CN204834273U - Transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware - Google Patents
Transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware Download PDFInfo
- Publication number
- CN204834273U CN204834273U CN201520642048.2U CN201520642048U CN204834273U CN 204834273 U CN204834273 U CN 204834273U CN 201520642048 U CN201520642048 U CN 201520642048U CN 204834273 U CN204834273 U CN 204834273U
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- CN
- China
- Prior art keywords
- bolt hole
- hydroecium
- tube plate
- outer tube
- tube sheet
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- Expired - Fee Related
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Abstract
The utility model provides a transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware, belongs to power transformer's cooling device technical field, including barrel, interior tube sheet, outer tube sheet, cooling tube outer tube, cooling tube inner tube, hydroecium, barrel and interior tube sheet fixed connection, and with outer tube sheet fixed connection in the cooling tube outer tube and interior tube sheet fixed connection, cooling tube, interior tube sheet be provided with first bolt hole, outer tube sheet is provided with the second bolt hole in the position that corresponds first bolt hole, the position that the hydroecium is corresponding first bolt hole is provided with the third bolt hole, is provided with connecting bolt in first bolt hole, second bolt hole, the third bolt hole, the second bolt hole includes unthreaded hole and screw hole, threaded hole is provided with the internal thread with connecting bolt matching the external screw, the utility model discloses making and carrying out the cooling tube when examining and repairing dismantling the hydroecium, the tube sheet holding position is motionless, when guaranteeing that the hydroecium can freedom disassembly, has also guaranteed tube sheet and cooling tube leakproofness.
Description
Technical field
The utility model belongs to the cooling device technical field of power transformer, is specifically related to a kind of transformer forced oil circulation water-cooling but tube sheet of device and hydroecium mounting structure.
Background technology
Double-pipe type water cooler has the features such as safety, efficient, low noise and occupation of land space be little, the favor of extremely domestic power transmission and transformation industry always.A complete Double-pipe type water cooler needs pipe, outer tube plate, internal tube plate and hydroecium in cooling water pipe outer tube, cooling water pipe to fit together, internal tube plate and cooling water pipe outer tube expanded joint seal, internal tube plate and barrel soldering are fixed, can not movement be produced between internal tube plate and cylindrical shell, ensure that the expanded joint sealing property of cooling water pipe outer tube and internal tube plate; Manage and also want expanded joint to seal in outer tube plate and cooling, only guaranteed outer tube plate does not move, and guarantee cooling water pipe is interior manages and the sealing of outer tube plate expanded joint position, otherwise occurs cooling water leak case, brings hidden danger to the safe operation of transformer.
The end of the hydroecium of a lot of producer adds end cap now, hydroecium is tightened together by long bolt with tube sheet, just no longer easy removal after installation, end cap generally by dismantling hydroecium clears up hydroecium inside, but there is wretched insufficiency in the structure of this hydroecium, need to increase sealing gasket because increasing end cap, increase the risk of leakage, when hydroecium go wrong need dismantle hydroecium time, because tube sheet all adopts unthreaded hole to be connected with screw rod, dismounting may seal the expanded joint of tube sheet and cooling water pipe and have an impact, make to reveal probability to strengthen, hidden danger is brought to the safe operation of transformer, so need a kind of transformer forced oil circulation water-cooling but tube sheet of device and hydroecium mounting structure badly, can while guarantee tube sheet and cooling water pipe sealing, can also ensure that hydroecium can freely be dismantled, to overhaul the tube sheet of cooling water pipe stopping state and the mounting structure of hydroecium.
Utility model content
The utility model is in order to solve existing Double-pipe type water cooler, easily be moved at hydroecium outer tube plate when dismantling, the expanded joint sealing of tube sheet and cooling water pipe is caused to decline, cause the hidden danger that cooling water is revealed, provide a kind of transformer forced oil circulation water-cooling but tube sheet of device and hydroecium mounting structure, while guarantee tube sheet and cooling water pipe sealing, can also ensure that hydroecium can freely be dismantled.
The concrete technical scheme that the utility model adopts is:
A kind of transformer forced oil circulation water-cooling is the tube sheet of device and hydroecium mounting structure but, comprise cylindrical shell, internal tube plate, outer tube plate, cooling water pipe outer tube, pipe in cooling water pipe, hydroecium, cylindrical shell is fixedly connected with internal tube plate, cooling water pipe outer tube is fixedly connected with internal tube plate, in cooling water pipe, pipe is fixedly connected with outer tube plate, described internal tube plate is provided with the first bolt hole, outer tube plate is provided with the second bolt hole in the position of corresponding first bolt hole, hydroecium is provided with the 3rd bolt hole in the position of corresponding first bolt hole, first bolt hole, second bolt hole, connecting bolt is provided with in 3rd bolt hole, connecting bolt nut contacts with internal tube plate lower surface, connecting bolt end is provided with clamp nut, second bolt hole comprises unthreaded hole and screwed hole, the internal thread coordinated with connecting bolt external screw thread is provided with in screwed hole, first bolt hole and the 3rd bolt hole are all unthreaded hole.
The connected mode that cylindrical shell and internal tube plate are fixedly connected with is for welding.
The connected mode that cooling water pipe outer tube is fixedly connected with internal tube plate, the interior pipe of cooling water pipe is fixedly connected with outer tube plate is all expanded joint.
Connecting bolt is screw bolt.
Asbestos pad is provided with between internal tube plate and outer tube plate.
The quantity of the screwed hole that the second described bolt hole comprises is at least two.
The beneficial effects of the utility model are:
The utility model, the screwed hole adopting the second bolt hole being provided with internal thread at outer tube plate to comprise is formed with connecting bolt when mounted and is threaded, outer tube plate is fixedly connected with cylindrical shell, make outer tube plate holding position motionless, the 3rd bolt hole on hydroecium is set to unthreaded hole, ensure that hydroecium can freely be dismantled, avoid the movement causing outer tube plate, ensure that the sealing between tube sheet and cooling water pipe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In accompanying drawing, 1, cylindrical shell, 2, internal tube plate, 3, outer tube plate, 4, cooling water pipe outer tube, 5, pipe in cooling water pipe, 6, hydroecium, the 7, first bolt hole, the 8, second bolt hole, the 9, the 3rd bolt hole, 10, connecting bolt, 11, clamp nut, 12, asbestos pad.
Embodiment
A kind of transformer forced oil circulation water-cooling is the tube sheet of device and hydroecium mounting structure but, comprise cylindrical shell 1, internal tube plate 2, outer tube plate 3, cooling water pipe outer tube 4, pipe 5 in cooling water pipe, hydroecium 6, cylindrical shell 1 is fixedly connected with internal tube plate 2, cooling water pipe outer tube 4 is fixedly connected with internal tube plate 2, in cooling water pipe, pipe 5 is fixedly connected with outer tube plate 3, described internal tube plate 2 is provided with the first bolt hole 7, outer tube plate 3 is provided with the second bolt hole 8 in the position of corresponding first bolt hole 7, hydroecium 6 is provided with the 3rd bolt hole 9 in the position of corresponding first bolt hole 7, first bolt hole 7, second bolt hole 8, connecting bolt 10 is provided with in 3rd bolt hole 9, connecting bolt 10 nut contacts with internal tube plate 2 lower surface, connecting bolt 10 end is provided with clamp nut 11, second bolt hole 8 comprises unthreaded hole and screwed hole, the internal thread coordinated with connecting bolt 10 external screw thread is provided with in screwed hole, first bolt hole 7 and the 3rd bolt hole 9 are all unthreaded hole.
The connected mode that cylindrical shell 1 and internal tube plate 2 are fixedly connected with is for welding.
The connected mode that cooling water pipe outer tube 4 is fixedly connected with internal tube plate 2, pipe 5 is fixedly connected with outer tube plate 3 in cooling water pipe is all expanded joint.
Connecting bolt 10 is screw bolt.
Asbestos pad 12 is provided with between internal tube plate 2 and outer tube plate 3.
The quantity of the screwed hole that the second described bolt hole 8 comprises is at least two.
Specific embodiment a kind of transformer forced oil circulation water-cooling is as shown in Figure 1 the tube sheet of device and hydroecium mounting structure but, comprise cylindrical shell 1, internal tube plate 2, outer tube plate 3, cooling water pipe outer tube 4, pipe 5 in cooling water pipe, hydroecium 6, cylindrical shell 1 is fixedly connected with internal tube plate 2, cooling water pipe outer tube 4 is fixedly connected with internal tube plate 2, in cooling water pipe, pipe 5 is fixedly connected with outer tube plate 3, described internal tube plate 2 is provided with the first bolt hole 7, outer tube plate 3 is provided with the second bolt hole 8 in the position of corresponding first bolt hole 7, hydroecium 6 is provided with the 3rd bolt hole 9 in the position of corresponding first bolt hole 7, first bolt hole 7, second bolt hole 8, connecting bolt 10 is provided with in 3rd bolt hole 9, connecting bolt 10 is successively by internal tube plate 2, outer tube plate 3, hydroecium 6 is fixedly connected with as a whole, second bolt hole 8 comprises unthreaded hole and screwed hole, the internal thread coordinated with connecting bolt 10 external screw thread is provided with in screwed hole, connecting bolt 10 inserts from the lower surface of internal tube plate 2, connecting bolt 10 is formed with the screwed hole of outer tube plate 3 and is threaded, internal tube plate 2 is connected as a whole with outer tube plate 3 by connecting bolt 10, when dismounting is arranged on the hydroecium 6 of outer tube plate 3, holding position is motionless due to being threaded of being formed of screwed hole and connecting bolt 10 for outer tube plate 3, ensure that the sealing of tube sheet and cooling water pipe, connecting bolt 10 end is provided with clamp nut 11, clamp nut 11 lower surface contacts with hydroecium 6 upper surface, hydroecium 6 is fixed on the upper surface of outer tube plate 3, connecting bolt 10 coordinates with the unthreaded hole that hydroecium 6 is arranged, by the unthreaded hole of connecting bolt 10 through setting on hydroecium 6 when hydroecium 6 is installed, clamp nut 11 is fixed in the end thread of connecting bolt 10, clamp nut 11 lower surface is made to contact hydroecium 6 upper surface, complete the installation of hydroecium 6, when hydroecium 6 is dismantled, remove the clamp nut 11 arranged hydroecium 6 to be taken off, hydroecium 6 convenient disassembly, be convenient to the service work of cooling water pipe, movement can not be produced because outer tube plate 3 and screwed hole are fixing simultaneously, thus ensure that the expanded joint sealing of pipe 5 in outer tube plate 3 and cooling water pipe.
