A tunnel blasting explosive shaped charge segmentation device and its application method

Abstract

This invention belongs to the field of blasting engineering and provides a tunnel blasting explosive shaped charge segmentation device and its usage method. The technical solution includes a conveying device and a shaped charge tube. The conveying device includes a guide tube, a driving device, and a conveying pipe. The guide tube is fixed to the borehole opening and includes a cylinder and a guide rail, with the guide rail fixed to the inner wall of the cylinder. The driving device is located on the outer wall of the guide tube cylinder and includes a gear system. The conveying pipe is equipped with a guide rail, which is connected to the gear system. The shaped charge tube is fastened to the conveying pipe. The shaped charge tube has graduation lines to assist in segmenting the explosive charge. Fan-shaped partitions are evenly arranged between the graduation lines to fix the explosive charge and facilitate rapid segmentation. This invention is simple to operate, easy to carry, and suitable for drilling and blasting construction in mountain tunnels. While saving time and costs, it helps on-site workers to standardize and facilitate the loading process, improving the quality of tunnel blasting excavation.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of blasting engineering, and particularly relates to a tunnel blasting explosive energy-gathering segmented device and a use method thereof. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] At present, in the process of mountain tunnel drilling and blasting method construction, the blasting personnel often adopts continuous charging when charging the blast hole. In the field construction, although the continuous charging is simple to operate, there are still many problems. The continuous charging is difficult to control the blasting quality, and after blasting, there is overbreak or underbreak, which leads to different excavation footage and poor blasting effect; the continuous charging leads to too much concentration of the cartridge in a certain position, and the damage to the surrounding rock is large, there are many unstable rock blocks, and there is a danger of falling block, and the blasting safety is not high; in order to realize the excavation of the rock mass within the contour, the continuous charging needs to increase the charging amount, and the blasting economy is not strong. The interval charging and the explosive energy-gathering method can effectively improve the above problems, but the interval charging and the explosive energy-gathering operation are complex, lack of effective tools, and have not been widely applied in actual engineering. SUMMARY

[0004] In order to solve at least one technical problem in the background art, the first aspect of the present application provides a tunnel blasting explosive energy-gathering segmented device and a use method, which is convenient to carry and simple to operate, is suitable for the drilling and blasting method construction of mountain tunnel, can help the field operation personnel to charge more standardized and convenient, and achieves the purpose of saving time and effort.

[0005] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0006] A tunnel blasting explosive energy-gathering segmented device, comprising: a conveying device and an energy-gathering pipe;

[0007] The conveying device comprises a guide pipe, a driving device and a conveying pipe; the guide pipe is fixed to the blast hole orifice, the guide pipe comprises a cylinder and a guide rail, the guide rail is fixed to the inner wall of the cylinder; the driving device is located on the outer wall of the guide pipe cylinder, the driving device comprises a gear system, the conveying pipe is provided with a conveying rail, the conveying rail is connected with the gear system, and the energy-gathering pipe is buckled on the conveying pipe; the energy-gathering pipe is provided with a scale line for assisting the cartridge to be segmented, and a fan-shaped partition plate is uniformly arranged between the scale lines for fixing the cartridge and rapidly segmenting.

[0008] As one or more embodiments, the conveying pipe comprises a first half-cylinder and two rows of buckles, and the two rows of buckles are respectively located at the two side edges of the first half-cylinder; the shaped charge pipe comprises a second half-cylinder and two rows of half-cylinder drums, and the two rows of half-cylinder drums are respectively located at the two side edges of the inner wall of the second half-cylinder and respectively engaged with the two rows of buckles of the conveying pipe to tightly fit the shaped charge pipe with the inner side of the conveying pipe.

[0009] As one or more embodiments, one side of the cylinder of the guide pipe is marked with 360° scale lines to assist the guide pipe in angle correction.

[0010] As one or more embodiments, the guide rail is located on the outer side of the conveying pipe, and the length of the guide rail is less than the length of the conveying pipe.

[0011] As one or more embodiments, the device further comprises a wireless remote controller, and the driving device further comprises a switch, a signal receiver, a connecting line, a power supply and a motor.

