GIS equipment pipeline flange butt joint auxiliary positioning mechanism for transformer substation

By adopting a fixed lifting frame structure on GIS equipment and utilizing a combination of pneumatic and hydraulic cylinders, the problems of unstable position and high cost of pipe flanges during installation on GIS equipment have been solved, achieving a convenient and safe installation process.

CN224015159UActive Publication Date: 2026-03-20CHINA NETWORK POWER EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-19
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing technologies, the position of pipe flanges is unstable when installed on GIS equipment, making calibration difficult and resulting in inconsistent mounting holes. Furthermore, there are safety hazards during hoisting, and existing devices are costly and lack flexibility.

Method used

The system adopts a fixed lifting frame structure, adjusts the lifting height with cylinders, and clamps the pipeline with hydraulic cylinders to achieve flexible positioning and docking, simplifying operation and reducing costs.

Benefits of technology

It enables stable alignment and flexible adjustment of pipe flanges, simplifies the installation process, reduces costs, and improves the convenience and safety of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a GIS equipment pipeline flange butt joint auxiliary positioning mechanism for a transformer substation, which comprises an I-shaped strip frame, the inner side surface of the I-shaped strip frame is fixedly connected with a supporting strip, the upper surface of the supporting strip is fixedly connected with air cylinders, the air cylinders are distributed at the outer end of the upper surface of the supporting strip, and the air cylinders are fixedly connected with the supporting strip. Supporting leg blocks are fixedly connected to the end faces of pushing rods of the air cylinders, rolling wheels are placed on the inner side surfaces of the I-shaped strip frames, supporting frames are arranged at the outer ends of the rolling wheels, arch-shaped plates are fixed to the lower surfaces of the supporting frames, hydraulic cylinders are fixedly connected to the outer surfaces of the arch-shaped plates, and clamping plates are fixedly connected to the end faces of pushing rods of the hydraulic cylinders. A fixed lifting frame structure is adopted, the height of lifting positioning alignment can be adjusted through an air cylinder, the position can be flexibly adjusted, a hydraulic cylinder is adopted to drive the clamping plate to clamp a pipeline, then butt joint is achieved through pushing and moving, operation is convenient, using is flexible, and the clamping mechanism is simple and low in cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of GIS equipment pipeline flange butt joint auxiliary positioning mechanism for transformer substation more specifically, relate to a kind of GIS equipment pipeline flange butt joint auxiliary positioning mechanism for transformer substation. BACKGROUND

[0002] Transformer substation refers to the place of voltage and current transformation, receiving electric energy and distributing electric energy in power system, and the transformer substation in power plant is step-up substation, its function is to feed into high-voltage power grid after the voltage of electric energy generated by generator is stepped up, and GIS equipment is a kind of equipment in transformer substation, also called gas insulated switchgear, mainly composed of circuit breaker, disconnecting switch, grounding switch, current transformer, voltage transformer, surge arrester, bus, connecting piece and outgoing terminal, these devices or components are all enclosed in metal ground shell, and a certain pressure SF6 insulation gas is filled in its interior, in order to facilitate the installation of sealing pipeline in the pipeline on GIS equipment, the flange plate at the end of sealing pipeline needs to be installed on the pipeline flange on GIS equipment, according to traditional technical disclosure document CN107813263B, when installing the sealing pipeline, corresponding butt joint auxiliary positioning device needs to be used. Therefore, when installing pipeline flange on GIS equipment, hoisting equipment is mostly used to hoist pipeline flange, and then manual support is carried out on pipeline flange, so that pipeline flange is aligned with pipeline port position on GIS equipment, but this way cannot guarantee the position stability of pipeline flange, and in hoisting transfer process, its rotation amplitude is easy to be too large, which can cause the contact between pipeline flange and construction personnel, and the shaking of pipeline flange also makes it difficult to control the calibration between pipeline flange and GIS equipment pipeline port position, and after pipeline flange and GIS equipment are abutted, but due to the position deviation of pipeline flange in installation process, the installation hole on pipeline flange and the installation hole on GIS equipment are inconsistent, and pipeline flange is large in size, so it is difficult to adjust pipeline flange, so it is difficult to quickly install pipeline flange;

[0003] According to the prior art patent document, such as the authorized announcement number CN119282950A, a substation GIS device pipeline flange butt joint auxiliary positioning device is disclosed, which relates to the related technical field of substation auxiliary installation. The present application comprises a linkage conveying assembly, a positioning assembly, a support plate sliding on the end surface position of the transverse plate, an arc-shaped pressing strip located on both sides of the support plate, and a moving strip fixed at one end of the support plate and connected with the upper end surface of the transverse plate, a rotary fine adjustment assembly, a gas disc located directly above the moving strip, a plurality of suction discs arranged in an array and fixed on the side surface of the gas disc, and a gas cylinder fixed on the other side surface of the gas disc, a size correction assembly, a flange assembly connected with the upper surface of the transverse plate, and a correction plate located between the lifting plate and the transverse plate. The present application is used by linkage cooperation between the compression strip and the arc-shaped pressing strip, so as to facilitate the positioning of the flange assembly, and the linkage strip controls the suction ball to perform vacuum treatment on the suction disc, so that the suction disc and the flange assembly are adsorbed, and the flange assembly can be rotated and fine adjusted;

[0004] The height of the pipeline at different positions is different, and the above-mentioned patent adopts a transverse frame to position and advance the pipeline for butt joint, and the height position cannot be adjusted. For example, if the pipeline is on the ground, it cannot be aligned and positioned from the upper end, and its use is limited and not flexible, and the clamping mechanism adopts a suction assembly, which is too high in cost. Practical new type content

[0005] In view of the problems existing in the prior art, the purpose of the present application is to provide a substation GIS device pipeline flange butt joint auxiliary positioning mechanism, which adopts a fixed hoisting frame structure, can adjust the height of hoisting positioning alignment by a gas cylinder, can flexibly adjust the position, and uses a hydraulic cylinder to drive a clamping plate to clamp the pipeline, and then pushes the pipeline to butt joint, which is convenient to operate and flexible to use, the clamping mechanism is simple and low in cost.

[0006] To solve the above problems, the present application adopts the following technical solutions.

[0007] The utility model provides a kind of GIS equipment pipeline flange butt joint auxiliary positioning mechanism for substation, the inner side surface of the I-shaped bar frame is fixedly connected with support strip, the upper surface of the support strip is fixedly connected with air cylinder, the air cylinder is distributed and is arranged on the upper surface outer end of support strip, the end surface of the push rod of air cylinder is fixedly connected with support foot block, the inner side surface of the I-shaped bar frame is placed with gyro wheel, the outer end of gyro wheel is provided with support frame, the lower surface of support frame is fixed with arch plate, the outer surface of arch plate is fixedly connected with hydraulic cylinder, the end surface of the push rod of hydraulic cylinder is fixedly connected with clamping plate, the inner side surface of clamping plate is provided with triangular projection, the triangular projection is distributed and is arranged on the inner side surface of lower end of clamping plate, adopt fixed hoisting frame structure, can be adjusted hoisting positioning alignment height by air cylinder, can be flexibly adjusted position, and adopt hydraulic cylinder to drive clamping plate to be clamped pipe, then push mobile butt joint, it is convenient to operate and flexible to use, clamping mechanism is simple, and cost is low.

[0008] Further, the upper surface of the arch plate is fixedly connected with a support boss, the inner side surface of the support boss is provided with a threaded groove, and the inner side surface of the support boss is threadedly connected with a threaded extrusion rod.

[0009] Further, the outer surface of the threaded extrusion rod is fixedly connected with a support disc.

[0010] Further, the upper surface of the threaded extrusion rod is aligned with the lower surface of the I-shaped bar frame.

[0011] Further, the support strips are distributed and arranged on the inner end surfaces of the left and right sides of the front and rear ends of the I-shaped bar frame.

[0012] Further, the gyro wheel is connected to the outer surface of the inner side shaft of the support frame through a bearing.

[0013] Further, the four groups of support frames are distributed and arranged on the upper surface of the arch plate, and the gyro wheels are placed on the inner side surfaces of the lower ends of the I-shaped bar frame.

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

[0015] (1) adopt fixed hoisting frame structure, can be adjusted hoisting positioning alignment height by air cylinder, can be flexibly adjusted position, and adopt hydraulic cylinder to drive clamping plate to be clamped pipe, then push mobile butt joint, it is convenient to operate and flexible to use, clamping mechanism is simple, and cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first schematic view of the overall structure of the utility model;

[0017] Figure 2 It is the second schematic view of the overall structure of the utility model;

[0018] Figure 3 It is the whole structure third schematic view of the utility model;

[0019] Figure 4 It is the whole structure fourth schematic view of the utility model;

[0020] Figure 5 It is the whole structure section view of the utility model.

[0021] Mark explanation in the drawing:

[0022] 1 I-beam frame, 2 support bar, 3 cylinder, 4 support foot block, 5 roller, 6 support frame, 7 arch plate, 8 hydraulic cylinder, 9 clamping plate, 10 triangular protrusion, 11 support boss, 12 threaded extrusion rod, 13 support disc. Specific implementation

[0023] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 A kind of GIS equipment pipeline flange butt joint auxiliary positioning mechanism for transformer substation, including I-beam frame 1, the inner side surface of I-beam frame 1 is fixedly connected with support bar 2, the upper surface of support bar 2 is fixedly connected with cylinder 3, cylinder 3 is distributed and is set at the upper surface outer end of support bar 2, the advancing rod end surface of cylinder 3 is fixedly connected with support foot block 4, the inner side surface of I-beam frame 1 is placed with roller 5, the outer end of roller 5 is provided with support frame 6, the lower surface of support frame 6 is fixed with arch plate 7, the outer surface of arch plate 7 is fixedly connected with hydraulic cylinder 8, the advancing rod end surface of hydraulic cylinder 8 is fixedly connected with clamping plate 9, the inner side surface of clamping plate 9 is provided with triangular protrusion 10, triangular protrusion 10 is distributed and is set at the inner side surface of the lower end of clamping plate 9;Fixed hoisting frame structure is adopted, can be adjusted the height of hoisting positioning alignment by cylinder, can be flexibly adjusted position, and clamping plate is driven by hydraulic cylinder and is clamped pipe, then it is moved and is butt jointed by pushing, it is convenient to operate and flexible to use, clamping mechanism is simple, and cost is low;

[0026] The upper surface of arch plate 7 is fixedly connected with support boss 11, the inner side surface of support boss 11 is provided with threaded groove, and the inner side surface of support boss 11 is connected with threaded extrusion rod 12 by screw thread;

[0027] A support plate 13 is fixedly connected to the outer surface of the threaded extrusion rod 12, which facilitates the twisting and rotation of the threaded extrusion rod 12. The upper surface of the threaded extrusion rod 12 is aligned with the lower surface of the I-beam frame 1, and can be aligned and extruded on the lower surface of the I-beam frame 1.

[0028] Support bars 2 are distributed on the inner surfaces of the left and right sides at both ends of the front and rear ends of the I-beam frame 1;

[0029] Roller 5 is connected to the outer surface of the inner round shaft of support frame 6 via bearing;

[0030] Four sets of support frames 6 are distributed on the upper surface of the arched plate 7, and the rollers 5 are placed close to the inner surface of the lower end of the I-beam frame 1; they can be rolled and positioned close to each other.

