Asphalt mixture heat preservation device for construction in low-temperature seasons
By designing an asphalt mixture insulation device for low-temperature season construction, the construction problem caused by the drop in the temperature of the asphalt mixture is solved by using the combination of oil cloth and positioning parts, and stable insulation and simplified operation are achieved.
Patent Information
- Application Number
- CN202422042422.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-22
AI Technical Summary
During construction in low-temperature seasons, the temperature of the asphalt mixture drops rapidly, resulting in increased viscosity and poor ease, making it difficult to achieve appropriate compaction and mass. The insulation measures of existing material transport trucks are cumbersome, require multiple operations and are unstable.
A bituminous mixture insulation device for low temperature season construction is designed, including an oil cloth, a first positioning member and a second positioning member. The inner layer of the oil cloth is equipped with insulation cotton felt, and the belt can be slidably adjusted to the position and is fixed on the transport vehicle. The belt presses and fixes the oil cloth to limit the insulation cotton felt to the oil cloth.
The stable insulation of asphalt mixture is achieved, the operation process is simplified, the fixed stability is improved, and the temperature stability and quality of the mixture during transportation and construction are ensured.
Smart Images

Figure CN223033782U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixture insulation, in particular to an asphalt mixture insulation device for construction in low-temperature seasons. Background Technique
[0002] Asphalt concrete is a building material commonly used in places such as roads, airport runways, and parking lots. During winter construction, due to low temperature and humid weather conditions, the temperature of asphalt mixture drops rapidly, and it is easy for the temperature of the mixture to fail to meet the construction requirements, resulting in waste. Moreover, due to the rapid temperature drop, the viscosity of asphalt increases, and the workability of asphalt mixture becomes poor. At this time, the required compaction work will increase, and it is difficult to achieve the pavement compaction degree, and the quality is difficult to guarantee.
[0003] During the transportation of asphalt mixture, heat preservation treatment should be paid attention to. When the existing transport vehicle transports asphalt mixture, double-layer cotton felt covering measures are taken. After the asphalt mixture is loaded, double-layer cotton felt is covered, and at the same time, tarpaulin is covered. Multiple operations are required, and ropes are used to fix the double-layer cotton felt and tarpaulin after covering. Its operation convenience still needs to be improved. In view of the above problems, an asphalt mixture insulation device for construction in low-temperature seasons is proposed. Content of the Utility Model
[0004] The purpose of the utility model is to provide an asphalt mixture insulation device for construction in low-temperature seasons to solve the problems put forward in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] An asphalt mixture insulation device for construction in low-temperature seasons includes a tarpaulin, a first positioning member, and a second positioning member;
[0007] The inner layer of the tarpaulin is provided with heat-preserving cotton felt. Two groups of binding straps are sleeved on the tarpaulin. Both ends of the binding straps are connected to the second positioning member, and several first positioning members are provided on both sides of the tarpaulin;
[0008] A hanging ring is connected to the side wall of the tarpaulin. The first positioning member includes a first pulling rope that can pass through the hanging ring. One end of the first pulling rope is connected to a fixing ring. The fixing ring is connected to a fixing rod. The fixing rod is connected to a first hook. A first D-ring is connected to the first pulling rope.
[0009] In an optional solution: the binding strap is provided with a perforation for the tarpaulin to pass through. Several plastic female buttons are provided on the top of the tarpaulin. A plastic male button that cooperates with the plastic female button is connected to the inner wall of the perforation.
[0010] In an alternative embodiment: The second positioning member includes an engagement ring, a second pulling rope, and a second hook. The second hook is connected to one end of the second pulling rope, the engagement ring is connected to the end of the strap, the second pulling rope passes through the engagement ring, and a second D-ring is connected to the second pulling rope.
[0011] In an alternative embodiment: The first hook includes a hanging plate and a clamping plate. The top end of the hanging plate is rotatably connected to the bottom end of the fixed rod, a screw is threadedly connected to the bottom of the hanging plate, and one end of the screw is rotatably connected to the side of the clamping plate close to the hanging plate.
[0012] In an alternative embodiment: A guide post is connected to the side of the clamping plate close to the hanging plate, and a guide hole for the sliding of the guide post is provided on the hanging plate.
[0013] In an alternative embodiment: The first positioning member and the second positioning member are respectively arranged on the adjacent outer sides of the tarpaulin.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] In the present utility model, the tarpaulin covers the transport vehicle to keep the asphalt mixture warm. The two groups of straps can slide on the tarpaulin to adjust the position, and can be actually adjusted according to the width of the transport vehicle, so that the second positioning member is fixed on the transport vehicle. By pulling the straps, the straps can be placed on the top of the truck bed to press and fix the tarpaulin. At the same time, the installation of the straps can limit the heat preservation cotton felt within the tarpaulin. The first positioning member and the second positioning member cooperate to stably fix the tarpaulin, and the hanging operation is convenient, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of the present utility model.
[0017] Figure 2 is a partial structural schematic diagram of the present utility model.
[0018] Figure 3 is a schematic structural diagram of the first positioning member in the present utility model.
[0019] Figure 4 is a schematic structural diagram of the strap and the second positioning member in the present utility model.
[0020] In the figure: 11, tarpaulin; 12, strap; 13, first positioning member; 14, second positioning member; 15, heat preservation cotton felt; 16, hanging ring; 17, perforation; 18, plastic male buckle; 19, engagement ring; 20, second pulling rope; 21, second D-ring; 22, second hook; 23, first pulling rope; 24, first D-ring; 25, fixing ring; 26, fixed rod; 27, hanging plate; 28, clamping plate; 29, guide post; 30, screw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "attachment", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1 - 4 , in this embodiment, an asphalt mixture heat preservation device for construction in low temperature seasons includes an oilcloth 11, a first positioning member 13, and a second positioning member 14;
[0024] The inner layer of the oilcloth 11 is provided with a heat preservation cotton felt 15. Two groups of straps 12 are sleeved on the oilcloth 11. Both ends of the straps 12 are connected to the second positioning member 14. A plurality of first positioning members 13 are provided on both sides of the oilcloth 11;
[0025] A hanging ring 16 is connected to the side wall of the oilcloth 11. The first positioning member 13 includes a first pulling rope 23 that can pass through the hanging ring 16. One end of the first pulling rope 23 is connected to a fixing ring 25. The fixing ring 25 is connected to a fixing rod 26. The fixing rod 26 is connected to a first hook. A first Japanese character buckle 24 is connected to the first pulling rope 23;
[0026] In this embodiment, the oilcloth 11 covers the transport vehicle to keep the asphalt mixture warm. The two groups of straps 12 can slide on the oilcloth 11 to adjust the position, and can be actually adjusted according to the width of the transport vehicle, so that the second positioning member 14 is fixed on the transport vehicle. By pulling the straps 12, the straps 12 can be placed on the top of the truck bed to press and fix the oilcloth 11. At the same time, the installation of the straps 12 can limit the heat preservation cotton felt 15 inside the oilcloth 11; the first hook is hung on the vehicle body, which can fix the position of the first positioning member 13. The cooperation of the first positioning member 13 and the second positioning member 14 can stably fix the oilcloth 11 and facilitate the hanging operation.
[0027] In another embodiment, the strap 12 is provided with a perforation 17 for the tarpaulin 11 to pass through. A plurality of plastic female buttons 18 are provided on the top of the tarpaulin 11, and a plastic male button that cooperates with the plastic female button 18 is connected to the inner wall of the perforation 17;
[0028] The strap 12 slides on the tarpaulin 11 to adjust its position. The tarpaulin 11 slides in the perforation 17. When adjusted to the target position, the plastic female button and the plastic male button are butted, which can fix the position of the strap 12 on the tarpaulin 11 and improve the fixing stability.
[0029] In another embodiment, the second positioning member 14 includes a connecting ring 19, a second pulling rope 20 and a second hook 22. The second hook 22 is connected to one end of the second pulling rope 20. The connecting ring 19 is connected to the end of the strap 12. The second pulling rope 20 passes through the connecting ring 19, and a second D-ring 21 is connected to the second pulling rope 20; The second D-ring 21 is used in the same way as the first D-ring 24;
[0030] The connection of the second D-ring 21 on the second pulling rope 20 can refer to the connection of the existing adjustable backpack strap. After adjustment, the distance between the connecting ring 19 and the second hook 22 can be adjusted, which is convenient for adjusting the position of the second hook 22. The second hook 22 can be hooked on the transport vehicle.
[0031] As Figure 3 shown, in another embodiment, the first hook includes a hanging plate 27 and a clamping plate 28. The top end of the hanging plate 27 is rotatably connected to the bottom end of the fixed rod 26. The bottom of the hanging plate 27 is threadedly connected to a screw rod 30. One end of the screw rod 30 is rotatably connected to the side of the clamping plate 28 close to the hanging plate 27; Rotating the screw rod 30 can adjust the position of the hanging plate 27, which can be adjusted according to the thickness of the connection part. The hanging plate 27 and the clamping plate 28 cooperate to clamp and fix on the vehicle body.
[0032] In another embodiment, a guide post 29 is connected to the side of the clamping plate 28 close to the hanging plate 27, and a guide hole for the guide post 29 to slide is provided on the hanging plate 27; When the hanging plate 27 is adjusted, the guide post 29 slides in the guide hole, enabling the hanging plate 27 to move horizontally stably.
[0033] As Figure 1 shown, in another embodiment, the first positioning member 13 and the second positioning member 14 are respectively arranged on the adjacent outer sides of the tarpaulin 11; The first positioning member 13 can be connected to both sides of the transport vehicle, and the second positioning member can be connected to the rear of the transport vehicle and the side of the vehicle bucket close to the front of the vehicle.
[0034] In the low-temperature season, heat preservation is carried out during the transportation of asphalt mixture to reduce waste generation. Before paving the asphalt mixture, it is required to cover and keep warm and moisture-proof the subbase layer before paving, so that its surface is dry and free of freezing.
