Rib welding auxiliary device

Abstract

The application discloses an arch rib welding auxiliary device and relates to the technical field of arch bridge construction.The welding auxiliary device comprises a left clamping ring and a right clamping ring;the left semicircle clamping body and the right semicircle clamping body are both provided with a semicircle sleeve in rotational cooperation with the semicircle clamping body;two symmetrical rotating frames are arranged on the side wall of the semicircle sleeve on the right semicircle clamping body;each rotating frame is provided with a connecting rod column in rotational cooperation with the rotating frame;the connecting rod column is provided with a side pressing structure capable of rotating relative to the connecting rod column;the end of the connecting rod column away from the rotating frame is provided with a flat head;the side wall of the semicircle sleeve on the left semicircle clamping body is provided with two connecting components for fixing the side pressing structure;the end of the right semicircle clamping body is provided with an extension plate, and the extension plate is provided with a rotary driving element.The application has the advantages of simple structure, convenient operation, high practicability, close adhesion of two parts of the arch rib body, automatic alignment of the two parts, improved welding strength and welding precision, and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of arch bridge construction technology, and particularly relates to an arch rib welding auxiliary device. BACKGROUND

[0002] The steel pipe concrete arch bridge is one of the tied arch bridges, and mainly comprises arch ribs, tie rods and suspender structures. The arch rib is the framework of the main arch ring of the arch bridge, and mainly plays a role of connecting and supporting the main body of the bridge.

[0003] In the process of erecting the arch bridge, the main arch ring of the arch bridge is divided into a plurality of arch ribs for transportation. In the process of construction, the adjacent two arch ribs are butted together by a crane, and then are fixed by welding. However, the end of the two arch ribs is prone to misalignment when being butted, which results in a large welding error and misaligned welding, and affects the strength and quality of the arch rib. SUMMARY

[0004] The present application aims to provide an arch rib welding auxiliary device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions.

[0006] An arch rib welding auxiliary device comprises a left clamping ring formed by clamping two left semicircular clamping bodies and a right clamping ring formed by clamping two right semicircular clamping bodies. The left clamping ring and the right clamping ring are clamped on the main body of the arch rib and are located on the two sides of the welding position respectively. A semicircular sleeve that rotates with the left semicircular clamping body and the right semicircular clamping body is arranged on the left semicircular clamping body and the right semicircular clamping body. Two symmetrical rotating frames are arranged on the side wall of the semicircular sleeve on the right semicircular clamping body. A connecting rod column that rotates with the rotating frame is arranged on each rotating frame. A side pressing structure that can rotate relative to the connecting rod column is arranged on the connecting rod column. The end of the connecting rod column away from the rotating frame has a flat head. Two connecting components for fixing the side pressing structure are arranged on the side wall of the semicircular sleeve on the left semicircular clamping body. When the flat head is fixed with the connecting component, one end of the side pressing structure can abut on the outer wall of the main body of the arch rib in a rolling manner. The end of the right semicircular clamping body is provided with an extension plate, and a rotary driving member is arranged on the extension plate. The rotary driving member is connected with the semicircular sleeve on the right semicircular clamping body, and the rotary driving member can drive the semicircular sleeve to rotate around the center of the main body of the arch rib.

[0007] On the basis of the above technical solutions, the present application further provides the following optional technical solutions.

[0008] In an optional solution, the side of the left semicircular clamping body and the right semicircular clamping body is provided with an outer folding part, and the outer wall of the left semicircular clamping body and the right semicircular clamping body is provided with a fastening hole.

[0009] In an optional scheme, the side pressing structure comprises a sleeve and a roller, the sleeve is sleeved on the connecting rod column and connected to the end of the rotating frame by the spring, the end of the sleeve away from the rotating frame is provided with a lower ejecting part, the middle part of the roller is rotatably arranged on the sleeve, a pushing element is arranged between the two connecting rod columns, and the pushing element is connected to the rollers in the two side pressing structures; when the flat head approaches the left semicircular clamping body, the connecting part of the left semicircular clamping body can push the lower ejecting part and move the sleeve towards the rotating frame; the pushing element can drive the moving roller to rotate around the center line of the sleeve.

[0010] In an optional scheme, the roller comprises a side pressing support, a side pressing roller and an upper connecting rod, the side pressing support is rotatably arranged on the sleeve, the side pressing roller is arranged at the lower end of the side pressing support and can rotate freely, the upper connecting rod is arranged at the upper end of the side pressing support and can slide relative to the sleeve, a guide groove is arranged on the arm of the side pressing support and a sliding block is arranged in the guide groove, and the end of the upper connecting rod is fixedly connected to the sliding block; the pushing element is connected to the upper connecting rod.

[0011] In an optional scheme, the pushing element comprises a pushing frame and two pushing rods, the pushing frame is fixed between the two connecting rod columns, a first support is arranged on the pushing frame and the ends of the two pushing rods are connected to the first support, a second support is arranged at the end of each pushing rod and hinged to the second support, and the second support is sleeved on the upper connecting rod.

[0012] In an optional scheme, the connecting part comprises a fixed frame, a connecting clamping body and a guide arc plate, the fixed frame is fixed to the outer wall of the semicircular sleeve, the connecting clamping body is arranged at the end of the fixed frame and used for being tightly connected to the flat head by bolts, and the guide arc plate is arranged at the lower side of the connecting clamping body.

[0013] In an optional scheme, the lower ejecting part comprises a lower ejecting rod and a lower ejecting roller, the lower ejecting rod is fixed to the end of the sleeve away from the rotating frame, and the lower ejecting roller is rotatably arranged at one end of the lower ejecting rod.

[0014] In an optional scheme, the rotating driving element comprises a power rotating shaft, a gear and a power motor, the power rotating shaft is rotatably arranged on the outer extension plate, the power motor is arranged on the outer extension plate and the output end of the power motor is connected to one end of the power rotating shaft, the gear is arranged at the end of the power rotating shaft away from the power motor, the outer wall of the right semicircular clamping body is provided with an arc-shaped gear rack, and the arc-shaped gear rack is engaged with the gear.

[0015] Compared with the prior art, the application has the following advantages:

[0016] 1. In the present application, the two parts of the arch rib body can be tightly abutted at the welding position by the left and right clamping ring members connected by the connecting rod column, thereby reducing the gap between the two parts of the arch rib body and improving the welding strength;

[0017] 2. In the present application, when the connecting rod column is connected with the connecting member, one end of the side pressing structure can abut on the outer wall of the arch rib body in a rolling manner, and the rotation of the side pressing structure around the arch rib body can align the two parts of the arch rib body, thereby improving the welding precision;

[0018] 3. The present application has simple structure, can tightly fit the two parts of the arch rib body and automatically align them, thereby improving the welding strength and precision, and is convenient to operate and has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the welding auxiliary structure in an embodiment of the present application.

[0020] Figure 2 It is a schematic view of the right clamping ring member structure in an embodiment of the present application.

[0021] Figure 3 It is a schematic view of the left clamping ring member structure in an embodiment of the present application. Figure 2 It is an enlarged structure schematic view of A in the present application.

[0022] Figure 4 It is an enlarged structure schematic view of A in the present application.

[0023] Legend: left clamping ring member 100, left semicircular clamping body 110, fixing frame 120, connecting clamping body 130, guiding arc plate 140, right clamping ring member 200, right semicircular clamping body 210, rotating frame 220, rotating driving member 230, arc-shaped rack 231, power rotating shaft 232, gear member 233, power motor 234, connecting rod column 240, outer extension plate 250, flat head 260, side pressing structure 270, sleeve member 271, side pressing support 272, side pressing roller 273, upper connecting rod 274, spring member 275, guide groove 276, sliding block member 277, pushing frame 280, first support 281, pushing rod member 282, second support 283, lower top driving part 290, lower top rod 291, lower top roller 292, arch rib body 300, welding position 310, outer folding part 400, fastening hole 500, semicircular sleeve 600. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. In the drawings and description, similar or identical parts are referred to by the same reference numerals, and in practical applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in this invention are merely illustrative and not intended to limit the scope of the invention. Any obvious modifications or changes made to this invention do not depart from the spirit and scope of the invention.

[0025] In one embodiment, such as Figures 1-4 As shown, an arch rib welding auxiliary device includes a left retaining ring 100 formed by two left semicircular retaining bodies 110 and a right retaining ring 200 formed by two right semicircular retaining bodies 210. Both the left retaining ring 100 and the right retaining ring 200 are fitted onto the arch rib body 300 and located on opposite sides of the welding area 310. Each of the left and right semicircular retaining bodies 110 and 210 is provided with a semicircular sleeve 600 that rotatably engages with it. Two symmetrical rotating frames 220 are provided on the side wall of the semicircular sleeve 600 on the right semicircular retaining body 210. Each rotating frame 220 is provided with a connecting rod 240 that rotatably engages with it. The connecting rod 240 is provided with a component capable of rotating relative to it. The side-pressure structure 270 and the end of the connecting rod 240 away from the rotating frame 220 have a flat head 260; the side wall of the semi-circular sleeve 600 on the left semi-circular clamping body 110 is provided with two connecting parts for fixing the side-pressure structure 270. When the flat head 260 is fixed with the connecting parts, one end of the side-pressure structure 270 can roll against the outer wall of the arch rib body 300. The end of the right semi-circular clamping body 210 is provided with an extension plate 250 and a rotation drive 230 is provided on the extension plate 250. The rotation drive 230 is connected to the semi-circular sleeve 600 on the right semi-circular clamping body 210 and the rotation drive 230 can drive the semi-circular sleeve 600 to rotate around the center of the arch rib body 300.

[0026] In the embodiment of the present application, the left clamping ring member 100 and the right clamping ring member 200 are clamped on the arch rib body 300 and symmetrically arranged with the welding position 310 as the center of symmetry, the two semicircular sleeves 600 on the left clamping ring member 100 can form a rotating ring, and the two semicircular sleeves 600 on the right clamping ring member 200 also form a rotating ring, the rotating frame 220 on the right clamping ring member 200 can rotate around the semicircular sleeve 600, so that the end of the connecting rod column 240 is close to the left semicircular clamping body 110 in a rotating manner, in the rotating process of the connecting rod column 240, the lower end of the side pressing structure 270 can gradually approach the outer wall of the arch rib body 300, when the flat head 260 is fixed with the connecting member, one end of the side pressing structure 270 can abut on the outer wall of the arch rib body 300 in a rolling manner; further, the arch rib body 300 can be pressed from the side, under the action of the rotary driving member 230, the rotating ring formed by the two semicircular sleeves 600 can rotate around the center of the arch rib body 300, so that the connecting rod column 240 and the side pressing structure 270 can rotate around the arch rib body 300, the part of the side pressing structure 270 in contact with the outer wall of the arch rib body 300 has a radial pressure, if the two parts of the arch rib body 300 are in a misaligned state, in the rotating process of the side pressing structure 270 around the arch rib body 300, the side pressing structure 270 can align the arch rib body 300, so that the welding position 310 forms a circular part, and the rotary driving member 230 can also adjust the position of the connecting rod column 240 and the side pressing structure 270, so as to leave a welding space, thereby facilitating the welding operation.

[0027] In one embodiment, as shown in Figure 2 and Figure 4 , the side of the left semicircular clamping body 110 and the right semicircular clamping body 210 is provided with an outer folding part 400, and the outer wall of the left semicircular clamping body 110 and the right semicircular clamping body 210 is provided with a fastening hole 500; in the embodiment of the present application, the outer folding part 400 can facilitate the connection of the two left semicircular clamping bodies 110 and the corresponding connection of the two right semicircular clamping bodies 210, and the fastening hole 500 can realize the fastening of the left clamping ring member 100 and the right clamping ring member 200 with the arch rib body 300.

