Charging structure applied to tunnel excavation blasting

By employing a charging structure with lower and upper sealing plates in tunnel excavation blasting, and utilizing a moving mechanism and limiting block design, the problems of uneven charging and leakage were solved, achieving the stability and safety of the explosives and improving the blasting effect.

CN223691631UActive Publication Date: 2025-12-19SINOHYDRO ENG BUREAU 4
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Patent Information

Application Number
CN202423298654.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-19
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing blasting charge structures suffer from problems such as uneven charging, explosive shaking leading to unsatisfactory blasting effects, and explosive leakage during tunnel excavation.

Method used

The explosive loading structure includes a lower sealing plate and an upper sealing plate. Through the design of the moving mechanism and the limiting block, the explosive quantity can be precisely limited and fixed to avoid shaking and prevent leakage.

Benefits of technology

It improves the stability and safety of explosive loading, ensures the uniformity of blasting effect, reduces the risk of leakage, and enhances the reliability of loading and blasting effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of charging structures, and discloses a charging structure applied to tunnel excavation blasting, which comprises a lower sealing plate, a plurality of partition plates are arranged in the lower sealing plate, moving mechanisms for moving the partition plates are arranged on two sides of the partition plates, and each moving mechanism comprises a second notch formed in the top of the outer wall of the corresponding partition plate. First notches are formed in the bottoms of the outer walls of the two sides of the partition plate, mounting holes are formed in the tops of one sides of the inner walls of the two first notches, sliding rods are slidably arranged in the mounting holes, mounting rings are fixed to the outer walls of the sliding rods, and one ends of springs are fixed to the sides, close to the partition plate, of the mounting rings. According to the utility model, the effect of limiting the quantity of different explosives to prevent displacement is further realized, so that the device can be limited at a proper position, and more accurate control is provided, so that the stability of the explosives in the charging process is ensured, non-uniform blasting caused by shaking is avoided, and the whole blasting effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a charge structure technical field, especially a charge structure for tunnel excavation blasting. BACKGROUND

[0002] Tunnel blasting refers to that through correct selection of blasting parameters and reasonable construction method, sectional differential blasting is carried out, and the contour line after blasting meets the design requirement, when tunnel blasting is carried out, the explosion of explosive is generally used to break rock mass, and it is the most effective and the most widely used rock mass excavation and stripping method in the current tunnel excavation process, and the blasting charge structure needs to be used during blasting, and generally, blasting is carried out through light blasting fine cartridge, and then unified charging is carried out through binding light blasting string.

[0003] However, the existing blasting charge structure is not uniform during unified charging, the amount of explosive needed by each blasting point during tunnel excavation blasting is different, unified charging may cause uneven blasting, the explosive may shake in the blasting position, the blasting effect is not ideal, and the blasting charge structure is prone to the phenomenon of explosive leakage, therefore, the charge structure for tunnel excavation blasting is required to solve the problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a charge structure for tunnel excavation blasting.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A charge structure for tunnel excavation blasting, including lower sealing plate, the inside of lower sealing plate is equipped with a plurality of partition plates, the both sides of partition plate are equipped with moving mechanism and move,

[0007] The moving mechanism includes the second slot opening in the top of the outer wall of the both sides of the partition plate, the first slot is opened in the bottom of the outer wall of the both sides of the partition plate, the inner wall side top of the first slot is equipped with the mounting hole, the inside of the mounting hole is equipped with the sliding rod, the outer wall of the sliding rod is fixed with the mounting ring, one end of the spring is fixed on the side close to the partition plate of the mounting ring, the other end of the spring is fixed with the inner wall side of the mounting hole, the both sides of the sliding rod away from the partition plate are all fixed with the second limiting block, the both sides top of the inner wall of lower sealing plate is all fixed with the first limiting block, the one end of the second limiting block is arc-shaped, the first limiting block can limit the second limiting block, and then the position of the partition plate can be adjusted at will.

[0008] As a further scheme of the utility model, one end of the first limiting block is arc-shaped, the arc shape of the first limiting block and the arc shape of the second limiting block are matched with each other, when the partition plate moves, the arc surface of the second limiting block will contact the arc surface of the first limiting block, and then the position can be adjusted at will.

