CN213419004U

CN213419004U - Grooving equipment for blasting of underground coal mining roadway

Info

Publication number: CN213419004U
Application number: CN202022431796.XU
Authority: CN
Inventors: 方尚鑫; 高敬文; 赵杰臣
Original assignee: Inner Mongolia University of Science and Technology
Current assignee: Inner Mongolia University of Science and Technology
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-11
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a grooving equipment is used in colliery underground mining roadway blasting, including inserting the post, it is provided with the protecting box to insert the post top, the protecting box with insert post fixed connection, the inside driving motor that is provided with of protecting box, driving motor and protecting box fixed connection, the driving motor output runs through a bull stick of protecting box and fixedly connected with, a bull stick runs through insert the post top and rotate with inserting the post and be connected, a bull stick is kept away from driving motor one end and is provided with a gear, a gear and a bull stick fixed connection, beneficial effect is: the setting of fluting case and installation piece can be changed the drill bit according to the demand, and the setting of No. two gears and a gear can make driving motor drive two drill bits simultaneously and carry out work, and electric telescopic handle's setting can be controlled the fluting degree of depth, carries out freely adjusting according to the demand, and the setting of buffering probe and protection piece can tentatively survey and protect the post of inserting simultaneously to the condition in the drilling, and the touching foreign matter causes the damage in preventing the post of inserting disect insertion drilling.

Description

Grooving equipment for blasting of underground coal mining roadway

Technical Field

The utility model relates to a coal mining equipment technical field, concretely relates to grooving equipment is used in blasting of colliery underground mining roadway.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines, and when the coal seam is very close to the ground surface, the coal is generally excavated by directly stripping the surface soil layer, and when the coal layer is far from the ground surface, the coal is generally excavated into underground excavation roadways.

In the process of underground coal mine mining, roadway tunneling blasting is required, a drilling blasting method is generally selected, the drilling blasting method is a method for excavating rocks through drilling, charging and blasting, but the integrity of surrounding rocks cannot be guaranteed by the drilling blasting method, so that a slotted hole blasting method is adopted, the integrity of the surrounding rocks of the roadway is solved, and in the prior art, no special equipment for grooving the drilled holes is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that do not have the equipment of specially carrying out the drilling grooving among the prior art, especially provide a grooving equipment for coal mine underground mining roadway blasting, make it can effectual solution above-mentioned problem.

The utility model provides a technical scheme that technical problem adopted is: a grooving device for coal mine underground mining roadway blasting comprises an insert column, wherein a protective box is arranged at the top of the insert column and fixedly connected with the insert column, a driving motor is arranged in the protective box and fixedly connected with the protective box, the output end of the driving motor penetrates through the protective box and is fixedly connected with a first rotating rod, the first rotating rod penetrates through the top of the insert column and is rotatably connected with the insert column, one end of the first rotating rod, which is far away from the driving motor, is provided with a first gear, the first gear is fixedly connected with the first rotating rod, two sides of the first gear are respectively provided with a second gear, the two second gears are respectively meshed with the first gear, the middle part of one side, which is far away from the two gears, is provided with a second rotating rod, each second rotating rod is fixedly connected with a corresponding second gear, one end, which is far away from the two rotating rods, penetrates through the insert column and is rotatably connected with the insert column, two No. two bull wheels are kept away from No. two gear one end and are all provided with fluting case, every fluting case all with correspond No. two bull wheel fixed connection, every fluting incasement portion all is provided with electric telescopic handle, every electric telescopic handle all with correspond fluting case fixed connection, every the electric telescopic handle output all runs through and corresponds fluting case and fixedly connected with installation piece, every electric telescopic handle one end is kept away from to the installation piece all dismantles and is connected with the drill bit.

As an optimal technical solution of the utility model: insert post bottom middle part and be provided with the montant, the montant top with insert post fixed connection, the montant is kept away from and is inserted post one end and be provided with the buffering probe, buffering probe and montant fixed connection.

As an optimal technical solution of the utility model: the montant both sides all are provided with the protection piece, every the protection piece all with insert post fixed connection.

As an optimal technical solution of the utility model: the hydraulic press is arranged at the top of the protection box, the top of the protection box is fixedly connected with the output end of the hydraulic press, the base of the hydraulic press is provided with a supporting plate, the supporting plate is fixedly connected with the hydraulic press, and the output end of the hydraulic press penetrates through the supporting plate and is in sliding connection with the supporting plate.