[0012] The signal receiver is used to receive signals from the wireless remote controller and then transmit the signals to the switch, and the switch is used to select whether to turn on the connecting line between the power supply and the motor according to the signal indication; in the case of turning on the power supply, the motor drives the gear system to rotate and then drives the guide rail of the conveying pipe through the gear system, so as to realize the automatic conveying and recycling of the conveying pipe.

[0013] As one or more embodiments, the conveying pipe further comprises four rollers, and the four rollers are respectively located at the two ends of the guide rail to support the sliding of the conveying pipe in the blast hole.

[0014] As one or more embodiments, the conveying pipe further comprises two buckle switches, and the two buckle switches are arranged at the front end of the conveying pipe.

[0015] When the buckle switches contact the bottom of the blast hole, the buckles are automatically popped open to realize the separation of the conveying pipe and the shaped charge pipe.

[0016] As one or more embodiments, the diameter of the cylinder of the guide pipe is greater than the diameters of the half-cylinder of the conveying pipe and the half-cylinder of the shaped charge pipe.

[0017] As one or more embodiments, the diameter of the roller of the conveying pipe is greater than the diameter of the guide rail of the conveying pipe to support the sliding of the guide rail in the blast hole and reduce the conveying resistance in the blast hole.

[0018] In order to solve the above problems, the second aspect of the present application provides a use method of a tunnel blasting explosive shaped charge segmentation device, which comprises the following steps:

[0019] Step 1: connecting the conveying pipe and the shaped charge pipe through buckles; Step 2: driving the conveying pipe to move along the guide rail of the guide pipe;

[0020] Step 2: According to the scale line and the fan-shaped partition plate of the shaped tube surface, the quick interval charging is carried out;

[0021] Step 3: The guide tube is installed at the borehole orifice, and the angle correction is carried out according to the 360° scale line;

[0022] Step 4: The conveying tube is installed on the guide tube guide rail, and the borehole charging amount is recorded;

[0023] Step 5: The conveying of the conveying tube is controlled, and after the conveying tube is conveyed to the hole bottom, the hole length of the borehole is recorded;

[0024] Step 6: The fastener is automatically opened, the shaped tube is left in the borehole, and the explosive is shaped in the borehole;

[0025] Step 7: The conveying tube is automatically recycled, and after the recycling is completed, the borehole plugging length is recorded.

[0026] The beneficial effects of the present application are:

[0027] 1. The present application is simple to operate, convenient to carry, environmentally friendly, durable and safe and reliable. Specifically, during operation, the conveying tube and the shaped tube are buckled together, the explosive is placed in the shaped tube, and then the conveying tube is installed on the guide rail, so that the automatic conveying of the explosive and the shaped tube, the automatic recycling of the conveying tube and the recording of the borehole data can be realized by using the wireless remote controller; the guide tube, the conveying tube and the shaped tube are made of environmentally friendly materials, are light in weight and are convenient to carry, have corrosion resistance and insulation performance, and are durable; remote control is realized through the wireless remote controller, the unstable working face is far away, the use of insulating materials can minimize the current interference on the site, thereby ensuring the safety of the site operation.

[0028] 2. The present application can save economic cost. The use of the wireless remote controller can control multiple boreholes at the same time to fill the explosive, thereby saving the labor cost; the use of the explosive shaped and segmented device improves the blasting quality, and also improves the utilization efficiency of the explosive, thereby saving the material cost.

[0029] 3. The present application can save the site operation time. The charging of the shaped tube can be completed before reaching the site, and after reaching the site, the guide tube is only installed at the borehole orifice, and then the shaped tube and the explosive are automatically conveyed to the hole bottom through the conveying tube by using the wireless remote controller to control one to many, and the conveying tube is recycled, so that the entire charging process is basically completed by using the wireless remote controller at the site, thereby reducing the site operation time.

[0030] 4. The present application is suitable for various drilling and construction environments of drill and blast method construction, and is not limited by the construction space.

[0031] 5. This invention can optimize blasting effects and accumulate experience for subsequent blasting operations. The combination of the segmented device and the shaped charge tube can effectively control the blasting excavation advance, resulting in high blasting quality. The wireless remote control can record the borehole length, charge amount, and plugging length, timely preserving the original blasting data, which is convenient for adjusting blasting plans and accumulating blasting experience in the future.

[0032] Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0033] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0034] Figure 1 This is a schematic diagram of the structure of the conveying device and the shaped charge tube assembly in a tunnel blasting explosive shaped charge segmentation device provided in an embodiment of the present invention;

[0035] Figure 2 for Figure 1 Schematic diagram of the guide tube structure;

[0036] Figure 3 for Figure 1 A schematic diagram of the drive unit.

[0037] Figure 4 for Figure 1 Schematic diagram of the transport pipe structure;

[0038] Figure 5 for Figure 1 Schematic diagram of the structure of the central energy-concentrating tube;

[0039] Figure 6 This is a schematic diagram of the wireless remote control in the tunnel blasting explosive shaped charge segmentation device of the present invention;

[0040] Figure 7 for Figure 6 Rear view of the wireless remote control.

[0041] In the figure, 1 is a guide tube, 2 is a driving device, 3 is a conveying tube, 4 is a converging tube; 2-1 is a cylinder, 2-2 is a 360° scale line, 2-3 is a guide rail; 3-1 is a switch, 3-2 is a signal receiver, 3-3 is a connecting line, 3-4 is a power supply, 3-5 is a motor, 3-6 is a gear system; 4-1 is a first half-cylinder, 4-2 is a fastener, 4-3 is a track, 4-4 is a roller, 4-5 is a fastener switch; 5-1 is a second half-cylinder, 5-2 is a scale line, 5-3 is a sector partition, 5-4 is a semicircular drum; 6-1 is a display screen, 6-2 is a conveying key / confirmation key, 6-3 is a recycling key / return key, 6-4 is a pause key / selection key, 6-5 is an information recording key, 6-6 is a power-on key / power-off key, 6-7 is a numeric key; 7-1 is a battery, 7-2 is a signal emitter. DETAILED DESCRIPTION

[0042] The application will be further described below in conjunction with the accompanying drawings and examples.

[0043] It should be noted that the following detailed description is illustrative only and is intended to provide further description of the application. 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.

[0044] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0045] In the present application, the terms such as "upper", "side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a relationship word determined for the purpose of describing the structural relationship of the components or elements of the present application, and cannot be understood as a limitation of the present application.

[0046] In the present application, the terms such as "connected", "connected" and the like should be understood broadly, which means that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant researchers or technicians in the art, the specific meaning of the above terms in the present application can be determined according to the specific circumstances, and cannot be understood as a limitation of the present application.

[0047] As described in the background section of this application, continuous explosive charges suffer from problems such as suboptimal blasting effect, low blasting safety, and poor blasting economy. To address these issues, this invention proposes a tunnel blasting explosive tamping and segmentation device and its usage method. The explosive tamping and segmentation device for tunnel blasting includes a transport device, a tamping tube, and a wireless remote controller. The transport device includes a guide tube, a drive device, and a transport tube, used to automatically transport the tamping tube to the bottom of the borehole. The tamping tube is used for rapid segmentation of the explosive, leaving the tamping tube inside the borehole to achieve explosive tamping within the borehole. The wireless remote controller is used to control the automatic transport and retrieval of the transport tube and the real-time recording of borehole data.

[0048] Example 1

[0049] like Figure 1 As shown, this embodiment provides a tunnel blasting explosive shaped charge segmentation device, including: a conveying device, a shaped charge tube 4 and a wireless remote controller, wherein the conveying device includes a guide tube 1, a driving device 2 and a conveying tube 3;

[0050] The conveying device is used to automatically transport the shaped charge tube 4 to the bottom of the borehole; the shaped charge tube 4 is used for rapid segmentation of explosives, leaving the shaped charge tube 4 inside the borehole, which can realize the shaped charge of explosives inside the borehole; the wireless remote controller is used to control the automatic transport and retrieval of the conveying tube and the real-time recording of borehole data.

[0051] like Figure 2 As shown, the guide tube 1 includes a cylinder 2-1, a 360° scale line 2-2, and a guide rail 2-3;

[0052] The guide tube 1 is fixed to the borehole opening and has a directional function; the 360° scale line 2-2 is located on one side of the cylinder 2-1 opening and is used to assist the guide tube in angle correction; the guide rail 2-3 is fixed to both sides of the inner wall of the cylinder 2-1 and is composed of two small semi-cylindrical bodies, which facilitates the restraint of the transport tube 3 in the borehole and plays a stable support role.

[0053] like Figure 3 As shown, the drive device 2 includes a switch 3-1, a signal receiver 3-2, a connecting wire 3-3, a power supply 3-4, a motor 3-5, and a gear system 3-6.

[0054] It can accommodate two AA batteries internally. The gear system has three gears on the top and one gear on the bottom.

[0055] It should be noted that the shape of the drive device 2, the shape of the signal receiver 3-2 and the switch 3-1, the power supply 3-4 and the motor 3-5 are not limited, for example, the signal receiver 3-2 and the switch 3-1 can be a cylinder, the power supply 3-4 can be a cuboid, the motor 3-5 can be a cuboid, which can be a cuboid or other shape, and other embodiments can be set according to the actual situation.

[0056] The signal receiver 3-2 is used to receive signals from the wireless remote controller signal emitter 7-2, and then transmit the signals to the switch 3-1. The switch 3-1 selects whether to turn on the connection line 3-3 between the power supply 3-4 and the motor 3-5 according to the signal indication. In the case of turning on the power supply, the motor 3-5 will drive the gear system 3-6 to rotate, and through the gear system 3-6 connected to the rail 4-3 of the conveying pipe 3, the automatic conveying and recycling of the conveying pipe is realized; The upper three gears of the gear system 3-6 in the drive device 2 are embedded in the guide pipe 1, and the two gears at the left and right ends are embedded in the two guide rails respectively, and then connected to the two rails 4-3 of the conveying pipe 3.

[0057] As shown in Figure 4 The conveying pipe 3 includes a first half-cylinder 4-1, two rows of buckles 4-2, two rails 4-3, four rollers 4-4 and two buckle switches 4-5, responsible for carrying the shaped charge tube and conveying to the bottom of the hole.

[0058] The two rows of buckles 4-2 are respectively located on the two side edges of the first half-cylinder 4-1, and the shaped charge tube 4 is buckled on the conveying pipe 3; The two rails 4-3 are located on the two sides of the outer side of the conveying pipe 3, and the length of the rail 4-3 is less than the length of the conveying pipe 3, the conveying pipe rail 4-3 is connected with the drive device gear system 3-6, realizing the automatic conveying and recycling of the conveying pipe;

[0059] The four rollers 4-4 are respectively located at the two ends of the two rails 4-3, which are convenient for supporting the sliding of the conveying pipe in the blast hole;

[0060] The two buckle switches 4-5 are two spheres, respectively located at the front ends of the two rows of buckles, when the front end of the conveying pipe 3 contacts the bottom of the blast hole, the buckle switch 4-5 can automatically pop up, realizing the automatic separation of the conveying pipe and the shaped charge tube.

[0061] As shown in Figure 5 The shaped charge tube 4 includes a second half-cylinder 5-1, two rows of half-cylinder drums 5-4 and a plurality of fan-shaped partitions 5-3; The inner wall of the second half-cylinder 5-1 is marked with scale lines 5-2 to assist the sectioning of the cartridge;

[0062] The fan-shaped partition 5-3 is located between the scale lines on the inner wall of the second half-cylinder 5-1, and is uniformly arranged at intervals from the barrel mouth of the second half-cylinder 5-1, and plays a role of fixing the charge and quickly segmenting;

[0063] The two rows of half-circular drums 5-4 are respectively located at the edges of the inner wall of the second half-cylinder 5-1, and are respectively engaged with the two rows of buckles 4-2 of the conveying pipe, so as to tightly fit the shaped charge tube 4 and the inner side of the conveying pipe 3.

[0064] Further, the cylinder 2-1, the first half-cylinder 4-1, and the second half-cylinder 5-1 are all made of insulating materials.

[0065] In this embodiment, the insulating material can be a PVC pipe or other materials, as long as it can ensure the insulation of the material.

[0066] Further, the guide pipe guide rail 2-3, the conveying pipe guide rail 4-3, and the roller 4-4 are all made of corrosion-resistant materials, and the corrosion-resistant materials are mainly used to resist water corrosion, for example, aluminum products can be used.

[0067] In this embodiment, the guide pipe barrel scale line and the shaped charge tube inner surface scale line should be painted with a prominent color as much as possible.

[0068] Further, the outer surface of the shaped charge tube should be as smooth as possible to reduce the friction between the conveying pipe and the shaped charge tube, and facilitate the shaped charge tube to be left in the blast hole when the conveying pipe is recycled.

[0069] In this embodiment, the diameter of the guide pipe cylinder is greater than the diameter of the first half-cylinder of the conveying pipe and the diameter of the second half-cylinder of the shaped charge tube.

[0070] In this embodiment, the diameter of the guide pipe guide rail should be greater than the diameter of the conveying pipe guide rail.

[0071] In this embodiment, the diameter of the conveying pipe roller should be greater than the diameter of the conveying pipe guide rail, supporting the guide rail to slide in the blast hole and reducing the conveying resistance in the blast hole.

[0072] Further, the inner diameter of the conveying pipe buckle should be greater than the outer diameter of the half-circular drum of the shaped charge tube by 1-2 mm, so as to ensure that the conveying pipe can exactly buckle the shaped charge tube.

[0073] Further, the length of the conveying pipe and the length of the shaped charge tube should be greater than the length of the guide pipe, and the specific length of the shaped charge tube can be selected according to the length of the blast hole in each field, and no fixed length is set.

[0074] Further, the conveying pipe guide rail is sawtooth-shaped, and can be engaged with the corresponding gear of the gear system.

[0075] As Figure 6-7 shown, the wireless remote controller includes a display screen 6-1, function keys, numeric keys 6-7, a battery 7-1, and a wireless remote controller signal emitter 7-2.

[0076] The display screen 6-1 can be rectangular in shape and used to display data recorded for each blast hole;

[0077] The function keys are all round buttons, including a transport key 6-2, a recycle key 6-3, a pause key 6-4, an information recording key 6-5, and a power on key 6-6. The transport key 6-2 and the recycle key 6-3 can be used to control automatic transport and recycle of the transport pipe 3 and entry and return of the display screen 6-1 page, respectively.

[0078] The information recording key 6-5 can switch pages to record data for blast holes, the pause key 6-4 can control pause of the transport and recycle process of the transport pipe 3, selection of the display screen page, and the power on key 6-6 can control power on and off of the wireless remote controller.

[0079] The numeric keys are 12 rectangular keys, including numeric 0-9 keys, a * key, and a # key, which can be used to edit data for blast holes.

[0080] The combination of the display screen, the function keys, and the numeric keys can be used to record and modify hole length, charge amount, and stemming length for each blast hole.

[0081] The battery is installed on the back of the wireless remote controller and provides power supply.

[0082] The signal emitter is round and can be used for signal transmission with the signal receiver of the driving device.

[0083] It is to be noted that the wireless remote controller can perform one-to-many control in the embodiment, and can control multiple blast holes to perform the above operations simultaneously.

[0084] The working principle of the tunnel blasting explosive energy-gathering and segmented device is that a guide pipe is installed at a hole opening to play a directional role, a transport pipe carries an energy-gathering pipe to be automatically transported and recycled through a guide rail in the guide pipe, the energy-gathering pipe is quickly and intermittently charged according to a scale line and a sector partition, the energy-gathering pipe is left in a blast hole to play a role of energy gathering of the explosive, and the wireless remote controller controls automatic transport and recycle of the transport pipe, and records and modifies hole length, charge amount, and stemming length for each blast hole.

[0085] Embodiment Two

[0086] The embodiment provides a use method of the tunnel blasting explosive energy-gathering and segmented device, which includes the following steps.

[0087] Step 1: first, connect the transport pipe and the energy-gathering pipe through a fastener;

[0088] Step 2: According to the scale line and the fan-shaped partition plate of the shaped tube surface, the quick interval charging is carried out again;

[0089] Step 3: The guide tube is installed at the borehole orifice, and the angle correction is carried out according to the 360° scale line;

[0090] Step 4: The conveying tube is installed on the guide tube guide rail, and the borehole charging amount is recorded through the information recording key of the wireless remote controller;

[0091] Step 5: The automatic conveying of the conveying tube is controlled through the conveying key of the wireless remote controller, and after conveying to the bottom of the hole, the hole length is recorded through the pause key of the wireless remote controller;

[0092] Step 6: Conveying to the bottom of the hole, the buckle switch is automatically popped out, the shaped tube is left in the borehole, and the explosive is gathered in the borehole;

[0093] Step 7: Finally, the conveying tube is automatically recycled through the recycling key of the wireless remote controller, and after recycling is completed, the borehole plugging length is recorded through the pause key of the wireless remote controller.

