CN112627745A - Hydraulic workover rig with high lifting speed - Google Patents

Hydraulic workover rig with high lifting speed Download PDF

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Publication number
CN112627745A
CN112627745A CN202110257982.2A CN202110257982A CN112627745A CN 112627745 A CN112627745 A CN 112627745A CN 202110257982 A CN202110257982 A CN 202110257982A CN 112627745 A CN112627745 A CN 112627745A
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CN
China
Prior art keywords
fixedly connected
conveying pipeline
workover rig
workbench
vacuum
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Granted
Application number
CN202110257982.2A
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Chinese (zh)
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CN112627745B (en
Inventor
张磊晶
时红蕾
乔梁
王文臣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Zuoxiang Petroleum Machinery Manufacturing Co.,Ltd.
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Dongying Haitian Automation Engineering Co ltd
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Priority to CN202110257982.2A priority Critical patent/CN112627745B/en
Publication of CN112627745A publication Critical patent/CN112627745A/en
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Publication of CN112627745B publication Critical patent/CN112627745B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006Means for anchoring the drilling machine to the ground
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057Centralising devices with rollers or with a relatively rotating sleeve
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/01Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/026Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having auxiliary platforms, e.g. for observation purposes

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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)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention provides a hydraulic workover rig with high lifting speed, and relates to the technical field of workover equipment. This hydraulic workover rig that hoisting speed is fast, including the transport vechicle, transport vechicle right-hand member fixedly connected with carriage, base left side top is rotated and is connected with the outer support, the one end fixedly connected with electric telescopic handle that the mounting groove is close to the transportation pipeline, the slide connection has the slider to the side inside the rectangle spacing pipe, torsional spring bottom fixedly connected with locating plate, vacuum pump rear end fixedly connected with vacuum valve, the shunt tubes passes through vacuum hose and links to each other with vacuum chuck. Through the cooperation of electric telescopic handle and the spacing pipe of rectangle, first spring and slider, make the gyro wheel hug closely the wall of a well, guarantee lift process stationarity, through the cooperation of vacuum pump and vacuum valve, shunt tubes and vacuum hose and the cooperation of torsional spring and locating plate and skid resistant course, fix the workstation, hydraulic workover rig factor of safety is high, is worth wideling popularize.

Description

Hydraulic workover rig with high lifting speed
Technical Field
The invention relates to the technical field of workover equipment, in particular to a hydraulic workover rig with high lifting speed.
Background
The well repair is mainly to detect and repair a series of faults such as insufficient water, water temperature drop, sand gushing, water quality deterioration and the like of tube wells such as geothermal wells, water source wells and the like, so that the fault wells or the wells which are near to be scrapped can be operated again for production.
The workover rig is also called a tractor hoist and is the most basic and main power source in workover and downhole operation construction, however, the lifting process of the workbench of the current workover rig is not stable enough, the fixing means of the workbench is single during workover, the safety coefficient is lower, the transportation difficulty of the workover rig is higher, and the convenience of workover operation needs to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the hydraulic workover rig with high lifting speed, and solves the problems of common safety performance, difficulty in transportation and insufficient convenience of the workover rig.
