CN111156297A - Lifting mechanism of belt type oil pumping unit - Google Patents
Lifting mechanism of belt type oil pumping unit Download PDFInfo
- Publication number
- CN111156297A CN111156297A CN202010069671.9A CN202010069671A CN111156297A CN 111156297 A CN111156297 A CN 111156297A CN 202010069671 A CN202010069671 A CN 202010069671A CN 111156297 A CN111156297 A CN 111156297A
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- chain
- pumping unit
- double
- support
- lifting mechanism
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- 238000005086 pumping Methods 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 16
- 125000006850 spacer group Chemical group 0.000 description 9
- 239000010779 crude oil Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/04—Toothed chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/04—Quickly-detachable chain couplings; Shackles chain links with rapid junction means are classified according to the corresponding kind of chain
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a lifting mechanism of a belt type oil pumping unit, which comprises a driving chain wheel, a driven chain wheel and a stroke adjusting bracket for supporting the driven chain wheel, and a double-row chain in transmission connection with the driving chain wheel and the driven chain wheel, the double-row chain is connected through a transition chain link, the double-row chain comprises a plurality of quick-release sections which are mutually connected, the double-row chain reduces the degree of the chain which is deflected to one side by lateral force, is beneficial to increasing the load and prolonging the service life of the chain, and the operation stability of the lifting mechanism, and reduces the abrasion of the chain deflection to the teeth of the chain wheel, the double-row chain realizes quick assembly and disassembly through the quick disassembly section, the problem of double chain dismouting inconvenient when adjusting belt formula beam-pumping unit stroke is solved, very big improvement carry out the work efficiency that the stroke was adjusted to belt formula beam-pumping unit, further do benefit to the productivity that increases belt formula beam-pumping unit.
Description
Technical Field
The embodiment of the invention relates to the technical field of oil pumping machinery, in particular to a lifting mechanism of a belt type oil pumping unit.
Background
At present, oil recovery modes are divided into a self-spraying mode and a mechanical mode. Self-injection is the production of oil out of the ground by utilizing the self-pressure in the oil well, and the mode is commonly used in newly developed oil fields; however, the oil field is continuously developed, the underground pressure is continuously reduced until the self-blowing is not realized, and mechanical equipment is required to be adopted for pumping oil. The most common application of the beam-pumping unit is the beam-pumping unit, and the beam-pumping unit is widely used in oil fields because of simple structure, easy manufacture and convenient maintenance. However, as the oil well is deeper and deeper, and the proportion of heavy oil, condensate oil and sand well is higher and higher, a long-stroke and low-impact pumping unit is urgently needed.
In order to meet the requirements of the oil well on pumping equipment, enterprises such as wedefu and the like invent a novel pumping unit, namely a belt type pumping unit. The belt pumping unit better solves the oil extraction problem of deep wells and heavy oil wells, but the belt pumping unit has the defects of short service life, poor stability and the like in part of key parts due to complex structure. Chain formula hoist mechanism has directly decided the goodness and badness of belt formula beam-pumping unit performance as belt formula beam-pumping unit core component, but current single chain formula hoist mechanism ubiquitous life-span is low, promote poor stability scheduling problem, and it is more to maintain and overhaul the number of times, has influenced the productivity of crude oil exploitation.
Disclosure of Invention
Therefore, the embodiment of the invention provides a lifting mechanism of a belt type oil pumping unit, which aims to solve the problem that in the prior art, the yield of crude oil exploitation is reduced due to more maintenance and overhaul times caused by the low service life and poor stability of a single-chain type lifting mechanism.
In order to achieve the above object, the embodiment of the present invention discloses the following technical solutions:
the utility model provides a hoist mechanism of belt formula beam-pumping unit, includes drive sprocket, driven sprocket, is used for supporting driven sprocket's stroke control support, and the transmission is connected drive sprocket driven sprocket's double chain, drive sprocket and driven sprocket with what double chain suited all is provided with double sprocket, double chain passes through the transition chain link and connects, just double chain includes a plurality of interconnect's quick detach section.
Further, the stroke adjusting support comprises a fixing support and a lifting support, and the fixing support is connected with the lifting support through a hydraulic cylinder.
