阅读说明：本技术 一种快速爆破钻进装置 (Quick blasting drilling device ) 是由 李天北 康俊芬 李波 于 2020-05-27 设计创作，主要内容包括：本发明提供了一种快速爆破钻进装置,包括钻头,所述钻头的后端连接有导流管体；所述导流管体沿钻岩方向的后部外侧壁开设有注药孔；所述导流管体内沿长度方向开设有注药通道；所述注药通道与所述注药孔连通；所述导流管体沿钻岩方向的前部的外壁设有前封堵环；所述导流管体沿钻岩方向的后部的外壁设有后封液环；所述注药孔位于所述后封液环沿钻岩方向的前端。可填充液体炸药进行爆破,爆破效果好,而且爆破与钻岩可同时进行,不需取出钻头即可继续填充炸药,爆破效率高。(The invention provides a rapid blasting drilling device which comprises a drill bit, wherein the rear end of the drill bit is connected with a flow guide pipe body; the outer side wall of the rear part of the flow guide pipe body along the rock drilling direction is provided with a medicine injection hole; a medicine injection channel is formed in the length direction in the flow guide pipe body; the medicine injection channel is communicated with the medicine injection hole; the outer wall of the front part of the flow guide pipe body along the rock drilling direction is provided with a front plugging ring; the outer wall of the rear part of the flow guide pipe body along the rock drilling direction is provided with a rear liquid sealing ring; the injection hole is located at the front end of the rear liquid seal ring in the rock drilling direction. The explosive can be filled with liquid explosive for blasting, the blasting effect is good, blasting and rock drilling can be simultaneously carried out, the explosive can be continuously filled without taking out a drill bit, and the blasting efficiency is high.)

1. A rapid blasting drilling device comprises a drill bit and is characterized in that the rear end of the drill bit is connected with a flow guide pipe body;

the outer side wall of the rear part of the flow guide pipe body along the rock drilling direction is provided with a medicine injection hole;

a medicine injection channel is formed in the length direction in the flow guide pipe body;

the medicine injection channel is communicated with the medicine injection hole;

the outer wall of the front part of the flow guide pipe body along the rock drilling direction is provided with a front plugging ring;

the outer wall of the rear part of the flow guide pipe body along the rock drilling direction is provided with a rear liquid sealing ring;

the injection hole is located at the front end of the rear liquid seal ring in the rock drilling direction.

2. The rapid blast drilling apparatus according to claim 1,

the front outer side wall of the guide pipe body along the rock drilling direction is provided with a front mud injection hole;

a front mud injection channel is formed in the length direction in the flow guide pipe body;

the front mud injection channel is communicated with the front mud injection hole;

the front outer side wall of the guide pipe body along the rock drilling direction is provided with a front sand injection hole;

a front sand injection channel is arranged in the flow guide pipe body along the length direction;

the front sand injection channel is communicated with the front sand injection hole;

the front sand injection hole is positioned at the front end of the front mud injection hole along the rock drilling direction;

a front mud pump is arranged in the front mud injection channel;

and a front sand pump is arranged in the front sand injection channel.

3. The rapid blast drilling apparatus according to claim 1,

the outer side wall of the rear part of the guide pipe body along the rock drilling direction is provided with a rear mud injection hole;

a rear mud injection channel is formed in the length direction in the flow guide pipe body;

the rear mud injection channel is communicated with the rear mud injection hole;

the outer side wall of the rear part of the flow guide pipe body along the rock drilling direction is provided with a rear sand injection hole;

a rear sand injection channel is formed in the length direction in the flow guide pipe body;

the rear sand injection channel is communicated with the rear sand injection hole;

the rear sand injection hole is positioned at the rear end of the rear mud injection hole in the rock drilling direction;

the drug injection hole is positioned at the front end of the rear mud injection hole along the rock drilling direction;

a rear mud pump is arranged in the rear mud injection channel;

and a back sand pump is arranged in the back sand injection channel.

