Ventilation device for rail transit tunnel

Abstract

The utility model relates to the field of ventilation devices, in particular to a ventilation device for a rail transit tunnel, which comprises a first pipeline, a second pipeline, a U-shaped mounting frame and a dustproof plate, a second pipeline used for being assembled with the first pipeline is arranged on one side of the first pipeline, and a dustproof plate used for preventing sundries from entering the first pipeline is arranged on the side, away from the second pipeline, of the first pipeline. The first pipeline and the second pipeline are connected in a positioning mode and then fixedly assembled, then the dustproof plate is installed on the first pipeline, then the U-shaped installation frame drives the first pipeline and the second pipeline to be installed at the proper positions of the inner wall of the tunnel, and therefore the dustproof device can be used, and after the dustproof device is used for a period of time, the connecting part can be detached. According to the method, all parts of the ventilation device can be conveniently and thoroughly cleaned, the situation that the ventilation efficiency is reduced due to the problems of dust accumulation and the like is avoided, and it is guaranteed that a good ventilation state is always kept in the tunnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to ventilation device field especially relates to ventilation device for rail transit tunnel. BACKGROUND

[0002] Rail transit tunnel refers to in the city rail transit system, train driving process sometimes needs to pass through tunnel structure, needs to install ventilation device in the tunnel, realizes the ventilation of tunnel and outside, for example, jet fan, usually hoists interval tunnel top, side or landing installation in tunnel side, structure built-in motor, shaft connection transmission, blade shutdown adjustable, two ends generally are equipped with tubular muffler, it air volume is big, wind speed is high, standard thrust is in 1000-2000N, also has the function of 250 DEG C high temperature resistant 1 hour continuous operation, is used for strengthening or weakening the ventilation in certain section tunnel.

[0003] The existing ventilation device mostly adopts integrated structure, in the long time use process, will have a large amount of dust accumulation on the component in the device inside, if the device is inconvenient to disassemble and clean, will make the performance of fan decline, cannot reach the designed ventilation effect, further influence the air circulation and ventilation efficiency in the tunnel, and the accumulated dust can breed bacteria, mould and other microorganisms, these microorganisms can spread along with the air, further deteriorate the air quality in the tunnel, constitutes the threat to human health.

[0004] Therefore, in view of the above existing ventilation device in the use process, will have a large amount of dust accumulation on the component in the device inside, does not clean in time, will reduce the ventilation effect of device, and the accumulated dust spreads along with the air, will constitute the threat to human health, can design ventilation device for rail transit tunnel, adopts the ventilation structure of detachable, improves the ventilation effect of device. CONTENT OF UTILITY MODEL

[0005] In order to overcome the existing ventilation device in the use process, will have a large amount of dust accumulation on the component in the device inside, does not clean in time, will reduce the ventilation effect of device, and the accumulated dust spreads along with the air, will constitute the threat to human health.

[0006] The technical solution of this utility model is as follows: a ventilation device for rail transit tunnels, including a first pipe, a second pipe, a U-shaped mounting bracket, and a dustproof plate; a second pipe is provided on one side of the first pipe for assembly with the first pipe; both the first and second pipes are equipped with U-shaped mounting brackets; a dustproof plate is provided on the side of the first pipe away from the second pipe to prevent debris from entering the first pipe; an arc-shaped snap-fit ​​groove is formed around the inner wall of the side of the first pipe where the dustproof plate is installed; a first annular snap-fit ​​plate is installed on the inner wall of the side of the first pipe away from the dustproof plate; an annular snap-fit ​​groove is formed on the inner wall of one side of the second pipe; a second annular snap-fit ​​plate is installed on the inner wall of the side of the second pipe away from the annular snap-fit ​​groove; the second annular snap-fit ​​plate drives a set of second pipes to be positioned and connected to the other set of second pipes along the annular snap-fit ​​groove; the first annular snap-fit ​​plate drives the first pipe to be positioned and connected to the second pipe along the annular snap-fit ​​groove; multiple sets of arc-shaped snap-fit ​​blocks are installed around the outside of the dustproof plate, and the arc-shaped snap-fit ​​blocks are positioned and connected to the first pipe along the arc-shaped snap-fit ​​groove.

[0007] Furthermore, a first annular mounting plate is fitted around the outside of the first pipe on the side away from the dustproof plate, and mounting studs are threaded around the first annular mounting plate, with mounting nuts fitted around both ends of the mounting studs.

[0008] Furthermore, a rotating ring is provided in the middle of the inner side of the first pipe, and four sets of support frames fixedly connected to the first pipe are installed around the outside of the rotating ring. A drive motor is installed on one side of the rotating ring, and a rotating shaft is fitted inside the rotating ring.

[0009] Furthermore, a square snap-fit ​​groove is provided on the side of the rotating shaft away from the rotating ring sleeve, and a connecting block is provided on the side of the rotating shaft away from the rotating ring sleeve. A square snap-fit ​​block is installed on one side of the connecting block, and multiple sets of fan blades are installed around the outside of the connecting block. The square snap-fit ​​block drives the connecting block to be positioned and snapped with the rotating shaft through the square snap-fit ​​groove.

[0010] Furthermore, a second annular mounting plate is fitted on the outside of each side of the second pipe.

[0011] Furthermore, the bottom of the U-shaped mounting bracket has multiple sets of mounting holes spaced horizontally.

[0012] Furthermore, a dustproof net is provided on one side of the dustproof plate and is fixedly connected to the arc-shaped snap-fit ​​block.

[0013] The utility model discloses a beneficial effect: first pipeline and second pipeline are positioned and connected, then fixed assembly is carried out, then dustproof board is installed to the first pipeline, then U type mounting bracket drives first pipeline and second pipeline to install to the suitable position of tunnel inner wall, can use, after using a period of time, can dismantle the connecting portion, clean the pipeline inner wall, by this method, can conveniently clean each component of ventilation device thoroughly, avoid the problem of dust and the like and cause the ventilation efficiency to drop, ensure that the tunnel is always kept in good ventilation state, provide fresh air, guarantee the air quality and comfort degree in the tunnel, and through periodical detachable cleaning, can remove these dusts in time, reduce the abrasion of component, thereby prolong the overall service life of ventilation device, reduce equipment replacement and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the first annular mounting plate structure schematic diagram of the utility model;

[0016] Figure 3 It is the fan structure schematic diagram of the utility model;

[0017] Figure 4 It is the second annular clamping plate structure schematic diagram of the utility model;

[0018] Figure 5 It is the dust screen structure schematic diagram of the utility model.

[0019] The drawing mark explanation: 1, first pipeline;2, second pipeline;3, U type mounting bracket;4, dustproof board;101, arc clamping groove;102, first annular mounting plate;103, mounting stud;104, mounting nut;105, first annular clamping plate;106, rotating ring cover;107, drive motor;108, support frame;109, rotating shaft;110, square clamping groove;111, connecting block;112, square clamping block;113, fan blade;201, second annular mounting plate;202, annular clamping groove;203, second annular clamping plate;301, mounting hole;401, dust screen;402, arc clamping block. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Example 1

[0022] As Figures 1-5As shown, the rail transit tunnel ventilation device, including first pipeline 1, second pipeline 2, U-shaped mounting bracket 3 and dustproof plate 4; One side of first pipeline 1 is provided with second pipeline 2 for assembling with first pipeline 1, U-shaped mounting bracket 3 is installed outside first pipeline 1 and second pipeline 2, one side of first pipeline 1 away from second pipeline 2 is provided with dustproof plate 4 for preventing sundries entering first pipeline 1, arc-shaped clamping groove 101 is opened around the inner wall of one side of first pipeline 1 installed with dustproof plate 4, first annular clamping plate 105 is installed on the inner wall of one side of first pipeline 1 away from dustproof plate 4, annular clamping groove 202 is opened on the inner wall of one side of second pipeline 2, second annular clamping plate 203 is installed on the inner wall of one side of second pipeline 2 away from annular clamping groove 202, second annular clamping plate 203 drives a group of second pipeline 2 to be positioned and connected with annular clamping groove 202 on another group of second pipeline 2, first annular clamping plate 105 drives first pipeline 1 to be positioned and connected with second pipeline 2 along annular clamping groove 202, a plurality of arc-shaped clamping blocks 402 are installed outside dustproof plate 4, arc-shaped clamping blocks 402 are positioned and connected with first pipeline 1 along arc-shaped clamping groove 101.

[0023] First annular mounting plate 102 is sleeved outside one side of first pipeline 1 away from dustproof plate 4, mounting stud 103 is threaded through first annular mounting plate 102, mounting nut 104 is sleeved outside each end of mounting stud 103, mounting stud 103 is threaded through first annular mounting plate 102 and second annular mounting plate 201, and then mounting nut 104 is tightened and fixed.

[0024] Rotary ring 106 is arranged in the middle of the inner side of first pipeline 1, four groups of support frames 108 fixedly connected with first pipeline 1 are installed around the outer side of rotary ring 106, drive motor 107 is installed on one side of rotary ring 106, rotary shaft 109 is sleeved inside rotary ring 106, under the drive of drive motor 107, rotary shaft 109 drives connecting block 111 to rotate along rotary ring 106, so that fan blades 113 rotate to form wind power.

[0025] Square clamping groove 110 is opened on one side of rotary shaft 109 away from rotary ring 106, connecting block 111 is arranged on one side of rotary shaft 109 away from rotary ring 106, square clamping block 112 is installed on one side of connecting block 111, a plurality of fan blades 113 are installed around the outer side of connecting block 111, square clamping block 112 drives connecting block 111 to be positioned and clamped with rotary shaft 109 through square clamping groove 110.

[0026] Second annular mounting plate 201 is sleeved outside each side of second pipeline 2.

[0027] The bottom of the U-shaped mounting frame 3 is transversely spaced apart and provided with a plurality of groups of mounting holes 301. A bolt is passed through the mounting holes 301, so that the U-shaped mounting frame 3 drives the first pipeline 1 and the second pipeline 2 to be installed to a suitable position on the inner wall of the tunnel.

[0028] The dustproof plate 4 is provided with a dust screen 401 fixedly connected with an arc-shaped clamping block 402 on one side. The dust screen 401 can further block dust from entering the first pipeline 1 and the second pipeline 2.

[0029] First, the first pipeline 1 and the second pipeline 2 are placed in order. Then the first annular clamping plate 105 drives the first pipeline 1 to be positioned and connected with the second pipeline 2 along the annular clamping groove 202. At the same time, the first annular mounting plate 102 and the second annular mounting plate 201 are placed in close contact. Then the mounting stud 103 is passed through the first annular mounting plate 102 and the second annular mounting plate 201, and is then tightened and fixed by the mounting nut 104. Finally, according to the length required by the ventilation pipeline, the other second pipelines 2 can be removed. The second annular clamping plate 203 drives a group of second pipelines 2 to be positioned and connected with another group of second pipelines 2 along the annular clamping groove 202 on the other group of second pipelines 2. Then the above-mentioned steps of assembling and mounting the stud 103 are repeated.

[0030] After assembly is completed, the bolt is passed through the mounting hole 301, so that the U-shaped mounting frame 3 drives the first pipeline 1 and the second pipeline 2 to be installed to a suitable position on the inner wall of the tunnel, and use can be performed. Through the driving of the driving motor 107, the rotating shaft 109 drives the connecting block 111 to rotate along the rotating ring 106, so that the fan blade 113 rotates to form wind power, driving the airflow to pass through the first pipeline 1 and the second pipeline 2. In this process, the dustproof plate 4 can preliminarily block larger blade garbage and the like. Then the dust screen 401 can further block dust from entering the first pipeline 1 and the second pipeline 2.

[0031] During long-term use of the pipeline, small dust particles will inevitably enter the first pipeline 1 and the second pipeline 2. The connecting part can be periodically disassembled for cleaning of the inside. Then the dustproof plate 4 and the dust screen 401 are removed for cleaning of the impurities intercepted thereon, so as to avoid affecting the airflow passing through later. Then the connecting block 111 is removed for cleaning of the fan blade 113 to remove dust thereon. After all cleaning is completed, the connecting block 111 is first taken up. Then the square clamping block 112 drives the connecting block 111 to be positioned and clamped with the rotating shaft 109 through the square clamping groove 110. Then the arc-shaped clamping block 402 drives the dustproof plate 4 and the dust screen 401 to be positioned and connected with the first pipeline 1 along the arc-shaped clamping groove 101. Thus, use can be continued.

Claims

1. A ventilation device for rail transit tunnels, comprising a first duct (1); characterized in that: It also includes a second pipe (2), a U-shaped mounting bracket (3), and a dustproof plate (4); a second pipe (2) is provided on one side of the first pipe (1) for assembly with the first pipe (1), and a U-shaped mounting bracket (3) is installed on the outside of both the first pipe (1) and the second pipe (2). A dustproof plate (4) is provided on the side of the first pipe (1) away from the second pipe (2) to prevent debris from entering the first pipe (1). An arc-shaped snap-fit ​​groove (101) is opened around the inner wall of the side of the first pipe (1) where the dustproof plate (4) is installed. A first annular snap-fit ​​plate (105) is installed on the inner wall of the side of the first pipe (1) away from the dustproof plate (4). An annular snap-fit ​​groove (202) is provided on the inner wall. A second annular snap-fit ​​plate (203) is installed on the inner wall of the second pipe (2) away from the annular snap-fit ​​groove (202). The second annular snap-fit ​​plate (203) drives a set of second pipes (2) to be positioned and connected to the annular snap-fit ​​groove (202) on another set of second pipes (2). The first annular snap-fit ​​plate (105) drives the first pipe (1) to be positioned and connected to the second pipe (2) along the annular snap-fit ​​groove (202). Multiple sets of arc-shaped snap-fit ​​blocks (402) are installed around the outside of the dustproof plate (4). The arc-shaped snap-fit ​​blocks (402) are positioned and connected to the first pipe (1) along the arc-shaped snap-fit ​​groove (101).

2. The ventilation device for rail transit tunnels according to claim 1, characterized in that: The first pipe (1) is fitted with a first annular mounting plate (102) on the side away from the dustproof plate (4). Mounting studs (103) are wrapped around the first annular mounting plate (102). Mounting nuts (104) are fitted on both ends of the mounting studs (103).

3. The ventilation device for rail transit tunnels according to claim 1, characterized in that: The first pipe (1) has a rotating ring (106) in the middle of its inner side. Four sets of support frames (108) are fixedly connected to the first pipe (1) around the outside of the rotating ring (106). A drive motor (107) is installed on one side of the rotating ring (106). A rotating shaft (109) is fitted inside the rotating ring (106).

4. The ventilation device for rail transit tunnels according to claim 3, characterized in that: A square snap-fit ​​groove (110) is provided on the side of the rotating shaft (109) away from the rotating ring (106). A connecting block (111) is provided on the side of the rotating shaft (109) away from the rotating ring (106). A square snap-fit ​​block (112) is installed on the side of the connecting block (111). Multiple sets of fan blades (113) are installed around the outside of the connecting block (111). The square snap-fit ​​block (112) drives the connecting block (111) to be positioned and snapped with the rotating shaft (109) through the square snap-fit ​​groove (110).

5. The ventilation device for rail transit tunnels according to claim 1, characterized in that: The second pipe (2) has a second annular mounting plate (201) on each of its two outer sides.

6. The ventilation device for rail transit tunnels according to claim 1, characterized in that: The bottom of the U-shaped mounting bracket (3) has multiple sets of mounting holes (301) spaced horizontally.

7. The ventilation device for rail transit tunnels according to claim 1, characterized in that: A dustproof net (401) is provided on one side of the dustproof plate (4) and is fixedly connected to the arc-shaped snap-fit ​​block (402).

Images