CN216705402U

CN216705402U - Blasting pipeline exhaust dust collector

Info

Publication number: CN216705402U
Application number: CN202220225958.0U
Authority: CN
Inventors: 孙超; 罗刚强; 唐宇锋
Original assignee: Zhejiang Water Resources And Hydropower Construction Supervision Co ltd
Current assignee: Zhejiang Water Resources And Hydropower Construction Supervision Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-10
Anticipated expiration: 2032-01-24

Abstract

The utility model belongs to the technical field of the technique of exhaust dust removal after the blasting and specifically relates to a blasting pipeline exhaust dust collector is related to, and it includes fan, breather pipe, bellows, supporting component and sliding mechanism, the bellows is in the tunnel below, the bellows is flexible along breather pipe length direction, the bellows is connected in the one end that the breather pipe is close to the blast point, sliding mechanism in bellows top and with tunnel inner wall fixed connection, supporting component is located between sliding mechanism and the bellows, sliding mechanism is connected with supporting component. This application has the efficiency that improves exhaust dust removal behind the tunnel blasting.

Description

Blasting pipeline exhaust dust collector

Technical Field

The application relates to the technical field of exhaust dust removal after blasting, in particular to an exhaust dust removal device for a blasting pipeline.

Background

A large amount of dust and harmful gas are generated during blasting in the tunnel, and if the dust and the gas are not discharged in time after blasting, the follow-up operation can be influenced, so the dust and the gas need to be discharged out of the tunnel in time by using an exhaust dust removal device.

At present, when the tunnel blasting operation, the mountain body has inside a plurality of pipelines that are used for the exhaust to remove dust, and the pipeline air outlet is provided with the fan, is provided with clamp and rings outside the pipeline pipe wall, and the rings top is provided with the lifting hook that colludes with rings and link for fixed pipeline position. After blasting, the fan rotates, negative pressure is generated inside the pipeline, so that gas and dust around the air inlet of the pipeline are sucked into the pipeline and finally discharged out of the tunnel.

With respect to the related art, the inventors consider that: in order to prevent the pipeline from being damaged after explosion, the pipeline port is far away from the explosion point in the related technology, so that the dust and gas are difficult to be discharged efficiently by the technology.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of exhaust dust removal behind the tunnel blasting, this application provides a blasting pipeline exhaust dust collector.

The application provides a blasting pipeline exhaust dust collector adopts following technical scheme:

the utility model provides a blasting pipeline exhaust dust collector, includes fan, breather pipe, still includes bellows, supporting component and slide mechanism, the bellows is used for setting up in the tunnel below, the bellows is flexible along breather pipe length direction, bellows connection is in the breather pipe one end near the blast point, slide mechanism in the bellows top and be used for with tunnel inner wall fixed connection, supporting component is located between slide mechanism and the bellows, slide mechanism and supporting component sliding connection.

Through adopting above-mentioned technical scheme, the bellows is flexible pipe that can stretch out and draw back, and supporting component is used for supporting the bellows, and slide mechanism is used for adjusting bellows length, drives supporting component through slide mechanism before the blasting, and supporting component drives the bellows shrink, makes the bellows mouth of pipe keep away from the rupture point, and slide mechanism drives supporting component after the blasting, and supporting component drives the bellows extension, makes the bellows mouth of pipe be close to the rupture point and begin to exhaust to improve the efficiency that the exhaust was removed dust.

Optionally, the sliding mechanism includes a pulley assembly and a slide rail, the pulley assembly slides in the slide rail, and the slide rail is used for being fixedly connected with the inner wall of the tunnel.

Through adopting above-mentioned technical scheme, loose pulley assembly slides along slide rail track length direction, and loose pulley assembly drives the supporting component and removes, and the supporting component drives the bellows and removes to can let the bellows can stretch out and draw back and can be supported again.

Optionally, the pulley assembly includes a sliding wheel and a frame, a sliding groove for accommodating the sliding wheel is provided on the sliding rail, an opening of the sliding groove faces upward, and the frame is connected with the support assembly.

Through adopting above-mentioned technical scheme, the movable pulley removes in the spout of slide rail, can let the pulley be difficult to with the slide rail separation.

Optionally, the supporting component comprises a second lifting hook and a second lifting ring, the second lifting ring is connected with the corrugated pipe, and the second lifting hook is detachably connected with the second lifting ring.

Through adopting above-mentioned technical scheme, supporting component mainly plays the supporting role to the bellows to can play the removal effect to supporting component through slide mechanism, lifting hook two is connected for dismantling with rings two, convenient assembly and disassembly.

Optionally, the corrugated pipe and the vent pipe are detachably connected through a connecting assembly, the connecting assembly comprises flange plates connected to two ends of the corrugated pipe and the vent pipe, and adjacent flange plates are connected through bolt fasteners.

Through adopting above-mentioned technical scheme, the ring flange subassembly mainly plays can dismantle the connection effect, can dismantle bellows and breather pipe through bolt and nut and link together to the convenience is along with the length of tunnel tunnelling extension breather pipe.

Optionally, two ends of the sliding rail are closed.

Through adopting above-mentioned technical scheme, slide rail both ends are sealed and can be prevented loose pulley assembly roll-off track.

Optionally, a holding tank arranged along the length direction of the slide rail is arranged in the slide rail, two sliding grooves are symmetrically formed in the side walls of the two sides of the holding tank, a sliding wheel connected with the rack in a rotating mode is arranged in each sliding groove, and the upper end of the second lifting hook penetrates between the two sliding grooves and is connected with the rack.

Through adopting above-mentioned technical scheme, the symmetry is provided with twice spout in the slide rail, can increase loose pulley assembly's stability.

Optionally, a driving mechanism is further arranged on the sliding rail, the driving mechanism includes a motor and a screw rod, the motor is fixedly connected to one end of the sliding rail, and the motor is located in the accommodating groove and penetrates through the rack in a threaded manner.

Through adopting above-mentioned technical scheme, starter motor, lead screw rotate, and the lead screw drives loose pulley assembly and removes, and loose pulley assembly drives second removal of lifting hook, and second removal control bellows length of lifting hook to can realize the electrical control bellows length.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bellows is far away from the explosion point during explosion, and the bellows can be stretched to enable the bellows to be close to dust and gas generated by the explosion point during exhaust, so that the exhaust efficiency is improved;

2. the motor drives the screw rod to rotate, the screw rod drives the pulley assembly to move, and the pulley assembly moves to change the length of the corrugated pipe, so that the corrugated pipe can be electrically controlled to extend and contract;

3. the flange plate assembly mainly plays a role in detachable connection, and the corrugated pipe and the vent pipe can be detachably connected together through bolts and nuts, so that the length of the vent pipe is conveniently prolonged along with tunneling.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural view of a sliding mechanism according to an embodiment of the present application.

Fig. 4 is a schematic sectional view B-B of the sliding mechanism according to the embodiment of the present application.

Description of reference numerals: 1. a breather pipe; 2. a bellows; 3. a sheave assembly; 4. a slide rail; 5. a first hanging ring; 6. a first lifting hook; 7. a second hanging ring; 8. a second lifting hook; 9. a flange plate; 10. a bolt; 11. a nut; 12. a fan; 13. clamping a hoop; 14. a collar; 15. a waist panel; 16. a wing plate; 17. a base plate; 18. an anti-drop plate; 19. a chute; 20. a moving groove; 21. a sliding wheel; 22. an ear plate; 23. a top plate; 24. a tunnel; 25. a screw rod; 26. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

A blasting pipeline exhaust dust removal device comprises an exhaust assembly and a sliding mechanism, wherein the exhaust assembly is used for exhausting gas and dust generated by blasting of a tunnel 24, and the sliding mechanism is used for controlling the expansion and contraction of the exhaust assembly.

Referring to fig. 1 and 2, the exhaust assembly includes a corrugated pipe 2 and a vent pipe 1, and a connecting assembly, which may be a flange 9, is coaxially fixed between the corrugated pipe 2 and the vent pipe 1. The breather pipe 1 comprises many unit pipes, and the equal coaxial ring flange 9 that is fixed with in both ends of unit pipe, bolt 10 pass two ring flanges 9 between the adjacent unit pipe and are connected with nut 11 to realized that the unit pipe can dismantle the connection. Wherein bellows 2 is a polyurethane bellows 2.

The air outlet of the vent pipe 1 outside the tunnel 24 is connected with the fan 12, and the air inlet in the tunnel is connected with the corrugated pipe 2. The outer wall cover of breather pipe 1 is equipped with clamp 13, and clamp 13 upper end fixed connection rings 5, rings 5 tops are provided with vertical lifting hook 6, and 6 lower extremes of lifting hook 5 collude even with rings, and 6 upper ends of lifting hook and 24 go up parietal fixed connection in the tunnel. The outer wall cover of bellows 2 is equipped with lantern ring 14, 14 upper ends fixedly connected with supporting component of lantern ring, and supporting component includes two rings 7 and two 8 lifting hooks, and two 8 lifting hooks are located two 7 tops of rings and vertical setting, and two 8 lower extremes of lifting hook collude with two 7 rings and link to each other.

The fan 12 is started, negative pressure is formed inside the vent pipe 1, the corrugated pipe 2 is connected with the vent pipe 1, and the pipe orifice of the corrugated pipe 2 starts to suck air.

Referring to fig. 3 and 4, the sliding mechanism includes a pulley assembly 3 and a slide rail 4. Pulley assemblies 3 and slide rails 4 are disposed above bellows 2, and slide rails 4 are connected to the top wall connections of tunnel 24. The slide rail 4 comprises a waist plate 15 in the horizontal direction and wing plates 16 vertical to two sides, the upper end faces of the wing plates 16 on the two sides are connected with the lower end face of the waist plate 15, one ends, far away from the waist plate 15, of the wing plates 16 are turned over twice in opposite directions to form a bottom plate 17 and an anti-falling plate 18 which are perpendicular to each other, the anti-falling plate 18 is parallel to the wing plates 16, the bottom plate 17 is perpendicular to the wing plates 16, and the top end of the anti-falling plate 18 is spaced from the lower end face of the waist plate 15. The wing plate 16, the bottom plate 17 and the retaining plate 18 form a sliding groove 19 for the pulley assembly 3 to slide, and a moving groove 20 for the second hook 8 to move is formed between the two retaining plates 18. The two ends of the sliding rail 4 are sealed, so that the pulley component 3 is prevented from being separated.

Referring to fig. 3 and 4, the pulley assembly 3 includes two sliding wheels 21, and a pair of frames rotatably connected to the sliding wheels 21. The frame includes otic placode 22, is located the roof 23 of otic placode 22 upper end, and the both ends of roof 23 are all provided with two otic placodes 22 at the interval, and movable pulley 21 rotates to be connected between two otic placodes 22. The top plate 23 of the pulley component 3 is fixedly connected with the top end of the second hook 8, and the top end of the anti-dropping plate 18 and the lower end surface of the waist plate 15 are spaced to accommodate the top plate 23. Two movable pulleys 21 and frame move in the spout 19 in slide rail 4, and the lifting hook two 8 moves in the shifting chute 20 in the middle of slide rail 4, and the lower extreme fixedly connected with of roof 23 can supply the block that lead screw 25 passed, and lead screw 25 links to each other with motor 26's output shaft, and motor 26 fixes on the tip of roof 23 towards tunnel mouth one end.

Through starting motor 26, drive lead screw 25 and rotate, lead screw 25 drives loose pulley assembly 3 and removes along 4 length direction of slide rail, and loose pulley assembly 3 drives two 8 movements of lifting hook, and bellows 2 extends or shortens along length direction to adjust bellows 2 mouth of pipe position, because slide rail 4 both ends mouth seals, so loose pulley assembly 3 can not the roll-off track.

The implementation principle of the embodiment is as follows:

before blasting, the motor 26 is started to enable the pipe orifice of the corrugated pipe 2 to be far away from the blasting point, so that the corrugated pipe 2 is prevented from being damaged by blasting; after blasting, the starting motor 26 rotates reversely, so that the orifice of the corrugated pipe 2 reaches the position close to the blasting point, the fan 12 is started, negative pressure is generated inside the ventilating pipe 1, and the orifice of the corrugated pipe 2 inhales air, so that harmful dust and gas in the tunnel are efficiently discharged.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a blasting pipeline exhaust dust collector, includes fan (12), breather pipe (1), its characterized in that: still include bellows (2), supporting component and sliding mechanism, bellows (2) are used for setting up in tunnel (24) below, bellows (2) are flexible along breather pipe (1) length direction, bellows (2) are connected in breather pipe (1) one end near the blast point, sliding mechanism in bellows (2) top and be used for with tunnel (24) inner wall fixed connection, supporting component is located between sliding mechanism and bellows (2), sliding mechanism and supporting component sliding connection.

2. The blasting pipeline exhaust dust removal device of claim 1, wherein: the sliding mechanism comprises a pulley assembly (3) and a sliding rail (4), the pulley assembly (3) slides in the sliding rail (4), and the sliding rail (4) is fixedly connected with the inner wall of the tunnel (24).

3. The blasting pipeline exhaust dust removal device of claim 2, wherein: pulley assembly (3) are provided with spout (19) that are used for holding pulley (21) including pulley (21) and frame on slide rail (4), the opening of spout (19) is up, the frame is connected with supporting component.

4. The blasting pipeline exhaust dust removal device of claim 1, wherein: the supporting component comprises a second lifting hook (8) and a second lifting ring (7), the second lifting ring (7) is connected with the corrugated pipe (2), and the second lifting hook (8) is detachably connected with the second lifting ring (7).

5. The blasting pipeline exhaust dust removal device of claim 1, wherein: bellows (2) can be dismantled with breather pipe (1) through coupling assembling and be connected, coupling assembling is including connecting in the ring flange (9) at bellows (2) and breather pipe (1) both ends, and adjacent ring flange (9) are connected through bolt fastening spare.

6. The blasting pipeline exhaust dust removal device of claim 2, wherein: and two ends of the sliding rail (4) are closed.

7. The blasting pipeline exhaust dust removal device of claim 4, wherein: be provided with the holding tank that sets up along slide rail (4) length direction in slide rail (4), the symmetry is provided with two spout (19) on the both sides lateral wall of holding tank, all is provided with in every spout (19) and rotates movable pulley (21) of being connected with the frame, the upper end of lifting hook two (8) is passed between two spout (19) and is connected with the frame.

8. The blasting pipeline exhaust dust removal device of claim 7, wherein: still be provided with actuating mechanism on slide rail (4), actuating mechanism includes motor (26) and lead screw (25), motor (26) fixed connection is in the one end of slide rail (4), motor (26) are located the holding tank and the spiro union passes the frame.