CN108412464B - Lead screw formula beam-pumping unit balancing piece adjusting device - Google Patents
Lead screw formula beam-pumping unit balancing piece adjusting device Download PDFInfo
- Publication number
- CN108412464B CN108412464B CN201810418769.3A CN201810418769A CN108412464B CN 108412464 B CN108412464 B CN 108412464B CN 201810418769 A CN201810418769 A CN 201810418769A CN 108412464 B CN108412464 B CN 108412464B
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- Prior art keywords
- protective cover
- driving gear
- clamping plate
- pumping unit
- hole
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- Expired - Fee Related
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- 238000005086 pumping Methods 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 51
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/14—Counterbalancing
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a screw rod type balance block adjusting device of an oil pumping unit. The adjusting device for the balance weight of the screw rod type oil pumping unit comprises four parts, namely a fixing unit, a moving unit, a clamping unit and a labor-saving wrench; the fixing unit comprises a fixing seat, a convex block, two first rib plates and a positioning bolt; the upper end of the fixed seat is used for penetrating through the screw rod, and the lower end of the fixed seat is used for penetrating through the feed bar; the moving unit comprises a feed rod, a screw rod, a driving gear, two driven gears, a driving gear shaft, a front protective cover and a rear protective cover, wherein the driving gear, the driven gears and the gear shaft are positioned in a cavity formed by the rear protective cover and the front protective cover; the wrench head of the labor-saving wrench is square and is matched with the square hole on the driving gear shaft; the clamping unit comprises a front clamping plate, a rear clamping plate and a fastening bolt. The invention can be suitable for the balance blocks with different sizes, and can carry out bidirectional adjustment on the positions of the balance blocks on the crank after being installed.
Description
The technical field is as follows:
the invention relates to a screw rod type balance block adjusting device of an oil pumping unit, which is applied to the field of balance adjustment of the oil pumping unit in the petroleum industry.
Background art:
the load balance of the upper stroke and the lower stroke of the pumping unit is vital to the efficient operation of the pumping unit, the pumping unit can continuously deteriorate the working state of a crank pin when operating in an unbalanced state for a long time, and the consequences of shortened service life of a motor, a crank connecting rod mechanism and a speed reducer, breakage of a pumping rod and energy waste are easily caused. The balance weight adjusting method of the oil pumping unit commonly used at present is that a crow bar is used for prying, a plurality of persons are required to operate together, the moving position of the balance weight cannot be accurately controlled in operation, the balance weight is easy to drop in adjustment, personal injuries and deaths are caused, in addition, the balance weight is slow to move in the adjustment process, the period is long, and the labor intensity of workers is high.
The invention content is as follows:
in order to solve the technical problems mentioned in the background technology, the invention provides a screw rod type oil pumping unit balance block adjusting device, which aims to solve the problems that the position is not accurately adjusted and the adjustment is time-consuming and labor-consuming in the existing crow bar prying balance block adjusting mode.
The technical scheme of the invention is as follows: the adjusting device for the balance block of the screw rod type oil pumping unit mainly comprises a fixing unit, a moving unit, a clamping unit and a labor-saving wrench. The fixing unit comprises a fixing seat, a balance block locking block, a square head positioning bolt and a matched nut. The moving unit comprises a polished rod, a screw rod, a driving gear shaft and a front protective cover and a rear protective cover. The clamping unit comprises a front clamping plate, a rear clamping plate and a fastening bolt.
The upper end of the fixed seat of the fixed unit is provided with two threaded holes for penetrating through a lead screw; the lower end of the light bar is provided with two through holes for passing through the light bar; the bottom of the fixed seat is provided with a through hole for passing through the square head positioning bolt, and the head of the square head positioning bolt is processed into a square shape and matched with the groove on the crank; the side surface of the fixed seat is provided with a convex block which is provided with a through hole and is used for connecting a locking block with a balance block of the pumping unit; the lower end of the fixed seat is provided with two first rib plates for clamping the crank, so that the whole device is prevented from inclining during adjustment.
One end of the screw rod of the moving unit penetrates through a threaded hole in the fixed seat, the other end of the screw rod is a polished rod, a key groove is machined in the screw rod, and the screw rod is connected with the driven gear through a key. The driving gear is installed on the driving gear shaft, a square hole is formed in the end portion of the driving gear shaft and used for being matched with a square head of the labor-saving wrench, and the driving gear is located in the middle of the two driven gears and drives the two driven gears to rotate in the same direction. One end of the light bar penetrates through the through hole at the lower end of the fixed seat, and the other end of the light bar is connected with the front protective cover so as to determine the positions of the fixed unit and the movable unit. The front and rear protective covers are provided with through holes for matching with the shaft ends of the driving and driven gear shafts to limit the axial positions of the driving and driven gears, and two rib plates are processed at the lower ends of the front and rear protective covers for clamping a crank.
The front clamping plate of the clamping unit is connected with the rear protective cover through a screw, a lifting lug is processed on the front clamping plate and the rear clamping plate and is used for being connected with the front clamping plate and the rear clamping plate through a fastening bolt through the fastening bolt, and the relative position relation can be adjusted according to the size of the balance block. The lower ends of the front and the rear clamping plates are provided with grooves for clamping the crank.
The labor-saving wrench is of a bidirectional ratchet type structure, and the wrench head is processed into a square shape and matched with a square hole on the driving gear shaft.
When the device works, the crank of the oil pumping unit is put flat in advance, and the balance block locking block is taken down. The components of the mobile unit are connected and then the front cover is connected to the rear protective cover of the mobile unit by screws. According to the position that the balancing piece is on the crank, install this device in balancing piece one side to adjust the lead screw position according to the displacement size that will adjust, paste the balancing piece with the preceding splint. The square head positioning bolt is put into the crank groove, passes through the through hole at the bottom end of the fixing seat, is screwed by the nut, the locking block detached from the oil pumping unit balance block is connected with the convex block at the front end of the fixing seat through the bolt, and the teeth on the balance block locking block are matched with the teeth on the crank to fix the position of the device on the crank. And (4) passing a fastening bolt through the through holes on the front clamping plate lifting lug and the rear clamping plate lifting lug, tightly attaching the rear clamping plate to the other side of the balance block, and then screwing a fastening nut.
When adjusting the balancing piece position, cooperate the square head on the laborsaving spanner and the square hole of driving gear axle head, the direction that needs to remove according to the balancing piece, the adjustment knob at the adjustment laborsaving spanner back changes the direction of ratchet, rotate laborsaving spanner through the manpower, it is rotatory to drive the driving gear, the driving gear drives the driven gear syntropy rotation of both sides, thereby it is rotatory to drive the lead screw, the relative motion of lead screw and fixing base screw hole drives mobile unit and the motion of centre gripping unit, thereby reach the purpose of adjusting the balancing piece position.
The invention has the following beneficial effects: the device has compact structure and convenient installation, can realize the bidirectional adjustment of the balance weight on the crank without changing the position of the device, has accurate adjustment of the position of the balance weight, and has small labor intensity of workers during adjustment. The lower end of the device is provided with a rib plate or a groove for clamping a crank, so that the phenomenon that the balance block falls off obliquely to cause personal injury and death when the device works is avoided.
Description of the drawings:
fig. 1 is a schematic view of the mounting structure of the balance block moving unit of the screw-type pumping unit.
Fig. 2 is a schematic structural diagram of a balance block moving unit of the screw-type pumping unit.
Fig. 3 is a schematic structural diagram of a balance block moving unit of the screw-type pumping unit.
Fig. 4 is a schematic structural diagram of the inverted balance block moving unit of the screw-type pumping unit.
Fig. 5 is a schematic structural diagram of a driving gear and a driven gear of a balance block moving unit of the screw-type pumping unit.
Fig. 6 is a schematic structural view of a labor-saving wrench of a balance block moving unit of the screw-type pumping unit.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings in which:
this kind of screw rod formula beam-pumping unit balancing piece adjusting device, including fixed unit, mobile unit, centre gripping unit and laborsaving spanner four bibliographic categories branch, its unique characterized in that:
the fixing unit comprises a fixing seat 5, a convex block 12, two first rib plates 15 and a square head positioning bolt 3; the upper end of the fixed seat is provided with two threaded holes 14 for penetrating through the lead screw 6, the lower end of the fixed seat is provided with two first through holes 13 for penetrating through the feed rod 7, and the bottom of the fixed seat is also provided with two second through holes for penetrating through the square head positioning bolt; the bolt head of the square head positioning bolt is square so as to be matched with a positioning groove on the crank 1 of the oil pumping unit; the convex block 12 is fixed on the side surface of the fixed seat, and a third through hole is formed in the convex block and used for connecting a balance block locking block 4 of the pumping unit; the two first rib plates are positioned on the lower end surface of the fixed seat and used for clamping the crank of the oil pumping unit so as to prevent the whole device from inclining during adjustment;
the moving unit comprises a polished rod 7, a lead screw 6, a driving gear 20, two driven gears 21, a driving gear shaft 22, a front protective cover 8 and a rear protective cover 9, the front protective cover 8 and the rear protective cover 9 are connected through screws, the driving gear 20, the driven gears 21 and the driving gear shaft 22 are located in a cavity formed by the rear protective cover 9 and the front protective cover 8, and the driving gear is located in the middle of the two driven gears and can simultaneously drive the two driven gears to rotate in the same direction; the front protective cover 8 is provided with a fourth through hole and a middle through hole; the end of the driving gear shaft 22 is provided with a square hole 19; one end of the screw rod 6 is an optical axis and is provided with an optical axis end shaft shoulder and a key groove, and the other end of the screw rod 6 is provided with a thread; one end with threads of the screw rod 6 penetrates through the fourth through hole in the front protective cover 8 and is limited by the optical axis end shoulder, and a driven gear 21 is installed at the optical axis end of the screw rod through a key; the driving gear shaft 22 penetrates through the driving gear 20 to form a whole, and the shaft end with the square hole 19 on the driving gear shaft penetrates through the middle through hole of the front protective cover 8 and is limited by a shaft shoulder on the driving gear shaft; one end of the light bar penetrates through the first through hole 13, and the other end of the light bar is fixedly connected with the front protective cover; shaft holes are formed in the front protective cover and the rear protective cover and are used for being matched with shaft ends of the driving gear shaft and the driven gear shaft so as to limit the axial positions of the driving gear shaft, the driven gear shaft and the driven gear shaft; two second rib plates are arranged on the lower end surfaces of the front protective cover and the rear protective cover and used for clamping the crank of the oil pumping unit;
the labor-saving wrench is of a bidirectional ratchet structure, the wrench head is square and is matched with the square hole 19 on the driving gear shaft, so that the wrench head can be inserted into the square hole 19;
the clamping unit comprises a front clamping plate 16, a rear clamping plate 11 and a fastening bolt 10; the front clamping plate 16 and the rear clamping plate 11 are provided with lifting lugs 17 for passing through the fastening bolts, and the front clamping plate and the rear clamping plate are connected through the fastening bolts; the lower ends of the front clamping plate and the rear clamping plate are provided with grooves 18 for clamping the crank of the oil pumping unit;
the square head positioning bolt 3 passes through a second through hole at the lower end of the fixed seat, is positioned in a positioning groove of the crank of the oil pumping unit, and is screwed down through a nut; balance weight 2 need be located between preceding, the back splint and with preceding, the back splint touch mutually, balance weight locking piece 4 passes through connecting bolt and installs on lug 12 on fixing base 5, tooth on the balance weight locking piece 4 with tooth on the beam-pumping unit crank cooperatees.
As shown in fig. 1, the device of the present invention is mounted on the crank 1 on one side of the balance weight 2 for clamping the balance weight 2, depending on the position of the balance weight 2 on the crank 1. The device mainly comprises a fixing unit I, a moving unit II, a clamping unit III and a labor-saving wrench IV.
As shown in fig. 2, the fixing unit i of the present invention includes a fixing base 5, a balance block 4, and a square head positioning bolt 3.
As shown in fig. 2 and 5, the moving unit ii of the present invention includes a lever 7, a lead screw 6, a driving gear 20, a driven gear 21, a driving gear shaft 22, a front protective cover 8, and a rear protective cover 9, wherein a square hole 19 is formed at an end of the driving gear shaft 22.
As shown in fig. 2 and 4, the clamping unit iii of the present invention comprises a front clamping plate 16, a rear clamping plate 11 and a fastening bolt 10, wherein the lower ends of the front and rear clamping plates 16, 11 are provided with grooves 18, and the two sides are provided with lifting lugs 17.
As shown in fig. 6, the head of the labor-saving wrench IV of the invention is provided with a square head 23
As shown in fig. 3 and 4, the fixing seat 5 of the present invention has two threaded holes 14 formed at the upper end, two through holes 13 formed at the lower end, a protrusion 12 formed at the side surface, and two rib plates 15 formed at the bottom.
When the device works, the crank 1 of the oil pumping unit is put flat in advance, and the balance block locking block 4 is taken down. A light bar 7 in the moving unit II is connected with a front protective cover 8 in a welding mode, one end of a lead screw 6 is an optical axis, one end, provided with threads, of the lead screw 6 penetrates through a through hole in the front protective cover 8 and is limited through an optical axis end shaft shoulder, and a driven gear 21 is installed at the optical axis end of the lead screw 6 through a key. The driving gear 20 and the driving gear shaft 22 are designed into a whole, and the shaft end with the square hole 19 penetrates through a through hole in the middle of the front protective cover 8 and is limited by a shaft shoulder of the driving gear shaft. And the rear protective cover 9 is installed, through holes in the rear protective cover are respectively matched with a smooth shaft end and a driving gear shaft of the screw rod, the rear protective cover 9 is limited by a smooth shaft end shoulder and a driving gear shaft shoulder, and the rear protective cover 9 is connected with the front protective cover 8 by screws.
The fastening bolt 10 is inserted through the through hole of the lifting lug 17 on the front clamping plate 16, and the front clamping plate 16 is connected with the rear protective cover 9 through a screw.
The screw rod 6 and the feed rod 7 penetrate through the threaded hole 14 and the through hole 13 on the fixed seat 5, and the relative positions of the fixing unit I and the moving unit II are adjusted according to the needed adjusting direction and displacement of the balance block 2.
The device that will install above-mentioned is according to the balancing piece position mounting in 2 one sides of balancing piece on crank 1, puts into crank 1 groove with the square head positioning bolt 3 of processing, makes it and the through-hole of fixing base 5 lower extreme cooperate to install the nut and screw up, guarantee during the installation that preceding splint 16 contacts with balancing piece 2. The balance weight locking block 4 detached from the balance weight 2 is arranged on the convex block 12 on the fixed seat 5 through the connecting bolt, and the teeth on the locking block 4 are matched with the teeth on the crank 1 to limit the position of the device on the crank 1.
The rear clamping plate 11 passes through the fastening bolt 10, so that the rear clamping plate 11 is in contact with the other side of the balance weight 2, and the nut is screwed.
The lower ends of the fixed seat 5 and the front and rear protective covers 8 and 9 are provided with rib plates 15, and the lower ends of the front and rear clamping plates 16 and 11 are provided with grooves 18 for clamping the crank 1, so that the device is prevented from inclining during working.
The square head 23 on the labor-saving wrench IV is matched with the square hole 19 at the end of the driving gear shaft 22, the direction of a ratchet wheel is changed by adjusting an adjusting knob at the back of the labor-saving wrench IV according to the direction in which the balance block 2 needs to move, the labor-saving wrench IV is rotated manually to drive the driving gear 20 to rotate, the driving gear 20 drives the driven gears 21 at two sides to rotate in the same direction, so that the lead screw 6 is driven to rotate, the lead screw 6 and the threaded hole 14 of the fixing seat 5 move relatively to drive the moving unit II and the clamping unit III to move, and the purpose of adjusting the position of. The device can adjust the moving distance of the balance weight 2 by controlling the displacement of the moving unit II, so that the position adjustment of the balance weight 2 is more accurate.
Claims (1)
1. The utility model provides a lead screw formula beam-pumping unit balancing piece adjusting device, includes fixed unit, mobile unit, centre gripping unit and laborsaving spanner four bibliographic categories branch, its characterized in that:
the fixing unit comprises a fixing seat, a convex block, two first rib plates and a square head positioning bolt; the upper end of the fixed seat is provided with two threaded holes for penetrating through a lead screw, the lower end of the fixed seat is provided with two first through holes for penetrating through a feed bar, and the bottom of the fixed seat is also provided with two second through holes for penetrating through the square head positioning bolt; the bolt head of the square head positioning bolt is square so as to be matched with a positioning groove on a crank of the oil pumping unit; the convex block is fixed on the side surface of the fixed seat, and a third through hole is formed in the convex block and used for connecting a balance block locking block of the pumping unit; the two first rib plates are positioned on the lower end surface of the fixed seat and used for clamping the crank of the oil pumping unit so as to prevent the whole device from inclining during adjustment;
the movable unit comprises a feed rod, a screw rod, a driving gear, two driven gears, a driving gear shaft, a front protective cover and a rear protective cover, the front protective cover is connected with the rear protective cover through screws, the driving gear, the driven gears and the driving gear shaft are positioned in a cavity formed by the rear protective cover and the front protective cover, and the driving gear is positioned in the middle of the two driven gears and can simultaneously drive the two driven gears to rotate in the same direction; a fourth through hole and a middle through hole are formed in the front protective cover; the end part of the driving gear shaft is provided with a square hole; one end of the screw rod is an optical axis and is provided with an optical axis end shaft shoulder and a key groove, and the other end of the screw rod is provided with a thread; one end with threads of the screw rod penetrates through the fourth through hole in the front protective cover, the screw rod is limited by the shaft shoulder at the optical axis end, and a driven gear is installed at the optical axis end of the screw rod through a key; the driving gear shaft penetrates through the driving gear to form a whole, and the shaft end with the square hole on the driving gear shaft penetrates through the middle through hole of the front protective cover and is limited by the shaft shoulder of the driving gear shaft; one end of the light bar penetrates through the first through hole, and the other end of the light bar is fixedly connected with the front protective cover; shaft holes are formed in the front protective cover and the rear protective cover and are used for being matched with shaft ends of the driving gear shaft and the driven gear shaft so as to limit the axial positions of the driving gear and the driven gear; two second rib plates are arranged on the lower end surfaces of the front protective cover and the rear protective cover and used for clamping the crank of the oil pumping unit;
the labor-saving wrench is of a bidirectional ratchet structure, and the wrench head is square and matched with the square hole on the driving gear shaft, so that the wrench head can be inserted into the square hole;
the clamping unit comprises a front clamping plate, a rear clamping plate and a fastening bolt; the front clamping plate and the rear clamping plate are provided with lifting lugs and are used for being connected through the fastening bolts; the lower ends of the front clamping plate and the rear clamping plate are provided with grooves for clamping the crank of the oil pumping unit;
the square head positioning bolt penetrates through the second through hole at the lower end of the fixed seat, is positioned in the positioning groove of the crank of the oil pumping unit, and is screwed down through a nut; the balancing block is required to be located between the front clamping plate and the rear clamping plate and is in contact with the front clamping plate and the rear clamping plate, the balancing block locking block is installed on a convex block on the fixing seat through a connecting bolt, and teeth on the balancing block locking block are matched with teeth on a crank of the oil pumping unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418769.3A CN108412464B (en) | 2018-05-04 | 2018-05-04 | Lead screw formula beam-pumping unit balancing piece adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418769.3A CN108412464B (en) | 2018-05-04 | 2018-05-04 | Lead screw formula beam-pumping unit balancing piece adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108412464A CN108412464A (en) | 2018-08-17 |
| CN108412464B true CN108412464B (en) | 2020-05-05 |
Family
ID=63137626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810418769.3A Expired - Fee Related CN108412464B (en) | 2018-05-04 | 2018-05-04 | Lead screw formula beam-pumping unit balancing piece adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412464B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6450050B1 (en) * | 2000-03-30 | 2002-09-17 | No. 3 Machine Tool Plant Of The Xinjiang Uygur Autonomous Region | Walking beam balanced span and moment regulating economized oil pump and a stroke regulating device of the same |
| CN202467783U (en) * | 2012-03-12 | 2012-10-03 | 东北石油大学 | Lateral jacking type balancing weight adjusting device of pumping unit |
| CN204171986U (en) * | 2014-09-09 | 2015-02-25 | 胜利油田孚瑞特石油装备有限责任公司 | A kind of beam-pumping unit counterbalance adjusting device |
| CN107448173A (en) * | 2016-05-30 | 2017-12-08 | 中国石油天然气股份有限公司 | A kind of counter weight of beam unit apparatus for adjusting position |
-
2018
- 2018-05-04 CN CN201810418769.3A patent/CN108412464B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN108412464A (en) | 2018-08-17 |
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