CN218821960U - Directional blasting device for reinforcing space in blasting hole - Google Patents

Abstract

The utility model discloses a directional blasting device for reinforcing space in a blasting hole, which comprises a cartridge loading cylinder, wherein a plurality of support sheets are arranged around the outer side surface of the cartridge loading cylinder, the end parts of the support sheets are connected and fixed with the front end of the cartridge loading cylinder, a movable ring is screwed on the tail end thread of the cartridge loading cylinder, the end surface of the movable ring facing the support sheets is a slope, the support sheets are provided with two layers and an interlayer with springs, the inner layer of the support sheets is positioned in the springs and is fixedly connected with positioning columns, the outer layer of the support sheets is provided with trepanning relative to the positioning columns, and the tail ends of the positioning columns are conical; the positioning column is accommodated in the interlayer of the supporting sheet, so that the conical tail end of the positioning column is not exposed, the external damage of the positioning column with the conical tail end to the outside in the transportation or storage process of the device is avoided, the outer layer of the supporting sheet is abutted to the inner wall of the blasting hole to be pressed, so that the positioning column is exposed out of the supporting sheet through the sleeve hole, the conical tail end of the positioning column is nailed into the inner wall of the blasting hole, and the positioning and the reinforcing of the cartridge case are realized.

Description

Directional blasting device for reinforcing space in blasting hole

Technical Field

The utility model relates to a blasting engineering technical field especially relates to a reinforced (rfd) directional blasting device of blast hole inner space.

Background

Directional blasting is a blasting technology which utilizes the action of explosive explosion to throw earthwork in a certain area to a specified area and approximately stack the earthwork into a required shape, is mainly used for dam repair, road construction, land leveling and the like, is particularly suitable for work sites with labor shortage, inconvenient traffic and no construction site, and is often applied to mining to blast surrounding rocks of ore bodies.

For example, the authorized publication No. CN210773718U discloses a directional blasting device for a debris flow area of a mine, which realizes reinforcement of an inner space of a blast hole, and avoids deviation of a blasted object even complete separation from a predetermined blast point, but does not solve the problem that the device needs to adopt a plug with a sharp end for positioning and fixing in the blast hole, and the sharp end of the plug not only needs to occupy a large amount of storage space, but also easily causes damage to the outside, and is not beneficial to storage and transportation.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's is not enough, the utility model provides a reinforced (rfd) directional blasting device of blast hole inner space, the reference column is accomodate and is made its toper end not expose in the intermediate layer of backing sheet, avoid having the reference column of toper end in device transportation or the storage process to cause to draw the damage to the external world, thereby the backing sheet is outer to make it receive oppression compression spring with blast hole inner wall butt, the reference column exposes in the backing sheet via the trepanning, the blast hole inner wall is nailed into to the toper end that the reference column has, the realization is consolidated the location of cartridge case itself.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a reinforced (rfd) directional blasting unit of blast hole inner space, includes the cartridge case, the lateral surface of cartridge case is encircleed and is provided with a plurality of backing sheets, the backing sheet tip is connected fixedly with the front end of cartridge case, the tail end screw thread of cartridge case closes soon and is provided with the loose collar, the loose collar is the slope towards the terminal surface in the backing sheet, the backing sheet design has two-layer and intermediate layer to be provided with the spring, the inlayer of backing sheet is located the internal connection of spring and is fixed with the reference column, the trepanning has been seted up for the reference column to the skin of backing sheet, the end of reference column is the toper.

Preferably, the front end head of the medicine containing barrel is connected with a reinforcing seal head, the reinforcing seal head is conical in shape, and the supporting sheet and the medicine containing barrel are reinforced and fixed by the reinforcing seal head.

Preferably, the outer side surface of the movable ring is provided with anti-slip lines, the outer side wall of the movable ring is provided with a holding rod in a connecting manner, and the tail end of the holding rod is spherical.

Preferably, the outer side surface of the medicine containing barrel is provided with an external thread, the inner side surface of the movable ring is provided with an internal thread, and the internal thread and the external thread are matched and screwed.

Preferably, the movable ring is rotatably connected with an ejector block towards the end face of the support sheet, and the end face of the ejector block towards the support sheet is a slope face.

Preferably, the lateral surface of dress cartridge case has seted up the direction spout corresponding to the backing sheet axial, sliding connection has the kicking block on the direction spout, the kicking block is the slope towards the terminal surface in the backing sheet, the kicking block is kept away from between the terminal surface in the backing sheet and the movable ring butt.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the positioning column is accommodated in the interlayer of the support sheet to enable the conical tail end of the positioning column not to be exposed, the problem that the positioning column with the conical tail end scratches the outside world in the transportation or storage process of the device is avoided, the support sheet is outwards unfolded under the support of the movable ring, the front end of the support sheet is fixed with the explosive cartridge, the rotating degree of the movable ring controls the unfolding degree of the support sheet, the support sheet is unfolded to abut against the inner wall of the explosion hole and plays a role in supporting and reinforcing the inner wall of the explosion hole, the outer layer of the support sheet is abutted to the inner wall of the explosion hole to enable the support sheet to be pressed to compress the spring, the positioning column is exposed out of the support sheet through the sleeve hole, the conical tail end of the positioning column is nailed into the inner wall of the explosion hole, positioning and reinforcing of the explosive cartridge are achieved, the situation that explosives deviate or even completely break away from a preset explosion point is avoided, and potential safety hazards are reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the cartridge of the present invention.

Fig. 3 is a schematic view of the movable ring of the present invention.

Fig. 4 is a sectional view of the support sheet of the present invention.

Wherein: 1. loading a medicine box; 2. a support sheet; 3. reinforcing the end socket; 4. a movable ring; 5. a top block; 6. an external thread; 7. a guide chute; 8. anti-skid lines; 9. a holding rod; 10. trepanning; 11. a spring; 12. a positioning column; 13. an internal thread.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

Referring to fig. 1 and 4, the present invention provides a directional blasting device for reinforcing space in a blasting hole, including a cartridge case 1, a plurality of support sheets 2 surrounding the outer side of the cartridge case 1, the end of each support sheet 2 being connected and fixed to the front end of the cartridge case 1, a movable ring 4 screwed to the tail end of the cartridge case 1, the end surface of the movable ring 4 facing the support sheets 2 being a slope, the support sheets 2 being designed with two layers and having springs 11 in the interlayer, a positioning post 12 fixed to the inner layer of the support sheets 2 and located inside the springs 11, a trepan 10 provided on the outer layer of the support sheets 2 opposite to the positioning post 12, the end of the positioning post 12 being a cone, the interlayer of the support sheets 2 being supported by the springs 11 to have enough space, the positioning post 12 being accommodated in the interlayer of the support sheets 2 to prevent the cone end from being exposed, thereby preventing the positioning post 12 having a cone end from causing scratch damage to the outside during transportation or storage of the device, the explosive cartridge 1 is filled with explosive charges and provided with an ignition detonator, then the explosive cartridge 1 is inserted into a blast hole and is installed in place, the movable ring 4 is rotated to lead the explosive cartridge to be screwed in relative to the explosive cartridge 1, the tail end of the support sheet 2 is lifted under the guidance of the slope surface of the movable ring 4, the support sheet 2 is outwards unfolded under the support of the movable ring 4, the front end of the support sheet 2 is fixed with the explosive cartridge 1, the screwing-in degree of the movable ring 4 controls the unfolding degree of the support sheet 2, the support sheet 2 is unfolded to abut against the inner wall of the blast hole to play a role in supporting and reinforcing the inner wall of the blast hole, the outer layer of the support sheet 2 abuts against the inner wall of the blast hole to be pressed to compress the spring 11, the positioning column 12 is exposed out of the support sheet 2 through the trepan 10, the conical tail end of the positioning column 12 is nailed into the inner wall of the blast hole to realize the positioning and reinforcing of the explosive cartridge 1, the explosive is prevented from deviating and even completely separating from the preset explosion point, and the potential safety hazard is reduced.

As shown in fig. 1 and 2, the utility model discloses a front end head connection of cartridge 1 is provided with strengthens head 3, and the appearance of strengthening head 3 is the toper, strengthens the head 3 with strengthen fixedly between backing sheet 2 and the cartridge 1.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses an anti-skidding line 8 has been seted up to the lateral surface of activity ring 4, and the lateral wall of activity ring 4 is connected and is provided with holding rod 9, and the end of holding rod 9 is spherical, and external screw thread 6 has been seted up to the lateral surface of cartridge case 1, and internal thread 13 has been seted up to the medial surface of activity ring 4, matches between internal thread 13 and the external screw thread 6 and closes soon.

As shown in fig. 1 and 2, the utility model discloses a movable ring 4 rotates towards the terminal surface of backing sheet 2 and connects and be provided with kicking block 5, and kicking block 5 is the slope towards the terminal surface of backing sheet 2, avoids movable ring 4 and backing sheet 2 to take place gradually and rotates frictional force.

As shown in fig. 1 and 2, the utility model discloses a direction spout 7 has been seted up corresponding to backing sheet 2 axial to the lateral surface of cartridge 1, and sliding connection has ejector pad 5 on direction spout 7, and ejector pad 5 is the slope towards the terminal surface in backing sheet 2, and ejector pad 5 keeps away from the butt between the terminal surface of backing sheet 2 and activity ring 4.

The utility model provides a pair of reinforced directional blasting device of blast hole space, the intermediate layer of backing sheet 2 is supported by spring 11 and is made it have enough space, reference column 12 is accomodate and is made its toper end not expose in the intermediate layer of backing sheet 2, it causes the damage to draw to the external world to avoid having the reference column 12 of toper end in device transportation or the storage process, cartridge case 1 is inside to be filled the explosive cartridge and is set up the detonator, then insert blasting hole and install cartridge case 1 and target in place, it makes it take place the screw thread precession for cartridge case 1 to rotate movable ring 4, 2 tail ends of backing sheet lift up under the guide of movable ring 4 slope, backing sheet 2 outwards expandes under movable ring 4's support, because 2 front ends of backing sheet and cartridge case 1 are fixed, so movable ring 4's precession degree control backing sheet 2's expansion degree, backing sheet 2 expandes thereby support the inner wall in blasting hole, support sheet 2 plays the support reinforcement effect to the blast hole inner wall, thereby outer layer of backing sheet 2 makes it receive the reinforcement oppression compression spring 11 with blasting hole inner wall butt, 12 exposes in 2 via trepanning hole, the toper end that backing sheet 12 has the reference column, the reference column inner wall of blasting hole has realized the deviation of the predetermined blasting and has reduced the explosive and has reduced the potential hazard itself completely, the safe point of blasting completely, the explosive cartridge case 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a reinforced (rfd) directional blasting device of blast hole inner space, includes cartridge case (1), its characterized in that: the lateral surface of dress cartridge case (1) encircles and is provided with a plurality of backing sheets (2), backing sheet (2) tip is connected fixedly with the front end of dress cartridge case (1), the tail end screw thread of dress cartridge case (1) closes soon and is provided with activity ring (4), activity ring (4) are the slope towards the terminal surface in backing sheet (2), backing sheet (2) design has two-layer and intermediate layer to be provided with spring (11), the inner layer of backing sheet (2) is located the internal connection of spring (11) and is fixed with reference column (12), trepanning (10) have been seted up for reference column (12) to the skin of backing sheet (2), the end of reference column (12) is the toper.

2. A directional blasting apparatus for spatial consolidation within a blast hole according to claim 1, wherein: the front end of the medicine loading barrel (1) is connected with a reinforcing seal head (3), the reinforcing seal head (3) is conical in shape, and the supporting piece (2) and the medicine loading barrel (1) are reinforced and fixed by the reinforcing seal head (3).

3. A directional blasting apparatus for spatial consolidation within a blast hole according to claim 1, wherein: anti-skidding line (8) have been seted up to the lateral surface of activity ring (4), the lateral wall of activity ring (4) is connected and is provided with holding rod (9), the end of holding rod (9) is spherical.

4. A directional blasting apparatus for spatial consolidation within a blast hole according to claim 1, wherein: the outer side surface of the medicine containing barrel (1) is provided with an external thread (6), the inner side surface of the movable ring (4) is provided with an internal thread (13), and the internal thread (13) is matched with the external thread (6) in a screwing mode.

5. A directional blasting apparatus for spatial consolidation within a blast hole according to claim 1, wherein: the end face, facing the support sheet (2), of the movable ring (4) is rotatably connected with an ejector block (5), and the end face, facing the support sheet (2), of the ejector block (5) is a slope face.

6. A directional blasting apparatus for spatial consolidation within a blast hole according to claim 1, wherein: the lateral surface of dress cartridge (1) has seted up direction spout (7) corresponding to backing sheet (2) axial, sliding connection has kicking block (5) on direction spout (7), kicking block (5) are the slope towards the terminal surface in backing sheet (2), butt between the terminal surface in backing sheet (2) and activity ring (4) is kept away from in kicking block (5).

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