CN203066909U - Clamping and unscrewing device for iron roughneck - Google Patents
Clamping and unscrewing device for iron roughneck Download PDFInfo
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- CN203066909U CN203066909U CN 201320085609 CN201320085609U CN203066909U CN 203066909 U CN203066909 U CN 203066909U CN 201320085609 CN201320085609 CN 201320085609 CN 201320085609 U CN201320085609 U CN 201320085609U CN 203066909 U CN203066909 U CN 203066909U
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Abstract
The utility model discloses a clamping and unscrewing device for an iron roughneck of a petroleum drilling rig. The clamping and unscrewing device can achieve clamping and unscrewing of a drill rod and consists of a support, a lift cylinder, a vertical pin, a break-out pliers mechanism, a clamping pliers mechanism, a pliers box and a laminated spring, wherein the break-out pliers mechanism and the clamping pliers mechanism achieve floating through the laminated spring; the vertical pin penetrates the break-out pliers mechanism and the clamping pliers mechanism to be connected with the support so as to perform a guiding function; the lift cylinder forms a lifting mechanism together with the vertical pin and the pliers box and drives break-out pliers and clamping pliers to be aligned with the joint of the drill rod; the clamping pliers mechanism achieves the function of clamping the drill rod below; and the break-out pliers mechanism can achieve the function of unscrewing the drill rod after clamping the drill rod above. The clamping and unscrewing device has the advantages of simplified structure, convenience in use, stable action, small damage to the drill rod, excellent component exchangeability, low manufacturing cost, large output torque and wide application range of drill rods, realizes fundamental independence of lifting, clamping and unscrewing, and facilitates maintenance.
Description
Technical field
The utility model relates to a kind of oil drilling industry well head automation equipment, particularly a kind of iron driller clamping unloading device.
Background technology
Iron driller is a kind of well head automation equipment, and the major function of the clamping unloading device in this equipment is: elevating mechanism will will unload clasp forceps fast, steadily, exactly and aim at tool joint place with clamping clip mechanism.Clamping clip mechanism will stablize, clamp reliably drilling rod.The shackle jaw mechanism will be finished the action of unloading drilling rod steadily, reliably.Existing iron driller clamping unloading apparatus structure complexity, when the unloading drilling rod, the unsteady and rotation of shackle jaw mechanism in clamping clip mechanism is not steady, and be bigger to the drilling rod damage.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that existing iron driller clamping unloading device exists, and provide a kind of iron driller clamping unloading device, the utility model is simple in structure, stable action, accurate, efficient, mechanism's compactness, little to the drilling rod damage, in addition, when the utility model had been guaranteed the unloading drilling rod, the shackle jaw mechanism was realized floating reposefully and rotating in clamping clip mechanism.
The utility model is made up of support, hoist cylinder, vertical pin, shackle jaw mechanism, clamping clip mechanism, pincers case and folded spring; Wherein, support and end hinge formula hoist cylinder are hinged, and the piston rod of hoist cylinder is hinged with the pincers case, the hoist cylinder symmetric arrangement; The pincers case is fixedlyed connected with clamping clip mechanism, to realize that caliper moves with hoist cylinder; Folded spring is installed between shackle jaw mechanism and the clamping clip mechanism, when guaranteeing to finish the action of unloading drilling rod, is unloaded clasp forceps and realize floating stably; Vertical pin passes shackle jaw mechanism and clamping clip mechanism, fixedlys connected with support in the two ends of vertical pin, when finishing the action of lifting and unloading drilling rod, all can play the guiding role.
The hoist cylinder of described symmetric arrangement, vertical pin and pincers case are formed elevating mechanism; Hoist cylinder drives pincers case and then drive shackle jaw mechanism and clamping clip mechanism along the vertical pin lifting, realizes the action of caliper aligning tool joint place.
Described shackle jaw mechanism by the shackle oil cylinder, unload the clasp forceps support, unload the clasp forceps copper backing, clamping cylinder, clamping casing, clamp bearing, clamp and dental lamina form; Wherein, clamping cylinder, clamping casing, clamp bearing, clamp and dental lamina composition unload clasp forceps, and it is uniform around 120 ° of drilling rod center lines to unload clasp forceps; The piston rod of shackle oil cylinder unloads the embedded clasp forceps copper backing that unloads of gathering sill of clasp forceps with to unload the clasp forceps support hinged, clamping cylinder with clamp casing and be connected by flange, clamp casing and unload the clasp forceps support and be welded to connect; Unloading clasp forceps inside, clamping cylinder and clamp bearing are fixed with bearing pin, clamp bearing and clamp with bolt be connected, dental lamina is fixed on the clamp; During action, the clamping cylinder that unloads clasp forceps drives the clamping caliper of being made up of clamp bearing, clamp, dental lamina and clamps upward kelly bar, after sensor is passed clamping signal back, the shackle hydraulic oil cylinder driving is unloaded the moving clasp forceps that unloads of clasp forceps supporting band and is rotated along the clamping clip support that is embedded with copper backing centered by drilling rod, finishes drilling rod unloading action.
Described clamping clip mechanism is made up of clamping clip support, copper backing, clamping cylinder, clamping casing, clamp bearing, clamp, dental lamina etc.; Wherein, clamping cylinder, clamping casing, clamp bearing, clamp and dental lamina are formed clamping clip, three groups of clamping clips around the drilling rod center line be 120 ° uniform, the structure of clamping clip is identical with the shackle wrench structure of shackle jaw mechanism, clamping clip support and copper backing are screwed, clamp casing and clamping clip support and be welded to connect, clamping clip is connected with bolt with the clamping casing; During action, the clamping cylinder of clamping clip drives the clamping clip of being made up of clamp bearing, clamp and dental lamina and clamps kelly bar down.
Described support is the concave shaped support, and this concave shaped support has been abandoned traditional mast, places shackle jaw mechanism and clamping clip mechanism in support, and realizes connecting and lead with vertical pin, makes compact overall structure, stable action.
Design feature of the present utility model is as follows:
Aim at tool joint place for making the utility model will unload clasp forceps fast, steadily, exactly with clamping clip mechanism, elevating mechanism of the present utility model adopts two hydraulic oil cylinder driving.Characteristics steady, rapid, accurate, that be easy to control that utilization pair oil cylinders move, the realization iron driller is to the action request of elevating mechanism.In addition, vertical pin plays guiding and supporting role, makes clamping clip mechanism and shackle jaw mechanism and support synchronization lifting, and unloading is pulled when doing, and unloads clasp forceps integral body and can turn round around vertical pin.
For making the clamping clip mechanism stable, clamping drilling rod reliably, clamping clip mechanism of the present utility model 120 ° of uniform three groups of clamping clips in interval centered by the drilling rod center line, make drilling rod stressed even, reduce the damage to tool joint place greatly, also prolonged the application life of dental lamina and clamp.The clamping cylinder of clamping clip, clamp bearing, clamp, dental lamina are easy to change with bolt, are convenient to safeguard.The clamping clip support has the fabrication hole of symmetry, under the prerequisite of guaranteeing rigidity and intensity, alleviates mechanism's weight.
For making the shackle jaw mechanism finish the action of unloading drilling rod steadily, reliably, shackle jaw mechanism of the present utility model adopts two hydraulic oil cylinder driving of symmetric arrangement, unloads clasp forceps integral body and can rotate along the clamping clip support that is embedded with copper backing.Two hydraulic oil cylinder driving have guaranteed to twist, have when unloading drilling rod identical peak torque, also make stable action, reliable, rapid.Copper backing has alleviated vertical pin and the friction of unloading clasp forceps support gathering sill, unloading clasp forceps support and clamping clip support.The shackle jaw mechanism was unsteady when folded spring had been realized the unloading drilling rod, had improved the stationarity of unloading drilling rod action.Unload clasp forceps and clamping clip is identical, finish efficiently, reliably under the prerequisite that clamps the drilling rod function guaranteeing, improved the interchangeability of component, reduced cost of production.
The beneficial effect that the utility model is obtained is: designs simplification, and easy to use; Stable action is little to the drilling rod damage; Component interchangeability is good, and cost of production is low; The output torque is big, and it is big to be suitable for the drilling rod scope; Lifting, clamping, unloading campaign are independent substantially, are beneficial to maintenance.
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the front view that unloads clasp forceps and clamping clip of the utility model.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the front view of the clamping clip mechanism of the utility model.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is stereogram of the present utility model.
Wherein: 1. support, 2. hoist cylinder, 3. vertical pin, 4. the shackle jaw mechanism, 5. clamping clip mechanism, 6. the pincers case, 7. folded spring, 8. the shackle oil cylinder, 9. unload the clasp forceps support, 10. unload clasp forceps copper backing, 11. clamping clip supports, 12. copper backings, 13. clamping cylinders, 14. and clamp casings, 15. clamp bearings, 16. clamp, 17. dental laminas
The specific embodiment
See also Fig. 1 to shown in Figure 7, present embodiment is made up of support 1, hoist cylinder 2, vertical pin 3, shackle jaw mechanism 4, clamping clip mechanism 5, pincers case 6 and folded spring 7; Wherein, support 1 is hinged with end hinge formula hoist cylinder 2, and the piston rod of hoist cylinder 2 is hinged with pincers case 6, hoist cylinder 2 symmetric arrangement; Pincers case 6 is fixedlyed connected with clamping clip mechanism 5, to realize that caliper moves with hoist cylinder; Folded spring 7 is installed between shackle jaw mechanism 4 and the clamping clip mechanism 5, when guaranteeing to finish the action of unloading drilling rod, is unloaded clasp forceps and realize floating stably; Vertical pin 3 passes shackle jaw mechanism 4 and clamping clip mechanism 5, fixedlys connected with support 1 in the two ends of vertical pin 3, when finishing the action of lifting and unloading drilling rod, all can play the guiding role.
The hoist cylinder 2 of described symmetric arrangement, vertical pin 3 and pincers case 6 are formed elevating mechanism; Hoist cylinder 2 drives pincers case 6 and then drive shackle jaw mechanism 4 and clamping clip mechanism 5 along vertical pin 3 liftings, realizes the action of caliper aligning tool joint place.
Described shackle jaw mechanism 4 by shackle oil cylinder 8, unload clasp forceps support 9, unload clasp forceps copper backing 10, clamping cylinder 13, clamp casing 14, clamp bearing 15, clamp 16 and dental lamina 17 and form; Wherein, clamping cylinder 13, clamping casing 14, clamp bearing 15, clamp 16 and dental lamina 17 compositions unload clasp forceps, and it is uniform around 120 ° of drilling rod center lines to unload clasp forceps; The piston rod of shackle oil cylinder 8 unloads the embedded clasp forceps copper backing 10 that unloads of gathering sill of clasp forceps with to unload clasp forceps support 9 hinged, clamping cylinder 13 with clamp casing 14 and be connected by flange, clamping casing 14 and unload clasp forceps support 9 and be welded to connect; Unloading clasp forceps inside, clamping cylinder 13 is fixed with clamp bearing 15 usefulness bearing pins, and clamp bearing 15 is connected with clamp 16 usefulness bolts, dental lamina 17 is fixed on the clamp 16; During action, the clamping cylinder 13 that unloads clasp forceps drives the clamping caliper of being made up of clamp bearing 15, clamp 16, dental lamina 17 and clamps upward kelly bar, after sensor is passed clamping signal back, 8 drivings of shackle oil cylinder are unloaded 9 drives of clasp forceps support and are unloaded clamping clip support 11 rotations that clasp forceps edge centered by drilling rod is embedded with copper backing 12, finish drilling rod unloading action.
Described clamping clip mechanism 5 by clamping clip support 11, copper backing 12, clamping cylinder 13, clamp casing 14, clamp bearing 15, clamp 16, dental lamina 17 etc. and form; Wherein, clamping cylinder 13, clamping casing 14, clamp bearing 15, clamp 16 and dental lamina 17 are formed clamping clips, three groups of clamping clips around the drilling rod center line be 120 ° uniform, the structure of clamping clip is identical with the shackle wrench structure of shackle jaw mechanism 4, clamping clip support 11 is screwed with copper backing 12, clamp casing 14 and be welded to connect with clamping clip support 11, clamping clip is connected with clamping casing 14 usefulness bolts; During action, the clamping cylinder 13 of clamping clip drives the clamping clip of being made up of clamp bearing 15, clamp 16 and dental lamina 17 and clamps kelly bar down.
Described support 1 is the concave shaped support, and this concave shaped support has been abandoned traditional mast, places shackle jaw mechanism 4 and clamping clip mechanism 5 in support 1, and realizes connecting and lead with vertical pin 3, makes compact overall structure, stable action.
Workflow of the present utility model is as follows:
According to the tool joint present position, drive clamping clips 5 and shackle jaw mechanism 4 along vertical pin 3 liftings by hoist cylinder 2, realize that caliper aims at tool joint place action.After sensor showed to aim at drilling rod, the clamping clip that clamping cylinder 13 drivings of clamping clip mechanism 5 are made up of clamp bearing 15, clamp 16, dental lamina 17 was realized the clamping to bottom tool joint place.The clamping cylinder 13 of shackle jaw mechanism 4 drives the clasp forceps of being made up of clamp bearing 15, clamp 16, dental lamina 17 that unloads and realizes the clamping of top rod joint is moved.When sensor show to clamp up and down drilling rod, 2 actions of shackle oil cylinder were rotated shackle jaw mechanism 4 clamping clip support 11 along embedded copper backing 12 centered by drilling rod, rely on folded spring 7 to realize floating simultaneously, finish the action of unloading drilling rod.
Because the lifting of the utility model iron driller clamping unloading device, clamping, unloading action have independence, so no matter to the maintenance of equipment, or the realization of control strategy has very big benefit.
Claims (2)
1. an iron driller clamping unloading device is characterized in that: be made up of support (1), hoist cylinder (2), vertical pin (3), shackle jaw mechanism (4), clamping clip mechanism (5), pincers case (6) and folded spring (7); Wherein, support (1) is hinged with end hinge formula hoist cylinder (2), and the piston rod of hoist cylinder (2) is hinged with pincers casees (6), hoist cylinder (2) symmetric arrangement; Pincers casees (6) are fixedlyed connected with clamping clip mechanism (5), to realize that caliper moves with hoist cylinder; Folded spring (7) is installed between shackle jaw mechanism (4) and the clamping clip mechanism (5), and vertical pin (3) passes shackle jaw mechanism (4) and clamping clip mechanism (5), fixedlys connected with support (1) in the two ends of vertical pin (3);
Described hoist cylinder (2), vertical pin (3) and pincers casees (6) are formed elevating mechanism, hoist cylinder (2) drives pincers case (6) and then drive shackle jaw mechanism (4) and clamping clip mechanism (5) along vertical pin (3) lifting, realizes the action of caliper aligning tool joint place;
Described shackle jaw mechanism (4) by shackle oil cylinder (8), unload clasp forceps support (9), unload clasp forceps copper backing (10), clamping cylinder (13), clamp casing (14), clamp bearing (15), clamp (16) and dental lamina (17) and form, clamping cylinder (13), clamping casing (14), clamp bearing (15), clamp (16) and dental lamina (17) composition unload clasp forceps, and it is uniform around 120 ° of drilling rod center lines to unload clasp forceps; The piston rod of shackle oil cylinder (8) is with to unload clasp forceps support (9) hinged, unload the embedded clasp forceps copper backing (10) that unloads of gathering sill of clasp forceps, clamping cylinder (13) is connected by flange with clamping casing (14), clamps casing (14) and unload clasp forceps support (9) to be welded to connect; Unloading clasp forceps inside, clamping cylinder (13) and clamp bearing (15) are fixed with bearing pin, clamp bearing (15) and clamp (16) with bolt be connected, dental lamina (17) is fixed on the clamp (16); During action, the clamping cylinder (13) that unloads clasp forceps drives the clamping caliper of being made up of clamp bearing (15), clamp (16), dental lamina (17) and clamps upward kelly bar, after sensor is passed clamping signal back, shackle oil cylinder (8) driving is unloaded clasp forceps support (9) drive and is unloaded clamping clip support (11) rotation that clasp forceps edge centered by drilling rod is embedded with copper backing (12), finishes drilling rod unloading action;
Described clamping clip mechanism (5) is by clamping clip support (11), copper backing (12), clamping cylinder (13), clamp casing (14), clamp bearing (15), clamp (16) and dental lamina (17) are formed, clamping cylinder (13), clamp casing (14), clamp bearing (15), clamp (16) and dental lamina (17) are formed clamping clip, three groups of clamping clips around the drilling rod center line be 120 ° uniform, the structure of clamping clip is identical with the shackle wrench structure of shackle jaw mechanism (4), clamping clip support (11) is screwed with copper backing (12), clamp casing (14) and be welded to connect with clamping clip support (11), clamping clip is connected with bolt with clamping casing (14); During action, the clamping cylinder of clamping clip (13) drives the clamping clip of being made up of clamp bearing (15), clamp (16) and dental lamina (17) and clamps kelly bar down.
2. a kind of iron driller clamping unloading device according to claim 1, it is characterized in that: described support (1) is the concave shaped support, in support (1), place shackle jaw mechanism (4) and clamping clip mechanism (5), and realize connecting and guiding with vertical pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085609 CN203066909U (en) | 2013-02-25 | 2013-02-25 | Clamping and unscrewing device for iron roughneck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085609 CN203066909U (en) | 2013-02-25 | 2013-02-25 | Clamping and unscrewing device for iron roughneck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066909U true CN203066909U (en) | 2013-07-17 |
Family
ID=48765719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320085609 Withdrawn - After Issue CN203066909U (en) | 2013-02-25 | 2013-02-25 | Clamping and unscrewing device for iron roughneck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203066909U (en) |
Cited By (5)
| 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 |
| CN103552013A (en) * | 2013-10-18 | 2014-02-05 | 焦作锦标机械制造有限公司 | Fixture box on drill pipe joint |
| CN108825151A (en) * | 2018-09-04 | 2018-11-16 | 中国地质大学（北京） | A kind of rock-core borer clamping unloading device and rock-core borer |
| CN109577884A (en) * | 2018-12-20 | 2019-04-05 | 江苏徐工工程机械研究院有限公司 | Holding block, unloading rod structure and deep well drilling machine using structure |
| CN112177549A (en) * | 2020-11-16 | 2021-01-05 | 吉林大学 | Self-balancing continuous screwing and unscrewing drill rod screw thread device |
-
2013
- 2013-02-25 CN CN 201320085609 patent/CN203066909U/en not_active Withdrawn - After Issue
Cited By (7)
| 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 |
| CN103552013A (en) * | 2013-10-18 | 2014-02-05 | 焦作锦标机械制造有限公司 | Fixture box on drill pipe joint |
| CN103552013B (en) * | 2013-10-18 | 2015-08-19 | 焦作锦标机械制造有限公司 | Fixture box in a kind of tool joint |
| CN108825151A (en) * | 2018-09-04 | 2018-11-16 | 中国地质大学（北京） | A kind of rock-core borer clamping unloading device and rock-core borer |
| CN109577884A (en) * | 2018-12-20 | 2019-04-05 | 江苏徐工工程机械研究院有限公司 | Holding block, unloading rod structure and deep well drilling machine using structure |
| CN109577884B (en) * | 2018-12-20 | 2023-11-07 | 江苏徐工工程机械研究院有限公司 | Holding block, rod unloading structure and deep well drilling machine using same |
| CN112177549A (en) * | 2020-11-16 | 2021-01-05 | 吉林大学 | Self-balancing continuous screwing and unscrewing drill rod screw thread device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |