Portable UHPC steam curing device
By designing a portable UHPC steam curing device, which utilizes limiting columns and slots to connect support rods, rapid assembly and disassembly are achieved. Combined with temperature and humidity sensors for precise control, the problem of the inconvenience of steam curing hoods is solved, improving construction efficiency and curing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-04-14
AI Technical Summary
The existing steam curing hoods are large and lack foldability, making them inconvenient to transport and store, and difficult to use.
A portable UHPC steam curing device was designed, including a counterweight bag, a support frame, an insulated outer cover, and an automatic dehumidification valve. The support rod is connected by a limiting post and a slot to achieve quick assembly and disassembly, and precise control is achieved by combining temperature and humidity sensors.
It improves the stability and durability of the equipment, simplifies the operation process, reduces labor intensity, and enhances construction efficiency and steam curing effect.
Smart Images

Figure CN224116401U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete curing technology, specifically a portable UHPC steam curing device. Background Technology
[0002] Ultra-high performance concrete (UHPC) is widely used in construction and other fields due to its ultra-high strength and excellent durability. When UHPC precast components are produced in winter, the internal components take longer to solidify due to the low temperature, and the actual performance after solidification may not meet the standards. Therefore, steam curing is mostly used in winter construction to accelerate the solidification and molding of precast components. Since steam has diffusivity, steam curing covers need to be installed on the outside of the precast concrete components to prevent the steam from diffusing too quickly.
[0003] Traditional curing methods involve lifting the curing device with hoisting equipment, then covering the precast concrete component with the device, and finally connecting it to an external steam-supplying device for curing. However, current steam curing covers are large in size and lack foldability, making them inconvenient to transport and store, resulting in poor convenience. Utility Model Content
[0004] The purpose of this utility model is to provide a portable UHPC steam curing device to solve the problems mentioned in the background art, such as the large overall structure of the current steam curing hood, lack of foldability, inconvenience in transportation and storage, poor convenience, and troublesome use.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a portable UHPC steam curing device, comprising a counterweight bag, a support frame movably mounted on the outside of the counterweight bag, an insulated cover covering the outside of the support frame, an automatic dehumidification valve fixedly mounted on the top of the support frame, and a steam connector fixedly connected to the outside of the insulated cover.
[0006] The support frame includes multiple collars and support rods one and two corresponding to the number of collars. The multiple collars are movably sleeved on the outside of the counterweight bag. Limiting posts are fixedly connected to the top of each collar, support rod one, and support rod two. Limiting grooves are formed at the bottom of support rod one and support rod two. Support rod one is movably installed on the top of the collar, and support rod two is movably installed on the top of support rod one. A top cover is movably snapped onto the top of support rod two. The automatic dehumidification valve is fixedly installed on the inside of the top cover.
[0007] Preferably, the collar is movably engaged in the limiting groove at the bottom of the first support rod via a limiting post, the first support rod is movably engaged in the limiting groove at the bottom of the second support rod via a limiting post at its top, and the limiting post at the top of the second support rod is movably engaged in the interior of the top cover.
[0008] Preferably, the outer side of the top cover is provided with slots corresponding to the limiting posts at equal intervals.
[0009] Preferably, both support rod one and support rod two are made of PVC material.
[0010] Preferably, a hook is fixedly connected to the outer side of the collar, and a strap is fixedly connected to the lower outer side of the insulation cover, with the strap tied to the hook.
[0011] Preferably, the counterweight bag includes a long strip-shaped bag body, and both ends of the bag body are respectively fixedly connected with a matching female buckle and a female buckle.
[0012] Preferably, a temperature and humidity sensor located on the side of the automatic dehumidification valve is fixedly installed inside the top cover.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The collar is movably engaged with the limiting groove at the bottom of the first support rod via the limiting post. The first support rod is movably engaged with the limiting groove at the bottom of the second support rod via the limiting post at the top. The limiting post at the top of the second support rod is movably engaged with the inside of the top cover, thus realizing the stable construction of the entire support frame. This not only facilitates quick assembly and disassembly but also ensures a tight connection between the components, effectively improving the stability and durability of the entire steam curing device. During use, the engagement method is simple and effective, requiring no additional fixing tools or steps, greatly improving construction efficiency.
[0015] 2. The insulation cover has excellent insulation performance and ensures overall airtightness. The automatic dehumidification valve, together with the temperature and humidity sensor, can monitor the temperature and humidity inside the insulation cover and discharge moisture through the automatic dehumidification valve, so as to achieve precise control of the internal environment of the steam curing device, improve the adaptability and quality stability of on-site construction. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0017] Figure 2 This is a schematic diagram of the overall explosion state of this utility model;
[0018] Figure 3 This is an exploded view of the support frame structure of this utility model;
[0019] Figure 4 This is a cross-sectional structural diagram of the present invention;
[0020] Figure 5 This is a partial structural schematic diagram of the counterweight bag of this utility model.
[0021] In the diagram: 1. Counterweight bag; 11. Bag body; 12. Female buckle; 13. Female buckle; 2. Support frame; 21. Loop; 22. Support rod one; 23. Support rod two; 24. Limiting post; 25. Limiting groove; 26. Top cover; 27. Hook; 3. Insulation cover; 31. Straps; 4. Automatic dehumidification valve; 5. Steam connector; 6. Temperature and humidity sensor. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 This utility model provides a technical solution: a portable UHPC steam curing device, including a counterweight bag 1, a support frame 2 movably installed on the outside of the counterweight bag 1, an insulation cover 3 covering the outside of the support frame 2, an automatic dehumidification valve 4 fixedly installed on the top of the support frame 2, and a steam connector 5 fixedly connected to the outside of the insulation cover 3.
[0024] The support frame 2 includes multiple collars 21 and support rods 22 and 23 corresponding to the number of collars 21. The multiple collars 21 are movably sleeved on the outside of the counterweight bag 1. The top ends of the collars 21, support rods 22 and 23 are all fixedly connected to limit posts 24. The bottom ends of support rods 22 and 23 are provided with limit grooves 25. Support rod 22 is movably installed on the top of the collars 21, and support rod 23 is movably installed on the top of support rod 22. The top end of support rod 23 is movably snapped with a top cover 26. An automatic dehumidification valve 4 is fixedly installed inside the top cover 26.
[0025] In use, the collars 21 are evenly distributed around the outside of the bag body 11. The support rods 22 and 23 are fixed by inserting them together using the limiting posts 24 and limiting grooves 25 at the top and bottom ends. Then, the top cover 26 is placed between the multiple sets of support rods 23, and the limiting posts 24 at the top of the support rods 23 are inserted into the slots on the outside of the top cover 26 for support and fixation. Subsequently, the insulation cover 3 is placed over the support frame 2 to surround the precast concrete components for steam curing. The support frame 2, in conjunction with the counterweight bag 1, allows for quick assembly and disassembly, reducing space occupation, facilitating movement and transportation, and improving adaptability and ease of use on construction sites.
[0026] The collar 21 is movably engaged with the limiting groove 25 at the bottom of the support rod 22 via the limiting post 24. The support rod 22 is movably engaged with the limiting groove 25 at the bottom of the support rod 23 via the limiting post 24 at the top. The limiting post 24 at the top of the support rod 23 is movably engaged with the inside of the top cover 26. This achieves a stable construction of the entire support frame 2, which not only facilitates quick assembly and disassembly but also ensures a tight connection between the components, effectively improving the stability and durability of the entire steam curing device. During use, the engagement method is simple and effective, requiring no additional fixing tools or steps, greatly improving construction efficiency.
[0027] The outer side of the top cover 26 is provided with slots corresponding to the limiting posts 24 at equal intervals. The limiting posts 24 can be accurately and securely inserted into these slots, enhancing the connection strength between the top cover 26 and the second support rod 23. Construction personnel can complete the fixing and disassembly of the top cover 26 without complicated operating procedures, further improving construction efficiency.
[0028] Both support rod 1 (22) and support rod 2 (23) are made of PVC material, which has good corrosion resistance and is lightweight and high-strength. This makes the entire steam curing device lighter and easier to move, effectively reducing the labor intensity of construction personnel and improving the efficiency of steam curing.
[0029] Please see Figure 2 and Figure 3 A hook 27 is fixedly connected to the outer side of the collar 21, and a strap 31 is fixedly connected to the lower outer side of the insulation cover 3. The strap 31 is tied to the hook 27. The top of the insulation cover 3 is designed with a constricted opening, which can securely hang it on the entire support frame 2, making it less likely to fall off or shake. The hook 27 facilitates the quick binding and unbinding of the strap 31, ensuring stable fixation.
[0030] The binding strap 31 is made of elastic material, possessing a certain degree of elasticity and wear resistance. It can adapt to different sizes of insulation covers 3 and ensure a tight fit to the device, effectively preventing heat loss and improving steam curing efficiency. The combined use of the binding strap 31 and hook 27 greatly simplifies the installation and disassembly process of the insulation cover 3, improving construction efficiency.
[0031] The insulation cover 3 is made entirely of composite fabric, which has excellent thermal insulation properties. It can maintain stable temperature and humidity inside the steam curing device, while preventing excessive moisture accumulation from adversely affecting the UHPC material. The outer layer of the composite fabric is made of wear-resistant and waterproof material, which effectively resists the erosion of the external environment and extends the service life of the insulation cover 3.
[0032] The counterweight bag 1 includes a long, narrow bag body 11. Both ends of the bag body 11 are fixedly connected to matching female buckles 12 and female buckles 13. The design of the female buckles 12 and female buckles 13 facilitates the fixed connection of the bag body 11, thereby making it convenient to carry the counterweight bag 1 and also facilitating the installation of the collar 21.
[0033] The counterweight bag 1 is made of wear-resistant material and has an elliptical cross-section. It is fitted with a ring 21 to ensure a stable fit. It is filled with an appropriate amount of sand, pebbles or other suitable weights to increase the weight of the device and prevent it from shifting due to wind or other external forces during steam curing, thus ensuring the uniformity and consistency of the curing effect.
[0034] Please see Figure 1 and Figure 3 The temperature and humidity sensor 6 is fixedly installed inside the top cover 26 on the side of the automatic dehumidification valve 4.
[0035] The temperature and humidity sensor 6 can monitor the temperature and humidity inside the insulation cover 3 in real time and transmit the monitoring data to the external control system. The control system adjusts the working status of the steam generator according to the preset curing parameters and controls the automatic dehumidification valve 4 to discharge moisture, thereby achieving precise control of the internal environment of the steam curing device, ensuring that the UHPC material is cured under the best temperature and humidity conditions, and improving the quality and efficiency of curing.
[0036] Working principle: In use, the collar 21 is placed on the outside of the bag body 11, making the bag body 11 a ring. The female buckle 12 and the male buckle 13 are fastened to make the bag body 11 a ring around the outside of the precast concrete component. Then, the collars 21 are evenly distributed outside the bag body 11. The support rod 22 is then fixed by inserting it into the limiting groove 25 at the bottom of the support rod 21 and corresponding to the limiting post 24 at the top of the collar 21. The support rod 23 is fixed above the support rod 22 in the same way. Then, the top cover 26 is placed between the multiple sets of support rods 23. The limiting post at the top of the support rod 23 is then fixed. 24 is inserted into the slot on the outside of the top cover 26 for support and fixation. Then, the insulation cover 3 is placed over the support rods 22 and 23 from above, so that the automatic dehumidification valve 4 inside the top cover 26 is exposed outside the insulation cover 3. The binding strap 31 is tied to the outside of the hook 27 for fixation. Steam is injected into the precast concrete component located inside the insulation cover 3 by connecting to the steam connector 5. The humidity inside the insulation cover 3 is detected by the electrically connected temperature and humidity sensor 6, and the automatic dehumidification valve 4 is controlled to release and discharge the internal moisture to maintain the humidity within a stable range.
[0037] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0038] 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A portable UHPC steam curing device, characterized in that: Includes a counterweight bag (1), a support frame (2) is movably installed on the outside of the counterweight bag (1), an insulation cover (3) is provided on the outside of the support frame (2), an automatic dehumidification valve (4) is fixedly installed on the top of the support frame (2), and a steam connector (5) is fixedly connected to the outside of the insulation cover (3). The support frame (2) includes multiple collars (21) and support rod one (22) and support rod two (23) corresponding to the number of collars (21). Multiple collars (21) are movably sleeved on the outside of the counterweight bag (1). The top ends of the collars (21), support rod one (22) and support rod two (23) are fixedly connected to limit posts (24). The bottom ends of support rod one (22) and support rod two (23) are provided with limit grooves (25). Support rod one (22) is movably installed on the top of the collar (21). Support rod two (23) is movably installed on the top of support rod one (22). The top end of support rod two (23) is movably snapped with a top cover (26). The automatic dehumidification valve (4) is fixedly installed on the inside of the top cover (26).
2. The portable UHPC steam curing device according to claim 1, characterized in that: The collar (21) is movably engaged in the limiting groove (25) at the bottom of the support rod (22) by the limiting post (24). The support rod (22) is movably engaged in the limiting groove (25) at the bottom of the support rod (23) by the limiting post (24) at the top. The limiting post (24) at the top of the support rod (23) is movably engaged in the interior of the top cover (26).
3. The portable UHPC steam curing device according to claim 2, characterized in that: The outer side of the top cover (26) is provided with slots corresponding to the limiting posts (24) at equal intervals.
4. The portable UHPC steam curing device according to claim 1, characterized in that: Both support rod one (22) and support rod two (23) are made of PVC material.
5. A portable UHPC steam curing device according to claim 1, characterized in that: A hook (27) is fixedly connected to the outside of the collar (21), and a strap (31) is fixedly connected to the lower outside of the heat insulation cover (3). The strap (31) is tied to the hook (27).
6. A portable UHPC steam curing device according to claim 1, characterized in that: The counterweight bag (1) includes a long strip-shaped bag body (11), and the two ends of the bag body (11) are respectively fixedly connected with a matching female buckle (12) and a female buckle (13).
7. A portable UHPC steam curing device according to claim 1, characterized in that: The temperature and humidity sensor (6) is fixedly installed inside the top cover (26) on the side of the automatic dehumidification valve (4).