Surfacing device for double-metal surfacing wear-resistant bent pipe

By using components such as curved guide tubes, support rods, and hydraulic cylinders in the pipe bending welding device to fix and center the pipe, the problem of welding torch position variation during pipe bending welding is solved, and the accuracy and consistency of the welding work are achieved.

CN223572296UActive Publication Date: 2025-11-21AI TIWEI JIANGSU MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423117408.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-21
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

During the welding process of bent pipes, the position of the welding gun changes due to the curvature of the pipe, resulting in deviations in the welding process.

Method used

A bimetallic overlay welding device for wear-resistant bent pipes is used, including an operating table, a motor, fixing parts and a mounting plate. The bent pipe is fixed and centered by components such as curved guide tubes, support rods and hydraulic cylinders to ensure the stability of the welding gun position.

Benefits of technology

This effectively avoids deviations in the welding torch position, ensuring the accuracy and consistency of the welding process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223572296U_ABST
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Abstract

The utility model relates to the technical field of elbow pipe processing, in particular to a surfacing device for a bimetallic surfacing wear-resistant elbow pipe, which comprises an operating platform, a motor, a fixing piece and a mounting plate, the fixing piece is installed at the top end of the operation table, and a curve guide pipe used for installing a welding gun in the using state is arranged at the top end of the fixing piece. The multiple mounting plates are arranged on the outer side of the curve guide pipe in a sleeving mode, and multiple supporting rods used for placing the mounting plates and the bent pipe in a centering mode in the surfacing state are arranged on the side faces of the mounting plates; one end of the bent pipe moves towards the curve guide pipe and is connected to the outer side of the curve guide pipe in a sleeving mode, the other end of the bent pipe is located at the welding gun at the end of the curve guide pipe, and the supporting rod on the outer side of the curve guide pipe extends towards the inner wall of the bent pipe and is matched with the mounting plate to conduct centering adjustment on the curve guide pipe and the bent pipe. And the condition of deviation of surfacing work is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cladding devices of double-metal cladding wear-resistant elbow pipe. BACKGROUND

[0002] In the fluid conveying process, in order to improve the wear resistance and corrosion resistance of the pipeline, the wear-resistant and corrosion-resistant metal material is cladded in the inner wall of the base layer pipeline by using the cladding process, which is a way to prepare wear-resistant and corrosion-resistant pipelines and fittings.

[0003] The Chinese patent document with the authorization announcement number CN208743997U discloses a full-automatic elbow pipe inner wall cladding machine, which comprises a main shaft, a main overturning platform installed on the main shaft, and a counterweight installed on the main overturning platform. One end of the main shaft is connected to a power mechanism, which drives the main shaft to rotate under the action of the power mechanism, thereby enabling the main overturning platform to rotate. A curved guide pipe is installed on the main overturning platform, and a welding gun is installed in the curved guide pipe. The welding end of the welding gun extends out of one side of the main overturning platform. A reciprocating sliding platform is provided on one side of the main overturning platform, and a plurality of positioning clamping pieces are installed on the reciprocating sliding platform. The positioning clamping pieces are used to clamp the workpiece that needs to be cladded.

[0004] However, in the above-mentioned scheme, since the elbow pipe has a certain curvature, when in use, one end of the curved guide pipe is fixed on the main overturning platform, and the other end is in a suspended state. The end of the other end of the curved guide pipe may be displaced downward with the welding gun, which may cause the position of the curved guide pipe and the welding gun to change, resulting in deviation in the cladding work. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problems in the background art and provides a cladding device for double-metal cladding wear-resistant elbow pipe.

[0006] The technical scheme of the utility model is as follows: a cladding device for double-metal cladding wear-resistant elbow pipe, comprising an operating table, a motor, a fixing piece, and a mounting plate.

[0007] The fixing piece is installed at the top end of the operating table, and the top end of the fixing piece is provided with a curved guide pipe for installing the welding gun in the use state.

[0008] The mounting plate has a plurality of mounting plates, and the mounting plate is provided with a plurality of support rods for centering and placing the mounting plate and the elbow pipe in the cladding state.

[0009] The motor is installed at the middle bottom end of the operating table, the output shaft of the motor extends to the upper middle part of the operating table, and the output shaft of the motor is provided with a mounting seat for supporting and fixing the elbow pipe.

