CN119332866B - Heat-insulating and sound-insulating structure integrated assembled composite floor slab - Google Patents
Heat-insulating and sound-insulating structure integrated assembled composite floor slab Download PDFInfo
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- CN119332866B CN119332866B CN202411453847.5A CN202411453847A CN119332866B CN 119332866 B CN119332866 B CN 119332866B CN 202411453847 A CN202411453847 A CN 202411453847A CN 119332866 B CN119332866 B CN 119332866B
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Abstract
本发明属于建筑施工技术领域，尤其是涉及一种保温隔声结构一体化装配式叠合楼板，包括楼板本体，所述楼板本体的上端固定连接有矩形多个阵列分布的连接件，所述楼板本体的内部开设有起到保温绝热效果的中空层，所述中空层的两侧内壁均嵌装有与外界连通的通风钢管；调节组件，用于根据外界温度调节中空层的保温绝热效果。本发明通过设置调节组件，能够温度变化来调节通风钢管的通风速率，从而通过空气对流速度的变化来调节保温效果；通过设置自适应隔声组件，能够通过外界的声压情况对变形吸声件周侧的电场强度进行调节，通过对变形吸声件变形程度的改变来调节隔声效果。
The present invention belongs to the field of building construction technology, and in particular, relates to an integrated assembled composite floor slab with thermal insulation and sound insulation structure, including a floor slab body, the upper end of which is fixedly connected with a plurality of connectors distributed in a rectangular array, a hollow layer having a thermal insulation effect is provided inside the floor slab body, and ventilation steel pipes connected to the outside are embedded in the inner walls of both sides of the hollow layer; and an adjustment component is used to adjust the thermal insulation effect of the hollow layer according to the outside temperature. The present invention can adjust the ventilation rate of the ventilation steel pipe according to temperature changes by setting an adjustment component, thereby adjusting the thermal insulation effect by changing the air convection speed; by setting an adaptive sound insulation component, the electric field strength around the deformable sound absorbing member can be adjusted according to the sound pressure of the outside world, and the sound insulation effect can be adjusted by changing the deformation degree of the deformable sound absorbing member.
Description
Technical Field
The invention belongs to the technical field of floors, and particularly relates to an integrated assembled composite floor with a heat-insulation and sound-insulation structure.
Background
The assembled composite floor slab is one prefabricated building member for use in multilayer building and features that the prefabricated floor slab module is assembled and installed in the construction site to raise the efficiency, quality and safety of building construction and reduce the construction period and labor strength.
Along with the continuous development of the building industry, the design and construction technology of the assembled composite floor slab is also continuously advanced, but the existing composite floor slab still has the following technical problems:
The heat preservation and insulation effect of the composite floor slab cannot be adjusted according to the external temperature environment, when the external temperature is higher, the heat preservation effect cannot be properly reduced, so that the heat preservation effect is too high, aging or deformation of building materials (such as wood, plastics and the like) is accelerated, when the external temperature is lower, the heat preservation effect cannot be improved, the indoor heat is quickly lost, and the energy consumption for heating and refrigerating is increased;
The sound insulation effect cannot be adjusted according to the external sound pressure condition, and the noise levels of the external environment in different time periods and active states have larger differences, for example, the sound insulation effect is relatively lower when the noise level is high in the daytime due to quieter night and noisier daytime, the comfort level and the life quality of people are reduced, and the sound insulation effect is relatively higher when the noise level is low at night, so that the sound in an indoor space is too clumsy, the voice communication is influenced, certain potential safety hazards exist, and the alarm sound cannot be heard when a fire disaster occurs.
Therefore, there is a need for a composite floor slab that can adjust the thermal and acoustic insulation effects of the composite floor slab according to the external temperature environment and sound pressure conditions.
