CN204703822U - Power cable fishing tool in pit - Google Patents
Power cable fishing tool in pit Download PDFInfo
- Publication number
- CN204703822U CN204703822U CN201520307734.4U CN201520307734U CN204703822U CN 204703822 U CN204703822 U CN 204703822U CN 201520307734 U CN201520307734 U CN 201520307734U CN 204703822 U CN204703822 U CN 204703822U
- Authority
- CN
- China
- Prior art keywords
- hook
- power cable
- fishing tool
- cylindrical shell
- diameter part
- 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
- 230000007704 transition Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 230000008602 contraction Effects 0.000 description 4
- 241000282376 Panthera tigris Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Fishing Rods (AREA)
Abstract
The utility model provides a fishing tool in pit of power cable, including the top connection, the lower extreme of top connection is connected with the barrel, is equipped with top and top connection's outer hook rod in the barrel, is equipped with outer hook tooth on the outer hook rod, is equipped with interior hook tooth on the inner tube wall of barrel, and the inside of top connection is the cavity, and the cavity internal fixation is equipped with the apron coaxial with the top connection, and the lower fixed surface of apron is connected with the spring, and the lower extreme of spring is connected with the upper end of outer hook rod, has seted up a plurality of couples along the axial on the section of thick bamboo wall of barrel. The utility model provides a fishing tool in pit of power cable utilizes to set up the couple on the section of thick bamboo wall of barrel to and use with the cooperation of interior hook tooth on the section of thick bamboo wall and the outer hook tooth on the outer hook rod, can grasp power cable, avoid lifting in-process "giving up", simple structure is effective, through lifting in the pit shaft, transferring fishing tool, as much as possible firmly grasps the cable, has improved the efficiency of salvaging power cable, has reduced and has salvaged number of times and running cost.
Description
Technical field
The utility model belongs to and relates to a kind of power cable underground fishing tool.
Background technology
Submersible electric machine with oil Rodless oil extraction device is being gone into the well and is being risen in well operations process, there is cable to fall well risk, at present, under existing well, cable salvage instrument has: outer hook, interior hook, assembly hook, milling bevel-type recovery hook, hook of living, and these instruments are used for salvaging flexible junk, and efficiency is relatively high, because power cable outermost layer is armour skin, quality is hard, and existing fishing tool is often difficult to efficient salvaging, adds and salvages number of times and expense.
Utility model content
The purpose of this utility model overcomes existing fishing tool to salvage power cable efficiency low, salvages number of times and the high problem of operating cost.
For this reason, the utility model provides a kind of power cable underground fishing tool, comprise top connection, the lower end of top connection is connected with cylindrical shell, outer shank is provided with in cylindrical shell, outer shank is provided with outer hook tooth, the inner tube wall of cylindrical shell is provided with interior hook tooth, the inside of top connection is hollow cavity, hollow cavity internal fixtion is provided with the cover plate coaxial with top connection, the soffit of cover plate is fixedly connected with spring, the lower end of spring is connected with the upper end of outer shank, and spring is when being in elongation state, cylindrical shell outside is extended in the lower end of outer shank, the barrel of cylindrical shell offers multiple hook vertically.
The second reducing diameter part that described hollow cavity is rectangle by the first reducing diameter part that cross section is the upper end of rectangle, cross section is trapezoidal transition part, cross section is rectangle, cross section from top to bottom successively forms, and the diameter of the second reducing diameter part is less than the diameter of the first reducing diameter part, described upper end, transition part, the first reducing diameter part, the second reducing diameter part central axis respectively about top connection is symmetrical.
Described cover plate is positioned at the intersection of transition part and the first reducing diameter part, spring is positioned at the first reducing diameter part, and outer shank is made up of upper connecting rod and lower hook rod, and upper connecting rod is positioned at the first reducing diameter part, and the diameter of upper connecting rod is greater than the diameter of the second reducing diameter part, outer hook tooth is positioned on lower hook rod.
