CN214308406U

CN214308406U - Reusable high-pressure electromagnetic force blasting device

Info

Publication number: CN214308406U
Application number: CN202120448074.7U
Authority: CN
Inventors: 余新洛
Original assignee: Shaanxi Xintong Yutong Intelligent Technology Co ltd
Current assignee: Shaanxi Xintong Yutong Intelligent Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-09-28
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a reusable high-pressure electromagnetic force blasting device, which comprises a blasting cylinder, an expansion sealing cylinder, a transmission cylinder and a blasting rod; the explosion cylinder, the expansion sealing cylinder and the transmission cylinder are sequentially arranged from inside to outside in a self-explosion hole, the explosion rod axially penetrates through the expansion sealing cylinder and the transmission cylinder, the lower end of the explosion rod extends into the explosion cylinder, the upper end of the explosion rod extends out of the explosion hole, the positive electrode and the negative electrode at one end of the lead are respectively connected with an upper tungsten needle and a lower tungsten rod which are positioned in the explosion cylinder, and the other end of the lead is connected to an external power supply; the explosion tube is used for blasting the blast hole, and the sealed section of thick bamboo of inflation is used for the sealed blast hole of radial expansion, and the driving drum is used for providing the sealed moment of torsion of inflation to the sealed section of thick bamboo of inflation, and external power source release high tension current initiates the electric arc gasification blasting medium initiation blasting in the twinkling of an eye between last tungsten needle and lower tungsten rod during the blasting, and can simple efficient repeated blasting use, the utility model discloses replaced the non-explosive blasting technique of the reusable of new generation when traditional blasting.

Description

Reusable high-pressure electromagnetic force blasting device

Technical Field

The utility model relates to a high-pressure electromagnetic force blasting technical field especially relates to a repeatedly usable's high-pressure electromagnetic force blasting device.

Background

The function of the blasting technology is very important in large-scale projects such as railways, highways, mines, reservoirs and the like. Blasting technology is used for digging a tunnel in a mining and road repairing manner and removing old buildings in cities. With the development of economy and the increase of engineering construction, blasting attracts more attention. As is well known, the current blasting technology uses explosives for blasting, however, the explosives have many varieties and different component effects, are difficult to control accurately, and have great potential safety hazards in transportation, storage and management, thus being very dangerous.

The high-voltage electromagnetic force blasting is a blasting mode that high-voltage discharge is instantaneously carried out in a closed space, a blasting medium is instantaneously gasified, and then explosion is generated in the closed space so as to achieve a blasting target. The high-voltage electromagnetic force blasting has the advantages of safety and reliability in transportation, storage and management, accurate control of explosion equivalent by controlling discharge, and the like. However, the instant gasification using the fuse as the medium is usually one-time blasting, the gasification of the fuse disappears after the blasting is completed, and the new blasting or the next blasting needs to be performed by re-drilling and filling the high-voltage electric porcelain blasting device, which wastes time and labor and is low in efficiency. Therefore, there is no feasible high-pressure electromagnetic force blasting device which can be reused to overcome the problem.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a repeatedly usable's high-pressure electromagnetic force demolition unit, including explosion tube 1, inflation sealing cylinder 2, driving cylinder 3, blast pole 4, explosion tube 1 is thick wall cylinder type, be equipped with a plurality of bullports 101 on the explosion tube 1 lateral wall and communicate the inside and outside of explosion tube 1, be equipped with electrically conductive last tungsten needle 102 in the explosion tube 1, lower tungsten rod 103, it is insulating mutually to go up tungsten needle 102, lower tungsten rod 103, inflation sealing cylinder 2 is that the outer layer is equipped with flexible inflation sealing material 201, the inlayer is equipped with the drum of inflation skeleton 202, driving cylinder 3 is long cylinder type, driving cylinder 3 is inside to be equipped with coaxial hollow transfer line 301, blast pole 4 is the long straight pipe that the inner wall laid wire 5; the explosion cylinder 1, the expansion sealing cylinder 2 and the transmission cylinder 3 are sequentially arranged from inside to outside along the axial direction in the self-explosion hole 6, the explosion rod 4 axially penetrates through the expansion sealing cylinder 2 and the transmission cylinder 3, the explosion cylinder 1, the expansion sealing cylinder 2, the transmission cylinder 3, the explosion rod 4 and the transmission rod 301 are coaxial, the lower end of the explosion rod 4 extends into the explosion cylinder 1, the upper end of the explosion cylinder extends out of the explosion hole 6, the positive electrode and the negative electrode of one end of the lead 5 are respectively connected with the upper tungsten needle 102 and the lower tungsten rod 103, and the positive electrode and the negative electrode of the other end of the lead 5 are connected to an external power supply 7; the blasting cartridge 1 is used for blasting a target in the blasting hole 6, the expansion sealing cartridge 2 is used for radially expanding and sealing the blasting hole 6, the transmission cartridge 3 is used for providing expansion sealing torque for the expansion sealing cartridge 2, and the external power supply 7 releases high-voltage current during blasting to initiate electric arc between the upper tungsten needle 102 and the lower tungsten rod 103 to instantaneously gasify the blasting medium 8 filled in the blasting cartridge 1 to cause blasting force to rush out from the guide hole 101 and blast the blasting hole 6; during blasting, the external power supply 7 instantly releases 5000-30000-volt high-voltage current through the high-voltage capacitor to instantly gasify and detonate the blasting medium 8 in a narrow space of the blasting cartridge 1, strong impact force forms a stronger blasting effect than that of an isometric explosive, guide holes 101 in different directions, different sizes and different angles can form different blasting effects, and the upper tungsten needle 102 and the lower tungsten rod 103 can be intact after blasting, so that the requirement of repeated use for many times is met.

Preferably, the blasting media 8 comprises water; namely, water is gasified instantly at the moment of explosion to generate high temperature and high pressure to generate explosion, namely, the explosion effect which is not inferior to that of the original strong explosive can be generated only by adopting water.

Preferably, the upper tungsten needle 102 and the lower tungsten rod 103 are made of metal tungsten, and the metal tungsten is hard and can meet the requirement of repeated use without damage.

Preferably, the upper tungsten needle 102 and the lower tungsten rod 103 are both columnar and coaxial with the blasting cartridge 1; the upper tungsten needle 102 and the lower tungsten rod 103 are ensured to be positioned on the axis of the explosive cylinder 1, and the explosive force is uniformly punched out of the guide hole 101 during the detonation, so that the optimal blasting effect is achieved.

Preferably, the upper tungsten needle 102 and the lower tungsten rod 103 are opposite to each other in head, the upper tungsten needle 102 is located above the lower tungsten rod 103, the tail of the upper tungsten needle 102 is connected to the positive electrode of the external power supply 7, and the tail of the lower tungsten rod 103 is connected to the negative electrode of the external power supply 7.

Preferably, the expansion sealing cylinder 2 further comprises an expansion shaft 203 and an expansion sleeve 204, the expansion shaft 203 is in a cylindrical shape with a hollow inner portion along the axial direction, two ends of the outer circumference of the expansion shaft 203 are respectively in threaded connection with the expansion sleeve 204, the expansion sleeve 204 is driven by the threads to move axially when the expansion shaft 203 rotates so as to expand the expansion framework 202, and the expansion framework 202 radially and outwardly extrudes the flexible expansion sealing material 201 to radially seal the blast hole 6.

Preferably, the expansion framework 202 is a cylinder formed by splicing tile-shaped expansion sheets 205 with the same shape and the same size, the expansion framework 202 is sleeved outside the expansion sleeve 204, an outer taper 206 is arranged outside the expansion sleeve 204, an inner taper 207 is arranged inside the expansion sheet 205, and the outer taper 206 displaces the inner taper 207 when the expansion sleeve 204 is stressed to move axially so as to radially open the expansion sheet 205.

Preferably, the transmission cylinder 3 further includes a transmission flange 302, the transmission flange 302 is divided into an upper flange 303 and a lower flange 304, a convex boss 305 is disposed on a bottom surface of the upper flange 303, a concave groove 306 is disposed on a top surface of the lower flange 304, the upper flange 303 is tightly connected to a lower end of the transmission rod 301, the lower flange 304 is tightly connected to the expansion sealing cylinder 2, and the transmission rod 301 can transmit the torque to the expansion sealing cylinder 2 after the boss 305 sinks into the groove 306.

Preferably, the bottom of the lower tungsten rod 103 is connected with a metal corrugated pipe 104 coaxial with the lower tungsten rod 103, and the metal corrugated pipe 104 can absorb pressure downwards along the axial direction and release elasticity upwards; when blasting, the metal corrugated pipe 104 is extruded by the blasting force to shrink downwards to absorb the pressure, the distance between the upper tungsten needle 102 and the lower tungsten rod 103 is pulled, after the blasting is finished, the metal corrugated pipe 104 releases the elastic force to return upwards and returns to the position before blasting, the next blasting can be carried out at any time after the blasting medium 8 is supplemented, and the repeated use at any time is really realized.

Preferably, the metal corrugated tube 104 is electrically connected to the blasting cartridge 1, an insulating sleeve 105 is arranged between the upper tungsten needle 102 and the blasting cartridge 1, the positive electrode of the lead 5 is electrically connected to the upper tungsten needle 102, and the negative electrode of the lead 5 is electrically connected to the lower tungsten rod 103 through the blasting cartridge 1 and the metal corrugated tube 104.

The utility model has the advantages that:

the utility model discloses a high-pressure electromagnetic force blasting device will go up the tungsten needle and the mutual head of lower tungsten rod just is in the explosion tube at the thick wall drum type that is equipped with the bullport, and inject blasting medium in the explosion tube, the blasting medium in the explosion tube gasifies in the twinkling of an eye during the blasting, produce huge high temperature high pressure explosive power and explode the blast hole from outside the outbreak in the bullport, traditional blasting has been replaced, the explosive-free blasting technique of new generation has been realized, can not need punch once more simultaneously and need not fill high-voltage electric porcelain blasting device, only need simple quick supplementary blasting medium (for example water) can carry out the blasting of next round fast, every blasting once need punch once again and fill high-voltage electric porcelain blasting device when having solved the blasting in the past, waste time and energy the problem of inefficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front sectional view of a reusable high-pressure electromagnetic force blasting device of the present invention;

FIG. 2 is an overall exploded view of the present invention;

fig. 3 is a partially enlarged schematic view of the blasting cartridge of the present invention;

FIG. 4 is a partially exploded perspective view of the transmission barrel;

FIG. 5 is a partially exploded perspective view of the inflatable sealing cartridge;

fig. 6 is a partially exploded perspective view of the explosive cartridge.

In the figure, 1, a blasting cartridge; 2. an expansion seal cartridge; 3. a transmission cylinder; 4. a blasting rod; 5. a wire; 6. a blast hole; 7. an external power supply; 8. a blasting media; 101. a guide hole 102, an upper tungsten needle 103 and a lower tungsten rod; 104. a metal bellows; 105. an insulating sleeve; 201. a flexible intumescent sealing material; 202. expanding the skeleton; 203. an expansion shaft; 204. an expansion sleeve; 205. an intumescent sheet; 206. external taper; 207. inner conicity; 301. a transmission rod; 302. a transmission flange; 303. an upper flange plate; 304. a lower flange plate; 305. a boss; 306. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Further, the blasting media 8 comprises water; namely, water is gasified instantly at the moment of explosion to generate high temperature and high pressure to generate explosion, namely, the explosion effect which is not inferior to that of the original strong explosive can be generated only by adopting water.

Further, the upper tungsten needle 102 and the lower tungsten rod 103 are both made of metal tungsten, and the metal tungsten is hard and can meet the requirement of repeated use without damage.

Further, the upper tungsten needle 102 and the lower tungsten rod 103 are both columnar and coaxial with the blasting cartridge 1; the upper tungsten needle 102 and the lower tungsten rod 103 are ensured to be positioned on the axis of the explosive cylinder 1, and the explosive force is uniformly punched out of the guide hole 101 during the detonation, so that the optimal blasting effect is achieved.

Furthermore, the upper tungsten needle 102 and the lower tungsten rod 103 are opposite to each other in head, the upper tungsten needle 102 is located above the lower tungsten rod 103, the tail of the upper tungsten needle 102 is connected to the positive electrode of the external power supply 7, and the tail of the lower tungsten rod 103 is connected to the negative electrode of the external power supply 7.

Further, the expansion sealing cylinder 2 further comprises an expansion shaft 203 and an expansion sleeve 204, the expansion shaft 203 is in a cylindrical shape with a hollow inner part along the axial direction, two ends of the outer circumference of the expansion shaft 203 are respectively in threaded connection with the expansion sleeve 204, the expansion shaft 203 drives the expansion sleeve 204 to axially move when rotating so as to open the expansion framework 202, and the expansion framework 202 radially and outwardly extrudes the flexible expansion sealing material 201 to radially seal the blast hole 6.

Furthermore, the expansion framework 202 is a cylinder formed by splicing tile-shaped expansion sheets 205 with the same shape and the same size, the expansion framework 202 is sleeved outside the expansion sleeve 204, an outer taper 206 is arranged outside the expansion sleeve 204, an inner taper 207 is arranged inside the expansion sheet 205, and when the expansion sleeve 204 is stressed to move axially, the outer taper 206 displaces the inner taper 207 so as to radially open the expansion sheet 205.

Further, the transmission cylinder 3 further comprises a transmission flange 302, the transmission flange 302 is divided into an upper flange plate 303 and a lower flange plate 304, a convex boss 305 is arranged on the bottom surface of the upper flange plate 303, a concave groove 306 is arranged on the top surface of the lower flange plate 304, the upper flange plate 303 is tightly connected to the lower end of the transmission rod 301, the lower flange plate 304 is tightly connected to the expansion sealing cylinder 2, and the transmission rod 301 can transmit torque to the expansion sealing cylinder 2 after the boss 305 sinks into the groove 306.

Further, the bottom of the lower tungsten rod 103 is connected with a metal corrugated pipe 104 coaxial with the lower tungsten rod 103, and the metal corrugated pipe 104 can absorb pressure downwards along the axial direction and release elasticity upwards; when blasting, the metal corrugated pipe 104 is extruded by the blasting force to shrink downwards to absorb the pressure, the distance between the upper tungsten needle 102 and the lower tungsten rod 103 is pulled, after the blasting is finished, the metal corrugated pipe 104 releases the elastic force to return upwards and returns to the position before blasting, the next blasting can be carried out at any time after the blasting medium 8 is supplemented, and the repeated use at any time is really realized.

Further, the metal corrugated pipe 104 is electrically connected with the blasting cartridge 1, an insulating sleeve 105 is arranged between the upper tungsten needle 102 and the blasting cartridge 1, the positive electrode of the lead 5 is electrically connected with the upper tungsten needle 102, and the negative electrode of the lead 5 is electrically connected with the lower tungsten rod 103 through the blasting cartridge 1 and the metal corrugated pipe 104.

Examples

In practical use, firstly, the blasting device is put into the punched blast hole 6, so that the blasting cartridge 1 reaches a preset blasting position; next, the blasting medium 8 is put into the inner space of the explosive cartridge 1 through the hollow hole inside the blasting rod 4. Then, the transmission rod 301 is rotated, the transmission rod 301 drives the expansion shaft 203 to synchronously rotate through the transmission flange 302, the expansion shaft 203 drives the expansion sleeve 205 with opposite rotation directions to move oppositely, and further the expansion framework 202 is expanded to radially expand the flexible expansion sealing material 201 to complete the radial sealing of the expansion sealing cylinder 2; thirdly, blasting media 8 are injected into the blasting cartridge 1 through the blasting rod 4, and fourthly, an external power supply 7 is connected to the lead 5; and finally, an external power supply 7 is turned on, high-voltage current initiates electric arc between the upper tungsten needle 102 and the lower tungsten rod 103 to instantly gasify the blasting medium 8, blasting is initiated in a closed space, the blasting impact force is punched out through the guide hole 101 and explodes the blasting hole 6, meanwhile, the metal corrugated pipe 104 is extruded by the blasting force to shrink downwards to absorb pressure, and after the blasting is finished, the metal corrugated pipe 104 releases elastic force and returns upwards to the position before the blasting. At this point, a round of blasting is finished. When needing to blast once more, only need supply blasting medium 8 back can carry out next blasting in time, really realized can repetitious usage at any time and need not to punch once more and need not fill high-tension electric porcelain blasting unit once more.

To sum up, the utility model relates to a repeatedly usable's high-pressure electromagnetic force demolition unit gasifies the blasting medium in the twinkling of an eye in confined blast hole through high-pressure electromagnetic force demolition unit, produces huge high temperature high pressure impact force and explodes, has replaced the non-explosive blasting technique that has realized new generation when traditional blasting, goes up simultaneously under the tungsten needle therefore can initiate electric arc many times between the tungsten stick and realized simple swift repetitious repetition and explode, consequently the utility model discloses possess extensive application prospect.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the present invention.

Claims

1. A reusable high-pressure electromagnetic force blasting device is characterized by comprising a blasting cylinder (1), an expansion sealing cylinder (2), a transmission cylinder (3) and a blasting rod (4), the explosive cartridge (1) is a thick-wall cylinder, a plurality of guide holes (101) are arranged on the side wall of the explosive cartridge (1) and are communicated with the inside and the outside of the explosive cartridge (1), an upper tungsten needle (102) and a lower tungsten rod (103) which are conductive are arranged in the blasting cartridge (1), the upper tungsten needle (102) and the lower tungsten rod (103) are mutually insulated, the expansion sealing cylinder (2) is a cylinder with an outer layer provided with a flexible expansion sealing material (201) and an inner layer provided with an expansion framework (202), the transmission cylinder (3) is in a long cylinder shape, a coaxial hollow transmission rod (301) is arranged in the transmission cylinder (3), the blasting rod (4) is a long straight circular tube, and a lead (5) is laid on the inner wall of the long straight circular tube;

the explosion cylinder (1), the expansion sealing cylinder (2) and the transmission cylinder (3) are sequentially arranged from inside to outside along the axial direction in the self-explosion hole (6), the explosion rod (4) axially penetrates through the expansion sealing cylinder (2) and the transmission cylinder (3), the explosion cylinder (1), the expansion sealing cylinder (2), the transmission cylinder (3), the explosion rod (4) and the transmission rod (301) are coaxial, the lower end of the explosion rod (4) extends into the explosion cylinder (1), the upper end of the explosion rod extends out of the self-explosion hole (6), the positive electrode and the negative electrode of one end of the lead (5) are respectively connected with the upper tungsten needle (102) and the lower tungsten rod (103), and the positive electrode and the negative electrode of the other end of the lead (5) are connected to an external power supply (7);

the explosion cylinder (1) is used for blasting the explosion hole (6), the expansion sealing cylinder (2) is used for radially expanding and sealing the explosion hole (6), the transmission cylinder (3) is used for providing expansion sealing torque for the expansion sealing cylinder (2), and during explosion, the external power supply (7) releases high-voltage current to initiate electric arc between the upper tungsten needle (102) and the lower tungsten rod (103) to instantaneously gasify the explosion medium (8) filled in the explosion cylinder (1) to cause explosion force to rush out from the guide hole (101) and blast the explosion hole (6).

