CN220849741U - Pipe-jacking tunnel air supply device - Google Patents
Pipe-jacking tunnel air supply device Download PDFInfo
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- CN220849741U CN220849741U CN202322374574.2U CN202322374574U CN220849741U CN 220849741 U CN220849741 U CN 220849741U CN 202322374574 U CN202322374574 U CN 202322374574U CN 220849741 U CN220849741 U CN 220849741U
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- tunnel
- air
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- 238000006243 chemical reaction Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000007779 soft material Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 15
- 230000006872 improvement Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000005641 tunneling Effects 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a pipe-jacking tunnel air supply device, which belongs to the technical field of building construction engineering devices and comprises a movable fan frame, a fan and an air guide assembly, wherein the movable fan frame is arranged in a tunnel in a erection mode and moves along a tunneling direction, the fan is arranged on the movable fan frame and slides relative to the movable fan frame along the tunneling direction, and the air guide assembly is arranged at an air outlet of the fan and is used for supplying air into a tunnel. The fan and the movable fan frame are movable and are matched with the air guide assembly, so that the whole device can effectively realize that air supply is not interrupted in the pipe joint installation process of pipe jacking construction, the air receiving pipe process can be reduced, and the device has the characteristics of safety, improvement of the working environment in a hole and improvement of the efficacy.
Description
Technical Field
The utility model relates to the technical field of building construction engineering devices, in particular to a pipe-jacking tunnel air supply device.
Background
With the increasing saturation of urban development in China, the requirement for underground space development is continuously increased, and the construction of various water conservancy and electric power pipelines by adopting a pipe jacking method is more and more common.
Because the pushing device is positioned at the tunnel portal during pipe jacking construction, the pushing device needs to push the pipe joint to integrally advance, and is different from a shield method. Therefore, the first section of pipe at the opening is not definite, and the section of pipe at the opening is continuously fed into the opening along with the continuous forward jacking, under the working condition, each jacking section, the pipeline connection outside the opening and inside the opening needs to be removed, and the pipeline is reconnected after the new section of pipe is installed.
In tunnel construction, ventilation is an indispensable technical link, and is also a necessary condition for maintaining normal operation of electromechanical equipment in a tunnel. The chinese patent of patent No. CN218760651U discloses a long distance air supply device for tunnel construction, which comprises a base, the top fixed mounting of base has the fixed column, the notch has been seted up at the equal top of two fixed columns, and equal sliding connection has the sliding column in two notches, the equal fixedly connected with bracket in the top of two sliding columns, the equal fixed mounting in one side that two sliding columns are close to relatively has the rack, the top welding of two brackets has the fan barrel, one side fixedly connected with of fan barrel cleans the box, the through-hole has been seted up to one side of cleaning the box, and fixed mounting has the filter screen in the through-hole, the top of base is equipped with the spliced pole, the both sides of spliced pole respectively with two fixed column fixed connection. The device has through starting the second motor to rotate with second motor output fixed connection's threaded rod, and then make the brush roller with threaded rod threaded connection slide along the slide bar, thereby have the advantage of clearing up the filter screen. However, the construction method is not suitable for pipe jacking construction, so that corresponding improvement is needed. In addition, during the construction of the pipe jacking method, ventilation measures are taken as one of important links of safety management of limited space operation, and particularly when a new pipe joint is installed, air supply is temporarily interrupted to reduce the oxygen content in a hole, so that safety accidents are easy to occur.
Therefore, the air supply device for the pipe-jacking tunnel is provided, so that air supply is not interrupted when a new pipe joint is installed, and the air supply device is very beneficial to improving the operation environment in the pipe-jacking engineering tunnel.
Disclosure of utility model
The utility model provides a pipe-jacking tunnel air supply device, which aims to solve the technical problems that when a new pipe joint is installed during pipe-jacking construction, air supply is temporarily interrupted to reduce the oxygen content in a tunnel, and safety accidents are easy to occur.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a push pipe tunnel air supply arrangement, includes portable fan frame, fan and wind-guiding subassembly, portable fan frame is used for setting up in the tunnel and along tunnel driving direction removal, the fan is installed in portable fan frame and is used for along tunnel driving direction relatively portable fan frame slides, wind-guiding subassembly sets up in the air outlet of fan and is used for the wind-guiding in to the tunnel hole.
Further, a track for paving the bottom of the wellhead pipe joint is arranged below the movable fan frame, the movable fan frame comprises a walking frame beam, walking wheels are arranged at the bottom of the walking frame beam, and the walking wheels are embedded in the track and used for rolling along the track.
Further, the end of the track is provided with a splicing structure for mutual splicing, a locking mechanism is arranged between the track and the movable fan frame, and displacement sensors are arranged on the track and the movable fan frame.
Further, the movable fan frame further comprises a walking frame supporting leg, the walking wheels are arranged on the walking frame supporting leg, and the walking frame cross beam and the walking frame supporting leg are fastened by welding or bolting.
Further, push pipe tunnel air supply arrangement still includes the mounting bracket, fan fixed mounting is on the mounting bracket, and the mounting bracket passes through slide rail assembly to be installed on walking frame crossbeam, and is provided with locking mechanism between mounting bracket and the walking frame crossbeam.
Further, the sliding rail assembly comprises an upper sliding rail and a lower sliding rail which are mutually embedded, the upper side of the upper sliding rail is connected with the mounting frame, and the lower sliding rail is mounted on the walking frame beam.
Further, the air guide assembly comprises a telescopic air guide cylinder, and one end of the air guide cylinder is connected with the air outlet of the fan.
Further, the wind guide assembly comprises a conversion section and a wind guide barrel of a hollow cylindrical structure, one end of the conversion section is connected with a fan air outlet, the other end of the conversion section is connected with the wind guide barrel, and the wind guide barrel can be stored in the conversion section.
Further, the conversion section is made of hard materials, and is provided with an interlayer, the interlayer comprises a plurality of cavities which are sequentially arranged along the axial direction of the conversion section, and the air duct comprises a plurality of air duct sections which are correspondingly contained in the cavities one by one.
Further, the air duct is made of soft materials.
The utility model has the following beneficial effects:
The pipe-jacking tunnel air supply device is used for supplying air into a tunnel during pipe jacking construction, the movable fan frame can drive the whole pipe-jacking tunnel air supply device to move along the tunneling direction, and the fan can also slide along the tunneling direction relative to the movable fan frame. The whole pipe-jacking tunnel air supply device can effectively realize that air supply is not interrupted in the pipe joint installation process of pipe-jacking construction, can also reduce the air pipe connection procedure, and has the characteristics of safety, improvement of the working environment in a hole and improvement of the efficacy.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time. In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic front view of a preferred embodiment of the present utility model;
fig. 2 is a schematic top view of a preferred embodiment of the present utility model.
Fig. 3 is a partial side view schematic of a preferred embodiment of the utility model.
Fig. 4 is a schematic structural view of a conversion joint according to a preferred embodiment of the present utility model.
Legend description: 1. a blower; 2. a mounting frame; 3. an upper slide rail; 4. a lower slide rail; 5. supporting legs of the walking frame; 6. a walking wheel; 7. a conversion section; 8. an air duct; 9. a track; 10. and a walking frame beam.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
Fig. 1-4 are schematic structural diagrams of a preferred embodiment of a top tunnel blower according to the present utility model.
The utility model provides a push pipe tunnel air supply arrangement, includes portable fan frame, fan 1 and wind-guiding subassembly, portable fan frame is used for setting up in the tunnel and along tunnel driving direction removal, fan 1 installs in portable fan frame and is used for along tunnel driving direction relatively portable fan frame slides, wind-guiding subassembly sets up in the air outlet of fan 1 and is used for the wind-guiding in to the tunnel hole.
The device is used for blowing air into a tunnel during pipe jacking construction, and in the pipe jacking construction process, the movable fan frame of the device can drive the whole pipe jacking tunnel air blowing device to move along the tunneling direction, the fan 1 can also slide along the tunneling direction relative to the movable fan frame, and when a pipe joint for pipe jacking construction moves into a tunnel, the fan 1 can be driven to move along the direction far away from the tunneling direction, so that the fan 1 can be ensured to be always outside the tunnel, and fresh air can be fed into the tunnel. When a new pipe section is installed after the jacking of the pipe section in the current pipe jacking construction is finished, the movable fan frame integrally pushes the pipe-jacking tunnel air supply device into the tunnel hole, and after the new pipe section is installed, the movable fan frame integrally moves out of the tunnel after the pipe-jacking tunnel air supply device is integrally moved out of the tunnel, so that fresh air can be continuously fed into the tunnel hole in the pushing process of the next pipe section.
Preferably, as shown in fig. 1, 2 and 3, a track 9 for laying at the bottom of the wellhead pipe joint is disposed below the movable fan frame, the movable fan frame includes a walking frame beam 10, a walking wheel 6 is disposed at the bottom of the walking frame beam 10, and the walking wheel 6 is embedded in the track 9 and is used for rolling along the track 9. The movable fan frame further comprises a walking frame supporting leg 5, and the walking wheels 6 are arranged on the walking frame supporting leg 5. The walking frame crossbeam 10 top is provided with mounting bracket 2, fan 1 fixed mounting is on mounting bracket 2, and mounting bracket 2 passes through slide rail assembly to be installed on walking frame crossbeam 10, and also is provided with locking mechanism between mounting bracket 2 and the walking frame crossbeam 10.
In the preferred embodiment, the walking frame cross beam 10 and the walking frame supporting legs 5 are fastened by welding or bolting.
It should be noted that, the leg 5 of the walking frame may be set to be a telescopic structure, so as to facilitate the overall up-down position adjustment of the fan 1, thereby improving the adaptability of the device.
In this preferred scheme, the tip of track 9 is equipped with the mosaic structure that is used for mutually splicing, if adopts conventional buckle device or bolted connection for splice another track, and then can be according to the synchronous extension slip stroke of push pipe construction progress.
In this preferred scheme, all be equipped with locking mechanism between portable fan frame and the track, between mounting bracket and the walking frame crossbeam, locking mechanism can adopt parts commonly used such as hasp or pressure knot device, realizes that the locking is fixed when need not to remove, guarantees safe in utilization.
In this preferred scheme, slide rail assembly includes the last slide rail 3 and the lower slide rail 4 that inlay each other and establish, realizes locking from top to bottom, and fore-and-aft gliding function, go up slide rail 3 top and link to each other with mounting bracket 2, lower slide rail 4 installs on walking frame crossbeam 10.
Preferably, the air guide assembly comprises a telescopic air guide cylinder 8, and one end of the air guide cylinder 8 is connected with an air outlet of the fan 1. The air duct 8 is made of soft materials, and is telescopic, so that the position of the fan 1 is adjusted.
In another preferred embodiment of the present utility model, as shown in fig. 4, the air guiding assembly includes a conversion section 7 with a hollow cylindrical structure and an air guiding barrel 8, one end of the conversion section 7 is connected with the air outlet of the fan 1, the other end of the conversion section 7 is connected with the air guiding barrel 8, and the air guiding barrel 8 can be accommodated in the conversion section 7. The same air duct 8 is made of soft materials.
In this preferred scheme, conversion festival 7 is made for hard material, and is provided with the intermediate layer, the intermediate layer includes along the axial of conversion festival 7 sets gradually a plurality of cavitys, air duct 8 includes a plurality of air duct sections of accomodating in a plurality of cavitys in one-to-one. So as to realize that the cloth air duct in one cavity is discharged every time a pipe section is pushed forward, and the use is more convenient.
It should be noted that, as the name implies, the air duct 8 can supply air, when the air duct 8 is folded and stored in the conversion section 7 due to the characteristic of the soft material, the internal channel is not completely blocked, that is, the air supply can still be realized, and the air outlet of the air duct 8 can be selectively fixed in the hole.
Preferably, displacement sensors are arranged on the movable fan frame and the track 9, so that position detection is realized, and the position adjustment of the fan 1 or the movable fan frame is convenient.
In the preferred embodiment of the utility model, when the pipe joint moves towards the hole in the construction process of the pipe jacking method, the fan 1 moves backwards through the sliding rail assembly to ensure that fresh air outside the hole is always fed into the fan 1 outside the hole, when the current pipe joint is jacked up and the pipe joint is installed, the fan 1 is pushed into the hole through the sliding rail, after the pipe joint is installed, the fan 1 and the conversion joint 7 are integrally moved backwards through moving the travelling wheel 6, and the redundant air guide cylinder 8 in the conversion joint 7 can supplement the displacement (equivalent to the extension of the air guide cylinder 8) to ensure that the tail end air outlet of the air guide cylinder 8 is in the hole and maintain the air supply in the hole uninterrupted. Or the soft air duct 8 is directly connected with the air outlet of the fan 1, and continuous air supply can be realized by only using the air duct 8 to realize the air guiding function.