As an optimal technical solution of the utility model: the backup pad bottom four corners all is provided with the supporting leg, every the equal backup pad fixed connection in supporting leg top, every the supporting leg bottom all is provided with stabilizes the supporting shoe, every stabilize the supporting shoe all with corresponding supporting leg fixed connection.

The utility model has the advantages of it is following: the setting of fluting case and installation piece can be changed the drill bit according to the demand, and the setting of No. two gears and a gear can make driving motor drive two drill bits simultaneously and carry out work, and electric telescopic handle's setting can be controlled the fluting degree of depth, carries out freely adjusting according to the demand, and the setting of buffering probe and protection piece can tentatively survey and protect the post of inserting simultaneously to the condition in the drilling, and the touching foreign matter causes the damage in preventing the post of inserting disect insertion drilling.

Drawings

Fig. 1 is an enlarged schematic structural view of a cutting groove device for blasting of an underground coal mining roadway at a position a according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a grooving apparatus for blasting in an underground coal mining roadway according to a preferred embodiment of the present invention.

Description of reference numerals: 1. inserting a column; 2. a protective box; 3. a drive motor; 4. a first rotating rod; 5. a first gear; 6. a second gear; 7. a hydraulic press; 8. a second rotating rod; 9. grooving boxes; 10. an electric telescopic rod; 11. mounting blocks; 12. a drill bit; 13. a vertical rod; 14. buffering the probe; 15. a protection block; 16. a support plate; 17. supporting legs; 18. and stabilizing the supporting block.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-2, a grooving apparatus for coal mine underground mining roadway blasting comprises an insert column 1, a protective box 2 is arranged on the top of the insert column 1, the protective box 2 is fixedly connected with the insert column 1, a driving motor 3 is arranged in the protective box 2, the driving motor 3 is fixedly connected with the protective box 2, the output end of the driving motor 3 penetrates through the protective box 2 and is fixedly connected with a first rotating rod 4, the first rotating rod 4 penetrates through the top of the insert column 1 and is rotatably connected with the insert column 1, one end of the first rotating rod 4, far away from the driving motor 3, is provided with a first gear 5, the first gear 5 is fixedly connected with the first rotating rod 4, two sides of the first gear 5 are respectively provided with a second gear 6, the two second gears 6 are respectively engaged and connected with the first gear 5, the middle parts of the two second gears 6, far away from each other sides are respectively provided with a second rotating rod 8, each second rotating rod 8 is fixedly connected with a corresponding second gear 6, two bull sticks 8 keep away from one end each other and all run through the post 1 and rotate with the post 1 and be connected, two bull sticks 8 keep away from No. two 6 one ends of gear and all be provided with grooving case 9, every grooving case 9 all with correspond No. two bull stick 8 fixed connection, every grooving case 9 is inside all to be provided with electric telescopic handle 10, every electric telescopic handle 10 all with correspond grooving case 9 fixed connection, every electric telescopic handle 10 output all runs through and corresponds grooving case 9 and fixedly connected with installation piece 11, every installation piece 11 is kept away from electric telescopic handle 10 one end and all is dismantled and be connected with drill bit 12.

Insert 1 bottom middle part of post and be provided with montant 13, montant 13 top and 1 fixed connection of post, montant 13 is kept away from 1 one end of inserting the post and is provided with buffering probe 14, buffering probe 14 and montant 13 fixed connection, montant 13 both sides all are provided with protection piece 15, every protection piece 15 all with insert 1 fixed connection of post, 2 tops of protection box are provided with

hydraulic press

7, 2 tops of protection box and 7 output fixed connection of hydraulic press, 7 bases of hydraulic press are provided with backup pad 16,

backup pad

16 and 7 fixed connection of hydraulic press, 7 outputs of hydraulic press run through backup pad 16 and with 16 sliding connection of backup pad, 16 bottom four corners of backup pad all are provided with supporting

leg

17, 16 fixed connection in the equal backup pad in every supporting leg 17 top, every supporting leg 17 bottom all is provided with stable supporting shoe 18, every stable supporting shoe 18 all with.

Specifically, when the device is used, the device is placed above a drill hole, the device is supported and stabilized through the stabilizing support block 18, then the proper drill bits 12 are selected and respectively installed on the installation blocks 11, the inserted column 1 is inserted into the drill hole through the hydraulic press 7, the condition in the hole is preliminarily detected through the buffer probe 14, the inserted column 1 is protected through the buffer probe 14 and the protection block 15, the inserted column 1 is prevented from directly descending to the top in the drill hole and being damaged by foreign matters, after the drill bits 12 are located at a required groove opening position, the first rotating rod 4 is driven to rotate through the driving motor 3, the first rotating rod 4 drives the first gear 5 to rotate, the first gear 5 drives the second gear 6 to rotate, the second gear 6 drives the second rotating rod 8 to rotate, the second rotating rod 8 drives the two groove opening boxes 9 to rotate, and then the two electric telescopic rods 10 drive the drill bits 12 to rotate through the installation blocks 11, grooving the inner wall of the drilled hole, controlling the grooving depth by extending or contracting the two electric telescopic rods 10, retracting the drill bit 12 by contracting the two electric telescopic rods 10 after grooving is finished, and retracting the inserting column 1 by the hydraulic machine 7 to retract the ground.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The grooving equipment for blasting of the underground coal mining roadway is characterized by comprising an insert column (1), wherein a protective box (2) is arranged at the top of the insert column (1), the protective box (2) is fixedly connected with the insert column (1), a driving motor (3) is arranged inside the protective box (2), the driving motor (3) is fixedly connected with the protective box (2), the output end of the driving motor (3) penetrates through the protective box (2) and is fixedly connected with a first rotating rod (4), the first rotating rod (4) penetrates through the top of the insert column (1) and is rotatably connected with the insert column (1), one end, far away from the driving motor (3), of the first rotating rod (4) is provided with a first gear (5), the first gear (5) is fixedly connected with the first rotating rod (4), two sides of the first gear (5) are respectively provided with a second gear (6), and the two second gears (6) are respectively meshed with the first gear (5), two No. two gear (6) keep away from one side middle part each other and all be provided with bull stick (8) No. two bull stick (8) all with correspond No. two gear (6) fixed connection, two one end is kept away from each other in bull stick (8) all runs through post (1) and rotate with post (1) and be connected, two No. two gear (6) one end is kept away from in bull stick (8) all is provided with fluting case (9), every fluting case (9) all with correspond No. two bull stick (8) fixed connection, every fluting case (9) inside all is provided with electric telescopic handle (10), every electric telescopic handle (10) all with correspond fluting case (9) fixed connection, every electric telescopic handle (10) output all runs through and corresponds fluting case (9) and fixedly connected with installation piece (11), every installation piece (11) keep away from electric telescopic handle (10) one end and all dismantle and be connected with drill bit (12).

2. The grooving equipment for blasting in the underground coal mining roadway of claim 1, wherein a vertical rod (13) is arranged in the middle of the bottom of the insert column (1), the top of the vertical rod (13) is fixedly connected with the insert column (1), a buffer probe (14) is arranged at one end of the vertical rod (13) far away from the insert column (1), and the buffer probe (14) is fixedly connected with the vertical rod (13).

3. The grooving apparatus for blasting in an underground coal mining roadway as claimed in claim 2, wherein the vertical rod (13) is provided with protective blocks (15) on both sides, and each protective block (15) is fixedly connected with the insert pillar (1).

4. The grooving equipment for blasting in the underground coal mining roadway of claim 1, wherein the top of the protective box (2) is provided with a hydraulic machine (7), the top of the protective box (2) is fixedly connected with the output end of the hydraulic machine (7), the base of the hydraulic machine (7) is provided with a support plate (16), the support plate (16) is fixedly connected with the hydraulic machine (7), and the output end of the hydraulic machine (7) penetrates through the support plate (16) and is in sliding connection with the support plate (16).

5. The grooving apparatus for blasting in an underground coal mining roadway according to claim 4, wherein support legs (17) are provided at four corners of a bottom of the support plate (16), the support plate (16) is fixedly connected to a top of each support leg (17), a stabilizing support block (18) is provided at a bottom of each support leg (17), and each stabilizing support block (18) is fixedly connected to a corresponding support leg (17).