Road bridge pile foundation reinforcement cage welding equipment

Abstract

This invention relates to the field of rebar cage welding technology, and provides a rebar cage welding device for road and bridge pile foundations. The device includes a base, with a fixed frame on each of the top two sides of the base. The fixed frames are connected and fixed to the base by bolts. A circular through hole is formed in the center of the fixed frame, and an annular groove is formed on the inner wall of the circular through hole. A connecting groove is formed on one side of the annular groove, and a drive gear is rotatably connected within the connecting groove. A drive motor connected to the drive gear is installed on the outside of the fixed frame. This invention has the following advantages: through the design of the rotary drive mechanism, the position of the thick rebar on the support legs can be adjusted, and the welding mechanism can be moved along the length of the thick rebar via an electric slide rail, allowing the welding mechanism to contact the rotating thick rebar. Simultaneously, it can realize the winding and welding of thin and thick rebars, thereby forming rebar cages of different sizes to meet the production needs of various rebar cages.

Description

Technical Field

[0001] This invention relates to a welding equipment for steel cages of road and bridge pile foundations, belonging to the field of steel cage welding technology. Background Technology

[0002] A deep foundation consisting of piles and a pile cap (or simply pile cap) connecting the pile tops, or a single-pile foundation connecting a column and piles, is simply called a pile foundation. In the construction of large buildings, pile foundations serve as the foundational components. If the entire pile is embedded in the soil and the bottom of the pile cap is in contact with the soil, it is called a low-pile-cap pile foundation; if the upper part of the pile is exposed above ground and the bottom of the pile cap is above ground level, it is called a high-pile-cap pile foundation. Building pile foundations are usually low-pile-cap pile foundations. Pile foundations are widely used in high-rise buildings. The reinforcing cage plays a similar role to the longitudinal reinforcement in columns, primarily acting as a tensile force. Concrete has high compressive strength but very low tensile strength. The reinforcing cage restrains the concrete of the pile, enabling it to withstand a certain horizontal force.

[0003] Existing welding equipment cannot be adjusted appropriately according to the size of the steel cage when welding defective parts of pile foundation steel cages. It can only weld steel cages of fixed size. When faced with the production needs of steel cages of various sizes, the equipment must be replaced, resulting in low practicality of the welding equipment and failing to meet the production needs of steel cage manufacturers. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a welding equipment for steel cages in road and bridge pile foundations.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: A welding device for steel cages of road and bridge pile foundations includes a base, with fixed frames on both sides of the top of the base. The fixed frames are connected and fixed to the base by bolts. A circular through hole is formed in the middle of the fixed frame, and an annular groove is formed on the inner wall of the circular through hole. A connecting groove is formed on one side of the annular groove, and a drive gear is rotatably connected in the connecting groove. A drive motor connected to the drive gear is installed on the outside of the fixed frame. An external gear ring is rotatably connected in the annular groove, and the external gear ring meshes with the drive gear. A rotary drive mechanism is provided in the circular through hole. The end of the rotary drive mechanism passes through the annular groove and is fixed to the inner wall of the outer toothed ring. Several connecting shafts are connected between the shafts of the rotary drive mechanisms on both sides through flanges. A fixed plate is connected between two adjacent connecting shafts through flanges. Several support rods are fixed on the outer circumference of the fixed plate. An electric slide rail is provided on the top of the base and between the two fixed frames. An electric slider is slidably connected on the electric slide rail. A movable frame is connected to the top of the electric slider. The through hole in the middle of the movable frame is adapted to the support rod. A welding mechanism is fixed on the top of the movable frame.

[0006] Furthermore, the rotary drive mechanism includes a housing, and the outer circumferential surface of the housing is provided with a plurality of legs, the legs corresponding to the support rod, the ends of the legs penetrating into the annular groove and connected and fixed to the inner wall of the outer toothed ring, the legs being provided with an adjustment groove and a rope hole, the side of the adjustment groove being provided with an adjustment opening penetrating to the outer surface of the legs, the two ends of the rope hole communicating with the housing and the transfer groove respectively, the two sides of the adjustment groove communicating with the transfer groove and the housing respectively, and the inner middle part of the housing extending into the legs to form an adjustment component and a limiting component.

[0007] Furthermore, the housing includes a first half-shell and a second half-shell, which are fixed together by bolts.

[0008] Furthermore, the adjusting assembly includes a gear ring rotatably connected between the first half-shell and the second half-shell. The gear ring has internal and external toothed grooves on its inner and outer sides, respectively. A drive gear is rotatably connected to the inner center of the gear ring, and the drive gear is connected to the output end of a rotary motor. Several driven gears mesh with the circumferential side of the drive gear, and the driven gears mesh with the internal toothed grooves. Several linkage gears are rotatably connected evenly to the outer side of the gear ring, and the linkage gears mesh with the external toothed grooves. Traction rope winding rollers are rotatably connected to both sides of each linkage gear. The traction rope... Each end of the take-up roller is provided with a toothed post, and the outer surface of the toothed post is provided with several gear teeth. The gear teeth mesh with the linkage gear. The two traction rope take-up rollers respectively wind up traction rope one and traction rope two. Traction rope one moves through the rope hole and passes around the roller in the transfer groove and passes through the adjustment groove to connect and fix one side of the slider. The slider is slidably connected in the adjustment groove. The end of traction rope two moves through the adjustment groove and connects and fixes the other side of the slider. The end of the slider passes through the adjustment opening to the outside of the support leg and connects and fixes the steel bar sleeve.

[0009] Furthermore, the rebar sleeve has a rebar clamping hole, and a threaded groove is formed on the outer surface of the rebar sleeve and on one side of the rebar clamping hole. An external threaded ring is threaded into the threaded groove and fixed to the sealing plate. A sealing plug is provided at the center of the side of the sealing plate and inside the external threaded ring. The sealing plug is adapted to the rebar clamping hole.

[0010] Furthermore, a mounting groove for cooperating with the rotary motor is provided at the center of the side of the second half-shell, and sliding grooves for cooperating with the toothed ring are provided on both the first half-shell and the second half-shell. A storage groove is provided on the side of the second half-shell, outside the mounting groove.

[0011] Furthermore, the limiting component includes an annular plate slidably connected inside the storage groove. An adjusting cylinder is connected between one side of the annular plate and the inner wall of the storage groove. The other side of the annular plate is connected to a limiting plate via a connecting rod. Several limiting plates are evenly distributed on the side of the annular plate. The limiting plates are slidably connected inside the storage groove. Arc-shaped grooves are provided on both sides of the limiting plates. Several movable grooves are provided on the inner wall of the arc-shaped grooves. A limiting toothed plate is rotatably connected inside the movable grooves via a shaft. A conical tooth is fixed at the bottom of the limiting toothed plate.

[0012] Furthermore, the limiting component also includes several conical teeth two fixed to the top of the wheel teeth, the conical teeth two being adapted to the conical teeth one, and the limiting tooth plate being engaged in the tooth gap of the wheel teeth through the conical teeth one and the conical teeth two.

[0013] Furthermore, the welding mechanism includes a fixed plate fixed to the movable frame and a sliding plate slidably connected to the movable frame. A lifting cylinder is installed on the fixed plate, and the extension and retraction output end of the lifting cylinder is connected and fixed to the sliding plate. A resistance spot welding machine and a rebar winding roller are respectively installed on both sides of the sliding plate. The roller electrode of the resistance spot welding machine is installed at the bottom of the sliding plate. A thin rebar is wound on the rebar winding roller. A guide cylinder and a guide wheel that cooperate with the thin rebar are provided on the sliding plate.

[0014] Furthermore, a thick steel bar is inserted into the steel bar clamping hole, and a second set of electrodes is installed in the steel bar clamping hole, the second set of electrodes being adapted to the thick steel bar.

[0015] The beneficial effects of this invention are: This invention, through the design of a rotary drive mechanism, can adapt and adjust the position of the thick steel bars on the support legs. The electric control box starts the electric slide rail and welding mechanism. The electric slide rail drives the welding mechanism to move slowly along the length direction of several thick steel bars. While moving, the welding mechanism comes into contact with several rotating thick steel bars, thereby realizing the winding of thin steel bars and the welding of thin steel bars with thick steel bars. This can form steel cages of different sizes to meet the production needs of various steel cages.

[0016] This invention, through the design of the adjustment component, requires adjusting the position of the steel sleeve on the support leg before the steel cage is produced. Specifically, a rotary motor drives the drive gear to rotate, which in turn drives several driven gears to rotate. These driven gears synchronously drive the internal tooth grooves on the inner wall of the tooth ring, thereby causing the tooth ring to rotate stably. While the tooth ring is rotating, it drives the linkage gear to rotate through the external tooth grooves on its outer surface. The linkage gear drives the traction rope winding roller to rotate by meshing with the gear teeth on the tooth column. The two traction rope winding rollers rotate synchronously, but their winding directions are not the same. Therefore, while rotating, the two traction rope winding rollers will respectively perform the winding and unwinding actions of the rope. The first traction rope and the second traction rope pull the slider to move through the driving method of one winding and the other unwinding. The slider moves stably in the adjustment groove and drives the steel sleeve to move, thereby achieving the purpose of adjusting the distance between the steel sleeve and the shell. This invention, through the design of threaded groove, sealing plate, sealing plug and external threaded ring, after the position of the rebar sleeve is adjusted, inserts the thick rebar into the rebar clamping hole on both sides of the rebar sleeve. The thick rebar is connected to the second set of electrodes in the rebar clamping hole. Then, the sealing plate is fixed on the rebar sleeve by the thread engagement of the external threaded ring and the threaded groove. The sealing plate seals the rebar clamping hole on the rebar sleeve by sealing plug.

[0017] This invention, through the design of a limiting component, ensures the stability of the rebar sleeve position after the rebar sleeve position is adjusted. The adjusting cylinder is activated by the electrical control box, which pushes the annular plate from the receiving groove into the housing. During the movement of the annular plate, the connecting rod pushes the limiting plate to move. As the limiting plate is inserted into the housing, the limiting tooth plate on its side will engage with the toothed post on the traction rope winding roller, thereby achieving the purpose of limiting and fixing the traction rope winding roller.

[0018] This invention, through the design of conical teeth one and conical teeth two, ensures that during the descent of the limiting tooth plate, the conical teeth one at the bottom of the limiting tooth plate will first press together with the conical teeth two on the gear teeth. This allows the limiting tooth plate to move within the movable groove by the inclined pressing of the conical teeth one and two, even if the limiting tooth plate is misaligned with the gear teeth. This enables the limiting tooth plate to achieve self-adjusting position and quickly adapt to the tooth grooves on the gear teeth, thus achieving the purpose of limiting the tooth column.

[0019] This invention, through the design of the welding mechanism, involves assembling the thick steel bars onto the rotary drive mechanism. The electric control box then activates the electric slide rail, lifting cylinder, resistance spot welding machine, and steel bar winding roller. The lifting cylinder on the moving frame pushes the sliding plate downwards, which in turn lowers the resistance spot welding machine, steel bar winding roller, and roller electrode, allowing the roller electrode to contact several thick steel bars. Subsequently, the electric slide rail activates, causing the moving frame to slowly move along the length of several main steel bars. Meanwhile, the steel bar winding roller begins to rotate, releasing thin steel bars. The thin steel bars wrap around the main steel bars and pass over the roller electrode. Therefore, when the thin steel bars contact the main steel bars, they experience resistance heat from the current flowing through the roller electrode and the second set of electrodes. This instantaneous heat forms a weld point at the contact point between the thin steel bars and the main steel bars, thus achieving the welding action between the thin steel bars and several thick steel bars, forming a complete steel cage. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of a road and bridge pile foundation steel cage welding equipment according to the present invention; Figure 2 This is a schematic diagram of the rotary drive mechanism structure of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 1 ; Figure 3 This is a schematic diagram of the rotary drive mechanism structure of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 2 ; Figure 4 This is a schematic diagram of the internal structure of the rotary drive mechanism of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 1 ; Figure 5 This is a schematic diagram of the internal structure of the rotary drive mechanism of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 2 ; Figure 6 This is a schematic diagram of the internal structure of the rotary drive mechanism of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 3 ; Figure 7 This is a schematic diagram of the internal structure of the rotary drive mechanism of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 4 ; Figure 8 This is a schematic diagram of the connection structure between the semi-shell and the support legs of a road and bridge pile foundation steel cage welding equipment according to the present invention. Figure 9 This is a schematic diagram of the semi-shell structure of a road and bridge pile foundation steel cage welding equipment according to the present invention; Figure 10 This is a schematic diagram of the limiting component structure of a road and bridge pile foundation steel cage welding equipment according to the present invention; Figure 11 This is a schematic diagram of the toothed column structure of a road and bridge pile foundation steel cage welding equipment according to the present invention; Figure 12 This is a schematic diagram of the structure of the limiting plate of the road and bridge pile foundation steel cage welding equipment in the inverted state according to the present invention; Figure 13 This is a schematic diagram of the slider, rebar sleeve, sealing plate, sealing plug and external threaded ring connection structure of a road and bridge pile foundation rebar cage welding equipment of the present invention; Figure 14 This is a schematic diagram of the welding mechanism structure of a road and bridge pile foundation steel cage welding equipment according to the present invention.

[0022] In the diagram: 1. Base; 2. Fixing frame; 3. Annular groove; 4. Drive motor; 5. Rotary drive mechanism; 6. Housing; 7. Half-housing one; 8. Half-housing two; 9. Support leg; 10. Gear ring; 11. Drive gear; 12. Driven gear; 13. Linkage gear; 14. Traction rope winding roller; 15. Gear column; 16. Traction rope one; 17. Traction rope two; 18. Slider; 19. Rebar sleeve; 20. Roller; 21. Adjustment groove; 22. Adjustment opening; 23. Transfer groove; 24. Rebar clamping hole; 25. Threaded groove; 26. Sealing plate; 27. Sealing plug; 28. External thread. 29. Ring; 30. Limiting plate; 31. Connecting rod; 32. Annular plate; 33. Adjusting cylinder; 34. Arc groove; 35. Movable groove; 36. Limiting tooth plate; 37. Conical tooth one; 38. Wheel tooth; 39. Conical tooth two; 40. Storage groove; 41. Sliding groove; 42. Mounting groove; 43. Sliding plate; 44. Fixing plate; 45. Lifting cylinder; 46. Resistance spot welding machine; 47. Rebar winding roller; 48. Roller electrode; 49. Guide cylinder; 50. Thin rebar; 51. Guide wheel; 52. Connecting shaft; 53. Fixing plate; 54. Support rod; 55. Electric slide rail; 56. Moving frame. Detailed Implementation

[0023] The technical solutions of 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.

[0024] Please see Figures 1-14This invention provides a technical solution for welding steel cages for road and bridge pile foundations, including a base 1. A fixing frame 2 is provided on each of the top two sides of the base 1. The fixing frame 2 is connected and fixed to the base 1 by bolts. After the steel cage welding is completed, one fixing frame 2 can be separated from the base 1, allowing the steel cage to be removed. A circular through hole is formed in the middle of the fixing frame 2, and an annular groove 3 is formed on the inner wall of the circular through hole. A connecting groove is formed on one side of the annular groove 3, and a drive gear is rotatably connected within the connecting groove. The outer side of the fixing frame 2... A drive motor 4 connected to the drive gear is installed. An external gear ring is rotatably connected within the annular groove 3, and the external gear ring meshes with the drive gear. A rotary drive mechanism 5 is provided within the circular through hole. The end of the rotary drive mechanism 5 extends through the annular groove 3 and is fixedly connected to the inner wall of the external gear ring. During the welding of the reinforcing cage, the thick reinforcing bars are first assembled onto the rotary drive mechanism. Then, the drive motor 4 drives the external gear ring to rotate via the drive gear. The rotation of the external gear ring drives the rotary drive mechanism 5 and the thick reinforcing bars connected to it to rotate, allowing the thick reinforcing bars to interact with the thin reinforcing bars and... The welding mechanism contacts, thereby realizing the resistance welding action. Several connecting shafts 51 are connected between the shafts of the two rotating drive mechanisms 5. A fixed disk 52 is connected between two adjacent connecting shafts 51. Several support rods 53 are fixed to the outer circumference of the fixed disk 52. An electric slide rail 54 is provided on the top of the base 1, located between the two fixed frames 2. An electric slider is slidably connected to the electric slide rail 54. A movable frame 55 is connected to the top of the electric slider. The through hole in the middle of the movable frame 55 is adapted to the support rods 53. A welding mechanism is fixed to the top of 55. Through the design of the electric slide rail 4, the welding mechanism can be slowly moved along the length of several thick steel bars during the welding of the steel cage. At the same time, the welding mechanism comes into contact with several rotating thick steel bars, thereby realizing the winding of the thin steel bars 49 and the welding of the thin steel bars 49 with the thick steel bars. An electrical control box is provided on one side of the base 1. The electrical control box is electrically connected to the rotary motor, the drive motor 4, the adjusting cylinder 32 and the lifting cylinder 44 through a wireless signal transceiver device to realize start and stop control.

[0025] See Figures 1-6 , Figure 8The rotary drive mechanism 5 includes a housing 6. The outer circumference of the housing 6 is provided with several legs 9, each corresponding to a support rod 53. The ends of the legs 9 penetrate into the annular groove 3 and are fixedly connected to the inner wall of the outer toothed ring. Each leg 9 has an adjustment groove 21 and a rope hole. The side of the adjustment groove 21 has an adjustment opening 22 extending to the outer surface of the leg 9. The two ends of the rope hole are respectively connected to the housing 6 and the transfer groove 23. The two sides of the adjustment groove 21 are respectively connected to the transfer groove 23 and the housing 6. An adjustment assembly extends from the inner center of the housing 6 into the legs 9. The housing 6 includes a limiting component and a semi-housing 7 and a semi-housing 8, which are fixed together by bolts. The rotary drive mechanism 5 is designed to adjust the position of the thick steel bars on the support legs 9. The electric slide rail 54 and the welding mechanism are activated by the electrical control box. The electric slide rail drives the welding mechanism to move slowly along the length of several thick steel bars. While moving, the welding mechanism comes into contact with the rotating thick steel bars, thereby realizing the winding of the thin steel bars 49 and the welding of the thin steel bars 49 with the thick steel bars. This allows for the formation of steel cages of different sizes to meet the production needs of various steel cages.

[0026] See Figures 2-9The adjusting assembly includes a gear ring 10 rotatably connected between the first half-shell 7 and the second half-shell 8. The gear ring 10 has internal and external toothed grooves on its inner and outer sides, respectively. A drive gear 11 is rotatably connected to the inner center of the gear ring 10. The drive gear 11 is connected to the output end of a rotary motor. Several driven gears 12 mesh with the circumferential side of the drive gear 11. The driven gears 12 mesh with the internal toothed grooves. Several linkage gears 13 are rotatably connected evenly to the outer side of the gear ring 10. Gear 13 meshes with the external tooth groove. Traction rope winding rollers 14 are rotatably connected to both sides of the linkage gear 13. Each end of the traction rope winding roller 14 has a toothed post 15 with several teeth 37 on its outer surface. These teeth mesh with the linkage gear 13. Traction rope one 16 and traction rope two 17 are wound onto the two traction rope winding rollers 14 respectively. Traction rope one 16 passes through the rope hole and around the roller 20 in the transfer groove 23, passing through the adjustment groove 2. The slider 18 is slidably connected to one side of the adjusting groove 21. The end of the traction rope 17 passes through the adjusting groove 21 and is fixed to the other side of the slider 18. The end of the slider 18 passes through the adjusting opening 22 and is fixed to the outside of the support leg 9. The support leg 19 has a steel bar clamping hole 24. A threaded groove 25 is formed on the outer surface of the support leg 19 and on one side of the steel bar clamping hole 24. A threaded connection is formed in the threaded groove 25. An external threaded ring 28 is fixed on a sealing plate 26. A sealing plug 27 is provided at the center of the side of the sealing plate 26 and inside the external threaded ring 28. The sealing plug 27 is adapted to the steel bar clamping hole 24. An installation groove 41 that cooperates with the rotary motor is provided at the center of the side of the second half-shell 8. A sliding groove 40 that cooperates with the toothed ring 10 is provided on both the first half-shell 7 and the second half-shell 8. A receiving groove 39 is provided on the side of the second half-shell 8 and outside the installation groove 41.By adjusting the component design, the position of the rebar sleeve 19 on the support leg 9 needs to be adjusted before the rebar cage is produced. Specifically, a rotary motor drives the drive gear 11 to rotate, which in turn drives several driven gears 12 to rotate. These driven gears 12 synchronously drive the internal tooth grooves on the inner wall of the toothed ring 10, thereby causing the toothed ring 10 to rotate stably. While rotating, the toothed ring 10 drives the linkage gear 13 to rotate through the external tooth grooves on its outer surface. The linkage gear 13 drives the traction rope winding roller 14 to rotate by meshing with the gear teeth 37 on the toothed column 15. The two traction rope winding rollers 14 rotate synchronously, but their winding directions are not the same. Therefore, while rotating, the two traction rope winding rollers 14 will respectively perform the winding and unwinding actions of the rope. The first traction rope 16 and the second traction rope 17 pull the slider 18 to move through a winding and unwinding drive. The slider 18 moves stably in the adjustment groove 21, which in turn drives the rebar sleeve 19 to move, thereby achieving the purpose of adjusting the distance between the rebar sleeve 19 and the shell 6.

[0027] See Figures 4-5 , Figures 10-12The limiting component includes an annular plate 31 slidably connected inside the storage groove 39. An adjusting cylinder 32 is connected between one side of the annular plate 31 and the inner wall of the storage groove 39. The other side of the annular plate 31 is connected to a limiting plate 29 via a connecting rod 30. Several limiting plates 29 are evenly distributed on the sides of the annular plate 31. The limiting plates 29 are slidably connected inside the storage groove 39. Arc-shaped grooves 33 are formed on both sides of the limiting plates 29, and the inner walls of the arc-shaped grooves 33 are provided with... Several movable slots 34 are provided, and the interior of each movable slot 34 is rotatably connected to a limiting toothed plate 35 via a shaft. Through the design of the limiting assembly, after the position of the rebar sleeve 19 is adjusted, to ensure the stability of the rebar sleeve 19's position, an adjusting cylinder 32 is activated via the electrical control box. The adjusting cylinder 32 pushes the annular plate 31 from the receiving slot 39 into the housing 6. During the movement of the annular plate 31, it pushes the limiting plate 29 to move via the connecting rod 30. As the limiting plate 29 is inserted into the housing 6, the limiting toothed plate 35 on its side... 5 will engage with the toothed post 15 on the traction rope take-up roller 14, achieving the purpose of limiting and fixing the traction rope take-up roller 14; the bottom of the limiting tooth plate 35 is fixed with a conical tooth 36, and the limiting assembly also includes several conical teeth 38 fixed to the top of the wheel tooth 37. The conical teeth 38 are adapted to the conical teeth 36, and the limiting tooth plate 35 is engaged in the tooth gap of the wheel tooth 37 through the conical teeth 36 and the conical teeth 38; through the conical teeth 36 and the conical teeth 38 The design allows the conical tooth 36 at the bottom of the limiting tooth plate 35 to press against the conical tooth 38 on the gear tooth 37 during the descent of the limiting tooth plate 35. This ensures that even if the limiting tooth plate 35 is misaligned with the gear tooth 37, the inclined surface pressing of the conical tooth 36 and the conical tooth 38 will push the limiting tooth plate 35 to move within the movable groove 34, enabling the limiting tooth plate 35 to self-adjust its position and quickly adapt to the tooth groove on the gear tooth 37, thus achieving the purpose of limiting the tooth column 15.

[0028] See Figure 14The welding mechanism includes a fixed plate 43 fixed to the movable frame 55 and a sliding plate 42 slidably connected to the movable frame 55. A lifting cylinder 44 is installed on the fixed plate 43, and the extension and retraction output end of the lifting cylinder 44 is connected and fixed to the sliding plate 42. A resistance spot welding machine 45 and a rebar winding roller 46 are respectively installed on both sides of the sliding plate 42. The roller electrode 47 of the resistance spot welding machine 45 is installed at the bottom of the sliding plate 42. A thin rebar 49 is wound on the rebar winding roller 46. The sliding plate 42 is provided with a guide cylinder 48 and a guide wheel 50 that cooperate with the thin rebar 49. A thick rebar is inserted into the rebar clamping hole 24. A second set of electrodes is installed in the rebar clamping hole 24, and the second set of electrodes is adapted to the thick rebar. Through the design of the welding mechanism, after the thick rebar is assembled on the rotary drive mechanism 5, the electric sliding plate is started through the electrical control box. The moving frame 55 includes a rail 54, a lifting cylinder 44, a resistance spot welding machine 45, and a rebar winding roller 46. The lifting cylinder 44 on the moving frame 55 pushes the sliding plate 42 down, which in turn drives the resistance spot welding machine 45, the rebar winding roller 46, and the roller electrode 47 down, allowing the roller electrode 47 to contact several thick rebars. Subsequently, the electric sliding rail 54 starts, driving the moving frame 55 to move slowly along the length of several main rebars. Meanwhile, the rebar winding roller 46 starts to rotate to release the thin rebars 49. The thin rebars 49 will wrap around the main rebars. At the same time, the thin rebars 49 will pass over the roller electrode 47. Therefore, when the thin rebars 49 contact the main rebars, the thin rebars 49 and the main rebars are subjected to resistance heat generated by the current of the roller electrode 47 and the second set of electrodes. The heat generated instantaneously by the resistance heat forms a weld point at the contact point between the thin rebars 49 and the main rebars, thereby realizing the welding action between the thin rebars 49 and several thick rebars, forming a complete rebar cage.

[0029] The circuits and electronic components, modules and controllers, or the heat dissipation holes and maintenance doors in the space of the electrical equipment are all existing technologies that can be fully implemented by those skilled in the art, and there is no need to elaborate. The content protected by this application does not involve improvements to software and methods or heat dissipation and maintenance.

[0030] Before the steel cage is produced, the position of the steel sleeve 19 on the support leg 9 needs to be adjusted by adjusting the component. Then, the adjusting component is limited by the limiting component to improve the stability of the steel sleeve 19. After the position of the steel sleeve 19 is adjusted, the thick steel bar is inserted into the steel clamping hole 24 on both sides of the steel sleeve 19. The thick steel bar is connected to the second set of electrodes in the steel clamping hole 24. Then, the sealing plate 26 is fixed on the steel sleeve 19 by the thread engagement of the external threaded ring 28 and the threaded groove 25. The sealing plate 26 seals the steel clamping hole 24 on the steel sleeve 19 by the sealing plug 27. Then, the drive motor 4, the electric slide rail 54 and the welding mechanism are started by the electrical control box. The drive motor 4 drives the external gear ring to rotate through the drive gear. The rotation of the external gear ring drives the rotation drive mechanism 5 and the thick steel bar connected to it to rotate. At the same time, the electric slide rail 54 drives the welding mechanism to move slowly along the length direction of several thick steel bars. While moving, the welding mechanism comes into contact with several rotating thick steel bars, thereby realizing the winding of the thin steel bar 49 and the welding action between the thin steel bar 49 and the thick steel bar.

[0031] The movement process of the adjustment component is as follows: the rotary motor drives the drive gear 11 to rotate, the drive gear 11 drives several driven gears 12 to rotate, and the several driven gears 12 synchronously drive the internal tooth grooves on the inner wall of the gear ring 10, thereby driving the gear ring 10 to rotate stably. While the gear ring 10 is rotating, it drives the linkage gear 13 to rotate through the external tooth grooves on its outer surface. The linkage gear 13 drives the traction rope winding roller 14 to rotate by meshing with the gear teeth 37 on the gear column 15. The two traction rope winding rollers 14 rotate synchronously, but the winding directions of the two traction rope winding rollers 14 are not the same. Therefore, while the two traction rope winding rollers 14 are rotating, they will respectively perform the winding and unwinding actions of the rope. The first traction rope 16 and the second traction rope 17 pull the slider 18 to move by one winding and the other unwinding. The slider 18 moves stably in the adjustment groove 21 and drives the steel bar sleeve 19 to move, thereby achieving the purpose of adjusting the distance between the steel bar sleeve 19 and the shell 6.

[0032] The movement process of the limiting component is as follows: After the position of the rebar sleeve 19 is adjusted, in order to ensure the stability of the position of the rebar sleeve 19, the adjusting cylinder 32 is started through the electrical control box. The adjusting cylinder 32 pushes the annular plate 31 from the receiving groove 39 into the housing 6. During the movement, the annular plate 31 will push the limiting plate 29 to move through the connecting rod 30. During the insertion of the limiting plate 29 into the housing 6, the limiting tooth plate 35 on its side will be engaged with the tooth post 15 on the traction rope winding roller 14, so as to achieve the purpose of limiting and fixing the traction rope winding roller 14.

[0033] The movement process of the limiting component is as follows: After the thick steel bars are assembled on the rotary drive mechanism 5, the electric slide rail 54, lifting cylinder 44, resistance spot welding machine 45 and steel bar winding roller 46 are started through the electrical control box. The lifting cylinder 44 on the moving frame 55 pushes the sliding plate 42 down, which in turn drives the resistance spot welding machine 45, steel bar winding roller 46 and roller electrode 47 down, so that the roller electrode 47 can contact several thick steel bars. Subsequently, the electric slide rail 54 starts to drive the moving frame 55 to move slowly along the length direction of several main steel bars. Meanwhile, the steel bar winding roller 46 starts to rotate to release the thin steel bars 49. The thin steel bars 49 will wrap around the main steel bars. At the same time, the thin steel bars 49 will pass over the roller electrode 47. Therefore, when the thin steel bars 49 contact the main steel bars, the thin steel bars 49 and the main steel bars are subjected to the current of the roller electrode 47 and the second set of electrodes to generate resistance heat. The heat generated by the resistance heat instantaneously forms a weld point at the contact point between the thin steel bars 49 and the main steel bars, thereby realizing the welding action of the thin steel bars 49 and several thick steel bars to form a complete steel cage.

[0034] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A welding equipment for steel cages of road and bridge pile foundations, characterized in that, The device includes a base (1), with a fixing frame (2) on each of the top two sides of the base (1). The fixing frame (2) is fixed to the base (1) by bolts. A circular through hole is provided in the middle of the fixing frame (2). An annular groove (3) is provided on the inner wall of the circular through hole. A connecting groove is provided on one side of the annular groove (3). A drive gear is rotatably connected in the connecting groove. A drive motor (4) connected to the drive gear is installed on the outside of the fixing frame (2). An external gear ring is rotatably connected in the annular groove (3). The external gear ring meshes with the drive gear. A rotary drive mechanism (5) is provided in the circular through hole. The end of the rotary drive mechanism (5) extends into the annular groove (3) and interacts with the external gear ring. The inner wall is fixed, and several connecting shafts (51) are connected between the axes of the rotary drive mechanism (5) on both sides. A fixed plate (52) is connected between two adjacent connecting shafts (51). Several support rods (53) are fixed on the outer circumference of the fixed plate (52). An electric slide rail (54) is provided on the top of the base (1) and between the two fixed frames (2). An electric slider is slidably connected on the electric slide rail (54). A movable frame (55) is connected to the top of the electric slider. The through hole in the middle of the movable frame (55) is adapted to the support rod (53). A welding mechanism is fixed on the top of the movable frame (55). The rotary drive mechanism (5) includes a housing (6). The outer circumference of the housing (6) is... The surface is provided with several support legs (9), which correspond to the support rod (53). The end of the support leg (9) passes through the annular groove (3) and is connected and fixed to the inner wall of the outer toothed ring. The support leg (9) is provided with an adjustment groove (21) and a rope hole. The side of the adjustment groove (21) is provided with an adjustment opening (22) that passes through to the outer surface of the support leg (9). The two ends of the rope hole are respectively connected to the housing (6) and the transfer groove (23). The two sides of the adjustment groove (21) are respectively connected to the transfer groove (23) and the housing (6). The inner middle part of the housing (6) extends into the support leg (9) with an adjustment component and a limiting component. The housing (6) includes a first half-housing (7) and a second half-housing (8). The first half-shell (7) and the second half-shell (8) are fixed by bolts. The adjustment assembly includes a gear ring (10) rotatably connected between the first half-shell (7) and the second half-shell (8). The gear ring (10) has an inner tooth groove and an outer tooth groove on its inner and outer sides, respectively. A drive gear (11) is rotatably connected to the inner center of the gear ring (10). The drive gear (11) is connected to the output end of the rotary motor. Several driven gears (12) mesh with the circumferential side of the drive gear (11). The driven gears (12) mesh with the inner tooth grooves. Several linkage gears (13) are rotatably connected to the outer side of the gear ring (10). The linkage gears (13) mesh with the outer tooth grooves.The two sides of the linkage gear (13) are respectively rotatably connected to traction rope winding rollers (14). Each end of the traction rope winding roller (14) is provided with a toothed column (15). The outer surface of the toothed column (15) is provided with several gear teeth (37). The gear teeth (37) mesh with the linkage gear (13). The two traction rope winding rollers (14) respectively wind up traction rope one (16) and traction rope two (17). The traction rope one (16) moves through the rope hole and passes around the roller (20) in the transfer groove (23) and passes through the adjustment groove (21) to meet the slider (18). One side is fixed, the slider (18) is slidably connected in the adjustment groove (21), the end of the second traction rope (17) moves through the adjustment groove (21) and is fixedly connected to the other side of the slider (18), the end of the slider (18) passes through the adjustment opening (22) to the outside of the support leg (9) and is fixedly connected to the steel sleeve (19), the center of the side of the second half-shell (8) is provided with an installation groove (41) that cooperates with the rotary motor, and both the first half-shell (7) and the second half-shell (8) are provided with a sliding groove (40) that cooperates with the toothed ring (10). A storage groove (39) is provided on the side of the second half-shell (8) and outside the mounting groove (41). The limiting component includes an annular plate (31) slidably connected inside the storage groove (39). An adjusting cylinder (32) is connected between one side of the annular plate (31) and the inner wall of the storage groove (39). The other side of the annular plate (31) is connected to the limiting plate (29) via a connecting rod (30). Several limiting plates (29) are evenly distributed on the side of the annular plate (31). The limiting plates (29) are slidably connected inside the storage groove (39). Both sides of the wheel tooth (37) are provided with arc-shaped grooves (33). Several movable grooves (34) are provided on the inner wall of the arc-shaped grooves (33). A limiting tooth plate (35) is rotatably connected to the interior of each movable groove (34) via a shaft. A conical tooth (36) is fixed to the bottom of the limiting tooth plate (35). The limiting assembly also includes several conical teeth (38) fixed to the top of the wheel tooth (37). The conical teeth (38) are adapted to the conical teeth (36). The limiting tooth plate (35) is engaged with the tooth gap of the wheel tooth (37) through the conical teeth (36) and the conical teeth (38).

2. The welding equipment for steel cages of road and bridge pile foundations according to claim 1, characterized in that, The rebar sleeve (19) has a rebar clamping hole (24). A threaded groove (25) is provided on the outer surface of the rebar sleeve (19) and on one side of the rebar clamping hole (24). An external threaded ring (28) is threaded into the threaded groove (25). The external threaded ring (28) is fixed on the sealing plate (26). A sealing plug (27) is provided at the center of the side of the sealing plate (26) and inside the external threaded ring (28). The sealing plug (27) is adapted to the rebar clamping hole (24).

3. The welding equipment for steel cages of road and bridge pile foundations according to claim 2, characterized in that, The welding mechanism includes a fixed plate (43) fixed on the movable frame (55) and a sliding plate (42) slidably connected to the movable frame (55). A lifting cylinder (44) is installed on the fixed plate (43). The extension and retraction output end of the lifting cylinder (44) is connected and fixed to the sliding plate (42). A resistance spot welding machine (45) and a rebar winding roller (46) are respectively installed on both sides of the sliding plate (42). The roller electrode (47) of the resistance spot welding machine (45) is installed at the bottom of the sliding plate (42). A thin rebar (49) is wound on the rebar winding roller (46). A guide cylinder (48) and a guide wheel (50) that cooperate with the thin rebar (49) are provided on the sliding plate (42).

4. The welding equipment for steel cages of road and bridge pile foundations according to claim 3, characterized in that, A thick steel bar is inserted into the steel bar clamping hole (24), and a second set of electrodes is installed in the steel bar clamping hole (24). The second set of electrodes is adapted to the thick steel bar.

Images