阅读说明：本技术 一种煤矿掘进用的防护装置 (Protection device for coal mine tunneling ) 是由 李圣江 杨卫林 焦谓战 王宗超 于 2021-07-20 设计创作，主要内容包括：本发明涉及煤矿开采技术领域,公开了一种煤矿掘进用的防护装置,包括底板、操作机构和掘进机构；掘进机构,包括设置于底板一端的第二固定板,第二固定板远离底板的一端转动连接转动板,转动板远离装置中心的一侧设有气缸,气缸的活塞杆固定连接第三固定板,第三固定板的中部设有钻头；操作机构,设置于底板远离掘进机构的一侧,包括与底板固定连接的滑动套,滑动套远离底板的一侧滑动连接滑动杆,滑动杆的端部固定连接操作台,操作台靠近掘进机构的一侧设有第一挡板。本发明适用于一种煤矿掘进用的防护装置,通过设置固定杆和转动杆的配合,使得钻头移动的过程中第二挡板持续的进行角度偏转,使得第二挡板可以有效的防护钻头产生的飞溅的石块。(The invention relates to the technical field of coal mining, and discloses a protective device for coal mine tunneling, which comprises a bottom plate, an operating mechanism and a tunneling mechanism, wherein the operating mechanism is arranged on the bottom plate; the tunneling mechanism comprises a second fixing plate arranged at one end of the bottom plate, one end, far away from the bottom plate, of the second fixing plate is rotatably connected with a rotating plate, one side, far away from the center of the device, of the rotating plate is provided with an air cylinder, a piston rod of the air cylinder is fixedly connected with a third fixing plate, and the middle of the third fixing plate is provided with a drill bit; the operating mechanism is arranged on one side, far away from the tunneling mechanism, of the bottom plate and comprises a sliding sleeve fixedly connected with the bottom plate, one side, far away from the bottom plate, of the sliding sleeve is connected with a sliding rod in a sliding mode, the end portion of the sliding rod is fixedly connected with an operating platform, and a first baffle is arranged on one side, close to the tunneling mechanism, of the operating platform. The protective device for coal mine tunneling is suitable for enabling the second baffle to continuously deflect at an angle in the process of moving the drill bit by arranging the fixed rod and the rotating rod in a matched mode, so that the second baffle can effectively protect splashed stones generated by the drill bit.)

1. A protective device for coal mine tunneling is characterized by comprising a bottom plate, an operating mechanism and a tunneling mechanism;

the tunneling mechanism comprises a second fixed plate arranged at one end of the bottom plate, one end, far away from the bottom plate, of the second fixed plate is rotatably connected with a rotating plate, one side, far away from the center of the device, of the rotating plate is provided with an air cylinder, a piston rod of the air cylinder is fixedly connected with a third fixed plate, the middle part of the third fixed plate is provided with a drill bit, one side, close to the rotating plate, of the third fixed plate is provided with a second guide rod in sliding connection with a rotating rod, one side, far away from the third fixed plate, of the second guide rod is provided with a fixed rod, one end, far away from the second fixed plate, of the rotating plate is provided with a rotating seat, the middle part of the rotating seat is rotatably connected with the rotating rod matched with the fixed rod, and one end, far away from the fixed rod, of the rotating rod is provided with a second baffle;

the operating mechanism is arranged on one side, far away from the tunneling mechanism, of the bottom plate and comprises a sliding sleeve fixedly connected with the bottom plate, one side, far away from the bottom plate, of the sliding sleeve is connected with a sliding rod in a sliding mode, the end portion of the sliding rod is fixedly connected with an operating platform, and a first baffle is arranged on one side, close to the tunneling mechanism, of the operating platform.

2. The coal mine tunneling protective device according to claim 1, wherein a first fixing plate is arranged at one end of the bottom plate far away from the second fixing plate, the middle parts of the first fixing plate and the second fixing plate are rotatably connected with the left end and the right end of the screw rod respectively, one side of the screw rod close to the second fixing plate is in threaded connection with a second sliding seat, one end of the second sliding seat far away from the bottom plate is rotatably connected with one end of the second supporting rod, and the other end of the second supporting rod is rotatably connected with the rotating plate.

3. A coal mine excavation protecting device according to claim 2, wherein one side of the screw rod, which is far away from the excavation mechanism, is in threaded connection with the first sliding seat, one side of the first sliding seat, which is far away from the bottom plate, is rotatably connected with one end of the first supporting rod, and the other end of the first supporting rod is rotatably connected with the operating platform.

