CN103696721B - Boulder grabbing device and rotary drilling rig at the bottom of hole - Google Patents
Boulder grabbing device and rotary drilling rig at the bottom of hole Download PDFInfo
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- CN103696721B CN103696721B CN201310633781.3A CN201310633781A CN103696721B CN 103696721 B CN103696721 B CN 103696721B CN 201310633781 A CN201310633781 A CN 201310633781A CN 103696721 B CN103696721 B CN 103696721B
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- boulder
- gripping arm
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- grabbing device
- claw
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Abstract
The invention provides boulder grabbing device and rotary drilling rig at the bottom of a kind of hole, at the bottom of hole, boulder grabbing device includes: union joint, for being connected with suspender to promote and transferring boulder grabbing device at the bottom of described hole；Top cover, rounded disk-like structure, it is connected to below described union joint；At least three gripping arm, is uniformly distributed along described top cover circumference, and the upper end of described gripping arm is fixed with described top cover and is connected, and the lower end of described gripping arm flexes outward；With described gripping arm claw one to one, the upper end thereof of described claw is on the lower end of described gripping arm, and the lower end of described claw is inwardly stretched；Driving means, is used for driving the most described gripping arm of described claw inwardly swing or swing out.Boulder grabbing device at the bottom of hole of the present invention, solves in work progress, the problem that bulk boulder cannot drill through when creeping into bigger earth layer of solitary stone, improve drilling tool drilling efficiency with creep into quality, decrease construction cost, improve construction benefit.
Description
Technical field
The present invention relates to mechanical field, particularly to boulder grabbing device and rotary drilling rig at the bottom of a kind of hole.
Background technology
In recent years, along with the construction energetically of the infrastructure such as China's highway, high-speed railway, rotary drilling rig
It is developed rapidly and is widely applied.China region is vast in territory, and geological form is different, rotary drilling rig
Running into boulder bed when, often due to the particle diameter of cobble differs and produces the phenomenon that efficiency of construction reduces,
Particularly running into crushed gravel and backfill soil layer when, in the case of cobble particle diameter is less, typically adopt
Cut-off connects and can be achieved with creeping into faster with dragging for sand hopper, but running into greater particle size cobble when, just
Effectively cannot creep into, if now taking to drill through, due to cylinder with cylinder with the conventional sand hopper that drags for
Do not have the when of being drilled in the cobble drilling through greater particle size bottom picking-up device, at this moment arise that i.e. enable by
But the phenomenon in cobble is inserted in cylinder but cannot pulled out, the most easily causes project progress to be obstructed, makes
Delaying of engineering construction progress, and then bring bigger loss to construction so that construction progress time-consumingly consumes wealth consumption
Power.
Summary of the invention
In view of this, it is contemplated that propose a kind of to be specifically designed for crushed gravel and at the bottom of hole that backfill soil layer creeps into
Boulder grabbing device and there is boulder grabbing device rotary drilling rig at the bottom of this hole, to give full play to the excellent of rotary drilling rig
Point, improve drilling tool drilling efficiency with creep into quality.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
On the one hand, the invention provides boulder grabbing device at the bottom of a kind of hole, for capturing the bulk of foot of hole
Boulder, including:
Union joint, for being connected with suspender to promote and transferring boulder grabbing device at the bottom of described hole；
Top cover, rounded disk-like structure, it is connected to below described union joint；
At least three gripping arm, circumferentially distributed along described top cover, and the upper end of described gripping arm fixes with described top cover
Connecting, the lower end of described gripping arm flexes outward；
With described gripping arm claw one to one, the upper end thereof of described claw on the lower end of described gripping arm,
The lower end of described claw is inwardly stretched；
Driving means, is used for driving the most described gripping arm of described claw inwardly swing or swing out.
Further, described driving means is and described claw hydraulic cylinder one to one, described hydraulic cylinder
One end is hinged on described gripping arm or top cover, and the other end is hinged on the claw of correspondence.
Further, described top cover is provided with the hydraulic valve for controlling described hydraulic cylinder.
Further, described driving means is and described pawl cylinder one to one, one end hinge of described cylinder
Being connected on described gripping arm or top cover, the other end is hinged on the claw of correspondence.
Further, described top cover is provided with the pneumatic operated valve for controlling described cylinder.
Further, the quantity of described gripping arm is three.
Further, it is provided with bracing piece between described adjacent gripping arm.
Further, described gripping arm upper end and described claw upper end are provided with free bearing, the cylinder of described hydraulic cylinder
Being hinged on bottom Tong on the free bearing of described gripping arm upper end, the top of the piston rod of described hydraulic cylinder is hinged on described
On the free bearing of claw upper end.
Further, described gripping arm is provided with for preventing the groove interfered with described hydraulic cylinder.
On the other hand, present invention also offers a kind of rotary drilling rig, described rotary drilling rig is provided with as mentioned above
Hole at the bottom of boulder grabbing device.
Relative to prior art, present invention have the advantage that
1, boulder grabbing device at the bottom of hole of the present invention, it is possible to capture the single bulk stone at the bottom of hole (i.e. lonely
Stone), solve in work progress, the problem that bulk boulder cannot drill through when creeping into bigger earth layer of solitary stone, carry
The drilling efficiency of high drilling tool with creep into quality, decrease construction cost, improve construction benefit.
2, at the bottom of hole of the present invention, the installation of boulder grabbing device is convenient, simple and reliable for structure.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the structural representation of boulder grabbing device at the bottom of the hole described in the embodiment of the present invention.
Description of reference numerals:
1-union joint, 2-top cover, 3-gripping arm, 4-claw, 5-hydraulic cylinder, 6-hydraulic valve, 7-bracing piece, 8-
Free bearing.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the relevant drawings of the present embodiment, and as shown in FIG., boulder at the bottom of the hole described in the present embodiment is grabbed
Fetching is put and is included union joint 1, top cover 2 and three gripping arms 3, claw 4 and hydraulic cylinder 5.Union joint 1 is used
In being connected with steel wire rope or other suspenders to promote and boulder grabbing device at the bottom of lower discharge hole；Top cover 2 is rounded
Disk-like structure, is connected to below union joint 1；Three gripping arms 3 are uniformly distributed along top cover 2 circumference, and gripping arm
The upper end of 3 is fixing with top cover 2 to be connected, and the lower end of gripping arm 3 flexes outward；Three claws 4 and gripping arm 3 one
One is corresponding, and the upper end thereof of claw 4 is on the lower end of gripping arm 3, and the lower end of claw 4 is inwardly stretched, in case
Only boulder or other foreign body landings；Gripping arm 3 upper end and claw 4 upper end are provided with free bearing 8, hydraulic cylinder 5
Cylinder barrel bottom be hinged on the free bearing 8 of gripping arm 3 upper end, the top of the piston rod of hydraulic cylinder 5 is hinged on card
On the free bearing 8 of pawl 4 upper end, it is used for driving the relative gripping arm 3 of claw 4 inwardly swing or swing out, and then
Capture or decontrol boulder.The hydraulic valve 6 for controlling hydraulic cylinder 5 it is provided with on top cover 2.Adjacent gripping arm 3
Between be provided with bracing piece 7, to strengthen the structural strength of whole device.It is additionally provided with for preventing in gripping arm 3
The groove only interfered with hydraulic cylinder 5.In figure, the dotted line at top cover 2 is the pipeline of hydraulic cylinder 5.
In work progress, boulder grabbing device at the bottom of this hole needs external hydraulic power unit, or is directly connected to rotation and digs
On rig fuel tank, boulder grabbing device at the bottom of hole is connected on union joint 1 by steel wire rope or miscellaneous equipment,
Then transfer at boulder at the bottom of hole, by hydraulic control during transferring, control hydraulic cylinder 5 and be in contraction
State, now claw 4 is in open configuration, promptly boulder (the most single larger-diameter stone) or
After foreign body (such as falling into other drilling tools at the bottom of hole), the piston rod controlling hydraulic cylinder 5 stretches out, now three
Claw 4 can be in the state of tightening up, and clamps boulder.After boulder is clamped, the steel wire rope above boring is by hole
End boulder grabbing device and boulder propose outside hole together, complete whole boulder and capture process.
Boulder grabbing device at the bottom of hole described in the present embodiment, solves in work progress, is creeping into bigger boulder
The problem that during stratum, bulk boulder cannot drill through, improve drilling tool drilling efficiency with creep into quality, decrease and execute
Work cost, improves construction benefit, and install convenient, simple and reliable for structure.
In other embodiments, this hydraulic cylinder 5 can also be cylinder, and corresponding hydraulic valve can also be pneumatic
Valve, the upper end of this hydraulic cylinder 5 or cylinder can also be connected directly between on top cover, three gripping arms along top cover point
Mode for cloth can also be asymmetrical mode.
Except boulder grabbing device at the bottom of above-mentioned hole, the present invention also provides for one and is provided with boulder crawl at the bottom of above-mentioned hole
The rotary drilling rig of device, the structural reference prior art of other each several part of this rotary drilling rig, the most superfluous
State.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (10)
1. a boulder grabbing device at the bottom of hole, for capturing the bulk boulder of foot of hole, it is characterised in that
Including:
Union joint (1), for being connected with suspender to promote and transferring boulder grabbing device at the bottom of described hole；
Top cover (2), rounded disk-like structure, it is connected to described union joint (51) lower section；
At least three gripping arm (3), circumferentially distributed along described top cover (2), and the upper end of described gripping arm (3)
Fixing with described top cover (2) and be connected, the lower end of described gripping arm (3) flexes outward；
With described gripping arm (3) claw one to one (4), the upper end thereof of described claw (4) is described
On the lower end of gripping arm (3), the lower end of described claw (4) is inwardly stretched；
Driving means, is used for driving described claw (4) the most described gripping arm (3) inwardly swing or outwards put
Dynamic；One end of described driving means is hinged on described gripping arm (3) or described top cover (2), and the other end cuts with scissors
It is connected on the claw (4) of correspondence.
Boulder grabbing device at the bottom of hole the most according to claim 1, it is characterised in that described driving fills
Being set to and described claw (4) hydraulic cylinder one to one (5), one end of described hydraulic cylinder (5) is hinged on
In described gripping arm (3) or top cover (2), the other end is hinged on the claw (4) of correspondence.
Boulder grabbing device at the bottom of hole the most according to claim 2, it is characterised in that described top cover (2)
On be provided with the hydraulic valve (6) for controlling described hydraulic cylinder (5).
Boulder grabbing device at the bottom of hole the most according to claim 1, it is characterised in that described driving fills
Being set to and described claw (4) cylinder one to one, one end of described cylinder is hinged on described gripping arm (3)
Or on top cover (2), the other end is hinged on the claw (4) of correspondence.
Boulder grabbing device at the bottom of hole the most according to claim 4, it is characterised in that described top cover (2)
On be provided with the pneumatic operated valve for controlling described cylinder.
Boulder grabbing device at the bottom of hole the most according to claim 1, it is characterised in that described gripping arm (3)
Quantity be three.
7. according to boulder grabbing device at the bottom of the hole described in claim 1 or 6, it is characterised in that described phase
It is provided with bracing piece (7) between adjacent gripping arm (3).
8. according to boulder grabbing device at the bottom of the hole described in Claims 2 or 3, it is characterised in that described in grab
Arm (3) upper end and described claw (4) upper end are provided with free bearing (8), the cylinder barrel of described hydraulic cylinder (5)
Bottom is hinged on the free bearing (8) of described gripping arm (3) upper end, the top of the piston rod of described hydraulic cylinder (5)
Portion is hinged on the free bearing (8) of described claw (4) upper end.
Boulder grabbing device at the bottom of hole the most according to claim 8, it is characterised in that described gripping arm (3)
On be provided with for preventing the groove interfered with described hydraulic cylinder (55).
10. a rotary drilling rig, it is characterised in that described rotary drilling rig is arranged just like claim 1 to 9
Boulder grabbing device at the bottom of hole described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633781.3A CN103696721B (en) | 2013-11-29 | 2013-11-29 | Boulder grabbing device and rotary drilling rig at the bottom of hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633781.3A CN103696721B (en) | 2013-11-29 | 2013-11-29 | Boulder grabbing device and rotary drilling rig at the bottom of hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103696721A CN103696721A (en) | 2014-04-02 |
| CN103696721B true CN103696721B (en) | 2016-10-05 |
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ID=50358367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310633781.3A Active CN103696721B (en) | 2013-11-29 | 2013-11-29 | Boulder grabbing device and rotary drilling rig at the bottom of hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103696721B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804656A (en) * | 2016-04-28 | 2016-07-27 | 安徽省路港工程有限责任公司 | Drilling massive boulder lifting cylindrical drill |
| CN111335906B (en) * | 2020-03-11 | 2021-11-23 | 中铁二局集团有限公司 | Construction method for drilling boulder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452479A (en) * | 1979-04-14 | 1984-06-05 | Kabushiki Kaisha Komatsu Seisakusho | Gripping device with interdigitating, articulate fingers |
| CN2589161Y (en) * | 2002-11-29 | 2003-12-03 | 李勋 | Mechanical arm |
| CN2928408Y (en) * | 2006-08-01 | 2007-08-01 | 钟安东 | Multifunction loading and unloading hydraulic robot |
| CN201503361U (en) * | 2009-10-22 | 2010-06-09 | 长沙矿冶研究院 | Submarine hydrothermal sulfide chimney sampling grab net |
| CN202572401U (en) * | 2012-04-15 | 2012-12-05 | 佳木斯大学 | Linkage-reinforcing and reverse self-locking type mechanical gripper |
| CN203655204U (en) * | 2013-11-29 | 2014-06-18 | 北京市三一重机有限公司 | Hole bottom boulder grabbing device and rotary drilling rig |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04105891A (en) * | 1990-08-24 | 1992-04-07 | Shigeji Ota | Hand chuck |
-
2013
- 2013-11-29 CN CN201310633781.3A patent/CN103696721B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452479A (en) * | 1979-04-14 | 1984-06-05 | Kabushiki Kaisha Komatsu Seisakusho | Gripping device with interdigitating, articulate fingers |
| CN2589161Y (en) * | 2002-11-29 | 2003-12-03 | 李勋 | Mechanical arm |
| CN2928408Y (en) * | 2006-08-01 | 2007-08-01 | 钟安东 | Multifunction loading and unloading hydraulic robot |
| CN201503361U (en) * | 2009-10-22 | 2010-06-09 | 长沙矿冶研究院 | Submarine hydrothermal sulfide chimney sampling grab net |
| CN202572401U (en) * | 2012-04-15 | 2012-12-05 | 佳木斯大学 | Linkage-reinforcing and reverse self-locking type mechanical gripper |
| CN203655204U (en) * | 2013-11-29 | 2014-06-18 | 北京市三一重机有限公司 | Hole bottom boulder grabbing device and rotary drilling rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103696721A (en) | 2014-04-02 |
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