Further, install straining device on the lifting support, the stroke control support passes through straining device installs the driven sprocket support, driven sprocket rotates to be installed on the driven sprocket support.
Further, straining device is including installing base on the lifting support to and with driven sprocket support normal running fit's axle bed, be equipped with a plurality of evenly distributed's screw hole on the axle bed, screw hole female connection has support adjusting bolt, base and support adjusting bolt pass through support adjusting bolt connects.
Further, the transition chain link includes the base plate, sets up three outer link joint on the base plate to and install perpendicularly in one side connecting axle on the outer link joint is adjacent all be equipped with between the outer link joint with double chain assorted chain slot, and three all be equipped with a pair of sprocket hole on the outer link joint.
Furthermore, it is adjacent through quick detach link joint and quick detach chain hub connection between the adjacent chain link of quick detach section, the tip of quick detach chain hub be equipped with quick detach link joint matched with annular.
Further, the quick detach link joint includes two plate bodys, the both ends of plate body all are equipped with the sprocket hole, one side of plate body is equipped with the intercommunication the slot in sprocket hole.
Furthermore, a plurality of quick detach link joint is last to be equipped with length scale in proper order.
The embodiment of the invention has the following advantages:
(1) the double-row chain reduces the degree that the chain is deflected to one side under the lateral force, is beneficial to increasing the load and prolonging the service life of the chain, and the operation stability of the lifting mechanism, reduces the abrasion of the deflection of the chain to the teeth of the chain wheel, prolongs the service life of the chain wheel, thereby reducing the maintenance times of the belt type oil pumping unit and being beneficial to improving the crude oil productivity;
(2) quick assembly disassembly is realized through being provided with the quick detach section to double chain, has not only solved the inconvenient problem of double chain dismouting when adjusting belt formula beam-pumping unit stroke, and has done further optimization to the length adjustment of double chain, very big improvement carry out the work efficiency that the stroke was adjusted to belt formula beam-pumping unit, be favorable to increasing the productivity of belt formula beam-pumping unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a stroke adjustment bracket according to an embodiment of the present invention;
FIG. 3 is a schematic view of a transition link configuration according to an embodiment of the present invention;
FIG. 4 is a schematic view of a tensioning mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a quick release section according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a quick release link plate according to an embodiment of the present invention.
In the figure:
1-a drive sprocket; 2-drive sprocket key; 3-double rows of chains; 4-a driven sprocket; 5-bearing outer ring gland bush; 6-a transition link; 7-driven sprocket support; 8-bracket adjusting bolt; 9-stroke adjusting bracket; 10-small spacer bush a of the chain wheel; 11-cylindrical roller bearings; 12-bearing inner ring gland bush; 13-sprocket big spacer bush; 14-chain axis; 15-small spacer bushes of the chain wheel; 16-bearing seal covers; 17-a tensioning mechanism;
301-a quick release section; 302-quick detach link plate; 303-quick release chain shaft;
3021-plate body; 3022-sprocket holes; 3023-slot; 3031-ring groove;
601-a substrate; 602-an outer link plate; 603-chain groove;
901-fixing a bracket; 902-a lifting support; 903-hydraulic cylinder;
1701-a base; 1702-axis seat.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the invention discloses a lifting mechanism of a belt type pumping unit, which comprises a driving sprocket 1, a driven sprocket 4, a stroke adjusting bracket 9 for supporting the driven sprocket 4, and two double-row chains 3 in transmission connection with the driving sprocket 1 and the driven sprocket 4, wherein the driving sprocket 1 and the driven sprocket 4 are provided with two rows of chain teeth corresponding to the two double-row chains 3, the two double-row chains 3 are connected through a transition chain link 6, and the double-row chains 3 comprise a plurality of quick release sections 301 which are separated from each other.
The driving chain wheel 1 is fixedly connected with a motor, a diesel engine or a gasoline engine in the circumferential direction through a driving chain wheel key 2, a double-row chain 3 meshed with the driving chain wheel 1 is driven by the rotating driving chain wheel 1 to circularly move around the driving chain wheel 1 and a driven chain wheel 4, a transition chain link 6 circularly moves along with the double-row chain 6, and the transition chain link 6 is connected with a belt of a belt type pumping unit, so that the belt of the belt type pumping unit is driven to circularly reciprocate up and down to enable the belt type pumping unit to continuously work. The double-row chain 3 generally comprises chain links, link plates and chain shafts, and the transition chain links 6 are fixed on the chain links of the double-row chain 3 through the chain shafts of the double-row chain 3.
At present, the lifting mechanism of the belt type pumping unit adopts a single-row chain, and the embodiment of the invention provides the lifting mechanism adopting the double-row chain 3, compared with the single-row chain, the double-row chain 3 applied to the lifting mechanism of the belt type pumping unit has the following advantages:
the double-row chain 3 has higher structural strength, and is beneficial to increasing the load and prolonging the service life of the chain;
because the chain of the lifting mechanism is connected with the transmission part, the lateral force applied to the chain is large, the bearing degree of the chain to the lateral force is increased by the double-row chain 3, the degree that the chain is deflected to one side due to the lateral force is greatly reduced, the stability of the operation of the lifting mechanism is facilitated, and the deflection degree of the chain is small, so that the abrasion of the deflection of the chain to the teeth of the chain wheel is reduced, the service life of the chain wheel is prolonged, the maintenance frequency of the belt type oil pumping unit is reduced, and the yield of crude oil is improved.
And because belt formula beam-pumping unit is when adjusting the stroke, not only need adjust the interval between driven sprocket 4 and the drive sprocket 1 through stroke adjusting support 9, still need carry out the dismouting to the chain of connecting drive sprocket 1 and driven sprocket 4, do the adaptability adjustment to chain length to keep the tensioning degree of chain, reach the purpose of adjusting belt formula beam-pumping unit stroke.
Belt formula beam-pumping unit need shut down when carrying out the stroke to belt formula beam-pumping unit machine, but the not easy dismouting of present chain structure, and the degree of difficulty of chain dismouting has further been increased in setting up of double chain 3, the work efficiency of carrying out the stroke regulation to belt formula beam-pumping unit has been reduced, not only influence crude oil productivity, and if belt formula beam-pumping unit down time is comparatively, crude oil in the oil pumping pipeline is because of the action of gravity with outside air suction in the oil pumping pipeline, probably lead to the efficiency reduction of belt formula beam-pumping unit, take place abnormal sound scheduling problem, further influence crude oil productivity.
In order to solve the disadvantage that the double-row chain 3 is not easy to disassemble and assemble during the stroke adjustment of the belt type pumping unit, the double-row chain 3 is arranged into a plurality of quick-release sections 301, the quick-release sections 301 are arranged at intervals with a general chain structure, and the quick-release sections 301 also comprise a general chain structure, but the difference is that two ends of each quick-release section 301 are connected with two end chain links of the adjacent quick-release section 301 or the general chain through quick-release chain plates 302 and quick-release chain shafts 303.
Moreover, the lengths of the quick-release sections 301 can be marked on the quick-release chain plates 302 at the two ends, so that the number of links to be increased or decreased can be calculated quickly when the stroke of the belt-type pumping unit is adjusted, and the lengths of the quick-release sections 301 can be the same or different and are correspondingly set according to actual use requirements.
Through the double chain 3 that is provided with quick detach section 301, the inconvenient problem of 3 dismouting of double chain when adjusting belt formula beam-pumping unit stroke has not only been solved, and further optimization has been done to the length adjustment of double chain 3, thereby make double chain 3 can be applicable to the use of belt formula beam-pumping unit, when reducing the maintenance number of times of belt formula beam-pumping unit and improving belt formula beam-pumping unit operating stability and life, very big improvement carries out the work efficiency that the stroke was adjusted to belt formula beam-pumping unit, be favorable to increasing the productivity of belt formula beam-pumping unit.
The quick release link plate 302 is described in detail as follows:
the end of the quick-release chain shaft 303 is provided with a ring groove 3031 matched with the quick-release chain plate 302.
The quick detach link joint 302 includes two plate bodies 3021, two the both ends of plate body 3021 all are equipped with sprocket hole 3022, one side of plate body 3021 is equipped with the intercommunication slot 3023 of sprocket hole 3022.
The quick-release chain shaft 303 is inserted in a chain shaft hole of the chain link in a sliding manner, annular grooves 3031 are formed in two ends of the quick-release chain shaft 303, the width of the groove 3031 formed in the slot 3023 and the quick-release chain shaft 303 is the same, the slot 3023 and the annular grooves 3031 are aligned behind the slot 3023, the two plate bodies 3021 slide oppositely from two sides of the chain link until the chain shaft holes 3022 of the two plate bodies 3021 coincide with each other, at the moment, the peripheries of the chain shaft holes 3022 of the two plate bodies 3021 are clamped in the annular grooves 3031 of the quick-release chain shaft 303, and the two plate bodies 3021 and the quick-release.
Quick detach link joint 302 is provided with four with double chain 3 suits, and keeps away from one side mutually of four plate bodies 3021 of quick detach chain 303 both sides and all is connected through connecting portion to make things convenient for quick assembly disassembly of quick detach link joint 302, and one side at connecting portion both ends all is provided with elastic barb, and quick detach chain 303 both sides connecting portion pass through barb reciprocal anchorage, avoids two plate bodies 3021 in the same quick detach link joint 302 to separate when using.
The stroke adjusting support 9 comprises a fixed support 901 and a lifting support 902, the fixed support 901 is connected with the lifting support 902 through a hydraulic cylinder 903, the fixed support 901 is fixed on supports such as the ground, the lifting support 902 is driven to lift through the hydraulic cylinder 903, the distance between the driving chain wheel 1 and the driven chain wheel 4 is adjusted, the length of the double-row chain 3 is adjusted correspondingly, the tightness degree of the double-row chain 3 is ensured, and therefore stroke adjustment of the belt type pumping unit is achieved.
Transition link 6 includes base plate 601, sets up three outer link joint 602 on the base plate 601 to and install perpendicularly in one side connecting axle 603 on the outer link joint 602, transition link 6 passes through chain axle 14 to be fixed on double chain 3, and connecting axle 603 is connected with the belt of belt formula beam-pumping unit, and is adjacent all be equipped with between the outer link joint 602 with double chain 3 assorted chain groove 604, the both sides chain of double chain 3 is arranged in two chain grooves 604 respectively, reduces the wearing and tearing between double chain 3 self.
Install straining device 17 on the lifting support 902, the stroke control support 9 passes through straining device 17 installs driven sprocket support 7, driven sprocket 4 rotates to be installed driven sprocket support 7 is last, through the height of straining device 17 adjustment driven sprocket support 7 to further adjust the interval between driven sprocket 4 and the drive sprocket 1, guarantee the tensioning degree of double chain 3.
The tensioning mechanism 17 comprises a base 1701 mounted on the lifting support 902 and a shaft seat 1702 rotationally matched with the driven sprocket support 7, wherein a plurality of uniformly distributed threaded holes are formed in the shaft seat 1702, support adjusting bolts 8 are connected to the threaded holes in a threaded manner, the base 1701 and the support adjusting bolts 8 are connected through the support adjusting bolts 8, the bottom of each support adjusting bolt 8 is rotationally and axially fixedly mounted on the base 1701, and the shaft seat 1702 is driven to move relative to the base 1701 by rotating the support adjusting bolts 8, so that the height of the driven sprocket 4 is adjusted.
In addition, the driven sprocket 4 is mounted on the driven sprocket support 7 through a cylindrical roller bearing 11, and a bearing seal cover 16 and a bearing inner ring gland 12 are mounted at one end of the cylindrical roller bearing 7, the bearing seal cover 16 and the bearing inner ring gland 12 being used for sealing grease. The inner ring of the driven sprocket 4 is axially and sequentially provided with a sprocket small spacer 15, a sprocket small spacer a10 and a sprocket large spacer 13, and the sprocket small spacer 15, the sprocket small spacer a10 and the sprocket large spacer 13 axially fix the driven sprocket 4 and reduce the abrasion of the inner ring of the driven sprocket 4.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a hoist mechanism of belt formula beam-pumping unit, its characterized in that includes drive sprocket (1), driven sprocket (4), is used for supporting support (9) are adjusted to the stroke of driven sprocket (4), and the transmission is connected drive sprocket (1) double chain (3) of driven sprocket (4), drive sprocket (1) and driven sprocket (4) with what double chain (3) suited all is provided with double sprocket, double chain (3) are connected through transition chain link (6), just double chain (3) include a plurality of interconnect's quick detach section (301).
2. The lifting mechanism of the belt type oil pumping unit according to claim 1, characterized in that the stroke adjusting bracket (9) comprises a fixed bracket (901) and a lifting bracket (902), and the fixed bracket (901) and the lifting bracket (902) are connected through a hydraulic cylinder (903).
3. The lifting mechanism of a belt type oil pumping unit according to claim 2, characterized in that a tensioning mechanism (17) is installed on the lifting support (902), the stroke adjusting support (9) is provided with a driven sprocket support (7) through the tensioning mechanism (17), and the driven sprocket (4) is rotatably installed on the driven sprocket support (7).
4. The lifting mechanism of the belt type oil pumping unit according to claim 3, characterized in that the tensioning mechanism (17) comprises a base (1701) mounted on the lifting support (902) and a shaft seat (1702) rotatably engaged with the driven sprocket support (7), the shaft seat (1702) is provided with a plurality of uniformly distributed threaded holes, the threaded holes are internally threaded with support adjusting bolts (8), and the base (1701) and the support adjusting bolts (8) are connected through the support adjusting bolts (8).
5. The lifting mechanism of the belt type oil pumping unit according to claim 1, wherein the transition link (6) comprises a base plate (601), three outer link plates (602) arranged on the base plate (601), and a connecting shaft (603) vertically arranged on one side of the outer link plates (602), chain grooves (604) matched with the double-row chains (3) are arranged between every two adjacent outer link plates (602), and a pair of chain shaft holes (605) is arranged on every three outer link plates (602).
6. The lifting mechanism of a belt type oil pumping unit according to claim 1, wherein adjacent chain links of adjacent quick release segments (301) are connected through quick release chain plates (302) and quick release chain shafts (303), and the ends of the quick release chain shafts (303) are provided with ring grooves (3031) matched with the quick release chain plates (302).
7. The lifting mechanism of the belt type oil pumping unit as claimed in claim 6, wherein the quick-release chain plate (302) comprises two plate bodies (3021), the two ends of the plate body (3021) are both provided with chain shaft holes (3022), and one side of the plate body (3021) is provided with a slot (3023) communicated with the chain shaft hole (3024).
8. The lifting mechanism of a belt-type pumping unit as claimed in claim 7, wherein a plurality of quick release link plates (302) are sequentially provided with length scales.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010069671.9A CN111156297A (en) | 2020-01-21 | 2020-01-21 | Lifting mechanism of belt type oil pumping unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010069671.9A CN111156297A (en) | 2020-01-21 | 2020-01-21 | Lifting mechanism of belt type oil pumping unit |
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CN111156297A true CN111156297A (en) | 2020-05-15 |
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Family Applications (1)
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CN202010069671.9A Withdrawn CN111156297A (en) | 2020-01-21 | 2020-01-21 | Lifting mechanism of belt type oil pumping unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113047817A (en) * | 2021-04-30 | 2021-06-29 | 德瑞石油装备(青岛)有限公司 | Belt type oil pumping machine with novel balancing weight |
WO2021148876A1 (en) * | 2020-01-21 | 2021-07-29 | Apex Oilfield Equipment (Qingdao) Co., Ltd. | Lifting mechanism for belt-type pumping unit |
CN114607739A (en) * | 2022-05-11 | 2022-06-10 | 东营孚瑞特石油机械设备有限公司 | Non-beam type rotary motor reversing oil pumping machine |
-
2020
- 2020-01-21 CN CN202010069671.9A patent/CN111156297A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021148876A1 (en) * | 2020-01-21 | 2021-07-29 | Apex Oilfield Equipment (Qingdao) Co., Ltd. | Lifting mechanism for belt-type pumping unit |
CN113047817A (en) * | 2021-04-30 | 2021-06-29 | 德瑞石油装备(青岛)有限公司 | Belt type oil pumping machine with novel balancing weight |
CN114607739A (en) * | 2022-05-11 | 2022-06-10 | 东营孚瑞特石油机械设备有限公司 | Non-beam type rotary motor reversing oil pumping machine |
CN114607739B (en) * | 2022-05-11 | 2022-07-15 | 东营孚瑞特石油机械设备有限公司 | Non-beam type rotating motor reversing oil pumping machine |
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Application publication date: 20200515 |