4. The rapid blast drilling apparatus according to claim 2,

the outer wall of the front part of the flow guide pipe body along the rock drilling direction is provided with a front liquid sealing ring;

the front liquid sealing ring comprises fan-shaped blades and a connecting part;

the connecting part is sleeved outside the flow guide pipe body and rotates relatively;

at least two front liquid sealing rings are arranged;

the fan-shaped blades of each front liquid sealing ring are mutually abutted;

the sum of the cross-sectional areas of each fan-shaped blade is larger than the cross-sectional area of a gap between the guide pipe body and the rock formation side wall;

the front plugging ring is positioned at the front end of the front sand injection hole in the rock drilling direction;

the front liquid-sealing ring is located at the rear end of the front mud injection hole in the rock drilling direction.

5. The rapid blast drilling apparatus according to claim 1,

the rear outer side wall of the guide pipe body in the rock drilling direction corresponds to the medicine injection hole, and a medicine injection hole control switch is arranged on the guide pipe body.

6. The rapid blast drilling apparatus according to claim 2,

a front mud injection hole control switch is arranged on the outer side wall of the front part of the guide pipe body along the rock drilling direction and corresponds to the front mud injection hole;

the front outer side wall of the flow guide pipe body in the rock drilling direction is provided with a front sand injection hole control switch corresponding to the front sand injection hole.

7. The rapid blast drilling apparatus according to claim 3,

a rear mud injection hole control switch is arranged on the outer side wall of the rear part of the guide pipe body along the rock drilling direction, corresponding to the rear mud injection hole;

and a rear sand injection hole control switch is arranged on the outer side wall of the rear part of the flow guide pipe body along the rock drilling direction, corresponding to the rear sand injection hole.

8. The rapid blast drilling apparatus according to claim 1,

the rear part of the flow guide pipe body along the rock drilling direction is provided with a medicine injection mechanism;

the rear part of the flow guide pipe body along the rock drilling direction is provided with a medicine injection switch;

the medicine injection mechanism is positioned at the rear end of the medicine injection switch along the rock drilling direction;

the charge switch is located at the rear end of the rear liquid-sealing ring in the rock drilling direction.

9. The rapid blast drilling apparatus according to claim 1,

an ignition hole is formed in the outer side wall of the middle part of the flow guide pipe body along the rock drilling direction;

an ignition channel is formed in the length direction in the flow guide pipe body;

an ignition wire is arranged in the ignition channel;

the ignition wire is communicated with the ignition hole;

the ignition wire is connected with a detonating device at the rear part along the rock drilling direction.

Technical Field

The invention relates to a blasting drilling device, in particular to a rapid blasting drilling device.

Background

At present, in the construction operation of tunnel engineering such as railways, highways, subways, drilling mountains and the like, two tunneling modes of artificial blasting type excavation and automatic rotary cutting type construction are commonly used. The manual blasting method is that the excavated rock is drilled, then solid explosives are filled for blasting, then slag is removed, and then the next round of construction is carried out. The automatic rotary drilling uses a chip type arch cutter, and the physical cutting is carried out by the rotation of the chip, and although the automatic drilling is automatic, the effect of the automatic rotary drilling cannot be compared with the blasting effect by using the physical cutting.

Disclosure of Invention

The invention aims to solve the technical problem of providing a rapid blasting drilling device which can be filled with liquid explosives for blasting, has good blasting effect, can perform blasting and rock drilling simultaneously and continuously, can continue to fill explosives without taking out a drill bit and has high blasting efficiency.

In order to solve the technical problem, the rapid blasting drilling device comprises a drill bit, and the rear end of the drill bit is connected with a flow guide pipe body.

The guide pipe body is provided with a medicine injection hole along the outer side wall of the rear part of the rock drilling direction.

And a medicine injection channel is formed in the flow guide pipe body along the length direction.

The medicine injection channel is communicated with the medicine injection hole.

The outer wall of the front part of the flow guide pipe body in the rock drilling direction is provided with a front plugging ring.

The outer wall of the rear part of the flow guide pipe body in the rock drilling direction is provided with a rear liquid sealing ring.

The injection hole is located at the front end of the rear liquid seal ring in the rock drilling direction.

