CN110725205B - Deicing and snow-melting protection device for bridge stay cable - Google Patents
Deicing and snow-melting protection device for bridge stay cable Download PDFInfo
- Publication number
- CN110725205B CN110725205B CN201910849203.0A CN201910849203A CN110725205B CN 110725205 B CN110725205 B CN 110725205B CN 201910849203 A CN201910849203 A CN 201910849203A CN 110725205 B CN110725205 B CN 110725205B
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- Prior art keywords
- pipe
- expansion device
- fixedly connected
- water absorption
- absorption expansion
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/203—Low temperature resistance
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a deicing and snow-melting protection device for a bridge stay cable, which comprises a PE pipe, wherein the inner surface of the PE pipe is fixedly connected with a water absorption expansion device, the inner surface of the water absorption expansion device is fixedly connected with a waterproof film, a longitudinal groove is formed in the waterproof film, and a self-temperature-control heat tracing band is spirally connected between the outer surface of the water absorption expansion device and the inner surface of the PE pipe. The service life of the stay cable is prolonged.
Description
Technical Field
The invention relates to the field of bridge auxiliary facilities, in particular to a stay cable deicing and snow melting protection device.
Background
The ice and snow covered on the stay cable in winter can not be ablated for a long time, impurities contained in the ice and snow easily corrode the stay cable, the ice and snow also increase the load of the stay cable, and meanwhile, ice blocks condensed on the stay cable can be influenced by external factors such as temperature rise, wind blowing or normal vibration of the stay cable, so that the ice blocks fall from the stay cable. When the higher ice-cube in position falls, because speed is great, there is great potential safety hazard to the vehicle of normally traveling on the bridge floor, can cause the traffic accident of concatenating even when serious, cause huge personal loss of property, closed road also can exert an influence to people's normal trip.
The heating device used by the existing stay cable deicing device mainly heats a heat tracing band, but the heating area is limited, if the heat tracing band is excessively wound, the material of the heat tracing band is wasted, the winding, loosening, deicing and snow melting effects are uneven, and secondary icing is easily caused. In addition, after the ice and snow are melted by the self-temperature-control heat tracing band used by the existing bridge, the snow water directly drops or slides along the stay cable, and a collecting device is lacked, so that waste is caused.
Therefore, for the stayed-cable bridge, from the perspective of safe operation and traffic operation, a device capable of effectively removing ice and snow and preventing the molten water from dripping and freezing is needed, so as to ensure the safety of vehicles passing through the bridge in winter in low-temperature rainy and snowy weather.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention aims to provide a cable-stayed bridge cable deicing and snow melting protection device, which can effectively remove ice and snow on a cable and ensure the normal running of a vehicle and the safe operation of a bridge structure.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a deicing and snow melting protection device for a bridge stay cable comprises a PE pipe, wherein a water absorption expansion device is fixedly connected to the inner surface of the PE pipe, a waterproof film is fixedly connected to the inner surface of the water absorption expansion device, a longitudinal groove is formed in one side of the PE pipe, a temperature self-control heat tracing band is spirally connected between the outer surface of the water absorption expansion device and the inner surface of the PE pipe, a crystal groove is fixedly connected to the top end of the temperature self-control heat tracing band and is located at the top of the water absorption expansion device, a crystal head is fixedly connected to the bottom end of the temperature self-control heat tracing band and is located at the bottom of the water absorption expansion device, clamping teeth are fixedly connected to the outer surface of the bottom of the water absorption expansion device, a tooth-shaped clamping groove is formed in the inner surface of the top of the water absorption expansion device, and a, the temperature self-control heat tracing band is spirally adhered to the inner surface of the PE pipe through heat-conducting cement, and one side of the water absorption expansion device is adhered to the inner surface of the PE pipe through the heat-conducting cement.
Preferably, one end of the crystal head is fixedly connected with a heat tracing band metal lead, and the crystal head can be matched and connected with the crystal groove.
Preferably, the latch and the tooth-shaped clamping groove are provided with a plurality of clamping teeth and a plurality of tooth-shaped clamping grooves which are matched with each other for clamping.
Preferably, still include reed stop device, reed stop device includes solid fixed ring, gu fixed ring's inside fixedly connected with reed, the reed is equipped with threely altogether, and is three the reed all becomes 120 degrees around gu fixed ring's center and arranges.
Preferably, the tops of the three reeds are movably connected with balls, and one side, far away from the center of the fixed ring, of each ball is fixedly connected with a screw.
Preferably, the bottom end of the screw penetrates the fixing ring and extends to the outside of the fixing ring.
Preferably, a nut is screwed on the surface of the screw and positioned outside the fixing ring.
Preferably, the outer surface of the PE pipe is further provided with a buckle, the front face of the buckle is fixedly connected with a water level, and the middle of the water level is provided with a water level bubble display pipe.
(III) advantageous effects
The invention provides a deicing and snow melting protection device for a bridge stay cable. Compared with the prior art, the method has the following beneficial effects:
(1) the water absorption expansion device can isolate the stay cable from water flow steam, can achieve the effects of corrosion prevention, water prevention and rust prevention of the stay cable, and prolongs the service life of the stay cable.
(2) The water absorption expansion device can absorb melted snow water to increase the volume, expands outwards from the pipe orifice, breaks ice under stress, has small volume during drying, good recovery effect and no environmental pollution.
(3) The PE pipe provided by the invention has the advantages that the opening is formed, so that the flowing ice and snow melting water is absorbed by the water absorption expansion device, and the problems of secondary icing and dripping of the melting water are avoided.
(4) The PE pipe opening is arranged, so that water vapor generated by water surface evaporation around the stay cable can be absorbed, the device is electrified at a high temperature to play a role in dehumidification in summer, the stay cable is protected, and the service life of the stay cable is prolonged.
(5) The arrangement of the heat-conducting daub can lead the heat generated by the heat tracing band to be well conducted to the PE pipe and the water absorption expansion device, increase the deicing and snow melting efficiency, and accelerate the evaporation of water in the water absorption expansion material so as to continuously absorb ice, snow and melt water.
(6) The waterproof film is arranged, so that the stay cable can be prevented from contacting water, and the service life of the stay cable is prolonged.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a perspective view of the PE pipe and the heat tracing band of the present invention;
FIG. 3 is a schematic cross-sectional view of the apparatus of the present invention;
FIG. 4 is a schematic view of a reed retainer;
FIG. 5 is a schematic view of the crystal head according to the present invention;
FIG. 6 is a schematic view of the level and the snap.
In the figure, 1-crystal groove, 2-waterproof film, 3-water absorption expansion device, 4-PE tube, 5-latch, 51-tooth-shaped clamping groove, 6-crystal head, 7-self-temperature-control heat tracing band, 8-ball, 81-temperature sensor, 82-humidity sensor, 83-gravity sensor, 9-reed, 10-heat tracing band metal lead, 11-screw, 12-nut, 13-buckle, 14-leveling bubble display tube, 15-level, 16-reed limiting device, 17-longitudinal groove and 18-fixing ring.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a deicing and snow melting protection device for a bridge stay cable comprises a PE pipe 4, wherein a water absorption expansion device 3 is fixedly connected to the inner surface of the PE pipe 4, the stay cable can be isolated from water vapor through the arrangement of the water absorption expansion device 3, the corrosion-resistant, waterproof and rust-resistant effects of the stay cable can be achieved, the service life of the stay cable can be prolonged, the stay cable can absorb melted snow water so as to increase the volume, the stay cable expands outwards from a pipe opening, stress ice breaking is realized, the stay cable is small in size during drying, good in recovery effect and free of environmental pollution, a waterproof film 2 is fixedly connected to the inner surface of the water