CN205765948U - A kind of dismantling device for cooler bottom head covers - Google Patents
A kind of dismantling device for cooler bottom head covers Download PDFInfo
- Publication number
- CN205765948U CN205765948U CN201620403107.5U CN201620403107U CN205765948U CN 205765948 U CN205765948 U CN 205765948U CN 201620403107 U CN201620403107 U CN 201620403107U CN 205765948 U CN205765948 U CN 205765948U
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- China
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- lower floor
- flat board
- upper panel
- diameter
- jack
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Abstract
A kind of dismantling device for cooler bottom head covers, including frock body and jack-up screw rod, frock body includes that upper panel and lower floor's flat board, upper panel and lower floor's flat board are arc, is connected fixing between upper panel and lower floor's flat board by gusset piece；Upper panel is provided with upper panel bolt hole, and upper panel is provided with fixing pin rod towards the side of lower floor's flat board, and lower floor's flat board is provided with lower floor's flat board bolt hole and lower floor's flat board through hole；Jack-up screw rod is variable-diameter structure body, is provided with trapezium structure block on the one section of termination being relatively large in diameter, and a section be relatively large in diameter is thread segment.By using said structure, it is possible to the cooler bottom head covers being arranged in the air is dismounted by very comfortable efficiently, it is simple to the carrying out of cooler service work.
Description
Technical field
This utility model relates to cooler maintenance field, a kind of dismantling device for cooler bottom head covers and using method thereof.
Background technology
Current most of hydrogenerator unit, in order to reduce bearing lubrication oil temperature, all have employed the bearing type of cooling of external cooler, and the profile of cooler have employed cylindrical structure form more.
And the subject matter existed during the dismounting of existing derivation cooler have following some:
1, unit equipment is when mounted, and derivation cooler is fixed on lower bearing bracket support arm, has 3m with the axial distance on ground, has 2m, cooler to be in the air with the radial distance on lower bearing bracket basis, is difficult to carry out overhaul of the equipments；
2, cooler bottom head covers diameter 540mm, thickness 15mm, self is heavier, and staff is difficult to operation end cap and removes；
3, bottom head covers has and partly cooling water flow out of, and does not around have the platform that can place, the easy falling from high altitude of wet and slippery end cap, causes injury to personnel and device damage.
4, multiple derivation cooler it is disposed with on lower bearing bracket, if each cooler uses the mode setting up scaffold to overhaul, on the one hand setting up scaffold can increase overhaul of the equipments cost, on the other hand limited by institute's advancing equipment bottom lower bearing bracket, it is difficult to bottom some scaffold support, the fixing shakiness of scaffold may be caused, increase work safety risk.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of dismantling device for cooler bottom head covers and using method thereof, very comfortable efficiently the cooler bottom head covers being arranged in the air can be dismounted, it is simple to the carrying out of cooler service work.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of dismantling device for cooler bottom head covers, including frock body and jack-up screw rod, frock body includes upper panel and lower floor's flat board, upper panel and lower floor's flat board are arc, are connected fixing between upper panel and lower floor's flat board by gusset piece；
Upper panel is provided with upper panel bolt hole, and upper panel is provided with fixing pin rod towards the side of lower floor's flat board, and lower floor's flat board is provided with lower floor's flat board bolt hole and lower floor's flat board through hole；
Jack-up screw rod is variable-diameter structure body, is provided with trapezium structure block on the one section of termination being relatively large in diameter, and a section be relatively large in diameter is thread segment.
Preferably in scheme, described upper panel bolt hole and lower floor's flat board through hole are on same vertical plane, and upper panel bolt hole is identical with jack-up screw flight section diameter of section with the aperture of lower floor flat board through hole.
Preferably in scheme, the diameter of a section that described jack-up screw diameter is bigger is more than the diameter of upper panel bolt hole, and less than the diameter of lower floor's flat board through hole, the maximum cross-section diameter of the trapezium structure block of jack-up screw rod is more than the diameter of lower floor's flat board through hole.
A kind of dismantling device for cooler bottom head covers provided by the utility model and using method thereof, by using said structure, have the advantages that
(1) frock body designs structure, tension and comprcssive strength greatly for Integral forming type, is unlikely to deform, single special tooling lighter in weight, can meet field apparatus service work needs；
(2) application of frock body, can meet the on-the-spot inspection to derivation cooler end cap, again can integral replacing flange seal, it is ensured that the integrity of flange seal, improves equipment functional reliability；
(3) particularly for the circular cooler being in high-altitude, special tooling may insure that bottom head covers is removed safely, and prevents it from falling, and reduces falling object from high altitude and causes the risk of injury to personnel and device damage；
(4) have only to a people and can complete frock installation and cooler end cap service work, reduce labor intensity, save the repair time, saved overhaul of the equipments cost.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is that frock body of the present utility model faces structural representation.
Fig. 2 is frock body top surface structure schematic diagram of the present utility model.
Fig. 3 is frock body bottom surface structure schematic diagram of the present utility model.
Fig. 4 is jack-up screw-rod structure schematic diagram of the present utility model.
In figure: upper panel 1, lower floor's flat board 2, fixing pin rod 3, upper panel bolt hole 4, lower floor's flat board bolt hole 5, lower floor's flat board through hole 6, gusset piece 7, jack-up screw rod 8, trapezium structure block 9, frock body 10.
Detailed description of the invention
Embodiment 1:
In figure, a kind of dismantling device for cooler bottom head covers, including frock body 10 and jack-up screw rod 8, frock body 10 includes upper panel 1 and lower floor's flat board 2, upper panel 1 and lower floor's flat board 2 are arc, are connected fixing between upper panel 1 and lower floor's flat board 2 by gusset piece 7；
Upper panel 1 is provided with upper panel bolt hole 4, and upper panel 1 is provided with fixing pin rod 3 towards the side of lower floor's flat board 2, and lower floor's flat board 2 is provided with lower floor's flat board bolt hole 5 and lower floor's flat board through hole 6；
Jack-up screw rod 8 is variable-diameter structure body, is provided with trapezium structure block 9 on the one section of termination being relatively large in diameter, and a section be relatively large in diameter is thread segment.
Preferably in scheme, described upper panel bolt hole 4 is with lower floor's flat board through hole 6 on same vertical plane, and upper panel bolt hole 4 is identical with the thread segment diameter of section of jack-up screw rod 8 with the aperture of lower floor flat board through hole 6.
Preferably in scheme, the diameter of be relatively large in diameter one section of described jack-up screw rod 8 is more than the diameter of upper panel bolt hole 4, and less than the diameter of lower floor's flat board through hole 6, the maximum cross-section diameter of the trapezium structure block 9 of jack-up screw rod 8 is more than the diameter of lower floor's flat board through hole 6.
Embodiment 2:
On the basis of embodiment 1:
A kind of using method of the dismantling device for cooler bottom head covers, it is characterised in that: utilize jack-up screw rod 8 and trapezium structure block 9 that cooler bottom head covers is dismounted.
Preferably in scheme, further comprising the steps of:
1) dismounting derivation cooler bottom head covers flange is conjunction bolt, the most reserved two conjunction bolts along the symmetry direction of derivation cooler bottom head covers flange face radial direction；
2) utilize the fixing pin rod 3 in upper panel 1 to insert bottom cooler in upper flange surface bolt hole, frock body 10 is fixed on bottom cooler in upper flange surface；
3) end of thread of two jack-up screw rods 8 is successively passed lower floor's flat board through hole 6 and cooler flange in the bottom after conjunction bolt hole, screw in from bottom to top in upper panel bolt hole 4, and manually having pressed closer screw rod 8, two jack-up screw rods 8 are arranged along cooler bottom head covers radial symmetric；
4) two end cap flange faces reserved in dismounting step 1) are closing bolt, unclamp two jack-up screw rods 8 afterwards, until end cover and lower floor's flat board 2 gentle touchdown of frock body 10；
5) four screw bolts are installed from bottom to top the lower floor's flat board bolt hole 5 to frock body 10, after bolt is installed and put in place, with four nuts, frock body 10 is fixed with bottom head covers emergency hand；
6) removing jack-up screw rod 8, now cooler bottom head covers is fixed between lower floor's flat board 2 of two frock bodies 10, now carries out overhaul of the equipments work；
7), after overhaul of the equipments completes, again jack-up screw rod 8 is screwed in from bottom to top in the upper panel bolt hole 4 of frock body 10, until the trapezium structure block 9 of jack-up screw rod 8 and cover plate bottom surface gentle touchdown；
8) after removing four screw bolts on lower floor's flat board 2 of frock body 10, symmetrical rotary jack-up screw rod 8；
9) when plane and end flange face gentle touchdown under derivation cooler on cover plate, again symmetrical tight derivation cooler bottom head covers with jack-up screw rod 8, by flange face, remaining closes bolt and returns dress afterwards, then removes two frock bodies 10, service work bottom the cooler that completes once to derive.
Preferably in scheme, described step 2) in fixing frock body 10 be two, two frock bodies 10 are arranged along cooler bottom head covers radial symmetric.
Claims (3)
1. the dismantling device for cooler bottom head covers, including frock body (10) and jack-up screw rod (8), it is characterized in that: frock body (10) includes upper panel (1) and lower floor's flat board (2), upper panel (1) and lower floor's flat board (2) are arc, are connected fixing between upper panel (1) and lower floor's flat board (2) by gusset piece (7)；
Upper panel (1) is provided with upper panel bolt hole (4), and upper panel (1) is provided with fixing pin rod (3) towards the side of lower floor's flat board (2), and lower floor's flat board (2) is provided with lower floor's flat board bolt hole (5) and lower floor's flat board through hole (6)；
Jack-up screw rod (8) is variable-diameter structure body, is provided with trapezium structure block (9) on the one section of termination being relatively large in diameter, and a section be relatively large in diameter is thread segment.
A kind of dismantling device for cooler bottom head covers the most according to claim 1, it is characterized in that: described upper panel bolt hole (4) and lower floor's flat board through hole (6) are on same vertical plane, and upper panel bolt hole (4) is identical with the thread segment diameter of section of jack-up screw rod (8) with the aperture of lower floor's flat board through hole (6).
A kind of dismantling device for cooler bottom head covers the most according to claim 1, it is characterized in that: the diameter of be relatively large in diameter one section of described jack-up screw rod (8) is more than the diameter of upper panel bolt hole (4), less than the diameter of lower floor's flat board through hole (6), the maximum cross-section diameter of the trapezium structure block (9) of jack-up screw rod (8) is more than the diameter of lower floor's flat board through hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403107.5U CN205765948U (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device for cooler bottom head covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403107.5U CN205765948U (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device for cooler bottom head covers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205765948U true CN205765948U (en) | 2016-12-07 |
Family
ID=57411469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620403107.5U Expired - Fee Related CN205765948U (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device for cooler bottom head covers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205765948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798844A (en) * | 2016-05-06 | 2016-07-27 | 中国长江电力股份有限公司 | Dismounting and mounting tool for bottom end cover of cooler and using method for dismounting and mounting tool |
-
2016
- 2016-05-06 CN CN201620403107.5U patent/CN205765948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798844A (en) * | 2016-05-06 | 2016-07-27 | 中国长江电力股份有限公司 | Dismounting and mounting tool for bottom end cover of cooler and using method for dismounting and mounting tool |
| CN105798844B (en) * | 2016-05-06 | 2017-11-10 | 中国长江电力股份有限公司 | A kind of dismantling device and its application method for cooler bottom head covers |
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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: 20161207 Termination date: 20210506 |