Natural gas pipeline replacing device

Abstract

The utility model discloses a natural gas pipeline replacing device, which belongs to the technical field of pipeline replacing equipment and comprises a supporting plate, an annular groove and two supporting rods are arranged at the bottom end of the supporting plate, a first driving motor is mounted at the top end of the supporting plate, a circular ring is arranged in the annular groove, and a plurality of racks are fixed on the outer side of the circular ring. The two supporting rods are fixedly connected with the circular ring through two connecting rods, and the output end of the first driving motor extends into the annular groove and is connected with a gear. The bottom side of the supporting rod is provided with a first groove and a bearing plate, one end of the supporting rod is connected with a screw through a second driving motor, the side face of the screw is connected with two limiting blocks, the top end of the bearing plate is provided with two sliding groove openings and connected with the two limiting blocks through first air cylinders, sliding rods are connected into the sliding groove openings, and clamping plates are fixed to the bottom ends of the sliding rods. The top end of the bearing plate is fixedly provided with a moving block which is connected with the top end of the bearing plate through a double-head cylinder; by using the replacing device, rapid replacement can be carried out, time and labor are saved, convenience is achieved, and the using requirements of enterprises are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline replacement equipment technical field, especially in kind of natural gas pipeline replacement device. BACKGROUND

[0002] Natural gas pipeline is the important infrastructure of conveying natural gas, usually by high pressure steel pipe or polyethylene pipe is made, for conveying natural gas from gas field, liquefied natural gas (LNG) receiving station or storage facility to city gas distribution network or industrial user, natural gas as clean energy, widely used in industrial and civil fields, its delivery mainly relies on underground or overhead pipeline. However, due to long-term operation, corrosion, geological disasters or material aging, pipeline may appear leakage, breakage and other problems, need timely replacement to ensure safe gas supply.

[0003] The existing natural gas pipeline replacement device is all through artificial and needs to be replaced natural gas pipeline is unloaded and is classified after perfect natural gas pipeline is installed again, and this installation mode exists time -consuming and labor -intensive, and efficiency is relatively low, and it is difficult to meet the requirement of quick replacement of enterprise, and it is inconvenient for worker operation and use, and the limitation is relatively big, therefore, the urgent need designs a kind of natural gas pipeline replacement device to solve the above -mentioned problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of natural gas pipeline replacement device to solve the way that the existing natural gas pipeline replacement device is unloaded and is classified after perfect natural gas pipeline is installed again by artificial and needs to be replaced natural gas pipeline, and the way exists time -consuming and labor -intensive, and efficiency is relatively low, and it is difficult to meet the requirement of quick replacement of enterprise, and it is inconvenient for worker operation and use, and the limitation is relatively big.

[0005] To solve the above technical problem, the utility model provides a kind of natural gas pipeline replacement device, including support plate, the support plate bottom end is opened with annular recess and is equipped with two support rods, its top end is installed with first drive motor, the annular recess is equipped with circular ring, the circular ring outside is fixed with several even distribution's rack, two the support rod is fixedly connected with the circular ring by two connecting rods, the first drive motor output end extends to the annular recess and is connected with the gear that is engaged with several rack,

[0006] Both bottom sides of the support rods are provided with first grooves and bearing plates, one end of each of the support rods is provided with a second driving motor, the output ends of the two second driving motors extend into the two first grooves respectively and are connected with screws, the side surfaces of the screws are connected with two limiting blocks in a threaded mode, the top end of the bearing plate is provided with two sliding groove openings and is connected with the two limiting blocks through first air cylinders, the sliding groove openings are connected with sliding rods in a sliding mode, the bottom end of each sliding rod is fixed with a clamping plate and the top end of each sliding rod is fixed with a moving block, and the top end of the bearing plate is also provided with a horizontally arranged double-head air cylinder and the two piston rods of the double-head air cylinder are connected with the moving blocks.

[0007] Optionally, the inner wall of the annular groove is provided with an annular sliding groove, and the inner side of the circular ring is fixed with a sliding ring located in the annular sliding groove and connected with the annular sliding groove in a sliding mode.

[0008] Optionally, the limiting blocks are matched with the first grooves.

[0009] Optionally, the bottom end of the support plate is fixed with support columns at four corners, the bottom end of each support column is fixed with a bearing block, and the bottom end of each bearing block is provided with a roller with a self-locking function.

