CN218844348U

CN218844348U - Tunnel construction ventilation dust collector

Info

Publication number: CN218844348U
Application number: CN202223123715.5U
Authority: CN
Inventors: 夏双红; 王洪毅; 陈嘉威; 闫兴; 张龙; 何远华; 卢旭辉; 党新峰; 杨陆洋; 周文凯
Original assignee: China Railway Construction Engineering Group Co Ltd; Beijing Road and Bridge Branch of China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd; Beijing Road and Bridge Branch of China Railway Construction Engineering Group Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-11
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a tunnel construction ventilation dust collector, including the wind barrel group, its structural feature is, wind barrel group arranges the setting along the length direction of tunnel equidistant, every wind barrel group all includes bow member and wind barrel, connect through the lifting rope between wind barrel and the bow member, connect with the series connection rope between the lifting rope on every two adjacent wind barrel groups, the series connection rope is located the top of bow member, connect through the bellows between the wind barrel on every two adjacent wind barrel groups; compared with the prior art, the beneficial effects of the utility model are that: will blow to the tunnel outward through the blower fan, the air in the tunnel flows outwards in by the dryer body this moment, makes the interior negative pressure that forms of tunnel, and the air that is located the tunnel outside flows into to the tunnel in by the space between dryer body and the tunnel, so can form the flow of air in the tunnel.

Description

Tunnel construction ventilation dust collector

Technical Field

The utility model belongs to ventilation dust collecting equipment field, concretely relates to a ventilation dust collector for tunnel construction.

Background

In the tunnel excavation construction process, the air circulation in the tunnel is small, and in addition, the tunneling process can produce large dust, in order to ensure the health and personal safety of constructors, ventilation needs to be carried out in the construction tunnel in time, the ventilation mode generally adopts natural ventilation or air duct type ventilation, however, the natural ventilation is greatly influenced by weather and wind direction, so the air duct type ventilation is mostly adopted, and the dust in the tunnel is discharged through the flowing of air.

Among the prior art, a tunnel construction ventilation unit is disclosed, application number: 201910530308X, it is through being provided with a plurality of auxiliary blowers, makes the wind energy that the induced air device led to in the tunnel by the tunnel depths, and the induced air device, auxiliary blower and hush pipe are connected with the fixing base also through the left semicircle ring, right semicircle ring clamp and link together, and left semicircle ring, right semicircle ring are controllable also, therefore induced air device, auxiliary blower and hush pipe are connected with the fixing base also for the mountable dismantlement is connected, it is more convenient to use.

However, in the above-described technology, since the fixing device is provided below the air inducing device and the sub-fan, the position of the fixing device does not change regardless of the height to which the air inducing device, the hose, and the sub-fan are raised as a whole, and the fixing device becomes a discharge obstacle for excavated soil and crushed stones during tunneling, which affects the construction efficiency.

Disclosure of Invention

For solving above-mentioned technical problem, this application provides one kind can be to stable ventilation in the tunnel and can not influence the exhaust ventilation dust collector that digs.

For realizing above-mentioned purpose, the utility model discloses a technical scheme be, a tunnel construction ventilation dust collector, including the dryer group, its structural feature is, the dryer group is along the equidistant range setting of length direction in tunnel, every dryer group all includes bow member and barrel, be connected through the lifting rope between barrel and the bow member, all be connected with the series connection rope between the lifting rope on every two adjacent dryer groups, the series connection rope is located the top of bow member, connect through the bellows between the barrel on every two adjacent dryer groups, be provided with blast fan and control frame on the dryer group that is located construction position department in the tunnel, the blast fan is located the barrel, the control frame is articulated with the bow member, the control frame is connected with the upper end of lifting rope, when the control frame upset, drive lifting rope rebound.

Further, the control frame comprises an arc-shaped rod, a turning rope is connected between the middle position of the arc-shaped rod and the upper end of the lifting rope, the end portion of the arc-shaped rod is hinged to the arch frame, a push rod is connected between the arc-shaped rod and the arch frame, and the arc-shaped rod is controlled to turn downwards when the push rod extends.

Furthermore, the pushing rod comprises an electric push rod, a baffle plate is fixed to the upper end of the electric push rod, the baffle plate is fixed to the arch frame, an included angle formed by the electric push rod and a vertical plane where the arch frame is located is an acute angle, a flat baffle rod is fixed to the lower end of the electric push rod, and the flat baffle rod is located between the arc rod and the arch frame.

Further, be provided with the layer board that is located the below of wind barrel on the arched frame, the layer board carries out vertical removal along with the wind barrel, and the intermediate position of layer board is provided with rotatable saucer, is provided with on the saucer and carries out spacing centre gripping group to the dryer body.

Further, centre gripping group is including the upright splint that are located the both sides of wind barrel, and the lower extreme matching of upright splint has the slide of setting on the saucer, is connected with the tight device that draws between two upright splint, and the upper end of every upright splint all is fixed with the cardboard that is located the top of wind barrel.

Furthermore, a flat hanging plate is fixed at the upper end of the lifting rope, and a middle hanging ring is fixed on the flat hanging plate.

Furthermore, a supporting arm is arranged on the arch frame, a supporting plate is fixed at the tail end of the supporting arm, and the supporting arm controls the supporting plate to be in close contact with the inner wall of the tunnel.

Compared with the prior art, the beneficial effects of the utility model are that: will blow to the tunnel through the blower fan outward, the air in the tunnel flows outwards by the dryer body this moment, make the interior negative pressure that forms of tunnel, the air that is located the tunnel outside flows into to the tunnel by the space between dryer body and the tunnel in, so can form the flow of air in the tunnel, and flow the in-process and take out to the tunnel outside with the dust that is located the tunnel, and when needs will dig soil and outwards discharge, control wind barrel rebound, form the space that can supply the shallow to shift out between wind barrel and the ground this moment, avoid forming and dig soil and discharge the obstacle.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of the air duct assembly of the present invention;

FIG. 3 is a schematic view of the connection between the control frame and the arch frame of the present invention;

FIG. 4 is a schematic view of the arc rod structure of the present invention;

FIG. 5 is a schematic view of the connection between the electric push rod and the flat stop rod of the present invention;

FIG. 6 is a schematic structural view of the flat hanger plate of the present invention;

the device comprises an arch frame 1, a wind barrel 2, a support arm 3, a support plate 4, a seat plate 5, a lifting rope 6, a serial rope 7, a corrugated pipe 8, a control frame 9, an arc rod 10, a turning rope 11, a stop plate 12, an electric push rod 13, a flat stop rod 14, a support plate 15, a cushion plate 16, a vertical clamping plate 17, a tensioning device 18, a clamping plate 19, a flat hanging plate 20 and a middle hanging ring 21.

Detailed Description

The technical solution 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 only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 5, a tunnel construction ventilation dust removing device comprises wind barrel groups, the wind barrel groups are arranged at equal intervals along the length direction of a tunnel, the innermost wind and the innermost wind are located at the construction position in the tunnel, the outermost wind barrel group is located at the tunnel opening, other wind barrel groups are arranged in the tunnel, each wind barrel group comprises an arch frame 1 and a wind barrel body 2, the arch frame 1 is provided with a supporting arm 3, the supporting arm 3 is of an electric telescopic structure, the tail end of the supporting arm 3 is fixedly provided with a supporting plate 4, the supporting arm 3 controls the supporting plate 4 to be in close contact with the inner wall of the tunnel, the arch frame 1 comprises an arc arch mandril and side supporting rods, the arc arch mandril is fixed with the lower end of the supporting arm 3, the side supporting rods are two, each side supporting rod is fixed at the end of the arc arch mandril, the lower end of each side supporting rod is fixedly provided with a seat disk 5, and the seat disks 5 can be connected with the ground in the tunnel, at the moment, the position of the arch frame 1 is locked, the wind barrel bodies 2 are connected with the arch frame 1 through the lifting ropes 6, the upper ends of the lifting ropes 6 penetrate through the arch frame 1, when the upper ends of the lifting ropes 6 are subjected to upward lifting forces, the lifting ropes 6 move upwards along with the upward lifting forces, the wind barrel bodies 2 are lifted at the moment, the series ropes 7 are connected between the lifting ropes 6 on every two adjacent wind barrel groups, the series ropes 7 are positioned above the arch frame 1, when the lifting ropes 6 on the wind barrel groups at the end positions move upwards, the wind barrel bodies 2 on other wind barrel groups move upwards along with the upward lifting ropes, the wind barrel bodies 2 on every two adjacent wind barrel groups are connected through the corrugated pipes 8, the wind barrel groups at the construction positions in the tunnel are provided with the blast fans and the control frames 9, the blast fans are positioned in the wind barrel bodies 2 on the wind barrel groups at the construction positions in the tunnel, and blow to the outside of the tunnel through the wind barrel bodies 2, at the moment, air in the tunnel flows outwards from the air cylinder body 2, negative pressure is formed in the tunnel, the air outside the tunnel flows into the tunnel from the space between the air cylinder body 2 and the tunnel, so that the air flows in the tunnel, dust in the tunnel is brought out of the tunnel in the flowing process, when excavated soil or broken stones are required to be transported out, the control frame 9 is hinged to the arch frame 1, the control frame 9 is connected with the upper end of the lifting rope 6, the lifting rope 6 can be driven to move upwards when the control frame 9 is turned, and the series ropes 7 are connected between the lifting ropes 6 on every two adjacent air cylinder groups, so that the air cylinder body 2 on each air cylinder group moves upwards at the moment, a space for the cart to move out is formed below the air cylinder body 2, and the excavated soil discharge obstacles are prevented from being formed.

Wherein the control frame 9 comprises an arc-shaped rod 10, a turning rope 11 is connected between the middle position of the arc-shaped rod 10 and the upper end of the lifting rope 6, the end part of the arc-shaped rod 10 is hinged with the arch-shaped frame 1, a push rod is connected between the arc-shaped rod 10 and the arch-shaped frame 1, the push rod 10 is controlled to turn downwards when extending, when the arc-shaped rod 10 turns downwards, the turning rope 11 applies upward lifting force to the upper end of the lifting rope 6, so as to drive the series rope 7 to move along the length direction of the tunnel, at the moment, the air duct body 2 moves upwards, specifically, the push rod comprises an electric push rod 13, the upper end of which is fixed with a baffle plate 12, the baffle plate 12 is fixed with the arch-shaped frame 1, and the baffle plate 12 is in a horizontal state, and electric putter 13 is the tilt state, electric putter 13 is located the below of fender position board 12, the contained angle that electric putter 13 and arch-shaped frame 1 place formed is the acute angle, electric putter 13's lower extreme is fixed with flat pin 14, flat pin 14 is located between arc pole 10 and arch-shaped frame 1, when electric putter 13 extends, flat pin 14 removes along with it, flat pin 14 pushes arc pole 10 this moment, thereby make arc pole 10 overturn, control the barrel 2 upwards to move this moment, and when accomplishing the work of soil excavation discharge, through electric putter 13's shrink, make flat pin 14 reset, at this moment under the action of gravity of barrel 2, make arc pole 10 upwards overturn and reset.

Wherein, the arch frame 1 is provided with a supporting plate 15 positioned below the wind cylinder 2, the supporting plate 15 moves vertically along with the wind cylinder 2, the side position supporting rod on the arch frame 1 is provided with a vertical sliding groove, the end part of the supporting plate 15 is matched in the vertical sliding groove, the supporting plate 15 can move to contact with the ground, the middle position of the supporting plate 15 is provided with a rotatable pad 16, the pad 16 is provided with a clamping group for limiting the wind cylinder 2, the pad 16 is connected with the supporting plate 15 through a central shaft rod, the pad 16 is provided with a locking screw rod, the locking screw rod penetrates the pad 16 and when the locking screw rod is screwed tightly, the lower end of the locking screw rod is tightly contacted with the supporting plate 15, at this time, the locking of the cushion disc 16 is formed, before the cushion disc 16 is locked, the cushion disc 16 can be rotated to adjust the angle between the plane where the air duct body 2 and the arch frame 1 are located, so that the air duct is not limited to be used in a straight tunnel, wherein when limiting the wind barrel body 2, the clamping group comprises vertical clamping plates 17 positioned at two sides of the wind barrel body 2, the lower ends of the vertical clamping plates 17 are matched with a slide way arranged on a pad disc 16, the slide way extends along the radial direction of the pad disc 16, a tension device 18 is connected between the two vertical clamping plates 17, the tension device 18 is a tension spring which resets after being stretched, the tension device 18 can also adopt a rope body with stretching elasticity, after the two vertical clamping plates 17 are pulled apart outwards for a certain distance, the tensioning device 18 generates restoring force, at the moment, the two vertical clamping plates 17 are promoted to clamp the air duct body 2, and the upper end of each vertical clamping plate 17 is fixed with a clamping plate 19 positioned above the air cylinder body 2, the clamping plates 19 on the two vertical clamping plates 17 are connected through bolts, so that the air cylinder body 2 can be prevented from being separated from the vertical clamping plates 17, and when the air cylinder body 2 moves upwards, the supporting plate 15 moves upwards along with the air cylinder body.

Referring to the soil 6, in order to facilitate the connection of the lifting ropes 6 on the two adjacent air duct groups, a flat hanging plate 20 is fixed at the upper end of each lifting rope 6, an intermediate hanging ring 21 is fixed on each flat hanging plate 20, and the intermediate hanging ring 21 can be connected with the serial ropes 7 and the turning ropes 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tunnel construction ventilation dust collector, includes the wind section of thick bamboo group, its characterized in that: the equidistant range of length direction along the tunnel of dryer group set up, every dryer group all includes arch frame and wind barrel, be connected through the lifting rope between wind barrel and the arch frame, all be connected with the series connection rope between the lifting rope on every two adjacent dryer groups, the series connection rope is located the top of arch frame, connect through the bellows between the wind barrel on every two adjacent dryer groups, be provided with blast fan and control frame on the wind barrel group that is located construction position department in the tunnel, the blast fan is located the wind barrel, the control frame is articulated with the arch frame, the control frame is connected with the upper end of lifting rope, when the control frame upset, drive the lifting rope rebound.

2. The ventilation and dust removal device for tunnel construction according to claim 1, wherein: the control frame comprises an arc-shaped rod, a turning rope is connected between the middle position of the arc-shaped rod and the upper end of the lifting rope, the end part of the arc-shaped rod is hinged with the arch frame, a push rod is connected between the arc-shaped rod and the arch frame, and the arc-shaped rod is controlled to turn downwards when the push rod extends.

3. The ventilation and dust removal device for tunnel construction according to claim 2, wherein: the push rod comprises an electric push rod, the upper end of the electric push rod is fixed with a baffle plate, the baffle plate is fixed with the arch frame, an included angle formed by the electric push rod and a vertical plane where the arch frame is located is an acute angle, the lower end of the electric push rod is fixed with a flat baffle rod, and the flat baffle rod is located between the arc rod and the arch frame.

4. The ventilation and dust removal device for tunnel construction as claimed in claim 1, wherein: the air duct body is characterized in that a supporting plate located below the air duct body is arranged on the arch frame, the supporting plate vertically moves along with the air duct body, a rotatable cushion disc is arranged at the middle position of the supporting plate, and a clamping group for limiting the air duct body is arranged on the cushion disc.

5. The ventilation and dust removal device for tunnel construction according to claim 4, wherein: the clamping group comprises vertical clamping plates located on two sides of the wind cylinder body, the lower ends of the vertical clamping plates are matched with a slide rail arranged on the pad disc, a tensioning device is connected between the two vertical clamping plates, and the upper end of each vertical clamping plate is fixedly provided with a clamping plate located above the wind cylinder body.

6. The ventilation and dust removal device for tunnel construction as claimed in claim 1, wherein: the upper end of the lifting rope is fixed with a flat hanging plate, and a middle hanging ring is fixed on the flat hanging plate.

7. The ventilation and dust removal device for tunnel construction according to claim 1, wherein: the arch frame is provided with a supporting arm, the tail end of the supporting arm is fixedly provided with a supporting plate, and the supporting arm controls the supporting plate to be in close contact with the inner wall of the tunnel.