CN219138999U

CN219138999U - Pneumatic jumbolter with quick-replaceable drill bit

Info

Publication number: CN219138999U
Application number: CN202223596720.8U
Authority: CN
Inventors: 田伟; 田魏; 田作超
Original assignee: Changzhou Ruiming Machinery Co ltd
Current assignee: Changzhou Ruiming Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of pneumatic jumbolters, in particular to a pneumatic jumbolter with a quickly replaced drill bit, which comprises a drill body and the drill bit, wherein a transmission part is arranged at the top end of the drill body, a mounting seat is rotatably arranged at the top end of the transmission part, a mounting column is arranged at the top end of the mounting seat, a rocker arm is arranged on the side wall of the right side of the drill body, the drill bit is arranged above the mounting column, a fixing seat is arranged at the bottom end of the drill bit, a fixing groove is arranged at the bottom end of the fixing seat and corresponds to the mounting column, the fixing groove is matched with the mounting column, a fixing device is arranged between the mounting column and the fixing groove, and the limiting seat and a limiting threaded rod are conveniently driven to move through the rotation of the limiting threaded rod, so that the quick mounting and the dismounting of the drill bit are completed through the cooperation of the limiting seat and the limiting groove, and the falling of the fixing seat from the surface of the mounting column in the using process is prevented.

Description

Pneumatic jumbolter with quick-replaceable drill bit

Technical Field

The utility model relates to the technical field of pneumatic jumbolters, in particular to a pneumatic jumbolter with a quickly replaced drill bit.

Background

The pneumatic jumbolter is a tunnel anchor bolt supporting device for coal mines, and has outstanding advantages in the aspects of improving supporting effect, reducing cost, accelerating roadway forming speed, reducing auxiliary transportation quantity, reducing labor intensity, improving tunnel section utilization rate and the like.

The pneumatic roof bolter is small in size, light in weight, large in torque, simple to operate and convenient to maintain, integrates drilling, stirring and anchor rod and anchor cable installation, is ideal equipment for anchor rod operation in various rock lanes, coal lanes and semi-coal lanes, is high in working strength, and meanwhile, the pneumatic roof bolter is large in abrasion of a drill bit, and the traditional pneumatic roof bolter does not have the capability of quickly replacing the drill bit, so that the working efficiency is influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a pneumatic jumbolter with a drill bit capable of being replaced quickly.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drill bit quick replacement's pneumatic jumbolter, includes rig body and drill bit, rig body top sets up drive unit, drive unit top rotates and sets up the mount pad, the mount pad top sets up the erection column, rig body right side lateral wall sets up the rocking arm, the erection column top sets up the drill bit, the drill bit bottom sets up the fixing base, fixing base bottom corresponds the position with the erection column and sets up the fixed slot, fixed slot and erection column looks adaptation, set up fixing device between erection column and the fixed slot, fixing device includes fixed block, stopper, spacing seat, spacing threaded rod and spacing dish, erection column lateral wall top sets up multiunit fixed block, the fixed slot lateral wall sets up the fixed slot with the fixed block corresponds the position, the fixed slot corresponds with the fixed block looks adaptation with the fixed block, be located the fixed block bottom and set up spacing cavity in the erection column, spacing cavity bottom stretches into in the mount pad, spacing cavity lateral wall corresponds the position with spacing hole and sets up the stopper, set up stopper, spacing thread rod and the threaded rod corresponds with the fixed slot, the threaded rod corresponds with the fixed position sets up the threaded rod under the fixed slot, the threaded rod sets up the threaded rod corresponds with the fixed position, the threaded rod corresponds with the threaded rod sets up the spacing position, the threaded rod sets up down the limit position.

In order to facilitate the use of a spanner to control the limiting disc to rotate, the utility model is improved in that a cross groove is arranged at one end of the limiting disc, which is far away from the limiting threaded rod.

In order to facilitate avoiding the drill bit from shaking horizontally above the mounting seat, the utility model is improved in that hemispherical positioning blocks are uniformly distributed on the periphery of the mounting column at the top end of the mounting seat, positioning grooves are formed at the positions of the bottom end of the fixing seat corresponding to the positioning blocks, and the positioning blocks are matched with the positioning grooves.

In order to avoid abrasion between the mounting column and the side wall of the fixed groove, the utility model is improved in that a rubber pad is arranged on the surface of the mounting column.

(III) beneficial effects

Compared with the prior art, the pneumatic jumbolter with the quickly replaced drill bit has the following beneficial effects:

this drill bit quick replacement's pneumatic jumbolter, through fixing device's setting, be convenient for realize through the cooperation of fixed block and fixed logical groove that the erection column drives fixing base and drill bit and carry out high-speed rotation to be convenient for carry out the probing. Through setting up of stopper, spacing seat and spacing threaded rod, be convenient for drive spacing seat and stopper through the rotation of spacing threaded rod and remove to accomplish the quick installation of drill bit fixed and dismantlement through the cooperation of stopper and spacing groove, prevent simultaneously that the fixing base from falling from the erection column surface in the use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the fixing device of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting base of the present utility model;

fig. 4 is a schematic view of the structure of the fixing seat of the present utility model.

In the figure: 1. a drill body; 2. a drill bit; 3. a transmission member; 4. a mounting base; 5. a mounting column; 6. a rocker arm; 7. a fixing seat; 8. a fixed block; 9. a limiting block; 10. a limit seat; 11. limiting the threaded rod; 12. a limiting disc; 13. fixing the through groove; 14. a limit groove; 15. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a pneumatic jumbolter capable of quickly replacing a drill bit comprises a drill body 1 and the drill bit 2, a transmission part 3 is arranged at the top end of the drill body 1, a mounting seat 4 is rotatably arranged at the top end of the transmission part 3, a mounting post 5 is arranged at the top end of the mounting seat 4, a rocker arm 6 is arranged on the right side wall of the drill body 1, the drill bit 2 is arranged above the mounting post 5, a fixing seat 7 is arranged at the bottom end of the drill bit 2, a fixing groove is arranged at the bottom end of the fixing seat 7 and corresponds to the mounting post 5, the fixing groove is matched with the mounting post 5, a fixing device is arranged between the mounting post 5 and the fixing groove, the fixing device comprises a fixing block 8, a limiting block 9, a limiting seat 10, a limiting threaded rod 11 and a limiting disc 12, a plurality of groups of fixing blocks 8 are arranged at the top ends of the side walls of the mounting post 5, a fixing through groove 13 is arranged at the corresponding positions of the fixing block 8, a limiting cavity is arranged at the bottom end of the fixing block 8, a limiting threaded rod 4 is arranged at the bottom end of the fixing block 8, a limiting cavity is arranged at the side wall of the fixing through groove 4, a limit seat is arranged at the threaded rod 11 corresponding to the threaded rod 11, a limit seat is arranged at the position of the threaded rod 11 through the threaded rod 11 and passes through the threaded hole 11, a limit seat is arranged at the position of the threaded rod 11, a limit seat is arranged at the limit groove 11 through the threaded hole 11, and the threaded hole 11 is arranged at the position of the threaded hole 11, and the limit seat is arranged at the limit seat through the corresponding position through the threaded position of the threaded hole 11, the limiting disc 12 is rotationally arranged in the driving groove, and the limiting threaded rod 11 is connected with the limiting disc 12. When the drill bit fixing device is used, an operator aligns the fixing block 8 with the fixing through groove 13 and moves the fixing seat 7 to enable the mounting column 5 to extend into the fixing groove, then the operator controls the limiting disc 12 to rotate, and accordingly the limiting seat 10 and the limiting block 9 are driven to move through rotation of the limiting threaded rod 11, the limiting block 9 is driven to extend into the limiting groove 14, and accordingly the fixing seat 7 and the drill bit 2 are mounted and fixed.

In the use process, an operator is inconvenient to control the limiting disc 12 to rotate, and therefore, a cross groove is formed in one end, away from the limiting threaded rod 11, of the limiting disc 12, and a spanner is convenient to control the limiting disc 12 to rotate.

The drill bit 2 is easy to shake in the horizontal direction above the mounting seat 4, therefore, the top end of the mounting seat 4 is located on the periphery of the mounting column 5, hemispherical positioning blocks 15 are uniformly distributed on the top end of the mounting seat, positioning grooves are formed in the positions, corresponding to the positioning blocks 15, of the bottom end of the fixing seat 7, the positioning blocks 15 are matched with the positioning grooves, and the drill bit 2 is convenient to shake in the horizontal direction above the mounting seat 4.

Wear easily occurs between the mounting column 5 and the side wall of the fixing groove, and for this purpose, a rubber pad is arranged on the surface of the mounting column 5, so that wear between the mounting column 5 and the side wall of the fixing groove is avoided.

In the description herein, it should be noted that the terms "coupled," "connected," and "connected," should be construed broadly, and may be either permanently connected, detachably connected, or integrally connected, for example, unless otherwise specifically indicated and defined; the connection may be mechanical connection, electrical connection, direct connection, or indirect connection via an intermediary. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this description, it should be noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic jumbolter of drill bit quick replacement, includes rig body (1) and drill bit (2), its characterized in that: the utility model discloses a drilling machine, including drilling machine body (1), drive part (3) top rotates and sets up mount pad (4), mount pad (4) top sets up erection column (5), drilling machine body (1) right side lateral wall sets up rocking arm (6), erection column (5) top sets up drill bit (2), drill bit (2) bottom sets up fixing base (7), fixing base (7) bottom and erection column (5) correspond the position and set up the fixed slot, fixed slot and erection column (5) looks adaptation, set up fixing device between erection column (5) and the fixed slot, fixing device includes fixed block (8), stopper (9), spacing seat (10), threaded rod (11) and spacing dish (12), erection column (5) lateral wall top sets up multiunit fixed block (8), fixed slot lateral wall and fixed block (8) correspond the position and set up fixed through groove (13), fixed through groove (13) and fixed block (8) looks adaptation, be located fixed block (8) bottom and fixed block (5) and fixed slot, set up fixing device between fixed slot and the fixed slot, limit seat (5) and the fixed slot setting up the cavity (4) and limiting disc (12), limiting block (9) are arranged at positions corresponding to the side walls of the limiting seat (10) and the limiting holes, limiting grooves (14) are formed in positions corresponding to the side walls of the fixing grooves and the limiting holes, limiting threaded rods (11) are arranged in the limiting cavities in a rotating mode at positions corresponding to the mounting seats (4) and located below the fixing blocks (8), limiting threaded holes are formed in positions corresponding to the limiting seats (10) and the limiting threaded rods (11), the limiting threaded rods (11) penetrate through the limiting threaded holes in a threaded mode, driving grooves are formed in positions corresponding to the side walls of the mounting seats (4) and the limiting threaded rods (11), limiting discs (12) are arranged in the driving grooves in a rotating mode, and the limiting threaded rods (11) are connected with the limiting discs (12).

2. A pneumatic jumbolter with rapid bit change according to claim 1, wherein: and one end of the limiting disc (12) far away from the limiting threaded rod (11) is provided with a cross groove.

3. A pneumatic jumbolter with rapid bit change according to claim 2, wherein: hemispherical positioning blocks (15) are uniformly distributed at the top end of the mounting seat (4) and are positioned on the periphery of the mounting column (5), positioning grooves are formed in the positions, corresponding to the positioning blocks (15), of the bottom end of the fixing seat (7), and the positioning blocks (15) are matched with the positioning grooves.

4. A pneumatic jumbolter with rapid bit change according to claim 3, wherein: and a rubber pad is arranged on the surface of the mounting column (5).