The front mud injection hole is formed in the outer side wall of the front part of the flow guide pipe body in the rock drilling direction.

And a front mud injection channel is formed in the flow guide pipe body along the length direction.

The front mud injection channel is communicated with the front mud injection hole.

The front sand injection hole is formed in the outer side wall of the front part of the flow guide pipe body in the rock drilling direction.

And a front sand injection channel is formed in the flow guide pipe body along the length direction.

The front sand injection channel is communicated with the front sand injection hole.

The front sand injection hole is located at the front end of the front mud injection hole in the rock drilling direction.

And a front mud pump is arranged in the front mud injection channel.

And a front sand pump is arranged in the front sand injection channel.

The rear mud injection hole is formed in the outer side wall of the rear portion of the flow guide pipe body in the rock drilling direction.

And a rear mud injection channel is formed in the flow guide pipe body along the length direction.

And the rear mud injection channel is communicated with the rear mud injection hole.

The rear sand injection hole is formed in the outer side wall of the rear portion of the flow guide pipe body in the rock drilling direction.

And a rear sand injection channel is formed in the flow guide pipe body along the length direction.

The back sand injection channel is communicated with the back sand injection hole.

The rear sand injection hole is located at the rear end of the rear mud injection hole in the rock drilling direction.

The drug injection hole is located at the front end of the rear mud injection hole in the rock drilling direction.

And a rear mud pump is arranged in the rear mud injection channel.

And a back sand pump is arranged in the back sand injection channel.

The outer wall of the front part of the flow guide pipe body in the rock drilling direction is provided with a front liquid sealing ring.

The front liquid sealing ring comprises fan-shaped blades and a connecting part.

The connecting part sleeves the diversion pipe body and rotates relatively.

At least two front liquid sealing rings are arranged.

The fan-shaped blades of each front liquid sealing ring are mutually abutted.

The sum of the cross-sectional areas of each of the fan-shaped blades is larger than the cross-sectional area of the gap between the nozzle body and the side wall of the formation being drilled.

The front plugging ring is located at the front end of the front sand injection hole in the rock drilling direction.

The front liquid-sealing ring is located at the rear end of the front mud injection hole in the rock drilling direction.

The rear outer side wall of the guide pipe body in the rock drilling direction corresponds to the medicine injection hole, and a medicine injection hole control switch is arranged on the guide pipe body.

The front outer side wall of the guide pipe body in the rock drilling direction is provided with a front mud injection hole control switch corresponding to the front mud injection hole.

The front outer side wall of the flow guide pipe body in the rock drilling direction is provided with a front sand injection hole control switch corresponding to the front sand injection hole.

The rear outer side wall of the guide pipe body in the rock drilling direction corresponds to the rear mud injection hole, and a rear mud injection hole control switch is arranged on the guide pipe body.

And a rear sand injection hole control switch is arranged on the outer side wall of the rear part of the flow guide pipe body along the rock drilling direction, corresponding to the rear sand injection hole.

The rear part of the flow guide pipe body along the rock drilling direction is provided with a medicine injection mechanism.

And a medicine injection switch is arranged at the rear part of the flow guide pipe body along the rock drilling direction.

The injection mechanism is located at the rear end of the injection switch in the direction of rock drilling.

The charge switch is located at the rear end of the rear liquid-sealing ring in the rock drilling direction.

And the outer side wall of the middle part of the flow guide pipe body in the rock drilling direction is provided with an ignition hole.

An ignition channel is formed in the flow guide pipe body along the length direction.

An ignition wire is arranged in the ignition channel.

The ignition wire is communicated with the ignition hole.

The ignition wire is connected with a detonating device at the rear part along the rock drilling direction.

Drawings

The rapid explosion drilling device of the present invention is further described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is a schematic structural diagram of the rapid explosion drilling device of the invention.

