CN104879095B - Oil pumping machine horse head connecting device - Google Patents
Oil pumping machine horse head connecting device Download PDFInfo
- Publication number
- CN104879095B CN104879095B CN201510302997.0A CN201510302997A CN104879095B CN 104879095 B CN104879095 B CN 104879095B CN 201510302997 A CN201510302997 A CN 201510302997A CN 104879095 B CN104879095 B CN 104879095B
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- Prior art keywords
- connecting plate
- screw rod
- shank
- pumping unit
- attachment means
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- 238000005086 pumping Methods 0.000 title claims abstract description 41
- 241001023788 Cyttus traversi Species 0.000 title claims description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000004308 accommodation Effects 0.000 claims description 8
- 239000003129 oil well Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000283074 Equus asinus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The invention provides a horsehead connecting device of a pumping unit, which is used for connecting a first connecting plate and a second connecting plate which are sequentially stacked from top to bottom, and comprises: the connecting pin comprises a pin body and an end cap connected to one end of the pin body, a dismounting threaded hole is formed in the center of the end cap along the axial direction of the pin body, the pin body penetrates through the first connecting plate and the second connecting plate, and the end cap is lapped on the first connecting plate; the pin pulling mechanism comprises a screw rod and a support fixed above the connecting pin, one end of the screw rod penetrates through the support and is screwed in the dismounting threaded hole, the other end of the screw rod extends out of the support and is screwed with a nut, the bottom surface of the nut is abutted against the support and moves in a matched mode through the screw rod and the nut, and the screw rod is driven to move axially along the pin body and drive the pin body to be separated from the first connecting plate and the second connecting plate. The horsehead connecting device of the oil pumping unit provided by the invention has the advantages that the dismounting operation of the connecting pin is simple and convenient, and the time and the labor are saved.
Description
Technical field
The present invention relates to technical field of petroleum extraction, more particularly to a kind of pumping unit horsehead attachment means.
Background technology
The horse head of existing oil pumper is generally symmetrically arranged with two groups of horse head connecting plates in both sides, leads on the walking beam of oil pumper
Set up to have and pass through pin and corresponding walking beam with the one-to-one walking beam connecting plate of two groups of horse head connecting plates, each horse head connecting plate
Connecting plate is connected, and in operation, can lay down the same side pin, makes horse head to lateral turnover so as to avoid horse head from influenceing wellhead maintenance
Operation, but the existing pin used is firmly pounded bottom with sledgehammer when taking out and could taken out, and wastes time and energy, simultaneously because oil well
The increasingly exacerbation of load, oil pumper vibrate, and cause pin bore wear, the phenomenon that pin-and-hole becomes big gradually increases, and uses at present
Latch structure it is extremely simple, easily loosen, pumping unit horsehead can be caused to teetertotter when it loosens, make junction ftracture, sound
The problems such as big.The presence of above-mentioned unsafe factor not only largely have impact on the oil recovery efficiency of oil well, and to oil field
Safety and environmental protection production brings very big difficulty.
The content of the invention
It is an object of the invention to provide pumping unit horsehead attachment means that are a kind of quick detachable, and dismantling time saving and energy saving.
To reach above-mentioned purpose, the invention provides a kind of pumping unit horsehead attachment means, for connect from top to bottom according to
Secondary the first connecting plate and the second connecting plate stacked, the pumping unit horsehead attachment means include：Connecting pin, it include shank and
The end cap of described shank one end is connected to, is axially arranged with dismounting screwed hole along the shank in the center of the end cap, it is described
Shank is overlapped on first connecting plate through first connecting plate and second connecting plate, the end cap；Pull pin
Mechanism, including screw rod and the support being fixed on above the connecting pin, one end of the screw rod through the support and spins
In the dismounting screwed hole, the other end of the screw rod extends the support and is connected with nut, and the bottom surface of the nut is supported
By on the bracket, being moved by the cooperation of the screw rod and the nut, driving axial direction of the screw rod along the shank
Move and drive the shank to depart from first connecting plate and second connecting plate.
Pumping unit horsehead attachment means as described above, wherein, the pumping unit horsehead attachment means also include：Connection
Frame, its side are opened wide, and have accommodation space in the link, first connecting plate and second connecting plate are plugged in institute
State in accommodation space, the upper and lower end face of the link is correspondingly provided with the pin-and-hole run through for the shank, with the connection
Correspond on the relative side of the open side of frame at first connecting plate and second connecting plate and be provided with locking screw pit, respectively
The outside lock-screw screwed in from the link is connected with the locking screw pit, and corresponds to first connecting plate
The lock-screw be resisted against along perpendicular to the axial direction of the shank on the end face of first connecting plate, corresponding to institute
The lock-screw for stating the second connecting plate is resisted against the end of second connecting plate along the axial direction perpendicular to the shank
On face.
Pumping unit horsehead attachment means as described above, wherein, the link is the rectangular frame that side is opened wide.
Pumping unit horsehead attachment means as described above, wherein, first connecting plate is the horse head being arranged on horse head
Connecting plate, second connecting plate are the walking beam connecting plate being arranged on walking beam；Or first connecting plate is to be arranged on trip
Walking beam connecting plate on beam, second connecting plate are the horse head connecting plate being arranged on horse head.
Pumping unit horsehead attachment means as described above, wherein, the support is inverted U shape.
Pumping unit horsehead attachment means as described above, wherein, the other end of the shank is provided with chamfering.
Pumping unit horsehead attachment means as described above, wherein, the other end of the screw rod is provided with rotary handle, by turning
The dynamic rotary handle drives the screw rod to screw in the dismounting screwed hole.
Pumping unit horsehead attachment means as described above, wherein, the other end of the screw rod is in provided with radially projecting
The fin of regular polygon.
Pumping unit horsehead attachment means as described above, wherein, the nut be hex nut, the fin for it is described
Nut size identical regular hexagon.
Pumping unit horsehead attachment means as described above, wherein, the center line and the shank of the dismounting screwed hole
Axis collinear.
Compared with prior art, advantages of the present invention is as follows：
Pumping unit horsehead attachment means provided by the invention, pass through the axially arranged dismounting spiral shell on connecting pin along its shank
Pit, and pulling-out mechanism is set up, when needing dismantling connection pin, the screw rod of pulling-out mechanism is screwed in into dismounting screwed hole, by turning
It is dynamic to be screwed in screw rod and be resisted against the nut on support, make axial movement of the screw rod along shank and drive connecting pin to depart from horse head to connect
Fishplate bar and walking beam connecting plate, so that the operation of dismantling connection pin is pounded without sledgehammer, and it is simple and convenient, it is time saving and energy saving；In addition, even
The setting of frame and lock-screw is connect, limits the transverse direction of horse head connecting plate and walking beam connecting plate between shank and lock-screw
The free degree, i.e. horse head connecting plate and walking beam connecting plate are unable to transverse shakiness, so that oil machine horse head can not rock, and then reduce
The risk of horse head and walking beam junction cracking, while noise when reducing oil pumper work, ensure that the oil recovery effect of oil well
Rate, and reduce the difficulty of oilfield safety environmental protection production.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation for the pumping unit horsehead attachment means that one embodiment of the invention provides；
Fig. 2 is structural representation of the horse head attachment means during pulling pin shown in Fig. 1；
Fig. 3 is the structural representation of connecting pin in horse head attachment means shown in Fig. 1；
Fig. 4 is the structural representation of pulling-out mechanism in horse head attachment means shown in Fig. 1；
Fig. 5 is the structural representation of link in horse head attachment means shown in Fig. 1.
Drawing reference numeral explanation：
1- connecting pins；11- shanks；111- chamferings；12- ends cap；121- dismantles screwed hole；2- supports；3- screw rods；31- is convex
Rib；4- nuts；5- links；51- pin-and-holes；52- locking screw pits；53- accommodation spaces；6- lock-screws；7- horse head connecting plates；
8- walking beam connecting plates.
Embodiment
In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the brief description of the drawings present invention
Embodiment.
It can rotate clockwise or rotate counterclockwise hereinafter to rotate forward, as long as screw rod can be made upward
It is mobile to extract connecting pin.
As shown in figure 1, pumping unit horsehead attachment means provided by the invention, for connecting from top to bottom stack successively the
One connecting plate and the second connecting plate, pumping unit horsehead attachment means include：Connecting pin 1 and pulling-out mechanism, wherein, as shown in figure 3,
Connecting pin 1 includes shank 11 and is connected to the end cap 12 of the one end of shank 11, central being axially arranged with along shank 11 of cap 12 at end
Screwed hole 121 is dismantled, shank 11 is overlapped on the first connecting plate through the first connecting plate and the second connecting plate, end cap 12；Such as
Shown in Fig. 4, pulling-out mechanism includes screw rod 3 and is fixed on the support 2 of the top of connecting pin 1, one end of screw rod 3 through support 2 simultaneously
Dismounting screwed hole 121 is rotatably connected in, the other end of screw rod 3 extends support 2 and is connected with nut 4, and the bottom surface of nut 4 is resisted against branch
On frame 2, moved by the cooperation of screw rod 3 and nut 4, axial movement of the drive screw 3 along shank 11 simultaneously drives shank 11 to depart from
First connecting plate and the second connecting plate, specifically, when dismantling connection pin 1, as shown in Fig. 2 pressing down on simultaneously rotary screw 3
It is screwed in dismounting screwed hole 121, and the bottom surface of nut 4 is resisted against on support 2, wherein, end can be increased by pressing down on screw rod 3
Frictional force between the connecting plate of cap 12 and first, so as to limit the rotational freedom of end cap 12 so that screw rod 3 can successfully revolve
Enter to dismantle in screwed hole 121, and support 2 provides a support force for nut 4, while limit nut 4 and move down the free degree, spiral shell
After bar 3 screws in dismounting screwed hole 121, nut 4 is rotated forward, with the rotation of nut 4, axial direction of the screw rod 3 along shank 11 moves up,
Shank 11 departs from the first connecting plate and the second connecting plate with moving up for screw rod 3, you can the disassembling section of connecting pin 1 is completed, so as to
So that dismantling connection pin 1 is operated and pounded without sledgehammer, and it is simple and convenient, it is time saving and energy saving.
Alternatively, the first connecting plate is the horse head connecting plate 7 being arranged on horse head, and the second connecting plate is to be arranged on walking beam
Walking beam connecting plate 8；Or first connecting plate be the walking beam connecting plate 8 being arranged on walking beam, the second connecting plate is is arranged on donkey
Horse head connecting plate 7 on head.Hereinafter, the first connecting plate is horse head connecting plate 7, and the second connecting plate is walking beam connecting plate 8, and
The through hole run through for shank 11 is equipped with horse head connecting plate 7 and walking beam connecting plate 8.
Further, become big because wearing to solve the through hole of horse head connecting plate 7 and walking beam connecting plate 8, cause pin easily to loosen,
Cause pumping unit horsehead to teetertotter, make junction cracking, the problems such as sound is big, as shown in Figure 1, Figure 2 with shown in Fig. 5, in the present invention
A preferred embodiment in, pumping unit horsehead attachment means also include：Link 5, its side are opened wide, and are had in link 5
Accommodation space 53, horse head connecting plate 7 and walking beam connecting plate 8 are plugged in accommodation space 53, and the upper and lower end face of link 5 is corresponding
Provided with the pin-and-hole 51 run through for shank 11, correspond on the side relative with the open side of link 5 horse head connecting plate 7 and
Locking screw pit 52 is provided with walking beam connecting plate 8, the outside locking screwed in from link 5 is connected with each locking screw pit 52
Screw 6, and it is resisted against horse head connecting plate 7 along the axial direction perpendicular to shank 11 corresponding to the lock-screw 6 of horse head connecting plate 7
End face on, be resisted against walking beam connecting plate along the axial direction perpendicular to shank 11 corresponding to the lock-screw 6 of walking beam connecting plate 8
On 8 end face so that horse head connecting plate 7 and walking beam connecting plate 8 are brought into close contact with shank 11, so as to limit horse head connecting plate 7
With the laterally free degree of walking beam connecting plate 8 so that horse head connecting plate 7 and walking beam connecting plate 8 are unable to transverse shakiness, so that oily
Machine horse head can not rock, and then reduce the risk of horse head and walking beam junction cracking, while reduce when oil pumper works
Noise, ensure that the oil recovery efficiency of oil well, and reduce the difficulty of oilfield safety environmental protection production；When needing dismantling connection pin 1,
Support 2 is placed on the upper surface of link 5, screwed in screw rod 3 in dismounting screwed hole 121 using instrument, by screw rod 3 with connecting
Pin 1 links into an integrated entity, because lock-screw 6 causes horse head connecting plate 7 and walking beam connecting plate 8 to be brought into close contact with shank 11,
While limiting horse head connecting plate 7 and walking beam connecting plate 8 laterally free and spend, the rotational freedom of shank 11 is limited, from
And enable screw rod 3 easily to screw in dismounting screwed hole 121 and link into an integrated entity with connecting pin 1, then screw out lock-screw 6
Locking screw pit 52, finally rotated using instrument and be resisted against nut 4 on support 2, with the rotation of nut 4, screw rod 3 is along shank
11 axial direction moves up, and shank 11 departs from horse head connecting plate 7 and walking beam connecting plate 8 with moving up for screw rod 3, so as to complete connecting pin 1
Dismounting.
Alternatively, link 5 is the rectangular frame that side is opened wide, i.e., link 5 is in the U-shaped structure of side, the U-shaped of side
Simple in construction, easy processing shaping, cost is low, is easily installed and dismantles, and certainly, is not considering the situation of cost and weight demands
Under, link 5 can also be the rectangular housing that only side is unlimited, or half elliptic housing etc..
Alternatively, support 2 is inverted U shape, and inverted U-shaped structure not only has good support performance, and simple in construction,
Easy processing is molded, and is easy to pick and place.
Alternatively, as shown in figure 3, the other end of shank 11 is provided with chamfering 111, the setting of chamfering 111 enables connecting pin 1
Enough easier pin-and-holes 51 inserted on link 5 simultaneously run through horse head connecting plate 7 and walking beam connecting plate 8, so that connecting pin 1
Installation become simple and convenient.
In a specific embodiment of the present embodiment, in order that screw rod 3 screws in the side simple to operate of dismounting screwed hole 121
Just, time saving and energy saving, the other end of screw rod 3 is provided with rotary handle, drives screw rod 3 to rotate screw-in dismounting spiral shell by rotating rotary handle
In pit 121, so that screw rod 3 easier can be connected by operating personnel with dismounting screwed hole 121.
In another specific embodiment of the present embodiment, it is provided with the other end of screw rod 3 radially projecting in just more
The fin 31 of side shape, fin 31 can be used cooperatively with instruments such as spanners, so that operating personnel can be easier by screw rod 3
Screw in dismounting screwed hole 121.
Further, nut 4 is hex nut, fin 31 be with the size identical regular hexagon of nut 4, so, using
Instrument (such as：Spanner) by screw rod 3 screw in dismounting screwed hole 121 after, without change instrument or adjustment instrument i.e. can be used should
Instrument rotating nut 4, so as to save replacing instrument or adjust the time of instrument.
Alternatively, axis collinear of the center line with shank 11 of screwed hole 121 is dismantled, in such manner, it is possible to make screw rod 3 along shank
11 axial movement simultaneously drives shank 11 more smoothly to depart from horse head connecting plate 7 and walking beam connecting plate 8, so that dismounting connects
It is more time saving and energy saving that pin 1 operates.
