CN111287187B

CN111287187B - Large-volume concrete structure and construction method thereof

Info

Publication number: CN111287187B
Application number: CN202010276086.6A
Authority: CN
Inventors: 王鹏辉; 尚琼; 张杨; 娄爱军; 冀军建; 徐永进
Original assignee: Yutong Engineering Management Co Ltd
Current assignee: Yutong Engineering Management Co Ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-07-13
Anticipated expiration: 2040-04-09
Also published as: CN111287187A

Abstract

The invention relates to a large-volume concrete structure and a construction method thereof, belonging to the technical field of construction engineering construction and comprising a concrete structure body, wherein a cavity is formed in the concrete structure body, a water inlet hole is formed in the upper surface of the concrete structure body and is communicated with the cavity, a water storage tank is arranged in the cavity, an impurity filtering piece is arranged between the water storage tank and the water inlet hole, a water spraying device communicated with the water storage tank is arranged on one side of the water storage tank in the cavity, an opening is also formed in the upper surface of the concrete structure body and is positioned right above the water spraying device, a lifting assembly for driving the water spraying device to lift in the vertical direction is arranged in the cavity, and a shielding plate is hinged on the; when the water spraying device extends out of the opening, the shielding plate is automatically opened; when the water spraying device retracts into the cavity, the shielding plate automatically covers the open hole, and the concrete spraying device has the advantage of reducing the temperature of the surface of mass concrete so as to improve the working environment of workers.

Description

Large-volume concrete structure and construction method thereof

Technical Field

The invention relates to the technical field of construction engineering construction, in particular to a large-volume concrete structure and a construction method thereof.

Background

At present, with the development of social economy, building modeling tends to be in special-shaped development, cable membrane structures or arch structures are more and more applied, with the increase of building volume, the volume of an anti-thrust foundation is larger and larger, the anti-thrust foundation is located underground, a method of pouring concrete in a primary trough is generally adopted, the heat dissipation area is small, the maintenance time is long, the internal and external temperature difference is difficult to meet relevant requirements, cracks are easy to generate, and the construction period and the quality are affected. Thus, chinese patent application publication No. CN109695246A discloses a heat dissipation method for mass concrete construction, which includes the steps of excavation and support construction of foundation pit of mass concrete anti-thrust foundation, measuring and setting-out, releasing the positions of constructional steel bars and embedded parts of steel structural support frame, installing the first layer of support frame and measure steel bars, pouring concrete for bedding, installing the support frame and measure steel bars from bottom to top, installing anti-crack steel bars and heat dissipation three-dimensional steel bars, pouring mass concrete in layers, adding anti-crack and heat dissipation steel bar system in the steel bar system, after pouring concrete, transferring the heat in the concrete to the steel bars and support frame extending out of the concrete pouring surface through the three-dimensional steel bar heat dissipation system, transferring the hydration heat of the concrete to the steel bars by utilizing the excellent heat conductivity of the steel bars and steel bars, dissipating heat through the steel bars extending out of the concrete surface, forming a heat conducting channel.

However, the invention has the disadvantages that in hot summer, if mass concrete is continuously baked by the sun, pedestrians walking on the mass concrete pavement still have strong inflammation heat sensation; in summer rainstorm weather, rainwater can quickly flow and evaporate after dropping on the surface of the mass concrete, and the surface of the mass concrete is still hot after raining, so that workers working on the surface of the mass concrete structure have great discomfort.

Disclosure of Invention

In view of the disadvantages of the prior art, it is an object of the present invention to provide a mass concrete structure having advantages of reducing the temperature of the mass concrete surface and thus improving the working environment of workers.

The above object of the present invention is achieved by the following technical solutions:

a large-volume concrete structure comprises a concrete structure body, wherein a cavity is formed in the concrete structure body, a water inlet hole is formed in the upper surface of the concrete structure body and communicated with the cavity, a water storage tank is arranged in the cavity, an impurity filtering piece is arranged between the water storage tank and the water inlet hole, a water spraying device communicated with the water storage tank is arranged on one side, located on the water storage tank, in the cavity, an opening is further formed in the upper surface of the concrete structure body and located right above the water spraying device, a lifting assembly used for driving the water spraying device to lift in the vertical direction is arranged in the cavity, and a shielding plate is hinged to the opening; when the water spraying device extends out of the opening, the shielding plate is automatically opened; when the water spraying device retracts into the cavity, the shielding plate automatically covers the opening hole.

By adopting the technical scheme, in rainy days in summer, rainwater drops on the surface of the concrete structure body and flows into the water inlet hole along the trend, and the rainwater is filtered after passing through the impurity filtering piece, so that the rainwater is purified and then enters the water storage tank for storage; if in the weather of sunshine insolate in summer, directly start lifting unit for the vertical rebound of water jet equipment, the shielding plate is automatic to be opened this moment, and water jet equipment stretches to the upper surface of concrete structure in the cavity through the trompil, then will store the water blowout in the storage water tank through water jet equipment, and then cools down the concrete structure upper surface. After the arrangement, in hot summer, workers working on the upper surface of the concrete structure can feel cool after the water spraying device sprays water, so that the effect of reducing the temperature of the surface of mass concrete and improving the working environment of the workers is achieved.

