CN212072360U - Box girder maintenance system - Google Patents
Box girder maintenance system Download PDFInfo
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- CN212072360U CN212072360U CN201922414942.5U CN201922414942U CN212072360U CN 212072360 U CN212072360 U CN 212072360U CN 201922414942 U CN201922414942 U CN 201922414942U CN 212072360 U CN212072360 U CN 212072360U
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Abstract
The utility model belongs to a precast beam yard maintenance system, which provides a box girder maintenance system, comprising a water collecting ditch, a water collecting tank, geotechnical cloth, a protective cover and a plurality of groups of spraying devices, in order to solve the technical problems that the maintenance quality is difficult to control, the maintenance effect is poor and the strength and durability of concrete are affected when manual water spraying is carried out on the box girder in the precast beam yard in the prior art, and especially the box girder bottom plate with a short beam pier can not be maintained manually; each group of spraying devices respectively and correspondingly cover the web plate, the bottom plate, the bridge floor, the beam end and the box interior of the box girder; each spraying device is connected with an external water source through a water supply pipeline; the water collecting ditch is arranged at the periphery of the bottom of the box girder and is communicated with the water collecting tank; a filtering device is arranged in the water collecting tank, and a water outlet of the water collecting tank is communicated with the water supply pipeline; the geotechnical cloth covers the bridge floor and the beam end, and the protective cover wraps the steel strand and the anchorage device extending out of the beam end.
Description
Technical Field
The utility model belongs to precast beam field maintenance system, concretely relates to case roof beam maintenance system.
Background
The beam yard bears the box girder prefabricating task, the monthly production capacity generally reaches dozens of beams, the maximum beam storage capacity is hundreds of beams, the maintenance is carried out according to the general maintenance cycle of 14 days, and 20-30 beams are required to be maintained simultaneously every day in the production peak period.
The temperature, humidity and curing duration time in concrete curing work are three major factors of concrete curing. The artifical watering maintenance of traditional precast beam is great to workman's dependence, and is difficult for standardizing the management, causes most of the circumstances to keep the surface moist state in can not satisfying the concrete maintenance period, and the maintenance quality is difficult to control. The early curing shrinkage and temperature difference crack of the concrete are easily caused, and the strength and the durability of the concrete are directly influenced.
Particularly, for the maintenance of the bottom plate of the beam body, the design height of the beam storage buttress is often only dozens of centimeters, the sprinkling range of the bottom plate is hundreds of square meters, and the bottom plate full-coverage sprinkling operation can not be basically completed by manpower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a when solving among the prior art artifical watering and carrying out concrete curing to the case roof beam in the precast beam yard, there is maintenance quality uncontrollable, and the maintenance effect is not good influences concrete strength and durability, especially deposits the technical problem of the shorter case roof beam bottom plate of roof beam buttress unable manual maintenance basically, provides a case roof beam maintenance system.
In order to achieve the above object, the utility model provides a following technical scheme:
a box girder maintenance system is characterized by comprising a water collecting ditch, a water collecting tank, geotextile, a protective cover and a plurality of groups of spraying devices;
each group of spraying devices respectively and correspondingly cover the web plate, the bottom plate, the bridge floor, the beam end and the box interior of the box girder; each spraying device is connected with an external water source through a water supply pipeline;
the water collecting ditch is arranged at the periphery of the bottom of the box girder and is communicated with the water collecting tank; a filtering device is arranged in the water collecting tank, and a water outlet of the water collecting tank is communicated with the water supply pipeline;
the geotechnical cloth covers the bridge floor and the beam end, and the protective cover wraps the steel strand and the anchorage device extending out of the beam end.
Further, the water collecting tank comprises a first sedimentation tank and a second sedimentation tank which are communicated, and the filtering device comprises a first filtering net and a second filtering net; the first filter screen is arranged at the water inlet of the first sedimentation tank, and the second filter screen is arranged at the water inlet of the second sedimentation tank.
Furthermore, the spraying device for covering the box girder web is provided with a plurality of 110-degree fan-shaped rotating spray heads, and the coverage range of adjacent spray heads is 1.5m crossed.
Furthermore, the spraying device covering the bottom plate of the box girder is a plurality of 360-degree rotating spray heads, and the coverage range of the adjacent spray heads is crossed by 1 m.
Furthermore, the spraying device covering the bridge deck of the box girder is provided with a plurality of 180-degree high-pressure spraying rotary nozzles.
Furthermore, the spraying device covering the box girder box is provided with a plurality of 180-degree fan-shaped swinging type spray heads, and the coverage range of the adjacent spray heads is crossed by 1.5 m.
Furthermore, the spraying device is arranged at two ends of the box girder.
Furthermore, an external water collecting tank is welded by adopting steel plates, and the water collecting tank is arranged in the closed space.
Furthermore, an electronic valve is arranged between each spraying device and the water supply pipeline.
Further, the water supply pipeline is connected with a water well through a booster pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a case roof beam maintenance system causes each spray set with outside water source through the supply channel, sprays respectively to the web of case roof beam, bottom plate, bridge floor, beam-ends and incasement through spray set, and the rivers after spraying go into the catch basin, lead back to the catch basin through the collector pipeline, through filtering the processing back and return to the supply channel reuse, form the circulation water route and deliver water to each region of case roof beam, cover all surfaces of case roof beam. In addition, in order to prevent the corrosion of the steel strand and the anchorage device, the protective cover is wrapped outside the steel strand and the anchorage device. The utility model discloses a maintenance system forms circulation maintenance system, has reduced the waste of water resource, simultaneously, has effectively reduced maintenance personal's working strength, has also avoided the construction risk that maintenance portion in time caused.
2. The utility model discloses a water catch basin includes two sedimentation tanks, and the reuse water that gets into every sedimentation tank filters through first filter screen and second filter screen in proper order, but through filtering back reuse or sink into the sedimentation tank, reaches pollution-free emission.
3. The utility model discloses each region of well case roof beam adopts corresponding shower nozzle respectively to inject the cross coverage of adjacent shower nozzle, can avoid appearing alternately the dead angle.
4. The utility model discloses a catch basin sets up in the enclosure space, can ensure retaining constant temperature, makes maintenance temperature and roof beam body surface difference in temperature can satisfy the maintenance demand.
5. The utility model discloses an all be equipped with electronic valve between each spray set and the supply channel, spray the flow through electronic valve control, form complete automatic spray system.
Drawings
FIG. 1 is a schematic diagram of the pipeline distribution of the embodiment of the box girder curing system of the present invention;
FIG. 2 is a schematic structural view of a water collecting tank according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the spraying device and the water collecting channel according to the embodiment of the present invention.
The system comprises a spraying device 1, a water collecting tank 2, a first settling tank 201, a second settling tank 202, a water supply pipeline 3, a water collecting pipeline 4, a first filter screen 501, a second filter screen 502, a water collecting ditch 6, a booster pump 7, a water well 8, a beam-storing buttress 9, a box girder 10, a web 1001, a bottom plate 1002, a bridge deck 1003, a beam end 1004 and an inner box 1005.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are not limitations of the present invention.
Referring to fig. 1 to 3, a box girder maintenance system includes a water collecting trench 6, a water collecting tank 2, geotextiles, a protective cover, and a plurality of groups of spraying devices 1.
The maintenance water comes from the sump 8, will intake water and send to supply channel 3 through booster pump 7, send to each group spray set 1 through supply channel 3, each group spray set 1 corresponds web 1001 who covers the case roof beam respectively, the bottom plate 1002, the bridge floor 1003, roof beam end 1004 and incasement 1005, geotechnological cloth covers on bridge floor 1003 and roof beam end 1004, the protection casing wraps up outside steel strand wires and the ground tackle that stretch out by the roof beam end, avoid water to its corrosion, water collects to setting up in case roof beam 10 bottom outlying catch basin 6 after the maintenance, catch basin 6 is linked together with catch basin 2, collect the water route to in catch basin 2. The water collecting tank 2 comprises a first sedimentation tank 201 and a second sedimentation tank 202 which are communicated, a first filter screen 501 is arranged at a water inlet of the first sedimentation tank, a second filter screen 502 is arranged at a water inlet of the second sedimentation tank 202, and a recycled water path is filtered and precipitated in the water collecting tank 2 and then is converged into the water supply pipeline 3 again through the booster pump 7, so that a recycled maintenance water path is formed. An electronic valve is arranged between each spraying device 1 and the water supply pipeline 3, and the spraying flow of each spraying device 1 can be controlled according to maintenance requirements.
Wherein, the main pipeline of water supply line 3 adopts DN75mmPPR hot melt pipe, and the water route adopts DN50mmPPR hot melt pipe when supplying to each spray set place branch road.
The maintenance system is adopted to maintain the box girder with the height of the girder storage buttress 9 stored in a certain girder yard being 70cm and the sprinkling range of the bottom plate 1002 being 5.5m by 32.6m, and the specific scheme is as follows:
the collecting basin 3 is formed by welding steel plates, the capacity is about 120m3, the color steel plate house is adopted for full sealing, so as to ensure the requirement of water storage constant temperature, the recovered maintenance water enters the collecting basin 2 after being collected by the annular collecting ditch 6, and the collecting basin 3 can also be communicated with the collecting ditch 6 through the collecting pipeline 4. The web 1001 is maintained by adopting 7 110-degree fan-shaped rotary nozzles, the effective coverage range is 5.5m, and the coverage ranges of adjacent nozzles are crossed by 1.5 m; maintaining the bottom plate 1002, wherein 7 360-degree rotary spray heads are adopted, the effective radius of each spray head is 3m, and the adjacent coverage cross range is 1 m; maintaining the bridge deck 1003, namely covering and maintaining by adopting geotextile, configuring 4 high-pressure injection rotating heads, rotating the rotating angles to be 0-180 degrees, and enabling the effective lift to be 9 m; maintaining the beam end 1004, namely covering and maintaining by adopting geotextile, and installing a protective cover for preventing the steel strand and the anchorage from being rusted and preventing water from entering the pipeline; and (3) maintaining 1005 in the box, arranging 7 180-degree fan-shaped swinging type spray heads, wherein the effective coverage area of a single fan-shaped spray head is 5.5m, and the coverage areas of adjacent spray heads are crossed by 1.5 m. In addition, light spraying equipment is arranged at two ends of the box girder for supplementary maintenance, so that partial area is prevented from being uncovered.
In addition, according to the field requirements of the beam yard, monitoring equipment can be arranged in the maintenance area of the beam yard, a monitoring system of the corresponding monitoring equipment is directly used, the maintenance condition of the box beam can be monitored and tracked in real time in a monitoring room, managers can communicate with the field in time through the visual intercom system, emergencies are processed, and the high efficiency and the high quality of beam body maintenance are guaranteed. And corresponding mobile phone apps or computer control software can be configured for the monitoring system, so that intelligent management is facilitated.
Aiming at the maintenance system, a specially-assigned person can be arranged to manage maintenance work, and accessories such as pump stations, pipelines, spray heads and the like are regularly checked and timely maintained. Managers can adjust the spraying timing according to the environmental state within the preset maintenance time, and the requirement that the surface of the box girder is wet is met. Can satisfy the simultaneous maintenance of a plurality of box beams 10, can be adjusted at intervals according to water pressure, and is preferably operated with 2-3 beams synchronously. Maintenance personnel can also detect the humidity and the temperature on the surface of the box girder 10 at intervals of preset time, measure and control the water temperature and the flow in time, and the requirement that the temperature difference between the maintenance water temperature and the surface of the girder body is not more than 15 ℃ is met.
The above is only the embodiment of the present invention, and is not the limitation of the protection scope of the present invention, all the equivalent structure changes made in the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a case roof beam maintenance system which characterized in that: comprises a water collecting ditch (6), a water collecting tank (2), geotextile, a protective cover and a plurality of groups of spraying devices (1);
the multiple groups of spraying devices (1) respectively and correspondingly cover a web plate (1001), a bottom plate (1002), a bridge deck (1003), a beam end (1004) and an inner box (1005) of the box girder (10); each spraying device (1) is connected with an external water source through a water supply pipeline (3);
the water collecting ditch (6) is arranged at the periphery of the bottom of the box girder (10), and the water collecting ditch (6) is communicated with the water collecting pool (2) through a water collecting pipeline (4); a filtering device is arranged in the water collecting tank (2), and a water outlet of the water collecting tank (2) is communicated with the water supply pipeline (3);
the geotechnical cloth covers the bridge deck (1003) and the beam end (1004), and the protective cover is wrapped outside the steel strand and the anchorage device which extend out of the beam end.
2. A box girder maintenance system according to claim 1, wherein: the water collecting tank (2) comprises a first sedimentation tank (201) and a second sedimentation tank (202) which are communicated with each other, and the filtering device comprises a first filtering net (501) and a second filtering net (502); the first filter screen (501) is arranged at a water inlet of the first sedimentation tank (201), and the second filter screen (502) is arranged at a water inlet of the second sedimentation tank (202).
3. A box girder maintenance system according to claim 1 or 2, wherein: the spraying device (1) covering the web (1001) of the box girder (10) is provided with a plurality of 110-degree fan-shaped rotating nozzles, and the coverage range of adjacent nozzles intersects 1.5 m.
4. A box girder maintenance system according to claim 3, wherein: the spraying device (1) covering the bottom plate (1002) of the box girder (10) is provided with a plurality of 360-degree rotary nozzles, and the coverage ranges of adjacent nozzles are crossed by 1 m.
5. A box girder maintenance system according to claim 4, wherein: the spraying device (1) covering the bridge deck (1003) of the box girder (10) is provided with a plurality of 180-degree high-pressure spraying rotary nozzles.
6. A box girder maintenance system according to claim 5, wherein: the spraying device (1) covering the box beam (10) and the box inner part (1005) is provided with a plurality of 180-degree fan-shaped swinging type spray heads, and the coverage range of adjacent spray heads is crossed by 1.5 m.
7. A box girder maintenance system according to claim 6, wherein: the box girder spraying device further comprises spraying devices arranged at two ends of the box girder (10).
8. A box girder maintenance system according to claim 7, wherein: the water collecting tank (2) is welded by steel plates, and the water collecting tank (2) is arranged in the closed space.
9. A box girder maintenance system according to claim 8, wherein: electronic valves are arranged between each spraying device (1) and the water supply pipeline (3).
10. A box girder maintenance system according to claim 9, wherein: the water supply pipeline (3) is connected with the water collecting tank (2) and the water well (8) through a booster pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922414942.5U CN212072360U (en) | 2019-12-29 | 2019-12-29 | Box girder maintenance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922414942.5U CN212072360U (en) | 2019-12-29 | 2019-12-29 | Box girder maintenance system |
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| Publication Number | Publication Date |
|---|---|
| CN212072360U true CN212072360U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922414942.5U Active CN212072360U (en) | 2019-12-29 | 2019-12-29 | Box girder maintenance system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936540A (en) * | 2021-01-30 | 2021-06-11 | 安徽建筑大学 | Civil construction is with precast beam maintenance atomizer |
| CN115419098A (en) * | 2022-10-14 | 2022-12-02 | 中铁七局集团有限公司 | Beam yard intermediate station and construction method thereof |
-
2019
- 2019-12-29 CN CN201922414942.5U patent/CN212072360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936540A (en) * | 2021-01-30 | 2021-06-11 | 安徽建筑大学 | Civil construction is with precast beam maintenance atomizer |
| CN115419098A (en) * | 2022-10-14 | 2022-12-02 | 中铁七局集团有限公司 | Beam yard intermediate station and construction method thereof |
| CN115419098B (en) * | 2022-10-14 | 2023-10-27 | 中铁七局集团有限公司 | Beam manufacturing field intermediate station and construction method thereof |
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