CN221280083U - Explosion safety device for mining engineering - Google Patents

Abstract

The utility model discloses a blasting safety protection device for mining engineering, which comprises a bottom plate, a damping component and a resetting component, wherein a protection plate is movably arranged on the upper surface of the bottom plate, two support plates are fixedly arranged between two sides of the upper surface of the bottom plate, the other ends of the support plates are fixedly connected with a base plate, the base plate is fixedly arranged on the upper surface of the bottom plate, the damping component is arranged between the base plate and the upper and lower sides of the protection plate, the outer surfaces of the protection plates are fixedly adhered with air cushions through glue, the other sides of the air cushions are fixedly adhered to the base plate through glue, a plurality of air holes are formed in the two sides of the air cushions, when the protection plates are impacted and inwards extruded to move, air in the air cushion is extruded simultaneously, so that air in the air cushion is instantaneously discharged from the air holes to form an air wall, dust generated by explosion is prevented from flying out of a hole in a period of time with the largest impact force when the air wall is blasted, and the air cushion forms a third protection supporting effect on the protection plate.

Description

Explosion safety device for mining engineering

Technical Field

The utility model belongs to the technical field of mining, and particularly relates to a blasting safety protection device for mining engineering.

Background

Mining, an energy comprehensive term, is a technology and science for mining mineral resources from within the crust and the surface. Generalized mining also includes the extraction of coal and oil. The mining industry is an important raw material industry, metal ores are the main raw material of the smelting industry, and nonmetallic ores are important chemical raw materials and building materials. For this purpose, the application number: CN202220119444.7 discloses a blasting safety device for mining engineering, including the protection frame, the right side of protection frame is provided with the push pedal, the right side fixed mounting of push pedal has the protection pad, the right side of protection frame and the top fixed mounting who is located the push pedal have the atomizer, the left side fixed mounting of protection frame has the water tank, the left side of protection frame and the below that is located the water tank are provided with the balancing weight, the bottom fixed mounting of balancing weight has the connection cone. According to the explosion safety protection device for the mining engineering, impact waves generated by explosion push a push plate and a protection pad to move towards the inside of a sliding cavity, the protection pad and a compression spring on the surface of the push plate provide buffering for impact force, meanwhile, a push rod and a piston slide in a water tank, so that water in the water tank flows towards the inside of a transmission pipe, an atomization nozzle is arranged on the side face of a protection frame, the output end of the transmission pipe is connected with the atomization nozzle, and a water curtain wall is formed on the side face of the protection frame.

The problems of the prior art are: in the use process of the conventional blasting safety protection device, due to the fact that the soft baffle made of rubber is used, good protection cannot be caused when high-strength blasting is carried out, the baffle is blown up to block stones or flies out from the bottom when air pressure is strong, dust can be discharged along with the baffle when the baffle is blown up, and the problem of lower efficiency of the application range is caused.

Disclosure of utility model

Aiming at the problems existing in the prior art, the utility model provides a blasting safety protection device for mining engineering, which is provided with an air cushion which is extruded simultaneously when a protection plate is impacted and moved inwards, so that air in the air cushion is instantaneously discharged from an air hole to form an air wall, dust generated by explosion can be prevented from flying out of a hole in a period of time with the maximum impact force when the air wall is blasted, and the air cushion has the function of a third protection support on the protection plate, and the problem that the conventional blasting safety protection device has a small application range and low efficiency because the use of the conventional blasting safety protection device cannot cause good protection when the protection plate is blasted at high strength due to the use of a soft baffle made of rubber, and the dust can fly out of the bottom when the protection plate is blasted.

The utility model discloses a blasting safety protection device for mining engineering, which comprises a bottom plate, a damping component and a reset component, wherein a protection plate is movably arranged on the upper surface of the bottom plate, two support plates are fixedly arranged in the middle of two sides of the upper surface of the bottom plate, the other ends of the support plates are fixedly connected with a base plate, the base plate is fixedly arranged on the upper surface of the bottom plate, the damping component is connected between the base plate and the upper and lower sides of the protection plate, the outer surface of the protection plate is fixedly adhered with an air cushion through glue, the other side of the air cushion is fixedly adhered to the base plate through glue, a plurality of air holes are formed in the two sides of the air cushion, and the two sides of the lower surface of the protection plate are connected with the bottom plate through the reset component.

As the preferable mode of the utility model, the damping component comprises a damper, damping springs, a spring sleeve rod, a rotary plate base, a first connecting rod, a first rotary plate, a second connecting rod, a connector, a first sliding block, a limiting rod and a damping spring, wherein four dampers are fixedly arranged at four corners of the lower surface of the protection plate, the damping springs are fixedly arranged on the inner surfaces of the dampers, the spring sleeve rod is sleeved on the inner surfaces of the damping springs, and a backing plate is fixedly arranged on the lower surfaces of the two spring sleeve rods on the same side of the left side and the right side.

As the preferable mode of the utility model, two rotary plate bases are fixedly arranged on the upper side and the lower side of the protection plate respectively, a first connecting rod is fixedly arranged on the inner surface of the rotary plate base, and a first rotary plate is movably arranged on the outer surface of the first connecting rod.

As the preferable mode of the utility model, the inner surface of the other end of the first rotating plate is movably provided with the second connecting rod, the second connecting rod is fixedly arranged on the inner surface of the connector, and the lower surface of the connector is fixedly provided with the first sliding block.

As the preferable mode of the utility model, the first sliding block is movably arranged on the outer surface of the limiting rod, two ends of the limiting rod are fixedly arranged on the inner surfaces of the two protection plates, and the inner surfaces of the two first sliding blocks are fixedly provided with the buffer springs.

As the preferable mode of the utility model, the reset component comprises a second slide block, a slide rail and a reset spring, wherein two second slide blocks are fixedly arranged on two sides of the lower surface of the protection plate, the second slide blocks are movably arranged on the inner surface of the slide rail, the slide rail is arranged on two sides of the upper surface of the bottom plate, the reset spring is fixedly arranged on the inner surface of the slide rail, and the other end of the reset spring is fixedly connected with the outer surface of the second slide block.

Compared with the prior art, the utility model has the following beneficial effects: 1. according to the utility model, by arranging the damping component, when a mineworker explodes the inside of a mine hole, the energy generated by explosion can be rapidly released, and extremely high air pressure is formed. This kind of pneumatic wave can spread rapidly and spread around the explosion center, then outwards propagate with the wave form, and cause the impact force to the guard plate with the impact at any time and make the guard plate inwards extrude, at first the damping spring that four corners department is connected plays the shock attenuation guard action of first layer when the extrusion, secondly the guard plate inwards extrudees the time drive rotor plate and inwards rotate, damping spring has played the effect of second floor protection, play the support cushioning effect to the guard plate, the guard plate of steel material is stronger than traditional rubber protector protectiveness, it is applicable to large-scale blasting.

2. According to the utility model, the air cushion is arranged, when the protection plate is impacted and moved inwards, the air cushion is extruded at the same time, so that gas in the air cushion is instantaneously discharged from the air hole to form an air wall, dust generated by explosion can be prevented from flying out of the hole in a period of time when the impact force is maximum during blasting, and the air cushion has a third protection supporting effect on the protection plate.

3. According to the utility model, the reset assembly is arranged, when the antiskid plate moves inwards, the second slider is driven to move in a limiting manner on the inner surface of the sliding rail, the second slider is supported and protected on a fourth layer by the movable reset spring, the reset spring pushes the second slider to drive the protection plate to reset after the impact force is reduced, and the protection plate drives one surface of the air cushion to stretch when in reset movement, so that air enters the air cushion again to inflate the air cushion, and the next use is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of a back structure provided by an embodiment of the present utility model;

Fig. 3 is a schematic diagram of a separation structure of a protection plate and a bottom plate according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a shock absorbing assembly according to an embodiment of the present utility model;

fig. 5 is an enlarged view at a in fig. 4 provided by an embodiment of the present utility model.

In the figure: 1. a bottom plate; 2. a protection plate; 3. a support plate; 4. a backing plate; 5. a shock absorbing assembly; 6. an air cushion; 7. air holes; 8. a reset assembly; 501. a damper; 502. a damping spring; 503. a spring sleeve rod; 504. a rotating plate base; 505. a first connecting rod; 506. a first rotating plate; 507. a second connecting rod; 508. a connector; 509. a first sliding block; 510. a limit rod; 511. a buffer spring; 801. a second slide block; 802. a slide rail; 803. and a return spring.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the blasting safety protection device for mining engineering provided by the embodiment of the utility model comprises a bottom plate 1, a damping component 5 and a reset component 8, wherein the upper surface of the bottom plate 1 is movably provided with a protection plate 2, two support plates 3 are fixedly arranged in the middle of two sides of the upper surface of the bottom plate 1, the other ends of the support plates 3 are fixedly connected with the support plates 4, the support plates 4 are fixedly arranged on the upper surface of the bottom plate 1, the damping component 5 is connected between the upper side and the lower side of the support plates 4, the outer surface of the protection plate 2 is fixedly adhered with an air cushion 6 through glue, the other side of the air cushion 6 is fixedly adhered to the support plates 4 through glue, two sides of the air cushion 6 are provided with a plurality of air holes 7, and two sides of the lower surface of the protection plate 2 are connected with the bottom plate 1 through the reset component 8.

Referring to fig. 4, the damper assembly 5 includes a damper 501, a damper spring 502, a spring sleeve 503, a rotating plate base 504, a first connecting rod 505, a first rotating plate 506, a second connecting rod 507, a connector 508, a first sliding block 509, a limit rod 510, and a damper spring 511, four dampers 501 are fixedly mounted at four corners of the lower surface of the protection plate 2, the damper spring 502 is fixedly mounted on the inner surface of the damper 501, the spring sleeve 503 is sleeved on the inner surface of the damper spring 502, and a backing plate 4 is fixedly mounted on the lower surfaces of the two spring sleeve 503 on the same side of the left side and the right side.

The scheme is adopted: the workman can produce a large amount of atmospheric pressure and rubble immediately when detonating the ore deposit hole, exert pressure to guard plate 2 when rubble and atmospheric pressure reach the entrance to a cave and promote the guard plate, and guard plate 2 is the damping spring 502 of line drive four corners department when removing, and damping spring 502 plays first layer shock attenuation support and protection rubble trample play the effect to guard plate 2.

Referring to fig. 4, two rotary plate bases 504 are fixedly mounted on the upper and lower sides of the protection plate 2, a first connecting rod 505 is fixedly mounted on the inner surface of the rotary plate base 504, and a first rotary plate 506 is movably mounted on the outer surface of the first connecting rod 505.

The scheme is adopted: when the protection plate 2 is impacted by broken stone and pressed by air pressure, the two rotating plates 506 are simultaneously driven to move downwards when being pressed downwards, and the rotating plates 506 can perform limiting rotation on the outer surface of the first connecting rod 506 due to the fact that the two rotating plates 506 are movably mounted on the outer surface of the first connecting rod 505.

Referring to fig. 4, a second connecting rod 507 is movably mounted on the inner surface of the other end of the first rotating plate 506, the second connecting rod 507 is fixedly mounted on the inner surface of a connector 508, and a first sliding block 509 is fixedly mounted on the lower surface of the connector 508.

The scheme is adopted: when the protection plate 2 is pressed downwards, the other end of the rotary plate 506 is movably mounted on the connector 508, so that the rotary plate 506 can drive the first slide block 509 to move through the connector 508.

Referring to fig. 4, a first slider 509 is movably mounted on an outer surface of the limit lever 510, two ends of the limit lever 510 are fixedly mounted on inner surfaces of the two protection plates 2, and a buffer spring 511 is fixedly mounted on the inner surfaces of the two first sliders 509.

The scheme is adopted: when the protection plate 2 is extruded or restored, the sliding blocks 509 are driven to move through the rotating plate 506, the limiting rod 510 plays a role in moving and limiting the sliding blocks, when the protection plate 2 is extruded inwards, the sliding blocks 509 are driven to move inwards through the rotating plate 506, when the protection plate 2 is restored, the rotating plate 506 drives the sliding blocks to move outwards to return to the original position, when the sliding blocks 509 are extruded inwards, the buffer springs 511 fixedly connected with the inner surfaces of the sliding blocks 509 apply a reaction force through inward compression, so that the thrust of the buffer springs 511 on the supporting of the sliding blocks 509 is achieved, the damping protection effect of a second layer is achieved on the protection plate 2, and the supporting stress of the protection plate 2 is increased, so that the protection plate can bear stronger impact force.

Referring to fig. 4, the reset assembly 8 includes a second slider 801, a sliding rail 802, and a reset spring 803, two second sliders 801 are fixedly mounted on two sides of the lower surface of the protection plate 2, the second sliders 801 are movably mounted on the inner surface of the sliding rail 802, the sliding rail 802 is disposed on two sides of the upper surface of the bottom plate 1, the reset spring 803 is fixedly mounted on the inner surface of the sliding rail 802, and the other end of the reset spring 803 is fixedly connected with the outer surface of the second slider 801.

The scheme is adopted: when the protection plate 2 is pressed inwards by impact force, the second slider 801 on the lower surface is driven to move in the sliding rail 802, and the reset spring 803 fixedly mounted on the inner surface of the sliding rail 802 is connected to the second slider 801, so that when the second slider 801 moves inwards, the reset spring 803 can be pressed to play a role in supporting the second slider 801, the second slider 801 is limited to move inwards, and the protection plate 2 is reset to be convenient for next use when the reset spring pushes the second slider 801 after blasting is finished.

The working principle of the utility model is as follows: when in use, a constructor drags the protection device to the position of the mine hole, the protection plate 2 is blasted for a long distance after facing the position of the hole, air pressure and broken stone can be generated during the mine hole blasting to jump outwards, the protection plate 2 is extruded towards the direction of the backing plate 4 by applying acting force to the protection plate 2, first layer buffering and damping are carried out by damping springs at four corners in the damping component 5, the first layer rotating plate 506 is driven to rotate by inwards moving the protection plate 2, the buffer springs 511 are extruded by inwards moving the two second sliding blocks 801, the buffer springs 511 play a role of second layer buffering and damping, the air cushion 6 is extruded simultaneously when the protection plate 2 moves inwards, the gas in the air cushion 6 is sprayed out from the air hole 7 instantly to form an air wall, the air wall plays a role of a natural barrier layer for dust in the air, the dust is prevented from flying out from the hole, the gas in the air cushion 6 can also effectively buffer and support the protection plate 2, when the protection plate 2 moves, the second sliding block 801 fixedly arranged on the lower surface is driven to move inwards, the return spring 803 continuously provides a third supporting and buffering effect for the second sliding block 801, and after blasting is finished, the return spring 803 can enable the protection plate 2 to push the protection plate 2 to reset, when the protection plate 2 resets, one side of the air cushion 6 adhered to the outer surface is driven to move, and the air enters the air bag from the air hole 7 to enable the air bag to recover the gas to be continuously used.

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 (7)

1. The utility model provides a mining engineering is with blasting safety device, includes bottom plate (1), damper unit (5) and reset unit (8), its characterized in that: the utility model discloses a floor, including bottom plate (1), upper surface movable mounting has guard plate (2), fixed mounting has two backup pad (3) in the middle of bottom plate (1) upper surface both sides, backup pad (3) other end fixed connection is in backing plate (4) fixed mounting is in bottom plate (1) upper surface, be provided with damper (5) between backing plate (4) and guard plate (2) upper and lower both sides, guard plate (2) surface has air cushion (6) through glue fixed adhesion, air cushion (6) opposite side passes through glue fixed adhesion in backing plate (4), air cushion (6) both sides are equipped with a plurality of gas pockets (7), guard plate (2) lower surface both sides are connected with bottom plate (1) through reset assembly (8).

2. A blast safety unit for mining engineering according to claim 1, wherein: the damping assembly (5) comprises a damper (501), a damping spring (502), a spring sleeve rod (503), a rotary plate base (504), a first connecting rod (505), a first rotary plate (506), a second connecting rod (507), a connector (508), a first sliding block (509), a limiting rod (510) and a damping spring (511), four dampers (501) are fixedly arranged at four corners of the lower surface of the protection plate (2), the damping spring (502) is fixedly arranged on the inner surface of the damper (501), and the spring sleeve rod (503) is sleeved on the inner surface of the damping spring (502).

3. A blast safety unit for mining engineering according to claim 2, wherein: the lower surfaces of the two spring sleeve rods (503) on the same side on the left side and the right side are fixedly provided with a base plate (4).

4. A blast safety unit for mining engineering according to claim 2, wherein: two rotary plate bases (504) are fixedly mounted on the upper side and the lower side of the protection plate (2), a first connecting rod (505) is fixedly mounted on the inner surface of the rotary plate base (504), and a first rotary plate (506) is movably mounted on the outer surface of the first connecting rod (505).

5. A blast safety unit for mining engineering according to claim 4, wherein: the inner surface of the other end of the first rotating plate (506) is movably provided with a second connecting rod (507), the second connecting rod (507) is fixedly arranged on the inner surface of the connector (508), and the lower surface of the connector (508) is fixedly provided with a first sliding block (509).

6. A blast safety unit for mining engineering according to claim 5, wherein: the first sliding block (509) is movably mounted on the outer surface of the limiting rod (510), two ends of the limiting rod (510) are fixedly mounted on the inner surfaces of the two protection plates (2), and buffer springs (511) are fixedly mounted on the inner surfaces of the two first sliding blocks (509).

7. A blast safety unit for mining engineering according to claim 1, wherein: the reset assembly (8) comprises a second slide block (801), slide rails (802) and reset springs (803), two second slide blocks (801) are fixedly arranged on two sides of the lower surface of the protection plate (2), the second slide blocks (801) are movably arranged on the inner surfaces of the slide rails (802), the slide rails (802) are arranged on two sides of the upper surface of the bottom plate (1), the reset springs (803) are fixedly arranged on the inner surfaces of the slide rails (802), and the other ends of the reset springs (803) are fixedly connected with the outer surfaces of the second slide blocks (801).