CN211448677U

CN211448677U - Safety device for coal mining

Info

Publication number: CN211448677U
Application number: CN201922406687.XU
Authority: CN
Inventors: 李恒; 马志; 蔡鸣鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-08
Anticipated expiration: 2029-12-27
Also published as: WO2021129434A1

Abstract

The utility model discloses a safety device for coal mining, the postnotum that is connected with elasticity braces rope including the side, the postnotum upper end is connected with the protection roof, the postnotum rear end is connected with the oxygen cylinder, the oxygen cylinder is connected with the oxygen mask through flexible hose, the postnotum is opened the chisel from bottom to top and is had the cavity, and be equipped with the inner panel in the cavity, be connected with a plurality of compression spring between the top in inner panel and the cavity, postnotum side lower extreme is connected with manual release mechanism, protection roof downside is equipped with the safety helmet, and be connected with the stretch cord between safety helmet and the protection roof, manual release mechanism includes stopper and extension spring, postnotum side lower extreme is dug there is the slide opening, the stopper is arranged in the slide opening, inner panel side lower extreme is dug. The utility model discloses simple structure, convenient operation makes the safety protection structure that backplate, inner panel and protection roof are constituteed supply to execute workman's personnel in time to keep away the danger through the manual release mechanism who sets up.

Description

Safety device for coal mining

Technical Field

The utility model relates to a colliery safety device technical field especially relates to a safety device for coal mining.

Background

Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, when a coal seam is far away from the ground surface, coal mining to underground excavation tunnels is generally selected, the coal mining is the underground coal mines, when the distance between the coal seam and the ground surface is very close, coal mining by directly stripping a surface soil layer is generally selected, the coal mining is the opencast coal mines, and safety accidents frequently occur in the coal mining process, so that serious economic loss is brought. When the coal mine accident happens, it is particularly important to ensure that the personal safety of workers is not influenced, and therefore, the safety protection device for coal mine construction is very important, can protect workers and prevent accidents.

Generally, coal mining workers are provided with a simple safety helmet for each person, the protective device can only protect the head from being injured by the smashed ore, and the protective device is directly worn on the head, when the smashed ore is smashed, the head is vibrated to a certain degree and is injured to the human body, the head is in a coal mine for a long time, toxic gas in the coal mine has great harm to the human body, and the health and the working efficiency of the coal mining workers are affected.

In order to improve the problems, the Chinese patent No. CN209451171U discloses a coal mining safety protection device, which can be adjusted according to the height of an individual, a protection plate is not in direct contact with a human body, even if the ore is smashed, the human body cannot be injured, and a shock insulation protection shell is arranged on the protection plate, so that the damage of the ore to the device can be reduced, meanwhile, a gas mask and a replaceable oxygen tank are arranged on the device, on one hand, the suction of coal gas can be avoided, and the work efficiency is improved due to the health of the human body.

The device can protect the heads of workers when ores fall, but for coal mine collapse accidents, the device cannot well protect the safety of the workers, and the workers cannot shelter in time when the ores collapse.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety protection device for coal mining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the safety protection device for coal mining comprises a back plate, wherein an elastic strap rope is connected to the side end of the back plate, a protection top plate is connected to the upper end of the back plate, an oxygen tank is connected to the rear end of the back plate, the oxygen tank is connected with an oxygen mask through a flexible hose, a cavity is formed in the back plate from bottom to top, an inner plate is arranged in the cavity, a plurality of compression springs are connected between the inner plate and the top of the cavity, a manual unlocking mechanism is connected to the lower end of the back plate side, a safety helmet is arranged on the lower side of the protection top plate, and an elastic rope is connected between the safety helmet and the protection top.

Preferably, the manual unlocking mechanism comprises a limiting block and an extension spring, a sliding hole is formed in the lower end of the back plate side, the limiting block is located in the sliding hole, a groove matched with the end portion of the limiting block is formed in the lower end of the inner plate side in a chiseling mode, and the extension spring is connected between the limiting block and the inner wall of the sliding hole.

Preferably, the limiting block side is connected with a torsion spring, the limiting block is connected with a limiting rod through the torsion spring, and a containing groove matched with the limiting rod is formed in the limiting block in a chiseled mode.

Preferably, a plurality of connecting holes matched with the elastic shoulder strap ropes are formed in the lateral end of the back plate in a chiseled mode.

Preferably, the lower end of the protective top plate is connected with an illuminating lamp, and the front end of the safety helmet is also connected with the illuminating lamp.

Preferably, the elastic rope upper end is connected with the thread bush, protection roof lower extreme is dug and is had a plurality of thread grooves that match with the thread bush.

Compared with the prior art, the utility model provides a safety device for coal mining possesses following beneficial effect:

1. through the inner panel, compression spring and the manual release mechanism that set up, when meetting the colliery accident of collapsing, constructor can manual outside pull out the stopper, and the inner panel pops out downwards under compression spring's effect, increases whole protector's area, and the safety protection structure that backplate, inner panel and protection roof are constituteed supplies the workman of executing in time to keep away the danger.

2. Through connecting torsional spring and gag lever post at the stopper side, outwards take out the stopper back, the gag lever post rotates ninety degrees under the effect of torsional spring, prevents that the stopper from reseing under extension spring's elasticity, guarantees that the inner panel pops out smoothly, rapidly downwards under compression spring's effect.

3. Through connecting the thread bush in the stretch cord upper end, a plurality of thread grooves that match with the thread bush are dug to protection roof lower extreme, make things convenient for the constructor to adjust the position of safety helmet according to actual need.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation makes the safety protection structure that backplate, inner panel and protection roof are constituteed supply the workman to carry out in time to keep away the danger through the manual release mechanism who sets up.

Drawings

Fig. 1 is a schematic structural view of a safety protection device for coal mining during the expansion process of the safety protection device;

fig. 2 is a schematic structural view of the safety protection device for coal mining in an initial state according to the present invention;

fig. 3 is a schematic structural view of the safety protection device for coal mining according to the present invention at an initial state of the limiting block;

fig. 4 is a schematic structural view of the safety device for coal mining according to the present invention, in which the position of the position-limiting block is limited;

fig. 5 is the utility model provides a structural schematic diagram of safety device's inner panel department for coal mining.

In the figure: 1-rear back plate, 2-elastic back strap rope, 3-protective top plate, 4-connecting hole, 5-inner plate, 6-oxygen tank, 7-oxygen mask, 8-limiting block, 9-safety helmet, 10-thread groove, 11-lighting lamp, 12-thread sleeve, 13-extension spring, 14-limiting rod, 15-accommodating groove, 16-torsion spring and 17-compression spring.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, fig. 2 and fig. 5, a safety device for coal mining, backplate 1 including the side is connected with elasticity braces rope 2, backplate 1 upper end is connected with protection roof 3, backplate 1 rear end is connected with oxygen tank 6, oxygen tank 6 is connected with oxygen mask 7 through flexible hose, backplate 1 has the cavity from bottom to top to open, and be equipped with inner panel 5 in the cavity, be connected with a plurality of compression spring 17 between inner panel 5 and the cavity inner top, backplate 1 side lower extreme is connected with manual release mechanism, protection roof 3 downside is equipped with safety helmet 9, and be connected with the stretch cord between safety helmet 9 and the protection roof 3, can avoid the weight of the whole cap body to press constructor's head, be favorable to protecting the head, and the setting of stretch cord still is convenient for the constructor to wear the activity of head in the safety helmet 9 working process.

Referring to fig. 3 and 4, the utility model discloses in, manual release mechanism includes stopper 8 and

extension spring

13, and 1 side lower extreme of backplate is excavated there is the slide opening, and stopper 8 is arranged in the slide opening, and the 5 side lower extremes of inner panel are excavated have with 8 tip assorted recesses of stopper, and extension spring 13 is connected between stopper 8 and slide opening inner wall.

Referring to fig. 3 and 4, the side end of the limit block 8 is connected with a torsion spring 16, the limit block 8 is connected with a limit rod 14 through the torsion spring 16, the limit block 8 is provided with a containing groove 15 matched with the limit rod 14, after the limit block 8 is outwards pulled out, the limit rod 14 rotates ninety degrees under the action of the torsion spring 16, the limit block 8 is prevented from resetting under the elasticity of the extension spring 13, and the inner plate 5 is ensured to be smoothly and rapidly popped out downwards under the action of the compression spring 17.

Referring to fig. 1 and 2, a plurality of connecting holes 4 matched with the elastic strap ropes 2 are drilled at the side ends of the rear back plate 1, so that different users can adjust the elastic strap ropes 2 according to their own needs.

Referring to fig. 1 and 2, the lower end of the protective top plate 3 is connected with an illuminating lamp 11, the front end of the safety helmet 9 is also connected with the illuminating lamp 11, and the illuminating effect is good.

The working principle is as follows: when encountering coal mine collapse accidents, constructors can manually pull out the limiting block 8, so that the end part of the limiting block 8 is separated from the groove at the side end of the inner plate 5, the inner plate 5 is popped out downwards under the action of the compression spring 17, the area of the whole protection device is increased, namely, the area of safety protection is increased, and a safety protection structure consisting of the backboard 1, the inner plate 5 and the protection top plate 3 is provided for constructors to avoid risks in time.

Example 2

Referring to fig. 1-3, in the present embodiment, compared with embodiment 1, the upper end of the elastic rope is connected with a threaded sleeve 12, and the lower end of the protective roof 3 is provided with a plurality of threaded grooves 10 matched with the threaded sleeve 12.

The working principle is as follows: the constructor can adjust the position of the safety helmet 9 according to actual needs, namely unscrew the thread bush 12 and then screw the thread bush 12 into the thread groove 10 at the required position.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a safety device for coal mining, is connected with postnotum (1) of elasticity braces rope (2) including the side, postnotum (1) upper end is connected with protection roof (3), postnotum (1) rear end is connected with oxygen jar (6), oxygen jar (6) are connected with oxygen mask (7) through flexible hose, a serial communication port, postnotum (1) is opened the chisel from bottom to top and is had the cavity, and is equipped with inner panel (5) in the cavity, be connected with a plurality of compression spring (17) between inner panel (5) and the cavity roof, postnotum (1) side lower extreme is connected with manual release mechanism, protection roof (3) downside is equipped with safety helmet (9), and is connected with the stretch cord between safety helmet (9) and protection roof (3).

2. The safety device for coal mining according to claim 1, characterized in that the manual unlocking mechanism comprises a limiting block (8) and an extension spring (13), a sliding hole is formed in the lower end of the side of the backboard (1), the limiting block (8) is located in the sliding hole, a groove matched with the end part of the limiting block (8) is formed in the lower end of the side of the inner plate (5), and the extension spring (13) is connected between the limiting block (8) and the inner wall of the sliding hole.

3. The safety device for coal mining according to claim 2, characterized in that a torsion spring (16) is connected to the side end of the limit block (8), a limit rod (14) is connected to the limit block (8) through the torsion spring (16), and a receiving groove (15) matched with the limit rod (14) is formed in the limit block (8) in a chiseled mode.

4. A safety shield for coal mining according to claim 1, wherein the rear back plate (1) is provided at its lateral ends with a plurality of connecting holes (4) for mating with the elastic strap ropes (2).

5. A safety device for coal mining according to claim 1, characterized in that the lower end of the protective roof (3) is connected with a lighting lamp (11), and the front end of the safety helmet (9) is also connected with the lighting lamp (11).

6. A safety shield for coal mining according to any one of claims 1 to 5, wherein the upper end of the elastic cord is connected with a threaded sleeve (12), and the lower end of the shield top plate (3) is provided with a plurality of threaded grooves (10) matched with the threaded sleeve (12).