Splicing device for plastic steel inlet pipe of gas pipeline

Abstract

The utility model discloses a gas pipeline plastic steel lead-in pipe splicing device, and relates to the technical field of pipeline splicing devices.The gas pipeline plastic steel lead-in pipe splicing device comprises a connecting block, a splicing cover is fixedly installed on one side of the connecting block, a rotating shaft is rotationally connected to the interior of the connecting block, two winding wheels are fixedly connected to the rotating shaft in a sleeved mode, and the two winding wheels are fixedly connected to the connecting block in a sleeved mode. The two wire winding wheels are rotationally connected in the connecting block, pull ropes are wound on the two wire winding wheels, the four pull ropes pull the two clamping rings, then the pipelines are pulled, the pipelines are moved into the connecting block and the splicing cover, the two pipelines are conveniently spliced with the connecting block, then the pipelines are conveniently spliced, and the splicing efficiency of the pipelines is improved. And the device is small, so that the device is convenient to carry, the carrying convenience of the device is improved, the transportation space is reduced, the plastic steel introduction pipe is convenient to splice, and the splicing convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline splicing device technical field, especially a kind of plastic steel gas pipeline introduction pipe splicing device. BACKGROUND

[0002] Natural gas pipeline refers to the pipeline that natural gas (including associated gas produced by oil field) is transported from exploitation or processing plant to city distribution center or industrial enterprise user, also called gas pipeline, and natural gas is transported by using natural gas pipeline, which is the way of transporting natural gas on land. In the total length of the world pipeline, natural gas pipeline accounts for about half.

[0003] In the natural gas pipeline construction time, however, when the gas pipeline plastic steel introduction pipe is spliced, pipeline splicing device needs to be used, but some existing gas pipeline plastic steel introduction pipe splicing device is relatively large, so it is very inconvenient to carry, and the convenience of pipeline splicing is affected.

[0004] For the above problems, a kind of plastic steel gas pipeline introduction pipe splicing device is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at at least solving one of the technical problems that splicing device is relatively large in prior art, so it is very inconvenient to carry, and provides a kind of plastic steel gas pipeline introduction pipe splicing device, which can solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of plastic steel gas pipeline introduction pipe splicing device, including connecting block, one side of connecting block is fixedly installed with splicing cover, the inside rotationally connected of connecting block is rotatably connected with rotating shaft, two winding reels are fixedly sleeved on rotating shaft, two winding reels are rotationally connected in the inside of connecting block, two winding reels are all wound with pull rope, two pull ropes are all slidingly penetrated through connecting block and extend to the two sides of connecting block, two pull ropes are all fixedly installed with clamping ring.

[0007] Preferably, the end of the rotating shaft is fixedly installed with a crank handle.

[0008] Preferably, the inside of the splicing cover is provided with two annular ring grooves, two annular ring grooves are all slidingly connected with moving plate, two moving plates are all fixedly installed with elastic spring, and the opposite ends of two elastic springs are respectively fixedly connected with the inside of two annular ring grooves.

[0009] Preferably, the opposite side of two moving plates is fixedly installed with sealing ring, and the sealing ring is slidingly penetrated through the connecting block and extends to the outside of the connecting block.

[0010] Preferably, the rotating shaft is fixedly sleeved with a ratchet wheel, and the ratchet wheel is rotationally connected in the inside of the connecting block.

[0011] Preferably, the inside of the connecting block is rotatably connected with a connecting rotating shaft, one end of the connecting rotating shaft rotatably penetrates the connecting block and extends to the outside of the connecting block.

[0012] Preferably, a pawl is fixedly installed on the one end of the connecting rotating shaft inside the connecting block, and the pawl is in meshing connection with the ratchet wheel.

[0013] Preferably, a torsion spring is movably sleeved on the connecting rotating shaft, one end of the torsion spring close to the pawl is fixedly connected with the pawl, and the other end of the torsion spring away from the pawl is fixedly connected with the inside of the connecting block.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The gas pipeline plastic steel introduction pipe splicing device winds four pull ropes on four winding wheels, then the four pull ropes pull two clamping rings, then the pipeline is pulled, then the pipeline is moved to the inside of the connecting block and the splicing cover, then the two pipelines are spliced with the connecting block, then the pipeline is spliced, then the convenience of pipeline splicing is improved, the device is small, then the device is convenient to carry, then the convenience of device carrying is improved, and the transportation space is reduced.