Second bolt hole 8 had both comprised screwed hole and had also comprised unthreaded hole, screwed hole is at least two, be conducive to the stability ensureing that tube sheet is installed, also the processing quantity of screwed hole is effectively reduced, reduce production cost, the setting of unthreaded hole also effectively improves the installation effectiveness of hydroecium 6, be arranged on the asbestos pad 12 between internal tube plate 2 and outer tube plate 3, ensure that the gap of internal tube plate 2 and outer tube plate 3, if leak, leakage fluid can remain in the gap that asbestos pad 12 formed between internal tube plate 2 and outer tube plate 3, and Leakage prevention liquid leaks outside cooler.
Claims (6)
1. the transformer forced oil circulation water-cooling but tube sheet of device and hydroecium mounting structure, comprise cylindrical shell (1), internal tube plate (2), outer tube plate (3), cooling water pipe outer tube (4), pipe (5) in cooling water pipe, hydroecium (6), cylindrical shell (1) is fixedly connected with internal tube plate (2), cooling water pipe outer tube (4) is fixedly connected with internal tube plate (2), in cooling water pipe, pipe (5) is fixedly connected with outer tube plate (3), it is characterized in that: described internal tube plate (2) is provided with the first bolt hole (7), outer tube plate (3) is provided with the second bolt hole (8) in the position of corresponding first bolt hole (7), hydroecium (6) is provided with the 3rd bolt hole (9) in the position of corresponding first bolt hole (7), first bolt hole (7), second bolt hole (8), connecting bolt (10) is provided with in 3rd bolt hole (9), connecting bolt (10) nut contacts with internal tube plate (2) lower surface, connecting bolt (10) end is provided with clamp nut (11), second bolt hole (8) comprises unthreaded hole and screwed hole, the internal thread coordinated with connecting bolt (10) external screw thread is provided with in screwed hole, first bolt hole (7) and the 3rd bolt hole (9) are all unthreaded hole.
2. a kind of transformer forced oil circulation water-cooling according to claim 1 but tube sheet of device and hydroecium mounting structure, is characterized in that: the connected mode that cylindrical shell (1) and internal tube plate (2) are fixedly connected with is for welding.
3. a kind of transformer forced oil circulation water-cooling according to claim 1 but tube sheet of device and hydroecium mounting structure, is characterized in that: cooling water pipe outer tube (4) is fixedly connected with internal tube plate (2), manage the connected mode that (5) be fixedly connected with outer tube plate (3) in cooling water pipe is all expanded joint.
4. a kind of transformer forced oil circulation water-cooling according to claim 1 but tube sheet of device and hydroecium mounting structure, is characterized in that: connecting bolt (10) is screw bolt.
5. a kind of transformer forced oil circulation water-cooling according to claim 1 but tube sheet of device and hydroecium mounting structure, is characterized in that: be provided with asbestos pad (12) between internal tube plate (2) and outer tube plate (3).
6. a kind of transformer forced oil circulation water-cooling according to claim 1 but tube sheet of device and hydroecium mounting structure, is characterized in that: the quantity of the screwed hole that described the second bolt hole (8) comprises is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642048.2U CN204834273U (en) | 2015-08-24 | 2015-08-24 | Transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642048.2U CN204834273U (en) | 2015-08-24 | 2015-08-24 | Transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834273U true CN204834273U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520642048.2U Expired - Fee Related CN204834273U (en) | 2015-08-24 | 2015-08-24 | Transformer is with forcing tube sheet and hydroecium mounting structure of oily circulating water cooling ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768097A (en) * | 2016-08-22 | 2018-03-06 | 致茂电子股份有限公司 | Transformer with embedded heat transfer element |
-
2015
- 2015-08-24 CN CN201520642048.2U patent/CN204834273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768097A (en) * | 2016-08-22 | 2018-03-06 | 致茂电子股份有限公司 | Transformer with embedded heat transfer element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180824 |