Auxiliary tubular explosive positioning blasting structure for rock stratum blasting
By designing an auxiliary tubular explosive positioning structure and utilizing the clamping mechanism and the energy-concentrating effect of the shaped charge tube, the problem of poor explosive stability was solved, achieving efficient and precise rock blasting results.
Patent Information
- Application Number
- CN202520005563.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing rock blasting methods, tubular explosives have poor stability and are prone to flying out, which affects the blasting effect.
An auxiliary tubular explosive positioning structure was designed, including a shaped charge tube, a front conical positioning cap, and a rear positioning plug. The explosive is fixed inside the shaped charge tube by a clamping mechanism, and the two ends of the shaped charge tube are quickly plugged by the insertion hole and fixing components. Combined with the shaped charge tube's energy-concentrating effect, the energy is concentrated and the direction of the crack is precisely controlled.
It improves the stability of explosives, ensures concentrated energy release during blasting, increases the number of fissures and precisely controls the direction of fissure extension, thus achieving efficient rock strata breaking.
Smart Images
Figure CN223678335U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to auxiliary tubular explosive positioning technical field, concretely is a kind of auxiliary tubular explosive positioning blasting structure for rock stratum blasting. BACKGROUND
[0002] As an economic, efficient rock mass excavation means, drilling and blasting has been widely used in various foundation engineering construction and mineral resources exploitation. With the continuous development of drilling equipment and transportation tools, the superiority of high production efficiency, low cost and easy to adopt comprehensive mechanized construction of blasting excavation gradually attracts people's attention. Most of the rock stratum blasting now uses tubular explosive to blast, and before blasting, the blast hole needs to be drilled, and then the tubular explosive is placed in the blast hole. However, most of the existing tubular explosives are directly placed in the blast hole, which has poor stability and is easy to fly out during blasting, affecting the blasting effect. Therefore, we propose a kind of auxiliary tubular explosive positioning blasting structure for rock stratum blasting. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a kind of auxiliary tubular explosive positioning blasting structure for rock stratum blasting to solve the problems raised in the above background.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of auxiliary tubular explosive positioning blasting structure for rock stratum blasting, including energy-gathering pipe, the front and back sides of the outer side wall of the energy-gathering pipe are both provided with insertion hole, the two ends of the energy-gathering pipe are respectively provided with front conical fixed cap and rear fixed cap, the inside of the front conical fixed cap and rear fixed cap is both provided with cavity, the inside of the cavity is equipped with fixed component, the inside of the energy-gathering pipe is equipped with clamping mechanism.
[0005] Further, the fixed component includes two groups of sliding plates slidably connected in the cavity, the opposite side walls of the two groups of sliding plates are connected with second springs, the side walls of the two groups of sliding plates away from each other are both provided with insertion rod, one end of the two groups of insertion rods is respectively inserted into the matching insertion holes of the front and back side walls in the cavity, and the outer walls of the two groups of insertion rods are both sleeved with first springs.
[0006] Further, the left and right side walls of the cavity are both provided with guide grooves, and the left and right side walls of the two groups of sliding plates are both provided with guide blocks matched with the guide grooves.
[0007] Further, one end of the insertion rod outside the cavity is arranged in an inclined manner.
[0008] Further, the clamping mechanism includes two groups of clamping plates provided in the energy-gathering pipe, the side walls of the two groups of clamping plates away from each other are both provided with lead screws, one end of the two groups of lead screws is respectively connected with rotating plates provided outside the inner side wall of the energy-gathering pipe, the side walls of the two groups of clamping plates away from each other are both provided with sliding rods, and one end of the two groups of sliding rods is respectively inserted into the inner side wall of the energy-gathering pipe and extended to the outside.
[0009] Further, the inside wall of the clamping plate is provided with a clamping groove in the shape of an isosceles trapezoid.
[0010] Compared with the prior art, the utility model has the advantages that: the utility model utilizes the clamping mechanism to clamp and fix the tubular explosive in the shaped charge tube, then utilizes the jack and the fixing assembly to quickly plug the front conical fixed cap and the rear fixed plug at two ends of the shaped charge tube, then inserts the shaped charge tube into the blast hole, and the stability is good; when blasting, the umbrella-shaped tip of the front conical fixed cap guides the energy concentration release, the shaped charge tube is used to increase the number of fissures and accurately control the extension direction of the dominant fissure, and high-efficiency tunneling and accurate rock stratum breaking are realized. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a structural schematic view of the utility model;
[0012] Fig. 2 It is a right view of the internal structure of the shaped charge tube of the utility model;
[0013] Fig. 3 It is a plan view of the internal structure of the cavity of the utility model.
[0014] In the drawing: 1, shaped charge tube; 2, jack; 3, front conical fixed cap; 4, rear fixed plug; 5, fixing assembly; 50, inserting rod; 51, first spring; 52, sliding plate; 53, second spring; 6, clamping mechanism; 60, clamping plate; 61, sliding rod; 62, rotating plate; 63, screw rod; 7, cavity. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0016] Embodiment 1:
[0017] Please refer to Figs. 1-3 The utility model provides a kind of technical solutions: a kind of rock stratum blasting auxiliary tubular explosive positioning blasting structure, including shaped charge tube 1, jack 2 is set to the front and rear of the outside wall of shaped charge tube 1, shaped charge tube 1 two ends are respectively provided with front conical fixed cap 3 and rear fixed plug 4, front conical fixed cap 3 and rear fixed plug 4 are all provided with cavity 7 inside, fixed assembly 5 is arranged in cavity 7, and clamping mechanism 6 is arranged in shaped charge tube 1.
[0018] Please refer to Fig. 3The fixed assembly 5 comprises two groups of sliding plates 52 connected in sliding mode in the cavity 7, the left and right side walls of the cavity 7 are provided with guide grooves, the left and right side walls of the two groups of sliding plates 52 are provided with guide blocks matched with the guide grooves, the sliding plates 52 move more stably in the cavity 7 under the action of the guide grooves and the guide blocks, the opposite side walls of the two groups of sliding plates 52 are connected with the second springs 53, the side walls away from each other of the two groups of sliding plates 52 are provided with the insertion rods 50, one end of the two groups of insertion rods 50 respectively penetrates through the matching insertion holes 2 in the front and rear side walls of the cavity 7, the outer walls of the two groups of insertion rods 50 are sleeved with the first springs 51, and one end of the insertion rod 50 located outside the cavity 7 is provided in an inclined mode, so that the insertion rod 50 can enter the cavity 7 by extruding the side wall of the shaped charge tube 1, then the insertion rod 50 is inserted into the insertion hole 2 by using the first spring 51 and the second spring 53, and the fixing of the conical fixed cap 3 and the rear fixed plug 4 is realized.
[0019] Please refer to Fig. 2 The clamping mechanism 6 comprises two groups of clamping plates 60 provided in the shaped charge tube 1, the side walls away from each other of the two groups of clamping plates 60 are provided with lead screws 63, one end of the two groups of lead screws 63 is connected with a rotating plate 62 provided outside the inner side wall of the shaped charge tube 1, the side walls away from each other of the two groups of clamping plates 60 are provided with sliding rods 61, one end of the two groups of sliding rods 61 penetrates through the inner side wall of the shaped charge tube 1 and extends to the outside, the inner side wall of the clamping plate 60 is provided with a clamping groove, and the clamping groove is provided in an isosceles trapezoidal mode, so as to cope with the pipe-shaped explosives of different thicknesses.
[0020] Working principle: the pipe-shaped explosive is placed into the shaped charge tube 1, then the staff rotates the rotating plate 62 to drive the lead screw 63 to rotate, the lead screw 63 drives the clamping plate 61 to clamp and fix the pipe-shaped explosive under the action of the sliding rod 60, then the conical fixed cap 3 and the rear fixed plug 4 are extruded into two ends of the shaped charge tube 1, so that the inclined surface of the insertion rod 50 drives the sliding plate 52 to extrude the second spring 534 by extruding the side wall of the shaped charge tube 1, so that the insertion rod 50 can move into the cavity 7, when the conical fixed cap 3 and the rear fixed plug 4 completely enter the shaped charge tube 1, the insertion rod 50 is inserted into the insertion hole 2 under the action of the elasticity of the first spring 51 and the second spring 53, the fixing of the conical fixed cap 3 and the rear fixed plug 4 is realized, and then the shaped charge tube 1 is inserted into the blast hole for blasting
[0021] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An auxiliary tubular explosive positioning blasting structure for rock stratum blasting, comprising a shaped charge tube (1), characterized in that: The energy -gathering tube (1) outer side wall both sides are provided with jack (2), the energy -gathering tube (1) both ends are respectively provided with front conical fixed cap (3) and rear fixed cap (4), the front conical fixed cap (3) and rear fixed cap (4) inside are provided with cavity (7), the cavity (7) is equipped with fixed assembly (5), the energy -gathering tube (1) is equipped with clamping mechanism (6) inside.
2. The auxiliary tubular explosive stemming structure for rock blasting according to claim 1, characterized in that: The fixed assembly (5) includes two groups of sliding plates (52) that are slidably connected in the cavity (7), two groups of the sliding plates (52) are connected with second springs (53) on opposite side walls, two groups of the sliding plates (52) are both provided with insertion rods (50) on the side walls away from each other, one end of two groups of the insertion rods (50) respectively penetrates the matching holes (2) on the front and rear side walls in the cavity (7), and the first springs (51) are sleeved on the outer walls of two groups of the insertion rods (50).
3. A tubular booster blasting structure for use in rock blasting according to claim 2, characterized in that: The cavity (7) is provided with guide grooves on the left and right side walls, and the left and right side walls of the two groups of sliding plates (52) are provided with guide blocks matched with the guide grooves.
4. The auxiliary tubular explosive stemming structure for rock blasting according to claim 2, characterized in that: One end of the insertion rod (50) located outside the cavity (7) is arranged in an inclined manner.
5. The auxiliary tubular explosive stemming structure for rock blasting according to claim 1, characterized in that: The clamping mechanism (6) includes two groups of clamping plates (60) provided in the energy -gathering tube (1), two groups of the clamping plates (60) are both provided with lead screws (63) on the side walls away from each other, one end of two groups of the lead screws (63) is respectively connected with the rotating plate (62) provided on the inner and outer side walls of the energy -gathering tube (1), two groups of the clamping plates (60) are both provided with sliding rods (61) on the side walls away from each other, and one end of two groups of the sliding rods (61) respectively penetrates the inner side wall of the energy -gathering tube (1) and extends to the outside.
6. An auxiliary tubular explosive stemming structure for use in rock blasting according to claim 5, characterized in that: The inner side wall of the clamping plate (60) is provided with a clamping groove, and the clamping groove is arranged in an isosceles trapezoidal shape.