[0028] In one embodiment, as shown in Figure 2As shown, the side pressing structure 270 comprises a sleeve piece 271 and a roller pressing piece, the sleeve piece 271 is sleeved on the connecting rod column 240 and connected between the end of the sleeve piece 271 close to the rotating frame 220 and the rotating frame 220 through a spring piece 275, the end of the sleeve piece 271 away from the rotating frame 220 is provided with a lower jacking part 290, the middle part of the roller pressing piece is rotatably arranged on the sleeve piece 271, a pushing piece is arranged between the two connecting rod columns 240 and connected with the roller pressing pieces in the two side pressing structures 270; when the flat head part 260 is close to the left semicircle clamping body 110, the connecting part of the left semicircle clamping body 110 can push the lower jacking part 290 and make the sleeve piece 271 move towards the rotating frame 220; the pushing piece can drive the moving roller pressing piece to rotate around the center line of the sleeve piece 271; in the embodiment of the application, when the left clamping ring piece 100 and the right clamping ring piece 200 are installed, in order to make the two parts of the arch rib body 300 abut at the welding part 310, the two connecting rod columns 240 on the right semicircle clamping body 210 are connected with the two connecting parts on the left semicircle clamping body 110; when the flat head part 260 at the end of the connecting rod column 240 is close to and fastened with the connecting part, the connecting part can push the lower jacking part 290 and make the sleeve piece 271 move towards the rotating frame 220, the roller pressing piece moves along with the sleeve piece 271, under the action of the pushing piece, one end of the roller pressing piece can abut against the side wall of the arch rib body 300 in a rolling manner; thus, when the semicircle sleeve 600 rotates, the roller pressing piece makes the two parts of the arch rib body 300 align at the welding part 310, thereby improving the welding strength and the arch rib welding precision.

[0029] In one embodiment, as shown in Figure 2 and Figure 3 As shown, the roller pressing piece comprises a side pressing support 272, a side pressing roller 273 and an upper connecting rod 274, the side pressing support 272 is rotatably arranged on the sleeve piece 271, the side pressing roller 273 is arranged at the lower end of the side pressing support 272 and can freely rotate, the upper connecting rod 274 is arranged at the upper end of the side pressing support 272 and can slide relative to the sleeve piece 271, a guide groove 276 is arranged on the supporting arm of the side pressing support 272 and a sliding block piece 277 is arranged inside the guide groove 276, the end of the upper connecting rod 274 is fixedly connected with the sliding block piece 277; the pushing piece is connected with the upper connecting rod 274; in the embodiment of the application, when the side pressing support 272 moves along with the sleeve piece 271, the pushing piece can push the upper connecting rod 274 and make it rotate away from or close to the side of the arch rib body 300, so that the side pressing roller 273 rotates close to or away from the side of the arch rib body 300, and the upper connecting rod 274 avoids interference by keeping in the same horizontal state with the pushing piece, the end of the upper connecting rod 274 slides inside the guide groove 276 through the sliding block piece 277 to realize the movement relative to the side pressing support 272.

[0030] In one embodiment, as shown in Figure 2As shown, the pushing member comprises a pushing frame 280 and two pushing rod members 282, the pushing frame 280 is fixed between the two connecting rod columns 240, the pushing frame 280 is provided with a first support 281 and the two pushing rod members 282 are both connected with the first support 281, the ends of the two pushing rod members 282 away from the first support 281 are both provided with a second support 283 which is hingedly connected with the second support 283, the second support 283 is sleeved on the upper connecting rod 274; in the embodiment of the present application, when the side pressing support 272 moves relative to the sleeve member 271, under the pushing of 284, since one end of the pushing rod member 282 is rotationally connected with the first support 281, the side pressing support 272 can rotate relative to the sleeve member 271, so that the second support 283 can automatically abut against the outer wall of the arch rib body 300.

[0031] In one embodiment, as shown in Figure 1 , Figure 2 and Figure 4 , the connecting member comprises a fixed frame 120, a connecting clamping body 130 and a guiding arc plate 140, the fixed frame 120 is fixed on the outer wall of the semicircular sleeve 600, the connecting clamping body 130 is arranged at the end of the fixed frame 120 and is used for being fastened and matched with the flat head part 260 through bolts, and the guiding arc plate 140 is arranged at the lower side of the connecting clamping body 130; in the embodiment of the present application, the flat head part 260 is close to the connecting clamping body 130 from top to bottom, so that the bottom of the lower jacking part 290 can contact the guiding arc plate 140, and along with the lower jacking part 290 close to the connecting clamping body 130, the guiding arc plate 140 can push the lower jacking part 290 and the sleeve member 271 to move on the connecting rod column 240 in cooperation with the spring member 275.

[0032] In one embodiment, as shown in Figure 2 , the lower jacking part 290 comprises a lower jacking rod 291 and a lower jacking roller 292, the lower jacking rod 291 is fixed at the end of the sleeve member 271 away from the rotating frame 220, and the lower jacking roller 292 is arranged at one end of the lower jacking rod 291 in a freely rotating manner; in the embodiment of the present application, when the lower jacking part 290 is close to the guiding arc plate 140, the lower jacking roller 292 can contact the surface of the guiding arc plate 140 in a rolling manner, so as to reduce the friction of relative movement.

[0033] In one embodiment, as shown in Figure 2As shown, the rotating driving member 230 comprises a power shaft 232, a gear member 233 and a power motor 234; the power shaft 232 is rotatably arranged on the extension plate 250, the power motor 234 is arranged on the extension plate 250 and the output end of the power motor 234 is connected with one end of the power shaft 232, the gear member 233 is arranged on the end of the power shaft 232 away from the power motor 234, and the outer wall of the right half circular clamping body 210 is provided with an arc-shaped rack 231 which is engaged with the gear member 233; in the embodiment, the two arc-shaped racks 231 can form a gear ring; the power motor 234 drives the power shaft 232 to rotate, and the power shaft 232 is engaged with the gear ring formed by the two arc-shaped racks 231 through the gear member 233, so that the two half circular sleeves 600 can rotate relative to the center 300.

[0034] The above embodiment provides an arch rib welding auxiliary device, wherein the left clamping ring member 100 and the right clamping ring member 200 are clamped on the arch rib body 300 and symmetrically arranged with the welding part 310 as the center of symmetry, the two half circular sleeves 600 on the left clamping ring member 100 can constitute a rotating ring, and the two half circular sleeves 600 on the right clamping ring member 200 also form a rotating ring, the end of the connecting rod column 240 is close to the left half circular clamping body 110 in a rotating manner due to the fact that the rotating frame 220 on the right clamping ring member 200 can rotate around the half circular sleeve 600, in the rotating process of the connecting rod column 240, the lower end of the side pressing structure 270 can gradually approach the outer wall of the arch rib body 300, when the flat head 260 is fixed with the connecting member, one end of the side pressing structure 270 can abut on the outer wall of the arch rib body 300 in a rolling manner; the arch rib body 300 can be pressed from the side, under the action of the rotating driving member 230, the rotating ring formed by the two half circular sleeves 600 can rotate around the center of the arch rib body 300, so that the connecting rod column 240 and the side pressing structure 270 can rotate around the arch rib body 300, the part of the side pressing structure 270 in contact with the outer wall of the arch rib body 300 has a radial pressure, if the two parts of the arch rib body 300 are in a misaligned state, in the rotating process of the side pressing structure 270 around the arch rib body 300, the side pressing structure 270 can align the arch rib body 300, so that the welding part 310 forms a circular part, and the rotating driving member 230 can also adjust the positions of the connecting rod column 240 and the side pressing structure 270, so as to leave a welding space, thereby facilitating the welding operation.

