High-energy jet conical shaped charge blasting device

Abstract

The utility model discloses a high energy jet conical shaped charge blasting device which comprises a blasting device shell and a pre-buried pipeline, the blasting device shell is horizontally located in the pre-buried pipeline, the right side of the pre-buried pipeline is a plane to be blasted, and the right end of the blasting device shell is tightly attached to the left side of the plane to be blasted. A transmission push plate is arranged on the left side of the blasting device shell, a limiting plate is arranged on the right side of the transmission push plate and fixedly connected to the left side face of the blasting device shell, a transmission roller is arranged in the blasting device shell, a pressing block is arranged on the right side of the transmission roller, and a sliding block is arranged on the right side of the pressing block. A conical barrel is arranged at the right end of the sliding block. According to the high-energy jet conical shaped charge blasting device, horizontal impact force of explosives is changed into rotating force, the rotating force is polymerized again through cooperation of the shaped charge barrel and the conical barrel, the penetrating power and the orientation rate of blasting are improved, and a to-be-blasted plane is effectively punctured.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting technology, in particular to a conical energy-focused blasting device of high-energy jet. Background Art

[0002] The explosive is made into a specific shape of the package to achieve the blasting effect of the explosive energy gathering work, which can be widely used in the smooth blasting link of underground tunnel excavation and open-pit slope protection. This method is beneficial to improve the energy utilization rate of the explosive for smooth blasting and protect the stability of the surrounding rock structure. This method is to process one end of the shell of the package into a conical or parabolic concave cavity, so that the detonation wave generated by the explosion of the explosive is gathered on the surface of the conical or parabolic concave cavity at its focus or axis, forming a high-energy jet, which penetrates a certain part of the medium in contact with it.

[0003] In the existing energy-gathering directional blasting technology, there is an energy-gathering splitting directional blasting device with a bulletin number of CN220524786U, and its technical solution is as follows: it includes a PVC pipe, an energy-gathering groove and an energy-gathering hole, wherein two energy-gathering grooves are provided and symmetrically installed on the inner wall of the PVC pipe, and an energy-gathering hole is connected to one end of the PVC pipe, and the energy-gathering hole is provided as a conical thin-walled structure, and the conical tip of the energy-gathering hole faces the inside of the PVC pipe. A partition is also connected to the PVC pipe, and the partition is arranged on one side of the two energy-gathering grooves. The energy-gathering blasting device of the utility model can use the metal ions generated during blasting by the energy-gathering principle to cut the surrounding rock, overcome the problem of insufficient gasification cutting ability of the rock mass during blasting of the plastic energy-gathering groove, improve the cutting ability of the rock, increase the distance between the blastholes, improve the light explosion effect, and improve the explosion transmission distance. In the existing blasting technology, the energy-gathering effect and the directional energy transmission effect in the smooth blasting link of underground tunnel excavation and open-pit slope protection need to be improved.

[0004] In view of this, we conducted in-depth research on the above issues, which led to the present case.

[0005] In response to the above problems, an innovative design was carried out based on the original focused energy directional blasting device. Utility Model Content

[0006] The purpose of the utility model is to provide a conical energy-focusing blasting device of high-energy jets, so as to solve the problem in the above-mentioned background technology that the energy-focusing effect and the directional energy propagation effect need to be improved.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A conical energy-gathering blasting device for high-energy jets comprises a blasting device shell and a pre-buried pipe, wherein the blasting device shell is horizontally located inside the pre-buried pipe, and the right side of the pre-buried pipe is a plane to be blasted, and the right end of the blasting device shell is tightly attached to the left side of the plane to be blasted, a transmission push plate is arranged on the left side of the blasting device shell, and a limit plate is arranged on the right side of the transmission push plate, and the limit plate is fixedly connected to the left side of the blasting device shell, a transmission roller is arranged inside the blasting device shell, and a pressing block is arranged on the right side of the transmission roller, a sliding block is arranged on the right side of the pressing block, and a conical cylinder is arranged on the right end of the sliding block.