4. A coal mine excavation protective device according to claim 3, wherein a first driving motor is arranged on the first fixing plate, an output shaft of the first driving motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the end portion of the screw rod.

5. A coal mine excavation protecting device according to claim 3, wherein a first guide rod is arranged between the second fixing plate and the first fixing plate, and two sides of the first guide rod are respectively connected with the first sliding seat and the second sliding seat in a sliding manner.

6. A coal mine tunnelling shield as claimed in claim 1, wherein auxiliary shield plates are provided on either side of the second shield plate.

7. A coal mine excavation protective device according to claim 1, wherein a second drive motor is provided on the third fixing plate, an output shaft of the second drive motor is fixedly connected with a third bevel gear, the third bevel gear is engaged with a fourth bevel gear, and the fourth bevel gear is fixedly connected with an end of a drill bit.

Technical Field

The invention relates to the technical field of coal mining, in particular to a protective device for coal mine tunneling.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine, when a coal seam is far away from the ground surface, coal is generally excavated to an underground excavation roadway, the mineworker coal mine is the mineworker coal mine, when the coal seam is very close to the ground surface, the direct stripping of a surface soil layer is generally selected to excavate the coal, the opencast coal mine is the opencast coal mine, most coal mines in China belong to the mineworker coal mine, the coal mine range comprises large areas of the ground, the underground and related facilities, and the coal mine is a reasonable space excavated by people when the coal-rich geological strata are excavated, and generally comprises a roadway, a well cave, an excavation face and the like.

However, during the excavation of the ore body by the heading machine, the splashed stones may cause personal injury, so that it is necessary to design a related protection device on the heading machine for effective protection of the operator.

Disclosure of Invention

The invention provides a protective device for coal mine tunneling, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a protective device for coal mine tunneling comprises a bottom plate, an operating mechanism and a tunneling mechanism;

the tunneling mechanism comprises a second fixed plate arranged at one end of the bottom plate, one end, far away from the bottom plate, of the second fixed plate is rotatably connected with a rotating plate, one side, far away from the center of the device, of the rotating plate is provided with an air cylinder, a piston rod of the air cylinder is fixedly connected with a third fixed plate, the middle part of the third fixed plate is provided with a drill bit, one side, close to the rotating plate, of the third fixed plate is provided with a second guide rod in sliding connection with a rotating rod, one side, far away from the third fixed plate, of the second guide rod is provided with a fixed rod, one end, far away from the second fixed plate, of the rotating plate is provided with a rotating seat, the middle part of the rotating seat is rotatably connected with the rotating rod matched with the fixed rod, and one end, far away from the fixed rod, of the rotating rod is provided with a second baffle;

the operating mechanism is arranged on one side, far away from the tunneling mechanism, of the bottom plate and comprises a sliding sleeve fixedly connected with the bottom plate, one side, far away from the bottom plate, of the sliding sleeve is connected with a sliding rod in a sliding mode, the end portion of the sliding rod is fixedly connected with an operating platform, and a first baffle is arranged on one side, close to the tunneling mechanism, of the operating platform.

As a preferable technical scheme of the invention, one end of the bottom plate, which is far away from the second fixing plate, is provided with a first fixing plate, the middle parts of the first fixing plate and the second fixing plate are respectively and rotatably connected with the left end and the right end of the screw rod, one side of the screw rod, which is close to the second fixing plate, is in threaded connection with a second sliding seat, one end of the second sliding seat, which is far away from the bottom plate, is rotatably connected with one end of the second supporting rod, and the other end of the second supporting rod is rotatably connected with the rotating plate.

As a preferable technical solution of the present invention, one side of the screw rod, which is far away from the tunneling mechanism, is in threaded connection with the first sliding seat, one side of the first sliding seat, which is far away from the bottom plate, is rotatably connected with one end of the first supporting rod, and the other end of the first supporting rod is rotatably connected with the operating console.

As a preferable technical scheme of the invention, a first driving motor is arranged on the first fixing plate, an output shaft of the first driving motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the end part of the screw rod.

As a preferable technical solution of the present invention, a first guide rod is disposed between the second fixing plate and the first fixing plate, and two sides of the first guide rod are slidably connected to the first sliding seat and the second sliding seat, respectively.

As a preferable technical solution of the present invention, auxiliary baffle plates are provided on both sides of the second baffle plate.

As a preferable technical scheme of the invention, a second driving motor is arranged on the third fixing plate, an output shaft of the second driving motor is fixedly connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, and the fourth bevel gear is fixedly connected with the end part of the drill bit.

The invention has the following advantages:

the protective device for coal mine tunneling is suitable for the protective device for coal mine tunneling, and the second baffle continuously deflects at an angle in the moving process of the drill bit through the matching of the fixed rod and the rotating rod, so that the second baffle can effectively protect splashed stones generated by the drill bit, and operators are protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a protective device for coal mine excavation.

Fig. 2 is a front view of a guard for coal mine excavation.

Fig. 3 is a schematic structural diagram of a tunneling mechanism in a protective device for coal mine tunneling.

Fig. 4 is a partially enlarged schematic view of a in fig. 3.

Fig. 5 is a schematic structural view of a protective device for coal mine excavation, in which a rotating rod is connected with a rotating plate.

Fig. 6 is a partially enlarged view of B in fig. 5.

In the figure: 1. a base plate; 2. a first fixing plate; 3. a first guide bar; 4. a sliding sleeve; 5. a slide bar; 6. a screw rod; 7. an operation table; 8. a first sliding seat; 9. a first support bar; 10. a first baffle plate; 11. a second sliding seat; 12. a second fixing plate; 13. a rotating plate; 14. a second support bar; 15. an auxiliary baffle; 16. a second bevel gear; 17. a first drive motor; 18. a first bevel gear; 19. a second guide bar; 20. fixing the rod; 21. rotating the rod; 22. a rotating seat; 23. a second baffle; 24. a cylinder; 25. a third fixing plate; 26. a drill bit; 27. a fourth bevel gear; 28. a third bevel gear; 29. a second drive motor; 30. an operating mechanism; 31. and (4) a tunneling mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In one embodiment, referring to fig. 1-5, a coal mine excavation protection device includes a base plate 1, an operating mechanism 30, and an excavation mechanism 31;

the tunneling mechanism 31 comprises a second fixing plate 12 arranged at one end of a bottom plate 1, the second fixing plate 12 is arranged at the right end of the bottom plate 1, one end, far away from the bottom plate 1, of the second fixing plate 12 is rotatably connected with a rotating plate 13, one side, far away from the center of the device, of the rotating plate 13 is provided with an air cylinder 24, the front end and the rear end of the right side of the rotating plate 13 are provided with the air cylinders 24, a piston rod of each air cylinder 24 is fixedly connected with a third fixing plate 25, the middle of the third fixing plate 25 is provided with a drill bit 26, one side, close to the rotating plate 13, of the third fixing plate 25 is provided with a second guide rod 19 in sliding connection with a rotating rod 21, one side, far away from the third fixing plate 25, of the second guide rod 19 is provided with a fixing rod 20, one end, far away from the second fixing plate 12, of the rotating plate 13 is provided with a rotating seat 22, the middle of the rotating seat 22 is rotatably connected with the rotating rod 21 matched with the fixing rod 20, and the left end of the rotating rod 21 is arranged at the lower part of the fixing rod 20, a second baffle plate 23 is arranged at one end of the rotating rod 21 far away from the fixed rod 20;

the operating mechanism 30 is arranged on one side of the bottom plate 1 far away from the tunneling mechanism 31 and comprises a sliding sleeve 4 fixedly connected with the bottom plate 1, one side of the sliding sleeve 4 far away from the bottom plate 1 is slidably connected with a sliding rod 5, the end part of the sliding rod 5 is fixedly connected with an operating platform 7, one side of the operating platform 7 close to the tunneling mechanism 31 is provided with a first baffle 10, four sliding sleeves 4 are symmetrically arranged on the left side of the bottom plate 1, the sliding sleeves 4 are slidably connected with the sliding rod 5, the top end of the sliding rod 5 is fixedly connected with the operating platform 7, and related operating equipment is arranged on the operating platform 7 and used for controlling the whole device.

In one aspect of this embodiment, referring to fig. 1-4, a first fixing plate 2 is disposed at an end of the bottom plate 1 away from the second fixing plate 12, middle portions of the first fixing plate 2 and the second fixing plate 12 are rotatably connected to left and right ends of the lead screw 6, a side of the lead screw 6 close to the second fixing plate 12 is threadedly connected to a second sliding seat 11, an end of the second sliding seat 11 away from the bottom plate 1 is rotatably connected to an end of a second supporting rod 14, and another end of the second supporting rod 14 is rotatably connected to the rotating plate 13. One side of the screw rod 6, which is far away from the tunneling mechanism 31, is in threaded connection with a first sliding seat 8, one side of the first sliding seat 8, which is far away from the bottom plate 1, is in rotational connection with one end of a first supporting rod 9, and the other end of the first supporting rod 9 is in rotational connection with an operating platform 7. The first fixing plate 2 is provided with a first driving motor 17, an output shaft of the first driving motor 17 is fixedly connected with a first bevel gear 18, the first bevel gear 18 is meshed with a second bevel gear 16, and the second bevel gear 16 is fixedly connected with the end part of the screw rod 6. The first driving motor 17 can drive the screw rod 6 to rotate, and the screw rod 6 can drive the first sliding seat 8 and the second sliding seat 11 to synchronously move left and right. A first guide rod 3 is arranged between the second fixing plate 12 and the first fixing plate 2, and two sides of the first guide rod 3 are respectively connected with the first sliding seat 8 and the second sliding seat 11 in a sliding manner. In order to make the movement of the first sliding seat 8 and the second sliding seat 11 more stable, a first guide rod 3 may be disposed at the front and rear sides of the device, and the first guide rod 3 is used for supporting the first sliding seat 8 and the second sliding seat 11.

In one aspect of this embodiment, referring to fig. 3, the auxiliary baffle 15 is disposed on two sides of the second baffle 23. The auxiliary baffle 15 is provided at both front and rear ends of the second baffle 23, and the auxiliary baffle 15 is provided downward so that the splashed stone is blocked at the side by the auxiliary baffle 15.

In one aspect of this embodiment, referring to fig. 6, a second driving motor 29 is disposed on the third fixing plate 25, an output shaft of the second driving motor 29 is fixedly connected to a third bevel gear 28, the third bevel gear 28 is engaged with a fourth bevel gear 27, and the fourth bevel gear 27 is fixedly connected to an end of the drill 26. The second driving motor 29 can drive the drill bit 26 to rotate through the meshed connection of the third bevel gear 28 and the fourth bevel gear 27, so that the ore body is processed by tunneling through the drill bit 26.

In the implementation process of the embodiment, firstly, the device is stably placed on the ground, and the drill bit 26 faces an ore body to be tunneled, at this time, an operator can stand on the operation table 7 to control the whole device, first, the first driving motor 17 is started, an output shaft of the first driving motor 17 drives the screw rod 6 to rotate through the first bevel gear 18 and the second bevel gear 16 which are connected in a meshed mode, the screw rod 6 drives the first sliding seat 8 and the second sliding seat 11 to move towards the right side, the first sliding seat 8 pushes the operation table 7 to move upwards through the first supporting rod 9, meanwhile, the second sliding seat 11 pushes the rotating plate 13 to rotate clockwise through the second supporting rod 14, when the rotating plate 13 rotates to a state perpendicular to the bottom plate 1, at this time, the first supporting rod 9 is just perpendicular to the bottom plate 1, at this time, the whole device completes preparation work and can perform excavation operation.

The second driving motor 29 is started, the second driving motor 29 drives the drill bit 26 to rotate at high speed by engaging and connecting the third bevel gear 28 and the fourth bevel gear 27, and the air cylinder 24 is started, the piston rod of the air cylinder 24 is extended, so that the third fixing plate 25 moves to the right, the third fixing plate 25 pushes the drill bit 26 to move to the right, so that the ore body is excavated by the drill 26 while the third fixing plate 25 pulls the second guide rod 19 to move to the right, the second guide rod 19 pushes the rotating rod 21 to rotate counterclockwise by the fixing rod 20, at which time the second blocking plate 23 rotates counterclockwise, thereby when making drill bit 26 to the right side removal, the position of excavation moves to the right side, and the stone angle that splashes out this moment changes, angle of adjustment that second baffle 23 can be timely for second baffle 23 can be all the time effectual protection stone that splashes.

After the whole device is used, the second driving motor 29 can be stopped, and the first driving motor 17 is driven reversely at the same time, so that the screw rod 6 drives the first sliding seat 8 and the second sliding seat 11 to move towards the left side, the first sliding seat 8 drives the operating platform 7 to move downwards through the first supporting rod 9, an operator can conveniently leave the whole device, meanwhile, the second sliding seat 11 pulls the rotating plate 13 to rotate anticlockwise through the second supporting rod 14, so that the drill bit 26 is arranged upwards, and the drill bit 26 is effectively protected.

The invention is suitable for a protective device for coal mine tunneling, and the second baffle 23 continuously deflects at an angle in the moving process of the drill bit 26 by arranging the matching of the fixed rod 20 and the rotating rod 21, so that the second baffle 23 can effectively protect splashed stones generated by the drill bit 26, and the protection of operators is realized.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.