[0016] The gas pipeline plastic steel introduction pipe splicing device makes the pawl rotate with the connecting rotating shaft, then the pawl is separated from the ratchet wheel, the rotating shaft can rotate in two directions, the rotating shaft is convenient to fix, then the pipeline is convenient to fix, then the stability of pipeline splicing is improved, the pipeline is conveniently and stably connected, then the pipeline conveying effect is improved, and leakage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated in connection with the drawings and examples as follows:

[0018] Figure 1 It is a structural schematic view of the gas pipeline plastic steel introduction pipe splicing device of the utility model;

[0019] Figure 2 It is an inside view of the connecting block of the utility model;

[0020] Figure 3 It is the utility model Figure 2 It is an enlarged schematic view of A in the utility model;

[0021] Figure 4 It is an inside view of the annular ring groove of the utility model;

[0022] Figure 5 It is a schematic view of the winding wheel of the utility model.

[0023] Reference signs: 1, connecting block; 2, splicing cover; 3, sealing ring; 4, rotating shaft; 5, connecting rotating shaft; 6, pull rope; 7, clamping ring; 8, ratchet; 9, pawl; 10, torsion spring; 11, elastic spring; 12, winding wheel; 13, crank; 14, annular ring groove; 15, moving plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In order to further understand the content of the present application, the present application will be described in detail in conjunction with the drawings.

[0026] Please refer to Figures 1-5 The present application provides a technical solution: a plastic steel introduction pipe splicing device for gas pipeline, comprising a connecting block 1, a splicing cover 2 is fixedly installed on one side of the connecting block 1, a rotating shaft 4 is rotatably connected inside the connecting block 1, two winding wheels 12 are fixedly sleeved on the rotating shaft 4, the two winding wheels 12 are both rotatably connected inside the connecting block 1, two pull ropes 6 are wound on the two winding wheels 12, the two pull ropes 6 are both slidably penetrated through the connecting block 1 and extend to both sides of the connecting block 1, clamping rings 7 are fixedly installed on the two pull ropes 6, and a crank 13 is fixedly installed on one end of the rotating shaft 4.

[0027] When splicing the pipes, the two clamping rings 7 are respectively installed on the two ends of the two pipes, then the crank 13 is rotated to drive the rotating shaft 4 to rotate, the rotating shaft 4 drives the four winding wheels 12 to rotate, then the four pull ropes 6 are wound on the four winding wheels 12, then the four pull ropes 6 pull the two clamping rings 7, then the pipes are pulled, then the pipes are moved into the inside of the connecting block 1 and the splicing cover 2, then the two pipes are spliced with the connecting block 1, then the pipes are spliced, then the convenience of splicing the pipes is improved, the device is small, then the device is convenient to carry, then the convenience of carrying the device is improved, and the transportation space is reduced.

[0028] Two annular ring grooves 14 are formed in the inside of the splicing cover 2, moving plates 15 are slidably connected in the inside of the two annular ring grooves 14, elastic springs 11 are fixedly installed on the two moving plates 15, opposite ends of the two elastic springs 11 are respectively fixedly connected with the inside of the two annular ring grooves 14, sealing rings 3 are fixedly installed on the opposite sides of the two moving plates 15, and the sealing rings 3 slidably penetrate through the connecting block 1 and extend to the outside of the connecting block 1.

[0029] When the two pipes enter the inside of the connecting block 1, one end of the pipe will extrude the sealing ring 3, and then the moving plate 15 will slide in the inside of the connecting block 1, and then the moving plate 15 will extrude the elastic spring 11, and then the sealing ring 3 will seal the connection between the pipe and the connecting block 1, thereby preventing leakage and improving the sealing performance of the device.

[0030] The rotating shaft 4 is fixedly sleeved with a ratchet wheel 8, which is rotatably connected in the inside of the connecting block 1. The inside of the connecting block 1 is rotatably connected with a connecting shaft 5, one end of which rotatably penetrates through the connecting block 1 and extends to the outside of the connecting block 1. The end of the connecting shaft 5 inside the connecting block 1 is fixedly installed with a pawl 9, which is engaged with the ratchet wheel 8. The connecting shaft 5 is movably sleeved with a torsion spring 10, one end of which is fixedly connected with the pawl 9, and the other end is fixedly connected with the inside of the connecting block 1.

[0031] When the rotating shaft 4 rotates, it will drive the ratchet wheel 8 to rotate, and then the ratchet wheel 8 will extrude the pawl 9, and then the pawl 9 will rotate around the connecting shaft 5, and then the torsion spring 10 will deform. When the pawl 9 is not extruded, it will be reset by the torsion of the torsion spring 10, and then the pawl 9 will be clamped into the inside of the ratchet wheel 8, and then it will be convenient to limit the one-way rotation of the rotating shaft 4. The connecting shaft 5 is rotatably connected, and then the pawl 9 rotates with the connecting shaft 5, and then the pawl 9 is disengaged from the ratchet wheel 8, so that the rotating shaft 4 can rotate bidirectionally. It is convenient to fix the rotating shaft 4, and then it is convenient to fix the pipe, and then it improves the stability of the pipe splicing, and then it is convenient to stably connect the pipe, and then it improves the conveying effect of the pipe, and avoids leakage.