In order to achieve the purpose, the invention is realized by the following technical scheme: a hydraulic workover rig with high lifting speed comprises a transport vehicle, wherein a carriage is fixedly connected to the right end of the transport vehicle, a base is fixedly connected to the right end of the carriage, a through hole is formed in the middle of the base, an outer support is connected to the top end of the left side of the base in a rotating mode, a hydraulic motor is fixedly connected to the bottom end of the left portion of the inner side of the carriage, a first bevel gear is fixedly connected to the right end of the hydraulic motor, a second bevel gear is connected to the rear end of the first bevel gear in a meshing mode, the second bevel gear is fixedly connected to the front end of a steel wire guide roller, a first oil cylinder is rotatably connected to the front end and the rear end of the bottom of the inner side of the carriage in a front-back mode and arranged on the right side of the steel wire guide roller, fixed pulleys are fixedly connected to the bottom and the top of, The fixed pulley is connected with the head sheave, the middle part, the lower part and the bottom of the inner side of the inner support are fixedly connected with a workbench, the workbench is fixedly connected to the outer side of a conveying pipeline, the upper part and the lower part of the left side of the conveying pipeline are respectively provided with a manhole, the front end of the conveying pipeline is fixedly connected with a straight ladder, the inner side of the conveying pipeline is slidably connected with a movable plate, the top end of the inner side of the inner support is fixedly connected with a second oil cylinder, the bottom end of the second oil cylinder is fixedly connected with the top end of the movable plate, the front end, the rear end, the left end and the right end of the top part of the workbench are respectively and rotatably connected with a baffle through hinges, the baffle is connected with the inner support through bolts, the top part of the baffle is fixedly connected with a vacuum chuck, the front end, the rear end, the left end, the inner side of the rectangular limiting pipe is slidably connected with a sliding block, one end of the sliding block, which is far away from the conveying pipeline, is rotatably connected with a roller, the bottom end of the rectangular limiting pipe is fixedly connected with a torsion spring, the bottom end of the torsion spring is fixedly connected with a positioning plate, the positioning plate is connected with a nylon rope guide roller through a nylon rope, the nylon rope penetrates through a workbench, one end of the sliding block, which is close to the conveying pipeline, is uniformly provided with four straight bars and first springs, the first springs are arranged on the outer sides of the straight bars, the top end of the rear part of the workbench is fixedly connected with a vacuum pump, the rear end of the vacuum pump is fixedly connected with a vacuum valve, the rear end of the vacuum valve is fixedly connected with a flow distribution pipe, the flow distribution pipe is connected with a vacuum suction cup through a vacuum hose, the support column outside is provided with the second spring, the bottom that the transportation pipeline was kept away from to the bottom sliding connection of support column bottom portion second electro-magnet and second electro-magnet, the spacing pipe of rectangle one end and the bottom of locating plate all are provided with the skid resistant course, support column bottom fixedly connected with universal wheel.
Preferably, the nylon rope guide roller is rotatably connected to the top end of the workbench through a support frame, the nylon rope guide roller is located in front of the vertical ladder, and the left end and the right end of the nylon rope guide roller are both fixedly connected with handles.
Preferably, the top of the first oil cylinder is rotatably connected with the middle part of the left end of the outer bracket.
Preferably, the vertical ladder penetrates through the workbench.
Preferably, the wire rope guide roller is rotatably connected to the bottom end of the inner side of the carriage through a support frame.
Preferably, the straight rod is connected to one end, close to the conveying pipeline, of the rectangular limiting pipe in a sliding mode.
Preferably, one end of the first spring close to the conveying pipeline is fixedly connected to one end, close to the conveying pipeline, of the inner side of the rectangular limiting pipe.
Preferably, the second spring is disposed between the first electromagnet and the second electromagnet.
The working principle is as follows: after the transport vehicle conveys the workbench to the position above a well mouth, the first oil cylinder stretches to enable the bottom of the right end of the outer support to be attached to the base, the first electromagnet and the second electromagnet are powered off, the second spring releases elastic potential energy to push the second electromagnet to move downwards, an anti-slip layer on the lower surface of the second electromagnet is enabled to be tightly attached to the ground, the braking capacity of the transport vehicle is enhanced, the hydraulic motor rotates forwards, the hydraulic motor drives the first bevel gear, the second bevel gear and the steel wire rope guide roller to rotate to release the steel wire rope to enable the inner support to be separated from the outer support, the inner support penetrates through a through hole of the base to enter the well mouth, the electric telescopic rod stretches to push the rectangular limiting pipe, the first spring and the sliding block, the sliding blocks at the edges of the three workbenches push the rolling wheels to enable the rolling wheels to be in contact with the well wall, the swinging degree of the inner, putting down the baffle plate to make the vacuum sucker contact with the well wall, opening the vacuum valve, vacuumizing the vacuum sucker by the vacuum pump through the flow dividing pipe and the vacuum hose, closing the vacuum valve and the vacuum pump to make the vacuum sucker be adsorbed on the well wall, fixing the workbench, further stretching the electric telescopic rod, separating the positioning plate from the mounting groove, pressing the anti-skid layer on the surface of the positioning plate against the well wall through the torsion spring to further fix the workbench, reducing the pulling force of the steel wire rope due to well repair vibration, driving the movable plate to move at the inner side of the transportation pipeline by the second oil cylinder, allowing a worker to carry a well repair tool to reach other workbenches from the manhole, when the second oil cylinder fails, allowing the worker to reach other workbenches through the vertical ladder, opening the vacuum valve, rotating the baffle plate, screwing in the bolt to connect the baffle plate with the inner support, rotating the nylon rope guide roller, the positioning plate and the rectangular limiting pipe are retracted into the mounting groove, the hydraulic motor rotates reversely to lift the inner support, the inner support is reset, when the workover rig is transported, the first oil cylinder contracts to reduce the height of the outer support, when the outer support rotates, the range of relative sliding between the inner support and the outer support is reduced through the cooperation of the steel wire rope guide roller, the fixed pulley, the head sheave and the steel wire rope, and in the transportation process of the hydraulic workover rig, the electric telescopic rod is started and pushes the rectangular limiting pipe, the first spring, the sliding block and the rolling wheels, so that the rolling wheels and the anti-sliding layer on the surface of the rectangular limiting pipe extrude the outer support, and the relative sliding between the inner support and the outer support is limited.
