Composite energy dissipation blasting device
By employing a composite energy-dissipating blasting device in the construction of long-distance tunnels with large cross sections, and utilizing a combination of a flexible buffer layer and a high wave impedance pad, the problems of large explosive consumption and severe damage to the foundation surface in traditional blasting techniques have been solved, thereby improving construction efficiency and protecting the foundation surface.
Patent Information
- Application Number
- CN202423226825.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Traditional blasting techniques suffer from problems such as large explosive consumption and difficulty in controlling blasting effects during the construction of long-distance tunnels with large cross-sections, leading to severe damage to the foundation surface.
A composite energy-dissipating blasting device is adopted, which includes a combination of a flexible buffer layer, an air cushion, a high wave impedance pad, and an explosive tube. It utilizes the shock wave reflection and buffering effect to reduce the impact on the foundation surface.
This effectively reduced the impact of blasting on the foundation surface, ensuring construction safety and the integrity of the foundation surface, and improving construction efficiency.
Smart Images
Figure CN223525693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to infrastructure construction technical field, concretely is a composite energy dissipation blasting device. BACKGROUND
[0002] With the rapid development of national infrastructure construction, as a key engineering structure, large-section long-distance tunnel plays an increasingly important role in the fields of water conservancy, transportation and other fields. However, the construction process of such tunnels usually faces complex geological conditions, high construction difficulty and high engineering cost and other problems. The construction of such tunnels usually adopts blasting construction technology, and the traditional blasting technology has problems such as large amount of explosive, difficult to control blasting effect, and large damage to the foundation surface. Therefore, the project aims to solve the above problems through in-depth research on the blasting and composite energy dissipation blasting technology based on large-section long-distance tunnel, improve the construction efficiency, ensure the construction safety, protect the integrity of the foundation surface, and promote the innovation and development of blasting technology.
[0003] Therefore, a composite energy dissipation blasting device is needed to improve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a composite energy dissipation blasting device to solve the problems in the background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A composite energy dissipation blasting device, comprising a blast hole, a flexible buffer layer is arranged on the right side of the blast hole, air cushions are uniformly arranged in the flexible buffer layer, high wave impedance pads are arranged in the blast hole and on the right side of the flexible buffer layer, a substrate is arranged in the blast hole and on the right side of the high wave impedance pad, an explosive tube is arranged in the blast hole and on the right side of the substrate, a dense plug hole layer is filled in the right side sealing of the blast hole, and an initiating cord is arranged in the explosive tube.
[0007] As a preferred scheme of the utility model, the flexible buffer layer is laid with loose sand material.
[0008] As a preferred scheme of the utility model, the air cushion is made of rubber material, and the inside of the air cushion is filled with gas.
[0009] As a preferred scheme of the utility model, the high wave impedance pad has a spherical structure design.
[0010] As a preferred scheme of the utility model, the explosive tube is bound with bamboo chips, and the inside of the bamboo chips is filled with explosive.
[0011] The compact hole plugging layer is made of rock powder.
[0012] As a preferred scheme of the utility model, the right end of the detonating cord penetrates the compact hole plugging layer and extends to outside the blast hole.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1、In the utility model, the composite energy dissipation structure is formed by installing the high wave impedance spherical pad, the air cushion and laying the loose sand cushion layer in the inside of the blast hole, the impact of the blasting on the building base is reduced by the reflection of the shock wave on the high wave impedance base and the buffering effect of the loose sand cushion layer, and the integrity of the building base is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the overall structure schematic view of the utility model;
[0016] Fig. 2 It is the blast hole structure schematic view of the utility model;
[0017] Fig. 3 It is the flexible cushion layer structure schematic view of the utility model.
[0018] In the drawing: 1, blast hole; 2, flexible cushion layer; 3, air cushion; 4, high wave impedance pad; 5, base plate; 6, explosive tube; 7, compact hole plugging layer; 8, detonating cord. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be apparently, clearly and completely described below in conjunction with the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.
[0020] In order to facilitate understanding of the utility model, the utility model will be more fully described below in conjunction with relevant drawings, and several embodiments of the utility model are given, but the utility model can be realized in many different forms, and is not limited to the embodiments described in the present text, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] It is to be understood that where an element is referred to as being "on" another element, it can be directly on the element or intervening elements can also be present. Where an element is referred to as being "connected", it is understood that, while the
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety.
[0023] Embodiment, please refer to Figs. 1-3 The utility model provides a technical scheme:
[0024] A composite energy dissipation blasting device, including blast hole 1, the right side of blast hole 1 inside is provided with flexible buffer layer 2, the inside of flexible buffer layer 2 is evenly provided with air cushion 3, the inside of blast hole 1 and located the right side of flexible buffer layer 2 is provided with high wave impedance pad 4, the inside of blast hole 1 and located the right side of high wave impedance pad 4 is provided with base plate 5, the inside of blast hole 1 and located the right side of base plate 5 is provided with explosive tube 6, the right side sealing of blast hole 1 is filled with dense plug layer 7, the inside of explosive tube 6 is provided with detonating cord 8.
[0025] In this embodiment, flexible buffer layer 2 is laid with loose sand material, air cushion 3 is made of rubber material, and the inside of air cushion 3 is filled with gas, high wave impedance pad 4 is designed as a spherical structure, explosive tube 6 is bound with bamboo chips, and the inside of the bamboo chips is filled with explosives, dense plug layer 7 is made of rock powder, and the right end of detonating cord 8 penetrates dense plug layer 7 and extends to the outside of blast hole 1, a composite energy dissipation structure is formed by installing high wave impedance spherical pad, air cushion 3 and laying loose sand pad in the inside of blast hole 1, the impact of blasting on the building surface is reduced by the reflection of shock wave on the high wave impedance base and the buffering effect of loose sand pad, and the integrity of the building surface is ensured.
[0026] The utility model discloses a working procedure: first, drill blast hole 1, then fill the loose sand in blast hole 1, fill the air cushion 3 in the filling loose sand time, after the loose sand filling is completed, the flexible buffer layer 2 is formed, and the high wave impedance pad 4 is inserted into blast hole 1, then the base plate 5 is inserted into blast hole 1, then the explosive tube 6 is inserted into blast hole 1, and the detonating cord 8 is exposed outside blast hole 1, then the blast hole 1 is sealed with the rock powder, then the explosive tube 6 is detonated through the detonating cord 8, and the flexible buffer layer 2, air cushion 3 and high wave impedance pad 4 can play the role of composite energy dissipation, the high wave impedance spherical pad, air cushion 3 and loose sand pad layer are installed in blast hole 1, the composite energy dissipation structure is formed, the impact of blasting on the building base is reduced through the reflection of the shock wave on the high wave impedance base and the buffering effect of the loose sand pad layer, and the integrity of the building base is guaranteed.
[0027] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A composite energy dissipating blasting device comprising a blasthole (1), characterized in that: The right side of the blast hole (1) is provided with a flexible buffer layer (2), the inside of the flexible buffer layer (2) is uniformly provided with an air cushion (3), the inside of the blast hole (1) and the right side of the flexible buffer layer (2) are provided with a high wave impedance pad (4), the inside of the blast hole (1) and the right side of the high wave impedance pad (4) are provided with a base plate (5), the inside of the blast hole (1) and the right side of the base plate (5) are provided with an explosive tube (6), the right side of the blast hole (1) is filled with a dense hole sealing layer (7), and the inside of the explosive tube (6) is provided with a detonating cord (8).
2. A composite energy dissipation blast device according to claim 1, characterized in that: The flexible buffer layer (2) is made of loose sand material.
3. A composite energy dissipation blast device according to claim 1, characterized in that: The air cushion (3) is made of rubber material, and the inside of the air cushion (3) is filled with gas.
4. A composite energy dissipation blast device according to claim 1, characterized in that: The high wave impedance pad (4) is designed in a spherical structure.
5. A composite energy dissipation blast device according to claim 1, characterized in that: The explosive tube (6) is bound by bamboo pieces, and the inside of the bamboo pieces is filled with explosives.
6. A composite energy dissipation blast device according to claim 1, characterized in that: The dense hole sealing layer (7) is made of rock powder material.
7. A composite energy dissipation blast device according to claim 1, wherein: The right end of the detonating cord (8) penetrates the dense hole sealing layer (7) and extends to the outside of the blast hole (1).