2. A reusable high pressure electromagnetic force blasting apparatus according to claim 1, wherein the blasting media (8) comprises water.

3. A reusable high-pressure electromagnetic force blasting device according to claim 1, wherein the upper tungsten needle (102) and the lower tungsten rod (103) are made of metallic tungsten.

4. The reusable high-pressure electromagnetic force blasting device according to claim 1, wherein the upper tungsten needle (102) and the lower tungsten rod (103) are both cylindrical and coaxial with the blasting cartridge (1).

5. The reusable high-voltage electromagnetic force blasting device according to claim 4, wherein the upper tungsten needle (102) and the lower tungsten rod (103) are opposite to each other in head, the upper tungsten needle (102) is located above the lower tungsten rod (103), the tail of the upper tungsten needle (102) is connected to the positive pole of the external power supply (7), and the tail of the lower tungsten rod (103) is connected to the negative pole of the external power supply (7).

6. The reusable high-pressure electromagnetic force blasting device according to claim 1, wherein the expansion sealing cylinder (2) further comprises an expansion shaft (203) and an expansion sleeve (204), the expansion shaft (203) is in a cylindrical shape with a hollow interior along the axial direction, two ends of the outer circumference of the expansion shaft (203) are respectively in threaded connection with the expansion sleeve (204), when the expansion shaft (203) rotates, the expansion sleeve (204) is driven by the threads to move axially so as to expand the expansion framework (202), and the expansion framework (202) radially and outwardly extrudes the flexible expansion sealing material (201) to radially seal the blasting hole (6).

7. The reusable high-pressure electromagnetic force blasting device according to claim 6, wherein the expansion framework (202) is a cylindrical shape formed by splicing tile-shaped expansion pieces (205) with the same shape and the same size, the expansion framework (202) is sleeved outside the expansion sleeve (204), an external taper (206) is arranged outside the expansion sleeve (204), an internal taper (207) is arranged inside the expansion piece (205), and when the expansion sleeve (204) is stressed to move axially, the external taper (206) pushes the internal taper (207) to radially open the expansion piece (205).

8. The reusable high-pressure electromagnetic force blasting device according to claim 1, wherein the transmission barrel (3) further comprises a transmission flange (302), the transmission flange (302) is divided into an upper flange (303) and a lower flange (304), a lower surface of the upper flange (303) is provided with a downward convex boss (305), a top surface of the lower flange (304) is provided with a downward concave groove (306), the upper flange (303) is fixedly connected to the lower end of the transmission rod (301), the lower flange (304) is fixedly connected to the expansion sealing barrel (2), and the transmission rod (301) can transmit torque to the expansion sealing barrel (2) after the boss (305) sinks into the groove (306).

9. The reusable high-pressure electromagnetic force blasting device according to claim 1, wherein a metal bellows (104) coaxial with the lower tungsten rod (103) is connected to the bottom of the lower tungsten rod (103), and a corrugated tube wall of the metal bellows (104) can axially absorb pressure downwards and release elastic force upwards.

10. The reusable high-pressure electromagnetic force blasting device according to claim 9, wherein the metal bellows (104) is electrically connected to the blasting cartridge (1), an insulating sleeve (105) is arranged between the upper tungsten needle (102) and the blasting cartridge (1), the positive electrode of the wire (5) is electrically connected to the upper tungsten needle (102), and the negative electrode of the wire (5) is electrically connected to the lower tungsten rod (103) through the blasting cartridge (1) and the metal bellows (104).