Disassembly-free tool for oil guide pipe of pressure relief valve
By designing the tooling bent plate and rotating block connection structure in the transformer, the problem of unstable oil drain pipe connection during transformer disassembly was solved, safe and reliable transportation and simplified installation were achieved, and costs were reduced.
Patent Information
- Application Number
- CN202422746759.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In the existing technology, after the transformer pressure relief valve is disassembled, the oil drain pipe is only connected to the oil tank by bolts relying on its own fixing plate, which poses a safety risk. In addition, the paint film of the oil drain pipe is easily damaged during the disassembly and transportation process, which increases the complexity and cost of the work.
A disassembly-free tooling for the oil guide pipe of the pressure relief valve is designed. A tooling bent plate is set between the oil tank connecting pipe port and the oil drain pipe connecting pipe port, and the tooling bent plate and the oil drain pipe's own fixing plate are used to form a two-point fixation. Combined with the design of the rotating block and connecting rod, a reliable connection between the oil drain pipe and the oil tank is achieved, reducing shaking and avoiding damage.
It improves the safety of the transformer disassembly process, reduces the risk of damage to the oil drain pipe during transportation, simplifies the installation process and reduces costs.
Smart Images
Figure CN223436415U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer manufacturing technical field especially relates to a pressure relief valve oil guide pipe disassembly free tool. BACKGROUND
[0002] Transformer manufacturing belongs to electric power equipment manufacturing industry, is an important branch in electrical machinery and equipment manufacturing industry, is specially responsible for manufacturing transformer this key electric power equipment, and transformer is the device that utilizes electromagnetic induction principle to change alternating voltage, and main component includes primary coil, secondary coil and core, and the main function of transformer includes voltage transformation, current transformation, impedance transformation, isolation and voltage stabilization etc., these functions make transformer have irreplaceable effect in power system, can ensure the economic transmission, reasonable distribution and safe use of electric energy.
[0003] But in prior art, in the existing transformer unsealing process, when the pressure relief valve is disassembled, the oil drain pipe is usually connected with the oil tank through the bolt of its own fixing plate, this single connection mode has certain safety risk, secondly, the paint film of the oil drain pipe is easily damaged in the disassembly and transportation process, in addition, the oil drain pipe needs to be packaged separately and installed after reaching the customer site, which increases the work complexity and potential cost. UTILITY MODEL CONTENTS
[0004] The utility model discloses a pressure relief valve oil guide pipe disassembly free tool, which can solve the problems of the prior art, such as the single connection mode of the oil drain pipe and the oil tank, the damage of the paint film of the oil drain pipe during the disassembly and transportation process, and the separate packaging and installation of the oil drain pipe after reaching the customer site.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: including the oil tank main part, the oil tank main part top face is provided with the oil tank joint pipe mouth, the oil tank main part one side is provided with the oil drain pipe main part, the oil drain pipe main part near the oil tank joint pipe mouth one end is provided with the oil drain pipe joint pipe mouth, the oil tank joint pipe mouth with the oil drain pipe joint pipe mouth between being equipped with the tool bending plate, the tool bending plate both ends are fixed with the oil tank joint pipe mouth and the oil drain pipe joint pipe mouth through the bolt, the oil drain pipe main part outside face lower fixed with the second fixed plate, the oil tank main part near the second fixed plate one side is fixed with the first fixed plate, the first fixed plate with the second fixed plate are fixedly connected through another bolt.
[0006] Preferably, the second fixed plate is provided with a rotating block above, the rotating block is fixedly connected with the oil discharge pipe body, a connecting rod is arranged in the rotating block, one end of the connecting rod is rotationally connected with the rotating block, a sliding plate is fixed to one end of the oil tank body close to the rotating block, the other end of the connecting rod slides in the sliding plate, and a second control knob is threadedly connected to one end of the connecting rod close to the sliding plate.
[0007] Preferably, the tool bending plate is fixed with an outer supporting plate at the bottom end, the outer supporting plate is slidably connected with an inner supporting plate inside, a lead screw is rotationally connected inside the tool bending plate, and the lead screw is threadedly connected with the inner supporting plate inside at the lower portion.
[0008] Preferably, the tool bending plate is provided with two fixed holes at both ends respectively, the fixed holes correspond to the positions of the flange holes on the oil tank connecting pipe and the oil discharge pipe connecting pipe, and the number of the fixed holes at both ends of the tool bending plate is two.
[0009] Preferably, the end of the connecting rod close to the sliding plate is provided with a circular sliding block, and the sliding plate is provided with a sliding groove matched with the shape of the circular sliding block of the connecting rod.
[0010] Preferably, the length of the outer supporting plate is greater than that of the inner supporting plate, a threaded groove matched with the shape of the lead screw is formed in the inner supporting plate, and the length of the threaded groove is the same as that of the thread on the lead screw.
