CN211598544U

CN211598544U - Drill bit device for coal mine tunneling

Info

Publication number: CN211598544U
Application number: CN202020268809.3U
Authority: CN
Inventors: 张志罡; 张亦扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-29
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a drill bit device for coal mine tunnelling relates to coal mining technical field, including the spliced pole, the below of spliced pole is equipped with the drill bit, the upper surface of drill bit and the bottom surface fixed connection of spliced pole, is equipped with a location section of thick bamboo directly over the spliced pole. The utility model relates to a rational in infrastructure, it can be through the inside with the spliced pole insert a location section of thick bamboo, make spacing post joint in the inside of spacing groove, utilize connecting thread and fixed thread's threaded connection, realize being connected between spliced pole and the location section of thick bamboo, make spacing post slide along the spacing groove simultaneously, utilize the expanding spring who sets up, can promote spacing post and run through the locating hole, utilize the elastic airbag who sets up, under the cooperation setting of slide and push rod, promote the locating plate and remove, the realization is to the further fixed of being connected between spliced pole and the location section of thick bamboo, through the above-mentioned scheme, improve the convenience that the drill bit was dismantled, avoid causing the damage to the organism, improve the change efficiency simultaneously.

Description

Drill bit device for coal mine tunneling

Technical Field

The utility model relates to a coal mining technical field specifically is a drill bit device is used in colliery tunnelling.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, and when a coal seam is far from the ground surface, coal mining is generally selected to an underground excavation roadway, which is the underground coal mine, and when the coal seam is very close to the ground surface, coal mining is generally selected to directly strip a surface soil layer, which is the opencast coal mine.

The coal mine is in the process of mining and needs to utilize the drill bit to carry out the breakage to the coal mine and advance, makes the drill bit take place wearing and tearing, needs regularly to change the drill bit, and present drill bit is generally inlayed in the inside of organism, leads to the drill bit to take out comparatively troublesome, not only causes the damage to the organism easily, influences change efficiency moreover, for this reason, we provide a drill bit device for coal mine tunnelling and solve above-mentioned problem.

Disclosure of Invention

One) technical problem to be solved

The utility model aims at providing a drill bit device for coal mine excavation in order to compensate the deficiency of the prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit device for coal mine tunneling comprises a connecting column, wherein a drill bit is arranged below the connecting column, the upper surface of the drill bit is fixedly connected with the bottom surface of the connecting column, a positioning cylinder is arranged right above the connecting column, connecting threads are formed in the inner wall of the positioning cylinder, a transmission rod is fixedly connected to the upper surface of the positioning cylinder, the outer surface of the connecting column is provided with the fixing threads, the upper surface of the connecting column is fixedly connected with symmetrical fixing columns, symmetrical positioning holes are formed in the inner top wall of the positioning cylinder, symmetrical limiting grooves are formed in the inner top wall of the positioning cylinder, and two ends of each limiting groove are communicated with the positioning holes;

the upper surface of each fixing column is provided with an accommodating groove, a supporting plate is arranged inside each accommodating groove, a sliding rail is fixedly embedded in the inner side wall of each accommodating groove, the left end and the right end of each supporting plate are clamped inside the sliding rail, and the upper surface of each supporting plate is fixedly connected with a limiting column;

symmetrical placing grooves are formed in the upper surface of each limiting column, each placing groove is internally provided with a positioning plate, each positioning plate is provided with a symmetrical groove on one side surface close to the inner side wall of the placing groove, each elastic air bag is arranged inside each groove, one end, close to each groove, of each elastic air bag is fixedly connected with the inner side wall of each groove, each sliding plate is arranged inside each groove, each sliding plate is fixedly connected with a push rod on one side surface far away from each elastic air bag, one end, far away from each sliding plate, of each push rod extends to the outside of each groove, and each push rod is fixedly connected with the inner side wall of each placing groove at one end far away from each sliding plate.

Furthermore, every the diameter value of spacing post all equals with the diameter value of spacing groove, connecting thread and fixed thread looks adaptation.

Furthermore, the diameter value of each fixing column is equal to that of the positioning hole, and the vertical length value of each positioning plate is equal to that of the placement groove.

Furthermore, each sliding plate is made of toughened glass.

