Auxiliary positioning device for gas pipeline installation

Abstract

The invention relates to the technical field of gas pipeline installation, and provides an auxiliary positioning device for gas pipeline installation, which is used for assisting the positioning of a gas pipeline to be installed and a fixed gas pipeline before welding, and comprises at least two first positioning frames, and the first positioning frames are arranged on a frame body; the number of the second positioning frames is at least two, the second positioning frames are arranged on the frame body, and the opening ends of the first positioning frames and the opening ends of the second positioning frames abut against the side wall of the fixed gas pipeline and the side wall of the gas pipeline to be installed in a one-to-one mode. The rope fixing piece is arranged on the first positioning frame and used for fixing a rope which passes through the gas pipeline in a winding mode in the circumferential direction of the fixed gas pipeline; the jacking piece is located above the second positioning frame and used for pushing the side wall of the gas pipeline to be installed to abut against the second positioning frame. By means of the technical scheme, the technical problem that in the prior art, after positioning is completed, an auxiliary positioning device for gas pipeline installation is not easy to take down is solved.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to the technical field of gas pipeline installation, and in particular, to an auxiliary positioning device for gas pipeline installation. Background Art

[0002] As an important energy source, gas is widely used in industrial production and residents' lives. Gas pipelines are key facilities for transporting gas, and their performance and safety are crucial. When laying out gas pipelines, it is usually necessary to connect multiple sections of gas pipelines. The most common connection method is welding, but the welding connection method has high requirements for construction technology, especially when dealing with large gas pipeline welding connections, it is also necessary to accurately control the distance between the two gas pipeline ports.

[0003] In the installation of gas pipelines on site, a crane is generally used to lift the gas pipeline to the designated location. After workers place supporting devices under the gas pipeline, the crane will adjust the direction of the gas pipeline. However, there is a problem of positioning certainty in actual operation, and the distance and coaxiality between the gas pipelines need to be adjusted multiple times.

[0004] In order to solve the problem of difficult gas pipeline positioning in the prior art, the publication number: CN116857435B "A gas pipeline installation auxiliary positioning device" proposed using two cylinders to complete the coaxial positioning of two gas pipelines, and then using an intermittent reciprocating sliding pushing mechanism to push one gas pipeline closer to the other gas pipeline. Although it can improve the positioning efficiency of the gas pipeline in actual use, it is difficult to remove the two pipelines after positioning. If the medium and high pressure pipeline is more than 10m~12m long, removing the positioning device will consume a lot of manpower and material resources. Summary of the invention

[0005] In order to overcome the above-mentioned defects, an embodiment of the present disclosure provides an auxiliary positioning device for gas pipeline installation, which solves the technical problem in the prior art that the auxiliary positioning device for gas pipeline installation is difficult to remove after positioning is completed.

[0006] According to one aspect, at least one embodiment of the present disclosure provides an auxiliary positioning device for gas pipeline installation, which is used to assist in positioning a gas pipeline to be installed and a fixed gas pipeline before welding, comprising: Frame; There are at least two first positioning frames, and the first positioning frames are arranged on the frame body; There are at least two second positioning frames, the second positioning frames are arranged on the frame body, the second positioning frames are spaced apart from the first positioning frames, the projections of the first positioning frames and the second positioning frames along the length direction of the frame body overlap, and the open ends of the first positioning frames and the open ends of the second positioning frames abut against the side walls of the fixed gas pipeline and the gas pipeline to be installed one by one; A rope fixing member, arranged on the first positioning frame, the rope fixing member is used to fix the rope passing around the circumference of the fixed gas pipeline; A lifting member, wherein the lifting member and the second positioning frame are respectively located on both sides of the gas pipeline to be installed, and the lifting member is used to push the side wall of the gas pipeline to be installed to abut against the second positioning frame.

[0007] For example, at least one embodiment of the present disclosure provides an auxiliary positioning device for gas pipeline installation, further comprising: A sliding frame is slidably arranged on the frame body, wherein the sliding direction of the sliding frame is parallel to the length direction of the frame body, and the second positioning frame is arranged on the frame body through the sliding frame, and after the sliding frame slides, the second positioning frame is driven to approach or move away from the first positioning frame; A connecting frame, one end of which is detachably arranged on the sliding frame, and the other end of which is located below the gas pipeline to be installed. The connecting frame is used to place and install the jacking member.

[0008] For example, in an auxiliary positioning device for gas pipeline installation provided in at least one embodiment of the present disclosure, the sliding frame has a mounting groove and an entrance, the entrance is connected to the mounting groove, and the connecting frame includes: A mounting plate having the same shape as the mounting groove, wherein the mounting plate is fixed by the mounting groove after entering the mounting groove; A connecting rod, one end of which is arranged below the mounting plate and the other end of which extends toward the ground; after the connecting rod passes through the entry port, the mounting plate is located above the mounting groove, and the connecting rod is located on one side of the gas pipeline to be installed.

[0009] For example, in an auxiliary positioning device for gas pipeline installation provided in at least one embodiment of the present disclosure, the connecting frame further includes: A sliding rod, one end of which is slidably disposed on the connecting rod, and the sliding rod slides close to the mounting plate or the ground; A rotating support plate is rotatably arranged at one end of the sliding rod away from the mounting plate, the axis of the rotating support plate is parallel to the sliding direction of the sliding rod, and one end of the rotating support plate after rotation is located below the gas pipeline to be installed or on one side of the gas pipeline to be installed, and the rotating support plate is used to support the lifting member.

[0010] For example, in an auxiliary positioning device for gas pipeline installation provided by at least one embodiment of the present disclosure, there are at least two of the connecting rod, the sliding rod, the rotating support plate, and the lifting member, and one lifting member is arranged under each second positioning frame.

[0011] For example, in an auxiliary positioning device for gas pipeline installation provided by at least one embodiment of the present disclosure, there are at least two connecting frames, and the two connecting frames are respectively located on both sides of the gas pipeline to be installed. After the rotating support plates of the two connecting frames are rotated to the bottom of the gas pipeline to be installed, the rotating support plate provided with the jacking member is located above the other rotating support plate.

[0012] For example, in an auxiliary positioning device for gas pipeline installation provided in at least one embodiment of the present disclosure, the connecting frame further includes: A connecting block, one end of which is arranged at one end of the sliding rod close to the ground, the connecting block having a connecting side wall, the connecting side wall being located on one side of the rotation axis of the rotating support plate, and the rotating support plate abutting against one side of the connecting side wall after rotating; A lifting block is detachably arranged at one end of the connecting side wall away from the sliding rod, the rotating support plate is located above the lifting block, and the lifting block is used to support the rotating support plate.

[0013] For example, at least one embodiment of the present disclosure provides an auxiliary positioning device for gas pipeline installation, further comprising: A worm is arranged on the frame, and the axis direction of the worm is parallel to the length direction of the frame; A worm wheel is rotatably arranged on the sliding frame, the worm wheel and the worm are meshed with each other, and the worm wheel drives the sliding frame to slide by rotating.

[0014] For example, in an auxiliary positioning device for gas pipeline installation provided in at least one embodiment of the present disclosure, the frame body has a counterweight at one end away from the second positioning frame, and the counterweight is used to balance the weight on both sides of the first positioning frame.

[0015] For example, in an auxiliary positioning device for gas pipeline installation provided in at least one embodiment of the present disclosure, the lifting member has a lifting end, the lifting end has a third positioning frame, and the opening end of the third positioning frame faces the mounting plate.

[0016] The beneficial effects of the embodiments of the present disclosure are: 1. The first positioning frame and the second positioning frame not only have the coaxial positioning function of the gas pipeline to be installed and the fixed gas pipeline, but can also adapt to gas pipelines of different diameters, while ensuring accurate positioning, improving the overall applicability of the device.

