CN109594932A - A kind of oil field tube rod anti-dropping device - Google Patents
A kind of oil field tube rod anti-dropping device Download PDFInfo
- Publication number
- CN109594932A CN109594932A CN201910090107.2A CN201910090107A CN109594932A CN 109594932 A CN109594932 A CN 109594932A CN 201910090107 A CN201910090107 A CN 201910090107A CN 109594932 A CN109594932 A CN 109594932A
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- China
- Prior art keywords
- connector
- dropping device
- jackshaft
- oil field
- sliding block
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention discloses a kind of oil field tube rod anti-dropping device, is related to oil recovery machiner technical field, and primary structure includes the first connector, jackshaft, sliding block, the second connector, outer sleeve and bearing；First connector and the sucker rod on top connect, second connector and the sucker rod of lower part connect, first connector lower part connects jackshaft, second connector top connects outer sleeve, one sliding block of activity setting between jackshaft and outer sleeve, it is connected between jackshaft and sliding block by reverse thread, it is connected between sliding block and the second connector by heteromorphic teeth, when sucker rod rotates forward, transmitting torque is connected by heteromorphic teeth between sliding block and the second connector, when sucker rod rotates backward, it is rotated between sliding block and jackshaft along reverse thread, make sliding block uplink to make the heteromorphic teeth between sliding block and the second connector separate, to discharge the torque on sucker rod.
Description
Technical field
The present invention relates to oil recovery machiner technical fields, more particularly to a kind of oil field tube rod anti-dropping device.
Background technique
Sucker rod is the slender rod piece of rod-pumped well, connects polished rod on it, under connect the effect that oil pumping pumps up transmitting power, oil pumping
Bar needs to connect a lot of other components at work, and wherein tube rod anti-dropping device in oil field is essential, oil field tube rod anti-dropping device
For eliminating the radial torque of sucker rod, pumping rod disengaging is prevented.
Current oil field tube rod anti-dropping device fastness is inadequate, and the connecting portion of anti-dropping device and connector only has single spiral shell mostly
Line connection structure is easy to loosen after working long hours, and screw thread can loosen backward, lacks position-limit mechanism, and lack lubricating arrangement,
So that junction is easy corrosion after working long hours, intensity is caused to decline.
Therefore, a kind of new oil field tube rod anti-dropping device is needed.
Summary of the invention
In order to solve the above technical problems, the present invention provides that a kind of structure is simple, oil field tube rod anti-dropping device of good anti-drop effect.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of oil field tube rod anti-dropping device, including the first connector, jackshaft, sliding block, the second connector, outer sleeve
And bearing；
First connector is tubular connector, and first connecting portion is provided in first inner nosepiece wall, and described first connects
Socket part top with the sucker rod on the oil field tube rod anti-dropping device top for being connected；
The jackshaft top is provided with the second connecting portion matched with the first connecting portion, the first connecting portion
It is cooperatively connected with the second connecting portion, the jackshaft bottom end is provided with the first reverse thread, setting in the middle part of the jackshaft
There is a bearing fixed part, the bearing is set on the bearing fixed part；
The sliding block is movably set between the jackshaft and second connector；The sliding block top is provided with one
One groove, is provided with the second reverse thread matched with first reverse thread on first groove inner wall, and described
One reverse thread is slidably connected with second reverse thread；The sliding block bottom end is provided with the first torque tooth；
Second nipple tip is provided with the second torque tooth matched with the first torque tooth, first torque
Tooth and the second torque tooth are cooperatively connected；Third interconnecting piece is provided in the middle part of second connector；Second connector bottom end
It is provided with the 4th interconnecting piece, the 4th interconnecting piece with the sucker rod of the oil field tube rod anti-dropping device lower part for being connected；
The outer sleeve is to have to cover bottomless cylindrical body, is provided with first through hole on the lid of the outer sleeve；The housing
The 5th interconnecting piece to match with the third interconnecting piece, the third interconnecting piece and the described 5th are provided in cylinder lower inner wall
Interconnecting piece is cooperatively connected；
The top of the jackshaft is connected after running through the first through hole with first connector.
Optionally, the first connecting portion and the 5th interconnecting piece are internal screw thread, the second connecting portion, described
Three interconnecting pieces and the 4th interconnecting piece are external screw thread.
Optionally, the first torque tooth and the second torque tooth are the heteromorphic teeth of radially centripetal extension, described
The two sides of heteromorphic teeth are located at one of circumference diametrically, and the top of the heteromorphic teeth is arc-shaped or scarf structure.
Optionally, the first oil groove is provided at the top of the jackshaft；First oil groove bottom is provided with the first oilhole；Institute
State the side wall that the first oilhole runs through first oil groove.
Optionally, the first sponge block is provided in first oil groove.
Optionally, the second oil groove is provided at the top of second connector；Second oil groove bottom is provided with the second oilhole；
Second oilhole runs through the side wall of second oil groove.
Optionally, the second sponge block is provided in second oil groove.
Optionally, the bearing is radial thrust bearing.
Optionally, friction block is provided on the sliding block outer wall.
Optionally, the friction block is PE wear-resistant block or polyethylene blocks.
The present invention achieves following technical effect compared with the existing technology:
Oil field tube rod anti-dropping device primary structure in the present invention includes the first connector, jackshaft, sliding block, the second connector, outer
Sleeve and bearing；First connector and the sucker rod on top connect, and the sucker rod of the second connector and lower part connects, the first connector lower part
Jackshaft is connected, the second connector top connects outer sleeve, one sliding block of activity setting, jackshaft and cunning between jackshaft and outer sleeve
It is connected between block by reverse thread, is connected between sliding block and the second connector by heteromorphic teeth, it is sliding when sucker rod rotates forward
Transmitting torque, when sucker rod rotates backward, edge between sliding block and jackshaft are connected by heteromorphic teeth between block and the second connector
Reverse thread rotation makes sliding block uplink to make the heteromorphic teeth between sliding block and the second connector separate, to discharge on sucker rod
Torque.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of tube rod anti-dropping device in oil field of the present invention；
Fig. 2 is the first viewing angle constructions schematic diagram of sliding block in tube rod anti-dropping device in oil field of the present invention；
Fig. 3 is the second viewing angle constructions schematic diagram of sliding block in tube rod anti-dropping device in oil field of the present invention；
Fig. 4 is the structural schematic diagram of the second connector in tube rod anti-dropping device in oil field of the present invention.
Description of symbols: 1, the first connector；2, the first oil groove；3, the first oilhole；4, jackshaft；5, bearing；6, sliding block；
7, friction block；8, the second connector；9, outer sleeve；10, the second oilhole；11, the second oil groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figure 1, the present embodiment provides a kind of oil field tube rod anti-dropping device, including the first connector 1, jackshaft 4, sliding block 6,
Second connector 8, outer sleeve 9 and bearing 5；First connector 1 is tubular connector, and the is provided on 1 inner wall of the first connector
One interconnecting piece, the first connecting portion top with the sucker rod on the oil field tube rod anti-dropping device top for being connected；In described
Between 4 top of axis be provided with the second connecting portion matched with the first connecting portion, the first connecting portion and described second connects
Socket part is cooperatively connected, and 4 bottom end of jackshaft is provided with the first reverse thread, and it is solid that a bearing 5 is provided in the middle part of the jackshaft 4
Determine portion, the bearing 5 is set on 5 fixed part of bearing；The sliding block 6 is movably set in the jackshaft 4 and described the
Between two connectors 8；6 top of sliding block is provided with one first groove, is provided on first groove inner wall and described first
The second reverse thread that reverse thread matches, first reverse thread are slidably connected with second reverse thread；It is described
6 bottom end of sliding block is provided with the first torque tooth；Second connector, 8 top is provided with second matched with the first torque tooth
Torque tooth, the first torque tooth and the second torque tooth are cooperatively connected；Third connection is provided in the middle part of second connector 8
Portion；Second connector, 8 bottom end is provided with the 4th interconnecting piece, the 4th interconnecting piece be used for under the oil field tube rod anti-dropping device
The sucker rod in portion is connected；The outer sleeve 9 is to have to cover bottomless cylindrical body, and it is logical that first is provided on the lid of the outer sleeve 9
Hole；The 5th interconnecting piece to match with the third interconnecting piece, the third connection are provided in 9 lower inner wall of outer sleeve
Portion and the 5th interconnecting piece are cooperatively connected；The top of the jackshaft 4 run through the first through hole after with first connector 1
It is connected.
In this specific embodiment, as shown in Figs 1-4, the first connecting portion and the 5th interconnecting piece are interior spiral shell
Line, the second connecting portion, the third interconnecting piece and the 4th interconnecting piece are external screw thread.
The first torque tooth and the second torque tooth are the heteromorphic teeth of radially centripetal extension, the heteromorphic teeth
Two sides are located at one of circumference diametrically, and the top of the heteromorphic teeth is arc-shaped structure.
The first oil groove 2 is provided at the top of the jackshaft 4；First oil groove, 2 bottom is provided with the first oilhole 3；It is described
First oilhole 3 runs through the side wall of first oil groove 2；The first sponge block is provided in first oil groove 2.
The second oil groove 11 is provided at the top of second connector 8；Second oil groove, 11 bottom is provided with the second oilhole 10；
Second oilhole 10 runs through the side wall of second oil groove 11；The second sponge block is provided in second oil groove 11.
The bearing 5 is radial thrust bearing 5.
Friction block 7 is provided on 6 outer wall of sliding block；The friction block 7 is PE wear-resistant block.
By injecting lubricating oil into the first oil groove 2 and the second oil groove 11, lubricating oil passes through the first oilhole 3 and the second oilhole
10 flow to each interconnecting piece, and all helicitic textures and bearing 5 is kept to obtain sufficiently lasting lubrication, while avoiding helicitic texture raw
Rust, to ensure the reliability of oil field tube rod anti-dropping device.
Before assembly, it is put into sponge block into the first oil groove 2 and the second oil groove 11, lubricating oil is injected into sponge blocks, utilize sea
The suction-operated of continuous block saves lubricating oil.
In use, the first connector 1 and the sucker rod on top are connected through a screw thread, by the oil pumping of the second connector 8 and lower part
Bar is connected through a screw thread.When sucker rod normally rotates, sliding block 6 under the action of the first reverse thread and the second reverse thread to
Lower movement is mutually twisted the first torque tooth with the second torque tooth, to complete power transmitting, is transmitted to ground driving torque
Screw pump；When sucker rod rotates backward, sliding block 6 moves upwards under the action of the first reverse thread and the second reverse thread,
Disengage the first torque tooth with the second torque tooth, the sucker rod on top is synchronous with the first connector 1, jackshaft 4, sliding block 6 to be turned
Dynamic, the sucker rod of lower part and the second connector 8, outer sleeve 9 rotate synchronously, outer sleeve 9 and jackshaft 4 due to jackshaft 4 hold every
From relatively independent rotation being able to maintain, to discharge the torque between sucker rod.When upper sucker rod normal rotation again,
It is moved downward under the action of the first reverse thread and the second reverse thread, stings the first torque tooth again with the second torque tooth
It closes, to continue to transmit power.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of oil field tube rod anti-dropping device, which is characterized in that including the first connector, jackshaft, sliding block, the second connector, outer sleeve
And bearing；
First connector is tubular connector, is provided with first connecting portion, the first connecting portion in first inner nosepiece wall
Top with the sucker rod on the oil field tube rod anti-dropping device top for being connected；
The jackshaft top is provided with the second connecting portion matched with the first connecting portion, the first connecting portion and institute
Second connecting portion mating connection is stated, the jackshaft bottom end is provided with the first reverse thread, is provided with one in the middle part of the jackshaft
Bearing fixed part, the bearing are set on the bearing fixed part；
The sliding block is movably set between the jackshaft and second connector；It is recessed that the sliding block top is provided with one first
Slot is provided with the second reverse thread matched with first reverse thread on first groove inner wall, and described first is anti-
It is slidably connected to screw thread and second reverse thread；The sliding block bottom end is provided with the first torque tooth；
Second nipple tip is provided with the second torque tooth matched with the first torque tooth, the first torque tooth with
The second torque tooth is cooperatively connected；Third interconnecting piece is provided in the middle part of second connector；The setting of second connector bottom end
There is the 4th interconnecting piece, the 4th interconnecting piece with the sucker rod of the oil field tube rod anti-dropping device lower part for being connected；
The outer sleeve is to have to cover bottomless cylindrical body, is provided with first through hole on the lid of the outer sleeve；Under the outer sleeve
The 5th interconnecting piece to match with the third interconnecting piece is provided on portion's inner wall, the third interconnecting piece is connect with the described 5th
Portion is cooperatively connected；
The top of the jackshaft is connected after running through the first through hole with first connector.
2. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that the first connecting portion and the described 5th connects
Socket part is internal screw thread, and the second connecting portion, the third interconnecting piece and the 4th interconnecting piece are external screw thread.
3. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that the first torque tooth and described second is turned round
Square tooth is the heteromorphic teeth of radially centripetal extension, and the two sides of the heteromorphic teeth are located at one of circumference diametrically, described
The top of heteromorphic teeth is arc-shaped or scarf structure.
4. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that be provided with the first oil at the top of the jackshaft
Slot；First oil groove bottom is provided with the first oilhole；First oilhole runs through the side wall of first oil groove.
5. tube rod anti-dropping device in oil field according to claim 4, which is characterized in that be provided with the first sea in first oil groove
Continuous block.
6. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that be provided with second at the top of second connector
Oil groove；Second oil groove bottom is provided with the second oilhole；Second oilhole runs through the side wall of second oil groove.
7. tube rod anti-dropping device in oil field according to claim 6, which is characterized in that be provided with the second sea in second oil groove
Continuous block.
8. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that the bearing is radial thrust bearing.
9. tube rod anti-dropping device in oil field according to claim 1, which is characterized in that be provided with friction on the sliding block outer wall
Block.
10. tube rod anti-dropping device in oil field according to claim 9, which is characterized in that the friction block is PE wear-resistant block or gathers
Ethylene block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090107.2A CN109594932B (en) | 2019-01-30 | 2019-01-30 | Oil field pipe pole anticreep ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090107.2A CN109594932B (en) | 2019-01-30 | 2019-01-30 | Oil field pipe pole anticreep ware |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109594932A true CN109594932A (en) | 2019-04-09 |
| CN109594932B CN109594932B (en) | 2022-05-17 |
Family
ID=65966922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910090107.2A Active CN109594932B (en) | 2019-01-30 | 2019-01-30 | Oil field pipe pole anticreep ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109594932B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528754A (en) * | 1976-03-18 | 1978-10-18 | Exploration & Prod Serv Ltd | Catches |
| CN2697300Y (en) * | 2003-12-31 | 2005-05-04 | 汪晶 | Shock-damping dropping resisting device for sucker rod |
| CN201284626Y (en) * | 2008-11-12 | 2009-08-05 | 北京市瑞德石油新技术公司 | Sliding block type anti-releasing device for sucker rod |
| CN203925320U (en) * | 2014-06-17 | 2014-11-05 | 济源市石油机械有限公司 | Automatic clutch Anti-releasing device for sucker rod |
| CN104141459A (en) * | 2014-06-17 | 2014-11-12 | 济源市石油机械有限公司 | Automatic clutch sucker rod separation prevention device |
| CN205025372U (en) * | 2015-10-15 | 2016-02-10 | 杨凤 | Sucker rod anticreep rotary joint |
-
2019
- 2019-01-30 CN CN201910090107.2A patent/CN109594932B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528754A (en) * | 1976-03-18 | 1978-10-18 | Exploration & Prod Serv Ltd | Catches |
| CN2697300Y (en) * | 2003-12-31 | 2005-05-04 | 汪晶 | Shock-damping dropping resisting device for sucker rod |
| CN201284626Y (en) * | 2008-11-12 | 2009-08-05 | 北京市瑞德石油新技术公司 | Sliding block type anti-releasing device for sucker rod |
| CN203925320U (en) * | 2014-06-17 | 2014-11-05 | 济源市石油机械有限公司 | Automatic clutch Anti-releasing device for sucker rod |
| CN104141459A (en) * | 2014-06-17 | 2014-11-12 | 济源市石油机械有限公司 | Automatic clutch sucker rod separation prevention device |
| CN205025372U (en) * | 2015-10-15 | 2016-02-10 | 杨凤 | Sucker rod anticreep rotary joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109594932B (en) | 2022-05-17 |
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Effective date of registration: 20220425 Address after: No.29 Zhenxing Road, Zhenwu Industrial Park, Jiangdu District, Yangzhou City, Jiangsu Province 225000 Applicant after: YANGZHOU YOUTIAN JINDA INDUSTRIAL Co.,Ltd. Address before: 163000 Room 401, gate 3, No. 1-29, Wanbao community, heat source street, Sartu District, Daqing City, Heilongjiang Province Applicant before: Bian Hongli |
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