Steel structure welding positioning equipment for foundation engineering

Abstract

The invention belongs to the technical field of welding positioning, and particularly relates to steel structure welding positioning equipment for foundation engineering, which comprises a plurality of positioning seats, connecting rods are rotatably arranged at two ends of each positioning seat, a universal coupling is arranged between every two adjacent connecting rods, a fixing mechanism is arranged between one universal coupling and the corresponding connecting rod, and a positioning mechanism is arranged between the other universal coupling and the corresponding connecting rod. According to the steel structure welding and positioning equipment for foundation engineering, the multiple positioning seats are linked through the connecting rods rotationally arranged at the two ends and the universal couplings between the adjacent connecting rods, and synchronous rotation of the multiple connecting rods can be achieved; the floating clamping jaws on the positioning seats are driven synchronously to clamp the steel structure, a traditional bolt fastening mode is replaced, bolts do not need to be tightened and loosened repeatedly, operation is convenient and efficient, it can be guaranteed that the floating clamping jaws are uniform in clamping force and synchronous in displacement, and the situation that the steel structure is damaged due to too tight local clamping or the positioning precision is affected due to too loose clamping is effectively avoided.

Description

Technical Field

[0001] This invention belongs to the field of welding positioning technology, specifically relating to welding positioning equipment for steel structures used in foundation engineering. Background Technology

[0002] Steel structures for foundation engineering use high-strength steel as the core load-bearing material. Through components such as steel piles, steel supports, steel foundations, and embedded anchors, they bear the load transfer from the superstructure, provide foundation pit support, and anchor the structure. They offer advantages such as light weight, high load-bearing capacity, good seismic toughness, rapid construction, and recyclability, significantly reducing the risk of foundation settlement and adapting to complex geological conditions and heavy-load conditions. Welding, as a key connection process for steel structure foundations, enables seamless, rigid, and integrated connections between components, ensuring smooth force flow and joint strength, and improving the overall integrity and durability of the foundation. It is a core technical guarantee for ensuring the safety, stability, and long-term reliability of the foundation.

[0003] In the welding and positioning of steel columns in foundation engineering, the commonly used fixing method is ear plate + double clamp plate + bolt. This method requires pre-welding the ear plate and making matching clamp plates. Bolting on the construction site is cumbersome. After welding, the ear plate needs to be cut, the weld seam needs to be ground and the paint needs to be touched up. This is not only time-consuming and labor-intensive, but also increases costs and is easy to damage the steel column body. Therefore, a convenient and quick steel structure welding equipment that can be disassembled and reused is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a reusable and easy-to-disassemble steel structure welding positioning device for foundation engineering in order to solve the above-mentioned problems.

[0005] The present invention achieves the above objectives through the following technical solutions: A steel structure welding positioning device for foundation engineering includes multiple positioning seats. Connecting rods are rotatably mounted at both ends of each positioning seat. Universal couplings are installed between adjacent connecting rods. A fixing mechanism is provided between the universal couplings and the connecting rods on one of the positioning seats. Connecting mechanisms are provided at both ends of each positioning seat. Each connecting mechanism includes a screw rotatably mounted on the positioning seat. A splined shaft, slidably mounted on the positioning seat, is threaded onto the screw. A floating gripper is rotatably mounted at the end of the splined shaft. An adjusting mechanism is provided between the splined shaft and the connecting rods. The adjusting mechanism drives the connecting rods to rotate, thereby causing the splined shaft to rotate synchronously. Magnetic attraction mechanisms are symmetrically arranged on one of the positioning seats.

[0006] As a further optimization of the present invention, spline sleeves are fixedly provided through both ends of the positioning seat, the spline shaft is slidably disposed in the spline sleeves, and the spline shaft is slidably connected to the positioning seat through the spline sleeves.

[0007] As a further optimization of the present invention, the adjusting mechanism includes an adjusting rod, which is rotatably mounted on the positioning seat. A knob is fixedly mounted on the adjusting rod. A bevel gear B is fixedly mounted on both the adjusting rod and the screw. A bevel gear A is fixedly mounted on the connecting rod. The bevel gear A meshes with the bevel gear B.

[0008] As a further optimization of the present invention, one end of the connecting rod on one of the positioning seats is fixedly provided with an embedded block, and the embedded block has a polygonal hole A.

[0009] As a further optimization of the present invention, one end of the pair of universal couplings is provided with a connecting groove, the embedded block is movably embedded in the connecting groove, and one end of the universal coupling is provided with a polygonal hole B.

[0010] As a further optimization of the present invention, the fixing mechanism includes a top plate, with extension rods fixedly installed at both ends of the top plate. The top plate is connected to a universal coupling through the extension rods. A second spring is connected to the top plate, and a handle is fixedly installed at the other end of the second spring. A polygonal column is fixedly installed at the lower end of the handle.

[0011] As a further optimization of the present invention, the polygonal column is matched with polygonal hole B and polygonal hole A, the polygonal column is slidably disposed in polygonal hole B, and the polygonal column is movably embedded in polygonal hole A.

[0012] As a further optimization of the present invention, the magnetic attraction mechanism includes a connecting sleeve, which is fixedly disposed at both ends of the positioning seat. A sliding column is slidably disposed inside the connecting sleeve, and a spring is disposed between the sliding column and the positioning seat. A permanent magnet is fixedly disposed at the end of the sliding column away from the spring.

[0013] As a further optimization of the present invention, the floating gripper includes a mounting frame, the mounting frame being rotatably connected to the spline shaft, a first floating seat being slidably disposed in an arc on the mounting frame, a plurality of second floating seats being slidably disposed in an arc on the first floating seat, and a plurality of third floating seats being slidably disposed in an arc on the second floating seat.

[0014] The beneficial effects of this invention are as follows: 1. Unlike existing technologies, multiple positioning seats are linked together through connecting rods that rotate at both ends and universal couplings between adjacent connecting rods. This enables the synchronous rotation of multiple connecting rods, which in turn drives the floating grippers on each positioning seat to clamp the steel structure. This replaces the traditional bolt fastening method, eliminating the need for repeated tightening and loosening of bolts. This not only makes the operation convenient and efficient, but also ensures that the clamping force of each floating gripper is uniform and the displacement is synchronized. It effectively avoids damage to the steel structure due to excessive local clamping or affecting the positioning accuracy due to excessively loose clamping.

[0015] 2. Unlike existing technologies, the positioning seat can be quickly and initially fixed by a symmetrically arranged magnetic attraction mechanism on the positioning seat. The spring between the sliding column and the positioning seat in the magnetic attraction mechanism can keep the permanent magnet magnetically levitating on the surface of the steel structure, ensuring the stability of the initial fixation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the positioning seat structure of the present invention; Figure 3 This is the present invention. Figure 2 Schematic diagram of partial cross-section; Figure 4 This is an exploded view of the connection mechanism of the present invention; Figure 5 This is a schematic diagram of the explosive structure of the floating gripper of the present invention; Figure 6 This is a partial cross-sectional view of the connecting sleeve structure of the present invention; Figure 7 This is a schematic diagram of the fixing mechanism structure of the present invention; Figure 8 This is the present invention. Figure 7 Schematic diagram of the exploded structure.

[0017] In the diagram: 1. Positioning seat; 2. Connecting rod; 21. Embedded block; 22. Polygonal hole A; 3. Magnetic attraction mechanism; 31. Connecting sleeve; 32. Sliding column; 33. Permanent magnet; 34. Spring one; 4. Floating gripper; 41. Mounting bracket; 42. Floating seat one; 43. Floating seat two; 44. Floating seat three; 5. Connecting mechanism; 51. Screw; 52. Splined shaft; 53. Splined sleeve; 6. Adjusting mechanism; 61. Bevel gear A; 62. Bevel gear B; 63. Adjusting rod; 7. Universal coupling; 71. Connecting groove; 72. Polygonal hole B; 8. Fixing mechanism; 81. Top plate; 811. Extension rod; 82. Spring two; 83. Handle; 84. Polygonal column. Detailed Implementation

