Steel structure building welding operation platform
By designing hooks, support rods, and worm gear mechanisms in the welding operation platform of steel structure buildings, the problems of discomfort and difficulty in reaching the position when welding at heights are solved, achieving comfortable, safe, and efficient welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-03-10
AI Technical Summary
Existing portable steel structure welding operation platforms cause arm and neck pain for operators when welding at heights, are labor-intensive, and make it difficult to reach the upper welding positions, resulting in poor practicality.
A steel structure welding operation platform was designed. The hook is set at the front of the bottom frame, and the support rod and crossbeam abut against the steel beam below for support. The bottom frame is flush with the steel beam. It is equipped with a liftable pull plate and worm gear mechanism to realize the height adjustment of the platform and ensure the comfort and safety of the operator.
It solves the problem of arm and neck pain for operators, ensures that all welding positions can be reached, and improves the convenience and safety of operation.
Smart Images

Figure CN223984233U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel structure building construction technology, and in particular to a steel structure building welding operation platform. Background Technology
[0002] Compared to traditional concrete buildings, steel structure buildings use steel plates or profiles instead of reinforced concrete, resulting in higher strength and better earthquake resistance. Furthermore, because components can be factory-fabricated and installed on-site, construction time is significantly reduced. The reusability of steel greatly reduces construction waste, making it more environmentally friendly. Therefore, it is widely adopted by countries around the world in both industrial and residential buildings.
[0003] In steel structure construction, it is often necessary to weld multiple steel beams between two adjacent steel columns to improve the column's strength. When welding steel beams at higher positions, a lifting platform is typically used to elevate the operators to a certain height for welding operations, but this method is costly.
[0004] A convenient steel structure welding operation platform is disclosed in Chinese patent CN219451415U. This platform has a reasonable structure, is easy to operate, convenient to install and disassemble, and is reusable, which can improve construction efficiency. However, while solving the problem, this convenient steel structure welding operation platform has the following drawbacks:
[0005] The inverted hook is located above one side of the base plate. Therefore, after the inverted hook is put on the steel beam, the distance between the base plate and the inverted hook is about 1.5 meters. As a result, the operator, standing on the base plate, is limited by his height. When continuing to weld the steel beam above the inverted hook, the operator usually needs to look up and raise his hands to operate. Therefore, the operation is inconvenient and can easily lead to sore arms and necks, and is labor-intensive. In some cases, the large distance between the steel beams may even prevent the operator from reaching the welding position on the upper steel beam. Therefore, its practicality is poor. Utility Model Content
[0006] The purpose of this utility model is to at least solve one of the technical defects described in the background art.
[0007] Therefore, one objective of this utility model is to propose a steel structure building welding operation platform, which aims to solve the problems of existing convenient steel structure welding operation platforms, such as easy to cause arm and neck pain for operators and wasting manpower, as well as the problem that operators may not be able to reach the welding position of the steel beams, resulting in poor practicality.
[0008] To achieve the above objectives, one embodiment of the present invention provides a steel structure building welding operation platform, including a base frame, hooks fixedly connected to the front of both sides of the base frame, a base plate installed inside the base frame, a support rod fixedly connected to the bottom of the front side of the base frame, a crossbeam fixedly connected to the bottom end of the support rod, and a guardrail fixedly connected to the top edge of the base frame.
[0009] The beneficial effects are as follows: the hook is set at the front of the bottom frame, and a support rod and crossbeam are set below the bottom frame. When the hook is hung on the uppermost steel beam, the support rod and crossbeam abut against the lower steel beam and column respectively, supporting the bottom frame. This allows the operator to stand on the bottom plate to perform welding operations. Since the bottom frame is flush with the uppermost steel beam when the operating platform is in use, the welder does not need to look up and raise their hands for a long time when welding the upper steel beam, thus avoiding the problems of hand and neck pain and labor consumption for the operator. It also ensures that the operator can reach the welding position of the upper steel beam, thus ensuring practicality.
[0010] Preferably, in any of the above embodiments, a diagonal rod is fixedly connected to the bottom of the rear side of the base frame, and the bottom end of the diagonal rod is fixedly connected to the support rod.
[0011] The beneficial effects are: the diagonal brace reinforces the support rod, thus preventing the support rod from deforming due to excessive force during use, which could lead to the bottom frame tilting and ensure safety.