[0011] Compared with the prior art, the utility model has the advantages and positive effects that:
[0012] 1、the tool bending plate is arranged between the oil tank connecting pipe and the oil discharge pipe connecting pipe, the tool bending plate can replace the original pressure release valve, reliable connection of the oil discharge pipe and the connecting flange on the top of the oil tank in the disassembling process is realized, two-point fixation is formed through the tool bending plate and the fixed plate of the oil discharge pipe, and the problems that in the prior art, after the pressure release valve of the transformer is disassembled, the oil discharge pipe usually only relies on the fixed plate thereof to be connected with the oil tank through bolts, the single connecting mode has certain safety risk, in the disassembling and transporting process, the paint film of the oil discharge pipe is easily damaged, in addition, the oil discharge pipe needs to be separately packaged and installed after reaching the customer site, and the working complexity and potential cost problems are increased.
[0013] 2. The utility model discloses a rotatable block is set up on the oil discharge pipe main body, and the connecting rod one end is rotated with rotatable block connection, simultaneously setting up the sliding plate on the oil tank main body one side, with the connecting rod other end sliding in the sliding plate, and the second control knob is screwed on the connecting rod other end, and the oil tank main body is transported through the second control knob of tightening, with the connecting rod and the sliding plate between limiting, thereby with the oil tank main body in the transportation process reducing the shaking of oil discharge pipe main body, avoid the oil discharge pipe main body damage condition of taking place because of the shaking in the transportation process. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A three-dimensional structure schematic diagram of the tool is provided for the utility model;
[0015] Figure 2 A three-dimensional structure schematic diagram of the tool is provided for the utility model;
[0016] Figure 3 A three-dimensional structure schematic diagram of the tool is provided for the utility model;
[0017] Figure 4 A three-dimensional structure schematic diagram of the tool is provided for the utility model.
[0018] Legend: 1, oil tank main body, 2, oil tank joint pipe, 3, oil discharge pipe main body, 4, oil discharge pipe joint pipe, 5, tool bending plate, 6, first fixed plate, 7, second fixed plate, 8, outer support plate, 9, inner support plate, 10, screw rod, 11, threaded groove, 12, first control knob, 13, rotatable block, 14, sliding plate, 15, connecting rod, 16, second control knob. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.
[0020] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.
[0021] Example one
[0022] As Figures 1-4As shown, the utility model provides a tool for the oil guide pipe of a pressure relief valve that does not require disassembly, including a fuel tank body 1, a fuel tank connecting pipe port 2 is provided on the top surface of the fuel tank body 1, a drain pipe body 3 is provided on one side of the fuel tank body 1, and an oil drain pipe connecting pipe port 4 is provided at one end of the drain pipe body 3 close to the fuel tank connecting pipe port 2, a tooling bent plate 5 is provided between the fuel tank connecting pipe port 2 and the oil drain pipe connecting pipe port 4, and both ends of the tooling bent plate 5 are respectively fixed to the fuel tank connecting pipe port 2 and the oil drain pipe connecting pipe port 4 by bolts, and a second fixed plate is fixed to the lower outer side of the drain pipe body 3 Fixed plate 7, a first fixing plate 6 is fixed to one side of the oil tank body 1 close to the second fixing plate 7, the first fixing plate 6 and the second fixing plate 7 are fixedly connected by another bolt, an outer support plate 8 is fixed to the bottom end of the tooling bent plate 5, an inner support plate 9 is slidably connected to the inner side of the outer support plate 8, a screw rod 10 is rotatably connected to the inner side of the inner support plate 9, and a first control knob 12 is fixed to the top surface of the oil tank body 1, so that the oil tank body 1 and the oil drain pipe body 3 are fixed through the tooling bent plate 5.
[0023] The following is a detailed description of the specific settings and functions of this embodiment: fixing holes corresponding to the positions of the flange holes on the oil tank connecting pipe port 2 and the oil drain pipe connecting pipe port 4 are respectively provided at both ends of the tooling bent plate 5. The number of fixing holes at both ends of the tooling bent plate 5 is two, the length of the outer support plate 8 is greater than the length of the inner support plate 9, and a thread groove 11 that matches the shape of the screw rod 10 is provided inside the inner support plate 9. The length of the thread groove 11 is the same as the length of the thread on the screw rod 10, which improves the stability of the fixation between the oil tank body 1 and the oil drain pipe body 3.
[0024] Example 2
[0025] like Figures 1-4 As shown, a rotating block 13 is provided above the second fixed plate 7, and the rotating block 13 is fixedly connected to the oil drain pipe body 3. A connecting rod 15 is provided inside the rotating block 13, and one end of the connecting rod 15 is rotatably connected to the rotating block 13. A sliding plate 14 is fixed to the end of the fuel tank body 1 close to the rotating block 13, and the other end of the connecting rod 15 slides inside the sliding plate 14. A second control knob 16 is threadedly connected to the end of the connecting rod 15 close to the sliding plate 14, which improves the stability of the fuel tank body 1 and the oil drain pipe body 3 during mobile transportation.
