CN111980633B - Safety protection device for oil field operation machine - Google Patents
Safety protection device for oil field operation machine Download PDFInfo
- Publication number
- CN111980633B CN111980633B CN202010893458.XA CN202010893458A CN111980633B CN 111980633 B CN111980633 B CN 111980633B CN 202010893458 A CN202010893458 A CN 202010893458A CN 111980633 B CN111980633 B CN 111980633B
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- rope
- driven
- mandrel
- rope wheel
- driving
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 34
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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- Engineering & Computer Science (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)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A safety protection device of an oil field operation machine relates to the technical field of underground operation equipment and comprises a driving rope wheel, a driven rope wheel and a brake caliper assembly, wherein the edge of the driving rope wheel is meshed with the edge of a steel wire rope reel on a workover rig through a gear pair, the edge of the steel wire rope reel is positioned in a jaw of the brake caliper assembly, a soft rope is connected between the driving rope wheel and the driven rope wheel, and two ends of the soft rope are respectively wound on the driving rope wheel and the driven rope wheel; the structure of the brake caliper assembly comprises a shell, an oil pump, an oil cylinder, a lever, a jaw and a driving shaft, wherein a piston rod on the oil cylinder is hinged to one end of the lever, and the other end of the lever is hinged to the jaw. The invention adopts two rope wheels, and a clutch structure with a special structure is designed in the driven rope wheel, when in use, the driven rope wheel is driven to rotate by the rotation of the driving rope wheel, so as to drive the brake caliper assembly. Compared with the existing electric control brake technology, the structure is simple, and the work is reliable.
Description
Technical Field
The invention belongs to the technical field of underground operation equipment, and particularly relates to a safety protection device of an oil field operation machine.
Background
Modern underground working machines mostly adopt the start-stop action of manual operation equipment. Often for various reasons such as: the fatigue of operators, misoperation, unrecoverable mechanical failure and the like cause the collision of the hoisted apparatus and the operation motor well frame. This significant risk requires a safety guard with accurate positioning, alarming and braking functions.
With the continuous updating of drilling equipment in China, high-efficiency operation is brought by high and new technologies, and meanwhile, safety operation also draws wide social attention. Due to the fact that drilling equipment is large in size and weight, the drilling equipment is greatly wasted due to updating, and therefore the development of the safety protection device of the downhole operation machine is very necessary.
In order to solve the above problems, corresponding solutions have been provided in the prior art, however, in the prior art, the safety protection device for downhole operation machine is implemented based on an electronic control technology, and has poor reliability and is very easy to fail after an electronic component fails, so that it is necessary to design a safety protection device for downhole operation based on a mechanical structure.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a safety protection device of an oil field operation machine.
The technical problem solved by the invention is realized by adopting the following technical scheme: the invention provides a safety protection device of an oil field operation machine, which comprises a driving rope wheel, a driven rope wheel and a brake caliper assembly, wherein the edge of the driving rope wheel is meshed with the edge of a steel wire rope reel on a workover rig through a gear pair, the edge of the steel wire rope reel is positioned in a jaw of the brake caliper assembly, a soft rope is connected between the driving rope wheel and the driven rope wheel, and two ends of the soft rope are respectively wound on the driving rope wheel and the driven rope wheel;
the brake caliper assembly structurally comprises a shell, an oil pump, an oil cylinder, a lever, a jaw and a driving shaft, wherein an outlet of the oil pump is connected with the oil cylinder through an oil pipe, a piston rod on the oil cylinder is hinged to one end of the lever, the other end of the lever is hinged to the jaw, a supporting rod is fixed on the inner side of the shell, the middle of the lever is hinged to the supporting rod, so that the lever is installed inside the shell, a power input shaft is arranged on the oil pump, a driven gear is installed on the power input shaft, a driving gear meshed with the driven gear is installed on the driving shaft, one end of the driving shaft extends out of the shell, and a driven rope pulley is installed on the driving shaft;
the structure of the driven rope pulley comprises a mandrel and two baffle plates, the mandrel is sleeved on the driving shaft, the two baffle plates are respectively fixedly arranged at two ends of the mandrel, sliding grooves are processed on the inner sides of the two baffle plates and the outer side of the mandrel, a sliding rod capable of sliding along the direction close to or far away from the mandrel is installed in the sliding grooves, two ends of the sliding rod are inserted into the sliding grooves on the inner sides of the baffle plates, a cutting groove is formed in the middle of the outer side of the sliding rod, when the sliding rod is located at the limit position close to one side of the mandrel, the outer side of the sliding rod protrudes out of the outer surface of the mandrel, and the bottom of the cutting groove is not located on the outer surface of the mandrel;
the rope sheave driving mechanism is characterized in that a rotatable locking block is correspondingly arranged on the inner side of the sliding rod on the mandrel, the locking block is arranged on the mandrel through a pin shaft arranged in the middle of the locking block, one end of the locking block always keeps a movement trend close to the sliding rod under the action of spring force, a locking groove is correspondingly arranged on the driving shaft and the other end of the locking block, and when the sliding rod is separated from the locking block, the other end of the sliding rod is inserted into the locking groove under the action of the spring at one end of the sliding rod, so that the driven rope sheave and the driving shaft rotate together.
As a further technical scheme, the soft rope is made of carbon fiber materials.
The invention has the beneficial effects that: the invention adopts two rope wheels, and a clutch structure with a special structure is designed in the driven rope wheel, when in use, the driven rope wheel is driven to rotate by the rotation of the driving rope wheel, so as to drive the brake caliper assembly. Compared with the existing electric control brake technology, the structure is simple, and the work is reliable.
In order to achieve the purpose of safety protection, a special clutch mechanism is designed in the driven rope pulley, when the soft rope is wound on the driven rope pulley, the soft rope wound on the mandrel is firstly positioned in the cutting groove, and is wound for a certain number of turns and then is wound at other positions except the cutting groove, and after the structure is adopted, the starting time of safety protection is that the soft rope outside the cutting groove is completely separated from the mandrel. At the initial stage of the driving rope wheel driving the driven rope wheel to rotate, the driven rope wheel and the driving shaft are in a separation state (namely the driven rope wheel rotates, but the driving shaft does not rotate), when the soft rope outside the cutting groove is completely separated from the mandrel, the sliding rod is bounced, the other end of the sliding rod is inserted into the locking groove, the driven rope wheel and the driving shaft rotate together, and finally the brake caliper assembly is started to realize braking.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the mounting arrangement of the present invention on a workover rig;
fig. 3 is a schematic view of the structure of the driven sheave;
fig. 4 is a schematic view showing the structure of the driven sheave after the slide bar is removed.
In the figure: 1-driving rope wheel, 2-soft rope, 3-driven rope wheel, 4-brake caliper component, 5-steel wire rope reel, 6-shell, 7-oil pump, 8-oil cylinder, 9-lever, 10-jaw, 11-driving shaft, 12-driving gear, 13-driven gear, 14-supporting rod, 15-sliding rod, 16-locking block, 17-locking groove, 18-cutting groove, 19-mandrel, 20-baffle, 21-sliding groove, 22-piston rod and 23-pin shaft.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the present invention comprises a driving sheave 1, a driven sheave 3 and a brake caliper assembly 4, wherein the edge of the driving sheave 1 is engaged with the edge of a wire rope reel 5 on a workover rig through a gear pair, the edge of the wire rope reel 5 is positioned in a jaw 10 of the brake caliper assembly 4, a soft rope 2 is connected between the driving sheave 1 and the driven sheave 3, and two ends of the soft rope 2 are respectively wound on the driving sheave 1 and the driven sheave 3. When the driving rope wheel is used, the driving rope wheel 1 obtains power from the steel wire rope reel 5 on the workover rig, the power is transmitted to the driven rope wheel 3 through the soft rope 2, and the driven rope wheel 3 acts on the brake caliper assembly with the power, so that the braking of the steel wire rope reel 5 is realized.
As shown in fig. 1, the structure of the caliper assembly 4 includes a housing 6, an oil pump 7, an oil cylinder 8, a lever 9, a jaw 10 and a driving shaft 11, an outlet of the oil pump 7 is connected with the oil cylinder 8 through an oil pipe, a piston rod 22 on the oil cylinder 8 is hinged at one end of the lever 9, the other end of the lever 9 is hinged with the jaw 10, a supporting rod 14 is fixed on the inner side of the housing 6, the middle part of the lever 9 is hinged on the supporting rod 14, so that the lever 9 is installed inside the housing 6, the oil pump 7 is provided with a power input shaft, a driven gear 13 is installed on the power input shaft, a driving gear 12 meshed with the driven gear 13 is installed on the driving shaft 11, one end of the driving shaft 11 extends out of the housing 6, and the driven sheave 3 is installed on the driving shaft 11. When the brake device is used, the driving shaft 11 is driven by the driven rope pulley 3 to rotate, power is transmitted to the oil pump 7, the oil pump 7 pumps hydraulic oil into the oil cylinder 8, the piston rod 22 is pushed to extend out, one end of the lever 9 is pushed, the jaw 10 is close to the steel wire rope reel 5 under the action of the lever 9 and is finally attached to the steel wire rope reel 5, and braking is achieved.
The structure of the driven rope pulley 3 comprises a mandrel 19 and two baffles 20, the mandrel 19 is sleeved on the driving shaft 11, the two baffles 20 are respectively and fixedly arranged at two ends of the mandrel 19, sliding grooves 21 are processed on the inner sides of the two baffles 20 and the outer side of the mandrel 19, a sliding rod 15 capable of sliding along the direction close to or far away from the mandrel 19 is installed in the sliding grooves 21, two ends of the sliding rod 15 are inserted into the sliding grooves 21 on the inner side of the baffles 19, a cutting groove 18 is arranged in the middle of the outer side of the sliding rod 15, when the sliding rod 15 is located at the limit position close to one side of the mandrel 19, the outer side of the sliding rod 15 protrudes out of the outer surface of the mandrel 19, and the groove bottom of the cutting groove 18 is not located on the outer surface of the mandrel 19. A rotatable locking block 16 is correspondingly arranged on the mandrel 19 and on the inner side of the sliding rod 15, the locking block 16 is arranged on the mandrel 19 through a pin shaft 23 arranged in the middle of the mandrel 19, one end of the locking block 16 always keeps the movement trend of approaching the sliding rod 15 under the action of the elastic force of a spring, a locking groove 17 is correspondingly arranged on the driving shaft 11 and on the other end of the locking block 16, when the sliding rod 15 is separated from the locking block 16, the other end of the sliding rod 15 is inserted into the locking groove 17 under the action of the spring on one end of the sliding rod 15, and therefore the driven rope pulley 3 and the driving shaft 11 rotate together.
The invention adopts two rope wheels, and a clutch structure with a special structure is designed in the driven rope wheel 3, when in use, the driven rope wheel 3 is driven to rotate by the rotation of the driving rope wheel 1, thereby driving the brake caliper assembly 4. Compared with the existing electric control brake technology, the structure is simple, and the work is reliable.
In order to achieve the purpose of safety protection, the special clutch mechanism is designed in the driven rope pulley 3, when the soft rope 2 is wound on the driven rope pulley 3, the soft rope 2 wound on the mandrel 19 is firstly positioned in the cutting groove 18, and after a certain number of turns of winding, the soft rope 2 is wound at other positions except the cutting groove 18, and after the structure is adopted, the starting time of the safety protection is that the soft rope 2 except the cutting groove 18 is completely separated from the mandrel 19. At the beginning of the rotation of the driven rope pulley 3 driven by the driving rope pulley 1, the sliding rod 11 is bound by the soft rope 2 and can not be bounced, that is, the end of the locking block 16 can not enter the locking groove 17, at this time, the driven rope pulley 3 and the driving shaft 11 are in a separation state (that is, the driven rope pulley 3 rotates, but the driving shaft 11 does not rotate), when the soft rope 2 outside the cutting groove 18 is completely separated from the mandrel 19, the sliding rod 15 bounces, and then the other end of the sliding rod 15 is inserted into the locking groove 17, so that the driven rope pulley 3 and the driving shaft 11 rotate together, and finally the brake caliper assembly 4 is started to realize braking.
As a further technical solution, the flexible rope 2 is made of carbon fiber material. The carbon fiber has extremely high tensile strength and excellent flexibility, and can fully meet the performance requirements of the soft rope 2.
Claims (2)
1. The utility model provides an oil field operation machine safety device which characterized in that: the rope-driven elevator comprises a driving rope wheel (1), a driven rope wheel (3) and a brake clamp assembly (4), wherein the edge of the driving rope wheel (1) is meshed with the edge of a steel wire rope reel (5) on a workover rig through a gear pair, the edge of the steel wire rope reel (5) is positioned in a jaw (10) of the brake clamp assembly (4), a soft rope (2) is connected between the driving rope wheel (1) and the driven rope wheel (3), and two ends of the soft rope (2) are wound on the driving rope wheel (1) and the driven rope wheel (3) respectively;
the structure of the brake caliper assembly (4) comprises a shell (6), an oil pump (7), an oil cylinder (8), a lever (9), a jaw (10) and a driving shaft (11), wherein an outlet of the oil pump (7) is connected with the oil cylinder (8) through an oil pipe, a piston rod (22) on the oil cylinder (8) is hinged to one end of the lever (9), the other end of the lever (9) is hinged to the jaw (10), a supporting rod (14) is fixed on the inner side of the shell (6), the middle of the lever (9) is hinged to the supporting rod (14), so that the lever (9) is installed inside the shell (6), a power input shaft is arranged on the oil pump (7), a driven gear (13) is installed on the power input shaft, a driving gear (12) meshed with the driven gear (13) is installed on the driving shaft (11), and one end of the driving shaft (11) extends out of the shell (6), the driven rope wheel (3) is arranged on the driving shaft (11); when the rope winding device is used, the driving shaft (11) is driven by the driven rope pulley (3) to rotate, power is transmitted to the oil pump (7), the oil pump (7) pumps hydraulic oil into the oil cylinder (8), the piston rod (22) is pushed to extend out and push one end of the lever (9), the jaw (10) is close to the steel wire rope winding drum (5) under the action of the lever (9) and is finally attached to the steel wire rope winding drum (5) tightly, and braking is achieved;
the structure of the driven rope pulley (3) comprises a mandrel (19) and two baffle plates (20), the mandrel (19) is sleeved on the driving shaft (11), the two baffle plates (20) are respectively fixedly arranged at two ends of the mandrel (19), sliding grooves (21) are processed on the inner sides of the two baffle plates (20) and the outer side of the mandrel (19), a sliding rod (15) capable of sliding in the direction close to or far away from the mandrel (19) is installed in each sliding groove (21), two ends of the sliding rod (15) are inserted into the sliding grooves (21) on the inner sides of the baffle plates (20), a cutting groove (18) is formed in the middle of the outer side of each sliding rod (15), when the sliding rod (15) is located at the limit position close to one side of the mandrel (19), the outer side of each sliding rod (15) protrudes out of the outer surface of the mandrel (19), and the groove bottom of each cutting groove (18) is not located on the outer surface of the mandrel (19);
the rope-pulling device is characterized in that a rotatable locking block (16) is correspondingly arranged on the inner side of the sliding rod (15) on the mandrel (19), the locking block (16) is installed on the mandrel (19) through a pin shaft (23) arranged in the middle of the locking block (16), one end of the locking block (16) always keeps a moving trend close to the sliding rod (15) under the action of spring force, a locking groove (17) is correspondingly arranged on the other end of the driving shaft (11) and the other end of the locking block (16), and when the sliding rod (15) is separated from the locking block (16), the other end of the sliding rod (15) is inserted into the locking groove (17) under the action of a spring at one end of the sliding rod (15), so that the driven rope wheel (3) and the driving shaft (11) rotate together.
2. The safety device of the oilfield operation machine according to claim 1, wherein: the soft rope (2) is made of carbon fiber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893458.XA CN111980633B (en) | 2020-08-31 | 2020-08-31 | Safety protection device for oil field operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893458.XA CN111980633B (en) | 2020-08-31 | 2020-08-31 | Safety protection device for oil field operation machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111980633A CN111980633A (en) | 2020-11-24 |
| CN111980633B true CN111980633B (en) | 2022-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010893458.XA Active CN111980633B (en) | 2020-08-31 | 2020-08-31 | Safety protection device for oil field operation machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111980633B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007003597A1 (en) * | 2005-07-01 | 2007-01-11 | Shell Internationale Research Maatschappij B.V. | Mehod and apparatus for actuating oilfield equipment |
| CN101487499B (en) * | 2008-01-17 | 2011-08-17 | 上海海洋大学 | Mechanically integral engaged clutch |
| CN101718227A (en) * | 2009-11-01 | 2010-06-02 | 韩凤琳 | Heat flow turbine |
| CN101780766A (en) * | 2010-02-10 | 2010-07-21 | 于宥源 | Drive axle shaft clutch |
| CN101804948B (en) * | 2010-05-06 | 2012-12-05 | 侯庆国 | Double-drum synchronous hoister |
| CN106931121B (en) * | 2017-04-11 | 2019-03-01 | 大庆市晟威机械制造有限公司 | Directly drive extracting device of oil in screw pump ground |
-
2020
- 2020-08-31 CN CN202010893458.XA patent/CN111980633B/en active Active
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| Publication number | Publication date |
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| CN111980633A (en) | 2020-11-24 |
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