Fuel gas pipeline butt joint device

By designing a gas pipeline docking device with a fixed base, telescopic rod, and mechanical structure, the problem of the lack of a support structure in pipeline docking devices was solved, enabling precise docking of different pipe diameters, improving construction efficiency, and reducing safety hazards.

CN223690511UActive Publication Date: 2025-12-19LIAOCHENG XINAO GAS ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520708049.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2025-12-19
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

The existing gas pipeline connection device lacks a support structure, making it difficult to keep the pipeline head horizontally aligned, which affects construction efficiency and poses safety hazards.

Method used

A gas pipeline docking device is designed, which adopts a fixed seat, telescopic rod, fixed frame, bearing platform, bottom support structure and side limiting mechanism. The mechanical structure of screw drive realizes the clamping and lifting of the pipeline, ensuring that the pipeline remains in a horizontal state during docking.

Benefits of technology

It enables precise connection of gas pipelines with different diameters, improves construction efficiency, and reduces the risk of media leakage and stress concentration.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223690511U_ABST
    Figure CN223690511U_ABST
Patent Text Reader

Abstract

The utility model provides a gas pipeline butt joint device, which relates to the technical field of pipeline butt joint and comprises a fixed seat and a telescopic rod. Two groups of fixing frames are arranged on the fixing seat, one group of fixing frames is fixedly connected with the fixing seat, the other group of fixing frames is slidably connected with the fixing seat, the fixing frames slidably connected with the fixing seat are fixedly connected to the movable end of the telescopic rod, and the fixed end of the telescopic rod is fixedly supported on the fixing seat through a fixing support; by arranging the bearing platform, the bottom supporting structure and the side limiting structure, the axes of the two pipelines always coincide in the pipeline butt joint process, so that accurate alignment of the heads of the pipelines is achieved, horizontal butt joint work is facilitated, and additional adjustment is not needed; the problems that an existing pipeline butt joint device generally lacks a lifting structure, it is difficult to ensure that two pipelines are horizontally aligned after the heads of the pipelines are clamped, and consequently the construction efficiency is reduced are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of pipeline connection technology, and more specifically, it relates to a gas pipeline connection device. Background Technology

[0002] As a core infrastructure of the urban energy supply system, the gas pipeline system is mainly used for the transportation of gas media such as natural gas and liquefied petroleum gas. Its construction quality is directly related to urban public safety and energy security capabilities. In the construction of gas engineering projects, the pipeline connection process is a key procedure that determines the reliability of system operation.

[0003] While current mainstream pipe docking devices can achieve basic clamping and positioning functions, they exhibit significant technical bottlenecks in practical applications. First, the self-adaptive capability of the clamping mechanism is insufficient, making it difficult to meet the docking requirements of pipes with different diameters. Second, the design flaw of single-point clamping causes the pipe to flex and deform under its own weight, specifically manifested as the tail of the pipe drooping, causing the head axis to shift and the docking end face to fail to maintain a horizontal state, severely affecting docking accuracy. These technical shortcomings not only reduce construction efficiency but also create safety hazards such as media leakage and pipe stress concentration. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a gas pipeline docking device to solve the problem that existing pipeline docking devices generally lack a support structure, making it difficult to ensure that the two pipes are horizontally aligned after clamping the pipe head, thus reducing construction efficiency.

[0005] This utility model provides a gas pipeline connection device, which is achieved by the following specific technical means:

[0006] A gas pipeline connection device includes a fixed base and a telescopic rod. The fixed base has two sets of fixing brackets, one set of which is fixedly connected to the fixed base, and the other set is slidably connected to the fixed base. The fixing bracket slidably connected to the fixed base is fixedly connected to the movable end of the telescopic rod, and the fixed end of the telescopic rod is fixedly supported on the fixed base by a fixing bracket. The fixed base also has a bearing platform, a bottom support structure, and a side limiting structure at both ends. The fixed base includes a base plate, with a track on one side and a groove inside the track. Both sets of fixing brackets include a support frame and two clamping plates. The bottom of the support frame of one set of fixing brackets is fixedly connected to the base plate, and the bottom of the support frame of the other set of fixing brackets has a sliding plate that is slidably connected to the groove. A fixing block is provided on the sliding plate, and the fixing block is fixedly connected to the movable end of the telescopic rod.

