CN219934816U

CN219934816U - Mine rock burst protection device

Info

Publication number: CN219934816U
Application number: CN202321743966.5U
Authority: CN
Inventors: 游显德; 付继兵; 熊超武
Original assignee: Hubei Chuangsheng Engineering Design Co ltd
Current assignee: Hubei Chuangsheng Engineering Design Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-31
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a mine rock burst protection device, which relates to the field of protection equipment and comprises a bottom plate, wherein an L-shaped fixed plate is arranged on the top surface of the bottom plate, a plurality of first dampers are arranged on the left side surface of the fixed plate, the left ends of the first dampers are fixedly connected with protection plates, a plurality of first springs are sleeved on the first dampers, a plurality of second dampers are arranged on the top surface of the fixed plate, a top plate is arranged at the upper end of the second dampers, two movable plates are hinged on the bottom surface of the top plate, and a plurality of second springs are arranged between the two movable plates. According to the utility model, the fixing plate, the protection plate, the first damper and the first spring are arranged, so that broken stone can be prevented from striking a worker from the left side after rock burst; through setting up roof, second attenuator, fly leaf and second spring, can avoid the rock burst back rubble to smash to the staff from the top to reduce the harm of rock burst back rubble to the staff.

Description

Mine rock burst protection device

Technical Field

The utility model relates to the field of protective equipment, in particular to a mine rock burst protective device.

Background

The rock burst refers to a deep part of underground mining or a region with high structural stress, and sudden damage occurs in a temporary rock mass, wherein the phenomenon occurs because strain energy accumulated by the temporary rock mass is suddenly and violently released, so that the rock mass is subjected to brittle fracture like explosion, a large amount of rock is burst due to rock burst, and huge sound and air wave impact are generated, so that rock fragments are peeled off and burst from the rock mass, and the safety of a user is damaged.

The traditional Chinese patent with the publication number of CN213743504U discloses a protection device for tunnel construction rock burst, and the protection device for tunnel construction rock burst has the advantages that the protection angle of the first protection plate is comprehensive, the protection performance is good, the third protection plate and the second protection plate are mutually separated through a plurality of separation plates, the damping effect is achieved, a handle is convenient for a user to take the buffer plate, and the energy generated by collision is absorbed step by step through a multi-stage damping mechanism, so that the harm of broken stone to staff after rock burst is reduced.

However, the technical scheme has the following defects: only the broken stone impact from the left side can be protected, broken stone falling from the top can not be blocked, and the improvement is needed.

Disclosure of Invention

The utility model aims to provide a mine rock burst protection device so as to solve at least one technical problem.

The utility model aims to solve the technical problems, and is realized by adopting the following technical scheme:

the utility model provides a mine rock burst protector, includes the bottom plate, install the fixed plate of L shape on the top surface of bottom plate, install a plurality of first dampers on the left surface of fixed plate, a plurality of the left end fixedly connected with guard plate of first damper, a plurality of all overlap on the first damper and be equipped with first spring, install a plurality of second dampers on the top surface of fixed plate, a plurality of the roof is installed to the upper end of second damper, articulated on the bottom surface of roof have two fly leaf, two install a plurality of second springs between the fly leaf.

Preferably, the movable plate is provided with a cross rod, the cross rod is rotatably provided with a plurality of rollers, and the rollers are contacted with the top surface of the fixed plate.

Preferably, two support rods are arranged on the top surface of the bottom plate, and the upper ends of the two support rods are fixedly connected with the fixing plate.

Preferably, the fixing plate is provided with a first transparent window in a penetrating manner, the protection plate is provided with a second transparent window in a penetrating manner, and the second transparent window is positioned on the right left side of the first transparent window.

Preferably, an illuminating lamp is mounted on the left side face of the fixing plate, and the illuminating lamp is located below the first transparent window.

Preferably, a plurality of moving wheels with self-locking function are arranged on the bottom surface of the bottom plate.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the fixing plate, the protection plate, the first damper and the first spring are arranged, so that broken stone can be prevented from striking a worker from the left side after rock burst; through setting up roof, second attenuator, fly leaf and second spring, can avoid the rock burst back rubble to smash to the staff from the top to reduce the harm of rock burst back rubble to the staff.

2. According to the utility model, the illuminating lamp, the first transparent window and the second transparent window are arranged, so that the left side of the protection plate can be seen clearly under the condition of poor light, and accidental injury is avoided.

Drawings

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

FIG. 2 is an enlarged partial schematic view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a second perspective view of the present utility model;

FIG. 4 is a front view of the present utility model;

reference numerals: 1. a bottom plate; 11. a moving wheel; 12. a support rod; 2. a fixing plate; 21. a first damper; 22. a first spring; 23. a first transparent window; 24. a lighting lamp; 25. a second damper; 3. a protection plate; 31. a second transparent window; 4. a top plate; 41. a movable plate; 42. a cross bar; 43. a roller; 44. and a second spring.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-4, a mine rock burst protection device comprises a bottom plate 1, a plurality of movable wheels 11 with self-locking functions are arranged on the bottom surface of the bottom plate 1, an L-shaped fixing plate 2 is arranged on the top surface of the bottom plate 1, a plurality of first dampers 21 are arranged on the left side surface of the fixing plate 2, the left ends of the first dampers 21 are fixedly connected with a protection plate 3, the protection plate 3 is slidably connected with the bottom plate 1, a plurality of first dampers 21 are sleeved with first springs 22, two ends of each first spring 22 are fixedly connected with the protection plate 3 and the fixing plate 2 respectively, and when the protection plate 3 is impacted, the resilience force of each first spring 22 and the damping force of each first damper 21 can buffer the protection plate 3, so that the impact on the fixing plate 2 can be reduced.

The top plate 4 is arranged right above the fixed plate 2, the plurality of second dampers 25 are arranged on the top surface of the fixed plate 2, the extending ends of the plurality of second dampers 25 are fixedly connected with the top plate 4, two movable plates 41 are hinged to the bottom surface of the top plate 4, mounting grooves are formed in the bottoms of the movable plates 41, cross rods 42 are arranged in the mounting grooves, a plurality of rollers 43 are rotatably arranged on the cross rods 42, the rollers 43 are in contact with the top surface of the fixed plate 2, friction force between the movable plates 41 and the fixed plate 2 can be reduced through the cross rods 42 and the rollers 43, a plurality of second springs 44 are connected between the two movable plates 41, when the top plate 4 is impacted, the top plate 4 moves downwards, the second dampers 25 are compressed, the lower ends of the two movable plates 41 are driven to move in opposite directions, the plurality of second springs 44 are stretched, the rebound force of the plurality of second springs 44 and the damping force of the second dampers 25 are influenced, the impact on the top plate 4 can be reduced, and therefore the impact on the fixed plate 2 is reduced.

In order to improve the stability of the fixed plate 2, two cross bars 42 are arranged on the top surface of the top plate 4, and the upper ends of the two cross bars 42 are fixedly connected with the fixed plate 2 so as to provide support for the fixed plate 2;

in order to facilitate the viewing of the left side of the protection plate 3, a second transparent window 31 is installed on the protection plate 3 in a penetrating manner, a first transparent window 23 is installed on the fixed plate 2 in a penetrating manner, and the first transparent window 23 is positioned on the right side of the second transparent window 31, so that the left side of the protection plate 3 can be conveniently viewed through the first transparent window 23 and the second transparent window 31; in order to facilitate the use of the device in places where the pipeline is not good, a lighting lamp 24 is mounted on the left side surface of the fixing plate 2, and the lighting lamp 24 is positioned below the first transparent window 23.

Working principle: when the rock burst broken stone impact protection plate 3 is used in detail, the protection plate 3 can move rightwards, so that the first spring 22 is compressed, the first damper 21 is also compressed, and the resilience force of the first spring 22 and the damping force of the first damper 21 can buffer the protection plate 3, so that the impact on the fixing plate 2 can be reduced; when the broken stone strikes the top plate 4 after the rock burst, the top plate 4 can move downwards, so that the second dampers 25 are compressed, the lower ends of the two movable plates 41 are driven to move in the direction away from each other, the plurality of second springs 44 are stretched, the impact of the top plate 4 can be reduced under the influence of the resilience force of the plurality of second springs 44 and the damping force of the second dampers 25, and the impact of the fixed plate 2 is reduced, so that the harm of the broken stone to workers after the rock burst is reduced.

Through setting up light 24, first transparent window 23 and second transparent window 31, be convenient for under the not good circumstances of light, see clearly the circumstances in guard plate 3 left side, avoid appearing unexpected injury.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Mine rock burst protector, including bottom plate (1), its characterized in that: install fixed plate (2) of L shape on the top surface of bottom plate (1), install a plurality of first attenuator (21) on the left surface of fixed plate (2), a plurality of the left end fixedly connected with guard plate (3) of first attenuator (21), a plurality of all overlap on first attenuator (21) and be equipped with first spring (22), install a plurality of second attenuator (25) on the top surface of fixed plate (2), a plurality of roof (4) are installed to the upper end of second attenuator (25), articulated on the bottom surface of roof (4) have two fly leaf (41), two install a plurality of second springs (44) between fly leaf (41).

2. The mine rock burst shield apparatus of claim 1, wherein: the movable plate (41) is provided with a cross rod (42), the cross rod (42) is rotatably provided with a plurality of rollers (43), and the rollers (43) are contacted with the top surface of the fixed plate (2).

3. The mine rock burst shield apparatus of claim 1, wherein: two support rods (12) are arranged on the top surface of the bottom plate (1), and the upper ends of the two support rods (12) are fixedly connected with the fixed plate (2).

4. A mine rock burst shield apparatus as recited in claim 3, wherein: the fixing plate (2) is provided with a first transparent window (23) in a penetrating mode, the protection plate (3) is provided with a second transparent window (31) in a penetrating mode, and the second transparent window (31) is located on the right left side of the first transparent window (23).

5. The mine rock burst shield apparatus of claim 4, wherein: an illuminating lamp (24) is arranged on the left side face of the fixed plate (2), and the illuminating lamp (24) is located below the first transparent window (23).

6. The mine rock burst shield apparatus of claim 1, wherein: a plurality of moving wheels (11) with a self-locking function are arranged on the bottom surface of the bottom plate (1).