[0032] Working principle:

[0033] Install two clamping rings 7 on both ends of two pipes, and then rotate the handle 13 to drive the rotating shaft 4 to rotate, and then drive the four winding wheels 12 to rotate, and then wind the four pull ropes 6 on the four winding wheels 12, and then pull the two clamping rings 7 with the four pull ropes 6, and then pull the pipes, and then move the pipes into the inside of the connecting block 1 and the splicing cover 2, and then it is convenient to splice the two pipes with the connecting block 1, and then it is convenient to splice the pipes.

[0034] When the two pipes enter the inside of the connecting block 1, one end of the pipe will extrude the sealing ring 3, and then the moving plate 15 will slide in the inside of the connecting block 1, and then the moving plate 15 will extrude the elastic spring 11, and then the sealing ring 3 will seal the connection between the pipe and the connecting block 1.

[0035] When the rotating shaft 4 rotates, the rotating shaft 4 drives the ratchet wheel 8 to rotate, and then the ratchet wheel 8 extrudes the pawl 9, and then the pawl 9 rotates around the connecting rotating shaft 5, and then the torsion spring 10 deforms, when the pawl 9 is not extruded, the pawl 9 is reset through the torsion of the torsion spring 10, and then the pawl 9 is clamped into the inside of the ratchet wheel 8, and then the rotating shaft 4 is conveniently limited to rotate in one direction, the connecting rotating shaft 5 rotates, and then the pawl 9 rotates with the connecting rotating shaft 5, and then the pawl 9 is separated from the ratchet wheel 8, and the rotating shaft 4 can rotate in two directions, and the rotating shaft 4 is conveniently fixed.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A gas pipeline plastic-coated steel inlet pipe splicing device, comprising a connecting block (1), wherein a splicing cover (2) is fixedly installed on one side of the connecting block (1), characterized in that: The connecting block (1) is rotatably connected to a rotating shaft (4). Two winding wheels (12) are fixedly sleeved on the rotating shaft (4). Both winding wheels (12) are rotatably connected inside the connecting block (1). Both winding wheels (12) are wound with pull ropes (6). Both pull ropes (6) slide through the connecting block (1) and extend to both sides of the connecting block (1). Both pull ropes (6) are fixedly installed with clamps (7).

2. The gas pipeline plastic-steel inlet pipe splicing device according to claim 1, characterized in that: A crank handle (13) is fixedly installed at one end of the rotating shaft (4).

3. The gas pipeline plastic-steel inlet pipe splicing device according to claim 2, characterized in that: The splicing cover (2) has two annular grooves (14) inside. The two annular grooves (14) are slidably connected to the inside of each of the two annular grooves (14). Each of the two movable plates (15) is fixedly installed with a spring (11). The opposite ends of the two springs (11) are fixedly connected to the inside of the two annular grooves (14).

4. The gas pipeline plastic-steel inlet pipe splicing device according to claim 3, characterized in that: A sealing ring (3) is fixedly installed on the opposite side of each of the two movable plates (15). The sealing ring (3) slides through the connecting block (1) and extends to the outside of the connecting block (1).

5. A gas pipeline plastic-steel inlet pipe splicing device according to claim 4, characterized in that: A ratchet (8) is fixedly sleeved on the rotating shaft (4), and the ratchet (8) is rotated and connected inside the connecting block (1).

6. A gas pipeline plastic-steel inlet pipe splicing device according to claim 5, characterized in that: The connecting block (1) is rotatably connected to a connecting shaft (5), one end of which rotatably passes through the connecting block (1) and extends to the outside of the connecting block (1).

7. A gas pipeline plastic-steel inlet pipe splicing device according to claim 6, characterized in that: The connecting shaft (5) is fixedly mounted with a pawl (9) at one end inside the connecting block (1), and the pawl (9) is engaged with the ratchet (8).

8. A gas pipeline plastic-steel inlet pipe splicing device according to claim 7, characterized in that: A torsion spring (10) is movably sleeved on the connecting shaft (5). The end of the torsion spring (10) near the pawl (9) is fixedly connected to the pawl (9), and the end of the torsion spring (10) away from the pawl (9) is fixedly connected to the inside of the connecting block (1).

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