[0009] As a further scheme of the utility model, the bottom of the two second notches is provided with a moving sliding groove communicated with the first notch, the top of the two second limiting blocks is fixed with a poking column, the poking column passes through the moving sliding groove, and the poking column is slidably arranged in the moving sliding groove, and moving the poking column can drive the second limiting block to move.

[0010] As a further scheme of the utility model, the inner wall bottom of the lower sealing plate is provided with a first sliding groove, the inner wall two ends of the first sliding groove are fixed with guide rods, the outer wall of the guide rod is slidably provided with a plurality of sliding blocks, and the top of the plurality of sliding blocks is fixed with the bottom of the plurality of partition plates.

[0011] As a further scheme of the utility model, one end of the lower sealing plate is fixed with an insertion block.

[0012] As a further scheme of the utility model, the top side of the lower sealing plate is rotatably connected with an upper sealing plate.

[0013] As a further scheme of the utility model, the other side of the lower sealing plate and the upper sealing plate is fixed with two mounting plates, the top and the bottom of the mounting plate are provided with a communicated positioning hole, a matching threaded rod is arranged in the positioning hole, and the outer wall bottom of the threaded rod is provided with a matching nut.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses: because adopt the moving mechanism, move the partition plate, and the partition plate will drive the arc shape of the second limiting block and the arc shape of the first limiting block contact, and the second limiting block will drive the slide rod to retract into the mounting hole, when moving to the appropriate position, the spring will reset the slide rod, and then the first limiting block will limit the second limiting block, effectively solve the problem that the uniform charging in the background art can cause uneven blasting, and the explosive can shake in the position of blasting, cause the effect of blasting to be not ideal, and then realize the effect that the amount of different explosives can be limited to prevent displacement, make the device can be limited in the appropriate position, provide more accurate control, to ensure the stability of explosive in the charging process, avoid the uneven blasting caused by shaking, thereby improve the effect of the whole blasting.

[0016] The utility model discloses: because adopt lower sealing plate, upper sealing plate, rotate and the top of lower sealing plate of upper sealing plate and then through threaded rod, nut, the fixed that upper sealing plate and lower sealing plate can be, effectively solved the problem that the phenomenon of the most blasting charge structure easy to appear of mentioned in background art, and then reduced the risk of leakage of the medicine in blasting charge, improved the security and reliability of charge. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model;

[0018] Figure 2 A three-dimensional structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model; Figure 1 An enlarged structure schematic view of position A is provided for the utility model;

[0019] Figure 3 A lower sealing plate internal partial structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model;

[0020] Figure 4 A moving mechanism partial structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model;

[0021] Figure 5 A moving mechanism partial explosion structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model;

[0022] Figure 6 An enlarged structure schematic view of position B is provided for the utility model; Figure 5 A three-dimensional structure schematic view of a charge structure applied to tunnel excavation blasting is provided for the utility model;

[0023] In the drawing: 1, lower sealing plate; 100, first sliding groove; 101, upper sealing plate; 102, insert block; 103, mounting plate; 104, threaded rod; 105, nut; 2, partition; 200, first slot; 201, first limit block; 202, second slot; 203, guide rod; 204, sliding block; 205, knob; 206, mounting hole; 207, moving sliding groove; 208, second limit block; 209, sliding rod; 210, mounting ring; 211, spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] With reference to Figure 1 Figure 6 A charging structure applied to tunnel excavation blasting, comprising a lower sealing plate 1, a plurality of partition plates 2 are arranged in the lower sealing plate 1, and a moving mechanism is arranged on both sides of the partition plates 2 for moving the partition plates 2.

[0027] The moving mechanism comprises a second notch 202 arranged at the top of the outer wall of both sides of the partition plates 2, a first notch 200 arranged at the bottom of the outer wall of both sides of the partition plates 2, an installation hole 206 arranged at the top of one side of the inner wall of the two first notches 200, a sliding rod 209 arranged in the installation hole 206, an installation ring 210 fixed to the outer wall of the sliding rod 209, one end of a spring 211 fixed to the side of the installation ring 210 close to the partition plates 2, the other end of the spring 211 fixed to one side of the inner wall of the installation hole 206, a second limiting block 208 fixed to the side of both sliding rods 209 away from the partition plates 2, a first limiting block 201 fixed to the top of both sides of the inner wall of the lower sealing plate 1, the first limiting block 201 capable of limiting the second limiting block 208, thereby capable of adjusting the position of the partition plates 2 at will, and one end of the second limiting block 208 in arc shape.