The present invention in a preferred example may be further configured to: the water inlet is internally provided with a reinforcing cylinder, the reinforcing cylinder is hollow inside and is provided with openings at two ends, the opening at the upper end of the reinforcing cylinder is provided with a first filter screen plate, the opening at the lower end of the reinforcing cylinder is provided with a second filter screen plate, and the meshes of the first filter screen plate are larger than those of the second filter screen plate.

Through adopting above-mentioned technical scheme, in the rainwater directly got into the reinforcement section of thick bamboo on the inlet hole, first filter plate can tentatively block the comparatively big granule of concrete structure body upper surface, and the second filters the otter board and can blocks once more some first filter plate granule that does not filter the little granule that arrives to let the rainwater that flows out from reinforcing section of thick bamboo contain impurity less, thereby reach and carry out tentatively filterable effect to the rainwater.

The present invention in a preferred example may be further configured to: impurity filters piece includes standpipe, filter screen cage and active carbon, the standpipe intercommunication sets up on the roof of storage water tank, the lower half section of consolidating a section of thick bamboo is located the cavity and inserts and establish the inside of standpipe, the filter screen cage sets up in the standpipe, the active carbon loads in the filter screen cage, be provided with in the standpipe and be used for supporting the piece of propping tightly in the standpipe with consolidating a section of thick bamboo.

Through adopting above-mentioned technical scheme, after the rainwater in consolidating the section of thick bamboo enters into the standpipe, can contact the filter screen cage at first, the active carbon in the filter screen cage can purify the rainwater this moment to also filter some slight particle impurity, make the rainwater that enters into in the storage water tank through the standpipe more clean, reach the effect of further purification rainwater.

The present invention in a preferred example may be further configured to: the supporting part comprises a rubber arc plate and a spring, the rubber arc plate is located in the vertical pipe, the rubber arc plate is attached to the outer wall of the reinforcing cylinder, the spring is arranged between the inner walls of the rubber arc plate and the vertical pipe in a plurality of modes, one end of the spring is connected with the inner wall of the vertical pipe, and the other end of the spring is connected with the plate wall of the rubber arc plate.

Through adopting above-mentioned technical scheme, when installing reinforcing section of thick bamboo and a vertical section of thick bamboo, directly insert reinforcing section of thick bamboo the vertical section of thick bamboo in, then the rubber arc can paste the surface of tightly reinforcing section of thick bamboo automatically under the effect of spring this moment for realize the connection of supporting the tight formula between a vertical section of thick bamboo and the reinforcing section of thick bamboo, thereby reach and connect a vertical section of thick bamboo and the comparatively convenient effect of a reinforcing section of thick bamboo.

The present invention in a preferred example may be further configured to: the water spraying device comprises a water suction pump, a water suction pipe, a water spraying pipe and a spray head, wherein the water suction pump is arranged on one side of the water storage tank in the cavity, the water suction pipe is communicated between the water suction pump and the water storage tank, the water spraying pipe is communicated with an output port end of the water suction pump, the spray head is arranged at one end, away from the water suction pump, of the water spraying pipe, and the water spraying pipe is an organ pipe.

By adopting the technical scheme, the water suction pump is started to start to operate, water in the water storage tank is pumped out, and is transported to the spray head through the water suction pipe and the water spraying pipe, and finally is sprayed out from the spray head; because the spray pipe is the organ pipe, when the spray head can move in the vertical direction, the spray pipe can stretch along with the movement of the spray head, so that the spray head can normally spray water.

The present invention in a preferred example may be further configured to: one side that is located the suction pump in the cavity is provided with the crane, lifting unit includes servo motor and threaded rod, the threaded rod rotates to set up on the crane and vertical setting, servo motor sets up on the crane, and servo motor's output shaft with threaded rod coaxial coupling, one side of shower nozzle be provided with threaded rod looks vertically branch, be provided with the threaded sleeve who cup joints with the threaded rod screw thread on the branch, be provided with on the threaded sleeve and prevent the threaded sleeve along with the synchronous pivoted of threaded rod piece that splines.

Through adopting above-mentioned technical scheme, start servo motor, make servo motor's output shaft begin to rotate, the threaded rod with servo motor's output shaft coaxial coupling just can begin to rotate this moment, under the effect of rotation stopping piece, threaded sleeve can not follow threaded rod synchronous rotation, but can realize moving along the length direction of threaded rod under the threaded rod pivoted circumstances, the shower nozzle just can move along with threaded sleeve on vertical direction this moment, thereby reach the comparatively convenient effect of drive shower nozzle removal on vertical direction.

The present invention in a preferred example may be further configured to: the rotation stopping piece comprises a sliding block arranged on the threaded sleeve, a vertical rail is arranged on the lifting frame, the length direction of the vertical rail is parallel to the length direction of the threaded rod, a sliding groove is formed in one side, close to the threaded rod, of the vertical rail and along the length direction of the vertical rail, and the sliding block is inserted into the sliding groove in a sliding mode.

By adopting the technical scheme, after the sliding block on the threaded sleeve is inserted into the sliding groove of the vertical rail, the rotation of the threaded sleeve in the circumferential direction is limited, and the threaded sleeve cannot synchronously rotate along with the threaded rod; when the threaded sleeve moves along the length direction of the threaded rod, the sliding block can also move in the sliding groove along the length direction of the vertical rail, and therefore the effect that the threaded sleeve is prevented from rotating along with the threaded rod, namely the effect is visual and convenient is achieved.

The present invention in a preferred example may be further configured to: a torsional spring is arranged at the hinged position of the shielding plate and the opening, the torsional spring enables the shielding plate to always have the tendency of rotating far away from the opening side, a pull rope is connected between the spray head and the shielding plate, one end of the pull rope is connected with a support rod on the spray head, and the other end of the pull rope is connected with the plate surface of the shielding plate; when the shielding plate completely shields the opening, the pull rope is in a tightening state and the spray head is positioned in the cavity; when the shielding plate is in a state of exposing the opening, the pull rope is in a loose state and the spray head extends out of the opening.

By adopting the technical scheme, when the spray head moves vertically upwards, the tightened pull rope is gradually in a loose state, at the moment, the shielding plate is not limited by the pull rope any more and gradually rotates away under the action of the torsional force of the torsional spring, at the moment, the shielding plate gradually exposes the opening, then the shielding plate rotates to one side of the opening, and at the moment, the spray head completely extends out of the opening after moving vertically downwards; if the nozzle moves vertically downwards, the loose stay cord is gradually influenced by the vertical downward movement of the nozzle and is gradually in a tightening state, then the nozzle applies a vertical downward pulling force to the shielding plate, the rotated shielding plate is gradually pulled back to the position for shielding the opening, and the nozzle stops moving until the shielding plate completely shields the opening; the arrangement can lead the spray head to automatically open the shielding plate when vertically moving upwards, and lead the shielding plate to cover the open hole again after the spray head retracts into the cavity, thereby achieving the effect of realizing the automatic opening and closing of the shielding plate.

The present invention in a preferred example may be further configured to: one side that lies in servo motor in the cavity is provided with the battery, the battery is connected with servo motor and the equal electricity of suction pump, the holding tank has been seted up to the upper surface of concrete structure, be provided with the solar photovoltaic board in the holding tank, the solar photovoltaic board with the battery electricity is connected, the upper end opening part of holding tank covers and is equipped with toughened glass.

By adopting the technical scheme, the storage battery can provide electric energy for the servo motor and the water suction pump, and the solar photovoltaic panel can supply energy and charge the storage battery, so that the storage battery can continuously provide electric energy for the servo motor and the water suction pump; the toughened glass is arranged so that the solar photovoltaic panel can be stably positioned in the accommodating groove and is not easily influenced by the outside.

The second purpose of the invention is to provide a construction method of mass concrete structure, which has the advantages of reducing the temperature of the mass concrete surface and improving the working environment of workers.

a construction method of a mass concrete structure includes the following steps:

firstly, building a preliminary frame of a cavity, building the preliminary frame through a steel bar during building, installing a water storage tank in the frame built by the steel bar in advance, and reserving an opening for workers to go in and out from the side face of the frame built by the steel bar;

secondly, concrete is laid at the upper end and the periphery of the frame of the cavity, so that a primary concrete structure body is formed;

before the concrete structure body is solidified, putting a reinforcing cylinder into the unset concrete structure body, so that the reinforcing cylinder forms a water inlet, connecting the reinforcing cylinder with a vertical pipe on a water storage tank, reserving a position for an accommodating groove on the surface of the concrete structure body on one side of the water inlet, and placing a plate body with the surface coated with a release agent and the same size as the accommodating groove in the accommodating groove for shaping;

reserving a hole before the concrete structural body is solidified, fixing the initial shape of the hole through a steel plate, installing a baffle plate and a torsion spring, trying to rotate the baffle plate, and judging whether the baffle plate can automatically rotate far away from the hole side under the action of the torsion spring; if yes, performing the next installation step; if not, continuously adjusting the installation of the shielding plate and the torsion spring until the shielding plate can realize automatic rotation;

step five, installing a water spraying device, a lifting frame, a storage battery and a servo motor, taking out the plate body after the concrete structure body is solidified, immediately placing the solar photovoltaic plate in the shaped accommodating cavity, then installing tempered glass at an opening at the upper end of the accommodating cavity, electrically connecting the solar photovoltaic plate and the servo motor through a wire, and then electrically connecting the servo motor and the water spraying device with the storage battery through the wire;

and step six, continuously sealing the opening on the side surface of the frame erected by the steel bars through concrete pouring, and finishing construction after the concrete is solidified.

In summary, the invention includes at least one of the following beneficial technical effects:

in rainy days in summer, rainwater drops on the surface of the concrete structure body and then flows into the water inlet hole along the trend, the rainwater is filtered after passing through the impurity filter piece, so that the rainwater is purified and then enters the water storage tank for storage; if in the weather of sunshine insolate in summer, directly start lifting unit for the vertical rebound of water jet equipment, the shielding plate is automatic to be opened this moment, and water jet equipment stretches to the upper surface of concrete structure in the cavity through the trompil, then will store the water blowout in the storage water tank through water jet equipment, and then cools down the concrete structure upper surface. After the arrangement, in hot summer, workers working on the upper surface of the concrete structure can feel cool after the water spraying device sprays water, so that the effect of reducing the temperature of the surface of mass concrete and improving the working environment of the workers is achieved;

when the spray head moves vertically upwards, the tightened stay cord is gradually in a loose state, at the moment, the shielding plate is not limited by the stay cord any more and gradually rotates away under the action of torsion of the torsion spring, at the moment, the shielding plate gradually exposes the opening, then the shielding plate rotates to one side of the opening, and at the moment, the spray head completely extends out of the opening after moving vertically downwards; if the nozzle moves vertically downwards, the loose stay cord is gradually influenced by the vertical downward movement of the nozzle and is gradually in a tightening state, then the nozzle applies a vertical downward pulling force to the shielding plate, the rotated shielding plate is gradually pulled back to the position for shielding the opening, and the nozzle stops moving until the shielding plate completely shields the opening; the arrangement can lead the spray head to automatically open the shielding plate when vertically moving upwards, and lead the shielding plate to cover the open hole again after the spray head retracts into the cavity, thereby achieving the effect of realizing the automatic opening and closing of the shielding plate.

Drawings

FIG. 1 is a partial cross-sectional view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention showing the interior of a standpipe;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

Reference numerals: 1. a concrete structure; 11. a cavity; 12. a water inlet hole; 13. opening a hole; 14. a shielding plate; 15. a lifting frame; 151. a vertical rail; 1511. a chute; 16. a torsion spring; 17. accommodating grooves; 171. a solar photovoltaic panel; 172. tempering the glass; 2. a water storage tank; 3. an impurity filter; 31. a vertical tube; 32. a filter screen cage; 33. activated carbon; 4. a water spraying device; 41. a water pump; 42. a suction pipe; 43. a water spray pipe; 44. a spray head; 441. a strut; 442. pulling a rope; 5. a lifting assembly; 51. a servo motor; 52. a threaded rod; 521. a threaded sleeve; 5211. a slider; 6. a reinforcement cylinder; 61. a first filter screen plate; 62. a second filter screen plate; 7. an abutting piece; 71. a rubber arc plate; 72. a spring; 8. and (4) a storage battery.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a mass concrete structure disclosed by the invention comprises a concrete structure body 1, wherein a cavity 11 is formed in the concrete structure body 1, a water inlet hole 12 is formed in the upper surface of the concrete structure body 1, and the water inlet hole 12 is communicated with the cavity 11; a reinforcing cylinder 6 is arranged in the water inlet hole 12, the reinforcing cylinder 6 is hollow, and two ends of the reinforcing cylinder are opened; with reference to fig. 3, a first filter screen 61 is arranged at an opening at the upper end of the reinforcing cylinder 6, a second filter screen 62 is arranged at an opening at the lower end of the reinforcing cylinder 6, and meshes of the first filter screen 61 are larger than meshes of the second filter screen 62; in this embodiment, the reinforcing cylinder 6 is directly placed on the water inlet 12, that is, the upper opening of the water inlet 12 is a countersunk hole, and the upper side wall of the reinforcing cylinder 6 is provided with a convex edge matched with the countersunk hole; after the reinforcing cylinder 6 is placed in the water inlet 12, the upper end of the water inlet 12 is clamped by the convex edge, so that the reinforcing cylinder 6 is clamped in the water inlet 12.

In the reinforcing section of thick bamboo 6 on the rainwater direct entering inlet hole 12, first filter screen board 61 can tentatively block the comparatively big granule of concrete structure 1 upper surface, and second filter screen board 62 can block some first filter screen board 61 granule that does not filter once more after that to let the rainwater that flows out in the reinforcing section of thick bamboo 6 contain impurity less, thereby reach and carry out the effect of tentatively filtering to the rainwater.

As shown in fig. 2 and 3, a water storage tank 2 is arranged in the cavity 11, and an impurity filtering piece 3 is arranged between the water storage tank 2 and the water inlet 12; specifically, impurity filters 3 include standpipe 31, filter screen cage 32 and active carbon 33, and the standpipe 31 intercommunication sets up on the roof of storage water tank 2, and the lower half of reinforcing section of thick bamboo 6 is located cavity 11 and inserts the inside of establishing at standpipe 31, and filter screen cage 32 sets up in standpipe 31, and active carbon 33 loads in filter screen cage 32.

After rainwater in the reinforcing cylinder 6 enters the stand pipe 31, the rainwater can firstly contact the filter screen cage 32, the activated carbon 33 in the filter screen cage 32 can purify the rainwater at the moment, and some fine particle impurities are also filtered, so that the rainwater entering the water storage tank 2 through the stand pipe 31 is cleaner, and the effect of further purifying the rainwater is achieved.

As shown in fig. 3, a fastening member 7 is disposed in the vertical tube 31, and the fastening member 7 is used for fastening the reinforcing tube 6 in the vertical tube 31. The abutting piece 7 comprises a rubber arc-shaped plate 71 and a spring 72, the rubber arc-shaped plate 71 is located in the vertical pipe 31, the rubber arc-shaped plate 71 is attached to the outer wall of the reinforcing cylinder 6, the spring 72 is arranged between the inner walls of the rubber arc-shaped plate 71 and the vertical pipe 31 in a plurality, one end of the spring 72 is connected with the inner wall of the vertical pipe 31, and the other end of the spring is connected with the plate wall of the rubber arc-shaped plate 71.

When the reinforcing cylinder 6 and the vertical cylinder are installed, the vertical cylinder is directly inserted into the reinforcing cylinder 6, and then the rubber arc-shaped plate 71 can automatically cling to the surface of the reinforcing cylinder 6 under the action of the spring 72, so that abutting connection between the vertical cylinder and the reinforcing cylinder 6 is realized, and the effect of conveniently connecting the vertical cylinder and the reinforcing cylinder 6 is achieved; when needing to dismantle a reinforcing section of thick bamboo 6, direct vertical upwards exerting oneself pulling reinforcing section of thick bamboo 6, reinforcing section of thick bamboo 6 just can break away from with rubber arc 71 this moment, and reinforcing section of thick bamboo 6 just can take out from the inlet hole 12 comparatively smoothly to reach and dismantle the comparatively convenient effect of reinforcing section of thick bamboo 6.

As shown in fig. 2, a water spraying device 4 communicated with the water storage tank 2 is arranged at one side of the water storage tank 2 in the cavity 11, the water spraying device 4 comprises a water suction pump 41, a water suction pipe 42, a water spraying pipe 43 and a nozzle 44, the water suction pump 41 is arranged at one side of the water storage tank 2 in the cavity 11, the water suction pipe 42 is communicated between the water suction pump 41 and the water storage tank 2, that is, an opening at one end of the water suction pipe 42 is communicated with a side wall of the water storage tank 2 near the bottom, and an opening at the other end is communicated with an input port end of the; the spray pipe 43 is communicated with the output end of the water pump 41, the nozzle 44 is arranged at one end of the spray pipe 43 far away from the water pump 41, and the spray pipe 43 is an organ pipe, that is, the spray pipe 43 can be stretched under the action of external force.

Starting the water pump 41 to make the water pump 41 start to operate, pumping out the water in the water storage tank 2, transporting the water to the spray head 44 through the water suction pipe 42 and the water spraying pipe 43, and finally spraying out from the spray head 44; since the spout 43 is an organ, when the head 44 can move in the vertical direction, the spout 43 can expand and contract with the movement of the head 44, and the head 44 can normally spout water.

As shown in fig. 2 and 4, the upper surface of the concrete structure 1 is further provided with an opening 13, the opening 13 is located right above the nozzle 44 of the water spraying device 4, a lifting assembly 5 is arranged in the cavity 11, and the lifting assembly 5 is used for driving the water spraying device 4 to lift in the vertical direction; specifically, the lifting assembly 5 comprises a servo motor 51 and a threaded rod 52; a lifting frame 15 is arranged on one side of the water suction pump 41 in the cavity 11, and the threaded rod 52 is rotatably arranged on the lifting frame 15 and is vertically arranged; the servo motor 51 is arranged on the lifting frame 15, an output shaft of the servo motor 51 is coaxially connected with the threaded rod 52, one side of the spray head 44 is provided with a support rod 441 which is vertical to the threaded rod 52, the support rod 441 is L-shaped, and the support rod 441 is provided with a threaded sleeve 521 which is in threaded sleeve connection with the threaded rod 52; the threaded sleeve 521 is provided with a rotation stop member for preventing the threaded sleeve 521 from rotating synchronously with the threaded rod 52.

As shown in fig. 4, the rotation stopping member is a sliding block 5211 disposed on the threaded sleeve 521, the lifting frame 15 is provided with a vertical rail 151, the length direction of the vertical rail 151 is parallel to the length direction of the threaded rod 52, a sliding groove 1511 is disposed on one side of the vertical rail 151 close to the threaded rod 52 and along the length direction of the vertical rail 151, and the sliding block 5211 is slidably inserted into the sliding groove 1511.

When the servo motor 51 is started to rotate the output shaft of the servo motor 51, the threaded rod 52 coaxially connected to the output shaft of the servo motor 51 will rotate, and when the sliding block 5211 on the threaded sleeve 521 is inserted into the sliding slot 1511 of the vertical rail 151, the rotation of the threaded sleeve 521 in the circumferential direction is limited, so that the threaded sleeve 521 cannot rotate synchronously with the threaded rod 52, but can move along the length direction of the threaded rod 52 under the condition that the threaded rod 52 rotates, at the same time, the spray head 44 will move along the vertical direction of the threaded sleeve 521, and the sliding block 5211 will also move along the length direction of the vertical rail 151 in the sliding slot 1511, thereby achieving the effect of conveniently driving the spray head 44 to move in the vertical direction.

As shown in fig. 4, a shielding plate 14 is hinged on the opening 13; when the water spraying device 4 extends out of the opening 13, the shielding plate 14 is automatically opened; when the water spray device 4 is retracted into the cavity 11, the shutter 14 automatically covers the opening 13.

As shown in fig. 4, a torsion spring 16 is arranged at the hinge joint of the shielding plate 14 and the opening 13, and the torsion spring 16 makes the shielding plate 14 always have a tendency of rotating towards the side far away from the opening 13; a pull rope 442 is connected between the spray head 44 and the shielding plate 14, one end of the pull rope 442 is connected with the support rod 441 on the spray head 44, and the other end is connected with the plate surface of the shielding plate 14; when the shielding plate 14 completely shields the opening 13, the pull rope 442 is in a tensioned state and the spray head 44 is located in the cavity 11; when the shutter 14 is in a state of exposing the opening 13, the draw cord 442 is in a relaxed state and the head 44 is extended out of the opening 13.

When the spray head 44 moves vertically upwards, the tense pull rope 442 is gradually in a loose state, at this time, the shielding plate 14 is not limited by the pull rope 442 and gradually rotates away under the action of the torsion force of the torsion spring 16, at this time, the shielding plate 14 gradually exposes the opening 13, and then rotates to one side of the opening 13, at this time, the spray head 44 completely extends out of the opening 13 after moving vertically downwards; if the nozzle 44 moves vertically downward, the loose pull rope 442 is gradually affected by the downward movement of the nozzle 44 and is gradually tightened, and at this time, the nozzle 44 applies a downward vertical pulling force to the shielding plate 14, and the rotated shielding plate 14 is gradually pulled back to the position where the opening 13 is shielded, until the shielding plate 14 completely shields the opening 13, the nozzle 44 stops moving; the arrangement can enable the shielding plate 14 to be opened automatically when the spray head 44 moves upwards vertically, and enable the shielding plate 14 to cover the opening 13 again after the spray head 44 retracts into the cavity 11, so as to achieve the effect of realizing the automatic opening and closing of the shielding plate 14.

As shown in fig. 1 and 2, a storage battery 8 is arranged at one side of the servo motor 51 in the cavity 11, and the storage battery 8 is electrically connected with the servo motor 51 and the water pump 41; the upper surface of the concrete structure body 1 is provided with an accommodating groove 17, a solar photovoltaic panel 171 is arranged in the accommodating groove 17, and the solar photovoltaic panel 171 is electrically connected with the storage battery 8; the opening at the upper end of the accommodating groove 17 is covered with toughened glass 172.

The storage battery 8 can provide electric energy for the servo motor 51 and the water suction pump 41, and the solar photovoltaic panel 171 can supply energy for charging the storage battery 8, so that the storage battery 8 can continuously provide electric energy for the servo motor 51 and the water suction pump 41; the tempered glass 172 is disposed to enable the solar photovoltaic panel 171 to be stably disposed in the accommodating groove 17 and not easily affected by the outside.

Example two: a construction method of a mass concrete structure includes the following steps:

firstly, building a preliminary frame of the cavity 11, building the preliminary frame through a steel bar during building, pre-installing the water storage tank 2 in the frame built by the steel bar, and reserving an opening for a worker to go in and out from the side surface of the frame built by the steel bar;

secondly, paving concrete at the upper end and the periphery of the frame of the cavity 11 to form a primary concrete structure body 1;

before the concrete structure body 1 is solidified, putting a reinforcing cylinder 6 into the unset concrete structure body 1, so that the reinforcing cylinder 6 forms a water inlet hole 12, connecting the reinforcing cylinder 6 with a vertical pipe 31 on the water storage tank 2, reserving a position of an accommodating groove 17 on the surface of the concrete structure body 1 on one side of the water inlet hole 12, and putting a plate body which is coated with a release agent on the surface and has the same size as the accommodating groove 17 into the accommodating groove 17 for shaping;

step four, reserving an opening 13 before the concrete structural body 1 is solidified, fixing the initial shape of the opening 13 through a steel plate, then installing a shielding plate 14 and a torsion spring 16, trying to rotate the shielding plate 14, and seeing whether the shielding plate 14 automatically rotates to the side far away from the opening 13 under the action of the torsion spring 16; if yes, performing the next installation step; if not, the installation of the shielding plate 14 and the torsion spring 16 is continuously adjusted until the shielding plate 14 can realize automatic rotation;

step five, installing the water spraying device 4, the lifting frame 15, the storage battery 8 and the servo motor 51, taking out the plate body after the concrete structure body 1 is solidified, immediately placing the solar photovoltaic panel 171 in the shaped accommodating cavity, then installing tempered glass 172 at an opening at the upper end of the accommodating groove 17, electrically connecting the solar photovoltaic panel 171 and the servo motor 51 through a wire, and then electrically connecting the servo motor 51 and the water spraying device 4 with the storage battery 8 through a wire;

The implementation principle of the embodiment is as follows: in rainy days in summer, rainwater drops on the surface of the concrete structure body 1, then flows into the water inlet 12 along the trend, and is filtered after passing through the reinforcing cylinder 6 and the vertical pipe 31, so that the rainwater is purified and then enters the water storage tank 2 for storage; if in the weather of summer sunshine insolate, directly start servo motor 51 for shower nozzle 44 is vertical upward movement, and shutter 14 is automatic to be opened this moment, and shower nozzle 44 stretches to the upper surface of concrete structure 1 from cavity 11 through trompil 13, then will store the water blowout in storage water tank 2 through shower nozzle 44, and then cools down concrete structure 1 upper surface. After such an arrangement, in hot summer, a worker working on the upper surface of the concrete structure 1 can feel cool after the water is sprayed from the water spray device 4, thereby achieving an effect of reducing the temperature of the surface of the mass concrete and improving the working environment of the worker.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A construction method of a large-volume concrete structure comprises a concrete structure body (1), a cavity (11) is formed in the concrete structure body (1), a water inlet hole (12) is formed in the upper surface of the concrete structure body (1), the water inlet hole (12) is communicated with the cavity (11), a water storage tank (2) is arranged in the cavity (11), an impurity filtering piece (3) is arranged between the water storage tank (2) and the water inlet hole (12), a water spraying device (4) communicated with the water storage tank (2) is arranged on one side, located on the water storage tank (2), in the cavity (11), an opening (13) is further formed in the upper surface of the concrete structure body (1), the opening (13) is located right above the water spraying device (4), and a lifting assembly (5) used for driving the water spraying device (4) to lift in the vertical direction is arranged in the cavity (11), a shielding plate (14) is hinged on the opening hole (13); when the water spraying device (4) extends out of the opening (13), the shielding plate (14) is automatically opened; when the water spraying device (4) retracts into the cavity (11), the shielding plate (14) automatically covers the opening (13); a reinforcing cylinder (6) is arranged in the water inlet hole (12), the reinforcing cylinder (6) is hollow, two ends of the reinforcing cylinder are provided with openings, a first filter screen plate (61) is arranged at the opening at the upper end of the reinforcing cylinder (6), a second filter screen plate (62) is arranged at the opening at the lower end of the reinforcing cylinder (6), and meshes of the first filter screen plate (61) are larger than meshes of the second filter screen plate (62); the impurity filtering piece (3) comprises a vertical pipe (31), a filter screen cage (32) and active carbon (33), the vertical pipe (31) is communicated with and arranged on the top wall of the water storage tank (2), the lower half section of the reinforcing cylinder (6) is positioned in the cavity (11) and inserted into the vertical pipe (31), the filter screen cage (32) is arranged in the vertical pipe (31), the active carbon (33) is filled in the filter screen cage (32), and a propping piece (7) used for propping the reinforcing cylinder (6) in the vertical pipe (31) is arranged in the vertical pipe (31); the abutting piece (7) comprises a rubber arc-shaped plate (71) and springs (72), the rubber arc-shaped plate (71) is located in the vertical pipe (31), the rubber arc-shaped plate (71) is attached to the outer wall of the reinforcing cylinder (6), a plurality of springs (72) are arranged between the rubber arc-shaped plate (71) and the inner wall of the vertical pipe (31), one end of each spring (72) is connected with the inner wall of the vertical pipe (31), and the other end of each spring is connected with the plate wall of the rubber arc-shaped plate (71); the water spraying device (4) comprises a water suction pump (41), a water suction pipe (42), a water spraying pipe (43) and a spray head (44), the water suction pump (41) is arranged in the cavity (11) and is positioned on one side of the water storage tank (2), the water suction pipe (42) is communicated and arranged between the water suction pump (41) and the water storage tank (2), the water spraying pipe (43) is communicated and arranged at an output port end of the water suction pump (41), the spray head (44) is arranged at one end, far away from the water suction pump (41), of the water spraying pipe (43), and the water spraying pipe (43) is an organ pipe; a lifting frame (15) is arranged on one side, located on the water suction pump (41), in the cavity (11), the lifting assembly (5) comprises a servo motor (51) and a threaded rod (52), the threaded rod (52) is rotatably arranged on the lifting frame (15) and vertically arranged, the servo motor (51) is arranged on the lifting frame (15), an output shaft of the servo motor (51) is coaxially connected with the threaded rod (52), a supporting rod (441) perpendicular to the threaded rod (52) is arranged on one side of the spray head (44), a threaded sleeve (521) in threaded sleeve connection with the threaded rod (52) is arranged on the supporting rod (441), and a rotation stopping piece for preventing the threaded sleeve (521) from synchronously rotating along with the threaded rod (52) is arranged on the threaded sleeve (521); the rotation stopping piece comprises a sliding block (5211) arranged on a threaded sleeve (521), a vertical rail (151) is arranged on the lifting frame (15), the length direction of the vertical rail (151) is parallel to the length direction of the threaded rod (52), a sliding groove (1511) is formed in one side, close to the threaded rod (52), of the vertical rail (151) and along the length direction of the vertical rail (151), and the sliding block (5211) is inserted into the sliding groove (1511) in a sliding mode; a torsion spring (16) is arranged at the hinged position of the shielding plate (14) and the opening (13), the torsion spring (16) enables the shielding plate (14) to always have a tendency of rotating towards the side far away from the opening (13), a pull rope (442) is connected between the spray head (44) and the shielding plate (14), one end of the pull rope (442) is connected with a support rod (441) on the spray head (44), and the other end of the pull rope (442) is connected with the plate surface of the shielding plate (14); when the shielding plate (14) is completely shielded on the opening (13), the pull rope (442) is in a tensioned state and the spray head (44) is positioned in the cavity (11); when the shielding plate (14) is in a state of exposing the opening (13), the pull rope (442) is in a loose state and the spray head (44) extends out of the opening (13); a storage battery (8) is arranged on one side, located on the servo motor (51), in the cavity (11), the storage battery (8) is electrically connected with the servo motor (51) and the water suction pump (41), a containing groove (17) is formed in the upper surface of the concrete structure body (1), a solar photovoltaic panel (171) is arranged in the containing groove (17), the solar photovoltaic panel (171) is electrically connected with the storage battery (8), and tempered glass (172) covers an opening in the upper end of the containing groove (17); the method is characterized in that: the method comprises the following steps:

firstly, building a preliminary frame of a cavity (11), building the preliminary frame through a steel bar during building, pre-installing a water storage tank (2) in the frame built by the steel bar, and reserving an opening for a worker to go in and out from the side surface of the frame built by the steel bar;

secondly, paving concrete at the upper end and the periphery of the frame of the cavity (11) to form a primary concrete structure body (1);

before the concrete structure body (1) is solidified, putting a reinforcing cylinder (6) into the unset concrete structure body (1), so that the reinforcing cylinder (6) forms a water inlet hole (12), connecting the reinforcing cylinder (6) with a vertical pipe (31) on a water storage tank (2), reserving a position of an accommodating groove (17) on the surface of the concrete structure body (1) on one side of the water inlet hole (12), and putting a plate body which is coated with a release agent on the surface and has the same size as the accommodating groove (17) into the accommodating groove (17) for shaping;

step four, reserving an opening (13) before the concrete structure body (1) is solidified, fixing the initial shape of the opening (13) through a steel plate, then installing a shielding plate (14) and a torsion spring (16), trying to rotate the shielding plate (14), and seeing whether the shielding plate (14) automatically rotates towards the side far away from the opening (13) under the action of the torsion spring (16); if yes, performing the next installation step; if not, continuously adjusting the installation of the shielding plate (14) and the torsion spring (16) until the shielding plate (14) can realize automatic rotation;

fifthly, installing a water spraying device (4), a lifting frame (15), a storage battery (8) and a servo motor (51), taking out the plate body after the concrete structure body (1) is solidified, immediately placing a solar photovoltaic panel (171) in the shaped accommodating cavity, then installing tempered glass (172) at an opening at the upper end of the accommodating groove (17), electrically connecting the solar photovoltaic panel (171) and the servo motor (51) through a wire, and then electrically connecting the servo motor (51) and the water spraying device (4) with the storage battery (8) through the wire;