CN110952458A - Cast-in-place bridge body spray maintenance device and use method - Google Patents
Cast-in-place bridge body spray maintenance device and use method Download PDFInfo
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- CN110952458A CN110952458A CN201911287414.6A CN201911287414A CN110952458A CN 110952458 A CN110952458 A CN 110952458A CN 201911287414 A CN201911287414 A CN 201911287414A CN 110952458 A CN110952458 A CN 110952458A
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to the technical field of bridge body spraying maintenance, and discloses a cast-in-place bridge body spraying maintenance device which comprises a balance weight beam, wherein the left side and the right side of the balance weight beam are fixedly connected with electric drive vehicles, the bottom of each electric drive vehicle is provided with a guide rail, the bottom of each guide rail is fixedly connected with a bridge body, one side of each electric drive vehicle, which is far away from the balance weight beam, is fixedly connected with a hanger beam, and the inner wall of each hanger beam is fixedly connected with a water supply mechanism. When the spray maintenance is carried out on the bridge body, the water injection pipe is connected with the water pump, then the water pump is started, water is sprayed on the bottom and the side edge of the bridge body through the spray nozzle, the bottom and the side edge of the bridge body are further sprayed and maintained, meanwhile, the electric drive vehicle is started to move on the guide rail, the spray nozzle moves back and forth, the whole bridge body can be conveniently sprayed and maintained by operating personnel, and cracking of the bottom and the side edge of the bridge body is prevented.
Description
Technical Field
The invention relates to the technical field of bridge body spraying maintenance, in particular to a spraying maintenance device for a cast-in-place bridge body and a use method.
Background
At present, cast-in-place bridge beam bodies are constructed by methods such as supports, brackets, Bailey frames and cantilever pouring, and all the beam bodies face a problem that the bottom and the side edges of the bridge beam bodies cannot be maintained after pouring is finished, so that the bottom and the side edges of the bridge beam bodies are easy to crack.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: at present, cast-in-place bridge beams are constructed by methods such as a support, a bracket, a Bailey frame and cantilever casting, and the beams all face a problem that the bottoms and the sides of the bridge beams can not be maintained after casting is finished, so that the bottoms and the sides of the bridge beams are easy to crack, and the cast-in-place bridge beam spraying maintenance device and the use method are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cast-in-place bridge roof beam body sprays curing means, includes the balance weight roof beam, the equal fixedly connected with electric drive car in the left and right sides of balance weight roof beam, the bottom of electric drive car is provided with the guide rail, the bottom fixedly connected with bridge body of guide rail, one side fixedly connected with hanger roof beam that the balance weight roof beam was kept away from to the electric drive car.
The water supply device is characterized in that a water supply mechanism is fixedly connected to the inner wall of the hanger beam, a supporting block is fixedly connected to the upper surface of the hanger beam, a water injection pipe is fixedly connected to the inner wall of the supporting block, and a filtering mechanism is slidably connected to the surface of the water injection pipe and the surface of the water supply mechanism.
The water supply mechanism is close to one side of bridge body and has seted up the through-hole, one side fixedly connected with internal thread piece that water supply mechanism is close to the bridge body, the inner wall threaded connection of internal thread piece has the external screw thread ring, the inner wall fixedly connected with shower nozzle of external screw thread ring, the surface of shower nozzle and the inner wall laminating of through-hole.
Preferably, the water supply mechanism comprises a first vertical pipe, the surface of the first vertical pipe is fixedly connected with the inner wall of the hanger beam, the first vertical pipes are positioned at the left side and the right side of the bridge body, the bottom parts of the first vertical pipes are fixedly communicated with a first transverse pipe through elbows, one side of the first transverse pipe close to the bridge body is fixedly communicated with a second vertical pipe through an elbow, the bottom of the second vertical pipe is fixedly communicated with a second transverse pipe through an elbow, the second transverse pipe is positioned below the bridge body, the through hole is positioned on the upper surface of the first transverse pipe, one side of the second vertical pipe close to the bridge body and the upper surface of the second transverse pipe are provided with a through hole, the upper surface of the first horizontal pipe, one side of the second vertical pipe close to the bridge body and one side of the second horizontal pipe far away from the bridge body are fixedly connected with the inner thread block, and the surface of the first vertical pipe is connected with the inner wall of the filtering mechanism in a sliding mode.
Preferably, filtering mechanism includes the connecting pipe, the left and right sides of connecting pipe is close to one side of water injection pipe and the laminating of one side that balanced counter weight roof beam was kept away from to the water injection pipe with first standpipe respectively, the fixed surface of connecting pipe is connected with and keeps off the ring, keep off the equal fixedly connected with spring in the left and right sides of ring, the inner wall of spring and the sliding surface connection of connecting pipe, the spring is kept away from the solid fixed ring of one side fixedly connected with that keeps off the ring, the inner wall fixedly connected with filter screen of connecting pipe, the surface of the first standpipe in surface of water injection pipe and the surface of connecting pipe all with solid fixed ring's inner wall sliding.
Preferably, the diameters of the inner walls of the water injection pipe, the connecting pipe and the first vertical pipe are equal.
Preferably, the surface of the hanger beam is fixedly connected with a support frame, the surface of the first horizontal pipe and the surface of the second horizontal pipe on the surface of the second vertical pipe are both in contact with the inner wall of the support frame, the surface of the support frame is fixedly connected with a connecting ring, and the upper surface of the connecting ring and one side, away from the balance weight beam, of the electric drive vehicle are both fixedly connected with a connecting belt.
Preferably, the fixed surface of connecting band is connected with the sleeve, telescopic fixed surface is connected with the bearing, the fixed surface of bearing is connected with the slide cartridge, the left and right sides of bridge body all with the surface contact of slide cartridge.
Preferably, the upper side and the lower side of the sliding cylinder are both fixedly connected with sealing rings, and the inner walls of the sealing rings are in sliding connection with the surface of the sleeve.
Preferably, the left side and the right side of the electric drive vehicle, the bottom of the balance weight beam and the bottom of the hanger beam are fixedly connected with beam body inclined struts.
A use method of a cast-in-place bridge body spraying maintenance device comprises the following steps:
s1, installing a power system: the method comprises the steps of firstly installing a guide rail on a bridge body, then clamping an electric drive vehicle on the guide rail to enable the electric drive vehicle to only walk along the guide rail, then installing a balance weight beam and a hanging rack beam on the electric drive vehicle, and supporting the balance weight beam and the hanging rack beam through a beam body inclined strut.
S2, installing a spraying system: after the power system is installed, the water injection pipe and the water supply mechanism are fixed on the hanging frame beam, then the filtering mechanism is fixed on the water injection pipe and the water supply mechanism, so that the water injection pipe and the water supply mechanism are communicated together through the filtering mechanism, and then the spray head is fixed on the water supply mechanism, so that water in the water supply mechanism can be sprayed out through the spray head.
S3, spraying: after all installing the completion at driving system and spraying system, be connected water injection pipe and water pump, when spraying, open the water pump, make water get into inside the water supply mechanism through the water injection pipe, then rethread shower nozzle blowout sprays the maintenance to the bottom and the side of bridge body, simultaneously, at the in-process that sprays, filters water through the filter screen, prevents that the shower nozzle from blockking up.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, through arranging the electric drive vehicle, the guide rail, the hanger beam, the water supply mechanism, the supporting block, the water injection pipe and the spray head, when the bridge body is subjected to spray maintenance, the water injection pipe is connected with the water pump, then the water pump is started, so that water is sprayed on the bottom and the side of the bridge body through the spray head, further the bottom and the side of the bridge body are subjected to spray maintenance, meanwhile, the electric drive vehicle is started to move on the guide rail, further the spray head moves forwards and backwards, so that an operator can conveniently perform spray maintenance on the whole bridge body, and cracking of the bottom and the side of the bridge body is prevented.
(2) According to the invention, the filtering mechanism is arranged, the filtering screen in the filtering mechanism plays a role in filtering impurities in water, so that the impurities are separated from the water, and further the impurities are prevented from entering the nozzle to cause nozzle blockage.
(3) According to the invention, the inner thread block and the outer thread ring are arranged, the inner thread block and the outer thread ring are in threaded connection, when the sprayer is damaged, the sprayer can be disassembled from the through hole by rotating the outer thread ring, when the sprayer is installed, the sprayer can be fixed in the through hole through the inner thread block and the outer thread ring, and then the sprayer is convenient to disassemble and assemble under the matching action of the inner thread block and the outer thread ring, so that an operator can conveniently replace the sprayer.
(4) According to the invention, the support frame is arranged, and plays a supporting role for the water supply mechanism, so that the water supply mechanism is more stable in the use process, the cracking at the joints among the first vertical pipe, the first transverse pipe, the second vertical pipe and the second transverse pipe is prevented, meanwhile, the support frame is connected with the electric drive vehicle through the connecting ring and the connecting belt, and the cracking at the joint between the water supply mechanism and the hanging rack beam caused by the heavier weight of the water-filled water supply mechanism is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is a front view of the filter mechanism of the present invention;
fig. 6 is a top view of the support frame of the present invention.
In the figure: 1. balancing the counterweight beam; 2. an electrically driven vehicle; 3. a guide rail; 4. a bridge body; 5. a hanger beam; 6. a water supply mechanism; 61. a first vertical tube; 62. a first cross tube; 63. a second standpipe; 64. a second cross tube; 7. a support block; 8. a water injection pipe; 9. a filtering mechanism; 91. a connecting pipe; 92. a baffle ring; 93. a spring; 94. a fixing ring; 95. a filter screen; 10. a through hole; 11. an internal thread block; 12. an externally threaded ring; 13. a spray head; 14. a support frame; 15. a connecting ring; 16. a connecting belt; 17. a sleeve; 18. a bearing; 19. a slide cylinder; 20. a seal ring; 21. and (4) a beam body inclined strut.
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 only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a cast-in-place bridge roof beam body sprays curing means, including balance weight beam 1, the equal fixedly connected with electric drive car 2 in the left and right sides of balance weight beam 1, balance weight beam 1 adopts 18 channel-section steels, be used for connecting both sides electric drive car 2, and balanced system weight, prevent that electric drive car 2 from toppling, electric drive car 2's bottom is provided with guide rail 3, guide rail 3's bottom fixedly connected with bridge body 4, one side fixedly connected with hanger roof beam 5 that electric drive car 2 kept away from balance weight beam 1, electric drive car 2's the left and right sides, balance weight beam 1's bottom and hanger roof beam 5 bottom equal fixedly connected with roof beam body bracing 21.
The inner wall fixedly connected with water supply mechanism 6 of hanger roof beam 5, the last fixed surface of hanger roof beam 5 is connected with supporting shoe 7, the inner wall fixedly connected with water injection pipe 8 of supporting shoe 7, and the equal sliding connection in surface of water injection pipe 8 and the surface of water supply mechanism 6 has filter mechanism 9.
Through-hole 10 has been seted up to one side that water supply mechanism 6 is close to bridge body 4, one side fixedly connected with internal thread piece 11 that water supply mechanism 6 is close to bridge body 4, the inner wall threaded connection of internal thread piece 11 has external screw thread ring 12, the inner wall fixedly connected with shower nozzle 13 of external screw thread ring 12, through setting up internal thread piece 11 and external screw thread ring 12, be threaded connection between internal thread piece 11 and the external screw thread ring 12, when shower nozzle 13 damages, rotate external screw thread ring 12, can dismantle shower nozzle 13 from through-hole 10, when installing shower nozzle 13, through internal thread piece 11 and external screw thread ring 12, can be with shower nozzle 13 fixed through-hole 10 in, and then under the mating action of internal thread piece 11 and external screw thread ring 12, make shower nozzle 13 dismouting comparatively convenient, be convenient for the operation personnel change shower nozzle 13, the surface of shower nozzle 13 is laminated with the inner wall of through.
The water supply mechanism 6 comprises a first vertical pipe 61, the surface of the first vertical pipe 61 is fixedly connected with the inner wall of the hanging frame beam 5, the first vertical pipe 61 is positioned at the left side and the right side of the bridge body 4, the bottom of the first vertical pipe 61 is fixedly communicated with a first transverse pipe 62 through an elbow, one side of the first transverse pipe 62 close to the bridge body 4 is fixedly communicated with a second vertical pipe 63 through an elbow, the bottom of the second vertical pipe 63 is fixedly communicated with a second transverse pipe 64 through an elbow, the second transverse pipe 64 is positioned below the bridge body 4, a through hole 10 is positioned on the upper surface of the first transverse pipe 62, one side of the second transverse pipe 63 close to the bridge body 4 and the upper surface of the second transverse pipe 64 are respectively and fixedly connected with one side of the internal thread block 11 far away from the bridge body 4, the surface of the first vertical pipe 61 is in sliding connection with the inner wall of the filter mechanism 9, first vertical pipe 61, first horizontal pipe 62, second vertical pipe 63 and second horizontal pipe 64 are all made of DN110 type PVC pipeline.
The filtering mechanism 9 comprises a connecting pipe 91, the left side and the right side of the connecting pipe 91 are respectively attached to one side of the first vertical pipe 61 close to the water injection pipe 8 and one side of the water injection pipe 8 far away from the balance weight beam 1, the surface of the connecting pipe 91 is fixedly connected with a baffle ring 92, the left side and the right side of the baffle ring 92 are both fixedly connected with springs 93, the inner wall of each spring 93 is in sliding connection with the surface of the connecting pipe 91, one side of each spring 93 far away from the baffle ring 92 is fixedly connected with a fixing ring 94, each spring 93 plays a role in pushing the fixing ring 94, the inner wall of the connecting pipe 91 is fixedly connected with a filter screen 95, the filter screen, and then prevent that impurity from getting into in the shower nozzle 13, lead to the shower nozzle 13 to block up, the surface of the first standpipe 61 in surface of water injection pipe 8 and the surface of connecting pipe 91 all with the inner wall sliding connection of solid fixed ring 94, the inner wall diameter homogeneous phase of water injection pipe 8, connecting pipe 91 and first standpipe 61 equals.
The surface fixing of hanger beam 5 is connected with support frame 14, the surface of first violently pipe 62, the surface of second violently pipe 64 of second standpipe 63 all contacts with the inner wall of support frame 14, support frame 14 is made by U type channel-section steel, support frame 14 plays the supporting role to water supply mechanism 6, make water supply mechanism 6 more firm in the use, prevent that first standpipe 61, first violently pipe 62, the junction between second standpipe 63 and the second violently pipe 64 from taking place to split, the surface fixing of support frame 14 is connected with go-between 15, the upper surface of go-between 15 and the electric drive car 2 keep away from balanced counter weight roof beam 1 all fixedly connected with connecting band 16, the surface fixing of connecting band 16 is connected with sleeve 17, the surface fixing of sleeve 17 is connected with bearing 18, the surface fixing of bearing 18 is connected with slide barrel 19, the left and right sides of bridge body 4 all contacts with the surface of slide barrel 19, through setting up sleeve 17, Bearing 18 and slide cartridge 19 can effectually reduce the wearing and tearing of connecting band 16, improves the life of connecting band 16, and the equal fixedly connected with sealing ring 20 in upper and lower both sides of slide cartridge 19, the inner wall of sealing ring 20 and the surperficial sliding connection of sleeve 17, sealing ring 20 plays sealed effect to bearing 18, prevents that bearing 18 from being blocked by the dust.
A use method of a cast-in-place bridge body spraying maintenance device comprises the following steps:
s1, installing a power system: firstly, the guide rail 3 is installed on the bridge body 4, then the electric drive vehicle 2 is clamped on the guide rail 3, so that the electric drive vehicle 2 can only walk along the guide rail 3, then the balance weight beam 1 and the hanging rack beam 5 are installed on the electric drive vehicle 2, and the balance weight beam 1 and the hanging rack beam 5 are supported through the beam body inclined strut 21.
S2, installing a spraying system: after the power system is installed, the water injection pipe 8 and the water supply mechanism 6 are fixed on the hanging beam 5, then the filtering mechanism 9 is fixed on the water injection pipe 8 and the water supply mechanism 6, so that the water injection pipe 8 and the water supply mechanism 6 are communicated together through the filtering mechanism 9, and then the spray head 13 is fixed on the water supply mechanism 6, so that water in the water supply mechanism 6 can be sprayed out through the spray head 13.
S3, spraying: after all installing at driving system and spraying system, be connected water injection pipe 8 and water pump, when spraying, open the water pump, make water get into 6 insides of water supply mechanism through water injection pipe 8, then 13 blowout of rethread shower nozzle, spray the maintenance to the bottom and the side of bridge body 4, simultaneously, at the in-process that sprays, filter water through filter screen 95, prevent that shower nozzle 13 from blockking up.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
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.
Claims (9)
1. A cast-in-place bridge body spraying maintenance device comprises a balance weight beam (1), and is characterized in that the left side and the right side of the balance weight beam (1) are fixedly connected with electric drive vehicles (2), the bottom of each electric drive vehicle (2) is provided with a guide rail (3), the bottom of each guide rail (3) is fixedly connected with a bridge body (4), and one side, far away from the balance weight beam (1), of each electric drive vehicle (2) is fixedly connected with a hanger beam (5);
the water supply mechanism (6) is fixedly connected to the inner wall of the hanger beam (5), the supporting block (7) is fixedly connected to the upper surface of the hanger beam (5), the water injection pipe (8) is fixedly connected to the inner wall of the supporting block (7), and the filtering mechanism (9) is slidably connected to the surface of the water injection pipe (8) and the surface of the water supply mechanism (6);
through-hole (10) have been seted up to one side that water supply mechanism (6) are close to bridge body (4), one side fixedly connected with internal thread piece (11) that water supply mechanism (6) are close to bridge body (4), the inner wall threaded connection of internal thread piece (11) has external screw thread ring (12), the inner wall fixedly connected with shower nozzle (13) of external screw thread ring (12), the surface of shower nozzle (13) and the inner wall laminating of through-hole (10).
2. The cast-in-place bridge beam body spray maintenance device according to claim 1, wherein the water supply mechanism (6) comprises a first vertical pipe (61), the surface of the first vertical pipe (61) is fixedly connected with the inner wall of the hanger beam (5), the first vertical pipe (61) is positioned at the left side and the right side of the bridge body (4), the bottom of the first vertical pipe (61) is fixedly communicated with a first horizontal pipe (62) through an elbow, one side of the first horizontal pipe (62) close to the bridge body (4) is fixedly communicated with a second vertical pipe (63) through an elbow, the bottom of the second vertical pipe (63) is fixedly communicated with a second horizontal pipe (64) through an elbow, the second horizontal pipe (64) is positioned below the bridge body (4), the through hole (10) is positioned on the upper surface of the first horizontal pipe (62), one side of the second vertical pipe (63) close to the bridge body (4) and the upper surface of the second horizontal pipe (64) are opened, the upper surface of the first transverse pipe (62), one side of the second vertical pipe (63) close to the bridge body (4) and the upper surface of the second transverse pipe (64) are fixedly connected with one side of the internal thread block (11) far away from the bridge body (4), and the surface of the first vertical pipe (61) is in sliding connection with the inner wall of the filtering mechanism (9).
3. The cast-in-place bridge beam body spray maintenance device of claim 2, the filtering mechanism (9) comprises a connecting pipe (91), the left side and the right side of the connecting pipe (91) are respectively attached to one side of the first vertical pipe (61) close to the water injection pipe (8) and one side of the water injection pipe (8) far away from the balance weight beam (1), the surface of the connecting pipe (91) is fixedly connected with a baffle ring (92), the left side and the right side of the baffle ring (92) are both fixedly connected with springs (93), the inner wall of the spring (93) is connected with the surface of the connecting pipe (91) in a sliding way, one side of the spring (93) far away from the baffle ring (92) is fixedly connected with a fixed ring (94), the inner wall fixedly connected with filter screen (95) of connecting pipe (91), the surface of the first standpipe in surface (61) of water injection pipe (8) and the surface of connecting pipe (91) all with the inner wall sliding connection who gu fixed ring (94).
4. The cast-in-place bridge beam body spray maintenance device according to claim 3, wherein the diameters of the inner walls of the water injection pipe (8), the connecting pipe (91) and the first vertical pipe (61) are all equal.
5. The cast-in-place bridge beam body spraying maintenance device according to claim 2, characterized in that a support frame (14) is fixedly connected to the surface of the hanger beam (5), the surface of the first horizontal pipe (62) and the surface of the second horizontal pipe (64) are both in contact with the inner wall of the support frame (14), a connection ring (15) is fixedly connected to the surface of the support frame (14), and a connection belt (16) is fixedly connected to the upper surface of the connection ring (15) and one side of the electric drive vehicle (2) away from the balance counterweight beam (1).
6. The cast-in-place bridge beam body spraying maintenance device according to claim 5, characterized in that a sleeve (17) is fixedly connected to the surface of the connecting band (16), a bearing (18) is fixedly connected to the surface of the sleeve (17), a sliding cylinder (19) is fixedly connected to the surface of the bearing (18), and the left side and the right side of the bridge body (4) are in contact with the surface of the sliding cylinder (19).
7. The cast-in-place bridge beam body spraying maintenance device according to claim 6, wherein the upper side and the lower side of the sliding cylinder (19) are fixedly connected with sealing rings (20), and the inner walls of the sealing rings (20) are in sliding connection with the surfaces of the sleeves (17).
8. The cast-in-place bridge beam body spraying maintenance device according to claim 1, wherein beam body inclined struts (21) are fixedly connected to the left side and the right side of the electric driving vehicle (2), the bottom of the balance weight beam (1) and the bottom of the hanger beam (5).
9. The use method of the cast-in-place bridge body spraying maintenance device is characterized by comprising the following steps of:
s1, installing a power system: the method comprises the steps of firstly installing a guide rail (3) on a bridge body (4), then clamping an electric drive vehicle (2) on the guide rail (3) to enable the electric drive vehicle (2) to only walk along the guide rail (3), then installing a balance weight beam (1) and a hanging rack beam (5) on the electric drive vehicle (2), and supporting the balance weight beam (1) and the hanging rack beam (5) through a beam body inclined strut (21).
S2, installing a spraying system: after the power system is installed, the water injection pipe (8) and the water supply mechanism (6) are fixed on the hanging frame beam (5), then the filtering mechanism (9) is fixed on the water injection pipe (8) and the water supply mechanism (6), the water injection pipe (8) and the water supply mechanism (6) are communicated together through the filtering mechanism (9), then the spray head (13) is fixed on the water supply mechanism (6), and water in the water supply mechanism (6) can be sprayed out through the spray head (13).
S2, spraying: after all the installation of driving system and spraying system is accomplished, be connected water injection pipe (8) with the water pump, when spraying, open the water pump, make water get into water supply mechanism (6) inside through water injection pipe (8), then rethread shower nozzle (13) blowout sprays the maintenance to the bottom and the side of bridge body (4), simultaneously, at the in-process that sprays, filters water through filter screen (95), prevents that shower nozzle (13) from blockking up.
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| CN201911287414.6A CN110952458B (en) | 2019-12-14 | 2019-12-14 | Cast-in-place bridge body spray maintenance device and use method |
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| CN201911287414.6A CN110952458B (en) | 2019-12-14 | 2019-12-14 | Cast-in-place bridge body spray maintenance device and use method |
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| CN112936540A (en) * | 2021-01-30 | 2021-06-11 | 安徽建筑大学 | Civil construction is with precast beam maintenance atomizer |
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| CN112936540A (en) * | 2021-01-30 | 2021-06-11 | 安徽建筑大学 | Civil construction is with precast beam maintenance atomizer |
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| CN110952458B (en) | 2021-09-17 |
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