CN203716937U - Double-chain oil pumping unit - Google Patents
Double-chain oil pumping unit Download PDFInfo
- Publication number
- CN203716937U CN203716937U CN201320819102.7U CN201320819102U CN203716937U CN 203716937 U CN203716937 U CN 203716937U CN 201320819102 U CN201320819102 U CN 201320819102U CN 203716937 U CN203716937 U CN 203716937U
- Authority
- CN
- China
- Prior art keywords
- chain
- oil pumping
- reversing
- reversing gear
- gear bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model relates to oil pumping units and particularly relates to a double-chain oil pumping unit. The double-chain oil pumping unit comprises reversing wheels, counterweight blocks, chain wheels, chains, bolt roller-needle bearings, an oil pumping rod, a reversing rack and steel wire ropes, wherein the steel wire ropes are laid on the reversing wheels, one end of each steel wire rope is connected with the reversing rack, the other ends of the steel wire ropes are connected with the counterweight blocks, the oil pumping rod is connected to the lower surface of the reversing rack, bearing portions of the bolt roller-needle bearings are in contact with the reversing rack, bolts of the bolt roller-needle bearings are fixedly connected to pin shafts of the chains, each chain covers two chain wheels, namely an upper chain wheel and a lower chain wheel, the reversing rack is provided with U-shaped grooves, guiding rails are arranged in the grooves, the bolt roller-needle bearings can roll on the guiding rails, and two lower chain wheels are connected with an electric motor through a chain transmission device. The double-chain oil pumping unit has the advantages that the stroke is long, the load is large, the oil pumping efficiency is high, the reversing impact on the oil pumping unit is little, the service life of the reversing rack is long, and the applicability is strong.
Description
Technical field
The utility model relates to a kind of oil pumper, particularly a kind of chain oil pumper.
Background technology
For a long time, the beam pumping unit that China's oil field development mainly adopts, although beam pumping unit is sturdy durable, its operational efficiency is low, energy consumption is large, can not adapt to the demand of " saving energy and reduce the cost " development.And be difficult to realize long stroke and large load in China and conventional type oil pumper, therefore in the urgent need to a kind of chain oil pumper with advantages such as long stroke, large load, efficiency are high, strong adaptabilities, but the stress point at the specific links place of common double chain type oil pump and sucker rod be not in a plane, this just makes reversing gear bracket in commutation process, have very large shearing, oil pumper reversing impact is large, has affected the life-span of reversing gear bracket.
Utility model content
The utility model is intended to address the above problem, and a kind of chain oil pumper is provided, and its stroke is long, and load is large, and oil pumper reversing impact is little, and pumping efficiency is high, and the reversing gear bracket life-span is long, strong adaptability, and its technical scheme adopting is as follows:
A kind of chain oil pumper comprises: reverse wheel, balancing weight, sprocket wheel, chain, bolt outer ring and roll assembly, sucker rod, reversing gear bracket and wire rope, wire rope is layered on reverse wheel, one end of wire rope reversing gear bracket of ining succession, the other end balancing weight of ining succession, the soffit of described reversing gear bracket is connected with sucker rod, the bearing portions of bolt outer ring and roll assembly contacts with reversing gear bracket, and the bolt of described bolt outer ring and roll assembly is fixed on the bearing pin of chain, and chain covers on upper and lower two sprocket wheels.
On the basis of technique scheme, described reversing gear bracket has U-shaped groove, is provided with guide rail in groove, and bolt outer ring and roll assembly can roll on guide rail.
On the basis of technique scheme, the sprocket wheel below described two is connected with motor by chain gearing.
The utlity model has following advantage: have the stroke of overlength, load is large, oil pumper reversing impact is little, and the reversing gear bracket life-span is long.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model.
Fig. 2: the structural representation of bolt outer ring and roll assembly.
Symbol description
1. reverse wheel, 2. balancing weight, 3. sprocket wheel, 4. chain, 5. bolt outer ring and roll assembly, 6. sucker rod, 7. reversing gear bracket, 8. wire rope.
The specific embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of chain oil pumper of the present utility model comprises: reverse wheel 1, balancing weight 2, sprocket wheel 3, chain 4, bolt outer ring and roll assembly 5, sucker rod 6, reversing gear bracket 7 and wire rope 8, wire rope 8 is layered on reverse wheel 1, one end of wire rope 8 reversing gear bracket 7 of ining succession, the other end balancing weight 2 of ining succession, the soffit of described reversing gear bracket 7 is connected with sucker rod 6, the bearing portions of bolt outer ring and roll assembly 5 contacts with reversing gear bracket 7, the bolt of described bolt outer ring and roll assembly 5 is fixed on the bearing pin of chain 4, and chain 4 covers on upper and lower two sprocket wheels 3.
Preferably, described reversing gear bracket 7 has U-shaped groove, is provided with guide rail in groove, and bolt outer ring and roll assembly 5 can roll on guide rail.
Preferably, the sprocket wheel 3 below described two is connected with motor by chain gearing.
Its operating principle is, after actuating motor, motor by chain gearing by transmission of power to two sprocket wheel 3 below, and then drive chain 4 to rotate, bolt outer ring and roll assembly 5 is also with chain 4 motions, while moving to the circular arc portion of chain 4, bolt outer ring and roll assembly 5 continues motion with chain 4 on one side, on the U-shaped groove guide rail of reversing gear bracket 7, slide on one side, realize the change of reversing gear bracket 7 directions of motion, due to 5 two lateral movements to the left and right simultaneously of two bolt outer ring and roll assemblies, sucker rod 6 is all the time on the perpendicular bisector of the stress point in two bolt outer ring and roll assemblies 5, make the impact force of its commutation process smaller, when bolt outer ring and roll assembly 5 moves to the straight line portion of chain 4, start again to drive reversing gear bracket 7 to do rectilinear motion, because reversing gear bracket 7 and sucker rod 6 are affixed, then realized the oil pumping process of sucker rod 6.
With way of example, the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any changes of doing based on the utility model or modification all belong to the claimed scope of the utility model.
Claims (3)
1. a chain oil pumper, it is characterized in that, comprise: reverse wheel (1), balancing weight (2), sprocket wheel (3), chain (4), bolt outer ring and roll assembly (5), sucker rod (6), reversing gear bracket (7) and wire rope (8), wire rope (8) is layered on reverse wheel (1), one end of wire rope (8) reversing gear bracket (7) of ining succession, the other end balancing weight (2) of ining succession, the soffit of described reversing gear bracket (7) is connected with sucker rod (6), the bearing portions of bolt outer ring and roll assembly (5) contacts with reversing gear bracket (7), the bolt of described bolt outer ring and roll assembly (5) is fixed on the bearing pin of chain (4), chain (4) covers on upper and lower two sprocket wheels (3).
2. a kind of chain oil pumper according to claim 1, described reversing gear bracket (7) has U-shaped groove, is provided with guide rail in groove, and bolt outer ring and roll assembly (5) can roll on guide rail.
3. a kind of chain oil pumper according to claim 1, described two sprocket wheels (3) are below connected with motor by chain gearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320819102.7U CN203716937U (en) | 2013-12-13 | 2013-12-13 | Double-chain oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320819102.7U CN203716937U (en) | 2013-12-13 | 2013-12-13 | Double-chain oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716937U true CN203716937U (en) | 2014-07-16 |
Family
ID=51156102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320819102.7U Expired - Fee Related CN203716937U (en) | 2013-12-13 | 2013-12-13 | Double-chain oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615220A (en) * | 2013-12-13 | 2014-03-05 | 中国石油大学(华东) | Dual-chain drive pumping unit |
-
2013
- 2013-12-13 CN CN201320819102.7U patent/CN203716937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615220A (en) * | 2013-12-13 | 2014-03-05 | 中国石油大学(华东) | Dual-chain drive pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |