A natural gas pipeline cutting device
By designing a natural gas pipeline cutting device with a U-shaped plate and clamping, lifting and adjusting mechanisms, the problems of high labor intensity for operators and uneven cutting edges have been solved, achieving efficient and stable pipeline cutting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 张卓
- Filing Date
- 2025-06-20
- Publication Date
- 2026-07-21
AI Technical Summary
The existing natural gas pipeline cutting equipment requires high labor intensity for operators, which can easily lead to fatigue and uneven cuts, affecting the cutting quality.
A natural gas pipeline cutting device was designed, comprising a U-shaped plate, a movable seat, a clamping mechanism, a cutting mechanism, and a lifting and adjusting mechanism. The device is fixed to the pipeline by the clamping mechanism and the cutting mechanism is driven by the lifting and adjusting mechanism to perform the cutting, reducing the need for manual hand operation.
It reduces the labor intensity of operators, ensures the flatness of the cut, improves the cutting quality, and reduces the possibility of operational errors and rework.
Smart Images

Figure CN224526134U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting device technology, specifically a natural gas pipeline cutting device. Background Technology
[0002] Natural gas is a gaseous fossil fuel primarily composed of methane. It is mainly found in oil and gas fields, with smaller quantities also found in coal seams. Like crude oil, natural gas is buried in low-lying, enclosed geological structures; some are deposited in the same strata as crude oil, while others exist independently. Natural gas deposited in the same strata as crude oil is extracted along with the crude oil. Its primary use is as fuel, and it can be used to manufacture carbon black, chemicals, and liquefied petroleum gas (LPG). Propane and butane produced from natural gas are important raw materials for modern industry. Natural gas is mainly composed of a mixture of gaseous low-molecular-weight hydrocarbons and non-hydrocarbon gases.
[0003] Natural gas pipelines are pipelines used to transport natural gas. Because the required length of natural gas pipelines varies during installation, they need to be cut.
[0004] Currently, natural gas pipelines are cut using handheld integrated cutting equipment, which is labor-intensive for operators, easily leads to fatigue, affects operational safety, and results in uneven cuts, affecting cutting quality. Therefore, we have proposed a natural gas pipeline cutting device to solve the above-mentioned problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a natural gas pipeline cutting device that solves the problems of high labor intensity, easy fatigue, and impact on operational safety during cutting, as well as uneven cut surfaces that affect cutting quality.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a natural gas pipeline cutting device, comprising a U-shaped plate;
[0007] The movable seats are provided in two sets, and are respectively mounted on both sides of the bottom of the U-shaped plate via bearings;
[0008] The U-shaped seat is installed and fixed on one side of the movable seat;
[0009] A clamping mechanism, mounted on a U-shaped seat, is used to secure the device to the natural gas pipeline;
[0010] The cutting mechanism is located between two sets of U-shaped seats;
[0011] The lifting and adjusting mechanism, installed on the U-shaped plate, can drive the cutting mechanism to move up and down.
[0012] Preferably, a handle is fixedly installed on the upper surface of the U-shaped plate.
[0013] Preferably, the lifting adjustment mechanism includes a screw and a first limiting rod respectively disposed on both sides of the U-shaped plate. A crossbeam plate is disposed on the U-shaped plate. One end of the crossbeam plate is threadedly installed on the screw through a threaded sleeve embedded in it, and the other end of the crossbeam plate slides on the surface of the first limiting rod through a through hole.
[0014] Preferably, symmetrically arranged connecting blocks are fixedly installed on both sides of the U-shaped plate, and the two ends of the screw are rotatably mounted on two sets of connecting blocks on one side of the U-shaped plate via bearings. The two ends of the first limiting rod are fixedly connected to two sets of connecting blocks on the other side of the U-shaped plate. A rotating handwheel is fixedly installed at the top of the screw. A sliding opening adapted to the crossbeam plate is provided on the U-shaped plate, and the crossbeam plate can slide within the sliding opening provided in the U-shaped plate.
[0015] Preferably, the cutting mechanism includes a mounting plate fixed to the surface of the crossbeam plate and a motor fixedly mounted on the mounting plate, wherein a cutting disc is fixedly mounted on the output end of the motor by screws.
[0016] Preferably, the clamping mechanism includes a bidirectional lead screw rotatably mounted in the U-shaped seat via a bearing, and symmetrically arranged drive blocks are threaded onto opposite threads of the bidirectional lead screw. An arc-shaped clamping plate is fixedly mounted on one side of the drive block, and symmetrically arranged second limiting rods are fixed inside the U-shaped seat. The drive blocks can slide on the surface of the second limiting rods through the opening limiting holes.
[0017] Preferably, one end of the bidirectional lead screw extends to the outside of the U-shaped seat, and a rubber pad is fixed on the side of the corresponding clamping plates that are close to each other.
[0018] Beneficial effects
[0019] This utility model provides a natural gas pipeline cutting device. Compared with the prior art, it has the following advantages:
[0020] Beneficial effects:
[0021] This natural gas pipeline cutting device uses a clamping mechanism to fix the device to the natural gas pipeline, and then uses a lifting and adjusting mechanism to drive the cutting mechanism to cut. This reduces the operator's need to hold the overall weight of the equipment, greatly reduces the operator's labor intensity, effectively avoids operational errors caused by fatigue, ensures the flatness of the cut, and improves the cutting quality. This is beneficial to subsequent pipeline installation and connection work, and reduces the possibility of maintenance and rework. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the clamping mechanism of this utility model;
[0024] Figure 3 This is a schematic diagram of the rotating U-shaped plate structure of this utility model.
[0025] In the diagram: 101, U-shaped plate; 102, handle; 103, U-shaped seat; 104, movable seat; 2, cutting mechanism; 201, mounting plate; 202, motor; 203, cutting disc; 3, lifting and adjusting mechanism; 301, screw; 302, first limit rod; 303, crossbeam plate; 304, rotating handwheel; 4, clamping mechanism; 401, clamping plate; 402, double-acting lead screw; 403, drive block; 404, second limit rod. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] like Figure 1-3 As shown:
[0028] A natural gas pipeline cutting device includes a U-shaped plate 101;
[0029] The movable seat 104 is provided in two sets, and is respectively mounted on both sides of the bottom of the U-shaped plate 101 via bearings;
[0030] U-shaped seat 103 is installed and fixed on one side of movable seat 104;
[0031] The clamping mechanism 4 is mounted on the U-shaped seat 103 and is used to fix the device to the natural gas pipe. The clamping mechanism 4 includes a bidirectional lead screw 402 rotatably mounted in the U-shaped seat 103 via bearings. The opposite threads of the bidirectional lead screw 402 are threaded with symmetrically arranged drive blocks 403. An arc-shaped clamping plate 401 is fixedly mounted on one side of the drive block 403. A symmetrically arranged second limiting rod 404 is fixed inside the U-shaped seat 103. The drive block 403 can slide on the surface of the second limiting rod 404 through the opening limiting hole.
[0032] One end of the bidirectional lead screw 402 extends to the outside of the U-shaped seat 103, and a rubber pad is fixed on the side of the corresponding clamping plate 401 that is close to each other.
[0033] Cutting mechanism 2 is located between two sets of U-shaped seats 103;
[0034] A lifting and adjusting mechanism 3, mounted on a U-shaped plate 101, drives the cutting mechanism 2 to move up and down. The lifting and adjusting mechanism 3 includes a screw 301 and a first limiting rod 302 respectively disposed on both sides of the U-shaped plate 101. A crossbeam plate 303 is provided on the U-shaped plate 101. One end of the crossbeam plate 303 is threaded onto the screw 301 through a threaded sleeve embedded in it, and the other end of the crossbeam plate 303 slides on the surface of the first limiting rod 302 through a through hole. The two sides of the plate 101 are fixedly installed with symmetrically arranged connecting blocks. The two ends of the screw 301 are rotatably mounted on two sets of connecting blocks on one side of the U-shaped plate 101 through bearings. The two ends of the first limiting rod 302 are fixedly connected to two sets of connecting blocks on the other side of the U-shaped plate 101. A rotating handwheel 304 is fixedly installed at the top of the screw 301. The U-shaped plate 101 is provided with a sliding opening that matches the crossbeam plate 303. The crossbeam plate 303 can slide within the sliding opening of the U-shaped plate 101.
[0035] The cutting mechanism 2 includes a mounting plate 201 fixed on the surface of the crossbeam plate 303 and a motor 202 fixedly mounted on the mounting plate 201. The output end of the motor 202 is fixedly mounted with a cutting disc 203 by screws.
[0036] A handle 102 is fixedly installed on the upper surface of the U-shaped plate 101.
[0037] In this implementation scheme: When using the natural gas pipeline cutting device, the operator first holds the handle 102 and places the device on the natural gas pipeline. At this time, the symmetrical clamping plates 401 on the clamping mechanism 4 will be clamped on the natural gas pipeline. By rotating the bidirectional lead screw 402, due to its opposite thread structure design, it can drive the two sets of driving blocks 403 to move closer to each other. At the same time, the driving blocks 403 slide on the surface of the second limiting rod 404. The setting of the second limiting rod 404 can effectively limit the driving blocks 403, ensuring the stability of the movement of the driving blocks 403. The movement of the driving blocks 403 then drives the clamping plates 401 to move synchronously, so that the two sets of clamping plates 401 can move closer to each other, thereby clamping and fixing the natural gas pipeline. The clamping plates 401 adopt an arc-shaped structure design, which can increase the contact area with the natural gas pipeline. At the same time, the inner arc surface of the clamping plates 401 is fixed with rubber pads, which can increase the friction while clamping the pipeline and improve the stability of clamping.
[0038] Specifically, the clamping position of the clamping mechanism 4 should be ensured to correspond to the cutting position of the cutting disc 203 and the natural gas pipeline so as to ensure accurate alignment during clamping and fixing.
[0039] After the motor 202 is started, the cutting disc 203 rotates accordingly to cut the natural gas pipeline.
