阅读说明：本技术 隧道用换气系统 (Ventilation system for tunnel ) 是由 王贵珍 李红立 邹娟娟 于 2020-05-29 设计创作，主要内容包括：本发明涉及通风设备技术领域。公开了隧道用换气系统,包括两侧开口的箱体,箱体内从左至右依次设有抽风机、除尘机构、过滤层,除尘机构包括固接在箱体内壁的槽座、与槽座滑动连接的管道、与管道外滑动连接的升降块、带动升降块竖向往复运动的动力部和随升降块竖向移动而启闭的活动门,槽座上设有用于收集升降块刮除管道外壁灰尘的环槽,活动门位于抽风机与槽座之间；箱体的侧壁上设有侧口和用于密封侧口的密封板,且密封板与侧口可拆卸连接。本方案主要解决了现有换气装置不能处理隧道内空气中的灰尘,导致排出的空气污染大自然的问题。(The invention relates to the technical field of ventilation equipment. The air exchange system for the tunnel comprises a box body with openings at two sides, wherein an exhaust fan, a dust removal mechanism and a filter layer are sequentially arranged in the box body from left to right, the dust removal mechanism comprises a groove seat fixedly connected to the inner wall of the box body, a pipeline in sliding connection with the groove seat, a lifting block in sliding connection with the outside of the pipeline, a power part driving the lifting block to vertically reciprocate and a movable door which is opened and closed along with the vertical movement of the lifting block, an annular groove used for collecting dust on the outer wall of the pipeline scraped by the lifting block is arranged on the groove seat, and the movable door is positioned between the exhaust fan and the; the side wall of the box body is provided with a side opening and a sealing plate used for sealing the side opening, and the sealing plate is detachably connected with the side opening. This scheme has mainly solved current breather and can not handle the dust in the air in the tunnel, leads to the problem of exhaust air pollution nature.)

1. Ventilation system for tunnel, its characterized in that: the dust removal device comprises a box body with openings at two sides, wherein an exhaust fan, a dust removal mechanism and a filter layer are sequentially arranged in the box body from left to right, the dust removal mechanism comprises a groove seat fixedly connected to the inner wall of the box body, a pipeline in sliding connection with the groove seat, a lifting block in sliding connection with the outside of the pipeline, a power part for driving the lifting block to vertically reciprocate and a movable door which is opened and closed along with the vertical movement of the lifting block, an annular groove for collecting dust on the outer wall of the pipeline scraped by the lifting block is arranged on the groove seat, and the movable door is positioned between the exhaust fan and the; the side wall of the box body is provided with a side opening and a sealing plate used for sealing the side opening, and the sealing plate is detachably connected with the side opening.

2. The ventilation system for a tunnel according to claim 1, wherein: the power part comprises a first rotating shaft and a second rotating shaft which are rotatably connected with the box body and a motor fixedly connected on the inner wall of the box body, and the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the filter layer; the pipeline is positioned between the first rotating shaft and the second rotating shaft and is respectively and vertically arranged with the first rotating shaft and the second rotating shaft; a torsion spring is arranged between the first rotating shaft and the box body, a first steel wire rope wound on the first rotating shaft is fixedly connected to the first rotating shaft, and the first steel wire rope is fixedly connected with the top of the lifting block; the first gear and a second steel wire rope wound on the second rotating shaft are fixedly connected to the second rotating shaft, and the second steel wire rope is detachably connected with the bottom of the lifting block; the height of the pipeline is smaller than the distance between the groove seat and the first rotating shaft; and the output shaft of the motor is fixedly connected with a sector gear meshed with the first gear.

3. The ventilation system for a tunnel according to claim 2, wherein: hanging rings are arranged on two sides of the lifting block, and a hook is arranged at the free end of the second steel wire rope.

4. The ventilation system for a tunnel according to claim 3, wherein: a bottom groove is formed in the bottom of the lifting block, and the width of the bottom groove is gradually enlarged from top to bottom; the bottom of the lifting block is in clearance fit with the annular groove.

5. The ventilation system for a tunnel according to claim 4, wherein: the inner wall of the ring groove is provided with a sponge block which is used for extending into the bottom groove, and the sponge block is positioned on the motion trail of the bottom of the lifting block.

6. The ventilation system for a tunnel according to claim 5, wherein: a water tank and a sponge layer are arranged in the pipeline, and the water tank is positioned above the sponge layer; the top of the water tank is provided with a top opening and a sealing cover for sealing the top opening, and the sealing cover is detachably connected with the top opening; a cotton rope is arranged at the top of the sponge layer and penetrates through the sealing cover to extend into the water tank; the pipeline is provided with a plurality of through holes, the sponge layer is provided with a plurality of sponge protrusions, the sponge protrusions are attached to the inner walls of the through holes, and the free ends of the sponge protrusions are flush with the outer wall of the pipeline.

7. The ventilation system for a tunnel according to claim 6, wherein: the movable door comprises a partition plate and a fixed block which are fixedly connected in the box body, the partition plate is provided with an air inlet, and the first rotating shaft and the second rotating shaft are both rotatably connected with the partition plate; the top of the fixed block is provided with a vertical groove, a rack is connected in the vertical groove in a sliding mode, a spring is arranged between the rack and the vertical groove, and the top of the rack is provided with a baffle plate used for sealing the air inlet; and a second gear meshed with the rack is fixedly connected to the second rotating shaft.

