CN202023518U - Spinning pincers for oilfield drilling tool - Google Patents
Spinning pincers for oilfield drilling tool Download PDFInfo
- Publication number
- CN202023518U CN202023518U CN2011201188113U CN201120118811U CN202023518U CN 202023518 U CN202023518 U CN 202023518U CN 2011201188113 U CN2011201188113 U CN 2011201188113U CN 201120118811 U CN201120118811 U CN 201120118811U CN 202023518 U CN202023518 U CN 202023518U
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- Prior art keywords
- spinner
- drilling tool
- spinning
- sheath
- movable stand
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- Expired - Fee Related
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Abstract
The utility model relates to a rapid connecting or dismounting device for a drilling tool used in oilfield well drilling and well repairing, in particular to a pair of spinning pincers for an oilfield drilling tool, which comprises a clamping cylinder, spinning arms, a moveable rack, a guide plate, a support plate and a spinning device, wherein the spinning device comprises a hydraulic motor, a spinning rack and a spinning roller; both ends of the clamping cylinder are respectively and symmetrically hinged with the spinning arms; one end of each spinning arm is hinged with the clamping cylinder; the other end of each spinning arm is hinged with the spinning rack; the spinning rack is provided with the spinning roller for connecting or dismounting the drilling tool; the spinning roller is connected with the hydraulic motor arranged on the spinning rack through a transmission device; the moveable rack is located between the two spinning arms and is respectively hinged with the two spinning arms; the support plate is arranged below the moveable rack; the lower part of the guide plate is arranged on the support plate in the manner of floatation; the upper part of the guide plate is connected with the moveable rack; and the guide plate moves along the direction vertical to the clamping cylinder. By adopting the spinning pincers for the oilfield drilling tool, the automatic operation of connecting or dismounting the drilling is realized and the degree of automation of the well drilling and well repairing is improved.
Description
Technical field
The quick of the drilling tool that uses was connected or provision for disengagement when the utility model related to oil drilling with well workover, specifically a kind of oil field drilling tool rotary clasp forceps of operation automatically of realizing.
Background technology
At present, at home the oil drilling and workover treatment, drilling tool in the process that makes a trip connects and dismantlement work is by manually by plant equipment such as liquid gas tongs substantially.The maximum speed of liquid gas tong has only 40~65r/min, and efficient is lower; And need the opening gear wheel to participate in spinner, complex structure, overall weight is big.In addition, for the operating personnel in the work of well head place, safety can not effectively be guaranteed, and labour intensity is bigger.
The utility model content
In order to solve the problems referred to above that existing spinner drilling tool exists, the purpose of this utility model is to provide a kind of oil field drilling tool rotary clasp forceps.These spinner pincers can be realized automatic operation, and drilling tool can connect or dismantle fast.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises clamping cylinder, spinner arm, movable stand, guide strip, gripper shoe and spinner assembly, wherein spinner assembly comprises hydraulic motor, spinner frame and spinner roller, the two ends of described clamping cylinder symmetry respectively are hinged with the spinner arm, one end and the clamping cylinder of each spinner arm are hinged, and the other end is hinged with the spinner frame; Be equipped with on the spinner frame and connect or the spinner roller of dismounting drilling tool, this spinner roller links to each other with hydraulic motor on being located at the spinner frame by transmission device; Described movable stand is between two spinner arms, being hinged with two spinner arms respectively, being provided with gripper shoe below movable stand, floats and is positioned on the gripper shoe in the bottom of described guide strip, the top of guide strip is positioned at a side of movable stand, and this guide strip moves along the direction perpendicular to clamping cylinder.
