CN212250017U - Novel coal road rapid tunneling machine - Google Patents

Abstract

A novel coal roadway rapid tunneling machine comprises a tunneling machine, a supporting device and a lifting hydraulic cylinder; the heading machine comprises a machine body, wherein the lower part of the machine body is rotatably provided with a crawler belt, and the front end of the machine body is provided with a machine head and a shovel plate; the supporting device comprises guide plates, guide holes are vertically formed in the guide plates, a sliding column is arranged in each guide hole in a matched and sliding mode, a limiting plate is fixedly arranged at the end part of the lower end of each sliding column, a supporting plate is fixedly arranged at the end part of the upper end of each sliding column, the side edge of the upper surface of each supporting plate and the side edge of the lower surface of each supporting plate are arranged in a fillet mode, the side surfaces of the supporting plates on two adjacent sliding columns are arranged in a sliding contact mode, compression springs are further sleeved on the sliding columns, the upper ends of the compression springs are limited through the lower surfaces of the supporting plates, and; the guide plate is supported by a lifting hydraulic cylinder. In a word, the utility model discloses can carry out more abundant support to the top in unevenness's coal road, reduce dropping of cinder or stone.

Description

Novel coal road rapid tunneling machine

Technical Field

The utility model relates to a coal mining technical field device, concretely relates to novel coal road rapid tunnel boring machine.

Background

As a traditional energy source, coal has a very important role in industrial development, coal mining technology is continuously developed, coal resources often exist underground, so a heading machine is often used for mining underground coal, when the heading machine is used for coal mining, coal slag or stones can fall from the top of a coal roadway, so a hydraulic cylinder is needed to drive a support guard plate to support the heading machine, a support plate of the existing rapid heading machine usually adopts a whole flat plate, the support plate can vibrate along with the heading machine in the working process of the heading machine, the top of the coal roadway is often uneven, the existing support guard plate cannot be attached to the top of the coal roadway, the coal slag or stones can still fall from gaps between the top of the coal roadway which is not supported and the support plate, and the fallen coal slag or stones can slowly fall from the support plate, threatens the personal safety of personnel in the production field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel coal road rapid tunneling machine, aim at: carry out more abundant support to the top in unevenness's coal road, reduce dropping of cinder or stone.

In order to achieve the above object, the present invention provides the following technical solutions:

a novel coal roadway rapid tunneling machine comprises a tunneling machine, a supporting device and a lifting hydraulic cylinder; the heading machine comprises a machine body, wherein the lower part of the machine body is rotatably provided with a crawler belt, and the front end of the machine body is provided with a machine head and a shovel plate; the supporting device comprises guide plates, the guide plates are horizontally arranged above the machine body, guide holes are vertically arranged on the guide plates, a plurality of groups of guide holes are evenly arranged at intervals along the left and right direction, each group of guide holes are evenly arranged at intervals along the front and back direction, a sliding column is arranged in each guide hole in a matched and sliding mode, the lower end of the sliding column extends to the lower part of the guide plate, a limit plate is fixedly arranged at the end part of the lower end of the sliding column, the upper end of the sliding column extends to the upper part of the guide plate, a support plate is fixedly arranged at the end part of the upper end of the sliding column, the supporting plate is horizontally arranged, the side edge of the upper surface of the supporting plate and the side edge of the lower surface of the supporting plate are both arranged in a fillet manner, the side surfaces of the supporting plates on two adjacent sliding columns are arranged in a sliding contact manner, compression springs are further sleeved on the sliding columns and are in a compression state, the upper ends of the compression springs are limited through the lower surface of the supporting plate, and the lower ends of the compression springs are limited through the upper surface of the guide plate; the guide plate is supported by a lifting hydraulic cylinder, the lifting hydraulic cylinder is vertically arranged, the lower end of the lifting hydraulic cylinder is fixedly connected with the machine body, and the upper end of the lifting hydraulic cylinder is fixedly connected with the guide plate.

Preferably, four lifting hydraulic cylinders are arranged and distributed in a rectangular shape.

Preferably, the guiding holes are uniformly arranged in seven groups at intervals in the left-right direction, and each group of guiding holes is uniformly arranged in three groups at intervals in the front-back direction.

