CN203603801U - Double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of underground drill rig - Google Patents

Double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of underground drill rig Download PDF

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Publication number
CN203603801U
CN203603801U CN201320848709.8U CN201320848709U CN203603801U CN 203603801 U CN203603801 U CN 203603801U CN 201320848709 U CN201320848709 U CN 201320848709U CN 203603801 U CN203603801 U CN 203603801U
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China
Prior art keywords
clamp
tong arm
support stand
rod
articulated
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CN201320848709.8U
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Inventor
刘庆修
张建明
刘祺
凡东
田宏亮
王龙鹏
翁寅生
王贺剑
赵良
鲁飞飞
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Xian Research Institute Co Ltd of CCTEG
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Xian Research Institute Co Ltd of CCTEG
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Abstract

A double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of an underground drill rig comprises a front clamping unit and a rear clamping unit which are fixed on a drilling machine feeding machine body side by side. The rear clamping unit comprises a rear base and a rear clamping assembly. The front clamping unit comprises a front base and a front clamping assembly. The rear clamping unit further comprises a clamping piece capable of enabling a drill rod to be pre-clamped conveniently. The rear clamping unit is further provided with a rotation driving assembly which can drive the drill rod to rotate after being clamped. The double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of the underground drill rig is simple in structure, small in size, lower in weight, low in cost, reliable in clamping and better in practicability.

Description

Be applicable to two holder structures of the automatic unloading drilling rod of underground drill rig
Technical field
The utility model relates to a kind of colliery and uses underground drill rig field, relates in particular to for being convenient to install additional or the two holder structures that are applicable to the automatic unloading drilling rod of underground drill rig of dismounting drilling rod.
Background technology
At present, the unloading drilling rod work in all-hydraulic tunnel drilling machine used in coal mines drilling process, has mainly coordinated with single clamper by all-hydraulic chuck.Common two clampers mainly contain the member compositions such as supporting seat, oil cylinder and slips.Two clampers are fixed in feeding fuselage side by side, and front clamp device is furnished with two symmetrical clamping cylinders, and slips is mounted by means of bolts on the piston rod of clamping cylinder, and two slips actions are to form a through hole passing through for drilling rod.Rear clamp holder clamping cylinder structure is identical with front clamp device, and difference is, rear clamper has the effect of unscrewing device concurrently, and a clamper rotary oil cylinder is installed on base.While tightening drilling rod, front and back clamp holder clamping cylinder piston rod stretches out, front clamp device slips clamping drilling rod, and rear clamper slips unclamps drilling rod to be tightened, and unit head drives drilling rod revolution, thereby tightens drilling rod.While unloading drilling rod, front clamp device slips clamps last drilling rod, rear clamp holder clamping drilling rod to be dismantled, and rear clamper anticlockwise cylinder piston rod is retracted, and right rotation oil cylinder piston stretches out, thereby unclamps drilling rod thread.As seen from the above analysis, not only volume is larger for this type of pair of clamper, Heavy Weight, and cost is high, and drilling rod needs human assistance up and down, complicated operation, labour intensity is large.
For this reason, designer of the present utility model is because above-mentioned defect, by concentrating on studies and designing, is comprehensively engaged in for a long time experience and the achievement of related industry for many years, research and design go out a kind of be applicable to the automatic unloading drilling rod of underground drill rig two holder structures, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of two holder structures that are applicable to the automatic unloading drilling rod of underground drill rig, and it is simple in structure, small volume, and weight is lighter, with low cost, and clamping is reliable, and practicality is better.
For achieving the above object, the utility model discloses a kind of two holder structures that are applicable to the automatic unloading drilling rod of underground drill rig, be included on rig feeding fuselage fixing side by side front clamp unit and rear grip unit, it is characterized in that:
Described rear grip unit comprises a rear base and rear clamp assembly;
Described rear base is fixed on described feeding fuselage, on described rear base, be provided with front end panel and the rear bearing sheet of positioned opposite, described rear clamp assembly comprises a rear support stand, rear clamping cylinder and back link clamp assembly, described rear support stand is articulated with on described front end panel and rear bearing sheet, the cylinder body of described rear clamping cylinder is fixedly connected on described rear support stand, and the piston rod external part of rear clamping cylinder clamps by back link clamp assembly;
Wherein, described front clamp unit comprises a front base and front clamp assembly;
Described front base is fixed on described feeding fuselage, on described front base, be provided with two gripper shoes of positioned opposite, described front clamp assembly comprises a front support stand, front clamp oil cylinder and front rod clamp assembly, described front support stand is articulated with in described two gripper shoes, the cylinder body of described front clamp oil cylinder is fixedly connected on described front support stand, and the piston rod external part of described front clamp oil cylinder clamps by front rod clamp assembly.
Wherein, this rear grip unit also includes fastener, and described fastener comprises the front cutting ferrule and the rear cutting ferrule that are fixedly arranged on respectively on described front end panel and rear bearing sheet, and described rear support stand is articulated with on described front cutting ferrule and rear cutting ferrule with indirectly hinged.
Wherein, the centre position of described front cutting ferrule and rear cutting ferrule is provided with circular bayonet socket, and the left side of described front cutting ferrule and rear cutting ferrule is provided with the horizontal breach connecting to described bayonet socket.
Wherein, described rear grip unit is also provided with rotary drive assembly, and this rotary drive assembly comprises a rear clamper rotary oil cylinder, and described rear clamper rotary oil cylinder is hinged with the gripper shoe that is fixed in fuselage by rotating shaft; Described rear clamper rotary oil cylinder is articulated with on the cylinder body of rear clamping cylinder by another rotating shaft.
Wherein, described back link clamp assembly comprises two and goes up afterwards tong arm, two and descend afterwards tong arm, two to go up afterwards lower link after connecting rod and two, described rear upper tong arm is hinged by rear upper arm connecting axle and rear support stand, rear lower tong arm is articulated with rear support stand by rear underarm connecting axle, the piston rod external part of described rear clamping cylinder is articulated with one end of described rear upper connecting rod and one end of rear lower link by rear flexible connecting axle, and the other end of described rear upper connecting rod and the outer end of rear upper tong arm are hinged; The other end of described rear lower link and the outer end of rear lower tong arm are hinged; The inner of described rear upper tong arm is fixed with wear-resisting slips, and the inner of described rear lower tong arm is also fixed with wear-resisting slips.
