CN201103353Y - Hydraulic plier for petroleum drilling rod and casing tube - Google Patents

Hydraulic plier for petroleum drilling rod and casing tube Download PDF

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Publication number
CN201103353Y
CN201103353Y CNU2007200982138U CN200720098213U CN201103353Y CN 201103353 Y CN201103353 Y CN 201103353Y CN U2007200982138 U CNU2007200982138 U CN U2007200982138U CN 200720098213 U CN200720098213 U CN 200720098213U CN 201103353 Y CN201103353 Y CN 201103353Y
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CN
China
Prior art keywords
clamp
oil cylinder
gearbox
carriage
caliper
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007200982138U
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Chinese (zh)
Inventor
包同华
Original Assignee
包同华
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Filing date
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Application filed by 包同华 filed Critical 包同华
Priority to CNU2007200982138U priority Critical patent/CN201103353Y/en
Application granted granted Critical
Publication of CN201103353Y publication Critical patent/CN201103353Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hydraulic tong used for an oil drill pipe and a casing, which comprises an upper caliper, a lower caliper and a column assembly. The upper caliper is connected with the lower caliper by a guide plate. A left tongs plate of the upper caliper is connected with one end of a rotating oil cylinder; a right tongs plate of the lower caliper is connected with the other end of the rotating oil cylinder; the upper caliper and the lower caliper can rotate relatively. The hydraulic tong has the advantages that the hydraulic tong can load and unload the drill pipe and the casing with larger diameter without needing to change the equipment or the tong door; and the working speed of loading and unloading shackles is fast; the special movements of a stretching and retracting device ensure the vertical and horizontal moving to be steady, which solves the problem of large labor strength of workers and safety problem; the full hydraulic system and the self-lubricating bearing improve the reliability of the work, reduce the maintenance cost and prolong the service life of the equipment; the column device adopts a locating device that can rotate by 360 degrees, so as to accurately contrapose the center of a well head, and can rotate by 180 degrees after finishing the work, so as to leave enough space for the operation at the well head. The device has the advantages of simple structure and being convenient for use.

Description

Oil drill rocker, overlap effective hydraulic tongs
Technical field
The utility model relates to a kind of oil drilling hydraulic tongs, particularly relates to a kind of effective hydraulic tongs of connection, dismounting drilling rod and cover that makes things convenient for.
Background technology
The equipment of connection or dismounting drilling rod, sleeve pipe mainly contains two kinds in the drilling process at present: a kind of is to tighten tool joint with tongs, and the relay generation moment of torsion with cat line reaches the work of connection, dismounting drilling rod.The shortcoming of this equipment is: manually-operated fully, labour intensity is big, because the restive human casualty accident that very easily takes place of cat head.Another kind of equipment is the rotary tong of hydraulic pressure, barometric direct, its primary structure by aboveground wire rope play suspension rod, go up pincers, pincers, gearbox, opening gear, hydraulic power are bored and air pump station is formed down.The shortcoming of this equipment is: the little loading and unloading drill pipe diameter of working range 127-203mm; Because operation torque is bigger, causes the opening gear yielding; Other components are easy to wear, final device damage, and the equipment global reliability is poor, and the life-span is short.
Existing equipment needs more exchange device to the drilling rod or the sleeve pipe of loading and unloading diameter more than 8.5 cun, and changes the jaw that is fit to according to different diameters; Utilize artificial mobile working device, opening gear movement speed is slow, causes whole efficiency low; This equipment can only be with the work of playing of aboveground wire rope, moves by manually pushing away, and working strength of workers greatly and exist bigger potential safety hazard; And the hydropneumatic hybrid, mechanism's complexity is safeguarded inconvenient poor reliability; With the wire rope lifting,, often cause impact to drilling rod with manually pushing away to align the well head drilling rod.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of drilling rod and sleeve pipe that loads and unloads different size, the reliability of raising operation and the hydraulic tongs of stationarity.
The technical scheme that the utility model adopted is: a kind of oil drill rocker, overlap effective hydraulic tongs, comprise clamp, clamp and column assembly down; The described clamp of going up comprise: the clamp plate that is symmetrical set, gearbox, roller, motor, stretch oil cylinder, chucking oil cylinder, clamping block, bearing pin and rotary oil cylinder; Described symmetrical clamp plate, be that fulcrum shaft connects by bearing pin respectively, described gearbox, bilateral symmetry is separately positioned on the left and right sides upside of clamp, the output shaft of described gearbox is provided with roller, described motor is separately positioned on the described driving gearbox and drives described gearbox, is provided with the oil cylinder that holds out against described gearbox in the side of described gearbox; Described clamping block is embedded in the clamp plate about respectively, the jaw place of binding clip, the lower end of described clamp plate links to each other with the chucking oil cylinder respectively, described rotary oil cylinder is provided with the below of chucking oil cylinder on the clamp plate, the one end is connected with left clamp plate, the other end is connected with the right nipper of following clamp, and upper and lower pincers can be rotated relatively; Described clamp down comprise: the nipper that is symmetrical set, clamping block, bearing pin and chucking oil cylinder; Described symmetrical nipper is that fulcrum shaft connects by bearing pin respectively, and described clamping block is embedded in the jaw place of nipper binding clip about respectively, and the lower end of described left and right sides nipper links to each other with the chucking oil cylinder respectively; Described column assembly is made up of elevating ram, carriage cylinder and carriage assembly; Described elevating ram is fixedlyed connected with support;
Described upper and lower clamp connect by guide strip.
Described elevating ram comprises the lifting fixed pulley and the movable pulley of clamp up and down; Described carriage assembly comprises: carriage, roll over stand, carriage, and described carriage is fixedlyed connected with column assembly, and described carriage and roll over stand are hinged, and described carriage is connected by cating nipple with roll over stand, and the deflection angle of pipe is finely tuned.
The surface of described roller is formed with send pipe to revolve line, and described gearbox is box closing means, and described guide strip is the gland-type arc-shaped guide plate.
The beneficial effects of the utility model are: need not more exchange device and jaw can bigger drilling rod and the sleeve pipe of loading, unloading diameter, and on it, the operating rate of shackle is fast, improved whole operating efficiency; Special-purpose stretch, compression apparatus motion work, guarantee vertical and move horizontally steadily, solved labor strength and reached safety problem greatly; Adopt full hydraulic system and self-lubricating bearing, the reliability that has improved work has reduced maintenance cost, prolongs the application life of equipment; Stand column device adopts the positioners of rotatable 360 degree, can accurately align the well head center, and after work is finished the Rotate 180 degree, enough spaces are reserved in work to well head, this apparatus structure is simple, volume is little, easy to use.
Description of drawings
Fig. 1 is a clamp structural representation on the utility model;
Fig. 2 is a clamp structural representation under the utility model;
Fig. 3 is under the utility model, plays clamp rotation 30 to spend schematic diagrames;
Fig. 4 is the upper and lower clamp gripping orientation of a utility model schematic diagram;
Fig. 5 is that clamp combine schematic diagram with column assembly under the utility model.
Among the figure:
1,3. gearbox 2. rollers 4. motors
5. oil cylinder 6,11. nippers 7,7 '. stretch oil cylinder
8,8 '. clamping block 9,9 '. bearing pin 10. guide strips
12. nipper plate 14. telescopic oil cylinders 15. carriage cylinders
