CN102322235A - Multifunctional oil fishing, cutting, blocking and clamping device - Google Patents
Multifunctional oil fishing, cutting, blocking and clamping device Download PDFInfo
- Publication number
- CN102322235A CN102322235A CN201110293531A CN201110293531A CN102322235A CN 102322235 A CN102322235 A CN 102322235A CN 201110293531 A CN201110293531 A CN 201110293531A CN 201110293531 A CN201110293531 A CN 201110293531A CN 102322235 A CN102322235 A CN 102322235A
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- flashboard
- chucking
- shearing
- cutting
- cutting knife
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Abstract
The invention discloses a multifunctional oil fishing, cutting, blocking and clamping device. The device comprises a pressure relief channel, a clamping device and a cutting-off device which are sequentially connected into a whole, wherein the clamping device comprises a clamping gate of a steel wire rope; the cutting-off device comprises a steel wire rope cutting-off gate and a cutting valve seat matched with the cutting-off gate; the clamping surface of the clamping gate is provided with a sharp bulge; the cutting-off gate consists of a gate and a cutter; and the cutter is made of high-speed die steel. The strength and toughness of the cutter are improved, and manufacturing cost is saved; meanwhile, the clamping gate can tightly clamp the steel wire rope. One side of the pressure relief channel is provided with a pressure relief outlet and a pressure relief valve, and the pressure relief valve can be opened to relieve pressure when underground pressure is high, so that small accidents can be removed in time, and quick pressure relief and production recovery can be realized after a large accident occurs.
Description
Technical field
The present invention relates to oil field equipment, be specifically related to oilfield downhole operation oil dredge shearing shutoff gripping mechanism.
Background technology
Along with the continuity of oil field development time, low-voltage and low-yield oil well oil salvage operation well is cumulative many next day, compares with conventional pumping unit, and these drag for oily equipment and have that consumes energy is few, stripper well oil recovery efficiency advantages of higher.But, therefore, bring out blowout in the oil salvage operation easily owing to drag for the particularity (drive swab through wire rope, carry out oil salvage operation) of oil construction suction.At present, in order to prevent the generation of this type accident, on the well head that drags for oil, all can be equipped with the cut-out wire rope, chucking wire rope of well blowout preventing, realize the device of shutoff then.
Find that in use this device exists following defective: the one, the cutting knife in the shearing device is the overall structure of identical material with cutting off flashboard, if use high-strength materials; Will certainly increase manufacturing cost; If use general material, then low, the very easily damage of the cutting hardness of blade, the cut-out flashboard after the damage can only be made waste product and handle; Cause waste equally, increase the cost expenditure of enterprise; The 2nd, after wire rope is cut off, need gripping mechanism to hold wire rope tightly, but because the face of holding tightly of existing gripping mechanism mostly is smooth surface, and therefore, clamping force is little, wire rope skid easily, even loose or dislocation, causes trouble to follow-up work; The 3rd, conventional device does not have the pressure release outlet, and after accident took place, wait down-hole pressure that can only be passive was steady, and then the beginning operation, has influenced operating efficiency.
Summary of the invention
The technical problem that the present invention will solve provides a kind of oil dredge shearing shutoff chucking multi-function device, and not only cutting knife intensity is high, and it is convenient to change, and the chucking face of chucking flashboard is non-smooth surface, and clamping force is big, simultaneously after accident takes place, and the ability quick pressure releasing.
The present invention realizes through following technical scheme:
A kind of oil dredge shearing shutoff chucking multi-function device; Comprise the pressure release passage, gripping mechanism, the shearing device that connect as one successively; Said gripping mechanism comprises the chucking flashboard of wire rope, said shearing device comprise wire rope cut off flashboard, with the shearing valve seat that the cut-out flashboard cooperates, the chucking face of said chucking flashboard is provided with sharp protrusion; Said cut-out flashboard is made up of flashboard and cutting knife, and cutting knife is welded in flashboard or cutting knife is fixed on flashboard through bolt.
The further improvement project of the present invention is that said sharp protrusion protrudes from chucking face 1-3 millimeter.Sharp protrusion tilts to this end that is provided with shearing device, and the angle between the chucking face is the 30-50 degree.
The present invention further improvement project is that the cut-out flashboard is provided with the cutting knife slot, connects firmly through bolt in the cutting knife handle of a knife insertion slot.Said cutting knife adopts high speed mould steel to process.
The further improvement project of the present invention is, pressure release passage one side is provided with the pressure release outlet, and said pressure release outlet is provided with pressure relief valve.
The present invention compared with prior art has following obvious advantage:
One, the present invention is because cut-out flashboard and cutting knife in the shearing device are assembly structure, and therefore, flashboard and cutting knife can adopt number of various materials respectively, have both improved the intensity and the toughness of cutting knife, have prolonged the application life of cutting knife, have practiced thrift manufacturing cost again.
Two, the present invention is provided with sharp projection owing to tighten the chucking face of flashboard, and sharp protrusion is to this end inclination of shearing device, therefore; When the chucking wire rope; Sharp end can insert in the wire rope surface, by the sharp end upward pressure, can wire rope tightly be blocked.
Three, the present invention is provided with the pressure release outlet in draining passage one side, and is provided with pressure relief valve, when down-hole pressure is high, can open the pressure relief valve pressure release, both can get rid of some minor accidents in good time, can after major break down, realize quick pressure releasing, resume production again.
Description of drawings
Fig. 1 is the axial cross-sectional schematic of the present invention (dragging for oily duty).
Fig. 2 is chucking flashboard A direction sketch map.
Fig. 3 is for cutting off flashboard enlarged diagram (flashboard and cutting knife are welded in one).
Fig. 4 is for cutting off flashboard enlarged diagram (flashboard and cutting knife are connected in one through bolt).
The specific embodiment
Embodiment 1
As shown in Figure 1; The present invention includes the draining passage 1, gripping mechanism 2, the shearing device 3 that connect as one successively; Said gripping mechanism 2 comprises the chucking flashboard 5 of wire rope 4, and said shearing device 3 comprises the cut-out flashboard 6 of wire rope 4, the shearing valve seat 7 that cooperates with cut-out flashboard 6.
Like Fig. 1, shown in 2, the chucking face of said chucking flashboard 5 is provided with sharp protrusion 8, and said sharp protrusion 8 protrudes from 2 millimeters in chucking face, and sharp protrusion 8 tilts to this end that is provided with shearing device 3, and the angle between the chucking face is 45 degree.
Like Fig. 1, shown in 3, said cut-out flashboard 6 is made up of flashboard 61 and cutting knife 62, and cutting knife 62 is welded in flashboard 61.Said cutting knife 62 adopts high speed mould steel to process.
As shown in Figure 1, draining passage 1 one sides are provided with pressure release outlet 11, and said pressure release outlet 11 is provided with pressure relief valve 12.
When having an accident; Rotate the screw mandrel 9 of chucking flashboard 5 both sides, make two chucking flashboards 5 to wire rope near, until blocking, rotate the screw mandrel 10 that cuts off flashboard 6 one sides simultaneously; Promote to cut off flashboard 6 to wire rope near, until wire rope is cut off, its blade touches in shearing valve seat 7.
Embodiment 2
Like Fig. 1, shown in 4, said cut-out flashboard 6 is made up of flashboard 61 and cutting knife 62, cuts off flashboard 6 and is provided with cutting knife slot 64, and cutting knife handle of a knife 65 inserts in the slot 64 and connects firmly through bolt 63.
Said cutting knife 62 adopts high speed mould steel to process.
All the other are implemented like embodiment 1.
Claims (6)
1. an oil dredge shearing shutoff tightens multi-function device; Comprise the pressure release passage, gripping mechanism, the shearing device that connect as one successively; Said gripping mechanism comprises the chucking flashboard of wire rope, said shearing device comprise wire rope cut off flashboard, with the shearing valve seat that the cut-out flashboard cooperates, it is characterized in that: the chucking face of said chucking flashboard is provided with sharp protrusion; Said cut-out flashboard is made up of flashboard and cutting knife, and cutting knife is welded in flashboard or cutting knife is fixed on flashboard through bolt.
2. a kind of oil dredge shearing shutoff chucking multi-function device as claimed in claim 1, it is characterized in that: said sharp protrusion protrudes from chucking face 1-3 millimeter.
3. according to claim 1 or claim 2 a kind of oil dredge shearing shutoff chucking multi-function device, it is characterized in that: sharp protrusion tilts to this end that is provided with shearing device, and the angle between the chucking face is the 30-50 degree.
4. a kind of oil dredge shearing shutoff chucking multi-function device as claimed in claim 1, it is characterized in that: cut off flashboard and be provided with the cutting knife slot, the cutting knife handle of a knife inserts in the slot and connects firmly through bolt.
5. like claim 1 or 4 described a kind of oil dredge shearing shutoff chucking multi-function devices, it is characterized in that: said cutting knife adopts high speed mould steel to process.
6. a kind of oil dredge shearing shutoff chucking multi-function device as claimed in claim 1, it is characterized in that: pressure release passage one side is provided with the pressure release outlet, and said pressure release outlet is provided with pressure relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293531A CN102322235A (en) | 2011-09-28 | 2011-09-28 | Multifunctional oil fishing, cutting, blocking and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293531A CN102322235A (en) | 2011-09-28 | 2011-09-28 | Multifunctional oil fishing, cutting, blocking and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322235A true CN102322235A (en) | 2012-01-18 |
Family
ID=45450053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110293531A Pending CN102322235A (en) | 2011-09-28 | 2011-09-28 | Multifunctional oil fishing, cutting, blocking and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322235A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916909A (en) * | 2016-10-09 | 2018-04-17 | 中国石油天然气股份有限公司 | Baffle oil drain device |
| CN112249371A (en) * | 2020-10-30 | 2021-01-22 | 北京空间飞行器总体设计部 | Return capsule pressure release hole plugging device |
| CN116181270A (en) * | 2021-11-26 | 2023-05-30 | 中国石油天然气股份有限公司 | Hydraulic sealing control device for steel wire rope |
-
2011
- 2011-09-28 CN CN201110293531A patent/CN102322235A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916909A (en) * | 2016-10-09 | 2018-04-17 | 中国石油天然气股份有限公司 | Baffle oil drain device |
| CN107916909B (en) * | 2016-10-09 | 2020-06-09 | 中国石油天然气股份有限公司 | Baffle oil drain device |
| CN112249371A (en) * | 2020-10-30 | 2021-01-22 | 北京空间飞行器总体设计部 | Return capsule pressure release hole plugging device |
| CN116181270A (en) * | 2021-11-26 | 2023-05-30 | 中国石油天然气股份有限公司 | Hydraulic sealing control device for steel wire rope |
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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: 20120118 |