CN105798844A - Dismounting and mounting tool for bottom end cover of cooler and using method for dismounting and mounting tool - Google Patents
Dismounting and mounting tool for bottom end cover of cooler and using method for dismounting and mounting tool Download PDFInfo
- Publication number
- CN105798844A CN105798844A CN201610295325.6A CN201610295325A CN105798844A CN 105798844 A CN105798844 A CN 105798844A CN 201610295325 A CN201610295325 A CN 201610295325A CN 105798844 A CN105798844 A CN 105798844A
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- China
- Prior art keywords
- cooler
- lower floor
- flat board
- jack
- head covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a dismounting and mounting tool for a bottom end cover of a cooler and a using method for the dismounting and mounting tool. The dismounting and mounting tool comprises a tool body and a jacking screw, the tool body comprises an upper layer flat plate and a lower layer flat plate; the upper layer flat plate and the lower layer flat plate are both arc-shaped plates and are fixedly connected through a connecting plate; an upper layer flat plate bolt hole is formed in the upper layer flat plate, a fixed pin rod is arranged on the side face, facing the lower layer flat plate, of the upper layer flat plate, and the lower layer flat plate is provided with a lower layer flat plate bolt hole and a lower layer flat plate through hole; and the jacking screw is a diameter-changing structure body, a trapezoidal frame block is arranged on the end of the section with the large diameter, and the section with the large diameter is a threaded section. By means of the above structure, the cooler bottom end cover arranged in the air can be easily and rapidly dismounted and mounted, and the overhaul work of the cooler is conveniently done.
Description
Technical field
The present invention relates to cooler maintenance field, particularly 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, lower bearing bracket is provided with multiple derivation cooler, if each cooler adopts the mode setting up scaffold to overhaul, setting up scaffold can increase overhaul of the equipments cost on the one hand, on the other hand by the restriction of institute's advancing equipment bottom lower bearing bracket, it is difficult to bottom some scaffold support, may result in the fixing shakiness of scaffold, increase work safety risk.
Summary of the invention
The technical problem to be solved is to provide a kind of dismantling device for cooler bottom head covers and using method thereof, 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.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: 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.
In preferred 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 the aperture of lower floor flat board through hole and jack-up screw flight section diameter of section.
In preferred 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.
The using method of a kind of dismantling device for cooler bottom head covers, utilizes jack-up screw rod and trapezium structure block that cooler bottom head covers is dismounted.
In preferred scheme, further comprising the steps of:
1) dismounting derivation cooler bottom head covers flange is conjunction bolt, only reserved two conjunction bolts along the symmetry direction of derivation cooler bottom head covers flange face radial direction；
2) utilize fixing pin rod in upper panel to insert bottom cooler in upper flange surface bolt hole, frock body (10) is fixed on bottom cooler in upper flange surface；
3) two jack-up screw flight ends are successively passed lower floor's flat board through holes and cooler flange in the bottom after conjunction bolt hole, screw in from bottom to top in upper panel bolt hole, and manually having pressed closer screw rod, two jack-up screw rods are arranged along cooler bottom head covers radial symmetric；
4) remove two end cap flange faces reserved in step 1) closing bolt, unclamp two jack-up screw rods afterwards, until lower floor's flat board gentle touchdown of end cover and frock body；
5) four screw bolts are mounted to from bottom to top lower floor's flat board bolt hole of frock body, after bolt is installed and put in place, with four nuts, frock body and bottom head covers emergency hand are fixed；
6) removing jack-up screw rod, now cooler bottom head covers is fixed between lower floor's flat board of two frock bodies, now carries out overhaul of the equipments work；
7), after overhaul of the equipments completes, again jack-up screw rod is screwed in from bottom to top in the upper panel bolt hole of frock body, until the trapezium structure block of jack-up screw rod and cover plate bottom surface gentle touchdown；
8) after removing four screw bolts on lower floor's flat board of frock body, symmetrical rotary jack-up screw rod；
9) when plane and end flange face gentle touchdown under derivation cooler on cover plate, again by jack-up screw rod symmetry tight derivation cooler bottom head covers, by flange face, all the other close bolt and return dress afterwards, then remove two frock bodies, complete once service work bottom derivation cooler.
In preferred scheme, described step 2) in fixing frock body be two, two frock bodies are arranged along cooler bottom head covers radial symmetric.
A kind of dismantling device for cooler bottom head covers provided by the present invention and using method thereof, by adopting 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, it is possible to 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
Below in conjunction with drawings and Examples, the invention will be further described:
The frock body that Fig. 1 is the present invention faces structural representation.
Fig. 2 is the frock body top surface structure schematic diagram of the present invention.
Fig. 3 is the frock body bottom surface structure schematic diagram of the present invention.
Fig. 4 is the jack-up screw-rod structure schematic diagram of the present invention.
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.
In preferred scheme, 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 in the aperture of lower floor flat board through hole 6 and jack-up screw rod 8.
In preferred 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.
In preferred scheme, further comprising the steps of:
1) dismounting derivation cooler bottom head covers flange is conjunction bolt, only 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) remove two end cap flange faces reserved in step 1) closing bolt, unclamp two jack-up screw rods 8 afterwards, until lower floor's flat board 2 gentle touchdown of end cover and frock body 10；
5) four screw bolts are mounted to from bottom to top lower floor's flat board bolt hole 5 of frock body 10, after bolt is installed and put in place, with four nuts, frock body 10 and bottom head covers emergency hand are fixed；
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, all the other close bolt and return dress afterwards, then remove two frock bodies 10, complete once service work bottom derivation cooler.
In preferred 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 (6)
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.
2. a kind of dismantling device for cooler bottom head covers 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 in the aperture of lower floor's flat board through hole (6) Yu jack-up screw rod (8).
3. a kind of dismantling device for cooler bottom head covers 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).
4. the using method for the dismantling device of 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.
5. the using method of a kind of dismantling device for cooler bottom head covers according to claim 4, it is characterised in that further comprising the steps of:
1) dismounting derivation cooler bottom head covers flange is conjunction bolt, only reserved two conjunction bolts along the symmetry direction of derivation cooler bottom head covers flange face radial direction；
2) utilize 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) remove two end cap flange faces reserved in step 1) closing bolt, unclamp two jack-up screw rods (8) afterwards, until lower floor's flat board (2) gentle touchdown of end cover and frock body (10)；
5) four screw bolts are mounted to from bottom to top lower floor's flat board bolt hole (5) of frock body (10), after bolt is installed and put in place, with four nuts, frock body (10) and bottom head covers emergency hand are fixed；
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, all the other close bolt and return dress afterwards, then remove two frock bodies (10), complete once service work bottom derivation cooler.
6. the using method of a kind of dismantling device for cooler bottom head covers according to claim 5, it is characterized in that: described step 2) in fixing frock body (10) be two, two frock bodies (10) are arranged along cooler bottom head covers radial symmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295325.6A CN105798844B (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device and its application method for cooler bottom head covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295325.6A CN105798844B (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device and its application method for cooler bottom head covers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798844A true CN105798844A (en) | 2016-07-27 |
| CN105798844B CN105798844B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610295325.6A Active CN105798844B (en) | 2016-05-06 | 2016-05-06 | A kind of dismantling device and its application method for cooler bottom head covers |
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| CN (1) | CN105798844B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382640A (en) * | 2018-10-29 | 2019-02-26 | 中国长江电力股份有限公司 | A kind of governor emergency distributing valve maintenance tool and repair method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020195142A1 (en) * | 2001-05-22 | 2002-12-26 | Safety Systems International Ltd. | Valve installation apparatus |
| CN2813221Y (en) * | 2005-07-22 | 2006-09-06 | 登封电厂集团有限公司 | Special tool for disassembling high-pressure heater end cover |
| CN201900611U (en) * | 2010-12-20 | 2011-07-20 | 重庆建峰工业集团有限公司 | Removal tool for air compressor motor |
| CN203171538U (en) * | 2013-01-14 | 2013-09-04 | 江苏悦达纺织集团有限公司 | Demounting device for bearings on leather roller shaft |
| CN205765948U (en) * | 2016-05-06 | 2016-12-07 | 中国长江电力股份有限公司 | A kind of dismantling device for cooler bottom head covers |
-
2016
- 2016-05-06 CN CN201610295325.6A patent/CN105798844B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020195142A1 (en) * | 2001-05-22 | 2002-12-26 | Safety Systems International Ltd. | Valve installation apparatus |
| CN2813221Y (en) * | 2005-07-22 | 2006-09-06 | 登封电厂集团有限公司 | Special tool for disassembling high-pressure heater end cover |
| CN201900611U (en) * | 2010-12-20 | 2011-07-20 | 重庆建峰工业集团有限公司 | Removal tool for air compressor motor |
| CN203171538U (en) * | 2013-01-14 | 2013-09-04 | 江苏悦达纺织集团有限公司 | Demounting device for bearings on leather roller shaft |
| CN205765948U (en) * | 2016-05-06 | 2016-12-07 | 中国长江电力股份有限公司 | A kind of dismantling device for cooler bottom head covers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382640A (en) * | 2018-10-29 | 2019-02-26 | 中国长江电力股份有限公司 | A kind of governor emergency distributing valve maintenance tool and repair method |
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| Publication number | Publication date |
|---|---|
| CN105798844B (en) | 2017-11-10 |
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