Concrete construction protection device in low-temperature environment
By using concrete construction protection devices in a low temperature environment, using supporting steel frames and insulation sheds for insulation, and heating them through sodium halogen lamps, the shrinkage deformation and dehydration problems of concrete due to low temperature are solved, and the effect of shortening solidification time and improving construction efficiency is achieved.
Patent Information
- Application Number
- CN202421430998.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-06-21
AI Technical Summary
In low temperature environments, concrete is prone to shrinkage, deformation and dehydration due to temperature differences. The use of antifreeze in the prior art has disadvantages that are harmful to the human body and the environment, and will reduce the strength of the concrete and increase the solidification time.
A concrete construction protection device under low temperature environment was designed. By setting up a supporting steel frame, a top insulation shed, a side insulation shed and a sodium halogen lamp, the insulation shed and heat the concrete, and avoiding the use of antifreeze.
Effectively prevent concrete from shrinking and cracking caused by low temperatures, improve construction efficiency, shorten the solidification time of concrete, and reduce or avoid the use of harmful antifreeze.
Smart Images

Figure CN222976447U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of concrete protection, and relates to a concrete construction protection device under low temperature environment. Background Technique
[0002] In building construction, concrete generally needs to be cured after pouring. If the curing is not carried out in time, the water in the concrete will evaporate too fast, resulting in dehydration. This will cause the cement particles that have formed a gel body to not be fully hydrated and cannot be transformed into stable crystals, lacking sufficient bonding force, reducing the safety and stability of the building; and the surface of the concrete will appear flaky or powdery peeling, affecting its aesthetics; at the same time, when the construction time is in the low temperature environment in winter, the concrete is prone to shrinkage deformation due to the large day-night temperature difference, and situations such as dry shrinkage cracking will occur.
[0003] In the prior art, antifreeze is generally added to improve the antifreeze ability of concrete. However, the antifreeze has the following disadvantages: on the one hand, in order to save costs, construction units usually use cheap antifreeze, and such antifreeze usually contains substances harmful to the human body and the environment, such as ammonia and nitrite, which affect the health of construction workers; on the other hand, the antifreeze will reduce the concrete strength and increase the concrete setting time, which is not conducive to construction. Summary of the Invention
[0004] In order to achieve the above object, the utility model provides a concrete construction protection device under low temperature environment, which insulates and heats the concrete to avoid various disadvantages caused by the use of antifreeze, and at the same time shortens the setting time of the concrete and speeds up the construction process.
[0005] To solve the above technical problems, the technical solution adopted by the utility model is a concrete construction protection device under low temperature environment, including concrete, and a protection component is arranged outside the concrete; the protection component includes a support steel frame, a top insulation shed is arranged at the top of the support steel frame, and a side insulation shed is arranged on the side of the top insulation shed, an inclined support plate is arranged at the bottom of the top insulation shed, a bottom connecting plate is arranged at the bottom of the support steel frame, and a first universal wheel is arranged at the bottom of the bottom connecting plate, and a positioning component is arranged in the middle of the bottom connecting plate.
[0006] Further, the positioning component includes a limiting frame, an installation frame is inserted into the limiting frame, a lead screw is arranged at the top of the installation frame, a rotating handle is arranged at the top of the lead screw, a jacking rod is arranged outside the lead screw, a support bottom plate is arranged at the bottom of the jacking rod, and a ground nail is arranged at the bottom of the support bottom plate.
[0007] Furthermore, the supporting steel frame is arranged outside the concrete, and the supporting steel frame is fixedly connected to the inclined support plate; the inclined support plate is located above the concrete, and the inclined support plate is arranged at an inclined angle between the supporting steel frame and the top heat preservation shed, and one end of the inclined support plate far away from the supporting steel frame is fixedly connected to the top heat preservation shed.
[0008] Furthermore, the top heat preservation shed is fixedly connected to the side heat preservation sheds, and there are two side heat preservation sheds, which are symmetrically distributed on both sides of the top heat preservation shed respectively. The side of the side heat preservation shed is in contact with the side wall of the supporting steel frame. Fixing bolts are arranged on the top of the side heat preservation shed, and the side heat preservation shed is connected to the supporting steel frame through the fixing bolts.
[0009] Furthermore, halogen sodium lamps are installed at one end of the inclined support plate far away from the supporting steel frame, and there are multiple halogen sodium lamps, which are evenly distributed inside the top heat preservation shed respectively. The halogen sodium lamps are located above the concrete; the bottom of the supporting steel frame is fixedly connected to the bottom connecting plate, and both ends of the bottom of the bottom connecting plate are fixedly connected to the first universal wheels respectively. A second universal wheel is installed in the middle of the bottom of the bottom connecting plate, and the bottoms of the first universal wheel and the second universal wheel are horizontally arranged.
