CN107387029B - Oil pumping unit - Google Patents
Oil pumping unit Download PDFInfo
- Publication number
- CN107387029B CN107387029B CN201710601493.8A CN201710601493A CN107387029B CN 107387029 B CN107387029 B CN 107387029B CN 201710601493 A CN201710601493 A CN 201710601493A CN 107387029 B CN107387029 B CN 107387029B
- Authority
- CN
- China
- Prior art keywords
- mounting
- pumping unit
- connecting seat
- walking beam
- seat
- 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.)
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Links
- 238000005086 pumping Methods 0.000 title claims abstract description 31
- 241001023788 Cyttus traversi Species 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000283074 Equus asinus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to an oil pumping unit. The horsehead of the pumping unit is connected with the walking beam through the connecting seat, the connecting seat is provided with the mounting cavity, the end part of the walking beam is inserted and fixed in the mounting cavity, and the upper mounting surface and the lower mounting surface of the mounting seat of the horsehead are fixed on the outer side surface of the connecting seat, so that the upper part and the lower part of the mounting seat of the horsehead are connected together through the connecting seat, when the horsehead is vibrated, the vibration of the connecting structures at the two parts can be synchronous, the stress balance of the connecting structures at the two parts is ensured, and the problem of looseness caused by uneven stress of the connecting structures is solved.
Description
Technical Field
The invention relates to an oil pumping unit.
Background
At present, the horse head and the walking beam of most pumping units are directly and fixedly connected through bolts, for example, a walking beam type pumping unit disclosed in the Chinese patent with the application number of 201320603131.X, the walking beam type pumping unit comprises a walking beam and a horse head, the middle part of the walking beam is hinged and connected on a frame of the pumping unit, one end of the walking beam is connected with a power device, the other end of the walking beam is provided with the horse head, the upper mounting surface and the lower mounting surface of a mounting seat of the horse head are directly attached to the upper side surface and the lower side surface of the walking beam and are fastened through bolts, the walking beam often generates regular vibration in the swinging process, because the two connecting structures are mutually independent, the vibration of the upper connecting structure and the lower connecting structure is asynchronous in the vibration process, the two connecting structures are stressed unevenly to generate adverse effects on the bolts, the bolts are deformed or even broken after the bolts reach a certain degree of mechanical fatigue, so that the horse head cannot be, especially in some oil exploitation places with unstable environmental conditions, the horsehead can aggravate the unbalanced stress condition of the connecting part between the horsehead and the walking beam due to the influence of wind, finally, the connecting bolt between the horsehead and the walking beam is deformed due to uneven stress, the damage of the screw is directly aggravated, the horsehead is loosened or even falls off on the walking beam, and serious safety accidents are caused.
Disclosure of Invention
The invention aims to provide an oil pumping unit, which solves the problem that the joint of a walking beam and a horse head of the existing oil pumping unit is easy to loosen.
In order to achieve the purpose, the oil pumping unit adopts the following technical scheme:
the technical scheme 1: beam-pumping unit, including walking beam and horse head, its characterized in that: the upper mounting surface and the lower mounting surface of the mounting seat of the horse head are fixed on the outer side surface of the connecting seat.
Technical solution 2, on the basis of technical solution 1: the tip of trip beam sets firmly the mounting panel that stretches to both sides overhang, and the tip of trip beam passes through the mounting panel to be connected with the connecting seat, the mounting surface of the mounting panel, horse head and the fastener of connecting seat through the mounting surface that passes mounting panel, horse head's mounting seat in proper order and connecting seat are connected.
Technical solution 3, on the basis of technical solution 2: the installation cavity of the connecting seat is rectangular.
Technical solution 4, on the basis of technical solution 3: the both sides of connecting seat are equipped with the overhanging portion of outside overhang, the overhanging portion passes through the connecting piece with the side that the horse head corresponds and is connected.
Technical solution 5, on the basis of technical solution 4: the overhanging part is arranged at the position where the connecting seat is connected with the mounting seat of the horse head.
Technical solution 6, on the basis of technical solution 5: two groups of overhanging parts are oppositely arranged up and down, and the two groups of overhanging parts are connected with the corresponding side surfaces of the horse head through connecting pieces.
Technical solution 7 is the one according to any one of technical solution 4 ~ 6, wherein the connecting member is connected to the overhanging portion through an adjustable connecting mechanism.
Technical scheme 8 is that on the basis of any one of technical scheme 4 ~ 6, the adjustable connecting mechanism is a threaded adjusting mechanism.
According to the technical scheme 9, on the basis of any one of the technical scheme 4 ~ 6, the connecting piece is a steel wire rope.
Technical solution 10 is the one according to any one of technical solution 4 ~ 6, wherein the overhanging portion is integrally provided with the connecting seat.
The invention has the beneficial effects that: the horsehead of the pumping unit is connected with the walking beam through the connecting seat, the connecting seat is provided with the mounting cavity, the end part of the walking beam is inserted and fixed in the mounting cavity, and the upper mounting surface and the lower mounting surface of the mounting seat of the horsehead are fixed on the outer side surface of the connecting seat, so that the upper part and the lower part of the mounting seat of the horsehead are connected together through the connecting seat, when the horsehead is vibrated, the vibration of the connecting structures at the two parts can be synchronous, the stress balance of the connecting structures at the two parts is ensured, and the problem of looseness caused by uneven stress of the connecting structures is solved.
Drawings
Fig. 1 is a schematic structural view of a walking beam and a horse head in an embodiment 1 of the pumping unit of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is an enlarged view at B in FIG. 3;
in the drawings: 1. a connecting seat; 2. a walking beam; 3. a donkey head; 11. an overhanging portion; 12. a wire rope; 13. adjusting the bolt; 14. a fastener; 21. mounting a plate; 31. and (7) mounting a seat.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the pumping unit of the present invention, as shown in fig. 1 to 4, the pumping unit includes a walking beam 2, a horse head 3, and a connecting seat 1, wherein the connecting seat 1 is a rectangular square tube structure, and a square inner cavity of the square tube forms an installation cavity of the connecting seat 1. The connection end of the horse head 3 for being connected with the walking beam 2 is provided with a mounting seat 31, the walking beam 2 is provided with a mounting plate 21 which is overhung outwards, and the number of the mounting plates 21 is four and is symmetrically arranged relative to the center line of the walking beam. The installation end of walking beam is deep into the installation cavity of connecting seat, four mounting panels of installation end department are in the bight position department of the installation cavity of connecting seat, the side laminating that four mounting panels are close to both sides simultaneously is on the lateral wall face that the installation cavity of connecting seat corresponds, mount pad 31 of horse head 3 has two relative installation faces from top to bottom, two installation face laminating are on the upper and lower side of connecting seat, the installation face sets up in the inside and outside of the installation cavity of connecting seat with the mounting panel of the tip of walking beam relatively, the installation face, the position department that corresponds on connecting seat and the mounting panel all is equipped with the mounting hole, fastener 14 wears the dress in the mounting hole with the connecting seat, mounting panel and mount pad fastening together, fastener 14 is the bolt in this embodiment, the fastening bolt is double thread. The head of each bolt sets up downwards, and the bolt can be in the mounting hole all the time under the effect of gravity like this to prevent preliminarily that the tip of mount pad, connecting seat and walking beam from taking place relative slip.
The outside of four bights of connecting seat is equipped with four overhanging portion 11 that outwards overhang, overhanging portion sets up the position department of being connected at the connecting seat with the mount pad of horse head promptly, be connected through wire rope 12 between the side that each overhanging portion 11 and horse head correspond, wire rope 12 constitutes the connecting piece between the side of overhanging portion and horse head, wire rope's both ends are all connected with horse head or overhanging portion through adjusting bolt 13, when bolted connection, adjusting bolt's fastening force is with adjustable wire rope's tensioning force, thereby realize the regulation of wire rope's elasticity, make four wire rope's elasticity unanimous, avoid the horse head to produce the uneven condition of atress, four symmetrical wire rope at this moment form the horse head other support except that the connecting seat, strengthen the intensity of being connected between horse head and the horse head. The overhanging part is of a plate-shaped structure and is arranged integrally with the connecting seat, namely the connecting seat and the overhanging part are integrally formed parts, so that the structural strength is high.
The horse head of beam-pumping unit passes through the connecting seat and is connected the back with the walking beam, the upper and lower installation face two of the mount pad of horse head links together through the connecting seat, when receiving the vibration, the synchronous atress of two connection structure, two connection structure atress equilibrium has been guaranteed, avoided producing not hard up problem because of the atress is uneven, the cooperation area between connecting seat and mount pad and the walking beam after connecting through the connecting seat is very big, avoid producing the indentation, produce stress concentration's problem, connecting seat and extension are steel, all be equipped with the antirust coat on the surface.
In embodiment 2 of the pumping unit of the present invention, in this embodiment, the connecting plate at the mounting end of the walking beam is attached to the inner wall surface of the mounting cavity of the connecting seat, but the side surface of the connecting plate and the side wall of the mounting cavity are arranged at intervals, and the rest is the same as that in embodiment 1, and thus, description is omitted.
In embodiment 3 of the pumping unit of the present invention, in this embodiment, the connecting member between the overhanging portion of the connecting base and the side surface of the horse head is a chain or a steel bar, and certainly, the connecting member may also be a hollow steel pipe, and at this time, the connecting member may also have a certain supporting function, and the others are the same as those in embodiment 1, and are not described again.
In embodiment 4 of the pumping unit of the present invention, in this embodiment, the fastening members between the mounting seat, the connecting seat, and the walking beam may be rivet connections, and if rivet connections are adopted, a plurality of fastening members may be provided to ensure connection strength, and the others are the same as those in embodiment 1 and are not described again.
In embodiment 5 of the pumping unit of the present invention, in this embodiment, the walking beam may further have no mounting plate, at this time, the outer side surface of the walking beam is attached to each wall surface of the mounting cavity of the connecting seat, and the bolt is directly pressed on the inner wall surface of the walking beam, and the rest is the same as that in embodiment 1, and is not described again.
Claims (9)
1. Beam-pumping unit, including walking beam and horse head, its characterized in that: the mounting end of the walking beam is provided with four mounting plates which are outwards suspended, the end part of the walking beam is inserted into the mounting cavity and fixed, the four mounting plates at the mounting end of the walking beam are positioned at the corner positions of the mounting cavity of the connecting seat, and the end part of the walking beam is connected with the connecting seat through the mounting plates; the connecting end of the horse head, which is used for being connected with the walking beam, is provided with a mounting seat, the mounting seat is provided with an upper mounting surface and a lower mounting surface which are opposite up and down, and the upper mounting surface and the lower mounting surface are fixed on the outer side surface of the connecting seat; the mounting plates at the end parts of the upper mounting surface, the lower mounting surface and the walking beam are oppositely arranged on the inner side and the outer side of the mounting cavity of the connecting seat, mounting holes are formed in the corresponding positions of the mounting surfaces, the connecting seat and the mounting plates, and fasteners penetrate through the mounting holes to fasten the connecting seat, the mounting plates and the mounting seats together.
2. The pumping unit of claim 1, wherein: the installation cavity of the connecting seat is rectangular.
3. The pumping unit of claim 2, wherein: the both sides of connecting seat are equipped with the overhanging portion of outside overhang, the overhanging portion passes through the connecting piece with the side that the horse head corresponds and is connected.
4. The pumping unit of claim 3, wherein: the overhanging part is arranged at the position where the connecting seat is connected with the mounting seat of the horse head.
5. The pumping unit of claim 4, wherein: two groups of overhanging parts are oppositely arranged up and down, and the two groups of overhanging parts are connected with the corresponding side surfaces of the horse head through connecting pieces.
6. The pumping unit of claim 3 ~ 5, wherein the connecting member is connected to the depending portion by an adjustable connection mechanism.
7. The pumping unit of claim 6, wherein: the adjustable connecting mechanism is a thread adjusting mechanism.
8. The oil pumping unit of claim 3 ~ 5, wherein the connecting member is a steel cable.
9. The pumping unit of claim 3 ~ 5, wherein the overhang is integral with the attachment base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601493.8A CN107387029B (en) | 2017-07-21 | 2017-07-21 | Oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601493.8A CN107387029B (en) | 2017-07-21 | 2017-07-21 | Oil pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387029A CN107387029A (en) | 2017-11-24 |
| CN107387029B true CN107387029B (en) | 2019-12-27 |
Family
ID=60336101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710601493.8A Active CN107387029B (en) | 2017-07-21 | 2017-07-21 | Oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387029B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644785A (en) * | 1985-09-06 | 1987-02-24 | Fmc Corporation | Hinged strain cell mounting apparatus |
| CN202673253U (en) * | 2012-07-02 | 2013-01-16 | 濮阳中石集团有限公司 | Novel pumping unit horse head |
| CN204113822U (en) * | 2014-08-18 | 2015-01-21 | 中国石油天然气股份有限公司 | Connecting mechanism for horsehead and walking beam of walking beam type oil pumping unit |
| CN204175744U (en) * | 2014-09-22 | 2015-02-25 | 中国石油天然气股份有限公司 | Safety device for horsehead pin of oil pumping unit |
| CN104879095A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Oil pumping machine horse head connecting device |
-
2017
- 2017-07-21 CN CN201710601493.8A patent/CN107387029B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644785A (en) * | 1985-09-06 | 1987-02-24 | Fmc Corporation | Hinged strain cell mounting apparatus |
| CN202673253U (en) * | 2012-07-02 | 2013-01-16 | 濮阳中石集团有限公司 | Novel pumping unit horse head |
| CN204113822U (en) * | 2014-08-18 | 2015-01-21 | 中国石油天然气股份有限公司 | Connecting mechanism for horsehead and walking beam of walking beam type oil pumping unit |
| CN204175744U (en) * | 2014-09-22 | 2015-02-25 | 中国石油天然气股份有限公司 | Safety device for horsehead pin of oil pumping unit |
| CN104879095A (en) * | 2015-06-04 | 2015-09-02 | 中国石油天然气股份有限公司 | Oil pumping machine horse head connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107387029A (en) | 2017-11-24 |
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