Wherein: described movable stand comprises crossbeam, first sheath and backplate, the two ends of its middle cross beam are hinged with two spinner arms respectively, are provided with first sheath in a side of crossbeam, are connected with guide rod in this first sheath, the opposite side of crossbeam is provided with two backplates, and the top of guide strip is between two backplates; On the described guide strip guide pin bushing is installed, insert in first sheath at the top of guide pin bushing, and insert in the guide pin bushing lower end of guide rod, is arranged with cluster spring on guide rod, and this cluster spring is connected to respectively on the inwall upper surface and guide strip of first sheath; Be equipped with many group rollers in movable stand on the inner surface of each backplate, the top of guide strip is passed by the roller set on two apron internal surface; Link to each other with an end of reset tension spring respectively on the external surface of each backplate in movable stand, the other end of reset tension spring is connected in the spinner arm; Described guide strip comprises two boards vertical mutually and that be connected, and wherein transverse slat floats and is positioned on the gripper shoe, is connected with second sheath in the bottom of riser; One end of screw rod is installed on the gripper shoe, and the other end passes second sheath and guide strip respectively and passed by the other end of second sheath, is directed to two spaces that plate is cut apart in second sheath, is respectively equipped with the reseting pressuring spring that is enclosed within on the screw rod; Be equipped with connecting rod between each spinner frame and movable stand, an end of this connecting rod is articulated in the bottom of spinner frame, and the other end is articulated on the movable stand; Connecting rod parallels with the spinner arm; Described transmission device comprises driven gear and driving gear, and the spinner frame is provided with outer cover, and hydraulic motor is installed on the outer cover, and this hydraulic motor output shaft is positioned at outer cover and key is connected with driving gear; Described spinner roller is two, is installed on the spinner frame by bearing, and the roller axle top of each spinner roller is inserted in the outer cover and key is connected with the driven gear that is meshed with driving gear; The surface of described spinner roller is provided with annular knurl; Be connected with pressure sensor on the described hydraulic motor.
Advantage of the present utility model and good effect are:
1. the utility model has realized that drilling tool connects and the automatic operation of dismounting, has improved the automaticity of brill, well workover; Operating personnel have left dangerous well head, have greatly improved safety of operators; On the drilling tool break-out speed is accelerated, and has improved the operating efficiency of brill, well workover greatly.
2. the utility model has been installed cluster spring on movable stand, has guaranteed in last shackle process needed along the axial bit shift compensation of drilling tool.
3. guide strip of the present utility model floats and is positioned on the gripper shoe, can move forward and backward slight distance, has guaranteed that spinner frame center and drilling tool are in same plane; After finishing spinner, can under the effect of reseting pressuring spring, get back to initial position.
4. the utility model all is provided with reset tension spring between the spinner arm of movable stand and both sides, has guaranteed the center line symmetry of two spinner arms and whole spinner pincers.
5. the utility model is hinged with connecting rod between spinner frame and movable stand, has guaranteed that the spinner frame remains same attitude.
Description of drawings
Fig. 1 looks sectional view for master of the present utility model;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is the internal construction schematic diagram of the utility model spinner assembly;
