Spiral energy-gathered water pressure blasting tube device

Abstract

A spiral energy-gathering water pressure blasting tube device comprises a circular hollow shell (1), a spiral energy-gathering groove (3) is formed in the shell (1) in a surrounding mode, an opening of the energy-gathering groove (3) is located in the outer wall of the shell (1), the groove bottom protrudes inwards relative to the inner wall of the shell (1), the size of the opening is larger than that of the groove bottom, and a plurality of energy-gathering holes (2) are formed in the groove bottom of the spiral energy-gathering groove (3) at intervals. According to the device, the spiral energy gathering grooves are formed in the two sides of the energy gathering groove, spiral energy gathering jet flow formed by energy gathering blasting is controlled, rock mass cracks are guided to be cut in the spiral cracking direction, and the requirement for spiral cutting under the specific working condition is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel engineering equipment technical field, concretely is a spiral energy -gathering water pressure blasting pipe device. BACKGROUND

[0002] At present, the energy -gathering blasting technology can effectively improve the blasting profile forming effect, and control the tunnel profile overbreak and underbreak after blasting, utilize different energy -gathering materials and difference shape, and then influence the direction of action of the energy -gathering jet formed by energy -gathering blasting, the rock breaking degree and the tunnel profile forming effect, carry out directional cutting to rock mass and form rock blasting fissure along the energy -gathering groove cutting seam direction, can reduce the damage to the surrounding rock of the tunnel profile, control overbreak and underbreak, improve the half hole rate, reach better blasting effect, and the energy -gathering blasting technology can reduce the charge quantity of blast hole and the number of surrounding holes under specific construction conditions and working conditions, and improve the tunnel profile quality. The energy -gathering pipe shape and material used in the existing energy -gathering blasting technology are single, and the blasting forming effect in a specific direction is more general, cannot meet the requirements of blasting effect in the construction process, and the construction progress is not conducive to advancing, and further improvement is needed. SUMMARY

[0003] In order to solve the problems of the existing technology, such as the energy -gathering blasting cannot form spiral cutting seam, the blasting profile forming effect is poor, and overbreak and underbreak are prone to occur, the utility model provides a spiral energy -gathering water pressure blasting pipe device and a rock breaking method. In order to realize the above technical purpose and achieve the above technical effect.

[0004] The technical scheme of the utility model is as follows:

[0005] A spiral energy -gathering water pressure blasting pipe device, comprising a circular hollow shell, a spiral energy -gathering groove is arranged around the shell, the energy -gathering groove can have one or more, the opening of the energy -gathering groove is located on the outer wall of the shell, the groove bottom protrudes inward relative to the inner wall of the shell, and the opening size is greater than the groove bottom size, and a plurality of energy -gathering holes are arranged at intervals on the groove bottom of the spiral energy -gathering groove.

[0006] Preferably, the spacing of the plurality of energy -gathering holes is equal.

[0007] Through the spiral energy -gathering groove arranged on both sides of the energy -gathering groove, the spiral energy -gathering jet formed by energy -gathering blasting is controlled, and the rock mass crack is cut along the spiral cracking direction, meeting the requirement of forming spiral cutting under specific working conditions.

[0008] As a preferred scheme, the cross section of the energy -gathering groove is V-shaped. The change of the energy -gathering groove structure can affect the direction of the energy -gathering jet formed by energy -gathering blasting and the effect of the blast gas on the rock mass, and control the rock mass crack along the spiral cracking direction.

[0009] The width of the energy -gathering groove located on the inner side of the shell is greater than the wall thickness of the shell.

[0010] The energy gathering hole is annular and penetrates the groove bottom of the energy gathering groove.

[0011] As a preferred solution, the size of the energy gathering hole penetrating the energy gathering groove part is greater than half of the width of the energy gathering groove part located inside the shell.

[0012] The shell of the device can be made of PVC material, and preferably the shell and the energy gathering groove are made as an integral molding structure to reduce cost and increase efficiency.

[0013] Through the above design, the spiral energy gathering water pressure blasting pipe device has the following advantages:

[0014] (1) The spiral energy gathering grooves are arranged on both sides of the energy gathering groove to control the spiral energy gathering jet formed by the energy gathering blasting, and to guide the rock mass crack to cut along the spiral cracking direction, thereby meeting the requirement of forming spiral cutting under specific working conditions.

[0015] (2) The cross section of the energy gathering groove is "V" shaped, and the change of the energy gathering groove structure is used to affect the direction of the energy gathering jet formed during the energy gathering blasting and the effect of the blast gas on the rock mass, thereby controlling the rock mass crack to crack along the spiral shape. BRIEF DESCRIPTION OF DRAWINGS

[0016] In the drawings:

[0017] Figure 1 is a front view of the utility model.

[0018] Figure 2 is a left view of the utility model.

[0019] Figure 3 is a top view of the utility model.

[0020] Figure 4 is a perspective view of the utility model.

