Tunnel blasting hole charging device

By using threaded rods and packing partitions in a U-shaped charging tube to adjust the position of explosive powder, the problem of uneven distribution of explosive powder in the prior art is solved, and the blasting effect in tunnel construction is improved.

CN223346056UActive Publication Date: 2025-09-16TIANJIN ZHENJIN ENG GRP
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Patent Information

Application Number
CN202422814713.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-09-16
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing U-shaped tubes make it difficult to properly distribute explosive powder during tunnel construction, resulting in unsatisfactory blasting effects.

Method used

A U-shaped charging tube is used, with a threaded rod installed between the inner and outer sealing plates. A sub-packaging partition is passed through the threaded rod. The position of the sub-packaging partition is adjusted by adjusting the nut to achieve a reasonable layout of the explosive powder. It is also equipped with a gripping handle, a vibrating block and a roller to facilitate charging and discharging.

Benefits of technology

The reasonable distribution of explosive powder in the hole is achieved, and the blasting effect is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a tunnel blasting hole charging device which comprises a U-shaped charging pipe, an inner sealing plate is installed at the inner end of the U-shaped charging pipe, an outer sealing plate is installed at the outer end of the U-shaped charging pipe, a threaded rod is installed between the inner sealing plate and the outer sealing plate, a plurality of split charging partition plates are arranged on the threaded rod in a penetrating mode, and adjusting nuts are arranged on the portions, on the two sides of each split charging partition plate, of the threaded rod. A holding handle is arranged on the outer end face of the outer sealing plate. The split charging partition plates can be adjusted according to the actual distribution positions of the explosive powder filling pipes, then the explosive powder with the corresponding mass is arranged in the gaps between the corresponding split charging partition plates, reasonable distribution of the powder is achieved, and the blasting effect is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of blast hole charging, in particular to a tunnel blast hole charging device. Background Art

[0002] During tunnel construction, blasting operations are often required. Typically, blasting is performed by filling holes with explosive powder. The explosive powder is first placed in a U-shaped tube, which is then used to deliver the powder into the blast hole to complete the charge. However, existing U-shaped tubes cannot effectively distribute the explosive powder at the relevant locations in the hole, resulting in less than ideal blasting results. Utility Model Content

[0003] The utility model aims to solve the deficiencies of the prior art and provides a tunnel blasting hole charging device.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] A tunnel blasting hole charging device includes a U-shaped charging tube, an inner sealing plate is installed at the inner end of the U-shaped charging tube, and an outer sealing plate is installed at the outer end. A threaded rod is installed between the inner sealing plate and the outer sealing plate, and a plurality of sub-packaging partitions are passed through the threaded rod. Adjustment nuts are provided on both sides of each sub-packaging partition on the threaded rod, and a gripping handle is provided on the outer end surface of the outer sealing plate.

[0006] A hanging plate is provided at the bottom of the outer sealing plate, a vertical through hole is provided on the hanging plate, an operating rod is provided in the vertical through hole, a rapping block is provided at one end of the operating rod located at the bottom of the U-shaped charge tube, and an operating handle is provided at the other end of the operating rod.

[0007] An n-shaped plate is provided at the bottom of the inner sealing plate, and rollers are rotatably installed between two side plates of the n-shaped plate.

[0008] The beneficial effect of the utility model is that the several packaging partitions of the utility model can be adjusted according to the actual distribution position of the explosive powder filling tube, and then the corresponding mass of explosive powder is installed in the gap between the corresponding packaging partitions, so as to achieve a reasonable layout of the powder and achieve a better blasting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of the first aspect of the utility model;

[0010] Figure 2 This is a schematic structural diagram of the second aspect of the utility model;

[0011] Figure 3 This is a schematic diagram of the structure of the third direction of the utility model;

[0012] In the figure: 1-U-shaped charging tube; 2-inner sealing plate; 3-outer sealing plate; 4-threaded rod; 5-packaging partition; 6-adjusting nut; 7-holding handle; 8-hanging plate; 9-vertical through hole; 10-operating rod; 11-rapping block; 12-operating handle; 13-n-shaped plate; 14-roller;

[0013] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0014] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are all in a very simplified form and are not to exact proportions, and are only used to facilitate and clearly illustrate the embodiments of the present invention.

