CN109915047A - Power head slips clamping device - Google Patents
Power head slips clamping device Download PDFInfo
- Publication number
- CN109915047A CN109915047A CN201910227452.6A CN201910227452A CN109915047A CN 109915047 A CN109915047 A CN 109915047A CN 201910227452 A CN201910227452 A CN 201910227452A CN 109915047 A CN109915047 A CN 109915047A
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- Prior art keywords
- slips
- power head
- oil cylinder
- clamping device
- slip
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- 241000239290 Araneae Species 0.000 claims abstract description 33
- 238000005553 drilling Methods 0.000 abstract description 13
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of power head slips clamping device, the both ends of oil cylinder are connect with cabinet and bearing block respectively, and main shaft is mounted in cabinet, and slips is arranged in the slip groove of main shaft；Pivoted housing is provided in bearing block, one end of pivoted housing is fixed with slip spider, and slip spider and slips pass through cone match；Oil cylinder driving slips is gone up and down in slip groove while sliding in slip spider.The structure of present invention entirety is simpler, and the oil cylinder being arranged outside power head has bigger movement travel.When the piston rod of oil cylinder makees stretching motion, drive bearing block, pivoted housing and slip spider entirety side-to-side movement, slips passes through cone match, the side-to-side movement of slip spider is converted into up and down motion, and realize the clamping and release to drilling tool, due to oil cylinder stretching motion stroke increase, then slips move up and down stroke also become larger, oil cylinder also can guarantee more greatly with stable clamping force.
Description
Technical field
The present invention relates to drilling equipment field, especially a kind of power head slips clamping device.
Background technique
Power head is the core component of engineering driller, and the major function of power head is the torque for generating power part and turns
Speed passes to drilling tool, realizes the continuous drilling of drilling tool, drilling tool is generally by slips clamping fixed on power head.Current driving force
Clamping of the head to drilling tool, generally uses hydraulic way, drives slip spider movement by oil cylinder, is cooperated by slip spider and slips,
The direction for clamping slips to drilling tool moves.The oil cylinder of existing power head slips clamping device is mounted on the side inside power head
Face pushes slip spider to be moved to the left when oil cylinder elongation, and slips will be moved left and with the cooperation of the inclined-plane of slip spider and is converted into
It moves downward, realizes the clamping to drilling tool；After oil cylinder is shunk, under the action of butterfly spring, slips is shot back and unclamps brill
Tool.The power head slips clamping device overall construction design of this structure is more complicated, and the space of oil cylinder and slip spider has
Limit, and biggish slip travel can not be obtained, it is also difficult to obtain biggish clamping force.In addition this inside configuration uses butterfly
Spring is as resilient element, since butterfly spring is mounted on inside power head, whether is in effective working condition for it, no
The case where capable of easily being observed in real time, being also easy to produce rebound failure.
Summary of the invention
Structure is complicated for above-mentioned existing power head slips clamping device by the applicant, and slip travel and clamping force are lesser
Disadvantage provides a kind of reasonable power head slips clamping device structure, and overall structure is simple, and oil cylinder is set to outside power head,
Bigger movement travel can be obtained, slips is made to obtain bigger space and clamping force.
The technical solution adopted in the present invention is as follows:
A kind of power head slips clamping device, the both ends of oil cylinder are connect with cabinet and bearing block respectively, and main shaft is mounted in cabinet,
Slips is arranged in the slip groove of main shaft；Be provided with pivoted housing in bearing block, one end of pivoted housing is fixed with slip spider, slip spider with
Slips passes through cone match；Oil cylinder driving slips is gone up and down in slip groove while sliding in slip spider.
As a further improvement of the above technical scheme:
Slip spider is cylindrical hollow shaft, and inner hole includes connecting with the taper hole of slips cooperation, intermediate step hole and with pivoted housing
Outer end stepped hole.
Taper hole is the small tapered hole of outer imperial palace.
The diameter in intermediate step hole is greater than the outer diameter of main shaft, and depth is greater than slips inner side end to main shaft with side end face
Distance value.
Several pieces of slips are circumferentially disposed in the slip groove of main shaft.
The inner periphery cylinder flank of tooth of slips, periphery are conical, the inner conical surface of the taper hole of male cone (strobilus masculinus) angle and slip spider
Angle it is equal, the male cone (strobilus masculinus) of slips and the inner conical surface of taper hole are engaged and slide.
Slip groove in the axial direction with slips clearance fit.
Beneficial effects of the present invention are as follows:
The oil cylinder of power head slips clamping device of the invention designs stretching motion direction and main-shaft axis outside power head
In parallel, cylinder pedestal is bolted on cabinet, and cylinder piston rod is hinged with bearing block by pin shaft, and pivoted housing passes through bearing
It is mounted on bearing block, slip spider is bolted to connection with pivoted housing.The structure of present invention entirety is simpler, outside power head
The oil cylinder of portion's setting has bigger movement travel.When the piston rod of oil cylinder makees stretching motion, bearing block, pivoted housing and card are driven
Watt seat entirety side-to-side movement, slips is converted to ups and down motion by cone match, by the side-to-side movement of slip spider, and realization is to brill
The clamping and release of tool, since the stretching motion stroke of oil cylinder increases, then the stroke that slips moves up and down also becomes larger, and oil cylinder also can
Guarantee more greatly with stable clamping force.
Detailed description of the invention
Fig. 1 is using gyrator left view of the invention.
Fig. 2 is the cross-sectional view of A-A in Fig. 1.
Fig. 3 is partial sectional view of the invention.
Fig. 4 is the cross-sectional view of B-B in Fig. 2.
In figure: 1, cabinet；2, main shaft；3, hydraulic motor；6, oil cylinder；7, piston rod；8, cylinder seat；10, pin shaft；11, bearing
Seat；13, slip groove；14, slips；15, slip spider；16, taper hole；17, intermediate step hole；18, outer end stepped hole；19, axle sleeve；
20, pivoted housing；25, round nut；26, washer；27, first boss；28, spacer flanger；29, right end bearing department of assembly.
Specific embodiment
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.For ease of description, left side is left end in Fig. 2, right
Side is right end.
As shown in Fig. 2, through-hole type power head of the present invention, which is broadly divided into the coaxial left side of center line, provides rotation
Part and right side provide the part of clamping, and the cylinder seat 8 of oil cylinder 6 is fixed on the cabinet 1 of left side by fixing piece, and 6 right end of oil cylinder is living
Stopper rod 7 is hinged by pin shaft 10 and right side bearing block 11.Wherein left side main shaft 2 is mounted in cabinet 1 by bearing, hydraulic motor
3 are rotated by gear drive driving spindle 2；Right side pivoted housing 20 is mounted in bearing block 11 by bearing, and 20 left end of pivoted housing passes through
It is bolted slip spider 15.
As shown in Figures 2 and 3, pivoted housing 20 is hollow multi-diameter shaft, outer circle ladder mainly include first boss 27, in
Between flange 28 and right end bearing department of assembly 29；Pivoted housing 20 is mounted on axis by bearing and axle sleeve 19 at right end bearing department of assembly 29
It holds in seat 11, round nut 25 is fixed by the screw thread and pivoted housing 20 of 20 right end of pivoted housing and solid by bolt with the washer of its outer end 26
It is fixed.The outer diameter of the outer diameter and slip spider 15 of the spacer flanger 28 of pivoted housing 20 is of substantially equal；The first boss 27 of pivoted housing 20 is sleeved on
In the outer end stepped hole 18 of slip spider 15, and circumferentially pass through bolt for pivoted housing 20 and slip spider in the step surface of spacer flanger 28
15 is fixed.Slip spider 15 is cylindrical hollow shaft, inside be provided with taper hole 16, intermediate step hole 17 and outer end stepped hole 18,
Taper hole 16 is the small tapered hole of outer imperial palace, and for horn mouth towards a left side, the diameter in intermediate step hole 17 is greater than the outer diameter of main shaft 2, works as card
When watt seat 15 is mobile to the direction of cabinet 1 under the drive of oil cylinder 6, main shaft 2 can pass through intermediate step hole 17；Intermediate step hole
17 depth is greater than 14 inner side end of slips to main shaft 2 with the distance value of side end face, and to prevent, 6 stroke of oil cylinder is excessive and to turn
Set 20 squeezes main shaft 2；The diameter of outer end stepped hole 18 is greater than the diameter in intermediate step hole 17.As shown in figure 4, several pieces of slips 14
Be circumferentially disposed in the slip groove 13 of main shaft 2, in this example be arranged three pieces of slips 14, slip groove 13 in the axial direction with slips
14 clearance fits；The periphery of slips 14 is cone, and cross-sectional shape radially is right-angled trapezium, corresponds to lower right angle
The inner circumferential on side is the cylinder flank of tooth, and the male cone (strobilus masculinus) angle for corresponding to bevel edge is equal with the angle of 16 inner conical surface of taper hole, and and slips
The inner cone face contact of the taper hole 16 of seat 15 is simultaneously slided.
In actual work, the piston rod 7 of oil cylinder 6 is shunk the present invention, drives bearing block 11, pivoted housing 20 and slip spider 15 to leaning on
The direction of nearly cabinet 1 is mobile, and the inner conical surface of the taper hole 16 of slip spider 15 is moved to the left along the male cone (strobilus masculinus) of slips 14 and to slips 14
Male cone (strobilus masculinus) apply pressure, due to the axial direction limitation of slip groove 13, slips 14 moved radially along slip groove 13 towards central axial line, from
And clamp the drilling tool being placed in 2 centre bore of main shaft.Start hydraulic motor 3, main shaft 2 delivered torque to by gear drive,
Main shaft 2 drives drilling tool and slips 14, slip spider 15 and pivoted housing 20 to rotate together, then drilling tool can start bore operation.Work as brill
After the operation of hole, hydraulic motor 3 is closed, after main shaft 2 stops operating, the piston rod 7 of oil cylinder 6 extends, and drives bearing block 11, turns
Set 20 and slip spider 15 are mobile to the direction far from cabinet 1, the male cone (strobilus masculinus) of the inner conical surface of the taper hole 16 of slip spider 15 along slips 14
It moves right, the pressure of 14 male cone (strobilus masculinus) of slips is unloaded, and unclamps drilling tool under the centrifugal force effect that rotation generates.
Above description is explanation of the invention, is not limitation of the invention, without prejudice to spirit of that invention the case where
Under, the present invention can make any type of modification.
Claims (7)
1. a kind of power head slips clamping device, it is characterised in that: the both ends of oil cylinder (6) respectively with cabinet (1) and bearing block
(11) it connects, main shaft (2) is mounted in cabinet (1), and slips (14) is arranged in the slip groove (13) of main shaft (2)；Bearing block
(11) it is provided with pivoted housing (20) in, one end of pivoted housing (20) is fixed with slip spider (15), and slip spider (15) and slips (14) are logical
Cross cone match；Oil cylinder (6) drives slips (14) lifting in slip groove (13) while sliding in slip spider (15).
2. power head slips clamping device described in accordance with the claim 1, it is characterised in that: slip spider (15) is cylindrical sky
Mandrel, inner hole include and the taper hole (16) of slips (14) cooperation, intermediate step hole (17) and the outer end connecting with pivoted housing (20)
Stepped hole (18).
3. power head slips clamping device according to claim 2, it is characterised in that: taper hole (16) is the small cone of outer imperial palace
Spend hole.
4. power head slips clamping device according to claim 2, it is characterised in that: the diameter of intermediate step hole (17) is big
Outer diameter in main shaft (2), depth are greater than slips (14) inner side end to main shaft (2) with the distance value of side end face.
5. power head slips clamping device described in accordance with the claim 1, it is characterised in that: several pieces of slips (14) circumferentially set
It sets in the slip groove (13) of main shaft (2).
6. power head slips clamping device described in accordance with the claim 1, it is characterised in that: the inner periphery Cylinder Gear of slips (14)
Face, periphery are cone, and male cone (strobilus masculinus) angle is equal with the angle of inner conical surface of taper hole (16) of slip spider (15), slips (14)
Male cone (strobilus masculinus) and the inner conical surface of taper hole (16) be engaged and slide.
7. power head slips clamping device described in accordance with the claim 1, it is characterised in that: slip groove (13) in the axial direction with
Slips (14) clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227452.6A CN109915047A (en) | 2019-03-25 | 2019-03-25 | Power head slips clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227452.6A CN109915047A (en) | 2019-03-25 | 2019-03-25 | Power head slips clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109915047A true CN109915047A (en) | 2019-06-21 |
Family
ID=66966603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910227452.6A Pending CN109915047A (en) | 2019-03-25 | 2019-03-25 | Power head slips clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109915047A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454614A (en) * | 2019-08-30 | 2019-11-15 | 奥瑞拓能源科技股份有限公司 | A kind of large-scale pipeline long range power-assisted returns and drags equipment |
| CN113294094A (en) * | 2021-06-21 | 2021-08-24 | 中国地质科学院勘探技术研究所 | Swing type horizontal drilling casing device and drilling method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649725A (en) * | 2009-08-21 | 2010-02-17 | 江苏省无锡探矿机械总厂有限公司 | Pinion and rack clamping mechanism |
| CN201614894U (en) * | 2010-02-09 | 2010-10-27 | 煤炭科学研究总院西安研究院 | Compound clamp fastener with opened top |
| CN202300192U (en) * | 2011-09-30 | 2012-07-04 | 三一重型装备有限公司 | Underground drilling rig and hydraulic power head device thereof |
| CA2887564A1 (en) * | 2012-10-10 | 2014-04-17 | Songyuan City Forward Petroleum Engineering Machinery Co., Ltd | Method of continuously raising and lowering oilfield shaft drillstring and double traveling slips device |
| CN205000913U (en) * | 2015-10-13 | 2016-01-27 | 赤峰启航钻机厂 | Hydraulic pressure elasticity type chuck |
| CN206309307U (en) * | 2016-12-16 | 2017-07-07 | 连云港黄海勘探技术有限公司 | A kind of rock-core borer hydraulic booster chuck |
| CN207260973U (en) * | 2017-08-18 | 2018-04-20 | 陕西斯达防爆安全科技股份有限公司 | A kind of oild chuck formula drill rod grip device |
| CN209704506U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Power head slips clamping device |
-
2019
- 2019-03-25 CN CN201910227452.6A patent/CN109915047A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649725A (en) * | 2009-08-21 | 2010-02-17 | 江苏省无锡探矿机械总厂有限公司 | Pinion and rack clamping mechanism |
| CN201614894U (en) * | 2010-02-09 | 2010-10-27 | 煤炭科学研究总院西安研究院 | Compound clamp fastener with opened top |
| CN202300192U (en) * | 2011-09-30 | 2012-07-04 | 三一重型装备有限公司 | Underground drilling rig and hydraulic power head device thereof |
| CA2887564A1 (en) * | 2012-10-10 | 2014-04-17 | Songyuan City Forward Petroleum Engineering Machinery Co., Ltd | Method of continuously raising and lowering oilfield shaft drillstring and double traveling slips device |
| CN205000913U (en) * | 2015-10-13 | 2016-01-27 | 赤峰启航钻机厂 | Hydraulic pressure elasticity type chuck |
| CN206309307U (en) * | 2016-12-16 | 2017-07-07 | 连云港黄海勘探技术有限公司 | A kind of rock-core borer hydraulic booster chuck |
| CN207260973U (en) * | 2017-08-18 | 2018-04-20 | 陕西斯达防爆安全科技股份有限公司 | A kind of oild chuck formula drill rod grip device |
| CN209704506U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Power head slips clamping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454614A (en) * | 2019-08-30 | 2019-11-15 | 奥瑞拓能源科技股份有限公司 | A kind of large-scale pipeline long range power-assisted returns and drags equipment |
| CN113294094A (en) * | 2021-06-21 | 2021-08-24 | 中国地质科学院勘探技术研究所 | Swing type horizontal drilling casing device and drilling method thereof |
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