Welding equipment for a reinforced concrete bridge reinforcement distribution device

Abstract

The application belongs to the technical field of welding equipment, and discloses a welding equipment for a rigid frame bridge steel bar distributing device, which is used for welding transverse steel bars between a plurality of parallel arranged longitudinal steel bars and comprises a resistance welding mechanism, wherein the resistance welding mechanism comprises a placing box with an open upper end, a plurality of first electrode columns are arranged in parallel on the inner bottom surface of the placing box, the upper ends of the first electrode columns are arranged to protrude out of the upper end of the placing box, the number of the first electrode columns is equal to that of the longitudinal steel bars and the first electrode columns are in one-to-one correspondence, an electric welding machine is arranged above each first electrode column, a second electrode column is coaxially arranged below each electric welding machine, a first driving unit for driving the electric welding machines to move up and down synchronously is arranged on the placing box, two elastic components are arranged to push two sliding strips to move close to each other, the transverse steel bars are positioned and clamped, the relative sliding of the transverse steel bars during the welding process is avoided, and the stable clamping and fixing of the transverse steel bars with various diameters during the welding process is applicable.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of welding equipment, and particularly relates to a welding equipment for a reinforced concrete bridge steel bar distribution device. BACKGROUND

[0002] In the construction process of a reinforced concrete bridge deck, steel mesh is often used to enhance the strength and stability of the structure. The steel mesh is composed of multiple longitudinal steel bars and multiple transverse steel bars arranged side by side. The longitudinal steel bars and the transverse steel bars are staggered and placed vertically to ensure the overall load-bearing capacity of the bridge deck. In order to fix the intersection of the longitudinal steel bars and the transverse steel bars, welding is usually required.

[0003] In current construction practice, a distribution device or a distribution equipment is often used to arrange multiple longitudinal steel bars first, and then place transverse steel bars on them. Multiple resistance welding machines are used to simultaneously weld multiple contact parts of the longitudinal steel bars and the transverse steel bars. During welding, the contact parts of the longitudinal steel bars and the transverse steel bars are placed between the two electrode columns of the resistance welding machine. The longitudinal steel bars and the transverse steel bars at the contact parts are pressed against each other by the two electrode columns, and resistance welding is performed to complete the welding of the longitudinal steel bars and the transverse steel bars. However, since the longitudinal steel bars and the transverse steel bars are both round rods, and the transverse steel bars are not constrained after being placed on the longitudinal steel bars, the transverse steel bars are likely to slide on the longitudinal steel bars during the pressing process of the two electrode columns of the resistance welding machine, causing the contact parts of the longitudinal steel bars and the transverse steel bars to shift and offset, and thus resulting in ineffective welding. Therefore, the prior art lacks constraint of the transverse steel bars, which easily causes the transverse steel bars to shift and slide during welding. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the present application is to provide a welding equipment for a reinforced concrete bridge steel bar distribution device, which solves the problem of lack of constraint of the transverse steel bars in the prior art, which easily causes the transverse steel bars to shift and slide during welding.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A welding equipment for a reinforced concrete bridge steel bar distribution device for welding transverse steel bars between multiple longitudinal steel bars arranged side by side, comprising:

[0007] The resistance welding mechanism comprises a placement box with an open upper end, a plurality of first electrode columns are arranged side by side on the inner bottom surface of the placement box, the upper ends of the first electrode columns protrude out of the upper end of the placement box, the number of the first electrode columns is equal to the number of longitudinal steel bars and each first electrode column corresponds to one longitudinal steel bar, an electric welding machine is arranged above each first electrode column, a second electrode column is coaxially arranged below each electric welding machine corresponding to the first electrode column, a first driving unit is arranged on the placement box and used for driving the electric welding machines to move up and down synchronously, a rectangular frame is arranged above the placement box and located between the first electrode columns and the second electrode columns, a pair of symmetrically arranged sliding strips are arranged in the rectangular frame, the sliding strips are arranged in parallel with the planes in which the central axes of the first electrode columns are located, the two sliding strips are symmetrically arranged about the central axes of the first electrode columns, the upper end surfaces of the two sliding strips are arranged in an inclined downward manner from the sides away from each other to the sides close to each other, elastic components are arranged on the sides of the two sliding strips away from each other, the other ends of the elastic components are fixed to the rectangular frame, the elastic components are used for driving the two sliding strips to move close to each other, the sliding strips are provided with avoiding grooves below the second electrode columns for the second electrode columns to pass through, and a second driving unit is arranged on the placement box and used for driving the rectangular frame to move up and down;

