CN221376953U - Pressing tool suitable for rubber-impregnated fiber type transformer bushing - Google Patents
Pressing tool suitable for rubber-impregnated fiber type transformer bushing Download PDFInfo
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- CN221376953U CN221376953U CN202420075587.1U CN202420075587U CN221376953U CN 221376953 U CN221376953 U CN 221376953U CN 202420075587 U CN202420075587 U CN 202420075587U CN 221376953 U CN221376953 U CN 221376953U
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- pressing
- fixedly connected
- bushing
- connecting disc
- pressing tool
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- 239000000835 fiber Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 abstract description 18
- 238000001514 detection method Methods 0.000 abstract description 2
- 210000003437 trachea Anatomy 0.000 abstract 2
- 239000003292 glue Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a pressing tool suitable for a rubber-impregnated fiber type transformer bushing, and relates to the field of test detection devices. This frock is suppressed to fiber transformer sleeve pipe suitable for glue is including suppressing the bucket, suppresses fixedly connected with connection pad and connecting seat on the bucket, fixedly connected with three way connection on the connecting seat, and fixedly connected with manometer and pneumatic valve respectively on two joints of three way connection, pneumatic valve are connected with the trachea, and the trachea other end is connected with the air pump. The top of connection pad is equipped with the sealing washer that is used for to sleeve pipe flange joint, and the top of connection pad is equipped with the multiunit clamp plate that is used for carrying out the centre gripping to the sleeve pipe flange. The pressing tool for the rubber-impregnated fiber type transformer bushing can be suitable for tightness tests of bushings of various sizes, enhances reliability of tightness tests, saves cost and reduces specifications of the pressing tool. The device has the advantages of simple structure, reasonable design, simple operation and strong practicability.
Description
Technical Field
The utility model relates to the technical field of test detection devices, in particular to a pressing tool for a rubber-impregnated fiber type transformer bushing.
Background
At present, when the rubber impregnated fiber type transformer bushing is subjected to factory test, a tightness test is needed, namely, after the bushing and a transformer bushing body are installed, the integral air tightness of the bushing is ensured to be reliable, and transformer oil cannot be leaked.
According to the requirement, the pressing devices of the casing manufacturers are pressing tools manufactured by simulating actual running conditions, namely, the sealing performance of the casing is tested through transformer oil pressure. The bushing pressing tool is suitable for the bushing pressing tool of the rubber-impregnated fiber type transformer, and solves the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the pressing tool suitable for the rubber-impregnated fiber type transformer bushing, which can be suitable for the tightness test of bushings with various sizes, enhance the reliability of the tightness test, save the cost and reduce the specification of the pressing tool. The device has the advantages of simple structure, reasonable design, simple operation and strong practicability.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the pressing tool suitable for the rubber-impregnated fiber type transformer bushing comprises a pressing barrel, wherein a connecting disc and a connecting seat are fixedly connected to the pressing barrel;
The connecting seat is fixedly connected with a three-way joint, two joints of the three-way joint are respectively fixedly connected with a pressure gauge and an air pressure valve, the air pressure valve is connected with an air pipe, and the other end of the air pipe is connected with an air pump;
a sealing ring for clamping the sleeve flange is arranged at the top of the connecting disc;
The top of the connecting disc is provided with a plurality of groups of pressing plates for clamping the sleeve flange;
the pressing plate is fixed with the connecting disc through a pressing bolt.
Preferably, the bottom of the pressing barrel is fixedly connected with a bottom fixing bracket.
Preferably, the pressure plate is fixedly connected with a protection cushion block.
Preferably, the pressure plate is designed to be provided with an adjusting long hole, and the adjusting long hole and the compression bolt are used for flexibly adjusting the pressure plate compression joint range according to the outer diameter size of the sleeve flange.
Preferably, the compression bolt is used with the clamp plate in a combined way, one group of bolts are arranged on one side of the clamp plate, one group of bolts are arranged at the position of the long hole of the clamp plate, the two groups of bolts are fastened simultaneously, and the sleeve flange is fastened through the lever principle.
Preferably, a sealing groove is formed in the connecting disc, and the sealing ring is installed by the sealing groove.
The utility model discloses a pressing tool for a rubber-impregnated fiber type transformer bushing, which has the following beneficial effects:
The pressing tool for the rubber-impregnated fiber transformer bushing is suitable for 1. The pressing range of the pressing plate is controlled through the adjusting long hole on the pressing plate, so that the pressing tool can be simultaneously suitable for sealing tests of bushings with various sizes, and the specification of the pressing tool is reduced;
2. The oil pressure is replaced by air pressure, so that the cost is reduced, and the environment is protected; the air is used for replacing transformer oil, and the sealing test result is more reliable;
3. Through the tee joint, a plurality of pressing tools of the utility model can be connected in series, so that a plurality of sleeves can be subjected to tightness test simultaneously, and the production efficiency is improved;
4. The sleeve flange is fastened through the compression bolt on the fastening pressing plate, so that the sleeve flange is convenient to detach and install, the time is saved, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. pressing the barrel; 2. a connecting disc; 3. a pressing plate; 4. protecting the cushion block; 5. a connecting seat; 6. a three-way joint; 7. an air pressure valve; 8. a pressure gauge; 9. a compression bolt; 10. a seal ring; 11. a bottom fixing bracket; 12. and a sleeve flange.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the application solves the problems that the traditional glue-immersed fiber type transformer bushing pressing tool is inconvenient to realize sealing tests on bushings with different sizes, so that the pressing tool has multiple specifications and the sealing performance of the bushing is high in cost when transformer oil pressure is used for testing the bushing.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the utility model discloses a pressing tool suitable for a rubber-impregnated fiber type transformer bushing, which comprises a pressing barrel 1 according to the drawing 1, wherein a connecting disc 2 and a connecting seat 5 are fixedly connected to the pressing barrel 1;
the connecting seat 5 is fixedly connected with a three-way joint 6, two joints of the three-way joint 6 are respectively fixedly connected with a pressure gauge 8 and an air pressure valve 7, the air pressure valve 7 is connected with an air pipe, and the other end of the air pipe is connected with an air pump;
the top of the connecting disc 2 is provided with a sealing ring 10 for clamping a sleeve flange 12;
the top of the connecting disc 2 is provided with a plurality of groups of pressing plates 3 for clamping the sleeve flange 12;
the pressing plate 3 is fixed with the connecting disc 2 through a pressing bolt 9.
Specifically, the bottom of the pressing barrel 1 is fixedly connected with a bottom fixing bracket 11, and the bottom fixing bracket 11 provides bottom support for the pressing barrel 1.
Further, the pressing plate 3 is fixedly connected with a protection cushion block 4, and the protection cushion block 4 is arranged to protect the contact position of the sleeve flange 12 during clamping.
Furthermore, the pressure plate 3 is designed to be provided with an adjusting long hole, and the adjusting long hole and the compression bolt 9 realize flexible adjustment of the pressure connection range of the pressure plate 3 according to the outer diameter size of the sleeve flange 12.
The compression bolt 9 is used with the clamp plate 3 in a combined mode, one group of bolts are arranged on one side of the clamp plate 3, one group of bolts are arranged at the position of the long hole regulated by the clamp plate 3, the two groups of bolts are fastened simultaneously, and the sleeve flange 12 is fastened through the lever principle.
Further, the connection plate 2 is provided with a sealing groove, and the sealing ring 10 is mounted by the sealing groove.
The pressing tool for the rubber-impregnated fiber transformer bushing is characterized in that a connecting disc 2, a connecting seat 5, a bottom fixing support 11 and a pressing barrel 1 are welded together. The connecting disc 2 is provided with a sealing groove and holes are drilled at proper positions of the four extending mounting plates; the connecting seat 5 is internally provided with a thread fastener, the thread fastener is a through fastener, and penetrates through the pressing barrel 1;
The three-way joint 6 is connected through threads, is arranged on the connecting seat 5, and is used for assembling the air pressure valve 7, the pressure gauge 8 and the three-way joint 6 together, the other end of the three-way joint 6 is connected with an air pipe, and the other end of the air pipe is connected with an air pump;
the pressing plate 3 is connected with the protection cushion block 4, and the sealing ring 10 is arranged on the sealing groove of the connecting disc 2;
Four sets of assembled pressing plates 3 and protective cushion blocks 4 are assembled with the connecting disc 2 through four sets of pressing bolts;
placing a sleeve flange 12 on the connecting disc 2, adjusting the compression joint range of the pressing plate 3 according to the size of the sleeve flange 12, fastening by a compression bolt 9, fixing the sleeve flange 12, and compressing the sealing ring 10;
the air pressure valve 7 is opened, air pressure is injected through the air pump, the required pressure value is adjusted according to the value displayed by the pressure gauge 8, finally the air pressure valve 7 is closed, the pressure is maintained, and the tightness test is carried out.