[0018] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0019] Example 1, such as Figure 1 - Figure 2 and Figure 7 - Figure 8As shown, the steel structure welding positioning equipment for foundation engineering includes multiple positioning seats 1. Connecting rods 2 are rotatably mounted at both ends of each positioning seat 1. Universal couplings 7 are installed between adjacent connecting rods 2. One end of a connecting rod 2 on one positioning seat 1 is fixedly fitted with an embedded block 21. The embedded block 21 has a polygonal hole A22, and one end of the corresponding universal coupling 7 has a connecting groove 71. The embedded block 21 is movably embedded in the connecting groove 71. One end of the universal coupling 7 has a polygonal hole B72. A fixing mechanism 8 is installed between the universal coupling 7 and the connecting rod 2. The multiple positioning seats 1 are connected by... The connecting rods 2 at both ends are connected and can be flexibly arranged around the steel structure to be welded, adapting to the welding positioning requirements of steel structures of different sizes; the fitting and embedding of the embedded block 21 and the connecting groove 71 can quickly achieve the initial docking of the connecting rod 2 and the universal coupling 7; the corresponding setting of the polygonal hole A22 and the polygonal hole B72 provides precise positioning for the subsequent installation of the fixing mechanism 8, ensuring that the connecting rod 2 and the universal coupling 7 will not rotate relative to each other after connection, ensuring the stability of power transmission; the setting of the universal coupling 7 can compensate for the angular deviation between adjacent connecting rods 2 and allow multiple connecting rods 2 to rotate synchronously.

[0020] like Figure 7 - Figure 8 As shown, the fixing mechanism 8 includes a top plate 81, with extension rods 811 fixedly installed at both ends of the top plate 81. The top plate 81 is connected to the universal coupling 7 via the extension rods 811. A second spring 82 is connected to the top plate 81, and a handle 83 is fixedly installed at the other end of the second spring 82. A polygonal post 84 is fixedly installed at the lower end of the handle 83. The polygonal post 84 matches the polygonal hole B72 and the polygonal hole A22. The polygonal post 84 is slidably installed in the polygonal hole B72 and movably embedded in the polygonal hole A22. 1. The extension rod 811 is securely connected to the universal coupling 7, providing a stable installation base for the fixing mechanism 8. The handle 83 facilitates operation by construction personnel. By lifting the handle 83, the polygonal column 84 and the polygonal hole A22 can be quickly separated, realizing the quick disassembly of the connecting rod 2 and the universal coupling 7. Conversely, by releasing the handle 83, the elastic restoring action of the spring 82 can drive the polygonal column 84 to accurately embed into the polygonal hole A22 and the polygonal hole B72, quickly completing the fixation of the two without the need for additional fastening tools, making the operation convenient and efficient.

[0021] like Figure 2 - Figure 4As shown, the positioning seat 1 has connecting mechanisms 5 at both ends. Each connecting mechanism 5 includes a screw 51 rotatably mounted on the positioning seat 1, a splined shaft 52 threaded onto the screw 51, and splined sleeves 53 fixedly mounted through both ends of the positioning seat 1. The splined shaft 52 is slidably mounted within the splined sleeves 53, and a floating gripper 4 is rotatably mounted at the end of the splined shaft 52. The splined shaft 52 is slidably connected to the positioning seat 1 via the splined sleeves 53. The threaded connection between the screw 51 and the splined shaft 52 converts the rotation of the screw 51 into a splined rotation. The linear sliding of shaft 52 drives the floating gripper 4 to approach or move away from the steel structure, realizing clamping and releasing actions with precise and stable transmission. The spline sleeve 53 guides and limits the sliding of spline shaft 52, preventing the spline shaft 52 from deviating or shaking during sliding, ensuring that the spline shaft 52 drives the floating gripper 4 to accurately align with the steel structure, improving the accuracy of clamping and positioning. At the same time, the spline connection method can prevent the spline shaft 52 from rotating synchronously with the screw 51, ensuring the reliability of the movement of spline shaft 52.

[0022] like Figure 5 As shown, the floating gripper 4 includes a mounting frame 41, which is rotatably connected to the spline shaft 52. A first floating seat 42 is slidably mounted on the mounting frame 41 in an arc shape. Multiple second floating seats 43 are slidably mounted on the first floating seat 42 in an arc shape, and multiple third floating seats 44 are slidably mounted on the second floating seat 43 in an arc shape. The floating gripper 4 is rotatably mounted at the end of the spline shaft 52 and can flexibly adjust its angle according to the placement angle of the steel structure, adapting to steel structures with different placement postures and expanding the equipment's adaptability range. The arc-shaped sliding arrangement of the first floating seat 42, second floating seat 43, and third floating seat 44 on the mounting frame 41 allows the floating gripper 4 to flexibly conform to the surface of steel structures of different shapes (such as square, round, and irregular shapes), increasing the clamping contact area, improving clamping stability, and preventing the steel structure from sliding during clamping. The multiple floating seats can disperse the clamping force, preventing excessive local clamping that could damage the steel structure surface. They can also adapt to the slight unevenness of the steel structure surface, further improving the accuracy of clamping and positioning, and providing a stable positioning basis for welding operations.

[0023] like Figure 3As shown, an adjustment mechanism 6 is provided between the spline shaft 52 and the connecting rod 2. The adjustment mechanism 6 includes an adjustment rod 63, which is rotatably mounted on the positioning seat 1. A knob is fixedly mounted on the adjustment rod 63. Both the adjustment rod 63 and the screw 51 are fixedly mounted with bevel gears B62, and the connecting rod 2 is fixedly mounted with bevel gears A61. Bevel gears A61 and B62 mesh. The knob on the adjustment rod 63 is easy for construction personnel to operate manually without the need for complicated tools, reducing the difficulty of operation. The meshing transmission of bevel gears A61 and B62 can convert the rotation direction of the connecting rod 2 into the rotation direction of the screw 51, realizing the transmission of power and ensuring that the screw 51 can be driven to rotate synchronously when the connecting rod 2 rotates. At the same time, by rotating the adjustment rod 63, the spline shaft 52 at different positions on the corresponding positioning seat 1 can be individually adjusted for displacement, which is convenient for fine-tuning the position and clamping force of the floating jaw 4 according to the actual clamping requirements, improving the flexibility of equipment operation and the accuracy of positioning. Moreover, the bevel gear transmission structure is compact and has high transmission efficiency, which can ensure the long-term stable operation of the equipment.

[0024] like Figure 6 As shown, a magnetic attraction mechanism 3 is symmetrically arranged on one of the positioning seats 1. The magnetic attraction mechanism 3 includes a connecting sleeve 31, which is fixedly installed at both ends of the positioning seat 1. A sliding column 32 is slidably installed inside the connecting sleeve 31. A spring 34 is installed between the sliding column 32 and the positioning seat 1. A permanent magnet 33 is fixedly installed at the end of the sliding column 32 away from the spring 34. The spring 34 between the sliding column 32 and the positioning seat 1 enables the permanent magnet 33 to always be magnetically attracted to the surface of the steel structure when the relative distance between the positioning seat 1 and the steel structure changes, ensuring the stability of the initial fixation. The connecting sleeve 31 guides and limits the sliding column 32, preventing the permanent magnet 33 from shifting due to the shaking of the sliding column 32, ensuring the accuracy of the adsorption and positioning. The adsorption of the permanent magnet 33 does not require additional power, is easy to operate and can be reused. Compared with traditional bolt fixing, it greatly saves the time of initial positioning.

[0025] The working principle of the steel structure welding positioning equipment for this foundation project is as follows: First, the corresponding positioning seat 1 is attracted to the steel structure by the magnetic attraction mechanism 3 symmetrically arranged on the positioning seat 1. The permanent magnet 33 in the magnetic attraction mechanism 3 will always be magnetically levitated on the surface of the steel structure through the spring 34 between the sliding column 32 and the positioning seat 1, ensuring the initial fixation stability of the positioning seat 1. Then, multiple positioning seats 1 are wrapped around the outside of the steel structure to be welded by the connecting rod 2 with rotating ends. The polygonal column 84 is lifted by the handle 83. Then, the embedding block 21 at one end of one of the connecting rods 2 is embedded into the connecting groove 71 at one end of the adjacent universal coupling 7, so that the polygonal column 84 is embedded into the polygonal hole A22 on the embedding block 21. The elastic reset action of the spring 82 keeps the polygonal column 84 in the embedded state. At the same time, the top plate 81 is connected to the universal coupling 7 through the extension rod 811 to ensure that the fixing mechanism 8 is installed firmly. Next, the position of the positioning seat 1 is adjusted so that the floating claws 4 in the connecting mechanism 5 at both ends of the positioning seat 1 correspond to the two steel structures to be welded, respectively. In mechanism 5, the spline shaft 52 is slidably mounted within the spline sleeves 53 that are fixed through both ends of the positioning seat 1, and the floating grippers 4 are rotatably mounted at the ends of the spline shaft 52. Then, by rotating the knob on the adjusting rod 63, the adjusting rod 63 is driven to rotate through the positioning seat 1. The bevel gear B62 fixed on the adjusting rod 63 and the screw 51 meshes with the bevel gear A61 fixed on the connecting rod 2, thereby driving the screw 51 to rotate synchronously. When the screw 51 rotates, the spline shaft 52 slides on the spline sleeve 53, thereby driving multiple floating grippers 4 to move the steel structure... The system uses a floating gripper 4, which is rotatably connected to the spline shaft 52 via a mounting bracket 41. It can adapt to different shapes of steel structures by sliding the floating seats 42, 43, and 44 in an arc shape. If the floating gripper 4 is rotated to a horizontal position, it can also stably clamp cylindrical steel structures. At the same time, the adjacent connecting rods 2 rotate synchronously through the universal coupling 7 and drive the floating gripper 4 to move. Finally, after the two steel structures to be welded are accurately clamped and positioned by multiple floating grippers 4, welding operations can be performed on them using a welding gun.

[0026] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A steel structure welding positioning device for foundation engineering, comprising multiple positioning seats (1), characterized in that: The positioning seat (1) is rotatably provided with connecting rods (2) at both ends. A universal coupling (7) is provided between adjacent connecting rods (2). A fixing mechanism (8) is provided between the universal coupling (7) and the connecting rod (2) on one of the positioning seats (1). A connecting mechanism (5) is provided at both ends of the positioning seat (1). The connecting mechanism (5) includes a screw (51) rotatably provided on the positioning seat (1). A spline shaft (52) slidably provided on the positioning seat (1) is threaded on the screw (51). A floating gripper (4) is rotatably provided at the end of the spline shaft (52). An adjustment mechanism (6) is provided between the spline shaft (52) and the connecting rod (2). The connecting rod (2) is driven to rotate by the adjustment mechanism (6), thereby making the spline shaft (52) rotate synchronously. A magnetic suction mechanism (3) is symmetrically provided on one of the positioning seats (1).

2. The steel structure welding positioning equipment for foundation engineering according to claim 1, characterized in that: The positioning seat (1) has a spline sleeve (53) fixedly installed through both ends. The spline shaft (52) is slidably installed in the spline sleeve (53). The spline shaft (52) is slidably connected to the positioning seat (1) through the spline sleeve (53).

3. The steel structure welding positioning equipment for foundation engineering according to claim 1, characterized in that: The adjustment mechanism (6) includes an adjustment rod (63), which is rotatably mounted on the positioning seat (1). A knob is fixedly mounted on the adjustment rod (63). A bevel gear B (62) is fixedly mounted on both the adjustment rod (63) and the screw (51). A bevel gear A (61) is fixedly mounted on the connecting rod (2). The bevel gear A (61) meshes with the bevel gear B (62).

4. The steel structure welding positioning equipment for foundation engineering according to claim 1, characterized in that: One end of the connecting rod (2) on one of the positioning seats (1) is fixedly provided with an embedded block (21), and the embedded block (21) has a polygonal hole A (22).

5. The steel structure welding positioning equipment for foundation engineering according to claim 4, characterized in that: One end of one pair of universal couplings (7) is provided with a connecting groove (71), the embedded block (21) is movably embedded in the connecting groove (71), and one end of the universal coupling (7) is provided with a polygonal hole B (72).

6. The steel structure welding positioning equipment for foundation engineering according to claim 5, characterized in that: The fixing mechanism (8) includes a top plate (81), with extension rods (811) fixedly installed at both ends of the top plate (81). The top plate (81) is connected to the universal coupling (7) through the extension rods (811). A second spring (82) is connected to the top plate (81). A handle (83) is fixedly installed at the other end of the second spring (82). A polygonal column (84) is fixedly installed at the lower end of the handle (83).

7. The steel structure welding positioning equipment for foundation engineering according to claim 6, characterized in that: The polygonal column (84) matches the polygonal hole B (72) and the polygonal hole A (22). The polygonal column (84) is slidably disposed in the polygonal hole B (72) and the polygonal column (84) is movably embedded in the polygonal hole A (22).

8. The steel structure welding positioning equipment for foundation engineering according to claim 1, characterized in that: The magnetic attraction mechanism (3) includes a connecting sleeve (31), which is fixedly installed at both ends of the positioning seat (1). A sliding column (32) is slidably installed inside the connecting sleeve (31). A spring (34) is installed between the sliding column (32) and the positioning seat (1). A permanent magnet (33) is fixedly installed at the end of the sliding column (32) away from the spring (34).

9. The steel structure welding positioning equipment for foundation engineering according to claim 1, characterized in that: The floating gripper (4) includes a mounting bracket (41), which is rotatably connected to the spline shaft (52). A first floating seat (42) is slidably arranged on the mounting bracket (41), a plurality of second floating seats (43) are slidably arranged on the first floating seat (42), and a plurality of third floating seats (44) are slidably arranged on the second floating seat (43).

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