CN104196469A - Drill rod clamp mechanism - Google Patents
Drill rod clamp mechanism Download PDFInfo
- Publication number
- CN104196469A CN104196469A CN201410427784.6A CN201410427784A CN104196469A CN 104196469 A CN104196469 A CN 104196469A CN 201410427784 A CN201410427784 A CN 201410427784A CN 104196469 A CN104196469 A CN 104196469A
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- China
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- rocking arm
- fixture block
- drill steel
- hole
- clamping mechanism
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- Drilling And Boring (AREA)
Abstract
The invention relates to a drill rod clamp mechanism which comprises a drill rod clamping groove, a clamping rod sleeve, a first clamping block, a second clamping block, a first rocking arm, a second rocking arm, a support and a hydraulic oil cylinder. The clamping rod sleeve is arranged on the outer portion of the drill rod clamp groove in a sleeved mode. The first clamping block and the second clamping block are arranged on the outer side of the clamping rod sleeve opposite to each other. The first rocking arm and the second rocking arm are connected with the first clamping block and the second clamping block respectively. The hydraulic oil cylinder is arranged between the first rocking arm and the second rocking arm. Opening-closing moving of the first rocking arm and the second rocking arm is driven by stretching of the hydraulic oil cylinder. According to the drill rod clamp mechanism, opening and closing of the drill rod clamp mechanism can be controlled only through the hydraulic oil cylinder, the manufacturing difficulty of the drill rod clamp mechanism is lowered, the mounting size and the mounting shaft parallelism of the hydraulic oil cylinder can be well guaranteed, cost is saved, and maintaining is convenient.
Description
Technical field
The present invention relates to a kind of member of rig, be specifically related to a kind of drill steel clamping mechanism.
Background technology
Existing rock drilling machine need to arrange a kind of drill steel clamping mechanism drill steel is fixed in the time changing bar.And conventional drill steel clamping mechanism is all the folding that adopts two oil cylinder control gripping mechanisms at present, hydraulic jack one end is connected on drill steel clamping mechanism, the other end is connected on drill boom, because connecting two ends, hydraulic jack is arranged in two different mechanisms, make hydraulic jack installation dimension and installation shaft parallelism be difficult to ensure, and then cause hydraulic jack installation difficulty large, and drill steel clamping mechanism manufacture difficulty is large, and drill steel clamping is unstable, precision is low; Simultaneously hydraulic jack cause because of leaking drill steel clamp not strongly by or insufficient clamping force, there is skidding, serious fall bar, cannot complete smoothly and change bar and operate; On the other hand, hydraulic jack cost is higher, and the drill steel clamping mechanism cost of Double-hydraulic-cylinder is higher.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of drill steel clamping mechanism, just can control the folding of clamping mechanism by a hydraulic jack, cost-saving, is convenient to maintenance.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of drill steel clamping mechanism, comprises drill steel clip slot, clamping bar cover, the first fixture block, the second fixture block, the first rocking arm, the second rocking arm, support and hydraulic jack, described drill steel clip slot is the hollow circuit cylinder bodily form, the outer cover of described drill steel clip slot has described clamping bar cover, what described the first fixture block and the second fixture block were symmetrical is arranged on the both sides that described clamping bar overlaps, and described clamping bar cover is clamped on described drill steel clip slot, on described the first fixture block and the second fixture block, be equipped with projection, described projection is provided with circular fixture block through hole, the outside of what described the first rocking arm and the second rocking arm were symmetrical be separately positioned on described the first fixture block and the second fixture block, described the first rocking arm and the second rocking arm are strip structure, described strip structure is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot, one end of described strip structure is concave surface, the other end is provided with rectangular indentation, described concave surface is provided with through hole, the rectangular indentation place of described the first rocking arm is provided with the first rocking arm bearing pin, the rectangular indentation place of described the second rocking arm is provided with the second rocking arm bearing pin, described the first rocking arm bearing pin is movably connected on one end of described hydraulic jack, described the second rocking arm bearing pin is movably connected on the other end of described hydraulic jack, and by described the first rocking arm of flexible drive and the second rocking arm open and close movement of hydraulic jack, the middle part of described the first rocking arm and the second rocking arm is equipped with strip through-hole, on described the first rocking arm and the second rocking arm and the both sides that are positioned at described strip through-hole are provided with circular connecting hole, the shape of described connecting hole and described fixture block through hole, size matches, described projection extend in described strip through-hole, described connecting hole and described fixture block through hole are overlapped, and penetrate in described connecting hole and described fixture block through hole and respectively described the first rocking arm is flexibly connected with described the first fixture block by bearing pin, described the second rocking arm is flexibly connected with described the second fixture block, described the first rocking arm also can rotate along the direction vertical with described bearing pin with described the second rocking arm, described support is provided with described the first rocking arm of restriction and the maximum folding angle of the second rocking arm rocking arm stopping means, and the both sides of described rocking arm stopping means are connected on the described through hole of concave surface of described the first rocking arm and the second rocking arm.
The invention has the beneficial effects as follows: this drill steel clamping mechanism only needs a hydraulic jack just can control the folding of this clamping mechanism, reduce the manufacture difficulty of drill steel clamping mechanism, be beneficial to the installation dimension and the installation shaft parallelism that ensure hydraulic jack, cost-saving, be convenient to maintenance.
On the basis of technique scheme, the present invention can also do following improvement.
Further, also comprise hydraulic lock, described hydraulic lock is arranged on described hydraulic jack.
Adopt the beneficial effect of above-mentioned further scheme to be: hydraulic lock prevents that hydraulic jack is subjected to displacement because leaking, while ensureing to change bar, drill steel clamping is firm, firm.
Further, also comprise the steady bar cover for stablizing drill steel, described steady bar is set on the tail end of described drill steel clip slot, and is fixed on described support by lock bolt and locking nut.Steady bar cover specifically can adopt the material of wear-resistant material to make.
Adopt the beneficial effect of above-mentioned further scheme to be: steady bar cover is fixed on support by lock bolt and locking nut, make this drill steel clamping mechanism both can play the effect of the fixing drill steel of clamping, can substitute again virtual calibrator for instrument transformer play stable drill steel, reduce drill steel turn round the effect of rocking, realize one-object-many-purposes, reduce and produce and maintenance cost, steady bar cover was installed and was changed conveniently the while.
Further, also comprise stable piece, the both sides of described stable piece are respectively equipped with the axle of having strong market potential, the axle of having strong market potential described in two runs through respectively described the first rocking arm and described the second rocking arm, the position inner side of running through described the first rocking arm and described the second rocking arm at the described axle of having strong market potential is equipped with bearing, described in have strong market potential on axle and be also provided with nut.
Adopt the beneficial effect of above-mentioned further scheme to be: to prevent from rocking to other directions, can stablize the first rocking arm and the second rocking arm is done open and close movement on the same face.
Further, described rocking arm stopping means is arranged on the position on described support and between two described concave surfaces of described the first rocking arm and the second rocking arm, the both sides of described rocking arm stopping means are equipped with adjusting bolt, two described adjusting bolts are passed respectively the through hole of the described concave surface of described the first rocking arm and the second rocking arm, are also provided with adjusting nut in described adjusting bolt.
Adopt the beneficial effect of above-mentioned further scheme to be: to regulate maximum folding angle between the first rocking arm and the second rocking arm by adjusting nut.
Further, the inner side of described fixture block through hole is provided with bearing.
Further, also comprise dust-break parts, described dust-break parts comprise the dust board and the junction plate composition that connect successively by bolt, and described dust-break parts are arranged on the outside of whole drill steel clamping mechanism and are fixedly connected with described support.
Adopt the beneficial effect of above-mentioned further scheme to be: dust board can effectively protect sandstone and dust, protection hydraulic jack, improves hydraulic jack application life.
Further, described the first fixture block and the second fixture block are provided with multiple connecting bolts, and multiple described connecting bolts run through described the first fixture block and the second fixture block respectively in the lateral of described the first fixture block and the second fixture block, and are connected with described clamping bar cover.
Brief description of the drawings
Fig. 1 is the integrally-built front view of the present invention;
Fig. 2 is the sectional view along A-A line in Fig. 1;
Fig. 3 is the integrally-built top view of the present invention.
In accompanying drawing, the list of parts of each label representative is as follows:
1, drill steel clip slot, 2, clamping bar cover, 3, the first fixture block, 4, the second fixture block, 5, the first rocking arm, 6, the second rocking arm, 7, support, 8, hydraulic jack, 9, strip through-hole, 10, fixture block through hole, 11, concave surface, 12, rocking arm stopping means, 13, hydraulic lock, 14, steady bar cover, 15, stablize piece, 16, dust board, 17, junction plate, 18, connecting bolt, 151, the axle of having strong market potential, 161, bolt, 121, adjusting bolt, 122, adjusting nut, 501, the first rocking arm bearing pin, 601, the second rocking arm bearing pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of drill steel clamping mechanism, comprises drill steel clip slot 1, clamping bar cover 2, the first fixture block 3, the second fixture block 4, the first Rocker arm 5, the second rocking arm 6, support 7 and hydraulic jack 8, described drill steel clip slot 1 is the hollow circuit cylinder bodily form, the outer cover of described drill steel clip slot 1 has described clamping bar cover 2, the both sides of what described the first fixture block 3 and the second fixture block 4 were symmetrical be arranged on described clamping bar cover 2, and described clamping bar cover 2 is clamped on described drill steel clip slot 1, on described the first fixture block 3 and the second fixture block 4, be equipped with projection, described projection is provided with circular fixture block through hole 10, the outside of what described the first Rocker arm 5 and the second rocking arm 6 were symmetrical be separately positioned on described the first fixture block 3 and the second fixture block 4, described the first Rocker arm 5 and the second rocking arm 6 are strip structure, described strip structure is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot 1, one end of described strip structure is concave surface 11, the other end is provided with rectangular indentation, described concave surface 11 is provided with through hole, the rectangular indentation place of described the first Rocker arm 5 is provided with the first rocking arm bearing pin 501, the rectangular indentation place of described the second rocking arm 6 is provided with the second rocking arm bearing pin 601, described the first rocking arm bearing pin 501 is movably connected on one end of described hydraulic jack 8, described the second rocking arm bearing pin 601 is movably connected on the other end of described hydraulic jack 8, and by described the first Rocker arm 5 of flexible drive and second rocking arm 6 open and close movements of hydraulic jack 8, the middle part of described the first Rocker arm 5 and the second rocking arm 6 is equipped with strip through-hole 9, on described the first Rocker arm 5 and the second rocking arm 6 and both sides that are positioned at described strip through-hole 9 are provided with circular connecting hole, the shape of described connecting hole and described fixture block through hole 10, size matches, described projection extend in described strip through-hole 9, described connecting hole and described fixture block through hole 10 are overlapped, and penetrate described connecting hole and described fixture block through hole 10 is interior respectively described the first Rocker arm 5 is flexibly connected with described the first fixture block 3 by bearing pin, described the second rocking arm 6 is flexibly connected with described the second fixture block 4, described the first Rocker arm 5 also can rotate along the direction vertical with described bearing pin with described the second rocking arm 6, described support 7 is provided with described the first Rocker arm 5 of restriction and the maximum folding angle of the second rocking arm 6 rocking arm stopping means 12, and the both sides of described rocking arm stopping means 12 are connected on the described through hole of concave surface 11 of described the first Rocker arm 5 and the second rocking arm 6.
As shown in Figure 1, also comprise hydraulic lock 13, described hydraulic lock 13 is arranged on described hydraulic jack 8.
As shown in Figure 2, also comprise the steady bar cover 14 for stablizing drill steel, described steady bar cover 14 is arranged on the tail end of described drill steel clip slot 1, and is fixed on described support by lock bolt 141 and locking nut 142.Steady bar cover specifically can adopt the material of wear-resistant material to make.
As shown in Figure 2, also comprise and stablize piece 15, the both sides of described stable piece 15 are respectively equipped with the axle 151 of having strong market potential, the axle 151 of having strong market potential described in two runs through respectively described the first rocking arm (5) and described the second rocking arm 6, the position inner side of running through described the first Rocker arm 5 and described the second rocking arm 6 at the described axle 151 of having strong market potential is equipped with bearing, described in have strong market potential on axle 151 and be also provided with nut.
As shown in Figure 1, described rocking arm stopping means 12 is arranged on the position on described support 7 and between two described concave surfaces 11 of described the first Rocker arm 5 and the second rocking arm 6, the both sides of described rocking arm stopping means 12 are equipped with adjusting bolt 121, two described adjusting bolts 121 are passed respectively the through hole of the described concave surface 11 of described the first Rocker arm 5 and the second rocking arm 6, are also provided with adjusting nut 122 in described adjusting bolt.
The inner side of described fixture block through hole 10 is provided with bearing.
As shown in Figure 3, also comprise dust-break parts, described dust-break parts comprise that the dust board 16 and the junction plate 17 that connect successively by bolt 161 form, and described dust-break parts are arranged on the outside of whole drill steel clamping mechanism and are fixedly connected with described support 7.
As shown in Figure 2, described the first fixture block 3 and the second fixture block 4 are provided with multiple connecting bolts 18, multiple described connecting bolts 18 run through described the first fixture block 3 and the second fixture block 4 respectively in the lateral of described the first fixture block 3 and the second fixture block 4, and are connected with described clamping bar cover 2.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a drill steel clamping mechanism, it is characterized in that, comprise drill steel clip slot (1), clamping bar cover (2), the first fixture block (3), the second fixture block (4), the first rocking arm (5), the second rocking arm (6), support (7) and hydraulic jack (8), described drill steel clip slot (1) is the hollow circuit cylinder bodily form, the outer cover of described drill steel clip slot (1) has described clamping bar cover (2), the both sides that are arranged on described clamping bar cover (2) that described the first fixture block (3) and the second fixture block (4) are symmetrical, and described clamping bar cover (2) is clamped on described drill steel clip slot (1), on described the first fixture block (3) and the second fixture block (4), be equipped with projection, described projection is provided with circular fixture block through hole (10), the outside of what described the first rocking arm (5) and the second rocking arm (6) were symmetrical be separately positioned on described the first fixture block (3) and the second fixture block (4), described the first rocking arm (5) and the second rocking arm (6) are strip structure, described strip structure is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot (1), one end of described strip structure is concave surface (11), the other end is provided with rectangular indentation, described concave surface (11) is provided with through hole, the rectangular indentation place of described the first rocking arm (5) is provided with the first rocking arm bearing pin (501), the rectangular indentation place of described the second rocking arm (6) is provided with the second rocking arm bearing pin (601), described the first rocking arm bearing pin (501) is movably connected on one end of described hydraulic jack (8), described the second rocking arm bearing pin (601) is movably connected on the other end of described hydraulic jack (8), and by described the first rocking arm of flexible drive (5) and the second rocking arm (6) open and close movement of hydraulic jack (8), the middle part of described the first rocking arm (5) and the second rocking arm (6) is equipped with strip through-hole (9), described the first rocking arm (5) and the second rocking arm (6) both sides upper and that be positioned at described strip through-hole (9) are provided with circular connecting hole, the shape of described connecting hole and described fixture block through hole (10), size matches, described projection extend in described strip through-hole (9), described connecting hole and described fixture block through hole (10) are overlapped, and penetrate in described connecting hole and described fixture block through hole (10) and respectively described the first rocking arm (5) is flexibly connected with described the first fixture block (3) by bearing pin, described the second rocking arm (6) is flexibly connected with described the second fixture block (4), described the first rocking arm (5) also can rotate along the direction vertical with described bearing pin with described the second rocking arm (6), described support (7) is provided with described the first rocking arm of restriction (5) and the second rocking arm (6) maximum folding angle rocking arm stopping means (12), and the both sides of described rocking arm stopping means (12) are connected on the described through hole of concave surface (11) of described the first rocking arm (5) and the second rocking arm (6).
2. a kind of drill steel clamping mechanism according to claim 1, is characterized in that, also comprises hydraulic lock (13), and described hydraulic lock (13) is arranged on described hydraulic jack (8).
3. a kind of drill steel clamping mechanism according to claim 1, it is characterized in that, also comprise the steady bar cover (14) for stablizing drill steel, described steady bar cover (14) is arranged on the tail end of described drill steel clip slot (1), and is fixed on described support by lock bolt (141) and locking nut (142).
4. a kind of drill steel clamping mechanism according to claim 1, it is characterized in that, also comprise stable piece (15), the both sides of described stable piece (15) are respectively equipped with the axle of having strong market potential (151), the axle (151) of having strong market potential described in two runs through respectively described the first rocking arm (5) and described the second rocking arm (6), the position inner side of running through described the first rocking arm (5) and described the second rocking arm (6) at the described axle of having strong market potential (151) is equipped with bearing, described in have strong market potential on axle (151) and be also provided with nut.
5. a kind of drill steel clamping mechanism according to claim 1, it is characterized in that, described rocking arm stopping means (12) is arranged on described support (7) above and is positioned at the position between described the first rocking arm (5) and two described concave surfaces (11) of the second rocking arm (6), the both sides of described rocking arm stopping means (12) are equipped with adjusting bolt (121), two described adjusting bolts (121) are passed respectively the through hole of the described concave surface (11) of described the first rocking arm (5) and the second rocking arm (6), in described adjusting bolt, be also provided with adjusting nut (122).
6. a kind of drill steel clamping mechanism according to claim 1, is characterized in that, the inner side of described fixture block through hole (10) is provided with bearing.
7. according to a kind of drill steel clamping mechanism described in claim 1 to 6 any one, it is characterized in that, also comprise dust-break parts, described dust-break parts comprise the dust board (16) and junction plate (17) composition that connect successively by bolt (161), and described dust-break parts are arranged on the outside of whole drill steel clamping mechanism and are fixedly connected with described support (7).
8. according to a kind of drill steel clamping mechanism described in claim 1 to 6 any one, it is characterized in that, described the first fixture block (3) and the second fixture block (4) are provided with multiple connecting bolts (18), multiple described connecting bolts (18) run through described the first fixture block (3) and the second fixture block (4) respectively in the lateral of described the first fixture block (3) and the second fixture block (4), and are connected with described clamping bar cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427784.6A CN104196469B (en) | 2014-08-27 | 2014-08-27 | A kind of drill steel clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427784.6A CN104196469B (en) | 2014-08-27 | 2014-08-27 | A kind of drill steel clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196469A true CN104196469A (en) | 2014-12-10 |
| CN104196469B CN104196469B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410427784.6A Active CN104196469B (en) | 2014-08-27 | 2014-08-27 | A kind of drill steel clamping mechanism |
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| CN (1) | CN104196469B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4015300C1 (en) * | 1990-05-12 | 1992-01-30 | Prakla-Seismos Ag, 3000 Hannover, De | Drill stem clamping system - incorporates hydraulic actuator and flange seated in roller bearing |
| CN201314211Y (en) * | 2008-12-25 | 2009-09-23 | 石家庄煤矿机械有限责任公司 | Single-cylinder power-assisted clamp holder |
| CN102828704A (en) * | 2012-09-25 | 2012-12-19 | 无锡金帆钻凿设备股份有限公司 | Clamping device for mechanical loading and unloading drill rod on drilling device |
| CN202882803U (en) * | 2012-09-29 | 2013-04-17 | 宝鸡石油机械有限责任公司 | Spinning wrench for iron roughneck |
| US8573312B2 (en) * | 2010-12-23 | 2013-11-05 | Tesco Corporation | Apparatus for applying an axial force to well pipe slips |
| CN204002641U (en) * | 2014-08-27 | 2014-12-10 | 桂林市华力重工机械有限责任公司 | A kind of drill steel clamping mechanism |
-
2014
- 2014-08-27 CN CN201410427784.6A patent/CN104196469B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4015300C1 (en) * | 1990-05-12 | 1992-01-30 | Prakla-Seismos Ag, 3000 Hannover, De | Drill stem clamping system - incorporates hydraulic actuator and flange seated in roller bearing |
| CN201314211Y (en) * | 2008-12-25 | 2009-09-23 | 石家庄煤矿机械有限责任公司 | Single-cylinder power-assisted clamp holder |
| US8573312B2 (en) * | 2010-12-23 | 2013-11-05 | Tesco Corporation | Apparatus for applying an axial force to well pipe slips |
| CN102828704A (en) * | 2012-09-25 | 2012-12-19 | 无锡金帆钻凿设备股份有限公司 | Clamping device for mechanical loading and unloading drill rod on drilling device |
| CN202882803U (en) * | 2012-09-29 | 2013-04-17 | 宝鸡石油机械有限责任公司 | Spinning wrench for iron roughneck |
| CN204002641U (en) * | 2014-08-27 | 2014-12-10 | 桂林市华力重工机械有限责任公司 | A kind of drill steel clamping mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196469B (en) | 2016-03-16 |
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Effective date of registration: 20210826 Address after: 545006 Workshop No. 9, Yangxu Road, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Huali Heavy Industry Co.,Ltd. Address before: 541805 No. 1, turong Avenue, Suqiao Industrial Park, Guilin, Guangxi Zhuang Autonomous Region Patentee before: GUILIN HUALI HEAVY INDUSTRIES Co.,Ltd. |
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