CN218759790U - Tunnel blast hole cleaning device - Google Patents

Abstract

The utility model discloses a tunnel blasting hole cleaning device, which comprises a box body and a dust recovery cover. The inside of the box body is fixed with an obliquely arranged dust filter screen, and the inside of the box body is fixed below the dust filter screen. There is a material receiving funnel, an exhaust pipe is connected to the side of the box, and a blower is installed on the top of the box; the inside of the dust recovery cover is slidingly sleeved with a metal air duct, and the dust recovery cover is A translation mechanism is installed to drive the translation of the metal air guide pipe. One end of the metal air guide pipe communicates with the air outlet of the blower through the air supply hose, and the dust recovery cover communicates with the box through the dust recovery hose. The other end of the metal air duct communicates with an air cover, and the side of the air cover communicates with a nozzle. The box body of the utility model is used to recover the dust produced by purging, and the filtered gas is discharged through the exhaust pipe, so that the dust will not fly during the purging and affect the health of the operator and surrounding personnel.

Description

A tunnel blast hole cleaning device

technical field

The utility model relates to the technical field of blast hole cleaning, in particular to a tunnel blast hole cleaning device.

Background technique

We know that the inside of the tunnel blast hole needs to be cleaned after the drilling is completed, so as to avoid the impact of the internal dust on the explosive loading. Authorized notification number is the Chinese patent of CN217647055U, discloses a kind of blasting blast hole high-pressure wind blowing device, and this patent can carry out sufficient blowing to blast hole, reaches the purpose of cleaning blast hole. However, in actual use, we found that the blown dust was not collected but diffused around, causing serious dust pollution to users and surrounding personnel, and affecting their respiratory health.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a tunnel blast hole cleaning device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A tunnel blasting hole cleaning device, comprising a box body and a dust recovery cover, the inside of the box body is fixed with a dust filter screen arranged obliquely, and the inside of the box body is fixed with a material receiving funnel under the dust filter screen, The side of the box is connected with an exhaust pipe, and the top of the box is equipped with a blower;

The inside of the dust recovery cover is slidingly sleeved with a metal air guide tube, and a translation mechanism for driving the metal air guide tube to translate is installed on the dust recovery cover. One end of the metal air guide tube passes through the air supply hose and the blower. The air outlet is connected, the dust recovery cover is connected with the box through the dust recovery hose, the other end of the metal air guide tube is connected with the gas cover, and the side of the gas cover is connected with the nozzle.

Preferably, the bottom of the box is equipped with rollers, the inner bottom of the box is a slope structure, and the side of the dust recovery cover is fixed with a handle.

Preferably, a slag discharge hole is opened at the bottom of the side of the box, and a slag discharge door is hinged on the slag discharge hole.

Preferably, the translation mechanism includes a bracket, a motor, a gear, and a rack, the motor is fixed on the dust recovery cover through the bracket, the output shaft of the motor is sleeved with a gear, and the rack is fixed on the metal air duct superior.

Preferably, one end of the dust recovery hood close to the gas hood is open, and a sealing gasket is fixed on the opening edge of the dust recovery hood.

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

1. In this utility model, the dust recovery cover is placed on the port of the tunnel blast hole, the motor can drive the gear to rotate, and the gear rack can be driven to translate through the meshing of the gear and the rack, and the rack drives the metal air duct to move synchronously, so that The air cover is sent into the blast hole of the tunnel through the translation mechanism, the blower generates high-pressure airflow, and the high-pressure air flow passes through the air supply hose, the metal air guide pipe, the air cover, and the nozzle in sequence, and is sprayed from the nozzle to blow the blast hole in the tunnel. Inside, the blown dust is recovered through the dust recovery cover, and then enters the box through the dust recovery pipe. After the dust is filtered through the dust filter, the dust falls into the box. The box is used to recover the dust generated by purging. The gas is discharged through the exhaust pipe, so that it will not cause dust to fly during purging and affect the health of the operator and surrounding personnel;

2. In the utility model, the rollers facilitate the movement of the box body. The inner bottom of the box body is a slope structure, which facilitates the discharge of dust from the box body. The slag door can discharge the dust through the slag discharge hole, and the sealing gasket helps to improve the fit between the dust recovery cover and the outside of the tunnel blast hole, so as to facilitate better dust collection.

Description of drawings

Fig. 1 is the structural representation of a kind of tunnel blast hole cleaning device proposed by the utility model;

Fig. 2 is the sectional view of the casing of a kind of tunnel blast hole cleaning device proposed by the utility model;

Fig. 3 is the sectional view of the air cover of a kind of tunnel blasting hole cleaning device proposed by the utility model;

Fig. 4 is a structural schematic diagram of a translation mechanism of a tunnel blast hole cleaning device proposed by the utility model.