[0010] Preferably, the support rod comprises a hydraulic cylinder and a connecting plate;

[0011] The number of hydraulic cylinders is multiple, and the multiple hydraulic cylinders are installed on the side of the mounting plate and extend towards the edge of the mounting plate;

[0012] The connecting plate is installed on the end of the hydraulic cylinder;

[0013] The number of universal balls is multiple, and the multiple hydraulic cylinders are installed on the end face of the connecting plate and extend towards the hydraulic cylinder.

[0014] Preferably, the multiple hydraulic cylinders are arranged at equal angles around the center of the mounting plate, and the spacing values of the multiple hydraulic cylinders from the center of the mounting plate are the same.

[0015] Preferably, the mounting plate comprises a mounting plate body, a connecting strip and a throat clamp;

[0016] The mounting plate body is sleeved outside the curved guide pipe;

[0017] The number of connecting strips is multiple, and the multiple mounting plate bodies are arranged at equal angles on the side of the mounting plate body;

[0018] The throat clamp is wrapped outside the connecting strip.

[0019] Preferably, the middle part of the mounting plate body is provided with a mounting hole, and in the cooperation and installation state of the mounting plate body and the curved guide pipe, the curved guide pipe is cooperatively accommodated in the mounting hole.

[0020] Preferably, the mounting seat comprises a supporting plate and a limiting rod;

[0021] The supporting plate is installed on the output shaft of the motor at the upper end face of the operating table;

[0022] The number of limiting rods is multiple, and the multiple limiting rods are slidingly installed on the top end of the supporting plate, and every two limiting rods in the multiple limiting rods form a group.

[0023] Preferably, the limiting rod comprises a fixed rod, a sliding block and a bolt;

[0024] The sliding block is slidingly installed on the top end of the supporting plate;

[0025] The fixed rod is arranged at the top of one end of the sliding block;

[0026] The bolt is installed at the other end of the sliding block and penetrates the sliding block to contact the supporting plate.

[0027] Preferably, the upper end face of the supporting plate is provided with a sliding groove, the sliding block is located inside the sliding groove, and the sliding block and the sliding groove are arranged in cooperation with the size.

[0028] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0029] This invention involves moving one end of a bent pipe towards the outside of a curved guide pipe and fitting it onto the outside of the curved guide pipe, while the other end is located at the welding gun at the end of the curved guide pipe. The support rod on the outside of the curved guide pipe extends towards the inner wall of the bent pipe and cooperates with the mounting plate to center and adjust the curved guide pipe and the bent pipe, thus avoiding deviations in the welding process. Attached Figure Description

[0030] Figure 1 This is a perspective view of one embodiment of the present invention.

[0031] Figure 2 This is a schematic diagram of the support rod and mounting plate structure in one embodiment of the present invention.

[0032] Figure 3 This is a schematic diagram of the mounting base structure in one embodiment of the present invention.

[0033] Reference numerals in the attached drawings: 1. Operating platform; 2. Motor; 3. Mounting base; 31. Support plate; 32. Slide groove; 33. Bolt; 34. Fixing rod; 35. Sliding block; 4. Curved guide tube; 5. Fixing component; 6. Support rod; 61. Hydraulic cylinder; 62. Connecting plate; 63. Universal ball; 7. Mounting plate; 71. Mounting plate body; 72. Connecting strip; 73. Hose clamp; 74. Mounting hole. Detailed Implementation

[0034] Example 1

[0035] like Figures 1-3 As shown, the present invention proposes a welding device for bimetallic wear-resistant bent pipe, which includes an operating table 1, a motor 2, a fixing component 5 and a mounting plate 7.

[0036] The fixing component 5 is installed on the top of the operating table 1. The top of the fixing component 5 is provided with a curved guide tube 4 for installing the welding torch in use. The fixing component 5 is a limiting structure for the curved guide tube 4. In use, the curved guide tube 4 can be fixed by a telescopic rod, an electric telescopic rod, a hydraulic cylinder, a mounting plate, and a hose clamp.

[0037] The mounting plate 7 has multiple mounting plates 7, all of which are sleeved on the outside of the curved guide tube 4. The side of the mounting plate 7 is provided with multiple support rods 6 for aligning the mounting plate 7 with the bend tube in the weld overlay state.

[0038] The motor 2 is installed at the bottom center of the operating table 1. The output shaft of the motor 2 extends to the top center of the operating table 1. The output shaft of the motor 2 is fitted with a mounting base 3 for supporting and fixing the bent pipe.

[0039] In the embodiment, the curved guide pipe 4 is fixed on the fixing member 5, and the elbow pipe is fixed on the mounting seat 3, the motor 2 drives the mounting seat 3 to rotate on the operation table 1, the elbow pipe moves towards the curved guide pipe 4, and the mounting plate 7 and the supporting rod 6 are placed inside the elbow pipe during the movement of the elbow pipe, and the end of the curved guide pipe 4 is located at the end of the elbow pipe, and the supporting rod 6 is started to extend to the inner wall of the elbow pipe, the position of the mounting plate 7 is adjusted, the mounting plate 7 drives the curved guide pipe 4 to adjust the position, and the curved guide pipe 4 is supported, the curved guide pipe 4 is placed in the center of the elbow pipe, the welding gun in the curved guide pipe 4 is started to rotate to carry out the overlay welding work, the mounting seat 3 is reversely rotated by the motor 2, the mounting seat 3 drives the elbow pipe to move towards the end of the curved guide pipe 4, the material on the inner wall of the elbow pipe is prevented from being hindered by the supporting rod 6, and the supporting rod 6 is continuously extended to contact the operation table 1 when part of the mounting plate 7 is located outside the elbow pipe, the curved guide pipe 4 is protected by the supporting rod 6, and the position of the curved guide pipe 4 is adjusted when the elbow pipe is separated from the supporting rod 6.

[0040] Embodiment two

[0041] As shown in Figure 2 the embodiment, the overlay welding device for the bimetallic overlay welding wear-resistant elbow pipe is provided, compared with the embodiment one, in the embodiment, the supporting rod 6 comprises a hydraulic cylinder 61 and a connecting plate 62.

[0042] The number of the hydraulic cylinders 61 is multiple, the multiple hydraulic cylinders 61 are all installed on the side surface of the mounting plate 7, and the end part extends towards the edge direction of the mounting plate 7; it should be noted that the multiple hydraulic cylinders 61 are arranged at equal angles around the center of the mounting plate 7, the spacing value of the multiple hydraulic cylinders 61 and the center of the mounting plate 7 is the same, and the number of the hydraulic cylinders 61 extending towards the end surface of the operation table 1 in the multiple hydraulic cylinders 61 is at least two, which is used to extend to the end surface of the operation table 1 when the elbow pipe is separated, cooperate with the mounting plate 7 to continuously support and limit the end of the curved guide pipe 4, and avoid that the supporting rod 6 at the end of the curved guide pipe 4 is separated from the curved guide pipe 4, and the supporting rod 6 and the curved guide pipe 4 move downwards by the thickness of the elbow pipe wall.

[0043] The connecting plate 62 is installed on the end part of the hydraulic cylinder 61.

[0044] The number of the universal ball 63 is multiple, the multiple hydraulic cylinders 61 are all installed on the end surface of the connecting plate 62, and the end part extends towards the extension direction of the hydraulic cylinder 61.

[0045] In the embodiment, the hydraulic cylinders 61 are started, and the hydraulic cylinders 61 drive the universal balls 63 to extend to the inner wall of the elbow pipe through the connecting plates 62, the hydraulic cylinders 61 are arranged at equal angles around the center of the mounting plate 7, the spacing values of the hydraulic cylinders 61 and the center of the mounting plate 7 are the same, the hydraulic cylinders 61 drive the mounting plate 7 to adjust the position, and the number of the universal balls 63 mounted on the connecting plates 62 is multiple, so that the cooperation of the universal balls 63 and the connecting plates 62 can avoid the inclination of the mounting plate 7.

[0046] Embodiment three

[0047] As shown in Figure 2 the utility model discloses a kind of overlaying welding devices of double metal overlaying welding wear-resistant elbow pipe, compared with embodiment one, in the embodiment, mounting plate 7 includes mounting plate body 71, connecting strip 72 and throat clamp 73;

[0048] Mounting plate body 71 is sleeved on the outside of curved guide pipe 4.

[0049] The number of connecting strip 72 is multiple, and multiple mounting plate body 71 is arranged at equal angles on the side surface of mounting plate body 71.

