CN102729209A - Device for disassembling and assembling mechanical seal on special motor for screw pump - Google Patents
Device for disassembling and assembling mechanical seal on special motor for screw pump Download PDFInfo
- Publication number
- CN102729209A CN102729209A CN2012101827934A CN201210182793A CN102729209A CN 102729209 A CN102729209 A CN 102729209A CN 2012101827934 A CN2012101827934 A CN 2012101827934A CN 201210182793 A CN201210182793 A CN 201210182793A CN 102729209 A CN102729209 A CN 102729209A
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- mechanical seal
- sleeve
- ring
- sealing
- mechanical
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Abstract
The invention relates to a disassembling and assembling tool and particularly relates to a device for disassembling and assembling a mechanical seal on a special motor for a screw pump. The device is provided with a disassembling and assembling sleeve 8 and a pressing sleeve 7, wherein the lower end of an inner hole of the pressing sleeve is sheathed on the outer edge of a sealing surface of a moving ring of the mechanical seal, internal threads of the disassembling and assembling sleeve are screwed into external threads of a bushing of the mechanical seal, and then the bushing of the mechanical seal and the moving ring of the mechanical seal are installed in a hole between a motor spindle and a sealing sleeve shaft together so as to not only protect the sealing surface of the moving ring of the mechanical seal, but also prevent an anti-rotating pin and the moving ring of the mechanical seal from sliding out under the action of the elasticity of an O-shaped sealing ring due to beating and vibration in installation which is not beneficial to assembly. When the mechanical seal fails and needs to be disassembled, a static ring of the mechanical seal can be drawn out only by unscrewing 6 tightening hexagon socket head cap screws on the static ring of the mechanical seal and then unscrewing a compression nut, 2 tightening screws for positioning the bushing of the mechanical seal on the motor spindle are unscrewed, the disassembling and assembling sleeve is screwed, the bushing of the mechanical seal is pulled out with great effort, and then the bushing of the mechanical seal and the moving ring of the mechanical seal are unscrewed for replacing the moving ring of the mechanical seal. The device is reasonable and simple in structure, convenient to use, and applicable to the assembling and disassembling of the mechanical seal on the special motor for the screw pump.
Description
Technical field:
The present invention relates to a kind of mounting or dismounting tools, specifically a kind of device of installing and removing mechanical seal on the screw pump motor special.
Background technology:
We know that at present, the screw pump motor special is vertical machine mostly, and electric machine main shaft is a hollow shaft; Fixed sealing sleeve is housed in the hollow shaft, the mechanical seal lining is housed in the electric machine main shaft, the rotating ring of installation tool sealing is equipped with the stationary ring of mechanical seal in the lining on the sealing sleeve; When mechanical sealing linkage ring was installed, main armrest frock was gone in the mechanical seal lining, in the electric machine main shaft of packing into together again, and was installed to assigned address to mechanical sealing linkage ring by screwdriver; Because the O-ring seals of static seal is housed on the mechanical seal lining, to add in the mechanical seal lining stop pin is housed, the breach of stop pin and mechanical sealing linkage ring is to last; After the assembling, the mechanical seal lining reinstalls electric machine main shaft endoporus, narrow space; Do not use power, so the dynamic and static ring of mounting or dismounting mechanical seal is hard especially, operation is very inconvenient.
Summary of the invention:
Technical problem to be solved by this invention is the deficiency that overcomes above-mentioned prior art, and the device of mechanical seal on the mounting or dismounting screw pump motor special a kind of rational in infrastructure, simple, easy to use is provided.
The technical scheme that the present invention solves the problems of the technologies described above employing is:
The device of mechanical seal is provided with lip-type packing, stop pin, O-ring seals, mechanical sealing linkage ring, mechanical seal lining, gland, dismounting sleeve, handle, mechanical sealing static ring, sealing sleeve on a kind of dismounting screw pump motor special, it is characterized in that in the endoporus of mechanical seal lining lower end lip-type packing being housed; In the groove of external cylindrical surface O-ring seals is housed; Aperture on the endoporus step of upper end is equipped with stop pin, tops bar the mechanical sealing linkage ring that puts O-ring seals is housed, the gland mechanical sealing linkage ring sealing surface outer of packing into; The dismounting sleeve is fixed on the mechanical seal lining; All parts on handle on the dismounting sleeve and the mechanical seal lining are packed in electric machine main shaft and the hole of sealing between the sleeve together, are fixed by holding screw; The anti-dismounting sleeve of twisting; Take out gland, mechanical sealing static ring is inserted on the sealing sleeve, tighten by clamp nut.
When the mechanical seal inefficacy, when needing dismounting, as long as turn on hexagonal silk in 6 tightenings on the mechanical sealing static ring; Turn on clamp nut again, extract the stationary ring of mechanical seal out, twist and remove 2 holding screws on the mechanical seal cartridge in location on the electric machine main shaft; The dismounting sleeve of screwing on is firmly extracted the mechanical seal lining, mechanical seal lining and mechanical sealing linkage ring is turned on again; Change mechanical sealing linkage ring, convenient and strength-saving.
The present invention assembles and the dismounting mechanical sealing linkage ring owing to adopt the tool construction of gland and dismounting sleeve, and is both convenient and swift, can ensure the quality of products again, and the present invention is rational in infrastructure, simple, and is easy to use, is applicable to mechanical seal on the mounting or dismounting screw pump motor special.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is dismounting sleeve of the present invention and gland installation diagram.
Be labeled as among the figure: 1. lip-type packing 2. stop pins, 3.O shape sealing ring 4.O shape sealing ring, 5. mechanical sealing linkage ring, 6. mechanical seal lining; 7. gland, 8. dismounting sleeve, 9. handle, 10. clamp nut; 11. mechanical sealing static ring, 12. holding screws, 13. sealing sleeves, 14. electric machine main shafts.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done and to further describe:
Shown in Fig. 1, Fig. 2, the device of mechanical seal is provided with lip-type packing, stop pin, O-ring seals, mechanical sealing linkage ring, mechanical seal lining, gland, dismounting sleeve, handle, mechanical sealing static ring, sealing sleeve on a kind of dismounting screw pump motor special; It is characterized in that 2 lip-type packings 1 of packing in the mechanical seal lining 6 lower end endoporus, 3 O-ring seals 3 are housed in the groove of external cylindrical surface, the aperture on the endoporus step of upper end is adorned a little stop pin 2; The top bar mechanical sealing linkage ring 5 of O-ring seals 4 on the encapsulation with the gland 7 mechanical sealing linkage ring 5 sealing surface outers of packing into, is screwed into dismounting sleeve 8 on the mechanical seal lining 6 again; Hold handle 9 on the dismounting sleeve 8 again together with all parts on the mechanical seal lining 6, in the hole between electric machine main shaft 14 and the sealing sleeve 13 of packing into together, twist handle 9; Aim at the hole of holding screw 12 on mechanical seal lining 6 and electric machine main shaft 14, be screwed into 2 holding screws 12, instead twist dismounting sleeve 8; Unload dismounting sleeve 8, take out gland 7, mechanical sealing static ring 11 is inserted on the sealing sleeve 13; The clamp nut 10 of screwing on; Clamp nut 10 is tightened, returned again and twist 1/4 circle, tighten 6 on the mechanical sealing static ring 11 interior hexagonal holding screws; Unclamp clamp nut 10 1 circles again; Again fastening nut makes stationary ring top and clamp nut 10 fixations, and the dynamic and static ring of mechanical seal is with regard to installation like this.
When the present invention uses, the gland 7 mechanical sealing linkage ring 5 sealing surface outers of packing into, when dismounting sleeve 8 is screwed into 6 last times of mechanical seal lining, plane and dismounting sleeve 8 hole faces have little gap on the gland 7; About 1 ~ 1.5mm distance can not let sealing surface grazing on the mechanical sealing linkage ring 5, damages sealing surface; Because it is the dismounting sleeve 8 of having screwed on is easy to firmly install the mechanical seal lining 6 that has O-ring seals 3, easy to assembly again; When mechanical seal damages, when needing dismounting, turn on 6 interior hexagonal trip bolts on the mechanical sealing static ring 11 earlier; Back out clamp nut 10 again, go out mechanical sealing static ring 11, the dismounting sleeve 8 of screwing on hand-lifting; Twist and remove two holding screws 12, hold handle 9 and firmly extract mechanical seal cartridge 6 out, all parts all have been disassembled out with mechanical seal cartridge 6; Have rational in infrastructurely, simple, easy to use, be applicable to mechanical seal on the mounting or dismounting screw pump motor special.
Claims (1)
1. the device of mechanical seal on the dismounting screw pump motor special is provided with lip-type packing, stop pin, O-ring seals, mechanical sealing linkage ring, mechanical seal lining, gland, dismounting sleeve, handle, mechanical sealing static ring, sealing sleeve, it is characterized in that in the endoporus of mechanical seal lining lower end lip-type packing being housed; In the groove of external cylindrical surface O-ring seals is housed; Aperture on the endoporus step of upper end is equipped with stop pin, tops bar the mechanical sealing linkage ring that puts O-ring seals is housed, the gland mechanical sealing linkage ring sealing surface outer of packing into; The dismounting sleeve is fixed on the mechanical seal lining; All parts on handle on the dismounting sleeve and the mechanical seal lining are packed in electric machine main shaft and the hole of sealing between the sleeve together, are fixed by holding screw; The anti-dismounting sleeve of twisting; Take out gland, mechanical sealing static ring is inserted on the sealing sleeve, tighten by clamp nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101827934A CN102729209A (en) | 2012-06-06 | 2012-06-06 | Device for disassembling and assembling mechanical seal on special motor for screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101827934A CN102729209A (en) | 2012-06-06 | 2012-06-06 | Device for disassembling and assembling mechanical seal on special motor for screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102729209A true CN102729209A (en) | 2012-10-17 |
Family
ID=46985869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101827934A Pending CN102729209A (en) | 2012-06-06 | 2012-06-06 | Device for disassembling and assembling mechanical seal on special motor for screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102729209A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907996A (en) * | 2015-06-05 | 2015-09-16 | 北京安达维尔科技有限公司 | Crossing type gear shaft and stator assembling tool |
| 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 |
| CN108730525A (en) * | 2017-11-16 | 2018-11-02 | 江苏核电有限公司 | A kind of nuclear reactors cooling agent pump mechanical sealing unit assembly and disassembly methods and device |
| CN110559920A (en) * | 2019-09-26 | 2019-12-13 | 温州职业技术学院 | Sealed pharmaceutical mixing equipment |
| CN111761540A (en) * | 2020-08-03 | 2020-10-13 | 广西玉柴机器股份有限公司 | Mechanical seal disassembling tool |
| CN111977500A (en) * | 2020-07-28 | 2020-11-24 | 中广核核电运营有限公司 | Dismounting hanger device and dismounting method for nuclear power station main pump seal static ring assembly |
-
2012
- 2012-06-06 CN CN2012101827934A patent/CN102729209A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907996A (en) * | 2015-06-05 | 2015-09-16 | 北京安达维尔科技有限公司 | Crossing type gear shaft and stator assembling tool |
| 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 |
| CN108730525A (en) * | 2017-11-16 | 2018-11-02 | 江苏核电有限公司 | A kind of nuclear reactors cooling agent pump mechanical sealing unit assembly and disassembly methods and device |
| CN108730525B (en) * | 2017-11-16 | 2024-04-09 | 江苏核电有限公司 | Nuclear reactor coolant pump mechanical seal unit dismounting method and device |
| CN110559920A (en) * | 2019-09-26 | 2019-12-13 | 温州职业技术学院 | Sealed pharmaceutical mixing equipment |
| CN111977500A (en) * | 2020-07-28 | 2020-11-24 | 中广核核电运营有限公司 | Dismounting hanger device and dismounting method for nuclear power station main pump seal static ring assembly |
| CN111977500B (en) * | 2020-07-28 | 2022-03-25 | 中广核核电运营有限公司 | Dismounting hanger device and dismounting method for nuclear power station main pump seal static ring assembly |
| CN111761540A (en) * | 2020-08-03 | 2020-10-13 | 广西玉柴机器股份有限公司 | Mechanical seal disassembling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |