CN217270273U

CN217270273U - Coal mining tunneling and shielding device

Info

Publication number: CN217270273U
Application number: CN202220347588.8U
Authority: CN
Inventors: 梁毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-23
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to a safety protection technical field, concretely relates to coal mine is with exploitation tunnelling shield device, including two mounts, it is a plurality of fixedly connected with roof between the top surface of stay tube, fixed the cup jointing has the connecting plate between the lateral wall of a plurality of stay tubes, the bottom surface of connecting plate is provided with the bottom plate. The utility model discloses in, be provided with the bottom plate through the bottom surface at the connecting plate, the top surface embedding of bottom plate has two horizontal poles, when the roof fall takes place in the tunnel, the ore that sinks extrudees the roof, make the roof take place deformation, thereby pass the blade downwards, cut two nylon ropes, after losing the support of nylon rope, the bottom plate drops downwards, make the bottom surface of bottom plate and the top surface contact of limiting plate, support the bottom plate, make when the roof fall accident takes place, the top support part is pressed the back absolutely, still can support the thing of collapsing at top, make the tunnel can't be stopped up, constructor can withdraw safely, facilitate the use.

Description

Coal mining tunneling and shielding device

Technical Field

The utility model relates to a safety protection technical field, concretely relates to coal mine is with exploitation tunnelling shield device.

Background

In the coal mining process, in order to prevent roof collapse accidents, supports with corresponding specifications are usually required to be arranged to support the top wall of the internal passage of the mine, so as to prevent safety accidents caused by collapse of the roof of the mine.

When the existing support is in roof fall accidents, part of the existing support can be broken by ores to bury the top support part, so that the tunnel is directly blocked, collapsed objects at the top end of the tunnel cannot be temporarily supported, and an emergency evacuation space is temporarily reserved, so that the existing support is inconvenient to use due to the time of reaction and evacuation of constructors.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model provides a coal mine is with exploitation tunnelling shield device.

The purpose of the utility model can be realized by the following technical scheme:

the mining tunneling shield device for the coal mine comprises two fixing frames, wherein crawler wheels are fixedly connected to the bottom surfaces of the fixing frames, a plurality of hydraulic rods are fixedly connected to the top surfaces of the fixing frames, limiting plates are fixedly sleeved on the outer side walls of the hydraulic rods, supporting tubes are fixedly sleeved on the top ends of the hydraulic rods, a top plate is fixedly connected between the top surfaces of the supporting tubes, a fixing block is fixedly connected to the bottom surface of the top plate, blades are fixedly connected to the bottom surface of the fixing block, a connecting plate is fixedly sleeved between the outer side walls of the supporting tubes, a limiting block is fixedly connected to the top surface of the connecting plate, a bottom plate is arranged on the bottom surface of the connecting plate, two transverse rods are embedded into the top surface of the bottom plate, nylon ropes are fixedly sleeved between ends, which are opposite to each other, of the two transverse rods respectively, and intersect at the top surfaces of the limiting block, the top surface fixedly connected with backup pad of bottom plate, when the roof fall takes place in the tunnel, the ore that sinks extrudees the roof for the roof takes place to deform, thereby passes the blade downwards, cuts two nylon ropes, and after losing the support of nylon rope, the bottom plate drops downwards, makes the bottom surface of bottom plate and the top surface contact of limiting plate, supports the bottom plate.

The method is further characterized in that: the interior top surface fixedly connected with a plurality of tripods of backup pad can support the backup pad, improves the bearing capacity of backup pad.

Further, the method comprises the following steps: the top surface of bottom plate is located the both ends of horizontal pole and has seted up the through wires hole, makes things convenient for the nylon rope to pass the through wires hole and twine the horizontal pole fixedly.

Further, the method comprises the following steps: the bottom surface fixedly connected with cystosepiment of bottom plate can protect constructor's head.

Further, the method comprises the following steps: the interior top surface fixedly connected with a plurality of connecting pipes of connecting plate, fixedly connected with reset spring between the interior top surface of connecting pipe and the top surface of bottom plate can cushion the whereabouts of bottom plate.

Further, the method comprises the following steps: the horizontal pole is made for the rigidity metal, can strengthen the bearing capacity of bottom plate, withdraws for constructor and strives for the time.

Further, the method comprises the following steps: the mount is hollow casing, two the equal hinge in two adjacent sides of mount has the trapdoor, and the mount is inside to be provided with emergency rescue tools such as flashlight, can provide corresponding instrument when constructor promptly withdraws.

The utility model has the advantages that:

1. the bottom plate is arranged on the bottom surface of the connecting plate, the two cross rods are embedded in the top surface of the bottom plate, when the roof fall of the tunnel occurs, the collapsed ore extrudes the top plate, the top plate is deformed, the blade is pushed downwards to cut the two nylon ropes, the bottom plate falls downwards after the nylon ropes are not supported, the bottom surface of the bottom plate is contacted with the top surface of the limiting plate, the bottom plate is supported, so that when the roof fall accident occurs, the top supporting part can still support collapsed objects at the top for a period of time after being pressed off, the tunnel can temporarily leave an emergency evacuation space, reaction and evacuation time is provided for constructors, and the tunnel is convenient to use;

2. through a plurality of connecting pipes of interior top surface fixedly connected with at the connecting plate, fixedly connected with reset spring between the interior top surface of connecting pipe and the top surface of bottom plate, if constructor takes place the roof fall incident when the tunnel is inside, can cushion the whereabouts of bottom plate, prevent to be injured constructor, facilitate the use.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the bottom structure of the middle top plate of the present invention;

FIG. 3 is a schematic view of the top structure of the middle connection plate of the present invention;

FIG. 4 is a schematic view of the top structure of the middle bottom plate of the present invention;

FIG. 5 is a schematic view of the bottom structure of the middle bottom plate of the present invention;

fig. 6 is a schematic view of the bottom structure of the middle support plate of the present invention;

fig. 7 is a schematic structural view of the middle connection plate of the present invention.

In the figure: 1. a fixed mount; 11. a crawler wheel; 12. a hydraulic lever; 13. a limiting plate; 14. supporting a tube; 2. a top plate; 21. a fixed block; 22. a blade; 3. a connecting plate; 31. a limiting block; 32. a connecting pipe; 33. a return spring; 4. a base plate; 41. a cross bar; 42. a support plate; 421. a tripod; 43. threading holes; 44. a foam board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, a coal mining, tunneling and shielding device comprises two fixing frames 1, a crawler wheel 11 is fixedly connected to the bottom surface of the fixing frame 1, a plurality of hydraulic rods 12 are fixedly connected to the top surface of the fixing frame 1, a limiting plate 13 is fixedly sleeved on the outer side wall of the plurality of hydraulic rods 12, supporting tubes 14 are fixedly sleeved on the top ends of the plurality of hydraulic rods 12, a top plate 2 is fixedly connected between the top surfaces of the plurality of supporting tubes 14, a fixing block 21 is fixedly connected to the bottom surface of the top plate 2, a blade 22 is fixedly connected to the bottom surface of the fixing block 21, a connecting plate 3 is fixedly sleeved between the outer side walls of the plurality of supporting tubes 14, a limiting block 31 is fixedly connected to the top surface of the connecting plate 3, a bottom plate 4 is arranged on the bottom surface of the connecting plate 4, two cross rods 41 are embedded in the top surface of the bottom plate 4, wherein nylon ropes are respectively fixedly sleeved between the ends of the two cross rods 41 which are far away from each other, and two nylon ropes intersect in the top surface of stopper 31, and the top surface fixedly connected with backup pad 42 of bottom plate 4, when the roof fall takes place in the tunnel, the ore that sinks extrudes roof 2 for roof 2 takes place to be deformed, thereby pass blade 22 downwards, cut two nylon ropes, after losing the support of nylon rope, bottom plate 4 drops downwards, makes the bottom surface of bottom plate 4 and the top surface contact of limiting plate 13, supports bottom plate 4.

The inner top surface of the supporting plate 42 is fixedly connected with a plurality of tripods 421, so that the supporting plate 42 can be supported, and the bearing capacity of the supporting plate 42 is improved. The top surface of bottom plate 4 is located the both ends of horizontal pole 41 and has seted up through wires hole 43, makes things convenient for the nylon rope to pass through wires hole 43 and twines horizontal pole 41 fixedly. The bottom surface of bottom plate 4 is fixedly connected with cystosepiment 44, can protect constructor's head.

A plurality of connecting pipes 32 are fixedly connected to the inner top surface of the connecting plate 3, and a return spring 33 is fixedly connected between the inner top surface of the connecting pipe 32 and the top surface of the bottom plate 4, so that the falling of the bottom plate 4 can be buffered. The cross bars 41 are made of rigid metal, so that the bearing capacity of the bottom plate 4 can be enhanced, and time is won for evacuation of constructors. Mount 1 is hollow casing, and two adjacent side of two mount 1 hinges all has the trapdoor, and mount 1 is inside to be provided with emergency rescue tools such as flashlight, can provide corresponding instrument when constructor promptly withdraws.

The working principle is as follows: when the roof fall accident takes place in the tunnel, the ore that sinks extrudees roof 2, make roof 2 take place deformation, thereby pass blade 22 downwards, cut two nylon ropes, after losing the support of nylon rope, bottom plate 4 drops downwards, slowly fall under a plurality of reset spring 33's drawing, make the bottom surface of bottom plate 4 and the top surface contact of limiting plate 13, support bottom plate 4, if the ore breaks roof 2 and connecting plate 3, under the auxiliary stay of horizontal pole 41 with backup pad 42, bottom plate 4 still can support the ore at its top, constructor can follow bottom plate 4 below and promptly withdraw the tunnel, the cystosepiment 44 of bottom plate 4 bottom can be injured with bottom plate 4 to the head that prevents constructor, when the special case, constructor can open the supply door on the mount 1, take out emergency rescue instrument and use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and it is intended that all such modifications, additions and substitutions as would be apparent to one skilled in the art to the specific embodiments described are within the scope of the invention as claimed.

Claims

1. The mining, tunneling and shielding device for the coal mine comprises two fixing frames (1), wherein crawler wheels (11) are fixedly connected to the bottom surfaces of the fixing frames (1), a plurality of hydraulic rods (12) are fixedly connected to the top surfaces of the fixing frames (1), and the mining, tunneling and shielding device is characterized in that a limiting plate (13) is fixedly sleeved on the outer side wall of each of the plurality of hydraulic rods (12), a plurality of supporting tubes (14) are fixedly sleeved on the top ends of the plurality of hydraulic rods (12), a top plate (2) is fixedly connected between the top surfaces of the plurality of supporting tubes (14), a fixing block (21) is fixedly connected to the bottom surface of the top plate (2), blades (22) are fixedly connected to the bottom surface of the fixing block (21), a connecting plate (3) is fixedly sleeved between the outer side walls of the plurality of supporting tubes (14), a limiting block (31) is fixedly connected to the top surface of the connecting plate (3), and a bottom plate (4) is arranged on the bottom surface of the connecting plate (3), the top surface embedding of bottom plate (4) has two horizontal poles (41), and wherein, fixed cover respectively between the one end that two horizontal poles (41) deviate from mutually has connect the nylon rope, and two nylon ropes intersect in the top surface of stopper (31), the top surface fixedly connected with backup pad (42) of bottom plate (4).

2. A mining excavation shield apparatus for a coal mine according to claim 1, wherein a plurality of tripods (421) are fixedly attached to an inner top surface of the support plate (42).

3. A mining tunnelling shield as claimed in claim 1, in which the top of the floor (4) at the ends of the crossbar (41) is provided with threaded holes (43).

4. A coal mining excavation shield apparatus according to claim 1, wherein a foam panel (44) is fixedly attached to the underside of the floor (4).

5. A coal mining excavation shield apparatus according to claim 1, wherein a plurality of connecting pipes (32) are fixedly connected to the inner top face of the connecting plate (3), and a return spring (33) is fixedly connected between the inner top face of the connecting pipe (32) and the top face of the floor (4).

6. A mining excavation shield according to claim 1, wherein the cross-bar (41) is of a rigid metal.

7. A mining tunnelling shield arrangement as claimed in claim 1, wherein the mounting bracket (1) is a hollow housing, and trap doors are hinged to adjacent sides of the two mounting brackets (1).