Mine blasting gravel protection device for mine engineering

Abstract

The invention relates to the technical field of mine blasting protection, and discloses a mine blasting gravel protection device for mine engineering, which comprises a sheltering shed and a shed door, two groups of bases are arranged at one end of the sheltering shed, support frames are arranged at two ends of the outer sides of the bases, chutes are formed in the upper ends of the support frames, electric telescopic rods are arranged in the support frames, and protection mechanisms are arranged at the upper ends of the bases; the protection mechanism comprises a protection plate, sliding blocks are arranged at the two ends of the outer side of the protection plate, one ends of the sliding blocks are slidably installed in the sliding grooves, a buffering assembly is arranged in the protection plate, one end of the buffering assembly is fixedly connected with the protection plate, a protection net is arranged at one end of the buffering assembly and is a steel wire woven net, and a protection buffering layer is arranged at one end of the protection net. And the protective buffer layer is a rubber belt woven mesh and is fixedly connected with the protective plate. According to the device, by arranging the protection mechanism, shock absorption can be conducted on vibration force generated by broken stone striking, the influence of the striking vibration force on workers can be effectively reduced, and the protection effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mine blasting protection, and in particular to a mine blasting rock protection device for mining engineering. Background Art

[0002] Mining engineering refers to a series of engineering activities related to the exploration, development, mining, processing and construction of mining facilities of mineral resources. It covers all aspects from the exploration, mining, transportation and processing of mineral resources to the environmental protection and land reclamation of mines, aiming to exploit underground resources efficiently, safely and environmentally friendly. Mining engineering usually involves multiple disciplines, including geology, mining engineering, civil engineering, mechanical engineering, environmental engineering, etc. Blasting is a technology that uses the compression, loosening, destruction, throwing and killing effects produced by the explosion of explosives in air, water, soil and rock media or objects to achieve the desired purpose. When the explosive bag or charge explodes in the soil and rock medium or structure, the soil and rock medium or structure will be compressed, deformed, destroyed, loosened and thrown, so blasting is widely used in mining engineering.

[0003] The existing mine blasting and crushing rock protection, when in use, cannot dampen the vibration generated by the impact of the rock, which easily causes the impact vibration force to drive the protective device to vibrate, affecting the protective effect of the protective device. For this reason, we propose a mine blasting and crushing rock protection device for mining engineering. Summary of the invention

[0004] The main purpose of the present invention is to provide a mine blasting rock protection device for mining engineering, which can effectively solve the technical problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a mine blasting and crushing rock protection device for mining engineering, including a shelter shed, a shelter door is provided at one end of the shelter shed, a vent is provided at one end of the shelter shed, an observation window is provided at one end of the shelter shed, two groups of bases are provided at one end of the shelter shed, one end of the base is fixedly connected to the shelter shed, support frames are provided at both ends of the outer side of the base, one end of the support frame is fixedly connected to the base, a slide is provided at the upper end of the support frame, an electric telescopic rod is provided inside the support frame, a protective mechanism is provided at the upper end of the base, the protective mechanism is installed between the two groups of support frames, the lower end of the protective mechanism is connected to the electric telescopic rod, and the two ends of the protective mechanism Slidingly connected to the slide groove; the protective mechanism includes a protective plate, which is a C-shaped bent steel plate, with sliders provided at both ends of the outer side of the protective plate, one end of the slider is fixedly connected to the protective plate, and the other end of the slider is slidably installed in the slide groove, a buffer assembly is provided inside the protective plate, one end of the buffer assembly is fixedly connected to the protective plate, one end of the buffer assembly is provided with a protective net, the protective net is a steel wire woven net, both ends of the protective net are fixedly connected to the protective plate, one end of the protective net is provided with a protective buffer layer, the protective buffer layer is a rubber belt woven net, the protective buffer layer is fixedly connected to the protective plate, a counterweight mechanism is provided at one end of the shelter, and one end of the counterweight mechanism is fixedly connected to the shelter.

[0006] Preferably, the buffer assembly includes a buffer bag, which is an elastic rubber bag. The buffer bag is arranged in an arc shape, and the curvature of the buffer bag is adapted to the protective plate. One end of the buffer bag is fixedly connected to the protective plate, and the other end of the buffer bag is in contact with the protective net. The buffer bag is filled with shock-absorbing gas.

[0007] Preferably, a plurality of groups of elastic strips are provided inside the buffer capsule, wherein the elastic strips are wavy elastic metal strips, both ends of which are fixedly connected to the buffer capsule, an elastic column is provided at one end of the elastic strip, one end of the elastic column is fixedly connected to the elastic strip, and the other end of the elastic column is fixedly connected to the buffer capsule.

[0008] Preferably, the elastic column is a truncated cone-shaped elastic rubber column, the diameters of the two ends of the elastic column are different, and the end of the elastic column with a larger diameter faces the protective net.

[0009] Preferably, a reinforcing spring is provided at one end of the elastic strip, the installation direction of the reinforcing spring is perpendicular to the elastic strip, the elastic support force of the reinforcing spring is greater than the elastic support force of the elastic strip, one end of the reinforcing spring is fixedly connected to the elastic strip, and the other end of the reinforcing spring is fixedly connected to the inner wall of the buffer bag.

[0010] Preferably, the counterweight mechanism includes a mounting seat, a mounting groove is provided inside the mounting seat, a positioning column is provided inside the mounting groove, a counterweight block is provided inside the mounting groove, a plug-in groove is provided at one end of the counterweight block, the plug-in groove is adapted to the positioning column, and positioning components are provided at both ends of the outer side of the mounting seat, and one end of the positioning component extends into the interior of the mounting seat to limit the counterweight block.

[0011] Preferably, the positioning posts are cross-shaped hard rods, two adjacent groups of positioning posts are arranged in parallel, and one end of the positioning posts is fixedly connected to the mounting seat.

[0012] Preferably, the positioning assembly includes an adjusting rod, which is threadedly connected to the mounting seat, one end of the adjusting rod extends into the interior of the mounting seat, one end of the adjusting rod is provided with a clamping plate, one end of the clamping plate is in contact with the counterweight block, and one end of the clamping plate is movably connected to the adjusting rod.

[0013] Preferably, a lifting hook is provided at the upper end of the shelter, and the lower end of the lifting hook is fixedly connected to the shelter.

[0014] The present invention provides a mine blasting rock protection device for mining engineering, which has the following beneficial effects:

[0015] 1. A protective device for crushed rocks during blasting used in mining projects. A protective mechanism is provided. The protective buffer layer and the protective net inside the protective mechanism can protect the crushed rocks produced by blasting. The buffer bag can reduce the vibration force produced by the impact of the crushed rocks, which can effectively reduce the impact of the impact vibration force on the workers and improve the protective effect.

[0016] 2. A mine blasting rock protection device used in mining engineering can increase the overall stability of the shelter by setting a counterweight mechanism, prevent the shelter from tilting due to blasting vibration, and ensure the safety and stability of the shelter by adding counterweight blocks, thereby increasing the safety of the shelter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation modes of the present invention or the technical solutions in the prior art, the drawings required for use in the description of the implementation modes or the prior art are briefly introduced below.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a side view of the overall structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0021] Figure 4 It is a schematic diagram of the internal cross-section of the protection mechanism of the present invention;

[0022] Figure 5 For the present invention Figure 4 The enlarged schematic diagram at A in the middle;

[0023] Figure 6 It is a schematic diagram of the structure of the counterweight mechanism of the present invention.

[0024] Legend:

[0025] 1. Shelter shed; 2. Shed door; 3. Lifting hook; 4. Ventilation port; 5. Observation window; 6. Base; 7. Support frame; 8. Electric telescopic rod; 9. Slide; 10. Protection mechanism; 11. Counterweight mechanism; 12. Slider; 13. Protection plate; 14. Protection buffer layer; 15. Protection net; 16. Buffer bag; 17. Shock-absorbing gas; 18. Elastic strip; 19. Elastic column; 20. Strengthening spring; 21. Mounting seat; 22. Mounting slot; 23. Positioning column; 24. Counterweight block; 25. Plug-in slot; 26. Adjustment rod; 27. Clamping plate. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0027] Embodiment: A mine blasting and crushing rock protection device for mining engineering, such as Figure 1 - Figure 6 As shown, it includes a shelter 1, which is a rectangular hollow shell of the shelter 1. The shelter 1 is a metal steel frame. The outer surface of the shelter 1 is evenly provided with thickened protective steel plates, and the protective steel plates are fixedly connected to the steel frame. A shelter door 2 is provided at one end of the outer side of the shelter 1. The shelter door 2 is a steel protective door. One end of the shelter door 2 is rotatably connected to the shelter 1 through a hinge. A handle is provided at one end of the outer side of the shelter door 2, and one end of the handle is fixedly connected to the shelter door 2. A lifting hook 3 is provided at the upper end of the shelter 1, and the lower end of the lifting hook 3 is fixedly connected to the shelter 1. An air vent 4 is provided at one end of the outer side of the shelter 1, and a protective steel plate is provided inside the air vent 4, and the protective steel plate is fixedly connected to the shelter 1. An observation window 5 is provided at one end of the outer side of the shelter 1, and a protective baffle is provided on the outside of the observation window 5. Two groups of bases 6 are provided at one end of the outer side of the shelter 1. The base 6 is an L-shaped metal frame. The two groups of bases 6 are symmetrically installed at the two ends of the outer side of the shelter 1, and one end of the base 6 is connected to the The shelter shed 1 is fixedly connected, and support frames 7 are provided at both ends of the outer side of the base 6. Two groups of support frames 7 are symmetrically installed at both ends of the base 6. The support frame 7 is an L-shaped support rod, and one end of the support frame 7 is fixedly connected to the base 6. A slide groove 9 is provided at the upper end of the support frame 7. An electric telescopic rod 8 is provided inside the support frame 7. The lower end of the electric telescopic rod 8 is fixedly connected to the support frame 7, and the electric telescopic rod 8 is connected to the external power supply through a wire. A protective mechanism 10 is provided at the upper end of the base 6, and the protective mechanism 10 is installed between the two groups of support frames 7. The lower end of the protective mechanism 10 is connected to the output end of the electric telescopic rod 8, and the ends on both sides of the protective mechanism 10 are slidably connected to the slide groove 9. When in use, the output end of the electric telescopic rod 8 can be started to push the protective mechanism 10 to move to a suitable position to protect the shelter shed 1. A counterweight mechanism 11 is provided at one end of the outer side of the shelter shed 1 away from the protective mechanism 10, and one end of the counterweight mechanism 11 is fixedly connected to the shelter shed 1.

[0028] Furthermore, the protective mechanism 10 includes a protective plate 13, which is a thickened steel plate bent in a C shape. When the protective plate 13 is in use, its opening faces the blasting area. Sliders 12 are respectively provided at both ends of the outer side of the protective plate 13. The sliders 12 are hard metal blocks. One end of the sliders 12 is fixedly connected to the protective plate 13. The shape of the sliders 12 is adapted to the slide slot 9. The slides 12 are slidably installed in the slide slot 9. A groove is provided inside the protective plate 13. A buffer assembly is provided inside the groove of the protective plate 13. One end of the buffer assembly is fixedly connected to the protective plate 13. A protective net 15 is provided at one end of the outer side of the buffer assembly. The protective net 15 is a high-strength steel wire woven net. The protective net 15 is curved in an arc shape. Both ends of the outer side of the protective net 15 are fixedly connected to the protective plate 13 by bolts. A protective buffer layer 14 is provided at one end of the outer side of the protective net 15. The protective buffer layer 14 is a strip rubber belt woven net. A metal frame is provided outside the protective buffer layer 14. The outer frame of the protective buffer layer 14 is fixedly connected to the protective plate 13 by bolts.

[0029] Furthermore, the buffer component includes a buffer capsule 16, which is an inflatable elastic rubber capsule. The buffer capsule 16 is curved in an arc shape, and the curvature of the buffer capsule 16 matches the curvature of the protective plate 13. One end of the buffer capsule 16 is fixedly bonded to the inner wall of the protective plate 13, and the other end of the buffer capsule 16 is in contact with the protective net 15. The buffer capsule 16 is filled with a shock-absorbing gas 17, and the shock-absorbing gas 17 can be compressed air or nitrogen. By filling the buffer capsule 16 with the shock-absorbing gas 17, the buffering effect of the buffer capsule 16 can be increased. A plurality of groups of elastic strips 18 are arranged inside the buffer capsule 16, and the elastic strips 18 are wavy elastic metal strips. The ends of the elastic strips 18 on both sides are fixedly connected to the buffer capsule 16, and the adjacent elastic strips 18 are installed along the internal arc of the buffer capsule 16. The elastic strips 18 are close to the protective An elastic column 19 is arranged inside the trough at one end of the net 15. The elastic column 19 is a truncated cone-shaped elastic rubber column. The diameters of the two ends of the elastic column 19 are different. The end of the elastic column 19 with a larger diameter faces the protective net 15. One end of the elastic column 19 is fixedly connected to the elastic strip 18, and the other end of the elastic column 19 is fixedly connected to the buffer bag 16. A reinforcing spring 20 is arranged inside the trough at one end of the elastic strip 18 away from the elastic column 19. The installation direction of the reinforcing spring 20 is perpendicular to the elastic strip 18. The elastic supporting force of the reinforcing spring 20 is greater than the elastic supporting force of the elastic strip 18. One end of the reinforcing spring 20 is fixedly connected to the elastic strip 18, and the other end of the reinforcing spring 20 is fixedly connected to the inner wall of the buffer bag 16. By arranging the reinforcing spring 20, the elastic buffering effect of the elastic strip 18 can be increased, and the protective effect of the buffer bag 16 on the shelter 1 can be improved.

