CN202510059U - Liquid-operated folio slip device for drill machine - Google Patents
Liquid-operated folio slip device for drill machine Download PDFInfo
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- CN202510059U CN202510059U CN2012201041630U CN201220104163U CN202510059U CN 202510059 U CN202510059 U CN 202510059U CN 2012201041630 U CN2012201041630 U CN 2012201041630U CN 201220104163 U CN201220104163 U CN 201220104163U CN 202510059 U CN202510059 U CN 202510059U
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Abstract
The utility model provides a liquid-operated folio slip device for a drill machine, which is applied to the mouth of a drilling well, and is applicable to a common straight well drilling machine and a common inclined well drilling machine. A left housing is connected with a right housing by a cylindrical pin to form an outer housing of the liquid-operated slip device; two hydraulic cylinders are respectively fixed at the side faces of the left and right housings; the ends of cylinder rods of the two hydraulic cylinders are respectively connected with a sliding block by a connecting flange; two slips are fixed at the inner wall of each sliding block, each slip is connected with each sliding block by an up-sliding mechanism which consists of a slide base and a slide body, the slide bases are fixed on the slide blocks by bolts, and the slide blocks are fixed on the slips by the bolts; and the lower parts of the slips are provided with spring mechanisms. The liquid-operated folio slip device has the effects that the hydraulic cylinders drive the slips of the slide blocks to be opened and closed within a slide way of the left and right housings, so that a drill column can be clamped, the space of the mouth of the well can be saved, and the trip can be carried out. The liquid-operated folio slip device is connected with a derrick by pins, and when the derrick is inclined at a certain angle, the axes of the slips are always kept to be in parallel with the derrick, so that the liquid-operated folio slip device can be guaranteed to be applied to the inclined and straight well drilling machines.
Description
Technical field
The utility model relates to oil drilling equipment technology field, and particularly a kind of drilling well rig tool equipment is a kind of slip system that surges that is applicable to common straight well rig and slant rig.
Background technology
At present, present domestic rig slips commonly used is manual slip or air operated slips, and manual slip consumes manpower; Labour intensity is big, and the operating time is long, carries certain altitude on air operated slips needs and discharges latus rectum; Guarantee that drill string passes through smoothly; Can increase the well head height like this,, increase the height of rig for the small-sized drill of compact conformation.And conventional air operated slips can't be used for slant rig.
The utility model content
The purpose of the utility model is: provide a kind of rig to surge and split slip system; Guarantee under the slips conical surface latching characteristics condition; Change air operated slips into the move left and right Free up Memory by the Free up Memory that moves up; Increase the device that limits each component movement track simultaneously, guarantee that slips can use under the inclination situation.
The technical scheme that the utility model adopts is: rig surges and splits slip system, mainly by hydraulic cylinder, left shell, position-limit mechanism, adpting flange, slide block, upward sliding mechanism, spring mechanism, slips, right shell body are formed.It is characterized in that: left shell and right shell body are connected to form the slips shell body that surges through straight pin; The cylinder barrel of two hydraulic cylinders is separately fixed at left shell and right shell body side through bolt; The end of the cylinder bar of two hydraulic cylinders is connected with slide block through adpting flange, is processed with slideway in left shell and the right shell body, and two slide blocks are respectively on the top of slideway; Promoting slide block through the cylinder bar can horizontally slip in the housing slideway; Each slide block inwall is fixed with two slips; Each piece slips is connected with slide block through last sliding mechanism, and upward sliding mechanism is made up of slide and gliding mass, and slide is through being bolted on the slide block; Slide block is through being bolted on the slips, and gliding mass can slide up and down along slide; Spring mechanism is arranged at the bottom of slips; Spring mechanism is by mounting plate, bottom plate, and disk spring, screw rod, lead are formed, and during free state, mounting plate holds up slips, and slips agrees with conical surface position with respect to slips and slide block.Two position-limit mechanisms are separately fixed on the bottom surface of left shell and right shell body, and two position-limit mechanism rear sides are adjacent to the rear side of left shell and right shell body respectively, and are when position-limit mechanism is not opened, whole in the slider bottom working groove.
The summary rig surges and splits the use of slip system, helps to understand the utility model.Consult Fig. 1.Rig surged split slip system and be installed in well head, in the time need not loading and unloading drill string, hydraulic cylinder 1 cylinder bar is in retracted state, and slide block 5 is in rearward position, and abdicate the well head space this moment, and drill string can pass through smoothly.When needs chuckings drill string, during last shackle, hydraulic cylinder 1d cylinder bar promotes slide block 5 and slips 8 moves ahead; Four slips 8 clamp drill string, and agree with the conical surface because slips 8 is higher than slips 8 with slide block 5 this moment, so slide block 5 conical surface axis are crossed the drill string center; Position-limit mechanism 3 is opened, and top-drive device is transferred drill string, because thrust hydraulic cylinder makes 8 pairs of drill strings of slips that certain clamping force arranged; Thereby under the frictional force effect, it is descending that drill string drives slips 8, and slide block 5 is pushed open to holding out against with position-limit mechanism; This moment left and right sides slide block 5 conical surface axis and drill string axis coaxle because the limited mechanism of slide block holds out against, thereby left and right sides slide block 5 forms rigidity awl; It is descending that drill string drives slips 8 continuation, through slips conical surface self-locking locking drill string.Shackle on the drill string, treat that shackle is accomplished after, drill string is mentioned by top drive, conical surface self-locking is unclamped, position-limit mechanism 3 is regained, hydraulic cylinder 1 drives slide block 5 and regains with slips 8, the well head space is abdicated.Subsequent operation repeats above-mentioned steps.
The beneficial effect of the utility model: the utility model rig surges and splits slip system; Slide block and slips slide in slide; The slide runner gradient is consistent with slips body cone gradient; Each piece slips is slided up and down along slide block taper seat certain limit, and characteristic is to guarantee that slips can put on drill string when pressing with the drill string certain distance that slides.When slide block drove slips clamping drill string, slide block conical surface center drill-over mast axis center certain distance was guaranteed the position-limit mechanism smooth opening.Changed the mode of carrying Free up Memory on the existing air operated slips, the type slips of splitting around discharges the well head latus rectum, has saved slips short transverse space.The degree of freedom of each parts of restriction slips guarantees that slips can be normally practical under the inclination situation.
Description of drawings
Fig. 1 is that the utility model rig surges and splits slip system structural profile sketch map.
Fig. 2 is the vertical view of Fig. 1.
Among the figure, 1-hydraulic cylinder, 2-left shell, 3-position-limit mechanism, 4-adpting flange, 5-slide block, the last sliding mechanism of 6-, 7-spring mechanism, 8-slips, 9-right shell body.
The specific embodiment
Embodiment 1: surging with a rig, to split slip system be example, and the utility model is done further explain.
Consult Fig. 1.The utility model rig surges and splits slip system, mainly by hydraulic cylinder 1, left shell 2, position-limit mechanism 3, adpting flange 4, slide block 5, upward sliding mechanism 6, spring mechanism 7, slips 8, right shell body 9 are formed.Consult Fig. 2.Left shell 1 and right shell body 9 are connected to form the slips shell body that surges of cuboid through straight pin; The cylinder barrel of two hydraulic cylinders 1 is separately fixed at left shell 1 and right shell body 9 sides through bolt.
Consult Fig. 1.The end of the cylinder bar of two hydraulic cylinders 1 is connected with slide block 5 through adpting flange 4, is processed with slideway in left shell 1 and the right shell body 9, and two slide blocks 5 are respectively on the top of slideway; Promoting slide block 5 through the cylinder bar can horizontally slip in the housing slideway; Each slide block 5 inwall is fixed with two slips 8, and each piece slips 8 is connected with slide block 5 through last sliding mechanism 6, and upward sliding mechanism 6 is made up of slide and gliding mass, and slide is through being bolted on the slide block 5, and slide block 5 is through being bolted on the slips 8.Spring mechanism 7 is arranged at the bottom of slips 8; Spring mechanism 7 is by mounting plate, bottom plate, and disk spring, screw rod, lead are formed, and during free state, mounting plate holds up slips 8, and slips 8 agrees with conical surface position with respect to slips 8 and slide block 5.Two position-limit mechanisms 3 are separately fixed on the bottom surface of left shell 2 and right shell body 9, and two position-limit mechanism 3 rear sides are adjacent to the rear side of left shell 2 and right shell body 9 respectively, and are when position-limit mechanism 3 is not opened, whole in slide block 5 bottom working grooves.
Claims (1)
1. a rig surges and splits slip system, mainly by hydraulic cylinder (1), left shell (2), position-limit mechanism (3), adpting flange (4), slide block (5), upward sliding mechanism (6), spring mechanism (7), slips (8), right shell body (9) are formed; It is characterized in that: left shell (1) is connected to form the slips shell body that surges with right shell body (9) through straight pin; The cylinder barrel of two hydraulic cylinders (1) is separately fixed at left shell (1) and right shell body (9) side through bolt; The end of the cylinder bar of two hydraulic cylinders (1) is connected with slide block (5) through adpting flange (4), is processed with slideway in left shell (1) and the right shell body (9), and two slide blocks (5) are respectively on the top of slideway; Promoting slide block (5) through the cylinder bar can horizontally slip in the housing slideway; Each slide block (5) inwall is fixed with two slips (8); Each piece slips (8) is connected with slide block (5) through last sliding mechanism (6); Last sliding mechanism (6) is made up of slide and gliding mass, and slide is through being bolted on the slide block (5), and slide block (5) is through being bolted on the slips (8); Spring mechanism (7) is arranged at the bottom of slips (8); Spring mechanism (7) is by mounting plate, bottom plate; Disk spring, screw rod, lead are formed, and mounting plate holds up slips (8), and slips (8) agrees with conical surface position with respect to slips (8) and slide block (5); Two position-limit mechanisms (3) are separately fixed on the bottom surface of left shell (2) and right shell body (9); Two position-limit mechanisms (3) rear side is adjacent to the rear side of left shell (2) and right shell body (9) respectively, and position-limit mechanism (3) is not when opening, and is whole in the working groove of slide block (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201041630U CN202510059U (en) | 2012-03-20 | 2012-03-20 | Liquid-operated folio slip device for drill machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201041630U CN202510059U (en) | 2012-03-20 | 2012-03-20 | Liquid-operated folio slip device for drill machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510059U true CN202510059U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201041630U Expired - Lifetime CN202510059U (en) | 2012-03-20 | 2012-03-20 | Liquid-operated folio slip device for drill machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533317A (en) * | 2014-12-27 | 2015-04-22 | 长安大学 | Oppositely-opened type hydraulic power slip |
| WO2023000395A1 (en) * | 2021-07-22 | 2023-01-26 | 台州市迪信勘察仪器有限公司 | Novel probe rod grasper |
-
2012
- 2012-03-20 CN CN2012201041630U patent/CN202510059U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533317A (en) * | 2014-12-27 | 2015-04-22 | 长安大学 | Oppositely-opened type hydraulic power slip |
| WO2023000395A1 (en) * | 2021-07-22 | 2023-01-26 | 台州市迪信勘察仪器有限公司 | Novel probe rod grasper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |