Concrete temperature control anti-cracking construction device
By designing a concrete temperature-controlled anti-cracking construction device and using a closed cover and a fan to heat the airflow, the problem of concrete cracks caused by temperature changes was solved, the problem of cracks caused by temperature changes was prevented, and the safety of the engineering structure and the construction progress were improved.
Patent Information
- Application Number
- CN202422842978.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-21
AI Technical Summary
After demolding, concrete is susceptible to cracks caused by changes in ambient temperature, which affects the safety and durability of the engineering structure.
A concrete temperature control and crack prevention construction device was designed. The concrete surface was covered with a closed cover, the air flow was driven by a fan and heated by a heater, and the air flow direction and temperature were controlled by a temperature detector to achieve cold and heat protection effects.
Effectively prevent concrete from cracking due to temperature changes, improve the safety and durability of engineering structures, reduce leakage risks, and improve construction progress and aesthetics.
Smart Images
Figure CN223374129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water conservancy engineering equipment, in particular to a concrete temperature control and crack prevention construction device. Background Art
[0002] Concrete is a general term for engineering composite materials that are made by cementing aggregates into a whole. The term concrete usually refers to cement as the cementing material, sand and stone as aggregates, and water with admixtures and additives in a certain proportion. The cement concrete obtained by mixing is also called ordinary concrete. It is widely used in the gate chambers, gate piers, gate rooms, dam bodies and other places of water conservancy dams.
[0003] After the formwork is removed, the surface temperature of the concrete drops, and the resulting temperature drop will cause cracks. The existence of harmful cracks will seriously affect the safety of the project structure, the construction progress and period, cause leakage or even penetration damage, durability and life, project cost and aesthetics, and may also induce the occurrence and development of other diseases. For this reason, we propose a concrete temperature control and crack prevention construction device. Utility Model Content
[0004] In view of the deficiency in the prior art that concrete is easily cracked due to changes in ambient temperature after demolding, the utility model provides a concrete temperature control and crack prevention construction device, which has the advantages of heat resistance and cold resistance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete temperature control and crack prevention construction device, comprising a fixing rod, the top of the fixing rod is fixedly connected to a mounting plate, the outside of the mounting plate is fixedly connected to a fixing ring, the inside of the fixing ring is rotatably connected to a rotating shaft, the outside of the rotating shaft is fixedly connected to a closing cover, a fan is installed on the outside of the closing cover, a pipe is provided at the tail of the fan, a nozzle is installed on the outside of the pipe, and a temperature detector is installed on the top of the closing cover.
[0006] Preferably, the outside of the closing cover is fixedly connected to a fan rack, the fan is fixed inside the fan rack, and a heater is installed outside the pipeline.
[0007] Preferably, a mounting groove is provided on the back of the closing cover, the pipe is fixed inside the mounting groove, and a reinforcement rod is fixedly connected to the outside of the mounting groove.
[0008] Preferably, the outside of the fixed rod is fixedly connected to a fixed shell, the inside of the fixed shell is installed with a drive motor, the output end of the drive motor is fixedly connected to a worm, the outside of the rotating shaft is fixedly connected to a worm wheel, and the worm is meshingly connected to the worm wheel.
[0009] Preferably, two fixing rods are provided that are symmetrical with respect to the closing cover, and two fixing shells are provided that correspond to the fixing rods. A penetrating mounting hole is provided inside the fixing rod, and a fixing bolt is provided inside the mounting hole. The device can be fixed by fixing the fixing rod to the outside of the concrete.
[0010] Preferably, the length of the pipeline is greater than the length of the closing cover, and a plurality of nozzles are provided, which are evenly distributed, and the flowing air flow can be sprayed out through the nozzles.
[0011] Preferably, the height of the reinforcement rod is smaller than the height of the mounting slot, and the reinforcement rod is fixedly connected to the fixing rod. The provision of the reinforcement rod can improve the stability of the device.
[0012] Beneficial effects:
[0013] 1. The concrete temperature control and crack prevention construction device covers the concrete surface with a closed cover to form a protective layer to play a cold-proof effect. A motor is used to drive the closed cover to rotate away from the concrete, and a fan is used to drive the air flow to play a heat-proof role.
[0014] 2. The concrete temperature control and crack prevention construction device heats the passing airflow through a heater and cooperates with a closed cover to achieve cold protection for the concrete. At the same time, the closed cover maintains heat accumulation and promotes the progress of cold protection operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a rear view structural diagram of the utility model;
[0017] Figure 3 This is a schematic diagram of the new structure of the practical closing cover.
[0018] In the figure: 1. Fixing rod; 2. Mounting plate; 3. Fixing ring; 4. Rotating shaft; 5. Closing cover; 6. Fan; 7. Pipeline; 8. Nozzle; 9. Temperature detector; 10. Fan frame; 11. Heater; 12. Mounting trough; 13. Reinforcement rod; 14. Fixing housing; 15. Worm; 16. Worm gear. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example 1
[0021] See also Figure 1-3 A concrete temperature control and crack prevention construction device includes a fixing rod 1, the top of the fixing rod 1 is fixedly connected to a mounting plate 2, the outside of the mounting plate 2 is fixedly connected to a fixing ring 3, the inside of the fixing ring 3 is rotatably connected to a rotating shaft 4, the outside of the rotating shaft 4 is fixedly connected to a closing cover 5, a fan 6 is installed on the outside of the closing cover 5, a pipe 7 is provided at the tail of the fan 6, a nozzle 8 is installed on the outside of the pipe 7, and a temperature detector 9 is installed on the top of the closing cover 5.
[0022] Among them, the outside of the fixed rod 1 is fixedly connected to the fixed shell 14, the inside of the fixed shell 14 is installed with a drive motor, the output end of the drive motor is fixedly connected to the worm 15, the outside of the rotating shaft 4 is fixedly connected to the worm wheel 16, and the worm 15 is meshed with the worm wheel 16.
[0023] Among them, two fixing rods 1 are provided symmetrically with respect to the closing cover 5, and two fixing shells 14 are provided corresponding to the fixing rods 1. A penetrating mounting hole is opened inside the fixing rod 1, and a fixing bolt is provided inside the mounting hole. The device can be fixed by fixing the fixing rod 1 to the outside of the concrete.
[0024] The length of the pipeline 7 is greater than the length of the closing cover 5 , and a plurality of nozzles 8 are provided and evenly distributed, and the flowing air flow can be sprayed out through the nozzles 8 .
[0025] The height of the reinforcing rod 13 is smaller than the height of the mounting slot 12 , and the reinforcing rod 13 is fixedly connected to the fixing rod 1 . The arrangement of the reinforcing rod 13 can improve the stability of the device.
[0026] Working principle: When the concrete temperature control and crack prevention construction device is in use, the fixing rod 1 can be fixed to the outside of the concrete structure of the water conservancy dam body, so that the closing cover 5 covers the concrete surface to form a protective layer to play a cold-proof effect. At the same time, when the temperature detector 9 detects that the external temperature is too high, the motor can be controlled to drive the worm 15 to rotate, the worm 15 drives the worm gear 16 to rotate, the worm gear 16 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the closing cover 5 to rotate, so that the bottom structure of the closing cover 5 moves away from the concrete, increasing the heat dissipation area of the concrete surface, and using the fan 3 to drive the air flow, which is transported to the nozzle 8 through the pipe 7 and sprayed onto the concrete surface, promoting air flow, driving heat dissipation, and playing a heat-proof role.
[0027] Example 2
[0028] See also Figure 1-3On the basis of the first embodiment, a mounting groove 12 is provided on the back of the closing cover 5, the pipe 7 is fixed inside the mounting groove 12, the outside of the mounting groove 12 is fixedly connected with a reinforcing rod 13, the outside of the closing cover 5 is fixedly connected with a fan rack 10, the fan 6 is fixed inside the fan rack 10, and a heater 11 is installed on the outside of the pipe 7.
[0029] Working principle: When the concrete temperature control and crack prevention construction device is in use, the airflow passing through can be heated by the heater 11, and the closed cover 5 can be used to achieve the cold protection effect on the concrete. At the same time, the closed cover 5 can play a heat preservation role, so that heat accumulates inside the closed cover 5, promoting the cold protection operation.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A concrete temperature control and crack prevention construction device, comprising a fixing rod (1), characterized in that: The top of the fixing rod (1) is fixedly connected to a mounting plate (2), the outside of the mounting plate (2) is fixedly connected to a fixing ring (3), the inside of the fixing ring (3) is rotatably connected to a rotating shaft (4), the outside of the rotating shaft (4) is fixedly connected to a closing cover (5), a fan (6) is installed on the outside of the closing cover (5), a pipe (7) is provided at the tail of the fan (6), a nozzle (8) is installed on the outside of the pipe (7), and a temperature detector (9) is installed on the top of the closing cover (5).
2. A concrete temperature control and crack prevention construction device according to claim 1, characterized in that: The outside of the closing cover (5) is fixedly connected to a fan frame (10), the fan (6) is fixed inside the fan frame (10), and a heater (11) is installed outside the pipe (7).
3. The concrete temperature control and crack prevention construction device according to claim 1, characterized in that: The back of the closing cover (5) is provided with a mounting groove (12), the pipe (7) is fixed inside the mounting groove (12), and the outside of the mounting groove (12) is fixedly connected with a reinforcement rod (13).
4. A concrete temperature control and crack prevention construction device according to claim 1, characterized in that: The exterior of the fixed rod (1) is fixedly connected to a fixed housing (14), a driving motor is installed inside the fixed housing (14), an output end of the driving motor is fixedly connected to a worm (15), the exterior of the rotating shaft (4) is fixedly connected to a worm wheel (16), and the worm (15) is meshedly connected to the worm wheel (16).
5. A concrete temperature control and crack prevention construction device according to claim 4, characterized in that: The fixing rods (1) are provided with two symmetrical ones about the closing cover (5), and the fixing housing (14) is provided with two corresponding ones of the fixing rods (1). A through mounting hole is provided inside the fixing rod (1), and a fixing bolt is provided inside the mounting hole.
6. The concrete temperature control and crack prevention construction device according to claim 1, characterized in that: The length of the pipeline (7) is greater than the length of the closing cover (5), and a plurality of spray heads (8) are provided and evenly distributed.
7. The concrete temperature control and crack prevention construction device according to claim 3, characterized in that: The height of the reinforcing rod (13) is smaller than the height of the installation slot (12), and the reinforcing rod (13) is fixedly connected to the fixing rod (1).