CN212201947U

CN212201947U - Mine drilling machine drill rod clamping device

Info

Publication number: CN212201947U
Application number: CN202020819040.XU
Authority: CN
Inventors: 张涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-22
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a mine drilling machine drilling rod clamping device, including the rod cover, the even fixed mounting in inboard of desilt cover has three inserted bar, and the three jack that corresponds with the inserted bar is evenly seted up to one side of desilt board, and the equal fixed mounting in inboard of every cavity body has first reset spring, and first reset spring's one end fixedly connected with movable block, the equal fixedly connected with of opposite face of two movable blocks run through the cavity body and the gag lever post of desilt cover. The utility model provides a mine drilling machine drilling rod clamping device, through inserted bar and jack connection between mud removing plate and mud removing cover, and utilize the gag lever post, carry on spacingly under first reset spring's effect, through compressing first reset spring, make the gag lever post break away from the restriction to the mud removing plate position, and remove the mud removing plate left, make mud removing plate and inserted bar separation, thereby it is comparatively fixed to have solved the installation of mud removing plate, in case take place wearing and tearing, inconvenient dismouting leads to changing troublesome problem.

Description

Mine drilling machine drill rod clamping device

Technical Field

The utility model relates to a drilling rod clamping device technical field especially relates to a mine drilling machine drilling rod clamping device.

Background

A drilling machine is needed in mine work, but in the drilling process, after the drilling machine drills a section of drill rod, the power head needs to be lifted, and a new drill rod is connected to continue drilling. When the required depth is reached, the drill rod needs to be completely lifted out. Because the drill rod is connected with the power head through the threads, when the drill rod is lifted, the power head tilts upwards, the weight of the drill rod is completely acted on the main shaft, the main shaft is greatly abraded, the main shaft is a key component of the power head, the main shaft is expensive and is not easy to replace, and the cost is increased.

Chinese patent net application CN201710302346.0 discloses "a mine drilling machine drilling rod clamping device", rod cover middle part welding has the safety cover, the inside drilling rod that passes of rod cover, the one end welding of rod cover has a plurality of connecting rods, the one end outside welding that the rod cover was kept away from to the connecting rod has the swivel nut, the outer surface symmetry that the rod cover is close to connecting rod one side installs the pneumatic cylinder, the hydraulic cylinder is close to the one end of protective sheath and installs the hydraulic stem, the driver is installed to one side that the pneumatic cylinder is close to the connecting rod, the one end port welding that the rod cover was kept away from to the connecting rod has the desilt cover, the connection position that hydraulic stem one end was kept away from to the connecting piece is connected in one side of slider, the opposite side of slider. In the drill rod clamping device of the mine drilling machine, the hydraulic cylinder drives the hydraulic rod to move, and then the wedge block moves downwards or upwards to clamp or release the drill rod. However, the mud removing plate is relatively fixed to be installed, and once the mud removing plate is worn, the mud removing plate is inconvenient to disassemble and assemble, so that the mud removing plate is troublesome to replace; and the mud removing cover is inconvenient to disassemble and difficult to clean the inner side of the mud removing cover. Therefore, it is necessary to provide a clamping device for a drill rod of a mine drilling machine to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drill rod clamping device of a mine drilling machine, which solves the problems that the installation of a mud removing plate is relatively fixed, and once the mud removing plate is worn, the assembly and disassembly are inconvenient, so that the replacement is troublesome; and the mud removing cover is inconvenient to disassemble and difficult to clean the inner side of the mud removing cover.

In order to solve the technical problem, the utility model provides a clamping device for a drill rod of a mine drilling machine, which comprises a rod sleeve, wherein one end of the rod sleeve is symmetrically and fixedly connected with connecting frames, one end of each connecting frame is fixedly connected with a limiting wheel, the outer side of the rod sleeve is symmetrically and fixedly provided with a driver and a hydraulic telescopic rod, the output ends of the two hydraulic telescopic rods are fixedly connected with a protective cover together, the inner side of the protective cover is symmetrically and fixedly provided with fixed blocks, the outer side of each fixed block is rotatably connected with a support plate, a tension spring is fixedly connected between the support plate and the protective cover, the outer side of the support plate is fixedly provided with a wedge block, the outer side of the protective cover is provided with a connecting groove, the inner part of the connecting groove is provided with a connecting ring, one side of the connecting ring, just the inside of desilting cover is provided with the desilting board, three jack that corresponds with the inserted bar is evenly seted up to one side of desilting board, the outside symmetry fixed mounting of desilting cover has the cavity body, every the equal fixed mounting in inboard of the cavity body has a reset spring, a reset spring's one end fixedly connected with movable block, two the equal fixedly connected with of opposite face of movable block runs through the cavity body and the gag lever post of desilting cover, the gag lever post is located the left side of desilting board.