[0028] In the embodiment, one end of the first limiting block 201 is in arc shape, the arc shape of the first limiting block 201 cooperates with the arc shape of the second limiting block 208, when the partition plates 2 move, the arc surface of the second limiting block 208 will contact the arc surface of the first limiting block 201, thereby extruding the second limiting block 208, and the position of the partition plates 2 can be adjusted at will.

[0029] In the embodiment, the bottom of the two second notches 202 is provided with a moving sliding groove 207 communicated with the first notch 200, the top of the two second limiting blocks 208 is provided with a pushing column 205, the pushing column 205 passes through the moving sliding groove 207, and the pushing column 205 is arranged in the moving sliding groove 207 in sliding mode, and moving the pushing column 205 can drive the second limiting block 208 to move.

[0030] In the embodiment, the inner wall of the lower sealing plate 1 is provided with a first sliding groove 100, the both ends of the inner wall of the first sliding groove 100 are provided with guide rods 203, the outer wall of the guide rods 203 is provided with a plurality of sliding blocks 204 in sliding mode, and the top of the plurality of sliding blocks 204 is fixed to the bottom of the plurality of partition plates 2.

[0031] In the embodiment, one end of the lower sealing plate 1 is fixed with an insertion block 102.

[0032] In the embodiment, the top of the lower sealing plate 1 is rotatably connected with an upper sealing plate 101.​

[0033] In this embodiment, the other side of the lower sealing plate 1 and the upper sealing plate 101 is fixed with two mounting plates 103, the top and bottom of the mounting plate 103 is provided with a through positioning hole, and a matching threaded rod 104 is arranged in the positioning hole, and a matching nut 105 is arranged on the outer wall of the bottom of the threaded rod 104.

[0034] Working principle: in use, first rotate the nut 105 to move away from the threaded rod 104, then open the upper sealing plate 101, first place part of the explosive in the inner end of the lower sealing plate 1, move the partition plate 2, the partition plate 2 will drive the corresponding sliding block 204 to slide in the guide rod 203, the sliding block 204 will move in the first sliding groove 100, the partition plate 2 will drive the second limiting block 208 to move, the arc surface of the second limiting block 208 will contact with the arc surface of the first limiting block 201, then the second limiting block 208 will be extruded, the second limiting block 208 will drive the sliding rod 209 to retract into the mounting hole 206, one end of one of the partition plates 2 contacts one end of the explosive, stop moving the partition plate 2, the spring 211 will reset the second limiting block 208, the first limiting block 201 will limit the second limiting block 208, and then the explosive can be limited, repeat the above operation, different amounts of explosives can be placed between each partition plate 2, rotate the two rotating columns 205, the rotating column 205 will drive the second limiting block 208 to move, the second limiting block 208 will drive the sliding rod 209 to move in the mounting hole 206, the second limiting block 208 will move away from the first limiting block 201, then the partition plate 2 can be moved away from the explosive, and then the number of partition layers required can be adjusted according to the demand, then rotate the upper sealing plate 101 to seal the lower sealing plate 1, then pass the threaded rod 104 through the positioning holes of the two mounting plates 103, then rotate the nut 105 into the bottom of the threaded rod 104, limit the two mounting plates 103, and then insert the plug 102 into the position to be blasted.

[0035] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical" and "horizontal" as can be perceived herein relative to the accompanying drawings refer to the orientation of the components being described. However, it is to be understood that the exemplary embodiments described herein can assume different alternative orientations, except where expressly specified to the contrary. It is also to be understood that the specific devices illustrated in the attached drawings, and described in the following specification are exemplary embodiments only and should not be typically construed as limiting the scope of the present application.