Interior hook tooth is arranged on the inner tube wall of cylindrical shell in the shape of a spiral, and outer hook tooth is positioned on lower hook rod in the shape of a spiral, and when spring is in elongation state, the outer hook tooth being positioned at lower hook rod end is positioned at the outside of cylindrical shell.
Described hook is symmetrical arranged about the central axis of cylindrical shell.
The beneficial effects of the utility model: this power cable underground fishing tool that the utility model provides, utilize and offer hook on the barrel of cylindrical shell, and with inner tube wall in outer hook tooth on hook tooth and outer shank with the use of, the power cable of armouring can be caught, avoid carrying in process and " give up ", structure is simply effective.By put-on and delegated fishing tool in pit shaft, as much as possible cable to be clenched, improve the efficiency of salvaging power cable, decrease and salvage number of times and operating cost.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of power cable underground fishing tool.
Description of reference numerals: 1, top connection; 101, upper end; 102, transition part; 103, the first reducing diameter part; 104, the second reducing diameter part; 2, cover plate; 3, spring; 4, link up with; 5, cylindrical shell; 6, interior hook tooth; 7, outer shank; 701, upper connecting rod; 702, lower hook rod; 8, outer hook tooth.
Detailed description of the invention
embodiment 1:
As shown in Figure 1, the utility model provides a kind of power cable underground fishing tool, comprise top connection 1, the lower end of top connection 1 is connected with cylindrical shell 5, outer shank 7 is provided with in cylindrical shell 5, outer shank 7 is provided with outer hook tooth 8, the inner tube wall of cylindrical shell 5 is provided with interior hook tooth 6, the inside of top connection 1 is hollow cavity, hollow cavity internal fixtion is provided with the cover plate 2 coaxial with top connection 1, the soffit of cover plate 2 is fixedly connected with spring 3, the lower end of spring 3 is connected with the upper end of outer shank 7, and spring 3 is when being in elongation state, cylindrical shell 5 outside is extended in the lower end of outer shank 7, the barrel of cylindrical shell 5 offers vertically multiple hook 4.
Concrete, in salvaging process, first transfer power cable underground fishing tool, first outer shank 7 touches the cable in pit shaft, outside in shank 7 decentralization process, outer shank 7 is subject to cable thrust upwards, Compress Spring 3, fishing tool is carried again, cable section hangs on outer hook tooth 8, now outer shank 7 is subject to the pulling force that in pit shaft, residue cable is downward, spring 3 is opened, outer shank 7 elongates, again transfer fishing tool, outer shank 7 is subject to cable thrust upwards, Compress Spring 3, hang over the cable on outer hook tooth 8 and be squeezed in hook 4 along with the contraction of outer shank 7, pit shaft residue cable is stretched in outer shank 7 bottom, fishing tool is carried again, cable is not easily pulled in hook 4, outer shank 7 is by remaining the downward pulling force of cable in pit shaft, spring 3 is opened, outer shank 7 elongates, outer hook tooth 8 tangles remainder cable in pit shaft, again transfer fishing tool, the partial cables that outer hook tooth 8 tangles is squeezed in first hook 4 from the bottom to top due to the contraction of outer shank 7, and original cable is squeezed in second hook 4 in first hook 4, so repeatedly, can clamp-on in hook 4 by as much as possible for cable, clench cable, finally in pit shaft, power cable underground fishing tool is proposed, complete fishing.
It should be noted that, cover plate 2 is compressed by links such as the oil pipes be connected with top connection 1.
This power cable underground fishing tool that the utility model provides, utilize and offer hook 4 on the barrel of cylindrical shell 5, and with inner tube wall in outer hook tooth 8 on hook tooth 6 and outer shank 7 with the use of, the power cable of armouring can be caught, avoid carrying in process and " give up ", structure is simply effective.By put-on and delegated fishing tool in pit shaft, as much as possible cable to be clenched, improve the efficiency of salvaging power cable, decrease and salvage number of times and operating cost.
embodiment 2:
On the basis of embodiment 1, it should be noted that, the second reducing diameter part 104 that described hollow cavity is rectangle by the first reducing diameter part 103 that cross section is the upper end 101 of rectangle, cross section is trapezoidal transition part 102, cross section is rectangle, cross section from top to bottom successively forms, and the diameter of the second reducing diameter part 104 is less than the diameter of the first reducing diameter part 103, described upper end 101, transition part 102, first reducing diameter part 103, second reducing diameter part 104 central axis respectively about top connection 1 is symmetrical.Described cover plate 2 is positioned at the intersection of transition part 102 and the first reducing diameter part 103, spring 3 is positioned at the first reducing diameter part 103, outer shank 7 is made up of upper connecting rod 701 and lower hook rod 702, upper connecting rod 701 is positioned at the first reducing diameter part 103, and the diameter of upper connecting rod 701 is greater than the diameter of the second reducing diameter part 104, outer hook tooth 8 is positioned on lower hook rod 702.
Concrete, in salvaging process, first transfer power cable underground fishing tool, first outer shank 7 touches the cable in pit shaft, outside in shank 7 decentralization process, outer shank 7 is subject to cable thrust upwards, outer shank 7 moves upward, the upper end of lower hook rod 702 enters the first reducing diameter part 103, the top Compress Spring 3 of upper connecting rod 701, fishing tool is carried again, cable section hangs on outer hook tooth 8, now outer shank 7 is subject to the pulling force that in pit shaft, residue cable is downward, spring 3 is opened, outer shank 7 elongates, again transfer fishing tool, outer shank 7 is subject to cable thrust upwards, outer shank 7 moves upward, the upper end of lower hook rod 702 enters the first reducing diameter part 103, the top Compress Spring 3 of upper connecting rod 701, hang over the cable on outer hook tooth 8 and be squeezed in hook 4 along with the contraction of outer shank 7, pit shaft residue cable is stretched in outer shank 7 bottom, fishing tool is carried again, cable is not easily pulled in hook 4, outer shank 7 is by remaining the downward pulling force of cable in pit shaft, spring 3 is opened, outer shank 7 elongates, outer hook tooth 8 tangles remainder cable in pit shaft, again transfer fishing tool, the partial cables that outer hook tooth 8 tangles is squeezed in first hook 4 from the bottom to top due to the contraction of outer shank 7, and original cable is squeezed in second hook 4 in first hook 4, so repeatedly, can clamp-on in hook 4 by as much as possible for cable, clench cable, finally in pit shaft, power cable underground fishing tool is proposed, complete fishing.
embodiment 3:
On the basis of embodiment 2, especially, interior hook tooth 6 is arranged on the inner tube wall of cylindrical shell 5 in the shape of a spiral, and outer hook tooth 8 is positioned on lower hook rod 702 in the shape of a spiral, and when spring 3 is in elongation state, the outer hook tooth 8 being positioned at lower hook rod 702 end is positioned at the outside of cylindrical shell 5.Hang over the motion of the cable on outer hook tooth 8 along with outer shank 7, hang on hook 4, as auxiliary, interior hook tooth 6 also can hang cable, as much as possiblely cable is linked in hook 4 and interior hook tooth 6, in addition, in order to ensure that cable can enter in hook 4 smoothly, when described spring 3 is in elongation state, the outer hook tooth 8 being positioned at lower hook rod 702 end is positioned at the outside of cylindrical shell 5.
embodiment 4:
On the basis of embodiment 1, it should be noted that, described hook 4 is symmetrical arranged about the central axis of cylindrical shell 5.Be opened in the hook 4 on the barrel of cylindrical shell 5, owing to being symmetrical arranged about the central axis of cylindrical shell 5, therefore, the hook 4 be oppositely arranged forms the opening of tiger mouth shape, when cable will be linked into hook 4 by the outer shank 7 hanging with cable, the opening of tiger mouth shape is opened, and cable is squeezed in opening, finally follow the power cable underground fishing tool that the utility model provides, salvage well.
This power cable underground fishing tool that the utility model provides, utilize and offer hook on the barrel of cylindrical shell, and with inner tube wall in outer hook tooth on hook tooth and outer shank with the use of, the power cable of armouring can be caught, avoid carrying in process and " give up ", structure is simply effective.By put-on and delegated fishing tool in pit shaft, as much as possible cable to be clenched, improve the efficiency of salvaging power cable, decrease and salvage number of times and operating cost.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (5)
1. a power cable underground fishing tool, comprise top connection (1), the lower end of top connection (1) is connected with cylindrical shell (5), outer shank (7) is provided with in cylindrical shell (5), outer shank (7) is provided with outer hook tooth (8), the inner tube wall of cylindrical shell (5) is provided with interior hook tooth (6), it is characterized in that: the inside of top connection (1) is hollow cavity, hollow cavity internal fixtion is provided with the cover plate (2) coaxial with top connection (1), the soffit of cover plate (2) is fixedly connected with spring (3), the lower end of spring (3) is connected with the upper end of outer shank (7), and spring (3) is when being in elongation state, cylindrical shell (5) outside is extended in the lower end of outer shank (7), the barrel of cylindrical shell (5) offers vertically multiple hook (4).
2. a kind of power cable underground fishing tool as claimed in claim 1, it is characterized in that: described hollow cavity is from top to bottom successively by the upper end (101) that cross section is rectangle, cross section is trapezoidal transition part (102), cross section is first reducing diameter part (103) of rectangle, cross section is the second reducing diameter part (104) composition of rectangle, and the diameter of the second reducing diameter part (104) is less than the diameter of the first reducing diameter part (103), described upper end (101), transition part (102), first reducing diameter part (103), the central axis of second reducing diameter part (104) respectively about top connection (1) is symmetrical.
3. a kind of power cable underground fishing tool as claimed in claim 2, it is characterized in that: described cover plate (2) is positioned at the intersection of transition part (102) and the first reducing diameter part (103), spring (3) is positioned at the first reducing diameter part (103), outer shank (7) is made up of upper connecting rod (701) and lower hook rod (702), upper connecting rod (701) is positioned at the first reducing diameter part (103), and the diameter of upper connecting rod (701) is greater than the diameter of the second reducing diameter part (104), outer hook tooth (8) is positioned on lower hook rod (702).
4. a kind of power cable underground fishing tool as claimed in claim 3, it is characterized in that: interior hook tooth (6) is arranged on the inner tube wall of cylindrical shell (5) in the shape of a spiral, outer hook tooth (8) is positioned on lower hook rod (702) in the shape of a spiral, and spring (3) is when being in elongation state, the outer hook tooth (8) being positioned at lower hook rod (702) end is positioned at the outside of cylindrical shell (5).
5. a kind of power cable underground fishing tool as claimed in claim 1, is characterized in that: described hook (4) is symmetrical arranged about the central axis of cylindrical shell (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520307734.4U CN204703822U (en) | 2015-05-14 | 2015-05-14 | Power cable fishing tool in pit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520307734.4U CN204703822U (en) | 2015-05-14 | 2015-05-14 | Power cable fishing tool in pit |
Publications (1)
Publication Number | Publication Date |
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CN204703822U true CN204703822U (en) | 2015-10-14 |
Family
ID=54283447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520307734.4U Expired - Fee Related CN204703822U (en) | 2015-05-14 | 2015-05-14 | Power cable fishing tool in pit |
Country Status (1)
Country | Link |
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CN (1) | CN204703822U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104895519B (en) * | 2015-05-14 | 2017-12-19 | 中国石油天然气股份有限公司 | Power cable fishing tool in pit |
-
2015
- 2015-05-14 CN CN201520307734.4U patent/CN204703822U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104895519B (en) * | 2015-05-14 | 2017-12-19 | 中国石油天然气股份有限公司 | Power cable fishing tool in pit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
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: 20151014 Termination date: 20180514 |