Preferably, the driver is located on the right side of the hydraulic telescopic rod, and the driver is electrically connected with the hydraulic telescopic rod.

Preferably, four connecting rods are uniformly and fixedly mounted at the other end of the rod sleeve, and a threaded sleeve is fixedly mounted on the outer side of each connecting rod.

Preferably, the mud removing cover is horn-shaped structure, just the mud removing cover is the integrated into one piece structure with the go-between.

Preferably, the spacing groove has been seted up to the outside symmetry of go-between, the outside symmetry fixed mounting of safety cover has articulated seat, every the inboard of articulated seat all rotates and is connected with the movable rod, fixedly connected with second reset spring between movable rod and the safety cover, just the outside fixed mounting of movable rod has the stopper that matches with the spacing groove.

Preferably, the movable rod is of a V-shaped structure, and the movable rod and the limiting block are of an integrally formed structure.

Compared with the prior art, the utility model provides a pair of mine rig drilling rod clamping device has following beneficial effect:

the utility model provides a mine drilling machine drilling rod clamping device, through inserted bar and jack connection between mud removing plate and mud removing cover, and utilize the gag lever post, carry on spacingly under first reset spring's effect, through compressing first reset spring, make the gag lever post break away from the restriction to the mud removing plate position, and remove the mud removing plate left, make mud removing plate and inserted bar separation, thereby it is comparatively fixed to have solved the installation of mud removing plate, in case take place wearing and tearing, inconvenient dismouting leads to changing troublesome problem.

The utility model provides a mine drilling machine drilling rod clamping device passes through go-between and spread groove block between mud removing cover and safety cover to under second reset spring's spring action, utilize the movable rod to make stopper and spacing groove card solid, thereby solved the inconvenient dismantlement of mud removing cover, be difficult to the inboard clear problem of mud removing cover.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a clamping device for a drill rod of a mine drilling machine according to the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a partial enlarged view of part B of the present invention.

Reference numbers in the figures: 1. a mud removal cover; 2. a fixed block; 3. a protective cover; 4. a connecting ring; 5. a connecting rod; 6. a threaded sleeve; 7. a driver; 8. a rod sleeve; 9. a hydraulic telescopic rod; 10. a limiting wheel; 11. a wedge block; 12. a support plate; 13. a tension spring; 14. a mud removing plate; 15. a movable block; 16. a limiting rod; 17. a jack; 18. inserting a rod; 19. a first return spring; 20. connecting grooves; 21. a limiting groove; 22. a second return spring; 23. a hinged seat; 24. a movable rod; 25. a limiting block; 26. a cavity body; 27. and a connecting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a clamping device for a drill rod of a mine drilling machine according to the present invention; FIG. 2 is an enlarged view of part A of the present invention; fig. 3 is a partial enlarged view of part B of the present invention. A mine drilling machine drill rod clamping device comprises a rod sleeve 8, one end of the rod sleeve 8 is symmetrically and fixedly connected with connecting frames 27, one end of each connecting frame 27 is fixedly connected with a limiting wheel 10, the outer side of the rod sleeve 8 is symmetrically and fixedly provided with a driver 7 and hydraulic telescopic rods 9, the output ends of the two hydraulic telescopic rods 9 are jointly and fixedly connected with a protective cover 3, the inner side of the protective cover 3 is symmetrically and fixedly provided with fixed blocks 2, the outer side of each fixed block 2 is rotatably connected with a support plate 12, a tension spring 13 is fixedly connected between the support plate 12 and the protective cover 3, the outer side of the support plate 12 is fixedly provided with a wedge block 11, the outer side of the protective cover 3 is provided with a connecting groove 20, the inside of the connecting groove 20 is provided with a connecting ring 4, one side of the connecting ring 4 is fixedly provided with a mud removing cover 1, the inside of, three jack 17 that corresponds with inserted bar 18 is evenly seted up to one side of desliming board 14, the outside symmetry fixed mounting that desliming covers 1 has the cavity body 26, the equal fixed mounting in inboard of every cavity body 26 has first reset spring 19, the one end fixedly connected with movable block 15 of first reset spring 19, the equal fixedly connected with of opposite face of two movable blocks 15 runs through the cavity body 26 and the gag lever post 16 that deslims covers 1, gag lever post 16 is located the left side of desliming board 14.

Further, the driver 7 is located on the right side of the hydraulic telescopic rod 9, and the driver 7 is electrically connected with the hydraulic telescopic rod 9.

Furthermore, four connecting rods 5 are uniformly and fixedly mounted at the other end of the rod sleeve 8, and a threaded sleeve 6 is fixedly mounted on the outer side of each connecting rod 5.

Further, the mud removing cover 1 is of a horn-shaped structure, and the mud removing cover 1 and the connecting ring 4 are of an integrally formed structure.

Further, spacing groove 21 has been seted up to go-between 4's outside symmetry, and the outside symmetry fixed mounting of safety cover 3 has articulated seat 23, and the inboard of every articulated seat 23 all rotates and is connected with movable rod 24, fixedly connected with second reset spring 22 between movable rod 24 and the safety cover 3, and the outside fixed mounting of movable rod 24 has the stopper 25 that matches with spacing groove 21.

Further, the movable rod 24 is a V-shaped structure, and the movable rod 24 and the limiting block 25 are integrally formed.

The utility model provides a pair of mine rig drilling rod clamping device's theory of operation as follows:

when the hydraulic telescopic rod is controlled to be shortened, the protective cover 3 moves rightwards, the limiting wheel 10 rolls on the surface of the supporting plate 12, the wedge block 11 clamps the drill rod, and the supporting plate 12 stretches the tension spring 13 at the moment. When the mud removing plate 14 needs to be replaced, the mud removing plate 14 is detached, the movable block 15 connected with the limiting rod 16 compresses the first return spring 19 by pressing the limiting rod 16, the limiting rod 16 is separated from the limit on the position of the mud removing plate 14, the mud removing plate 14 is moved leftwards, the mud removing plate 14 is separated from the inserted rod 18, and the mud removing plate 14 can be detached. When the mud removing cover 1 needs to be detached, the movable rod 24 is pressed, the second return spring 22 is compressed, the limiting block 25 connected with the movable rod 24 is separated from the limiting groove 21 formed in the connecting ring 4, and the mud removing cover 1 can be detached.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a mine drilling machine drilling rod clamping device, includes rod cover (8), its characterized in that: the connecting frame (27) is fixedly connected to one end of the rod sleeve (8) in a symmetrical mode, one end of each connecting frame (27) is fixedly connected with a limiting wheel (10), a driver (7) and a hydraulic telescopic rod (9) are fixedly installed to the outer side of the rod sleeve (8), two output ends of the hydraulic telescopic rods (9) are fixedly connected with a protective cover (3) together, fixed blocks (2) are fixedly installed to the inner side of the protective cover (3) in a symmetrical mode, a supporting plate (12) is rotatably connected to the outer side of each fixed block (2), a tension spring (13) is fixedly connected between each supporting plate (12) and the protective cover (3), wedge blocks (11) are fixedly installed to the outer side of each supporting plate (12), a connecting groove (20) is formed in the outer side of the protective cover (3), a connecting ring (4) is arranged in the connecting groove (20), a mud removing cover (1), the mud removing cover is characterized in that three inserted rods (18) are fixedly mounted on the inner side of the mud removing cover (1) uniformly, a mud removing plate (14) is arranged inside the mud removing cover (1), three inserting holes (17) corresponding to the inserted rods (18) are formed in one side of the mud removing plate (14) uniformly, cavity bodies (26) and each are fixedly mounted on the outer side of the mud removing cover (1) symmetrically, first reset springs (19) are fixedly mounted on the inner sides of the cavity bodies (26), one end of each first reset spring (19) is fixedly connected with movable blocks (15) and two limiting rods (16) of the opposite faces of the movable blocks (15) penetrate through the cavity bodies (26) and the mud removing cover (1), and the limiting rods (16) are located on the left side of the mud removing plate (14).

2. The clamping device for the drill rod of the mine drilling machine according to claim 1, characterized in that the driver (7) is positioned at the right side of the hydraulic telescopic rod (9), and the driver (7) is electrically connected with the hydraulic telescopic rod (9).

3. The clamping device for the drill rod of the mine drilling machine according to claim 1, characterized in that four connecting rods (5) are uniformly and fixedly arranged at the other end of the rod sleeve (8), and a threaded sleeve (6) is fixedly arranged on the outer side of each connecting rod (5).

4. The clamping device for the drill rod of the mine drilling machine as recited in claim 1, characterized in that the mud removing cover (1) is of a trumpet-shaped structure, and the mud removing cover (1) and the connecting ring (4) are of an integrally formed structure.

5. The mine drilling machine drill rod clamping device as recited in claim 1, characterized in that a limiting groove (21) is symmetrically formed in the outer side of the connecting ring (4), hinged seats (23) are symmetrically and fixedly mounted on the outer side of the protective cover (3), each hinged seat (23) is rotatably connected to the inner side of a movable rod (24), a second return spring (22) is fixedly connected between the movable rods (24) and the protective cover (3), and a limiting block (25) matched with the limiting groove (21) is fixedly mounted on the outer side of each movable rod (24).

6. The clamping device for the drill rod of the mine drilling machine as recited in claim 5, characterized in that the movable rod (24) is of a V-shaped structure, and the movable rod (24) and the limiting block (25) are of an integrally formed structure.