Pipeline welding fixing clamp

Abstract

The utility model relates to the technical field of pipeline welding, and discloses a pipeline welding fixing clamp which comprises a supporting seat, a replacement mechanism is fixedly connected to the top end of the supporting seat, a supporting mechanism is fixedly connected to the front end of the supporting seat, the replacement mechanism comprises a bottom frame, and two limiting columns are fixedly connected to the top end of the bottom frame. A first hydraulic machine is fixedly connected into the bottom frame, the driving end of the first hydraulic machine is fixedly connected with a top frame, the front end of the bottom frame and the front end of the top frame are each fixedly connected with two lantern rings, the interiors of the four lantern rings are each slidably connected with three sliding blocks, and gaskets are fixedly connected to the ends, close to each other, of the two sliding blocks. According to the quick mounting and dismounting device, the sliding blocks are inserted into the sliding grooves in the lantern rings, the lantern rings and the sliding blocks are matched with each other to fix the gaskets, the protective covers rotate to cover the lantern rings and the sliding blocks, the two protective covers are fixed through the lock catches, and therefore the effect of quickly mounting and dismounting the gaskets is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field especially, relates to a pipeline welding fixing clamp. BACKGROUND

[0002] Pipeline welding is a kind of process technology that connects two or more metal pipelines into a continuous whole. It is widely used in many fields such as industrial production, municipal construction and energy transportation, such as oil and gas pipeline laying and city water and heat supply pipe network construction. Mainly by means of welding equipment to melt the metal at the pipeline connection part, so that the liquid metal fuses together, and after cooling and solidification, a firm welding joint is formed, ensuring that the pipeline has good sealing performance and mechanical strength, and can stably transport various media, meeting the basic requirements of different engineering systems for reliable and safe operation of pipeline connection.

[0003] Pipeline welding fixing clamp is a tool used for fixing and clamping pipelines during pipeline welding operation, usually made of high-strength metal material, with solid structure and good toughness to withstand various stresses during welding process. It can ensure that the pipeline maintains stable position and correct butt joint during welding, preventing displacement, shaking or misalignment of the pipeline, thereby ensuring welding quality, improving welding work efficiency and safety, and widely used in fields related to pipeline installation and welding such as construction, chemical industry and energy.

[0004] The existing part of pipeline welding fixing clamp is fixed in the device inside when using, cannot according to need quick disassembly and replacement, bring inconvenience to welding work, reduce work efficiency, therefore a kind of pipeline welding fixing clamp is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a pipeline welding fixing clamp, which aims to improve the problem of inconvenient replacement of gaskets in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A pipeline welding fixing clamp, comprising a support seat, the top end of the support seat is fixedly connected with a replacement mechanism, the front end of the support seat is fixedly connected with a support mechanism;

[0008] The replacement mechanism comprises a chassis, the top end of the chassis is fixedly connected with two limiting columns, the inside of the chassis is fixedly connected with a hydraulic machine one, the driving end of the hydraulic machine one is fixedly connected with a top rack, the front end of the chassis and the top rack is fixedly connected with two sleeve rings, the inside of four sleeve rings is slidably connected with three sliding blocks, the proximal end of two sliding blocks is fixedly connected with a gasket, the bottom end of the chassis and the top end of the top rack is rotatably connected with two protective covers, the outside of the protective cover is fixedly connected with a lock catch;

[0009] As a further description of the above technical solutions:

[0010] The support mechanism comprises two limiting frames, two limiting wheels are rotationally connected to the interiors of the limiting frames, a moving plate is rotationally connected to the proximal ends of the two limiting wheels, a second hydraulic machine is fixedly connected to the top end of the moving plate, a support plate is fixedly connected to the driving end of the second hydraulic machine, rollers are rotationally connected to the front and rear ends of the support plate, and push-pull rods are fixedly connected to the distal ends of the two moving plates.

[0011] As a further description of the above technical solutions:

[0012] The inside of the sleeve ring is provided with three sliding grooves, and the outside of the gasket is slidably connected to the outside of the sleeve ring.

[0013] As a further description of the above technical solutions:

[0014] The proximal ends of the two protective covers are in contact, and the proximal ends of the two sleeve rings are in contact.

[0015] As a further description of the above technical solutions:

[0016] The top end of the limiting column is provided with a limiting block, and the inside of the protective cover is slidably connected to the outside of the sleeve ring.

[0017] As a further description of the above technical solutions:

[0018] The inside of the limiting column is slidably connected to the inside of the top frame, and the proximal ends of the two gaskets are in contact.

[0019] As a further description of the above technical solutions:

[0020] The top end of the limiting frame is provided with two sliding grooves, and the inside of the limiting frame is provided with two limiting strips.

[0021] As a further description of the above technical solutions:

[0022] The outside of the roller is rotationally connected to the top end of the limiting frame, and the rear ends of the two limiting frames are fixedly connected to the front end of the support base.

[0023] The utility model has the following beneficial effects:

[0024] 1、The utility model discloses a locking buckle is used for unlocking two protective covers, rotating the protective cover to make the protective cover separate from the outside of the sleeve ring, inserting the sliding block into the sliding groove in the inside of the sleeve ring, and the sleeve ring and the sliding block are fixed to the gasket through mutual cooperation, rotating the protective cover to cover the sleeve ring and the sliding block, and fixing the two protective covers through the locking buckle, so that the effect of quickly disassembling and assembling the gasket is realized.

[0025] 2、The utility model discloses, through push -and -pull rod drive motion board left and right movement, motion board drive limit wheel rotates in the inside limit frame, motion board drive hydraulic machine no. 2 left and right movement, hydraulic machine no. 2 drive support plate left and right movement to the appropriate position, through hydraulic machine no. 2 drive support plate and lift up pipeline to realize the effect of supporting pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a kind of pipeline welding fixed forceps's three-dimensional schematic diagram that the utility model proposes;

[0027] Figure 2 It is the structure schematic diagram of sleeve ring of a kind of pipeline welding fixed forceps that the utility model proposes;

[0028] Figure 3 It is the structure schematic diagram of limit frame of a kind of pipeline welding fixed forceps that the utility model proposes;

[0029] Figure 4 It is the structure schematic diagram of support seat of a kind of pipeline welding fixed forceps that the utility model proposes.

[0030] Legend:

[0031] 1, support seat;2, replacement mechanism;201, bottom bracket;202, limit post;203, hydraulic machine one;204, top bracket;205, sleeve ring;206, sliding block;207, gasket;208, protective cover;209, lock catch;3, support mechanism;301, limit frame;302, limit wheel;303, motion board;304, hydraulic machine no. 2;305, support plate;306, gyro wheel;307, push-pull rod. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] Reference Figure 1 , Figure 2 and Figure 4The utility model provides a kind of embodiment: a kind of pipeline welding fixing forceps, including support seat 1, support seat 1 can provide support for subsequent mechanism, improve device stability.The top end of support seat 1 is fixedly connected with replacement mechanism 2, replacement mechanism 2 can be convenient for user to replace relevant mechanism quickly.Support seat 1's front end is fixedly connected with support mechanism 3, support mechanism 3 can provide support for pipeline, so that pipeline is not deviated when welding.Replacement mechanism 2 includes chassis 201, and chassis 201 can support subsequent component and fix pipeline.

[0034] The inside of chassis 201 is fixedly connected with hydraulic press one 203, and hydraulic press one 203 can provide sufficient power for the fixed operation of subsequent mechanism.The driving end of hydraulic press one 203 is fixedly connected with top frame 204, and top frame 204 can be mutually cooperated with chassis 201, drives subsequent component and fix pipeline.The front end of chassis 201 and top frame 204 is fixedly connected with two thimbles 205, and four thimbles 205 can be mutually cooperated to realize fixed operation to pipeline under the driving of top frame 204 and chassis 201.The inside of four thimbles 205 is slidably connected with three sliding blocks 206, and sliding block 206 can be mutually cooperated with thimble 205 and fix subsequent component.

[0035] The similar end of two sliding blocks 206 is fixedly connected with gasket 207, and gasket 207 can be coupled with pipeline, so that the fixation of pipeline is more stable.The bottom end of chassis 201 and the top end of top frame 204 are rotatably connected with two protective covers 208, and protective cover 208 can limit the position of sliding block 206, to avoid sliding block 206 from falling off.The outside of protective cover 208 is fixedly connected with lock catch 209, and lock catch 209 can fix protective cover 208, to avoid movement of protective cover 208 under the action of external force when welding.

[0036] Referring to Figure 1 、 Figure 3 and Figure 4 , support mechanism 3 includes two limit frames 301, and the structural design of limit frame 301 can provide support and limit for internal mechanism.Two limit wheels 302 are rotatably connected in the inside of limit frame 301, and limit wheel 302 can be mutually cooperated with limit frame 301 to guide and limit subsequent component, reduce the friction force between mechanism at the same time, so that relevant mechanism runs more smoothly.The similar end of two limit wheels 302 is rotatably connected with motion plate 303, and motion plate 303 can drive relevant mechanism to move while supporting subsequent mechanism.The top end of motion plate 303 is fixedly connected with hydraulic press two 304, and hydraulic press two 304 can provide sufficient power for subsequent component to support pipeline.

[0037] The driving end of the hydraulic machine two 304 is fixedly connected with a support plate 305, the support plate 305 can support the pipeline under the driving of the hydraulic machine two 304, so that the welding is more stable. The front and rear ends of the support plate 305 are rotatably connected with rollers 306, the rollers 306 can roll on the top end of the limiting frame 301, and the friction of the related mechanism during movement is reduced. The far ends of the two moving plates 303 are fixedly connected with push-pull rods 307, and the push-pull rods 307 can provide a stable force point for the push-pull operation of the user.

[0038] With reference to Figures 2 to 4 The inside of the sleeve ring 205 is provided with three sliding grooves, the structure design of the sliding grooves is coupled with the sliding blocks 206, so that the sliding blocks 206 can slide smoothly. The outside of the gasket 207 is slidably connected to the outside of the sleeve ring 205, and the sleeve ring 205 and the gasket 207 are coupled, which can improve the stability. The two protective covers 208 are in contact with each other, and the contact between the two protective covers 208 can improve the sealing performance when closed, and improve the protection effect. The two sleeve rings 205 are in contact with each other, and the contact between the two sleeve rings 205 can improve the fixing effect;

[0039] The top end of the limiting column 202 is provided with a limiting block, which can prevent the related mechanism from being separated from the outside of the limiting column 202 during sliding. The inside of the protective cover 208 is slidably connected to the outside of the sleeve ring 205, and the protective cover 208 and the sleeve ring 205 are coupled, which can stably cover the outside of the sleeve ring 205. The inside of the limiting column 202 is slidably connected to the inside of the top frame 204, and the limiting column 202 can provide limiting and guiding for the movement of the top frame 204. The two gaskets 207 are in contact with each other, which can increase the sealing performance between the mechanisms and better fix the pipeline;

[0040] The top end of the limiting frame 301 is provided with two sliding grooves, which can provide limiting for the movement of the related mechanism, and make the movement of the related mechanism more smooth. The limiting frame 301 is provided with two limiting strips inside, which can provide guiding and limiting for the subsequent components. The outside of the roller 306 is rotatably connected to the top end of the limiting frame 301, and the limiting frame 301 can provide support for the movement of the roller 306. The rear ends of the two limiting frames 301 are fixedly connected to the front end of the support seat 1, which can make the device more compact and improve the stability of the device.

[0041] Working principle: when the fixing clamp is needed, the lock catch 209 is unlocked, at this time the protective cover 208 is rotated, and the protective cover 208 is rotated outside the top frame 204 and the bottom frame 201 while sliding outside the sleeve ring 205, when the protective cover 208 is rotated to separate from the surface of the sleeve ring 205, the appropriate gasket 207 is selected, the gasket 207 is slidably connected to the outside of the sleeve ring 205, and the sliding block 206 is inserted into the sliding groove in the inside of the sleeve ring 205 to fix the gasket 207, and the installation of the gasket 207 is completed.

[0042] When fixing the pipes, the pipe heads of the two pipes to be welded are placed on the top ends of the two bottom gaskets 207, the hydraulic machine 1 203 is started, the hydraulic machine 1 203 drives the top frame 204 to move downward outside the limiting column 202, and drives the other sleeve ring 205 to move downward, the sleeve ring 205 drives the gaskets 207 to move downward and the other gaskets 207 to cooperate with each other to fix the pipes.

[0043] When the pipes are long, the push-pull rod 307 is pulled, the push-pull rod 307 drives the moving plate 303 and the limiting wheel 302 to move left and right, the limiting wheel 302 rolls left and right inside the limiting frame 301 to guide the moving plate 303, the moving plate 303 drives the hydraulic machine 2 304 and the supporting plate 305 to move left and right, the supporting plate 305 drives the roller 306 to roll on the top end of the limiting frame 301, when the supporting plate 305 moves to the appropriate position, the hydraulic machine 2 304 is started, the hydraulic machine 2 304 drives the supporting plate 305 to move upward to support the pipes to be welded, improving the stability of the pipes and facilitating welding.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A pipe welding tongs comprising a support seat (1), characterized in that: The top end of the support seat (1) is fixedly connected with a replacement mechanism (2), and the front end of the support seat (1) is fixedly connected with a support mechanism (3). The replacement mechanism (2) comprises a chassis (201), the top end of the chassis (201) is fixedly connected with two limiting columns (202), the inside of the chassis (201) is fixedly connected with a hydraulic machine I (203), the driving end of the hydraulic machine I (203) is fixedly connected with a top frame (204), the front end of the chassis (201) and the top frame (204) is fixedly connected with two sleeve rings (205), the inside of the four sleeve rings (205) is slidably connected with three sliding blocks (206), the proximal end of two sliding blocks (206) is fixedly connected with a gasket (207), the bottom end of the chassis (201) and the top end of the top frame (204) are rotatably connected with two protective covers (208), and the outside of the protective cover (208) is fixedly connected with a lock catch (209).

2. A pipe welding tongs according to claim 1, wherein: The support mechanism (3) comprises two limiting frames (301), the inside of the limiting frame (301) is rotatably connected with two limiting wheels (302), the proximal end of the two limiting wheels (302) is rotatably connected with a movement plate (303), the top end of the movement plate (303) is fixedly connected with a hydraulic machine II (304), the driving end of the hydraulic machine II (304) is fixedly connected with a support plate (305), the front and rear ends of the support plate (305) are rotatably connected with rollers (306), and the distal end of the two movement plates (303) is fixedly connected with a push-pull rod (307).

3. A pipe welding tongs according to claim 1, wherein: The inside of the sleeve ring (205) is provided with three sliding grooves, and the outside of the gasket (207) is slidably connected to the outside of the sleeve ring (205).

4. The pipe welding tongs of claim 1 wherein: The proximal end of the two protective covers (208) is in contact, and the proximal end of the two sleeve rings (205) is in contact.

5. The pipe welding tongs of claim 1 wherein: The top end of the limiting column (202) is provided with a limiting block, and the inside of the protective cover (208) is slidably connected to the outside of the sleeve ring (205).

6. A pipe welding tongs according to claim 1, wherein: The inside of the limiting column (202) is slidably connected to the inside of the top frame (204), and the proximal end of the two gaskets (207) is in contact.

7. A pipe welding tongs according to claim 2, wherein: The top end of the limiting frame (301) is provided with two sliding grooves, and the inside of the limiting frame (301) is provided with two limiting strips.

8. A pipe welding tongs according to claim 2, wherein: The outside of the roller (306) is rotatably connected to the top end of the limiting frame (301), and the rear end of the two limiting frames (301) is fixedly connected to the front end of the support seat (1).

Images