[0030] Furthermore, the counterweight mechanism 11 includes a mounting seat 21, a mounting groove 22 is provided inside the mounting seat 21, a plurality of positioning columns 23 are provided inside the mounting groove 22, the positioning columns 23 are cross-shaped hard rods, two adjacent groups of positioning columns 23 are arranged in parallel, one end of the positioning columns 23 is fixedly connected to the mounting seat 21, a counterweight block 24 is provided inside the mounting groove 22, the counterweight block 24 is a hard metal block, and a plug-in groove 25 is provided at one end of the outer side of the counterweight block 24, the plug-in groove 25 is a cross-shaped groove, the shape of the plug-in groove 25 is adapted to the positioning column 23, and the counterweight block 24 can be plugged in through the plug-in groove 25 On the outside of the positioning column 23, positioning components are provided at both ends of the outside of the mounting seat 21. The positioning components are connected to the mounting seat 21. One end of the positioning components extends to the inside of the mounting seat 21 to limit the counterweight block 24. The positioning components include an adjusting rod 26. The adjusting rod 26 is a metal strip rod. The adjusting rod 26 is threadedly connected to the mounting seat 21. One end of the adjusting rod 26 extends to the inside of the mounting seat 21. A clamping plate 27 is provided at one end of the adjusting rod 26 close to the counterweight block 24. The clamping plate 27 is a hard metal plate. One end of the clamping plate 27 is in contact with the counterweight block 24, and one end of the clamping plate 27 is movably connected to the adjusting rod 26.

[0031] It should be noted that the present invention is a mine blasting and crushing rock protection device for mining engineering. When in use, the equipment is first hoisted to a predetermined position as a whole by a hoisting tool, and then the counterweight 24 is installed inside the mounting seat 21. When installing the counterweight 24, the plug-in slot 25 can be inserted into the outer side of the positioning column 23, and then the adjusting rod 26 is rotated. The adjusting rod 26 will push the clamping plate 27 to move during the rotation, and the clamping plate 27 will contact the surface of the counterweight 24 during the movement. The counterweight 24 can be clamped by two groups of clamping plates 27. By setting the clamping plate 27, the installation stability of the counterweight 24 can be improved to prevent the counterweight 24 from falling off from the mounting seat 21, and then the electric telescopic rod 8 is started. The output end of the electric telescopic rod 8 drives the protective mechanism 10 to rise, and moves the protective mechanism 10 to the predetermined protective height. Then the workers enter the shelter 1 through the shed door 2 to take shelter. During the blasting process, the protective buffer layer 14 and the protective net 15 can protect the gravel produced by the blasting. The vibration force generated during the impact of the gravel will be transmitted to the buffer capsule 16. The shock-absorbing gas 17 arranged inside the buffer capsule 16 can buffer the vibration force of the gravel impact. The elastic strip 18 and the reinforcing spring 20 arranged inside the buffer capsule 16 can increase the elastic buffering effect of the buffer capsule 16, thereby effectively reducing the vibration force generated by the impact of the gravel, and affecting the workers inside the shelter 1. By setting the protective mechanism 10, the protective buffer layer 14 and the protective net 15 inside the protective mechanism 10 can protect the gravel produced by the blasting, and the buffer capsule 16 can dampen the vibration force generated by the impact of the gravel, which can effectively reduce the impact of the impact vibration force on the workers and improve the protection effect. By providing the counterweight mechanism 11, the overall stability of the shelter 1 can be increased to prevent the shelter 1 from tilting due to blasting vibration. By adding the counterweight block 24, the safety and stability of the shelter 1 can be ensured and the safety of the shelter 1 can be increased.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A mine blasting and rock crushing protection device for mining engineering, comprising a shelter shed (1), wherein one end of the shelter shed (1) is provided with a shed door (2), one end of the shelter shed (1) is provided with a vent (4), one end of the shelter shed (1) is provided with an observation window (5), one end of the shelter shed (1) is provided with two groups of bases (6), one end of the base (6) is fixedly connected to the shelter shed (1), two ends of the outer side of the base (6) are provided with support frames (7), one end of the support frame (7) is fixedly connected to the base (6), the upper end of the support frame (7) is provided with a slide groove (9), and the support frame (7) is provided with an electric telescopic rod (8) inside, characterized in that: A protective mechanism (10) is provided at the upper end of the base (6), and the protective mechanism (10) is installed between the two groups of support frames (7). The lower end of the protective mechanism (10) is connected to the electric telescopic rod (8), and the two ends of the protective mechanism (10) are slidably connected to the slide groove (9); the protective mechanism (10) includes a protective plate (13), and the protective plate (13) is a C-shaped bent steel plate. Slide blocks (12) are provided at both ends of the outer side of the protective plate (13), one end of the slide block (12) is fixedly connected to the protective plate (13), and one end of the slide block (12) is slidably installed in the slide groove (9). A buffer component is provided inside the plate (13), one end of the buffer component is fixedly connected to the protective plate (13), one end of the buffer component is provided with a protective net (15), the protective net (15) is a steel wire woven net, both ends of the protective net (15) are fixedly connected to the protective plate (13), one end of the protective net (15) is provided with a protective buffer layer (14), the protective buffer layer (14) is a rubber belt woven net, the protective buffer layer (14) is fixedly connected to the protective plate (13), and one end of the shelter (1) is provided with a counterweight mechanism (11), one end of the counterweight mechanism (11) is fixedly connected to the shelter (1).

2. A mine blasting rock protection device for mining engineering according to claim 1, characterized in that: The buffer assembly comprises a buffer capsule (16), the buffer capsule (16) is an elastic rubber capsule, the buffer capsule (16) is arranged in an arc shape, the curvature of the buffer capsule (16) is adapted to the protective plate (13), one end of the buffer capsule (16) is fixedly connected to the protective plate (13), the other end of the buffer capsule (16) is in contact with the protective net (15), and the buffer capsule (16) is filled with shock-absorbing gas (17).

3. A mine blasting rock protection device for mining engineering according to claim 2, characterized in that: A plurality of groups of elastic strips (18) are arranged inside the buffer capsule (16), wherein the elastic strips (18) are wavy elastic metal strips, and both ends of the elastic strips (18) are fixedly connected to the buffer capsule (16). An elastic column (19) is arranged at one end of the elastic strip (18), and one end of the elastic column (19) is fixedly connected to the elastic strip (18), and the other end of the elastic column (19) is fixedly connected to the buffer capsule (16).

4. A mine blasting rock protection device for mining engineering according to claim 3, characterized in that: The elastic column (19) is a truncated cone-shaped elastic rubber column. The two ends of the elastic column (19) have different diameters, and the end of the elastic column (19) with a larger diameter faces the protective net (15).

5. The device for protecting against blasting and crushing rocks used in mining engineering according to claim 3, characterized in that: A reinforcing spring (20) is provided at one end of the elastic strip (18); the installation direction of the reinforcing spring (20) is perpendicular to the elastic strip (18); the elastic support force of the reinforcing spring (20) is greater than the elastic support force of the elastic strip (18); one end of the reinforcing spring (20) is fixedly connected to the elastic strip (18); and the other end of the reinforcing spring (20) is fixedly connected to the inner wall of the buffer bag (16).

6. A mine blasting rock protection device for mining engineering according to claim 1, characterized in that: The counterweight mechanism (11) comprises a mounting seat (21), a mounting groove (22) is provided inside the mounting seat (21), a positioning column (23) is provided inside the mounting groove (22), a counterweight block (24) is provided inside the mounting groove (22), a plug-in groove (25) is provided at one end of the counterweight block (24), the plug-in groove (25) is matched with the positioning column (23), positioning components are provided at both ends of the outer side of the mounting seat (21), and one end of the positioning component extends into the mounting seat (21) to limit the counterweight block (24).

7. A mine blasting rock protection device for mining engineering according to claim 6, characterized in that: The positioning columns (23) are cross-shaped hard rods. Two adjacent groups of positioning columns (23) are arranged in parallel. One end of the positioning column (23) is fixedly connected to the mounting seat (21).

8. A mine blasting rock protection device for mining engineering according to claim 6, characterized in that: The positioning assembly comprises an adjusting rod (26), the adjusting rod (26) being threadedly connected to the mounting seat (21), one end of the adjusting rod (26) extending into the interior of the mounting seat (21), one end of the adjusting rod (26) being provided with a clamping plate (27), one end of the clamping plate (27) being in contact with the counterweight (24), and one end of the clamping plate (27) being movably connected to the adjusting rod (26).

9. The device for protecting against blasting and crushing rocks used in mining engineering according to claim 1, characterized in that: The upper end of the shelter shed (1) is provided with a lifting hook (3), and the lower end of the lifting hook (3) is fixedly connected to the shelter shed (1).

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