[0050] Throat clamp 73 is wrapped on the outside of connecting strip 72.

[0051] In an optional embodiment, mounting hole 74 is formed in the middle of mounting plate body 71, and curved guide pipe 4 is accommodated in mounting hole 74 in the cooperation and installation state of mounting plate body 71 and curved guide pipe 4.

[0052] In the embodiment, mounting plate body 71 is sleeved on the outside of curved guide pipe 4 through mounting hole 74, and the end of connecting strip 72 is driven to shrink to curved guide pipe 4 by throat clamp 73, so that connecting strip 72 clamps curved guide pipe 4, and mounting plate body 71 is detachably mounted on the outside of curved guide pipe 4.

[0053] Embodiment four

[0054] As shown in Figure 3 the utility model discloses a kind of overlaying welding devices of double metal overlaying welding wear-resistant elbow pipe, compared with embodiment one, in the embodiment, mounting seat 3 includes support plate 31 and limiting rod.

[0055] Support plate 31 is installed on the output shaft of motor 2 at the upper end surface of operating table 1.

[0056] The number of limiting rod is multiple, and multiple limiting rods are slidably installed at the top end of support plate 31, and every two limiting rods in the multiple limiting rods are a group.

[0057] In an optional embodiment, limiting rod includes fixed rod 34, sliding block 35 and bolt 33

[0058] The sliding block 35 is slidingly installed at the top end of the support plate 31; in use, a bidirectional bolt connected with the two sliding blocks 35 is arranged inside the sliding groove, and the two sliding blocks 35 are synchronously adjusted in opposite directions or towards each other;

[0059] The fixed rod 34 is arranged at the top of one end of the sliding block 35;

[0060] The bolt 33 is installed at the other end of the sliding block 35, wherein the other end of the sliding block 35 has a threaded hole, and the bolt 33 is inserted into the threaded hole of the sliding block 35 and in contact with the support plate 31.

[0061] In an optional embodiment, the upper end surface of the support plate 31 is provided with a sliding groove 32, and the sliding block 35 is located inside the sliding groove 32, and the sliding block 35 is arranged in cooperation with the size of the sliding groove 32.

[0062] In this embodiment, the bent pipe is supported by the support plate 31, pre-clamped and fixed by the limiting rod, and when the support rod 6 is in contact with the inner wall of the bent pipe, the sliding block 35 drives the fixed rod 34 to move in the sliding groove 32 towards the bent pipe, so that the fixed rod 34 is extruded, and the sliding block 35 is fixed on the support plate 31 by the bolt 33, so that the fixed rod 34 extrudes and fixes the bent pipe on the support plate 31.

[0063] In summary, in the utility model, the mounting plate body 71 is sleeved on the outside of the curved guide pipe 4 through the mounting hole 74, and the end of the connecting strip 72 is driven to contract to the curved guide pipe 4 through the throat clamp 73, so that the connecting strip 72 clamps the curved guide pipe 4, the mounting plate body 71 is detachably mounted on the outside of the curved guide pipe 4, and the curved guide pipe 4 is fixed on the fixing part 5; the elbow pipe is placed on the supporting plate 31, the limit rod pre-clamps and fixes the elbow pipe, and the supporting plate 31 is driven to rotate on the operation table 1 through the motor 2, so that the supporting plate 31 drives the elbow pipe to move to the curved guide pipe 4, and in the process of moving the elbow pipe, the mounting plate 7 and the supporting rod 6 are placed on the inside of the elbow pipe on the outside of the curved guide pipe 4, the end of the curved guide pipe 4 is located at the end of the elbow pipe, the hydraulic cylinder 61 is started to extend to the inner wall of the elbow pipe, the universal ball 63 is driven to extend to the inner wall of the elbow pipe, a plurality of hydraulic cylinders 61 are arranged at equal angles around the center of the mounting plate 7, the spacing values of the plurality of hydraulic cylinders 61 and the center of the mounting plate 7 are same, the hydraulic cylinder 61 adjusts the center of the curved guide pipe 4 and the elbow pipe through the mounting plate body 71, supports the curved guide pipe 4, drives the fixed rod 34 to move to the elbow pipe in the sliding groove 32 through the sliding block 35, the fixed rod 34 is extruded, the sliding block 35 is fixed on the supporting plate 31 through the bolt 33, the fixed rod 34 extrudes and fixes the elbow pipe on the supporting plate 31, the welding gun in the curved guide pipe 4 is started to rotate and build up welding, the mounting seat 3 is driven to rotate reversely through the motor 2, the mounting seat 3 drives the elbow pipe to move to the end of the curved guide pipe 4 during the build up welding, the inner wall of the elbow pipe is integrally built up, the supporting rod 6 on the plurality of mounting plates 7 is extended to the end face of the operation table 1 when the supporting rod 6 is separated from the elbow pipe, the curved guide pipe 4 is continuously supported, and the supporting rod 6 at the end of the curved guide pipe 4 is prevented from moving downward when the supporting rod 6 is separated from the elbow pipe.