[0094] It should be noted that in the embodiment, the wireless remote controller can be controlled one-to-many, and multiple boreholes can be simultaneously operated according to the above operation.

[0095] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tunneling explosive shaped charge segmented device, characterized by, It comprises a conveying device and a shaped charge tube. The conveying device comprises a guide tube, a driving device and a conveying tube; the guide tube is fixed to the borehole orifice, and comprises a cylinder and a guide rail fixed to the inner wall of the cylinder; the driving device is located on the outer wall of the cylinder of the guide tube, and comprises a gear system; the conveying tube is provided with a conveying rail connected with the gear system; the shaped charge tube is buckled on the conveying tube; the shaped charge tube is provided with scale lines for assisting the cartridge to be segmented, and the scale lines are evenly provided with sector partitions for fixing the cartridge and rapid segmentation. The conveying tube comprises a first half-cylinder and two rows of buckles, and the two rows of buckles are respectively located on the two side edges of the first half-cylinder; the shaped charge tube comprises a second half-cylinder and two rows of half-cylinder drums, and the two rows of half-cylinder drums are respectively located on the two side edges of the inner wall of the second half-cylinder and correspondingly engaged with the two rows of buckles of the conveying tube, so that the shaped charge tube is tightly fitted with the inner side of the conveying tube. The cylinder is provided with a 360° scale line on one side of the cylinder orifice for assisting the guide tube to be angle-corrected.

2. A tunnelled explosive shaped charge segmented device as claimed in claim 1, characterised in that, The conveying rail is located on both sides of the outer side of the conveying tube, and the length of the conveying rail is less than the length of the conveying tube.

3. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The device further comprises a wireless remote controller, and the driving device further comprises a switch, a signal receiver, a connecting line, a power supply and a motor.

4. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The signal receiver is used for receiving signals from the wireless remote controller, and then transmitting the signals to the switch; the switch selects whether to turn on the connecting line between the power supply and the motor according to the signals; in the case of turning on the power supply, the motor drives the gear system to rotate, and the gear system connects the conveying rail of the conveying tube, so as to realize automatic conveying and recycling of the conveying tube. The conveying tube further comprises four rollers respectively located at the two ends of the conveying rail for supporting the conveying tube to slide in the borehole.

5. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The conveying tube further comprises two buckle switches arranged at the front end of the conveying tube; after the buckle switches contact the bottom of the borehole, the buckles will automatically pop open to realize the separation of the conveying tube and the shaped charge tube.

6. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The diameter of the cylinder of the guide tube is greater than the diameters of the half-cylinder of the conveying tube and the half-cylinder of the shaped charge tube.

7. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The diameter of the roller of the conveying tube is greater than the diameter of the conveying rail of the conveying tube, so as to support the conveying rail to slide in the borehole and reduce the conveying resistance in the borehole.

8. A tunnelled explosive shaped charge segmented device as defined in claim 1, wherein, The method comprises the following steps:

9. A method for using the tunnel blasting explosive energy-gathering segmented device, applied to the tunnel blasting explosive energy-gathering segmented device according to any one of claims 1-8, characterized in that, Step 1: connecting the conveying tube and the shaped charge tube through buckles; Step 2: rapidly and interval loading according to the scale lines and sector partitions on the surface of the shaped charge tube; Step 3: installing the guide tube at the borehole orifice and angle-correcting according to the 360° scale line; Step 4: installing the conveying tube on the guide rail of the guide tube and recording the loading amount of the borehole; Step 5: controlling the conveying of the conveying tube and recording the hole length of the borehole after the conveying tube is conveyed to the bottom of the hole; Step 6: automatically opening the buckles to leave the shaped charge tube in the borehole, so as to realize the energy concentration of the explosive in the borehole; Step 7: controlling the automatic recycling of the conveying tube and recording the plugging length of the borehole after the recycling is completed. ​

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