A welding system applied to a tunnel reinforcing cage

Abstract

The application discloses a welding system applied to a tunnel steel reinforcement cage and belongs to the technical field of welding systems, which comprises a main reinforcement feeding mechanism, a hoop manufacturing mechanism, a conveying belt, a steel reinforcement cage carrier mechanism and multiple sets of welding manipulators and is characterized in that the main reinforcement feeding mechanism is located at the left side or the right side of the steel reinforcement cage carrier mechanism, and multiple sets of the welding manipulators are located at the front and back sides of the steel reinforcement cage carrier mechanism; the hoop manufacturing mechanism is used to manufacture the hoop of the steel reinforcement cage, the manufactured hoop is placed on the conveying belt, the hoop is taken off from the other end of the conveying belt, the upper and lower ends of the hoop are clamped in the steel reinforcement cage carrier mechanism respectively, the main reinforcement is penetrated into the steel reinforcement cage carrier mechanism layer by layer, the welding manipulators are used to weld the main reinforcement and the hoop, and the steel reinforcement cage is formed, so that the systematic welding of the tunnel steel reinforcement cage is realized, the welding efficiency is greatly improved, batch rapid production can be carried out, and the situation that the tunnel construction period is delayed is avoided.

Description

Technical Field

[0001] This invention belongs to the field of welding system technology, and particularly relates to a welding system for use in tunnel steel reinforcement cages. Background Technology

[0002] A tunnel is an engineering structure buried underground, representing a form of human utilization of underground space. Tunnels can be categorized into traffic tunnels, hydraulic tunnels, municipal tunnels, mining tunnels, and military tunnels. Steel reinforcement, as an integral part of the tunnel structure, is extensively used during tunnel construction.

[0003] Currently, due to the large size of the steel reinforcement cage, manual welding is inefficient and the welding precision is difficult to control, which is not conducive to the large-scale and rapid production of the steel reinforcement cage, thus delaying the tunnel construction period. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of low welding efficiency, low welding accuracy, and inability to mass-produce tunnel steel reinforcement cages due to manual welding, and to propose a welding system for tunnel steel reinforcement cages.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a welding system for tunnel steel reinforcement cages, comprising a main reinforcement feeding mechanism, a hoop-making mechanism, a conveyor belt, a steel reinforcement cage carrier mechanism, and multiple sets of welding robots fixedly installed on a workbench. The main reinforcement feeding mechanism is located on the left or right side of the steel reinforcement cage carrier mechanism, the multiple sets of welding robots are located on the front and rear sides of the steel reinforcement cage carrier mechanism, and the conveyor belt is located between the hoop-making mechanism and the steel reinforcement cage carrier mechanism.

[0006] As a further description of the above technical solution:

[0007] The steel cage carrier mechanism includes a top plate, a bottom plate, multiple positioning columns, and multiple positioning cylinders. Both the top plate and the bottom plate are arc-shaped plates. The bottom plate is fixedly installed on the workbench, and the arc-shaped opening of the bottom plate faces the conveyor belt. The multiple positioning columns are fixedly connected to the bottom plate and are arranged in a circular array along the axis of the bottom plate. The multiple positioning cylinders are fixedly installed on the front and rear sides of the positioning columns. The top plate is connected to the truss through an electric cylinder, and the top plate presses down on the top of the positioning columns.

[0008] As a further description of the above technical solution:

[0009] The main rib feeding mechanism includes a fixed frame, a fixed plate, and multiple guide wheels. The fixed plate is connected to the fixed frame via a lifting mechanism. The fixed plate is an arc-shaped plate, and the arc-shaped opening of the fixed plate faces the conveyor belt. The multiple guide wheels are fixedly installed on the fixed plate, and the guide wheels are arranged in a circular array along the axis of the fixed plate.

[0010] As a further description of the above technical solution:

[0011] The axes of the top plate, the bottom plate, and the fixed plate all coincide.

[0012] As a further description of the above technical solution:

[0013] Multiple fixing grooves are provided on the bottom surface of the top plate and the top surface of the bottom plate, and the fixing grooves on the top plate correspond one-to-one with the fixing grooves on the bottom plate.

[0014] As a further description of the above technical solution:

[0015] The lifting mechanism includes a lifting platform, a first lead screw, and a guide rod. The fixed plate is fixedly installed on the lifting platform. The first lead screw and the guide rod are both hinged to the fixed frame. The lifting platform is screwed to the first lead screw, and the lifting platform slides along the guide rod.

[0016] As a further description of the above technical solution:

[0017] The hoop-making mechanism includes a worktable, a motor, two sets of driving rollers and driven rollers. The two sets of driving rollers are hinged to the worktable. The motor is fixedly installed on the worktable and drives the two sets of driving rollers through a chain. The driven rollers are connected to the worktable through a flat-pushing mechanism.

[0018] As a further description of the above technical solution:

[0019] The flat pushing mechanism includes a flat pressure block, a base, and a second lead screw. The base is fixedly installed on the workbench, the second lead screw is screwed onto the base, the flat pressure block is fixedly installed on one end of the second lead screw, the driven roller is hinged onto the flat pressure block, and a hand crank is fixedly installed on the other end of the second lead screw.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1. In this invention, the hoop of the steel cage is manufactured by using a hoop-making mechanism. The manufactured hoop is placed on a conveyor belt, removed from the other end of the conveyor belt, and the upper and lower ends of the hoop are respectively clamped in the steel cage carrier mechanism. The main reinforcement feeding mechanism continuously corrects and guides the main reinforcement, which is then inserted into the steel cage carrier mechanism layer by layer. The main reinforcement and the hoop are welded by a welding robot to form a steel reinforcement skeleton. This realizes the systematic welding of the tunnel steel reinforcement skeleton, greatly improves the welding efficiency, and enables rapid mass production, thus avoiding delays in tunnel construction.

[0022] 2. In this invention, by setting the axis of the top plate, the axis of the bottom plate, and the axis of the fixing plate to coincide, the main reinforcement bars, under the guidance of the guide wheels, enter the steel cage carrier mechanism with an arc that matches the top plate and the bottom plate. This facilitates the smooth assembly of the main reinforcement bars, is beneficial for mass welding production, and greatly improves welding efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a welding system applied to a tunnel steel reinforcement cage.

[0024] Figure 2 for Figure 1 A magnified view of part A in the middle.

[0025] Figure 3 for Figure 1 A magnified view of part B in the middle section.

[0026] Figure 4 This is a side view of a welding system applied to a tunnel reinforcement cage.

[0027] Figure 5 This is a reference diagram showing the usage status of a welding system applied to the steel reinforcement cage of a tunnel.

[0028] Figure 6 This is a schematic diagram of the hoop-making mechanism in a welding system for tunnel steel reinforcement cages.

[0029] Legend:

[0030] 1. Workbench; 2. Main reinforcement feeding mechanism; 21. Fixed frame; 22. Fixed plate; 23. Guide wheel; 3. Hoop making mechanism; 31. Workbench; 32. Motor; 33. Driven roller; 34. Driven roller; 4. Conveyor belt; 5. Reinforcing cage carrier mechanism; 51. Top plate; 52. Bottom plate; 53. Positioning column; 54. Positioning cylinder; 6. Welding robot; 7. Electric cylinder; 8. Truss; 9. Lifting mechanism; 91. Lifting platform; 92. First lead screw; 93. Guide rod; 10. Fixed groove; 11. Chain; 12. Flat pushing mechanism; 121. Flat pressure block; 122. Base; 123. Second lead screw; 13. Hand crank. Detailed Implementation

[0031] 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.

[0032] Please see Figure 1-6 The present invention provides a technical solution: a welding system for a tunnel steel reinforcement cage, comprising a main reinforcement feeding mechanism 2, a hoop-making mechanism 3, a conveyor belt 4, a steel reinforcement cage carrier mechanism 5, and multiple sets of welding robots 6 fixedly installed on a workbench 1. The main reinforcement feeding mechanism 2 is located on the left or right side of the steel reinforcement cage carrier mechanism 5, the multiple sets of welding robots 6 are located on the front and rear sides of the steel reinforcement cage carrier mechanism 5, and the conveyor belt 4 is located between the hoop-making mechanism 3 and the steel reinforcement cage carrier mechanism 5.

[0033] The rebar cage carrier mechanism 5 includes a top plate 51, a bottom plate 52, multiple positioning columns 53, and multiple positioning cylinders 54. Both the top plate 51 and the bottom plate 52 are arc-shaped plates. The bottom plate 52 is fixedly mounted on the workbench 1, with its arc-shaped opening facing the conveyor belt 4. The multiple positioning columns 53 are fixedly connected to the bottom plate 52 and arranged in a circular array along the axis of the bottom plate 52. The multiple positioning cylinders 54 are fixedly mounted on the front and rear sides of the positioning columns 53. The top plate 51 is connected to the truss 8 via an electric cylinder 7, and the top plate 51 presses against the conveyor belt 4. The top of the positioning column 53; the bottom surface of the top plate 51 and the top surface of the bottom plate 52 are provided with multiple fixing grooves 10. The fixing grooves 10 on the top plate 51 correspond one-to-one with the fixing grooves 10 on the bottom plate 52. When welding is being carried out, the upper and lower ends of the hoop are engaged in the fixing grooves 10 of the top plate 51 and the bottom plate 52. When the main reinforcement is fed in, it is held against the positioning cylinder 54 and attached to the hoop. The welding robot 6 is used to weld the main reinforcement and the hoop to form a steel reinforcement skeleton. After the welding is completed, the electric cylinder 7 rises and drives the top plate 51 away from the positioning column 53. The steel reinforcement skeleton can be removed as a whole, which greatly improves the welding efficiency.