Disclosure of Invention
The invention aims at solving the problems in the background art, and provides the heat-insulating and sound-insulating structure integrated assembled composite floor slab which can adjust the ventilation rate of a ventilation steel pipe according to temperature change, thereby adjusting the heat-insulating effect through the change of air convection speed, adjusting the electric field intensity at the periphery of a deformed sound-absorbing member through the external sound pressure condition, and adjusting the sound-insulating effect through the change of the deformation degree of the deformed sound-absorbing member.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The integrated assembled composite floor slab with the heat-insulating and sound-insulating structure comprises a floor slab body, wherein the upper end of the floor slab body is fixedly connected with a plurality of connecting pieces distributed in a rectangular array, a hollow layer with heat-insulating effect is arranged in the floor slab body, and ventilation steel pipes communicated with the outside are embedded in the inner walls of two sides of the hollow layer;
The adjusting component is used for adjusting the heat preservation and insulation effect of the hollow layer according to the external temperature, the adjusting component comprises a rubber tube fixedly connected to the end part of the ventilation steel tube, the rubber tube is located in the hollow layer, an annular liquid storage chamber is fixedly connected to the inner wall of the rubber tube, kerosene with expansion and contraction properties is filled in the annular liquid storage chamber, a heat conducting hose communicated with the outside is fixedly connected to the annular liquid storage chamber, and silicone oil with high heat conductivity coefficient is filled in the tube body of the heat conducting hose.
Preferably, the inner wall of the hollow layer is fixedly connected with a reinforcing net.
Preferably, the self-adaptive sound insulation assembly is used for self-adaptively adjusting the sound insulation effect according to the intensity of noise, the self-adaptive sound insulation assembly comprises a containing groove arranged at the bottom end of the floor slab body, a deformation sound absorption piece made of an electro-deformation material is fixedly connected to the central position inside the containing groove, and a control module for adjusting the surface area and the shape of the deformation sound absorption piece is arranged inside the floor slab body.
Preferably, the control module comprises a microcontroller arranged in the floor body and a plurality of sound pressure sensors distributed in an array, and the microcontroller adjusts the electric field intensity applied to the periphery of the deformation sound absorbing piece according to the plurality of sound pressure sensors.
Preferably, the floor is assembled using a lifting device comprising:
the lifting assembly is used for assembling the floor body, the lifting assembly comprises a lifting car body arranged on one side of the floor body, the upper end of the lifting car body is fixedly connected with a hydraulic cylinder, the top output end of the hydraulic cylinder is fixedly connected with a sliding rail, a sliding block is connected in the sliding rail in a sliding mode, an electric push rod used for driving the sliding block is connected in a sliding mode, the bottom of the sliding block is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a hydraulic rod, the telescopic ends of the hydraulic rod are fixedly connected with lifting plates, two sides of the bottom of the lifting plates are respectively connected with a rotating rod in a rotating mode, a rope guiding wheel is respectively arranged on each rotating rod, a plurality of traction ropes are respectively wound on the rope guiding wheels, lifting hooks matched with connecting pieces are respectively arranged at the bottom ends of the traction ropes, adjusting parts are respectively arranged on the rotating rods and are used for adjusting the span and the span angle between the traction ropes and the floor body so as to improve the stability in the lifting process, and the lifting force balancing parts are respectively arranged between the rotating rods and the rope guiding wheels so as to avoid the weight of the floor body to be concentrated on the rope at one end in the lifting process.
Preferably, each adjusting part comprises a gear fixedly connected with the end part of the rotating rod, and a rack meshed with the gear is fixedly connected with the bottom end of the supporting plate in the vertical direction.
Preferably, each lifting force balancing component comprises a control disc fixedly connected to the rotating rod, an arc-shaped guide groove is fixedly connected to one side wall of the control disc, which is close to the guide pulley, a guide block is fixedly connected to the side wall of the guide pulley, the guide block is slidably connected to the inner wall of the arc-shaped guide groove, an electromagnetic spring is arranged between the guide block and the inner wall of the arc-shaped guide groove, and a slide rheostat for controlling the compression degree of the electromagnetic spring is arranged on the side wall of the lifting plate.
Preferably, the slide rheostat comprises a resistance rod fixedly connected to the side wall of the lifting plate, a sliding sheet is slidably connected to the resistance rod, an electric telescopic rod for controlling the position of the sliding sheet on the resistance rod is arranged on the side wall of the lifting plate, distance sensors for controlling the electric telescopic rod are arranged at two sides of the lower end of the lifting plate, and the electromagnetic spring is connected in series with a power supply device arranged inside the lifting plate through the resistance rod and the sliding sheet.
Compared with the prior art, the integrated assembled composite floor slab with the heat preservation and sound insulation structure has the advantages that:
1. according to the invention, when the temperature changes, the ventilation rate of the ventilation steel pipe is regulated through the characteristics of expansion caused by heat and contraction caused by heat of kerosene, so that the heat preservation effect is regulated through the change of the convection speed of air, namely, when the external temperature is higher, the convection speed in the hollow layer is increased, so that heat is transferred more quickly through convection, the heat preservation performance of the hollow layer and the heat preservation effect of the laminated floor slab are reduced, the aging or deformation of building materials caused by the too high heat preservation effect is avoided, the durability of a building structure is improved, and when the external temperature is lower, the heat preservation effect of the hollow layer and the heat preservation effect of the laminated floor slab can be enhanced through reducing the convection speed in the hollow layer, the indoor temperature is kept, the energy consumption for heating and refrigerating is increased, and the energy-saving effect is achieved.
2. According to the invention, the self-adaptive sound insulation assembly is arranged, when the external sound pressure condition changes, the sound pressure sensor can collect data in real time, sound wave energy is converted into an electric signal, and the electric field intensity at the periphery of the deformed sound absorption member is regulated, so that the sound insulation effect of the deformed sound absorption member is enhanced when the external noise level is high in daytime, the comfort level and the life quality of people are improved, and the sound insulation effect of the deformed sound absorption member is reduced when the external noise level is low at night, the sound in an indoor space is prevented from being too clunk, and meanwhile, the potential safety hazard is avoided.
3. According to the invention, the lifting assembly and the adjusting part are arranged, the connecting piece is lifted through the lifting hook at the bottom end of the traction rope during lifting, then the laminated floor slab is placed on the shear wall through the lifting vehicle body, before lifting, the hydraulic rod can be adjusted through the size of the laminated floor slab, so that the position of the lifting plate is adjusted, when the coverage area of the laminated floor slab is larger, the position of the lifting plate is higher, the rope guiding wheel rotates under the action of the gear and the rack, so that the traction ropes are more stretched out, the span at the two ends of the traction ropes is ensured to be increased along with the increase of the coverage area of the laminated floor slab, the problem that the span at the two ends of the traction ropes is smaller, the stability of a lifting object in the lifting process is insufficient is avoided, and the risk in the lifting process is reduced.
4. According to the invention, the balance state of the floor slab body can be monitored through the distance sensors arranged at the two ends of the lifting plate by arranging the lifting force balancing component, when the floor slab body is found to deviate to one side, the electric telescopic rod at the side can be controlled to be opened to drive the traction rope at the side to be discharged, so that the weight of the composite floor slab cannot be concentrated at one end of the traction rope, the two ends of the traction rope can always bear the composite floor slab, the bearing capacity and the service life of the traction rope are improved, and the safety performance in the lifting process is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a cross-sectional view of a floor slab body of the present invention;
fig. 4 is an enlarged view at B in fig. 3;
FIG. 5 is a schematic view of the floor slab body of the present invention in a bottom view;
fig. 6 is a schematic view of an exploded structure at a rotating rod in the present invention.
In the figure, 1, a floor body, 11, a connecting piece, 12, a hollow layer, 13, a ventilation steel pipe, 2, an adjusting component, 21, a rubber pipe, 22, an annular liquid storage chamber, 23, a heat conducting hose, 3, a self-adaptive sound insulation component, 31, a containing groove, 32, a deformation sound absorbing piece, 4, a hoisting component, 41, a hoisting car body, 42, a hydraulic cylinder, 43, a sliding rail, 44, a sliding block, 45, a supporting plate, 46, a hydraulic rod, 47, a hoisting plate, 48, a rotating rod, 49, a rope guiding wheel, 410, a traction rope, 411, a lifting hook, 5, an adjusting component, 51, a gear, 52, a rack, 6, a hoisting force balancing component, 61, a control disc, 62, an arc-shaped guide groove, 63, a guide block, 64, an electromagnetic spring, 65, a resistance rod, 66, a sliding sheet, 67, an electric telescopic rod, 68 and a distance sensor.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples:
Referring to fig. 1, 3 and 4, an integrated assembled composite floor slab with a heat-insulating and sound-insulating structure comprises a floor slab body 1, wherein a plurality of connecting pieces 11 distributed in a rectangular array are fixedly connected to the upper end of the floor slab body 1, a hollow layer 12 with heat-insulating and heat-insulating effects is arranged in the floor slab body 1, and ventilation steel pipes 13 communicated with the outside are embedded in the inner walls of two sides of the hollow layer 12;
Specifically, the inner wall of the hollow layer 12 is fixedly connected with a reinforcing net, and the hollow layer 12 is relatively stable due to the arrangement of the reinforcing net, and the hollow layer 12 can play a role in heat preservation due to the fact that air is a good heat insulation material and the heat conductivity coefficient of the air is relatively low.
The adjusting component 2 is used for adjusting the heat preservation and insulation effect of the hollow layer 12 according to the external temperature, the adjusting component 2 comprises a rubber tube 21 fixedly connected to the end part of the ventilation steel tube 13, the rubber tube 21 is located in the hollow layer 12, an annular liquid storage chamber 22 is fixedly connected to the inner wall of the rubber tube 21, kerosene with thermal expansion and contraction properties is filled in the annular liquid storage chamber 22, a heat conducting hose 23 in contact with the external is fixedly connected to the annular liquid storage chamber 22, and silicone oil with high heat conductivity coefficient is filled in the tube body of the heat conducting hose 23.
Specifically, the heat-conducting hose 23 is made of a metal flexible heat-conducting material (such as a metal fiber material) and extends into the annular liquid storage chamber 22, and after the temperature of the external air is transferred to the heat-conducting hose 23, the heat-conducting hose 23 and the inside of the tube body are filled with silicone oil with high heat conductivity coefficient, so that heat loss is low in the process of transferring the temperature into the annular liquid storage chamber 22 by the heat-conducting hose 23.
Specifically, the annular liquid storage chamber 22 is made of rubber, when kerosene in the annular liquid storage chamber 22 expands due to heating, the annular liquid storage chamber 22 expands to the periphery, after the kerosene in the annular liquid storage chamber 22 contracts due to cooling, the annular liquid storage chamber 22 contracts and resets under the elasticity of the rubber, an elastic element can be arranged in the annular liquid storage chamber 22 to assist the annular liquid storage chamber 22 to reset, and the kerosene in the annular liquid storage chamber 22 can be ensured to recover to the initial size after contracting.
Aiming at the problem that the heat preservation and insulation effect of the composite floor slab cannot be adjusted according to the external temperature environment in the prior art, the invention adjusts the ventilation rate of the ventilation steel pipe 13 by utilizing the characteristics of heat expansion and cold contraction of kerosene when the temperature changes by arranging the adjusting component 2, thereby adjusting the heat preservation effect through the change of the air convection speed, and the specific adjusting process is as follows:
When the external temperature is higher, the annular liquid storage chamber 22 is expanded and enlarged through expansion of kerosene, so that the rubber tube 21 is enlarged, the air flow passing through the rubber tube 21 in unit time is increased, the convection speed of air in the hollow layer 12 is increased, and heat is transferred more quickly through convection, so that the heat insulation performance of the hollow layer 12 and the heat insulation effect of the laminated floor slab are reduced, aging or deformation of building materials caused by the fact that the heat insulation effect is too high is avoided, and the durability of a building structure is improved;
When the external temperature is lower, the annular liquid storage chamber 22 is contracted under the action of the internal elastic element through contraction of kerosene, the rubber tube 21 is reduced, the air flow passing through the rubber tube 21 in unit time is reduced, the heat insulation effect of the hollow layer 12 and the heat preservation effect of the laminated floor slab can be enhanced by reducing the convection speed in the hollow layer 12, the indoor temperature is kept, the energy consumption of heating and refrigerating is reduced, and the energy-saving effect is achieved.
