CN105064930A - Hydraulic lifting sub capable of overturning automatically - Google Patents
Hydraulic lifting sub capable of overturning automatically Download PDFInfo
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- CN105064930A CN105064930A CN201510549279.3A CN201510549279A CN105064930A CN 105064930 A CN105064930 A CN 105064930A CN 201510549279 A CN201510549279 A CN 201510549279A CN 105064930 A CN105064930 A CN 105064930A
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Abstract
The invention discloses a hydraulic lifting sub capable of overturning automatically and relates to a tool used for lifting a drilling rod, a casing pipe and a drill collar in the tripping operation of well drilling and well repair. The lifting sub comprises a lifting sub body, a lockable door, a valve, suspension arms, a first oil cylinder and a second oil cylinder, a piston rod of the first oil cylinder is hinged to the lockable door, and a piston rod of the second oil cylinder is hinged to the valve; The hydraulic lifting sub capable of overturning automatically further comprises an overturning mechanism, the overturning mechanism comprises two tank bodies, each tank body is connected with a first fixing base and a second fixing base, a lifting ring is fixed between each first fixing base and the corresponding second fixing base, and a lower hole of each lifting ring is arranged into the corresponding suspension arm in a sleeving mode; a third oil cylinder is arranged in each tank body, a piston rod of each third oil cylinder is hinged to a rotating joint, and each rotating joint is connected to the lifting sub body through a check block. A central hole of the lifting sub can be maintained to be perpendicularly balanced with the drilling rod, eccentric wear toward the drilling rod is not caused, eccentric wear toward the lifting sub body is not caused, a top-drive drilling machine or a common drilling machine can perform complete automated operation, and the labor intensity of workers is lowered.
Description
Technical field
The present invention relates in drilling well and well workover round trip, for promoting the instrument of drilling rod, sleeve pipe and drill collar, thus obtaining each oil gas field and widely using.
Background technology
Conventional manual mechanical type elevator adopts full handwork, and operating personnel's working strength is large, and work safety can not be guaranteed, and seriously constrains drilling and repairing well efficiency.During elevator operation, because elevator does not have switching mechanism, elevator is made to configure balance sysmte, cause elevator bulky, Heavy Weight, operating personnel's working strength is large, and balance sysmte is difficult to reach desirable requirement, make elevator centre bore can not keep VE in drilling rod, form drilling rod and the mutual eccentric wear of elevator, cause the damage of drilling rod and elevator.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of hydraulic pressure automatic turning elevator of automated job is provided.
The object of the present invention is achieved like this: hydraulic pressure automatic turning elevator, comprise elevator body, lock a door, valve, the both sides of elevator body all connect arm, lock a door by the first connecting axle and elevator body hinged, valve by the second connecting axle and elevator body hinged; Described elevator body arranges main body deep-slotted chip breaker, valve arranges valve deep-slotted chip breaker, when valve closes, main body deep-slotted chip breaker and valve deep-slotted chip breaker form elevator centre bore; Described hydraulic pressure automatic turning elevator also comprises the first oil cylinder and the second oil cylinder, the cylinder barrel of the first oil cylinder is connected with elevator body, the piston rod of the first oil cylinder is hinged with locking a door, and the cylinder barrel of the second oil cylinder is connected with elevator body, and piston rod and the valve of the second oil cylinder are hinged; Described hydraulic pressure automatic turning elevator also comprises switching mechanism, switching mechanism comprises two casings, described elevator body is arranged between two casings, the first holder and the second holder is all connected at the forward surface of two casings, between each first holder and the second holder, all fix suspension ring, the lower opening of each suspension ring is all inserted on corresponding arm; In each casing, all arrange the 3rd oil cylinder, the casing of cylinder barrel all with corresponding of every platform the 3rd oil cylinder is hinged, and the equal hinging rotary joint of piston rod of every platform the 3rd oil cylinder, each swivel joint all connects elevator body by block.
The present invention by above design, in elevator body lock a door and the unlatching of valve and locking are controlled by the first oil cylinder and the second oil cylinder.Rotated by the flexible drive swivel joint of two group of the 3rd oil cylinder, thus drive elevator body upset, adopt hydraulic-driven, the main part realizing hydraulic elevator rotates.Main part rotates steadily, and the intensity of axis of rotation meets the loading demands under special exceedingly odious operating mode.Only control the folding of elevator with two oil pipes during operation of the present invention, two oil pipes turn over before controlling elevators or after turn over, cooperative mechanical hand, hydraulic catwalk hold drill string smoothly, fasten without balancing band after hanging, the centre bore of elevator can keep VE with drilling rod, does not produce eccentric wear drilling rod, not eccentric wear elevator itself, top drive drilling or ordi-nary drilling machine can be made comprehensively to carry out automated job, alleviate the labour intensity of workman, reduce the activity duration.
As improvement of the present invention, each block includes the stop block body and axis of rotation that are wholely set, one end of every root axis of rotation is all connected with corresponding swivel joint, the other end of every root axis of rotation is all wholely set with corresponding stop block body, the upper end of each stop block body is all connected with corresponding arm, and the lower end of each stop block body is all connected with elevator body.Axis of rotation is connected with swivel joint, and the moment of torsion of relay cylinder, to elevator body, realizes stirring, and block can prevent suspension ring from skidding off in addition.
As a further improvement on the present invention, be equipped with arc first and mend core lining in the main body deep-slotted chip breaker of described elevator body, the first upper end of mending core lining is wholely set the first flanging, and the first flanging is connected with elevator body by bolt; In the valve deep-slotted chip breaker of described valve, be equipped with arc second mend core lining, the second upper end of mending core lining is wholely set the second flanging, and the second flanging is connected with valve by bolt; Described arc first is mended core lining and arc second and is mended core lining and formed and circularly mend core lining.By mending the replacing of core lining, can hold, promote different size tubing string.5 〞 elevator body can install 27/8 〞 oil pipe (aperture: 81.36mm), 27/8 〞 drilling rod (aperture: 85.73mm) lining, realize the many bores of a main body.
As a further improvement on the present invention, the rod chamber hydraulic fluid port of described first oil cylinder is all connected rod chamber oil pipe with the rod chamber hydraulic fluid port of the second oil cylinder, the first hand-operated direction valve is connected after the other end parallel connection of two rod chamber oil pipes, arrange depression bar at the contact place of the first hand-operated direction valve, depression bar stretches out described first and mends core lining; The rodless cavity hydraulic fluid port of described first oil cylinder is all connected rodless cavity oil pipe with the rodless cavity hydraulic fluid port of the second oil cylinder, the second hand-operated direction valve is connected after the other end parallel connection of two rodless cavity oil pipes, arrange briquetting at the contact place of the second hand-operated direction valve, briquetting stretches out described first and mends core lining.During elevator work, design an insurance institution (depression bar, briquetting coordinate with oil circuit), elevator realizes self-locking after closing, and prevents elevator in operation midway because maloperation or vibration make elevator automatically open.Elevator just can must be opened safety insurance mechanism under no-load condition, and automatically terminate auto-lock function time unloaded, action is contrary with it, meets the needs of site work.
In order to ensure safety and reliability during work, described valve to be connected by self-locking mechanism with locking a door, self-locking mechanism comprises pad, stage clip, contiguous block, latch, described valve arranges stage clip mounting groove, stage clip and pad are set in stage clip mounting groove, stage clip is arranged on the below of pad, pad is arranged on the below of the second benefit core lining, one end of described contiguous block is connected with pad, the other end of contiguous block is connected with the lower end of latch, described locking a door arranges pin hole, and the upper end of latch is detachable to be plugged in the pin hole of locking a door.
Accompanying drawing explanation
Fig. 1 is structural representation of locking a door when closing with valve of the present invention.
Fig. 2 is structural representation of locking a door when opening with valve of the present invention.
Fig. 3 is the partial schematic diagram of Fig. 1.
Fig. 4 is partial schematic diagram of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is hydraulic schematic diagram of the present invention.