In the figure: 1 box body, 2 dust recovery hose, 3 translation mechanism, 31 bracket, 32 motor, 33 gear, 34 rack, 4 nozzle, 5 air cover, 6 metal air duct, 7 handle, 8 dust recovery Cover, 9 air supply hose, 10 blower, 11 exhaust pipe, 12 roller, 13 receiving funnel, 14 dust filter, 15 slag discharge door, 16 slag discharge hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a tunnel blast hole cleaning device includes a box body 1 and a dust recovery cover 8, the box body 1 is used to recover the dust generated by purging, and the inside of the box body 1 is fixed with a dust filter screen 14 arranged obliquely , the inside of the box body 1 is fixed with a receiving funnel 13 under the dust filter screen 14, the side of the box body 1 is connected with an exhaust pipe 11, and the top of the box body 1 is equipped with a blower 10; the inside of the dust recovery cover 8 The metal air guide pipe 6 is slidingly sleeved, and the dust recovery cover 8 is equipped with a translation mechanism 3 for driving the metal air guide pipe 6 to translate. One end of the metal air guide pipe 6 communicates with the air outlet of the blower 10 through the air supply hose 9 , the dust recovery cover 8 communicates with the box body 1 through the dust recovery hose 2, the other end of the metal air duct 6 communicates with the gas cover 5, and the side of the gas cover 5 communicates with the nozzle 4, and the dust recovery cover 8 is placed on the At the port of the tunnel blast hole, the gas cover 5 is sent into the tunnel blast hole through the translation mechanism 3, and the blower 10 generates a high-pressure air flow, which passes through the air supply hose 9, the metal air guide tube 6, the gas cover 5, and the nozzle in sequence. 4 and sprayed from the nozzle 4 and blown into the tunnel blast hole, the blown dust is recovered through the dust recovery cover 8, and then enters the box 1 through the dust recovery pipe 2, after the dust is filtered through the dust filter 13, the dust Falling into the box body 1, the filtered gas is discharged through the exhaust pipe 11, so as not to cause dust to fly during purging and affect the health of the operator and surrounding personnel.

The bottom of the box 1 is equipped with rollers 12, which are convenient for the movement of the box 1. The inner bottom of the box 1 is a slope structure, which is convenient for dust to be discharged from the box 1. The side of the dust recovery cover 8 is fixed with The handle 7 is convenient for the user to press the dust recovery cover 8 on the blast hole of the tunnel. A slag discharge hole 16 is opened at the bottom of the side of the box body 1. A slag discharge door 15 is hinged on the slag discharge hole 16. Open the slag discharge door 15, the dust can be discharged through the slag discharge hole 16, the end of the dust recovery cover 8 close to the gas cover 5 is open, and the edge of the opening of the dust recovery cover 8 is fixed with a sealing gasket, which helps to improve the dust recovery cover 8 and The fit on the outside of the tunnel blast hole facilitates better collection of dust.

With reference to Fig. 4, translation mechanism 3 comprises support 31, motor 32, gear 33, rack 34, and motor 32 is fixed on the dust recovery cover 8 by support 31, and the output shaft of motor 32 is sleeved with gear 33, and rack 34 is fixed on On the metal air duct 6, the motor 32 can drive the gear 33 to rotate, and the engagement of the gear 33 and the rack 34 can drive the rack 34 to translate, and the rack 34 drives the metal air duct 6 to move synchronously.

Working principle: When in use, put the dust recovery cover 8 on the port of the tunnel blast hole, the motor 32 can drive the gear 33 to rotate, and the gear 33 can drive the rack 34 to translate through the meshing of the gear 33 and the rack 34, and the rack 34 can drive the metal wind guide The tubes 6 move synchronously, so that the gas cover 5 can be sent into the blast hole of the tunnel through the translation mechanism 3, and the blower 10 generates a high-pressure air flow, which passes through the air supply hose 9, the metal air guide tube 6, the gas cover 5, and the spray tube in turn. The pipe 4 is sprayed from the nozzle 4 and blown into the blast hole of the tunnel. The blown dust is recovered through the dust recovery cover 8, and then enters the box 1 through the dust recovery pipe 2. After the dust is filtered through the dust filter 13, The dust falls into the box body 1, and the box body 1 is used to recover the dust generated by purging, and the filtered gas is discharged through the exhaust pipe 11, so as not to cause dust to fly during purging and affect the health of the operator and surrounding personnel ;

The roller 12 is convenient for the movement of the box body 1. The inner bottom of the box body 1 is a slope structure. The slope surface structure is convenient for dust to be discharged from the box body 1. The handle 7 is convenient for the user to press the dust recovery cover 8 on the blast hole of the tunnel to open the discharge hole. The slag door 15 can discharge dust through the slag discharge hole 16, and the sealing gasket helps to improve the bonding between the dust recovery cover 8 and the outside of the tunnel blast hole, so as to collect dust better.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A tunnel blasting hole cleaning device, comprising a box body (1) and a dust recovery cover (8), characterized in that a dust filter screen (14) arranged obliquely is fixed inside the box body (1). A receiving funnel (13) is fixed inside the box (1) and below the dust filter (14). The side of the box (1) is connected to an exhaust pipe (11). A blower (10) is installed on the top of (1); The metal air duct (6) is slidingly sleeved inside the dust recovery cover (8), and a translation mechanism (3) for driving the metal air duct (6) to translate is installed on the dust recovery cover (8), One end of the metal air guide pipe (6) communicates with the air outlet of the blower (10) through the air supply hose (9), and the dust recovery cover (8) connects with the box body (1) through the dust recovery hose (2) ), the other end of the metal air guide pipe (6) is connected with the air cover (5), and the side of the air cover (5) is connected with the nozzle pipe (4). 2. A tunnel blasting hole cleaning device according to claim 1, characterized in that rollers (12) are installed on the bottom of the box (1), and the inner bottom of the box (1) is a slope structure, the side of the dust recovery cover (8) is fixed with a handle (7). 3. A tunnel blasting hole cleaning device according to claim 2, characterized in that, a slagging hole (16) is opened at the bottom of the side of the box body (1), and the slagging hole (16) is A slag discharge door (15) is hinged. 4. A tunnel blast hole cleaning device according to claim 1, characterized in that the translation mechanism (3) includes a bracket (31), a motor (32), a gear (33), and a rack (34), The motor (32) is fixed on the dust recovery cover (8) through the bracket (31), the output shaft of the motor (32) is sleeved with a gear (33), and the rack (34) is fixed on the metal wind guide on the tube (6). 5. A tunnel blasting hole cleaning device according to claim 1, characterized in that one end of the dust recovery cover (8) close to the gas cover (5) is open, and the dust recovery cover (8) The open edge is secured with a sealing gasket.

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