The utility model discloses press frock replaces the oil pressure through atmospheric pressure, carries out the leakproofness test to the sleeve pipe, easy operation, cost-saving, environmental protection.
The pressing tool for the rubber-impregnated fiber type transformer bushing has the following advantages:
1. The compression joint range of the pressing plate 3 is controlled through the adjusting long holes on the pressing plate 3, so that the pressing plate can be simultaneously suitable for sealing tests of multiple sleeves with different sizes, and the specifications of pressing tools are reduced;
2. The oil pressure is replaced by air pressure, so that the cost is reduced, and the environment is protected; the air is used for replacing transformer oil, and the sealing test result is more reliable;
3. Through the tee joint 6, a plurality of pressing tools of the utility model can be connected in series, so that a plurality of sleeves can be subjected to tightness test simultaneously, and the production efficiency is improved;
4. The sleeve flange 12 is fastened through the compression bolt 9 on the fastening pressing plate 3, so that the sleeve flange is convenient to disassemble and install, the time is saved, and the production efficiency is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Tool equipment is suppressed to be applicable to glued fiber type transformer sleeve pipe, including suppressing bucket (1), its characterized in that: the pressing barrel (1) is fixedly connected with a connecting disc (2) and a connecting seat (5);
The three-way connector (6) is fixedly connected to the connecting seat (5), the pressure gauge (8) and the air pressure valve (7) are respectively and fixedly connected to the two connectors of the three-way connector (6), the air pressure valve (7) is connected with the air pipe, and the other end of the air pipe is connected with the air pump;
A sealing ring (10) for clamping the sleeve flange (12) is arranged at the top of the connecting disc (2);
The top of the connecting disc (2) is provided with a plurality of groups of pressing plates (3) for clamping the sleeve flange (12);
The pressing plate (3) is fixed with the connecting disc (2) through a pressing bolt (9).
2. The tooling for pressing a bushing of a fiber-impregnated transformer according to claim 1, wherein: the bottom of the pressing barrel (1) is fixedly connected with a bottom fixing bracket (11).
3. The tooling for pressing a bushing of a fiber-impregnated transformer according to claim 1, wherein: and the pressure plate (3) is fixedly connected with a protection cushion block (4).
4. The tooling for pressing a bushing of a fiber-impregnated transformer according to claim 1, wherein: the pressing plate (3) is designed to be provided with an adjusting long hole, and the adjusting long hole and the pressing bolt (9) are used for flexibly adjusting the pressing range of the pressing plate (3) according to the outer diameter size of the sleeve flange (12) disc.
5. The tooling for pressing the bushing of the rubber-impregnated fiber transformer as claimed in claim 4, wherein: the pressing bolt (9) is combined with the pressing plate (3), one group of bolts are arranged on one side of the pressing plate (3), the other group of bolts are arranged at the position of the adjusting slot hole of the pressing plate (3), the two groups of bolts are fastened simultaneously, and the sleeve flange (12) is fastened through the lever principle.
6. The tooling for pressing a bushing of a fiber-impregnated transformer according to claim 1, wherein: a sealing groove is formed in the connecting disc (2), and a sealing ring (10) is installed by using the sealing groove of the connecting disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420075587.1U CN221376953U (en) | 2024-01-12 | 2024-01-12 | Pressing tool suitable for rubber-impregnated fiber type transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420075587.1U CN221376953U (en) | 2024-01-12 | 2024-01-12 | Pressing tool suitable for rubber-impregnated fiber type transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221376953U true CN221376953U (en) | 2024-07-19 |
Family
ID=91862815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420075587.1U Active CN221376953U (en) | 2024-01-12 | 2024-01-12 | Pressing tool suitable for rubber-impregnated fiber type transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221376953U (en) |
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2024
- 2024-01-12 CN CN202420075587.1U patent/CN221376953U/en active Active
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