[0040] By rotating the handwheel 304, the screw 301 is driven to rotate, thereby causing the crossbeam plate 303 to move up and down. At the same time, one end of the crossbeam plate 303 can slide on the surface of the first limiting rod 302. The first limiting rod 302 limits the movement of the crossbeam plate 303, thereby ensuring the stability of the movement of the crossbeam plate 303. The crossbeam plate 303 drives the cutting mechanism 2 to move down synchronously, so that the cutting disc 203 contacts the surface of the natural gas pipeline, thereby cutting the natural gas pipeline.
[0041] like Figure 3 As shown: When the pipe diameter is large and the cutting disc 203 cannot completely cover it, the U-shaped plate 101 can be rotated to make the cutting mechanism 2 fold at an angle. During this process, the position of the cutting disc 203 can be adjusted in real time through the lifting adjustment mechanism 3 to ensure that the cutting position of the cutting disc 203 on the natural gas pipeline is more accurate, thereby realizing the cutting operation of the entire circle of the natural gas pipeline.
[0042] This solution uses a clamping mechanism 4 to fix the device to the natural gas pipeline, and then uses a lifting and adjusting mechanism 3 to drive the cutting mechanism 2 to cut. This reduces the operator's need to hold the overall weight of the equipment, greatly reduces the operator's labor intensity, effectively avoids operational errors caused by fatigue, ensures the flatness of the cut, and improves the cutting quality. This is beneficial for subsequent pipeline installation and connection work, and reduces the possibility of maintenance and rework.
[0043] It should be noted that all electrical equipment involved in this product is powered by an external power source; and all content not described in detail in this specification is existing technology known to those skilled in the art.
[0044] This design requires support blocks to support the natural gas pipeline during cutting, ensuring the pipeline is suspended above the ground. The support blocks are evenly distributed to prevent imbalances caused by gravity after the pipeline is cut.
[0045] When cutting thinner pipes, the cutting time is short, and there is no need to use the clamping mechanism 4 to clamp the natural gas pipe.
[0046] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A natural gas pipeline cutting device, characterized in that: Including U-shaped plate (101); The movable seat (104) is provided in two sets and is rotatably mounted on both sides of the bottom of the U-shaped plate (101) via bearings; The U-shaped seat (103) is installed and fixed on one side of the movable seat (104); A clamping mechanism (4) is mounted on a U-shaped seat (103) for fixing the device to a natural gas pipeline; The cutting mechanism (2) is set between two sets of U-shaped seats (103); The lifting adjustment mechanism (3) is installed on the U-shaped plate (101) and can drive the cutting mechanism (2) to move up and down.
2. The natural gas pipeline cutting device according to claim 1, characterized in that: A handle (102) is fixedly installed on the upper surface of the U-shaped plate (101).
3. The natural gas pipeline cutting device according to claim 1, characterized in that: The lifting adjustment mechanism (3) includes a screw (301) and a first limiting rod (302) respectively disposed on both sides of the U-shaped plate (101). A crossbeam plate (303) is disposed on the U-shaped plate (101). One end of the crossbeam plate (303) is threadedly installed on the screw (301) through a threaded sleeve embedded in itself, and the other end of the crossbeam plate (303) slides on the surface of the first limiting rod (302) through a through hole.
4. The natural gas pipeline cutting device according to claim 3, characterized in that: The U-shaped plate (101) has symmetrically arranged connecting blocks fixedly installed on both sides. The two ends of the screw (301) are rotatably mounted on two sets of connecting blocks on one side of the U-shaped plate (101) through bearings. The two ends of the first limiting rod (302) are fixedly connected to two sets of connecting blocks on the other side of the U-shaped plate (101). A rotating handwheel (304) is fixedly installed at the top of the screw (301). The U-shaped plate (101) has a sliding opening adapted to the crossbeam plate (303). The crossbeam plate (303) can slide within the sliding opening of the U-shaped plate (101).
5. The natural gas pipeline cutting device according to claim 4, characterized in that: The cutting mechanism (2) includes a mounting plate (201) fixed on the surface of the crossbeam plate (303) and a motor (202) fixedly mounted on the mounting plate (201). The output end of the motor (202) is fixedly mounted with a cutting disc (203) by screws.
6. The natural gas pipeline cutting device according to claim 1, characterized in that: The clamping mechanism (4) includes a bidirectional lead screw (402) rotatably mounted in the U-shaped seat (103) via a bearing. The bidirectional lead screw (402) has drive blocks (403) symmetrically arranged on opposite threads. A clamping plate (401) with an arc-shaped structure is fixedly mounted on one side of the drive block (403). A second limiting rod (404) symmetrically arranged is fixed inside the U-shaped seat (103). The drive block (403) can slide on the surface of the second limiting rod (404) through a limiting hole.
7. The natural gas pipeline cutting device according to claim 6, characterized in that: One end of the bidirectional lead screw (402) extends to the outside of the U-shaped seat (103), and a rubber pad is fixed on the side of the corresponding clamping plate (401) that is close to each other.