CN112878968B - Pumping unit balance adjustment operation push-down suspension type safety rod - Google Patents
Pumping unit balance adjustment operation push-down suspension type safety rod Download PDFInfo
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- CN112878968B CN112878968B CN202110079051.8A CN202110079051A CN112878968B CN 112878968 B CN112878968 B CN 112878968B CN 202110079051 A CN202110079051 A CN 202110079051A CN 112878968 B CN112878968 B CN 112878968B
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- movable
- hook
- pumping unit
- cam
- positioning shaft
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- 238000005086 pumping Methods 0.000 title claims abstract description 26
- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004873 anchoring Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a downward-pressing suspension type safety rod for balance adjustment operation of an oil pumping unit. The problem that there is the potential safety hazard in the operation process when current beam-pumping unit carries out balance adjustment does not have the safety guarantee measure is mainly solved. The method is characterized in that: a cam is embedded in a slotted hole at the top of the connecting piece; a rotating shaft is inserted in the central holes of the cam and the moving sleeve, a spring is arranged between the rotating shaft and the moving sleeve, the moving sleeve is convex, and the inner end of the spring is abutted against the inner cavity of the moving sleeve; the left end and the right end of the rotating shaft are respectively and fixedly connected with a positioning shaft plate and the lower end of the hook; the protruding end of the positioning shaft plate faces to the cam inclined plane of the cam, and the positioning shaft plate is connected with one end of the movable hook positioning shaft pin; the other end of the movable hook positioning shaft pin is connected with the middle part of the movable hook through a nut; one end of a movable shaft pin of the movable hook penetrates through the sliding chute at the lower part of the movable hook, and the other end of the movable shaft pin of the movable hook is connected on the movable sleeve. This hanging type safety lever is pushed down in balanced adjustment operation of beam-pumping unit can conveniently fix at beam-pumping unit tripod position, safety when the balanced operation of guarantee adjustment beam-pumping unit.
Description
Technical Field
The invention relates to the technical field of oil extraction engineering of oil fields, in particular to a downward-pressing suspension type safety rod for balance adjustment operation of an oil pumping unit.
Background
When the oil pumping unit is used for balance adjustment, the balance block on the crank needs to be moved, and a worker can only stand on the reduction gearbox and the crank to move the balance block under the common condition. Because the top of the reduction gearbox is an inclined plane, the operation height is about 2.5 meters, the reduction gearbox is influenced by the type and the structure of the pumping unit, no part is provided with a hanging safety rope, no safety guarantee measures are provided in the operation process, and the problem of potential safety hazard exists.
Disclosure of Invention
The invention aims to solve the technical problem that no safety guarantee measure exists in the operation process when the existing pumping unit is used for balance adjustment in the background technology, and the potential safety hazard exists.
The invention can solve the problems by the following technical scheme: the downward-pressing suspension type safety rod for the balance adjustment operation of the pumping unit comprises a movable sleeve and a connecting piece, wherein a cam is embedded into a slotted hole in the top of the connecting piece; a rotating shaft is inserted in the central hole of the cam and the moving sleeve, a spring is arranged between the rotating shaft and the moving sleeve, the moving sleeve is of a convex type, the inner end of the spring abuts against the inner cavity of the moving sleeve, the outer end of the spring abuts against one side of a spring pressure pad, and the other side of the spring pressure pad abuts against a positioning shaft plate; the left end and the right end of the rotating shaft are respectively and fixedly connected with a positioning shaft plate and the lower end of the hook, and the upper end of the hook is a hook-shaped end; the protruding end of the positioning shaft plate faces to the cam inclined plane of the cam, and the positioning shaft plate is connected with one end of the movable hook positioning shaft pin; the other end of the movable hook positioning shaft pin is connected with the middle part of the movable hook through a nut; a sliding groove is formed in the hook position at the lower end of the movable hook, one end of a movable shaft pin of the movable hook penetrates through the sliding groove at the lower portion of the movable hook and is fixed through a nut, and the other end of the movable shaft pin of the movable hook is connected to the movable sleeve; the lower end of the connecting piece is connected with the suspension rod.
Compared with the background technology, the invention has the following beneficial effects:
(1) simple structure, simple to operate provide the safety rope for the balance adjustment operation and hang, ensure operation safety.
(2) Can select the hanging point according to operating personnel height, realize the safety lever anchoring through the operation of pushing down the action bars to guarantee safety rope and remove the requirement in operating range.
(3) The unlocking of the device is simple and convenient, and the anchoring of the safety rod can be released only by pushing the suspension rod upwards with force by an operator.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the drawing of the present invention;
FIG. 3 is a right side view of the drawing of the present invention;
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 1;
FIG. 5 is a schematic view of the present invention before locking the triangular iron;
FIG. 6 is a schematic view of the present invention after pressing and locking the triangular iron.
In the figure: 1-rotating shaft, 2-moving sleeve, 3-cam, 4-positioning shaft plate, 5-movable hook positioning shaft pin, 6-movable hook, 7-movable hook positioning shaft pin, 8-hook, 9-positioning shaft pin gasket, 10-nut, 11-spring, 12-spring pressure pad, 13-connecting piece, 14-hanging rod, 15-hanging ring, 16-upper stop surface, 17-lower stop surface and 18-cam inclined surface.
The specific implementation mode is as follows:
the invention will be further explained below with reference to the accompanying drawings:
as shown in fig. 1, 2, 3 and 4, the balance adjustment operation push-down suspension type safety lever of the oil pumping unit comprises a moving sleeve 2 and a connecting piece 13, wherein a cam 3 is embedded in a slotted hole at the top of the connecting piece 13; a rotating shaft 1 is inserted into the central holes of the cam 3 and the moving sleeve 2, a spring 11 is arranged between the rotating shaft 1 and the moving sleeve 2, the moving sleeve 2 is convex, the inner end of the spring 11 abuts against the inner cavity of the moving sleeve 2, the outer end of the spring 11 abuts against one side of a spring pressure pad 12, and the other side of the spring pressure pad 12 abuts against the positioning shaft plate 4; the left end and the right end of the rotating shaft 1 are respectively fixedly connected with the lower ends of the positioning shaft plate 4 and the hook 8 in an embedded manner, and the upper end of the hook is a hook-shaped end; the protruding end of the positioning shaft plate 4 faces the cam inclined plane 18 of the cam, the positioning shaft plate 4 is provided with slotted holes corresponding to the two ends of the moving sleeve 2, and the positioning shaft plate 4 passes through the slotted holes and can move left and right in the slotted holes; one end of a movable hook positioning shaft pin 5 is welded on the positioning shaft plate 4; the other end of the movable hook positioning shaft pin 5 is connected with the middle part of the movable hook 6 through a nut 10; a positioning shaft pin gasket 9 is arranged between the positioning shaft pin 5 and the movable hook 6; the lower end of the movable hook 6 is provided with a sliding groove, and the included angle between the sliding groove at the lower end of the movable hook 6 and the axis of the upper vertical end is 30-60 ︒, so that the movable shaft pin 7 of the movable hook can move conveniently to enable the movable hook 6 to lock the triangular steel. The sliding chute passes through one end of a movable hook movable shaft pin 7 and is fixed by a nut, and the other end of the movable hook movable shaft pin 7 is welded on the movable sleeve 2; the lower end of the connecting piece 13 is embedded into the hanging rod 14 for fixing, a slotted hole is formed in the rod body of the hanging rod 14, and a hanging ring 15 is embedded into the slotted hole of the hanging rod 14; the upper end of the front side of the connecting piece 13 is a 45 ︒ inclined plane, so that the hanging rod 14 can be pressed down easily, and the plane of the end head of the connecting piece 13 can be in anchoring contact with the triangular steel conveniently; after the hanging rod 14 is pressed downwards for anchoring, the distance from the top plane of the connecting piece 13 to the groove of the hook 8 is equal to the height of the triangular steel, so that the triangular steel is completely clamped and locked, and the anchoring of the safety rod is realized.
The balance adjustment operation push-down suspension type safety rod of the oil pumping unit comprises the following connection and working processes: before the balance adjustment operation, the moving sleeve 2 of the device is at the left end under the action of the spring 11, as shown in fig. 5. When the safety device is used, the hook 8 firstly hooks one side of the triangular steel, then the hanging rod 14 is pressed downwards, the hanging rod 14 is fixedly connected with the connecting piece 13 and the cam 3 into a whole, the cam 3 rotates along with the pressing of the hanging rod 14, the right end of the moving sleeve 2 is in inclined plane contact with the cam 3, the cam 3 can push the moving sleeve 2 to move leftwards when rotating, the moving hook 6 is driven to rotate clockwise through the moving shaft pin 7 to anchor the triangular steel, and meanwhile, the top end of the connecting piece 13 is in contact with the angle steel, so that the safety device is completely clamped and locked on the triangular steel, and the anchoring of the safety rod is realized, as shown in fig. 6. After the balance adjustment operation is finished, when the device is unlocked, the cam 3 also moves reversely only by lifting the suspension rod 14 forcibly, the moving sleeve 2 moves rightwards under the action of the spring 11, and the movable hook 6 rotates anticlockwise to open, so that the aim of releasing the anchoring is fulfilled.
The working principle of the pumping unit balance adjustment operation push-down suspension type safety rod is as follows: before the balanced adjustment operation of beam-pumping unit, operating personnel stands on the reducing gear box, lifts the device overhead, and operation front end couple is hung on the angle bar, later pushes down and hangs the pole, drives the movable sleeve through the cam inclined plane on the cam, makes the movable sleeve follow-up stop surface 16 slide to stop surface 17 down, realizes that the movable hook holds tightly, by couple and movable hook combined action angle bar, makes the device fix on the beam-pumping unit tripod, hangs safety rope couple on the link and can provide the safety guarantee for subsequent operation. After the balance adjustment operation of the pumping unit is completed, the safety rope hook is removed, an operator lifts the suspension rod, the movable sleeve is driven by the cam inclined plane on the cam to slide from the lower stop surface to the upper stop surface, the spring releases to drive the movable hook to reset the movable hook, and then the fixation of the safety rod can be released, and the safety rod is withdrawn.
Claims (8)
1. The utility model provides a suspension type safety lever is pushed down in balanced adjustment operation of beam-pumping unit, includes and removes cover (2), connecting piece (13), its characterized in that: a cam (3) is embedded into a slotted hole at the top of the connecting piece (13); a rotating shaft (1) is inserted into central holes of the cam (3) and the moving sleeve (2), a spring (11) is arranged between the rotating shaft (1) and the moving sleeve (2), the moving sleeve (2) is convex, the inner end of the spring (11) abuts against the inner cavity of the moving sleeve (2), the outer end of the spring (11) abuts against one side of a spring pressure pad (12), and the other side of the spring pressure pad (12) abuts against the positioning shaft plate (4); the left end and the right end of the rotating shaft (1) are respectively and fixedly connected with a positioning shaft plate (4) and the lower end of a hook (8), and the upper end of the hook is a hook-shaped end; the protruding end of the movable sleeve (2) is opposite to a cam inclined plane (18) of the cam, and the positioning shaft plate (4) is connected with one end of the movable hook positioning shaft pin (5); the other end of the movable hook positioning shaft pin (5) is connected with the middle part of the movable hook (6) through a nut (10); a sliding groove is formed in the lower end of the movable hook (6) at the hook position, one end of a movable shaft pin (7) of the movable hook penetrates through the sliding groove formed in the lower portion of the movable hook (6) at the hook position and is fixed through a nut, and the other end of the movable shaft pin (7) of the movable hook is connected to the movable sleeve (2); the lower end of the connecting piece (13) is connected with a suspension rod (14);
when the safety bar is used, the hook (8) is firstly hooked on one side of the triangular steel, then the hanging rod (14) is pressed downwards, the hanging rod (14), the connecting piece (13) and the cam (3) are fixedly connected into a whole, the cam (3) rotates along with the hanging rod (14) after being pressed downwards, the right end of the movable sleeve (2) is in contact with the inclined plane of the cam (3), the cam (3) can push the movable sleeve (2) to move leftwards when rotating, the movable shaft pin (7) of the movable hook drives the movable hook (6) to rotate clockwise to anchor the triangular steel, and meanwhile, the top end of the connecting piece (13) is in contact with the angle steel, so that the safety bar is completely clamped and locked on the triangular steel, and the anchoring of the safety bar is realized; after the balance adjustment operation is finished, when the device is unlocked, the suspension rod (14) only needs to be lifted upwards by force, the cam also moves reversely, the moving sleeve (2) moves rightwards under the action of the spring (11), the movable hook (6) rotates anticlockwise to be opened, and anchoring is released.
2. The beam-pumping unit balance adjustment operation push down suspension safety lever of claim 1, wherein: the left end and the right end of the rotating shaft (1) are respectively fixedly connected with the lower ends of the positioning shaft plate (4) and the hook (8) in an embedded manner.
3. The beam-pumping unit balance adjustment operation push down suspension safety lever of claim 1, wherein: a positioning shaft pin gasket (9) is arranged between the positioning shaft pin (5) and the movable hook (6).
4. The beam-pumping unit balance adjustment operation push-down suspension type safety lever according to claim 1, wherein: the hanging rod (14) is provided with a slotted hole, and a hanging ring (15) is embedded into the slotted hole of the hanging rod (14).
5. The beam-pumping unit balance adjustment operation push-down suspension type safety lever according to claim 1, wherein: the lower end of the connecting piece (13) is embedded into the suspension rod (14) for fixing.
6. The beam-pumping unit balance adjustment operation push down suspension safety lever of claim 1, wherein: the included angle between the axis of the chute at the lower end hook of the movable hook (6) and the axis of the upper vertical end is 30-60 ︒.
7. The beam-pumping unit balance adjustment operation push down suspension safety lever of claim 1, wherein: the positioning shaft plate (4) is provided with slotted holes corresponding to the two ends of the moving sleeve (2), and the positioning shaft plate (4) penetrates through the slotted holes and can move left and right in the slotted holes.
8. The beam-pumping unit balance adjustment operation push down suspension safety lever of claim 1, wherein: the upper end of the front side of the connecting piece (13) is a 45 ︒ inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079051.8A CN112878968B (en) | 2021-01-21 | 2021-01-21 | Pumping unit balance adjustment operation push-down suspension type safety rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079051.8A CN112878968B (en) | 2021-01-21 | 2021-01-21 | Pumping unit balance adjustment operation push-down suspension type safety rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112878968A CN112878968A (en) | 2021-06-01 |
| CN112878968B true CN112878968B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110079051.8A Active CN112878968B (en) | 2021-01-21 | 2021-01-21 | Pumping unit balance adjustment operation push-down suspension type safety rod |
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| Country | Link |
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| CN (1) | CN112878968B (en) |
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| DE19634030A1 (en) * | 1996-08-23 | 1998-02-26 | Abb Patent Gmbh | Procedure for securing people when climbing lattice masts |
| JP3824432B2 (en) * | 1998-10-01 | 2006-09-20 | 東光電気株式会社 | Safety belt mounting device |
| JP2007135805A (en) * | 2005-11-17 | 2007-06-07 | Chugoku Electric Power Co Inc:The | Structure for fixing carriage bolt of structure |
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| CN201823186U (en) * | 2010-01-29 | 2011-05-11 | 武汉奋进电力技术有限公司 | Clamp compression safety catcher |
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| CN203756138U (en) * | 2014-04-08 | 2014-08-06 | 中国石油化工股份有限公司 | Safety belt hanger |
| CN204150928U (en) * | 2014-10-21 | 2015-02-11 | 周建康 | Steel rope antiwear device during a kind of balance adjustment of pumping unit |
| JP6770730B2 (en) * | 2016-05-20 | 2020-10-21 | 日本ケーブル株式会社 | Safety bar lock device for chair lift carrier |
| CN209347965U (en) * | 2018-09-12 | 2019-09-06 | 中国石油天然气股份有限公司 | Safety belt hanging ring device |
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