CN106704330B - Self-locking horse head pin device - Google Patents
Self-locking horse head pin device Download PDFInfo
- Publication number
- CN106704330B CN106704330B CN201611039652.1A CN201611039652A CN106704330B CN 106704330 B CN106704330 B CN 106704330B CN 201611039652 A CN201611039652 A CN 201611039652A CN 106704330 B CN106704330 B CN 106704330B
- Authority
- CN
- China
- Prior art keywords
- locking
- horse head
- self
- lock core
- shank
- 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.)
- Active
Links
- 241001023788 Cyttus traversi Species 0.000 title claims abstract description 39
- 238000005086 pumping Methods 0.000 description 6
- 241001331845 Equus asinus x caballus Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention provides a kind of self-locking horse head pin device, the self-locking horse head pin device includes: shank boss (1)；Shank (2)；Slideway (3)；Lock core room (4)；It bores tail (5)；Open slot (6)；It locks connecting rod (7)；Lock core (8)；Locking nut (9)；Spring washer (10) is constituted.It is connected according to structure matching relationship, constitutes a self-locking horse head pin device.Pin hole and shank gap is adjusted in the present invention, always tensioner pin hole, can avoid pin bore wear and generates vibration.
Description
Technical field
The present invention relates to oil recovery fields, and in particular to the component that the walking beam of oil-field oil pumper is connect with horse head, i.e. one kind are certainly
Lock horse head pin device.
Background technique
Horse head pin of pumping unit device is the component connected for beam pumping unit walking beam with horse head.
Pumping unit at work, since horse head bears stress alternation, cause walking beam and horse head connecting pin bores and mule head pin it
Between generate abrasion, occur it is spacious dynamic, junction issue crash when crash the sound worked as, deviate from pin, horse head cracking causes safe thing
Therefore.
In conclusion following problems exist in the prior art: mule head pin is easy to be detached from between horse head connecting pin bores, causes
Safety accident.
Summary of the invention
The present invention provides a kind of self-locking horse head pin device, is easy to take off between horse head connecting pin bores to solve mule head pin
From, cause the problem of safety accident.
For this purpose, the present invention proposes that a kind of self-locking horse head pin device, the self-locking horse head pin device include:
Shank；
The shank boss being connected at the top of the shank；
Open slot is arranged in the lateral of the shank and stretches out the top of the shank boss from bottom to up；
Lock core room is arranged in the open slot and is located at the bottom of the open slot；The lock core room, which has, is located at institute
State the inner wall on the inside of open slot；
The slideway for tilting extension from top to bottom is arranged in the open slot and by the inner wall of the lock core room；It is described
The axis of slideway and shank intersects angle a, and a is greater than 0 degree, less than 45 degree；
Locking nut is arranged in the top of the shank boss and is fastened on the top of open slot；
The lock core that can be slided along the slideway is arranged in the lock core room and is fixedly connected with the locking nut, leads to
Tightening for the locking nut is crossed, the lock core is along the slideway upward sliding, while the lateral surface of the lock core is radially stretched
The open slot tensioner horse head connecting pin bores out.
Further, the open slot is straight trough.
Further, the angle a is 8 degree to 12 degree.
Further, the lock core is closing piece.
Further, the lateral surface of closing piece is arc surface.
Further, the lock core connects the locking nut by locking connecting rod, and the top of the locking connecting rod is equipped with
External screw thread.
Further, the slideway is plane.
Further, the slideway is cylindrical surface.
Further, the diameter of the lateral surface of the closing piece is identical as the diameter of the shank.
Further, the locking connecting rod is round bar, and the bore of the locking connecting rod is less than the depth of the open slot.
Lock core is sent into lock core room and shank is packed into pin hole together, rotates clockwise locking nut, band movable lock core is along slideway
It moves up, axial tension becomes lateral thrust, and lock core is made to stretch out the clearance of overflow pin hole.Therefore, lock core tensioner pin hole always, can
Pin bore wear is avoided to generate vibration.
The configuration of the present invention is simple, compact, required component only provide simple machining, and cost is relatively low, substantially reduces
Cost pumping unit horsehead installation and used.
Detailed description of the invention
Fig. 1 is the schematic perspective view of self-locking horse head pin device of the invention；
Fig. 2 is the schematic cross-sectional view of self-locking horse head pin device main view direction of the invention.
Drawing reference numeral explanation:
1, shank boss；
2, shank；
3, slideway；
4, lock core room；
5, tail is bored；
6, open slot；
7, connecting rod is locked；
8, lock core；
9, locking nut；
10, spring washer
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
It is bright.
As depicted in figs. 1 and 2, self-locking horse head pin device of the invention includes:
Shank 2, it is for example, cylindrical, for being inserted into horse head connecting pin bores；
It is connected to the shank boss 1 at 2 top of shank, for example, diameter is used for greater than the rotary table of horse head connecting pin bores
Block horse head connecting pin bores (abbreviation pin hole)；
Cone tail 5 (tail portion of taper) positioned at 2 bottom of shank, to be oriented to；
Open slot 6 is arranged in the lateral of the shank 2 and stretches out the top of the shank boss 1 from bottom to up, to provide
The mobile space of lock core 8；
Lock core room 4 is arranged in the open slot 6 and is located at the bottom of the open slot 6, for accommodating lock core 8；It is described
Lock core room has the inner wall for being located at 6 inside of open slot；I.e. lock core room has the inner wall being open far from open slot 6, Huo Zhesuo
Core room has the inner wall being open in face of open slot 6, and the outside (close to the outer surface of shank 2) of lock core room 4 is penetrating, i.e. lock core
The outside of room 4 is the bottom opening of open slot；
The slideway 3 for tilting extension from top to bottom is arranged in the open slot 6 and (remote by the inner wall of the lock core room 4
Outer surface from shank 2)；The axis of the slideway 3 and shank 2 intersects angle a, and a is greater than 0 degree, less than 45 degree；
Locking nut 9 is arranged in the top of the shank boss 1 and is fastened on the top of open slot 6；It can be along the slideway
The lock core 8 of 3 slidings is arranged in the lock core room 4 and is fixedly connected with the locking nut 9, passes through the locking nut 9
It tightens, the lock core 8 is along 3 upward sliding of slideway, while the lateral surface of the lock core 8 extends radially the open slot 6
Tensioner horse head connecting pin bores.
Further, the open slot 6 is straight trough, easy to process, convenient for the linear movement of lock core 8.
Further, the angle a be 8 degree to 12 degree, with obtain the suitable tensioner degree of lock core 8 with undertake reasonably by
Power.Angle a is, for example, 10 degree, has preferable tensioner degree and stressed effect.
Further, the lock core 8 is closing piece, to process.
Further, the lateral surface of closing piece is arc surface, to cooperate with pin hole.The medial surface of closing piece is identical as slideway
The plane or curved surface of gradient.Further, the diameter of the lateral surface of the closing piece is identical as the diameter of the shank 2, to realize
With the tight fit of pin hole.
Further, the lock core 8 connects the locking nut 9 by locking connecting rod 7, to realize strong connection, institute
The top for stating locking connecting rod 7 is equipped with external screw thread, to cooperate with locking nut 9, for damping and locking, on locking connecting rod 7
It is arranged with spring washer 10.
Further, the slideway 3 is plane, so as to clamping.
Further, the slideway 3 is cylindrical surface or circular conical surface, to process.
Further, the locking connecting rod 7 is round bar, and the bore of the locking connecting rod 7 is less than the depth of the open slot 6
Degree.Open slot 6 is extended laterally during the adjustment to avoid locking connecting rod 7, with pin bore wear.
The present invention is able to solve existing oil pumping machine mule head pin at work, the abrasion increasing of the spacious dynamic, shank of generation and pin hole,
Be simultaneously emitted by crash when crash work as sound the problem of.After the device of the invention, pin hole and shank gap is adjusted, always tensioner
Pin hole can avoid pin bore wear and generate vibration.
The configuration of the present invention is simple, compact, required component only provide simple machining, and cost is relatively low, substantially reduces
Cost pumping unit horsehead installation and used.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.For this
Each component part of invention can be combined with each other under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent changes and modifications, should belong to the scope of protection of the invention under the premise of the conceptions and principles of invention.
Claims (10)
1. a kind of self-locking horse head pin device, which is characterized in that the self-locking horse head pin device includes:
Shank (2)；
The shank boss (1) being connected at the top of the shank (2)；
The top for stretching out the shank boss (1) in the lateral of the shank (2) and from bottom to up is arranged in open slot (6)；
Lock core room (4) is arranged in the open slot (6) and is located at the bottom of the open slot (6)；The lock core room has position
Inner wall on the inside of the open slot (6)；
The slideway (3) of extension is tilted from top to bottom, is arranged in the open slot (6) and by the inner wall of the lock core room (4)；
The axis of the slideway (3) and shank (2) intersects angle a, and a is greater than 0 degree, less than 45 degree；
Locking nut (9) is arranged the top in the shank boss (1) and is fastened on the top of open slot (6)；
The lock core (8) that can be slided along the slideway (3) is arranged in the lock core room (4) and fixed with the locking nut (9)
Connection, by tightening for the locking nut (9), the lock core (8) is along the slideway (3) upward sliding, while the lock core
(8) lateral surface extends radially the open slot (6) tensioner horse head connecting pin bores；
The lock core (8) connects the locking nut (9), the lock core (8) and the locking connecting rod by locking connecting rod (7)
(7) be integrally formed connection.
2. self-locking horse head pin device as described in claim 1, which is characterized in that the open slot (6) is straight trough.
3. self-locking horse head pin device as described in claim 1, which is characterized in that the angle a is 8 degree to 12 degree.
4. self-locking horse head pin device as described in claim 1, which is characterized in that the lock core (8) is closing piece.
5. self-locking horse head pin device as claimed in claim 4, which is characterized in that the lateral surface of closing piece is arc surface.
6. self-locking horse head pin device as described in claim 1, which is characterized in that set at the top of the locking connecting rod (7)
There is external screw thread.
7. self-locking horse head pin device as described in claim 1, which is characterized in that the slideway (3) is plane.
8. self-locking horse head pin device as described in claim 1, which is characterized in that the slideway (3) is cylindrical surface.
9. self-locking horse head pin device as claimed in claim 5, which is characterized in that the shank (2) is cylinder, described
The diameter of the lateral surface of closing piece is identical as the outer dia of the shank (2).
10. self-locking horse head pin device as claimed in claim 6, which is characterized in that the locking connecting rod (7) is round bar,
The outer diameter of locking connecting rod (7) is less than the depth of the open slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039652.1A CN106704330B (en) | 2016-11-11 | 2016-11-11 | Self-locking horse head pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039652.1A CN106704330B (en) | 2016-11-11 | 2016-11-11 | Self-locking horse head pin device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704330A CN106704330A (en) | 2017-05-24 |
| CN106704330B true CN106704330B (en) | 2019-07-09 |
Family
ID=58940377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611039652.1A Active CN106704330B (en) | 2016-11-11 | 2016-11-11 | Self-locking horse head pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704330B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853018B (en) * | 2019-04-28 | 2022-03-29 | 中国石油天然气股份有限公司 | Donkey head pin and tensioning method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB168773A (en) * | 1920-08-20 | 1921-09-15 | Thaddeus Leon Euclid Haug | Improvements in bolts |
| CN2171719Y (en) * | 1993-08-07 | 1994-07-13 | 陈振兴 | Quick dismounting eccentric fixed bolt |
| CA2472873A1 (en) * | 2003-08-12 | 2005-02-12 | Jim J. Berna | Fastener with key way and locking piece |
| CN201281064Y (en) * | 2008-11-03 | 2009-07-29 | 张卫 | Wedge-type expansion screw |
| CN102434566A (en) * | 2011-11-15 | 2012-05-02 | 张更生 | Anti-shock and anti-dropping self-locking bolt |
| CN203627473U (en) * | 2013-11-29 | 2014-06-04 | 董立新 | Internal expanding horse head pin for pumping unit |
| CN104895888A (en) * | 2015-05-26 | 2015-09-09 | 中国石油天然气股份有限公司 | Horsehead connecting pin |
| CN206309727U (en) * | 2016-11-11 | 2017-07-07 | 中国石油天然气股份有限公司 | Self-locking horse head pin device |
-
2016
- 2016-11-11 CN CN201611039652.1A patent/CN106704330B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB168773A (en) * | 1920-08-20 | 1921-09-15 | Thaddeus Leon Euclid Haug | Improvements in bolts |
| CN2171719Y (en) * | 1993-08-07 | 1994-07-13 | 陈振兴 | Quick dismounting eccentric fixed bolt |
| CA2472873A1 (en) * | 2003-08-12 | 2005-02-12 | Jim J. Berna | Fastener with key way and locking piece |
| CN201281064Y (en) * | 2008-11-03 | 2009-07-29 | 张卫 | Wedge-type expansion screw |
| CN102434566A (en) * | 2011-11-15 | 2012-05-02 | 张更生 | Anti-shock and anti-dropping self-locking bolt |
| CN203627473U (en) * | 2013-11-29 | 2014-06-04 | 董立新 | Internal expanding horse head pin for pumping unit |
| CN104895888A (en) * | 2015-05-26 | 2015-09-09 | 中国石油天然气股份有限公司 | Horsehead connecting pin |
| CN206309727U (en) * | 2016-11-11 | 2017-07-07 | 中国石油天然气股份有限公司 | Self-locking horse head pin device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704330A (en) | 2017-05-24 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant |