Deep hole blasting auxiliary device

Abstract

The utility model belongs to the technical field of blasting equipment, and particularly relates to a deep hole blasting auxiliary device, which comprises a cylindrical cartridge case with openings at two ends; the explosive cartridge further comprises a plurality of charging blocks, the charging blocks are evenly arranged in the explosive cartridge in a filling mode, and explosives are integrated on the charging blocks. The energy-gathered end cover is detachably arranged at the opening in one end of the cartridge case and used for sealing the opening; the cartridge case cover is detachably arranged at one end, far away from the energy-gathering end cover, of the cartridge case; wherein the center of the cartridge case cover is provided with a center hole for a detonator or an electric conductor to penetrate through and enter the cartridge case, the cartridge case cover is further provided with a wire arranging chamber for winding a detonating wire, the explosive integrated on the explosive charging block can be detonated through the detonator or the electric conductor, and compared with the prior art, the explosive charging device facilitates explosive charging of deep hole blasting operation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of blasting equipment, especially relates to a deep hole blasting auxiliary device. BACKGROUND

[0002] Deep hole blasting refers to the blast hole blasting technology with the hole diameter greater than 50mm and the hole depth greater than 5m. In the existing deep hole blasting, the detonator is usually placed in the deep hole for blasting to complete the target, or the detonator is controlled by the detonating lead after deep hole charging, and the explosive is detonated by the electric conductor to complete the target. For example, the patent with the application number CN202510148142.0 discloses a coal mine deep hole blasting emulsion explosive charging device and method, which relates to the technical field of coal mine blasting. The device comprises a charging system, a power system and a hole sealing system. The charging system comprises a charging barrel, a cartridge, a cartridge buckle and a sealing cover. One end of the charging barrel is an open end, and the other end is provided with a compressed air pipe interface. The cartridge is slidably arranged in the charging barrel. The cartridge buckle is arranged on the charging barrel and is used for clamping the cartridge. The cartridge is used for filling emulsion explosive. The sealing cover is slidably arranged in the charging barrel and is located between the cartridge and the compressed air pipe interface. The power system comprises a compressed air blower, a compressed air pipe and an air outlet valve. The hole sealing system comprises a plugging device, a charging device and a medicine pipe.

[0003] The existing deep hole blasting auxiliary device is complex in use, and the stability of the charging in the deep hole cannot be guaranteed, so it is necessary to make improvements. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problem, and provides a deep hole blasting auxiliary device to facilitate the charging of deep hole blasting and improve the stability of the charging.

[0005] Therefore, the utility model provides a deep hole blasting auxiliary device, which comprises:

[0006] The cartridge is cylindrical and has openings at both ends.

[0007] Further comprising:

[0008] The charging block has a plurality of charging blocks and is uniformly filled in the cartridge. The charging block is integrated with explosive.

[0009] The energy-gathering end cover is detachably arranged at the opening of one end of the cartridge for closing the opening.

[0010] The cartridge cover is detachably arranged at one end of the cartridge away from the energy-gathering end cover.

[0011] The center of the cartridge cover has a center hole for the detonator or electric conductor to pass through and enter the cartridge, and a wire arranging chamber for winding the detonating wire is arranged on the cartridge cover.

[0012] In the technical solution, the cartridge is arranged in the deep hole, then the charge block is directly filled into the cartridge, the detonating wire is connected with the detonator or electric conductor, and finally the detonator or electric conductor is inserted into the cartridge through the center hole of the cartridge cover and extends into the cartridge, so that the explosive integrated on the charge block is detonated by the detonator or electric conductor to perform deep hole blasting.

[0013] In the above technical solution, further, the charge block further comprises:

[0014] a main body, the main body is in a cylindrical shape, the main body has a center channel extending in the axial direction and an expansion part extending in the radial direction;

[0015] an inner liner, the inner liner is arranged in the expansion part;

[0016] The expansion part is in a groove shape gradually narrowing from the surface of the main body to the center channel, the center channel is in communication with the expansion part, and the explosive is arranged in the expansion part and fixed by the inner liner to directly contact the inner surface of the expansion part.

[0017] In the above technical solution, further, it further comprises:

[0018] an alignment part, the alignment part comprises an annular protrusion and an annular groove arranged at both ends of the center channel of the main body respectively;

[0019] The annular protrusion and the annular groove are coaxially distributed with the center channel, and the annular protrusion on the adjacent main body can be matched with the corresponding annular groove.

[0020] In the above technical solution, further, the energy-gathering end cover further comprises:

[0021] an embedded groove, the embedded groove is arranged on the energy-gathering end cover and can be embedded in the end part of the cartridge, and the embedded groove has a sealing protrusion in the center matched with the inside of the cartridge;

[0022] The outer wall of the end part of the cartridge has an external thread, and the inner wall of the embedded groove has an internal thread matched with the external thread.

[0023] In the above technical solution, further, the extension part has several and several extension parts are uniformly distributed along the circumference of the main body.

[0024] The utility model discloses the beneficial effect is:

[0025] 1. by the direct integration of explosive on the charge block, thereby independent charge system is saved, and the charge of deep hole blasting operation is facilitated;

[0026] 2. the setting of the energy-gathering end cover further gathers the blasting energy, and the stability of deep hole blasting operation is improved;

[0027] 3. the setting of the wire arranging chamber on the cartridge cover can reduce the part of the excess length of the detonation lead wire exposed outside, and the phenomenon that the detonation operation is affected by the external interference of the detonation lead wire is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0029] Figure 1 It is the structure schematic diagram of the specific embodiment of the utility model.

[0030] Figure 2 It is the structure schematic diagram of the utility model sectional view.

[0031] Figure 3 It is the structure schematic diagram of the utility model energy-gathering end cover.

[0032] Figure 4 It is the structure schematic diagram of the utility model charge block.

[0033] Figure 5 It is the structure schematic diagram of the utility model charge block sectional view.

[0034] The mark in the drawing indicates that:

[0035] 1, cartridge;2, charge block;20, main body;21, central passage;22, extension part;23, inner liner;24, alignment piece;3, explosive;4, energy-gathering end cover;40, fitting groove;41, sealing lug;5, cartridge cover;50, center hole;51, wire arranging chamber. DETAILED DESCRIPTION

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the art may not be discussed in detail, but should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as only exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] Embodiment 1:

[0039] The embodiment of the present application provides a deep hole blasting auxiliary device, comprising: a cartridge 1, the cartridge 1 is cylindrical and both ends are provided with openings;

[0040] Further comprising: a charge block 2, the charge block 2 has a plurality of and is uniformly filled in the cartridge 1, the charge block 2 is integrated with an explosive 3; an energy-gathering end cover 4, the energy-gathering end cover 4 is detachably arranged at the opening of one end of the cartridge 1 for closing the opening; a cartridge cover 5, the cartridge cover 5 is detachably arranged at one end of the cartridge 1 away from the energy-gathering end cover 4;

[0041] Wherein, the center of the cartridge cover 5 has a center hole 50 for the detonator to pass through and enter the cartridge 1, the cartridge cover 5 is further provided with a wire arranging chamber 51 for winding the detonation lead wire, the explosive 3 integrated on the charge block 2 can be detonated by the detonator.

[0042] In the deep hole blasting operation in the embodiment, the cartridge 1 is arranged in the deep hole, then the charge block 2 is directly filled into the cartridge 1, the detonation lead is connected with the detonator or the electrical conductor, then the detonator or the electrical conductor is finally penetrated from the center hole 50 of the cartridge cover 5 and extends into the cartridge 1, the deep hole blasting is carried out by detonating the explosive 3 integrated on the charge block 2 through the detonator or the electrical conductor, compared with the prior art, the explosive 3 is directly integrated on the charge block 2, so that the independent charging system is saved, the charging of the deep hole blasting operation is facilitated, meanwhile, the wire arrangement chamber 51 on the cartridge cover 5 can reduce the part of the detonation lead which is exposed outside and is redundant in length, the phenomenon that the detonation operation is affected due to the external interference of the detonation lead is avoided, and the energy gathering end cover 4 can further gather the blasting energy and improve the stability of the deep hole blasting operation.

[0043] Embodiment 2

[0044] The embodiment provides a deep hole blasting auxiliary device, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features, the charge block 2 further includes: the main body 20, the main body 20 is cylindrical, the main body 20 has the center passage 21 extending in the axial direction and the extension part 22 extending in the radial direction;The inner liner 23 is arranged in the extension part 22.

[0045] Wherein, the extension part 22 is in the form of a groove gradually narrowing from the surface of the main body 20 to the center passage 21, the center passage 21 is communicated with the extension part 22, and the explosive 3 is arranged in the extension part 22 and fixed by the inner liner 23 to directly contact the inner surface of the extension part 22.

[0046] Further comprising: the alignment piece 24, the alignment piece 24 includes annular protrusions and annular grooves arranged at both ends of the center passage 21 of the main body 20 respectively.

[0047] Wherein, the annular protrusions and the annular grooves are coaxially distributed with the center passage 21, and the annular protrusions on the adjacent main body 20 can be matched with the corresponding annular grooves.

[0048] The extension part 22 has a plurality of extension parts 22 and the plurality of extension parts 22 are uniformly and spacedly distributed along the circumference of the main body 20.

[0049] Furthermore, when the explosive 3 in the charge block 2 is detonated by the electric conductor, the inner wall of the central channel 21 of the charge block 2 can be made of conductive material and can transmit the detonation signal to the expansion part 22 to detonate the explosive 3, the expansion part 22 can be conical or cup-shaped, has a linear or monotonous curved profile, which is continuous or discontinuous, has an opening at the bottom of the expansion part 22 in communication with the central channel 21, and the expansion part 22 has no holding features for holding the explosive 3. The inner surface of the expansion part 22 is generally smooth, and the wide part of each expansion part 22 has a smooth edge without holding features for holding the explosive 3. The inner liner 23 is arranged in the expansion part 22, the inner liner 23 is pressed into the expansion part 22 and contains the explosive 3 in the expansion part 22, the inner liner 23 is usually fixed in the expansion part 22 using adhesive material or adhesive means, and the inner surface of the expansion part 22 can have a surface treatment to enhance the adhesion of the explosive 3 to the inner surface. The surface treatment can include applying an adhesive or creating roughness, for example, by sandblasting, scoring, grinding, etc.

[0050] The inner liner 23 is a conical or dome-shaped object with a top edge and a bottom protrusion. The protrusion is usually pressed into the explosive 3, and the edge usually contacts the inner surface of the expansion part 22.

[0051] The main body 20 can be made of metal, such as steel, or another hard material, such as hard plastic. The main body 20 can be a combination of steel and plastic. For example, a plastic cylindrical body can have a steel insert in its expansion part 22 to support the application of high pressure to set the explosive 3 and the inner liner 23. The inner wall of the central channel 21 is metal.

[0052] In this embodiment, in deep hole blasting operations, the cartridge 1 is arranged in a deep hole, and then the charge block 2 is directly filled into the cartridge 1. The alignment part 24 can facilitate the alignment of multiple charge blocks 2 during the filling process. After connecting the detonating lead to the detonator or electric conductor, the detonator or electric conductor is finally inserted through the center hole 50 of the cartridge cover 5 and extends into the cartridge 1. The explosive 3 integrated on the charge block 2 is detonated by the detonator or electric conductor, and when detonation occurs, the detonation device (such as a detonator) in the central channel 21 transmits the detonation energy to the expansion part 22 through the opening, and the explosive 3 is launched at high speed and penetrates the bottom layer due to the design of the expansion part 22 and the effect of the inner liner 23. Compared with the prior art, the present application can effectively simplify the charging process of deep hole blasting operations, facilitate the charging of deep hole blasting operations, optimize the jet direction of the explosive 3, enhance the perforation efficiency, and reduce the risk of charge loosening.

[0053] Embodiment 3:

[0054] The embodiment provides a deep hole blasting auxiliary device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the energy-gathering end cover 4 further comprises: the embedded groove 40, the embedded groove 40 is arranged on the energy-gathering end cover 4 and can be embedded in the end of the cartridge 1, the embedded groove 40 has the sealing lug 41 in the center and cooperates with the inside of the cartridge 1;

[0055] Wherein, the outer wall of the end of the cartridge 1 has external threads, and the inner wall of the embedded groove 40 has internal threads matched with the external threads.

[0056] Moreover, the cartridge cover 5 has the same structure as the energy-gathering end cover 4, that is, the end of the cartridge cover 5 towards the cartridge 1 also has the embedded groove 40 and the sealing lug 41, and the corresponding end of the cartridge 1 also has external threads.

[0057] In the embodiment, the energy-gathering end cover 4 can seal the end of the cartridge 1, so as to gather blasting energy and improve the stability of deep hole blasting operation.

[0058] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other in the case of no conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, rather than limiting, and the person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, which all belong to the protection of the application.

Claims

1. A deep-hole blasting auxiliary device, comprising: The medicine cartridge (1) is cylindrical and has openings at both ends; Its characteristic is that it further includes: A charge block (2), which has a plurality of charge blocks (2) and is evenly filled in a charge cartridge (1), and explosives (3) are integrated on the charge block (2); Concentrating end cap (4), which is detachably disposed at the opening at one end of the cartridge (1) for sealing the opening; The cartridge cap (5) is detachably disposed at the end of the cartridge (1) away from the energy-concentrating end cap (4); The cartridge cover (5) has a central hole (50) through which a detonator or electrical conductor passes and enters the cartridge (1). The cartridge cover (5) is also provided with a wire management chamber (51) for winding the detonating wire. The explosive (3) integrated on the charge block (2) can be detonated by a detonator or electrical conductor.

2. The deep-hole blasting auxiliary device according to claim 1, characterized in that, The charge block (2) also includes: The main body (20) is cylindrical and has a central channel (21) extending along the axial direction and an extension portion (22) extending along the radial direction. Liner (23), said liner (23) is disposed in the extension portion (22); The extended portion (22) is a groove that gradually narrows from the surface of the main body (20) toward the central channel (21). The central channel (21) is connected to the extended portion (22). The explosive (3) is placed in the extended portion (22) and fixed by the liner (23) to directly contact the inner surface of the extended portion (22).

3. The deep-hole blasting auxiliary device according to claim 2, characterized in that, Also includes: Alignment member (24), the alignment member (24) includes annular protrusions and annular grooves respectively disposed at both ends of the central channel (21) of the main body (20); The annular protrusions and annular grooves are coaxially distributed with the central channel (21), and the annular protrusions on the adjacent main body (20) can cooperate with the corresponding annular grooves.

4. The deep-hole blasting auxiliary device according to claim 1, characterized in that, The energy-concentrating end cap (4) also includes: Fitting groove (40), the fitting groove (40) is provided on the energy-concentrating end cap (4) and can be fitted into the end of the cartridge (1), the fitting groove (40) has a sealing protrusion (41) in the center that cooperates with the inside of the cartridge (1); The outer wall of the end of the cartridge (1) has an external thread, and the inner wall of the fitting groove (40) has an internal thread that mates with the external thread.

5. A deep-hole blasting auxiliary device according to claim 2, characterized in that: The extension portion (22) has a plurality of extension portions (22) and the plurality of extension portions (22) are evenly spaced along the circumference of the main body (20).

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