Stand bar steam curing box for steam curing of prefabricated box girder

By designing a steam curing box for precast box girders, a closed steam curing space is formed, which solves the problem of corrosion of mobile trolleys in high temperature and humidity environments, extends service life and saves energy.

CN223643916UActive Publication Date: 2025-12-09POLY CHANGDA ENGINEERING CO LTD
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Patent Information

Application Number
CN202422160094.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-12-09
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing construction and maintenance of precast box girders are carried out in a high-temperature and humid environment, which makes the mobile trolleys and electronic components susceptible to corrosion and shortens their service life.

Method used

Design a steam curing box for precast box girders, including a box body and legs. The bottom of the box body has a channel opening to accommodate a mobile trolley, forming a closed steam curing space. The bottom door is connected to the side of the box body at an obtuse angle to reduce the internal space. Combined with a hydraulic telescopic rod, it realizes intelligent opening and closing. The insulation layer ensures airtightness.

Benefits of technology

It effectively prevents the mobile trolley from being corroded by high temperature and humidity, extends its service life, saves energy, and reduces the space occupied by steam curing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a stand bar steam curing box for box girder steam curing, the stand bar steam curing box comprises a box body and a plurality of stand bars, the bottom of the box body is provided with a channel opening for accommodating a pedestal at the upper part of a mobile trolley, a track is arranged below the channel opening, the front side surface of the box body is provided with a front door for the mobile trolley to enter the channel opening of the box body, and the front door is provided with a plurality of stand bars. And after the movable trolley enters the channel opening, the box body and a pedestal at the upper part of the movable trolley jointly define a closed steam-curing space. According to the utility model, the steam-curing box body is supported by the supporting legs, and when the steam-curing device is used, all prefabricated box girders positioned above the pedestal are positioned in the closed steam-curing space, and the movable trolley part positioned below the pedestal is arranged outside the closed steam-curing space, so that the prefabricated box girders are not damaged; and the high-temperature and humid environment in the closed steam-curing space cannot cause any corrosion to the lower part of the movable trolley, so that the service life of the movable trolley is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of steam curing box technology, specifically to a support steam curing box for steam curing precast box girders. Background Technology

[0002] Currently, the construction and curing of precast box girders are all carried out in steam curing sheds. These sheds are typically square and form a closed curing space with the ground during the curing process. All the mobile trolleys used for transport are placed inside the shed. Furthermore, the environment within this curing space is hot and humid during steam curing, which corrodes the mobile trolleys and their electronic components, thus reducing their lifespan. Utility Model Content

[0003] To achieve the above objectives, the present invention provides the following technical solution: a support steam curing box for box girder steam curing, the support steam curing box including a box body and a plurality of supports for supporting the box body, the bottom of the box body is provided with a channel opening for accommodating the upper platform of the mobile trolley, a track is provided below the channel opening, the front side of the box body is provided with a front door for the mobile trolley to enter the channel opening of the box body, after the mobile trolley enters the channel opening, the box body and the upper platform of the mobile trolley together form a closed steam curing space.

[0004] Preferably, the bottom of the box has two bottom doors that open to the left and right, each bottom door is hinged to the corresponding side of the box, and the passage opening is provided between the two bottom doors.

[0005] Preferably, each of the bottom doors is connected to the corresponding side of the housing at an obtuse angle.

[0006] Preferably, each bottom door is further provided with a horizontal connecting plate between it and the corresponding side of the box body, and the bottom door is hinged to one side of the connecting plate.

[0007] Preferably, a hydraulic telescopic rod is provided between the support leg and the corresponding side of the housing, and the side is provided with a mounting plate. One end of the hydraulic telescopic rod is connected to the mounting plate, and the other end is connected to the support leg.

[0008] Preferably, the top of the support leg is connected to the bottom of the connecting plate.

[0009] Preferably, the support leg is a cylindrical body, the upper part of the support leg is provided with a first through hole, and the side of the box body near the first through hole is provided with a second through hole.

[0010] Preferably, an insulation layer is provided on the contact surface of the box body that contacts the base of the mobile trolley.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This utility model has the following beneficial effects:

[0013] This invention supports the curing chamber with legs and has an opening at the bottom of the chamber to accommodate the platform of the mobile trolley. During use, the mobile trolley can enter the opening, and the platform and the curing chamber together form a closed curing space. Therefore, the precast box beams above the platform are entirely within this closed space, while the mobile trolley below is outside. This prevents corrosion of the lower part of the mobile trolley due to the high temperature and humidity within the closed curing space, thus ensuring its service life. Furthermore, because the bottom door connects to the corresponding side of the chamber at an obtuse angle, the internal space is reduced compared to existing square curing sheds, thus saving energy. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention from the front view (the front door is not shown);

[0015] Figure 2 This is a cross-sectional schematic diagram of the present invention;

[0016] The following are the labels in the diagram: Box body 1, Second through hole 11, Support leg 2, Connecting plate 31, Bottom door 32, Passage opening 33, Hydraulic telescopic rod 4, Moving trolley 5, Platform 51, Track 6, Box beam 7. Detailed Implementation

[0017] The technical solution of one embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0018] Please see Figure 1-2 :

[0019] A steam curing box with legs for steam curing box girders includes a box body 1 and several legs 2 for supporting the box body 1. The bottom of the box body 1 is provided with a channel opening 33 for accommodating the platform 51 on the upper part of the mobile trolley 5. A track 6 is provided below the channel opening 33. The front side of the box body 1 is provided with a front door for the mobile trolley 5 to enter the channel opening 33. After the mobile trolley 5 enters the channel opening 33, the box body 1 and the platform 51 on the upper part of the mobile trolley 5 together form a closed steam curing space. This invention uses support legs 2 to support the steam curing chamber 1, and has a channel opening 33 at the bottom of the steam curing chamber 1 to accommodate the platform 51 above the mobile trolley 5. In use, the mobile trolley 5 can enter the channel opening 33, and the platform 51 and the steam curing chamber 1 together form a closed steam curing space. Therefore, the precast box beam 7 above the platform 51 is entirely within the closed steam curing space, while the mobile trolley 5 below the platform 51 is outside the closed steam curing space. Thus, the high temperature and humidity environment within the closed steam curing space will not cause any corrosion to the lower part of the mobile trolley 5, thereby ensuring the service life of the mobile trolley 5.

[0020] In this embodiment, preferably, the bottom of the housing 1 is provided with two bottom doors 32 that open to the left and right. Each bottom door 32 is hinged to the corresponding side of the housing 1, and a passage opening 33 is provided between the two bottom doors 32. The bottom doors 32 are normally closed. When in use, the bottom doors 32 are opened, increasing the passage opening 33, which facilitates the entry of the trolley 5 into the housing 1. After the trolley 5 has entered, the bottom doors 32 are closed again.

[0021] In this embodiment, preferably, each bottom door 32 is connected to the corresponding side of the box 1 at an obtuse angle, which reduces the space inside the box 1 and is beneficial for energy saving.

[0022] In this embodiment, preferably, each bottom door 32 is further provided with a horizontal connecting plate 31 between it and the corresponding side of the box 1, and the bottom door 32 is hinged to one side of the connecting plate 31. The connecting plate 31 is provided so that the top surface of the connecting plate 31 can serve as an installation platform inside the box 1 for installing equipment used for steam curing, such as spray pipes.

[0023] In this embodiment, preferably, a hydraulic telescopic rod 4 is provided between the support leg 2 and the corresponding side of the housing 1. A mounting plate is provided on the side, with one end of the hydraulic telescopic rod 4 connected to the mounting plate and the other end connected to the support leg 2. The hydraulic telescopic rod 4 enables the intelligent opening and closing of the bottom door 32.

[0024] In this embodiment, preferably, the top of the support leg 2 is connected to the bottom of the connecting plate 31 to facilitate the installation of the housing 1 and save on the material used for the support leg 2.

[0025] In this embodiment, preferably, the support leg 2 is a cylindrical body, with a first through hole on the upper part of the support leg 2 and a second through hole 11 on the side of the housing 1 near the first through hole. Since various steam curing equipment needs to be installed inside the housing 1, several cables need to be installed through the first through hole, the second through hole 11, and the cavity inside the support leg 2 to facilitate cable installation.

[0026] In this embodiment, preferably, an insulation layer is provided on the contact surface of the box 1 that contacts the base 51 of the mobile trolley 5, so as to seal the inside of the box 1.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A steam curing box for precast box girder support, characterized in that: The supported steam curing chamber includes a chamber body and several legs for supporting the chamber body. The bottom of the chamber body has a channel opening for accommodating a platform on top of a mobile trolley. A track is located below the channel opening. The front side of the chamber body has a front door for the mobile trolley to enter the channel opening. After the mobile trolley enters the channel opening, the chamber body and the platform on top of the mobile trolley together form a closed steam curing space. The bottom of the chamber body has two bottom doors that open to the left and right. Each bottom door is hinged to a corresponding side of the chamber body, and the channel opening is located between the two bottom doors. A horizontal connecting plate is also provided between each bottom door and the corresponding side of the chamber body, and the bottom door is hinged to one side of the connecting plate. Each bottom door is connected to the corresponding side of the chamber body at an obtuse angle. The top of each leg is connected to the bottom of the connecting plate. Each leg is a cylindrical body with a first through hole at the top and a second through hole on the side of the chamber body near the first through hole. Cable installation is facilitated through the first through hole, the second through hole, and the cavity inside the leg.

2. The steam curing box for precast box girder steam curing according to claim 1, characterized in that, A hydraulic telescopic rod is provided between the support leg and the corresponding side of the box. The side is provided with a mounting plate. One end of the hydraulic telescopic rod is connected to the mounting plate, and the other end is connected to the support leg.

3. A steam curing box for precast box girder steam curing according to claim 1, characterized in that, An insulation layer is provided on the contact surface of the box body that comes into contact with the platform of the mobile trolley.