[0017] 2. The rope fixing part and the rope can be used together to fix the first positioning frame, which not only has the advantage of convenient disassembly, but also can prevent the lifting part from lifting the gas pipeline to be installed and contacting the second positioning frame, causing the frame to tilt, thereby affecting the positioning accuracy.

[0018] 3. After the gas pipeline to be installed and the fixed gas pipeline are positioned, it is only necessary to untie the rope fixed by the rope fixing device, and then the lifting device can be removed from the upper part of the fixed gas pipeline and the gas pipeline to be installed, thus avoiding the situation that the casing is difficult to remove after positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following briefly introduces the drawings required for use in the description of the embodiments of the present disclosure. Obviously, the drawings described below are only some exemplary embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on the contents of the exemplary embodiments of the present disclosure and these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of an embodiment of the present disclosure; Figure 2 for Figure 1 a side view of the illustrated embodiment; Figure 3 for Figure 1 A schematic structural diagram of another angle in the embodiment; Figure 4 for Figure 3 The enlarged structural diagram at B in the middle; Figure 5 for Figure 1 The enlarged structural diagram at A in the middle; In the figure: 110, gas pipeline to be installed, 120, fixed gas pipeline, 210, worm, 220, worm wheel, 300, frame, 310, counterweight, 400, a first positioning frame, 500, a second positioning frame, 600, rope fixings, 700, lifting member, 710, lifting end, 720, third positioning frame, 800, sliding frame, 810, mounting slot, 820, entrance, 900, connecting frame, 910, mounting plate, 920, connecting rod, 970, sliding rod, 940, rotating support plate, 950, connecting block, 951, connecting side wall, 960, lifting block. DETAILED DESCRIPTION

[0021] The present disclosure is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure, rather than to limit the present disclosure.

[0022] In order to simplify the drawings, only the parts related to the disclosure are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0023] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.

[0024] In the present disclosure, unless otherwise expressly specified and limited, a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being “above”, “above”, and “above” a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present disclosure.

[0026] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0027] like Figure 1~Figure 5As shown, it shows an auxiliary positioning device for gas pipeline installation in one embodiment of the present disclosure, which is used to assist the positioning of the gas pipeline 110 to be installed and the fixed gas pipeline 120 before welding, including a frame 300, the frame 300 is made of H-shaped steel or I-shaped steel, and the frame 300 provides stable support for the first positioning frame 400 and the second positioning frame 500, ensuring that the first positioning frame 400 and the second positioning frame 500 are in a straight line. There are at least two first positioning frames 400, and after the open ends of two or more first positioning frames 400 abut against the side wall of the fixed gas pipeline 120, a straight line can be determined. After the first positioning frame 400 determines a straight line, it is only necessary to lift the gas pipeline 110 to be installed to the bottom of the second positioning frame 500, and then rely on the lifting member 700 to lift the gas pipeline 110 to be installed from the bottom of the gas pipeline 110 to the position abutting against the second positioning frame 500. Two or more second positioning frames 500 can make the gas pipeline 110 to be installed be located in a straight line. The projections of the first positioning frame 400 and the second positioning frame 500 along the length direction of the frame body 300 overlap, that is, the first positioning frame 400 and the second positioning frame 500 have the same shape and the orientations of the open ends are the same. The first positioning frame 400 and the second positioning frame 500 are arranged in such a way that the axes of the gas pipeline 110 to be installed and the fixed gas pipeline 120 are located on the same axis.

[0028] A rope fixing member 600 is installed on the first positioning frame 400. The rope fixing member 600 can fix the rope by bolts and nuts. The rope is a high-strength nylon rope or a steel wire rope with a diameter of 12 mm. One end of the rope is fixed to the first positioning frame 400, and the other end is fixed to the first positioning frame 400 through the rope fixing member 600 after being wound at least once along the circumference of the fixed gas pipeline 120. The lifting member 700 is a hydraulic jack or an electric push rod. When in use, it is placed under the second positioning frame 500, and the gas pipeline 110 to be installed is hoisted between the second positioning frame 500 and the lifting member 700.

[0029] In actual operation, the first positioning frame 400 is hoisted above the fixed gas pipeline 120, and then the first positioning frame 400 is abutted against the side wall of the fixed gas pipeline 120, and the first positioning frame 400 is fixed to the fixed gas pipeline 120 by using ropes and rope fixings 600. The lifting member 700 is placed below the second positioning frame 500, and the gas pipeline 110 to be installed is hoisted between the second positioning frame 500 and the lifting member 700, and the lifting member 700 is started to make its side wall close to the second positioning frame 500; after completing the positioning of the gas pipeline 110 to be installed and the fixed gas pipeline 120, the operator welds the gas pipeline 110 to be installed and the fixed gas pipeline 120, and after the welding is completed, the rope fixings 600 are released, and the frame 300 is hoisted away from the gas pipeline.

[0030] The first positioning frame 400 and the second positioning frame 500 can be in the shape of a V-shaped frame, a trapezoidal frame with an opening at the bottom, a large radius arc frame, etc., so that the first positioning frame 400 and the second positioning frame 500 not only have the coaxial positioning function of the gas pipeline 110 to be installed and the fixed gas pipeline 120, but also can adapt to gas pipelines of different diameters, while ensuring accurate positioning, improving the overall applicability of the device. The rope fixing member 600 and the rope can be used to fix the first positioning frame 400, which not only has the advantage of convenient disassembly, but also can prevent the lifting member 700 from lifting the gas pipeline 110 to be installed and contacting the second positioning frame 500, causing the frame body 300 to tilt, thereby affecting the positioning accuracy. After the gas pipeline 110 to be installed and the fixed gas pipeline 120 are positioned, it is only necessary to untie the rope fixing member 600 to fix the rope, and then the lifting device can be removed from the fixed gas pipeline 120 and the gas pipeline 110 to be installed, avoiding the situation where the casing is difficult to remove after positioning.

[0031] In some examples, a sliding frame 800 is further included, and the sliding frame 800 is slidably disposed on the frame body 300, and its sliding direction is parallel to the length direction of the frame body 300. The second positioning frame 500 is disposed on the frame body 300 through the sliding frame 800, and when the sliding frame 800 slides, it can drive the second positioning frame 500 to approach or move away from the first positioning frame 400. One end of the connecting frame 900 is detachably disposed on the sliding frame 800, and the other end is located below the gas pipeline 110 to be installed. The connecting frame 900 is used to place and install the jacking member 700.

[0032] In actual operation, after the lifting member 700 lifts the gas pipeline 110 to be installed to abut against the second positioning frame 500, the sliding of the sliding frame 800 and the friction between the first positioning frame 400, the lifting member 700 and the gas pipeline 110 to be installed drive the gas pipeline 110 to be installed to slide, and adjust the distance between the gas pipeline 110 to be installed and the fixed gas pipeline 120. The detachable connection between the connecting frame 900 and the sliding frame 800 facilitates the assembly and disassembly of the device, and provides a stable installation position for the lifting member 700, so that the lifting member 700 can slide synchronously with the sliding frame 800. The connecting frame 900 and the sliding frame 800 can be connected by a latch, a clamping connection or a bolt connection.

[0033] The provision of the sliding frame 800 increases the flexibility and versatility of the device, and can meet the requirements of welding gaps for gas pipelines of different sizes. The detachable design of the connecting frame 900 facilitates the transportation and storage of the device, and improves the practicability of the device.

[0034] In some examples, the sliding frame 800 has a mounting groove 810 and an entrance 820, and the entrance 820 is connected to the mounting groove 810. The connecting frame 900 includes a mounting plate 910 and a connecting rod 920. The shape of the mounting plate 910 is the same as that of the mounting groove 810. When the mounting plate 910 enters the mounting groove 810, it will be fixed by the mounting groove 810. One end of the connecting rod 920 is set below the mounting plate 910, and the other end extends to the ground.