Wherein, described front rod clamp assembly comprises and is positioned at two front upper tong arms, two front lower tong arms, two front upper connecting rods and two front lower links, described front upper tong arm is hinged by front upper arm connecting axle and front support stand, front lower tong arm is articulated with front support stand by front underarm connecting axle, the piston rod external part of described front clamp oil cylinder is articulated with one end of described front upper connecting rod and one end of front lower link by front stretching connecting axle, and the other end of described front upper connecting rod and the outer end of front upper tong arm are hinged by axle; The other end of described front lower link and the outer end of front lower tong arm are hinged; The inner of described front upper tong arm is fixed with wear-resisting slips, and the inner of described front lower tong arm is also fixed with wear-resisting slips.
Wherein, the inner edge of described wear-resisting slips is circular arc, and inner edge is provided with anti-skid structure, and described anti-skid structure can be the surface with multiple salient points, also can be the surface with many reedings, can also be for having the surface of crisscross non-skid thread.
By said structure, the utility model has been realized following beneficial effect:
1, adopt bar linkage structure to realize the clamping of slips to drilling rod, reduced the quantity of oil cylinder, not only reduced clamper cost, and reduced the volume weight of clamper.
2, when two clamper drill-rod clampings unclamp, adopt bar linkage structure, can effectively avoid slips disalignment problem.
3, adopt tong arm structure, can realize the upper and lower drilling rod in side, automatically added bar thereby can coordinate automatically upper and lower linkage to realize.Therefore adopt the two clampers of the utility model can automatically go up lever apparatus and coordinate the automatically upper and lower drilling rod of realization.Thereby reduction labor strength.
4, other pincer type double gripper, adopts bar linkage structure, guaranteeing large clamping force, under the prerequisite of reliable clamping, has reduced clamper volume and weight.
The utility model will be further described in detail by the following specific embodiments, and will be more apparent and obvious to understand further combined with the description of the drawings.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model is applicable to two holder structures of the automatic unloading drilling rod of underground drill rig.
Fig. 2 is the top view that the utility model is applicable to two holder structures of the automatic unloading drilling rod of underground drill rig.
Fig. 2 A is the enlarged diagram of circle part in Fig. 2.
Fig. 3 is the left view that the utility model is applicable to two holder structures of the automatic unloading drilling rod of underground drill rig.
Fig. 4 be in Fig. 1 A-A to sectional view.
Fig. 5 be in Fig. 2 B-B to sectional view.
Fig. 6 be in Fig. 2 C-C to sectional view.
Fig. 7 be in Fig. 2 D-D to schematic diagram.
The specific embodiment
Referring to Fig. 1-7, show the two holder structures that are applicable to the automatic unloading drilling rod of underground drill rig of the present utility model, this structure comprises on rig feeding fuselage 1 fixing side by side front clamp unit and rear grip unit.
Wherein, described rear grip unit comprises a rear base 3 and rear clamp assembly.
Described rear base 3 is fixed on described feeding fuselage 1, on described rear base 3, be provided with front end panel 3a and the rear bearing sheet 3b of positioned opposite, described rear clamp assembly comprises a rear support stand 6, rear clamping cylinder 11 and back link clamp assembly, described rear support stand is articulated with on described rear base 3, preferably, described rear support stand is articulated with on described front end panel 3a and rear bearing sheet 3b, the cylinder body of described rear clamping cylinder 11 is fixedly connected on described rear support stand 6, and the piston rod external part of rear clamping cylinder 11 clamps by back link clamp assembly.
Wherein, described back link clamp assembly comprises two and goes up afterwards tong arm 7, two and descend afterwards tong arm 9, two to go up afterwards lower link 14 after connecting rod 12 and two, described rear upper tong arm 7 is hinged with rear support stand 6 by rear upper arm connecting axle 8, rear lower tong arm 9 is articulated with rear support stand 6 by rear underarm connecting axle 10, the piston rod external part of described rear clamping cylinder 11 is articulated with one end of described rear upper connecting rod 12 and one end of rear lower link 14 by rear flexible connecting axle 13, and the outer end of the other end of described rear upper connecting rod 12 and rear upper tong arm 7 is hinged; The outer end of the other end of described rear lower link 14 and rear lower tong arm 9 is hinged; The inner of described rear upper tong arm 7 is fixed with wear-resisting slips 19, and the inner of described rear lower tong arm 9 is also fixed with wear-resisting slips 20.
The inner edge of described wear-resisting slips 19,20 is circular arc, and inner edge is provided with anti-skid structure, and described anti-skid structure can be the surface with multiple salient points, also can be the surface with many reedings, can also be for having the surface of crisscross non-skid thread.
For the ease of engaging drilling rod, this rear grip unit also can include fastener, described fastener comprises the front cutting ferrule 4 and the rear cutting ferrule 5 that are fixedly arranged on respectively on described front end panel 3a and rear bearing sheet 3b, described rear support stand 6 is articulated with on described front cutting ferrule 4 and rear cutting ferrule 5 to be indirectly articulated with described rear base 3, wherein, the centre position of described front cutting ferrule 4 and rear cutting ferrule 5 is provided with circular bayonet socket, the left side of described front cutting ferrule 4 and rear cutting ferrule 5 is provided with the horizontal breach connecting to described bayonet socket, thus, before clamping, drilling rod can be put in advance to front cutting ferrule 4 and rear cutting ferrule 5, to carry out pre-determined bit.
In order to drive drilling rod rotation after clamping, described rear grip unit is also provided with rotary drive assembly, and this rotary drive assembly comprises a rear clamper rotary oil cylinder 15, and described rear clamper rotary oil cylinder 15 is hinged with the gripper shoe 17 that is fixed in fuselage 1 by rotating shaft 18; Described rear clamper rotary oil cylinder 15 is articulated with on the cylinder body of rear clamping cylinder 11 by another rotating shaft 16.
Wherein, described front clamp unit comprises front base 2 and a front clamp assembly.
Described front base 2 is fixed on described feeding fuselage 1, on described front base 2, be provided with two gripper shoes of positioned opposite, described front clamp assembly comprises a front support stand, front clamp oil cylinder 26 and front rod clamp assembly, described front support stand is articulated with on described front base 2, preferably, described front support stand is articulated with in described two gripper shoes, the cylinder body of described front clamp oil cylinder 26 is fixedly connected on described front support stand, and the piston rod external part of described front clamp oil cylinder 26 clamps by front rod clamp assembly.
Described front rod clamp assembly comprises and is positioned at the front lower tong arm of two front upper tong arms 21, two 24, two front upper connecting rods 27 and two front lower links 23, wherein, described front upper tong arm 21 is hinged with front support stand by front upper arm connecting axle 22, front lower tong arm 27 is articulated with front support stand by front underarm connecting axle 25, the piston rod external part of described front clamp oil cylinder 26 is articulated with one end of described front upper connecting rod 27 and one end of front lower link 23 by front stretching connecting axle 28, and the outer end of the other end of described front upper connecting rod 27 and front upper tong arm 21 is hinged by axle 29; The outer end of the other end of described front lower link 23 and front lower tong arm 24 is hinged; The inner of described front upper tong arm 21 is fixed with wear-resisting slips 30, and the inner of described front lower tong arm 24 is also fixed with wear-resisting slips 31.
The inner edge of described wear-resisting slips 30,31 is circular arc, and inner edge is provided with anti-skid structure, and described anti-skid structure can be the surface with multiple salient points, also can be the surface with many reedings, can also be for having the surface of crisscross non-skid thread.
Below specific works process of the present utility model is introduced:
First, in the time tightening drilling rod, front clamp cylinder piston rod stretches out, and drives front clamp device to clamp around connecting axle and rotate up and down by connecting rod, thereby slips clamps drilling rod.Owing to having adopted linkage, the slips that has guaranteed to be fixed on when pincers rotate up and down pincers is up and down coaxial all the time, thereby has avoided slips disalignment and damage drilling tool.Rear clamper can do auxiliary clamp.
Secondly, when loose unloading drilling rod, front and back clamping cylinder stretches out simultaneously, and do and drive front upper lower pincers to rotate around connecting axle by company, thus front and back clamp holder clamping drilling rod.Rear clamper rotary oil cylinder piston rod stretches out, and promotes rear support stand and rotates to an angle around front and back cutting ferrule, thereby dismantle drilling rod.
Advantage of the present utility model is as follows:
1, adopt bar linkage structure to realize the clamping of slips to drilling rod, reduced the quantity of oil cylinder, not only reduced clamper cost, and reduced the volume weight of clamper.
2, when two clamper drill-rod clampings unclamp, adopt bar linkage structure, can effectively avoid slips disalignment problem.
3, adopt tong arm structure, can realize the upper and lower drilling rod in side, thereby can coordinate automatic pipe-rod changing mechanism to realize from moving bar.Therefore adopt the two clampers of the utility model can automatically go up lever apparatus and coordinate the automatically upper and lower drilling rod of realization.Thereby reduction labor strength.
4, other pincer type double gripper, adopts bar linkage structure, guaranteeing large clamping force, under the prerequisite of reliable clamping, has reduced clamper volume and weight.
It is evident that above description and to record be only for example rather than in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model does not limit by accompanying drawing example and the optimal mode thought at present of conduct of describing in an embodiment to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment that falls into manual above and appended claim.

Claims (7)

1. be applicable to two holder structures for the automatic unloading drilling rod of underground drill rig, be included on rig feeding fuselage fixing side by side front clamp unit and rear grip unit, it is characterized in that:
Described rear grip unit comprises a rear base and rear clamp assembly;
Described rear base is fixed on described feeding fuselage, on described rear base, be provided with front end panel and the rear bearing sheet of positioned opposite, described rear clamp assembly comprises a rear support stand, rear clamping cylinder and back link clamp assembly, described rear support stand is articulated with on described front end panel and rear bearing sheet, the cylinder body of described rear clamping cylinder is fixedly connected on described rear support stand, and the piston rod external part of rear clamping cylinder clamps by back link clamp assembly;
Wherein, described front clamp unit comprises a front base and front clamp assembly;
Described front base is fixed on described feeding fuselage, on described front base, be provided with two gripper shoes of positioned opposite, described front clamp assembly comprises a front support stand, front clamp oil cylinder and front rod clamp assembly, described front support stand is articulated with in described two gripper shoes, the cylinder body of described front clamp oil cylinder is fixedly connected on described front support stand, and the piston rod external part of described front clamp oil cylinder clamps by front rod clamp assembly.
2. as claimed in claim 1 pair of holder structure, it is characterized in that, this rear grip unit also includes fastener, described fastener comprises the front cutting ferrule and the rear cutting ferrule that are fixedly arranged on respectively on described front end panel and rear bearing sheet, and described rear support stand is articulated with on described front cutting ferrule and rear cutting ferrule with indirectly hinged.
3. as claimed in claim 2 pair of holder structure, is characterized in that, the centre position of described front cutting ferrule and rear cutting ferrule is provided with circular bayonet socket, and the left side of described front cutting ferrule and rear cutting ferrule is provided with the horizontal breach connecting to described bayonet socket.
4. as claimed in claim 1 pair of holder structure, it is characterized in that, described rear grip unit is also provided with rotary drive assembly, and this rotary drive assembly comprises a rear clamper rotary oil cylinder, and described rear clamper rotary oil cylinder is hinged with the gripper shoe that is fixed in fuselage by rotating shaft; Described rear clamper rotary oil cylinder is articulated with on the cylinder body of rear clamping cylinder by another rotating shaft.
5. as the two holder structures as described in arbitrary in claim 1-4, it is characterized in that, described back link clamp assembly comprises two and goes up afterwards tong arm, two and descend afterwards tong arm, two to go up afterwards lower link after connecting rod and two, described rear upper tong arm is hinged by rear upper arm connecting axle and rear support stand, rear lower tong arm is articulated with rear support stand by rear underarm connecting axle, the piston rod external part of described rear clamping cylinder is articulated with one end of described rear upper connecting rod and one end of rear lower link by rear flexible connecting axle, and the other end of described rear upper connecting rod and the outer end of rear upper tong arm are hinged; The other end of described rear lower link and the outer end of rear lower tong arm are hinged; The inner of described rear upper tong arm is fixed with wear-resisting slips, and the inner of described rear lower tong arm is also fixed with wear-resisting slips.
6. as claimed in claim 5 pair of holder structure, it is characterized in that, described front rod clamp assembly comprises and is positioned at two front upper tong arms, two front lower tong arms, two front upper connecting rods and two front lower links, described front upper tong arm is hinged by front upper arm connecting axle and front support stand, front lower tong arm is articulated with front support stand by front underarm connecting axle, the piston rod external part of described front clamp oil cylinder is articulated with one end of described front upper connecting rod and one end of front lower link by front stretching connecting axle, and the other end of described front upper connecting rod and the outer end of front upper tong arm are hinged by axle; The other end of described front lower link and the outer end of front lower tong arm are hinged; The inner of described front upper tong arm is fixed with wear-resisting slips, and the inner of described front lower tong arm is also fixed with wear-resisting slips.
7. as claimed in claim 6 pair of holder structure, it is characterized in that, the inner edge of described wear-resisting slips is circular arc, and inner edge is provided with anti-skid structure, described anti-skid structure can be the surface with multiple salient points, also can be the surface with many reedings, can also be for thering is the surface of crisscross non-skid thread.
CN201320848709.8U 2013-12-19 2013-12-19 Double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of underground drill rig Active CN203603801U (en)

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Application Number Priority Date Filing Date Title
CN201320848709.8U CN203603801U (en) 2013-12-19 2013-12-19 Double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of underground drill rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320848709.8U CN203603801U (en) 2013-12-19 2013-12-19 Double-clamp-holder structure suitable for automatic drill rod screwing and unscrewing of underground drill rig

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CN203603801U true CN203603801U (en) 2014-05-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064932A (en) * 2015-06-30 2015-11-18 中煤科工集团西安研究院有限公司 Drilling rod loosening device for tunnel drilling machine
US10995566B2 (en) 2019-03-27 2021-05-04 Caterpillar Global Mining Equipment Llc Automatic drill pipe coupling detection control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064932A (en) * 2015-06-30 2015-11-18 中煤科工集团西安研究院有限公司 Drilling rod loosening device for tunnel drilling machine
CN105064932B (en) * 2015-06-30 2017-07-07 中煤科工集团西安研究院有限公司 Underground drill rig drilling rod releases device
US10995566B2 (en) 2019-03-27 2021-05-04 Caterpillar Global Mining Equipment Llc Automatic drill pipe coupling detection control system

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