CN204025588U - A kind of mechanical commutation device for pumping unit - Google Patents
A kind of mechanical commutation device for pumping unit Download PDFInfo
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- CN204025588U CN204025588U CN201420377616.6U CN201420377616U CN204025588U CN 204025588 U CN204025588 U CN 204025588U CN 201420377616 U CN201420377616 U CN 201420377616U CN 204025588 U CN204025588 U CN 204025588U
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Abstract
The utility model discloses a kind of mechanical commutation device for pumping unit, belong to petroleum equipment field, this mechanical commutation device comprises the input shaft being arranged in frame, small gear, Large Gear Shaft During, gearwheel, conversion gear axle, conversion gear, output shaft, output gear and guide-bar mechanism, guide-bar mechanism comprises the crank that is provided with slide block, guide rod and cylinder, small gear is socketed on input shaft, gearwheel is socketed in Large Gear Shaft During, gearwheel and small gear are meshed, conversion gear is socketed on conversion gear axle, output gear is socketed on output shaft, conversion gear and output gear are meshed, crank is arranged on gearwheel, one end of guide rod is fixed on conversion gear, in guide rod, be in axial direction provided with chute, slide block slides along chute, cylinder is arranged on output shaft, guide-bar mechanism is applied to without switching reversing arrangement, realize quickreturn characteristics, conversion connects gear and is equipped with 2, improve the stability of device.
Description
Technical field
The utility model relates to petroleum equipment field, particularly a kind of mechanical commutation device for pumping unit.
Background technique
Pumping unit is a kind of machinery equipment of recover petroleum, is commonly called as " machine of kowtowing ", makes oil go out well by the way of pressurization.In the time of pumping unit upstroke, oil pipe elastic shrinkage moves upward, and driving mechanical block-relief oil production device moves upward, and clashes into sliding sleeve and produces vibration; Meanwhile, copper current only valve cuts out, and reducing piston assembly shutoff oil is in the time of pumping unit down stroke, and oil pipe elastic elongation moves downward, and driving mechanical block-relief oil production device moves downward, and clashes into sliding sleeve and produces vibration; Meanwhile, reversed check valve part is closed, and reducing piston assembly is shutoff oil jacket ring shaped oil passage still, makes reversed check valve lower zone form zone of high pressure, and this motion produces a kind of reverse impact force to the oil flow channel in stratum again.
In the Oilfield Development Engineering of petroleum industry, along with the exploitation in oil field enters the intermediary and later stages, keep the stable and high yields in oil field, just need to there be enough liquid measures (large pump extract) of adopting; On the other hand, for exploitation hyposmosis, low-grade oil reservoir, need small displacement deeply to take out (little pump is taken out deeply), to keep oil reservoir to produce under larger pressure reduction.The quantity of thick oil well and many gas wells also constantly increases in addition, and these objective factors all require our accelerated development long stroke pumping unit.The long stroke pumping unit tool machine reversing arrangement that oil field is used at present exists the shortcomings such as volume is large, reliability is low, therefore one of subject matter that the popularization of the needed long stroke pumping unit of China's oil field development and development face, lacks the reliable changement that is applicable to China's national situation.
Model utility content
The utility model proposes a kind of mechanical commutation device for pumping unit, separate the existing deficiency that certainly mechanical switching device exists, this reversing arrangement has not only reduced the volume of existing machinery reversing arrangement, and can improve the stability of existing machinery reversing arrangement, realizes quickreturn characteristics.To solve the above-mentioned multinomial defect causing in prior art.
For achieving the above object, the utility model provides following technological scheme: a kind of mechanical commutation device for pumping unit, comprise the input shaft being arranged in frame, small gear, Large Gear Shaft During, gearwheel, conversion gear axle, conversion gear, output shaft, output gear and guide-bar mechanism, guide-bar mechanism comprises the crank that is provided with slide block, guide rod and cylinder, small gear is socketed on input shaft, gearwheel is socketed in Large Gear Shaft During, gearwheel and small gear are meshed, conversion gear is socketed on conversion gear axle, output gear is socketed on output shaft, conversion gear and output gear are meshed, crank is arranged on gearwheel, one end of guide rod is fixed on conversion gear, in guide rod, be in axial direction provided with chute, slide block slides along chute, cylinder is arranged on output shaft.
Preferably, described small gear, gearwheel, conversion gear, output gear are two, each other corresponding setting, described Large Gear Shaft During is two, on an axis, be rotationally connected respectively with frame, two gearwheels are separately positioned on the end of two Large Gear Shaft During.
Preferably, described crank is two, is separately positioned on two gearwheels, and two cranks connect same slide block, and the end that described guide rod is connected with conversion gear is provided with the connecting rod of horizontal vertical, and the two ends of connecting rod are connected with two conversion gears respectively.
Preferably, be provided with the supporting base that supports Large Gear Shaft During in described frame, the surface of contact of supporting base and Large Gear Shaft During is provided with rotation slot.
Adopt the beneficial effect of above technological scheme to be: the mechanical commutation device of this model utility structure, guide-bar mechanism is applied to without switching reversing arrangement, realize quickreturn characteristics, conversion connects gear and is equipped with 2, improve the stability of device, in frame, be provided with the supporting base that supports Large Gear Shaft During, Large Gear Shaft During is played a supporting role, improve the stability of whole device.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of mechanical commutation device for pumping unit of the utility model;
Fig. 2 is the structural representation of guide-bar mechanism shown in Fig. 1.
Wherein, 1--frame, 2--input shaft, 3--small gear, 4--Large Gear Shaft During, 5--gearwheel, 6--conversion gear axle, 7--conversion gear, 8--output shaft, 9--output gear, 10--slide block, 11--crank, 12--guide rod, 13--cylinder, 14--connecting rod, 15--supporting base, 16--chute.
Embodiment
Describe the preferred implementation of a kind of mechanical commutation device for pumping unit of the utility model in detail below in conjunction with accompanying drawing.
Fig. 1 shows the embodiment of a kind of mechanical commutation device for pumping unit of the utility model: this mechanical commutation device, comprise the input shaft 2 being arranged in frame 1, small gear 3, Large Gear Shaft During 4, gearwheel 5, conversion gear axle 6, conversion gear 7, output shaft 8, output gear 9 and guide-bar mechanism, guide-bar mechanism comprises the crank 11 that is provided with slide block 10, guide rod 12 and cylinder 13, small gear 3 is socketed on input shaft 2, gearwheel 5 is socketed in Large Gear Shaft During 4, gearwheel 5 and small gear 3 are meshed, conversion gear 7 is socketed on conversion gear axle 6, output gear 9 is socketed on output shaft 8, conversion gear 7 and output gear 9 are meshed, crank 11 is arranged on gearwheel 5, one end of guide rod 12 is fixed on conversion gear 7, in guide rod 12, be in axial direction provided with chute 16, slide block 10 slides along chute 16, cylinder 13 is arranged on output shaft 8.
Small gear 3, gearwheel 5, conversion gear 7, output gear 9 are two, corresponding setting each other, described Large Gear Shaft During 4 is two, on an axis, be rotationally connected with frame 1 respectively, two gearwheels 5 are separately positioned on the end of two Large Gear Shaft During 4, are provided with the supporting base 15 that supports Large Gear Shaft During 4 in frame 1, and supporting base 15 is provided with rotation slot with the surface of contact of Large Gear Shaft During 4.
Crank 11 is two, be separately positioned on two gearwheels 5, two cranks 11 connect same slide block 10, and the end that described guide rod 12 is connected with conversion gear 7 is provided with the connecting rod 14 of horizontal vertical, and the two ends of connecting rod 14 are connected with two conversion gears 7 respectively.
Slide block 10 on crank 11 forms revolute pair with guide rod 12, and slide block 10 forms sliding pair with guide rod 12.In the time that power is inputted, input shaft 2 does unidirectional circular movement with retarder, by engaging of small gear 3 and gearwheel 5, crank 11 is with movable slider 10 to move in a circle, and slide block 10 moves on guide rod 12, drives guide rod 12 to do positive and negative reciprocally swinging, guide rod 12 drives conversion gear 7 to do positive and negative reciprocally swinging, conversion gear 7 engages with output gear 9, realizes the commutation process of small gear 3, and then the commutation process of the cylinder 13 of realizing.
The mechanical commutation device of this model utility structure, guide-bar mechanism is applied to without switching reversing arrangement, realize quickreturn characteristics, conversion connects gear and is equipped with 2, improve the stability of device, in frame, be provided with the supporting base that supports Large Gear Shaft During, Large Gear Shaft During is played a supporting role, improve the stability of whole device.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. the mechanical commutation device for pumping unit, it is characterized in that: comprise the input shaft being arranged in frame, small gear, Large Gear Shaft During, gearwheel, conversion gear axle, conversion gear, output shaft, output gear and guide-bar mechanism, guide-bar mechanism comprises the crank that is provided with slide block, guide rod and cylinder, small gear is socketed on input shaft, gearwheel is socketed in Large Gear Shaft During, gearwheel and small gear are meshed, conversion gear is socketed on conversion gear axle, output gear is socketed on output shaft, conversion gear and output gear are meshed, crank is arranged on gearwheel, one end of guide rod is fixed on conversion gear, in guide rod, be in axial direction provided with chute, slide block slides along chute, cylinder is arranged on output shaft.
2. the mechanical commutation device for pumping unit according to claim 1, it is characterized in that: described small gear, gearwheel, conversion gear, output gear are two, corresponding setting each other, described Large Gear Shaft During is two, on an axis, be rotationally connected with frame respectively, two gearwheels are separately positioned on the end of two Large Gear Shaft During.
3. the mechanical commutation device for pumping unit according to claim 2, it is characterized in that: described crank is two, be separately positioned on two gearwheels, two cranks connect same slide block, the end that described guide rod is connected with conversion gear is provided with the connecting rod of horizontal vertical, and the two ends of connecting rod are connected with two conversion gears respectively.
4. the mechanical commutation device for pumping unit according to claim 2, is characterized in that: in described frame, be provided with the supporting base that supports Large Gear Shaft During, the surface of contact of supporting base and Large Gear Shaft During is provided with rotation slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377616.6U CN204025588U (en) | 2014-10-15 | 2014-10-15 | A kind of mechanical commutation device for pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377616.6U CN204025588U (en) | 2014-10-15 | 2014-10-15 | A kind of mechanical commutation device for pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025588U true CN204025588U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420377616.6U Expired - Fee Related CN204025588U (en) | 2014-10-15 | 2014-10-15 | A kind of mechanical commutation device for pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869868A (en) * | 2017-03-29 | 2017-06-20 | 毛国武 | Both arms shake line makees well bar and moves back and forth energy-saving pumping unit |
-
2014
- 2014-10-15 CN CN201420377616.6U patent/CN204025588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869868A (en) * | 2017-03-29 | 2017-06-20 | 毛国武 | Both arms shake line makees well bar and moves back and forth energy-saving 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: 20141217 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |