Spraying maintenance device for fish-bellied cast-in-place box girder
By designing the combination of flow plates and abutment components, the problem of water accumulation in the spray curing of fish-belly box girders was solved, achieving effective moisture retention at the bottom of the box girder and improving the effect of spray curing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-03-27
AI Technical Summary
When the existing spray curing device sprays the fish-belly box girder, the water flows along the arc surface and accumulates at the contact edge between the fish-belly box girder and the base, which cannot effectively maintain the humidity at the contact point between the fish-belly box girder and the base.
A spray curing device for fish-belly type cast-in-place box girder was designed, including a flow plate, a deflection shaft, a support component and a drainage trough. The flow plate collects water flow and accumulates it at the base. The device utilizes gravity deflection and elastic reset mechanism to ensure that the water flow is fully discharged and avoids residue.
This method effectively moisturizes and maintains the bottom of the fish-belly box girder, avoiding uneven humidity caused by water accumulation and improving the effect of spray curing.
Smart Images

Figure CN224047912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to box girder spray maintenance technical field, specifically, relate to a kind of spray maintenance device of fish belly type cast-in-place box girder. BACKGROUND
[0002] Box girder spray maintenance refers to in summer, the surface of box girder is sprayed with water flow, to keep the humidity of box girder, to avoid surface dry shrinkage cracking.
[0003] But the existing spray maintenance, in fish belly type box girder is sprayed, its surface water flow will flow along camber, cause its accumulation in fish belly type box girder and the edge between base contact, cause the influence to box girder, also cannot effectively humidity keeping to the ground of fish belly type box girder contact base, so that the spray maintenance of fish belly type box girder is more troublesome. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of spray maintenance device of fish belly type cast-in-place box girder, solve when in fish belly type box girder is sprayed and maintained, it will because the arc setting of its bottom, cause water flow will flow along arc, accumulation between fish belly type box girder and the edge between base contact, also cannot spray and maintain to the bottom surface of fish belly type box girder and base adhesion.
[0005] The utility model realizes by following technical scheme:
[0006] The utility model provides a kind of spray maintenance device of fish belly type cast-in-place box girder, including box girder, the top of box girder is connected with displacement frame, the top of displacement frame is connected with spray frame, one side of displacement frame is provided with water storage tank, the bottom of spray frame is provided with spray head, the bottom of box girder is connected with base, the top of base is provided with drain groove, the middle part of drain groove is connected with flow plate, one end of flow plate is connected with deflection shaft, the end away from deflection shaft of flow plate is provided with flow inclined plane, one end of flow inclined plane is provided with adhesion opening, one side of adhesion opening is provided with abutting assembly, abutting assembly swings along one side of axial direction, the middle part bottom of drain groove is provided with adhesion block, and the top of adhesion block is matched with adhesion opening.
[0007] Preferably, spray frame includes displacement block and transmission screw rod, displacement block is arranged at the bottom of spray frame, and transmission screw rod is arranged at the middle part of displacement block.
[0008] Preferably, the two ends of transmission screw rod are rotatably connected to the middle part of displacement frame, and one end of transmission screw rod is drivingly connected with motor outside displacement frame.
[0009] Preferably, transmission screw rod and displacement block penetration hole inner wall are threadedly matched.
[0010] Preferably, water storage tank is communicated with pipeline in spray frame.
[0011] Preferably, the flow plates are connected to the middle of the drainage groove on both sides through the deflection shaft at one end, and torsional springs are arranged at both ends of the deflection shaft.
[0012] Preferably, the flow inclined surface is arranged at the opposite end of the two flow plates, and the flow inclined surface is arranged in an extension structure.
[0013] Preferably, the abutting assembly comprises an abutting block and a deflection groove, the deflection groove is arranged on the surface of one end of the flow inclined surface, and the abutting block is hinged in the deflection groove.
[0014] Preferably, the abutting block comprises a contraction groove and a limiting block, the contraction groove is arranged on both sides of the abutting block, the limiting block is arranged in the middle of the contraction groove, one end of the limiting block is connected with the contraction groove through a spring, and one end of the limiting block is a semispherical ball protruding from the surface of the abutting block.
[0015] The technical scheme of the utility model has at least the following advantages and beneficial effects:
[0016] 1. The flow plate arranged in the device can collect the water flow accumulated on the base along the curved surface when spraying the fish belly type box girder, and then make the water flow flow on the flow plate, so as to contact and moisturize the bottom of the box girder abutting base, and moisturize and maintain the bottom surface of the box girder.
[0017] 2. The device is also provided with an abutting assembly, which can deflect by gravity when a certain amount of water is accumulated on the flow plate, so as to discharge the water flow, avoid direct contact of the accumulated water flow with the box girder, and slow down the resetting speed of the abutting assembly through elastic contraction, so as to fully discharge the water flow on the flow plate and avoid residual accumulation on the flow plate. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of the utility model.
[0019] Figure 2 It is a side view sectional structure schematic view of the displacement frame and the spraying frame of the utility model.
[0020] Figure 3 It is a side view sectional structure schematic view of the base of the utility model.
[0021] Figure 4 It is a side view sectional structure schematic view of the base of the utility model. Figure 3 It is an enlarged structure schematic view of A in the utility model.
[0022] Figure 5 It is a partial sectional structure schematic view of the inclined surface of the utility model.
[0023] Figure 6 It is a partial sectional structure schematic view of the inclined surface of the utility model.Figure 5 Enlarged structural schematic view at B.
[0024] Label: 1 - box girder, 2 - displacement frame, 201 - spray frame, 2011 - displacement block, 2012 - transmission screw rod, 202 - water storage tank, 203 - spray head, 3 - base, 301 - drainage groove, 3011 - inclined surface, 3012 - fitting block, 3013 - contraction groove, 3014 - limiting block, 302 - flow plate, 3021 - deflection shaft, 3022 - flow inclined surface, 3023 - fitting opening, 3024 - abutting block, 3025 - deflection groove. DETAILED DESCRIPTION
[0025] The following will be combined Figures 1 to 5 The utility model is explained in detail.
[0026] A kind of fish belly type cast-in-place box girder's spray maintenance device, including box girder 1, the top of box girder 1 is connected with displacement frame 2, the top of displacement frame 2 is connected with spray frame 201, one side of displacement frame 2 is provided with water storage tank 202, the bottom of spray frame 201 is provided with spray head 203, the bottom of box girder 1 is connected with base 3, the top of base 3 is provided with drainage groove 301, the middle of drainage groove 301 is connected with flow plate 302, one end of flow plate 302 is connected with deflection shaft 3021, the end of flow plate 302 away from deflection shaft 3021 is provided with flow inclined surface 3022, one end of flow inclined surface 3022 is provided with fitting opening 3023, one side of fitting opening 3023 is provided with abutting assembly, abutting assembly swings along axial side, the middle bottom of drainage groove 301 is provided with fitting block 3012, the top of fitting block 3012 is matched with fitting opening 3023, spray frame 201 includes displacement block 2011 and transmission screw rod 2012, displacement block 2011 is set in the bottom of spray frame 201, transmission screw rod 2012 is set in the middle of displacement block 2011, both ends of transmission screw rod 2012 are rotatably connected in the middle of displacement frame 2, one end of transmission screw rod 2012 is drivingly connected with motor outside displacement frame 2, transmission screw rod 2012 is screw matched with the inner wall of displacement block 2011 through hole, water storage tank 202 is communicated with pipeline in spray frame 201.
[0027] First, after the surface of box girder 1 is covered with coarse linen or geotextile, displacement frame 2 is placed on the top of box girder 1, then water is pumped out from water storage tank 202 by booster pump, flows into the pipeline of spray frame 201, and then is sprayed out by spray head 203 to spray and maintain the surface of box girder 1, while in the process of spraying, transmission screw rod 2012 is rotated by motor to drive displacement block 2011 connected with spray frame 201 to move, so that spray frame 201 can move on the surface of box girder 1 to spray each area.
[0028] Further, the flow plates 302 are connected to the middle of the drainage groove 301 on both sides by a deflection shaft 3021 at one end, the two ends of the deflection shaft 3021 are provided with torsional springs, the flow inclined surface 3022 is provided at the opposite end of the two flow plates 302, and the flow inclined surface 3022 is provided in an extension structure, the abutting assembly includes an abutting block 3024 and a deflection groove 3025, the deflection groove 3025 is provided on the surface of one end of the flow inclined surface 3022, and the abutting block 3024 is hinged in the deflection groove 3025, the abutting block 3012 includes a contraction groove 3013 and a limiting block 3014, the contraction groove 3013 is provided on both sides of the abutting block 2013, and the limiting block 3014 is provided in the middle of the contraction groove 3013, one end of the limiting block 3014 is connected with the contraction groove 3013 through a spring, and the one end of the limiting block 3014 is a semicircular spherical shape protruding from the surface of the abutting block 3012.
[0029] Then when the spray frame 201 sprays, if the fish belly box girder 1, because of the arc design of the bottom, it will cause the water flow to flow along the arc to the contact edge of the base 3 and the box girder 1 when spraying, and then through the several drainage grooves 301 on the top of the base 3 to collect the flowing water flow, so that it flows along the inclined surface 3011 to the flow plate 302, and then the water flow accumulates on the flow plate 302, so as to contact the bottom of the base 3 with the box girder 1, thereby moisturizing and maintaining the bottom of the box girder 1.
[0030] When the water flow continuously flows onto the flow plate 302, because the water flow continuously flows in, it will flow into the "V" shaped groove formed by the inclined surface 3011 at one end of the two flow plates 302, when a certain amount of water flow accumulates in the inclined surface 3011, because of the accumulation at one end, the inclined surface 3011 at one end of the flow plate 302 will be forced to move downward due to the pressure of the weight, thereby deflecting through the deflection shaft 3021 to tilt the flow plate 302 to accelerate the flow of water, so as to avoid the accumulation of water on the flow plate 302, resulting in failure to drain water.
[0031] And the side of the two inclined surfaces 3011 abutting each other is provided with an abutting opening 3023, through which the inclined surface 3011 can be partially embedded and abut on the part of the abutting block 3012 close to the top, so that when the inclined surface 3011 is deflected and inclined, it will move along the surface of the abutting block 3012 through the abutting opening 3023, and the abutting block 3024 connected to the deflection groove on the abutting opening 3023 will move to the limiting block 3014, and because the lower part of the abutting block 3024 contacts the limiting block 3014 first when it moves down, the abutting block 3024 will be pressed to shrink into the deflection groove 3025, so that the abutting opening 3023 can smoothly displace along the abutting block 3012, so that the two abutting inclined surfaces 3011 are separated, allowing the water flow to flow into the drain groove 301 for drainage. The inclined surface 3011 is provided in two parts and is telescopic, and the angle of inclination is used to control the extension of the inclined surface 3011 when it is deflected.
[0032] After a certain amount of accumulated water flow is discharged, the flow plate 302 will be reset and re-abut due to the torsional spring of the deflection shaft 3021, and in the process of resetting, the abutting block 3024 will contact the limiting block 3014 from the top, and because the bottom of the abutting block 3024 is convex on the surface, the convex part will abut against the convex part of the limiting block 3014, and then because the water flow is continuously discharged, the resetting force of the torsional spring of the deflection shaft 3021 increases, which forces the limiting block 3014 to shrink into the contraction groove 3013, so that the abutting block 3024 can pass through because of the obstruction of the limiting block 3014, which slows down the resetting process of the flow plate 302, so that the closing time is longer, thereby providing sufficient time to discharge the accumulated water flow, avoiding the situation that the closing is completed before the discharge is completed because there is too much water flow, which causes part of the water flow to remain on the flow plate 302, increasing the moisture of the bottom of the box girder 1 and easily affecting the concrete.
[0033] The following is the embodiment of the utility model concrete process, first in the surface of box girder 1 covered with coarse linen or geotextile, then in the top of box girder 1 place displacement frame 2, then through the booster pump in the water storage tank 202 to the water is extracted, flow into the pipeline of spray frame 201, then in through the spray head 203 to the water flow is sprayed, to the surface of box girder 1 is sprayed maintenance, simultaneously in the process of spraying, through motor drive transmission screw rod 2012 rotates, to drive the displacement block 2011 of spray frame 201 connection moves, so that spray frame 201 can move on the surface of box girder 1 to spray to each area, then in the process of spraying of spray frame 201, if fish abdomen type box girder 1, because its bottom arc design, will lead to in the process of spraying, water flow will along the arc flow to the contact edge of base 3 and box girder 1, then through the several drainage grooves 301 of base 3 top to the flowing water flow is collected, let it along the inclined surface 3011 flow flow plate 302, then let the water flow along in flow plate 302 accumulation flow, thereby with the bottom of box girder 1 that base 3 is attached to contact, thereby to the bottom of box girder 1 is kept moist, and the water flow is constantly flowing to flow plate 302, because the water flow is constantly flowing, will let the water flow flow into the " V" shaped groove of two flow plates 302 one end inclined surface 3011, when in the inclined surface 3011 accumulates to a certain amount, because the accumulation in one end, make because the pressure of weight, to force flow plate 302 one end inclined surface 3011 will move down, thereby through deflection shaft 3021 is deflected, to let flow plate 302 inclination accelerates the flow of water flow, avoid water flow in flow plate 302 accumulates full, lead to cannot drain, and two inclined surfaces 3011 one side that is attached is provided with the attachment opening 3023, through the attachment opening 3023 can let the inclined surface 3011 part is embedded and attached in the part of attachment block 3012 close to the top, thereby make the inclined surface 3011 in the process of deflection inclination, will move along the surface of attachment block 3012 through the attachment opening 3023, and in the process of moving, the resistance block 3024 of deflection groove connection in attachment opening 3023 will attach to the limit block 3014 moves, and because the resistance block 3024 in the process of moving down is the lower half first contact limit block 3014, make the resistance block 3024 will be pressed to deflection groove 3025 shrink, to let attachment opening 3023 can smoothly along attachment block 3012 displacement, thereby make two mutually attached inclined surfaces 3011 will separate, let the water flow will flow into the drainage groove 301 inside and drain, in the process of resetting of the accumulated water flow drain a certain amount, flow plate 302 will because the torsional spring of deflection shaft 3021 resets and reattaches, and in the process of resetting, the resistance block 3024 will because is from the top contact limit block 3014, and because the bottom of resistance block 3024 is convex on the surface, therefore the convex part will rest on the convex part of limit block 3014, then because the water flow is constantly drained,The increase of the torsion spring restoring force of the deflection shaft 3021 will force the extrusion limiting block 3014 to retract into the retraction groove 3013, so that the resistance block 3024 can pass through. Because the limiting block 3014 hinders, the restoring process of the flow plate 302 will be slowed down, and the time for closing will be lengthened, so that there is enough time to discharge the accumulated water flow, avoiding that the water flow is too much to complete the closing without completing the discharge, so that the increase of the water flow will have part of the water flow remaining on the flow plate 302, causing the increase of the humidity of the bottom of the box girder 1, which is easy to cause the concrete to be affected.
Claims
1. A fish belly type cast-in-place box girder spraying maintenance device, comprising a box girder (1), the top of the box girder (1) is connected with a displacement frame (2), the top of the displacement frame (2) is connected with a spraying frame (201), one side of the displacement frame (2) is provided with a water storage tank (202), the bottom of the spraying frame (201) is provided with a spraying head (203), the bottom of the box girder (1) is connected with a base (3), characterized in that, The top of the base (3) is provided with a drainage groove (301), the middle of the drainage groove (301) is connected with a flow plate (302), one end of the flow plate (302) is connected with a deflection shaft (3021), the end of the flow plate (302) away from the deflection shaft (3021) is provided with a flow inclined surface (3022), one end of the flow inclined surface (3022) is provided with a fitting opening (3023), one side of the fitting opening (3023) is provided with an abutting assembly, the abutting assembly swings along the axial side, the middle bottom of the drainage groove (301) is provided with a fitting block (3012), and the top of the fitting block (3012) is matched with the fitting opening (3023).
2. The fish-belly type spray curing device for cast-in-situ box girder according to claim 1, characterized in that, The spraying frame (201) comprises a displacement block (2011) and a transmission screw rod (2012), the displacement block (2011) is arranged at the bottom of the spraying frame (201), and the transmission screw rod (2012) is arranged penetratingly in the middle of the displacement block (2011).
3. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 2, characterized in that, Both ends of the transmission screw rod (2012) are rotationally connected to the middle of the displacement frame (2), and one end of the transmission screw rod (2012) is in transmission connection with the motor outside the displacement frame (2).
4. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 1, characterized in that, The water storage tank (202) is in communication with the pipeline in the spraying frame (201).
5. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 1, characterized in that, The flow plate (302) is connected to the middle of the drainage groove (301) through the deflection shaft (3021) at one end, and both ends of the deflection shaft (3021) are provided with torsion springs.
6. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 1, characterized in that, The flow inclined surface (3022) is arranged at the opposite end of the two flow plates (302), and the flow inclined surface (3022) is provided in an extension structure.
7. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 1, characterized in that, The abutting assembly comprises a resisting block (3024) and a deflection groove (3025), the deflection groove (3025) is arranged on the surface of one end of the flow inclined surface (3022), and the resisting block (3024) is hingedly connected in the deflection groove (3025).
8. The fish-bellied cast-in-place box girder spraying maintenance device according to claim 1, characterized in that, The fitting block (3012) comprises a contraction groove (3013) and a limiting block (3014), the contraction groove (3013) is arranged at both sides of the fitting block (2012), the limiting block (3014) is arranged in the middle of the contraction groove (3013), one end of the limiting block (3014) is connected with the contraction groove (3013) through a spring, and one end of the limiting block (3014) is a semicircular spherical structure protruding from the surface of the fitting block (3012).