Efficient steam curing device for prefabricated box girder

Abstract

The utility model is suitable for the technical field of precast box girder maintenance, and particularly relates to a precast box girder efficient steam maintenance device which comprises a supporting vertical frame, a steam conveying main pipe is connected to the outer side of the supporting vertical frame, and a plurality of steam spraying pipes are arranged on the surface of the steam conveying main pipe at equal intervals. The surface of the supporting vertical frame is connected with a mounting support, and the interior of the mounting support is slidably connected with an L-shaped supporting rod. According to the utility model, through the automatic translation assembly, the position of the test cylinder can be accurately adjusted, so that the test cylinder is aligned with the axis of each steam ejection pipe, and the test cylinder is matched with the flow sensor for use. By means of the automatic detection process, the detection efficiency and accuracy are improved, and flow abnormity caused by scaling can be recognized in time. And the flow sensor can accurately capture steam flow data of each steam ejection pipe under the condition of ensuring good sealing, so that the reliability of a measurement result is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of precast box girder curing, in particular to an efficient steam curing device for precast box girders. Background Technique

[0002] The efficient steam curing device for precast box girders is an advanced equipment designed specifically to accelerate the curing process of precast box girders. By connecting with an external steam delivery system, the device precisely delivers high-temperature steam to the surface of the precast box girder, thereby achieving uniform and efficient steam curing. Multiple steam ejection pipes are arranged inside the device to ensure that the steam can be evenly distributed on the surface of the box girder, improving the curing effect.

[0003] Currently, the prior art faces some challenges in the process of detecting the flow rate of the steam ejection pipes. Especially during long-term use or under high-temperature conditions, scaling may occur inside the steam ejection pipes, which will seriously affect the normal circulation of steam. Traditional detection methods often rely on manual operation, which is not only inefficient but also difficult to ensure the consistency and accuracy of detection. In addition, the prior art usually lacks automated means, resulting in the inability to monitor and adjust in real time during the detection process, thus increasing the complexity of equipment maintenance and operation. Summary of the Utility Model

[0004] The purpose of the embodiments of the utility model is to provide an efficient steam curing device for precast box girders, aiming to solve the technical problems mentioned in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An efficient steam curing device for precast box girders includes a support vertical frame, and a steam delivery main pipe is connected to the outside of the support vertical frame. A number of steam ejection pipes are equidistantly arranged on the surface of the steam delivery main pipe. An installation bracket is connected to the surface of the support vertical frame, and an L-shaped support rod is slidably connected inside the installation bracket.

[0007] One end of the L-shaped support rod is connected to a test cylinder, and an installation rod is connected inside the test cylinder. A flow sensor is installed on the outside of the installation rod.

[0008] A translation component is arranged inside the installation bracket, and the translation component is used to drive the L-shaped support rod to slide inside the installation bracket.

[0009] Further, a guiding slide rail is installed inside the installation bracket. One end of the L-shaped support rod away from the test cylinder is provided with a guiding slider, and the L-shaped support rod is slidably connected inside the installation bracket through the cooperation of the guiding slider and the guiding slide rail.

[0010] Further, the translation component includes:

[0011] On both sides inside the mounting bracket, a driving motor and a bearing block are respectively installed, and a transmission threaded rod is jointly installed at the output end of the driving motor and inside the bearing block;

[0012] A threaded transmission hole is formed on the surface of the L-shaped support rod, and the transmission threaded rod is meshed and connected inside the threaded transmission hole.

[0013] Furthermore, the flow sensor is located in the central area inside the test cylinder.

[0014] Furthermore, an electric telescopic rod is installed on the side of the test cylinder. One end of the electric telescopic rod is installed with a sealing ring, and the sealing ring is placed above the test cylinder.

[0015] Furthermore, the inner diameter of the sealing ring is the same as the inner diameter of the steam ejection pipe, and the steam ejection pipe and the sealing ring are on the same axis.

[0016] Furthermore, the sealing ring is made of rubber material, and grooves adapted to the ports of the steam ejection pipes are formed on the surface of the sealing ring.

[0017] An efficient steam curing device for precast box girders provided by the utility model has the following beneficial effects:

[0018] Through the automatic translation component, the position of the test cylinder can be accurately adjusted to align its axis with each steam ejection pipe and cooperate with the flow sensor. This automatic detection process not only improves the detection efficiency and accuracy but also can timely identify the flow anomalies caused by fouling. Under the condition of ensuring good sealing, the flow sensor can accurately capture the steam flow data of each steam ejection pipe, thus ensuring the reliability of the measurement results. Through the preset translation distance and automatic operation, the need for manual intervention is significantly reduced, and the detection process is optimized. This improvement not only enhances the stability of the equipment operation and the convenience of maintenance but also improves the performance and reliability of the overall system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of an efficient steam curing device for precast box girders.

[0020] Figure 2 It is a schematic side view structure diagram of an L-shaped support rod, a main steam delivery pipe, a steam ejection pipe, a test cylinder, a sealing ring, and an electric telescopic rod in an efficient steam curing device for precast box girders.

[0021] Figure 3 It is for an efficient steam curing device for precast box girders Figure 1 The enlarged view of part A.

[0022] In the figure: 1, supporting vertical frame; 2, main steam transmission pipe; 3, steam ejection pipe; 4, bearing seat; 5, mounting bracket; 6, guiding slider; 7, L-shaped support rod; 8, guiding slide rail; 9, driving motor; 10, threaded transmission hole; 11, test cylinder; 12, flow sensor; 13, mounting rod; 14, sealing ring; 15, electric telescopic rod; 16, transmission threaded rod. Detailed implementation manners

[0023] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0024] The specific implementation of the present utility model will be described in detail below in combination with specific embodiments.

[0025] As Figures 1 - 3 shown, a high-efficiency steam curing device for precast box girders provided by an embodiment of the present utility model includes a supporting vertical frame 1, and a main steam transmission pipe 2 is connected to the outside of the supporting vertical frame 1. A plurality of steam ejection pipes 3 are equidistantly arranged on the surface of the main steam transmission pipe 2. The main steam transmission pipe 2 is connected to an external steam transmission device, and the steam transmission device transports high-temperature steam into the interior of the main steam transmission pipe 2. The high-temperature steam is ejected through a plurality of steam ejection pipes 3 and evenly covers the surface of the precast box girder. This process aims to perform effective steam curing treatment on the precast box girder to ensure its quality and strength.

[0026] A mounting bracket 5 is connected to the surface of the supporting vertical frame 1, and an L-shaped support rod 7 is slidably connected to the interior of the mounting bracket 5. A guiding slide rail 8 is installed inside the mounting bracket 5. One end of the L-shaped support rod 7 away from the test cylinder 11 is provided with a guiding slider 6, and the L-shaped support rod 7 is slidably connected to the interior of the mounting bracket 5 through the cooperation of the guiding slider 6 and the guiding slide rail 8;

[0027] One end of the L-shaped support rod 7 is connected to a test cylinder 11, and a mounting rod 13 is connected to the interior of the test cylinder 11. A flow sensor 12 is installed on the outside of the mounting rod 13, and the flow sensor 12 is located in the central area inside the test cylinder 11;

[0028] A translation assembly is arranged inside the mounting bracket 5, and the translation assembly is used to drive the L-shaped support rod 7 to slide inside the mounting bracket 5. The translation assembly can use a threaded lead screw transmission structure or a rack and pinion transmission structure. Preferably, a threaded lead screw transmission structure is adopted because this transmission structure can move the L-shaped support rod 7 and the test cylinder 11 to a predetermined position more precisely. This precision ensures that the axis of the test cylinder 11 can be aligned with the axis of the steam ejection pipe 3 as much as possible, thereby improving the accuracy and effectiveness of the test.

[0029] In an embodiment of the present utility model, the initial position of the L-shaped support rod 7 is at the rightmost or leftmost side below the main steam delivery pipe 2. When it is necessary to sequentially detect the steam flow rates of a plurality of steam ejection pipes 3 provided on the main steam delivery pipe 2, it is first necessary to ensure that the main steam delivery pipe 2 is in a working state, that is, high-temperature steam flows through its interior. Then, the L-shaped support rod 7 and the test cylinder 11 are driven to move by the translation assembly until the axis of the test cylinder 11 is aligned with a steam ejection pipe 3. Then, the flow sensor 12 installed inside the test cylinder 11 is started, and the flow sensor 12 will capture and measure the amount of high-temperature steam discharged from the steam ejection pipe 3, thereby determining the steam flow rate of the steam ejection pipe 3. The L-shaped support rod 7 and the test cylinder 11 are continuously moved by the translation assembly to orderly detect the steam flow rates of all the steam ejection pipes 3 on the main steam delivery pipe 2.

[0030] In this embodiment, the translation assembly includes:

[0031] On both sides inside the mounting bracket 5, a driving motor 9 and a bearing seat 4 are respectively installed, and the output end of the driving motor 9 and the inside of the bearing seat 4 are jointly installed with a transmission threaded rod 16;

[0032] A threaded transmission hole 10 is formed on the surface of the L-shaped support rod 7, and the transmission threaded rod 16 is meshed and connected inside the threaded transmission hole 10.

[0033] When it is necessary to drive the L-shaped support rod 7 and the test cylinder 11 to translate to perform the steam flow rate detection operation, the driving motor 9 can be started. The output end of the driving motor 9 drives the transmission threaded rod 16 to rotate through the bearing seat 4. The outside of the transmission threaded rod 16 is meshed and connected with the L-shaped support rod 7 through the threaded transmission hole 10. Under the coordinated action of the guiding slider 6 and the guiding slide rail 8, the L-shaped support rod 7 will move smoothly in the parallel direction. At this time, the translation assembly will drive the L-shaped support rod 7 and the test cylinder 11 to move simultaneously. The moving distance is preset to ensure the accuracy and consistency of the measurement process.