Preferably, a buffer pad is arranged on the upper surface of the limit plate.

Preferably, the buffer pad is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the supporting and protecting plate is formed by splicing a plurality of small supporting plates, when the supporting and protecting plate is not supported, the compression spring supports the supporting plate to enable the supporting plate to be located at the highest position, adjacent supporting plates are in sliding contact, when the top of the coal roadway is required to be supported, the lifting hydraulic cylinder drives the guide plate to lift, the supporting plates at different positions can be lowered by different distances according to the concave-convex condition of the top of the coal roadway, and the compression spring compresses a larger length, compared with the existing supporting and protecting plate, the supporting plate adopts a whole plate; the upper surface of the limiting plate is provided with a buffer cushion, and when the compression spring supports the support plate, the buffer cushion reduces collision between the upper surface of the limiting plate and the guide plate, and reduces equipment abrasion. In a word, the utility model discloses can carry out more abundant support to the top in unevenness's coal road, reduce dropping of cinder or stone.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is the connection structure diagram of the sliding column, the guiding plate and the supporting plate of the present invention.

In the figure: 10. the heading machine comprises a heading machine body 101, a crawler belt 102, a shovel plate 103, a machine head 104, a machine body 20, a lifting hydraulic cylinder 30, a supporting device 301, a limiting plate 302, a guide plate 3021, guide holes 303, sliding columns 304, compression springs 305 and a support plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example (b): as shown in fig. 1, 2 and 3, the utility model provides a novel coal roadway rapid tunneling machine, which comprises a tunneling machine 10, a supporting device 30 and a lifting hydraulic cylinder 20; the heading machine 10 includes a machine body 104, a crawler belt 101 is rotatably provided on a lower portion of the machine body 104, and a machine head 103 and a shovel plate 102 are provided at a front end of the machine body 104.

The supporting device 30 includes a guide plate 302, the guide plate 302 is horizontally disposed above the machine body 104, guide holes 3021 are vertically disposed on the guide plate 302, a plurality of groups of guide holes 3021 are uniformly spaced in the left-right direction, and a plurality of guide holes 3021 are uniformly spaced in the front-back direction, in this embodiment, seven groups of guide holes 3021 are uniformly spaced in the left-right direction, and each group of guide holes 3021 is uniformly spaced in the front-back direction, a sliding column 303 is slidably inserted into each guide hole 3021, in order to ensure the stability of the sliding column 303 sliding along the guide holes 3021, the upper and lower ends of the sliding column 303 are prevented from shaking, the guide plate 302 should be designed to be as thick as possible, a limiting plate 301 is fixedly disposed at the end portion of the lower end of the sliding column 303 extending below the guide plate 302, a supporting plate 305 is fixedly disposed at the end portion of the lower end of the sliding column 303 extending above the guide plate 302, and a supporting plate 305 is fixedly disposed at the, the extension board 305 is horizontally arranged, the side edge of the upper surface of the extension board 305 and the side edge of the lower surface of the extension board 305 are both arranged in a rounding manner, the side surfaces of the extension boards 305 on the two adjacent sliding columns 303 are in sliding contact with each other, after the adjacent extension boards 305 are staggered to a distance larger than the thickness of one extension board 305, namely, when the side surfaces of the extension boards 305 on the two adjacent sliding columns 303 are completely staggered due to different lifting distances, the rounding manner can enable the side edges of the two adjacent extension boards 305 to be in contact sliding again, the sliding columns 303 are further sleeved with compression springs 304, the compression springs 304 are in a compression state, the upper ends of the compression springs 304 are limited by the lower surfaces of the extension boards 305, and the lower ends of the compression springs 304 are limited by the.

The guide plate 302 is supported by the hydraulic lifting cylinder 20, the hydraulic lifting cylinder 20 is vertically arranged, the lower end of the hydraulic lifting cylinder 20 is fixedly connected with the machine body 104, and the upper end of the hydraulic lifting cylinder 20 is fixedly connected with the guide plate 302.

Further, be provided with the blotter on the upper surface of limiting plate 301, when compression spring bounce-back propped up extension board 305, the blotter reduced the collision between the upper surface of limiting plate 301 and the lower surface of deflector 302, reduced equipment wearing and tearing, and further, the blotter adopts the rubber material, low price, simple to operate.

The utility model provides a novel coal road rapid development machine, in the in-service use process, when not strutting the coal road top, hydraulic cylinder 20 does not start, compression spring 304 props up extension board 305 and makes slip post 303 slide along the guiding hole and make extension board 305 be located the highest position, the upper surface of limiting plate 301 and the lower surface contact of deflector 302 at this moment in order to carry out the spacing to slip post 303, when needing to strut the coal road top, start hydraulic cylinder 20 and drive deflector 302 to rise, the extension board 305 of different positions can descend different distances according to the unsmooth condition at coal road top at this moment, and compression spring 304 can compress bigger length, compare in current extension board adoption an integral board, the utility model discloses a support board adopts a plurality of extension boards 305 to splice to form, can be furthest from making the extension board paste the top 305 of coal road tightly, carry out more abundant support to the top of unsmooth coal road, the coal cinder or the stone drop is reduced, the better support effect is achieved, the safety risk of field personnel is reduced, a single support plate 305 can be designed to be as small as possible, so that the concave-convex condition of the top of the coal roadway can be divided to be finer, the support plate 305 can be better attached to the top of the coal roadway, the support plate 305 is supported by a compression spring 304, the influence of the vibration of the heading machine 10 in the vertical direction on the support plate 305 can also be reduced, the support plate 305 can be ensured to be more stably attached to the top of the coal roadway, and the better support effect is achieved. In a word, the utility model discloses can carry out more abundant support to the top in unevenness's coal road, reduce dropping of cinder or stone.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims (5)

1. The utility model provides a novel coal road rapid development machine which characterized in that: comprises a heading machine (10), a supporting device (30) and a lifting hydraulic cylinder (20); the heading machine (10) comprises a machine body (104), a crawler belt (101) is rotatably arranged at the lower part of the machine body (104), and a machine head (103) and a shovel plate (102) are arranged at the front end of the machine body (104); the supporting device (30) comprises a guide plate (302), the guide plate (302) is horizontally arranged above a machine body (104), a plurality of guide holes (3021) are vertically arranged on the guide plate (302), the guide holes (3021) are uniformly arranged in groups at intervals in the left-right direction, each group of guide holes (3021) is uniformly arranged in a plurality of groups at intervals in the front-back direction, a sliding column (303) is arranged in each guide hole (3021) in a sliding and penetrating manner in a matching manner, the lower end of the sliding column (303) extends to the lower side of the guide plate (302), a limiting plate (301) is fixedly arranged at the lower end of the sliding column (303), a supporting plate (305) is fixedly arranged at the upper end of the sliding column (303) which extends to the upper side of the guide plate (302), a supporting plate (305) is fixedly arranged at the upper end of the sliding column (303), the supporting plate (305) is horizontally arranged, and the side edges of the upper, the side surfaces of the support plates (305) on the two adjacent sliding columns (303) are arranged in a sliding contact manner, the sliding columns (303) are further sleeved with compression springs (304), the compression springs (304) are in a compression state, the upper ends of the compression springs (304) are limited through the lower surfaces of the support plates (305), and the lower ends of the compression springs (304) are limited through the upper surfaces of the guide plates (302); the guide plate (302) is supported by a lifting hydraulic cylinder (20), the lifting hydraulic cylinder (20) is vertically arranged, the lower end of the lifting hydraulic cylinder (20) is fixedly connected with the machine body (104), and the upper end of the lifting hydraulic cylinder (20) is fixedly connected with the guide plate (302).

2. The novel coal roadway rapid tunneling machine according to claim 1, characterized in that: the four lifting hydraulic cylinders (20) are arranged in the lifting hydraulic cylinder (20) and are distributed in a rectangular shape.

3. The novel coal roadway rapid tunneling machine according to claim 1, characterized in that: seven groups of guide holes (3021) are uniformly arranged along the left-right direction at intervals, and three guide holes (3021) in each group are uniformly arranged along the front-back direction at intervals.

4. The novel coal roadway rapid tunneling machine according to claim 1, characterized in that: a buffer pad is arranged on the upper surface of the limiting plate (301).

5. The novel coal roadway rapid tunneling machine according to claim 4, characterized in that: the buffer pad is made of rubber.

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