[0035] The above only describes the specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An arch rib welding auxiliary device, comprising a left retaining ring formed by two left semicircular retaining bodies engaging and a right retaining ring formed by two right semicircular retaining bodies engaging, wherein both the left and right retaining rings are fitted onto the arch rib body and are respectively located on both sides of the welding area; characterized in that, Both the left and right semicircular card bodies are provided with semicircular sleeves that rotate with them. Two symmetrical rotating frames are provided on the side wall of the semi-circular sleeve on the right semi-circular card body. Each rotating frame is provided with a connecting rod column that rotates with it. The connecting rod column is provided with a side pressure structure that can rotate relative to it, and the end of the connecting rod column away from the rotating frame has a flat head. Two connecting components for fixing the side pressure structure are provided on the semi-circular sleeve side wall of the left semi-circular card body. When the flat head is fixed with the connecting components, one end of the side pressure structure can roll against the outer wall of the arch rib body. The right semicircular card body has an extension plate at its end, and a rotation drive component is provided on the extension plate. The rotation drive component is connected to the semicircular sleeve on the right semicircular card body, and the rotation drive component can drive the semicircular sleeve to rotate around the center of the arch rib body. The side-pressure structure includes a sleeve and a roller; The sleeve is slidably sleeved on the connecting rod column, and the end of the sleeve near the rotating frame is connected to the rotating frame by a spring. The end of the sleeve away from the rotating frame has a downward pushing part, and the middle part of the roller is rotatably mounted on the sleeve. A pusher is provided between the two connecting rods, and the pusher is connected to the rollers in the two side pressure structures; When the flat head approaches the left semicircular clamping body, the connecting part of the left semicircular clamping body can push the lower pushing part, causing the sleeve to move towards the rotating frame; the pushing part can drive the moving roller to rotate about the center line of the sleeve as the axis; The roller pressing component includes a side pressing bracket, a side pressing roller, and an upper connecting rod; The side pressure bracket is rotatably mounted on the sleeve, and the side pressure roller is located at the lower end of the side pressure bracket and can rotate freely. The upper connecting rod is located at the upper end of the side pressure bracket and can slide relative to the sleeve. The support arm of the side pressure bracket is provided with a guide groove and a slider is provided inside the guide groove. The end of the upper connecting rod is fixedly connected to the slider, and the pusher is connected to the upper connecting rod. The pushing component includes a pushing frame and two pushing rods; The push frame is fixed between two connecting rods, and a first support is provided on the push frame, with the ends of the two push rods abutting against the first support. Both push rods have a second support hinged to their ends away from the first support, and the second support is fitted onto the upper connecting rod.

2. The arch rib welding auxiliary device according to claim 1, characterized in that, Both the left and right semicircular card bodies have outward folds on their sides, and fastening holes are provided on the outer walls of both the left and right semicircular card bodies.

3. The arch rib welding auxiliary device according to claim 1, characterized in that, The connecting component includes a fixing frame, a connecting clip, and a guide arc plate; The fixing frame is fixed on the outer wall of the semi-circular sleeve, the connecting clip is located at the end of the fixing frame and is used to fasten the flat head with bolts, and the guide arc plate is located on the lower side of the connecting clip.

4. The arch rib welding auxiliary device according to claim 3, characterized in that, The lower pusher includes a lower pusher rod and a lower pusher roller. The lower pusher rod is fixed to the end of the sleeve component away from the rotating frame, and the lower pusher roller is disposed at one end of the lower pusher rod in a manner that allows it to rotate freely.

5. The arch rib welding auxiliary device according to claim 1, characterized in that, The rotary drive component includes a power shaft, gear components, and a power motor; The power shaft is rotatably mounted on the extension plate, the power motor is mounted on the extension plate and its output end is connected to one end of the power shaft, and the gear component is located at the end of the power shaft away from the power motor. The outer wall of the right semi-circular card body is provided with an arc-shaped rack, which meshes with the gear component.

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