The fan 1 and the movable fan frame are movable, and the telescopic and prolonged air guide assembly is matched, so that the problem of air supply interruption in the pipe joint installation process of pipe jacking construction can be effectively solved, the air receiving pipe process is reduced, and the air receiving pipe has the characteristics of safety, improvement of the in-tunnel operation environment and improvement of the efficacy.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this utility model, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the utility model, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the concepts and aspects of the utility model in other applications without modification, are contemplated as being within the scope of the present utility model.
Claims (10)
1. The utility model provides a push pipe tunnel air supply arrangement, its characterized in that, includes portable fan frame, fan (1) and wind-guiding subassembly, portable fan frame is used for setting up in the tunnel and along tunnel driving direction removal, fan (1) are installed in portable fan frame and are used for along tunnel driving direction relatively portable fan frame slides, wind-guiding subassembly sets up in the air outlet of fan (1) and is used for supplying air to the tunnel in.
2. The pipe-jacking tunnel air supply device according to claim 1, wherein a track (9) used for paving the bottom of a wellhead pipe joint is arranged below the movable fan frame, the movable fan frame comprises a walking frame beam (10), walking wheels (6) are arranged at the bottom of the walking frame beam (10), and the walking wheels (6) are embedded in the track (9) and used for rolling along the track (9).
3. The pipe-jacking tunnel air supply device according to claim 2, wherein the end part of the track (9) is provided with a splicing structure for splicing with each other, a locking mechanism is arranged between the track (9) and the movable fan frame, and displacement sensors are arranged on the track (9) and the movable fan frame.
4. The pipe-jacking tunnel air supply device according to claim 2, wherein the movable fan frame further comprises a walking frame supporting leg (5), the walking wheels (6) are mounted on the walking frame supporting leg (5), and welding or bolt connection fastening is adopted between the walking frame cross beam (10) and the walking frame supporting leg (5).
5. The pipe-jacking tunnel air supply device according to claim 2, further comprising a mounting frame (2), wherein the fan (1) is fixedly mounted on the mounting frame (2), the mounting frame (2) is mounted on the walking frame beam (10) through a sliding rail assembly, and a locking mechanism is arranged between the mounting frame (2) and the walking frame beam (10).
6. The pipe-jacking tunnel air supply device according to claim 5, wherein the sliding rail assembly comprises an upper sliding rail (3) and a lower sliding rail (4) which are embedded with each other, the upper side of the upper sliding rail (3) is connected with the mounting frame (2), and the lower sliding rail (4) is mounted on the walking frame cross beam (10).
7. A pipe-jacking tunnel air supply device according to claim 1, characterized in that the air guide assembly comprises a telescopic air guide cylinder (8), and one end of the air guide cylinder (8) is connected with an air outlet of the fan (1).
8. The pipe-jacking tunnel air supply device according to claim 1, wherein the air guide assembly comprises a conversion joint (7) and an air guide barrel (8) which are of hollow cylindrical structures, one end of the conversion joint (7) is connected with an air outlet of the fan (1), the other end of the conversion joint (7) is connected with the air guide barrel (8), and the air guide barrel (8) can be contained in the conversion joint (7).
9. A pipe-jacking tunnel air supply device according to claim 8, characterized in that the conversion section (7) is made of hard material and is provided with an interlayer, the interlayer comprises a plurality of cavities sequentially arranged along the axial direction of the conversion section (7), and the air duct (8) comprises a plurality of air duct sections which are accommodated in the cavities in a one-to-one correspondence manner.
10. A push pipe tunnel blower according to any one of claims 7 or 8, characterized in that the air duct (8) is made of soft material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374574.2U CN220849741U (en) | 2023-09-01 | 2023-09-01 | Pipe-jacking tunnel air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374574.2U CN220849741U (en) | 2023-09-01 | 2023-09-01 | Pipe-jacking tunnel air supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849741U true CN220849741U (en) | 2024-04-26 |
Family
ID=90777243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322374574.2U Active CN220849741U (en) | 2023-09-01 | 2023-09-01 | Pipe-jacking tunnel air supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849741U (en) |
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2023
- 2023-09-01 CN CN202322374574.2U patent/CN220849741U/en active Active
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