Charging and hole sealing device for rock stratum deep hole presplitting blasting

Abstract

The utility model discloses an explosive charging and hole sealing device for rock stratum deep hole presplitting blasting, which relates to the technical field of presplitting hole blasting and comprises a stress rope and a plurality of emulsion explosives. A detonating cord and an adhesive tape I are arranged on the emulsion explosive, and the adhesive tape I is connected with the stress rope; the emulsion explosive extends into the pre-splitting hole, and stemming is arranged at the top of the pre-splitting hole; supporting and reinforcing assemblies are evenly arranged on the stress ropes, the bottoms of the emulsion explosives can be supported through the supporting and reinforcing assemblies, and the situation that the emulsion explosives are prone to disengagement after the large-diameter emulsion explosives are put into the pre-splitting holes due to the fact that the gravity of the emulsion explosives is only supported through a first adhesive tape is avoided; therefore, the problem that the emulsion explosives are stacked together after falling down is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to precrack hole blasting technique field, specifically is a kind of rock stratum deep hole precrack blasting's charge hole sealing device. BACKGROUND

[0002] Pre-splitting blasting technique is a kind of slope control blasting. Mainly, along the slope line according to the designed slope height, slope, dense blast hole is arranged in excavation boundary, and not coupled charge or filling low-power explosive is used, and a certain width of through crack is formed between blasting and reserved area before main blasting area blasting, to weaken the damage of main blasting to reserved rock mass, and form the contour surface blasting operation.

[0003] Currently, when charging and sealing pre-splitting hole, emulsion explosive is generally bound on stress rope by adhesive tape, but the applicant finds that the stability of large-diameter emulsion explosive is not strong by adhesive tape only, so that after large-diameter emulsion explosive is put into pre-splitting hole, emulsion explosive is prone to separate, so that emulsion explosive is accumulated together after falling down, which is difficult to take out and rebind, therefore, we provide a kind of rock stratum deep hole precrack blasting's charge hole sealing device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of rock stratum deep hole precrack blasting's charge hole sealing device to solve the problems raised in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rock stratum deep hole precrack blasting's charge hole sealing device, including, stress rope and multiple emulsion explosives;

[0006] The emulsion explosive is provided with detonating cord and adhesive tape one, and the adhesive tape one is connected with the stress rope;

[0007] The emulsion explosive extends into pre-splitting hole, and the top of the pre-splitting hole is provided with stemming;

[0008] The stress rope is uniformly provided with support reinforcement assembly, and the support reinforcement assembly is in contact with the bottom of emulsion explosive.

[0009] As a preferred scheme of the utility model, the support reinforcement assembly includes a support disc in contact with the bottom of emulsion explosive, the bottom of the support disc is slidingly connected to a slide rail, and a connecting rod is arranged on the slide rail.

[0010] As a preferred scheme of the utility model, a sliding block integrally formed with the bottom of the support disc is slidingly connected in the slide rail.

[0011] As a preferred rock stratum deep hole pre-splitting blasting of the utility model discloses a kind of charging hole sealing device, wherein: the connecting rod is provided with adhesive tape two on stress rope.

[0012] As a preferred rock stratum deep hole pre-splitting blasting of the utility model discloses a kind of charging hole sealing device, wherein: the sliding rail is traversely penetrated with screw rod on the side away from stress rope.

[0013] As a preferred rock stratum deep hole pre-splitting blasting of the utility model discloses a kind of charging hole sealing device, wherein: the screw rod is connected with sliding block by bearing.

[0014] As a preferred rock stratum deep hole pre-splitting blasting of the utility model discloses a kind of charging hole sealing device, wherein: the screw rod is provided with hand wheel on the side away from stress rope.

[0015] Compared with prior art, the utility model has the beneficial effects that:

[0016] 1, by setting up support reinforcement component, can support the bottom of emulsion explosive, avoid the gravity of emulsion explosive only through adhesive tape one support, cause large diameter emulsion explosive to be placed in pre-splitting hole, prone to emulsion explosive separation condition, to cause emulsion explosive to drop down and all be accumulated together Problem;

[0017] 2, by setting up sliding rail, screw rod and hand wheel, so that support disc can adjust the distance between stress rope, so that the bottom of emulsion explosive of different diameters can be aligned and supported, improve support effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic view of the utility model rock stratum deep hole pre-splitting blasting of charging hole sealing device.

[0019] Fig. 2 It is the local structure schematic view of the utility model rock stratum deep hole pre-splitting blasting of charging hole sealing device.