[0064] The embodiment of the utility model is described in detail in combination with the drawings above, but the utility model is not limited to this, various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A welding device for bimetallic wear-resistant bends, characterized in that, It includes an operating console (1), a motor (2), a fixing component (5), and a mounting plate (7); The fixing part (5) is installed on the top of the operating table (1), and the top of the fixing part (5) is provided with a curved guide tube (4) for installing the welding gun in the use state. The mounting plate (7) has multiple mounting plates (7) which are all sleeved on the outside of the curved guide tube (4). The side of the mounting plate (7) is provided with multiple support rods (6) for aligning the mounting plate (7) with the bend tube in the weld overlay state. The motor (2) is installed at the bottom center of the operating table (1). The output shaft of the motor (2) extends to the top center of the operating table (1). The output shaft of the motor (2) is fitted with a mounting base (3) for supporting and fixing the bent pipe.

2. The welding device for bimetallic wear-resistant bends according to claim 1, characterized in that, The support rod (6) includes a hydraulic cylinder (61) and a connecting plate (62); There are multiple hydraulic cylinders (61), and all of the hydraulic cylinders (61) are mounted on the side of the mounting plate (7) and their ends extend toward the edge of the mounting plate (7); The connecting plate (62) is installed at the end of the hydraulic cylinder (61); There are multiple universal balls (63), and multiple hydraulic cylinders (61) are mounted on the end face of the connecting plate (62) with their ends facing the extension direction of the hydraulic cylinders (61).

3. The welding device for bimetallic wear-resistant bends according to claim 2, characterized in that, Multiple hydraulic cylinders (61) are arranged at equal angles around the center of the mounting plate (7), and the distance between the multiple hydraulic cylinders (61) and the center of the mounting plate (7) is the same.

4. The welding device for bimetallic wear-resistant bends according to claim 1, characterized in that, The mounting plate (7) includes a mounting plate body (71), a connecting strip (72), and a hose clamp (73); The mounting plate body (71) is fitted onto the outside of the curved guide tube (4); The number of connecting strips (72) is multiple, and multiple mounting plate bodies (71) are arranged at equal angles on the side of the mounting plate body (71); The hose clamp (73) is wrapped around the outside of the connecting strip (72).

5. The welding apparatus for bimetallic wear-resistant bends according to claim 4, characterized in that, The mounting plate body (71) has a mounting hole (74) in the middle. When the mounting plate body (71) and the curved guide tube (4) are installed together, the curved guide tube (4) is accommodated in the mounting hole (74).

6. The welding device for bimetallic wear-resistant bends according to claim 1, characterized in that, The mounting base (3) includes a support plate (31) and a limiting rod; The support plate (31) is located on the upper end face of the operating table (1) and mounted on the output shaft of the motor (2); There are multiple limit rods, and all the limit rods are slidably installed on the top of the support plate (31). Each pair of limit rods forms a group.

7. The welding apparatus for bimetallic wear-resistant bends according to claim 6, characterized in that, The limiting rod includes a fixing rod (34), a slider (35), and a bolt (33); The slider (35) is slidably mounted on the top of the support plate (31); The fixing rod (34) is set at the top of one end of the slider (35); Bolt (33) is used to install the other end of slider (35) and passes through slider (35) to contact support plate (31).

8. The welding apparatus for bimetallic wear-resistant bends according to claim 7, characterized in that, The upper end face of the support plate (31) is provided with a groove (32), and the slider (35) is located inside the groove (32). The slider (35) is arranged to match the size of the groove (32).

Citation Information

Patent Citations

  • Full -automatic elbow return bend inner surface -welding machine

    CN208743997U