Referring to fig. 1 and 5, the invention further comprises a self-adaptive sound insulation component 3, which is used for self-adaptively adjusting the sound insulation effect according to the intensity of noise, wherein the self-adaptive sound insulation component 3 comprises a containing groove 31 which is arranged at the bottom end of the floor slab body 1, a deformation sound absorption piece 32 which is made of an electro-deformation material is fixedly connected at the central position inside the containing groove 31, and a control module for adjusting the surface area and the shape of the deformation sound absorption piece 32 is arranged inside the floor slab body 1.
Specifically, the control module includes a microcontroller disposed inside the floor body 1 and a plurality of sound pressure sensors distributed in an array, and the microcontroller adjusts the electric field intensity applied to the circumferential side of the deformation sound absorbing member 32 according to the plurality of sound pressure sensors.
Specifically, the sound pressure sensor is a sensor (such as a MEMS microphone sensor) capable of detecting a sound pressure level in real time, and has good frequency response characteristics, a microcontroller (such as Arduino, rasberry Pi, etc.) is used to connect the sound pressure sensor, collect data in real time, and adjust the electric field intensity at the periphery of the deformation sound absorbing member 32 in real time according to the collected sound pressure data, the deformation sound absorbing member 32 is made of an electro-deformation material, which is a polymer capable of changing its shape or size under the action of an electric field, so that the deformation sound absorbing member 32 can deform according to the applied electric field, adjust its surface area and shape, and change the propagation path and sound absorbing performance of sound waves.
Aiming at the problem that the sound insulation effect cannot be adjusted according to the external sound pressure condition in the prior art, the self-adaptive sound insulation assembly 3 is arranged, when the external sound pressure condition changes, the sound pressure sensor can acquire data in real time, sound wave energy is converted into an electric signal, and the electric field intensity at the periphery of the deformed sound absorption piece 32 is adjusted, wherein the specific adjusting process is as follows:
when the external noise level is high in the daytime, the current is automatically enhanced, so that the deformation degree of the deformed sound absorbing piece 32 is increased, the surface area and the shape of the deformed sound absorbing piece are adjusted, the propagation path and the sound absorbing performance of sound waves are changed, the sound insulating effect of the deformed sound absorbing piece is enhanced, and the comfort level and the life quality of people are improved;
And when the external noise level is lower at night, the sound insulation effect of the deformation sound absorbing piece 32 is reduced, the sound in the indoor space is prevented from being too clunk, and meanwhile, the potential safety hazard is avoided.
Referring to fig. 1,2 and 6, the floor slab is assembled using a lifting device comprising:
The lifting assembly 4 is used for assembling the floor body 1, the lifting assembly 4 comprises a lifting car body 41 arranged on one side of the floor body 1, the upper end of the lifting car body 41 is fixedly connected with a hydraulic cylinder 42, the top output end of the hydraulic cylinder 42 is fixedly connected with a sliding rail 43, the sliding rail 43 is internally and slidably connected with a sliding block 44 and an electric push rod for driving the sliding block 44 are not marked in the drawing, the bottom of the sliding block 44 is fixedly connected with a supporting plate 45, the bottom end of the supporting plate 45 is fixedly connected with a hydraulic rod 46, the telescopic end of the hydraulic rod 46 is fixedly connected with a lifting plate 47, two sides of the bottom of the lifting plate 47 are respectively and rotatably connected with a rotating rod 48, each rotating rod 48 is respectively provided with a rope guiding wheel 49, a plurality of traction ropes 410 are respectively and respectively arranged at the bottom end of each traction rope 410 and a lifting hook 411 matched with a connecting piece 11, each rotating rod 48 is respectively provided with an adjusting part 5, the span and the span angle between each rotating rod 48 is used for adjusting the traction ropes 410 and the floor body 1 so as to improve the stability in the lifting process, a lifting force balancing part 6 is respectively arranged between each rotating rod 48 and the rope guiding wheels 49, and the lifting rope wheel 49 is used for balancing the weight of the floor body 1, and one end of the traction rope 410 is concentrated on one end of the traction rope 410.