[0008] A sliding table assembly is arranged on one side of the placement box, the sliding table assembly comprises a clamping table and a third driving unit, the clamping table is used for fixing and clamping any end of the longitudinal steel bar, and the third driving unit is used for driving the clamping table to move horizontally in a direction perpendicular to the axis of the sliding strip;

[0009] Each elastic component comprises a plurality of telescopic rods which are uniformly distributed along the axis of the sliding strip, the telescopic rods are arranged horizontally and perpendicularly to the sliding strip, one end of each telescopic rod is fixed to the sliding strip, the other end of each telescopic rod is fixed to the rectangular frame, a spring is sleeved on each telescopic rod, and the two ends of the spring are fixed to the sliding strip and the rectangular frame respectively, and the spring is always in a compressed state;

[0010] The second driving unit comprises a pair of symmetrically arranged mounting plates, the two mounting plates are fixed to the two side walls of the placement box near the two ends of the sliding strip, a first telescopic cylinder is fixed vertically upward on each mounting plate, and the output end of each first telescopic cylinder is fixed to the rectangular frame;

[0011] The first driving unit comprises second telescopic cylinders which are fixed to the two mounting plates respectively, the second telescopic cylinders are arranged vertically upward, a fixed block is fixed to the output end of each second telescopic cylinder, a connecting rod which is coaxially arranged with the sliding strip is fixed between the two fixed blocks, the connecting rod is located at the upper end of the electric welding machine, a plurality of connecting blocks corresponding to the electric welding machines are sleeved on the connecting rod, and each connecting block is fixed to a corresponding electric welding machine;

[0012] The connecting block and the connecting rod are in sliding connection, the first electrode column is in sliding connection with the bottom surface of the inner side of the placing box, a sliding groove coaxial with the connecting rod is arranged on the side of the placing box away from the sliding table assembly, a connecting piece is fixedly arranged on the first electrode column, the other end of the connecting piece passes through the sliding groove and is in sliding connection with the corresponding second electrode column, a pair of ear plates are fixed on the side wall of the placing box close to the sliding groove, a sliding rod coaxial with the connecting rod is fixed between the two ear plates, and the sliding rod passes through the connecting piece and is in sliding connection with the connecting piece;

[0013] A first screw coaxial with the connecting rod is fixed between the two fixed blocks, a circular through hole coaxial with the first screw is arranged on the connecting block, a threaded sleeve is rotatably connected in the circular through hole, the outer side wall of the threaded sleeve has the same diameter as the circular through hole, the threaded sleeve is in threaded connection with the first screw, the outer side wall of the threaded sleeve is provided with a convex ring at two ends, the two sides of the connecting block are respectively attached to the two convex rings along the axial direction of the first screw, and anti-skid lines are arranged on the circumferential wall of the convex ring;

[0014] The third driving unit comprises a bottom plate, a strip-shaped groove is arranged at the upper end of the bottom plate, a second screw coaxial with the telescopic rod is rotatably connected in the strip-shaped groove, a first rotating motor for driving the second screw to rotate is installed at the end of the bottom plate away from the placing box, a first sliding block in threaded connection is arranged on the second screw, and a pair of slide rails coaxial with the second screw are fixed on the bottom plate, and a second sliding block is in sliding connection with the slide rail;

[0015] The clamping table comprises a moving plate fixed on the first sliding block, the moving plate is fixed at two ends of the second sliding block, a clamping plate is arranged above the moving plate, a wear-resistant elastic rubber plate is fixed to the lower end surface of the clamping plate, and a third telescopic cylinder for driving the clamping plate to move up and down is fixedly installed on the side wall of the moving plate through a support plate;

[0016] An arc-shaped groove coaxial with the second screw is arranged at the upper end of the first electrode column, and the lowest point of the arc-shaped groove is flush with the upper end surface of the moving plate;