[0021] Figure 5 is a simulation use effect diagram of the utility model;

[0022] Figure 6 is a cutting effect diagram of the utility model;

[0023] The components represented by the reference numerals in the drawings are:

[0024] 1, shell; 2, energy gathering hole; 3, energy gathering groove. DETAILED DESCRIPTION

[0025] Referring to Figures 1-6As shown in the figure, the spiral shaped water pressure blasting pipe device comprises a circular hollow shell 1, a spiral shaped energy gathering groove 3 is arranged on the shell 1, the energy gathering groove 3 can have one or more, the opening of the energy gathering groove 3 is located on the outer wall of the shell 1, the groove bottom protrudes inwardly relative to the inner wall of the shell 1, and the size of the opening is larger than that of the groove bottom, and a plurality of energy gathering holes 2 are arranged at the groove bottom of the spiral shaped energy gathering groove 3.

[0026] Preferably, the spacing of the plurality of energy gathering holes 2 is equal.

[0027] The spiral shaped energy gathering grooves 3 arranged on both sides of the energy gathering groove 3 control the spiral shaped energy gathering jet formed by the energy gathering blasting, and guide the rock mass crack to cut along the spiral shape cracking direction, so as to meet the requirement of forming spiral shaped cutting under specific working conditions.

[0028] As a preferred solution, the cross section of the energy gathering groove 3 is V-shaped. The change of the structure of the energy gathering groove 3 can affect the direction of the energy gathering jet formed by the energy gathering blasting and the effect of the blast gas on the rock mass, and control the rock mass crack to crack along the spiral shape cracking direction.

[0029] In the embodiment, the width of the energy gathering groove 3 located at the inner side of the shell 1 is greater than the wall thickness of the shell 1.

[0030] Referring to Figure 4 As shown in the figure, the energy gathering hole 2 is annular and penetrates the groove bottom of the energy gathering groove 3.

[0031] As a preferred solution, the size of the energy gathering hole 2 penetrating the part of the energy gathering groove 3 is greater than half of the width of the part of the energy gathering groove 3 located at the inner side of the shell 1.

[0032] The shell 1 of the device can be made of PVC material, and it is preferred that the shell 1 and the energy gathering groove 3 are made as an integral molding structure to reduce cost and increase efficiency. Through the above overall design, the overall strength of the device is high, the structure is simple, easy to install and use, and the economic performance is considerable.

[0033] The rock breaking method based on the spiral shaped water pressure blasting pipe device of the utility model is as follows:

[0034] Firstly, the prefabricated water bag is put into the device, and then the prescribed amount of explosive is screwed or filled into the device.

[0035] Secondly, after the borehole is drilled by the three-arm rock drilling jumbo and other equipment, the detonator is inserted into the explosive, and then the device and the explosive are sent to the appropriate blasting position by the wooden stick and other equipment, the fuse is connected, and the blasting operation is completed.

[0036] The detailed operation method is as follows:

[0037] Before use, according to the actual working condition requirements, the spiral energy-gathering water pressure blasting pipe device is cut to the required length, after the drilling of the air leg type air drill or three-arm rock drilling jumbo and other drilling machines is completed, the prefabricated water bag prepared in advance is taken out and put into the device, then the explosive is screwed into or filled into the device, and the digital electronic detonator is inserted into the explosive, the device can be sent to the appropriate blasting position according to the blasting requirements through wood sticks or bamboo boards and other equipment, and after the device is completely installed, the blasting operation is completed by connecting the fire line.

[0038] In the actual construction process, plastic shells 1 of different cross-sectional shapes, lengths and different materials can be produced according to specific implementation requirements and construction conditions, or energy-gathering grooves 3 of multiple different angles can be produced to achieve the final required blasting effect.

Claims

1. A helical shaped water pressurized booster tube device, characterized by, The application relates to a hollow shell (1) with a spiral energy-gathering groove (3) on the outer wall of the shell (1), wherein the groove (3) is open on the outer wall of the shell (1), the groove bottom protrudes inwardly relative to the inner wall of the shell (1), the opening size is larger than the groove bottom size, and a plurality of energy-gathering holes (2) are arranged on the groove bottom of the spiral energy-gathering groove (3).

2. A helical shaped water-filled explosive booster tube apparatus according to claim 1, wherein, The cross section of the energy-gathering groove (3) is V-shaped.

3. A helical shaped water-filled explosive booster tube apparatus according to claim 2, wherein, The width of the energy-gathering groove (3) on the inner side of the shell (1) is larger than the wall thickness of the shell (1).

4. A helical shaped water-filled explosive booster tube apparatus according to claim 3, wherein, The energy-gathering hole (2) is annular and penetrates the groove bottom of the energy-gathering groove (3).

5. A helical shaped water-filled explosive booster tube apparatus according to claim 4, wherein, The size of the energy-gathering hole (2) penetrating the energy-gathering groove (3) is larger than half of the width of the energy-gathering groove (3) on the inner side of the shell (1).

6. A helical shaped water-filled explosive booster tube apparatus according to claim 1, wherein, The spacing of the plurality of energy-gathering holes (2) is equal.

7. A helical shaped water-filled explosive booster tube apparatus as defined in claim 1, wherein, The shell (1) is made of PVC.

8. A helical shaped water-filled explosive booster tube apparatus according to claim 1, wherein, The shell (1) and the energy-gathering groove (3) are integrally formed.

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