Furthermore, the bottom surface of every backup pad fixedly connected with symmetrical expanding spring, every expanding spring's bottom all with the interior diapire fixed connection of holding tank.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this drill bit device for coal mine tunnelling possesses following beneficial effect:

the utility model discloses a with the inside of spliced pole insertion location section of thick bamboo, make spacing post joint in the inside of spacing groove, utilize connecting thread and fixed thread's threaded connection, realize being connected between spliced pole and the location section of thick bamboo, make spacing post slide along the spacing groove simultaneously, utilize the expanding spring who sets up, can promote spacing post and run through the locating hole, utilize the elasticity gasbag that sets up, under the cooperation setting of slide and push rod, promote the locating plate and remove, the realization is to the further fixed of being connected between spliced pole and the location section of thick bamboo, through the above-mentioned scheme, improve the convenience that the drill bit was dismantled, avoid causing the damage to the organism, improve the change efficiency simultaneously.

Two, the utility model discloses a diameter value that sets up spacing post equals with the diameter value of spacing groove, can guarantee that spacing post can slide in the inside of spacing groove, through setting up connecting thread and fixed thread looks adaptation, can realize that a location section of thick bamboo is connected with the spliced pole, diameter value through setting up every fixed column all equals with the diameter value of locating hole, can improve the stability that a location section of thick bamboo is connected with the spliced pole, the vertical length value of every locating plate all equals with the vertical length value of standing groove, can guarantee the gliding smooth and easy nature of spacing post in the inside of spacing groove, utilize toughened glass's high strength, the life of extension slide.

Drawings

Fig. 1 is an overall schematic view of the drill bit device for coal mine excavation of the utility model;

fig. 2 is a cross-sectional view of the front view of the fixing column of the present invention;

FIG. 3 is a cross-sectional view of a side view of the spacing post of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

In the figure: 1. connecting columns; 2. a drill bit; 3. a positioning cylinder; 4. a transmission rod; 5. fixing threads; 6. fixing a column; 7. positioning holes; 8. a limiting groove; 9. accommodating grooves; 10. a support plate; 11. a slide rail; 12. a limiting column; 13. positioning a plate; 14. a tension spring; 15. a placement groove; 16. a groove; 17. a push rod; 18. a slide plate; 19. an elastic air bag.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a drill bit device for coal mine tunneling comprises a connecting column 1, a drill bit 2 is arranged below the connecting column 1, the upper surface of the drill bit 2 is fixedly connected with the bottom surface of the connecting column 1, a positioning cylinder 3 is arranged right above the connecting column 1, connecting threads are arranged on the inner wall of the positioning cylinder 3, a transmission rod 4 is fixedly connected with the upper surface of the positioning cylinder 3, fixing threads 5 are arranged on the outer surface of the connecting column 1, symmetrical fixing columns 6 are fixedly connected with the upper surface of the connecting column 1, symmetrical positioning holes 7 are formed in the inner top wall of the positioning cylinder 3, symmetrical limiting grooves 8 are formed in the inner top wall of the positioning cylinder 3, and two ends of each limiting groove 8 are communicated with the positioning holes 7;

the upper surface of each fixing column 6 is provided with an accommodating groove 9, a supporting plate 10 is arranged inside each accommodating groove 9, the inner side wall of each accommodating groove 9 is fixedly embedded with a sliding rail 11, the left end and the right end of each supporting plate 10 are clamped inside the sliding rail 11, and the upper surface of each supporting plate 10 is fixedly connected with a limiting column 12;

symmetrical standing groove 15 has been seted up to the upper surface of every spacing post 12, the inside of every standing groove 15 all is equipped with locating plate 13, symmetrical recess 16 has all been seted up to a side that every locating plate 13 is close to the standing groove 15 inside wall, the inside of every recess 16 all is equipped with elastic airbag 19, the one end that every elastic airbag 19 is close to recess 16 all with recess 16's inside wall fixed connection, every recess 16's inside is equipped with slide 18, the equal fixedly connected with push rod 17 of a side that every slide 18 kept away from elastic airbag 19, the one end that slide 18 was kept away from to every push rod 17 all extends to recess 16's outside, the equal standing groove 15's of one end fixed connection of slide 18 is kept away from to every push rod 17.

Furthermore, the diameter value of each limiting column 12 is equal to that of the limiting groove 8, and the connecting thread is matched with the fixed thread 5. The diameter value through setting up spacing post 12 equals with the diameter value of spacing groove 8, can guarantee that spacing post 12 can slide in the inside of spacing groove 8, through setting up connecting thread and 5 looks adaptations of fixed thread, can realize that a location section of thick bamboo 3 is connected with spliced pole 1.

Further, the diameter value of each fixed column 6 is equal to that of the positioning hole 7, and the vertical length value of each positioning plate 13 is equal to that of the placement groove 15. The diameter value through setting up every fixed column 6 all equals with the diameter value of locating hole 7, can improve the stability that a location section of thick bamboo 3 is connected with spliced pole 1, and the vertical length value of every locating plate 13 all equals with the vertical length value of standing groove 15, can guarantee spacing post 12 at the inside gliding smooth and easy nature of spacing groove 8.

Furthermore, each sliding plate 18 is made of tempered glass. The service life of the sliding plate 18 is prolonged by utilizing the high strength of the toughened glass.

Further, symmetrical extension springs 14 are fixedly connected to the bottom surface of each support plate 10, and the bottom end of each extension spring 14 is fixedly connected to the inner bottom wall of the receiving groove 9. By arranging the telescopic spring 14, the positioning cylinder 3 can be automatically clamped when being connected with the connecting column 1.

The working principle is as follows: when installation drill bit 2, at first insert the inside of a location section of thick bamboo 3 with spliced pole 1, make spacing post 12 joint in the inside of spacing groove 8, rotate spliced pole 1 after that, utilize the threaded connection of connecting thread and fixed screw thread 5, realize being connected between spliced pole 1 and the location section of thick bamboo 3, make spacing post 12 slide along spacing groove 8 simultaneously, recycle the expanding spring 14 that sets up, make spacing post 12 run through locating hole 7, utilize the elasticity gasbag 19 that sets up at last, under slide 18 and push rod 17's cooperation sets up, promote locating plate 13 and remove, the realization is to the further fixed of being connected between spliced pole 1 and the location section of thick bamboo 3, when guaranteeing drill bit 2 normal work, cause the damage to the organism when avoiding dismantling drill bit 2.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

Claims

1. The utility model provides a drill bit device for coal mine tunnelling, includes spliced pole (1), its characterized in that: a drill bit (2) is arranged below the connecting column (1), the upper surface of the drill bit (2) is fixedly connected with the bottom surface of the connecting column (1), a positioning cylinder (3) is arranged right above the connecting column (1), connecting threads are arranged on the inner wall of the positioning cylinder (3), a transmission rod (4) is fixedly connected with the upper surface of the positioning cylinder (3), fixing threads (5) are arranged on the outer surface of the connecting column (1), symmetrical fixing columns (6) are fixedly connected with the upper surface of the connecting column (1), symmetrical positioning holes (7) are formed in the inner top wall of the positioning cylinder (3), symmetrical limiting grooves (8) are formed in the inner top wall of the positioning cylinder (3), and two ends of each limiting groove (8) are communicated with the positioning holes (7);

accommodating grooves (9) are formed in the upper surface of each fixing column (6), a supporting plate (10) is arranged inside each accommodating groove (9), a sliding rail (11) is fixedly embedded in the inner side wall of each accommodating groove (9), the left end and the right end of each supporting plate (10) are clamped inside the sliding rail (11), and a limiting column (12) is fixedly connected to the upper surface of each supporting plate (10);

symmetrical placing grooves (15) are formed in the upper surface of each limiting column (12), each placing groove (15) is internally provided with a positioning plate (13), each positioning plate (13) is provided with symmetrical grooves (16) on one side surface close to the inner side wall of the placing groove (15), each groove (16) is internally provided with an elastic air bag (19), each elastic air bag (19) is fixedly connected with the inner side wall of the groove (16) at one end close to the groove (16), each groove (16) is internally provided with a sliding plate (18), each sliding plate (18) is far away from one side surface of the elastic air bag (19) and is fixedly connected with a push rod (17), each push rod (17) is far away from one end of the sliding plate (18) and extends to the outside of the groove (16), and each push rod (17) is fixedly connected with the inner side wall of the one end of the sliding plate (18) far away from the inner side wall of the placing groove (15).

2. A drill bit assembly for coal mine excavation according to claim 1, wherein: every the diameter value of spacing post (12) all equals with the diameter value of spacing groove (8), connecting thread and fixed thread (5) looks adaptation.

3. A drill bit assembly for coal mine excavation according to claim 1, wherein: the diameter value of each fixing column (6) is equal to that of the positioning hole (7), and the vertical length value of each positioning plate (13) is equal to that of the placement groove (15).

4. A drill bit assembly for coal mine excavation according to claim 1, wherein: each sliding plate (18) is made of toughened glass.

5. A drill bit assembly for coal mine excavation according to claim 1, wherein: the bottom surface of each supporting plate (10) is fixedly connected with symmetrical telescopic springs (14), and the bottom ends of the telescopic springs (14) are fixedly connected with the inner bottom wall of the accommodating groove (9).