CN207240074U - The special instrument that changes the outfit of ram block shaft seal - Google Patents
The special instrument that changes the outfit of ram block shaft seal Download PDFInfo
- Publication number
- CN207240074U CN207240074U CN201721121526.0U CN201721121526U CN207240074U CN 207240074 U CN207240074 U CN 207240074U CN 201721121526 U CN201721121526 U CN 201721121526U CN 207240074 U CN207240074 U CN 207240074U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- hole
- adjusting nut
- outfit
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses the special instrument that changes the outfit of ram block shaft seal, including main body, adjusting nut, retainer ring, pin, telescopic claw, locking nut and guide ring;It is characterized in that:The center of main body is axially disposed through hole two, and feather key one is provided with through hole two;Adjusting nut one is threadedly attached in the top of screw rod two;Two lower part of screw rod passes through through hole two;The center of screw rod two is axially disposed through hole three, and feather key two is provided with through hole three;Adjusting nut two is threadedly attached in the top of screw rod three, and the lower part of screw rod three passes through through hole three;The lower part of screw rod three is provided with positioning step, and guide ring is set in the lower part of screw rod three;Guide ring is fixed by the positioning step that locking nut and three lower part of screw rod are set;Via is distributed along the circumference with the outside of guide ring, the top of telescopic claw passes through via, and the lower part of screw rod two is fixed on by retainer ring and tip nail;The utility model can be widely applied in oil, gas drilling.
Description
Technical field
It the utility model is related to the special instrument that changes the outfit of seal, and in particular to the special work that changes the outfit of ram block shaft seal
Tool.
Background technology
Well control equipment is in particularly important status in operation is repaiied in drilling well, examination, is directly related to well control safety work,
To ram preventer maintenance, detection technological process in, ensure maintenance, detection quality, specification maintenance, detection content, program and
Quality control method is very important., it is necessary to replace the sealing of flashboard axis multiplet during ram preventer is overhauled
Circle.Since flashboard sealing is two way seal, medium and the mutual blowby of oil cylinder fluid in well are prevented, rise and protect hydraulic oil from dirt
Contaminate and miss, reduce pump and valve member abrasion etc. and act on, its seal form is divided into two groups, and centre is separated by an interval copper sheathing.
Each oil drill equipment company temporarily without the ripe special instrument that changes the outfit of flashboard shaft seal, is usually replacing flashboard both at home and abroad at present
The main means that Simmer ring is taken are to be acted directly on by machine tools such as crowbars on flashboard axocoel sealing surface, are be easy to cause
There is the defects of kerve, pitting corrosion in flashboard axocoel sealing surface, influences flashboard axis sealing performance.Therefore, in order to ensure flashboard sealing
The quality that changes the outfit of part, ensures that its sealing performance is safe and reliable, and spy devises ram block shaft seal and changes the outfit instrument.
Utility model content
The technical problem to be solved by the utility model is to provide the special instrument that changes the outfit of ram block shaft seal.
To solve the above-mentioned problems, technical solution according to the present utility model, ram block shaft seal is special to change the outfit
Instrument, including main body, fixing nut, screw rod, adjusting nut, retainer ring, pin, telescopic claw, locking nut and guide ring;It is special
Sign is:The left and right side of main body is respectively arranged with through hole one vertically, the lower parts of two screw rods one be each passed through a left side for main body,
Right side through hole one, locks screw rod one by the positive stop lug boss set in fixing nut and screw rod one;The center of main body is along axis
To through hole two is provided with, feather key one is provided with through hole two;Adjusting nut one is threadedly attached in the top of screw rod two;Spiral shell
Two lower part of bar passes through through hole two;The center of screw rod two is axially disposed through hole three, and feather key two is provided with through hole three;Adjust
Nut two is threadedly attached in the top of screw rod three, and the lower part of screw rod three passes through through hole three;The lower part of screw rod three is provided with fixed
Position step, guide ring are set in the lower part of screw rod three;Guide ring by the positioning step that locking nut and three lower part of screw rod are set into
Row is fixed;Via is distributed along the circumference with the outside of guide ring, the top of telescopic claw passes through via, and is followed closely admittedly by retainer ring and the tip
It is scheduled on the lower part of screw rod two.
When the effect of feather key is rotating adjusting nut, screw rod is set to be axially moved.
According to the preferred solution of the special instrument that changes the outfit of ram block shaft seal described in the utility model, on main body top
Portion is circumferentially arranged boss, which is located near through hole two, and the bottom of adjusting nut one stretches out to form step one,
Gland is threadedly attached on boss, and is fixed by step a pair of adjusting nut one.
According to the preferred solution of the special instrument that changes the outfit of ram block shaft seal described in the utility model, screw rod two
Top outer upwardly extends to form groove, and the lower part of adjusting nut two is placed in groove;The bottom of adjusting nut two is to extension
Stretch to form step two, pressure cap is arranged on step two, and adjusting nut two is fixed.
The beneficial effect of the special instrument that changes the outfit of ram block shaft seal described in the utility model is:The utility model
The taking-up stablized using twin-screw drawing structure to flashboard shaft seal, which is loaded, to be replaced, and is solved ram preventer and is being changed the outfit
The problem of easy flashboard axocoel sealing face damage is caused during flashboard shaft seal, it is ensured that the matter that changes the outfit of flashboard shaft seal
Amount, has been effectively ensured the sealing performance of flashboard axis, can be widely applied in oil, gas drilling.
Brief description of the drawings
Fig. 1 is the structure diagram of the special instrument that changes the outfit of ram block shaft seal described in the utility model.
Embodiment
Referring to Fig. 1, the special instrument that changes the outfit of ram block shaft seal, including main body 1, fixing nut 2, screw rod 3a, 3b,
3c, adjusting nut 5a, 5b, retainer ring 6, pin 7, telescopic claw 8, locking nut 11 and guide ring 12;Guide ring 12 is disk, is led
To the via that is provided centrally with of ring 12, the left and right side of main body 1 is respectively arranged with through hole one vertically, under two one 3a of screw rod
Portion is each passed through the left and right side through hole one of main body 1, and the lower part of one 3a of screw rod inserts the side door spiral shell into ram block shaft seal
In hole, one 3a of screw rod is locked by the positive stop lug boss set on one 3a of fixing nut 2 and screw rod;The center of main body 1 is along axis
To through hole two is provided with, one 9a of feather key is provided with through hole two;One 5a of adjusting nut is threadedly attached in two 3b's of screw rod
Top;Two 3b lower parts of screw rod pass through through hole two;The center of two 3b of screw rod is axially disposed through hole three, is provided with and leads in through hole three
To two 9b of key;Two 5b of adjusting nut is threadedly attached in the top of three 3c of screw rod, and the lower part of three 3c of screw rod passes through through hole three;Spiral shell
The lower part of three 3c of bar is provided with positioning step, and guide ring 12 is set in the lower part of three 3c of screw rod;Guide ring 12 is by locking nut 11
The positioning step set with three 3c lower parts of screw rod is fixed;The outside of guide ring 12 is distributed along the circumference with via, telescopic claw 8
Top passes through via, and the lower part of two 3b of screw rod is fixed on by retainer ring 6 and tip nail 7.
In a particular embodiment, circumferentially arranged at the top of main body 1 to have boss, which is located near through hole two, adjusts
The bottom of one 5a of section nut stretches out to form step one, and gland 4, which is threadedly attached in, to be put on boss, and a pair of by step
One 5a of adjusting nut is fixed.The top outer of two 3b of screw rod upwardly extends to form groove, and the lower part of two 5b of adjusting nut is put
Put in groove;The bottom of two 5b of adjusting nut stretches out to form step two, and pressure cap 10 is arranged on step two, to adjusting spiral shell
Two 5b of mother are fixed.
The utility model application method is as follows:
In use, first fixing nut 2 is taken out, the lower part of one 3a of screw rod inserts the side door into ram block shaft seal
In screw hole, one 3a of screw rod is locked by the positive stop lug boss set on one 3a of fixing nut 2 and screw rod;Fix the instrument of changing the outfit
In on side door of blowout preventer.
The operation of flashboard Simmer ring is such as taken out, is specially:
One 5a of turn adjusting nut, makes two 3b of screw rod move forward, telescopic claw 8 is stretched into flashboard axis intracavitary;Turn adjusting nut
Two 5b, make three 3c of screw rod move forward, open telescopic claw 8 by the effect of retainer ring 6 and guide ring 12, it is caught flashboard axocoel
Interior sealing ring;The telescopic claw 8 for catching sealing ring is exited flashboard axocoel by one 5a of turn adjusting nut, completes flashboard Simmer ring
Taking-up acts.
Such as carry out loading the operation of flashboard Simmer ring, be specially:The sealing ring for needing to load is placed in flashboard axis intracavitary;Rotation
Two 5b of dynamic adjusting nut, makes 8 opening diameter of telescopic claw be slightly less than flashboard axocoel straight by the effect of retainer ring 6 and guide ring 12
Footpath;One 5a of turn adjusting nut makes 8 end face of telescopic claw be bonded with sealing ring, and continuing turn adjusting nut one promotes telescopic claw 8
Sealing ring enters flashboard axis intracavitary, completes flashboard Simmer ring loading action.
Claims (3)
1. the special instrument that changes the outfit of ram block shaft seal, including main body (1), fixing nut (2), screw rod (3a, 3b, 3c),
Adjusting nut (5a, 5b), retainer ring (6), pin (7), telescopic claw (8), locking nut (11) and guide ring (12);Its feature exists
In:The left and right side of main body (1) is respectively arranged with through hole one vertically, and the lower part of two screw rods one (3a) is each passed through main body (1)
Left and right side through hole one, screw rod one (3a) is locked by the positive stop lug boss set in fixing nut (2) and screw rod one (3a)
Tightly;The center of main body (1) is axially disposed through hole two, and feather key one (9a) is provided with through hole two;Adjusting nut one (5a)
It is threadedly attached in the top of screw rod two (3b);Screw rod two (3b) lower part passes through through hole two;The center of screw rod two (3b) is along axis
To through hole three is provided with, feather key two (9b) is provided with through hole three;Adjusting nut two (5b) is threadedly attached in screw rod three
The top of (3c), the lower part of screw rod three (3c) pass through through hole three;The lower part of screw rod three (3c) is provided with positioning step, guide ring
(12) it is set in the lower part of screw rod three (3c);The positioning that guide ring (12) is set by locking nut (11) and screw rod three (3c) lower part
Step is fixed;Via is distributed along the circumference with the outside of guide ring (12), the top of telescopic claw (8) passes through via, and passes through
Retainer ring (6) and pin (7) are fixed on the lower part of screw rod two (3b).
2. the special instrument that changes the outfit of ram block shaft seal according to claim 1, it is characterised in that:In main body (1)
Top is circumferentially arranged boss, which is located near through hole two, and the bottom of adjusting nut one (5a) stretches out to be formed
Step one, gland (4) are threadedly attached on boss, and are fixed by step a pair of adjusting nut one (5a).
3. the special instrument that changes the outfit of ram block shaft seal according to claim 1 or 2, it is characterised in that:Screw rod two
The top outer of (3b) upwardly extends to form groove, and the lower part of adjusting nut two (5b) is placed in groove;Adjusting nut two
The bottom of (5b) stretches out to form step two, and pressure cap (10) is arranged on step two, and adjusting nut two (5b) is fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721121526.0U CN207240074U (en) | 2017-09-04 | 2017-09-04 | The special instrument that changes the outfit of ram block shaft seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721121526.0U CN207240074U (en) | 2017-09-04 | 2017-09-04 | The special instrument that changes the outfit of ram block shaft seal |
Publications (1)
Publication Number | Publication Date |
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CN207240074U true CN207240074U (en) | 2018-04-17 |
Family
ID=61885114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721121526.0U Expired - Fee Related CN207240074U (en) | 2017-09-04 | 2017-09-04 | The special instrument that changes the outfit of ram block shaft seal |
Country Status (1)
Country | Link |
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CN (1) | CN207240074U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112059989A (en) * | 2020-09-03 | 2020-12-11 | 北京星际荣耀空间科技有限公司 | Mechanical seal installation tool and turbine pump installation system |
-
2017
- 2017-09-04 CN CN201721121526.0U patent/CN207240074U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112059989A (en) * | 2020-09-03 | 2020-12-11 | 北京星际荣耀空间科技有限公司 | Mechanical seal installation tool and turbine pump installation system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
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: 20180417 Termination date: 20180904 |