An oil-immersed transformer installation structure

Abstract

The utility model discloses an oil-immersed transformer installation structure, including a ground and columns, the upper surface of the ground is symmetrically provided with columns, the upper surface of the push plate is symmetrically provided with a frame, the push plate is fixedly connected to the frame by bolts, the side walls of the two frames are symmetrically fixedly connected with a fixing structure, the inner side wall of the fixing structure is fixedly connected to the side wall of the column, and the center of the upper surface of the frame is fixedly connected with an oil-immersed transformer. When installing the oil-immersed transformer, a frame is set at the bottom of the transformer, and the bottom of the frame is pushed and raised by a hydraulic cylinder. By pushing and raising the hydraulic cylinder, most of the steps of manually lifting the transformer can be omitted, and the transformer only needs to be fixed to the frame, which greatly simplifies the installation process and improves the safety of construction. It can also be carried out more safely and conveniently by lifting, reducing the difficulty of inspection and maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-immersed transformer installation, and specifically relates to an oil-immersed transformer installation structure. Background Art

[0002] Oil-immersed transformer is an important power equipment, widely used in power, chemical, petroleum, metallurgy, textile and other industrial fields. Its main function is to increase or decrease the voltage from a lower voltage level (such as 10kV or 35kV) to the voltage level required by the user (such as 230V or 400V) to meet the power demand. The application scenarios of oil-immersed transformer are very wide. For example, in the power system, it can be used as a step-up transformer and a step-down transformer to transmit the electricity generated by the power plant to distant users, or to supply the user with electricity after stepping down the voltage. In addition, oil-immersed transformer can also be used in the distribution system as a distribution transformer. In the industrial field, oil-immersed transformer can be used to drive high-power equipment, such as motors, etc. At the same time, it can also be used to provide power supplies of different voltage levels to meet the power needs of various equipment.

[0003] The oil-immersed transformer uses oil as the insulating medium. Through the sealing design, the inside of the transformer is filled with oil, and a steel plate or reinforced concrete structure is used as the outer shell protection. This design makes the transformer have higher insulation and fire resistance, thereby improving the safety and reliability of the equipment. However, during the assembly process, the oil-immersed transformer is not convenient to install due to its weight, and there are also some difficulties in the process of inspection and maintenance. Therefore, we propose an oil-immersed transformer installation structure. Utility Model Content

[0004] The purpose of the utility model is to provide an oil-immersed transformer installation structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil-immersed transformer installation structure, comprising a ground and columns, the upper surface of the ground is symmetrically provided with columns, a base is provided between the inner side walls of the two columns, the lower surface of the base is fixedly connected to the upper surface of the ground, a hydraulic cylinder is fixedly connected to the upper surface of the base, the other end of the hydraulic cylinder is fixedly connected to a push plate, the upper surface of the push plate is symmetrically provided with a frame, the push plate is fixedly connected to the frame by bolts, the side walls of the two frames are symmetrically fixedly connected with a fixing structure, the inner side wall of the fixing structure is fixedly connected to the side wall of the column, and an oil-immersed transformer is fixedly connected to the center of the upper surface of the frame.

[0006] Preferably, a through hole is provided on the outer wall of the column, and the fixing structure includes a semicircular plate and a sleeve rod. The number of the semicircular plates is four, and they are symmetrically arranged on one side. The inner ring walls of the two semicircular plates are in contact with the outer wall of the column, and the semicircular plates are fixedly connected by bolts. The side walls of the semicircular plates are fixedly connected to the side walls of the frame. The outer wall of the frame is sleeved with a sleeve rod, and the side walls of the sleeve rod sequentially pass through the through holes of the semicircular plates and the column, and screw blocks are threadedly connected at both ends of the sleeve rod.

[0007] Preferably, the number of through holes of the column on one side is five, and the number of through holes of the column on the other side is the same, and the through holes of the column are vertically arranged in sequence.

[0008] Preferably, the number of the hydraulic cylinders is four, and they are symmetrically arranged at four corners.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: when installing the oil-immersed transformer, a frame is set at the bottom of the transformer, and the bottom of the frame is pushed and raised by a hydraulic cylinder. By pushing and raising the hydraulic cylinder, most of the steps of manually lifting the transformer can be omitted, and the transformer only needs to be fixed on the frame, which greatly simplifies the installation process and improves the safety of construction. After rising to the installation position, the transformer is fixed to make the installation process easier. At the same time, the hydraulic lifting device has a disassembly function, and can be disassembled after installation to improve convenience. According to different installation requirements, the height of the transformer can be adjusted by replacing the length of the hydraulic cylinder to adapt it to different installation environments, and the installation work can be completed. Some maintenance work that requires entering the inside of the transformer, such as replacing silicon steel sheets, cleaning insulating oil, etc., can also be performed more safely and conveniently through lifting, reducing the difficulty of inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 for Figure 1 A top perspective view of the middle frame;

[0012] Figure 3 for Figure 2 A three-dimensional diagram of the structure of the middle sleeve rod;

[0013] In the figure: 1, ground; 2, column; 3, base; 4, hydraulic cylinder; 5, push plate; 6, frame; 7, fixed structure; 71, semicircular plate; 72, sleeve rod; 73, screw block; 8, oil-immersed transformer. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1-3 The utility model provides an oil-immersed transformer installation structure, including a ground 1 and a column 2, the upper surface of the ground 1 is symmetrically provided with the columns 2, a base 3 is provided between the inner side walls of the two columns 2, the lower surface of the base 3 is fixedly connected to the upper surface of the ground 1, a hydraulic cylinder 4 is fixedly connected to the upper surface of the base 3, a push plate 5 is fixedly connected to the other end of the hydraulic cylinder 4, a frame 6 is symmetrically provided on the upper surface of the push plate 5, the push plate 5 is fixedly connected to the frame 6 by bolts, the side walls of the two frames 6 are symmetrically fixedly connected with a fixing structure 7, the inner side wall of the fixing structure 7 is fixedly connected to the side wall of the column 2, and an oil-immersed transformer 8 is fixedly connected to the center of the upper surface of the frame 6.

[0016] When the oil-immersed transformer 8 is being installed, it is necessary to carefully check the quality and specifications of the transformer, and fix the column 2 to the ground 1 in advance to ensure stability after subsequent installation. The bottom of the hydraulic cylinder 4 is supported by the base 3, and the top is fitted with the push plate 5 and the frame 6, which are fixed by bolts. The frame 6 is then symmetrically arranged on the outer wall of the column 2. After the oil-immersed transformer 8 is connected to the frame 6, it is pushed upward by the hydraulic cylinder 4. When it is moved to the installation position, the frames 6 are fixed by the fixing structure 7, and the frame 6 is fixed to the side wall of the column 2 to complete the overall installation process.

[0017] The outer wall of the column 2 is provided with a through hole, and the fixing structure 7 includes a semicircular plate 71 and a sleeve rod 72. The number of the semicircular plates 71 is four, and they are symmetrically arranged on one side. The inner ring walls of the two semicircular plates 71 fit the outer wall of the column 2, and the semicircular plates 71 are fixedly connected by bolts. The side walls of the semicircular plates 71 are fixedly connected to the side walls of the frame 6. The outer wall of the frame 6 is sleeved with a sleeve rod 72. The side walls of the sleeve rod 72 sequentially penetrate the through holes of the semicircular plates 71 and the column 2, and the two ends of the sleeve rod 72 are threadedly connected with screw blocks 7. 3. When the frame 6 is lifted by the hydraulic cylinder 4, the single-side semicircular plate 71 is symmetrically arranged. The semicircular plate 71 is first fixed, but not completely tightened. The symmetrical semicircular plate 71 does not affect the push of the hydraulic cylinder 4. When it is lifted to the installation position, the bolts on the outside of the semicircular plate 71 are tightened and fixed, and then the sleeve rod 72 passes through the frame 6 and the semicircular plate 71, and the center passes through the column 2, and then the screw block 73 is threadedly connected to the sleeve rod 72 to strengthen the fixation of the semicircular plate 71 and make the overall fixation more firm.

[0018] The number of through holes of the single-side column 2 is five, and the number of through holes of the other-side column 2 is the same, and the through holes of the column 2 are vertically arranged in sequence.

[0019] There are four hydraulic cylinders 4, which are symmetrically arranged at four corners.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil-immersed transformer installation structure, characterized in that: The invention comprises a ground (1) and a column (2), wherein the upper surface of the ground (1) is symmetrically provided with columns (2), a base (3) is provided between the inner side walls of the two columns (2), the lower surface of the base (3) is fixedly connected to the upper surface of the ground (1), the upper surface of the base (3) is fixedly connected to a hydraulic cylinder (4), the other end of the hydraulic cylinder (4) is fixedly connected to a push plate (5), the upper surface of the push plate (5) is symmetrically provided with a frame (6), the push plate (5) is fixedly connected to the frame (6) by bolts, the side walls of the two frames (6) are symmetrically fixedly connected with a fixing structure (7), the inner side wall of the fixing structure (7) is fixedly connected to the side wall of the column (2), and an oil-immersed transformer (8) is fixedly connected to the center of the upper surface of the frame (6).

2. The oil-immersed transformer installation structure according to claim 1, characterized in that: The outer wall of the column (2) is provided with a through hole, and the fixing structure (7) comprises a semicircular plate (71) and a sleeve rod (72). The number of the semicircular plates (71) is four, and they are symmetrically arranged on one side. The inner ring walls of the two semicircular plates (71) fit the outer wall of the column (2), and the semicircular plates (71) are fixedly connected by bolts. The side walls of the semicircular plates (71) are fixedly connected to the side walls of the frame (6). The outer wall of the frame (6) is sleeved with a sleeve rod (72), and the side walls of the sleeve rod (72) sequentially penetrate the through holes of the semicircular plates (71) and the column (2), and screw blocks (73) are threadedly connected at both ends of the sleeve rod (72).

3. The oil-immersed transformer installation structure according to claim 1, characterized in that: The number of through holes of the column (2) on one side is five, and the number of through holes of the column (2) on the other side is the same, and the through holes of the column (2) are arranged vertically in sequence.

4. The oil-immersed transformer installation structure according to claim 1, characterized in that: The number of the hydraulic cylinders (4) is four and they are symmetrically arranged at four corners.

Images