[0009] Preferably, a guide tube is installed through the inside of the transmission push plate, and a transmission tube is fixedly connected and installed on the right side of the transmission push plate. The guide tube also passes through the limit plate, and the right end of the guide tube is connected to the transmission roller.

[0010] By adopting the above technical solution, when the explosives on the left side of the embedded pipeline exert an impact force on the transmission push plate to the right, a part of the impact force can enter the inside of the guide tube. The transmission push plate also drives the transmission tube to pass through the limit plate and move to the right, thereby changing the impact force into a rotation path and providing mechanical power.

[0011] Preferably, the transmission tube is located outside the blasting device housing, and a top shaft is installed through the upper surface of the right side of the transmission tube, a slide groove is opened on the upper surface of the blasting device housing, and the top shaft passes through the slide groove and is connected to the transmission roller.

[0012] By adopting the above technical solution, when the transmission tube moves to the right, the top shaft is simultaneously driven to move to the right, thereby providing mechanical power for the rotation of the transmission roller.

[0013] Preferably, an annular groove is provided on the surface of the driving roller, and the top shaft is connected to the inside of the annular groove, and a first through hole is provided through the inside of the driving roller.

[0014] By adopting the above technical solution, when the top shaft moves rightward, the driving roller can be driven to rotate through the lines of the annular groove, and the impact force is changed into a rotation path through the first through hole to increase the impact force.

[0015] Preferably, a clamping block is fixedly connected to the right side of the driving roller, and an external thread is arranged on the outer side of the clamping block. A second through hole is opened through the inside of the clamping block, and the right side of the second through hole is conical.

[0016] By adopting the above technical solution, when the transmission roller rotates, the pressing block is also driven to rotate, which is convenient for connection with the sliding block, and the right taper of the second through hole can tighten the internal channel of the sliding block.

[0017] Preferably, an internal thread is opened inside the left side of the sliding block, and the internal thread is threadedly connected to the external thread, an energy focusing cylinder is arranged inside the sliding block, and the outer side of the left side of the energy focusing cylinder is a conical surface, and the left side of the energy focusing cylinder is located inside the right side of the clamping block.

[0018] By adopting the above technical solution, when the clamping block is rotated and connected to the sliding block, the sliding block can slide to the left at the edge of the embedded pipe, and the right end of the clamping block can tighten the energy-gathering cylinder to aggregate the rotational impact force.

[0019] Preferably, a conical tube is connected to the right end of the energy-gathering tube, and the conical tube is closely attached to the left side of the plane to be blasted.

[0020] By adopting the above technical solution, when the energy-gathering tube transmits the impact force to the conical tube again, the focusing ability can be improved, the rotating impact force can penetrate the plane to be blasted, and the penetration force and the directional rate can be improved.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the conical energy-focused blasting device of the high-energy jet is

[0022] 1. A transmission roller is provided to change the impact force into a rotational force. When the explosive on the left side of the pre-buried pipeline exerts an impact force on the transmission push plate to realize a rightward thrust, a part of the impact force can enter the inside of the guide tube at the same time. The transmission push plate drives the transmission tube to pass through the limit plate and move to the right, and drives the top shaft to move to the right at the same time. When the top shaft moves to the right, the transmission roller can be driven to rotate through the lines of the annular groove. The impact force is changed into a rotation path through the first through hole to increase the impact force;

[0023] 2. An energy-gathering cylinder and a conical cylinder are provided. When the pressing block rotates and is connected with the sliding block, the sliding block can slide to the left at the edge of the embedded pipe, and the right end of the pressing block can tighten the energy-gathering cylinder to aggregate the rotating impact force. The right end of the energy-gathering cylinder is connected and installed with a conical cylinder, and the conical cylinder is tightly attached to the left side of the plane to be blasted. When the energy-gathering cylinder transmits the impact force to the conical cylinder again, the aggregation ability can be improved, the rotating impact force can penetrate the plane to be blasted, and the penetration force and the orientation rate can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front sectional structural schematic diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the main structure of the shell of the blasting device of the utility model;

[0026] Figure 3 This is a schematic diagram of the front structure of the pressing block and the sliding block of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the transmission push plate and the limit plate of the utility model;

[0028] Figure 5 This is a schematic diagram of the transmission roller structure of the utility model.

[0029] In the figure: 1. blasting device casing; 2. embedded pipeline; 3. plane to be blasted; 4. transmission push plate; 5. transmission pipe; 6. limit plate; 7. top shaft; 8. guide pipe; 9. transmission roller; 10. annular groove; 11. first through hole; 12. clamping block; 13. external thread; 14. second through hole; 15. sliding block; 16. internal thread; 17. energy-gathering cylinder; 18. conical cylinder. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 , the utility model provides a technical solution:

[0032] A conical energy-gathering blasting device for high-energy jets comprises a blasting device shell 1 and a pre-buried pipe 2, wherein the blasting device shell 1 is horizontally located inside the pre-buried pipe 2, and the right side of the pre-buried pipe 2 is a plane 3 to be blasted, and the right end of the blasting device shell 1 is closely attached to the left side of the plane 3 to be blasted, a transmission push plate 4 is arranged on the left side of the blasting device shell 1, and a limit plate 6 is arranged on the right side of the transmission push plate 4, and the limit plate 6 is fixedly connected to the left side of the blasting device shell 1, a transmission roller 9 is arranged inside the blasting device shell 1, and a clamping block 12 is arranged on the right side of the transmission roller 9, a sliding block 15 is arranged on the right side of the clamping block 12, and a conical cylinder 18 is arranged on the right end of the sliding block 15.

[0033] A guide tube 8 is installed through the transmission push plate 4, and a transmission tube 5 is fixedly connected and installed on the right side of the transmission push plate 4. The guide tube 8 also penetrates the limit plate 6, and the right end of the guide tube 8 is connected to the transmission roller 9. The transmission tube 5 is located outside the blasting device housing 1, and a top shaft 7 is installed through the upper surface of the right side of the transmission tube 5. A slide groove is provided on the upper surface of the blasting device housing 1, and the top shaft 7 penetrates the slide groove and is connected to the transmission roller 9. An annular groove 10 is provided on the surface of the transmission roller 9, and the top shaft 7 is connected inside the annular groove 10, and a first through hole 11 is provided inside the transmission roller 9. When the explosive on the left side of the pre-buried pipeline 2 exerts an impact force to the transmission push plate 4 to achieve a rightward thrust, a part of the impact force can enter the guide tube 8 at the same time, and the transmission push plate 4 drives the transmission tube 5 to penetrate the limit plate 6 and move to the right, and the impact force is changed into a rotation path to provide mechanical power. When the transmission tube 5 moves to the right, it also drives the top shaft 7 to move to the right, thereby providing mechanical power for the rotation of the transmission roller 9. When the top shaft 7 moves to the right, the driving roller 9 can be driven to rotate through the lines of the annular groove 10, and the impact force is changed into a rotation path through the first through hole 11 to increase the impact force.

[0034] A clamping block 12 is fixedly connected and installed on the right side of the driving roller 9, and an external thread 13 is provided on the outer side of the clamping block 12. A second through hole 14 is provided inside the clamping block 12, and the right side of the second through hole 14 is tapered. An internal thread 16 is provided inside the left side of the sliding block 15, and the internal thread 16 is threadedly connected to the external thread 13. An energy-gathering cylinder 17 is provided inside the sliding block 15, and the left side of the energy-gathering cylinder 17 is a tapered surface, and the left side of the energy-gathering cylinder 17 is located inside the right side of the clamping block 12. A conical cylinder 18 is connected and installed on the right end of the energy-gathering cylinder 17, and the conical cylinder 18 is tightly attached to the left side of the plane 3 to be blasted. When the driving roller 9 rotates, the clamping block 12 is driven to rotate at the same time, which is convenient for connecting with the sliding block 15, and the right side of the second through hole 14 is tapered to tighten the internal channel of the sliding block 15. When the pressing block 12 rotates and connects with the sliding block 15, the sliding block 15 can slide to the left at the edge of the embedded pipe 2, and the right end of the pressing block 12 can tighten the energy-gathering cylinder 17 to aggregate the rotating impact force. When the energy-gathering cylinder 17 transmits the impact force to the conical cylinder 18 again, the aggregation ability can be improved, and the rotating impact force can penetrate the plane 3 to be blasted, thereby improving the penetration force and the directional rate.