[0020] Fig. 3 It is the support reinforcement component structure schematic view of the utility model rock stratum deep hole pre-splitting blasting of charging hole sealing device.

[0021] In the drawing: 1, stress rope;2, emulsion explosive;3, detonating cord;4, pre-splitting hole;5, adhesive tape one;6, stemming;7, support disc;8, sliding rail;9, connecting rod;10, adhesive tape two;11, screw rod;12, hand wheel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0023] As mentioned in the background, in the prior art, the stability of large-diameter emulsion explosive is not strong only by fixing the emulsion explosive with adhesive tape. The present utility model provides a charging and hole sealing device for rock stratum deep hole pre-splitting blasting.

[0024] Embodiment 1

[0025] With reference to Figs. 1-3 The charging and hole sealing device for rock stratum deep hole pre-splitting blasting comprises a stress rope 1 and a plurality of emulsion explosives 2.

[0026] The emulsion explosive 2 is provided with a detonating cord 3 and an adhesive tape 1, and the adhesive tape 1 is connected with the stress rope 1.

[0027] The emulsion explosive 2 extends into a pre-splitting hole 4, and the top of the pre-splitting hole 4 is provided with a stemming 6 for sealing the hole.

[0028] The stress rope 1 is uniformly provided with a support and reinforcement assembly, and the support and reinforcement assembly is in contact with the bottom of the emulsion explosive 2.

[0029] The support and reinforcement assembly can support the bottom of the emulsion explosive 2, so as to avoid that the gravity of the emulsion explosive 2 is only supported by the adhesive tape 1, and the large-diameter emulsion explosive 2 is prone to being separated from the pre-splitting hole after being put into the pre-splitting hole, thereby causing the problem that the emulsion explosives 2 are all stacked together after falling down.

[0030] The support and reinforcement assembly comprises a support disc 7 in contact with the bottom of the emulsion explosive 2, the bottom of the support disc 7 is slidingly connected to a sliding rail 8, the sliding rail 8 is provided with a connecting rod 9, and the support disc 7 can move on the sliding rail 8 to adjust the distance between the support disc 7 and the stress rope 1, so as to orthogonally support the bottom of the emulsion explosive 2 of different diameters and improve the support effect.

[0031] In order to improve the stability of sliding, a sliding block integrally formed with the bottom of the support disc 7 is slidingly connected in the sliding rail 8.

[0032] In order to fix the connecting rod 9, an adhesive tape 10 is arranged on the connecting rod 9 and adhered to the stress rope 1, so as to fix the support and reinforcement assembly.

[0033] The sliding rail 8 is transversely penetrated by a screw rod 11 away from the force receiving rope 1, wherein the screw rod 11 is connected with the sliding block through a bearing, so that the screw rod 11 is rotated to move transversely on the sliding rail 8, and then the sliding block is moved transversely to drive the support disc 7 to move transversely.

[0034] Embodiment 2

[0035] With reference to Figs. 1-3 In order to facilitate the rotation of the screw rod 11, a hand wheel 12 is arranged on the side of the screw rod 11 away from the force receiving rope 1.

[0036] The remaining structures are the same as those in Embodiment 1.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A charging and sealing device for deep-hole pre-splitting blasting in rock strata, characterized in that: include, A tension rope (1) and multiple emulsion explosives (2); The emulsion explosive (2) is provided with a detonating cord (3) and a first tape (5), and the first tape (5) is connected to the tension rope (1); The emulsion explosive (2) extends into the pre-splitting hole (4), and the top of the pre-splitting hole (4) is provided with gunning mud (6); The force rope (1) is uniformly provided with support and reinforcement components, and the support and reinforcement components are in contact with the bottom of the emulsion explosive (2).

2. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 1, characterized in that: The support and reinforcement assembly includes a support plate (7) that contacts the bottom of the emulsion explosive (2), the bottom of the support plate (7) being slidably connected to a slide rail (8), and a connecting rod (9) being provided on the slide rail (8).

3. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 2, characterized in that: The slide rail (8) is slidably connected to a slider integrally formed with the bottom of the support plate (7).

4. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 2, characterized in that: The connecting rod (9) is provided with a second (10) of adhesive tape that is bonded to the tension rope (1).

5. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 3, characterized in that: A screw (11) runs horizontally through the side of the slide rail (8) away from the force rope (1).

6. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 5, characterized in that: The screw (11) is connected to the slider via a bearing.

7. The charging and sealing device for deep-hole pre-splitting blasting of rock strata according to claim 5, characterized in that: A handwheel (12) is provided on the side of the screw (11) away from the force rope (1).

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