The invention provides a hydraulic workover rig with high lifting speed. The method has the following beneficial effects:
1. in the lifting process of the inner support, the electric telescopic rod is matched with the rectangular limiting pipe, the first spring and the sliding block, so that the rollers at the edges of the three working tables are all in contact with the well wall, the swinging degree of the inner support and the working tables is reduced, the lifting process of the inner support is more stable, when the inner support reaches a well repair site, the bolts at the baffle are screwed out, the baffle is put down, the vacuum sucker is in contact with the well wall, the vacuum sucker is adsorbed on the well wall through the matching of the vacuum pump, the vacuum valve, the flow dividing pipe and the vacuum hose, the electric telescopic rod is further stretched, the positioning plate is separated from the mounting groove, the anti-skid layer on the surface of the positioning plate is enabled to extrude the well wall through the torsion spring, the fixing of the working tables is realized during well repair, the tensile.
2. When the workover rig is transported, the height of the outer support is reduced through the cooperation of the first oil cylinder, the carriage and the base, the relative sliding range of the inner support and the outer support is reduced through the cooperation of the fixed pulley and the head sheave, and in the transportation process of the workover rig, the anti-slip layer on the surfaces of the roller wheels and the rectangular limiting pipes extrudes the outer support through the cooperation of the electric telescopic rod, the rectangular limiting pipes, the first springs and the sliding blocks, so that the relative sliding of the inner support and the outer support is limited, and the transportation is facilitated.
3. According to the invention, through the matching of the second oil cylinder, the movable plate, the conveying pipeline and the manhole, workers and workover tools can be conveyed to any workbench, the workload of the workers is reduced, when the second oil cylinder breaks down, the workers can reach other workbenches through the vertical ladder, the workbench is expanded after the baffle is put down, and the workers can conveniently maintain the well.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a perspective view of the inner housing of the present invention;
FIG. 4 is a top view of the table of the present invention;
FIG. 5 is a schematic view of a slider of the present invention;
FIG. 6 is an enlarged view of FIG. 4 at B;
fig. 7 is an enlarged view of fig. 1 at C.
Wherein, 1, a transport vehicle; 2. a carriage; 3. a base; 4. an outer support; 5. a hydraulic motor; 6. a first bevel gear; 7. a second bevel gear; 8. a wire rope guide roller; 9. a first cylinder; 10. a fixed pulley; 11. a head sheave; 12. an inner support; 13. a work table; 14. a transport pipeline; 15. a manhole; 16. a straight ladder; 17. a movable plate; 18. a second cylinder; 19. a baffle plate; 20. a vacuum chuck; 21. mounting grooves; 22. an electric telescopic rod; 23. a rectangular limiting pipe; 24. a slider; 25. a roller; 26. a torsion spring; 27. positioning a plate; 28. a nylon rope guide roller; 29. a straight rod; 30. a first spring; 31. a vacuum pump; 32. a vacuum valve; 33. a shunt tube; 34. a support pillar; 35. a first electromagnet; 36. a second spring; 37. a second electromagnet; 38. a universal wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example (b):
as shown in fig. 1-7, an embodiment of the present invention provides a hydraulic workover rig with a fast lifting speed, which includes a transport vehicle 1, a carriage 2 is fixedly connected to a right end of the transport vehicle 1, a base 3 is fixedly connected to a right end of the carriage 2, a through hole is formed in a middle portion of the base 3, an external bracket 4 is rotatably connected to a top end of a left side of the base 3, a hydraulic motor 5 is fixedly connected to a bottom end of a left portion of an inner side of the carriage 2, a first bevel gear 6 is fixedly connected to a right end of the hydraulic motor 5, a second bevel gear 7 is engaged with a rear end of the first bevel gear 6, the second bevel gear 7 is fixedly connected to a front end of a steel wire guide roller 8, a first oil cylinder 9 is rotatably connected to front and rear ends of a bottom of the inner side of the carriage 2, the first oil cylinder 9 is disposed on a right side of, an inner support 12 is arranged on the inner side of the outer support 4, the inner support 12 is connected with a steel wire rope guide roller 8, a fixed pulley 10 and a head sheave 11 through a steel wire rope, a workbench 13 is fixedly connected with the middle part, the lower part and the bottom part of the inner side of the inner support 12, the workbench 13 is fixedly connected with the outer side of a conveying pipeline 14, manholes 15 are arranged on the upper part and the lower part of the left side of the conveying pipeline 14, a vertical ladder 16 is fixedly connected with the front end of the conveying pipeline 14, a movable plate 17 is slidably connected with the inner side of the conveying pipeline 14, a second oil cylinder 18 is fixedly connected with the top end of the inner side of the inner support 12, the bottom end of the second oil cylinder 18 is fixedly connected with the top end of the movable plate 17, baffle plates 19 are rotatably connected with the front end and the rear end and the left end of the top of the workbench 13 through hinges, the baffle, an electric telescopic rod 22 is fixedly connected to one end of the mounting groove 21 close to the conveying pipeline 14, a rectangular limiting pipe 23 is fixedly connected to one end of the electric telescopic rod 22 far away from the conveying pipeline 14, a sliding block 24 is slidably connected to the inner side of the rectangular limiting pipe 23, a roller 25 is rotatably connected to one end of the sliding block 24 far away from the conveying pipeline 14, a torsion spring 26 is fixedly connected to the bottom end of the rectangular limiting pipe 23, a positioning plate 27 is fixedly connected to the bottom end of the torsion spring 26, the positioning plate 27 is connected to a nylon rope guide roller 28 through a nylon rope, the nylon rope penetrates through the workbench 13, four straight bars 29 and first springs 30 are uniformly arranged at one end of the sliding block 24 close to the conveying pipeline 14, the first springs 30 are arranged on the outer sides of the straight bars 29, a vacuum pump 31 is fixedly connected to the top end of the rear portion of the workbench 13, a vacuum valve, support columns 34 are fixedly connected to the front end and the rear end of the left side and the right side of the bottom of the base 3, a first electromagnet 35 is fixedly connected to the outer side of the top of each support column 34, the first electromagnet 35 is fixedly connected to the bottom end of the base 3, a second spring 36 is arranged on the outer side of each support column 34, a second electromagnet 37 is slidably connected to the bottom of each support column 34, the bottom end of each rectangular limiting pipe 23, which is far away from the conveying pipeline 14, and the bottom end of each positioning plate 27 are provided with anti-slip layers, universal wheels 38 are fixedly connected to the bottom ends of the support columns 34, when the hydraulic motor 5 rotates forwards, the hydraulic motor 5 drives the first bevel gears 6, the second bevel gears 7 and the steel wire rope guide roller 8 to rotate to release the steel wire ropes, so that the inner support frame 12 is separated from the outer support frame 4, passes through the through holes of the base 3 to enter a well mouth, the roller 25 is contacted with the well wall, the swing degree of the inner support 12 and the workbench 13 is reduced, the lifting process of the inner support 12 is more stable, when the inner support 12 reaches a well repairing site, the bolt at the position of the baffle 19 is unscrewed, the baffle 19 is put down, the vacuum sucker 20 is contacted with the well wall, after the vacuum valve 32 is opened, the vacuum pump 31 vacuumizes the vacuum sucker 20 through the shunt pipe 33 and the vacuum hose, then the vacuum valve 32 and the vacuum pump 31 are closed, the vacuum sucker 20 is adsorbed on the well wall, the workbench 13 is fixed, the electric telescopic rod 22 is further stretched, the positioning plate 27 is separated from the mounting groove 21, the antiskid layer on the surface of the positioning plate 27 is extruded on the well wall through the torsion spring 26, the workbench 13 is further fixed, the pulling force borne by a steel wire rope due to well repairing vibration is reduced, the safety factor of well repairing operation is improved, the second oil cylinder 18 drives the movable plate 17 to move on the inner side of, the hydraulic motor 5 rotates reversely, the inner support 12 is lifted, the inner support 12 is reset, when the workover rig is transported, the first oil cylinder 9 contracts to reduce the height of the outer support 4, the steel wire rope needs to pass through the fixed pulley 10 and the head sheave 11, the steel wire rope only slides in a small range when the outer support 4 rotates, the relative sliding range of the inner support 12 and the outer support 4 is reduced, when the workover rig is transported, the electric telescopic rod 22 is started, the electric telescopic rod 22 pushes the rectangular limiting pipe 23, the first spring 30, the sliding block 24 and the roller 25, the roller 25 and an anti-skid layer on the surface of the rectangular limiting pipe 23 extrude the outer support 4, the relative sliding of the inner support 12 and the outer support 4 is limited, and the transportation is convenient.
The nylon rope guide roller 28 is connected to the top end of the workbench 13 in a rotating mode through the support frame, the nylon rope guide roller 28 is located in front of the vertical ladder 16, handles are fixedly connected to the left end and the right end of the nylon rope guide roller 28, after the well repairing work is finished, the vacuum valve 32 is opened, the rotary baffle plate 19 is screwed in the bolts, the baffle plate 19 is connected with the inner support 12, the nylon rope guide roller 28 is rotated through the handles, the nylon rope is wound on the nylon rope guide roller 28, the positioning plate 27 rotates, the electric telescopic rod 22 resets, the positioning plate 27 and the rectangular limiting pipe 23 are retracted into the mounting groove 21, and the workbench 13 can be lifted quickly.
The top of the first oil cylinder 9 is rotationally connected with the middle part of the left end of the outer bracket 4.
The straight ladder 16 penetrates through the working platform 13, and when the second oil cylinder 18 fails, workers can still reach other working platforms 13 through the straight ladder 16 to carry out well repairing work.
The steel wire rope guide roller 8 is rotatably connected to the bottom end of the inner side of the carriage 2 through a support frame.
The straight rod 29 is slidably connected to one end of the rectangular limiting pipe 23 close to the conveying pipeline 14, and the straight rod 29 limits the first spring 30.
One end of the first spring 30 close to the transportation pipe 14 is fixedly connected to one end of the inner side of the rectangular limiting pipe 23 close to the transportation pipe 14.
The second spring 36 is arranged between the first electromagnet 35 and the second electromagnet 37, the first electromagnet 35 and the second electromagnet 37 are powered off, the second spring 36 releases elastic potential energy to push the second electromagnet 37 to move downwards, so that the anti-skid layer on the lower surface of the second electromagnet 37 is tightly attached to the ground, the braking capability of the transport vehicle 1 is enhanced, and the braking is released when the first electromagnet 35 and the second electromagnet 37 are powered on.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a hydraulic workover rig that hoisting speed is fast, includes transport vechicle (1), its characterized in that: the right end of the transport vehicle (1) is fixedly connected with a carriage (2), the right end of the carriage (2) is fixedly connected with a base (3), a through hole is formed in the middle of the base (3), the top end of the left side of the base (3) is rotatably connected with an outer bracket (4), the bottom end of the left inner side of the carriage (2) is fixedly connected with a hydraulic motor (5), the right end of the hydraulic motor (5) is fixedly connected with a first bevel gear (6), the rear end of the first bevel gear (6) is engaged with a second bevel gear (7), the second bevel gear (7) is fixedly connected with the front end of a steel wire rope guide roller (8), the front end and the rear end of the inner bottom of the carriage (2) are both rotatably connected with a first oil cylinder (9), the first oil cylinder (9) is arranged on the right side of the steel wire rope guide roller (8), and the bottom and the top, the top end of the inner side of the outer support (4) is fixedly connected with a head sheave (11), the inner support (12) is arranged on the inner side of the outer support (4), the inner support (12) is connected with a steel wire rope guide roller (8), a fixed pulley (10) and the head sheave (11) through a steel wire rope, a workbench (13) is fixedly connected with the middle part, the lower part and the bottom of the inner side of the inner support (12), the workbench (13) is fixedly connected with the outer side of a conveying pipeline (14), the upper part and the lower part of the left side of the conveying pipeline (14) are respectively provided with a manhole (15), the front end of the conveying pipeline (14) is fixedly connected with a vertical ladder (16), the inner side of the conveying pipeline (14) is slidably connected with a movable plate (17), the top end of the inner side of the inner support (12) is fixedly connected with a second oil cylinder (18), and the, the front end and the rear end and the left end and the right end of the top of the workbench (13) are respectively connected with a baffle (19) in a rotating way through hinges, the baffles (19) are connected with the inner support (12) through bolts, the top of the baffle (19) is fixedly connected with a vacuum sucker (20), the front end, the rear end, the left end and the right end of the inside of the workbench (13) are respectively provided with two mounting grooves (21), one end of each mounting groove (21) close to the conveying pipeline (14) is fixedly connected with an electric telescopic rod (22), one end of each electric telescopic rod (22) far away from the conveying pipeline (14) is fixedly connected with a rectangular limiting pipe (23), the inner side of each rectangular limiting pipe (23) is slidably connected with a sliding block (24), one end of each sliding block (24) far away from the conveying pipeline (14) is rotatably connected with a roller (25), the bottom end of each rectangular limiting, the positioning plate (27) is connected with a nylon rope guide roller (28) through a nylon rope, the nylon rope penetrates through the workbench (13), one end, close to the conveying pipeline (14), of the sliding block (24) is evenly provided with four straight rods (29) and first springs (30), the first springs (30) are arranged on the outer sides of the straight rods (29), the top end of the rear portion of the workbench (13) is fixedly connected with a vacuum pump (31), the rear end of the vacuum pump (31) is fixedly connected with a vacuum valve (32), the rear end of the vacuum valve (32) is fixedly connected with a flow dividing pipe (33), the flow dividing pipe (33) is connected with a vacuum sucker (20) through a vacuum hose, the front end and the rear end of the left side and the right side of the bottom of the base (3) are fixedly connected with supporting columns (34), the outer side of the top of the supporting columns (34) is fixedly connected with first electromagnets (35) and the first electromagnets, support column (34) outside is provided with second spring (36), support column (34) bottom sliding connection has the bottom of second electro-magnet (37) and second electro-magnet (37), and the one end that transportation pipeline (14) were kept away from in spacing pipe (23) of rectangle and the bottom of locating plate (27) all are provided with the skid resistant course, support column (34) bottom fixedly connected with universal wheel (38).
2. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the nylon rope guide roller (28) is connected to the top end of the workbench (13) in a rotating mode through a support frame, the nylon rope guide roller (28) is located in front of the vertical ladder (16), and handles are fixedly connected to the left end and the right end of the nylon rope guide roller (28).
3. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the top of the first oil cylinder (9) is rotationally connected with the middle part of the left end of the outer bracket (4).
4. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the straight ladder (16) penetrates through the workbench (13).
5. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the steel wire rope guide roller (8) is rotatably connected to the bottom end of the inner side of the carriage (2) through a support frame.
6. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the straight rod (29) is connected to one end, close to the conveying pipeline (14), of the rectangular limiting pipe (23) in a sliding mode.
7. The hydraulic workover rig with high lifting speed according to claim 1, wherein: one end of the first spring (30) close to the conveying pipeline (14) is fixedly connected to one end of the inner side of the rectangular limiting pipe (23) close to the conveying pipeline (14).
8. The hydraulic workover rig with high lifting speed according to claim 1, wherein: the second spring (36) is arranged between the first electromagnet (35) and the second electromagnet (37).
CN202110257982.2A 2021-03-10 2021-03-10 Hydraulic workover rig with high lifting speed Active CN112627745B (en)

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CN113928017A (en) * 2021-11-11 2022-01-14 胡国娣 Quick-drying type ink jet printing device and jet printing process thereof
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CN114427359A (en) * 2022-02-09 2022-05-03 辽宁石油化工大学 Novel tool carrying device for well repair

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