An isolation chamber door for a vacuum magnetic levitation pipeline

Abstract

This invention discloses an isolation chamber door for a vacuum maglev pipeline, positioned between the transition chamber and the main chamber of the pipeline. It includes a main shell, a drive unit, and at least one set of compensators. The main shell has a through-hole and an internal cavity; the drive unit is movably mounted within the cavity and includes a connecting section and a sealing section; at least one set of compensators is located at one end of the main shell and has a first connecting rail inside. Specifically, the isolation chamber door has two operating modes: in the first mode, the sealing section moves to the through-hole to isolate the transition chamber and the main chamber; in the second mode, the connecting section moves to the through-hole to connect the transition chamber and the main chamber. Using this isolation chamber door, the movement of the drive unit achieves the connection and isolation states of the vacuum maglev pipeline. The isolation chamber door has a simple structure and flexible operating condition adjustment; furthermore, the pipeline compensators can reduce the stress on the vacuum maglev pipeline under large temperature difference conditions, thus extending the service life of the isolation chamber door.

Description

Technical Field

[0001] This invention relates to the field of vacuum magnetic levitation pipeline technology, specifically to an isolation chamber door for a vacuum magnetic levitation pipeline. Background Technology

[0002] Currently, high-speed maglev vacuum tubes are a new technology in an emerging industry. High-speed maglev trains operating at high speeds within a vacuum tube effectively reduce their running resistance. In related technologies, high-speed maglev tubes include a transition cabin and a main cabin, which are high-speed maglev vacuum tubes. An isolation door is installed between the transition cabin and the main cabin. This isolation door's function is to close and connect the two cabins, thereby transferring the maglev train from the external atmospheric environment to the vacuum environment of the main cabin. However, the isolation door is a crucial piece of equipment in the high-speed maglev vacuum tube, and its operating conditions directly affect the operation of the high-speed maglev train. Furthermore, the isolation door located between the transition cabin and the main cabin is susceptible to stress from large temperature differences. Therefore, this invention aims to provide an isolation door for vacuum maglev tubes. This isolation door has a simple structure, flexible operating conditions, and can adapt to the stress caused by large temperature differences, thereby improving its service life. Summary of the Invention

[0003] In order to overcome the technical problems described in the prior art, the present invention aims to provide an isolation chamber door for a vacuum magnetic levitation pipeline.

[0004] This invention provides an isolation hatch for a vacuum maglev pipeline, disposed between the transition cabin and the main cabin of the vacuum maglev pipeline. The isolation hatch includes...

[0005] The main housing has a through hole and an internal cavity;

[0006] A drive unit, which is movably installed within the cavity, and includes a connecting section and a sealing section connected together;

[0007] At least one set of compensators is located at one end of the main housing and has a first connecting rail inside;

[0008] The isolation hatch includes two operating modes.

[0009] In the first mode, the sealing section is moved to the through hole to isolate the transition compartment from the main compartment;

[0010] In the second mode, the connecting section is moved to the through hole to connect the transition compartment and the main compartment.

[0011] As a preferred technical solution, the compensator is a metal corrugated pipe compensator, which includes a metal corrugated body, with flanges provided on both ends of the metal corrugated body, and a limit rod movably installed between the flanges.

[0012] As a preferred technical solution, a first gap is provided between the first connecting rail and the track of the transition cabin or the track of the main cabin, and the first gap is 10-15mm.

[0013] As a preferred technical solution, the main housing is provided with a guide groove at least at the bottom, and the drive body is provided with a roller that moves within the guide groove at least at the bottom.

[0014] As a preferred technical solution, the isolation door further includes a drive motor and a first feeding mechanism that is connected to the drive motor in a transmission manner. The output end of the first feeding mechanism is connected to the drive vehicle to drive the drive body to reciprocate linearly within the main housing.

[0015] As a preferred technical solution, the sealing section includes a support frame and a second feeding mechanism disposed on one side of the support frame. The second feeding mechanism is connected to the drive motor. A sealing plate is installed at the output end of the second feeding mechanism to realize the function of fitting and separating the sealing plate relative to the transition chamber or the main chamber.

[0016] As a preferred technical solution, the connecting section is provided with a second connecting rail that can connect with the maglev track. When the isolation cabin door is operating in the first mode, a second gap is provided between the second connecting rail and the first connecting rail, and the second gap is 10-15mm.

[0017] As a preferred technical solution, the surface of the sealing plate is provided with a sealing gasket.

[0018] In summary, the present invention has the following technical effects:

[0019] This invention discloses an isolation chamber door for a vacuum maglev pipeline, disposed between the transition chamber and the main chamber of the vacuum maglev pipeline. It includes a main shell, a drive unit, and at least one set of compensators. The main shell has a through-hole and an internal cavity; the drive unit is movably installed within the cavity and includes a connecting section and a sealing section; at least one set of compensators is located at one end of the main shell and has a first connecting rail inside. Specifically, the isolation chamber door has two operating modes: in the first mode, the sealing section moves to the through-hole to isolate the transition chamber and the main chamber; in the second mode, the connecting section moves to the through-hole to connect the transition chamber and the main chamber. Using this isolation chamber door, the movement of the drive unit achieves the connection and isolation states of the vacuum maglev pipeline. This isolation chamber door has a simple structure and flexible operating condition adjustment; furthermore, the pipeline compensator can reduce the stress on the vacuum maglev pipeline under large temperature difference environments, improving the service life of the isolation chamber door. Therefore, compared with existing high-speed vacuum pipeline technology, the isolation chamber door for a vacuum maglev pipeline provided by this invention has significant technical advantages. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a first mode of an isolation chamber door for a vacuum magnetic levitation pipeline according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of a second mode of an isolation chamber door for a vacuum magnetic levitation pipeline according to an embodiment of the present invention;

[0023] Figure 3 This is a side view schematic diagram of an isolation chamber door for a vacuum magnetic levitation pipeline according to an embodiment of the present invention;

[0024] The meanings of the reference numerals in the attached figures are as follows:

[0025] Main housing, 11-guide groove; drive body, 21-connecting section, 211-second connecting rail, 22-sealing section, 221-support frame, 222-sealing plate, 23-roller; metal corrugated pipe compensator, 31-metal corrugated body, 32-flange; 4-drive motor, 41-first feed mechanism, 42-second feed mechanism. Detailed Implementation

[0026] The technical solution of this embodiment will be clearly and completely described below with reference to the accompanying drawings. The embodiments described herein are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. Therefore, it should be understood that various modifications and changes can be made to this embodiment without departing from the scope of protection of the present invention.

[0027] In the description of this invention, unless otherwise expressly specified and limited, the term "and / or" includes any and all combinations of one or more of the associated listed items. Unless otherwise specified or stated, the terms "connection," "fixed," etc., should be interpreted broadly; for example, "connection" can be a fixed connection, a detachable connection, an integral connection, an electrical connection, or a signal connection; "connection" can be a direct connection or an indirect connection via an intermediate medium. Those skilled in the art will understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0028] Furthermore, in the description of this invention, it should be understood that the directional terms described in this embodiment are used to describe the angles shown in the accompanying drawings and should not be construed as limiting this embodiment. It should also be understood that, in the context of this invention, when an element or feature is mentioned as being connected to another element (one or more), it can be connected not only directly to the other element (one or more), but also indirectly to the other element (one or more) through an intermediate element.

[0029] Before introducing the technical solution of this invention, it is necessary to explain the background of its creation. It is common practice for high-speed maglev pipelines to include a transition cabin and a main cabin, which are high-speed maglev vacuum pipelines. An isolation door is provided between the transition cabin and the main cabin. The function of this isolation door is to achieve both closing and connection between the two cabins, thereby enabling the maglev train to be transferred from the external atmospheric environment to the vacuum environment of the main cabin. However, the isolation door is a crucial piece of equipment in high-speed maglev vacuum pipelines, and its operating conditions directly affect the operation of the high-speed maglev train. Furthermore, the isolation door located between the transition cabin and the main cabin is susceptible to stress from large temperature differences. Therefore, this invention aims to provide an isolation door for vacuum maglev pipelines.

[0030] Please see Figure 1 and Figure 2An exemplary embodiment of the present invention provides an isolation hatch for a vacuum maglev pipeline, which is disposed between the transition cabin and the main cabin of the vacuum maglev pipeline, and includes a main shell 1, a drive body 2, and at least one set of compensators. The main shell 1 has a through hole and an internal cavity. It should be understood that this through hole serves as a connection window to connect the main shell 1 with the transition cabin and the main cabin. The drive body 2 is movably installed within the cavity and includes a connected section 21 and a sealing section 22. It should be understood that the connected section 21 and the sealing section 22 can be connected by several connecting rods, which is not specifically limited in this invention. At least one set of compensators is disposed at one end of the main shell 1 and has a first connecting rail inside. Specifically, the isolation hatch includes two operating modes: in the first mode, the sealing section 22 moves to the through hole to isolate the transition cabin and the main cabin; in the second mode, the connecting section 21 moves to the through hole to connect the transition cabin and the main cabin.

[0031] It should be noted that, as Figure 3 As shown, in some other embodiments, compensators are provided at both ends of the main shell 1. The transition chamber and main chamber of the vacuum maglev pipeline undergo thermal expansion and contraction under large temperature differences, resulting in slight changes in the pipeline length. If this change is not compensated for in a timely manner, stress will be generated inside the pipeline, affecting the isolation chamber door and adversely impacting the stability and safety of the vacuum maglev pipeline system. By providing compensators at both ends of the main shell 1, the transition chamber and main chamber can freely expand or contract when the temperature changes, effectively reducing the impact of the aforementioned stress on the isolation chamber door and improving the service life of the vacuum pipeline isolation chamber door.

[0032] Furthermore, in some embodiments, a first gap of 10-15 mm is provided between the first connecting rail and the track of the transition cabin or the track of the main cabin. Even further, a second connecting rail 211 capable of connecting with the maglev track is provided within the connecting section 21. When the isolation cabin door operates in the first mode, a second gap of 10-15 mm is provided between the second connecting rail 211 and the first connecting rail. The aforementioned first and second gaps are provided to accommodate the thermal expansion and contraction of the rails, allowing for pre-reserved rail gaps at the rail joints.

[0033] In some embodiments, please refer to Figure 3The compensator is a corrugated metal pipe compensator 3, which includes a corrugated metal body 31. Flanges 32 are provided on both ends of the corrugated metal body 31, and a limit rod is movably installed between the flanges 32. The corrugated metal pipe compensator 3 has good elasticity and can freely expand and contract within a certain range, thereby absorbing the thermal expansion and contraction effect of the pipeline caused by temperature changes, reducing stress concentration, and protecting the pipeline from damage. The corrugated metal body 31, through its unique corrugated structure design, can undergo elastic deformation when pressure fluctuates, thereby absorbing and compensating for changes in pipeline length and maintaining system stability. Furthermore, the corrugated metal pipe compensator 3 is easy to install and has a compact structure. The flanges 32 on both ends of the corrugated metal body 31 are used to connect the main shell 1 and the transition compartment or main compartment. In addition, the corrugated metal pipe compensator 3 also has excellent high-temperature performance and fatigue resistance, enabling it to operate normally in high-temperature environments. Its fatigue resistance ensures that the corrugated metal pipe compensator 3 is not prone to fatigue failure during long-term use, ensuring the safe operation of the train within the vacuum maglev pipeline.

[0034] Please see Figure 1 and Figure 2 The main housing 1 and the drive body 2 will be described below:

[0035] In some embodiments, the main housing 1 has a guide groove 11 at least at its bottom, and the driving body 2 has a roller 23 that moves within the guide groove 11 at least at its bottom. Specifically, in this embodiment, as... Figure 1 and Figure 2 As shown, guide grooves 11 are provided at both the bottom and top of the main housing 1, and rollers 23 that move within the guide grooves 11 are provided at both the bottom and top of the drive body 2. This motion guiding mechanism design allows the drive body 2 to smoothly switch between different working modes. Preferably, in some embodiments, the isolation door further includes a drive motor 4 and a first feeding mechanism 41 that is drively connected to the drive motor 4. The output end of the first feeding mechanism 41 is connected to the drive vehicle to drive the drive body 2 to reciprocate linearly within the main housing 1. As an optional implementation, such as... Figure 1 and Figure 2 As shown, the drive motor 4 is located on one side of the main housing 1. The first feed mechanism 41 is specifically a ball screw mechanism. The drive motor 4 serves as the power source to provide rotational motion for it. The output end of the first feed mechanism 41, i.e. the nut of the ball screw mechanism, is fixedly connected to the drive body 2. When the screw rotates, the nut moves along the spiral line to drive the drive body 2 to reciprocate linearly within the main housing 1.

[0036] In some embodiments, the sealing section 22 includes a support frame 221 and a second feeding mechanism 42 disposed on one side of the support frame 221. The second feeding mechanism 42 is connected to the drive motor 4, and a sealing plate 222 is installed at the output end of the second feeding mechanism 42 to realize the function of fitting and separating the sealing plate 222 relative to the transition chamber or the main chamber. As an optional embodiment, the support frame 221 is composed of several crossbars and uprights to form the main body of the sealing section 22. The second feeding mechanism 42 can be a telescopic assembly formed by several telescopic cylinder structures. One end of the telescopic cylinder is connected to the support frame 221, and the other end of the telescopic cylinder is connected to the sealing plate 222. The telescopic cylinder is fed by the drive motor 4 to realize the function of fitting and separating the sealing plate 222 relative to the transition chamber or the main chamber. Preferably, in some embodiments, a sealing gasket is provided on the surface of the sealing plate 222 so that when the sealing plate 222 is fitted relative to the transition chamber or the main chamber, the sealing gasket can further ensure the sealing performance.

[0037] Therefore, the specific operating mode of this isolation chamber is as follows:

[0038] In the first mode, the first feeding mechanism 41 drives the sealing section 22 to move to the through hole, and the second feeding mechanism 42 drives the sealing plate 222 to fit against the transition chamber or the main chamber to achieve the fitting function, so as to isolate the transition chamber and the main chamber, and evacuate the transition chamber and the main chamber separately.

[0039] In the second mode, the second feeding mechanism 42 drives the sealing plate 222 to separate from the transition compartment or the main compartment, and the first feeding mechanism 41 drives the connecting section 21 to move to the through hole to connect the transition compartment and the main compartment, so as to transfer the maglev train in the transition compartment to the main compartment.

[0040] In summary, the aforementioned isolation chamber, achieved through the movement of the drive unit, enables the connection and isolation of the vacuum maglev pipeline. This isolation chamber has a simple structure and flexible operating condition adjustment. Furthermore, the pipeline compensator reduces stress on the vacuum maglev pipeline under large temperature differences, extending the service life of the isolation chamber. Therefore, compared to existing high-speed vacuum pipeline technologies, the isolation chamber for vacuum maglev pipelines provided by this invention has significant technical advantages.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An isolation hatch for a vacuum maglev pipeline, located between the transition cabin and the main cabin of the vacuum maglev pipeline, characterized in that, The isolation hatch includes, The main housing has a through hole and an internal cavity; The drive unit is movably installed in the cavity and includes a connecting section and a sealing section connected together. The connecting section is provided with a second connecting rail that can connect with the maglev track. At least one set of compensators is provided at one end of the main housing and has a first connecting rail inside. A first gap is provided between the first connecting rail and the rail of the transition chamber or the rail of the main housing. The compensator is a metal corrugated pipe compensator. The metal corrugated pipe compensator includes a metal corrugated body. Flanges are provided on both ends of the metal corrugated body. A limit rod is movably installed between the flanges. The isolation hatch includes two operating modes. In the first mode, the sealing section is moved to the through hole to isolate the transition compartment from the main compartment; In the second mode, the connecting section is moved to the through hole to connect the transition compartment and the main compartment; When the isolation door is operating in the first mode, a second gap is provided between the second connecting rail and the first connecting rail; The isolation door also includes a drive motor and a first feeding mechanism that is connected to the drive motor. The output end of the first feeding mechanism is connected to the drive vehicle to drive the drive body to reciprocate linearly within the main housing. The sealing section includes a support frame and a second feeding mechanism located on one side of the support frame. The second feeding mechanism is connected to the drive motor. A sealing plate is installed at the output end of the second feeding mechanism to realize the function of fitting and separating the sealing plate relative to the transition chamber or the main chamber.

2. The isolation hatch according to claim 1, characterized in that, The first gap is 10-15mm.

3. The isolation hatch according to claim 1, characterized in that, The main housing has a guide groove at least at the bottom, and the drive body has a roller that moves within the guide groove at least at the bottom.

4. The isolation hatch according to claim 1, characterized in that, The second gap is 10-15mm.

5. The isolation hatch according to claim 1, characterized in that, The sealing plate has a sealing gasket on its surface.

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