[0017] The upper end of the rectangular frame is fixedly installed with an open storage box near one side of the first rotating motor, a strip-shaped groove is coaxially arranged on one side of the storage box near the second electrode column, a guide plate is fixed on the outer side wall of the storage box near the strip-shaped groove, the upper end of the guide plate is smoothly connected with the lower end face of the strip-shaped groove, the guide plate is located above the telescopic rod near the side of the first rotating motor in the rectangular frame, and the lower end of the guide plate is located above the slide bar, a rotating roller is rotatably connected inside the storage box near the position of the strip-shaped groove, the rotating roller is coaxially arranged with the strip-shaped groove, a placing groove is coaxially arranged on the circumferential wall of the rotating roller, a second rotating motor is installed on the outer side wall of the storage box for driving the rotating roller to rotate, an inclined plate is fixed in the storage box and is inclinedly arranged downward toward the rectangular frame, one end of the inclined plate is rotatably connected with the circumferential wall of the rotating roller, a pair of slidingly connected baffles are arranged in the storage box along the axis direction of the rotating roller, the baffles are slidingly connected above the rotating roller and the inclined plate, and one end of each baffle extends to the guide plate from the gap between the rotating roller and the strip-shaped groove, a fixed plate is fixed on the side wall of the open end of the storage box, the two baffles are symmetrically arranged about the fixed plate, and a fourth telescopic cylinder is coaxially arranged between the fixed plate and the baffle.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. During welding, the transverse steel bars are placed between the inclined surfaces of the two slide bars, the second electrode columns of the electric welders are driven by the first driving unit to push the transverse steel bars downward, the transverse steel bars push the two slide bars to compress the elastic components, the two slide bars move away from each other, the transverse steel bars fall between the two slide bars, the center axis of the transverse steel bars and the center axis of the first electrode column are located in the same plane during welding, the transverse steel bars are kept perpendicular to the longitudinal steel bars, the two slide bars are pushed to move close to each other by the two elastic components to press the transverse steel bars, the transverse steel bars are positioned and clamped, the relative sliding of the transverse steel bars during welding is avoided, and the stable clamping and fixing of the transverse steel bars during welding of various diameters of transverse steel bars can be achieved.

[0020] 2. The distance between any two adjacent second electrode columns can be adjusted by the cooperation of the connecting rod, the connecting block, the slide rod, the connecting piece, the first screw rod, the threaded sleeve and the convex ring, the threaded sleeve is driven to move along the first screw rod by rotating the convex ring, and the two convex rings, the connecting block, the second electrode column, the connecting piece and the first electrode column are synchronously moved by the threaded sleeve, so that the welding processing of various steel mesh sheets with different longitudinal steel bar spacings can be conveniently achieved.

[0021] When the position of the connecting block is adjusted, the accidental sliding of the connecting block during welding can be avoided due to the threaded connection between the threaded sleeve and the first screw rod.

[0022] 3, through the cooperation and setting of the clamping table and the third driving unit, the one end of the longitudinal steel bar is fixed and clamped, and meanwhile, the setting of the arc groove on the upper end of the first electrode column facilitates the pulling and moving of the longitudinal steel bar, and avoids the disengagement of the longitudinal steel bar from the first electrode column during the moving process; and in cooperation with the setting of the resistance welding mechanism, the storage box, the rotating roller, the inclined plate and the flow guide plate, the automatic feeding of the transverse steel bar is facilitated, and the orderly welding of multiple transverse steel bars on the longitudinal steel bar is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0024] Figure 1 is the overall structure schematic diagram of the present application;

[0025] Figure 2 is the overall structure schematic diagram of the present application from different perspectives;

[0026] Figure 3 is the resistance welding mechanism structure schematic diagram of the present application;

[0027] Figure 4 is the first electrode column part structure schematic diagram of the present application;

[0028] Figure 5 is the rectangular frame and slide bar part structure schematic diagram of the present application;

[0029] Figure 6 is the slide table assembly structure schematic diagram of the present application;

[0030] Figure 7 is the storage box part structure schematic diagram of the present application;

[0031] Figure 8 is the rotating roller part structure schematic diagram of the present application. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0033] As Figures 1 to 8As shown, a welding equipment of a reinforced concrete bridge reinforcing bar distribution device is used for welding transverse reinforcing bars 101 between a plurality of longitudinal reinforcing bars 100 arranged side by side, and comprises:

[0034] The resistance welding mechanism 200 comprises an open-top placing box 201, a plurality of first electrode columns 202 are arranged side by side on the inner bottom surface of the placing box 201, the upper ends of the first electrode columns 202 extend out of the upper end of the placing box 201, the number of the first electrode columns 202 is equal to the number of the longitudinal reinforcing bars 100 and corresponds one by one, an electric welding machine 203 is arranged above each first electrode column 202, a second electrode column 204 is coaxially arranged below the electric welding machine 203, a first driving unit for driving the electric welding machines 203 to move up and down synchronously is arranged on the placing box 201, a rectangular frame 205 is arranged above the first electrode columns 202 and the second electrode columns 204, a pair of symmetrically arranged sliding strips 206 are arranged in the rectangular frame 205, the sliding strips 206 are arranged in parallel with the planes in which the central axes of the first electrode columns 202 are located, the two sliding strips 206 are symmetrically arranged about the central axes of the first electrode columns 202, the upper end surfaces of the two sliding strips 206 are arranged in an inclined downward manner from the sides away from each other to the sides close to each other, elastic components are arranged on the sides of the two sliding strips 206 away from each other, the other ends of the elastic components are fixed to the rectangular frame 205, the elastic components are used to drive the two sliding strips 206 to move close to each other, an avoiding groove 2061 for the second electrode column 204 to pass through is arranged in the position below the second electrode column 204 of each sliding strip 206, and a second driving unit for driving the rectangular frame 205 to move up and down is arranged on the placing box 201;

