CN201428432Y - Chain transmission system for chain type pumping units - Google Patents
Chain transmission system for chain type pumping units Download PDFInfo
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- CN201428432Y CN201428432Y CN2009200277663U CN200920027766U CN201428432Y CN 201428432 Y CN201428432 Y CN 201428432Y CN 2009200277663 U CN2009200277663 U CN 2009200277663U CN 200920027766 U CN200920027766 U CN 200920027766U CN 201428432 Y CN201428432 Y CN 201428432Y
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- chain
- transmission system
- connecting rod
- oil pump
- rotating shaft
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Abstract
The utility model discloses a chain transmission system for chain type pumping units, which is used in the petroleum industry and is applicable to chain type pumping units. The chain transmission system consists of a chain drive mechanism and a reversing mechanism, the reversing mechanism comprises a reciprocating rack and a link rod, the reciprocating rack is provided with a central rotary shaftand rollers, one end of the link rod is provided with a curved slide slot hole which is connected with the central rotary shaft, the other end of the link rod is connected with a chain of the chain drive mechanism, the side of the chain-connected end of the link rod is matched with the rollers, consequently, the link rod can horizontally move to transmit power to the reciprocating rack, and the stress condition of the chain is improved. The utility model has the advantages of simple structure and reliable operation, and reduces the manufacturing cost of a chain type pumping unit. The stress condition of the chain is good, the reciprocating rack can be easily reversed, and energy can be saved. Because an overrunning clutch is added, a reducer does not have negative torque and can be uniformly stressed. The service lives of the chain and the reducer are greatly prolonged, and the reliability of operation is enhanced.
Description
Technical field
The utility model relates to the oil exploitation oil pumper, and particularly the chain type oil pump chain transmission system is applicable to chain type oil pump.
Background technology
Chain transmission system is the important component part of chain type oil pump, is made up of changement and chain drive mechanism, is undertaking the power transmission task of chain type oil pump.Chain transmission system commonly used at present roughly has following several: two patents of CN86102978A and ZL200620085856.4 disclose two kinds of chain type oil pumps respectively, its changement principle is identical, horizontal installation can move horizontally on vertically moving round frame slide block or coaster, be connected with the specific links upper pin by bearing, relative slide block of bearing pin or coaster can rotations, when specific links is stirred when centre of sprocket is rotated by sprocket wheel, bearing pin drives slide block or coaster laterally moves, and realizes commutation.This kind changement complex structure, stressed big, low, the poor reliability of efficient of specific links, the manufacturing cost height.
Patent ZL93228350.0 discloses a kind of changement of connecting rod commutation, commutation is the stability of rotation commutation by connecting rod, but connecting rod power is level when the connecting rod horizontal positioned, horizontal force can not promote round frame and move up and down, as realizing that movable connecting rod must tilt, by the round frame motion of the vertical stress component lifting of connecting rod, this moment, chain was subjected to the support power of connecting rod very big, the deteriorated significantly stress condition of chain has reduced the reliability of oil pumper.
More than several chain transmission systems, in the course of the work because load change and direction of motion variation, the chain force working stage opposite with the direction of motion appears in the capital, this moment, motor was in generating state, reducer can bear negative torque, to reducer impact and damaged condition bigger, electric power generation impacts electrical network seriously and cause energy waste.
Summary of the invention
The purpose of this utility model provides the chain type oil pump chain transmission system, overcome the above-mentioned defective that existing chain type oil pump chain drive mechanism and changement exist, make the safe and reliable, energy-conservation of chain transmission system, and reduce the manufacturing cost of chain drive pumping unit.
The present technique solution can reach above-mentioned purpose: the chain type oil pump chain transmission system comprises chain drive mechanism and changement, changement comprises round frame and connecting rod, on round frame, be provided with central rotating shaft and roller, connecting rod one end is provided with the curve chute hole and is connected with central rotating shaft, the other end is connected with the chain of chain drive mechanism, and the end sides of the chain link of connecting rod cooperates with roller, makes the connecting rod can horizontal movement, power transmission is given and is come and gone frame, improves the stress condition of chain.
The utlity model has following useful effect: this drive system structure is simple, reliable operation, has reduced the manufacturing cost of chain drive pumping unit.The stress condition of chain is good, and it is easy, energy-conservation to come and go the frame commutation, has prolonged the application life of chain greatly, has reduced the maintenance cost of chain drive pumping unit.Install freewheel clutch additional, made reducer not have negative torque, stressedly evenly prolonged the application life of reducer, further played the effect that improves the native system functional reliability and cut down the consumption of energy.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the commutation schematic diagram of the utility model changement at the sprocket wheel place.
Fig. 3 is the front view of connecting rod signal in the utility model.
Fig. 4 is the left view of connecting rod signal in the utility model.
Fig. 5 is the vertical view of connecting rod signal in the utility model.
The specific embodiment
Below in conjunction with embodiment the utility model is done further detailed description: referring to Fig. 1 and Fig. 2, the chain type oil pump chain transmission system comprises chain drive mechanism and changement, changement comprises round frame 1 and connecting rod 3, come and go frame 1 and be provided with central rotating shaft 2 and roller 4, connecting rod 3 one ends are provided with the curve chute hole and are connected with central rotating shaft 2, the other end is connected with the chain 5 of chain drive mechanism, and the end sides of connecting rod 3 chain links cooperates with roller 4.The end sides of connecting rod 3 chain links is faces of cylinder, is used for being connected with roller 4, and the chain link is provided with the chain holddown groove, and cell body is provided with fixing hole, in order to the fixing chain link of chain 5.As Fig. 3, Fig. 4 and shown in Figure 5, the curve chute hole that connecting rod 3 is connected with central rotating shaft 2 is provided with three sections curves at least, forms the curve chute structure.After chain 5 was subjected to vertical tension, connecting rod 3 can horizontal microdisplacement under the effect in curve chute hole, and the chain link of connecting rod 3 and roller 4 are close to, and connecting rod 3 is given by roller 4 and central rotating shaft 2 power transmissions and come and gone frame 1.The outer plate of chain 5 chain links or the outer plate of part chain link are the inner edge arcuate structures, and its outside is a right-angle structure, and inwardly bending can not inverse bending to make on the chain 5 chain link, guarantees safe in utilization.Come and go on the frame 1 and be provided with two rollers 4 at least, be installed in the both sides of central rotating shaft 2, mounting distance equates with respect to central rotating shaft 2 levels and vertical distance as shown in Figure 1, is symmetrically distributed, and is tangent with the face of cylinder of connecting rod 3 chain link end sides.Chain drive mechanism comprises reducer, drive sprocket 6, driven sprocket 7, chain 5 and freewheel clutch, and reducer is connected with drive sprocket 6, and drive sprocket 6 is connected by chain 5 with driven sprocket 7, between drive sprocket 6 and reducer freewheel clutch is installed.Freewheel clutch is not installed is worked too, but after freewheel clutch is installed, can eliminate the negative torque of reducer, the auxiliary commutation campaign that comes and goes frame 1 is the best so that freewheel clutch to be installed.Central rotating shaft 2 is located on the center line that comes and goes frame 1, central rotating shaft 2 can be installed bearing, is designed to roller structure, makes fricton-tight friction in the motion, better effects if.
In the changement work of the present utility model when up-down stroke as shown in Figure 1, after chain 5 is subjected to vertical tension, connecting rod 3 is under the effect in curve chute hole, horizontal microdisplacement, the end sides and the roller 4 of the chain link of connecting rod 3 are close to, and connecting rod 3 is given by roller 4 and central rotating shaft 2 power transmissions and is come and gone frame 1, drives round frame 1 and moves up and down, come and go frame 1 and move back and forth by the polished rod that compliant member drives well head, this moment, the stress condition of chain 5 improved.During commutation as shown in Figure 2, when round frame 1 moves to central rotating shaft 2 when overlapping with drive sprocket 6 centers, the center of circle, the chain link end sides face of cylinder of connecting rod 3 overlaps with drive sprocket 6 and central rotating shaft 2 three centers, under the stirring of drive sprocket 6, connecting rod 3 breaks away from roller 4 around central rotating shaft 2 Rotate 180 degree, realizes commutation.Chain link on the connecting rod 3 withstands on again and comes and goes on the frame 1 on another roller 4, drives to come and go frame 1 and move in the opposite direction.When moving to driven sprocket 7, motion commutation as mentioned above, the rest may be inferred realizes the reciprocating motion of oil pumper.
During chain drive mechanism work, when negative torque appearred in oil pumping unit reduction gearbox, be subjected to force direction with the direction of motion opposite with the chain 5 that connecting rod 3 connects this moment, and reducer and chain 5 are stressed bigger.Drive sprocket 6 and reducer between installed freewheel clutch because of the utility model this moment, drive sprocket 6 and reducer can be thrown off automatically, makes to come and go frame 1 and descend automatically or rise, and allows the stressed further reduction of chain 5, more can improve reliability, cuts down the consumption of energy.The outer plate of chain 5 chain links or part outer plate are the inner edge arcuate structures as shown in Figure 1, and its outside be a right-angle structure, and at this moment inwardly bending can not inverse bending for the chain link on the chain 5, further improves the reliability of chain 5 transmissions.
Claims (6)
1, chain type oil pump chain transmission system, comprise chain drive mechanism and changement, changement comprises round frame (1) and connecting rod (3), it is characterized in that coming and going frame (1) and be provided with central rotating shaft (2) and roller (4), connecting rod (3) one ends are provided with the curve chute hole and are connected with central rotating shaft (2), the other end is connected with the chain (5) of chain drive mechanism, and the end sides of connecting rod (3) chain link cooperates with roller (4).
2, chain type oil pump chain transmission system according to claim 1 is characterized in that the end sides of connecting rod (3) chain link is the face of cylinder, and the chain link is provided with the chain holddown groove, and cell body is provided with fixing hole.
3, chain type oil pump chain transmission system according to claim 1 and 2 is characterized in that the curve chute hole that connecting rod (3) is connected with central rotating shaft (2) is provided with three sections curves at least.
4, chain type oil pump chain transmission system according to claim 1 is characterized in that the outer plate of chain (5) chain link or the outer plate of part chain link are the inner edge arcuate structures, and its outside is a right-angle structure.
5, chain type oil pump chain transmission system according to claim 1, it is characterized in that coming and going on the frame (1) and be provided with two rollers (4) at least, be installed in the both sides of central rotating shaft (2), equate with respect to central rotating shaft (2) level and vertical distance, be symmetrically distributed, tangent with the face of cylinder of connecting rod (3) chain link end sides.
6, chain type oil pump chain transmission system according to claim 1 is characterized in that chain drive mechanism comprises reducer, drive sprocket (6) and freewheel clutch, installs freewheel clutch between drive sprocket (6) and reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200277663U CN201428432Y (en) | 2009-06-20 | 2009-06-20 | Chain transmission system for chain type pumping units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200277663U CN201428432Y (en) | 2009-06-20 | 2009-06-20 | Chain transmission system for chain type pumping units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201428432Y true CN201428432Y (en) | 2010-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200277663U Expired - Fee Related CN201428432Y (en) | 2009-06-20 | 2009-06-20 | Chain transmission system for chain type pumping units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201428432Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996747A (en) * | 2012-12-25 | 2013-03-27 | 孙继辉 | Chain driving reversing device and method of beam-pumping unit |
| CN108816837A (en) * | 2018-08-13 | 2018-11-16 | 北京清源华建环境科技有限公司 | A kind of reversing arrangement and commutation method of self-cleaning horizontal grate |
| CN111255418A (en) * | 2020-03-20 | 2020-06-09 | 山东博康石油工程技术有限公司 | Double-connecting-rod reversing pumping unit and method |
-
2009
- 2009-06-20 CN CN2009200277663U patent/CN201428432Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996747A (en) * | 2012-12-25 | 2013-03-27 | 孙继辉 | Chain driving reversing device and method of beam-pumping unit |
| CN108816837A (en) * | 2018-08-13 | 2018-11-16 | 北京清源华建环境科技有限公司 | A kind of reversing arrangement and commutation method of self-cleaning horizontal grate |
| CN111255418A (en) * | 2020-03-20 | 2020-06-09 | 山东博康石油工程技术有限公司 | Double-connecting-rod reversing pumping unit and method |
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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: 20100324 Termination date: 20180620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |