CN104196469B - A kind of drill steel clamping mechanism - Google Patents
A kind of drill steel clamping mechanism Download PDFInfo
- Publication number
- CN104196469B CN104196469B CN201410427784.6A CN201410427784A CN104196469B CN 104196469 B CN104196469 B CN 104196469B CN 201410427784 A CN201410427784 A CN 201410427784A CN 104196469 B CN104196469 B CN 104196469B
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- rocking arm
- fixture block
- drill steel
- hole
- clamping mechanism
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Abstract
The present invention relates to a kind of drill steel clamping mechanism, comprise drill steel clip slot, clamping bar cover, first fixture block, second fixture block, first rocking arm, second rocking arm, support and hydraulic jack, the outer cover of drill steel clip slot has clamping bar cover, the outside of what the first fixture block and the second fixture block opposed mutually be arranged on clamping bar cover, first rocking arm is connected with the first fixture block and the second fixture block respectively with the second rocking arm, hydraulic jack is provided with between first rocking arm and the second rocking arm, and pass through flexible drive first rocking arm and the second rocking arm open and close movement of hydraulic jack, 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 installation shaft parallelism that ensure hydraulic jack, cost-saving, be convenient to maintenance.
Description
Technical field
The present invention relates to a kind of component of rig, be specifically related to a kind of drill steel clamping mechanism.
Background technology
Existing rock drilling machine needs to arrange a kind of drill steel clamping mechanism to be fixed drill steel when changing bar.And drill steel clamping mechanism conventional is at present all adopt two oil cylinder to control the folding of gripping mechanism, hydraulic jack one end is connected on drill steel clamping mechanism, the other end is connected on drill boom, be arranged in two different mechanisms because hydraulic jack connects two ends, hydraulic jack installation dimension and installation shaft parallelism is made to be difficult to ensure, and then causing hydraulic jack installation difficulty large, 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, skidding occurs, and serious falls bar, cannot complete smoothly to 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 be controlled 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, described first fixture block and the second fixture block symmetrical be arranged on described clamping bar cover both sides, and described clamping bar cover is clamped on described drill steel clip slot, described first fixture block and the second fixture block are equipped with projection, and described projection is provided with circular fixture block through hole, described first rocking arm and the symmetrical outside being separately positioned on described first fixture block and the second fixture block of the second rocking arm, described first rocking arm and the second rocking arm are string configuration, described string configuration is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot, one end of described string configuration 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 first rocking arm is provided with the first rocking arm bearing pin, the rectangular indentation place of described second rocking arm is provided with the second rocking arm bearing pin, described first rocking arm bearing pin is movably connected on one end of described hydraulic jack, described second rocking arm bearing pin is movably connected on the other end of described hydraulic jack, and pass through described first rocking arm of flexible drive and the second rocking arm open and close movement of hydraulic jack, the middle part of described first rocking arm and the second rocking arm is equipped with strip through-hole, on described first rocking arm and the second rocking arm and the both sides being 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 penetrated in described connecting hole and described fixture block through hole by bearing pin and respectively described first rocking arm is flexibly connected with described first fixture block, described second rocking arm is flexibly connected with described second fixture block, described first rocking arm also can rotate along the direction vertical with described bearing pin with described second rocking arm, described support is provided with described first rocking arm of restriction and the second rocking arm maximum folding angle rocking arm stopping means, and the both sides of described rocking arm stopping means are connected on the described through hole of the concave surface of described 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 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 hydraulic jack to be subjected to displacement because leaking, when ensureing to change bar, drill steel clamping is firm, firm.
Further, also comprise the steady bar cover for stable drill steel, described steady bar is set on the tail end of described drill steel clip slot, and is fixed on the bracket by lock bolt and locking nut.Steady bar cover specifically can adopt the material of wear-resistant material to make.
The beneficial effect of above-mentioned further scheme is adopted 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 that drill steel fixed by 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, reduction is produced and maintenance cost, and it is convenient that steady bar cover installation is simultaneously changed.
Further, also comprise stable block, the both sides of described stable block are respectively equipped with long pin shaft, two described long pin shaft run through described first rocking arm and described second rocking arm respectively, be equipped with bearing inside the position running through described first rocking arm and described second rocking arm in described long pin shaft, described long pin shaft is also provided with nut.
Adopt the beneficial effect of above-mentioned further scheme to be: to prevent from rocking to other directions, the first rocking arm can be stablized and the second rocking arm does open and close movement on the same face.
Further, described rocking arm stopping means is arranged on the bracket and position between described first rocking arm and two described concave surfaces of the second rocking arm, the both sides of described rocking arm stopping means are equipped with adjusting bolt, two described adjusting bolts are each passed through the through hole of the described concave surface of described first rocking arm and the second rocking arm, and described adjusting bolt is also provided with adjusting nut.
The beneficial effect of above-mentioned further scheme is adopted 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 junction plate composition that are connected 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, improve hydraulic jack application life.
Further, described first fixture block and the second fixture block are provided with multiple connecting bolt, and multiple described connecting bolt runs through described first fixture block and the second fixture block respectively in the lateral of described first fixture block and the second fixture block, and overlap with described clamping bar and be connected.
Accompanying drawing explanation
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 representated by each label is as follows:
1, drill steel clip slot, 2, clamping bar cover, the 3, first fixture block, the 4, second fixture block, 5, the first rocking arm, the 6, 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 block, 16, dust board, 17, junction plate, 18, connecting bolt, 151, long pin shaft, 161, bolt, 121, adjusting bolt, 122, adjusting nut, the 501, first rocking arm bearing pin, the 601, second rocking arm bearing pin.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, 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 the 2, first fixture block 3, second fixture block 4, 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 to overlap 2, described first fixture block 3 and the second fixture block 4 symmetrical be arranged on described clamping bar cover 2 both sides, and described clamping bar cover 2 is clamped on described drill steel clip slot 1, described first fixture block 3 and the second fixture block 4 are equipped with projection, and described projection is provided with circular fixture block through hole 10, described first Rocker arm 5 and the symmetrical outside being separately positioned on described first fixture block 3 and the second fixture block 4 of the second rocking arm 6, described first Rocker arm 5 and the second rocking arm 6 are string configuration, described string configuration is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot 1, one end of described string configuration 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 first Rocker arm 5 is provided with the first rocking arm bearing pin 501, the rectangular indentation place of described second rocking arm 6 is provided with the second rocking arm bearing pin 601, described first rocking arm bearing pin 501 is movably connected on one end of described hydraulic jack 8, described second rocking arm bearing pin 601 is movably connected on the other end of described hydraulic jack 8, and pass through described first Rocker arm 5 of flexible drive and second rocking arm 6 open and close movement of hydraulic jack 8, the middle part of described first Rocker arm 5 and the second rocking arm 6 is equipped with strip through-hole 9, on described first Rocker arm 5 and the second rocking arm 6 and the both sides being 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 penetrated in described connecting hole and described fixture block through hole 10 by bearing pin and respectively described first Rocker arm 5 is flexibly connected with described first fixture block 3, described second rocking arm 6 is flexibly connected with described second fixture block 4, described first Rocker arm 5 also can rotate along the direction vertical with described bearing pin with described second rocking arm 6, described support 7 is provided with described first Rocker arm 5 of restriction 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 the concave surface 11 of described 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 stable drill steel, described steady bar cover 14 is arranged on the tail end of described drill steel clip slot 1, and is fixed on the bracket 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 stable block 15, the both sides of described stable block 15 are respectively equipped with long pin shaft 151, two described long pin shaft 151 run through described first rocking arm (5) and described second rocking arm 6 respectively, be equipped with bearing inside the position running through described first Rocker arm 5 and described second rocking arm 6 in described long pin shaft 151, described long pin shaft 151 is also provided with nut.
As shown in Figure 1, described rocking arm stopping means 12 to be arranged on described support 7 and position between described first Rocker 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 each passed through the through hole of the described concave surface 11 of described first Rocker arm 5 and the second rocking arm 6, and described adjusting bolt is also provided with adjusting nut 122.
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 the dust board 16 that connected successively by bolt 161 and junction plate 17 forms, 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 first fixture block 3 and the second fixture block 4 are provided with multiple connecting bolt 18, multiple described connecting bolt 18 runs through described first fixture block 3 and the second fixture block 4 respectively in the lateral of described first fixture block 3 and the second fixture block 4, and overlaps 2 with described clamping bar and be connected.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within 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), described first fixture block (3) and the symmetrical both sides being arranged on described clamping bar cover (2) of the second fixture block (4), and described clamping bar cover (2) is clamped on described drill steel clip slot (1), described first fixture block (3) and the second fixture block (4) are equipped with projection, and described projection is provided with circular fixture block through hole (10), described first rocking arm (5) and the symmetrical outside being separately positioned on described first fixture block (3) and the second fixture block (4) of the second rocking arm (6), described first rocking arm (5) and the second rocking arm (6) are string configuration, described string configuration is vertically installed in the direction of the hollow circuit cylinder body axis of described drill steel clip slot (1), one end of described string configuration 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 first rocking arm (5) is provided with the first rocking arm bearing pin (501), the rectangular indentation place of described second rocking arm (6) is provided with the second rocking arm bearing pin (601), described first rocking arm bearing pin (501) is movably connected on one end of described hydraulic jack (8), described second rocking arm bearing pin (601) is movably connected on the other end of described hydraulic jack (8), and pass through described first rocking arm (5) of flexible drive and the second rocking arm (6) open and close movement of hydraulic jack (8), the middle part of described first rocking arm (5) and the second rocking arm (6) is equipped with strip through-hole (9), described first rocking arm (5) and the second rocking arm (6) are upper and the both sides being 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 penetrated in described connecting hole and described fixture block through hole (10) by bearing pin and respectively described first rocking arm (5) is flexibly connected with described first fixture block (3), described second rocking arm (6) is flexibly connected with described second fixture block (4), described first rocking arm (5) is with described second rocking arm (6) and can rotate along the direction vertical with described bearing pin, described support (7) is provided with described first rocking arm (5) of restriction 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 the concave surface (11) of described 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 stable drill steel, described steady bar cover (14) is arranged on the tail end of described drill steel clip slot (1), and is fixed on the bracket 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 block (15), the both sides of described stable block (15) are respectively equipped with long pin shaft (151), two described long pin shaft (151) run through described first rocking arm (5) and described second rocking arm (6) respectively, inside the position that described long pin shaft (151) runs through described first rocking arm (5) and described second rocking arm (6), be equipped with bearing, (151) are also provided with nut to described long pin shaft.
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) and the position be positioned between described 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 each passed through the through hole of the described concave surface (11) of described first rocking arm (5) and the second rocking arm (6), described adjusting bolt is 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. a kind of drill steel clamping mechanism according to any one of claim 1 to 6, 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 are connected 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. a kind of drill steel clamping mechanism according to any one of claim 1 to 6, it is characterized in that, described first fixture block (3) and the second fixture block (4) are provided with multiple connecting bolt (18), multiple described connecting bolt (18) runs through described first fixture block (3) and the second fixture block (4) respectively in the lateral of described first fixture block (3) and the second fixture block (4), and is connected with described clamping bar cover (2).
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CN201410427784.6A CN104196469B (en) | 2014-08-27 | 2014-08-27 | A kind of drill steel clamping mechanism |
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CN201410427784.6A CN104196469B (en) | 2014-08-27 | 2014-08-27 | A kind of drill steel clamping mechanism |
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CN104196469A CN104196469A (en) | 2014-12-10 |
CN104196469B true CN104196469B (en) | 2016-03-16 |
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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 |
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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. |