[0007] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0008] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0009] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0010] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0011] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0012] Further, the support frame is connected with a support plate, the first lead screw is rotatably inserted into the support frame, the first lead screw is provided with a first rotating disc at one end, and the first rotating disc is provided with a first crank handle.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、 the utility model discloses a fixed frame is set to pipe head clamping, specifically: the pipe head is supported on the support plate of fixed frame, and the fixed frame is provided with a first lead screw, and the first threaded sleeve is moved to the first lead screw rotatable, so that two clamping plates clamp the pipe, the inner side of the clamping plate is provided with an antiskid rubber layer, and the stability of clamping is further enhanced, the fixed frame can be adapted to the gas pipeline of various pipe diameter sizes, and the butt joint operation of different specifications of pipeline is facilitated.

[0015] 2, the pipeline butt joint method of the utility model is as follows: firstly, a group of pipeline head is clamped on the fixed frame, the tail is lifted by the bearing platform, the whole pipeline is kept horizontal; then the head of another group of pipeline is clamped on another fixed frame, the tail is lifted and leveled by the bottom support structure; finally, the whole pipeline is pushed forward by the extension telescopic rod, in this process, the side limiting structure ensures the pipeline to move along the axial direction, so that the axial line of the two pipelines always keeps coincident, thereby realizing the accurate alignment of the pipeline head, facilitating the horizontal butt joint work, without additional adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structure schematic diagram of the utility model.

[0017] Figure 2 is the top view of the utility model.

[0018] Figure 3 is the sectional view of the utility model Figure 2 along M-M direction.

[0019] Figure 4 is the structure schematic diagram of the fixed frame of the utility model.

[0020] Figure 5 is the structure schematic diagram of the side limiting structure of the utility model.

[0021] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0022] 100, fixed seat; 101, bottom plate; 102, track; 1021, sliding groove;

[0023] 200, fixed frame; 201, support frame; 202, sliding plate; 203, support plate; 204, first lead screw; 205, first rotary disc; 206, first ratchet wrench; 207, first threaded sleeve; 208, clamping plate; 209, first sliding sleeve; 210, first guide column; 211, anti-skid rubber layer; 212, fixed block;

[0024] 300, fixed support;

[0025] 400, telescopic rod;

[0026] 500, bearing platform; 501, bearing arc plate;

[0027] 600, bottom support structure; 601, first side support plate; 602, rotating shaft; 603, support roller;

[0028] 700, side limiting structure; 701, second side support plate; 702, second guide column; 703, second lead screw; 704, second rotary table; 705, second handle; 706, second sliding sleeve; 707, second threaded sleeve; 708, coupling plate; 709, limiting column; 710, limiting boss; 711, pinch roller. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0030] Embodiment:

[0031] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown in the accompanying

[0032] The utility model provides a kind of gas pipeline butt joint device, including fixed seat 100 and telescopic rod 400;Fixed seat 100 is equipped with two groups of fixed frame 200, one group of fixed frame 200 is fixedly connected with fixed seat 100, another group of fixed frame 200 is slidably connected with fixed seat 100, and the fixed frame 200 slidably connected with fixed seat 100 is fixedly connected in the movable end of telescopic rod 400, and the fixed end of telescopic rod 400 is fixedly supported on fixed seat 100 by fixed support 300;Fixed seat 100 is further equipped with bearing platform 500, bottom support structure 600 and side limiting structure 700 on both ends;Fixed seat 100 includes bottom plate 101, and one side of bottom plate 101 is equipped with track 102, and sliding slot 1021 is opened in track 102;Two groups of fixed frame 200 include support frame 201 and two pairs of clamping plates 208, and the support frame 201 bottom of one group of fixed frame 200 is fixedly connected on bottom plate 101, and the support frame 201 bottom of another group of fixed frame 200 is equipped with sliding plate 202, and sliding plate 202 is slidably connected with sliding slot 1021;Sliding plate 202 is equipped with fixed block 212, and fixed block 212 is fixedly connected with the movable end of telescopic rod 400.

[0033] Among them, as Figure 4As shown, the support plate 203 is connected between the support frames 201, the first lead screw 204 is rotatably inserted on the support frame 201, one end of the first lead screw 204 is provided with the first rotating disc 205, and the first rotating disc 205 is provided with the first rocking handle 206; the first lead screw 204 has a bidirectional thread, and a group of first threaded sleeves 207 are respectively connected on the bidirectional thread of the first lead screw 204 through screw transmission; the first guide column 210 is fixed on the support frame 201, and the first sliding sleeve 209 is slidably connected on the first guide column 210; the first sliding sleeve 209 is connected with the first threaded sleeve 207 through the clamping plate 208, and the opposite side of the two clamping plates 208 is adhered with the anti-skid rubber layer 211; the pipe head is placed between the two clamping plates 208, the pipe bottom is placed on the support plate 203, then the first rotating disc 205 is rotated through the first rocking handle 206, the first lead screw 204 is rotated, the two groups of first threaded sleeves 207 connected with the first lead screw 204 are moved in opposite directions, and the first sliding sleeve 209 is limited by the first guide column 210, so that the two clamping plates 208 clamp the pipe, and the anti-skid rubber layer 211 plays a role of preventing the pipe from slipping.

[0034] As shown in the figure, Figure 1 The bearing platform 500 is fixedly connected to one end of the bottom plate 101, the bearing platform 500 is provided with the bearing arc plate 501, and the bottom of the bearing arc plate 501 is flush with the support plate 203; after the head of one pipe is clamped and fixed on a group of fixed frames 200, the tail is placed on the bearing arc plate 501, and the pipe is lifted as a whole to a horizontal state through the bearing platform 500.

[0035] As shown in the figure, Figure 2 The bottom support structure 600 is fixedly connected to one end of the track 102 in an array, and the bottom support structure 600 has four groups. Each group of bottom support structures 600 includes two first side plates 601, a rotating shaft rod 602 is rotatably inserted between the first side plates 601, the support roller 603 is provided on the rotating shaft rod 602, and the upper surface of the support roller 603 is flush with the support plate 203; after the head of another pipe is clamped and fixed on another group of fixed frames 200, the tail is placed on the support roller 603, and the pipe is lifted as a whole to a horizontal state through the bottom support structure 600.

[0036] As shown in the figure, Figure 5As shown, the side limiting structure 700 is fixedly connected on the track 102 and between the two groups of bottom supporting structures 600; the side limiting structure 700 comprises two second side plates 701, the second side plates 701 are fixedly connected with a second guide column 702 therebetween, and two groups of second sliding sleeves 706 are slidingly connected on the second guide column 702; a second lead screw 703 is rotatably inserted between the second side plates 701, and a second turntable 704 is arranged at one end of the second lead screw 703, and a second crank 705 is arranged on the second turntable 704; the second lead screw 703 has bidirectional threads, and one group of second threaded sleeves 707 are connected on the bidirectional threads of the second lead screw 703 through screw transmission; the second sliding sleeves 706 and the second threaded sleeves 707 are connected through a connecting plate 708; a limiting column 709 is arranged on each of the two groups of second threaded sleeves 707, a limiting boss 710 is arranged on the limiting column 709, and a pinch roll 711 is sleeved on the limiting column 709 to form a rotary connection, and the pinch roll 711 is supported at the bottom of the limiting boss 710; the pipeline tail is between the two groups of pinch rolls 711; the second turntable 704 is rotated through the second crank 705, the second lead screw 703 is driven to rotate, the two groups of second threaded sleeves 707 connected with the second lead screw 703 through screw transmission are moved in opposite directions, the movement of the second sliding sleeves 706 is limited through cooperation of the second guide column 702, the two limiting columns 709 are driven to move close to each other, and the pipeline is clamped through the pinch rolls 711.

[0037] The specific use mode and effect of the embodiment are as follows:

[0038] The utility model discloses a pipeline head is put between two clamps 208, and the pipeline bottom bears on the support plate 203, then rotates the first turntable 205 through the first ratchet wrench 206, drives the rotation of first lead screw 204, and two groups of first threaded sleeve 207 of screw transmission connection of first lead screw 204 opposite movement, cooperate the limiting action of first guide column 210 to first sliding sleeve 209 movement, drive two clamps 208 and clamp the pipeline, and the antiskid rubber layer 211 plays the antiskid effect to the pipeline, after clamping and fixing one pipeline head on one group of fixed frame 200, its tail is arranged on the bearing arc plate 501, and the whole pipeline is in the horizontal state through the bearing platform 500 and is lifted, after clamping and fixing another pipeline head on another group of fixed frame 200, its tail is arranged on the support roller 603, and the whole pipeline is in the horizontal state through the bottom support structure 600 and is lifted, and the pipeline tail is between two groups of clamping and feeding rollers 711, rotates the second turntable 704 through the second ratchet wrench 705, drives the rotation of second lead screw 703, and two groups of second threaded sleeve 707 of screw transmission connection of second lead screw 703 opposite movement, cooperate the limiting action of second guide column 702 to second sliding sleeve 706 movement, drive two limit posts 709 and be close to each other, and clamp the pipeline through clamping and feeding roller 711, then telescopic link 400 is lengthened, and one of the pipeline head is driven and is advanced through fixed frame 200 clamping, and its tail passes through between support roller 603 and clamping and feeding roller 711, and the whole pipeline always keeps the horizontal state during the movement process, and two pipeline heads are close to horizontal butt joint.

[0039] The utility model discloses not detailed, all be the known technology of the person skilled in the art.

Claims

1. A gas pipeline butt joint device, comprising a fixed seat (100) and a telescopic rod (400); two groups of fixed frames (200) are arranged on the fixed seat (100), one group of fixed frames (200) is fixedly connected with the fixed seat (100), and the other group of fixed frames (200) is slidably connected with the fixed seat (100); the fixed frame (200) slidably connected with the fixed seat (100) is fixedly connected with a movable end of the telescopic rod (400), and a fixed end of the telescopic rod (400) is fixedly supported on the fixed seat (100) through a fixed support (300); characterized in that: The fixed seat (100) is further provided with a bearing platform (500), a bottom support structure (600) and a side limiting structure (700) at both ends; the fixed seat (100) comprises a bottom plate (101), one side of the bottom plate (101) is provided with a track (102), and a sliding groove (1021) is formed in the track (102); the two groups of fixing frames (200) each comprise a support frame (201) and two clamping plates (208), the support frame (201) of one group of fixing frames (200) is fixedly connected to the bottom plate (101), and the support frame (201) of the other group of fixing frames (200) is provided with a sliding plate (202) at the bottom, and the sliding plate (202) is slidably connected with the sliding groove (1021); the sliding plate (202) is provided with a fixed block (212), and the fixed block (212) is fixedly connected with the movable end of the telescopic rod (400). ​ 2. A gas pipe coupling device as claimed in claim 1, characterised in that: The support frame (201) is connected with a support plate (203), the support frame (201) is rotatably penetrated with a first lead screw (204), one end of the first lead screw (204) is provided with a first rotary disc (205), and the first rotary disc (205) is provided with a first ratchet wrench (206); the first lead screw (204) has bidirectional threads, and a group of first threaded sleeves (207) are respectively connected to the first lead screw (204) on the bidirectional threads in a screw transmission mode.

3. A gas pipe coupling device as claimed in claim 1, characterised in that: The support frame (201) is fixedly provided with a first guide column (210), and two groups of first sliding sleeves (209) are slidably connected to the first guide column (210); the first sliding sleeve (209) is connected with the first threaded sleeve (207) through the clamping plate (208), and the opposite side of the two clamping plates (208) is adhered with a non-slip rubber layer (211).

4. A gas pipe coupling device as claimed in claim 2, wherein: The bearing platform (500) is fixedly connected to one end of the bottom plate (101), and the bearing platform (500) is provided with a bearing arc plate (501), and the bottom of the bearing arc plate (501) is flush with the support plate (203).

5. A gas pipe coupling device as claimed in claim 2, wherein: The bottom support structure (600) is fixedly connected to one end of the track (102) in an array, and the bottom support structure (600) has four groups in total; each group of bottom support structures (600) comprises two first side support plates (601), a rotating shaft rod (602) is rotatably penetrated between the first side support plates (601), the rotating shaft rod (602) is provided with a support roller (603), and the upper surface of the support roller (603) is flush with the support plate (203).

6. A gas pipe coupling device as claimed in claim 1, characterised in that: The side limiting structure (700) is fixedly connected on the track (102) and is between the two groups of bottom supporting structures (600); the side limiting structure (700) comprises two second side supporting plates (701), the second side supporting plates (701) are fixedly connected with a second guide column (702) therebetween, the second guide column (702) is slidably connected with two groups of second sliding sleeves (706); the second side supporting plates (701) are rotatably inserted with a second lead screw (703) therebetween, one end of the second lead screw (703) is provided with a second rotating disc (704), and the second rotating disc (704) is provided with a second crank handle (705); the second lead screw (703) is provided with bidirectional threads, and the second lead screw (703) is connected with a group of second threaded sleeves (707) on the bidirectional threads in a screw transmission mode respectively.

7. A gas pipe coupling device as claimed in claim 6, characterised in that: The second sliding sleeve (706) and the second threaded sleeve (707) are connected through a connecting plate (708); the two groups of second threaded sleeves (707) are each provided with a limiting column (709), the limiting column (709) is provided with a limiting boss (710), and the limiting column (709) is provided with a pinch roll (711) to form a rotary connection, and the pinch roll (711) is supported at the bottom of the limiting boss (710).