absorption expansion device 3, the stay cable can be prevented from contacting water through the arrangement of the waterproof film 2, the service life of the stay cable is prolonged, a longitudinal groove 17 is formed in one side of the PE pipe 4, a tropical temperature tracing band 7 is spirally connected between the outer surface of the water absorption expansion device 3 and the inner surface of the PE, besides two parallel wires coated by a high polymer PTC material, 3-4 metal wires with insulating sheaths are additionally arranged in the same direction, a metal armor is additionally arranged, the inner layer is made of conductive thermoplastic, the outer layer is made of double-layer flame-retardant polyolefin and provided with a shielding layer, a protective layer is arranged outside the double-layer flame-retardant polyolefin, two adjacent sections of heat tracing bands are connected through a crystal head 6 and a crystal groove 1 and are arranged on the inner wall of a PE pipe 4 in a spiral mode, the top end of a self-temperature-control heat tracing band 7 is fixedly connected with the crystal groove 1 and is positioned at the top of a water absorption expansion device 3, the bottom end of the self-temperature-control heat tracing band 7 is fixedly connected with the crystal head 6 and is positioned at the bottom of the water absorption expansion device 3, the outer surface at the bottom of the water absorption expansion device 3 is fixedly connected with clamping teeth 5, the inner surface at the top, The humidity sensor 82 and the gravity sensor 83 are arranged through the opening of the PE pipe 4, ice and snow melting water flowing down can be absorbed by the water absorption expansion device, the problems of secondary icing and water melting dropping are solved, water vapor generated by water surface evaporation around the stay cable can be absorbed, the device is electrified to play a role in summer dehumidification when the temperature is high, the stay cable is protected, the service life of the stay cable is prolonged, the self-temperature-control heat tracing band 7 is spirally bonded to the inner surface of the PE pipe 4 through heat-conducting cement, one side of the water absorption expansion device 3 is bonded to the inner surface of the PE pipe 4 through the heat-conducting cement, heat generated by the temperature-control heat tracing band 7 can be well conducted to the PE pipe 4 and the water absorption expansion device 3 through the arrangement of the heat-conducting cement, the ice and snow removing efficiency is improved, water evaporation in the water absorption expansion material is accelerated, and the ice and snow melting water can be continuously absorbed.
One end of the crystal head 6 is fixedly connected with a heat tracing band metal lead 10, the crystal head 6 can be matched and connected with the crystal groove 1, and the PE pipes 4 can be connected, so that the heat tracing band metal lead 10 is communicated into a whole to be electrified, and the installation is more convenient.
The latch 5 and the tooth-shaped clamping groove 51 are both provided with a plurality of latches 5, the latches 5 and the tooth-shaped clamping groove 51 are mutually matched and clamped, and the PE pipes 4 are more conveniently connected through the mutual clamping of the latches 5 and the tooth-shaped clamping groove 51, so that a whole is formed on the surface of the bridge stay cable for protection.
Still include reed stop device 16, reed stop device 16 includes solid fixed ring 18, and the inside fixedly connected with reed 9 of solid fixed ring 18, reed 9 are equipped with threely altogether, and three reed 9 all becomes 120 degrees around the center of solid fixed ring 18 and arranges.
The tops of the three reeds 9 are movably connected with balls 8, and one side of each ball 8, which is far away from the center of the corresponding fixing ring 18, is fixedly connected with a screw 11.
The bottom end of the screw 11 penetrates the fixing ring 18 and extends outside the fixing ring 18.
A nut 12 is screwed on the surface of the screw 11 and on the outside of the fixing ring 18.
The outer surface of the PE pipe 4 is further provided with a buckle 13, the front surface of the buckle 13 is fixedly connected with a water level 15, and the middle part of the water level 15 is provided with a water level bubble display pipe 14.
When the device is used, the self-temperature-control heat tracing band 7 and the water absorption expansion device 3 are bonded with the inner wall of the PE pipe 4 by using heat conduction cement, the longitudinal slot 17 at one side of the PE pipe 4 is clamped into the bridge stay cable, the bridge stay cable is fixed to the middle part of the water absorption expansion device 3, the bridge stay cable is arranged in the waterproof film 2, the latch 5 at the bottom of each adjacent PE pipe 4 is clamped with the tooth-shaped slot 51 at the top of the other PE pipe 4, the adjacent crystal head 6 is spliced with the crystal slot 1, the last PE pipe 4 is positioned at the bottom end, the lower end of the last PE pipe 4 is opened, the reed limiting device 16 and the buckle 13 are arranged, the self-temperature-control heat tracing band 7 is not wound, the level 15 is horizontally arranged at the lower part of the first PE pipe 4 and the last PE pipe 4, the level bubble display pipe 14 is positioned outside the pipe wall opposite to the opening of the PE pipe 4, when the surface of the PE pipe 4 is frozen, the gravity sensor 83 in the water, then the temperature self-control heat tracing band 7 is heated, ice water in the longitudinal groove 17 is melted by heating the temperature self-control heat tracing band 7, and then the ice water is soaked into the water absorption expansion device 3 to expand the water absorption expansion device 3, so that the PE pipe 4 is deformed, an ice layer outside the PE pipe 4 is cracked and falls off, and the weight of the ice layer can be detected because the gravity sensor 83 can accurately detect the change of the weight, and no danger is generated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a deicing snow melt protector for bridge suspension cable, includes PE pipe (4), its characterized in that: the inner surface of the PE pipe (4) is fixedly connected with a water absorption expansion device (3), the inner surface of the water absorption expansion device (3) is fixedly connected with a waterproof film (2), one side of the PE pipe (4) is provided with a longitudinal slot (17), a self-temperature-control heat tracing band (7) is spirally connected between the outer surface of the water absorption expansion device (3) and the inner surface of the PE pipe (4), the top end of the self-temperature-control heat tracing band (7) is fixedly connected with a crystal groove (1) at the top of the water absorption expansion device (3), the bottom end of the self-temperature-control heat tracing band (7) is fixedly connected with a crystal head (6) at the bottom of the water absorption expansion device (3), the outer surface at the bottom of the water absorption expansion device (3) is fixedly connected with a latch (5), the inner surface at the top of the water absorption expansion device (3) is provided with a tooth-shaped clamping groove (51), and the, a plurality of mutually support the joint between latch (5) and profile of tooth draw-in groove (51), the middle part of PE pipe (4) internal surface is from last to fixedly connected with temperature sensor (81), humidity transducer (82) and gravity sensor (83) down in proper order, self-control temperature companion tropical (7) bonds in the internal surface of PE pipe (4) through the heat conduction daub spiral, one side of the expansion device that absorbs water (3) bonds in the internal surface of PE pipe (4) through the heat conduction daub.
2. The deicing and snow melting protection device for the stay cable of the bridge according to claim 1, characterized in that: one end of the crystal head (6) is fixedly connected with a heat tracing band metal lead (10), and the crystal head (6) can be matched and connected with the crystal groove (1).
3. The deicing and snow melting protection device for the stay cable of the bridge according to claim 1, characterized in that: the outer surface of the PE pipe (4) is further provided with a buckle (13), the front face of the buckle (13) is fixedly connected with a water level (15), and the middle of the water level (15) is provided with a water level bubble display pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849203.0A CN110725205B (en) | 2019-09-09 | 2019-09-09 | Deicing and snow-melting protection device for bridge stay cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849203.0A CN110725205B (en) | 2019-09-09 | 2019-09-09 | Deicing and snow-melting protection device for bridge stay cable |
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| Publication Number | Publication Date |
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| CN110725205A CN110725205A (en) | 2020-01-24 |
| CN110725205B true CN110725205B (en) | 2021-04-30 |
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| CN201910849203.0A Active CN110725205B (en) | 2019-09-09 | 2019-09-09 | Deicing and snow-melting protection device for bridge stay cable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437550B (en) * | 2020-04-09 | 2021-04-30 | 广东中消安全设备有限公司 | Fire monitor capable of adjusting water quantity |
| CN112188653B (en) * | 2020-10-14 | 2022-10-11 | 安邦电气股份有限公司 | High-temperature electric tracing band |
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| CN110725205A (en) | 2020-01-24 |
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