CN113236282A - Tunnel full-section maintenance method under road-occupation-free working condition - Google Patents
Tunnel full-section maintenance method under road-occupation-free working condition Download PDFInfo
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- CN113236282A CN113236282A CN202110548559.8A CN202110548559A CN113236282A CN 113236282 A CN113236282 A CN 113236282A CN 202110548559 A CN202110548559 A CN 202110548559A CN 113236282 A CN113236282 A CN 113236282A
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- tunnel
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- maintaining
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- 238000012423 maintenance Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 241000282326 Felis catus Species 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 32
- 238000005516 engineering process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention provides a method for maintaining a full section of a tunnel under a working condition without occupying a road, which comprises the steps of firstly installing rails on cable ducts at two sides of the tunnel, secondly installing a traveling device and a lifting device on the rails, and finally installing a working platform on the rails, and realizing the longitudinal and vertical movement of the working platform in the tunnel through the lifting device and the traveling device, thereby providing a construction platform which meets the requirement of a highway tunnel passing limit, is quick and safe in erection and detachment, is convenient for personnel to construct and has a large operation area for maintaining the full section of the tunnel. The invention can provide a safe, spacious and convenient construction platform for tunnel maintenance, when personnel maintain the tunnel on the working platform, vehicles can pass through the channel formed under the construction platform, and normal traffic is not influenced; meanwhile, the construction platform has anti-collision, safety warning and other safety protection technologies, and can be rapidly installed and adjusted according to the structural sizes of different tunnels.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering, and particularly relates to a full-section maintenance method of a tunnel under a road-occupation-free working condition.
Background
The scale of highway tunnels in China is continuously increased, more and more tunnels enter periodic maintenance, but the maintenance experience is insufficient, the maintenance foundation is weak, and the light maintenance thinking is reestablished for curing, so that the maintenance operation condition of the highway tunnels is worried. The task of the highway tunnel in China is mainly constructed and is changed to be constructed and maintained.
The civil construction structure of the highway tunnel mainly focuses on broken lining, water leakage, pavement and drainage facilities, particularly the broken lining, the water leakage and the pavement diseases are the most common, and the total proportion of the broken lining and the water leakage is more than 50 percent of the tunnel diseases.
During tunnel maintenance, the outstanding problems are traffic control measures and construction of a construction platform during construction. The tunnel has the characteristics of long pipe shape space and closeness, so that the accident in the tunnel can cause more serious life and property loss than the accident in an open road section, and the tunnel has the characteristics of complex and various accidents, high harm degree, difficulty in post-treatment, easiness in inducing secondary traffic accidents and the like. At present, the way occupying construction is usually carried out by adopting a way of closing one side of a lane to pass through in the tunnel maintenance construction, and the traffic guidance and the change are required to be completed before entering the tunnel so as to ensure the passing safety of vehicles, so that the lane is constructed in a full-width closed manner in the tunnel. This account for way construction mode, traffic guidance facility need to extend to the construction operation section from the tunnel entry and end, consumes a large amount of manpower and materials, and account for the way construction simultaneously and influence tunnel traffic great, easily cause to block up and induce traffic accident.
At present, the tunnel maintenance construction platform mostly adopts a movable support of the constructional engineering, and the construction efficiency is seriously influenced by the platform: firstly, the rigidity of the support platform is insufficient, the support platform has no problem of insufficient rigidity for small maintenance, but the rigidity is insufficient for projects requiring large-scale machines such as an anchor rod and the like to be driven into the upper part of the vault, so that the stability of equipment is poor during construction, and the construction efficiency and the operation precision are seriously influenced; secondly, the support is easy to splice and move, so that the protection of operators is not good enough, and the psychology of the operators is easily greatly influenced when large heavy vehicles pass through a traffic lane during road occupation construction, and the construction efficiency and the operation precision are seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for maintaining the full section of a tunnel under the working condition without occupying the road.
The technical scheme is as follows:
a full-section maintenance method of a tunnel under the working condition of not occupying the road uses a movable full-section maintenance lifting platform of the tunnel, wherein the maintenance lifting platform consists of a track 1, a walking device 2, a lifting device 3, an inclined frame 4, a ladder stand 5, a working platform 6, a winch 7, a control device 8 and an induction plate 9, wherein:
the track 1 is laid on cable trenches on two sides of the tunnel, and the walking device 2 is connected with the track 1 through wheels 10; a fixed seat 15 of the lifting device 3 is arranged on the top surface of the walking device 2 and is connected with the walking device through a wheel assembly 14, and a sliding seat 16 of the lifting device 3 is controlled by the winch 7 to slide up and down on the guide post 11; the inclined frame 4 is connected with the lifting device 3 through bolts, the working platform 6 is arranged on the inclined frame, an operator enters the working platform 6 through the ladder stand 5 to perform tunnel maintenance operation and controls the longitudinal movement and the vertical lifting operation of the platform through the control device 8 arranged on the walking device 2; meanwhile, the induction plate 9 is arranged on the vehicle-facing side of the movable lifting platform, warning reminding of passing vehicles is achieved to prevent vehicle collision, and the size of the movable tunnel full-section maintenance lifting platform is adjusted to prevent vehicle collision before the passing vehicles pass.
Furthermore, the running gear 2 is composed of a speed reducer 12, wheels 10 and an anti-rotation support 13, and the speed reducer 12 controls the wheels 10 to run on the track 1, so that the lifting platform moves in the horizontal direction.
Furthermore, the lifting device 3 is composed of a winch 7, a fixed seat 15, a guide post 11 and a sliding seat 16, and the winch 7 controls the fixed seat 15 and the sliding seat 16 to slide up and down through the guide post 11, so that the lifting platform moves in the vertical direction.
Further, the inclined frame 4 and the crawling ladder 5 are made of Q235 steel plates, and smooth and flat peripheries are achieved through numerical control cutting blanking; the welding seam is a continuous fillet welding seam, and the height of a welding leg is 5-8 mm; and (4) annealing after welding to eliminate internal stress and then machining.
Further, the working platform 6 is manufactured by welding or bolting channel steel, baffle plates and a stop seat steel member; flattening the material through a numerical control cutting blanking interface; the weld is a continuous fillet weld.
Compared with the prior art, the movable lifting platform for maintaining the full section of the tunnel under the working condition of no road occupation can provide a safe, spacious and convenient construction platform for maintaining the tunnel. When a person carries out maintenance operation on the tunnel on the construction platform, vehicles can pass through a channel formed under the construction platform, and normal traffic is not influenced; meanwhile, the movable lifting platform has anti-collision, safety warning and other safety protection technologies, and can be rapidly installed and adjusted according to the structural sizes of different tunnels.
Drawings
FIG. 1 is a schematic structural diagram of a tunnel full-section maintenance mobile lifting platform under a road-occupation-free working condition,
FIG. 2 is a schematic structural section view of a full-section maintenance mobile lifting platform in a tunnel under a road-occupation-free working condition.
Description of reference numerals:
the lifting device comprises a track 1, a walking device 2, a lifting device 3, an inclined frame 4, a ladder stand 5, a working platform 6, a winch 7, a control device 8, an induction plate 9, wheels 10, a guide pillar 11, a speed reducer 12, an anti-rotation support 13, wheel assemblies 14, a fixed seat 15, a sliding seat 16 and a lifted working platform 17.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes in detail a method for repairing a full section of a tunnel under a non-occupied working condition, which is provided by the present invention, with reference to an embodiment. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
The invention provides a method for maintaining the full section of a tunnel under the working condition of no occupying of a road, which comprises the steps of firstly installing rails on cable ducts at two sides of the tunnel, secondly installing a traveling device and a lifting device on the rails, and finally installing a working platform on the rails, and realizing the longitudinal and vertical movement of the working platform in the tunnel through the lifting device and the traveling device, thereby providing a construction platform which meets the requirement of the passing limit of a highway tunnel, is quick and safe to erect and dismantle, is convenient for personnel to construct and has a large operation area for maintaining the full section of the tunnel. Compared with the prior art, the movable lifting platform for maintaining the full section of the tunnel under the working condition of no road occupation can provide a safe, spacious and convenient construction platform for maintaining the tunnel. When personnel maintain the tunnel on the working platform, vehicles can pass through a channel formed under the construction platform, and normal traffic is not affected; meanwhile, the construction platform has anti-collision, safety warning and other safety protection technologies, and can be rapidly installed and adjusted according to the structural sizes of different tunnels.
Example 1
Referring to fig. 1 and 2, the invention relates to a movable lifting platform for maintaining a full section of a tunnel under a working condition without occupying a road, which comprises: the device comprises a track 1, a walking device 2, a lifting device 3, an inclined frame 4, a ladder stand 5, a working platform 6, a winch 7, a control device 8 and an induction plate 9. The track 1 is laid on cable trenches on two sides of the tunnel, and the walking device 2 is connected with the track 1 through wheels 10; a fixed seat 15 of the lifting device 3 is arranged on the top surface of the walking device 2 and is connected with the walking device through a wheel assembly 14, and a sliding seat 16 of the lifting device 3 is controlled by the winch 7 to slide up and down on the guide post 11; the inclined frame 4 is connected with the lifting device 3 through bolts, the working platform 6 is arranged on the inclined frame, and an operator enters the working platform 6 through the ladder stand 5 to perform tunnel maintenance operation; the operator controls the longitudinal movement and the vertical lifting operation of the platform through a control device 8 arranged on the walking device 2; meanwhile, the induction plate 9 is arranged on the vehicle-facing surface of the movable lifting platform, so that warning and reminding of passing vehicles are realized, and collision of the vehicles is prevented.
The mobile lifting platform is customized in a factory according to requirements, the specific model size and the number of steel members are determined according to the requirement of a highway tunnel passing limit, and if necessary, the mobile lifting platform is determined according to a test result.
When the full section maintenance of tunnel is under construction, lay the track in advance at the inside both sides cable pit in tunnel, then according to tunnel size specification, build running gear, elevating gear, sloping frame, cat ladder and work platform outside the tunnel in proper order, treat to remove lift platform and build the back that finishes, integral erection is on the track that the tunnel has been laid. When the movable lifting platform moves along the track in the tunnel, the working platform can provide a safe driving channel for the vehicle passing in the tunnel, provides a construction platform convenient for operation for constructors, and realizes the maintenance of the full section of the tunnel. At the in-process that removes lift platform at the equidirectional operation, controlling means controls the removal of platform, prevents that the platform from appearing not steady, the condition of rocking in the in-process that removes in the tunnel, guarantees the stability of platform operation. The induction plate arranged on the vehicle-facing surface can warn the passing vehicles and platform operators in advance, and a safe operation environment is provided for tunnel maintenance and construction.
Engineering practices show that the movable lifting platform for maintaining the full section of the tunnel under the working condition of no road occupation can provide a safe, spacious and convenient construction platform for maintaining the tunnel. When a person carries out maintenance operation on the tunnel on the construction platform, vehicles can pass through a channel formed under the construction platform, and normal traffic is not influenced; meanwhile, the movable lifting platform has anti-collision, safety warning and other safety protection technologies, and can be rapidly installed and adjusted according to the structural sizes of different tunnels.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a do not take up a full section maintenance method of tunnel under operating mode which characterized in that, uses mobilizable full section maintenance lift platform of tunnel, maintenance lift platform comprises track (1), running gear (2), elevating gear (3), sloping (4), cat ladder (5), work platform (6), hoist engine (7), controlling means (8) and tablet (9), wherein:
the track (1) is laid on cable trenches on two sides of the tunnel, and the walking device (2) is connected with the track (1) through wheels (10); a fixed seat (15) of the lifting device (3) is arranged on the top surface of the walking device (2) and is connected with the top surface of the walking device (2) through a wheel assembly (14), and a sliding seat (16) of the lifting device (3) is controlled by a winch (7) to slide up and down on a guide post (11); the inclined frame (4) is connected with the lifting device (3) through bolts, the working platform (6) is arranged on the inclined frame, an operator enters the working platform (6) through the ladder stand (5) to perform tunnel maintenance operation and controls the longitudinal movement and the vertical lifting operation of the platform through the control device (8) arranged on the walking device (2); meanwhile, an induction plate (9) is installed on the vehicle-facing surface of the movable lifting platform, warning reminding of passing vehicles is achieved to prevent vehicle collision, and the size of the movable tunnel full-section maintenance lifting platform is adjusted to prevent vehicle collision before the over-limit vehicles pass through.
2. The method for maintaining the full section of the tunnel under the working condition of no road occupation according to claim 1, wherein the traveling device (2) consists of a speed reducer (12), wheels (10) and an anti-rotation support (13), and the speed reducer (12) controls the wheels (10) to travel on the track (1) so as to realize the horizontal movement of the lifting platform.
3. The method for maintaining the full section of the tunnel under the working condition of no road occupation according to claim 1, wherein the lifting device (3) consists of a winch (7), a fixed seat (15), a guide post (11) and a sliding seat (16), and the winch (7) controls the fixed seat (15) and the sliding seat (16) to slide up and down through the guide post (11) so as to realize the vertical movement of the lifting platform.
4. The method for maintaining the full section of the tunnel under the working condition of no road occupation according to claim 1, wherein the inclined frame (4) and the ladder (5) are made of Q235 steel plates, and the periphery is smooth and flat by numerical control cutting blanking; the welding seam is a continuous fillet welding seam, and the height of a welding leg is 5-8 mm; and (4) annealing after welding to eliminate internal stress and then machining.
5. The method for maintaining the full section of the tunnel under the non-road working condition according to claim 1, wherein the working platform (6) is manufactured by welding or bolting channel steel, baffle plates and a stop seat steel component, and the material is leveled through a numerical control cutting blanking interface; the weld is a continuous fillet weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548559.8A CN113236282A (en) | 2021-05-20 | 2021-05-20 | Tunnel full-section maintenance method under road-occupation-free working condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548559.8A CN113236282A (en) | 2021-05-20 | 2021-05-20 | Tunnel full-section maintenance method under road-occupation-free working condition |
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| CN113236282A true CN113236282A (en) | 2021-08-10 |
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| CN202110548559.8A Pending CN113236282A (en) | 2021-05-20 | 2021-05-20 | Tunnel full-section maintenance method under road-occupation-free working condition |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426992A1 (en) * | 1984-07-21 | 1986-02-13 | Bergwerksverband Gmbh | Device for probing boreholes |
| JP2002021468A (en) * | 2000-07-03 | 2002-01-23 | Maeda Corp | Landing bridge for tunneling work |
| JP2005200844A (en) * | 2004-01-13 | 2005-07-28 | Nittetsu Elex Co Ltd | Self-propelling work carriage in tunnel |
| CN101598025A (en) * | 2009-06-22 | 2009-12-09 | 中国水利水电第七工程局有限公司 | Multifunctional fabricated hydraulic drive moveable trestle |
| CN102536258A (en) * | 2011-12-29 | 2012-07-04 | 重庆市鹏创道路材料有限公司 | Highway tunnel maintenance car occupying no lane |
| CN103726686A (en) * | 2014-01-10 | 2014-04-16 | 山东华夏集团有限公司 | Winching lifting multi-freedom dynamic stage |
| US20150284913A1 (en) * | 2012-11-12 | 2015-10-08 | Su Tim Fok | Municipal crossroads structure |
| CN107905822A (en) * | 2017-09-13 | 2018-04-13 | 北京建工土木工程有限公司 | A kind of large cross-section tunnel moves adjustable waterproof construction trolley |
| CN213114387U (en) * | 2020-05-21 | 2021-05-04 | 河南长安交通科技发展有限公司 | Height-limiting early warning device for road and bridge traffic |
-
2021
- 2021-05-20 CN CN202110548559.8A patent/CN113236282A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426992A1 (en) * | 1984-07-21 | 1986-02-13 | Bergwerksverband Gmbh | Device for probing boreholes |
| JP2002021468A (en) * | 2000-07-03 | 2002-01-23 | Maeda Corp | Landing bridge for tunneling work |
| JP2005200844A (en) * | 2004-01-13 | 2005-07-28 | Nittetsu Elex Co Ltd | Self-propelling work carriage in tunnel |
| CN101598025A (en) * | 2009-06-22 | 2009-12-09 | 中国水利水电第七工程局有限公司 | Multifunctional fabricated hydraulic drive moveable trestle |
| CN102536258A (en) * | 2011-12-29 | 2012-07-04 | 重庆市鹏创道路材料有限公司 | Highway tunnel maintenance car occupying no lane |
| US20150284913A1 (en) * | 2012-11-12 | 2015-10-08 | Su Tim Fok | Municipal crossroads structure |
| CN103726686A (en) * | 2014-01-10 | 2014-04-16 | 山东华夏集团有限公司 | Winching lifting multi-freedom dynamic stage |
| CN107905822A (en) * | 2017-09-13 | 2018-04-13 | 北京建工土木工程有限公司 | A kind of large cross-section tunnel moves adjustable waterproof construction trolley |
| CN213114387U (en) * | 2020-05-21 | 2021-05-04 | 河南长安交通科技发展有限公司 | Height-limiting early warning device for road and bridge traffic |
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