Buffer strip for vibration reduction in open-air deep-hole bench blasting
The buffer strip for open-pit deep-hole bench blasting addresses uneven cracks and inefficient vibration reduction by using explosion-proof covers, soundproofing, and water bags to absorb explosive energy, achieving uniform crack patterns and reduced environmental impact.
Patent Information
- Application Number
- CN202422478508.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The cracks in the existing open-pit deep hole step blasting buffer zone are uneven in the pre-cracking area, poor vibration reduction effect, unreasonable layout, which affects the environment and safety.
A buffer belt structure including dustproof cover, sound insulation cotton, iron mesh, annular water bag and vibration-absorbing pipe is designed to discharge explosive pressure through the pressure discharge hole, use the water bag to drain the water to reduce dust pollution, vibration-absorbing hose to reduce vibration, and sound insulation cotton to reduce noise.
It achieves a more neat crack distribution, improves vibration reduction effect, reduces environmental pollution and noise impacts, and improves the safety and environmental friendliness of mine development.
Smart Images
Figure CN223106817U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vibration reduction in open-pit deep-hole bench blasting, and specifically relates to a buffer belt for vibration reduction in open-pit deep-hole bench blasting. Background Technique
[0002] With the development of China's mining industry, open-pit deep-hole bench blasting is widely used. Open-pit deep-hole bench blasting affects adjacent slopes. Currently, in order to eliminate the impact of open-pit deep-hole bench blasting on slopes, buffer belts are usually used to achieve the effect of vibration reduction. However, there are problems such as uneven cracks in the pre-splitting area, poor vibration reduction effect, and unreasonable layout.
[0003] The main function of the buffer belt is to absorb and dissipate the energy generated by the explosion wave, thereby reducing the impact on the surrounding rock mass and environment. In the design, the buffer belt adopts a combination of multi-layer heterogeneous materials to achieve good energy absorption effect. The materials include but are not limited to rubber, polyurethane, composite fibers, etc. These materials have different elastic moduli and damping characteristics. With the continuous development of deep-hole blasting technology, the demand for reducing environmental impact is becoming more and more urgent. Through reasonable design and material combination, effective suppression of blasting vibration can be achieved. This not only helps to improve the safety and environmental friendliness of mine development, but also provides new ideas and tools for engineering practices in related fields.
[0004] In the prior art, the cracks in the pre-splitting area are flat, the vibration reduction effect is good, and the layout is reasonable, which can effectively solve the problems in the background technique. Therefore, the utility model proposes a buffer belt for vibration reduction in open-pit deep-hole bench blasting to solve the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to provide a buffer belt for vibration reduction in open-pit deep-hole bench blasting to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A buffer belt for vibration reduction in open-pit deep-hole bench blasting, the buffer belt for vibration reduction in open-pit deep-hole bench blasting includes:
[0007] A mountain body, on one side outer wall of which there is a dust-proof cover, on one side inner wall of the dust-proof cover there is sound-absorbing cotton fixedly installed, on one side inner wall of the dust-proof cover there is an iron net fixedly installed, and on one side inner wall of the iron net there is an annular water bag fixedly installed;
[0008] On one side outer wall of the mountain body, there are a number of blasting holes opened, on one side inner wall of each blasting hole there is a shock-absorbing pipe fixedly installed, on the outer circular surface of the shock-absorbing pipe there are a number of pressure relief holes opened, and on one side inner wall of the shock-absorbing pipe there is a shock-absorbing hose fixedly installed.
[0009] Preferably, on one side outer wall of the mountain body there is a buffer zone, and on one side outer wall of the mountain body there is a slope fixedly connected.
[0010] Preferably, the iron net is fixedly installed on the inner wall of one side of the dust cover by screws.
[0011] Preferably, drain holes are symmetrically formed in the outer wall of one side of the dust cover, and a fixed outer ring is fixedly connected to the outer wall of one side of the dust cover.
[0012] Preferably, the fixed outer ring is fixedly installed on the outer wall of one end of the shock-absorbing pipe by screws, and a plurality of screws are fixedly installed on the outer wall of one side of the fixed outer ring.
[0013] Preferably, an explosive storage hole is formed in the outer wall of one end of the shock-absorbing hose.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] For the buffer belt for reducing vibration in open-pit deep-hole bench blasting proposed by the present utility model, the evenly distributed pressure discharge holes formed in the outer circumference of the shock-absorbing pipe can discharge the pressure generated by the explosive to form relatively neat cracks. At the same time, due to the impact force of the explosive, the annular water bag in the dust cover is broken, and the water in the annular water bag is discharged from the drain holes to increase the air humidity and reduce the environmental pollution caused by dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic structural diagram of the present utility model;
[0017] Figure 2 It is the present utility model Figure 1 Enlarged view of area A in;
[0018] Figure 3 It is a schematic diagram of the fully-sectioned side structure of the present utility model;
[0019] Figure 4 It is a schematic diagram of the shock absorber structure of the present utility model;
[0020] Figure 5 It is the present utility model Figure 4 Enlarged view of area B in.
[0021] In the figure: 1, mountain body; 2, blasting hole; 3, dust cover; 4, shock-absorbing pipe; 5, pressure discharge hole; 6, iron net; 7, shock-absorbing hose; 8, buffer zone; 9, screw; 10, sound insulation cotton; 11, slope; 12, annular water bag; 13, explosive storage hole; 14, fixed outer ring; 15, drain hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] In order to clearly and completely describe the purpose and technical solution of the present utility model, and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of them. They are only used to explain the embodiments of the present utility model and are not used to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present utility model.
[0023] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: a buffer zone for vibration reduction in open-pit deep-hole bench blasting. The buffer zone for vibration reduction in open-pit deep-hole bench blasting includes:
[0024] A mountain body 1, on one side of the outer wall is provided with a dust-proof cover 3, and the dust-proof cover 3 is used to prevent the dust in the vibration damping pipe 4 from escaping. On one side of the inner wall of the dust-proof cover 3, a sound-absorbing cotton 10 is fixedly installed. The sound-absorbing cotton 10 is fixedly installed on one side of the inner wall of the dust-proof cover 3 by glue. The sound-absorbing cotton 10 effectively reduces the noise generated by blasting and reduces the impact on construction workers and surrounding villages. On one side of the inner wall of the dust-proof cover 3, an iron net 6 is fixedly installed. The iron net 6 is fixedly installed on one side of the inner wall of the dust-proof cover 3 by screws 9. The iron net 6 prevents larger test blocks in the vibration damping pipe 4 from breaking the dust-proof cover 3 during blasting. On one side of the inner wall of the iron net 6, an annular water bag 12 is fixedly installed. The annular water bag 12 is fixedly installed on one side of the inner wall of the iron net 6 by glue. The annular water bag 12 is broken by the impact generated by blasting, and the water in the annular water bag 12 is discharged from the drain hole 15 to increase the air humidity to reduce the environmental pollution caused by dust;
[0025] On one side of the outer wall of the mountain body 1, a plurality of blasting holes 2 are opened. The blasting holes 2 are evenly distributed at equal intervals on one side of the outer wall of the mountain body 1. The blasting holes 2 are used for blasting and placing the vibration damping pipe 4. On one side of the inner wall of each blasting hole 2, a vibration damping pipe 4 is fixedly installed. The vibration damping pipe 4 is used for vibration reduction through a vibration damping hose 7 during blasting. The vibration damping pipe 4 discharges pressure through a pressure discharge hole 5 to prevent the damage of the vibration damping pipe 4 during blasting. A plurality of pressure discharge holes 5 are opened on the outer surface of the vibration damping pipe 4. The pressure discharge holes 5 are evenly distributed on the outer surface of the vibration damping pipe 4. On one side of the inner wall of the vibration damping pipe 4, a vibration damping hose 7 is fixedly installed. The vibration damping hose 7 is used to reduce the vibration generated by blasting, so that the buffer zone 8 has more regular cracks.
[0026] On one side of the outer wall of the mountain body 1, a buffer zone 8 is provided. The function of the buffer zone 8 is to divide the blasting holes 2. On one side of the outer wall of the mountain body 1, a slope 11 is fixedly connected. During blasting, the damage to the slope 11 needs to be reduced. The iron net 6 is fixedly installed on one side of the inner wall of the dust-proof cover 3 by screws 9.
[0027] On one side outer wall of the dust-proof cover 3, drainage holes 15 are symmetrically provided. The drainage holes 15 are used to drain the water in the annular water bag 12 during blasting. On one side outer wall of the dust-proof cover 3, a fixed outer ring 14 is fixedly connected, and the fixed outer ring 14 is welded on one side outer wall of the dust-proof cover 3.
[0028] The fixed outer ring 14 is fixedly installed on one end outer wall of the shock-absorbing tube 4 through screws 9. A number of screws 9 are fixedly installed on one side outer wall of the fixed outer ring 14. On one end outer wall of the shock-absorbing hose 7, an explosive storage hole 13 is provided. The explosive storage hole 13 is used to put explosives for subsequent blasting. The explosives are put into the explosive storage hole 13, and then the dust-proof cover 3 and the shock-absorbing tube 4 are fixedly connected through the screws 9. Then all the shock-absorbing tubes 4 are put into the blasting hole 2, and then the explosives are started. The explosives explode in the shock-absorbing tube 4, and the vibration of the bomb is shock-absorbed by the shock-absorbing hose 7. At the same time, the dust-proof cover 3 prevents the dust in the shock-absorbing tube 4 from being discharged.
[0029] When the device works, first put the explosives into the explosive storage hole 13, then fixedly connect the dust-proof cover 3 and the shock-absorbing tube 4 through the screws 9, then put all the shock-absorbing tubes 4 into the blasting hole 2, and then start the explosives. The explosives explode in the shock-absorbing tube 4, and the vibration generated by the bomb is shock-absorbed by the shock-absorbing hose 7. Then the pressure generated inside the shock-absorbing tube 4 is discharged through the pressure relief hole 5, causing the buffer area 8 to be impacted to generate relatively neat cracks. At the same time, the dust-proof cover 3 prevents the dust in the shock-absorbing tube 4 from being discharged. On one side inner wall of the dust-proof cover 3, a sound-absorbing cotton 10 is fixedly installed to effectively reduce sound pollution. An annular water bag 12 is fixedly installed inside the dust-proof cover 3. The impact generated by the explosives causes the annular water bag 12 to burst, and the water in the annular water bag 12 is discharged from the drainage hole 15 to increase the air humidity to reduce the environmental pollution caused by dust.
[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A buffer zone for vibration reduction in open-pit deep-hole bench blasting, characterized in that: The buffer zone for vibration reduction in open-pit deep-hole bench blasting includes: A mountain body (1), on one side of the outer wall, there is a dust-proof cover (3). On one side of the inner wall of the dust-proof cover (3), there is a sound-absorbing cotton (10) fixedly installed. On one side of the inner wall of the dust-proof cover (3), there is an iron net (6) fixedly installed. On one side of the inner wall of the iron net (6), there is an annular water bag (12) fixedly installed. On one side of the outer wall of the mountain body (1), there are several blasting holes (2) opened. On one side of the inner wall of each blasting hole (2), there is a vibration reduction pipe (4) fixedly installed. On the outer circular surface of the vibration reduction pipe (4), there are several pressure relief holes (5) opened. On one side of the inner wall of the vibration reduction pipe (4), there is a vibration reduction hose (7) fixedly installed.
2. The buffer zone for vibration reduction in open-pit deep-hole bench blasting according to claim 1, characterized in that: On one side of the outer wall of the mountain body (1), there is a buffer zone (8) provided. On one side of the outer wall of the mountain body (1), there is a slope (11) fixedly connected.
3. The buffer zone for vibration reduction in open-pit deep-hole bench blasting according to claim 1, characterized in that: The iron net (6) is fixedly installed on one side of the inner wall of the dust-proof cover (3) through screws (9).
4. A buffer zone for vibration reduction in open-pit deep-hole bench blasting according to claim 1, characterized in that: On one side of the outer wall of the dust-proof cover (3), there are drain holes (15) symmetrically opened. On one side of the outer wall of the dust-proof cover (3), there is a fixed outer ring (14) fixedly connected.
5. A buffer zone for vibration reduction in open-pit deep-hole bench blasting according to claim 4, characterized in that: The fixed outer ring (14) is fixedly installed on one end of the outer wall of the vibration reduction pipe (4) through screws (9). On one side of the outer wall of the fixed outer ring (14), there are several screws (9) fixedly installed.
6. The buffer zone for vibration reduction in open-pit deep-hole bench blasting according to claim 1, characterized in that: On one end of the outer wall of the vibration reduction hose (7), there is an explosive storage hole (13) opened.