[0012] Preferably, in any of the above embodiments, a sliding groove is fixedly connected to the bottom of the front side of the base frame, a pull plate is vertically connected inside the sliding groove, a notch is opened at the top of the pull plate, a positioning shaft is rotatably connected to the top of the pull plate, a hook is fixedly connected to the outer surface of the positioning shaft, a limit rod is fixedly connected to the outer surface of the positioning shaft, a limit block is fixedly connected to one side of the pull plate, positioning sleeves are rotatably connected to the front of both sides of the base frame, a hook is fixedly connected to the outer surface of the positioning sleeve, a limit rod is fixedly connected to the outer surface of the positioning sleeve, and a limit block is fixedly connected to both sides of the bottom of the base frame.
[0013] The beneficial effects are as follows: By setting up a liftable pull plate, when welding steel beams at higher positions and needing to raise the operating platform, the pull plate can be raised to raise the hook to the uppermost steel beam that has already been welded, and then the hook can be hung on the uppermost steel beam. By lowering the pull plate, the bottom frame can be raised until the hook on the bottom frame is hung on the uppermost steel beam, thereby realizing the raising of the operating platform and facilitating the operator to weld steel beams from bottom to top.
[0014] Preferably, in the above scheme, both the first limiting rod and the second limiting rod are in the shape of "<", and both the first limiting rod and the second limiting rod are fixedly connected to a counterweight.
[0015] The beneficial effects are as follows: the counterweight can press down the first and second limit rods, so that the hook and the hook can remain in a state of being able to hang on the steel beam without being subjected to downward pressure. Thus, when the operating platform is raised, the hook or the hook can be accurately hung on the steel beam without manually moving it, which facilitates the use when raising the platform.
[0016] Preferably, in the above scheme, a gear is rotatably connected to one side of the slide groove, a toothed groove is provided on one side of the pull plate, the gear meshes in the toothed groove, a rotating shaft is fixedly connected to the shaft center of the gear, a worm gear is fixedly connected to the outer surface of the rotating shaft, a transmission shaft is rotatably connected to the inside of the bottom frame, a worm gear meshing with the worm gear is fixedly connected to the bottom end of the transmission shaft, and an avoidance groove is provided on the front side of the bottom plate.
[0017] The beneficial effects are as follows: the lifting and lowering of the platform is driven by a worm gear and worm wheel. Because the worm and worm wheel have self-locking characteristics, if the drive shaft stops rotating during the lifting process, the worm can lock the worm wheel, so that the gear will not drop due to gravity and cause the operating platform to drop suddenly, thus improving safety.
[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0020] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model.
[0021] Figure 2 This is a schematic diagram of the bottom frame in Embodiment 1 of this utility model.
[0022] Figure 3 This is a schematic diagram of the structure of this utility model when it is hung on a steel beam.
[0023] Figure 4 This is a structural schematic diagram of Embodiment 2 of the present invention.
[0024] Figure 5 This is a schematic diagram of the bottom frame in Embodiment 2 of this utility model.
[0025] Figure 6 This is a schematic diagram of the structure of the pull plate in Embodiment 2 of this utility model.
[0026] The components are as follows: 1. Base frame, 11. Support rod, 12. Crossbeam, 13. Guardrail, 14. Diagonal bar, 15. Horizontal rib, 16. Longitudinal rib, 17. Slide groove, 2. Hook, 21. Positioning sleeve, 22. Limiting rod two, 23. Limiting block two, 3. Base plate, 31. Clearance groove, 4. Pull plate, 41. Tooth groove, 42. Notch, 43. Positioning shaft, 44. Pull hook, 45. Limiting rod one, 46. Limiting block one, 5. Gear, 51. Rotating shaft, 52. Worm gear, 53. Drive shaft, 54. Worm, 6. Steel column, 7. Steel beam, 8. Counterweight block. Detailed Implementation
[0027] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0029] This utility model provides a welding operation platform for steel structure buildings.
[0030] Example 1:
[0031] like Figure 1-3 As shown, it includes a base frame 1, hooks 2 are fixedly connected to the front of both sides of the base frame 1, a base plate 3 is installed inside the base frame 1, and a support rod 11 is fixedly connected to the bottom of the front side of the base frame 1, as shown. Figure 3 As shown, when the hook 2 is hung on the upper steel beam 7, the support rod 11 can rest against the lower steel beam 7, thereby supporting and positioning the bottom frame 1. The bottom end of the support rod 11 is fixedly connected to the crossbeam 12, which connects multiple support rods 11 together, improving the stability of the support rod 11. The crossbeam 12 can also rest against two adjacent steel columns 6, thereby further supporting the bottom frame 1 and ensuring its stability. The top edge of the bottom frame 1 is fixedly connected to the guardrail 13, which plays a protective role and provides safety for the operators. The bottom of the rear side of the bottom frame 1 is fixedly connected to the diagonal rod 14, and the bottom end of the diagonal rod 14 is fixedly connected to the support rod 11 to reinforce the support rod 11 and prevent the support rod 11 from bending and deforming due to excessive weight.
[0032] Preferably, multiple horizontal ribs 15 are fixedly connected to the bottom of the inner wall of the bottom frame 1. The bottom plate 3 is inserted into the bottom frame 1, and the bottom of the bottom plate 3 overlaps the top of the horizontal ribs 15, which facilitates the assembly and disassembly of the bottom plate 3. Multiple vertical ribs 16 are fixedly connected inside the bottom frame 1, and one end of the vertical rib 16 is fixedly connected to the horizontal rib 15. After the bottom plate 3 is placed in the bottom frame 1, the vertical ribs 16 support the edge of the bottom plate 3 to prevent one side of the bottom plate 3 from tilting up and causing the bottom plate 3 to fall out of the gap of the horizontal beam 15.
[0033] The working principle of this embodiment is as follows: When welding steel structure buildings, the operator first welds the steel beam 7 from the bottom of the two adjacent steel columns 6 on the ground. When the operator cannot reach the welding part, the operator uses the operating platform to hang the hook 2 at the front of the bottom frame 1 on the uppermost steel beam 7. The support rod 11 rests on the lower steel beam 7, and the crossbeam 12 rests on the two adjacent steel columns 6, thereby providing stable support for the bottom frame 1. The operator can then climb onto the bottom plate 3 to carry out the welding operation.
[0034] Example 2:
[0035] like Figure 4-6 As shown, based on Embodiment 1, a slide groove 17 is fixedly connected to the bottom of the front side of the base frame 1. A pull plate 4 is vertically connected inside the slide groove 17. A notch 42 is opened at the top of the pull plate 4. A positioning shaft 43 is rotatably connected to the top of the pull plate 4. A hook 44 is fixedly connected to the outer surface of the positioning shaft 43. The hook 44 can rotate within the notch 42 through the positioning shaft 43. A limit rod 45 is fixedly connected to the outer surface of the positioning shaft 43. A limit block 46 is fixedly connected to one side of the pull plate 4. When the hook 44 rotates upward at a certain angle... After a certain angle, the limiting rod 45 abuts against the limiting block 36, preventing the hook 44 from rotating further. The front of both sides of the bottom frame 1 is rotatably connected to the positioning sleeve 21, and the hook 2 is fixedly connected to the outer surface of the positioning sleeve 21. The outer surface of the positioning sleeve 21 is fixedly connected to the limiting rod 22, and the bottom of the bottom frame 1 is fixedly connected to the limiting block 23. The hook 2 can rotate with the positioning sleeve 21, and when the hook 2 rotates upward at a certain angle, the limiting rod 22 abuts against the limiting block 23, preventing the hook 2 from rotating further.
[0036] Preferably, both the first limiting rod 45 and the second limiting rod 22 are in the shape of "<", and the ends of both the first limiting rod 45 and the second limiting rod 22 are fixedly connected to a counterweight 8, so that when the hook 2 or the pull hook 44 receives a downward force, the hook 2 or the pull hook 44 can rotate downward. When the hook 2 or the pull hook 44 loses the force, the counterweight 8 will press down on the hook 2 or the pull hook 44, so that the hook 2 or the pull hook 44 returns to the state where it can be hung on the crossbeam 7.
[0037] The working principle of this embodiment is as follows: When the operator has welded the steel beam 7, and needs to continue welding the steel beam 7 to a higher height, the pull plate 4 is raised, causing the hook 44 to rise. After the hook 44 touches the bottom of the uppermost steel beam 7, the pull plate 4 continues to rise, and the hook 4 will rotate downward. When the hook 4 is higher than the uppermost steel beam 7, the counterweight 8 presses down the limit rod 45, causing the hook 44 to rotate. At this time, the pull plate 4 is lowered, and the hook 44 is hung on the uppermost crossbeam 7. The pull plate 4 continues to be lowered, which can raise the bottom frame 1 until the hook 2 passes the uppermost steel beam 7. Then, after lowering a certain height, the hook 2 is hung on the uppermost steel beam 7, thus completing the raising of the bottom frame 1. At this time, the welding of the upper steel beam 7 can continue.
[0038] Example 3:
[0039] like Figure 5-6 As shown, based on Embodiment 1 or Embodiment 2, a gear 5 is rotatably connected to one side of the slide 17, and a toothed groove 41 is provided on one side of the pull plate 4. The gear 5 meshes in the toothed groove 41. By rotating the gear 5 forward and backward, the pull plate 4 can be driven to rise or fall through the toothed groove 41. A rotating shaft 51 is fixedly connected to the shaft center of the gear 5, and a worm gear 52 is fixedly connected to the outer surface of the rotating shaft 51. A transmission shaft 53 is rotatably connected inside the bottom frame 1. A handle can be connected to the top of the transmission shaft 53. By manually rotating the transmission shaft 53, an electric motor can be installed on the bottom frame 1 or the guardrail 13. The machine connects the output shaft of the motor to the drive shaft 53, causing the motor to drive the drive shaft 53 to rotate. The bottom end of the drive shaft 53 is fixedly connected to a worm 54 that meshes with the worm gear 52. The drive shaft 53 drives the worm 54 to rotate, which in turn drives the worm gear 52 to rotate, thereby driving the gear 5 to rotate, achieving the purpose of raising and lowering the pull plate 4. The worm gear 52 and the worm 54 have a self-locking function, which can prevent the gear 5 from rotating due to gravity, causing the platform to drop suddenly. The front side of the base plate 3 is provided with a clearance groove 31 to avoid the drive shaft 53 and the pull plate 4.
[0040] The working principle of this embodiment is as follows: In use, by rotating the transmission shaft 53, the worm 54 drives the worm wheel 52 to rotate, which in turn drives the gear 5 to rotate, thereby driving the pull plate 4 to rise or fall.
Claims
1. A steel structure building welding operation platform comprising a bottom frame (1), characterized in that, The front part of both sides of the bottom frame (1) is fixedly connected with a hook (2), the inside of the bottom frame (1) is provided with a bottom plate (3), the bottom of the front side of the bottom frame (1) is fixedly connected with a supporting rod (11), the bottom end of the supporting rod (11) is fixedly connected with a cross beam (12), the edge of the top of the bottom frame (1) is fixedly connected with a guardrail (13), the bottom of the front side of the bottom frame (1) is fixedly connected with a sliding groove (17), the inside of the sliding groove (17) is liftably connected with a pull plate (4), the top of the pull plate (4) is provided with an opening (42), the top of the pull plate (4) is rotatably connected with a positioning shaft (43), the outer surface of the positioning shaft (43) is fixedly connected with a pull hook (44), the outer surface of the positioning shaft (43) is fixedly connected with a limiting rod one (45), one side of the pull plate (4) is fixedly connected with a limiting block one (46), one side of the sliding groove (17) is rotatably connected with a gear (5), one side of the pull plate (4) is provided with a gear slot (41), the gear (5) is engaged in the gear slot (41), the shaft center of the gear (5) is fixedly connected with a rotating shaft (51), the outer surface of the rotating shaft (51) is fixedly connected with a worm wheel (52), the inside of the bottom frame (1) is rotatably connected with a transmission shaft (53), the bottom end of the transmission shaft (53) is fixedly connected with a worm (54) engaged with the worm wheel (52), the front side of the bottom plate (3) is provided with an avoiding groove (31).
2. The steel construction building welding operation platform according to claim 1, wherein, The bottom of the rear side of the bottom frame (1) is fixedly connected with an inclined rod (14), the bottom end of the inclined rod (14) is fixedly connected with the supporting rod (11).
3. The steel building welding platform of claim 1, wherein, The bottom of the inner wall of the bottom frame (1) is fixedly connected with a plurality of horizontal ribs (15), the bottom plate (3) is inserted into the bottom frame (1), and the bottom of the bottom plate (3) is overlapped on the top of the horizontal rib (15).
4. The steel construction building welding operation platform according to claim 3, wherein, The inside of the bottom frame (1) is fixedly connected with a plurality of longitudinal ribs (16), and one end of the longitudinal rib (16) is fixedly connected with the horizontal rib (15).
5. The steel construction building welding operation platform according to claim 1, wherein, The front part of both sides of the bottom frame (1) is rotatably connected with a positioning sleeve (21), the hook (2) is fixedly connected to the outer surface of the positioning sleeve (21), the outer surface of the positioning sleeve (21) is fixedly connected with a limiting rod two (22), and the bottom of both sides of the bottom frame (1) is fixedly connected with a limiting block two (23).
6. The steel construction building welding operation platform according to claim 5, wherein, The limiting rod one (45) and the limiting rod two (22) are both "<" shape, and the end of the limiting rod one (45) and the limiting rod two (22) is fixedly connected with a counterweight (8).
Citation Information
Patent Citations
Portable steel structure welding operation platform
CN219451415U