In the figure: 1-a drill bit body; 2-a flow guide pipe body; 201-medicine injection hole; 202-injecting mud holes behind the draft tube; 203-sand injection holes behind the flow guide pipe; 204-liquid sealing ring in front of the draft tube; 205-sand injection holes in front of the draft tube; 206-a front plugging ring of the draft tube; 207-liquid sealing ring behind the draft tube; 208-a mud injection hole in front of the draft tube; 209-a drug injection mechanism; 210-medicine injection switch; 211-ignition hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

One embodiment of the present invention is shown in fig. 1, and this embodiment provides a rapid explosive drilling device and a rapid explosive drilling method thereof, where a diversion pipe body 2 is connected to a rear end of a drill bit body 1.

The guide pipe body 2 is provided with a medicine injection hole 201 along the outer side wall of the rear part of the rock drilling direction.

And a medicine injection channel is formed in the flow guide pipe body 2 along the length direction.

The drug injection channel is communicated with the drug injection hole 201.

The outer wall of the guide tube body 2 in front of the rock drilling direction is provided with a guide tube front plugging ring 206.

The outer wall of the guide pipe body 2 at the rear part along the rock drilling direction is provided with a guide pipe rear liquid sealing ring 207.

The injection hole 201 is located at the front end of the rear liquid-tight ring 207 of the guide tube in the rock drilling direction.

The guide pipe body 2 is provided with a guide pipe front mud injection hole 208 along the front outer side wall of the rock drilling direction.

And a front mud injection channel is formed in the diversion pipe body 2 along the length direction.

The front mud injection passage is communicated with the front mud injection hole 208 of the draft tube.

The guide pipe body 2 is provided with a guide pipe front sand injection hole 205 along the front outer side wall of the rock drilling direction.

And a front sand injection channel is arranged in the flow guide pipe body 2 along the length direction.

The front sand injection passage is communicated with the front sand injection hole 205 of the draft tube.

The nozzle front sand injection hole 205 is located at the front end of the nozzle front mud injection hole 208 in the rock drilling direction.

And a front mud pump is arranged in the front mud injection channel.

And a front sand pump is arranged in the front sand injection channel.

The guide pipe body 2 is provided with a guide pipe rear mud injection hole 202 along the outer side wall of the rear part of the rock drilling direction.

And a rear mud injection channel is formed in the diversion pipe body 2 along the length direction.

The rear mud injection passage is communicated with the rear mud injection hole 202 of the draft tube.

The guide pipe body 2 is provided with a guide pipe rear sand injection hole 203 along the outer side wall of the rear part of the rock drilling direction.

And a back sand injection channel is formed in the flow guide pipe body 2 along the length direction.

The rear sand injection passage is communicated with the rear sand injection hole 203 of the draft tube.

The draft tube rear sand injection hole 203 is located at the rear end of the draft tube rear mud injection hole 202 in the rock drilling direction.

The injection hole 201 is located at the front end of the mud injection hole 202 behind the draft tube in the rock drilling direction.

And a rear mud pump is arranged in the rear mud injection channel.

And a back sand pump is arranged in the back sand injection channel.

The sand injection channel is internally provided with a pipeline with an eyelet to prevent the sand injection channel from being blocked.

A one-way valve is arranged at the sand outlet of the sand injection channel; the sand inlet is designed as a normally open opposite-insertion type conveying passage.

The outer wall of the front part of the guide pipe body 2 in the rock drilling direction is provided with a guide pipe front liquid sealing ring 204.

The liquid sealing ring 204 comprises fan-shaped blades and a connecting part.

The connecting part sleeves the guide pipe body 2 and rotates relatively.

Three liquid sealing rings 204 are arranged in front of the draft tube.

The fan-shaped blades of the liquid sealing ring 204 in front of each flow guide pipe are mutually abutted.

The angle of each fan-shaped blade is between 120 and 360 degrees.

The sum of the cross-sectional areas of each of the fan-shaped blades is larger than the cross-sectional area of the gap between the nozzle body 2 and the side wall of the formation being drilled.

The flow tube front plugging ring is located at the front end of the flow tube front sand injection hole 205 in the rock drilling direction.

The flow tube front liquid seal ring 204 is located at the rear end of the flow tube front mud injection hole 208 in the rock drilling direction.

The rear outer side wall of the guide pipe body 2 in the rock drilling direction corresponds to the medicine injection hole 201 and is provided with a medicine injection hole 201 control switch.

