CN210909857U

CN210909857U - Punching device for coal mining

Info

Publication number: CN210909857U
Application number: CN201921543994.6U
Authority: CN
Inventors: 谢志江; 孙涛胜; 侯智杰; 吕晨; 张慧勇; 刘玥
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-07-03
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a punching device for coal mining, which comprises an air pick main body and a lifting device, the internal structure of the air pick main body refers to the structure of the existing air pick for coal mining, a hoisting device is sleeved and fixed on a cylindrical structure in the middle of the air pick main body, the lifting device comprises a rubber sleeve, a horizontal handle, an upper strip, a middle strip, a lower frame, a filling block and a square sleeve, the outline of the lower frame is in a circular ring structure, the lower frame is in an integrated structure formed by bending and curling a steel plate, the lower frame is sleeved on the cylindrical part in the middle of the air pick main body, the middle part of the lower side of the lower frame is provided with a filling block made of rubber, three groups of parallel threaded shafts are arranged in the filling block, two ends of each of the three groups of threaded shafts penetrate through the adjacent lower frame parts, and frame nuts are sleeved on the threaded parts at the two ends of each of the threaded shafts. This punching device that coal mining adopted can reduce the operation degree of difficulty of pneumatic pick on perpendicular surface, is fit for generally using widely.

Description

Punching device for coal mining

Technical Field

The utility model belongs to the technical field of coal mining, concretely relates to punching device that coal mining adopted.

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. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities.

The air pick is a common punching device in the coal mining process, when the air pick is used on the side wall and the higher wall surface of a coal mine, the air pick needs to be lifted, a hole needs to be formed in advance on the wall in a conventional state, then the pick head of the air pick is inserted, and the air pick is stabilized by the aid of the hole, but the method is not beneficial to hole forming operation with high frequency.

Disclosure of Invention

An object of the utility model is to provide a punching device that coal mining adopted to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a punching device for coal mining comprises a pneumatic pick main body and a lifting device, wherein the internal structure of the pneumatic pick main body refers to the structure of the existing pneumatic pick for coal mining, a hoisting device is sleeved and fixed on the cylindrical structure in the middle of the air pick main body, the hoisting device comprises a rubber sleeve, a horizontal handle, an upper strip, a middle strip, a lower frame, a filling block and a square sleeve, the outline of the lower frame is in a circular ring structure, the lower frame is in an integrated structure formed by bending and curling a steel plate, the lower frame is sleeved on the cylindrical part in the middle of the air pick main body, the middle part of the lower side of the lower frame is provided with a filling block made of rubber, the filling block is internally provided with three groups of threaded shafts which are parallel to each other, the two ends of each threaded shaft penetrate through the adjacent lower frame part, the threaded parts at the two ends of each threaded shaft are sleeved with frame nuts, and two groups of threaded pipes which are distributed in a horizontal state are welded on the two sides of each lower frame.

Preferably, the lower end of the lower frame is sleeved with two groups of square sleeves, the square sleeves are rectangular outlines with openings at the upper parts, and the square sleeves are made of rubber.

Preferably, the middle strip is arranged above the lower frame, two groups of tubular structures at the lower end of the middle strip are respectively sleeved on the threaded pipes of the adjacent lower frames, a longitudinal locking screw is arranged inside each threaded pipe, and the nut part of the longitudinal locking screw is propped against the tubular structure at the lower end of the middle strip.

Preferably, the vertical part above the middle bar is provided with a top bar, the bolt part at the lower end of the top bar passes through the adjacent middle bar part, and the bolt part passing through the top bar at the lower end of the middle bar is sleeved with two groups of transverse locking nuts.

Preferably, a horizontal handle is fixed above the upper strip through a handle screw, a rubber sleeve with a circular tubular structure in outline is sleeved on the horizontal handle, the rubber sleeve is fixedly bonded with the horizontal handle through epoxy gum, and a plurality of groups of mesh lines for increasing friction are arranged on the rubber sleeve.

The utility model discloses a technological effect and advantage: according to the punching device for coal mining, the air pick main body is lifted up through the lifting device, and the air pick main body can be positioned directly by means of the lifting device and the handle of the air pick main body when punching operation is carried out, so that the problem that holes need to be formed on an operation surface in advance under conventional conditions is solved, the construction steps are simplified, and the labor burden of workers is reduced; the middle strip and the upper strip enable the handle to have good mobility, when a user uses the horizontal handle, the horizontal handle can swing above the air pick main body, and excessive vibration of the air pick main body during working cannot be transmitted to the horizontal handle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an explosion diagram of the lifting device of the present invention.

In the figure: 1 air pick main body, 2 hoisting device, 201 rubber sleeve, 202 horizontal handle, 203 upper bar, 204 middle bar, 205 longitudinal locking screw, 206 lower frame, 207 threaded shaft, 208 frame nut, 209 handle screw, 210 filling block, 211 square sleeve, 212 transverse locking nut.

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.

The utility model provides a punching device that coal mining adopted as shown in figure 1-2, including pneumatic pick main part 1 and hoisting accessory 2, the inner structure of pneumatic pick main part 1 refers to the structure of the current pneumatic pick that is used for exploiting the colliery, the cylindric structural upper cover in the middle part of pneumatic pick main part 1 is equipped with and is fixed with hoisting accessory 2, hoisting accessory 2 includes rubber sleeve 201, horizontal handle 202, upper bar 203, median 204, lower frame 206, filler block 210 and square cover 211, the profile of lower frame 206 is circular ring structure, lower frame 206 is the integral type structure that the steel sheet is bent and curls and is made, lower frame 206 cover is established on the part in the middle part of pneumatic pick main part 1, the middle part of the downside of lower frame 206 is provided with filler block 210 of rubber material, the inside threaded shaft 207 that is provided with three groups of being parallel each other that is provided with, three groups the both ends of threaded shaft 207 all pass its adjacent lower frame 206 part, the threaded parts at the two ends of the threaded shaft 207 are sleeved with frame nuts 208, and two groups of threaded pipes distributed in a horizontal state are welded at the two sides of the lower frame 206.

Specifically, the pot head is equipped with two sets of square covers 211 under the lower frame 206, square cover 211 is top open-ended rectangle profile, and the material of square cover 211 is rubber, square cover 211 increase the air pick main part 1 when placing with the frictional force on ground, avoid causing the problem that drops owing to sliding when placing on the anti-skidding plane.

Specifically, the middle bar 204 is arranged above the lower frame 206, two sets of tubular structures at the lower end of the middle bar 204 are respectively sleeved on the threaded pipes of the adjacent lower frames 206, a longitudinal locking screw 205 is arranged inside each threaded pipe, and the nut part of the longitudinal locking screw 205 is pressed against the tubular structure at the lower end of the middle bar 204.

Specifically, the vertical part above the middle bar 204 is provided with the upper bar 203, the bolt part at the lower end of the upper bar 203 passes through the adjacent middle bar 204 part, two groups of transverse locking nuts 212 are sleeved on the bolt part of the upper bar 203 passing through the lower end of the middle bar 204, and the transverse locking nuts 212 are used for locking the relative positions of the upper bar 203 and the middle bar 204.

Specifically, a horizontal handle 202 is fixed above the upper strip 203 through a handle screw 209, a rubber sleeve 201 with a circular tubular structure in outline is sleeved on the horizontal handle 202, the rubber sleeve 201 is fixedly bonded with the horizontal handle 202 through epoxy gum, a plurality of groups of mesh lines for increasing friction are arranged on the rubber sleeve 201, the rubber sleeve 201 optimizes the holding hand feeling, and meanwhile, the vibration of the pneumatic pick main body 1 on the holding hand is reduced.

Specifically, the using mode of the punching device adopted in coal mining refers to a conventional air pick using mode, one hand holds the handle of the air pick main body 1, the other hand holds the horizontal handle 202 of the lifting device 2, the pick head of the air pick main body 1 faces the punching position of the coal mine, due to the fact that the lifting device 2 has the relationship, the position of the air pick main body 1 can be well determined through the two hands, after the air pick main body 1 punches a positioning hole in the face to be opened, the remaining operating mode refers to the existing air pick punching operating mode.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a punching device that coal mining adopted, includes pneumatic pick main part (1) and hoisting accessory (2), its characterized in that: the pneumatic pick is characterized in that a hoisting device (2) is fixedly sleeved on a cylindrical structure in the middle of the pneumatic pick main body (1), the hoisting device (2) comprises a rubber sleeve (201), a horizontal handle (202), an upper strip (203), a middle strip (204), a lower frame (206), a filling block (210) and a square sleeve (211), the outline of the lower frame (206) is of a circular annular structure, the lower frame (206) is of an integrated structure formed by bending and curling a steel plate, the lower frame (206) is sleeved on the cylindrical part in the middle of the pneumatic pick main body (1), the filling block (210) made of rubber is arranged in the middle of the lower side of the lower frame (206), three groups of parallel threaded shafts (207) are arranged in the filling block (210), two ends of the three groups of threaded shafts (207) penetrate through the adjacent lower frame (206) parts, and frame nuts (208) are sleeved on the threaded parts at two ends of the threaded shafts (207), two groups of threaded pipes distributed in a horizontal state are welded on two sides of the lower frame (206).

2. A punching apparatus for coal mining according to claim 1, wherein: the lower end of the lower frame (206) is sleeved with two groups of square sleeves (211), and the square sleeves (211) are rectangular outlines with openings at the upper parts.

3. A punching apparatus for coal mining according to claim 1, wherein: the square sleeve (211) is made of rubber.

4. A punching apparatus for coal mining according to claim 1, wherein: the middle strip (204) is arranged above the lower frame (206), two groups of tubular structures at the lower end of the middle strip (204) are respectively sleeved on the threaded pipes of the adjacent lower frames (206), a longitudinal locking screw (205) is arranged inside the threaded pipes, and the nut part of the longitudinal locking screw (205) is propped against the tubular structures at the lower end of the middle strip (204).

5. A punching apparatus for coal mining according to claim 1, wherein: the vertical part above the middle bar (204) is provided with an upper bar (203), the bolt part at the lower end of the upper bar (203) penetrates through the adjacent middle bar (204), and two groups of transverse locking nuts (212) are sleeved on the bolt part of the upper bar (203) penetrating through the lower end of the middle bar (204).

6. A punching apparatus for coal mining according to claim 1, wherein: horizontal handle (202) are fixed with through handle screw (209) above going up strip (203), the cover is equipped with rubber sleeve (201) that the profile is circular tubular structure on horizontal handle (202), rubber sleeve (201) are fixed with horizontal handle (202) bonding through epoxy gum, be equipped with a plurality of groups on rubber sleeve (201) and be used for increasing the netted line of frictional force.