[0010] Optionally, the two support rods are opposite with respect to the position of the circular ring.

[0011] Optionally, the inner side of the clamping plate is provided with a V-shaped groove.

[0012] In the natural gas pipeline replacing device, the bottom end of the support plate is provided with an annular groove and two support rods, the top end of the support plate is provided with a first driving motor, the annular groove is provided with a circular ring, the outer side of the circular ring is fixed with a plurality of uniformly distributed racks, the two support rods are fixedly connected with the circular ring through two connecting rods, the output end of the first driving motor extends into the annular groove and is connected with a gear engaged with the plurality of racks, both bottom sides of the support rods are provided with first grooves and bearing plates, one end of each of the support rods is provided with a second driving motor, the output ends of the two second driving motors extend into the two first grooves respectively and are connected with screws, the side surfaces of the screws are connected with two limiting blocks in a threaded mode, the top end of the bearing plate is provided with two sliding groove openings and is connected with the two limiting blocks through first air cylinders, the sliding groove openings are connected with sliding rods in a sliding mode, the bottom end of each sliding rod is fixed with a clamping plate and the top end of each sliding rod is fixed with a moving block, and the top end of the bearing plate is also provided with a horizontally arranged double-head air cylinder and the two piston rods of the double-head air cylinder are connected with the moving blocks. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a structural schematic view of the natural gas pipeline replacing device provided by the utility model;

[0014] Fig. 2 is the plan view of the natural gas pipeline replacement device provided by the utility model;

[0015] Fig. 3 is Fig. 2 the A-A section view in figure;

[0016] Fig. 4 is Fig. 2 the B-B section view in figure.

[0017] In the figure: 1, support plate; 2, annular groove; 3, first drive motor; 4, circular ring; 5, rack; 6, support rod; 7, gear; 8, connecting rod; 9, first recess; 10, second drive motor; 11, screw rod; 12, limit block; 13, first cylinder; 14, bearing plate; 15, sliding slot; 16, double-head cylinder; 17, sliding rod; 18, moving block; 19, clamping plate; 20, V-shaped groove; 21, annular sliding groove; 22, sliding ring; 23, support column; 24, bearing block; 25, roller. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0019] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. When a component is referred to as being "disposed" on another component, it can be directly on the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for purposes of description only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this description, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] The utility model provides a kind of natural gas pipeline replacement device, its structure is as Figs. 1-4As shown, including support plate 1, support plate 1 bottom end opening has annular groove 2 and is equipped with two support rods 6, its top end is installed with first drive motor 3, annular groove 2 is equipped with circular ring 4, circular ring 4 outside is fixed with several evenly distributed racks 5, two support rods 6 are all fixedly connected with circular ring 4 through two connecting rods 8, first drive motor 3 output end extends into annular groove 2 and is connected with gear 7 engaged with several racks 5;Two support rods 6 bottom side are all opened with first recess 9 and are all equipped with bearing plate 14, one end of which is installed with second drive motor 10, two second drive motor 10 output ends extend into two first recesses 9 respectively and are all connected with screw rod 11, screw rod 11 side surface is threadedly connected with two limit blocks 12, bearing plate 14 top end is opened with two sliding slots 15 and is all connected with two limit blocks 12 through first air cylinder 13, sliding slot 15 is slidably connected with sliding rod 17, sliding rod 17 bottom end is fixed with clamping plate 19, its top end is fixed with moving block 18, bearing plate 14 top end is also installed with horizontally arranged double-head air cylinder 16, its two piston rods are all connected with moving block 18, through double-head air cylinder 16 two output ends, moving block 18 is driven to move inward, so that two sliding rods 17 respectively drive two clamping plates 19 to move inward, clamp and fix the natural gas pipeline to be replaced and disassemble, then through first drive motor 3 output end, gear 7 is driven to engage with several racks 5 transmission, so that the circular ring drives two support rods 6 to rotate, the natural gas pipeline is switched with the natural gas pipeline to be replaced, finally through second drive motor 10 output end, screw rod is driven to rotate, so that two limit blocks 12 drive bearing plate 14 and two clamping plates 19 to move, the natural gas pipeline is installed.

[0022] Further, the inner wall of the annular groove 2 is opened with an annular sliding groove 21, and the inner side of the circular ring 4 is fixed with a sliding ring 22 located in the annular sliding groove 21 and slidably connected therewith, for supporting the circular ring 4 to rotate.

[0023] Further, the limit block 12 is matched with the first recess 9, to avoid rotation during horizontal movement of the limit block 12.

[0024] Further, the bottom end of the support plate 1 is fixed with four support columns 23, and the bottom end of each of the support columns 23 is fixed with a bearing block 24, and the bottom end of the bearing block 24 is installed with a roller 25 with self-locking function, to facilitate movement of the support plate 1, and the roller 25 can be self-locked to avoid movement during work.

[0025] Further, the two support rods 6 are opposite about the position of the circular ring 4, so that the two support rods 6 can freely switch positions to facilitate quick installation of the natural gas pipeline.

[0026] Further, the V-shaped groove 20 is formed in the inner side of the clamping plate 19, so that the clamping effect is better.

[0027] The working principle of the utility model is as follows: firstly, the second driving motor 10 is started, the output end of the second driving motor 10 drives the screw rod to rotate, the two limiting blocks 12 drive the bearing plate 14 and the two clamping plates 19 to move, the natural gas pipeline to be replaced is disassembled, at the same time, the two output ends of the double-head gas cylinder 16 drive the moving blocks 18 to move inward, the two slide rods 17 drive the two clamping plates 19 to move inward, the intact natural gas pipeline is clamped and fixed, then the first driving motor 3 is started, the output end of the first driving motor 3 drives the gear 7 to mesh with the plurality of racks 5, the circular ring drives the two supporting rods 6 to rotate, so that the intact natural gas pipeline and the natural gas pipeline to be replaced are switched in position, finally, the second driving motor 10 is started again, the output end of the second driving motor 10 drives the screw rod to rotate, the two limiting blocks 12 drive the bearing plate 14 and the two clamping plates 19 to move, the intact natural gas pipeline is installed.

[0028] During the whole replacement process, the natural gas pipeline can be replaced quickly, time and labor are saved, it is relatively easy, the use requirements of enterprises are met, and workers are convenient to operate and use.

[0029] The above description is only the description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, any change and modification of the utility model in the above disclosure are within the protection scope of the claims.

Claims

1. A natural gas pipeline replacement device comprising a support plate (1), characterized in that, The support plate (1) bottom end is provided with an annular groove (2) and is provided with two support rods (6), the top end is provided with a first driving motor (3), the annular groove (2) is provided with a circular ring (4), the circular ring (4) is fixedly connected with a plurality of evenly distributed gear racks (5) outside, two support rods (6) are fixedly connected with the circular ring (4) through two connecting rods (8), and the first driving motor (3) output end extends into the annular groove (2) and is connected with a plurality of gear wheels (7) engaged with the gear racks (5). Two support rods (6) bottom side are provided with a first groove (9) and are provided with a bearing plate (14), one end is provided with a second driving motor (10), two second driving motor (10) output end extends into two first grooves (9) and is connected with a screw rod (11), the screw rod (11) side is connected with two limit blocks (12), the bearing plate (14) top end is provided with two sliding slots (15) and is connected with two limit blocks (12) through a first cylinder (13), the sliding slot (15) is slidably connected with a sliding rod (17), the sliding rod (17) bottom end is fixedly connected with a clamping plate (19), and the top end is fixedly connected with a moving block (18); The bearing plate (14) top end is also provided with a horizontally arranged double head cylinder (16), and the two piston rods are connected with the moving block (18).

2. The natural gas pipeline replacement device of claim 1, wherein, The inner wall of the annular groove (2) is provided with an annular sliding groove (21), and the inner side of the circular ring (4) is fixedly connected with a sliding ring (22) located in the annular sliding groove (21) and connected with the sliding ring (22).

3. The natural gas conduit replacement device of claim 1, wherein, The limit block (12) is matched with the first groove (9).

4. The natural gas conduit replacement device of claim 1, wherein, The support plate (1) bottom end four corners are fixedly connected with a support column (23), and the bottom end of a plurality of support columns (23) is fixedly connected with a bearing block (24), and the bottom end of the bearing block (24) is provided with a self-locking roller (25).

5. The natural gas conduit replacement device of claim 1, wherein, Two support rods (6) are opposite about the position of the circular ring (4).

6. The natural gas conduit replacement device of claim 1, wherein, The inner side of the clamping plate (19) is provided with a V-shaped groove (20).

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