[0034] This technical solution can accurately adjust the position of the test cylinder 11 through the automatic translation assembly, align its axis with each steam ejection pipe 3, and cooperate with the flow sensor 12. This automatic detection process not only improves the detection efficiency and accuracy, but also can timely identify the flow anomalies caused by scaling. Under the condition of ensuring good sealing, the flow sensor 12 can accurately capture the steam flow rate data of each steam ejection pipe, thereby ensuring the reliability of the measurement results. Through the preset translation distance and automatic operation, the need for manual intervention is significantly reduced, and the detection process is optimized. This improvement not only improves the stability of the equipment operation and the convenience of maintenance, but also enhances the performance and reliability of the overall system.

[0035] Such asFigures 1 - 3 As shown, in an embodiment of the present utility model, an electric telescopic rod 15 is installed on the side of the test cylinder 11. Preferably, the number of electric telescopic rods 15 is two. One end of the two electric telescopic rods 15 is commonly installed with a sealing ring 14, and the sealing ring 14 is placed above the test cylinder 11. The inner diameter of the sealing ring 14 is the same as the inner diameter of the steam ejection pipe 3, and the steam ejection pipe 3 and the sealing ring 14 are on the same axis. The sealing ring 14 is made of rubber material, and grooves adapted to the ports of the steam ejection pipe 3 are provided on the surface of the sealing ring 14.

[0036] During the process of detecting the internal steam flow of the steam ejection pipe 3, it is crucial to ensure the gas sealing performance between the steam ejection pipe 3 and the test cylinder 11. If there are gaps, some steam may leak, resulting in the actual detected steam flow being lower than the true value and affecting the accuracy of the detection result.

[0037] To solve this technical problem, the following measures are implemented: During the process of the translation component moving the test cylinder 11 to align with the axis of the steam ejection pipe 3, first start the electric telescopic rod 15. The electric telescopic rod 15 exerts a downward pulling force on the sealing ring 14, causing the sealing ring 14 to contract for easy adjustment and positioning. When the test cylinder 11 is precisely aligned with the steam ejection pipe 3, the staff can turn off the electric telescopic rod 15. The telescopic section of the electric telescopic rod 15 will drive the sealing ring 14 to move upward until the sealing ring 14 returns to its original position. At this time, the surface of the sealing ring 14 will be in close contact with the port of the steam ejection pipe 3, thus forming a good seal and ensuring excellent gas sealing performance inside the steam ejection pipe 3, the sealing ring 14, and the test cylinder 11.

[0038] This design effectively avoids the measurement error of the steam flow caused by poor sealing, and improves the accuracy and reliability of the detection.

[0039] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A prefabricated box girder high-efficiency steam curing device, comprising a support frame (1), wherein the outer side of the support frame (1) is connected to a steam delivery pipe (2), and a plurality of steam ejection pipes (3) are arranged at equal distances on the surface of the steam delivery pipe (2), characterized in that: The surface of the supporting stand (1) is connected to a mounting bracket (5), and the interior of the mounting bracket (5) is slidably connected to an L-shaped supporting rod (7); One end of the L-shaped support rod (7) is connected to a test cylinder (11), and the interior of the test cylinder (11) is connected to a mounting rod (13), and a flow sensor (12) is mounted on the outside of the mounting rod (13); A translation assembly is arranged inside the mounting bracket (5), and the translation assembly is used to drive the L-shaped support rod (7) to slide inside the mounting bracket (5).

2. The high-efficiency steam curing device for prefabricated box beams according to claim 1 is characterized in that: A guide rail (8) is installed inside the mounting bracket (5), a guide slider (6) is provided at one end of the L-shaped support rod (7) away from the test cylinder (11), and the L-shaped support rod (7) is slidably connected inside the mounting bracket (5) through the cooperation of the guide slider (6) and the guide rail (8).

3. The high-efficiency steam curing device for prefabricated box beams according to claim 2 is characterized in that: The translation assembly comprises: A driving motor (9) and a bearing seat (4) are respectively installed on two sides of the interior of the mounting bracket (5), and a transmission threaded rod (16) is installed on the output end of the driving motor (9) and the interior of the bearing seat (4); A threaded transmission hole (10) is provided on the surface of the L-shaped support rod (7), and the transmission threaded rod (16) is meshedly connected to the inside of the threaded transmission hole (10).

4. The high-efficiency steam curing device for prefabricated box beams according to claim 1 is characterized in that: The flow sensor (12) is located in the central area inside the test cylinder (11).

5. The high-efficiency steam curing device for prefabricated box beams according to claim 1 is characterized in that: An electric telescopic rod (15) is installed on the side of the test cylinder (11), a sealing ring (14) is installed on one end of the electric telescopic rod (15), and the sealing ring (14) is placed above the test cylinder (11).

6. The high-efficiency steam curing device for prefabricated box beams according to claim 5, characterized in that: The inner diameter of the sealing ring (14) is the same as the inner diameter of the steam ejection pipe (3), and the steam ejection pipe (3) and the sealing ring (14) are on the same axis.

7. The high-efficiency steam curing device for prefabricated box beams according to claim 5, characterized in that: The sealing ring (14) is made of rubber material, and a groove matching the port of the steam ejection pipe (3) is provided on the surface of the sealing ring (14).

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