Fig. 7 is self-locking mechanism and valve, the structural representation be connected of locking a door.
Detailed description of the invention
As shown in figures 1 to 6, hydraulic pressure automatic turning elevator mainly comprises elevator body 4, lock a door 5, valve 6, the both sides of elevator body 4 all connect arm 4-1, and lock a door 5 hinged by the first connecting axle 8 and elevator body 4, valve 6 is hinged with elevator body 4 by the second connecting axle 7.Elevator body 4 arranges main body deep-slotted chip breaker 4-2, valve 6 arranges valve deep-slotted chip breaker 6-1, when valve 6 closes, main body deep-slotted chip breaker 4-2 and valve deep-slotted chip breaker 6-1 forms elevator centre bore.In the main body deep-slotted chip breaker 4-2 of elevator body 4, be equipped with arc first mend core lining 3-1, the first upper end of mending core lining 3-1 is wholely set the first flanging 3-3, and the first flanging 3-3 is connected with elevator body 4 by bolt.In the valve deep-slotted chip breaker 6-1 of valve 6, be equipped with arc second mend core lining 3-2, second upper end of mending core lining 3-2 is wholely set the second flanging 3-4, second flanging 3-4 is connected with valve 6 by bolt, and arc first is mended core lining 3-1 and arc second and mended core lining 3-2 and formed and circularly mend core lining 3.
Hydraulic pressure automatic turning elevator also comprises the first oil cylinder 10 and the second oil cylinder 11, the cylinder barrel of the first oil cylinder 10 is connected with elevator body 4, the piston rod of the first oil cylinder 10 5 to be hinged with locking a door, and the cylinder barrel of the second oil cylinder 11 is connected with elevator body 4, and piston rod and the valve 6 of the second oil cylinder 11 are hinged.
The rod chamber hydraulic fluid port of the first oil cylinder 10 is all connected rod chamber oil pipe 16 with the rod chamber hydraulic fluid port of the second oil cylinder 11, the first hand-operated direction valve 18 is connected after the other end parallel connection of two rod chamber oil pipes 16, arrange depression bar 9 at the contact place of the first hand-operated direction valve 18, depression bar 9 stretches out the first benefit core lining 3-1.The rodless cavity hydraulic fluid port of the first oil cylinder 10 is all connected rodless cavity oil pipe 17 with the rodless cavity hydraulic fluid port of the second oil cylinder 11, the second hand-operated direction valve 19 is connected after the other end parallel connection of two rodless cavity oil pipes 17, arrange briquetting 12 at the contact place of the second hand-operated direction valve 19, briquetting 12 stretches out the first benefit core lining 3-1.
Hydraulic pressure automatic turning elevator also comprises switching mechanism 1, switching mechanism 1 comprises two casing 1-4, elevator body 4 is arranged between two casing 1-4, the first holder 1-1 and the second holder 1-2 is all connected at the forward surface of two casing 1-4, between each first holder 1-1 and the second holder 1-2, all fix suspension ring 2, the lower opening of each suspension ring 2 is all inserted on corresponding arm 4-1.3rd oil cylinder 13 is all set in each casing 1-4, the cylinder barrel of every platform the 3rd oil cylinder 13 is all hinged by oil cylinder fixing base 1-3 and corresponding casing 1-4, the equal hinging rotary joint 14 of piston rod of every platform the 3rd oil cylinder 13, each swivel joint 14 all connects elevator body 4 by block 15.Block 15 comprises the stop block body 15-1 and axis of rotation 15-2 that are wholely set, one end of every root axis of rotation 15-2 is all connected with corresponding swivel joint 14, the other end of every root axis of rotation 15-2 is all wholely set with corresponding stop block body 15-1, the upper end of each stop block body 15-1 is all connected with corresponding arm 4-1, and the lower end of each stop block body 15-1 is all connected with elevator body 4.
As shown in Figure 7, valve 65 to be connected by self-locking mechanism with locking a door, self-locking mechanism comprises pad 20, stage clip 21, contiguous block 22, latch 23, valve 5 arranges stage clip mounting groove 6-2, stage clip 21 and pad 20 are set in stage clip mounting groove 6-2, stage clip 21 is arranged on the below of pad 20, pad 20 is arranged on the below of the second benefit core lining 3-2, one end of contiguous block 22 is connected with pad 20, the other end of contiguous block 22 is connected with the lower end of latch 23, arrange pin hole 5-1 locking a door on 5, detachable being plugged in the upper end of latch 23 is locked a door in the pin hole 5-1 of 5.
Opening action of the present invention: when depression bar 9 does not stress, time namely unloaded, lock a door 5 turns clockwise under the contractive action of the first oil cylinder 10, and reach certain position, the stopping of the first oil cylinder 10 is shunk; Then valve 6 is rotated counterclockwise under the contractive action of the second oil cylinder 11, rotates to certain position, and the stopping of the second oil cylinder 11 is shunk, and elevator opening action completes.
Closed action: when depression bar 9 is stressed, be namely subject to the pressure of drilling rod, valve 6 turns clockwise under the stretching of the second oil cylinder 11, reaches certain position, and the stopping of the second oil cylinder 11 is stretched; Then lock a door and 5 to be rotated counterclockwise under the stretching of the first oil cylinder 10, rotate to certain position, the stopping of the first oil cylinder 10 is stretched, and elevator closed action completes.Because depression bar 9 connects a safety insurance mechanism, prevent elevator in operation midway because maloperation or vibration make elevator automatically open.
Rotary movement: the oil cylinder fixing base 1-3 on switching mechanism 1 is connected with the 3rd oil cylinder 13, when the 3rd oil cylinder 13 is with elongation or when shrinking, make swivel joint 14 do clockwise or anticlockwise rotary motion, thus drive block 15 to make flip-flop movement, drive elevator body 4 to overturn.
Safety insurance mechanism: when briquetting 12 is normality, the first oil cylinder 10 and all akinesias of the second oil cylinder 11, after briquetting 12 is depressed, in oil circuit, valve block opens oil circuit, and the first oil cylinder 10 and the second oil cylinder 11 can actions.After depression bar 9 is depressed, in oil circuit, valve block disconnects oil circuit, and the first oil cylinder 10 and the second oil cylinder 11 cannot actions.
Self-locking mechanism: after pad 20 is mended core lining 3-2 pressure by second, stage clip 21 shrinks, and pad 20 makes contiguous block 22 rotate counterclockwise, and contiguous block 22 promotes latch 23 and moves upward, latch 23 is pushed into locks a door in the pin hole 5-1 of 5, locks a door 5 to be pinned by latch 23 with valve 6.When second mends after the upper external force of core lining 3-2 removes, pad 20 acts on by stage clip 21, moves upward, latch 23 is moved downward, lock a door 5 and valve 6 be unlocked.
Claims (5)
1. hydraulic pressure automatic turning elevator, comprises elevator body, locks a door, valve, and the both sides of elevator body all connect arm, lock a door by the first connecting axle and elevator body hinged, valve by the second connecting axle and elevator body hinged; Described elevator body arranges main body deep-slotted chip breaker, valve arranges valve deep-slotted chip breaker, when valve closes, main body deep-slotted chip breaker and valve deep-slotted chip breaker form elevator centre bore; It is characterized in that: described hydraulic pressure automatic turning elevator also comprises the first oil cylinder and the second oil cylinder, the cylinder barrel of the first oil cylinder is connected with elevator body, the piston rod of the first oil cylinder is hinged with locking a door, and the cylinder barrel of the second oil cylinder is connected with elevator body, and piston rod and the valve of the second oil cylinder are hinged; Described hydraulic pressure automatic turning elevator also comprises switching mechanism, switching mechanism comprises two casings, described elevator body is arranged between two casings, the first holder and the second holder is all connected at the forward surface of two casings, between each first holder and the second holder, all fix suspension ring, the lower opening of each suspension ring is all inserted on corresponding arm; In each casing, all arrange the 3rd oil cylinder, the casing of cylinder barrel all with corresponding of every platform the 3rd oil cylinder is hinged, and the equal hinging rotary joint of piston rod of every platform the 3rd oil cylinder, each swivel joint all connects elevator body by block.
2. hydraulic pressure automatic turning elevator according to claim 1, it is characterized in that: each block includes the stop block body and axis of rotation that are wholely set, one end of every root axis of rotation is all connected with corresponding swivel joint, the other end of every root axis of rotation is all wholely set with corresponding stop block body, the upper end of each stop block body is all connected with corresponding arm, and the lower end of each stop block body is all connected with elevator body.
3. hydraulic pressure automatic turning elevator according to claim 1, it is characterized in that: in the main body deep-slotted chip breaker of described elevator body, be equipped with arc first mend core lining, first upper end of mending core lining is wholely set the first flanging, and the first flanging is connected with elevator body by bolt; In the valve deep-slotted chip breaker of described valve, be equipped with arc second mend core lining, the second upper end of mending core lining is wholely set the second flanging, and the second flanging is connected with valve by bolt; Described arc first is mended core lining and arc second and is mended core lining and formed and circularly mend core lining.
4. hydraulic pressure automatic turning elevator according to claim 3, it is characterized in that: the rod chamber hydraulic fluid port of described first oil cylinder is all connected rod chamber oil pipe with the rod chamber hydraulic fluid port of the second oil cylinder, the first hand-operated direction valve is connected after the other end parallel connection of two rod chamber oil pipes, arrange depression bar at the contact place of the first hand-operated direction valve, depression bar stretches out described first and mends core lining; The rodless cavity hydraulic fluid port of described first oil cylinder is all connected rodless cavity oil pipe with the rodless cavity hydraulic fluid port of the second oil cylinder, the second hand-operated direction valve is connected after the other end parallel connection of two rodless cavity oil pipes, arrange briquetting at the contact place of the second hand-operated direction valve, briquetting stretches out described first and mends core lining.
5. hydraulic pressure automatic turning elevator according to claim 3, it is characterized in that: described valve to be connected by self-locking mechanism with locking a door, self-locking mechanism comprises pad, stage clip, contiguous block, latch, described valve arranges stage clip mounting groove, stage clip and pad are set in stage clip mounting groove, stage clip is arranged on the below of pad, pad is arranged on the below of the second benefit core lining, one end of described contiguous block is connected with pad, the other end of contiguous block is connected with the lower end of latch, described locking a door arranges pin hole, the upper end of latch is detachable to be plugged in the pin hole of locking a door.
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CN201510549279.3A CN105064930A (en) | 2015-09-01 | 2015-09-01 | Hydraulic lifting sub capable of overturning automatically |
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CN201510549279.3A CN105064930A (en) | 2015-09-01 | 2015-09-01 | Hydraulic lifting sub capable of overturning automatically |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370224A (en) * | 2015-11-30 | 2016-03-02 | 湖南三一石油科技有限公司 | Oil drilling and production equipment, hydraulic elevator and turn-over device thereof |
CN106050166A (en) * | 2016-07-22 | 2016-10-26 | 湖南三石油科技有限公司 | Equipment for petroleum drilling and exploitation and elevator |
CN106837205A (en) * | 2017-02-22 | 2017-06-13 | 南通金牛机械制造有限公司 | For the elevator of oil field shaft mouth operation |
CN111622689A (en) * | 2020-07-03 | 2020-09-04 | 胜利油田胜机石油装备有限公司 | Turnover power elevator |
CN111927342A (en) * | 2020-10-10 | 2020-11-13 | 胜利油田康贝石油工程装备有限公司 | Automatic elevator for sucker rod in oil field well repairing operation and use method |
CN112112582A (en) * | 2020-11-03 | 2020-12-22 | 黄山华能石化机械有限公司 | Side-opening type hydraulic overturning elevator |
CN114294274A (en) * | 2021-12-01 | 2022-04-08 | 四川宏华石油设备有限公司 | Hydraulic elevator control system and control method |
CN114934753A (en) * | 2022-06-28 | 2022-08-23 | 江苏诚创智能装备有限公司 | Sleeve type flap elevator |
CN118639970A (en) * | 2024-08-15 | 2024-09-13 | 胜利油田胜机石油装备有限公司 | Power elevator for adjusting and compensating core for intelligent well workover operation in oil field |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2216496A2 (en) * | 2009-02-06 | 2010-08-11 | David L. Sipos | Oilfield tubular elevator and method of use |
CN202745741U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气股份有限公司 | Chuck type suspension elevator |
CN203463039U (en) * | 2013-09-06 | 2014-03-05 | 宝鸡石油机械有限责任公司 | Hydraulic elevator turning driver |
CN203948052U (en) * | 2014-06-13 | 2014-11-19 | 江苏如通石油机械股份有限公司 | A kind of air-actuated turnover elevator |
CN204492695U (en) * | 2015-01-09 | 2015-07-22 | 武汉理工大学 | A kind of automatic oil tube elevator |
CN204941383U (en) * | 2015-09-01 | 2016-01-06 | 扬州华能石化机械有限公司 | Hydraulic pressure automatic turning elevator |
-
2015
- 2015-09-01 CN CN201510549279.3A patent/CN105064930A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2216496A2 (en) * | 2009-02-06 | 2010-08-11 | David L. Sipos | Oilfield tubular elevator and method of use |
CN202745741U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气股份有限公司 | Chuck type suspension elevator |
CN203463039U (en) * | 2013-09-06 | 2014-03-05 | 宝鸡石油机械有限责任公司 | Hydraulic elevator turning driver |
CN203948052U (en) * | 2014-06-13 | 2014-11-19 | 江苏如通石油机械股份有限公司 | A kind of air-actuated turnover elevator |
CN204492695U (en) * | 2015-01-09 | 2015-07-22 | 武汉理工大学 | A kind of automatic oil tube elevator |
CN204941383U (en) * | 2015-09-01 | 2016-01-06 | 扬州华能石化机械有限公司 | Hydraulic pressure automatic turning elevator |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370224A (en) * | 2015-11-30 | 2016-03-02 | 湖南三一石油科技有限公司 | Oil drilling and production equipment, hydraulic elevator and turn-over device thereof |
CN106050166A (en) * | 2016-07-22 | 2016-10-26 | 湖南三石油科技有限公司 | Equipment for petroleum drilling and exploitation and elevator |
CN106837205A (en) * | 2017-02-22 | 2017-06-13 | 南通金牛机械制造有限公司 | For the elevator of oil field shaft mouth operation |
CN111622689A (en) * | 2020-07-03 | 2020-09-04 | 胜利油田胜机石油装备有限公司 | Turnover power elevator |
CN111927342A (en) * | 2020-10-10 | 2020-11-13 | 胜利油田康贝石油工程装备有限公司 | Automatic elevator for sucker rod in oil field well repairing operation and use method |
CN112112582A (en) * | 2020-11-03 | 2020-12-22 | 黄山华能石化机械有限公司 | Side-opening type hydraulic overturning elevator |
CN114294274A (en) * | 2021-12-01 | 2022-04-08 | 四川宏华石油设备有限公司 | Hydraulic elevator control system and control method |
CN114294274B (en) * | 2021-12-01 | 2024-05-24 | 四川宏华石油设备有限公司 | Hydraulic elevator control system and control method |
CN114934753A (en) * | 2022-06-28 | 2022-08-23 | 江苏诚创智能装备有限公司 | Sleeve type flap elevator |
CN114934753B (en) * | 2022-06-28 | 2023-08-29 | 江苏诚创智能装备有限公司 | Cover type turning plate elevator |
CN118639970A (en) * | 2024-08-15 | 2024-09-13 | 胜利油田胜机石油装备有限公司 | Power elevator for adjusting and compensating core for intelligent well workover operation in oil field |
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Application publication date: 20151118 |