[0035] When paving, select sunny weather with wind force not exceeding level 4, and strictly prohibit night construction. The paving time is arranged from 9:00 am to 4:00 pm, and it is necessary to unload, pave, and roll quickly.
[0036] Arrange a special person to be responsible for detecting the temperature of asphalt mixture, appropriately increase the ex-factory temperature of asphalt mixture, and appropriately increase the temperature of mixing, transportation, paving, and rolling of the mixture by 5°C - 10°C.
[0037] Appropriately increase the rolling equipment, try to maintain continuous paving operation, emphasize "keeping close" to the paver for rolling, and select appropriate amplitude and vibration frequency of the paver's rammer to make the initial compaction degree reach more than 85%. The steel-wheel roller should roll as soon as the paving is done and reduce the water spraying amount. The rubber-wheel roller should keep rolling without stopping and follow closely behind the steel-wheel roller. For local areas such as the road edge, use a vibrating rammer plate for compaction, and for the area around the inspection well, use a vibrating rammer plate for supplementary compaction.
[0038] The working principle of the present utility model is as follows: The oilcloth 11 covers the transport vehicle to keep the asphalt mixture warm. The two groups of straps 12 can slide on the oilcloth 11 to adjust the position. The oilcloth 11 slides in the perforation 17 and is adjusted to the target position. The plastic female buckle is docked with the plastic male buckle, which can fix the position of the strap 12 on the oilcloth 11, improve the fixing stability, and can be adjusted according to the actual width of the transport vehicle. The connection of the second Chinese character buckle 21 on the second pulling rope 20 can refer to the connection of the existing adjustable backpack strap. After adjustment, the distance between the adjustable connection ring 19 and the second hook 22 can be adjusted to facilitate adjusting the position of the second hook 22. The second hook 22 can be hooked on the transport vehicle. Pull the strap 12, and the strap 12 can be placed on the top of the truck bed to press and fix the oilcloth 11. At the same time, the installation of the strap 12 can limit the heat-insulating cotton felt 15 within the oilcloth 11; Rotating the screw 30 can adjust the position of the hanging plate 27, which can be adjusted according to the thickness of the connection part. The hanging plate 27 and the clamping plate 28 cooperate to clamp and fix on the vehicle body, which can fix the position of the first positioning member 13. The first positioning member 13 and the second positioning member 14 cooperate to stably fix the oilcloth 11 and facilitate the hanging connection operation.
[0039] The above is only the preferred embodiment of the present utility model, and it is not a limitation of the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A device for heat preservation of asphalt mixture used for construction in low temperature seasons, comprising a tarpaulin (11), a first positioning member (13) and a second positioning member (14); Features: The inner layer of the oilcloth (11) is provided with a heat-insulating cotton felt (15), two groups of binding straps (12) are sleeved on the oilcloth (11), both ends of the binding straps (12) are connected to second positioning members (14), and a plurality of first positioning members (13) are provided on both sides of the oilcloth (11); The side wall of the oilcloth (11) is connected to a hanging ring (16); the first positioning member (13) comprises a first pulling rope (23) which can pass through the hanging ring (16); one end of the first pulling rope (23) is connected to a fixing ring (25); the fixing ring (25) is connected to a fixing rod (26); the fixing rod (26) is connected to a first hook; and the first pulling rope (23) is connected to a first Japanese-shaped buckle (24).
2. The asphalt mixture insulation device for construction in low temperature seasons according to claim 1 is characterized by: The binding strap (12) is provided with a through hole (17) for the oilcloth (11) to pass through, the top of the oilcloth (11) is provided with a plurality of plastic female buckles (18), and the inner wall of the through hole (17) is connected with a plastic male buckle that matches the plastic female buckle (18).
3. The asphalt mixture insulation device for construction in low temperature seasons according to claim 1 is characterized by: The second positioning member (14) comprises a connecting ring (19), a second pulling rope (20) and a second hook (22), wherein the second hook (22) is connected to one end of the second pulling rope (20), the connecting ring (19) is connected to the end of the binding belt (12), the second pulling rope (20) passes through the connecting ring (19), and the second Japanese-shaped buckle (21) is connected to the second pulling rope (20).
4. The asphalt mixture insulation device for construction in low temperature seasons according to claim 1 is characterized by: The first hook comprises a hanging plate (27) and a clamping plate (28); the top end of the hanging plate (27) is rotatably connected to the bottom end of the fixing rod (26); the bottom of the hanging plate (27) is threadedly connected to a screw rod (30); one end of the screw rod (30) is rotatably connected to a side of the clamping plate (28) close to the hanging plate (27).
5. The asphalt mixture insulation device for construction in low temperature seasons according to claim 4 is characterized by: The clamping plate (28) is connected to a guide column (29) at one side close to the hanging plate (27), and a guide hole for the guide column (29) to slide is provided on the hanging plate (27).
6. The asphalt mixture insulation device for construction in low temperature seasons according to claim 1 is characterized by: The first positioning member (13) and the second positioning member (14) are respectively arranged on adjacent outer sides of the oilcloth (11).