Portable energy gathering pipe

Abstract

The utility model belongs to the technical field of tunnel blasting construction, and particularly relates to a portable energy gathering pipe which comprises an energy gathering shell capable of being opened and closed in the annular direction, two planes distributed at intervals are arranged on the energy gathering shell, and the two planes are symmetrically distributed when the energy gathering shell is in the annular closing state. Triangular energy gathering grooves are formed in the inner side of the plane, the faces, located between the two energy gathering grooves, in the energy gathering shell in an annular closed state are concentric arc faces which are the first arc face and the second arc face respectively, the buckling position of the two ends of the energy gathering shell is located in the middle of the first arc face, and the buckling position of the two ends of the energy gathering shell is located in the middle of the second arc face. And an energy gathering cavity is arranged in the bottom end of the energy gathering shell in a sleeving manner. The device has the advantages that convenient charging of the energy gathering pipes is achieved, the distance between every two adjacent energy gathering pipes is controllable, meanwhile, the direction of the energy gathering grooves is controllable, the influence of human factors on energy gathering blasting is reduced to the maximum extent, tunnel over-excavation is effectively controlled, and concrete over-consumption is reduced.

Description

Technical Field

[0001] This utility model relates to the field of tunnel blasting construction technology; specifically, this utility model relates to a portable shaped charge tube. Background Technology

[0002] Traditional blasting involves the explosion of explosives, which produces high-temperature, high-pressure gases that diffuse rapidly in all directions. During this diffusion, the gases exert violent impacts and vibrations on buildings, leading to damage to structures or other objects. Shaped charge tubes, a new type of blasting device, utilize two horizontal grooves in their tube wall. After being filled with explosives, the energy is directed horizontally during detonation, creating a slicing effect and allowing for effective control of the blast direction. Traditional shaped charge tubes typically use a closed-loop circular PVC pipe structure, which presents the following problems during construction:

[0003] (1) The loading of explosives is difficult: When loading explosives, it is necessary to manually insert them from one end of the shaped charge tube into the other end. Since there is a shaped charge groove inside the tube, the resistance is large during the loading process. At the same time, some explosives will fall from the outer wall of the shaped charge tube, causing certain losses.

[0004] (2) The quality of the installation and fixing of the energy-concentrating tube is greatly affected by human factors: After the energy-concentrating tube is loaded with explosives, it is necessary to fix the loaded energy-concentrating tube on the bamboo strip in advance according to the interval of the loading. At the same time, it is necessary to ensure that the direction of the energy-concentrating groove in the energy-concentrating tube on the same bamboo strip is consistent. The sense of responsibility of the personnel has a great impact on the overall installation and fixing quality. If the direction is inconsistent, it is impossible to ensure that the cutting is in the same direction, which will result in more serious over-digging or under-digging.

[0005] (3) The installation direction of the shaped charge tube in the hole is greatly affected by human factors: When sending the explosive into the blast hole with bamboo strips, it is necessary to ensure that the tangential side of the shaped charge groove in the shaped charge tube is along the tunnel outline. However, during the delivery of the explosive, it is often difficult for workers to judge the direction of the shaped charge groove. If the direction is inconsistent, it cannot be guaranteed to be along the tunnel outline, which will result in more serious over-excavation or excavation. Utility Model Content

[0006] In view of this, in order to achieve convenient loading of explosives into the shaped charge tube, controllable spacing between adjacent shaped charge tubes, precise positioning of the shaped charge slot inside the shaped charge tube, minimize the impact of human factors on shaped charge blasting, effectively control tunnel over-excavation, and reduce excessive concrete consumption, this utility model provides a portable shaped charge tube.

[0007] To achieve the aforementioned objective, this utility model provides a portable energy-concentrating tube, comprising a circumferentially openable energy-concentrating shell. The energy-concentrating shell has two spaced-apart planes, which are symmetrically distributed when the energy-concentrating shell is in a circumferentially closed state. The inner side of each plane has a triangular energy-concentrating groove. The surface between the two energy-concentrating grooves in the circumferentially closed energy-concentrating shell is a concentric arc surface, namely a first arc surface and a second arc surface. The two ends of the energy-concentrating shell are fastened at the middle position of the first arc surface. An energy-concentrating cavity is sleeved inside the bottom end of the energy-concentrating shell.

[0008] In the portable energy-concentrating tube described above, optionally, a first channel is provided on both sides of the first arc surface at the fastening point, and a first connecting structure with a scale is inserted into the first channel.

[0009] In a portable energy-concentrating tube as described above, optionally, a second channel is provided at the middle position of the second arc surface, and a second connecting structure with a scale is inserted into the second channel, and the second connecting structure is perpendicular to the cutting direction of the energy-concentrating channel during the explosion.

[0010] In a portable energy-concentrating tube as described above, optionally, a crease is provided in the middle of the second channel for opening and closing the energy-concentrating outer shell.

[0011] In the portable energy-concentrating tube described above, optionally, the two ends of the energy-concentrating shell are respectively provided with buckles and slots for fixing the energy-concentrating shell in a circumferentially closed state.

[0012] In a portable focusing tube as described above, optionally, the bottom end of the focusing cavity is configured as a cone-shaped structure with the tip pointing upwards for inserting into the bottom of the medicine roll, and grooves are provided on both sides of the top end of the focusing cavity, with the bottom of the grooves closely attached to the bottom of the focusing groove.

[0013] In the portable focusing tube described above, optionally, a plurality of barbed resistance blocks are arranged sequentially along the height direction on the inner surface of the focusing cavity in the area between two grooves for fixing the drug roll.

[0014] This utility model has the following beneficial effects:

[0015] (1) Reduced loading difficulty: When loading, simply open the shaped charge shell, cut the charge roll to a specified length (generally consistent with the length of the shaped charge tube), insert it into the shaped charge shell, insert the cone top of the shaped charge cavity into the bottom of the charge roll, close the shaped charge shell, and secure it firmly with the fixing buckle and fixing groove.

[0016] (2) Effective control of interval charging distance: Before charging, the two first connecting structures can be inserted into the first groove on the energy-concentrating shell in advance. At the same time, the position of the energy-concentrating tube is adjusted according to the scale value on the first connecting structure according to the interval charging requirements. This effectively reduces the number of operation procedures in the tunnel, reduces the workload of workers in the tunnel, and ensures that the direction of the energy-concentrating groove in the energy-concentrating tube is consistent. This eliminates the problem of not being able to ensure cutting in the same direction, which could lead to more serious over-excavation or under-excavation.

[0017] (3) Precisely control the cutting direction of the energy-concentrating groove: the second connecting structure is perpendicular to the cutting direction of the energy-concentrating groove to accurately position the cutting direction of the energy-concentrating groove, ensuring that the cutting direction is along the tunnel outline, and minimizing the impact of human operation factors on the blasting effect.

[0018] (4) A shaped charge cavity can be used alone instead of a detonating cord: If a shaped charge tube is not used, a shaped charge cavity can be used instead of a detonating cord. When using it, the conical tip at the bottom of the shaped charge cavity is inserted into the bottom of the explosive, and the barbed resistance blocks inside the shaped charge cavity are used to ensure a tight fixation with the explosive. Except for the elimination of the need for a detonating cord, the other procedures are the same as those of traditional blasting, which effectively reduces construction costs. Attached Figure Description

[0019] The disclosure of this utility model will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings:

[0020] Figure 1 This is a schematic diagram of the portable energy-concentrating tube of this utility model in the open state of the energy-concentrating outer shell;

[0021] Figure 2 This is a schematic diagram of the portable energy-concentrating tube of this utility model when the energy-concentrating outer shell is closed;

[0022] Figure 3 This is a schematic diagram showing the first and second connecting structures of the portable energy-concentrating tube of this utility model installed on the outside of the energy-concentrating shell, which is in a closed state.

[0023] Figure 4 This is a schematic diagram showing the simultaneous connection of the energy-concentrating shell to the first and second connecting structures in multiple portable energy-concentrating tubes of this utility model.

[0024] Figure 5 This is a schematic diagram of the energy-concentrating cavity of this utility model;

[0025] Figure 6 This is another perspective view of the energy-concentrating cavity of this utility model;

[0026] Figure 7 This is a schematic diagram of the energy-concentrating cavity after it has been opened.

[0027] Reference numerals: 1-Energy-concentrating outer shell; 2-Plane; 3-Energy-concentrating groove; 4-First arc surface; 5-Second arc surface; 6-Energy-concentrating cavity; 7-First channel; 8-First connecting structure; 9-Second channel; 10-Second connecting structure; 11-Snap; 12-Slot; 13-Groove; 14-Resistance block. Detailed Implementation

[0028] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] like Figures 1 to 7 As shown, a typical embodiment of this utility model provides a portable energy-concentrating tube, including a circumferentially openable energy-concentrating shell 1. The energy-concentrating shell 1 is provided with two spaced-apart planes 2, and the two planes 2 are symmetrically distributed when the energy-concentrating shell 1 is in a circumferentially closed state. A triangular energy-concentrating groove 3 is provided on the inner side of the plane 2. The surface between the two energy-concentrating grooves 3 in the circumferentially closed energy-concentrating shell 1 is a concentric arc surface, namely a first arc surface 4 and a second arc surface 5. The two ends of the energy-concentrating shell 1 are fastened at the middle position of the first arc surface 4. An energy-concentrating cavity 6 is sleeved inside the bottom end of the energy-concentrating shell 1.

[0030] In this embodiment, by making the shaped charge shell 1 openable, it is easier to place the explosive charge and fit it into the bottom shaped charge cavity 6 when the shell is open. Simultaneously, when the shell is closed, the explosive charge and the shaped charge cavity 6 are more stably secured. The shaped charge groove 3 concentrates energy, and during the explosion, the energy travels horizontally, creating a cutting effect, thus effectively controlling the direction of the explosion.

[0031] The first arc surface 4 has a first channel 7 on both sides of the fastening point, and a first connecting structure 8 with graduations is inserted into the first channel 7. Before loading the explosive cartridge, the first connecting structure 8 is inserted into the first channel 7. The graduations on the first connecting structure 8 can be used to more accurately control the distance between two adjacent shaped charge shells 1, ensuring the accuracy and safety of the blast.

[0032] A second channel 9 is provided at the middle position of the second arc surface 5, and a second connecting structure 10 with graduations is inserted into the second channel 9. On the one hand, the second connecting structure 10, together with the two first connecting structures 8, forms a triangular distribution on the energy-concentrating shell 1, which can further improve the stability of the energy-concentrating shell 1. On the other hand, by using the orientation of the second connecting structure 10 perpendicular to the cutting direction of the energy-concentrating groove 3, the cutting direction of the energy-concentrating groove 3 can be precisely positioned to ensure that the cutting direction is along the tunnel contour direction. During the installation of the energy-concentrating tube, the installation orientation of the energy-concentrating tube can be controlled more accurately according to the tunnel contour direction, minimizing the impact of human operation factors on the blasting effect. In a relatively specific embodiment, in order to facilitate the identification of the first connecting structure 8 and the second connecting structure 10, the first connecting structure 8 and the second connecting structure 10 are set to different colors.

[0033] The second channel 9 has a crease in the middle for opening and closing the energy-concentrating outer shell 1. After the energy-concentrating tube is closed, the second connecting structure 10 is inserted into the second channel 9. At this time, the close fit between the second connecting structure 10 and the second channel 9 allows the second connecting structure 10 to further flatten the crease, so that the energy-concentrating outer shell 1 can be kept in a more stable closed state.

[0034] In a relatively specific embodiment, the first channel 7 and the second channel 9 are both configured as trapezoids with a slot width smaller than the cavity width, and the first connecting structure 8 and the second connecting structure 10 are respectively configured as shapes adapted to the first channel 7 and the second channel 9.

[0035] The energy-concentrating shell 1 has a buckle 11 and a slot 12 at each end, which are used to fix the energy-concentrating shell 1 in a circumferential closed state. When closing the energy-concentrating shell 1, the buckle 11 and the slot 12 are engaged to fix the energy-concentrating shell 1 in a closed state.

[0036] The bottom of the energy-concentrating cavity 6 is designed as a cone with the tip pointing upwards, for inserting into the bottom of the medicine roll. Grooves 13 are provided on both sides of the top of the energy-concentrating cavity 6, with the bottom of the grooves 13 closely attached to the bottom of the energy-concentrating groove 3. When inserting the energy-concentrating tube into the hole, the bottom of the energy-concentrating cavity 6 is kept facing outwards.

[0037] The inner surface of the energy-concentrating cavity 6 is provided with several barbed resistance blocks 14 arranged sequentially along the height direction in the area between the two grooves 13, which are used to fix the medicine roll.

[0038] The specific operating procedure is as follows:

[0039] 1. Insert the two graduated first connecting structures 8 into the first channel 7 of the energy-concentrating shell 1 in advance, and at the same time adjust the position of the energy-concentrating tube according to the graduation value on the first connecting structure 8 according to the interval charging requirements.

[0040] 2. When assembling the shaped charge, a flame-retardant and electrostatic conductive rubber sheet with a thickness of not less than 5mm should be laid on the ground or the charging platform. At the same time, the shaped charge outer shell 1 should be opened, the charge should be cut into a specified length (generally consistent with the length of the shaped charge tube) and then inserted into the shaped charge outer shell 1.

