Strip mine blasting protection assembly

Abstract

The utility model discloses a strip mine blasting protection assembly, and belongs to the technical field of blasting protection. Comprising a mounting plate and a lifting plate, a sliding groove is vertically formed in the middle of the front side face of the mounting plate, a lifting lead screw is vertically and rotatably arranged in the sliding groove, and a driving assembly for driving the lifting lead screw to rotate is arranged at the bottom of the sliding groove; limiting grooves are vertically formed in the left side and the right side of the front side face of the mounting plate, stress rods are vertically arranged in the limiting grooves, guide blocks are arranged on the left side and the right side of the lower portion of the rear side face of the lifting plate, and the guide blocks are movably arranged on the stress rods in the limiting grooves. The lifting plate can be driven by the driving assembly to move up and down, so that the lifting plate and the mounting plate are unfolded, the height can be adjusted according to different blasting requirements and field conditions, and a more flexible protection solution is provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blasting protection, specifically relates to an open -pit mine blasting protection assembly. BACKGROUND

[0002] At present, open -pit mine blasting is a common mining method, is used for breaking rock and ore, so as to facilitate subsequent excavation and transportation, wherein in the process of open -pit blasting, safety is the primary consideration factor of open -pit blasting, must take measures to ensure the safety of personnel, equipment and surrounding environment, including setting up warning line, evacuating personnel, controlling fly stone and vibration etc., usually will use protection assembly, and blasting activity can cause influence to the environment, dust, vibration and potential ground subsidence.

[0003] The Chinese patent with the application number CN202320219419.0 discloses a kind of blasting protection plate, it can be realized by splicing structure, it is convenient to clean the gap between flexible component and energy storage column, but in actual use process, the height of its shielding is determined by stand, since the requirement of its protection plate and protection target, fly stone distance, explosive energy, explosion site distance and other factors, the height of required protection is different, if protection plate is too high, it will lead to inconvenience in the process of carrying, if it is too low, it can not achieve the required effect, lead to unable to be applicable to different scene use, simultaneously, a certain degree of dust raising will be generated in blasting process, and the dust raising will increase the concentration of particulate matter in air, reduce air quality, cause threat to respiratory health of nearby residents. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of open -pit mine blasting protection assembly, to solve the problem raised in the above background technology.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of open -pit mine blasting protection assembly, including mounting plate 1 and lifting plate 5, the middle part vertical sliding slot 2 is set on the front side of mounting plate 1, lifting lead screw 3 is vertically rotatably arranged in sliding slot 2, the driving assembly 6 for driving lifting lead screw 3 rotation is arranged in the bottom of sliding slot 2, lifting block 4 is fixedly arranged at the lower middle part of the rear side of lifting plate 5, the lifting block 4 is screw fitted on the driving lifting lead screw 3 in sliding slot 2, limit slot 12 is vertically set on the left and right sides of the front side of mounting plate 1, stress rod 14 is vertically arranged in limit slot 12, guide block 13 is arranged on the left and right sides of the lower part of the rear side of lifting plate 5, the guide block 13 is movably arranged on stress rod 14 in limit slot 12.

[0007] The driving assembly 6 comprises a worm 601, a worm wheel 602, a stable block 603, the worm wheel 602 is fixed on the lower end of the lifting lead screw 3, the worm 601 is rotatably arranged at the bottom of the sliding groove 2, the worm 601 is engaged with the worm wheel 602, the stable block 603 is fixed at the bottom of the sliding groove 2, the inner end of the worm 601 is rotatably arranged on the mounting plate 1, the outer end of the worm 601 is movably arranged through the stable block 603 and is provided with an L-shaped rotating rod 16, and the rotating rod 16 is provided with an anti-skid sleeve.

[0008] The bottom of the mounting plate 1 is fixedly connected with ground plates 18 on the left and right sides, and a plurality of mounting pin holes 19 are formed in the upper portion of the ground plates 18.

[0009] A clamping groove 21 is arranged on one side vertical edge of the mounting plate 1, and a protruding block 22 matched with the clamping groove 21 is arranged on the other side vertical edge of the mounting plate 1.

[0010] A through channel 7 is formed in the top portion of the lifting plate 5 along the length direction, a plurality of water dispersing holes 8 are formed in the top side edge of the lifting plate 5 and are communicated with the through channel 7, and atomizing nozzles 9 are fixedly connected to the water dispersing holes 8.

[0011] A reinforcing plate 20 is fixedly arranged on the top portion of the rear side of the lifting plate 5, and the atomizing nozzles 9 pass through mounting holes formed in the reinforcing plate 20 and are fixed thereon.

[0012] Sealing frames 10 are movably arranged in the through channel 7 at both ends, sealing rings are arranged between the sealing frames 10 and the through channel 7, sealing gaskets 15 are fixedly connected to the outer end of the sealing frames 10, a control assembly 11 is arranged between the sealing frames 10 and the lifting plate 5, the control assembly 11 comprises an extension plate 111, a hand screw bolt 112 and a linkage plate 113, the extension plate 111 is fixed on one side of the lifting plate 5, threaded holes are formed in the lifting plate 5, the hand screw bolt 112 is threadedly arranged in the threaded hole of the extension plate 111, the linkage plate 113 is arranged on the outer end of the hand screw bolt 112, and the linkage plate 113 is fixed on the side wall of the outer end of the sealing frame 10.

[0013] As the above technical scheme is adopted, the utility model has the beneficial effects that:

[0014] 1、The lifting lead screw, the lifting block, the lifting plate and the driving assembly are arranged, the lifting plate can be driven to move up and down by the driving assembly, the lifting plate and the mounting plate are unfolded, the height can be adjusted according to different blasting requirements and on-site conditions, a more flexible protection solution is provided, unnecessary material waste can be reduced by adjusting the height of the protection plate, and long-term operation cost is reduced.

[0015] 2. The utility model discloses a through channel, water dispersing hole, atomizing nozzle can be realized after the communication of multiple through channels to one end seal, the other end injects high pressure water source, makes from water dispersing hole injects into atomizing nozzle and atomizes and sprays, effectively adsorbs and settles dust in the air, reduces the influence of dust raising to environment and personnel health, improves the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the top structure schematic diagram of the utility model;

[0018] Figure 3 It is the front structure schematic diagram of the utility model;

[0019] Figure 4 It is Figure 3 It is the partial close -up view at A;

[0020] Figure 5 It is Figure 3 It is the partial close -up view at B;

[0021] As shown in the figure: 1, mounting plate;2, sliding groove;3, lifting screw;4, lifting block;5, lifting plate;6, drive assembly;601, worm;602, worm wheel;603, firm block;7, through channel;8, water dispersing hole;9, atomizing nozzle;10, sealing frame;11, control assembly;111, extension plate;112, hand bolt;113, linkage plate;12, limit groove;13, guide block;14, stress rod;15, sealing pad;16, rotating rod;18, grounding plate;19, mounting pin hole;20, reinforcing plate;21, clamping groove;22, protruding block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it needs to understand that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Embodiment 1

[0026] As Figures 1-5 , the embodiment provides an open-pit mine blasting protection assembly, including mounting plate 1 and lifting plate 5, the middle part of the front side of mounting plate 1 is vertically provided with sliding groove 2, sliding groove 2 is inverted "T" shape, lifting lead screw 3 is vertically arranged in sliding groove 2, lifting lead screw 3 is rotatably arranged at the upper and lower ends of sliding groove 2, the bottom of sliding groove 2 is provided with drive assembly 6 for driving lifting lead screw 3 to rotate, lifting block 4 is fixedly arranged at the lower middle part of the rear side of lifting plate 5, lifting block 4 is threadedly assembled on lifting lead screw 3 in sliding groove 2, lifting block 4 is gap-fitted in sliding groove 2, limit groove 12 is vertically arranged in the left and right sides of the front side of mounting plate 1, stress rod 14 is vertically fixedly arranged in limit groove 12, stress rod 14 is fixedly arranged at the upper and lower ends of limit groove 12, guide block 13 is arranged at the left and right sides of the lower part of the rear side of lifting plate 5, guide block 13 is movably arranged on stress rod 14 in limit groove 12, and guide block 13 is gap-fitted in limit groove 12.When lifting plate 5 moves up and down, the sliding of guide block 13 in limit groove 12 can increase the stability of movement, and when being attacked by stone blocks, guide block 13 is sleeved on stress rod 14 to a certain extent to improve the stability of lifting plate 5.

[0027] The drive assembly 6 includes worm 601, worm wheel 602 and stable block 603, the worm wheel 602 is fixedly arranged on the lower end of lifting lead screw 3, the worm 601 is rotatably arranged at the bottom of sliding groove 2, the worm 601 is engaged with the worm wheel 602, the stable block 603 is fixedly arranged at the bottom of sliding groove 2, the inner end of the worm 601 is rotatably arranged on the mounting plate 1, the outer end of the worm 601 is movably arranged through the stable block 603 and is provided with an "L"-shaped rotating rod 16, the rotating rod 16 is provided with an antiskid sleeve, and the worm 601 and the worm wheel 602 are self-locked. The rotation of the worm 601 drives the rotation of the worm wheel 602, so that the lifting lead screw 3 can be driven, the stable block 603 can improve the stability when the worm wheel 602 rotates, and the self-locking relationship between the worm 601 and the worm wheel 602 can improve the stability of the lifting lead screw 3 after adjustment.

[0028] The bottom of the mounting plate 1 is fixedly connected with grounding plates 18, and a plurality of mounting pin holes 19 are formed in the upper part of the grounding plates 18.

[0029] A clamping groove 21 is arranged on the vertical edge of one side of the mounting plate 1, and a protruding block 22 matched with the clamping groove 21 is arranged on the vertical edge of the other side of the mounting plate 1. By inserting the protruding block 22 of one mounting plate 1 into the clamping groove 21 of another mounting plate 1, the multiple mounting plates 1 are assembled together to increase the protection area.

[0030] A through channel 7 is formed in the top of the lifting plate 5 along the length direction, a plurality of water dispersing holes 8 are formed in the top side of the lifting plate 5 and communicated with the through channel 7, and an atomizing nozzle 9 is fixedly connected to the water dispersing hole 8.

[0031] A reinforcing plate 20 is fixedly arranged on the top of the rear side of the lifting plate 5, and the atomizing nozzle 9 passes through a mounting hole formed in the reinforcing plate 20 and is fixed thereon. The reinforcing plate 20 can reinforce the atomizing nozzle 9 and reduce the damage of the atomizing nozzle 9 caused by the splashing of stones.

[0032] A sealing frame 10 is movably arranged in the through channel 7 at both ends, a sealing ring is arranged between the sealing frame 10 and the through channel 7, that is, a sealing gasket 15 is fixedly connected to the outer end of the sealing frame 10, a control assembly 11 is arranged between the sealing frame 10 and the lifting plate 5, the control assembly 11 comprises an extension plate 111, a hand screw bolt 112 and a linkage plate 113, the extension plate 111 is fixed on one side of the lifting plate 5, a threaded hole is formed in the lifting plate 5, the hand screw bolt 112 is threadedly arranged in the threaded hole of the extension plate 111, the linkage plate 113 is arranged on the outer end of the sealing frame 10, and the linkage plate 113 is fixed on the sidewall of the outer end of the sealing frame 10. When the sealing frames 10 between the adjacent two lifting plates 5 are aligned, the sealing gaskets 15 between the outer ends of the adjacent sealing frames 10 are extruded by rotating the hand screw bolt 112 to drive the linkage plate 113 and the sealing frame 10 to move outward, so that the sealing degree is improved. One end of the through channel 7 can be sealed, and high-pressure water is injected into the through channel 7 to be sprayed from the atomizing nozzle 9 after the through channels 7 are communicated.

[0033] In use, the mounting plate 1 is installed at the position to be protected through the grounding plates 18 and the mounting pin holes 19, and the protruding block 22 on the adjacent two mounting plates 1 is clamped into the clamping groove 21, so that the multiple mounting plates 1 are connected together for protection.

[0034] By rotating the worm 601 to drive the corresponding rotation of the worm gear 602, the lifting screw 3 is rotated and drives the lifting block 4 to move upwards, so that the lifting block 4 drives the lifting plate 5 to rise, so that the mounting plate 1 and the lifting plate 5 are unfolded. According to different blasting requirements and site conditions, the height can be adjusted to provide more flexible protection scheme, and by adjusting the height of the protective plate, unnecessary material waste can be reduced, and long-term operation cost can be reduced. After use, the worm 601 is reversed to realize the overlap between the lifting plate 5 and the mounting plate 1, and the protective plate is lowered to a lower position, saving space and facilitating other operations.

[0035] When the height adjustment is completed, the hand screw bolt 112 can be moved on the extension plate 111 by hand rotation, the other end pushes the linkage plate 113 to drive the sealing frame 10 to expand from the through hole 7, so that the corresponding through hole 7 is aligned and sealed, thereby realizing the communication between the through holes 7 on the plurality of assembled lifting plates 5. After the external water pumping equipment is connected to one end of the through hole 7, high-pressure water source is injected into the through hole 7, the other end is sealed, and the atomizing nozzle 9 is used for atomizing and spraying water mist particles, which can effectively adsorb and settle dust in the air, reduce the influence of dust on the environment and personnel health, and reduce the frequency of subsequent cleaning. When the atomizing nozzle 9 sprays in one direction, the contact between dust and the mounting plate 1 and the lifting plate 5 can be reduced, and the subsequent cleaning frequency can be reduced.

Claims

1. An open pit blasting protection assembly comprising a mounting plate (1) and a lifting plate (5), characterized in that, The middle part of the front side of the mounting plate (1) is vertically provided with a sliding groove (2), the lifting screw (3) is vertically arranged in the sliding groove (2), the bottom of the sliding groove (2) is provided with a driving assembly (6) for driving the lifting screw (3) to rotate, the rear side of the lifting plate (5) is fixedly provided with a lifting block (4) at the lower middle part, the lifting block (4) is threadedly assembled on the lifting screw (3) in the sliding groove (2), the front side of the mounting plate (1) is vertically provided with a limiting groove (12) on the left and right sides, the stress rod (14) is vertically arranged in the limiting groove (12), the rear side of the lifting plate (5) is provided with a guide block (13) on the left and right sides of the lower part, and the guide block (13) is movably arranged on the stress rod (14) in the limiting groove (12).

2. An open pit blasting protection assembly according to claim 1, characterized in that: The driving assembly (6) comprises a worm (601), a worm wheel (602) and a stabilizing block (603), the worm wheel (602) is fixed on the lower end of the lifting screw (3), the worm (601) is rotatably arranged at the bottom of the sliding groove (2), the worm (601) is engaged with the worm wheel (602), the stabilizing block (603) is fixed at the bottom of the sliding groove (2), the inner end of the worm (601) is rotatably arranged on the mounting plate (1), the outer end of the worm (601) is movably arranged through the stabilizing block (603) and is provided with an "L"-shaped rotating rod (16), and the rotating rod (16) is provided with an anti-skid sleeve.

3. An open pit blasting protection assembly according to claim 1, characterized in that: The bottom of the mounting plate (1) is fixedly connected with the grounding plate (18) on the left and right sides, and a plurality of mounting pin holes (19) are formed in the grounding plate (18).

4. An open pit blasting protection assembly according to claim 1, characterized in that: The vertical edge of one side of the mounting plate (1) is provided with a clamping groove (21), and the vertical edge of the other side of the mounting plate (1) is provided with a protruding block (22) matched with the clamping groove (21).

5. An open pit blasting protection assembly according to claim 1, characterized in that: The top of the lifting plate (5) is provided with a through channel (7) along the length line, a plurality of water dispersing holes (8) are formed in the top side edge of the lifting plate (5) and are communicated with the through channel (7), and the atomizing nozzle (9) is fixedly connected to the water dispersing hole (8).

6. An open pit blasting protection assembly according to claim 5, characterized in that: The rear top of the lifting plate (5) is fixedly provided with a reinforcing plate (20), the atomizing nozzle (9) passes through the mounting hole formed in the reinforcing plate (20) and is fixed thereon.

7. An open pit blasting protection assembly according to claim 5, characterized in that: The inner end of the through channel (7) is movably provided with a sealing frame (10), a sealing ring is arranged between the sealing frame (10) and the through channel (7), a sealing gasket (15) is fixedly connected to the outer end of the sealing frame (10), a control assembly (11) is arranged between the sealing frame (10) and the lifting plate (5), the control assembly (11) comprises an extension plate (111), a hand screw bolt (112) and a linkage plate (113), the extension plate (111) is fixed to one side of the lifting plate (5), a threaded hole is formed in the lifting plate (5), the hand screw bolt (112) is threadedly arranged in the threaded hole of the extension plate (111), the linkage plate (113) is arranged on the outer end of the hand screw bolt (112), and the linkage plate (113) is fixed to the side wall of the outer end of the sealing frame (10).

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