[0035] A sliding table assembly is arranged on one side of the placing box 201, and the sliding table assembly comprises a clamping table 301 and a third driving unit 302, the clamping table 301 is used to fix and clamp any end of the longitudinal reinforcing bar 100, and the third driving unit 302 is used to drive the clamping table 301 to move horizontally in the direction perpendicular to the axis of the sliding strip 206;

[0036] The longitudinal reinforcing bars 100 are arranged horizontally on the upper ends of the corresponding first electrode columns 202, and the longitudinal reinforcing bars 100 are perpendicular to the sliding strips 206, one end of each longitudinal reinforcing bar 100 passes between the first electrode column 202 and the second electrode column 204 and is fixed by the clamping table 301, and the rectangular frame 205 is located above the longitudinal reinforcing bars 100;

[0037] After the longitudinal reinforcing bars 100 are arranged by the distribution device, the welding steps of the transverse reinforcing bars 101 are as follows:

[0038] Step one: drive the clamping table 301 to move by the third driving unit 302, drive the longitudinal steel bars 100 to move by the clamping table 301, when the longitudinal steel bars 100 move a certain distance, drive the rectangular frame 205 to move down by the second driving unit, make the lower end of the rectangular frame 205 or the slide bar 206 contact with the longitudinal steel bars 100, and place a transverse steel bar 101 between the two inclined surfaces on the upper end of the two slide bars 206, then drive each electric welder 203 and the second electrode column 204 to move down by the first driving unit, the second electrode column 204 pushes the transverse steel bar 101 to move down, the transverse steel bar 101 pushes the two slide bars 206 to extrude and compress the elastic components, so that the two slide bars 206 move away from each other, after the transverse steel bar 101 falls between the two slide bars 206, the center axis of the transverse steel bar 101 and the center axis of the first electrode column 202 are in the same plane during welding, and the transverse steel bar 101 remains perpendicular to the longitudinal steel bars 100, and the two slide bars 206 are pushed to move close to each other by the two elastic components to extrude the transverse steel bar 101, the transverse steel bar 101 is positioned and clamped by the two slide bars 206, which avoids the relative sliding of the transverse steel bar 101 during welding, and can be suitable for stable clamping and fixing when welding transverse steel bars 101 of various diameters;

[0039] Step two: after the welding of any transverse steel bar 101 is completed, the third driving unit 302 is started again to drive the rectangular frame 205 to move up, so that the rectangular frame 205 and the slide bar 206 move above the transverse steel bar 101 that has been welded to avoid interference between the clamping table 301, the longitudinal steel bars 100 and the transverse steel bar 101 that has been welded and the rectangular frame 205 and the slide bar 206 when they move;

[0040] Step three: continuously repeat step one and step two to weld multiple transverse steel bars 101 between the longitudinal steel bars 100, and complete the laying and welding of the steel mesh.

[0041] In order to position and clamp the transverse steel bar 101 that falls between the two slide bars 206, the elastic component includes multiple telescopic rods 207 that are uniformly distributed along the axis direction of the slide bar 206, the telescopic rods 207 are horizontally placed and perpendicular to the slide bar 206, one end of the telescopic rod 207 is fixed to the slide bar 206, the other end of the telescopic rod 207 is fixed to the rectangular frame 205, a spring 208 is sleeved on the telescopic rod 207, the two ends of the spring 208 are fixed to the slide bar 206 and the rectangular frame 205 respectively, and the spring 208 is always in a compressed state; when the second electrode column 204 pushes the transverse steel bar 101 to move down, the transverse steel bar 101 can push the two slide bars 206 to extrude and compress the telescopic rods 207 and the springs 208, so that the two slide bars 206 move away from each other; after the transverse steel bar 101 falls between the two slide bars 206, the two slide bars 206 are pushed to extrude the two sides of the transverse steel bar 101 by the elastic force of the spring 208, so as to clamp and fix the transverse steel bar 101.

