Connecting piece and directional blasting energy gathering pipe

Abstract

The utility model relates to the technical field of engineering blasting, in particular to a connecting piece and a directional blasting energy-gathered pipe, the connecting piece comprises a bottom energy-gathered pipe and a top energy-gathered pipe, sealing assemblies are arranged at external ports of the bottom energy-gathered pipe and the top energy-gathered pipe, each sealing assembly comprises a lantern ring, a sealing plate is fixedly installed on the side surface of each lantern ring, and a clamping block is fixedly installed on the inner wall of each lantern ring; mounting grooves are formed in the outer walls of the bottom energy-gathering pipe and the top energy-gathering pipe, mounting parts are fixedly mounted on the inner walls of the bottom energy-gathering pipe and the top energy-gathering pipe, cavities are formed in the inner surfaces of the mounting parts, springs are fixedly connected to the bottom ends of the cavities, compression plates are connected to the ends, close to the mounting grooves, of the springs, and locking blocks are fixedly mounted on the upper surfaces of the compression plates; the sealing device has the beneficial effects that tight connection of the sealing assembly is maintained, gaps caused by vibration, impact or other external force are prevented, sealing can be conducted at the moment of explosion, the original state of the sealing device is kept, the quality and direction of jet flow are optimized, and the target damage efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of engineering blasting, and specifically relates to a connecting piece and directional blasting energy-gathering pipe. BACKGROUND

[0002] The blasting energy-gathering pipe is filled with explosives, and is mainly applied to the construction and mining of national railways, highways and subway projects.

[0003] The existing directional blasting energy-gathering pipe is provided with a conical or V-shaped groove inside the energy-gathering pipe, so as to guide the gas and fragments generated by explosion to be sprayed at high speed in one direction. The existing energy-gathering pipe connecting assembly can be used to connect multiple energy-gathering pipes according to the depth requirement, is convenient to use, and has high practicability.

[0004] However, the traditional energy-gathering pipe sealing assembly usually adopts a bolt structure or a clamping groove structure, which is relatively cumbersome to use and is prone to falling off. INNOVATION CONTENT

[0005] The utility model aims at providing a connecting piece and directional blasting energy-gathering pipe to solve the problem that the traditional energy-gathering pipe sealing assembly usually adopts a bolt structure or a clamping groove structure, which is relatively cumbersome to use and is prone to falling off.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting piece and directional blasting energy-gathering pipe, comprising:

[0007] The bottom energy-gathering pipe and the top energy-gathering pipe are provided with a connecting assembly at the inner port, and are provided with a sealing assembly at the outer port. The sealing assembly comprises: a sleeve ring, a sealing plate is fixedly installed on the side surface of the sleeve ring, a clamping block is fixedly installed on the inner wall of the sleeve ring, and an installation groove is formed in the outer wall of the bottom energy-gathering pipe and the top energy-gathering pipe.

[0008] An installation piece is fixedly installed on the inner wall of the bottom energy-gathering pipe and the top energy-gathering pipe, the inner surface of the installation piece is provided with a cavity, one end of the spring close to the installation groove is connected with a compression plate, and the upper surface of the compression plate is fixedly installed with a lock block.

[0009] Preferably, the contact surface of the clamping block and the lock block is set as a trapezoidal shape, and the clamping block is clamped with the installation groove.

[0010] Preferably, a sliding groove is arranged on the top of the two sides of the bottom energy-gathering pipe, a reverse buckle is arranged on the bottom of the two sides of the top energy-gathering pipe, and the top energy-gathering pipe is slidingly installed in the sliding groove through the reverse buckle.

[0011] Preferably, an energy-gathering groove is arranged on the inner side wall of the two sides of the bottom energy-gathering pipe, and the energy-gathering groove is set as a concave structure.

[0012] Preferably, the connecting assembly comprises: a shaped charge pipe joint, the two ends of the shaped charge pipe joint are provided with first grooves, and the shaped charge pipe joint is connected with the bottom shaped charge pipe by upper and lower plug-in connection.

[0013] Preferably, the middle part of the shaped charge pipe joint is provided with a cylindrical blocking hole, and the cylindrical blocking hole blocks the upper and lower ends of the bottom shaped charge pipe and the top shaped charge pipe.

[0014] Preferably, the two side walls of the shaped charge pipe joint are provided with second grooves, and the inner surfaces of the second grooves are provided with steel anti-skid claws.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses a connecting piece and directional blasting shaped charge pipe.

[0017] When the shaped charge pipe is sealed at one end after installing the explosive, the sleeve ring is sleeved on the outer surface port of the bottom shaped charge pipe and the top shaped charge pipe, the clamping block fixedly installed in the inner wall of the sleeve ring is clamped with the installation groove opened in the outer wall of the shaped charge pipe, in the clamping process, the clamping block contacts the lock block, the contact surfaces of the clamping block and the lock block are all trapezoidal structures, the compression plate below the lock block is extruded to extrude the spring in the cavity, the lock block is retracted into the cavity, when the clamping block is completely clamped with the installation groove, the compression plate drives the lock block to reset due to the resilience of the spring, the clamping block is limited, the sealing plate can seal the port of the shaped charge pipe, so that the tight connection of the sealing assembly is maintained, the gap caused by vibration, impact or other external force is prevented, the original state of the sealing is maintained at the moment of explosion, so that the quality and direction of the jet flow are optimized, and the damage efficiency on the target is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the shaped charge pipe explosion exploded view of the utility model;

[0020] Figure 3 It is the bottom shaped charge pipe installation structure schematic diagram of the utility model;

[0021] Figure 4 It is the sealing assembly structure schematic diagram of the utility model;

[0022] Figure 5 It is the Figure 4 It is the enlarged view of middle A of the utility model;

[0023] Figure 6 It is the shaped charge pipe partial structure schematic diagram of the utility model;

[0024] Figure 7 The connecting assembly structure schematic view of the utility model;

[0025] Figure 8 The anti-skid back claw mounting structure schematic view of the utility model;

[0026] Figure 9 The sleeve ring internal structure schematic view of the utility model.

[0027] In the figure: 1, bottom energy-gathering pipe; 2, top energy-gathering pipe; 3, chute; 4, back-off; 5, energy-gathering groove; 6, mounting groove; 7, energy-gathering pipe joint; 8, first recess; 9, cylindrical barrier hole; 10, steel anti-skid back claw; 11, second recess; 12, sealing plate; 13, clamping block; 14, mounting piece; 15, cavity; 16, spring; 17, compression plate; 18, locking block; 19, sleeve ring. DETAILED DESCRIPTION

[0028] 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.

[0029] Please refer to Figures 1 to 9 The utility model provides a kind of technical scheme: a connecting piece and directional blasting energy-gathering pipe;

[0030] Embodiment one:

[0031] In order to realize the installation of the explosive to the end of the shaped charge tube, the end of the shaped charge tube is sealed, so as to optimize the quality and direction of the jet, and improve the damage efficiency to the target, the bottom shaped charge tube 1 and the outer port of the top shaped charge tube 2 are provided with a sealing assembly, the sealing assembly comprises: a sleeve ring 19, the side surface of the sleeve ring 19 is fixedly installed with a sealing plate 12, the inner wall of the sleeve ring 19 is fixedly installed with a clamping block 13, the outer wall of the bottom shaped charge tube 1 and the top shaped charge tube 2 is provided with a mounting groove 6, the inner wall of the bottom shaped charge tube 1 and the top shaped charge tube 2 is fixedly installed with a mounting piece 14, the inner surface of the mounting piece 14 is provided with a cavity 15, the bottom end of the cavity 15 is fixedly connected with a spring 16, one end of the spring 16 close to the mounting groove 6 is connected with a compression plate 17, the upper surface of the compression plate 17 is fixedly installed with a lock block 18, the contact surface of the clamping block 13 and the lock block 18 is provided in a trapezoidal shape, the clamping block 13 is clamped with the mounting groove 6, by sleeving the sleeve ring 19 on the outer surface port of the bottom shaped charge tube 1 and the top shaped charge tube 2, the clamping block 13 fixedly installed on the inner wall of the sleeve ring 19 is clamped with the mounting groove 6 provided on the outer wall of the shaped charge tube, in the clamping process, the clamping block 13 is in contact with the lock block 18, the contact surface of the clamping block 13 and the lock block 18 is trapezoidal structure, driving the compression plate 17 below the lock block 18 to extrude the spring 16 in the cavity 15, making the lock block 18 retract into the cavity 15, when the clamping block 13 is completely clamped with the mounting groove 6, due to the resilience of the spring 16, the compression plate 17 drives the lock block 18 to reset, limiting the clamping block 13, the sealing plate 12 can seal the port of the shaped charge tube, so as to maintain the tight connection of the sealing assembly, prevent the gap from appearing due to vibration, impact or other external force, can seal the original state at the moment of explosion, so as to optimize the quality and direction of the jet, and improve the damage efficiency to the target.

