CN2386214Y - Beam-pumping unit for puming underground petroleum - Google Patents
Beam-pumping unit for puming underground petroleum Download PDFInfo
- Publication number
- CN2386214Y CN2386214Y CN 99217729 CN99217729U CN2386214Y CN 2386214 Y CN2386214 Y CN 2386214Y CN 99217729 CN99217729 CN 99217729 CN 99217729 U CN99217729 U CN 99217729U CN 2386214 Y CN2386214 Y CN 2386214Y
- Authority
- CN
- China
- Prior art keywords
- chain
- balance
- drive
- sprocket
- commutator
- 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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Abstract
The utility model relates to an oil pumping machine for pumping underground petroleum oil. A lifting chain of the oil pumping machine steps across a lifting chain wheel, one end of the lifting chain droops to be connected with a hanger which is connected with an oil pumping rod, and the other end of the lifting chain is connected with a reversing device. A balancing chain steps across a balancing chain wheel, one end of the balancing chain is connected the reversing device, and the other end of the balancing chain droops to be connected with a balance weight. Both ends of the reversing device are provided with connecting rings which are connected with a driving chain, the chains all adopt a circular ring structure, and the chain wheels have corresponding tooth shapes, so that the chain wheels don't need lubrication and have the advantages of long service life and high safety.
Description
The utility model relates to a kind of pumping unit that is used to aspirate the down-hole oil, belongs to the technical field of oil exploration equipment.
The existing pumping unit that is used to aspirate the down-hole oil, its structure are comparatively complicated, and operational reliability is low, and energy consumption is big, and efficient is low, and stroke and number of strokes all are restricted, and demand urgently improving.
The purpose of this utility model provides a kind of pumping unit that is used to aspirate the down-hole oil, it can overcome above-mentioned shortcoming, it is simple in structure, wherein most importantly chain can adapt to operation safely and reliably under unlubricated state with the sprocket wheel that is meshed, less energy consumption, efficient height, long service life, stroke can increase, and number of strokes can increase.
The purpose of this utility model is achieved in that
A kind of pumping unit that is used to aspirate the down-hole oil, comprise and promote chain (7), balance chain (13), drive chain (11), commutator (9), balancer weight (12), promote sprocket wheel (1) (2), balance sprocket wheel (3) (4), drive sprocket (20), driven sprocket (6), frame (5), retarder (15) (21), coupling (22), motor (19), hanger (8), belt pulley (14), belt (16), supporting axle (18), it is characterized in that promoting chain (7) and stride across lifting sprocket wheel (1) (2), promote the sagging connection hanger of an end (8) of chain (7), hanger (8) is connected with sucker rod again, the other end that promotes chain (7) is connected with commutator (9), balance chain (13) strides across balance sprocket wheel (3) (4), one end of balance chain (13) connects commutator (9), the other end of balance chain (13) is sagging to be connected with balancer weight (12), commutator (9) two ends are provided with connecting ring (25) and are connected with drive chain (11), in commutator (9), shell (28) and the middle bearing (31) that is provided with of reversing shaft (30), at shell (28) inboard inner casing (29) and the middle bearing (32) that is provided with of reversing shaft (30), shell (28) promotes chain (7) with inner casing (29) and is connected with balance chain (13), upper saw pulley (26) is housed on the connecting ring (25), upper saw pulley (26) and the middle bearing (27) that is provided with of connecting ring (25), guiding axle track (10) is positioned at drive chain (11) inboard on one side, drive sprocket (20) is opposed to be contained on the output shaft of retarder (15) (21), retarder (15) (21) is opposed to be contained on the platform (17), platform (17) is connected with frame (5) by supporting member (18), the input shaft of retarder (15) (21) is connected by coupling (22), motor (19) is by belt (16), belt pulley (14) is connected with the input shaft of retarder (15), driven sprocket (6) is opposed to be installed on the frame (5), drive chain (11) and drive sprocket (20) and the interior engagement of driven sprocket (6).
The structure that promotes chain (7), balance chain (13), drive chain (11) is an annular chains, and the sprocket wheel that is meshed with it (1) (2) (3) (3) (6) (20) adopts the profile of tooth that matches.
The length of guide track (10) is the distance between drive sprocket (20) axis and driven sprocket (6) axis.
The utility model has the advantages that non-crank connecting rod mechanism, and newly-designed annular chains makes chain drive system simple in structure with the sprocket wheel that is meshed, can under unlubricated state, move reliably and with long-term, stroke can be greater than more than 8 meters, and jig frequency can not reduce because of stroke increases significantly, under the pumping unit condition of the suction down-hole of same stroke and jig frequency oil, motor power (output) reduces, but pumping efficiency improves.
The front view of Fig. 1 pumping unit when sucker rod descends;
The side view of Fig. 2 pumping unit when sucker rod descends;
Fig. 3 annular chains structural representation;
Fig. 4 A annular chains people sprocket engagement schematic representation;
The A of Fig. 4 B Fig. 4 A is to view (unfolded drawing);
Fig. 5 commutator structure schematic representation.
Now in conjunction with the accompanying drawings and embodiments the structure of the pumping unit that is used to aspirate the down-hole oil is described in detail.
By Fig. 1, Fig. 5, promote the lifting sprocket wheel (1) (2) that chain (7) strides across frame (5) top, promote the sagging connection hanger of an end (8) of chain (7), hanger (8) is connected with sucker rod, the other end that promotes chain (7) is connected with commutator (9), balance chain (13) strides across the balance sprocket wheel (3) of frame (5) bottom and the balance sprocket wheel (4) on frame (5) top, balance chain (13) one ends also are connected with commutator (9), the other end of balance chain (13) is sagging to be connected with balancer weight (12), commutator (9) two ends are provided with connecting ring (25) and are connected with drive chain (11), in commutator (9), shell (28) and the middle bearing (31) that is provided with of reversing shaft (30), at shell (28) inboard inner casing (29) and the middle bearing (32) that is provided with of reversing shaft (30), shell (28) is connected with balance chain (13) with lifting chain (7) with inner casing (29), upper saw pulley (26) is housed on the connecting ring (25), is provided with bearing (27) between upper saw pulley (26) and the connecting ring (25).
By Fig. 2, Fig. 5, for when sucker rod descends, commutator (9) is positioned at drive chain shown in Figure 1 (11) the right straightway, prevent that drive chain (11) is subjected to unnecessary applied force, therefore the opposed guide track (10) that respectively is provided with on the frame (5) in the outside of drive sprocket (20) and driven sprocket (6) and platform (17), its length is distance between drive sprocket (20) axis and driven sprocket (6) axis, on the plane of balance chain (13), guide track (10) is positioned at the inboard of balancer weight (12) balance chain (13) straightway on one side, upper saw pulley (26) on guide track (10) and the commutator (9) is when contacting, guide track (10) bears vertical pressure, make the connecting ring (25) on the commutator (9) on the straightway of drive chain (11), only bear the driving force of drive chain (11), because sucker rod and balancer weight (12) balance, therefore the driving force of drive chain (11) does not need Mrs, thereby energy consumption is reduced, raise the efficiency.
By Fig. 1,2, motor (19) is connected with the input shaft of belt pulley (14) with retarder (15) by belt (16), the input shaft of retarder (15) is connected with the input shaft of retarder (21) by coupling (22), retarder (15) and retarder (21) are opposed to be installed on the platform (17), 2 drive sprockets (20) are contained in respectively on the output shaft of opposed retarder (15) and retarder (21), on each opposed load-carrying construction spare that is installed on the frame (5) of 2 driven sprockets (6), drive sprocket (20) and driven sprocket (6) and the interior engagement of drive chain (11), platform (17) is connected with frame (5) by supporting rod (18).
By Fig. 3, Fig. 4 A and Fig. 4 B, lifting chain (7), balance chain (13), drive chain (11) all adopt the project organization of annular chains, the sprocket wheel that is meshed with it.(1) profile of tooth that matches is all adopted in (2) (3) (4) (6) (20), and the annular chains drive system structure is simple, can realize running dry, long service life.
During use, actuating motor (19), by belt (16), belt pulley (14), retarder (15) (21) drive drive sprocket (20) rotation, and drive sprocket (20) drives drive chain (11) along the long-round-shape orbiting motion, on drive chain (11).
Balancer weight (12) strides across to be contained in above the frame (5) by balance chain (13) and affects commutator (9) with following balance sprocket wheel (3), (4), and reciprocally balance is aspirated chaindriven load in the oil process of down-hole back and forth.
When the length of stroke of needs adjustment suction down-hole oil, can be with frame (5), drive chain (11) promotes chain (7), balance chain (13), guide track (10) lengthening and shortening get final product.
Compared with prior art, the oil pumper for the suction of downhole oil has the following advantages:
1, chain can move under unlubricated condition, not easy to wear or fracture, long service life;
2, energy consumption is low, and is both economical;
3, stroke can be adjusted;
4, number of strokes can be adjusted by motor or belt transmission;
5, simple in structure, for ease of maintenaince;
6, safe and reliable in the use, can guarantee normal operation.
Claims (3)
1, a kind of pumping unit that is used to aspirate the down-hole oil, comprise and promote chain (7), balance chain (13), drive chain (11), commutator (19), balancer weight (12), promote sprocket wheel (1) (2), balance sprocket wheel (3) (4), drive sprocket (20), driven sprocket (6), frame (5), retarder (15) (21), coupling (22), motor (19), hanger (8), belt pulley (14), belt (16), supporting axle (18), it is characterized in that promoting chain (7) and stride across lifting sprocket wheel (1) (2), promote the sagging connection hanger of an end (8) of chain (7), hanger (8) is connected with sucker rod again, the other end that promotes chain (7) is connected with commutator (9), balance chain (13) strides across balance sprocket wheel (3) (4), one end of balance chain (13) connects commutator (9), the other end of balance chain (13) is sagging to be connected with balancer weight (12), commutator (9) two ends are provided with connecting ring (25) and are connected with drive chain (11), in commutator (9), shell (28) and the middle bearing (31) that is provided with of reversing shaft (30), at shell (28) inboard inner casing (29) and the middle bearing (32) that is provided with of reversing shaft (30), shell (28) promotes chain (7) with inner casing (29) and is connected with balance chain (13), upper saw pulley (26) is housed on the connecting ring (25), upper saw pulley (26) and the middle bearing (27) that is provided with of connecting ring (25), guiding axle track (10) is positioned at drive chain (11) inboard on one side, drive sprocket (20) is opposed to be contained on the output shaft of retarder (15) (21), retarder (15) (21) is opposed to be contained on the platform (17), platform (17) is connected with frame (5) by supporting member (18), the input shaft of retarder (15) (21) is connected by coupling (22), motor (19) is by belt (16), belt pulley (14) is connected with the input shaft of retarder (15), driven sprocket (6) is opposed to be installed on the frame (5), drive chain (11) and drive sprocket (20) and the interior engagement of driven sprocket (6).
2, pumping unit according to claim 1, the structure that it is characterized in that promoting chain (7), balance chain (13), drive chain (11) is an annular chains, the sprocket wheel that is meshed with it (1) (2) (3) (3) (6) (20) adopts the profile of tooth that matches.
3, pumping unit according to claim 1, the length that it is characterized in that guide track (10) are the distance between drive sprocket (20) axis and driven sprocket (6) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99217729 CN2386214Y (en) | 1999-08-09 | 1999-08-09 | Beam-pumping unit for puming underground petroleum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99217729 CN2386214Y (en) | 1999-08-09 | 1999-08-09 | Beam-pumping unit for puming underground petroleum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2386214Y true CN2386214Y (en) | 2000-07-05 |
Family
ID=34009083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99217729 Expired - Fee Related CN2386214Y (en) | 1999-08-09 | 1999-08-09 | Beam-pumping unit for puming underground petroleum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2386214Y (en) |
-
1999
- 1999-08-09 CN CN 99217729 patent/CN2386214Y/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 |