CN219101384U

CN219101384U - Head-on protection device suitable for fully-mechanized coal mining rapid tunneling

Info

Publication number: CN219101384U
Application number: CN202320504062.0U
Authority: CN
Inventors: 丰云雷
Original assignee: Shandong Yankuang Design Consulting Co ltd
Current assignee: Shandong Yankuang Design Consulting Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-05-30
Anticipated expiration: 2033-03-11

Abstract

The utility model discloses a head-on protection device suitable for rapid tunneling of fully-mechanized coal mining, which comprises a bottom plate, wherein vertical plates are fixedly arranged at four corners of the upper end surface of the bottom plate, a top plate is arranged above the bottom plate, adjusting components for adjusting the front and rear positions of the top plate are arranged between the vertical plates, driving components for adjusting the width of the top plate are arranged at two symmetrical sides of the top plate, and rotating components for adjusting the angles of the top plate are arranged at two symmetrical sides of the bottom of the top plate; according to the utility model, the first oil cylinder is arranged to drive the protection plate to move under the cooperation of the first support seat and the second support seat, so that the protection plate is driven to shrink or expand, the protection width of the top plate is adjusted, the whole structure is simple, the operation and the use are convenient, the stability is good, the protection area can be selected according to the tunneling width, the construction requirements of different tunnel widths are met, the head-on sliding material can be effectively blocked, and the casualties are avoided.

Description

Head-on protection device suitable for fully-mechanized coal mining rapid tunneling

Technical Field

The utility model relates to the technical field of tunneling safety protection, in particular to a head-on protection device suitable for rapid tunneling of fully-mechanized coal mining.

Background

The geological condition abnormal areas such as faults are often revealed at the head of the tunneling, so that the roof side gangue is broken, roof fall and side caving risks are easy to occur, and danger is brought to the constructors at the head of the tunneling. The safety protection of the tunneling head is also a safety problem which is a long-term trouble for the tunneling profession of the coal mine,

the patent with the publication number of CN216305906U discloses a coal mine tunneling head-on safety protection device, which comprises a top net arranged on a top beam frame of a tunneling machine and a head-on protection net arranged on a head-on surface, wherein the top of the head-on protection net is suspended and connected on the top net, and the bottom of the head-on protection net is fixedly connected on head-on float coal.

However, the structure has the defects that the width of the head-on protection device cannot be freely adjusted, and therefore, the utility model provides the head-on protection device suitable for rapid tunneling of fully-mechanized coal mining, and the problems are solved by limiting the structure of the protection plate, the first oil cylinder and the like.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a head-on protection device suitable for fully-mechanized excavation and rapid tunneling of a coal mine, and solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a head-on protector suitable for colliery is fully mechanized coal mining and is tunneled fast, includes the bottom plate, the equal fixed mounting in bottom plate up end four corners has the riser, the roof is installed to the bottom plate top, install the adjusting part who adjusts the roof front and back position between the riser, the drive assembly who is used for adjusting the roof width is installed to roof symmetry both sides, the rotating assembly who adjusts roof angle is installed to roof bottom symmetry both sides.

The driving assembly comprises connecting plates fixedly mounted on two sides of the lower end face symmetry of the top plate, protection plates are rotatably connected to the bottoms of the two connecting plates through rotating shafts, first supporting seats are fixedly mounted on the inner sides of the protection plates, first oil cylinders are rotatably connected to the first supporting seats through rotating shafts, second supporting seats are fixedly mounted on two sides of the lower end face symmetry of the top plate, and the second supporting seats are rotatably connected to the other ends of the first oil cylinders through bearings.

Preferably, the adjusting component comprises a connecting rod fixedly installed between two vertical plates, two symmetrical two sides of the outer surface of the connecting rod are respectively and rotatably connected with a second oil cylinder, two symmetrical two sides of the outer surface of the right connecting rod are respectively and rotatably connected with a supporting arm, one side of each supporting arm is fixedly provided with a third supporting seat, the third supporting seats are rotatably connected with the other ends of the second oil cylinders through rotating shafts, one side of the bottom of the top plate is fixedly provided with a fourth supporting seat, and the fourth supporting seats are rotatably connected with the tops of the supporting arms through rotating shafts.

Preferably, the rotating assembly comprises a fifth supporting seat fixedly arranged at one side of the bottoms of the two supporting arms, a third oil cylinder is rotationally connected to the fifth supporting seat through a rotating shaft, a sixth supporting seat is fixedly arranged at two symmetrical sides of the bottom of the top plate, and the sixth supporting seat is rotationally connected to the other end of the third oil cylinder through the rotating shaft.

Preferably, the width of the protection plate is consistent with the width of the top plate.

Preferably, the length of the two risers on the left side is greater than the length of the two risers on the right side.

Preferably, a controller is installed on one side of the bottom plate, and the controller is electrically connected with the first oil cylinder, the second oil cylinder and the third oil cylinder.

Advantageous effects

The utility model provides a head-on protection device suitable for rapid tunneling of fully-mechanized coal mining. Compared with the prior art, the method has the following beneficial effects:

(1) According to the utility model, the first oil cylinder is arranged to drive the protection plate to move under the cooperation of the first support seat and the second support seat, so that the protection plate is driven to shrink or expand, the protection width of the top plate is adjusted, the whole structure is simple, the operation and the use are convenient, the stability is good, the protection area can be selected according to the tunneling width, the effect of effectively blocking the head-on sliding material can be achieved, and the casualties are avoided.

(2) According to the utility model, the second oil cylinder is started to drive the top plate on the supporting arm to move backwards or forwards, so that the front and back positions of the top plate are adjusted, and the third oil cylinder is started to drive the top plate to adjust the angle, so that multidirectional adjustment can be performed according to the tunneling environment, the reliability is high, the construction requirements of different roadway widths are met, and the operation of operators is facilitated.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a schematic view of an adjustment assembly of the present utility model;

FIG. 3 is a schematic diagram of a drive assembly of the present utility model;

fig. 4 is a schematic view of a rotating assembly of the present utility model.

1, a bottom plate; 2. a riser; 3. a top plate; 100. an adjustment assembly; 101. a connecting rod; 102. a second cylinder; 103. a support arm; 104. a third support base; 105. a fourth support base; 200. a drive assembly; 201. a connecting plate; 202. a protection plate; 203. a first support base; 204. a first cylinder; 205. a second support base; 300. a rotating assembly; 301. a fifth supporting seat; 302. a third cylinder; 303. and a sixth supporting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, a head-on protection device suitable for rapid tunneling of fully-mechanized coal mining comprises a bottom plate 1, vertical plates 2 are fixedly installed at four corners of the upper end face of the bottom plate 1, a top plate 3 is installed above the bottom plate 1, an adjusting assembly 100 for adjusting the front and rear positions of the top plate 3 is installed between the vertical plates 2, driving assemblies 200 for adjusting the width of the top plate 3 are installed on two symmetrical sides of the top plate 3, and rotating assemblies 300 for adjusting the angle of the top plate 3 are installed on two symmetrical sides of the bottom of the top plate 3.

The drive assembly 200 includes the connecting plate 201 of fixed mounting in terminal surface symmetry both sides under roof 3, two connecting plate 201 bottoms all are connected with guard plate 202 through the pivot rotation, two guard plate 202 inboard equal fixed mounting have first supporting seat 203, all be connected with first hydro-cylinder 204 through the pivot rotation on two first supporting seats 203, first hydro-cylinder 204 input is through external cable connection battery, terminal surface symmetry both sides fixed mounting has second supporting seat 205 under the roof 3, the last bearing rotation connection of second supporting seat 205 is at first hydro-cylinder 204 other end, can effectually be with the width of adjusting roof 3 through the drive assembly 200 that sets up, when the width of roof 3 needs to be adjusted, drive guard plate 202 through starting first hydro-cylinder 204 and rotate, thereby adjust the width of roof 3.

Embodiment two:

referring to fig. 1-4, the present embodiment provides a technical solution based on the first embodiment: the adjusting component 100 comprises a connecting rod 101 fixedly installed between two vertical plates 2, two symmetrical sides of the outer surfaces of the two connecting rods 101 are respectively and rotatably connected with a second oil cylinder 102, the input end of the second oil cylinder 102 is connected with a storage battery through an external cable, two symmetrical sides of the outer surfaces of the right connecting rods 101 are respectively and rotatably connected with a supporting arm 103, one side of each supporting arm 103 is fixedly provided with a third supporting seat 104, each third supporting seat 104 is rotatably connected with the other end of the second oil cylinder 102 through a rotating shaft, one side of the bottom of a top plate 3 is symmetrically and fixedly provided with a fourth supporting seat 105, the fourth supporting seats 105 are rotatably connected to the tops of the supporting arms 103 through rotating shafts, the front and rear protection positions of the top plate 3 can be effectively adjusted through the adjusting component 100, and when the front and rear protection positions of the top plate 3 are required to be adjusted, the second oil cylinder 102 is started to drive the supporting arms 103 to rotate on the right connecting rods 101, so that the front and rear protection positions of the top plate 3 are adjusted.

The rotating assembly 300 comprises a fifth supporting seat 301 fixedly installed on one side of the bottoms of two supporting arms 103, a third oil cylinder 302 is rotatably connected to the fifth supporting seat 301 through a rotating shaft, the input end of the third oil cylinder 302 is connected with a storage battery through an external cable, a sixth supporting seat 303 is fixedly installed on two symmetrical sides of the bottom of a top plate 3, the sixth supporting seat 303 is rotatably connected to the other end of the third oil cylinder 302 through the rotating shaft, the width of a protection plate 202 is consistent with the width of the top plate 3, the lengths of two vertical plates 2 on the left side are higher than the lengths of two vertical plates 2 on the right side, a controller is installed on one side of a bottom plate 1, and the controller is electrically connected with the first oil cylinder 204, the second oil cylinder 102 and the third oil cylinder 302.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, firstly, according to the width of a coal mine tunnel, the first oil cylinder 204 is started to drive the protection plate 202 to rotate through the controller, so that the width of the top plate 3 is adjusted, then the second oil cylinder 102 is started to drive the support arm 103 to rotate on the right connecting rod 101, so that the front and rear protection positions of the top plate 3 are adjusted, and then the third oil cylinder 302 drives the top plate 3 to rotate, so that the angle of the top plate 3 is adjusted, the construction requirements of different tunnel widths are met, and the operation of operators is facilitated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a head-on protector suitable for colliery is fully mechanized coal mining and is tunneled fast, includes bottom plate (1), its characterized in that: the four corners of the upper end face of the bottom plate (1) are fixedly provided with vertical plates (2), a top plate (3) is arranged above the bottom plate (1), adjusting assemblies (100) for adjusting the front and back positions of the top plate (3) are arranged between the vertical plates (2), driving assemblies (200) for adjusting the width of the top plate (3) are arranged on the symmetrical two sides of the top plate (3), and rotating assemblies (300) for adjusting the angle of the top plate (3) are arranged on the symmetrical two sides of the bottom of the top plate (3);

the driving assembly (200) comprises connecting plates (201) fixedly installed on two sides of the lower end face symmetry of the top plate (3), protection plates (202) are rotatably connected to the bottoms of the two connecting plates (201) through rotating shafts, first supporting seats (203) are fixedly installed on the inner sides of the protection plates (202), first oil cylinders (204) are rotatably connected to the first supporting seats (203) through rotating shafts, second supporting seats (205) are fixedly installed on two sides of the lower end face symmetry of the top plate (3), and the second supporting seats (205) are rotatably connected to the other ends of the first oil cylinders (204) through bearings.

2. The head-on protection device for fully-mechanized rapid tunneling of coal mine according to claim 1, wherein: the adjusting component (100) comprises a connecting rod (101) fixedly installed between two vertical plates (2), two symmetrical two sides of the outer surface of the connecting rod (101) are respectively and rotatably connected with a second oil cylinder (102), two symmetrical two sides of the outer surface of the right connecting rod (101) are respectively and rotatably connected with a supporting arm (103), two sides of the supporting arms (103) are fixedly provided with a third supporting seat (104), the third supporting seat (104) is rotatably connected with the other end of the second oil cylinder (102) through a rotating shaft, one side of the bottom of the top plate (3) is symmetrically and fixedly provided with a fourth supporting seat (105), and the fourth supporting seat (105) is rotatably connected to the top of the supporting arm (103) through a rotating shaft.

3. The head-on protection device for fully-mechanized rapid tunneling of coal mine according to claim 1, wherein: the rotating assembly (300) comprises a fifth supporting seat (301) fixedly arranged on one side of the bottoms of the two supporting arms (103), a third oil cylinder (302) is rotatably connected to the fifth supporting seat (301) through a rotating shaft, a sixth supporting seat (303) is fixedly arranged on two symmetrical sides of the bottom of the top plate (3), and the sixth supporting seat (303) is rotatably connected to the other end of the third oil cylinder (302) through the rotating shaft.

4. The head-on protection device for fully-mechanized rapid tunneling of coal mine according to claim 1, wherein: the width of the protection plate (202) is consistent with the width of the top plate (3).

5. The head-on protection device for fully-mechanized rapid tunneling of coal mine according to claim 1, wherein: the length of the two risers (2) on the left side is higher than the length of the two risers (2) on the right side.

6. The head-on protection device for fully-mechanized rapid tunneling of coal mine according to claim 1, wherein: a controller is arranged on one side of the bottom plate (1), and the controller is electrically connected with the first oil cylinder (204), the second oil cylinder (102) and the third oil cylinder (302).