[0042] In order to facilitate automatic control of the lifting movement of the rectangular frame 205, the second driving unit includes a pair of symmetrically placed mounting plates 209, which are respectively fixed to the two side walls of the placement box 201 near the two ends of the sliding bar 206. The mounting plates 209 are each fixed with a first telescopic cylinder 210 placed vertically upward, and the output end of the first telescopic cylinder 210 is fixed with the rectangular frame 205. By opening the first telescopic cylinder 210, the rectangular frame 205 is pushed to move up and down.

[0043] In order to facilitate automatic control of the synchronous lifting of each second electrode column, and to realize simultaneous welding of any contact part of the transverse steel bar 101 and the longitudinal steel bar 100, the first driving unit includes a second telescopic cylinder 211 fixed on each mounting plate 209. The second telescopic cylinder 211 is placed vertically upward, and the output end of the second telescopic cylinder 211 is fixed with a fixed block 212. Between the two fixed blocks 212, a connecting rod 213 is fixed, which is coaxially placed with the sliding bar 206. The connecting rod 213 is located at the upper end of the electric welding machine 203. A plurality of connecting blocks 214 corresponding to the electric welding machine 203 are sleeved on the connecting rod 213, and the connecting blocks 214 are fixed with the corresponding electric welding machine 203. By driving the fixed block 212, the connecting rod 213 and the connecting block 214 with the second telescopic cylinder 211, the synchronous lifting movement of each electric welding machine 203 and the second electrode column 204 is realized.

[0044] In order to facilitate the welding processing of various steel mesh sheets with different spacing sizes of longitudinal steel bars 100, the connecting block 214 and the connecting rod 213 are slidably connected, the first electrode column 202 is slidably connected with the inner bottom surface of the placement box 201, and the side of the placement box 201 away from the sliding table assembly is provided with a sliding groove 2011 coaxially placed with the connecting rod 213. The first electrode column 202 is fixed with a connecting piece 215, the other end of the connecting piece 215 passes through the sliding groove 2011 and is slidably sleeved on the corresponding second electrode column 204 of the first electrode column 202. A pair of ear plates are fixed on the side wall of the placement box 201 near the sliding groove 2011, and a sliding rod 216 coaxially placed with the connecting rod 213 is fixed between the two ear plates. The sliding rod 216 passes through the connecting piece 215 and is slidably connected therewith. By moving the connecting block 214 along the connecting rod 213, the connecting block 214 drives the corresponding electric welding machine 203, the second electrode column 204, the connecting piece 215 and the first electrode column 202 to adjust the position synchronously, and the distance between any two adjacent second electrode columns 204 can be adjusted, which is convenient for welding processing of various steel mesh sheets with different spacing sizes of longitudinal steel bars 100.

[0045] And by the arrangement of the sliding rod 216, the stability of the placement and movement of the first electrode column 202 is improved.

[0046] After the position adjustment of the connecting blocks 214 is completed, in order to avoid the accidental sliding of the connecting blocks 214 during the welding process, causing the misalignment of the second electrode column 204 and the welding points on the reinforcement mesh, a first screw rod 217 is coaxially arranged between the two fixed blocks 212, a circular through hole coaxial with the first screw rod 217 is formed in the connecting block 214, a threaded sleeve 218 is rotatably connected in the circular through hole, the outer diameter of the threaded sleeve 218 is equal to the diameter of the circular through hole, the threaded sleeve 218 is sleeved on the first screw rod 217 and is threadedly connected with the first screw rod 217, a convex ring is arranged on the outer side wall of each end of the threaded sleeve 218, the two sides of the connecting block 214 along the axis direction of the first screw rod 217 are respectively attached to the two convex rings, and anti-skid lines are formed in the circumferential wall of the convex ring; the threaded sleeve 218 is driven to move along the first screw rod 217 by rotating the convex ring, and the two convex rings and the connecting block 214 are simultaneously moved by the threaded sleeve 218, so that the accidental sliding of the connecting block 214 during the welding process can be avoided.

[0047] The third driving unit 302 comprises a bottom plate 3021, a strip-shaped groove is formed in the upper end of the bottom plate 3021, a second screw rod 3022 coaxially arranged with the telescopic rod 207 is rotatably connected in the strip-shaped groove, a first rotating motor 3023 for driving the second screw rod 3022 to rotate is installed at the end of the bottom plate 3021 away from the placing box 201, a first sliding block 3024 threadedly connected with the second screw rod 3022 is sleeved on the second screw rod 3022, a pair of slide rails 3025 coaxially arranged with the second screw rod 3022 are fixed on the bottom plate 3021, and a second sliding block is slidably connected on each slide rail 3025.

[0048] The clamping table 301 comprises a moving plate 3011 fixed on the first sliding block 3024, the two ends of the moving plate 3011 are respectively fixed with the two second sliding blocks, a clamping plate 3012 is arranged above the moving plate 3011, a wear-resistant elastic rubber plate is fixed on the lower end face of the clamping plate 3012, a third telescopic cylinder 3013 for driving the clamping plate 3012 to move up and down is fixedly installed on the side wall of the moving plate 3011 through a support plate;

[0049] One end of the longitudinal reinforcement 100 is placed between the moving plate 3011 and the clamping plate 3012, the clamping plate 3012 and the elastic rubber plate are moved downward by the third telescopic cylinder 3013, the clamping and fixing of one end of the longitudinal reinforcement 100 is completed by the mutual extrusion of the clamping plate 3012 and the moving plate 3011, and the contact area of the clamping table 301 and the longitudinal reinforcement 100 during clamping and fixing is increased by the arrangement of the wear-resistant elastic rubber plate, which can reduce the sliding of the longitudinal reinforcement 100 during clamping and fixing, and increase the friction, thereby avoiding the separation of the clamping table 301 and the longitudinal reinforcement 100 during the movement of the clamping table 301;

[0050] By starting the first rotating motor 3023 to drive the second screw 3022, the second screw 3022 drives the first sliding block 3024 to screw transmission, the first sliding block 3024 drives the moving plate 3011, and then drives the clamping table 301 and the longitudinal steel bar 100 to move.

[0051] In order to avoid the longitudinal steel bar 100 from being separated from the first electrode column 202 during the pulling process, the upper end of the first electrode column 202 is provided with a circular arc groove 2021 coaxially arranged with the second screw 3022, and the lowest point of the circular arc groove 2021 is flush with the upper end surface of the moving plate 3011; the longitudinal steel bar 100 is placed in the circular arc groove 2021 to avoid the longitudinal steel bar 100 from being separated from the first electrode column 202 during the pulling process.

[0052] In order to facilitate automatic feeding of the transverse steel bars 101, the rectangular frame 205 is fixedly installed with an open-ended storage box 400 near one side of the first rotating motor 3023, the storage box 400 is provided with a strip-shaped groove 401 coaxially arranged near one side of the second electrode column 204, a flow guide plate 402 is fixedly arranged on the outer side wall of the storage box 400 near the strip-shaped groove 401, the upper end of the flow guide plate 402 is smoothly connected with the lower end surface of the strip-shaped groove 401, the flow guide plate 402 is located above the telescopic rod 207 near the first rotating motor 3023 in the rectangular frame 205, and the lower end of the flow guide plate 402 is located above the slide bar 206, a rotating roller 403 is rotatably connected in the storage box 400 near the strip-shaped groove 401, the rotating roller 403 is coaxially arranged with the strip-shaped groove 401, a placing groove 4031 coaxially arranged is formed in the circumferential wall of the rotating roller 403, a second rotating motor 404 for driving the rotating roller 403 to rotate is installed on the outer side wall of the storage box 400, an inclined plate 405 is fixedly arranged in the storage box 400 and is inclined downward to the rectangular frame 205, one end of the inclined plate 405 is rotatably connected with the circumferential wall of the rotating roller 403, a pair of slidingly connected baffles 406 are arranged in the storage box 400 along the axis direction of the rotating roller 403, the baffles 406 are slidingly connected above the rotating roller 403 and the inclined plate 405, and one end of each of the baffles 406 extends to the flow guide plate 402 from the gap between the rotating roller 403 and the strip-shaped groove 401, a fixed plate is fixedly arranged on the side wall of the open end of the storage box 400, the two baffles 406 are symmetrically arranged about the fixed plate, and a fourth telescopic cylinder 407 coaxially arranged with the rotating roller 403 is arranged between the fixed plate and the baffle 406; the transverse steel bars 101 are placed above the inclined plate 405 in the storage box 400, the distance between the two baffles 406 is adjusted by the two fourth telescopic cylinders 407 according to the length of the transverse steel bars 101, so that the two ends of the transverse steel bars 101 are respectively attached to the baffles 406, the second rotating motor 404 is turned on to drive the rotating roller 403, so that any transverse steel bar 101 is placed in the placing groove 4031, and the transverse steel bar 101 is discharged from the strip-shaped groove 401 by the rotation of the rotating roller 403, the transverse steel bar 101 slides to the middle of the two slide bars 206 through the flow guide plate 402, preferably, the placing groove 4031 formed in the rotating roller 403 is at least one, which facilitates automatic feeding of the transverse steel bars 101.

[0053] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A welding apparatus for a rigid frame bridge reinforcement bar laying device for welding a transverse reinforcement bar (101) between a plurality of longitudinal reinforcement bars (100) arranged side by side, characterized by, The utility model relates to a resistance welding mechanism (200) and a sliding table assembly, and the resistance welding mechanism (200) comprises a placing box (201) with an open upper end, a plurality of first electrode columns (202) are arranged side by side on the inner bottom surface of the placing box (201), the upper ends of the first electrode columns (202) extend out of the upper end of the placing box (201), the number of the first electrode columns (202) is equal to the number of longitudinal reinforcing bars (100) and each first electrode column (202) corresponds to one longitudinal reinforcing bar (100), an electric welding machine (203) is arranged above each first electrode column (202), a second electrode column (204) is coaxially arranged below each electric welding machine (203) and corresponds to the corresponding first electrode column (202), a first driving unit is arranged on the placing box (201) and is used for driving each electric welding machine (203) to move up and down synchronously, a rectangular frame (205) is arranged above the placing box (201) and is located between the first electrode columns (202) and the second electrode columns (204), a pair of symmetrically arranged sliding strips (206) are arranged in the rectangular frame (205), the sliding strips (206) are arranged in parallel with the planes in which the central axes of the first electrode columns (202) are located, the two sliding strips (206) are symmetrically arranged about the central axes of the first electrode columns (202), the upper end surfaces of the two sliding strips (206) are arranged in an inclined downward manner from the sides that are away from each other to the sides that are close to each other, elastic components are arranged on the sides of the two sliding strips (206) that are away from each other, the other ends of the elastic components are fixed to the rectangular frame (205), the elastic components are used for driving the two sliding strips (206) to move close to each other, the sliding strips (206) are provided with avoiding grooves (2061) below the second electrode columns (204) and the second electrode columns (204) pass through the avoiding grooves (2061), and a second driving unit is arranged on the placing box (201) and is used for driving the rectangular frame (205) to move up and down. The sliding table assembly is arranged on one side of the placing box (201) and comprises a clamping table (301) and a third driving unit (302), the clamping table (301) is used for clamping and fixing any end of the longitudinal reinforcing bar (100), and the third driving unit (302) is used for driving the clamping table (301) to move horizontally along the direction perpendicular to the axes of the sliding strips (206). Each elastic component comprises a plurality of telescopic rods (207) that are uniformly distributed along the axial direction of the sliding strip (206), the telescopic rods (207) are arranged horizontally and perpendicularly to the sliding strip (206), one end of each telescopic rod (207) is fixed to the sliding strip (206), the other end of each telescopic rod (207) is fixed to the rectangular frame (205), a spring (208) is arranged on each telescopic rod (207), the two ends of the spring (208) are fixed to the sliding strip (206) and the rectangular frame (205) respectively, and the spring (208) is always in a compressed state.

2. The welding apparatus of a reinforced bridge steel bar distribution device according to claim 1, characterized in that, The second driving unit comprises a pair of symmetrically arranged mounting plates (209), the two mounting plates (209) are fixed to the two side walls of the placing box (201) near the two ends of the sliding strip (206), a first telescopic cylinder (210) is fixed vertically upward on each mounting plate (209), and the output ends of the first telescopic cylinders (210) are fixed to the rectangular frame (205).

3. The welding equipment for a steel reinforcement placing device for a rigid frame bridge according to claim 2, characterized in that, ​ 4. The welding apparatus of claim 3, wherein the welding apparatus is a device for welding a reinforcement material of a rigid frame bridge. The first driving unit comprises second telescopic cylinders (211) fixed on the two mounting plates (209) respectively, the second telescopic cylinders (211) are vertically upward, the output ends of the second telescopic cylinders (211) are fixed with fixed blocks (212), the two fixed blocks (212) are fixed with a connecting rod (213) coaxially placed with the slide bar (206), the connecting rod (213) is located at the upper end of the electric welding machine (203), a plurality of connecting blocks (214) corresponding to the electric welding machine (203) are sleeved on the connecting rod (213), and the connecting blocks (214) are fixed with the corresponding electric welding machine (203).

5. The welding apparatus of claim 4, wherein the welding apparatus is a device for welding a reinforcement material for a rigid frame bridge. The connecting blocks (214) and the connecting rod (213) are slidably connected, the first electrode column (202) is slidably connected with the inner bottom surface of the placing box (201), a sliding groove (2011) coaxially placed with the connecting rod (213) is formed in the side of the placing box (201) away from the sliding table assembly, a connecting piece (215) is fixedly sleeved on the first electrode column (202), the other end of the connecting piece (215) penetrates through the sliding groove (2011) and is slidably sleeved on the corresponding second electrode column (204) of the first electrode column (202), a pair of ear plates are fixed on the side wall of the placing box (201) close to the sliding groove (2011), a sliding rod (216) coaxially placed with the connecting rod (213) is fixed between the two ear plates, and the sliding rod (216) penetrates through the connecting piece (215) and is slidably connected with the connecting piece (215).

6. The welding apparatus of claim 5, wherein the welding apparatus is a device for welding reinforcement of a rigid frame bridge. A first screw rod (217) coaxially placed with the connecting rod (213) is fixed between the two fixed blocks (212), a circular through hole coaxially placed with the first screw rod (217) is formed in the connecting block (214), a threaded sleeve (218) is rotatably connected in the circular through hole, the outer side wall diameter of the threaded sleeve (218) is equal to the diameter of the circular through hole, the threaded sleeve (218) is sleeved on the first screw rod (217) and is threadedly connected with the first screw rod (217), convex rings are arranged on the outer side walls at both ends of the threaded sleeve (218), the two side walls of the connecting block (214) in the axial direction of the first screw rod (217) are respectively attached to the two convex rings, and anti-skid lines are formed in the circumferential walls of the convex rings.

7. The welding apparatus of claim 6, wherein the welding apparatus is a device for welding reinforcement of a rigid frame bridge. The third driving unit (302) comprises a bottom plate (3021), a strip-shaped groove is formed in the upper end of the bottom plate (3021), a second screw rod (3022) coaxially placed with the telescopic rod (207) is rotatably connected in the strip-shaped groove, a first rotating motor (3023) for driving the second screw rod (3022) to rotate is installed at the end of the bottom plate (3021) away from the placing box (201), a first sliding block (3024) is sleeved on the second screw rod (3022) in a threaded connection manner, a pair of slide rails (3025) coaxially placed with the second screw rod (3022) are fixed on the bottom plate (3021), and the slide rails (3025) are slidably connected with second sliding blocks; The clamping table (301) comprises a moving plate (3011) fixed on the first sliding block (3024), the moving plate (3011) is fixed with two second sliding blocks at two ends respectively, a clamping plate (3012) is arranged above the moving plate (3011), a wear-resistant elastic rubber plate is fixed to the lower end surface of the clamping plate (3012), and a third telescopic cylinder (3013) for driving the clamping plate (3012) to move up and down is fixed and installed on the side wall of the moving plate (3011) through a support plate.

8. The welding apparatus of claim 7, wherein the welding apparatus is a device for welding a reinforcement material for a rigid frame bridge. The first electrode column (202) is provided with a circular arc groove (2021) coaxially arranged at the upper end of the second screw rod (3022), and the lowest point of the circular arc groove (2021) is flush with the upper end surface of the moving plate (3011).

9. The welding apparatus of claim 8, wherein the welding apparatus is a device for welding reinforcement of a rigid frame bridge. The rectangular frame (205) is fixedly installed with an open-topped storage box (400) on one side close to the first rotating motor (3023), the storage box (400) is provided with a strip-shaped groove (401) coaxially arranged on the side close to the second electrode column (204), a guide plate (402) is fixed to the outer side wall of the storage box (400) close to the strip-shaped groove (401), the upper end of the guide plate (402) is smoothly connected with the lower end surface of the strip-shaped groove (401), the guide plate (402) is located above the telescopic rod (207) in the rectangular frame (205) close to the side of the first rotating motor (3023), and the lower end of the guide plate (402) is located above the sliding strip (206), the storage box (400) is rotatably connected with a rotating roller (403) at a position close to the strip-shaped groove (401), the rotating roller (403) is coaxially arranged with the strip-shaped groove (401), the circumferential wall of the rotating roller (403) is provided with a placement groove (4031) coaxially arranged, the storage box (400) is provided with a second rotating motor (404) for driving the rotating roller (403) to rotate, the storage box (400) is fixedly provided with an inclined plate (405) inclined downward to the rectangular frame (205), one end of the inclined plate (405) is rotatably connected with the circumferential wall of the rotating roller (403), the storage box (400) is provided with a pair of slidingly connected baffle plates (406) arranged along the axis direction of the rotating roller (403), the baffle plates (406) are slidingly connected above the rotating roller (403) and the inclined plate (405), and one end of each baffle plate (406) extends to the guide plate (402) from the gap between the rotating roller (403) and the strip-shaped groove (401), a fixed plate is fixed to the side wall of the opening end of the storage box (400), the two baffle plates (406) are symmetrically arranged about the fixed plate, and the fourth telescopic cylinder (407) coaxially arranged with the rotating roller (403) is arranged between the fixed plate and the baffle plates (406).

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