fixed by the fixing bolt, so the structure is simple and reliable.

[0046] A first reinforcing rib 16 is provided on the inner side wall of the first boom support 11, and the first reinforcing rib 16 is located at both ends of the first boom support 11. By providing the first reinforcing rib 16, the structure of the first boom support 11 is strengthened, thereby facilitating the transfer of the boom.

[0047] A second reinforcing rib 17 is provided on the inner side wall of the second boom support 12, and the second reinforcing rib 17 is located at both ends of the second boom support 12. By providing the second reinforcing rib 17, the structure of the second boom support is strengthened, thereby facilitating the transfer of the boom.

[0048] An accommodating space 10 for accommodating the boom is formed between the first reinforcing rib 16, the second reinforcing rib 17, the first clamping plate 13 and the second clamping plate 14. The boom is better clamped and fixed by the arrangement of the first reinforcing rib 16 and the second reinforcing rib 17 and the first clamping plate 13 and the second clamping plate 14.

[0049] A hoisting space 18 is provided between the first reinforcing ribs 16 at both ends of the first boom support 11 and between the second reinforcing ribs 17 at both ends of the second boom support 12. The provision of the hoisting space 18 facilitates the hoisting platform to hoist the boom support.

[0050] The rolling wheel assembly 3 includes a driving motor 31 and a rolling wheel 32, wherein the rolling wheel 32 is arranged on a driving shaft of the driving motor 31, and a rolling surface of the rolling wheel 32 is frictionally connected with an outer side wall of the boom support 1. The driving motor 31 drives the rolling wheel 32 to rotate, thereby driving the boom support 1 to slide on the slide 2.

[0051] like Figure 4 As shown, a method for adjusting the position of a boom for welding is provided, and the specific steps include: (1) Weld the frame of boom 01.

[0052] (2) Lift the welded boom frame and place it on the first boom support 11.

[0053] (3) Lift the second boom support 12 and place it above the boom frame corresponding to the first boom support 11.

[0054] (4) Fix the first boom support 11 and the second boom support 12 and clamp the boom.

[0055] (5) Lift the boom bracket 1 and place it on the slide 2.

[0056] (6) Weld the boom branch pipe to the boom frame.

[0057] (7) During the welding process, the angle of the boom is rotated according to the welding position of the current boom branch pipe to ensure that each welding is in a flat welding state. For example, when welding the bottom of the boom bracket, the boom bracket needs to be rotated 180 degrees before welding, so there is no need to weld the boom from the bottom of the boom bracket.

[0058] (8) When the boom needs to be rotated.

[0059] (81) The boom support 1 is driven to rotate through the roller assembly 3.

[0060] (82) The boom bracket 1 slides on the slide 2 to adjust the angle of the boom.

[0061] The working principle of the present invention is as follows: a boom bracket 1 with a receiving space 10 in the center is formed by bringing the first boom bracket 11 and the second boom bracket 12 close to each other, so that when the boom is welded, the first boom bracket 11 and the second boom bracket 12 are clamped to the boom, so that when the boom needs to be moved, the boom bracket 1 is lifted by the lifting platform, thereby realizing the transfer of the boom, and the lifting platform is not directly connected to the boom, but by moving the boom bracket 1, thereby ensuring that the boom is not easily deformed during the lifting process, when the boom bracket 1 has clamped the boom, the worker welds the boom branch pipe, and during the welding process, according to the current welding position of the boom branch pipe, the boom bracket 1 is driven to rotate by the roller assembly 3, so that the boom bracket 1 rotates on the slide 2, thereby rotating the angle of the boom, ensuring that each welding is in a flat welding state, thereby reducing the fatigue of the workers and improving the welding efficiency and welding quality.

Claims

1. A method for adjusting the position of a boom for welding, which is realized by a boom tooling, wherein at least one boom tooling is provided and distributed along the length direction of the boom, and is characterized in that: The boom tooling comprises a boom support, a slide and a rolling wheel assembly, the boom support comprises a first boom support and a second boom support, the cross-sections of the first boom support and the second boom support are semi-circular, and the specific steps include: (1) Welding the frame of the boom; (2) Lift the welded boom frame and place it on the first boom bracket; (3) Lift the second boom support and place it above the boom frame corresponding to the first boom support; (4) Fix the first boom bracket and the second boom bracket and clamp the boom; (5) Lift the boom bracket and place it on the slide; (6) Weld the boom branch pipe to the boom frame; (7) During the welding process, the angle of the boom is rotated according to the welding position of the current boom branch pipe to ensure that each welding is in a flat welding state; (8) When the boom needs to be rotated; (81) driving the boom bracket to rotate via the roller assembly; (82) The boom bracket rotates on the slide to adjust the angle of the boom.

2. A method for adjusting the position of a boom for facilitating welding according to claim 1, characterized in that: The first boom bracket and the second boom bracket are close to each other to form a boom bracket with an accommodating space in the center; a boom is placed in the accommodating space, the first boom bracket and the second boom bracket are close to each other and clamp the boom, a first clamping plate is provided at both ends of the first boom bracket, and a second clamping plate is provided at both ends of the second boom bracket, and the first clamping plate and the second clamping plate clamp the boom.

3. A method for adjusting the position of a boom for facilitating welding according to claim 2, characterized in that: One or more connecting holes are provided on the first clamping plate and the second clamping plate, and fixing components are provided in the connecting holes. The first boom bracket and the second boom bracket are brought close to each other and clamp the boom through the fixing components.

4. A method for adjusting the position of a boom for facilitating welding according to claim 3, characterized in that: A first inwardly recessed clamping plate is provided at both ends of the inner side wall of the first boom bracket, and a second inwardly recessed clamping plate is provided at both ends of the inner side wall of the second boom bracket. The first clamping plate and the second clamping plate are arranged to clamp the four corners of the boom.

5. The method for adjusting the position of a boom for facilitating welding according to claim 1, characterized in that: A first reinforcing rib is provided on the inner side wall of the first boom bracket, and the first reinforcing rib is located between the first clamping plate and the outer side wall of the first boom bracket.

6. A method for adjusting the position of a suspension arm for facilitating welding according to claim 5, characterized in that: A second reinforcing rib is provided on the inner side wall of the second boom bracket, and the second reinforcing rib is located between the second clamping plate and the outer side wall of the second boom bracket.

7. A method for adjusting the position of a suspension arm for facilitating welding according to claim 6, characterized in that: An accommodating space for accommodating the boom is formed between the first reinforcing rib, the second reinforcing rib, the first clamping plate and the second clamping plate.

8. The method for adjusting the position of a suspension arm for facilitating welding according to claim 6, characterized in that: A hoisting space is provided between the first reinforcing ribs at both ends of the first boom bracket and between the second reinforcing ribs at both ends of the second boom bracket.

9. The method for adjusting the position of a boom for facilitating welding according to claim 1, characterized in that: A slide is provided under the boom bracket, and the outer side wall of the boom bracket is slidably arranged on the slide. Rolling wheel assemblies are provided on both sides of the slide. The rolling wheel assemblies are frictionally connected with the outer side wall of the boom bracket, and the rolling wheel assemblies drive the boom bracket to roll on the slide.

10. The method for adjusting the position of a suspension arm for facilitating welding according to claim 1, characterized in that: The rolling wheel assembly includes a driving motor and a rolling wheel, wherein the rolling wheel is arranged on a driving shaft of the driving motor, and a rolling surface of the rolling wheel is frictionally connected to an outer side wall of the boom bracket; step (71) specifically includes the driving motor driving the rolling wheel to rotate, thereby driving the boom bracket to slide on the slide.

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