[0010] Furthermore, the limiting frame is fixedly connected to the bottom connecting plate and the bottom of the limiting frame penetrates through the bottom connecting plate, and the limiting frame is fixedly connected to the installation frame; the installation frame is rotatably connected to the lead screw, and the top of the lead screw penetrates through the installation frame, and the top of the lead screw is fixedly connected to the rotating handle.
[0011] Furthermore, the lead screw and the ejecting rod are sleeved together, and the lead screw and the ejecting rod are in threaded transmission connection; the bottom end of the ejecting rod penetrates through the bottom of the installation frame, and the ejecting rod is slidably connected to the installation frame. The bottom of the ejecting rod is fixedly connected to the supporting bottom plate, and the supporting bottom plate is located below the bottom connecting plate. The supporting bottom plate is fixedly connected to the ground nail.
[0012] Furthermore, limiting connecting plates are fixedly connected to the top end of the ejecting rod, and there are two limiting connecting plates, which are symmetrically distributed on both sides of the top of the ejecting rod respectively; sliders are fixedly connected to one end of the limiting connecting plate far away from the ejecting rod, and the side of the limiting connecting plate is in contact with the inner wall of the installation frame; sliding grooves are formed on the inner wall of the installation frame, and the sliders are slidably connected inside the sliding grooves.
[0013] The beneficial effects of the utility model are:
[0014] 1. The utility model realizes the support for the top heat preservation shed and the side heat preservation shed through the arranged support steel frame, so that the top heat preservation shed and the side heat preservation shed are sleeved outside the concrete, thereby realizing the isolation between the concrete and the external air, increasing the temperature inside the top heat preservation shed, and realizing the heating inside the top heat preservation shed and the side heat preservation shed through the arranged halogen sodium lamp, effectively controlling the temperature inside, preventing the concrete from shrinking and cracking due to being in a low-temperature state for a long time, and affecting the quality of the concrete.
[0015] 2. The ejector rod arranged in the utility model moves along the lead screw, so that the ejector rod drives the support bottom plate and the ground nail to realize the stable support for the support steel frame, preventing the support steel frame from moving along with the first universal wheel and the second universal wheel at the bottom during use and affecting the heat preservation effect on the concrete.
[0016] 3. The utility model is applicable to the concrete construction in outdoor open spaces, reducing or avoiding the use of antifreeze, and at the same time being able to shorten the setting time of the concrete to speed up the construction process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is the first perspective structural schematic diagram of the concrete construction protection device in the embodiment of the present utility model.
[0019] Figure 2 It is the second perspective structural schematic diagram of the concrete construction protection device in the embodiment of the present utility model.
[0020] Figure 3 It is Figure 2 The enlarged view of part A in
[0021] Figure 4 It is the structural schematic diagram of the positioning component in the embodiment of the present utility model.
[0022] Figure 5 It is Figure 4 The enlarged view of part B in
[0023] In the figure, 1. concrete, 2. protection component, 3. support steel frame, 4. inclined support plate, 5. top insulation shed, 6. side insulation shed, 7. fixing bolt, 8. halogen sodium lamp, 9. bottom connecting plate, 10. first universal wheel, 11. second universal wheel, 12. positioning component, 13. limiting frame, 14. installation frame, 15. lead screw, 16. rotating handle, 17. ejector rod, 18. support bottom plate, 19. ground nail, 20. limiting connecting plate, 21. slider, 22. chute. Detailed implementation mode
[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0025] As Figures 1 to 5 shown, the present invention provides a concrete construction protection device in a low-temperature environment, including a protection component 2, and the concrete 1 is located inside the protection component 2; please refer to Figures 1 to 3 shown, the protection component 2 includes a support steel frame 3, a top insulation shed 5 is arranged at the top of the support steel frame 3, a side insulation shed 6 is arranged on the side of the top insulation shed 5, an inclined support plate 4 is arranged at the bottom of the top insulation shed 5, a bottom connecting plate 9 is arranged at the bottom of the support steel frame 3, a first universal wheel 10 is arranged at the bottom of the bottom connecting plate 9, and a positioning component 12 is arranged in the middle of the bottom connecting plate 9.