Specifically, the adjusting part 5 includes a gear 51 fixedly coupled to an end of the rotating lever 48, and a rack 52 engaged with the gear 51 is fixedly coupled to a bottom end of the supporting plate 45 in a vertical direction.
In order to improve the stability of the floor slab body 1 in the assembly process, the lifting assembly 4 and the adjusting part 5 are arranged, the connecting piece 11 is lifted through the lifting hook 411 at the bottom end of the traction rope 410 during lifting, then the composite floor slab is placed on the shear wall through the lifting vehicle body 41, before lifting, the position of the lifting plate 47 can be adjusted through the size adjusting hydraulic rod 46 of the composite floor slab, when the coverage area of the composite floor slab is larger, the position of the lifting plate 47 is higher, the rope guiding wheel 49 rotates under the action of the gear 51 and the rack 52, so that the traction rope 410 is more released and stretched out, the span at the two ends of the traction rope 410 is ensured to be increased along with the increase of the coverage area of the composite floor slab, the problem that the span at the two ends of the traction rope 410 is smaller, the stability of a lifting object in the lifting process is insufficient, and the risk in the lifting process is reduced;
Meanwhile, the lifting of the positions of the hanging plates 47 ensures that the heights of the traction ropes 410 at the two ends are increased in the length increasing process, so that the span angle between the traction ropes 410 at the two ends is not too large, the span angle of the traction ropes 410 is ensured to be in a proper position, the tension of the traction ropes 410 is prevented from being increased due to the too large span angle, the traction ropes 410 are prevented from being broken, and the stability in the hoisting process is further improved.
The hoisting force balancing component 6 comprises a control disc 61 fixedly connected to the rotating rod 48, an arc-shaped guide groove 62 is fixedly connected to one side wall of the control disc 61, which is close to the rope guiding wheel 49, a guide block 63 is fixedly connected to the side wall of the rope guiding wheel 49, the guide block 63 is slidably connected to the inner wall of the arc-shaped guide groove 62, an electromagnetic spring 64 is arranged between the guide block 63 and the inner wall of the arc-shaped guide groove 62, and a slide rheostat for controlling the compression degree of the electromagnetic spring 64 is arranged on the side wall of the hoisting plate 47.
Specifically, the slide rheostat includes the resistance rod 65 of fixed connection on the hoist and mount board 47 lateral wall, and sliding connection has gleitbretter 66 on the resistance rod 65, is equipped with the electric telescopic handle 67 that is used for controlling gleitbretter 66 in the position on resistance rod 65 on the lateral wall of hoist and mount board 47, and hoist and mount board 47 lower extreme both sides position all is equipped with the distance sensor 68 that is used for controlling electric telescopic handle 67, and electromagnetic spring 64 establishes ties through resistance rod 65, gleitbretter 66 and the inside power supply unit that sets up of hoist and mount board 47.
Specifically, the distance sensor 68 can monitor the positions of the two sides of the floor from the hanging plate 47 in real time, so as to monitor the inclination state of the floor, and send the inclination state of the floor to the microcontroller through an electric signal, and the microcontroller controls the opening and closing of the electric telescopic rods 67 at the two sides, so that the release of the traction rope 410 is realized.
In order to avoid shaking of the composite floor slab due to wind force and other factors in the assembly process, the weight is concentrated on one traction rope 410, the invention can monitor the balance state of the floor slab body 1 through the distance sensor 68 arranged at two ends of the hoisting plate 47 by arranging the hoisting force balancing component 6, when the floor slab body 1 is found to deviate to one side, the electric telescopic rod 67 at the side can be controlled to be opened, thereby adjusting the position of the sliding vane 66 on the resistance rod 65, adjusting the electric field intensity of the side electromagnetic spring 64 at the side, so that the compression degree of the side electromagnetic spring 64 is increased, thereby enabling the guide block 63 at the side to slide in the arc-shaped guide groove 62, enabling the rope guiding wheel 49 at the side to rotate relative to the rotating rod 48, and driving the traction rope 410 at the side to be released, thereby enabling the weight of the composite floor slab to be not concentrated at one end of the traction rope 410, enabling the two ends of the traction rope 410 to bear the composite floor slab all the time, improving the bearing capacity and service life of the traction rope 410, and guaranteeing the safety performance in the hoisting process.