[0031] When in use, it is placed on the ground through the flange pipe. When lifting, the overall height position can be adjusted by the up and down contraction and advancement of the cylinder 3. It can make the arched plate 7 clamp on the outside of the flange pipe. The hydraulic cylinder 8 drives the clamping plate 9 to squeeze and clamp the flange pipe. The inner surface of the clamping plate 9 is provided with triangular protrusions 10, which are distributed on the lower inner surface of the clamping plate 9. The triangular protrusions 10 can fit against the arc surface of the pipe and can provide support.

[0032] During docking, the overall height is adjusted by cylinder 3 to make the flange pipe and the docking pipe level. The flange pipe and the docking pipe are aligned by pushing the arched plate 7 (rollers 5 are placed on the inner surface of the I-beam frame 1, a support frame 6 is provided at the outer end of the rollers 5, an arched plate 7 is fixed to the lower surface of the support frame 6, a hydraulic cylinder 8 is fixedly connected to the outer surface of the arched plate 7, and a clamping plate 9 is fixedly connected to the end face of the push rod of the hydraulic cylinder 8). The flange pipe can be aligned by rolling the rollers 5. Sometimes, rotational adjustment is required during docking. In this case, simply loosening one clamping plate 9 allows for rotational adjustment of the flange pipe. The upper surface of the arched plate 7 is fixedly connected to a support boss 11, and the inner surface of the support boss 11 is provided with a threaded groove. A threaded pressing rod 12 is threadedly connected to the inner surface of the support boss 11. During use, the threaded pressing plate 12 can be twisted upwards to press and fix it to the lower surface of the I-beam frame 1, positioning the rollers 5. The rollers 5 cannot be moved at this time, making positioning convenient.

[0033] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An auxiliary positioning mechanism for connecting pipe flanges in GIS equipment for substations, comprising an I-beam frame (1), characterized in that: The inner surface of the I-beam frame (1) is fixedly connected to a support bar (2), the upper surface of the support bar (2) is fixedly connected to a cylinder (3), the cylinder (3) is distributed on the outer end of the upper surface of the support bar (2), the end face of the push rod of the cylinder (3) is fixedly connected to a support foot block (4), the inner surface of the I-beam frame (1) is placed with a roller (5), the outer end of the roller (5) is provided with a support frame (6), the lower surface of the support frame (6) is fixedly connected to an arched plate (7), the outer surface of the arched plate (7) is fixedly connected to a hydraulic cylinder (8), the end face of the push rod of the hydraulic cylinder (8) is fixedly connected to a clamping plate (9), the inner surface of the clamping plate (9) is provided with a triangular protrusion (10), the triangular protrusion (10) is distributed on the lower inner surface of the clamping plate (9).

2. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 1, characterized in that: The upper surface of the arched plate (7) is fixedly connected to a support boss (11), and the inner surface of the support boss (11) is provided with a threaded groove. The inner surface of the support boss (11) is connected to a threaded extrusion rod (12) by thread.

3. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 2, characterized in that: A support plate (13) is fixedly connected to the outer surface of the threaded extrusion rod (12).

4. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 2, characterized in that: The upper surface of the threaded extrusion rod (12) is aligned with the lower surface of the I-beam frame (1).

5. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 1, characterized in that: The support bars (2) are distributed on the inner surfaces of the left and right sides of the front and rear ends of the I-beam frame (1).

6. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 1, characterized in that: The roller (5) is connected to the outer surface of the inner circular shaft of the support frame (6) by a bearing.

7. The auxiliary positioning mechanism for pipe flange docking in a substation GIS equipment according to claim 1, characterized in that: The support frame (6) is arranged in four groups on the upper surface of the arch plate (7), and the roller (5) is placed in close contact with the inner surface of the lower end of the I-beam frame (1).

Citation Information

Patent Citations

  • A pipeline flange docking device for oil refining

    CN107813263B

  • GIS equipment pipeline flange butt joint auxiliary positioning device for transformer substation

    CN119282950A