[0036] It is also important to note that the term "or" as used herein is intended to mean any possible combination of the enumerated items. For example, a condition A or B is satisfied by any of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and some combination thereof. As used herein, the term "if' can be construed to mean "when" or "when not getting the result." That is, if A, B and C are tested, then "if A" can mean "if A, B and C are true," or "if A, B and C are false." The term "plurality" can be construed to mean "multiple," "two or more," "at least one," and the like.

[0037] It is also important to note that the term "or" as used herein is intended to mean any possible combination of the enumerated items. For example, a condition A or B is satisfied by any of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and some combination thereof. As used herein, the term "if' can be construed to mean "when" or "when not getting the result." That is, if A, B and C are tested, then "if A" can mean "if A, B and C are true," or "if A, B and C are false." The term "plurality" can be construed to mean "multiple," "two or more," "at least one," and the like.

[0038] The specific embodiments of the present application have been described above for the purpose of clarity and maintain the application within the limits of patentability. However, it will be apparent to those of ordinary skill in the art that various changes and modifications can be made which will alter the above-described embodiments without departing from the true spirit and scope of the application. In particular, it will be readily apparent to one of ordinary skill in the art that the present application can be practiced with a variety of alternative devices, systems, methods, and / or materials. Accordingly, the application is not intended to be limited to the described embodiments, but is to be accorded the widest scope consistent with the claims and the principles and novel features disclosed herein.

Claims

1. A charge structure applied to tunnel excavation blasting, comprising a lower sealing plate (1), characterized in that, The inside of the lower sealing plate (1) is provided with a plurality of partitions (2), and the two sides of the partition (2) are provided with a moving mechanism for moving the partition (2); The moving mechanism comprises a second notch (202) formed in the top of the outer wall of the two sides of the partition (2), a first notch (200) formed in the bottom of the outer wall of the two sides of the partition (2), an installation hole (206) formed in the top of one side of the inner wall of the two first notches (200), a sliding rod (209) slidably arranged in the installation hole (206), an installation ring (210) fixed to the outer wall of the sliding rod (209), one end of a spring (211) fixed to the side of the installation ring (210) close to the partition (2), the other end of the spring (211) fixed to one side of the inner wall of the installation hole (206), a second limiting block (208) fixed to the side of the two sliding rods (209) away from the partition (2), a first limiting block (201) fixed to the top of the inner wall of the lower sealing plate (1), and the end of the second limiting block (208) is arc-shaped.

2. The charge structure for use in tunnel excavation blasting according to claim 1, wherein The end of the first limiting block (201) is arc-shaped, and the arc-shaped surface of the first limiting block (201) cooperates with the arc-shaped surface of the second limiting block (208).

3. The charge structure for tunnel excavation blasting according to claim 1, wherein The bottom of the two second notches (202) is provided with a moving sliding groove (207) in communication with the first notch (200), the top of the two second limiting blocks (208) is provided with a push column (205), and the push column (205) passes through the moving sliding groove (207) and is slidably arranged in the moving sliding groove (207).

4. The charge structure for use in tunnel excavation blasting according to claim 1, wherein The bottom of the inner wall of the lower sealing plate (1) is provided with a first sliding groove (100), the two ends of the inner wall of the first sliding groove (100) are fixedly provided with guide rods (203), the outer wall of the guide rod (203) is slidably provided with a plurality of sliding blocks (204), and the top of the plurality of sliding blocks (204) is fixedly provided with a plurality of partitions (2).

5. The charge structure for tunnel excavation blasting according to claim 1, wherein One end of the lower sealing plate (1) is fixedly provided with an insertion block (102).

6. The charge structure for use in tunnel excavation blasting according to claim 1, wherein The top of the lower sealing plate (1) is rotatably connected with an upper sealing plate (101).

7. The charge structure for use in the blasting of a tunnel excavation according to claim 6, characterized in that, The other side of the lower sealing plate (1) and the upper sealing plate (101) is fixedly provided with two installation plates (103), the top and the bottom of the installation plate (103) are provided with a positioning hole in communication, and a threaded rod (104) matched with the positioning hole is arranged in the positioning hole, and the outer wall of the threaded rod (104) is provided with a nut (105) matched with the threaded rod (104).