[0041] 3. After loading the drug, insert the top of the conical energy-concentrating cavity 6 into the bottom of the drug cartridge, close the uniform energy-concentrating tube to fix the bottom energy-concentrating cavity 6. The bottom of the energy-concentrating groove 3 should be tightly attached to the energy-concentrating cavity 6 after installation to prevent the energy-concentrating cavity 6 from shaking. After closing the energy-concentrating outer shell 1, use the buckle 11 and the slot 12 to fix it firmly.

[0042] 4. Follow steps 2-3 to complete the loading of other shaped charge tubes.

[0043] 5. The assembled portable energy-concentrating tube (assembly) should be transported to the working face using special transport equipment with explosion-proof function.

[0044] 6. After the portable shaped charge tube (set) is transported to the working face, the digital electronic detonator can be loaded into the detonating charge when it is installed into the blast hole. At the same time, the second connecting structure 10 is perpendicular to the cutting direction of the shaped charge groove 3 to accurately position the cutting direction of the shaped charge groove 3, ensuring that the cutting direction is along the tunnel outline.

[0045] In addition, if a shaped charge tube is not used, a shaped charge cavity 6 can be used independently instead of a detonating cord. When using it, the conical tip at the bottom of the shaped charge cavity 6 is inserted into the bottom of the explosive, and the barbed resistance blocks 14 inside the shaped charge cavity 6 ensure a tight fixation with the explosive. Except for the elimination of the need for a detonating cord, the other procedures are the same as in traditional blasting.

[0046] Precautions: 1) When assembling shaped charge cartridges, use a sharp knife to cut the cartridges; do not use scissors. 2) If loading becomes difficult, do not use tools to impact or squeeze. 3) Do not pull or tug on the digital electronic detonator leads in the detonating charge during loading. 4) Use wooden or bamboo rams for loading the boreholes (when using a shaped charge cartridge 6 instead of detonating cord). 5) All boreholes must be plugged with the required borehole filling material and to the specified plugging length. 6) Drilling and loading simultaneously is strictly prohibited.

[0047] The technical scope of this utility model is not limited to the contents of the above description. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the scope of this utility model.

Claims

1. A portable focusing tube, characterized in that, The device includes a circumferentially openable energy-concentrating shell (1), on which two spaced planes (2) are provided, and the two planes (2) are symmetrically distributed when the energy-concentrating shell (1) is in a circumferentially closed state. A triangular energy-concentrating groove (3) is provided on the inner side of the plane (2). The surface between the two energy-concentrating grooves (3) in the circumferentially closed state of the energy-concentrating shell (1) is a concentric arc surface, namely a first arc surface (4) and a second arc surface (5). The two ends of the energy-concentrating shell (1) are located at the middle position of the first arc surface (4). An energy-concentrating cavity (6) is provided inside the bottom end of the energy-concentrating shell (1).

2. A portable energy-concentrating tube as described in claim 1, characterized in that, The first arc surface (4) is provided with a first channel (7) on both sides of the fastening point, and a first connecting structure (8) with a scale is inserted into the first channel (7).

3. A portable energy-concentrating tube as described in claim 2, characterized in that, A second channel (9) is provided at the middle position of the second arc surface (5), and a second connecting structure (10) with scale is inserted into the second channel (9), and the second connecting structure (10) is perpendicular to the cutting direction of the energy-concentrating channel (3) during the explosion.

4. A portable energy-concentrating tube as described in claim 3, characterized in that, The second channel (9) has a crease in the middle for opening and closing the energy-concentrating shell (1).

5. A portable focusing tube as described in claim 1, characterized in that, The two ends of the energy-concentrating shell (1) are respectively provided with buckles (11) and slots (12) for fixing the energy-concentrating shell (1) in a circumferential closed state.

6. A portable focusing tube as described in claim 1, characterized in that, The bottom end of the energy-concentrating cavity (6) is set as a cone-shaped structure with the cone tip pointing upward, for inserting the bottom of the medicine roll. The top of the energy-concentrating cavity (6) is provided with grooves (13) on both sides, and the bottom of the grooves (13) is close to the bottom of the energy-concentrating groove (3).

7. A portable focusing tube as described in claim 6, characterized in that, The inner surface of the energy-concentrating cavity (6) is provided with a number of barbed resistance blocks (14) arranged sequentially along the height direction in the area between the two grooves (13) to fix the medicine roll.

Images