[0026] The effect achieved by the entire embodiment is that a circular slider is provided at one end of the connecting rod 15 close to the sliding plate 14, and a sliding groove that matches the shape of the circular slider of the connecting rod 15 is opened on the side of the sliding plate 14, so that the distance position between the oil tank body 1 and the oil drain pipe body 3 can be adjusted.
[0027] The method for using and working principle of the device: when the pressure release valve between the oil tank connecting port 2 and the oil discharge pipe connecting port 4 needs to be disassembled, the first fixed plate 6 and the second fixed plate 7 are fixed by bolts, and one end of the second control knob 16 is threadedly connected to the inside of the connecting rod 15, and the connecting rod 15 is fixed in the second control knob 16 by rotating the second control knob 16, at this time the pressure release valve can be disassembled, after disassembly, the tool bending plate 5 is placed between the oil tank connecting port 2 and the oil discharge pipe connecting port 4, and the tool bending plate 5 is fixed at both ends by bolts, and after fixing, the first control knob 12 is rotated to drive the screw rod 10 to rotate, and the screw rod 10 drives the inner support plate 9 to move, so that the inner support plate 9 slides in the screw rod 10, when the inner support plate 9 moves to the top surface of the oil tank body 1, the outer support plate 8 and the inner support plate 9 support and fix the tool bending plate 5 and limit the position.
[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A tool for a pressure relief valve oil guide pipe that does not require disassembly, comprising a fuel tank body (1), a fuel tank connecting pipe opening (2) provided on the top surface of the fuel tank body (1), a drain pipe body (3) provided on one side of the fuel tank body (1), and a drain pipe connecting pipe opening (4) provided at one end of the drain pipe body (3) close to the fuel tank connecting pipe opening (2), characterized in that: A tooling bent plate (5) is provided between the oil tank connecting pipe port (2) and the oil drain pipe connecting pipe port (4), and both ends of the tooling bent plate (5) are fixed to the oil tank connecting pipe port (2) and the oil drain pipe connecting pipe port (4) respectively by bolts. A second fixing plate (7) is fixed below the outer side surface of the oil drain pipe body (3), and a first fixing plate (6) is fixed on a side of the oil tank body (1) close to the second fixing plate (7). The first fixing plate (6) and the second fixing plate (7) are fixedly connected by another bolt.
2. The tooling for the oil guide pipe of a pressure relief valve that does not require disassembly according to claim 1, characterized in that: A rotating block (13) is provided above the second fixed plate (7), the rotating block (13) is fixedly connected to the oil drain pipe body (3), a connecting rod (15) is provided inside the rotating block (13), one end of the connecting rod (15) is rotatably connected to the rotating block (13), a sliding plate (14) is fixed to one end of the oil tank body (1) close to the rotating block (13), the other end of the connecting rod (15) slides inside the sliding plate (14), and a second control knob (16) is threadedly connected to one end of the connecting rod (15) close to the sliding plate (14).
3. The tooling for the oil guide pipe of a pressure relief valve that does not require disassembly according to claim 1, characterized in that: An outer support plate (8) is fixed to the bottom end of the tooling bent plate (5), an inner support plate (9) is slidably connected to the inside of the outer support plate (8), a screw rod (10) is rotatably connected to the inside of the tooling bent plate (5), and the bottom of the screw rod (10) is threadedly connected to the inside of the inner support plate (9), and a first control knob (12) is fixed to the top surface of the oil tank body (1).
4. The tooling for the oil pipe of a pressure relief valve that does not require disassembly according to claim 1, characterized in that: The two ends of the tooling bent plate (5) are respectively provided with fixing holes corresponding to the positions of the flange holes on the oil tank connecting pipe port (2) and the oil drain pipe connecting pipe port (4), and the number of the fixing holes at both ends of the tooling bent plate (5) is two.
5. The tooling for the oil pipe of a pressure relief valve that does not require disassembly according to claim 2, characterized in that: A circular slider is provided at one end of the connecting rod (15) close to the sliding plate (14), and a sliding groove that matches the shape of the circular slider of the connecting rod (15) is provided on the side of the sliding plate (14).
6. The tooling for the oil guide pipe of a pressure relief valve that does not require disassembly according to claim 3, characterized in that: The length of the outer support plate (8) is greater than that of the inner support plate (9); a thread groove (11) matching the shape of the screw rod (10) is provided inside the inner support plate (9); the length of the thread groove (11) is the same as the length of the thread on the screw rod (10).