The specific mistake of the installation of pumping unit horsehead attachment means and dismounting provided by the invention is illustrated below in conjunction with the accompanying drawings
Journey：
When in use, as shown in figure 1, horse head connecting plate 7 and walking beam connecting plate 8 are from top to bottom first sequentially inserted into link
In 5 accommodation space 53, and the through hole on horse head connecting plate 7 and walking beam connecting plate 8 is set to be connected with the pin-and-hole 51 on link 5
Interface channel is formed, then shank 11 is inserted in interface channel, and end cap 12 is overlapped on the upper surface of link 5, will
Link 5, horse head connecting plate 7 and walking beam connecting plate 8 link into an integrated entity, then by corresponding to the lock-screw 6 of horse head connecting plate 7
It is resisted against along the axial direction perpendicular to shank 11 on the end face of horse head connecting plate 7, corresponding to the lock-screw of walking beam connecting plate 8
6 are resisted against on the end face of walking beam connecting plate 8 along the axial direction perpendicular to shank 11 so that horse head connecting plate 7 connects with walking beam
Plate 8 is brought into close contact with shank 11, so as to limit the laterally free degree of horse head connecting plate 7 and walking beam connecting plate 8 so that horse head connects
Fishplate bar 7 and walking beam connecting plate 8 are unable to transverse shakiness, so as to complete the connection of horse head connecting plate 7 and walking beam connecting plate 8, work as connection
Passage is because when long-term use abrasion becomes big, need to only screw lock-screw 6 can ensure horse head connecting plate 7 and walking beam connecting plate
8 are brought into close contact with shank 11；
As shown in Fig. 2 when needing dismantling connection pin 1, support 2 is placed on the upper surface of link 5, uses instrument
Screw rod 3 is screwed in dismounting screwed hole 121, screw rod 3 and connecting pin 1 are linked into an integrated entity, certainly, can also be revolved in lock-screw 6
It is next, just support 2 is placed on the upper surface of link 5, and one end of screw rod 3 is screwed in into dismounting screwed hole using instrument
In 121, screw rod 3 and connecting pin 1 are linked into an integrated entity, due to lock-screw 6 cause horse head connecting plate 7 and walking beam connecting plate 8 with
Shank 11 is brought into close contact, limit horse head connecting plate 7 and walking beam connecting plate 8 it is laterally free spend while, limit shank
11 rotational freedom, linked into an integrated entity so that screw rod 3 can easily screw in dismounting screwed hole 121 with connecting pin 1, so
Lock-screw 6 is screwed out into locking screw pit 52 afterwards, the nut 4 being resisted against on support 2 is finally rotated using instrument, due to support 2
A support force is provided for nut 4, while limits nut 4 and moves down the free degree, therefore, with the rotation of nut 4, screw rod 3
Moved up along the axial direction of shank 11, shank 11 departs from horse head connecting plate 7 and walking beam connecting plate 8 with moving up for screw rod 3, so as to the company of completion
The dismounting of pin 1.
It should be noted that the horse head in oil pumper is generally symmetrically arranged with two groups of horse head connecting plates 7 in both sides, pumping
Be typically provided with the walking beam of machine with the one-to-one walking beam connecting plate 8 of two groups of horse head connecting plates 7, in order to avoid in operation, because
The setting of link 5 causes horse head to be unable to lateral turnover, occurs so as to influence the situation of wellhead maintenance operation, only need to be positioned at one
Two groups of horse head connecting plates 7 of side connect dress with walking beam connecting plate 8 using the pumping unit horsehead provided by the invention with link 5
Put connection, opposite side uses the connecting pin 1 with dismounting screwed hole 121 to connect, and during dismounting, need to only dismantle with the He of link 5
The pumping unit horsehead attachment means of lock-screw 6 so that horse head can lateral turnover, so as to avoid horse head influence well head dimension
Repair operation.
In summary, pumping unit horsehead attachment means provided by the invention, pass through the axial direction on connecting pin along its shank
Dismounting screwed hole is set, and sets up pulling-out mechanism, when needing dismantling connection pin, the screw rod of pulling-out mechanism is screwed in into dismounting screw thread
Hole, it is screwed in screw rod by rotating and is resisted against the nut on support, makes axial movement of the screw rod along shank and drive connecting pin
Depart from horse head connecting plate and walking beam connecting plate, so that the operation of dismantling connection pin is pounded without sledgehammer, and simple and convenient, time saving province
Power；In addition, the setting of link and lock-screw, limits horse head connecting plate and walking beam between shank and lock-screw and connects
The free degree of fishplate bar, i.e. horse head connecting plate and walking beam connecting plate can not rock, so that oil machine horse head can not teetertotter, enter
And the risk of horse head and walking beam junction cracking is reduced, while noise when oil pumper works is reduced, it ensure that oil well
Oil recovery efficiency, and reduce the difficulty of oilfield safety environmental protection production.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
One of ordinary skill in the art, made equivalent variations are with repairing on the premise of the design of the present invention and principle is not departed from
Change, the scope of protection of the invention all should be belonged to.
Claims (9)
- A kind of 1. pumping unit horsehead attachment means, for connecting the first connecting plate from top to bottom stacked successively and the second connection Plate, it is characterised in that the pumping unit horsehead attachment means include：Connecting pin, it includes shank and is connected to the end cap of described shank one end, in the central along the shank of the end cap It is axially arranged with dismounting screwed hole, the shank overlaps through first connecting plate and second connecting plate, the end cap On first connecting plate；Pulling-out mechanism, including screw rod and the support that is fixed on above the connecting pin, one end of the screw rod is through the branch Frame is simultaneously rotatably connected in the dismounting screwed hole, and the other end of the screw rod extends the support and is connected with nut, the nut Bottom surface against on the bracket, moved by the cooperation of the screw rod and the nut, drive the screw rod along the pin The axial movement of body simultaneously drives the shank to depart from first connecting plate and second connecting plate；The pumping unit horsehead attachment means also include：Link, its side are opened wide, and have accommodation space, first connecting plate and second connecting plate in the link Be plugged in the accommodation space, the upper and lower end face of the link is correspondingly provided with the pin-and-hole run through for the shank, with Correspond on the relative side of the open side of the link and locking is provided with first connecting plate and second connecting plate Screwed hole, the outside lock-screw screwed in from the link is connected with each locking screw pit, and corresponding to described The lock-screw of first connecting plate is resisted against the end face of first connecting plate along the axial direction perpendicular to the shank On, it is resisted against described second along the axial direction perpendicular to the shank corresponding to the lock-screw of second connecting plate On the end face of connecting plate.
- 2. pumping unit horsehead attachment means according to claim 1, it is characterised in thatThe link is the rectangular frame that side is opened wide.
- 3. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatFirst connecting plate is the horse head connecting plate being arranged on horse head, and second connecting plate is the trip being arranged on walking beam Beam connecting plate；Or first connecting plate is the walking beam connecting plate being arranged on walking beam, second connecting plate is to be arranged on Horse head connecting plate on horse head.
- 4. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatThe support is inverted U shape.
- 5. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatThe other end of the shank is provided with chamfering.
- 6. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatThe other end of the screw rod is provided with rotary handle, drives the screw rod to screw in the dismounting by rotating the rotary handle Screwed hole.
- 7. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatThe other end of the screw rod is provided with the radially projecting fin in regular polygon.
- 8. pumping unit horsehead attachment means according to claim 7, it is characterised in thatThe nut is hex nut, and the fin is and the nut size identical regular hexagon.
- 9. pumping unit horsehead attachment means according to claim 1 or 2, it is characterised in thatThe axis collinear of the center line and the shank of the dismounting screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302997.0A CN104879095B (en) | 2015-06-04 | 2015-06-04 | Oil pumping machine horse head connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302997.0A CN104879095B (en) | 2015-06-04 | 2015-06-04 | Oil pumping machine horse head connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879095A CN104879095A (en) | 2015-09-02 |
| CN104879095B true CN104879095B (en) | 2018-01-05 |
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ID=53946746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510302997.0A Active CN104879095B (en) | 2015-06-04 | 2015-06-04 | Oil pumping machine horse head connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879095B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387029B (en) * | 2017-07-21 | 2019-12-27 | 中国石油化工股份有限公司华北油气分公司采气二厂 | Oil pumping unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339631Y (en) * | 2008-12-01 | 2009-11-04 | 陈家平 | Screw thread type pin |
| CN202510468U (en) * | 2012-04-28 | 2012-10-31 | 中国石油天然气股份有限公司 | Safety device for horsehead pin of oil pumping unit |
| CN203394461U (en) * | 2013-07-31 | 2014-01-15 | 中国石油集团渤海石油装备制造有限公司 | Connecting locking device of pumping unit beam and connecting rod |
| CN204344667U (en) * | 2014-11-21 | 2015-05-20 | 中国石油天然气股份有限公司 | Horse head pin fixing device |
| CN204804783U (en) * | 2015-06-04 | 2015-11-25 | 中国石油天然气股份有限公司 | Oil pumping machine horse head connecting device |
-
2015
- 2015-06-04 CN CN201510302997.0A patent/CN104879095B/en active Active
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| CN104879095A (en) | 2015-09-02 |
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