A rapid correction equipment for welding steel cages in pile foundations

Abstract

This invention relates to the field of rebar cage welding equipment technology, specifically to a rapid correction equipment for welding pile foundation rebar cages. It includes a rebar fixing assembly and a rebar spot welding assembly located on one side of the rebar fixing assembly. The rebar fixing assembly includes a main fixing bracket and a first fixing member and a second fixing member fixedly connected to the main fixing bracket. The rebar spot welding assembly includes a control member fixedly connected to the main fixing bracket, and a welding machine for rebar spot welding is slidably mounted on the control member. In this invention, the longitudinal main bars and reinforcing bars are clamped by mutually perpendicular fixing members, and the positioning correction is completed synchronously using the sliding linkage clamping structure of the welding machine. This effectively controls the angular error between the two, ensuring the verticality of the rebar after welding and significantly improving the welding quality of the pile foundation rebar cage. Simultaneously, it eliminates the need for repeated manual calibration, simplifying on-site operation steps and effectively improving the efficiency of spot welding operations for the main bars and reinforcing bars.

Description

Technical Field

[0001] This invention relates to the field of steel cage welding equipment technology, and more specifically, to a rapid correction equipment for welding steel cages for pile foundations. Background Technology

[0002] A pile foundation reinforcement cage is a precast component made of welded steel bars, typically used in column-shaped or strip-shaped concrete piles. Its core function is to compensate for insufficient tensile strength of concrete, forming an integral load-bearing structure through bonding with the concrete. It is widely used in pile foundations, bridge and culvert foundations, and high-rise building foundation construction.

[0003] During the on-site welding and fabrication of rebar cages, the longitudinal main bars need to be spot-welded point by point around and to the outside of the reinforcing bars, and the two must be strictly perpendicular to each other to ensure the geometric accuracy and uniform stress distribution of the rebar cage. In existing technology, the calibration of this perpendicularity mainly relies on manual visual inspection and spot welding with a handheld welding gun. This method of operation is not only highly dependent on the operator's skill level and has low calibration efficiency, but also the longitudinal main bars are very prone to deflection due to their own weight or accidental impact during actual welding, resulting in angular deviations in many weld spots. Rework and correction after welding is time-consuming and laborious, and repeated bending can also cause hidden damage to the rebar.

[0004] To improve positioning accuracy, positioning fixtures driven by independent cylinders or lead screws are being introduced in some applications to constrain longitudinal main ribs and reinforcing ribs separately before welding. However, these fixtures require precise timing coordination with the movement and arc initiation of the welding torch, necessitating the addition of a complete electrical control system including sensors, solenoid valves, and programmable controllers. In the high-dust, high-vibration, and unstable power supply environments of pile foundation construction sites, the failure rate of electrical components increases significantly, making control cycle matching extremely difficult. If the response is delayed or the signal is out of sync, situations can easily arise where the welding torch is in position but the fixture is not yet clamped, the longitudinal main rib slips during spot welding, or the fixture loosens prematurely, causing the high-temperature weld to tear.

[0005] In addition, most existing positioning clamps only apply constraints from a single direction, and cannot simultaneously center and clamp two perpendicular steel bars. Manual adjustment is still required to approximate the perpendicular relationship, which does not eliminate the accumulation of angular errors. Summary of the Invention

[0006] The purpose of this invention is to solve the problems in the prior art, such as low correction efficiency and large angle deviation caused by manual straightening during spot welding of longitudinal main bars and reinforcing bars in pile foundation steel cages, and the inability of existing clamps to simultaneously clamp and automatically correct two perpendicular steel bars, and the difficulty in eliminating the accumulation of angle errors.

[0007] To achieve the above objectives, the present invention aims to provide a rapid correction equipment for welding reinforcing cages of pile foundations, comprising a reinforcing cage fixing assembly and a reinforcing cage spot welding assembly disposed on one side of the reinforcing cage fixing assembly; the reinforcing cage fixing assembly includes a main fixing bracket, and a first fixing member and a second fixing member fixedly connected to the main fixing bracket, the first fixing member and the second fixing member being arranged perpendicularly to each other on the main fixing bracket, the first fixing member being used to clamp and fix longitudinal main reinforcing bars, and the second fixing member being used to clamp and fix reinforcing bars; the reinforcing cage spot welding assembly includes a control member fixedly connected to the main fixing bracket, the control member being slidably fitted with a welding machine for reinforcing cage spot welding operations, and the control member simultaneously slidingly engaging with the first fixing member and the second fixing member; When the welding machine slides along the control component, the control component synchronously drives the first fixing component to clamp the longitudinal main rib and the second fixing component to clamp the reinforcing rib, so that the longitudinal main rib and the reinforcing rib remain perpendicular.

[0008] As a further improvement to this technical solution, the main fixing bracket is fixedly connected to the secondary fixing brackets on all four sides, and the adjacent secondary fixing brackets are perpendicular to each other; the first fixing member and the second fixing member are each provided with two clamps, which are used to clamp the longitudinal main ribs or reinforcing ribs; the two clamps of the first fixing member are fixed to the left and right secondary fixing brackets, and the two clamps of the second fixing member are fixed to the upper and lower secondary fixing brackets; the left and right secondary fixing brackets extend outward to provide handles.

[0009] As a further improvement to this technical solution, a bite device is installed in the middle of the secondary fixed bracket, and the bite device adopts a V-shaped plate structure.

[0010] As a further improvement to this technical solution, the upper part of the bite device is hinged to a limiting plate, which is used to limit and block the longitudinal main rib.

[0011] As a further improvement to this technical solution, the control component includes a first control component and a second control component. The first control component includes a first control frame, which is bolted to the side of the main fixed bracket away from the longitudinal main rib and reinforcing rib. The second control component includes a second control frame, which is slidably assembled on the side of the first control frame away from the clamp. The welding machine is fixedly installed on the second control frame, and the second control frame is slidably engaged with the clamp.

[0012] As a further improvement to this technical solution, the clamp includes a frame plate fixed inside the secondary fixed bracket. The frame plate has a frame structure, and two clamping blocks are symmetrically slidably arranged inside the frame plate. One end of the clamping block is attached to the longitudinal main rib or reinforcing rib, and the other end is slidably connected to the second control frame.

[0013] As a further improvement to this technical solution, several anti-slip grooves are provided on the end face of the clamping block that contacts the reinforcing bar.

[0014] As a further improvement to this technical solution, a plug cylinder is fixed to the outer wall of the clamping block, and a straight rod can be detachably inserted into the plug cylinder.

[0015] As a further improvement to this technical solution, the first control frame has four fixed connecting frames on its four sides, and the second control frame has a fixed connecting plate at the corresponding position. The side wall of the connecting plate slides against the inner wall of the connecting frame. The connecting plate has an oblique groove on its surface. The end of the clamping block facing the first control frame is connected to the tail plate. The tail plate is engaged in the oblique groove and forms a sliding transmission cooperation with the connecting plate.

[0016] As a further improvement to this technical solution, the inner ring is rotated and assembled on the inner side of the second control frame, and the inner wall of the inner ring is fixed with a connecting frame, and the welding machine is hingedly mounted on the connecting frame.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In this rapid correction pile foundation reinforcement cage welding equipment, the longitudinal main bars and reinforcing bars are clamped by mutually perpendicular fixed parts. The positioning correction is completed synchronously by the sliding linkage clamping structure of the welding machine. This can effectively control the angle error between the two, ensure the verticality of the reinforcement bars after welding, and significantly improve the welding quality of the pile foundation reinforcement cage. At the same time, there is no need for repeated manual calibration, which simplifies the on-site operation steps and effectively improves the efficiency of spot welding of the main bars and reinforcing bars.

[0018] 2. This rapid correction pile foundation reinforcement cage welding equipment features convenient hanging and limiting, anti-slip clamping, and multi-angle welding adjustment structure. During operation, the positioning is stable and not easy to shift or fall off. It can also adapt to different welding conditions of the reinforcement cage. The overall structure is compact and portable, suitable for the construction site environment. It can complete the correction welding work without large processing equipment, making it more versatile and practical. Attached Figure Description

[0019] Figure 1 This is a schematic diagram showing the interaction between the device of the present invention and the longitudinal main ribs and reinforcing ribs. Figure 2 This is a schematic diagram of the device structure of the present invention; Figure 3 This is a reverse view of the device structure of the present invention; Figure 4 This is a schematic diagram of the steel bar fixing component structure of the present invention; Figure 5 This is a schematic cross-sectional view of the clamping device structure of the present invention; Figure 6 This is a schematic diagram showing the structural cooperation between the rebar fixing component and the rebar spot welding component of the present invention; Figure 7 This is a schematic diagram showing the structural assembly and disassembly of the rebar fixing component and the rebar spot welding component of the present invention. Figure 8 This is a cross-sectional schematic diagram of the second control component and the welding machine structure of the present invention.

[0020] The meanings of the labels in the diagram are as follows: 1. Rebar fixing assembly; 11. Main fixing bracket; 111. Secondary fixing bracket; 112. Handle; 113. Engagement device; 1131. Limiting plate; 12. Clamping device; 121. Frame plate; 122. Clamping block; 1221. Insert cylinder; 1222. Straight rod; 123. Tail plate; 2. Reinforcing bar spot welding assembly; 21. First control component; 211. First control frame; 212. Connecting frame; 22. Second control component; 221. Second control frame; 222. Connecting plate; 23. Welding machine; 24. Inner ring; 241. Connecting frame; 3. Longitudinal main reinforcement; 4. Reinforcing ribs. Detailed Implementation

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. Example

[0024] Please see Figures 1 to 8This embodiment provides a rapid correction pile foundation reinforcement cage welding device, including a reinforcement fixing assembly 1 and a reinforcement spot welding assembly 2 disposed on one side of the reinforcement fixing assembly 1. The reinforcement fixing assembly 1 includes a main fixing bracket 11, and a first fixing member and a second fixing member fixedly connected to the main fixing bracket 11. The first fixing member and the second fixing member are arranged perpendicularly to each other on the main fixing bracket 11. The first fixing member is used to clamp and fix the longitudinal main reinforcement 3, and the second fixing member is used to clamp and fix the reinforcing reinforcement 4. The reinforcement spot welding assembly 2 includes a control member fixedly connected to the main fixing bracket 11. The control member is slidably connected to a welding machine 23 for reinforcement spot welding, and the control member slides in cooperation with the first fixing member and the second fixing member.

[0025] During welding, one end of the first fixing member rests against the longitudinal main rib 3, so that the reinforcing rib 4 is positioned between the two ends of the second fixing member; or one end of the second fixing member rests against the reinforcing rib 4, so that the longitudinal main rib 3 is positioned between the two ends of the first fixing member. The welding machine 23 is operated to slide along the control component and approach the welding point. With the help of the sliding action of the welding machine, the control component synchronously drives the first fixing member to clamp and fix the longitudinal main rib 3 and the second fixing member to clamp and fix the reinforcing rib 4, ensuring that the longitudinal main rib 3 and the reinforcing rib 4 remain perpendicular.

[0026] The following is a detailed explanation of the equipment's specific structure and workflow.

[0027] like Figure 1 , Figure 4 As shown, the main fixing bracket 11 is a frame structure made of 45 steel or Q345B steel plate with a thickness of 8mm to 12mm to ensure overall rigidity and resistance to deformation. The main fixing bracket 11 has U-shaped secondary fixing brackets 111 welded or bolted to its four sides. Adjacent secondary fixing brackets 111 are perpendicular to each other, and their openings all point away from the center of the main fixing bracket 11 to form a cross-shaped clamping space. Both the first and second fixing components include two clamps 12 for clamping the longitudinal main ribs 3 or reinforcing ribs 4. The two clamps 12 of the first fixing component are bolted to the inner sides of the left and right secondary fixing brackets 111, and the two clamps 12 of the second fixing component are bolted to the inner sides of the upper and lower secondary fixing brackets 111. Handles 112 extend outward from the left and right secondary fixing brackets 111, and the outer surface of the handles 112 is covered with a rubber anti-slip sleeve for easy gripping by the operator.

[0028] To further improve the convenience and stability of the attachment and positioning, a V-shaped bite device 113 is welded to the middle of the secondary fixed bracket 111. The bite device 113 is made of bent spring steel plate, and the V-shaped opening angle is 90° to 120°. A limit plate 1131 is installed on the upper side of the bite device 113 via a hinge. The top end of the limit plate 1131 forms a snap-fit ​​with the corresponding end face of the bite device 113, so that the limit plate 1131 can only rotate inwards towards the bite device 113 and cannot be flipped outwards. In the free state, the limit plate 1131 is held in the position of blocking the opening of the bite device 113 by the preload of the torsion spring, which is used to limit and block the longitudinal main rib 3.

[0029] During the attachment process, the operator pushes the equipment towards the longitudinal main rib 3. The longitudinal main rib 3 presses against the inner inclined surface of the limiting plate 1131, pushing the limiting plate 1131 to overcome the torsion spring force and flip inward. The longitudinal main rib 3 then engages in the V-groove of the bite device 113. After the longitudinal main rib 3 is fully engaged in the bite device 113, the limiting plate 1131 automatically resets under the action of the torsion spring. At this time, if the equipment or the longitudinal main rib 3 is subjected to an outward force, the top end of the limiting plate 1131 will abut against the engaging end face of the bite device 113, preventing the limiting plate 1131 from flipping outward. This reliably confines the longitudinal main rib 3 within the bite device 113, preventing the equipment from falling off due to its own weight or accidental contact, and effectively reducing the operational difficulty for a single person.

[0030] After the longitudinal main rib 3 and the reinforcing rib 4 are spot welded, the operator holds the handle 112 and lifts the equipment upward in a direction perpendicular to the axis of the longitudinal main rib 3. The longitudinal main rib 3 moves from below the limiting plate 1131 and can disengage from the bite device 113 without affecting the rapid transfer of the equipment to the next welding point.

[0031] After the equipment is positioned, the operator pushes the welding machine 23 close to the spot welding position to simultaneously correct and clamp the verticality of the reinforcing bar. Figure 4 , Figure 5 , Figure 6 As shown, the control components include a first control component 21 and a second control component 22. The first control component 21 includes a first control frame 211 located on the back side of the main fixed bracket 11. In this embodiment, the first control frame 211 consists of a circular frame and mounting ears at the four corners, and is fixed to the side of the main fixed bracket 11 away from the longitudinal main rib 3 and reinforcing rib 4 by bolts. The second control component 22 includes an annular second control frame 221, which is sleeved on the outside of the first control frame 211 and can slide in a direction perpendicular to the main fixed bracket 11. The welding machine 23 can be an arc stud welding torch, the body of which is fixedly connected to the front of the second control frame 221 by bolts, while the back of the second control frame 221 slides in engagement with the tail ends of each clamp 12.

[0032] The specific structure of the clamp 12 is as follows: the frame plate 121 is fixed to the inside of the secondary fixing bracket 111 by bolts. The frame plate 121 is a rectangular frame, and two clamping blocks 122 are symmetrically installed inside the frame. The clamping blocks 122 can slide linearly along the guide groove on the inner wall of the frame. The surface of the clamping block 122 facing the reinforcing bar is machined with several anti-slip grooves to increase the friction coefficient of the contact surface with the reinforcing bar. The end of the clamping block 122 facing the main fixing bracket 11 extends out to the tail plate 123, and the end of the tail plate 123 is provided with a cylindrical retaining shaft.

[0033] The first control frame 211 has four corresponding welded connecting frames 212, the interior of which is a rectangular slide rail. The second control frame 221 has a corresponding integrally machined connecting plate 222. The outer wall of the connecting plate 222 slides against the inner wall of the connecting frame 212, serving as a guide and load-bearing element. The connecting plate 222 has a straight groove on its surface. The groove's inclination direction satisfies the following condition: when the second control frame 221 moves closer to the reinforcing bar, the groove drives the cooperating tail plate 123 to slide along the other end of the groove, thereby causing the two opposing clamping blocks 122 to move closer together. The tail plate 123's clamping shaft inserts into the groove, forming a sliding transmission engagement. The preferred inclination angle of the groove is 15°–30° to ensure sufficient clamping stroke while preventing transmission self-locking.

[0034] In actual operation, the operator holds the handle 112 with one hand and the handle or housing of the welding machine 23 with the other, pushing it forward. The welding machine 23 drives the second control frame 221 to slide along the first control frame 211 towards the welding point. The connecting plate 222 then moves horizontally within the connecting frame 212. Through the cooperation of the inclined groove and the tail plate 123, the linear motion of the second control frame 221 is synchronously converted into the opposing motion of the two clamping blocks 122 in each clamp 12. The left and right clamping blocks 12 clamp the longitudinal main ribs 3, and the upper and lower clamping blocks 12 clamp the reinforcing ribs 4. The four clamping blocks 12 act simultaneously, automatically constraining the longitudinal main ribs 3 and reinforcing ribs 4 to a mutually perpendicular posture during the clamping process. Because the clamping action is rigidly linked to the welding machine's feed action, no electrical sensors or program control are required, fundamentally avoiding the problem of missynchronization in clamping and welding actions caused by control response lag.

[0035] To enhance the limiting effect on the plane containing the reinforcing rib 4 and ensure the perpendicularity of the overall plane of the reinforcing rib 4 to the axis of the longitudinal main rib 3, a sleeve 1221 is welded to the outer wall of the clamping block 122. The axis of the sleeve 1221 is parallel to the direction of movement of the clamping block 122. Each clamp 12 is equipped with a straight rod 1222, which can be inserted into the sleeve 1221 and extend to the other side of the reinforcing rib 4. When the clamping block 122 clamps the reinforcing rib 4, inserting the straight rod 1222 into the sleeve 1221 can form a double-sided limiting effect on the reinforcing rib 4, preventing the reinforcing rib 4 from shifting due to thermal deformation or external force during welding, and further improving the correction and retention effect.

[0036] To meet the spot welding requirements of weld points in different positions on the reinforcing cage, such as Figure 8 As shown, an inner ring 24 is rotatably mounted on the inner wall of the second control frame 221 via bearings. A connecting frame 241 is welded to the inner wall of the inner ring 24. A hinge seat is welded to the body of the welding machine 23 and is mounted on the connecting frame 241 via a hinge shaft. In this way, the welding machine 23 can rotate as a whole around the axis of the inner ring 24, and can also tilt up and down around the hinge shaft. The operator can flexibly adjust the welding angle according to the position of the welding point without frequently changing the overall posture of the equipment.

[0037] Taking the typical working condition of horizontally arranged longitudinal main reinforcement 3 and vertically encircling stiffener 4 as an example, the operating steps of this equipment are explained as follows: The operator holds the left and right handles 112 with both hands and moves the equipment to the welding position, aligning the V-grooves of the two left and right clamps 113 with the longitudinal main rib 3, and pushes it forward to make the longitudinal main rib 3 snap into the clamps 113, while the reinforcing rib 4 is naturally positioned between the openings of the upper and lower clamps 12. After confirming that the bite device 113 is engaged and the limiting plate 1131 has secured the longitudinal main rib 3, release the handle 112 with one hand, move to the welding machine 23 and push it forward smoothly. During the sliding process of welding machine 23, the four clamps 12 close synchronously, clamping the longitudinal main rib 3 and the reinforcing rib 4 respectively, and automatically correcting them to a vertical state; when the electrode of welding machine 23 reaches the welding point position, the clamps 12 have provided sufficient clamping force; Press the start switch of welding machine 23 to complete spot welding. The welding current and energizing time are set according to the diameter of the steel bar. After welding is completed, pull back the welding machine 23, the second control frame 221 retracts, and the inclined groove drives the clamping block 122 to release in the opposite direction; lift the equipment upward so that the longitudinal main rib 3 is separated from the limiting plate 1131, and the entire equipment can be removed and moved to the next welding point.

[0038] Repeat the above steps to complete the welding of longitudinal main reinforcement 3 and reinforcing reinforcement 4 point by point. According to the on-site comparative test, after using this equipment, the cycle time of single-point welding operation is shortened by about 40% compared with manual straightening, and the angle deviation after welding can be controlled within 2°, which is a significant improvement compared with the deviation of 5° to 8° of manual operation. The overall ellipticity and verticality index of the steel cage meet the design requirements. Example

[0039] The main difference between this embodiment and Embodiment 1 lies in the transmission method between the control component and the clamp 12. In this embodiment, the inclined slot transmission structure is replaced by a gear and rack transmission mechanism: a driving rack is fixed on the second control frame 221, and a driven rack that meshes with it is fixed at the tail end of the clamping block 122. When the second control frame 221 translates, the clamping blocks 122 on both sides are driven to move towards each other through gear transmission. This alternative solution can also achieve rigid linkage between the welding machine's feeding action and the clamping action, and has higher transmission efficiency, making it suitable for welding large-diameter steel bars where greater clamping force is required. The remaining structure and usage are the same as in Embodiment 1, and will not be described again.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid correction equipment for welding steel cages in pile foundations, characterized in that: The assembly includes a rebar fixing component (1) and a rebar spot welding component (2) disposed on one side of the rebar fixing component (1); the rebar fixing component (1) includes a main fixing bracket (11) and a first fixing member and a second fixing member fixedly connected to the main fixing bracket (11). The first fixing member and the second fixing member are arranged perpendicularly to each other on the main fixing bracket (11). The first fixing member is used to clamp and fix the longitudinal main rebar (3), and the second fixing member is used to clamp and fix the reinforcing rebar (4); the rebar spot welding component (2) includes a control component fixedly connected to the main fixing bracket (11). A welding machine (23) for rebar spot welding operation is slidably mounted on the control component. The control component also slides and cooperates with the first fixing member and the second fixing member. When the welding machine slides along the control component, the control component synchronously drives the first fixing component to clamp the longitudinal main rib (3) and the second fixing component to clamp the reinforcing rib (4), so that the longitudinal main rib and the reinforcing rib remain perpendicular.

2. The rapid correction pile foundation reinforcement cage welding equipment according to claim 1, characterized in that: The main fixing bracket (11) is fixedly connected to the secondary fixing brackets (111) on all four sides, and the adjacent secondary fixing brackets (111) are perpendicular to each other; the first fixing member and the second fixing member are each provided with two clamps (12), which are used to clamp the longitudinal main rib (3) or the reinforcing rib (4); the two clamps (12) of the first fixing member are fixed to the left and right secondary fixing brackets (111), and the two clamps (12) of the second fixing member are fixed to the upper and lower secondary fixing brackets (111); the left and right secondary fixing brackets (111) extend outward to provide handles (112).

3. The rapid correction pile foundation reinforcement cage welding equipment according to claim 2, characterized in that: The bite device (113) is installed in the middle of the secondary fixing bracket (111), and the bite device (113) adopts a V-shaped plate structure.

4. The rapid correction pile foundation reinforcement cage welding equipment according to claim 3, characterized in that: The upper part of the bite device (113) is hinged to a limiting plate (1131), which is used to limit and block the longitudinal main reinforcement (3).

5. The rapid correction pile foundation reinforcement cage welding equipment according to claim 2, characterized in that: The control components include a first control component (21) and a second control component (22). The first control component (21) includes a first control frame (211), which is bolted to the side of the main fixed bracket (11) away from the longitudinal main rib (3) and the reinforcing rib (4). The second control component (22) includes a second control frame (221), which is slidably assembled on the side of the first control frame (211) away from the clamp (12). The welding machine (23) is fixedly installed on the second control frame (221), and the second control frame (221) is slidably engaged with the clamp (12).

6. The rapid correction pile foundation reinforcement cage welding equipment according to claim 5, characterized in that: The clamp (12) includes a frame plate (121) fixed inside the secondary fixed bracket (111). The frame plate (121) is a frame structure. Two clamping blocks (122) are symmetrically slidably arranged inside the frame plate (121). One end of the clamping block (122) is attached to the longitudinal main rib (3) or the reinforcing rib (4), and the other end is slidably connected to the second control frame (221).

7. The rapid correction pile foundation reinforcement cage welding equipment according to claim 6, characterized in that: The clamping block (122) has several anti-slip grooves on the end face that contacts the reinforcing bar.

8. The rapid correction pile foundation reinforcement cage welding equipment according to claim 6, characterized in that: The clamping block (122) has a tube (1221) fixed on its outer wall, and a straight rod (1222) can be detachably inserted into the tube (1221).

9. The rapid correction pile foundation reinforcement cage welding equipment according to claim 6, characterized in that: The first control frame (211) has four fixed connecting frames (212) on its four sides, and the second control frame (221) has a fixed connecting plate (222) at the corresponding position. The side wall of the connecting plate (222) slides against the inner wall of the connecting frame (212). The connecting plate (222) has an oblique groove on its surface. The end of the clamping block (122) facing the first control frame (211) is connected to the tail plate (123). The tail plate (123) is engaged in the oblique groove and forms a sliding transmission cooperation with the connecting plate (222).

10. The rapid correction pile foundation reinforcement cage welding equipment according to claim 6, characterized in that: The inner ring (24) is rotated and assembled on the inner side of the second control frame (221), and the inner wall of the inner ring (24) is fixed with a connecting frame (241). The welding machine (23) is hinged and installed on the connecting frame (241).

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