A kind of auxiliary frame for welding oil pipeline

Abstract

The utility model discloses an auxiliary frame for welding oil pipelines, belonging to the technical field of auxiliary frames for oil pipelines. The auxiliary frame comprises two support frames, the two support frames are symmetrically hinged, placement holes are arranged in the support frames, the two placement holes are connected and are inclined at both sides, the two support frames are symmetrically fixed with buckles at the farthest side, a pushing component is installed in one of the support frames, a support leg is slidably installed at the bottom end of the support frame, and a positioning component is installed at one end of the support leg. The device is simple to operate, can be folded and stored, and is easy to carry, thereby improving practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline auxiliary frames, in particular to an auxiliary frame for welding petroleum pipelines. Background Art

[0002] At present, due to the variety of structural types of petrochemical equipment, high requirements for safe operation and mainly on-site installation welding, very high requirements are placed on the quality of pipeline welding. Welding is the main link in the installation of petrochemical equipment and has a direct impact on the performance of the equipment.

[0003] When welding existing oil pipelines, they are generally positioned with an auxiliary frame before welding. However, the existing auxiliary frame is generally large in size, which makes it inconvenient to carry when working outside, and is not easy to store. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a petroleum pipeline welding auxiliary frame, which aims to improve the problem that the auxiliary frame is generally large in size, which is inconvenient to carry when working outside and is not easy to store.

[0005] The utility model is implemented as follows: an auxiliary frame for welding an oil pipeline comprises two support frames, the two support frames are symmetrically hinged, placement holes are arranged in the support frames, the two placement holes are connected and are inclined at both sides, the two support frames are symmetrically fixed with buckles on the farthest side, a pushing assembly is installed in one of the support frames, a support leg is slidably installed at the bottom end of the support frame, and a positioning assembly is installed at one end of the support leg.

[0006] In the preferred technical solution of the utility model, after the two support frames are rotated, their top ends fit each other, and at this time, the buckles on both sides are in the same plane and can be matched and fixed by adjacent buckles.

[0007] In the preferred technical solution of the present utility model, the pushing assembly includes a pushing block and a first threaded rod, wherein side plates are fixedly installed on both sides of the inner wall of the placement hole of one of the support frames, the first threaded rod is rotatably installed between the side plate and one side of the inner wall of the placement hole, the pushing block is threadedly installed on the first threaded rod, the push block is slidably connected to the inner wall of the placement hole, one end of the first threaded rod is fixedly installed with a first rotating shaft, one end of the first rotating shaft passes through the support frame and fixedly installed with a first turntable, and the top of the push block is in the same plane as the top of the support frame.

[0008] In the preferred technical solution of the utility model, grooves are symmetrically arranged at the four corners of the bottom end of the support frame, a spring is fixedly installed on the top of the inner wall of the groove, one end of the spring is fixedly connected to the support leg, the support leg is slidably connected to the inner wall of the groove, and the length of the support leg is less than the depth of the groove.

[0009] In the preferred technical solution of the present utility model, the positioning assembly includes a first slider and an insertion rod, a first slide groove is symmetrically arranged at the bottom end of the support frame, the first slider is symmetrically slidably installed in the first slide groove, the insertion rod is symmetrically fixedly installed on one side of the first slider, and a socket matching the insertion rod is arranged on the leg. There are four sockets in total, two of which are fixed when the leg is extended, and the other two are fixed after the leg is retracted.

[0010] In the preferred technical solution of the present utility model, the second sliding block is symmetrically slidably installed in the first sliding groove, the insertion rod is fixed and passes through the second sliding block, and the first sliding block and the second sliding block have the same structure.

[0011] In the preferred technical solution of the present utility model, a cavity is provided in the support frame, a slide plate is symmetrically and slidingly installed on the inner wall of the cavity, a plurality of slide block support blocks are fixedly installed on one side of the slide plate, one end of the support block passes through one side of the support frame and extends into the placement hole, one end of the support block is inclined and equipped with a support wheel, and when the slide plate moves, it can drive the support block to move into the placement hole or retract into the cavity.

[0012] In the preferred technical solution of the utility model, a bidirectional threaded rod and a guide rod are rotatably installed between the two sides of the inner wall of the cavity, the two slides are symmetrically threadedly installed on the bidirectional threaded rod and slidably installed on the guide rod, one end of the bidirectional threaded rod is fixedly installed with a second rotating shaft, one end of the second rotating shaft passes through one side of the support frame and is fixedly installed with a second turntable.

[0013] The beneficial effect of the utility model is that the utility model obtains an oil pipeline welding auxiliary frame through the above design. When in use, two oil pipes to be welded are placed in the placement hole, the first turntable is rotated to drive the first threaded rod to rotate, and the first threaded rod rotates to drive the push block to move and push one of the oil pipes to move in the direction of the other oil pipe until it is tightly fitted. At this time, they can be welded. After welding half, the first turntable is rotated in the opposite direction to separate it from the oil pipeline. At this time, the two second turntables are rotated to drive the two-way threaded rods to rotate, and the two-way threaded rods rotate to drive the slide plate to move relatively, and the slide plate drives the support block to move into the placement hole so that the support wheel supports the oil pipe. At this time, the oil pipe can be easily rotated for subsequent welding. When it needs to be carried or stored, the first slider is pushed to drive the insertion rod to move away from the corresponding leg, and the leg is pressed to shrink into the groove, and the first slider is pushed again to drive the insertion rod to be inserted into the insertion hole for fixing. After the leg shrinks, the two support frames are rotated to fold in half and fit together, and then fixed by buckles. This device is simple to operate, can be folded and stored, and is easy to carry, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of a petroleum pipeline welding auxiliary frame provided by the utility model implementation method;

[0016] Figure 2 A folding diagram of a petroleum pipeline welding auxiliary frame is provided for the implementation mode of the utility model;

[0017] Figure 3 A top view of a petroleum pipeline welding auxiliary frame is provided for an embodiment of the utility model;

[0018] Figure 4 A cross-sectional view of a support frame is provided for an embodiment of the utility model;

[0019] Figure 5 A structural schematic diagram of a positioning assembly is provided for an implementation mode of the utility model.

[0020] In the figure: 110-support frame; 111-placement hole; 112-buckle; 120-leg; 121-spring; 122-first slider; 123-insertion rod; 124-second slider; 130-pushing assembly; 131-pushing block; 132-first threaded rod; 133-side plate; 134-first turntable; 140-slide plate; 141-support block; 142-support wheel; 143-bidirectional threaded rod; 144-guide rod; 145-second turntable. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 3The utility model provides a technical solution: an oil pipeline welding auxiliary frame, including two support frames 110, the two support frames 110 are symmetrically hinged, a placement hole 111 is set in the support frame 110, the two placement holes 111 are connected and inclined on both sides, the two support frames 110 are symmetrically fixed with buckles 112 on the farthest side, a pushing component 130 is installed in one of the support frames 110, a support leg 120 is slidably installed at the bottom of the support frame 110, and a positioning component is installed at one end of the support leg 120.

[0023] In some specific implementation schemes, after the two support frames 110 are rotated, their top ends fit together, and the buckles 112 on both sides are in the same plane. The adjacent buckles 112 can be matched and fixed, so that the two support frames 110 can be fixed after being rotated and folded.

[0024] In some specific embodiments, the pushing assembly 130 includes a pushing block 131 and a first threaded rod 132, wherein side plates 133 are fixedly installed on both sides of the inner wall of a placement hole 111 of a support frame 110, and the first threaded rod 132 is rotatably installed between the side plate 133 and one side of the inner wall of the placement hole 111, and the pushing block 131 is threadedly installed on the first threaded rod 132, and the push block 131 is slidingly connected to the inner wall of the placement hole 111, and one end of the first threaded rod 132 is fixedly installed with a first rotating shaft, and one end of the first rotating shaft passes through the support frame 110 and is fixedly installed with a first turntable 134, and the top of the pushing block 131 is in the same plane as the top of the support frame 110, so as to facilitate complete fit between the two oil pipes during welding.

[0025] See also Figure 5 , grooves are symmetrically arranged at the four corners of the bottom end of the support frame 110, a spring 121 is fixedly installed on the top of the inner wall of the groove, one end of the spring 121 is fixedly connected to the support leg 120, the support leg 120 is slidably connected to the inner wall of the groove, the length of the support leg 120 is less than the depth of the groove, the positioning assembly includes a first slider 122 and an insertion rod 123, a first slide groove is symmetrically arranged at the bottom end of the support frame 110, the first slider 122 is symmetrically slidably installed in the first slide groove, the insertion rod 123 is symmetrically fixedly installed on one side of the first slider 122, and a socket matching the insertion rod 123 is arranged on the support leg 120, there are four sockets in total, two of which are fixed when the support leg 120 is extended, and the other two are fixed after the support leg 120 is retracted.

[0026] In some specific implementation schemes, the second slider 124 is symmetrically slidably installed in the first slide groove, the insertion rod 123 is fixed and passes through the second slider 124, the first slider 122 and the second slider 124 have the same structure, and the second slider 124 supports the insertion rod 123, thereby improving stability.

[0027] See also Figure 4A cavity is provided in the support frame 110, and a slide plate 140 is symmetrically and slidably installed on the inner wall of the cavity. A plurality of slider support blocks 141 are fixedly installed on one side of the slide plate 140. One end of the support block 141 passes through one side of the support frame 110 and extends into the placement hole 111. One end of the support block 141 is inclined and is equipped with a support wheel 142. When the slide plate 140 moves, it can drive the support block 141 to move into the placement hole 111 or retract into the cavity.

[0028] In some specific implementation schemes, a bidirectional threaded rod 143 and a guide rod 144 are rotatably installed between the two sides of the inner wall of the cavity, two slide plates 140 are symmetrically threadedly installed on the bidirectional threaded rod 143 and slidably installed on the guide rod 144, and a second rotating shaft is fixedly installed at one end of the bidirectional threaded rod 143, and one end of the second rotating shaft passes through one side of the support frame 110 and is fixedly installed with a second turntable 145, so as to facilitate the adjustment of the slide plate 140, thereby driving the extension and retraction of the support block 141, facilitating the support wheel 142 to support the oil pipe, thereby facilitating the rotation of the oil pipe during welding.

[0029] Working principle: When in use, place the two oil pipes to be welded in the placement hole 111, rotate the first rotating disk 134 to drive the first threaded rod 132 to rotate, the first threaded rod 132 rotates to drive the push block 131 to move and push one of the oil pipes to move toward the other oil pipe until it fits tightly, then they can be welded, after welding halfway, reversely rotate the first rotating disk 134 to separate it from the oil pipeline, at this time, rotate the two second rotating disks 145 to drive the bidirectional threaded rod 143 to rotate, the bidirectional threaded rod 143 rotates to drive the slide plate 140 to rotate For movement, the slide plate 140 drives the support block 141 to move into the placement hole 111 so that the support wheel 142 supports the oil pipe. At this time, the oil pipe can be easily rotated for subsequent welding. When it needs to be carried or stored, the first slider 122 is pushed to drive the insertion rod 123 to move away from the corresponding leg 120, and the leg 120 is pressed to shrink into the groove, and the first slider 122 is pushed again to drive the insertion rod 123 to be inserted into the insertion hole for fixation. After the leg 120 is shrunk, the two support frames 110 are rotated to fold them in half and fit them together, and then they are fixed by the buckle 112.

[0030] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary frame for welding oil pipelines, comprising two support frames, characterized in that: The two support frames are symmetrically hinged, and a placement hole is set in the support frame. The two placement holes are connected and inclined on both sides. The two support frames are symmetrically fixed with mounting buckles on the side farthest from each other. A pushing component is installed in one of the support frames, and a support leg is slidably installed at the bottom end of the support frame, and a positioning component is installed at one end of the support leg.

2. The petroleum pipeline welding auxiliary frame according to claim 1 is characterized in that: After the two support frames are rotated, their top ends fit each other, and at this time, the buckles on both sides are in the same plane and can be matched and fixed by adjacent buckles.

3. The petroleum pipeline welding auxiliary frame according to claim 1 is characterized in that: The pushing assembly includes a pushing block and a first threaded rod, wherein side plates are fixedly installed on both sides of the inner wall of the placement hole of one of the support frames, the first threaded rod is rotatably installed between the side plate and one side of the inner wall of the placement hole, the pushing block is threadedly installed on the first threaded rod, the pushing block is slidably connected to the inner wall of the placement hole, one end of the first threaded rod is fixedly installed with a first rotating shaft, one end of the first rotating shaft passes through the support frame and fixedly installed with a first turntable.

4. The petroleum pipeline welding auxiliary frame according to claim 1 is characterized in that: The four corners of the bottom end of the support frame are symmetrically provided with grooves, a spring is fixedly installed on the top of the inner wall of the groove, one end of the spring is fixedly connected to the support leg, and the support leg is slidably connected to the inner wall of the groove.

5. The petroleum pipeline welding auxiliary frame according to claim 1 is characterized in that: The positioning assembly includes a first slider and an insertion rod. The bottom end of the support frame is symmetrically provided with a first slide groove. The first slider is symmetrically slidably installed in the first slide groove. The insertion rod is symmetrically fixedly installed on one side of the first slider. The support leg is provided with a socket matching the insertion rod.

6. The petroleum pipeline welding auxiliary frame according to claim 5, characterized in that: The second sliding block is symmetrically slidably installed in the first sliding groove, and the insertion rod is fixedly passed through the second sliding block.

7. The petroleum pipeline welding auxiliary frame according to claim 1 is characterized in that: A cavity is provided in the support frame, a slide plate is symmetrically and slidingly installed on the inner wall of the cavity, a plurality of slide block support blocks are fixedly installed on one side of the slide plate, one end of the support block passes through one side of the support frame and extends into the placement hole, and one end of the support block is inclined and installed with a support wheel.

8. The petroleum pipeline welding auxiliary frame according to claim 7 is characterized in that: A bidirectional threaded rod and a guide rod are rotatably installed between the two sides of the inner wall of the cavity, the two slides are symmetrically threadedly installed on the bidirectional threaded rod and slidably installed on the guide rod, one end of the bidirectional threaded rod is fixedly installed with a second rotating shaft, one end of the second rotating shaft passes through one side of the support frame and is fixedly installed with a second turntable.

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