CN113733326A - Prefabricated segment box girder spraying maintenance system - Google Patents
Prefabricated segment box girder spraying maintenance system Download PDFInfo
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- CN113733326A CN113733326A CN202110976653.3A CN202110976653A CN113733326A CN 113733326 A CN113733326 A CN 113733326A CN 202110976653 A CN202110976653 A CN 202110976653A CN 113733326 A CN113733326 A CN 113733326A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 53
- 238000005507 spraying Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 148
- 239000007921 spray Substances 0.000 claims abstract description 63
- 241001640558 Cotoneaster horizontalis Species 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a spraying maintenance system for a prefabricated section box girder, and relates to the field of concrete prefabricated part maintenance. The prefabricated section box girder spraying maintenance system comprises a supporting pedestal, a moving frame, a box girder horizontal section spraying frame, a box girder side wall spraying frame and a water supply assembly; the supporting pedestal comprises a supporting pedestal body and a supporting platform, and a water flowing groove surrounding the periphery of the supporting platform is arranged at the position, connected with the supporting platform, on the supporting pedestal body; the movable frame is movably assembled on the support base body, a top spray pipe is installed on the movable frame, the box girder horizontal section spray frame comprises a plurality of connecting rods which are arranged in the support table and are arranged at intervals along the front-back direction, and horizontal spray pipes are installed at the left end and the right end of each connecting rod; the box girder side wall spray frame comprises a spray frame body pre-embedded in the support seat body and a side wall spray head arranged on the spray frame body; the water supply assembly comprises a water supply tank and a water supply main pipe connected with the water supply tank. Can spray the maintenance to prefabricated festival section case roof beam comprehensively, reduce the maintenance degree of difficulty, can also retrieve reuse to the water resource.
Description
Technical Field
The invention relates to the field of precast concrete curing, in particular to a precast segment box girder spraying curing system.
Background
After concrete is poured, it sets and hardens gradually, mainly as a result of the hydration of the concrete, which requires appropriate temperature and humidity conditions. After concrete is poured, if the concrete is hot and air-dried in weather and is not sprayed for curing in time, water in the concrete is evaporated too quickly, so that cement particles which form gel cannot be fully hydrated and converted into stable crystals, and the cement particles lack enough cohesive force, so that flaky or powdery falling can be generated on the surface of the concrete. In addition, when the concrete does not have sufficient strength, the premature evaporation of water also causes large shrinkage deformation, and drying shrinkage cracks occur, which affect the durability and integrity of the concrete. Therefore, the curing of the concrete at the initial stage after the concrete is poured is very important, and the curing should be performed immediately after the concrete is finally set.
The maintenance of watering of prefabricated segmental box girder is comparatively convenient and economic maintenance mode at present, but in view of the length and the volume of prefabricated segmental box girder, the maintenance operation degree of difficulty is great for traditional manual watering, appears leaking the foster phenomenon easily, causes the defect of prefab, and the manual watering causes the waste of water resource easily moreover.
Disclosure of Invention
In view of this, the invention aims to provide a spraying maintenance system for a prefabricated segmental box girder, so as to solve the technical problems that in the prior art, the difficulty is high, maintenance omission and water resource waste are easy to occur when the prefabricated segmental box girder is watered and maintained manually.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
prefabricated segment box girder sprays maintenance system includes:
the supporting pedestal comprises a supporting pedestal body and a supporting platform which is arranged on the supporting pedestal body and used for supporting the prefabricated segment box girder, the length direction of the supporting pedestal body is defined as the front-back direction, the width direction of the supporting pedestal body is defined as the left-right direction, a water flowing groove surrounding the periphery of the supporting platform is arranged at the position where the supporting pedestal body is connected with the supporting platform, and sliding rails extending along the front-back direction are also arranged at the positions of the left side and the right side of the supporting platform on the supporting pedestal body;
the movable frame is movably assembled on the sliding rail, a top spraying pipe is movably assembled on the movable frame in the up-down direction, the top spraying pipe is connected with a top water supply pipe, the top spraying pipe is communicated with a plurality of top nozzles for spraying the top of the prefabricated section box girder, the movable frame is rotatably assembled at positions on the left side and the right side of the supporting table, the water collecting plates are arranged below inclined planes of the prefabricated section box girder in a rotating mode, a drainage pipe is communicated with the lower portion of each water collecting plate, and the lower end of each drainage pipe extends into the water flowing groove;
the box girder horizontal section spraying frame comprises a plurality of connecting rods which are arranged in a supporting platform and are arranged at intervals along the front-back direction, the left end and the right end of each connecting rod are connected with horizontal spraying pipes, each horizontal spraying pipe is connected with a horizontal spray head, any two adjacent horizontal spraying pipes on the same side of each connecting rod are communicated through horizontal short pipes, and the two horizontal short pipes which are arranged at the foremost end and are positioned at the left side and the right side of the supporting platform are connected with a horizontal water supply pipe;
the box girder side wall spray frame comprises a spray frame body pre-embedded in a support base body and side wall spray heads installed on the spray frame body, wherein the spray frame body comprises side wall spray pipes which are arranged at intervals along the front-back direction and extend along the left-right direction and side wall water supply pipes communicated with the side wall spray pipes;
the water supply assembly comprises a water supply tank arranged on the support base body and a water supply main pipe connected with the water supply tank, wherein the water supply main pipe is connected with a water pump and is communicated with a horizontal water supply pipe, a side wall water supply pipe and a top water supply pipe through a four-way joint, and electric stop valves with timers are arranged on the horizontal water supply pipe, the side wall water supply pipe and the top water supply pipe; the launder is communicated with the water supply tank.
The beneficial effects of the above technical scheme are: according to the spray maintenance system for the prefabricated section box girder, the top sprayer, the horizontal section and the side wall of the prefabricated section box girder can be correspondingly sprayed with water for maintenance through the top sprayer, the horizontal sprayer and the side wall sprayer respectively, and in the maintenance process, the movable frame can drive the top sprayer to move along the length direction of the prefabricated section box girder so as to comprehensively spray and maintain the top; and the lateral wall shower nozzle and the horizontal shower nozzle that arrange along prefabricated segmental box roof beam length direction interval can carry out comprehensive spraying maintenance to the lateral wall and the horizontal segment of prefabricated segmental box roof beam respectively to avoid appearing leaking the problem of supporting, guarantee the quality of prefabricated segmental box roof beam. In addition, the water sprayed on the top of the prefabricated section box girder can flow into the water collecting plate along the side surface of the prefabricated section box girder and is guided into the water flowing groove through the drainage pipe communicated with the water collecting plate; the excessive water sprayed on the side wall and the horizontal section of the prefabricated segmental box girder also flows into the drainage groove, and the drainage groove is arranged around the support table, so that the excessive water in the maintenance process flows into the drainage groove and flows into the water supply tank along the drainage groove, the water resource is recycled, and the waste of the water resource is reduced; moreover, the maintenance of timesharing interval water spray can be realized through each electric stop valve, and the maintenance quality of prefabricated segment case roof beam is finally guaranteed.
Furthermore, in the up-down direction, the bottom of the cross section of the water flowing groove gradually inclines downwards from back to front.
Has the advantages that: the maintenance water can flow into the water supply tank conveniently, and the accumulation in the water flowing tank is avoided.
Furthermore, filter screens can be detachably arranged in the flumes on the left side and the right side of the support table, and the filter screens are arranged at the positions, close to the water supply tank, of the flumes.
Has the advantages that: the probability that impurities enter the water supply tank can be reduced, and therefore the reuse of the maintenance water is guaranteed.
Furthermore, the connecting rod is a telescopic rod with two telescopic ends.
Has the advantages that: the position of the horizontal spray head can be adjusted by adopting the connecting rod with telescopic two ends, so that the horizontal spray head can be ensured to comprehensively cover the horizontal section of the prefabricated section box girder when spraying water.
Further, the side wall spray pipe comprises a horizontal pipe section embedded in the supporting seat body and a vertical pipe section which is located in the mounting groove and communicated with the horizontal pipe section, a sleeve is connected to the vertical pipe section in a threaded mode, the side wall spray head is connected to the sleeve through a pipe joint, and the side wall spray head can be located in the mounting groove when the sleeve is screwed to the lowest position relative to the vertical pipe section.
Has the advantages that: can adjust the height of lateral wall shower nozzle, and then adjust the scope of spraying of lateral wall shower nozzle, after having used up, can withdraw the lateral wall shower nozzle to the mounting groove in simultaneously, avoid exposing for a long time.
Furthermore, the mounting groove is internally provided with at least three supporting convex blocks which protrude out of the inner groove wall of the mounting groove.
Has the advantages that: the support projection can support and place the cover plate to cover the mounting groove and further form protection for the side wall sprayer.
Further, the part of the water collecting plate below the inclined plane of the precast segment box girder is in a downward sunken arc shape.
Has the advantages that: the excessive moisture for maintaining the top of the prefabricated section box girder can be fully collected.
Further, remove the frame and include two pole settings and cup joint the sliding sleeve in two pole settings respectively, the top shower is connected between two sliding sleeves, and the side of sliding sleeve is equipped with and is used for its fastening bolt with corresponding the pole setting fastening, and the bottom of two pole settings is installed and is corresponded slide rail sliding fit's pulley, installs the driving motor who is used for driving this pole setting upper pulley in one of them pole setting, the water-collecting plate rotates the assembly in the pole setting.
Has the advantages that: can realize the automatic maintenance at prefabricated section case roof beam top, reduce the human input volume, whole simple structure who removes the frame simultaneously.
Drawings
FIG. 1 is a schematic structural view of a precast segmental box girder spray curing system of the present invention;
FIG. 2 is a schematic structural diagram of a support pedestal in the precast segmental box girder spray maintenance system of the invention;
FIG. 3 is a schematic assembly diagram of a box girder horizontal section spray rack and a support table in the precast segment box girder spray maintenance system of the invention;
FIG. 4 is a schematic structural diagram of a box girder side wall spray rack in the precast segment box girder spray curing system of the invention;
FIG. 5 is a schematic cross-sectional view of a flume in the precast segmental box girder spray curing system of the present invention;
fig. 6 is a schematic view showing the connection between the water supply tank and each water supply pipe in the precast segmental box girder spray curing system of the present invention.
Description of reference numerals: 1-support base body, 2-support table, 3-prefabricated segment box girder, 4-horizontal segment, 5-slide rail, 6-water flowing groove, 7-top spray pipe, 8-top spray head, 9-top water supply pipe, 10-drainage pipe, 11-water collecting plate, 12-horizontal spray pipe, 13-horizontal spray head, 14-horizontal short pipe, 15-horizontal water supply pipe, 16-side wall spray pipe, 17-side wall spray head, 18-installation groove, 19-side wall water supply pipe, 20-water supply header pipe, 21-water pump, 22-electric stop valve, 23-filter screen, 24-connecting rod, 25-vertical rod, 26-horizontal pipe segment, 27-vertical pipe segment, 28-sleeve pipe, 29-support lug and 30-driving motor, 31-belt, 32-fastening bolt, 33-sliding sleeve, 34-water supply tank, 35-four-way joint and 36-pulley.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
The invention discloses a concrete embodiment of a prefabricated section box girder spray maintenance system, which comprises the following steps:
as shown in fig. 1 to 6, the precast segment box girder spray maintenance system comprises a support pedestal, a moving frame, a box girder horizontal segment spray frame, a box girder side wall spray frame and a water supply assembly.
Specifically, as shown in fig. 1 and 2, the support pedestal includes a support base 2, which is provided on the support base 1, of the support base 1 for supporting the precast segment box girder 3. The length direction of the support base body 1 is defined as the front-back direction, the width direction is defined as the left-right direction, and a water flowing groove 6 surrounding the support base 2 is arranged at the position where the support base body 1 is connected with the support base 2. Gutter channel 6 has the same shape as the playground in plan view, and includes a rectangular region and semicircular regions located at both ends of the rectangular region. As shown in fig. 5, in the cross section of the water flowing groove 6 in the up-down direction, the bottom of the water flowing groove 6 is gradually inclined downward from the back to the front, and the filter screens 23 are detachably provided in the water flowing grooves 6 on both the left and right sides of the support platform. The filter screen 23 can filter out impurity particles such as stones in water, and is inserted into the launder 6 from the top so as to be taken out.
The support base body 1 is further provided with slide rails 5 extending in the front-back direction at positions on the left side and the right side of the support base 2, and the movable frame is movably assembled on the slide rails 5. As shown in fig. 1, the movable frame includes two vertical rods 25 and sliding sleeves 33 respectively sleeved on the two vertical rods 25, the sliding sleeves 33 can slide up and down along the vertical rods 25, and fastening bolts 32 for fastening the sliding sleeves 33 with the corresponding vertical rods 25 are disposed on the side surfaces of the sliding sleeves 33. A top spray pipe 7 is welded and fixed between the two sliding sleeves 33, the top spray pipe 7 is connected with a top water supply pipe 9, and the top spray pipe 7 is communicated with a plurality of top spray heads 8 used for spraying the tops of the prefabricated section box girders 3. Under the effect of sliding sleeve 33, make each top shower nozzle 8 can reciprocate to the comprehensive top of prefabricating section case roof beam 3 carries out the spraying maintenance.
The bottom of the two upright posts 25 is provided with a pulley 36 which is in sliding fit with the corresponding slide rail 5, the upright post on the left side is vertically connected with a mounting plate, the mounting plate is provided with a driving motor 30, and an output shaft of the driving motor 30 is in transmission connection with a wheel shaft of the pulley at the bottom of the upright post 25 through a belt 31 so as to integrally drive the movable frame to move back and forth along the slide rail 5.
Each upright rod 25 is rotatably assembled with a water collecting plate 11 at a position below the sliding sleeve 33, and the water collecting plate 11 can be used for collecting water sprayed on the top of the beam of the prefabricated section box 3. During the actual maintenance, the water collection sheet 11 is arranged below the inclined slope of the precast segment box girder 3. In this embodiment, the water collection sheet 11 is in the shape of an arc that is concave downward below the inclined slope of the precast segmental box girders 3, so that the water sprayed from the top of the precast segmental box girders 3 is collected into the grooves of the water collection sheet 11 along the inclined slope. A drainage tube 10 is communicated with a concave part of the water collecting plate 11, and the lower end of the drainage tube 10 extends into the water flowing groove 6 to lead the collected water into the water flowing groove 6. During installation, a threaded sleeve is connected to the end of the water collection plate 11 and is in threaded connection with an external threaded section provided on the upright rod 25, so that the water collection plate 11 can rotate.
As shown in fig. 3, the box girder horizontal segment spray rack includes a plurality of connecting rods 24 arranged in the support platform 2 and arranged at intervals along the front-rear direction, the left and right ends of the connecting rods 24 are connected with horizontal spray pipes 12, and each horizontal spray pipe 12 is connected with a horizontal spray head 13. Horizontal spray 13 is used for spraying the maintenance to horizontal segment 4, in order to make horizontal spray 13 can cover the spraying to horizontal segment 4 comprehensively, in this embodiment, connecting rod 24 is the telescopic link to adjust the horizontal position of horizontal spray 13, and for the installation of being convenient for, connecting rod 24's both ends all can stretch out and draw back, realize the regulation of the horizontal spray 13 of the support bench 2 left and right sides. Any two adjacent horizontal spray pipes 12 on the same side of each connecting rod 24 are communicated through the horizontal short pipes 14, and the two horizontal short pipes which are positioned at the foremost end and are positioned at the left side and the right side of the support platform 2 are connected with the horizontal water supply pipes 15.
As shown in fig. 4, the box girder side wall spray rack includes a spray rack body pre-embedded inside the support base body 1 and a side wall nozzle 17 installed on the spray rack body. The spraying frame body comprises side wall spraying pipes 16 which are arranged at intervals along the front and back directions and extend along the left and right directions and a side wall water supply pipe 19 which is communicated with the side wall spraying pipes 16, the side wall spray heads 17 are arranged at the left end and the right end of the side wall spraying pipes 19, and mounting grooves 18 are formed in positions, corresponding to each side wall spray head 17, on the support seat body 1. As can be seen from fig. 4 and fig. 1, the side shower 19 includes a horizontal pipe section 26 pre-embedded in the support base 1 and a vertical pipe section 27 located in the installation groove 18 and communicating with the horizontal pipe section 26. The vertical pipe section 27 is in threaded connection with a sleeve 28, and the side wall nozzle 17 is connected to the sleeve 28 through a pipe joint. When the sleeve 28 is screwed to the lowermost position relative to the upright pipe section 27, the side wall spray head 17 can be positioned in the mounting groove 18 to provide some protection to the side wall spray head 17. In order to further improve the protection effect on the side wall nozzle 17, three supporting protrusions 29 protruding from the inner wall of the mounting groove are arranged in the mounting groove 18, the supporting protrusions 29 are uniformly distributed on the circumference, and a cover plate can be placed on the supporting protrusions 29.
As shown in fig. 6, the water supply assembly includes a water supply tank 34 provided on the support housing 1, a water supply main 20 connected to the water supply tank 34, a water pump 21 connected to the water supply main 20, and the water supply main 20 communicating with the horizontal water supply pipe 15, the side wall water supply pipe 19, and the top water supply pipe 9 through a four-way joint 35. In order to avoid the waste of more water resources caused by the cross of maintenance work at each position of the prefabricated segmental box girder, electric stop valves 22 with timers are arranged on the horizontal water supply pipe 15, the side wall water supply pipe 19 and the top water supply pipe 9, so that the maintenance work at each position is independent. The water tank is communicated with the water supply tank 34, and the filter screen 23 is installed at a position of the water tank 6 close to the water supply tank 34, so that water resources can be reused.
In this embodiment, the top nozzle, the side wall nozzle and the horizontal nozzle are all common rotary nozzles in the prior art.
According to the spray maintenance system for the prefabricated section box girders, the top spray nozzles 8, the horizontal spray nozzles 13 and the side wall spray nozzles 17 can correspondingly spray water on the top, the horizontal section 4 and the side wall of the prefabricated section box girders 3 respectively for maintenance, in the maintenance process, the movable frame can drive the top spray nozzles 8 to move along the length direction of the prefabricated section box girders 3 so as to comprehensively spray and maintain the top, and the water collection plate 11 moves along with the movable frame to recover water. The lateral wall shower nozzle 17 and the horizontal shower nozzle 13 that are arranged along 3 length direction intervals of prefabricated segment case roof beam can carry out comprehensive spraying maintenance to the lateral wall and the horizontal segment 4 of prefabricated segment case roof beam 3 respectively, rotate the water-collecting plate this moment, avoid lateral wall shower nozzle 17 and horizontal shower nozzle 13 spun water to be sheltered from by the water-collecting plate, can avoid appearing leaking the problem of supporting on the whole, guarantee the maintenance quality of prefabricated segment case roof beam 3. In addition, the water sprayed on the top of the prefabricated section box girder 3 can flow into the water collecting plate 11 along the side surface of the prefabricated section box girder 3 and is guided into the water flowing channel 6 through the drainage tube 10 communicated with the water collecting plate 11; the excessive water sprayed on the side wall of the prefabricated section box girder 3 and the horizontal section 4 also flows into the drainage groove 6, and the drainage groove 6 is arranged around the support platform 2, so that the excessive water in the maintenance process flows into the drainage groove 6 and flows into the water supply box 34 along the drainage groove 6, and impurity particles can be filtered before flowing to the water supply box 34, so that the water resource can be reused, and the waste of the water resource is reduced; moreover, the maintenance of timesharing interval water spray can be realized through each electric stop valve, and the maintenance quality of prefabricated segment case roof beam is finally guaranteed.
The spraying maintenance system for the prefabricated segmental box girder can reduce the labor intensity and the maintenance difficulty of constructors, comprehensively carry out water spraying maintenance on the prefabricated segmental box girder, avoid the phenomenon of maintenance leakage, and simultaneously recycle and reuse water resources to avoid waste of the water resources.
In other embodiments, the bottom of the cross section of the water flowing groove may be a horizontal plane with a uniform height from back to front in the up-down direction.
In other embodiments, a filter screen may not be provided in the drain tank, and in this case, a filter screen may be provided at a position of the drain tank where the water enters the water supply tank.
In other embodiments, the water collection sheet may also have a rectangular parallelepiped box shape in the portion below the inclined slope of the precast segment box girder.
In other embodiments, the connecting rod can also be a rod with a fixed length, and the horizontal section is sprayed completely by means of the rotation of the horizontal spray head.
In other embodiments, the supporting projection may not be disposed in the mounting groove, and at this time, after the maintenance operation is completed, the mounting groove is directly covered with the cover plate having a size larger than that of the mounting groove.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a prefabricated segment box girder sprays maintenance system which characterized in that includes:
the supporting pedestal comprises a supporting pedestal body and a supporting platform which is arranged on the supporting pedestal body and used for supporting the prefabricated segment box girder, the length direction of the supporting pedestal body is defined as the front-back direction, the width direction of the supporting pedestal body is defined as the left-right direction, a water flowing groove surrounding the periphery of the supporting platform is arranged at the position where the supporting pedestal body is connected with the supporting platform, and sliding rails extending along the front-back direction are also arranged at the positions of the left side and the right side of the supporting platform on the supporting pedestal body;
the movable frame is movably assembled on the sliding rail, a top spraying pipe is movably assembled on the movable frame in the up-down direction, the top spraying pipe is connected with a top water supply pipe, the top spraying pipe is communicated with a plurality of top nozzles for spraying the top of the prefabricated section box girder, the movable frame is rotatably assembled at positions on the left side and the right side of the supporting table, the water collecting plates are arranged below inclined planes of the prefabricated section box girder in a rotating mode, a drainage pipe is communicated with the lower portion of each water collecting plate, and the lower end of each drainage pipe extends into the water flowing groove;
the box girder horizontal section spraying frame comprises a plurality of connecting rods which are arranged in a supporting platform and are arranged at intervals along the front-back direction, the left end and the right end of each connecting rod are connected with horizontal spraying pipes, each horizontal spraying pipe is connected with a horizontal spray head, any two adjacent horizontal spraying pipes on the same side of each connecting rod are communicated through horizontal short pipes, and the two horizontal short pipes which are arranged at the foremost end and are positioned at the left side and the right side of the supporting platform are connected with a horizontal water supply pipe;
the box girder side wall spray frame comprises a spray frame body pre-embedded in a support base body and side wall spray heads installed on the spray frame body, wherein the spray frame body comprises side wall spray pipes which are arranged at intervals along the front-back direction and extend along the left-right direction and side wall water supply pipes communicated with the side wall spray pipes;
the water supply assembly comprises a water supply tank arranged on the support base body and a water supply main pipe connected with the water supply tank, wherein the water supply main pipe is connected with a water pump and is communicated with a horizontal water supply pipe, a side wall water supply pipe and a top water supply pipe through a four-way joint, and electric stop valves with timers are arranged on the horizontal water supply pipe, the side wall water supply pipe and the top water supply pipe; the launder is communicated with the water supply tank.
2. The precast segment box girder spray maintenance system according to claim 1, wherein a floor bottom of the cross section of the water flowing channel is gradually inclined downward from the rear to the front in the up-down direction.
3. The spray maintenance system of precast segmental box girders according to claim 2, characterized in that filter screens are detachably mounted in the launders on the left and right sides of the support table, and the filter screens are mounted on the launders at positions close to the water supply tanks.
4. The precast segmental box girder spray maintenance system according to any one of claims 1 to 3, wherein the connecting rod is a telescopic rod with both ends being telescopic.
5. The precast segmental box girder spraying maintenance system as claimed in any one of claims 1 to 3, wherein the side wall spraying pipe comprises a horizontal pipe section pre-embedded in the supporting seat body and a vertical pipe section positioned in the mounting groove and communicated with the horizontal pipe section, a sleeve is in threaded connection with the vertical pipe section, the side wall spraying head is connected to the sleeve through a pipe joint, and the sleeve enables the side wall spraying head to be positioned in the mounting groove when being screwed to the lowest position relative to the vertical pipe section.
6. The spray maintenance system of precast segment box girders according to claim 5, characterized in that the mounting groove is provided with at least three supporting protrusions protruding from an inner groove wall of the mounting groove, the supporting protrusions being circumferentially distributed.
7. The precast segmental box girder spray maintenance system as claimed in any one of claims 1 to 3, wherein the portion of the water collection sheet below the inclined slope of the precast segmental box girder is in the shape of an arc depressed downward.
8. The spraying maintenance system of the prefabricated segmental box girder according to any one of claims 1 to 3, wherein the movable frame comprises two vertical rods and sliding sleeves respectively sleeved on the two vertical rods, the top spraying pipe is connected between the two sliding sleeves, fastening bolts for fastening the sliding sleeves with the corresponding vertical rods are arranged on the side faces of the sliding sleeves, pulleys in sliding fit with the corresponding sliding rails are installed at the bottoms of the two vertical rods, a driving motor for driving the pulleys on the vertical rods is installed on one vertical rod, and the water collecting plate is rotatably assembled on the vertical rods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110976653.3A CN113733326A (en) | 2021-08-24 | 2021-08-24 | Prefabricated segment box girder spraying maintenance system |
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| CN202110976653.3A CN113733326A (en) | 2021-08-24 | 2021-08-24 | Prefabricated segment box girder spraying maintenance system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800825A (en) * | 2022-06-08 | 2022-07-29 | 中铁四局集团第五工程有限公司 | Box girder spraying and curing device |
| CN117863332A (en) * | 2024-02-29 | 2024-04-12 | 中交一公局集团有限公司 | Intelligent spray maintenance system of precast beam |
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| CN112482242A (en) * | 2020-12-29 | 2021-03-12 | 山东双端数字科技有限公司 | Intelligent segmental box girder spraying maintenance system |
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| CN114800825A (en) * | 2022-06-08 | 2022-07-29 | 中铁四局集团第五工程有限公司 | Box girder spraying and curing device |
| CN117863332A (en) * | 2024-02-29 | 2024-04-12 | 中交一公局集团有限公司 | Intelligent spray maintenance system of precast beam |
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