Wherein: 1 is clamping cylinder, and 2 is the spinner arm, and 3 is movable stand, and 4 is guide strip, 5 is cluster spring, and 6 is the spinner roller, and 7 is pressure sensor, and 8 is hydraulic motor, 9 is connecting rod, and 10 is back-moving spring, and 11 is gripper shoe, and 12 is reset tension spring, 13 is the spinner frame, and 14 is driven gear, and 15 is driving gear, 16 is guide rod, and 17 is guide pin bushing, and 18 is first sheath, 19 is screw rod, and 20 is second sheath, and 21 is outer cover.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1~3, the utility model comprises clamping cylinder 1, spinner arm 2, movable stand 3, guide strip 4, gripper shoe 11 and spinner assembly, wherein spinner assembly comprises hydraulic motor 8, spinner frame 13 and spinner roller 6, the two ends of clamping cylinder 1 symmetry respectively are hinged with spinner arm 2, one end and the clamping cylinder 1 of each spinner arm 2 are hinged, and the other end is hinged with spinner frame 13.Movable stand 3 comprises crossbeam, first sheath 18 and the backplate, the two ends of its middle cross beam believe that with two the middle part of spinner arms 2 is hinged respectively, side at crossbeam is provided with two first sheaths 18, all is connected with guide rod 16 in each first sheath 18, and the opposite side of crossbeam is provided with two backplates that parallel; Be provided with many group rollers on two backplate interior surface opposing from top to bottom, two is one group.Being provided with gripper shoe 11 below movable stand 3, floats and to be positioned on the gripper shoe 11 in the bottom of guide strip 4, and the top of guide strip 4 is between two backplates, and by passing between every group of roller.Described guide strip 4 comprises two boards mutually vertical and that be fixed together, i.e. transverse slat and riser, and wherein transverse slat floats and is positioned on the gripper shoe 11, and riser vertically is fixed on the transverse slat, is connected with second sheath 20 in the bottom (top of transverse slat) of riser by bolt; The inside of this second sheath 20 is directed to plate 4 and is divided into two parts, lays respectively at the left and right sides of riser.One end of screw rod 19 is installed on the gripper shoe 11 by nut, the other end be free end, successively pass the left side second sheath 20, guide strip 4 riser and pass by second sheath 20 on the right, nut again is threaded.Between the riser of second sheath 20 in left side and guide strip 4 and between the riser of second sheath 20 on right side and guide strip 4, being respectively equipped with 10, two reseting pressuring springs 10 of reseting pressuring spring that are enclosed within on the screw rod 19 is connected to respectively on the riser of second sheath 20 and guide strip 4.Whole guide strip 4 can move slight distance along the direction perpendicular to clamping cylinder 1, has guaranteed that the center of spinner frame 13 and drilling tool are in same plane.Be provided with guide pin bushing 17 on the transverse slat of guide strip 4, this guide pin bushing 17 is parallel with the riser of guide strip 4, and insert in first sheath 18 at guide pin bushing 17 tops, and the lower end of guide rod 16 is inserted by guide pin bushing 17 tops; Be arranged with cluster spring 5 on guide rod 16, this cluster spring 5 is connected to respectively on the transverse slat of the inwall upper surface of first sheath 18 and guide strip 4.This cluster spring 5 is used to support movable stand 3, and is needed along the axial bit shift compensation of drilling tool to guarantee in the shackle process.
Two spinner framves 13 and clamping cylinder 1 lay respectively at the both sides of movable stand 3, the spinner roller 6 that connects or dismantle drilling tool is installed on spinner frame 13, two spinner rollers 6 are installed on each spinner frame 13, and this spinner roller 6 links to each other with hydraulic motor 8 on being located at spinner frame 13 by transmission device.Transmission device comprises driven gear 14 and driving gear 15, and spinner frame 13 is provided with outer cover 21, and hydraulic motor 8 is installed on the outer cover 21, and the output shaft of this hydraulic motor 8 is positioned at outer cover 21 and key is connected with driving gear 15; The roller axle of each spinner roller 6 is installed on the spinner frame 13 by bearing, and bearing is located by bearing gland; The roller axle top of each spinner roller 6 is inserted in the outer cover 21 and key is connected with the both sides that 14, two driven gears 14 of driven gear are positioned at driving gear 15, is meshed with driving gear 15 respectively, is driven simultaneously by hydraulic motor 8.The surface of each spinner roller 6 is provided with annular knurl, is used for increasing the frictional force with drilling tool.On hydraulic motor 8, be connected with pressure sensor 7, reach the pressure of setting moment of torsion after, hydraulic motor 8 quits work automatically.
On the external surface of two backplates of movable stand 3, link to each other with an end of reset tension spring 12 respectively, the other end of reset tension spring 12 is connected in spinner arm 2, and this reset tension spring 12 can guarantee the center line symmetry of two spinner arms 2 and whole spinner pincers.
Be equipped with the connecting rod 9 that parallels with spinner arm 2 between each spinner frame 13 and movable stand 3, an end of this connecting rod 9 is articulated in the bottom of spinner frame 13, and the other end is articulated on the movable stand 3; Connecting rod 9 can guarantee that spinner frame 13 remains same attitude.
Operating principle of the present utility model is:
Clamping cylinder 1 work relatively moves two spinner framves 13, and until with after drilling tool contacts, clamping cylinder 1 quits work.Hydraulic motor 8 work then drives driven gear 14 rotations that driving gear 15 drives its both sides, and then makes 6 rotations of two spinner rollers, with friction between the drilling tool drilling tool is connected or dismantles by spinner roller 6.When pressure sensor 7 detect reach the pressure of setting moment of torsion after, hydraulic motor 8 receives signal and quits work.Clamping cylinder 1 is reverse operation again, and two spinner framves 13 are opened.
In the process of drilling tool connection or dismounting, drilling tool may occur and make of the axial generation displacement of spinner pincers along drilling tool by frictional force, the displacement of generation can be by cluster spring 5 compensation.And two the spinner rollers 6 on spinner frame 13 are when contacting with drilling tool, and drilling tool by moving forward and backward of guide strip, can guarantee that the center of spinner frame and drilling tool are in same plane not necessarily just in time between two spinner rollers; After finishing spinner, can under the effect of reseting pressuring spring 10, get back to initial position.
Claims (10)
1. oil field drilling tool rotary clasp forceps, it is characterized in that: comprise clamping cylinder (1), spinner arm (2), movable stand (3), guide strip (4), gripper shoe (11) and spinner assembly, wherein spinner assembly comprises hydraulic motor (8), spinner frame (13) and spinner roller (6), the two ends of described clamping cylinder (1) symmetry respectively are hinged with spinner arm (2), one end of each spinner arm (2) and clamping cylinder (1) are hinged, and the other end is hinged with spinner frame (13); Be equipped with on spinner frame (13) and connect or the spinner roller (6) of dismounting drilling tool, this spinner roller links to each other with hydraulic motor (8) on being located at spinner frame (13) by transmission device; Described movable stand (3) is positioned between the two spinner arms (2), be hinged with two spinner arms (2) respectively, be provided with gripper shoe (11) in the below of movable stand (3), float and be positioned on the gripper shoe (11) in the bottom of described guide strip (4), the top of guide strip (4) is positioned at a side of movable stand (3), and this guide strip (4) moves along the direction perpendicular to clamping cylinder (1).
2. by the described oil field of claim 1 drilling tool rotary clasp forceps, it is characterized in that: described movable stand (3) comprises crossbeam, first sheath (18) and backplate, the two ends of its middle cross beam are hinged with two spinner arms (2) respectively, side at crossbeam is provided with first sheath (18), be connected with guide rod (16) in this first sheath (18), the opposite side of crossbeam is provided with two backplates, and the top of guide strip (4) is between two backplates; Guide pin bushing (17) is installed on the described guide strip (4), insert in first sheath (18) at the top of guide pin bushing (17), insert in the guide pin bushing (17) lower end of guide rod (16), be arranged with cluster spring (5) on guide rod (16), this cluster spring (5) is connected to respectively on the inwall upper surface and guide strip (4) of first sheath (18).
3. by the described oil field of claim 2 drilling tool rotary clasp forceps, it is characterized in that: be equipped with many group rollers in movable stand (3) on the inner surface of each backplate, the top of guide strip (4) is passed by the roller set on two apron internal surface.
4. by the described oil field of claim 2 drilling tool rotary clasp forceps, it is characterized in that: link to each other with an end of reset tension spring (12) respectively on the external surface of each backplate in movable stand (3), the other end of reset tension spring (12) is connected in spinner arm (2).
5. by claim 1 or 2 described oil field drilling tool rotary clasp forceps, it is characterized in that: described guide strip (4) comprises two boards vertical mutually and that be connected, and wherein transverse slat floats and is positioned on the gripper shoe (11), is connected with second sheath (20) in the bottom of riser; One end of screw rod (19) is installed on the gripper shoe (11), the other end passes second sheath (20) and guide strip (4) respectively and is passed by the other end of second sheath (20), in second sheath (20), be directed to two spaces that plate (4) is cut apart, be respectively equipped with the reseting pressuring spring (10) that is enclosed within on the screw rod (19).
6. by the described oil field of claim 1 drilling tool rotary clasp forceps, it is characterized in that: between each spinner frame (13) and movable stand (3), be equipped with connecting rod (9), one end of this connecting rod (9) is articulated in the bottom of spinner frame (13), and the other end is articulated on the movable stand (3).
7. by the described oil field of claim 6 drilling tool rotary clasp forceps, it is characterized in that: described connecting rod (9) parallels with spinner arm (2).
8. by the described oil field of claim 1 drilling tool rotary clasp forceps, it is characterized in that: described transmission device comprises driven gear (14) and driving gear (15), spinner frame (13) is provided with outer cover (21), hydraulic motor (8) is installed on the outer cover (21), and the output shaft of this hydraulic motor (8) is positioned at outer cover (21) and key is connected with driving gear (15); Described spinner roller (6) is two, is installed on the spinner frame (13) by bearing, and the roller axle top of each spinner roller (6) is inserted in the outer cover (21) and key is connected with the driven gear (14) that is meshed with driving gear (15).
9. by claim 1 or 8 described oil field drilling tool rotary clasp forceps, it is characterized in that: the surface of described spinner roller (6) is provided with annular knurl.
10. by claim 1 or 8 described oil field drilling tool rotary clasp forceps, it is characterized in that: be connected with pressure sensor (7) on the described hydraulic motor (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201188113U CN202023518U (en) | 2011-04-20 | 2011-04-20 | Spinning pincers for oilfield drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011201188113U CN202023518U (en) | 2011-04-20 | 2011-04-20 | Spinning pincers for oilfield drilling tool |
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CN202023518U true CN202023518U (en) | 2011-11-02 |
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Application Number | Title | Priority Date | Filing Date |
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CN2011201188113U Expired - Fee Related CN202023518U (en) | 2011-04-20 | 2011-04-20 | Spinning pincers for oilfield drilling tool |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103939037A (en) * | 2014-03-26 | 2014-07-23 | 南阳二机石油装备(集团)有限公司 | Iron roughneck |
CN103939036A (en) * | 2014-03-26 | 2014-07-23 | 南阳二机石油装备(集团)有限公司 | Quick positioning spinning wrench for iron roughneck |
CN110374526A (en) * | 2019-07-18 | 2019-10-25 | 宝鸡石油机械有限责任公司 | A kind of floating type iron driller turnbuckle clamp and application method with multi-guide |
-
2011
- 2011-04-20 CN CN2011201188113U patent/CN202023518U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103939037A (en) * | 2014-03-26 | 2014-07-23 | 南阳二机石油装备(集团)有限公司 | Iron roughneck |
CN103939036A (en) * | 2014-03-26 | 2014-07-23 | 南阳二机石油装备(集团)有限公司 | Quick positioning spinning wrench for iron roughneck |
CN103939037B (en) * | 2014-03-26 | 2017-02-15 | 南阳二机石油装备集团股份有限公司 | Iron roughneck |
CN103939036B (en) * | 2014-03-26 | 2017-07-18 | 南阳二机石油装备集团股份有限公司 | A kind of quick positioning turnbuckle clamp for iron driller |
CN110374526A (en) * | 2019-07-18 | 2019-10-25 | 宝鸡石油机械有限责任公司 | A kind of floating type iron driller turnbuckle clamp and application method with multi-guide |
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Legal Events
Date | Code | Title | Description |
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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: 20111102 Termination date: 20190420 |