[0035] Working principle:

[0036] When the utility model is in use, when the explosive on the left side of the pre-buried pipe 2 exerts an impact force to push the transmission push plate 4 to the right, a part of the impact force can enter the inside of the guide pipe 8 at the same time, and the transmission push plate 4 drives the transmission pipe 5 to pass through the limit plate 6 and move to the right, and drives the top shaft 7 to move to the right at the same time, and drives the transmission roller 9 to rotate through the lines of the annular groove 10, and the impact force is changed into a rotating path through the first through hole 11 to increase the impact force; when the transmission roller 9 rotates, it also drives the clamping block 12 to rotate, and when connected with the sliding block 15, the sliding block 15 can slide to the left on the edge of the pre-buried pipe 2, and the right end of the clamping block 12 can tighten the energy-gathering cylinder 17 to aggregate the rotational impact force, and when the energy-gathering cylinder 17 transmits the impact force to the conical cylinder 18 again, the aggregation ability can be improved, and the rotational impact force can penetrate the plane 3 to be blasted, thereby improving the penetration force and the orientation rate.

[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-energy jet conical charge-forming blasting device, comprising a blasting device housing (1) and a pre-buried pipeline (2), characterized in that: The blasting device housing (1) is horizontally located inside the pre-buried pipe (2), and the right side of the pre-buried pipe (2) is a plane to be blasted (3), and the right end of the blasting device housing (1) is closely attached to the left side of the plane to be blasted (3). A transmission push plate (4) is arranged on the left side of the blasting device housing (1), and a limit plate (6) is arranged on the right side of the transmission push plate (4), and the limit plate (6) is fixedly connected to the left side of the blasting device housing (1). A transmission roller (9) is arranged inside the blasting device housing (1), and a pressing block (12) is arranged on the right side of the transmission roller (9), a sliding block (15) is arranged on the right side of the pressing block (12), and a conical cylinder (18) is arranged at the right end of the sliding block (15).

2. A high-energy jet conical charge blasting device according to claim 1, characterized in that: A guide tube (8) is installed through the inside of the transmission push plate (4), and a transmission tube (5) is fixedly connected and installed on the right side of the transmission push plate (4). The guide tube (8) also passes through the limit plate (6), and the right end of the guide tube (8) is connected to the transmission roller (9).

3. A high-energy jet conical charge blasting device according to claim 2, characterized in that: The transmission tube (5) is located outside the blasting device housing (1), and a top shaft (7) is installed through the upper surface of the right side of the transmission tube (5). A slide groove is provided on the upper surface of the blasting device housing (1), and the top shaft (7) passes through the slide groove and is connected to the transmission roller (9).

4. A high-energy jet conical charge blasting device according to claim 3, characterized in that: An annular groove (10) is provided on the surface of the driving roller (9), the top shaft (7) is connected to the inside of the annular groove (10), and a first through hole (11) is provided through the inside of the driving roller (9).

5. A high-energy jet conical charge blasting device according to claim 4, characterized in that: A clamping block (12) is fixedly connected to the right side of the driving roller (9), and an external thread (13) is arranged on the outside of the clamping block (12). A second through hole (14) is provided inside the clamping block (12), and the inside of the right side of the second through hole (14) is conical.

6. A high-energy jet conical charge blasting device according to claim 5, characterized in that: An internal thread (16) is provided inside the left side of the sliding block (15), and the internal thread (16) is threadedly connected to the external thread (13). An energy-gathering cylinder (17) is provided inside the sliding block (15), and the left side outer side of the energy-gathering cylinder (17) is a conical surface, and the left side of the energy-gathering cylinder (17) is located inside the right side of the pressing block (12).

7. A high-energy jet conical charge blasting device according to claim 6, characterized in that: The right end of the energy-gathering cylinder (17) is connected to a conical cylinder (18), and the conical cylinder (18) is closely attached to the left side of the plane (3) to be blasted.

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