[0015] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] like Figures 1 to 3 As shown, a tunnel blasting hole charging device includes a U-shaped charging tube 1, an inner sealing plate 2, an outer sealing plate 3, a threaded rod 4, a charging partition 5, an adjusting nut 6, a holding handle 7, a hanging plate 8, a vertical through hole 9, an operating rod 10, a rapping block 11, an operating handle 12, an N-shaped plate 13 and a roller 14.

[0019] The U-shaped charge tube 1 is processed to a suitable length according to the length of the hole. Of course, a corresponding length can also be obtained by connecting multiple branch tubes.

[0020] An inner sealing plate 2 is installed at the inner end of the U-shaped charge tube 1 and an outer sealing plate 3 is installed at the outer end. The inner sealing plate 2 is detachably mounted on the inner end surface of the U-shaped charge tube 1 by a plurality of bolts, and the outer sealing plate 3 is detachably mounted on the outer end surface of the U-shaped charge tube 1 by a plurality of bolts.

[0021] A threaded rod 4 is installed between the inner sealing plate 2 and the outer sealing plate 3. A number of sub-packaging partitions 5 are passed through the threaded rod 4. Adjustment nuts 6 are provided on both sides of each sub-packaging partition 5 on the threaded rod 4. The number of sub-packaging partitions 5 can be adjusted according to the actual distribution position of the explosive powder filling tube, and then the corresponding mass of explosive powder is installed in the gap between the corresponding sub-packaging partitions 5 to achieve a reasonable layout of the powder and a better blasting effect.

[0022] A gripping handle 7 is provided on the outer end surface of the outer sealing plate 3 , and the gripping handle 7 is a U-shaped structure.

[0023] The U-shaped charge tube 1 can be manipulated to enter the blasting hole by holding the handle 7, and the U-shaped charge tube 1 can also be turned over after entering to pour out the powder.

[0024] A hanging plate 8 is provided at the bottom of the outer sealing plate 3, and a vertical through hole 9 is provided on the hanging plate 8. An operating rod 10 is provided in the vertical through hole 9. A rapping block 11 is provided at one end of the operating rod 10 located at the bottom of the U-shaped charging tube 1, and an operating handle 12 is provided at the other end of the operating rod 10.

[0025] When pouring out the powder, the operating handle 12 can be used to continuously drive the rapping block 11 to knock on the outer wall of the U-shaped charge tube 1 to form rapping, so that the powder can be poured out more thoroughly and completely.

[0026] An n-shaped plate 13 is provided at the bottom of the inner sealing plate 2, and rollers 14 are rotatably mounted between the two side plates of the n-shaped plate 13. The rollers 14 can make the U-shaped charge tube 1 enter the hole more smoothly.

[0027] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or they are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A tunnel blasting hole charging device, characterized in that: The invention comprises a U-shaped charge tube (1), wherein an inner sealing plate (2) is installed at the inner end of the U-shaped charge tube (1) and an outer sealing plate (3) is installed at the outer end thereof, a threaded rod (4) is installed between the inner sealing plate (2) and the outer sealing plate (3), a plurality of sub-packaging partitions (5) are passed through the threaded rod (4), and an adjusting nut (6) is provided on both sides of each sub-packaging partition (5) on the threaded rod (4), and a gripping handle (7) is provided on the outer end surface of the outer sealing plate (3).

2. A tunnel blasting hole charging device according to claim 1, characterized in that: A hanging plate (8) is provided at the bottom of the outer sealing plate (3), a vertical through hole (9) is provided on the hanging plate (8), an operating rod (10) is provided in the vertical through hole (9), a rapping block (11) is provided at one end of the operating rod (10) located at the bottom of the U-shaped charge tube (1), and an operating handle (12) is provided at the other end of the operating rod (10).

3. A tunnel blasting hole charging device according to claim 2, characterized in that: An n-shaped plate (13) is provided at the bottom of the inner sealing plate (2), and rollers (14) are rotatably installed between two side plates of the n-shaped plate (13).

4. A tunnel blasting hole charging device according to claim 3, characterized in that: The inner sealing plate (2) is detachably mounted on the inner end surface of the U-shaped charge tube (1) via a plurality of bolts.

5. The tunnel blasting hole charging device according to claim 4, characterized in that: The outer sealing plate (3) is detachably mounted on the outer end surface of the U-shaped charge tube (1) via a plurality of bolts.

6. The tunnel blasting hole charging device according to claim 5, characterized in that: The gripping handle (7) is a U-shaped structure.