CN202039798U - Punching pliers for oilfield drilling tool - Google Patents
Punching pliers for oilfield drilling tool Download PDFInfo
- Publication number
- CN202039798U CN202039798U CN2011201181928U CN201120118192U CN202039798U CN 202039798 U CN202039798 U CN 202039798U CN 2011201181928 U CN2011201181928 U CN 2011201181928U CN 201120118192 U CN201120118192 U CN 201120118192U CN 202039798 U CN202039798 U CN 202039798U
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- tong
- drilling tool
- pliers
- main pincers
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Abstract
The utility model relates to a device for connecting and dismounting a large-torque drilling tool for well drilling and repairing, in particular to punching pliers for an oilfield drilling tool. The punching pliers comprise back pliers, main pliers, a punching cylinder, clamping cylinders and a connector detection device, wherein the main pliers are positioned above the back pliers; one side of the main pliers is hinged with one side of the back pliers; the other side of the main pliers is hinged with one end of the punching cylinder; the other end of the punching cylinder is hinged with the other side of the back pliers; grooves corresponding to the drilling tool are respectively formed on the back pliers and the main pliers on one side where the back pliers and the main pliers are hinged; the clamping cylinders are arranged on the two sides of the grooves on the back pliers and the main pliers; one end of each clamping cylinder is mounted on a pin shaft of the back pliers and a pin shaft of the main pliers; the other end of the clamping cylinder is a piston end; a pushing plate is mounted at the piston end; a dental plate is mounted on the pushing plate through a dental plate seat; and the connector detection device is mounted in the back pliers. The punching pliers provided by the utility model realizes the full-automatic operation, and enables staff to leave a dangerous wellhead, thereby greatly improving the safety of the staff.
Description
Technical field
The utility model relates to the device that high pulling torque drilling tool that drilling well and well workover use is connected or dismantles, specifically a kind of oil field drilling tool impact tong.
Background technology
At present, in oil drilling at home and the well workover enterprise, the employed mechanized equipment in the process that makes a trip is as liquid gas tong, cat head, pneumatic spinner pincers etc., all have following shortcoming: the drilling tool scope of adaptation is narrower, need change dental lamina in operation process repeatedly; Operating personnel are near apart from well head, and personnel's safety can not effectively be guaranteed; Automaticity is low, has increased driller's labour intensity; Drilling tool connects moment of torsion and relies on operating personnel to judge, causes drilling tool unbalance stress etc.
The utility model content
In order to solve existing the problems referred to above that connect or dismantle the drilling tool existence, the purpose of this utility model is to provide a kind of oil field drilling tool impact tong.This impact tong is consistent the connection moment of torsion of same specification drilling tool, and can realize automation, reduces labor strength, improves drilling efficiency.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises back-up tong, main pincers, punch oil cylinder, clamping cylinder and joint detector, and wherein main clamper is in the top of back-up tong, and main pincers are hinged with back-up tong; Side at back-up tong and the tight drilling tool of main clamp, have and the corresponding groove of drilling tool on back-up tong and the main pincers, the both sides of back-up tong and main pincers upper groove respectively are provided with a clamping cylinder, one end of clamping cylinder is installed on back-up tong or the main pincers, the other end is piston end, push pedal is installed that dental lamina is installed in the push pedal by the dental lamina seat; Be provided with punch oil cylinder at back-up tong and the main opposite side that clamps, the two ends of this punch oil cylinder are hinged with back-up tong and main pincers respectively; Described joint detector is installed in the back-up tong.
Wherein: described joint detector comprises detection oil cylinder, Linear displacement transducer and second proximity transducer, wherein detecting oil cylinder is installed in the back-up tong, be connected with Linear displacement transducer on the piston rod that detects oil cylinder, the end of detecting the oil cylinder piston bar is equipped with second proximity transducer; The cross section of described main pincers is a triangle, and wherein leg-of-mutton soffit is provided with the arc convex hinged with back-up tong, and the longitudinal cross-section of this convex is " recessed " shape; Two clamping cylinders on the described main pincers are symmetry with the center line of groove, are installed in the both sides of groove respectively; The cross section of described back-up tong is a rectangle, and wherein rectangular upper surface is provided with and the hinged arc convex of main pincers, and the longitudinal cross-section of this convex is " recessed " shape; Two clamping cylinders on the described back-up tong are symmetry with the center line of groove, are installed in the both sides of groove respectively; Joint detector is between two clamping cylinders on the back-up tong, and the direction of motion of joint detector is also between two clamping cylinders; Described dental lamina is the flat dental lamina of swallow-tail form, is installed on the dental lamina seat that has dovetail groove the V-shaped symmetrical distribution of dental lamina; Described dental lamina seat is connected with push pedal by the dovetail groove on it; Described clamping cylinder is positioned at fairlead, realizes guiding by push pedal; On clamping cylinder, be connected with second pressure sensor; The both sides of described dental lamina seat are separately installed with supporting plate, and the two ends of each supporting plate have groove, are equipped with the dish spring in this groove, and the dish spring is provided with the supporting pin of supporting tooth panel seat; Be connected with first pressure sensor on the described punch oil cylinder; Be connected with a flat board on the soffit of described main pincers, at the upper surface of back-up tong first proximity transducer be installed, this first proximity transducer is determined the position of main pincers by detecting described flat board.
Advantage of the present utility model and good effect are:
1. the utility model has been realized full automatic working, makes operating personnel leave dangerous well head, has greatly improved safety of operators.
2. the utility model has been installed joint detector on back-up tong, according to different drilling tools, realize that by detecting oil cylinder, Linear displacement transducer and second proximity transducer joint location detects, automatically seek tool joint, realized that drilling tool connects and the full automatic working of dismounting, improved the automaticity of brill, well workover.
3. the dental lamina of the utility model clamping drilling tool is the flat dental lamina of swallow-tail form, and V-shaped symmetrical distribution adapts to the drilling tool wide ranges, and different drilling tools also need not to change dental lamina.
4. dental lamina seat of the present utility model is supported by dish spring and supporting pin, can float during at last button with towards button, has guaranteed necessary axial displacement.
5. the clamping cylinder of the utility model master, back-up tong is connected with second pressure sensor, and different drilling tools are applied different clamping forces, has reduced the damage to drilling tool itself to greatest extent, prevents that clamping force is excessive and damages drilling tool.
6. the utility model can accurately be controlled and be monitored the torque wrench moment of drilling tool, has guaranteed sealing effectiveness and bonding strength.
Description of drawings
Fig. 1 is a vertical view cutaway drawing of the present utility model;
Fig. 2 is an internal construction schematic diagram of the present utility model;
Fig. 3 is the partial enlarged drawing at I place among Fig. 2;
Fig. 4 is the structural representation of Fig. 2 center tap checkout gear;
Wherein: 1 is back-up tong, and 2 is main pincers, and 3 is punch oil cylinder, 4 is first pressure sensor, and 5 is second pressure sensor, and 6 is clamping cylinder, 7 are push pedal, and 8 is the dental lamina seat, and 9 is dental lamina, 10 is first proximity transducer, and 11 is joint detector, and 12 is supporting plate, 13 is the dish spring, and 14 is supporting pin, and 15 for detecting oil cylinder, 16 is Linear displacement transducer, and 17 is second proximity transducer.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the utility model comprises back-up tong 1, main pincers 2, punch oil cylinder 3, clamping cylinder 6 and joint detector 11; Wherein, the cross section of main pincers 2 is a triangle, and the cross section of back-up tong 1 is a rectangle, and main pincers 2 are positioned at the top of back-up tong 1, and main pincers 2 are hinged with back-up tong 1; The soffit of main pincers 2 is provided with the arc convex hinged with back-up tong 1, the upper surface of back-up tong 1 is provided with and the main 2 hinged arc convexes that clamp, the longitudinal cross-section of this convex is " recessed " shape, " recessed " shape convex of main pincers 2 soffits is welded on the soffit of main pincers 2 counterclockwise after 90 ° of the upsets, " recessed " shape convex of back-up tong 1 upper surface overturns clockwise and is welded on the upper surface of back-up tong 1 after 90 °, and the boss on main, the back-up tong interconnects can realize hinged between main, the back-up tong.
Clamp a side of drilling tools at back-up tong 1 and main pincers 2, have a groove that holds drilling tool on back-up tong 1 and the main pincers 2, this groove is corresponding with drilling tool.The both sides of back-up tong 1 and main pincers 2 upper grooves respectively are provided with a clamping cylinder 6, amount to four clamping cylinders, the axis conllinear of two clamping cylinders on the back-up tong 1, the axis conllinear of two clamping cylinders on the main pincers 2.Groove on the main pincers 2 is positioned at the top of its boss, and two clamping cylinders 6 on the main pincers 2 are symmetry with the center line of groove, is installed in the both sides of main pincers groove respectively.Groove on the back-up tong 1 is positioned at the below of its boss, and two clamping cylinders 6 on the back-up tong 1 are symmetry with the center line of groove, are installed in the both sides of back-up tong groove respectively.Recess axis on the main pincers 2 and the recess axis conllinear on the back-up tong 1.Opposite side at back-up tong 1 and main pincers 2 is provided with punch oil cylinder 3, and the two ends of this punch oil cylinder 3 are hinged with back-up tong 1 and main pincers 2 respectively; Under the driving of punch oil cylinder 3, main pincers 2 can rotate with respect to back-up tong 1 like this.Be connected with first pressure sensor 4 on the punch oil cylinder 3, last shackle moment of torsion is detected by this first pressure sensor 4, and by PLC control size.
One end of clamping cylinder 6 is installed on back-up tong 1 or the main pincers 2, and the other end is piston end, push pedal 7 is installed that dental lamina 9 is installed in the push pedal 7 by dental lamina seat 8; Clamping cylinder 6 is positioned at fairlead, realizes guiding by push pedal 7, is connected with second pressure sensor 5 on clamping cylinder 6, and this second pressure sensor 5 can apply different clamping forces according to different drilling tools.Dental lamina 9 is the flat dental lamina of swallow-tail form, be installed on the dental lamina seat 8 that has dovetail groove, dental lamina 9 V-shaped symmetrical distributions, can adapt to different tube diameters drilling tool and not needs change dental lamina.Dental lamina seat 8 is connected with push pedal 7 by the dovetail groove on it, as shown in Figure 3, is separately installed with supporting plate 12 in the both sides of dental lamina seat 8, and the two ends of each supporting plate 12 have groove, are equipped with dish spring 13 in this groove, and dish spring 13 is provided with the supporting pin 14 of supporting tooth panel seat 8; Dental lamina seat 8 can fluctuate, and has guaranteed needed displacement in the last shackle process.
Also be connected with a flat board on the soffit of main pincers 2, at the upper surface of back-up tong 1 first proximity transducer 10 be installed, this first proximity transducer 10 is determined the position of main pincers 2 by detecting described flat board.
Operating principle of the present utility model is:
The back-up tong 2 of the utility model impact tong can be installed on the lifting gear of iron driller telescopic arm, is risen or is descended by lifting gear control.
At first, drilling tool is contained in back-up tong 1 and the main groove that clamps on 2.Set the distance that detection oil cylinder 15 piston rods stretch out according to the specification of drilling tool, detect oil cylinder 15 work, second proximity transducer 17 of piston rod and end thereof is stretched out by back-up tong, when reaching setpoint distance, Linear displacement transducer 16 sends signal, detects oil cylinder 15 and quits work.Lifting gear work then drives impact tong and moves down, and detects the tool joint place up to moving to second proximity transducer 17 that detects on oil cylinder 15 piston rods, and lifting gear moves down setpoint distance again, quits work.Afterwards, punch oil cylinder 3 work makes back-up tong 1 clamp lower drilling tool, and main pincers 2 rotate repeatedly relative to back-up tong 1, top drilling tool and lower drilling tool is screwed link into an integrated entity.Rotate in the process of once back backhaul at main pincers 2, first proximity transducer 10 on the back-up tong 1 sends signal after detecting the main flat board that clamps on 2, the main pincers 2 of expression have been got back to initial position, the piston rod of punch oil cylinder 3 stops withdrawal, beginning is oppositely stretched out, screw next time, connect until drilling tool and finish.
Claims (10)
1. oil field drilling tool impact tong, it is characterized in that: comprise back-up tong (1), main pincers (2), punch oil cylinder (3), clamping cylinder (6) and joint detector (11), wherein main pincers (2) are positioned at the top of back-up tong (1), and main pincers (2) are hinged with back-up tong (1); Clamp a side of drilling tool at back-up tong (1) and main pincers (2), have and the corresponding groove of drilling tool on back-up tong (1) and the main pincers (2), the both sides of back-up tong (1) and main pincers (2) upper groove respectively are provided with a clamping cylinder (6), one end of clamping cylinder (6) is installed on back-up tong (1) or the main pincers (2), the other end is piston end, push pedal (7) is installed that dental lamina (9) is installed in the push pedal (7) by dental lamina seat (8); Be provided with punch oil cylinder (3) at back-up tong (1) and the main opposite side that clamps (2), the two ends of this punch oil cylinder (3) are hinged with back-up tong (1) and main pincers (2) respectively; Described joint detector (11) is installed in the back-up tong (1).
2. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: described joint detector (11) comprises detection oil cylinder (15), Linear displacement transducer (16) and second proximity transducer (17), wherein detecting oil cylinder (15) is installed in the back-up tong (1), be connected with Linear displacement transducer (16) on the piston rod that detects oil cylinder (15), the end of detecting oil cylinder (15) piston rod is equipped with second proximity transducer (17).
3. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: the cross section of described main pincers (2) is a triangle, and wherein leg-of-mutton soffit is provided with and the hinged arc convex of back-up tong (1), and the longitudinal cross-section of this convex is " recessed " shape; Two clamping cylinders (6) on the described main pincers (2) are symmetry with the center line of groove, are installed in the both sides of groove respectively.
4. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: the cross section of described back-up tong (1) is a rectangle, and wherein rectangular upper surface is provided with and main pincers (2) hinged arc convex, and the longitudinal cross-section of this convex is " recessed " shape; Two clamping cylinders (6) on the described back-up tong (1) are symmetry with the center line of groove, are installed in the both sides of groove respectively.
5. by the described oil field of claim 4 drilling tool impact tong, it is characterized in that: described joint detector (11) is positioned between last two clamping cylinders of back-up tong (1) (6), and the direction of motion of joint detector (11) is also between two clamping cylinders.
6. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: described dental lamina (9) is the flat dental lamina of swallow-tail form, is installed on the dental lamina seat (8) that has dovetail groove the V-shaped symmetrical distribution of dental lamina (9); Described dental lamina seat (8) is connected with push pedal (7) by the dovetail groove on it.
7. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: described clamping cylinder (6) is positioned at fairlead, realizes guiding by push pedal (7); On clamping cylinder (6), be connected with second pressure sensor (5).
8. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: the both sides of described dental lamina seat (8) are separately installed with supporting plate (12), the two ends of each supporting plate (12) have groove, be equipped with dish spring (13) in this groove, dish spring (13) is provided with the supporting pin (14) of supporting tooth panel seat (8).
9. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: be connected with first pressure sensor (4) on the described punch oil cylinder (3).
10. by the described oil field of claim 1 drilling tool impact tong, it is characterized in that: be connected with a flat board on the soffit of described main pincers (2), upper surface at back-up tong (1) is equipped with first proximity transducer (10), and this first proximity transducer (10) is determined the position of main pincers (2) by detecting described flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201181928U CN202039798U (en) | 2011-04-20 | 2011-04-20 | Punching pliers for oilfield drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201181928U CN202039798U (en) | 2011-04-20 | 2011-04-20 | Punching pliers for oilfield drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039798U true CN202039798U (en) | 2011-11-16 |
Family
ID=44967247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201181928U Expired - Fee Related CN202039798U (en) | 2011-04-20 | 2011-04-20 | Punching pliers for oilfield drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132933A (en) * | 2013-02-25 | 2013-06-05 | 吉林大学 | Clamping and unscrewing device for iron driller |
-
2011
- 2011-04-20 CN CN2011201181928U patent/CN202039798U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132933A (en) * | 2013-02-25 | 2013-06-05 | 吉林大学 | Clamping and unscrewing device for iron driller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20190420 |