16. carriage 17. roll over stands 18. carriages
19. cating nipple 20. fixed pulley assemblies 21. movable pulley assemblies
22. elevating ram 23. column assemblies
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
To shown in Figure 5, the utility model oil drill rocker, overlap effective hydraulic tongs as Fig. 1, comprise clamp, time clamp and column assembly; The described clamp of going up comprise: the clamp plate 6,11 that is symmetrical set, gearbox 3,1, roller 2, motor 4, stretch oil cylinder 5, clamping block 8, bearing pin 9 and rotary oil cylinder 14; Described gearbox 3,1 bilateral symmetry is separately positioned on the left and right sides upper end side of clamp, is respectively equipped with roller 2 on the output shaft of described gearbox 3,1, the surface of described roller 2 is formed with send pipe to revolve line, described motor 4 is separately positioned on the described gearbox 3,1 of described driving and drives described gearbox 3,1, described gearbox 3,1 is box closing means, is built-in with lubrication oil, can prolong the application life of gearbox; At described gearbox 3,1 side is provided with stretch oil cylinder 5, all the time hold out against described gearbox, be automatically switch the orderly action between the chucking oil cylinder 7 of realizing two stretch oil cylinders 5 and last clamp of high and low pressure by hydraulic system between the chucking oil cylinder 7 of two stretch oil cylinders 5 and last clamp, can reach ' seamless ' during work and turn round continuously; Described clamping block 8 is set in the jaw place of clamp plate 6,11 binding clips, and fixture block its movement locus when the chucking pipe need not to establish in addition guide rail, can increase its reliability like this; The lower end of described clamp plate 6,11 links to each other with stretch oil cylinder 7, and is that fulcrum shaft connects with bearing pin 9, described rotary oil cylinder 14 is provided with the below of chucking oil cylinder 7 on the clamp plate, the one end is connected with left clamp plate 6, and the other end is connected with the right nipper 12 of following clamp, and upper and lower pincers can be rotated relatively; Described clamp down comprise: the nipper 12 that is symmetrical set, clamping block 8 ', oil cylinder 7 ' and bearing pin 9 '; Described symmetrical nipper 12 connects for fulcrum shaft by bearing pin 9 ' respectively, and described clamping block 8 ' is set in the jaw place of nipper 12 binding clips, and the lower end of described left and right sides nipper 12 links to each other with chucking oil cylinder 7 ' respectively; Described upper and lower clamp connect by guide strip 10, and described guide strip 10 is a gland-type crescent, and meniscate guide strip promptly can play the accurate location of relative pipe between the upper and lower pincers, closely cooperating between the upper and lower pincers in the time of can guaranteeing work again; Described column assembly 23 is formed by elevating ram 22, carriage cylinder 15 and carriage assembly, the elevating ram 22 of column is cover ' increasing a journey ' mechanism, can reduce the height of column, thereby saving cost, described elevating ram 22 comprises the lifting fixed pulley 20 and the movable pulley 21 of clamp up and down, by reducing the path increment of oil cylinder, reach hoisting depth.Described carriage assembly comprises, carriage 16, roll over stand 17, carriage 18 are formed, can deliver to preposition from the former clamp of naming a person for a particular job, described carriage 16 is fixedlyed connected with column assembly 23, described carriage 16 and roll over stand 17 are hinged, described carriage 18 is hinged by cating nipple 19 with roll over stand 17, when deviation appears in the center line of the axial centerline of pipe and clamp clamp can be automatically and the axis of pipe adapt.The total quantity of upper and lower pincers and the required oil cylinder of assembly is a principle can satisfy its function, can reduce manufacturing cost, and saves the consumption of the energy.
The operating principle of the utility model hydraulic tongs is: operation be gone up, be fallen to managing to clamp can to the oil drill rocker and the sleeve pipe of 4.5~9.5 inches of diameters, during last pipe: column assembly 23 is delivered to preposition with clamp, and the 7 ' action of following pincers chucking oil cylinder will be played the pipe chucking; Last clamp are after down clamp are finished chucking, and the angle rotary oil cylinder 14 of last clamp moves, and will go up clamp and be pushed into 30 ° and locate; Stretch oil cylinder 7 actions of last clamp, roller 2 contacts with last pipe A earlier, and oil motor 4 begins to rotate, and by the gear train driving rolls rotation in the left and right gearbox 1,3, roller grinds the moving pipe rotation in a clockwise direction of going up, and will go up pipe and be rotated in place.
At this moment, on clamp hydraulic system pressure convert high pressure to, stretch oil cylinder is pressed on fixture block 8 on the pipe by the left and right clamp of last pincers; Rotary oil cylinder 14 actions screw pipe; After all actions were finished, upper and lower pincers and carriage return were finished plumber's preface.
When falling to managing: after clamp are delivered to preposition by carriage, the fixture block 8 ' of following pincers will play the pipe chucking; Simultaneously, it is tight that the fixture block 8 of last pincers also will be gone up pipe clamp, and the pincers hydraulic system is a high pressure on this moment; Rotary oil cylinder 14 actions will be gone up pipe and be unclamped; The pincers hydraulic system is converted to low pressure on this moment, and the last pipe of roller 2 rotation drives is done and is rotated counterclockwise, and will go up pipe and unclamp; After all actions were finished, returns such as upper and lower pincers and carriage finished plumber's preface.
It is worthy of note; protection domain of the present utility model is not limited to above-mentioned instantiation mode, according to fundamental technics design of the present utility model, as long as those of ordinary skills need not through creative work; the embodiment that can associate all belongs to protection domain of the present utility model.

Claims (3)

  1. An oil drill rocker, overlap effective hydraulic tongs, comprise clamp, clamp and column assembly down; It is characterized in that: the described clamp of going up comprise: the clamp plate (6,11) that is symmetrical set, gearbox (3,1), roller (2), motor (4), stretch oil cylinder (5), chucking oil cylinder (7), clamping block (8), bearing pin (9) and rotary oil cylinder (14); Described symmetrical clamp plate (6,11) connect for fulcrum shaft by bearing pin (9) respectively, described gearbox (3,1) bilateral symmetry is separately positioned on the left and right sides upside of clamp, at described gearbox (3,1) output shaft is provided with roller (2), and described motor (4) is separately positioned on described driving gearbox (3,1) and goes up and drive described gearbox (3,1), be provided with the stretch oil cylinder (5) that holds out against described gearbox (3,1) in the side of described gearbox (3,1); Described clamping block (8) is embedded in the jaw place of clamp plate (6,11) binding clip about respectively, and the lower end of described clamp plate (6,11) links to each other with chucking oil cylinder (7) respectively; Described rotary oil cylinder (14) is provided with the below that tightens oil cylinder (7) on the clamp plate, and the one end is connected with left clamp plate (6), and the other end is connected with the right nipper (12) of following clamp, and upper and lower pincers can be rotated relatively;
    Described clamp down comprise: the nipper that is symmetrical set (12), clamping block (8 '), bearing pin (9 ') and chucking oil cylinder (7 '); Described symmetrical nipper (12) connects for fulcrum shaft by bearing pin (9 ') respectively, and described clamping block (8 ') is embedded in the jaw place of nipper (12) binding clip about respectively, the lower end of described left and right sides nipper (12) respectively with tighten oil cylinder (7 ') and link to each other;
    Described column assembly (23) is made up of elevating ram (22), carriage cylinder (15) and carriage assembly; Described elevating ram (22) is fixedlyed connected with support;
    Described upper and lower clamp connect by guide strip (10).
  2. 2. oil drill rocker according to claim 1, overlap effective hydraulic tongs, it is characterized in that: described elevating ram (22) comprises the lifting fixed pulley (20) and the movable pulley (21) of clamp up and down; Described carriage assembly comprises: carriage (16), roll over stand (17), carriage (18), described carriage (16) is fixedlyed connected with column assembly (23), described carriage (16) and roll over stand (17) are hinged, described carriage (18) is connected by cating nipple (19) with roll over stand (17), and the deflection angle of pipe is finely tuned.
  3. 3. oil drill rocker according to claim 1, overlap effective hydraulic tongs, it is characterized in that: the surface of described roller (2) is formed with send pipe to revolve line, and described gearbox (3,1) is box closing means, and described guide strip (10) is the gland-type arc-shaped guide plate.
CNU2007200982138U 2007-11-30 2007-11-30 Hydraulic plier for petroleum drilling rod and casing tube Expired - Fee Related CN201103353Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200982138U CN201103353Y (en) 2007-11-30 2007-11-30 Hydraulic plier for petroleum drilling rod and casing tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200982138U CN201103353Y (en) 2007-11-30 2007-11-30 Hydraulic plier for petroleum drilling rod and casing tube

Publications (1)

Publication Number Publication Date
CN201103353Y true CN201103353Y (en) 2008-08-20

Family

ID=39950378

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200982138U Expired - Fee Related CN201103353Y (en) 2007-11-30 2007-11-30 Hydraulic plier for petroleum drilling rod and casing tube

Country Status (1)

Country Link
CN (1) CN201103353Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711446A (en) * 2014-01-15 2014-04-09 恒天九五重工有限公司 Mechanism for screwing off drill rod
CN105696952A (en) * 2016-04-08 2016-06-22 贵州远东兄弟钻探有限公司 Mechanical arm for drill rod of full hydraulic drilling rig

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711446A (en) * 2014-01-15 2014-04-09 恒天九五重工有限公司 Mechanism for screwing off drill rod
CN103711446B (en) * 2014-01-15 2016-01-20 恒天九五重工有限公司 A kind of unscrewing of drill rod mechanism
CN105696952A (en) * 2016-04-08 2016-06-22 贵州远东兄弟钻探有限公司 Mechanical arm for drill rod of full hydraulic drilling rig
CN105696952B (en) * 2016-04-08 2020-04-24 贵州远东兄弟钻探有限公司 Drill rod manipulator of full hydraulic drilling machine

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080820

Termination date: 20101130

C17 Cessation of patent right