CN212250024U

CN212250024U - Protection mechanism for coal mining machine

Info

Publication number: CN212250024U
Application number: CN202020898649.0U
Authority: CN
Inventors: 左斌; 王成建; 葛传银
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-29
Anticipated expiration: 2030-05-25

Abstract

The utility model belongs to the technical field of the coal mining technology and specifically relates to a protection machanism for coal mine coal-winning machine, including coal-winning machine main part and hydraulic push rod, the top fixedly connected with second protection machanism of coal-winning machine main part, both ends all rotate about the coal-winning machine main part and are connected with hydraulic push rod, second protection machanism includes first baffle, second ball, second baffle, connecting block, motor, adjusting screw, connecting plate and third baffle, the equal fixedly connected with of the top left and right sides of coal-winning machine main part is the first baffle of vertical setting, the utility model discloses in, through first baffle, second ball, second baffle, connecting plate, adjusting screw, connecting plate and the third baffle that sets up, the staff can adjust the position of first baffle, second baffle and third baffle according to actual operating conditions, through first baffle, The second baffle and the third baffle block coal blocks in the mining process, and the flying coal blocks are prevented from injuring workers.

Description

Protection mechanism for coal mining machine

Technical Field

The utility model relates to a coal mining technology field specifically is a protection machanism for coal mining machine.

Background

The coal mining machine is one of important equipment for realizing the mechanization and the modernization of the coal mine production, the mechanical coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption, and the coal mining machine is divided into a sawing type, a planing type, a drilling type and a milling type: the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, if a fault occurs, the whole coal mining work can be interrupted, huge economic loss is caused, along with the development of the coal industry, the functions of the coal mining machine are more and more, the structure and the composition of the coal mining machine are more and more complex, so the fault cause is also complicated, the double-drum coal mining machine integrates the successful experience of the thin coal seam coal mining machine at home and abroad, the double-drum coal mining machine is a novel high-power thin coal seam coal mining machine designed aiming at the specific national conditions of China, along with the development of the society, the application of the coal mining machine is more and more extensive, and therefore, the demand on a protection mechanism for the coal mining machine.

The coal mining machine can carry out coal mining in a mine in the coal mining process, the coal block can fly in disorder when the coal mining machine feeds, the front part of the existing coal mining machine is not provided with any protection device, so that the coal block can fly out to hit the coal mining machine or workers in the mining process sometimes, the safety is low, the working efficiency is influenced, meanwhile, the coal block in the mining process can also damage a hydraulic push rod on the coal mining machine, the hydraulic push rod is damaged, and therefore the protection mechanism for the coal mining machine for the coal mine is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection machanism for coal mine coal-winning machine 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:

the utility model provides a protection machanism for coal mine mining machine, includes coal-winning machine main part and hydraulic push rod, the top fixedly connected with second protection machanism of coal-winning machine main part, both ends all rotate about the coal-winning machine main part and are connected with hydraulic push rod, the first protection machanism of hydraulic push rod's the outside fixedly connected with, second protection machanism includes first baffle, second ball, second baffle, connecting block, motor, adjusting screw, connecting plate and third baffle, the first baffle of the vertical setting of the equal fixedly connected with in top left and right sides of coal-winning machine main part, the inboard fixedly connected with motor in bottom of first baffle.

Preferably, the tail end of the main shaft of the motor is fixedly connected with an adjusting screw rod which is vertically arranged, the outer side of the adjusting screw rod is spirally connected with a second baffle, and the top end of the second baffle is fixedly connected with a connecting block.

Preferably, the inner side of the first baffle is rotatably connected with a second ball, and the first baffle is slidably connected with the second baffle through the second ball.

Preferably, the top end of the connecting block positioned on the left side is fixedly connected with a horizontally arranged connecting plate, and the bottom end of the connecting plate is fixedly connected with a third baffle.

Preferably, the first protection mechanism comprises an outer cylinder, an inner cylinder, a first ball and a limiting ring, the limiting ring is fixedly connected to the outer side of the hydraulic push rod, the outer cylinder is fixedly connected to the outer side of the hydraulic push rod, and the inner cylinder is slidably connected to the inner side of the outer cylinder.

Preferably, the inner side of the outer cylinder is rotatably connected with a first ball, and the outer cylinder is slidably connected with the inner cylinder through the first ball.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through urceolus, inner tube, first ball and the spacing ring that sets up, the urceolus and inner tube cover are in the hydraulic outside, and the effect through urceolus and inner tube can prevent that the coal cinder of mining in-process departure from pounding the higher authority to hydraulic push rod, and the effect through first ball can reduce the frictional force between urceolus and the inner tube simultaneously, takes place relative movement between the inner tube of being convenient for and the urceolus.

2. The utility model discloses in, through the first baffle, second ball, second baffle, connecting plate, adjusting screw, connecting plate and the third baffle that sets up, the staff can adjust the position of first baffle, second baffle and third baffle according to the actual working condition, blocks the coal cinder of exploitation in-process through first baffle, second baffle and third baffle, prevents that the coal cinder of departure from causing the injury to the staff.

Drawings

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

FIG. 2 is a schematic view of the internal installation structure of the outer barrel of the present invention;

in the figure: 1-a coal mining machine main body, 2-a hydraulic push rod, 3-a first protection mechanism, 301-an outer cylinder, 302-an inner cylinder, 303-a first ball, 304-a limiting ring, 4-a second protection mechanism, 401-a first baffle, 402-a second ball, 403-a second baffle, 404-a connecting block, 405-a motor, 406-an adjusting screw rod, 407-a connecting plate and 408-a third baffle.

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.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a protection machanism for coal mine mining machine, including coal-winning machine main part 1 and hydraulic push rod 2, the top fixedly connected with second protection machanism 4 of coal-winning machine main part 1, both ends all rotate about coal-winning machine main part 1 and are connected with hydraulic push rod 2, the first protection machanism 3 of the outside fixedly connected with of hydraulic push rod 2, second protection machanism 4 includes first baffle 401, second ball 402, second baffle 403, connecting block 404, motor 405, adjusting screw 406, connecting plate 407 and third baffle 408, the first baffle 401 of the vertical setting of the equal fixedly connected with in top left and right sides of coal-winning machine main part 1, the inboard fixedly connected with motor 405 in bottom of first baffle 401.

The tail end of a main shaft of the motor 405 is fixedly connected with a vertically arranged adjusting screw 406, the motor 405 can drive the adjusting screw 406 to rotate, the outer side of the adjusting screw 406 is spirally connected with a second baffle plate 403, the top end of the second baffle plate 403 is fixedly connected with a connecting block 404, the rotation of the adjusting screw 406 can drive the second baffle plate 403 to move in the vertical direction, the inner side of the first baffle plate 401 is rotatably connected with a second ball 402, the first baffle plate 401 is slidably connected with the second baffle plate 403 through the second ball 402, the friction force between the first baffle plate 401 and the second baffle plate 403 can be reduced through the second ball 402, the relative movement between the first baffle plate 401 and the second baffle plate 403 is convenient, the top end of the connecting block 404 positioned on the left side is fixedly connected with a horizontally arranged connecting plate 407, the bottom end of the connecting plate 407 is fixedly connected with a third baffle plate 408, and the coal blocks in the mining process through the first baffle plate 401, the second baffle plate 403 and the third baffle, prevent that the coal cinder of departure from causing the injury to the staff, first protection machanism 3 includes urceolus 301, inner tube 302, first ball 303 and spacing ring 304, hydraulic rod 2's outside fixedly connected with urceolus 301, the inboard sliding connection of urceolus 301 has inner tube 302, the inboard rotation of urceolus 301 is connected with first ball 303, and urceolus 301 is through first ball 303 and inner tube 302 sliding connection, can prevent through the effect of urceolus 301 and inner tube 302 that the coal cinder of mining in-process departure from pounces the higher authority of hydraulic rod 2, can reduce the frictional force between urceolus 301 and the inner tube 302 through the effect of first ball 303 simultaneously, be convenient for take place relative movement between inner tube 302 and the urceolus 301.

The working process is as follows: in the utility model, before using, the external power supply is used for supplying power, the coal mining machine main body 1 is in the working process, when the rollers on the left side and the right side of the upper surface of the coal mining machine main body 1 are subjected to angle adjustment, along with the extension and retraction of the hydraulic push rod 2, the hydraulic push rod 2 can drive the inner cylinder 302 to slide along the inner wall of the outer cylinder 301 through the first ball 303 by the limiting ring 304, the coal blocks flying out in the mining process can be prevented from smashing on the upper surface of the hydraulic push rod 2 by the action of the outer cylinder 301 and the inner cylinder 302, meanwhile, the friction force between the outer cylinder 301 and the inner cylinder 302 can be reduced by the action of the first ball 303, so that the inner cylinder 302 and the outer cylinder 301 can move relatively, when the coal blocks in the mining process need to be blocked by the first baffle 401, the second baffle and the third baffle 408, the worker controls the motor 405 to drive the adjusting screw rod 406 to rotate, the second baffle 403 can move in the vertical direction along the second, until the first baffle 406 is in a proper position, the first baffle 406 on the left side can drive the connecting plate 407 and the third baffle 408 to move correspondingly through the connecting block 404, and the coal briquettes in the mining process are blocked through the first baffle 401, the second baffle 403 and the third baffle 408, so that the flying coal briquettes are prevented from injuring workers.

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 protection machanism for coal mine winning machine, includes coal-winning machine main part (1) and hydraulic push rod (2), its characterized in that: the top fixedly connected with second protection mechanism (4) of coal-winning machine main part (1), both ends all rotate and are connected with hydraulic push rod (2) about coal-winning machine main part (1), the first protection mechanism (3) of outside fixedly connected with of hydraulic push rod (2), second protection mechanism (4) include first baffle (401), second ball (402), second baffle (403), connecting block (404), motor (405), adjusting screw (406), connecting plate (407) and third baffle (408), the equal fixedly connected with first baffle (401) of vertical setting in the top left and right sides of coal-winning machine main part (1), the inboard fixedly connected with motor (405) in bottom of first baffle (401).

2. The protection mechanism for the coal mining machine according to claim 1, characterized in that: the tail end of a main shaft of the motor (405) is fixedly connected with a vertically arranged adjusting screw rod (406), the outer side of the adjusting screw rod (406) is spirally connected with a second baffle plate (403), and the top end of the second baffle plate (403) is fixedly connected with a connecting block (404).

3. The protection mechanism for the coal mining machine according to claim 1, characterized in that: the inner side of the first baffle plate (401) is rotatably connected with a second ball (402), and the first baffle plate (401) is connected with a second baffle plate (403) in a sliding mode through the second ball (402).

4. The protection mechanism for the coal mining machine according to claim 1, characterized in that: the top end of the connecting block (404) positioned on the left side is fixedly connected with a connecting plate (407) which is horizontally arranged, and the bottom end of the connecting plate (407) is fixedly connected with a third baffle (408).

5. The protection mechanism for the coal mining machine according to claim 1, characterized in that: first protection machanism (3) are including urceolus (301), inner tube (302), first ball (303) and spacing ring (304), the outside fixedly connected with spacing ring (304) of hydraulic push rod (2), the outside fixedly connected with urceolus (301) of hydraulic push rod (2), the inboard sliding connection of urceolus (301) has inner tube (302).

6. The protection mechanism for the coal mining machine according to claim 5, characterized in that: the inner side of the outer cylinder (301) is rotatably connected with a first ball (303), and the outer cylinder (301) is connected with the inner cylinder (302) in a sliding mode through the first ball (303).