CN215089449U - Bridge suspension cable deicing equipment - Google Patents
Bridge suspension cable deicing equipment Download PDFInfo
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- CN215089449U CN215089449U CN202120357380.XU CN202120357380U CN215089449U CN 215089449 U CN215089449 U CN 215089449U CN 202120357380 U CN202120357380 U CN 202120357380U CN 215089449 U CN215089449 U CN 215089449U
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- stay cable
- bridge
- heat insulation
- deicing equipment
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Abstract
The utility model relates to a bridge suspension cable deicing equipment, including setting up the radiation shield on the suspension cable, be provided with the heat source in the radiation shield, the last extension of radiation shield is provided with the insulating tube, be provided with the heater strip in the insulating tube, the insulating tube is established on the suspension cable, the heater strip is connected with the power, the power is connected with power supply mechanism, and when the in-service use, set up the radiation shield at the both ends position of suspension cable to conveniently implement the installation to the insulating tube, set up the heater strip in the insulating tube, implement the support of flare-outing to the heater strip, and supply electric quantity in to the power through power supply mechanism, reduce the demand to peripheral power supply, after the environment reduces to the freezing point, through starting the heater strip, can effectively place the ice that produces on the suspension cable, ensure the safe handling of bridge.
Description
Technical Field
The utility model belongs to the technical field of engineering construction equipment technique and specifically relates to a bridge suspension cable deicing equipment.
Background
The cable-stayed bridge is a bridge with a main beam directly pulled on a bridge tower by a plurality of cable-stayed cables, is a structural system combined by a pressure-bearing tower, the pulled cables and a bending-bearing beam body, can be regarded as a multi-span elastic support continuous beam with a cable-stayed cable replacing a buttress, can reduce the bending moment in the beam body, reduce the building height, lighten the structural weight and save materials, wherein the cable-stayed cable is a main bearing and force-transmitting component of the cable-stayed bridge.
In the operation process of the cable-stayed bridge, the phenomena of (freezing) rain and snow, icing and the like caused by climatic reasons in the middle and north areas of China easily cause great hidden dangers to the structure and traffic safety of the bridge, for the stay cable, a part of rain and snow is left on the stay cable after the rain and snow weather passes, and the stay cable can be iced when the temperature is lower than 0 ℃; on one hand, snow or ice accumulated on the stay cable can change the cross section shape of the stay cable, so that the aerodynamic characteristics of the stay cable are changed, the wind-induced vibration response of the bridge is changed, and the structural safety of the bridge is threatened; on the other hand, in the middle area of China (the lowest temperature is near 0 ℃ in winter), the temperature of the bridge deck is still above 0 ℃ or no icing phenomenon occurs, the high altitude of the guy cable close to the bridge tower is already below 0 ℃, rain and snow left on the guy cable are condensed into ice, the icing on the surface of the guy cable can damage the guy cable structure, meanwhile, ice blocks condensed on the guy cable can fall off from the guy cable due to the influence of external factors such as temperature rise, wind blowing or normal vibration of the guy cable, and the like, and when the ice blocks with higher positions fall off, the ice blocks with higher speed can cause great potential safety hazards to vehicles normally running on the bridge deck, even can cause interlinked traffic accidents in severe cases, and cause great personal and property loss, so that the generated public opinion is extremely unfavorable for social stability.
In the prior art, an anti-ice thermal insulation sleeve is arranged on a stay cable, however, in the installation process of the stay cable, a gap is easily generated between the inclined upper end of the thermal insulation sleeve and the stay cable, and in winter, water flow is easily accumulated in the thermal insulation sleeve, so that the icing phenomenon is caused; and one part of the stay cables is provided with the electric heating wires, so that the deicing effect of the electric heating wires is good, and the later maintenance cost is very high due to the fact that the electric heating wires are easily corroded.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the deicing equipment for the stay cable of the bridge can effectively implement deicing on the stay cable and reduce maintenance cost.
The utility model provides a solve technical problem and adopt following technical scheme:
the utility model provides a bridge suspension cable deicing equipment, is including setting up the radiation shield on the suspension cable, be provided with the heat source in the radiation shield, the extension is provided with the insulating tube on the radiation shield, be provided with the heater strip in the insulating tube, the insulating tube is established on the suspension cable, the heater strip is connected with the power, the power is connected with power supply mechanism.
The utility model discloses still there is following technical characteristic:
the heat insulation sleeve is sleeved at the two ends of the stay cable, a heating pipe is arranged in the heat insulation sleeve, and the heating wire is wound on the outer wall of the heating pipe.
The heating pipe is a metal pipe, a spiral groove is formed in the outer wall of the heating pipe and arranged along the length direction of the heating pipe, and the heating wire is wound in the spiral groove.
And a cover body is arranged at one end of the heat preservation pipe and is fixed with one end of the heat insulation sleeve.
The heating pipe is characterized in that an installation pipe is further arranged in the heating pipe, the installation pipe and the heating pipe are arranged concentrically, a sealing cover is arranged at one end of the installation pipe, and the sealing cover and the other end of the heat preservation pipe form a cover and an operation.
The inner wall of the heat preservation pipe is provided with a longitudinal groove, the longitudinal groove is arranged along the length direction of the heat preservation pipe, and the heating wires are arranged in the longitudinal groove.
The heat preservation pipe is characterized in that an external thread section is arranged on the outer wall of one end of the heat preservation pipe, an internal thread section is arranged on the inner wall of the cover body, and the internal thread section of the cover body is matched with the external thread section of the heat preservation pipe.
The power supply mechanism is including setting up the backup pad in the foundation ditch on the bridge, the backup pad along the foundation ditch interval sets up, the backup pad sets up on a supporting bench, the backup pad constitutes the sliding fit of vertical direction with a supporting bench, still be provided with the generator in the foundation ditch, the backup pad is connected with drive mechanism's one end, drive mechanism's the other end and the input shaft of generator, the backup pad is located a supporting bench downward slip action and corresponds drive mechanism interlock generator rotation action.
The transmission mechanism comprises a transmission roller arranged beside the support plate, the two ends of the transmission roller are rotatably arranged on the first support, and the support plate slides downwards to move corresponding to the rotation of the transmission roller.
The supporting plate is of a rectangular plate structure, sliding columns are arranged at four corners of the lower plate surface of the supporting plate and are in sliding fit with sliding grooves in the supporting table in the vertical direction, first idler wheels are arranged on the sliding columns, wheel cores of the first idler wheels are horizontal and are perpendicular to the length direction of the supporting plate, steel wire ropes are arranged on the transmission idler wheels, the steel wire ropes are abutted against wheel rims of the first idler wheels, one ends of the steel wire ropes are connected with the lower plate surface of the supporting plate, a restorer is arranged at the other end of the transmission idler wheels, and the restorer is used for driving the transmission idler wheels to rotate and tightening the steel wire ropes;
the face is provided with the sliding fit that sliding sleeve on traveller and the brace table constitutes vertical direction under the backup pad, the cover is equipped with first reset spring on the traveller, first reset spring's upper and lower end supports with the sliding sleeve on face and the brace table under the backup pad respectively and leans on.
Compared with the prior art, the beneficial effects of the utility model are embodied in: when in actual use, set up the radiation shield in the both ends position of suspension cable to conveniently implement the installation to the insulating tube, set up the heater strip in the insulating tube, implement the support of flare-outing to the heater strip, and supply electric quantity in to the power through power supply mechanism, reduce the demand to peripheral power supply, after the environment reduces to the freezing point, through starting the heater strip, can effectively place the ice that produces on the suspension cable, ensure the safe handling of bridge.
Drawings
FIG. 1 is a schematic plan view of an assembled bridge stay cable deicing device and a stay cable;
FIGS. 2 and 3 are schematic cross-sectional views of assembled heat insulation sleeves, heat insulation pipes and mounting pipes in the bridge stay cable deicing equipment;
FIG. 4 is a schematic cross-sectional view of an assembled heat insulation sleeve, a heat insulation pipe, an installation pipe and a stay cable in the bridge stay cable deicing device;
FIG. 5 is a plan view of a tube section of the insulating tube;
FIG. 6 is a schematic structural view of a heating tube;
fig. 7 and 8 are cross-sectional views of the power supply mechanism in two states.
