CN218884796U - Bidirectional energy-gathering pipe - Google Patents

Abstract

The application discloses a bidirectional energy gathering pipe, which comprises a first energy gathering half pipe and a second energy gathering half pipe, wherein the axial sections of the first energy gathering half pipe and the second energy gathering half pipe are both in a major arc shape, an opening of the first energy gathering half pipe is positioned in the second energy gathering half pipe, and the first energy gathering half pipe slides clockwise/anticlockwise in the second energy gathering half pipe along the circumferential direction of the first energy gathering half pipe; the pipe walls of the first energy gathering half pipe and the second energy gathering half pipe are uniformly provided with a plurality of blast holes; the pipe wall of the first energy gathering half pipe and the second energy gathering half pipe is evenly provided with a plurality of blast holes along the axial direction, and the blast holes are located in the middle of the first energy gathering half pipe and the second energy gathering half pipe along the circumferential direction. The utility model discloses a two rows of changes that can hole relative position, blasting energy release direction line can be with blasting order line radian phase-match in the energy tube that makes, and the broken rock effect is reinforceed to the availability factor of reinforcing blasting energy.

Description

Bidirectional energy-gathering pipe

Technical Field

The application relates to a bidirectional energy gathering pipe, and belongs to the field of engineering blasting.

Background

In tunnel construction, the rock mass is usually excavated by adopting an explosion means, and the energy-collecting pipe can concentrate explosion energy so that the rock mass explodes along an explosion contour line.

At present, two rows of energy-gathering holes are arranged on the surface of a pipe body in 180 degrees by adopting an energy-gathering hole blasting energy-gathering pipe, for example, a directional blasting energy-gathering pipe device is disclosed in the publication number CN 207180505U, and the device specifically comprises the following components: the side wall of each section of energy-accumulating pipe is longitudinally and symmetrically provided with energy-accumulating grooves, and a pre-cracking surface is formed by utilizing the guiding effect of the energy-accumulating grooves on the energy-accumulating pipes on the explosive detonation stress during blasting to realize the photoblasting effect; however, the positions of the energy collecting grooves are relatively fixed, the angles of the two rows of energy collecting grooves cannot be freely adjusted, and the energy emission of the strip-shaped energy collecting grooves is relatively weak. When the blasting connecting line of the tunnel face is an arc-shaped section, energy released by blasting of the energy-accumulating pipes is released linearly along the two rows of energy-accumulating grooves, and the energy-releasing connecting line in each energy-accumulating pipe is difficult to match with the radian of the blasting connecting line, so that the formation of cracks among blast holes is influenced, and the rock breaking effect is influenced.

SUMMERY OF THE UTILITY MODEL

According to one aspect of the application, the bidirectional energy-gathering pipe is provided, and the relative positions of two rows of energy-gathering holes are changed on the energy-gathering pipe, so that the blasting energy release direction connecting line in the energy-gathering pipe can be matched with the blasting sequence connecting line radian, the use efficiency of blasting energy is enhanced, and the rock breaking effect is enhanced.

A bidirectional energy gathering pipe comprises a first energy gathering half pipe and a second energy gathering half pipe, wherein the axial sections of the first energy gathering half pipe and the second energy gathering half pipe are preferably arc-shaped, an opening of the first energy gathering half pipe is positioned in the second energy gathering half pipe, and the first energy gathering half pipe slides clockwise/anticlockwise in the second energy gathering half pipe along the circumferential direction of the first energy gathering half pipe;

and a plurality of blast holes are uniformly distributed on the pipe walls of the first energy gathering half pipe and the second energy gathering half pipe.

Furthermore, a plurality of blast holes are uniformly distributed on the tube walls of the first energy gathering half tube and the second energy gathering half tube along the axial direction, and the blast holes are located in the middle of the first energy gathering half tube and the second energy gathering half tube along the circumferential direction.

Furthermore, sliding grooves are formed in the inner sides, close to the two ends, of the second energy accumulating half pipe and are arranged along the circumferential direction of the second energy accumulating half pipe;

the outer wall of the first energy-gathering half pipe is provided with a sliding tongue matched with the sliding groove, and the position of the sliding tongue is matched with the sliding groove.

Further, the bidirectional energy gathering pipe also comprises a fixing device arranged on the outer wall of the second energy gathering half pipe;

the fixing device comprises a positioning cylinder, a spring is installed in the positioning cylinder, two ends of the positioning cylinder are respectively connected with a positioning bottom plate and a positioning cover plate, and the positioning bottom plate is fixed on the outer wall of the second energy concentrating half pipe.

Further, the area of the first energy collecting half pipe positioned outside the opening of the second energy collecting half pipe accounts for 1/3 of the total area of the first energy collecting half pipe.

Further, the first energy-gathering half pipe and the second energy-gathering half pipe are both PVC pipes.

Further, the inner diameter of the first energy-gathering half pipe is 32-36cm, the inner diameter of the second energy-gathering half pipe is 36-40cm, and the pipe thickness of the first energy-gathering half pipe and the second energy-gathering half pipe is 2cm;

the aperture of the blast hole is 2-5cm.

The beneficial effects that this application can produce include:

1) The utility model provides a two-way energy gathering pipe, through spout and tongue, first energy gathering half pipe can be in second energy gathering half pipe along its circumference clockwise/anticlockwise slip and then change the relative position of two rows of energy gathering holes on first energy gathering half pipe and the second energy gathering half pipe, the intraductal blasting energy release direction line of energy gathering that makes can be with blasting order line radian phase-match, the availability factor of reinforcing blasting energy, reinforce the rock-breaking effect, adopt two-way energy gathering hole technique simultaneously, the blasting energy that makes the intraductal explosive explosion of energy gathering produce is two directions punctiform torrent emission, the blasting effect will be more concentrated than strip energy efflux, energy release power is stronger, the rock-breaking effect is better, it is more accurate.

2) The application provides a two-way energy-gathered pipe has fixing device, can place in the big gun hole between two parties for the blasting energy-gathered pipe, improves the accuracy nature of blasting.

Drawings

FIG. 1 is a schematic cross-sectional view of a bi-directional concentrator tube according to an embodiment of the present application;

FIG. 2 is a side view of a bi-directional concentrator tube according to an embodiment of the present application;

list of components and reference numbers: 1-a first energy concentrating half-pipe; 2-a second polymerizable half-tube; 3-energy gathering holes; 4-a chute; 5-a sliding tongue; 6, positioning a cover plate; 7-a positioning cylinder; 8-positioning the bottom plate; 9-spring.

Detailed Description

The present application will be described in detail with reference to examples, but the present application is not limited to these examples.

Referring to fig. 1-2, a bidirectional energy gathering pipe comprises a first energy gathering half pipe 1 and a second energy gathering half pipe 2, wherein the axial sections of the first energy gathering half pipe 1 and the second energy gathering half pipe 2 are both in a preferred arc shape, the opening of the first energy gathering half pipe 1 is positioned in the second energy gathering half pipe 2, and the first energy gathering half pipe 1 slides clockwise/anticlockwise in the second energy gathering half pipe 2 along the circumferential direction of the first energy gathering half pipe;

and a plurality of blast holes 3 are uniformly distributed on the pipe walls of the first energy gathering half pipe 1 and the second energy gathering half pipe 2.

The pipe walls of the first energy-gathering half pipe 1 and the second energy-gathering half pipe 2 are uniformly distributed with a plurality of blast holes 3 along the axial direction, the blast holes 3 are positioned in the middle of the first energy-gathering half pipe 1 and the second energy-gathering half pipe 2 along the circumferential direction, as shown in fig. 2, wherein fig. 2 is an overall structural schematic diagram of the bidirectional energy-gathering pipe seen from one side of the first energy-gathering half pipe.

Specifically, the first energy-gathering half pipe moves relatively in the second energy-gathering half pipe, and the energy-gathering holes on the energy-gathering pipe also move relatively, so that the blasting energy release direction connecting line in the energy-gathering pipe can be matched with the blasting sequence connecting line radian, the use efficiency of blasting energy is enhanced, and the rock breaking effect is enhanced.

Meanwhile, the energy gathering holes are formed in the first energy gathering half pipe and the second energy gathering half pipe, so that the blasting energy generated by the explosion of the explosive in the energy gathering pipes can be emitted in two directions in a point torrent mode during blasting, the blasting effect is more concentrated than that of a strip-shaped energy emitting flow, the energy release power is stronger, the rock breaking effect is better, and the accuracy is higher.

The inner sides of the second semi-tubular polymer 2 close to the two ends are both provided with sliding grooves 4, and the sliding grooves 4 are arranged along the circumferential direction of the second semi-tubular polymer 2;

the outer wall of the first energy-gathering half pipe 1 is provided with a sliding tongue 5 matched with the sliding groove 4, and the position of the sliding tongue 5 is matched with the sliding groove 4.

Specifically, the end of the sliding groove 4 is further provided with a baffle plate to ensure that the sliding tongue 4 slides in the sliding groove.

The bidirectional energy gathering pipe also comprises a fixing device arranged on the outer wall of the second energy gathering half pipe 2;

the fixing device comprises a positioning cylinder 7, a spring 9 is installed in the positioning cylinder 7, two ends of the positioning cylinder 7 are respectively connected with a positioning cover plate 6 and a positioning bottom plate 8, and the positioning bottom plate 8 is fixed on the outer wall of the second energy concentrating half pipe 2.

Specifically, the positioning bottom plate 8 is welded to the bottom of the positioning cylinder, the positioning cover plate 6 is detachably connected to the top of the positioning cylinder, optionally, the positioning bottom plate is in threaded connection with the second energy-accumulating half pipe through a bolt/screw, and corresponding adjustment can be performed according to actual conditions.

And when the positioning cover plate 6 is loosened, the spring 9 releases elastic potential energy, and the spring 9 is abutted against the blast hole wall to play a fixing role.

Meanwhile, the two circumferential ends of the second energy-concentrating half pipe 2 are provided with fixing devices and are arranged oppositely.

The first energy-gathering half pipe 1 and the second energy-gathering half pipe 2 are both PVC pipes.

The major arc type pipe is a PVC pipe.

The inner diameter of the first energy-gathering half pipe 1 is 32-36cm, the inner diameter of the second energy-gathering half pipe 2 is 36-40cm, and the pipe thickness of the first energy-gathering half pipe 1 and the second energy-gathering half pipe 2 is 2cm;

the aperture of the blast hole 3 is 2-5cm.

Preferably, the inner diameter of the first energy-gathering half pipe 1 is 34cm, the outer diameter is 36cm, and the pipe thickness is 2cm; the inner diameter of the second polymerization half-tube 2 is 38cm, the outer diameter is 40cm, and the tube thickness is 2cm; the aperture of the blast hole 3 is 3cm.

The construction process of the energy-gathering pipe body is as follows:

1) Firstly, drilling about 6 deep blast holes by using a drilling machine;

2) A plurality of energy-gathering pipes with the length of 1.5m are taken, and explosives are filled in the energy-gathering pipes;

3) After the explosive is loaded, inserting an electric detonator line into the front end and the rear end of the energy collecting pipe;

4) Placing the energy-gathering pipe into the blast hole, loosening the positioning cover plates of the two positioning devices arranged on the surface of the energy-gathering pipe at the moment, and enabling the energy-gathering pipe to abut against the wall of the blast hole through the spring so as to enable the energy-gathering pipe to be centered in the blast hole;

5) According to the blast hole connecting line design, the first blasting energy-accumulating half pipe rotates, the relative positions of the two groups of energy-accumulating pipes are changed, so that the relative positions of a blasting hole on the first blasting energy-accumulating half pipe and an energy-accumulating hole on the second blasting energy-accumulating half pipe are changed, and the blasting hole connecting line is matched with the radian requirement of the blast hole connecting line;

6) Stuffing loess stemming with a stemming rod, and tamping;

7) Connecting a lead wire and detonating;

8) And finishing blasting installation and construction operation.

Although the present invention has been described with reference to a few preferred embodiments, it should be understood that various changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A bidirectional energy-gathering pipe is characterized by comprising a first energy-gathering half pipe (1) and a second energy-gathering half pipe (2), wherein the axial sections of the first energy-gathering half pipe (1) and the second energy-gathering half pipe (2) are both preferably arc-shaped, the opening of the first energy-gathering half pipe (1) is positioned in the second energy-gathering half pipe (2), and the first energy-gathering half pipe (1) slides clockwise/anticlockwise in the circumferential direction of the second energy-gathering half pipe (2);

and a plurality of blast holes (3) are uniformly distributed on the pipe walls of the first energy gathering half pipe (1) and the second energy gathering half pipe (2).

2. The bidirectional energy gathering pipe as recited in claim 1, characterized in that the pipe walls of the first energy gathering half pipe (1) and the second energy gathering half pipe (2) are uniformly distributed with a plurality of blast holes (3) along the axial direction, and the blast holes (3) are located in the middle of the first energy gathering half pipe (1) and the second energy gathering half pipe (2) along the circumferential direction.

3. The bidirectional energy concentrating pipe according to claim 1, wherein the inner sides of the second energy concentrating half pipe (2) close to the two ends are provided with sliding grooves (4), and the sliding grooves (4) are arranged along the circumferential direction of the second energy concentrating half pipe (2);

the outer wall of the first energy-gathering half pipe (1) is provided with a sliding tongue (5) matched with the sliding groove (4), and the position of the sliding tongue (5) is adapted to the sliding groove (4).

4. A bidirectional concentrator tube according to claim 1, further comprising a fixing means disposed on an outer wall of the second concentrator half-tube (2);

the fixing device comprises a positioning cylinder (7), a spring (9) is installed in the positioning cylinder (7), two ends of the positioning cylinder (7) are respectively connected with a positioning cover plate (6) and a positioning bottom plate (8), and the positioning bottom plate (8) is fixed on the outer wall of the second energy concentrating half pipe (2).

5. A bidirectional concentrator tube according to claim 1, characterized in that the area of the first concentrator half-tube (1) outside the opening of the second concentrator half-tube (2) is 1/3 of the total area of the first concentrator half-tube (1).

6. A bidirectional concentrator tube according to claim 1, characterized in that the first concentrator half-tube (1) and the second concentrator half-tube (2) are both PVC tubes.

7. A bidirectional concentrator tube according to claim 1, characterized in that the first concentrator half-tube (1) has an inner diameter of 32-36cm, the second concentrator half-tube (2) has an inner diameter of 36-40cm, and the first concentrator half-tube (1) and the second concentrator half-tube (2) have a tube thickness of 2cm;

the diameter of the blasting hole (3) is 2-5cm.

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