[0034] The main rib feeding mechanism 2 includes a fixed frame 21, a fixed plate 22, and multiple guide wheels 23. The fixed plate 22 is connected to the fixed frame 21 through a lifting mechanism 9. The fixed plate 22 is an arc-shaped plate, and the arc-shaped opening of the fixed plate 22 faces the conveyor belt 4. The multiple guide wheels 23 are fixedly installed on the fixed plate 22, and the guide wheels 23 are arranged in a circular array along the axis of the fixed plate 22. The multiple guide wheels 23 have the function of correcting and guiding the main rib, thereby facilitating the smooth assembly of the main rib and being beneficial for mass welding production.

[0035] The axes of the top plate 51, the bottom plate 52, and the fixed plate 22 all coincide, which makes it easy for the main reinforcement to enter the steel cage carrier mechanism 5 under the guidance of the guide wheel 23. The arc of the main reinforcement is matched with the top plate 51 and the bottom plate 52, which facilitates the smooth assembly of the main reinforcement, is conducive to mass welding production, and greatly improves welding efficiency.

[0036] The lifting mechanism 9 includes a lifting platform 91, a first lead screw 92, and a guide rod 93. The fixed plate 22 is fixedly installed on the lifting platform 91. The first lead screw 92 and the guide rod 93 are both hinged to the fixed frame 21. The lifting platform 91 is screwed to the first lead screw 92. The lifting platform 91 slides along the guide rod 93. The rotation of the first lead screw 92 drives the lifting platform 91 to rise and fall. The guide rod 93 guides the rising and falling sliding of the lifting platform 91. The fixed plate 22 located on the lifting platform 91 also rises and falls together, so that the main reinforcement passing through the fixed plate 22 can be guided to different height positions in the steel cage carrier mechanism 5.

[0037] The hoop-making mechanism 3 includes a workbench 31, a motor 32, two sets of driving rollers 33 and driven rollers 34. The two sets of driving rollers 33 are hinged to the workbench 31. The motor 32 is fixedly installed on the workbench 31 and drives the two sets of driving rollers 33 through a chain 11. The driven rollers 34 are connected to the workbench 1 through a flat pushing mechanism 12. The rotation of the motor 32 drives the two sets of driving rollers 33 to rotate. The position of the driven rollers 34 can be adjusted by adjusting the flat pushing mechanism 12, so that the hoop passing through the driving rollers 33 and driven rollers 34 can be bent to different degrees.

[0038] The flat pushing mechanism 12 includes a flat pressing block 121, a base 122, and a second lead screw 123. The base 122 is fixedly installed on the worktable 31, and the second lead screw 123 is screwed onto the base 122. The flat pressing block 121 is fixedly installed on one end of the second lead screw 123, and the driven roller 34 is hinged onto the flat pressing block 121. A hand crank 13 is fixedly installed on the other end of the second lead screw 123. Rotating the hand crank 13 can drive the second lead screw 123 to move. The second lead screw 123 spirals on the base 122, thereby adjusting the position of the flat pressing block 121 and thus the position of the driven roller 34. The operation is flexible and convenient, and the hoop passing through the driving roller 33 and the driven roller 34 can be bent to different degrees.

[0039] Working principle: First, the motor 32 rotates, driving the two sets of active rollers 33 to rotate. Turning the hand crank 13 drives the second lead screw 123 to move. The second lead screw 123 spirals on the base 122, thereby adjusting the position of the flat pressure block 121, and consequently the position of the driven roller 34. This causes the hoop passing through the active roller 33 and driven roller 34 to be bent to different degrees, completing the hoop preparation. The prepared hoop is placed on the conveyor belt 4, and removed from the other end of the conveyor belt 4. At this time, the top plate 51 is in the state of pressing down on the top of the positioning column 53. The upper and lower ends of the hoop are then engaged in the fixing grooves 10 of the top plate 51 and the bottom plate 52. Next, the main rib is placed onto the fixing plate 22. After the main reinforcement bar passes through multiple guide wheels 23 on the fixed plate 22, it enters the steel cage carrier mechanism 5. When the main reinforcement bar is sent in, it is held against the positioning cylinder 54 and attached to the hoop. The first screw 92 rotates to drive the lifting platform 91 to rise and fall. The guide rod 93 guides the lifting and sliding of the lifting platform 91. The fixed plate 22 on the lifting platform 91 also rises and falls together, thereby guiding the main reinforcement bar to different height positions in the steel cage carrier mechanism 5 in sequence. Then, the welding robot 6 welds the main reinforcement bar and the hoop to form a steel cage. Finally, when the welding is completed, the electric cylinder 7 on the truss 8 rises and drives the top plate 51 away from the positioning column 53, and the steel cage can be removed as a whole.

[0040] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A welding system for use in tunnel steel reinforcement cages, characterized in that: It includes a main bar feeding mechanism (2), a hoop-making mechanism (3), a conveyor belt (4), a steel cage carrier mechanism (5), and multiple welding robots (6) fixedly installed on the workbench (1). The main bar feeding mechanism (2) is located on the left or right side of the steel cage carrier mechanism (5), and the multiple welding robots (6) are located on the front and rear sides of the steel cage carrier mechanism (5). The conveyor belt (4) is located between the hoop-making mechanism (3) and the steel cage carrier mechanism (5). The steel cage carrier mechanism (5) includes a top plate (51), a bottom plate (52), multiple positioning columns (53) and multiple positioning cylinders (54). The top plate (51) and the bottom plate (52) are both arc-shaped plates. The bottom plate (52) is fixedly installed on the workbench (1). The arc-shaped opening of the bottom plate (52) faces the conveyor belt (4). The multiple positioning columns (53) are fixedly connected to the bottom plate (52), and the multiple positioning columns (53) are arranged in a ring array along the axis of the bottom plate (52). The multiple positioning cylinders (54) are fixedly installed on the front and rear sides of the positioning columns (53). The top plate (51) is connected to the truss (8) through an electric cylinder (7), and the top plate (51) presses down on the top of the positioning column (53). The main rib feeding mechanism (2) includes a fixed frame (21), a fixed plate (22) and multiple guide wheels (23). The fixed plate (22) is connected to the fixed frame (21) through a lifting mechanism (9). The fixed plate (22) is an arc-shaped plate, and the arc-shaped opening of the fixed plate (22) faces the conveyor belt (4). Multiple guide wheels (23) are fixedly installed on the fixed plate (22), and the guide wheels (23) are arranged in a ring array along the axis of the fixed plate (22). The lifting mechanism (9) includes a lifting platform (91), a first lead screw (92), and a guide rod (93). The fixing plate (22) is fixedly installed on the lifting platform (91). The first lead screw (92) and the guide rod (93) are both hinged to the fixing frame (21). The lifting platform (91) is screwed to the first lead screw (92). The lifting platform (91) slides along the guide rod (93). The main reinforcement bar is placed on the fixed plate. After passing through multiple guide wheels on the fixed plate, the main reinforcement bar is inserted into the steel cage carrier mechanism. When the main reinforcement bar is sent in, it is held against the positioning cylinder and attached to the hoop. The first screw rotates to drive the lifting platform to rise and fall. The guide rod guides the lifting and sliding of the lifting platform. The fixed plate on the lifting platform also rises and falls together, thereby sequentially guiding the main reinforcement bar to different height positions in the steel cage carrier mechanism. The axis of the top plate (51), the axis of the bottom plate (52) and the axis of the fixing plate (22) all coincide; The hoop-making mechanism (3) includes a workbench (31), a motor (32), two sets of driving rollers (33) and driven rollers (34). The two sets of driving rollers (33) are hinged on the workbench (31). The motor (32) is fixedly installed on the workbench (31), and the motor (32) drives the two sets of driving rollers (33) through a chain (11). The driven rollers (34) are connected to the workbench (1) through a flat pushing mechanism (12). The flat pushing mechanism (12) includes a flat pressing block (121), a base (122), and a second lead screw (123). The base (122) is fixedly installed on the worktable (31), the second lead screw (123) is screwed onto the base (122), the flat pressing block (121) is fixedly installed on one end of the second lead screw (123), the driven roller (34) is hinged onto the flat pressing block (121), and a hand crank (13) is fixedly installed on the other end of the second lead screw (123).

2. The welding system for tunnel steel reinforcement cages according to claim 1, characterized in that, Multiple fixing grooves (10) are provided on the bottom surface of the top plate (51) and the top surface of the bottom plate (52), and the fixing grooves (10) on the top plate (51) correspond one-to-one with the fixing grooves (10) on the bottom plate (52).

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