[0035] During installation, the operator lifts the connecting rod 920 so that the height of the mounting plate 910 is higher than the mounting groove 810. After the connecting rod 920 passes through the entrance 820, the mounting plate 910 is located above the mounting groove 810. The connecting rod 920 can be turned to allow the mounting plate 910 to enter the mounting groove 810. The connecting rod 920 is located on one side of the gas pipeline 110 to be installed, which can prevent the mounting plate 910 from being difficult to enter the mounting groove 810 due to interference with the gas pipeline 110 to be installed.

[0036] The matching mode of the mounting plate 910 and the mounting groove 810 is simple and stable, ensuring the reliable installation of the connecting frame 900. This detachable connection mode is convenient for the replacement and maintenance of components and reduces the use cost.

[0037] In some examples, the connecting frame 900 further includes a sliding rod 970 and a rotating support plate 940. One end of the sliding rod 970 is slidably disposed on the connecting rod 920, and can be close to the mounting plate 910 or the ground by sliding. The sliding of the sliding rod 970 can adapt to different diameters of the gas pipeline 110 to be installed, so that the lifting member 700 is located below the gas pipeline 110 to be installed while having a certain distance from the ground, thereby avoiding increasing the lifting time of the lifting member 700 and the sliding difficulty of the sliding frame 800.

[0038] The rotating support plate 940 is rotatably arranged at one end of the sliding rod 970 away from the mounting plate 910, and its axis is parallel to the sliding direction of the sliding rod 970. After the rotating support plate 940 is rotated, one end can be located below the gas pipeline 110 to be installed, for supporting the jacking member 700; or it can be rotated to the side of the gas pipeline 110 to be installed. By rotating the support plate 940, the position of the jacking member 700 can be flexibly adjusted, so that after the welding of the gas pipeline 110 to be installed and the fixed gas pipeline 120 is completed, the jacking member 700 can be moved to the lower side of the gas pipeline 110 to be installed by rotating the support plate 940, so that the operator can rely on the lifting equipment to lift the auxiliary positioning installation device away without the need to frequently disassemble the mounting plate 910.

[0039] It should be further noted that the rotation between the rotating support plate 940 and the sliding rod 970 should have damping to prevent the rotating support plate 940 from shaking randomly.

[0040] In some examples, there are at least two connecting rods 920, sliding rods 970, rotating support plates 940, and jacking members 700. In addition, a jacking member 700 is provided under each second positioning frame 500. In practical applications, the number of connecting rods 920, sliding rods 970, rotating support plates 940, and jacking members 700 is the same as the number of second positioning frames 500. When the lifting device bears most of the weight of the gas pipeline 110 to be installed, the inclination angle of the gas pipeline 110 to be installed can be adjusted by the jacking height of different jacking members 700, which can not only improve the positioning accuracy of the gas pipeline 110 to be installed, but also reduce the pressure on the jacking member 700, thereby improving the service life of the overall device.

[0041] In some examples, there are at least two connecting frames 900, and the two connecting frames 900 are respectively located on both sides of the gas pipeline 110 to be installed. When the rotating support plates 940 of the two connecting frames 900 are rotated to below the gas pipeline 110 to be installed, the rotating support plate 940 provided with the lifting member 700 will be located above the other rotating support plate 940.

[0042] In actual operation, the connecting frames 900 located on both sides of the gas pipeline 110 to be installed work together to provide a stable support foundation for the jacking member 700, thereby preventing the rotating support plate 940 from breaking due to excessive reaction of the jacking member 700 when jacking the gas pipeline 110 to be installed.

[0043] In some examples, the connecting frame 900 further includes a connecting block 950 and a lifting block 960 .

[0044] One end of the connecting block 950 is disposed at one end of the sliding rod 970 close to the ground, and the connecting block 950 has a connecting side wall 951, which is located on one side of the rotation axis of the rotating support plate 940. When the rotating support plate 940 rotates, it will abut against one side of the connecting side wall 951.

[0045] The lifting block 960 is detachably disposed at one end of the connecting side wall 951 away from the sliding rod 970 . The rotating support plate 940 is located above the lifting block 960 . The lifting block 960 is used to support the rotating support plate 940 .

[0046] In practical applications, the connecting side wall 951 of the connecting block 950 provides a limit and guide for the rotation of the rotating support plate 940, ensuring the accuracy and stability of its rotation. The detachable lifting block 960 facilitates maintenance and replacement, and also provides reliable support for the rotating support plate 940.

[0047] In some examples, a worm 210 and a worm wheel 220 are further included. The worm 210 is disposed on the frame 300, and its axis direction is parallel to the length direction of the frame 300. The worm wheel 220 rotates on the sliding frame 800, and the thread line of the worm wheel 220 and the worm 210 are meshed with each other. When the worm wheel 220 rotates, the sliding frame 800 is driven to slide along the length direction of the frame 300 through the interaction between the thread line and the worm 210.

[0048] In actual operation, the sliding frame 800 can be precisely slid by rotating the worm gear 220, thereby adjusting the distance between the second positioning frame 500 and the first positioning frame 400 to meet the positioning requirements of gas pipelines of different specifications. To ensure the sliding stability of the sliding frame 800, the sliding frame 800 and the frame body 300 can be limited by a slideway.

[0049] The rotation driving device is arranged on the sliding frame 800, and drives the worm gear 220 to rotate by means of a synchronous belt, a pulley or a chain sprocket. It can not only accurately control the distance between the gas pipeline 110 to be installed and the fixed gas pipeline 120, but also avoid as much as possible the situation where the rotation of the worm 210 may cause harm to the welding personnel.

[0050] It should be further noted that the rotary drive device should use various motors with a locking function. The locking function can prevent the rotary drive device from rotating after the rotary drive device is powered off, thereby ensuring that the gas pipeline 110 to be installed can be continuously maintained after being moved to a suitable position.

[0051] In some examples, the frame body 300 has a counterweight 310 at one end away from the second positioning frame 500. The counterweight 310 can ensure that the first positioning frame 400 is in a stable state after being placed above the fixed gas pipeline 120 and before being fixed by ropes.

[0052] In some examples, the lifting member 700 has a lifting end 710 , the lifting end 710 has a third V-shaped frame, and the open end of the third V-shaped frame faces the mounting plate 910 .

[0053] In actual operation, when the lifting member 700 is working, the third positioning frame 720 of the lifting end 710 thereof contacts the side wall of the gas pipeline 110 to be installed. Due to the shape characteristics of the third positioning frame 720, it can be more stably fitted with the side wall of the pipeline, providing a uniform lifting force, and ensuring the stability and accuracy of the pipeline during the lifting process.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure rather than to limit it. Although the present disclosure has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present disclosure may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present disclosure, which should be included in the scope of the claims of the present disclosure.

Claims

1. An auxiliary positioning device for gas pipeline installation, used for assisting the positioning of a gas pipeline to be installed (110) and a fixed gas pipeline (120) before welding, characterized in that: include: Frame (300); The first positioning frames (400) have at least two first positioning frames (400), and the first positioning frames (400) are arranged on the frame body (300); at least two second positioning frames (500), the second positioning frames (500) being arranged on the frame body (300), the second positioning frames (500) being spaced apart from the first positioning frames (400), the opening ends of the first positioning frames (400) and the opening ends of the second positioning frames (500) being respectively used to abut against the side walls of the fixed gas pipeline (120) and the gas pipeline (110) to be installed; A rope fixing member (600) is arranged on the first positioning frame (400), and the rope fixing member (600) is used to fix a rope that is wound around the fixed gas pipeline (120) in a circumferential direction; A lifting member (700), wherein the lifting member (700) and the second positioning frame (500) are respectively located on two sides of the gas pipeline (110) to be installed, and the lifting member (700) is used to push the side wall of the gas pipeline (110) to be installed to abut against the second positioning frame (500).

2. The auxiliary positioning device for gas pipeline installation according to claim 1, characterized in that: The projections of the first V-shaped frame (400) and the second V-shaped frame (500) along the length direction of the frame body (300) overlap.

3. The auxiliary positioning device for gas pipeline installation according to claim 1, characterized in that: Also includes: a sliding frame (800) slidably disposed on the frame body (300); the sliding direction of the sliding frame (800) is parallel to the length direction of the frame body (300); the second positioning frame (500) is disposed on the frame body (300) via the sliding frame (800); after the sliding frame (800) slides, it drives the second positioning frame (500) to approach or move away from the first positioning frame (400); A connecting frame (900) has one end detachably disposed on the sliding frame (800) and the other end located below the gas pipeline (110) to be installed, and the jacking member (700) is placed on the connecting frame (900).

4. The auxiliary positioning device for gas pipeline installation according to claim 3, characterized in that: The connecting frame (900) comprises: A sliding rod (970), one end of which is slidably arranged relative to the sliding frame (800), and the sliding rod (970) is close to the mounting plate (910) or the ground after sliding; A rotating support plate (940) is rotatably arranged at one end of the sliding rod (970) away from the sliding frame (800), the axis of the rotating support plate (940) is parallel to the sliding direction of the sliding rod (970), and one end of the rotating support plate (940) after rotation is located below the gas pipeline (110) to be installed or on one side of the gas pipeline (110) to be installed, and the rotating support plate (940) is used to support the lifting member (700).

5. The auxiliary positioning device for gas pipeline installation according to claim 4, characterized in that: The sliding frame (800) has a mounting groove (810) and an entrance (820), the entrance (820) being in communication with the mounting groove (810), and the connecting frame (900) comprises: The mounting plate (910) has the same shape as the mounting groove (810); after the mounting plate (910) enters the mounting groove (810), it is fixed by the mounting groove (810); A connecting rod (920) has one end disposed below the mounting plate (910) and the other end extending toward the ground; after the connecting rod (920) passes through the entry port (820), the mounting plate (910) is located above the mounting groove (810); the connecting rod (920) is located on one side of the gas pipeline (110) to be installed; and the sliding rod (970) is slidably disposed on the connecting rod (920).

6. The auxiliary positioning device for gas pipeline installation according to claim 5, characterized in that: There are at least two of each of the connecting rod (920), the sliding rod (970), the rotating support plate (940), and the lifting member (700), and one of the lifting members (700) is disposed under each of the second positioning frames (500).

7. The auxiliary positioning device for gas pipeline installation according to claim 5, characterized in that: There are at least two connecting frames (900), and the two connecting frames (900) are respectively located on both sides of the gas pipeline (110) to be installed. After the rotating support plates (940) of the two connecting frames (900) are rotated to below the gas pipeline (110) to be installed, the rotating support plate (940) provided with the lifting member (700) is located above the other rotating support plate (940).

8. The auxiliary positioning device for gas pipeline installation according to claim 5, characterized in that: The connecting frame (900) further comprises: a connecting block (950), one end of which is arranged at an end of the sliding rod (970) close to the ground, the connecting block (950) having a connecting side wall (951), the connecting side wall (951) being located on one side of the rotation axis of the rotating support plate (940), and the rotating support plate (940) abutting against one side of the connecting side wall (951) after rotating; The lifting block (960) is detachably arranged at one end of the connecting side wall (951) away from the sliding rod (970), and the rotating support plate (940) is located above the lifting block (960). The lifting block (960) is used to support the rotating support plate (940).

9. The auxiliary positioning device for gas pipeline installation according to claim 3, characterized in that: The auxiliary positioning device for gas pipeline installation also includes: A worm (210) is arranged on the frame (300), and the axial direction of the worm (210) is parallel to the length direction of the frame (300); The worm wheel (220) is rotatably disposed on the sliding frame (800), the worm wheel (220) and the worm (210) are meshed with each other, and the worm wheel (220) drives the sliding frame (800) to slide by rotating.

10. The auxiliary positioning device for gas pipeline installation according to claim 1, characterized in that: One end of the frame body (300) away from the second positioning frame (500) is provided with a counterweight block (310), and the counterweight block (310) is used to balance the weight on both sides of the first positioning frame (400).

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