8. The ventilation system for a tunnel according to claim 7, wherein: the width of the air inlet is gradually reduced from left to right.

9. The ventilation system for a tunnel according to claim 8, wherein: the box includes front box section and back box section, front box section can dismantle with the back box section and be connected, the air exhauster is located the front box section.

10. The ventilation system for a tunnel according to claim 9, wherein: handles are arranged on the sealing cover and the sealing plate.

Technical Field

The invention relates to the technical field of ventilation equipment.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel.

At present, a tunnel continuously extends to a mountainous heavy hill area, and the number and scale of the tunnel are continuously increased; in the process of tunnel construction, a ventilation device is usually used for ventilating the interior of a tunnel, so that dust in air is mainly removed, the air quality in the tunnel is further improved, and normal construction of constructors is guaranteed; in the actual use process, the existing ventilation device is simple, only air in the tunnel can be discharged, and dust in the air cannot be treated, so that the discharged air can pollute the nature.

Disclosure of Invention

The invention aims to provide a ventilation system for a tunnel, which aims to solve the problem that the discharged air pollutes the nature because the conventional ventilation device cannot treat dust in the air in the tunnel.

In order to achieve the above object, the basic scheme of the invention is as follows: the tunnel ventilation system comprises a box body with openings at two sides, wherein an exhaust fan, a dust removal mechanism and a filter layer are sequentially arranged in the box body from left to right, the dust removal mechanism comprises a groove seat fixedly connected to the inner wall of the box body, a pipeline in sliding connection with the groove seat, a lifting block in sliding connection with the outside of the pipeline, a power part for driving the lifting block to vertically reciprocate and a movable door which is opened and closed along with the vertical movement of the lifting block, an annular groove for collecting dust on the outer wall of the pipeline scraped by the lifting block is arranged on the groove seat, and the movable door is positioned between the exhaust fan and the groove seat; the side wall of the box body is provided with a side opening and a sealing plate used for sealing the side opening, and the sealing plate is detachably connected with the side opening.

The advantages of the basic scheme are:

1. according to the scheme, the exhaust fan and the motor are started, the exhaust fan sucks air in the tunnel into the box body, the air flows rightwards through the air inlet, the air flow can be divided through the pipeline, part of dust in the air can be adhered to the outer wall of the pipeline, the air flow continues to move rightwards, and the rest dust in the air can be filtered through the filter layer, so that the air passing through the filter layer is purer, compared with the prior art, the air exhausted by the scheme cannot pollute the nature, and the environment is protected; and, through taking out the air that has the dust and leaving and discharging the tunnel for fresh air gets into in the tunnel, improves constructor operational environment's air quality.

2. According to the scheme, the vertical reciprocating movement of the lifting block can be realized through the power part, so that dust on the outer wall of the pipeline is scraped through the lifting block and pushed into the annular groove for collection; in addition, clear water can be added into the annular groove, so that the dust collecting effect is improved.

3. According to the scheme, the lifting block can also drive the movable door to open and close through vertical movement, and when the movable door is opened, air in the tunnel can be introduced into the pipeline; when the movable door is closed, the lifting block can move vertically to scrape off dust, so that the dust is prevented from flying, and the dust collecting effect is improved.

4. This scheme lateral wall is provided with the side mouth and is used for the closing plate of sealed side mouth, makes things convenient for the dust in clean processing pipeline outer wall and the annular.

Further, the power part comprises a first rotating shaft and a second rotating shaft which are rotatably connected with the box body and a motor fixedly connected to the inner wall of the box body, and the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the filter layer; the pipeline is positioned between the first rotating shaft and the second rotating shaft and is respectively and vertically arranged with the first rotating shaft and the second rotating shaft; a torsion spring is arranged between the first rotating shaft and the box body, a first steel wire rope wound on the first rotating shaft is fixedly connected to the first rotating shaft, and the first steel wire rope is fixedly connected with the top of the lifting block; the first gear and a second steel wire rope wound on the second rotating shaft are fixedly connected to the second rotating shaft, and the second steel wire rope is detachably connected with the bottom of the lifting block; the height of the pipeline is smaller than the distance between the groove seat and the first rotating shaft; and the output shaft of the motor is fixedly connected with a sector gear meshed with the first gear.

Through the arrangement, the output shaft of the motor drives the sector gear to rotate, so that the sector gear is intermittently meshed with the first gear; when the sector gear is meshed with the first gear, the first gear rotates anticlockwise so as to drive the second rotating shaft to rotate anticlockwise; the second pivot rotates and makes the winding of second wire rope in the second pivot, and then through second wire rope pulling elevator downstream, simultaneously, the first wire rope of elevator pulling downstream, because first wire rope winding is in first pivot, and then drives first pivot anticlockwise rotation, the deformation takes place for the torsional spring.

When the sector gear is not meshed with the first gear, the acting force of the first rotating shaft on the torsion spring disappears; the torsional spring drives the first rotating shaft to rotate clockwise, the first steel wire rope is wound on the first rotating shaft, the lifting block is driven to move upwards through the first steel wire rope, the lifting block also moves upwards at the second steel wire rope, and the second rotating shaft rotates clockwise due to the fact that the second steel wire rope is wound on the second rotating shaft, so that the second rotating shaft is reset, and next work is waited.

Furthermore, hanging rings are arranged on two sides of the lifting block, and a hook is arranged at the free end of the second steel wire rope.

Through the arrangement, the hook is hung on the hanging ring, so that the connection between the lifting block and the second steel wire rope is realized, and the structure is simple and practical.

Further, the bottom of the lifting block is provided with a bottom groove, and the width of the bottom groove is gradually enlarged from top to bottom; the bottom of the lifting block is in clearance fit with the annular groove.

Through the arrangement, the bottom groove can play a role in temporarily collecting and collecting dust, so that the dust is prevented from being raised outwards.

Further, be equipped with the sponge piece that is used for stretching into the kerve on the inner wall of annular, and the sponge piece is located the movement track of elevator bottom.

Through the arrangement, clear water is filled in the annular groove, and the sponge block is contacted with the clear water, so that the sponge block has moisture; the bottom of the lifting block extends into the annular groove, and the sponge block is used for cleaning dust in the bottom groove and collecting the dust into the annular groove; moreover, because the sponge block has moisture, the bottom of the lifting block is stained with the moisture through the contact of the sponge block and the bottom of the lifting block; when going up and down to move upwards, can be with moisture adhesion on the outer wall of pipeline, and then let on the outer wall of the more adhesion pipeline of dust, and then strengthen the collection effect to the dust.

Further, a water tank and a sponge layer are arranged in the pipeline, and the water tank is positioned above the sponge layer; the top of the water tank is provided with a top opening and a sealing cover for sealing the top opening, and the sealing cover is detachably connected with the top opening; a cotton rope is arranged at the top of the sponge layer and penetrates through the sealing cover to extend into the water tank; the pipeline is provided with a plurality of through holes, the sponge layer is provided with a plurality of sponge protrusions, the sponge protrusions are attached to the inner walls of the through holes, and the free ends of the sponge protrusions are flush with the outer wall of the pipeline.

Through the arrangement, the sealing cover is taken down from the top opening, sufficient water is added into the water tank, and then the sealing cover and the opening are connected, so that the cotton rope extends into the water in the water tank; because the cotton rope is connected with the sponge layer for the sponge layer remains moisture throughout, and the sponge layer transmits moisture to the sponge arch, makes the sponge arch also have moisture.

Because the sponge bulge has moisture, the dust on the sponge bulge also has moisture, so when the lifting block scrapes off the dust on the outer wall of the pipeline, the dust with the moisture is converged with the common dust, and the flying of the dust can be avoided.

Further, the movable door comprises a partition plate and a fixed block which are fixedly connected in the box body, the partition plate is provided with an air inlet, and the first rotating shaft and the second rotating shaft are both rotatably connected with the partition plate; the top of the fixed block is provided with a vertical groove, a rack is connected in the vertical groove in a sliding mode, a spring is arranged between the rack and the vertical groove, and the top of the rack is provided with a baffle plate used for sealing the air inlet; and a second gear meshed with the rack is fixedly connected to the second rotating shaft.

Through the arrangement, the second rotating shaft drives the second gear to rotate anticlockwise, the second gear drives the rack to move upwards, the rack drives the baffle to move upwards, and the spring is stretched; the air inlet is sealed through the baffle, and then the scraping effect of the lifting block on dust on the outer wall of the pipeline is guaranteed.

Further, the width of the air inlet is gradually reduced from left to right.

Through the arrangement, the air quantity entering the right side of the partition plate is increased through the air inlet, and the dust removing efficiency of the air is improved.

Further, the box includes front box section and back box section, front box section can dismantle with the back box section and be connected, the air exhauster is located the front box section.

Through the arrangement, after the front box section and the rear box section are split, the front box section and the rear box section are convenient to clean respectively, and the next better use is facilitated.

Further, handles are arranged on the sealing cover and the sealing plate.

Through the arrangement, the sealing cover and the sealing plate are taken by the handle, so that the design is more humanized, and the operation is more convenient.

Drawings

FIG. 1 is a front view of a ventilation system for tunnel according to a first embodiment of the present invention

FIG. 2 is a cross-sectional view of FIG. 1;

figure 3 is a cross-sectional view of a pipe placed in a bowl.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a box body 1, an exhaust fan 2, a filter layer 3, a groove seat 4, a pipeline 5, a lifting block 6, a ring groove 7, a sealing plate 8, a first rotating shaft 9, a second rotating shaft 10, a motor 11, a first steel wire rope 12, a first gear 13, a second steel wire rope 14, a sector gear 15, a hanging ring 16, a bottom groove 17, a sponge block 18, a water tank 19, a cotton rope 20, a sponge bulge 21, a partition plate 22, a fixing block 23, an air inlet 24, a rack 25, a spring 26, a baffle plate 27 and a second gear 28.