[0032] Example two:

[0033] On the basis of example one, in order to realize the convenient disassembly and installation of the bottom shaped charge tube 1 and the top shaped charge tube 2, make the charge simple, improve the work efficiency, the top of the two sides of the bottom shaped charge tube 1 is provided with a sliding groove 3, the bottom of the two sides of the top shaped charge tube 2 is provided with an inverted buckle 4, the top shaped charge tube 2 is slidably installed in the sliding groove 3 through the inverted buckle 4, the inner side wall of the two sides of the bottom shaped charge tube 1 is provided with a shaped charge groove 5, the shaped charge groove 5 is provided in a concave structure, a shaped charge connector 7, the two ends of the shaped charge connector 7 are provided with a first groove 8, the shaped charge connector 7 is connected with the bottom shaped charge tube 1 by upper and lower plug-in connection, the middle part of the shaped charge connector 7 is provided with a cylindrical barrier hole 9, and the cylindrical barrier hole 9 blocks the upper and lower ends of the bottom shaped charge tube 1 and the top shaped charge tube 2, so as to make the charge simple and improve the work efficiency.

[0034] Working principle: in order to realize the installation good explosive one end of the shaped charge tube is sealed, to optimize the quality and direction of jet, improve the damage efficiency to the target, through the sleeve 19 is sleeved on the outer surface port of the bottom shaped charge tube 1 and the top shaped charge tube 2, through the clamping block 13 fixedly installed in the inner wall of the sleeve 19 and the installation groove 6 opened in the outer wall of the shaped charge tube are clamped, in the clamping process, the clamping block 13 is in contact with the lock block 18, through the contact surface of the clamping block 13 and the lock block 18 is trapezoidal structure, drive the compression plate 17 below the lock block 18 extrude the spring 16 in the cavity 15, make the lock block 18 retract into the cavity 15, when the clamping block 13 is completely clamped with the installation groove 6, because of the resilience of the spring 16, make the compression plate 17 drive the lock block 18 reset, limit the clamping block 13, the sealing plate 12 can seal the port of the shaped charge tube, so as to maintain the close connection of the sealing assembly, prevent the gap from appearing due to vibration, impact or other external force, can seal at the moment of explosion and keep its original state, so as to optimize the quality and direction of jet, improve the damage efficiency to the target.

[0035] 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, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A coupling and shaped charge tube for directional blasting, characterised in that: The utility model relates to a double-layered shaped charge device, which comprises a bottom shaped charge tube (1) and a top shaped charge tube (2), the inner ports of the bottom shaped charge tube (1) and the top shaped charge tube (2) are provided with a connecting assembly, the outer ports of the bottom shaped charge tube (1) and the top shaped charge tube (2) are provided with a sealing assembly, the sealing assembly comprises a sleeve ring (19), the side surface of the sleeve ring (19) is fixedly installed with a sealing plate (12), the inner wall of the sleeve ring (19) is fixedly installed with a clamping block (13), the outer wall of the bottom shaped charge tube (1) and the top shaped charge tube (2) is provided with a mounting groove (6). The inner wall of the bottom shaped charge tube (1) and the top shaped charge tube (2) is fixedly installed with a mounting piece (14), the inner surface of the mounting piece (14) is provided with a cavity (15), the bottom end of the cavity (15) is fixedly connected with a spring (16), one end of the spring (16) close to the mounting groove (6) is connected with a compression plate (17), the upper surface of the compression plate (17) is fixedly installed with a locking block (18). The contact surfaces of the clamping block (13) and the locking block (18) are set as trapezoidal, the clamping block (13) is clamped with the mounting groove (6).

2. The connecting piece and directional blasting shaped charge tube according to claim 1, characterized in that: The top of the two sides of the bottom shaped charge tube (1) is provided with a sliding groove (3), the bottom of the two sides of the top shaped charge tube (2) is provided with a reverse buckle (4), the top shaped charge tube (2) is slidably installed in the sliding groove (3) through the reverse buckle (4).

3. The connecting piece and directional blasting shaped charge tube according to claim 1, characterized in that: The inner side walls of the two sides of the bottom shaped charge tube (1) are provided with a shaped charge groove (5), the shaped charge groove (5) is set as a concave structure.

4. The connecting piece and directional blasting shaped charge tube according to claim 1, characterized in that: The connecting assembly comprises a shaped charge tube joint (7), the two ends of the shaped charge tube joint (7) are provided with a first groove (8), the shaped charge tube joint (7) is connected with the bottom shaped charge tube (1) through up-down plug-in connection.

5. The connecting piece and directional blasting shaped charge tube according to claim 1, characterized in that: The middle part of the shaped charge tube joint (7) is provided with a cylindrical barrier hole (9), and the cylindrical barrier hole (9) blocks the upper and lower ends of the bottom shaped charge tube (1) and the top shaped charge tube (2).

6. A connecting piece and directional blasting shaped charge according to claim 5, characterized in that: The two side walls of the shaped charge tube joint (7) are provided with a second groove (11), the inner surface of the second groove (11) is provided with a steel anti-skid reverse claw (10).

7. The coupling and shaped charge according to claim 5, wherein: ​

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