Detailed Description
Referring to fig. 1 to 8, the structural features of the bridge stay cable deicing equipment are detailed as follows:
a bridge stay cable deicing device comprises a heat insulation sleeve 200 arranged on a stay cable 100, wherein a heat source is arranged in the heat insulation sleeve 200, a heat insulation pipe 300 is arranged on the heat insulation sleeve 200 in an extending mode, a heating wire 310 is arranged in the heat insulation pipe 300, the heat insulation pipe 300 is sleeved on the stay cable 100, the heating wire 310 is connected with a power supply, and the power supply is connected with a power supply mechanism 400;
in practical use, the heat insulation sleeves 200 are arranged at the two ends of the stay cable 100 to facilitate installation of the heat insulation pipe 300, the heating wires 310 are arranged in the heat insulation pipe 300 to straighten and support the heating wires 310, and the power supply mechanism 400 supplies power to the power supply, so that the requirement on peripheral power supply is reduced, and after the environment is lowered to the freezing point, ice generated on the stay cable can be effectively placed by starting the heating wires 310, so that the safe use of the bridge is ensured;
the power supply of the power supply can adopt municipal power supply, however, the power supply of the municipal power supply also has the condition of power failure in the northern environment in many ice periods, therefore, the power supply mechanism 400 independently arranged outside ensures that the heating wire 310 can have a power supply source of temperature, further ensures that the heating wire 310 stably generates heat, a control module and a temperature sensor can be arranged on the bridge, when the temperature sensor detects that the external environment is too low, the control unit sends an instruction to electrify the heating wire 310, and further the icing problem generated by the stay cable 100 can be effectively avoided.
To implement the problem of icing generated at the two ends of the stay cable 100, the heat insulation sleeve 200 is sleeved at the two ends of the stay cable 100, the heat pipe 210 is arranged in the heat insulation sleeve 200, and the heating wire 310 is wound on the outer wall of the heat pipe 210;
when the operation of straightening the heating wire 310 along the length direction of the stay cable 100 is performed, the heating wire 310 is wound along the outer wall of the heating pipe 210 and then passes through the heat preservation pipe 300, so that the electric heating wire 310 is straightened and coated on the stay cable 100, thereby ensuring stable and reliable heating of the stay cable 100.
More specifically, in order to reliably heat the two ends of the stay cable 100, the heating pipe 210 is a metal pipe, the outer wall of the heating pipe 210 is provided with a spiral groove 211, the spiral groove 211 is arranged along the length direction of the heating pipe 210, and the heating wire 310 is wound in the spiral groove 211;
the electric heating wire 310 is wound along the spiral groove 211, so that the heating reliability of the two ends of the stay cable 100 can be achieved, and the deicing operation of the surface of the stay cable 100 can be effectively performed by increasing the heating temperature of the two ends of the stay cable 100 and further by the heat conduction of the stay cable 100.
In order to prevent external water from entering the insulating tube 300 and thus the stay cable 100, a cover 320 is disposed at one end of the insulating tube 300, and the cover 320 is fixed to one end of the heat insulating sleeve 200.
More specifically, in order to implement stable and reliable installation of the heating pipe 210 and the heat insulating sleeve 200, an installation pipe 220 is further disposed in the heating pipe 210, the installation pipe 220 and the heating pipe 210 are concentrically arranged, one end of the installation pipe 220 is provided with a closing cap 221, and the closing cap 221 and the other end of the heat insulating pipe 300 form a cap and operate;
the heating pipe 210 is sleeved outside the mounting pipe 220, so that the heating pipe 210 is prevented from rotating randomly, and the mounting pipe 220 and the heating pipe 210 are mounted into a whole, so that the heating pipe 210, the mounting pipe 220 and the heat insulation sleeve 200 can be stably and reliably mounted.
Specifically, in order to implement the arrangement of the heating wires 310 and further to arrange the heating wires 310 along the length direction of the insulating tube 300 and arrange the heating wires 310 along the length direction of the stay cable 100, so as to reliably implement the heating of the stay cable 100, the inner wall of the insulating tube 300 is provided with a longitudinal groove 330, the longitudinal groove 330 is arranged along the length direction of the insulating tube 300, and the heating wires 310 are arranged in the longitudinal groove 330.
In order to fix the thermal insulation pipe 300 and the spacer sleeve 200, an external thread section is arranged on the outer wall of one end of the thermal insulation pipe 300, an internal thread section is arranged on the inner wall of the cover body 320, and the internal thread section of the cover body 320 is matched with the external thread section of the thermal insulation pipe 300.
In order to supply power to a power supply and avoid the situation that a municipal road cannot provide a stable power supply under a severe environment, the power supply mechanism 400 comprises a support plate 410 arranged in a foundation pit 510 on a bridge, the support plate 410 is arranged at intervals along the foundation pit 510, the support plate 410 is arranged on a support table 520, the support plate 410 and the support table 520 form a vertical sliding fit, a generator 420 is further arranged in the foundation pit 510, the support plate 410 is connected with one end of a transmission mechanism, the other end of the transmission mechanism is connected with an input shaft of the generator 420, and the support plate 410 is positioned on the support table 520 and slides downwards to move corresponding to the transmission mechanism to interlock the generator 420 to rotate;
reserve in advance on the bridge and establish one section foundation ditch 510, foundation ditch 510's the degree of depth should not be too dark, avoids normally passing through to the vehicle and produces the influence, and when the vehicle passed through, the vehicle was pressed and is established in backup pad 410 for backup pad 410 is along the vertical lift of brace table 520, thereby through biography merit mechanism, and interlock generator 420 rotates, in order to implement the charging to the battery, and then ensures that the battery has reliable power supply all the time.
Specifically, when the rotation of the generator 420 is performed, the transmission mechanism includes a transmission roller 430 disposed beside the support plate 410, two ends of the transmission roller 430 are rotatably disposed on the first bracket 411, and the downward sliding motion of the support plate 410 corresponds to the rotation motion of the transmission roller 430;
when the rotation of the generator 420 is performed, the driving roller 430 is connected to the rotating shaft of the generator 420, and the downward sliding motion of the supporting plate 410 corresponds to the rotating motion of the driving roller 430, thereby performing the rotation of the generator 420.
Specifically, the support plate 410 is a rectangular plate structure, four corners of a lower plate surface of the support plate 410 are provided with sliding columns 412 which are in sliding fit with sliding grooves in the support table 520 in the vertical direction, a first roller 413 is arranged on the sliding column 412, a wheel core of the first roller 413 is horizontal and vertical to the length direction of the support plate 410, a steel wire rope 440 is arranged on the transmission roller 430, the steel wire rope 440 abuts against a wheel rim of the first roller 413, one end of the steel wire rope is connected with the lower plate surface of the support plate 410, the other end of the transmission roller 430 is provided with a restorer, and the restorer is used for driving the transmission roller 430 to rotate and tightening the steel wire rope 440;
when the generator 420 is rotated, the support plate 410 moves vertically, the linkage wire rope 440 stretches, so that the transmission roller 430 rotates to drive the generator 420 to rotate forward and backward, and then when the support plate 410 is reset, the resetting device tightens the wire rope 440.
More specifically, the lower plate surface of the support plate 410 is provided with a sliding column 412 which forms a sliding fit with the sliding sleeve on the support table 520 in the vertical direction, the sliding column 412 is sleeved with a first return spring 414, and the upper end and the lower end of the first return spring 414 are respectively abutted to the lower plate surface of the support plate 410 and the sliding sleeve on the support table 520.
The heat insulation sleeve 200, the heat insulation pipe 300, the heating pipe 210 and the installation pipe 220 are all in a half-pipe structure, and the jaws arranged at the pipe orifice of the half-pipe structure are buckled on the stay cable 100, so that the heat insulation sleeve 200, the heat insulation pipe 300, the heating pipe 210 and the installation pipe 220 can be conveniently installed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a bridge suspension cable deicing equipment which characterized in that: the heat insulation device comprises a heat insulation sleeve (200) arranged on a stay cable (100), a heat source is arranged in the heat insulation sleeve (200), a heat insulation pipe (300) is arranged on the heat insulation sleeve (200) in an extending mode, a heating wire (310) is arranged in the heat insulation pipe (300), the heat insulation pipe (300) is sleeved on the stay cable (100), the heating wire (310) is connected with a power supply, the power supply is connected with a power supply mechanism (400), the power supply mechanism (400) comprises a support plate (410) arranged in a foundation pit (510) on a bridge, the support plate (410) is arranged along the foundation pit (510) at intervals, the support plate (410) is arranged on a support table (520), the support plate (410) and the support table (520) form a sliding fit in the vertical direction, a generator (420) is further arranged in the foundation pit (510), and the support plate (410) is connected with one end of a transmission mechanism, the other end of the transmission mechanism is connected with an input shaft of the generator (420), and the support plate (410) is positioned on the support table (520) and slides downwards to move corresponding to the transmission mechanism to interlock with the generator (420) to rotate.
2. The bridge stay cable deicing equipment of claim 1, characterized in that: the heat insulation sleeve (200) is sleeved at the two ends of the stay cable (100), a heating pipe (210) is arranged in the heat insulation sleeve (200), and the heating wire (310) is wound on the outer wall of the heating pipe (210).
3. The bridge stay cable deicing equipment of claim 2, characterized in that: heating pipe (210) are the tubular metal resonator, the outer wall of heating pipe (210) is provided with helicla flute (211), helicla flute (211) are arranged along heating pipe (210) length direction, heater strip (310) are around establishing in helicla flute (211).
4. The bridge stay cable deicing equipment of claim 3, characterized in that: one end of the heat preservation pipe (300) is provided with a cover body (320), and the cover body (320) is fixed with one end of the heat insulation sleeve (200).
5. The bridge stay cable deicing equipment of claim 4, characterized in that: still be provided with installation pipe (220) in heating pipe (210), installation pipe (220) and heating pipe (210) are arranged with one heart, the one end of installation pipe (220) is provided with closing cap (221), closing cap (221) constitutes lid and operation with the other end of insulating tube (300).
6. The bridge stay cable deicing equipment of claim 5, characterized in that: the inner wall of insulating tube (300) is provided with vertical groove (330), vertical groove (330) are arranged along insulating tube (300) length direction, heater wire (310) set up in vertical groove (330).
7. The bridge stay cable deicing equipment of claim 6, characterized in that: the heat preservation pipe is characterized in that an external thread section is arranged on the outer wall of one end of the heat preservation pipe (300), an internal thread section is arranged on the inner wall of the cover body (320), and the internal thread section of the cover body (320) is matched with the external thread section of the heat preservation pipe (300).
8. The bridge stay cable deicing equipment of claim 1, characterized in that: the transmission mechanism comprises a transmission roller (430) arranged beside the supporting plate (410), the two ends of the transmission roller (430) are rotatably arranged on the first support (411), and the supporting plate (410) slides downwards to move corresponding to the rotation of the transmission roller (430).
9. The bridge stay cable deicing equipment of claim 8, characterized in that: the supporting plate (410) is of a rectangular plate structure, sliding columns (412) are arranged at four corners of the lower plate surface of the supporting plate (410) and are in sliding fit with sliding grooves in the supporting table (520) in the vertical direction, first rollers (413) are arranged on the sliding columns (412), the wheel cores of the first rollers (413) are horizontal and are perpendicular to the length direction of the supporting plate (410), steel wire ropes (440) are arranged on the transmission rollers (430), the steel wire ropes (440) abut against the wheel rims of the first rollers (413), one end of each steel wire rope is connected with the lower plate surface of the supporting plate (410), a restorer is arranged at the other end of each transmission roller (430), and the restorer is used for driving the transmission rollers (430) to rotate and tighten the steel wire ropes (440).
10. The bridge stay cable deicing equipment of claim 9, characterized in that: the slide post (412) is arranged on the lower plate surface of the supporting plate (410) and forms sliding fit with the sliding sleeve on the supporting table (520) in the vertical direction, a first return spring (414) is sleeved on the slide post (412), and the upper end and the lower end of the first return spring (414) are respectively abutted to the lower plate surface of the supporting plate (410) and the sliding sleeve on the supporting table (520).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357380.XU CN215089449U (en) | 2021-02-07 | 2021-02-07 | Bridge suspension cable deicing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357380.XU CN215089449U (en) | 2021-02-07 | 2021-02-07 | Bridge suspension cable deicing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215089449U true CN215089449U (en) | 2021-12-10 |
Family
ID=79335000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120357380.XU Active CN215089449U (en) | 2021-02-07 | 2021-02-07 | Bridge suspension cable deicing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215089449U (en) |
-
2021
- 2021-02-07 CN CN202120357380.XU patent/CN215089449U/en active Active
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