The invention can explain its functional principle by the following modes of operation:
In the use process of the composite floor slab, when the temperature changes, the ventilation rate of the ventilation steel pipe 13 is regulated by the characteristics of heat expansion and cold contraction of kerosene, so that the heat preservation effect is regulated by the change of the convection speed of air, when the external temperature is higher, the annular liquid storage chamber 22 is expanded and enlarged by the expansion of the kerosene, so that the rubber pipe 21 is enlarged, the convection speed in the hollow layer 12 is increased, heat is transferred more quickly by convection, the heat preservation performance of the hollow layer 12 and the heat preservation effect of the composite floor slab are reduced, when the external temperature is lower, the annular liquid storage chamber 22 is contracted under the action of the internal elastic element by the contraction of the kerosene, the heat preservation effect of the hollow layer 12 and the heat preservation effect of the composite floor slab can be enhanced by reducing the convection speed in the hollow layer 12, the indoor temperature is maintained, the energy consumption of heating and refrigerating is reduced, and the energy-saving effect is achieved;
When the external sound pressure condition changes, the sound pressure sensor can collect data in real time, convert sound wave energy into an electric signal, adjust the electric field intensity at the periphery of the deformation sound absorbing piece 32, automatically strengthen current when the external noise level is higher in daytime, increase the deformation degree of the deformation sound absorbing piece 32, adjust the surface area and shape of the deformation sound absorbing piece, change the propagation path and the sound absorbing performance of sound waves, strengthen the sound insulating effect of the deformation sound absorbing piece, reduce the sound insulating effect of the deformation sound absorbing piece 32 when the external noise level is lower at night, and avoid the sound in indoor space from being excessively clunky;
in the assembling process of the composite floor slab, the connecting piece 11 is lifted through the lifting hook 411 at the bottom end of the traction rope 410, then the composite floor slab is placed on the shear wall through the lifting car body 41, before lifting, the position of the lifting plate 47 is adjusted through the hydraulic rod 46, when the coverage area of the composite floor slab is larger, the position of the lifting plate 47 is higher, the rope guiding wheel 49 rotates under the action of the gear 51 and the rack 52, the traction rope 410 stretches out more, the span at two ends of the traction rope 410 is ensured to be increased along with the increase of the coverage area of the composite floor slab, and meanwhile, the height of one end, connected with the rope guiding wheel 49 below the lifting plate 47, of the traction rope 410 is increased, so that the span and the span angle between the traction ropes 410 at two ends are in a proper state, and the stability in the lifting process is improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
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| CN202411453847.5A CN119332866B (en) | 2024-10-17 | 2024-10-17 | Heat-insulating and sound-insulating structure integrated assembled composite floor slab |
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| CN202411453847.5A CN119332866B (en) | 2024-10-17 | 2024-10-17 | Heat-insulating and sound-insulating structure integrated assembled composite floor slab |
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| CN119332866B true CN119332866B (en) | 2025-03-18 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676725A (en) * | 2019-09-17 | 2020-01-10 | 张喜军 | Be applied to building site's convenient portable interim block terminal |
| CN112020388A (en) * | 2018-02-26 | 2020-12-01 | 瑟莫特拉有限公司 | Cooling, heating and stabilizing humidity using humidity fluctuations |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000039163A (en) * | 1998-07-21 | 2000-02-08 | Tokyo Landscape Kenkyusho:Kk | Cooling and heating structure having water permeable concrete surface layer |
| AU2013325119A1 (en) * | 2012-09-27 | 2015-04-16 | Euretech International Pty Ltd | Heated flooring |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020388A (en) * | 2018-02-26 | 2020-12-01 | 瑟莫特拉有限公司 | Cooling, heating and stabilizing humidity using humidity fluctuations |
| CN110676725A (en) * | 2019-09-17 | 2020-01-10 | 张喜军 | Be applied to building site's convenient portable interim block terminal |
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