[0026] Specifically, the support steel frame 3 is arranged outside the concrete 1, and the support steel frame 3 is fixedly connected to the inclined support plate 4; the inclined support plate 4 is located above the concrete 1, and the inclined support plate 4 is arranged at an inclined angle between the support steel frame 3 and the top insulation shed 5, and the end of the inclined support plate 4 far from the support steel frame 3 is fixedly connected to the top insulation shed 5; the top insulation shed 5 is fixedly connected to the side insulation shed 6, and there are two side insulation sheds 6, which are symmetrically distributed on both sides of the top insulation shed 5 respectively; the side of the side insulation shed 6 is in contact with the side wall of the support steel frame 3, and a fixing bolt 7 is arranged on the top of the side insulation shed 6, and the side insulation shed 6 is connected to the support steel frame 3 through the fixing bolt 7; a halogen sodium lamp 8 is installed at the end of the inclined support plate 4 far from the support steel frame 3, and there are multiple halogen sodium lamps 8, which are evenly distributed inside the top insulation shed 5 respectively, and the halogen sodium lamp 8 is located above the concrete 1; the bottom of the support steel frame 3 is fixedly connected to the bottom connecting plate 9, and both ends of the bottom of the bottom connecting plate 9 are fixedly connected to the first universal wheel 10, and a second universal wheel 11 is fixedly installed in the middle of the bottom of the bottom connecting plate 9, and the bottoms of the first universal wheel 10 and the second universal wheel 11 are horizontally arranged. The support steel frame 3 supports the top insulation shed 5 and the side insulation shed 6, so that the top insulation shed 5 and the side insulation shed 6 are sleeved outside the concrete 1, preventing a large amount of external cold air from entering, thereby realizing the heat preservation function of the concrete 1 and preventing the concrete from cracking, peeling and other phenomena caused by the influence of the external low temperature; at the same time, the halogen sodium lamp 8 heats the inside of the top insulation shed 5 and the side insulation shed 6, effectively increasing the temperature inside it to accelerate the setting time of the concrete and shorten the construction process.
[0027] As Figures 1 to 2 , Figures 4 to 5 shown, the positioning assembly 12 includes a limiting frame 13, an installation frame 14 is inserted inside the limiting frame 13, a lead screw 15 is arranged at the top of the installation frame 14, a rotating handle 16 is arranged at the top of the lead screw 15, a ejector rod 17 is arranged outside the lead screw 15, a support bottom plate 18 is arranged at the bottom of the ejector rod 17, and a ground nail 19 is arranged at the bottom of the support bottom plate 18.
[0028] Specifically, the limiting frame 13 is located between the first universal wheel 10 and the second universal wheel 11. The limiting frame 13 is fixedly connected to the bottom connecting plate 9, and the bottom of the limiting frame 13 penetrates through the bottom connecting plate 9. The limiting frame 13 is fixedly connected to the mounting frame 14. The mounting frame 14 is rotatably connected to the lead screw 15, and the top end of the lead screw 15 penetrates through the mounting frame 14. The top end of the lead screw 15 is fixedly connected to the rotating handle 16. The lead screw 15 and the ejector rod 17 are sleeved together, and the lead screw 15 and the ejector rod 17 are connected by threads. The bottom end of the ejector rod 17 penetrates through the bottom of the mounting frame 14, and the ejector rod 17 is slidably connected to the mounting frame 14. The bottom of the ejector rod 17 is fixedly connected to the support bottom plate 18, and the support bottom plate 18 is located below the bottom connecting plate 9. The support bottom plate 18 is fixedly connected to the ground nail 19. The top end of the ejector rod 17 is fixedly connected with a limiting connecting plate 20, and there are two limiting connecting plates 20, which are symmetrically distributed on both sides of the top of the ejector rod 17 respectively. One end of the limiting connecting plate 20 away from the ejector rod 17 is fixedly connected with a slider 21, and the side surface of the limiting connecting plate 20 is in contact with the inner wall of the mounting frame 14. A chute 22 is opened on the inner wall of the mounting frame 14, and the slider 21 is slidably connected inside the chute 22. The ejector rod 17 moves downward as the lead screw 15 rotates, so that the ejector rod 17 drives the support bottom plate 18 and the ground nail 19 to "grip" the bottom surface, so as to realize the stable support of the whole device and prevent the device from moving along with the first universal wheel 10 and the second universal wheel 11 at the bottom during use, thereby affecting the heat preservation effect of the concrete.
[0029] The using process of the utility model is as follows:
[0030] First, install the side heat preservation shed 6 to the outside of the support steel frame 3 through the fixing bolts 7, then fix the top heat preservation shed 5 and the side heat preservation shed 6, and at the same time make the bottom of the top heat preservation shed 5 contact with the inclined support plate 4, so as to improve the use stability of the top heat preservation shed 5. Then install the halogen sodium lamp 8 in the middle of the end of the inclined support plate 4 away from the support steel frame 3. Push the support steel frame 3 to move the support steel frame 3 along the first universal wheel 10 and the second universal wheel 11 at the bottom to the required position and stop moving. Then rotate the rotating handle 16 at the top of the mounting frame 14 to drive the lead screw 15 to rotate, so that the ejector rod 17 descends along the lead screw 15. The support bottom plate 18 and the ground nail 19 at the bottom of the ejector rod 17 contact the ground, and the ground nail 19 is inserted into the ground, thereby increasing the stability of the whole device. By the operation of the halogen sodium lamp 8, the temperature inside the device is increased, and the solidification of the concrete is accelerated.