The front outer side wall of the guide pipe body 2 in the rock drilling direction is provided with a front mud injection hole control switch corresponding to the front mud injection hole 208 of the guide pipe.

The front outer side wall of the guide pipe body 2 in the rock drilling direction is provided with a front sand injection hole control switch corresponding to the front sand injection hole 205 of the guide pipe.

The rear outer side wall of the guide pipe body 2 in the rock drilling direction is provided with a rear mud injection hole control switch corresponding to the rear mud injection hole 202 of the guide pipe.

The rear outer side wall of the guide pipe body 2 in the rock drilling direction is provided with a rear sand injection hole control switch corresponding to the rear sand injection hole 203 of the guide pipe.

The guide tube body 2 is provided with a chemical injection mechanism 209 at the rear in the rock drilling direction.

The guide tube body 2 is provided with a chemical injection switch 210 at the rear in the rock drilling direction.

The injection mechanism 209 is located at the rear end of the injection switch 210 in the rock drilling direction.

The drug injection switch 210 is located at the rear end of the liquid-tight ring 207 behind the delivery tube in the rock drilling direction.

The guide pipe body 2 is provided with an ignition hole 211 along the middle outer side wall of the rock drilling direction.

An ignition channel is formed in the diversion pipe body 2 along the length direction.

An ignition wire is arranged in the ignition channel.

The ignition wire communicates with the ignition hole 211.

The ignition wire is connected with a detonating device at the rear part along the rock drilling direction.

The rapid blasting drilling method comprises the following steps:

s1, the front and rear ends of the detonation section in the rock drilling direction are simultaneously injected with mud by the rapid blasting device to form a front mud column and a rear mud column, respectively.

And S2, injecting blasting powder between the front mud column and the rear mud column through a quick blasting device.

S3, simultaneously sand-injecting the front end of the front mud column in the rock drilling direction and the rear end of the rear mud column in the rock drilling direction by a rapid blasting device to form a front sand section and a rear sand section, respectively.

And S4, igniting the blasting charge through a quick blasting device, and blasting.

In S1, the step of forming the front and rear mud columns includes:

and S11, injecting mud into the front mud injection channel and the rear mud injection channel respectively, rotating the diversion pipe body simultaneously, and enabling mud to flow out of the front mud injection hole 208 and the rear mud injection hole 202 of the diversion pipe respectively.

And S12, starting the front mud pump to adsorb the mud, opening the front liquid sealing ring 204 of the guide pipe, and respectively forming a front mud column and a rear mud column between the guide pipe body 2 and the side wall of the rock drilling stratum, wherein the front mud column is positioned at the rear end of the front liquid sealing ring 204 of the guide pipe along the rock drilling direction.

In S2, the step of injecting the blasting agent includes:

and S21, starting the explosive injection mechanism, opening the rear liquid sealing ring 207 of the diversion pipe, injecting explosive into the explosive injection channel, enabling the explosive to flow out of the explosive injection holes, and forming liquid medicine sections between the diversion pipe body 2 and the side wall of the rock stratum and between the front mud column and the rear mud column.

And S22, starting the rear mud pump, and pushing the rear mud column to abut against the blasting powder.

In S3, the step of forming the front sand section and the rear sand section includes:

s31, sand is injected into the front sand injection passage and the rear sand injection passage, respectively, while rotating the guide tube body 2, sand flows out from the guide tube front sand injection hole 205 and the guide tube rear sand injection hole 203, respectively, and a front sand section and a rear sand section are formed between the guide tube body 2 and the rock formation side wall, the front mud column front end in the rock drilling direction, and the rear mud column rear end in the rock drilling direction, respectively.

And S32, starting the front sand pump, opening the front liquid sealing ring 204 of the flow guide pipe, and sucking the front sand section to be abutted against the front mud column.

And S33, starting the rear sand pump, and pushing the rear sand section to be abutted against the rear mud column.

In S4, the igniting step includes closing the draft tube and then closing the liquid sealing ring 207, activating the initiating device, and igniting the blasting charge by the ignition wire.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.