CN201826789U - Drill tool pneumatic chucking device of borehole mouse hole - Google Patents
Drill tool pneumatic chucking device of borehole mouse hole Download PDFInfo
- Publication number
- CN201826789U CN201826789U CN2010205871082U CN201020587108U CN201826789U CN 201826789 U CN201826789 U CN 201826789U CN 2010205871082 U CN2010205871082 U CN 2010205871082U CN 201020587108 U CN201020587108 U CN 201020587108U CN 201826789 U CN201826789 U CN 201826789U
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- China
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- binding clip
- fixedly connected
- cylinder
- eccentric
- chucking device
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- Expired - Fee Related
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Abstract
The utility model relates to a small-size mechanization tool of a borehole mouth, in particular to a drill tool pneumatic chucking device of a borehole mouse hole, which comprises at least two tong head supports symmetrically arranged, wherein a bottom plate is fixedly connected at the lower end of each tong head support, the two tong head supports are respectively provided with a pin shaft at the same plane, each pin shaft can be rotatably connected with an eccentric tong head, one end of each eccentric tong head is fixedly connected with a connecting arm, the lower end of each connecting arm is provided with a power device, the pin shaft is provided with a torsion spring, one end of the torsion spring is supported on the tong head support, and the other end of the torsion spring is supported on the eccentric tong head. The drill tool pneumatic chucking device needs no manual operation, is high in efficiency and safety, simple in structure, convenient for operation, reliable in working and wide in application range.
Description
Technical field
The utility model relates to a kind of drilling well well head power choring instrument, is specifically related to a kind of drilling well mouse hole drilling tool pneumatic chucking device.
Background technology
In drilling process, carry out the single connections of drilling tool such as drill collar, drilling string stabilizer, drilling rod, sleeve pipe, must hang earlier in rat-hole scabbard drilling tool is single, be connected with the drilling tool in the rat-hole scabbard is single by kelly bar again.Because the single device for clamping of no drilling tool on the rat-hole scabbard, drilling tool is single put into rat-hole scabbard after, drill collar and drilling string stabilizer will tighten with the mode of beating safety slip, drilling rod and sleeve pipe generally are shelved on the rat-hole scabbard with elevator, allow drilling rod and casing joint seat on elevator, deposit, in addition, it is single to adopt said method to deposit drilling tool, do not tighten function, drive under the external force rotatable, when kelly bar is detained connecting with it, lower drilling tool is single can to produce transfer phenomenon, thereby, need to be connect drilling tool and manually stamp back-up tong on single in the bottom, prevent transfer.Because shelving elevator and safety slip and manually beating back-up tong all needs manually-operated, wastes time and energy, labor strength is big, poor stability.
Summary of the invention
The purpose of this utility model is: a kind of efficient height, safe drilling well mouse hole drilling tool pneumatic chucking device are provided.
The purpose of this utility model is achieved in that drilling well mouse hole drilling tool pneumatic chucking device, comprise at least two symmetrically arranged binding clip bearings, the fixedly connected base plate in the lower end of described binding clip bearing, on the same horizontal plane of described each binding clip bearing a bearing pin is set respectively, the eccentric binding clip of turnable respectively connection on each bearing pin, the fixedly connected linking arm of the first end of described each eccentric tongs, described each linking arm lower end is provided with power set, on the described bearing pin torsion spring is set, one end of torsion spring is supported on the binding clip bearing, and the other end of torsion spring is supported on the eccentric binding clip.
As a kind of improvement of the present utility model, described power set comprise cylinder, annular pallet, fixedly connected at least two symmetrically arranged cylinders on the described base plate, the piston rod of described each cylinder is fixedly connected same annular pallet respectively, the part that described annular pallet is not connected with the piston rod of cylinder is lower than the part that is connected with the piston rod of cylinder, the part that described annular pallet is not connected with the piston rod of cylinder is arranged on the lower end of the linking arm of described eccentric binding clip, and the inlet channel that is communicated with cylinder is set in described base plate and the binding clip bearing.
As a kind of improvement of the present utility model, the fixedly connected top board in described binding clip bearing upper end.
As a kind of improvement of the present utility model, the fixedly connected side plate of described binding clip bearing sidewall.
The utility model was fixed on the rat-hole scabbard when using, and after drilling tool is put into rat-hole scabbard and arrived the precalculated position, gave cylinder bottom air feed, and cylinder promotes pallet and moves upward, and pallet promotes eccentric binding clip and overcomes torsion spring power and rotate on bearing pin, makes eccentric binding clip chucking drilling tool; When the quilt in kelly bar and the rat-hole scabbard connect drilling tool to connect buckle finish after, give cylinder top air feed, cylinder and pallet are descending, eccentric binding clip automatically resets under the effect of torsion spring power, reaches to unclamp drilling tool, allows the purpose of open walk, thereby finishes a drilling tool butt joint.
The utility model rotates by the eccentric binding clip of air cylinder driven, and it is single to tighten drilling tool, and clamping force is big, can overcome the positive reaction torque when going up shackle.The body latus rectum is big, and chucking drilling tool diameter range is big, and can steplessly change, do not need to change binding clip, can be used for holding of drilling tools such as drill collar, drilling string stabilizer, drilling rod, sleeve pipe, need not manually-operated, efficient height, safe, simple in structure, easy to operate, reliable operation, general context are wide.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Structural representation when Fig. 3 clamps drilling tool for the utility model.
Wherein, 1-base plate, 2-cylinder, 3-annular pallet, 4-top board, the eccentric binding clip of 5-, 6-torsion spring, 7-bearing pin, 8-linking arm, 9-binding clip bearing, 10-inlet channel.
The specific embodiment
As shown in Figure 1, 2, 3, drilling well mouse hole drilling tool pneumatic chucking device, comprise at least two symmetrically arranged binding clip bearings 9, the fixedly connected base plate 1 in the lower end of binding clip bearing 9, on each binding clip bearing 9 same horizontal plane a bearing pin 7 is set respectively, the eccentric binding clip 5 of turnable respectively connection on each bearing pin 7, the fixedly connected linking arm 8 of each eccentric binding clip 5 one end, each linking arm 8 lower end is provided with power set, torsion spring 6 is set on the bearing pin 7, one end of torsion spring 6 is supported on the binding clip bearing 9, and the other end of torsion spring 6 is supported on the eccentric binding clip 5.
Power set comprise cylinder 2, annular pallet 3, fixedly connected at least two symmetrically arranged cylinders 2 on the base plate 1, the piston rod of each cylinder 2 is fixedly connected same annular pallet 3 respectively, the part that annular pallet 3 is not connected with the piston rod of cylinder 2 is lower than the part that is connected with the piston rod of cylinder 2, the part that annular pallet 3 is not connected with the piston rod of cylinder 2 is arranged on the lower end of the linking arm 8 of eccentric binding clip 5, and the inlet channel 10 that is communicated with cylinder 2 is set in base plate 1 and the binding clip bearing 9.
The fixedly connected top board 4 in binding clip bearing 9 upper ends.
The fixedly connected side plate of binding clip bearing 9 sidewalls.
Claims (4)
1. drilling well mouse hole drilling tool pneumatic chucking device, it is characterized in that: drilling well mouse hole drilling tool pneumatic chucking device, comprise at least two symmetrically arranged binding clip bearings, the fixedly connected base plate in the lower end of described binding clip bearing, on the same horizontal plane of described each binding clip bearing a bearing pin is set respectively, the eccentric binding clip of turnable respectively connection on each bearing pin, the fixedly connected linking arm of the first end of described each eccentric tongs, described each linking arm lower end is provided with power set, on the described bearing pin torsion spring is set, one end of torsion spring is supported on the binding clip bearing, and the other end of torsion spring is supported on the eccentric binding clip.
2. drilling well mouse hole drilling tool pneumatic chucking device according to claim 1, it is characterized in that: described power set comprise cylinder, the annular pallet, fixedly connected at least two symmetrically arranged cylinders on the described base plate, the piston rod of described each cylinder is fixedly connected same annular pallet respectively, the part that described annular pallet is not connected with the piston rod of cylinder is lower than the part that is connected with the piston rod of cylinder, the part that described annular pallet is not connected with the piston rod of cylinder is arranged on the lower end of the linking arm of described eccentric binding clip, and the inlet channel that is communicated with cylinder is set in described base plate and the binding clip bearing.
3. drilling well mouse hole drilling tool pneumatic chucking device according to claim 1 and 2 is characterized in that: the fixedly connected top board in described binding clip bearing upper end.
4. drilling well mouse hole drilling tool pneumatic chucking device according to claim 1 and 2 is characterized in that: the fixedly connected side plate of described binding clip bearing sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205871082U CN201826789U (en) | 2010-11-02 | 2010-11-02 | Drill tool pneumatic chucking device of borehole mouse hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205871082U CN201826789U (en) | 2010-11-02 | 2010-11-02 | Drill tool pneumatic chucking device of borehole mouse hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826789U true CN201826789U (en) | 2011-05-11 |
Family
ID=43965332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205871082U Expired - Fee Related CN201826789U (en) | 2010-11-02 | 2010-11-02 | Drill tool pneumatic chucking device of borehole mouse hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389534A (en) * | 2014-10-17 | 2015-03-04 | 中国石油天然气集团公司 | Automatic reset eccentric mousehole pliers for oil field drilling |
| CN111472698A (en) * | 2019-01-23 | 2020-07-31 | 中石化石油工程技术服务有限公司 | Pneumatic rat hole slip of oil-well rig |
-
2010
- 2010-11-02 CN CN2010205871082U patent/CN201826789U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389534A (en) * | 2014-10-17 | 2015-03-04 | 中国石油天然气集团公司 | Automatic reset eccentric mousehole pliers for oil field drilling |
| CN111472698A (en) * | 2019-01-23 | 2020-07-31 | 中石化石油工程技术服务有限公司 | Pneumatic rat hole slip of oil-well rig |
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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: 20110511 Termination date: 20191102 |