CN2336091Y - Pumping unit for suction of downhole crude - Google Patents
Pumping unit for suction of downhole crude Download PDFInfo
- Publication number
- CN2336091Y CN2336091Y CN 98200717 CN98200717U CN2336091Y CN 2336091 Y CN2336091 Y CN 2336091Y CN 98200717 CN98200717 CN 98200717 CN 98200717 U CN98200717 U CN 98200717U CN 2336091 Y CN2336091 Y CN 2336091Y
- Authority
- CN
- China
- Prior art keywords
- chain
- balance
- rope
- frame
- pulley
- 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
Links
Abstract
The utility model relates to a pumping unit for sucking downhole crude. In the utility model, a lifting flexible rope 2 crosses through a big pulley 1, and is connected with a vibration absorber 3 in a drooping way. The other end of the lifting flexible rope is connected with an upper pulley 4 of a reverser 24. A balance flexible rope 11 crosses through a balance pulley 14 and a pulley 20 to connect with a balance weight vibration absorber 15 whose the other end is connected with a balance weight 16. The other end of the balance flexible rope is connected with a lower pulley 8. The reverser comprises a bearing 6, a casing 5, and a reversing shaft 7. Both ends of the reversing shaft are provided with special chain links 9 which are engaged with a chain 25. Rolling wheels 10 are arranged on the special chain links. Guide rails 23 are respectively arranged on machine frames which are positioned at the outer sides of a driving chain wheel 18 and a driven chain wheel 12. The guide rail which is arranged on the plane surface of the chain is positioned at the inner side of the straight section of the chain which is arranged at one side of the balance weight.
Description
The utility model relates to a kind of oil pumper that is used to aspirate down-hole crude oil, belongs to technical field of petroleum extraction.
The existing oil pumper that is used to aspirate down-hole crude oil, energy consumption is big, and efficient is low, and stroke machine jig frequency is all placed restrictions on.
The purpose of this utility model is a kind of oil pumper that is used to aspirate down-hole crude oil of design, and energy consumption is little, and the efficient height can increase than the stroke of existing oil pumper, and jig frequency can increase.
Realize that above-mentioned purpose has designed a kind of oil pumper that is used to aspirate down-hole crude oil, comprise frame 17, motor 22, belt gear 21, gear reduction, it is characterized in that promoting gentle rope 2 and stride across the large pulley 1 that is positioned at frame 17 tops, promote the sagging connection shock absorber 3 of an end of gentle rope 2, the other end of shock absorber 3 is connected with the sucker rod of oil well, and the other end that promotes gentle rope 2 is connected with the top sheave 4 of commutator 24; The gentle rope 11 of balance strides across the pulley 20 of the chain-wheel box 19 of the equalizer pulley 14 that is arranged in frame 17 tops and frame 17 belows, one end of the gentle rope 11 of balance connects balance weight shock absorber 15, the other end of balance weight shock absorber 15 is connected with balance weight 16, and the other end of the gentle rope 11 of balance is connected with the lower sheave 8 of commutator 24; Commutator 24 comprises the housing 5 that has bearing 6, is bearing in the reversing shaft 7 in the bearing 6, and reversing shaft 7 two ends are provided with specific links 9 and chain 25 engagements, and roller 10 is housed on the specific links 9; Drive sprocket 18 is opposed to be installed on the output shaft 26 of chain-wheel box 19 middle gear reducing gears of frame 17 belows; Be positioned at output shaft 26 and back shaft 28 and on the frame 17 in drive sprocket 18 and driven sprocket 12 outsides guide rail 23 be set respectively longitudinally, its length is distance between output shaft 26 and back shaft 28 axis, on the plane of chain 25, guide rail 23 is positioned at the inboard of balance weight 16 chain 25 straightways on one side.
The utility model has the advantages that non-crank connecting rod mechanism, stroke simple in structure can be greater than 8 meters, and jig frequency can not reduce because of stroke increases significantly.The oil pumper of the suction down-hole crude oil of same stroke and jig frequency, motor power (output) can reduce, the efficient height.
The present invention is described in further detail by embodiment below in conjunction with accompanying drawing.
Fig. 1 is that the oil pumper of suction down-hole crude oil is faced partial cutaway schematic when sucker rod descends;
Fig. 2 is that partial cutaway schematic is looked on the left side of oil pumper when sucker rod rises of suction down-hole crude oil.
The oil pumper that Fig. 1 illustrates suction down-hole crude oil is faced partial cutaway schematic when sucker rod descends.Promote the large pulley 1 that gentle rope 2 strides across frame 17 tops, promote the sagging connection shock absorber 3 of an end of gentle rope 2, shock absorber 3 can be used spring cushion, and the other end of shock absorber 3 is connected with the sucker rod of oil well, and the other end that promotes gentle rope 2 is connected with the top sheave 4 of commutator 24; The gentle rope 11 of balance strides across the pulley 20 of the chain-wheel box 19 of the equalizer pulley 14 that is arranged in frame 17 tops and frame 17 belows, one end of the gentle rope 11 of balance connects balance weight shock absorber 15, the other end of balance weight shock absorber 15 is connected with balance weight 16, and the other end of the gentle rope 11 of balance is connected with the lower sheave 8 of commutator 24; Promoting gentle rope 2 and tail rope 11 can be with wire rope or flexible broadband.Commutator 24 comprises the housing 5 that has bearing 6, be bearing in the reversing shaft 7 in the bearing 6, reversing shaft 7 two ends are provided with specific links 9 and chain 25 engagements, roller 10 is housed on the specific links 9, roller 10 every ends can be provided with two, for when sucker rod rises, commutator 24 is positioned at chain 25 the right straightways shown in Figure 1, prevent that chain 25 is subjected to unnecessary applied force, therefore on the frame 17 in drive sprocket 18 and driven sprocket 12 outsides guide rail 23 is set respectively longitudinally at output shaft 26 and back shaft 28, its length is distance between output shaft 26 and back shaft 28 axis, on the plane of chain 25, guide rail 23 is positioned at the inboard of balance weight 16 chain 25 straightways on one side.When guide rail 23 contacts with the roller 10 of commutator 24, guide rail 23 bears pressure at right angle, make the specific links 9 on the reversing shaft 7 only be subjected to the driving force of chain 25 at the straightway of chain 25, because sucker rod and balance weight 16 balances, so the driving force of chain 25 does not need too big.This just can save energy consumption, raises the efficiency.
Fig. 2 is that partial cutaway schematic is looked on the left side of oil pumper when sucker rod rises of suction down-hole crude oil.Motor 22, logical belt gear 21 is connected with the power shaft 27 of chain-wheel box 19, and power shaft 27 drives two opposed output shafts 26 through the gear reduction double reduction gearing, on the drive sprocket 18 opposed output shafts 26 that are installed in the chain-wheel box.On the driven sprocket 12 opposed output shafts 26 that are installed in the chain-wheel box.On the driven sprocket 12 opposed output shafts 26 that are installed in the chain-wheel box.Driven sprocket 12 is opposed to be installed on the back shaft 28 of upper rack driven chain wheel seat 13 engagement in drive sprocket and driven sprocket and the chain.Chain-wheel box 19 is screwed with frame 17 and is connected.
Claims (3)
1, a kind of oil pumper that is used to aspirate down-hole crude oil, comprise frame (17), motor (22), belt gear (21), gear reduction, it is characterized in that promoting gentle rope (2) and stride across the large pulley (1) that is positioned at frame (17) top, promote the sagging connection shock absorber of an end (3) of gentle rope (2), the other end of shock absorber (3) is connected with the sucker rod of oil well, and the other end that promotes gentle rope (2) is connected with the top sheave (4) of commutator (24); The balance rope (11) that softens strides across the pulley (20) of the chain-wheel box (19) of the equalizer pulley (14) that is arranged in frame (17) top and frame (17) below, a soften end of rope (11) of balance connects balance weight shock absorber (15), the other end of balance weight shock absorber (15) is connected with balance weight (16), and the soften other end of rope (11) of balance is connected with the lower sheave (8) of commutator (24); Commutator (24) comprises the housing (5) that has bearing (6), is bearing in the reversing shaft (7) in the bearing (6), and reversing shaft (7) two ends are provided with specific links (9) and chain (25) engagement, and roller (10) is housed on the specific links (9); Drive sprocket (18) is opposed to be installed on the output shaft (26) of chain-wheel box (19) middle gear reducing gear of frame (17) below; Be positioned at output shaft (26) and back shaft (28) and on the frame (17) in drive sprocket (18) and driven sprocket (12) outside guide rail (23) be set respectively longitudinally, its length is distance between the axle (26) of output and back shaft (28) axis, and guide rail on the plane of chain (25) (23) is positioned at the inboard of chain (25) straightway on balance weight (16) one side.
2, the oil pumper that is used to aspirate crude oil under the sheet according to claim 1, it is characterized in that promoting the gentle rope (11) of gentle rope (2) and balance is wire rope.
3, the oil pumper that is used to aspirate down-hole crude oil according to claim 1 is characterized in that promoting the gentle rope (11) of gentle rope (2) and balance and is flexible broadband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200717 CN2336091Y (en) | 1998-01-21 | 1998-01-21 | Pumping unit for suction of downhole crude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200717 CN2336091Y (en) | 1998-01-21 | 1998-01-21 | Pumping unit for suction of downhole crude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2336091Y true CN2336091Y (en) | 1999-09-01 |
Family
ID=33958178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98200717 Expired - Fee Related CN2336091Y (en) | 1998-01-21 | 1998-01-21 | Pumping unit for suction of downhole crude |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2336091Y (en) |
-
1998
- 1998-01-21 CN CN 98200717 patent/CN2336091Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |