CN203650435U - Integrated special device for horizontally disassembling and assembling valve decks of large-caliber pressure seal valves - Google Patents
Integrated special device for horizontally disassembling and assembling valve decks of large-caliber pressure seal valves Download PDFInfo
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- CN203650435U CN203650435U CN201320839883.6U CN201320839883U CN203650435U CN 203650435 U CN203650435 U CN 203650435U CN 201320839883 U CN201320839883 U CN 201320839883U CN 203650435 U CN203650435 U CN 203650435U
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
The utility model belongs to a tool for disassembling and assembling valve decks, and relates to an integrated special device for horizontally disassembling and assembling the valve decks of large-caliber pressure seal valves. The integrated special device comprises a fixed frame (1), a baffle plate (2), copper nuts (3), a screw (4) and a fastening bolt (7), wherein the fixed frame (1) is of an annular structure which is formed by processing plates and is provided with an opening, the fastening bolt (7) is arranged at the opening and is used for adjusting the degree of tightness of the annular structure; the baffle plate (2) is of a U-shaped structure formed by processing a plate, the two sides of the U-shaped structure of the baffle plate (2) are welded on the fixed frame (1), a guide hole is formed in the middle of the bottom edge of the U-shaped structure of the baffle plate (2), and two through holes for mounting the copper nuts (3) are formed in the two sides of the guide hole respectively; the thread at one end of the screw (4) is matched with the thread of a screw hole in the valve deck, and the threads at the middle section and the other end of the screw (4) are matched with the threads of the copper nuts (3). The integrated special device is suitable for disassembling and assembling valve decks of large high-pressure seal valves with greater disassembly and assembly difficulty.
Description
Technical field
The utility model belongs to valve gap dismantling device, is specifically related to a kind of heavy caliber valve gap horizontal dismountable integral type special purpose device.
Background technology
Nowadays, Large-scale High-Pressure sealed valve mostly adopts floating type valve gap design, and valve gap is embedded among valve body, this type of valve can be realized by medium self pressure the sealing of valve gap, therefore claim wiper seal valve, also claims self-sealing valve, conventionally pressure medium is higher, and sealing effectiveness is better.
But, in the maintenance process of wiper seal valve, often run into the problem that floating type valve gap is difficult to dismounting, for example, in the time of valve at right angle setting, valve gap needs horizontal dismountable, difficulty is particularly outstanding, show as dismounting drawing strength large, valve gap easily tilts stuck, when horizontal dismountable, guidance quality is poor etc., reason have following some: first, the sealing station of wiper seal valve valve gap is in valve body inner side, rely on valve body and valve gap edge crush seal pad to realize, after the long-time high-voltage operation of valve, sealing gasket deformation degree of extrusion is larger, and progressively lose resilience, while causing valve gap to take out, required pulling capacity is large, general instrument is difficult to pull-out, very easily injure valve body and valve bonnet seal face and reject sealing gasket, secondly, the valve gap of wiper seal valve and the fit clearance of valve body are very little, and after the effects such as long-term operating vibrations and thermal stress, vertically arranged valve gap probably occurs tilting, and causes valve gap and valve body stuck, is difficult to take out, again, if when valve gap horizontal direction is installed, valve gap is because of the very difficult axiality higher with valve body maintenance of Action of Gravity Field, in the process of therefore removing and installing at valve gap, all there is no good guiding, easy bite while causing valve gap to be removed, easily causes the inhomogeneous compression of sealing gasket when installation, not only increased the difficulty that valve gap is installed, hidden danger has been buried in the sealing state being also in operation for valve and the dismounting of next valve gap.
Because at present domestic there is no is applicable to the special tool utensil that heavy caliber wiper seal valve valve gap is removed and installed, therefore need to design a set of heavy caliber wiper seal valve valve gap dismounting integral type special purpose device.
Summary of the invention
The purpose of this utility model is to provide a set of heavy caliber wiper seal valve valve gap dismounting integral type special purpose device.
The technical scheme that realizes described object is: a kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device, wherein, comprising: fixed mount, baffle plate, copper nut, screw rod, fastening bolt; Wherein, fixed mount is the loop configuration with opening that sheet material processes, and at opening part, fastening bolt is set, and fastening bolt regulates loop configuration tightness; Baffle plate is the U-shaped structure that sheet material processes, and 2 sides of the U-shaped structure of baffle plate are welded on fixed mount, in the middle of the part of the U-shaped structure base of baffle plate, is provided with a pilot hole, and respectively there is a through hole that copper nut is installed pilot hole both sides; Screw rod threaded one end matches with the screw thread of screw on valve gap, and the screw thread of screw rod stage casing and the other end matches with the screw thread of copper nut.
A kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as above, wherein, in described fixed mount, outside all has flanging.
A kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as above, wherein, in the junction of described screw rod and described valve gap, arranges back of the body cap fastening.
A kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as above, wherein, the screw thread of described screw rod stage casing and the other end and the screw thread of copper nut are trapezoidal thread.
Effect of the present invention: (1), by the design of this device, has solved heavy caliber wiper seal valve valve gap level and removed the difficult problem that moment is excessive, there is no suitable Work tool; (2) utilize the pilot hole of this device, can provide accurate guiding for the dismounting of valve gap and installation, prevent valve gap bite because tilting to cause in horizontal dismountable process, the valve gap that also can be inclination is simultaneously adjusted; (3) by using this device, can solve installation time, because valve gap Action of Gravity Field is difficult to keep compared with the problem of high-axiality with valve body, guaranteed the initial installation site that sealing gasket is correct; (4) this device is cheap for manufacturing cost, material purchases are convenient, be easy to processing, is conducive to improve the repair quality of large-scale wiper seal valve, guarantees maintenance of valve progress.
The utility model is applicable to disintegration and the assembling of the Large-scale High-Pressure sealed valve valve gap that dismounting difficulty is larger.
Accompanying drawing explanation
Fig. 1 is heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device structure chart.
Fig. 2 is the structure chart of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device while being installed on valve body.
Fig. 3 is copper nut structure chart.
In figure: 1. fixed mount; 2. baffle plate; 3. copper nut; 4. screw rod; 5. pilot hole; 6. back of the body cap; 7. fastening bolt; 8. valve gap; 9. valve body.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As depicted in figs. 1 and 2, described in the present embodiment, device comprises: fixed mount 1, baffle plate 2, copper nut 3, screw rod 4, back of the body cap 6, fastening bolt 7.
Fixed mount 1 is the semi-loop processing take metal blank as main body, and ring opening part arranges fastening bolt 7, and the tightness of ring is regulated by fastening bolt 7, and in ring, outside all has flanging, becomes snap ring.When use, semi-loop is encircled flange port outside in valve, in order to realize installation, the positioning function of described special purpose device on valve body; Encircle the fastening bolt 7 of opening part setting for regulating the tightness of fixed mount 1, so that fixed mount 1 is anchored on to valve body, assurance device stability; The inside and outside snap ring arranging of ring is mainly used in preventing that fixed mount from moving forward and backward after stressed, even departs from valve.
U-shaped baffle plate 2 is processed by metallic plate, when U-shaped opening direction is installed with valve gap, direction of advance is identical, 2 sides of the U-shaped structure of baffle plate 2 are welded on fixed mount 1, in the middle of the part of baffle plate 2U type structure base, be provided with a pilot hole, respectively there is a through hole that copper nut 3 is installed pilot hole both sides.Baffle plate 2 is mainly used in bearing the reaction force of screw rod 4 pulling capacities and thrust, simultaneously for the dismounting of valve gap provides accurate guiding.
Special purpose device arranges two copper nuts 3, is embedded on baffle plate 2, is respectively used to operate two screw rods 4.As shown in Figure 3, this copper nut 3 is inlaid on baffle plate, adopts combination to install, and is welded.Therefore can forward and reverse rotation provide thrust and pulling force.So, copper nut 3 can carry out forward and reverse rotation, thereby realizes the inside and outside movement of screw rod, and pulling force and thrust are provided.
Screw rod 4 is processed by the metal bar material of higher-strength, its threaded one end matches with the screw thread of valve gap screw, be used for connecting valve gap, and the junction at screw rod 4 with valve gap, can also arrange back of the body cap 6 fastening, prevent screw rod 4 and valve gap disengagement, its locking principle is that back of the body cap 6 is also nut, forms with valve gap and screw rod the structure that is similar to double nut locking; The screw thread of screw rod 4 stage casings and the other end is trapezoidal thread, matches with the screw thread of copper nut 3, has both played gearing, has again enough intensity.
The basic principle of this device: this device is mainly realized the level dismounting and installation of valve gap by high-torque screw rod 4 transmissions of 2 dual-purpose one of push-and-pull, and guarantees that by accurate guiding valve gap does not tilt in disassembly process, reduces resistance.
In the time that valve gap is removed, first the pilot hole 5 of the baffle plate 2 on valve gap dismounting special purpose device is penetrated to valve gap boss, for shifting out valve body, valve gap level provides guiding; Then by the fixed mount 1 of special purpose device, special purpose device is fixed on to flange port in valve; The bolt hole that again two drawing screw rods 4 is screwed in to valve gap, each drawing screw rod 4 is provided with a copper nut 3 on baffle plate, is operated copper nut 3 and realized the horizontally outward drawing of valve gap by rotation.As valve gap occurs tilting, can adjust by forward and reverse operation copper nut 3 in operation.In the time that valve gap is installed, first valve gap is packed in valve body in flange port; Then special purpose device is installed, is made the pilot hole 5 of device overhead gage 2 penetrate valve gap boss, and by the fixed mount 1 of special purpose device, special purpose device is fixed on to flange port in valve; Again two drawing screw rods 4 are screwed in to the bolt hole of valve gap, operate copper nut 3 and realize the inside translation of level of valve gap by rotation, prevent inclination so that the bite of valve gap in installation process.When gasket seal is installed, can utilize the guide function of this device to guarantee that valve gap does not tilt and higher axiality, realize the even compression of sealing gasket.
The use procedure of this device is as described below:
1. valve gap level is removed
1) pilot hole of the baffle plate 2 on valve gap dismounting special purpose device is penetrated to the middle boss of valve gap, provide guiding for valve gap level shifts out valve body;
2) fixed mount of special purpose device 1 is sleeved on to flange port valve body outside in valve, makes inside and outside snap ring block respectively valve body;
3) fastening bolt 7 on fastening fixed mount 1, makes fixed mount 1 firmly hold valve body tightly;
4) two drawing screw rods 4 are screwed in to the bolt hole of valve gap, and adopt back of the body cap 6 fastening, prevent screw rod 4 and valve gap disengagement;
5) rotate two copper nuts 3 of operation with two spanners simultaneously, make valve gap by horizontally outward drawing equably, as valve gap occurs tilting, forward and reverse operation copper nut 3 is adjusted in operation;
6) in the time that valve gap level is drawn out in valve flange port, hang suspender, remove special purpose device.
2. valve gap level is installed
1) first will after valve gap lifting, pack in valve body in flange port;
2) special purpose device is installed, is made the pilot hole of device overhead gage penetrate valve gap boss;
3) by the fixed mount 1 of special purpose device, special purpose device is fixed on to flange port in valve;
4) fastening bolt 7 on fastening fixed mount, makes fixed mount 1 firmly hold valve body tightly;
5) two screw rods 4 are screwed in to the bolt hole of valve gap, and adopt the back of the body cap back of the body tight;
6) rotate two copper nuts 3 of operation with two spanners simultaneously, make the inside translation of valve gap level;
7) valve gap screws out screw rod 4 after being in place, and gasket seal is installed, then two screw rods 4 are installed;
8) again operate two copper nuts 3 simultaneously, make horizontally outward drawing of valve gap, preliminary compression seal pad, and valve gap is in place, finally remove special purpose device.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (4)
1. a heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device, for dismounting valve gap, is characterized in that, comprising: fixed mount (1), baffle plate (2), copper nut (3), screw rod (4), fastening bolt (7); Wherein, the loop configuration with opening that fixed mount (1) processes for sheet material, arranges fastening bolt (7) at opening part, and fastening bolt (7) regulates loop configuration tightness; The U-shaped structure that baffle plate (2) processes for sheet material, 2 sides of the U-shaped structure of baffle plate (2) are welded on fixed mount (1), in the middle of the part of the U-shaped structure base of baffle plate (2), be provided with a pilot hole, respectively there is a through hole that copper nut (3) is installed pilot hole both sides; Screw rod (4) threaded one end matches with the screw thread of screw on valve gap, and the screw thread of screw rod (4) stage casing and the other end matches with the screw thread of copper nut (3).
2. a kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as claimed in claim 1, is characterized in that, in described fixed mount (1), outside all has flanging.
3. a kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as claimed in claim 1, is characterized in that, the junction at described screw rod (4) with described valve gap arranges back of the body cap (6) fastening.
4. a kind of heavy caliber wiper seal valve valve gap horizontal dismountable integral type special purpose device as claimed in claim 1, is characterized in that, the screw thread of the screw thread of described screw rod (4) stage casing and the other end and copper nut (3) is trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839883.6U CN203650435U (en) | 2013-12-18 | 2013-12-18 | Integrated special device for horizontally disassembling and assembling valve decks of large-caliber pressure seal valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839883.6U CN203650435U (en) | 2013-12-18 | 2013-12-18 | Integrated special device for horizontally disassembling and assembling valve decks of large-caliber pressure seal valves |
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| Publication Number | Publication Date |
|---|---|
| CN203650435U true CN203650435U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839883.6U Expired - Lifetime CN203650435U (en) | 2013-12-18 | 2013-12-18 | Integrated special device for horizontally disassembling and assembling valve decks of large-caliber pressure seal valves |
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| CN (1) | CN203650435U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127032A (en) * | 2015-07-29 | 2015-12-09 | 合肥宝创电子科技有限公司 | Machine tool part spraying machine |
| CN106439153A (en) * | 2016-11-30 | 2017-02-22 | 丹阳祥翼五金贸易有限公司 | Gas cylinder valve safety cap for welding container steel cylinder |
| CN107571189A (en) * | 2017-09-29 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of dynamic and static ring assemblies synchronization attaching/detaching apparatus of stern shaft seal gland |
| CN108145653A (en) * | 2017-12-07 | 2018-06-12 | 上海齐耀动力技术有限公司 | Valve mounting tool and valve field installation process |
| CN109780257A (en) * | 2019-03-26 | 2019-05-21 | 温州昱龙智能机械科技有限公司 | A kind of Three-way rotary valve convenient for disassembly and assembly |
-
2013
- 2013-12-18 CN CN201320839883.6U patent/CN203650435U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127032A (en) * | 2015-07-29 | 2015-12-09 | 合肥宝创电子科技有限公司 | Machine tool part spraying machine |
| CN106439153A (en) * | 2016-11-30 | 2017-02-22 | 丹阳祥翼五金贸易有限公司 | Gas cylinder valve safety cap for welding container steel cylinder |
| CN107571189A (en) * | 2017-09-29 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of dynamic and static ring assemblies synchronization attaching/detaching apparatus of stern shaft seal gland |
| CN107571189B (en) * | 2017-09-29 | 2023-06-27 | 中国船舶重工集团公司第七一九研究所 | Synchronous dismounting device for dynamic and static ring components of stern shaft sealing device |
| CN108145653A (en) * | 2017-12-07 | 2018-06-12 | 上海齐耀动力技术有限公司 | Valve mounting tool and valve field installation process |
| CN108145653B (en) * | 2017-12-07 | 2022-09-06 | 上海齐耀动力技术有限公司 | Valve installation tool and valve field installation method |
| CN109780257A (en) * | 2019-03-26 | 2019-05-21 | 温州昱龙智能机械科技有限公司 | A kind of Three-way rotary valve convenient for disassembly and assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
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| CX01 | Expiry of patent term |