[0031] Each embodiment in this specification is described in a related manner. The same or similar parts among the embodiments can be referred to each other, and the differences between each embodiment and other embodiments are emphasized.
[0032] The above are only the preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model are all included within the protection scope of the present utility model.
Claims
1. A concrete construction protection device in a low temperature environment, comprising concrete (1), characterized in that: A protection component (2) is arranged outside the concrete (1); the protection component (2) comprises a supporting steel frame (3); a top heat preservation shed (5) is arranged on the top of the supporting steel frame (3); a side heat preservation shed (6) is arranged on the side of the top heat preservation shed (5); an inclined support plate (4) is arranged at the bottom of the top heat preservation shed (5); a bottom connecting plate (9) is arranged at the bottom of the supporting steel frame (3); a first universal wheel (10) is arranged at the bottom of the bottom connecting plate (9); and a positioning component (12) is arranged in the middle of the bottom connecting plate (9).
2. The concrete construction protection device in a low temperature environment according to claim 1, characterized in that: The positioning assembly (12) comprises a limit frame (13), a mounting frame (14) is inserted into the interior of the limit frame (13), a lead screw (15) is arranged at the top of the mounting frame (14), a rotating handle (16) is arranged at the top of the lead screw (15), an ejector rod (17) is arranged outside the lead screw (15), a supporting base plate (18) is arranged at the bottom of the ejector rod (17), and a ground nail (19) is arranged at the bottom of the supporting base plate (18).
3. The concrete construction protection device in a low temperature environment according to claim 1, characterized in that: The support steel frame (3) is arranged outside the concrete (1), and the support steel frame (3) is fixedly connected to the inclined support plate (4); the inclined support plate (4) is located above the concrete (1), and the inclined support plate (4) is arranged at an inclined angle between the support steel frame (3) and the top insulation shed (5), and the end of the inclined support plate (4) away from the support steel frame (3) is fixedly connected to the top insulation shed (5).
4. The concrete construction protection device in a low temperature environment according to claim 3, characterized in that: The top insulation shed (5) is fixedly connected to the side insulation shed (6), and there are two side insulation sheds (6), which are symmetrically distributed on both sides of the top insulation shed (5), and the side surfaces of the side insulation sheds (6) are in contact with the side walls of the supporting steel frame (3). The tops of the side insulation sheds (6) are provided with fixing bolts (7), and the side insulation sheds (6) are connected to the supporting steel frame (3) via the fixing bolts (7).
5. The concrete construction protection device in low temperature environment according to claim 3, characterized in that: A halogen sodium lamp (8) is installed at one end of the inclined support plate (4) away from the supporting steel frame (3), and there are a plurality of halogen sodium lamps (8) which are evenly distributed inside the top heat preservation shed (5), and the halogen sodium lamps (8) are located above the concrete (1); the bottom of the supporting steel frame (3) is fixedly connected to a bottom connecting plate (9), and the bottom ends of the bottom connecting plate (9) are respectively fixedly connected to a first universal wheel (10), a second universal wheel (11) is installed in the middle of the bottom of the bottom connecting plate (9), and the bottoms of the first universal wheel (10) and the second universal wheel (11) are arranged horizontally.
6. The concrete construction protection device in a low temperature environment according to claim 2, characterized in that: The limit frame (13) is fixedly connected to the bottom connecting plate (9), and the bottom of the limit frame (13) passes through the bottom connecting plate (9); the limit frame (13) is fixedly connected to the mounting frame (14); the mounting frame (14) is rotatably connected to the lead screw (15), and the top end of the lead screw (15) passes through the mounting frame (14); the top end of the lead screw (15) is fixedly connected to the rotating handle (16).
7. The concrete construction protection device in low temperature environment according to claim 6, characterized in that: The lead screw (15) and the ejector rod (17) are sleeved together, and the lead screw (15) and the ejector rod (17) are connected by threaded transmission; the bottom end of the ejector rod (17) passes through the bottom of the mounting frame (14), and the ejector rod (17) is slidably connected to the mounting frame (14); the bottom of the ejector rod (17) is fixedly connected to a supporting bottom plate (18), and the supporting bottom plate (18) is located below the bottom connecting plate (9), and the supporting bottom plate (18) is fixedly connected to a ground nail (19).
8. The concrete construction protection device in low temperature environment according to claim 7, characterized in that: The top end of the ejector rod (17) is fixedly connected to a limit connecting plate (20), and there are two limit connecting plates (20), which are symmetrically distributed on both sides of the top of the ejector rod (17); one end of the limit connecting plate (20) away from the ejector rod (17) is fixedly connected to a slider (21), and the side surface of the limit connecting plate (20) is in contact with the inner wall of the installation frame (14); a slide groove (22) is provided on the inner wall of the installation frame (14), and the slider (21) is slidably connected inside the slide groove (22).