Pneumatic driving device and pneumatic driving shielding door

Abstract

The utility model relates to a pneumatic driving device and a pneumatic driving shielding door, and relates to the technical field of shielding doors, the main structure of the pneumatic driving device comprises a door machine beam bottom plate, and a first air storage tank, an air cylinder, an electromagnetic valve, a belt, a left belt clamp, a right belt clamp and the like which are arranged on the door machine beam bottom plate; the first air storage tank is connected with the air cylinder through a hose, and a piston push rod of the air cylinder is connected with the left belt clamp. The electromagnetic valve is connected with the air cylinder; one end of the left belt clamp and one end of the right belt clamp are connected with the belt, and the other ends of the left belt clamp and the right belt clamp are connected with a door body. The pneumatic driving device is mainly driven by a mechanical structure, the risk of generating potential fire sources such as electric sparks is low, and the pneumatic driving device has higher safety. And secondly, a pneumatic driving system is mainly mechanical, the structure is relatively simple, and maintenance and repair are relatively convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shielding door technical field especially relates to a pneumatic drive device and pneumatic drive shielding door. BACKGROUND

[0002] Platform Screen Doors is a facility installed at the edge of the subway platform, which separates the track from the waiting area. Its main function is to protect the safety of passengers, prevent passengers from accidentally falling into the track, and also reduce the noise and piston wind generated by train operation on the waiting environment, and also save energy and reduce the operation energy consumption of the station air conditioning and ventilation system.

[0003] Electric drive shielding door is a facility that drives the opening and closing of the shielding door by using electricity as the power source. This shielding door system is usually composed of a motor, a transmission device, a control system, etc.

[0004] With the development of subway technology, today's subway shielding doors are mostly driven by electricity. Electric drive can produce potential fire sources such as electric sparks, and has low safety. Secondly, the system structure of electric drive is complex, and it is difficult to maintain and repair. INVENTION CONTENTS

[0005] The utility model provides a kind of pneumatic drive device and pneumatic drive shielding door to solve at least one technical problem in the above background technology.

[0006] In the first aspect, the utility model provides a kind of pneumatic drive device, the pneumatic drive device includes door machine beam bottom plate and is located on the first gas storage tank, air cylinder, solenoid valve, belt, left belt clamp and right belt clamp of the door machine beam bottom plate;The first gas storage tank is connected with the air cylinder, and the piston push rod of the air cylinder is connected with the left belt clamp;The solenoid valve is connected with the air cylinder;The left belt clamp and the right belt clamp are connected with the belt at one end, and are connected with door body at the other end.

[0007] Further technical solutions are that the pneumatic drive device further includes two belt pulleys, and the belt is wound and tensioned between the two belt pulleys.

[0008] Further technical solutions are that the pneumatic drive device further includes C-shaped guide rail and suspension, the suspension is embedded in the C-shaped guide rail, and is connected with the door body.

[0009] Further technical solutions are that the solenoid valve is a five-position two-way solenoid valve, and the five-position two-way solenoid valve is connected with the air cylinder and the first gas storage tank.

[0010] Further, the pneumatic driving device further comprises an isolation valve, an emergency valve and an emergency isolation device; the isolation valve is connected with the first gas tank, the emergency valve is connected with the isolation valve, and the emergency isolation device is connected with the emergency valve.

[0011] Further, the pneumatic driving device further comprises a limiting block, an obstacle detecting device, a door closing to position switch assembly and a wire binding support; the limiting block is installed at both ends of the door machine beam bottom plate; the obstacle detecting device is installed on the door machine beam bottom plate and located at one side of the door machine beam; the door closing to position switch assembly is installed on the door machine beam bottom plate and located at the middle part of the door machine beam; and the wire binding support is arranged on the door machine beam bottom plate.

[0012] Further, the pneumatic driving device further comprises a PCB control box, which is connected with the five-position two-way electromagnetic valve, the obstacle detecting device and the door closing to position switch assembly.

[0013] Further, the pneumatic driving device further comprises an air compressor, an air preparation module and a second gas tank; the air compressor is connected with the air preparation module, the air preparation module is connected with the second gas tank, and the second gas tank is connected with the first gas tank.

[0014] Further, the pneumatic driving device further comprises an air compressor control box and a power supply box; the power supply box is connected with the air compressor and the air preparation module, and the air compressor control box is connected with the air compressor and the air preparation module.

[0015] In the second aspect, the utility model provides a kind of pneumatic drive shield door, and the pneumatic drive shield door includes the pneumatic driving device as described in the first aspect.

[0016] Compared with prior art, the above technical solution provided by the embodiments of the utility model has the following advantages:

[0017] In the embodiments of the utility model, the pneumatic driving device includes a door machine beam bottom plate and a first gas tank, a cylinder, a belt, a left belt clamp and a right belt clamp arranged on the door machine beam bottom plate; the first gas tank is connected with the cylinder, the piston push rod of the cylinder is connected with the left belt clamp; one end of the left belt clamp and the right belt clamp is connected with the belt, and the other end is connected with the door body. The pneumatic driving device is mainly driven by mechanical structure, and the potential fire source risk such as electric spark is lower, so it has higher safety. Secondly, the system driven by air force is mainly mechanical, and the structure is relatively simple, so it is more convenient to maintain and repair.

[0018] In addition, air is a widely existing and easily accessible resource, so that the cost of air drive is relatively low. Therefore, the research on air drive has important significance for the replacement and maintenance of the existing pneumatic subway platform screen door. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings incorporated in the specification and forming a part thereof illustrate embodiments of the present application and, together with the description, serve to explain the principles of the application.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative labor.

[0021] One or more embodiments are exemplarily illustrated by the pictures in the drawings corresponding thereto, which do not constitute a limitation on the embodiments. The elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified. The drawings in the drawings do not constitute a proportional limitation.

[0022] Fig. 1 A structural schematic view of a pneumatic drive device provided by the embodiments of the present application;

[0023] Fig. 2 A structural schematic view of a gas source room equipment of a pneumatic drive device provided by the embodiments of the present application.

[0024] Explanation of reference numerals:

[0025] Door machine beam bottom plate 1, limiting block 2, C-shaped guide rail 3, belt pulley 4, suspension 5, left belt clamp 6, right belt clamp 7, obstacle detection device 8, wire binding support 9, five-position two-way electromagnetic valve 10, air cylinder 11, first gas storage tank 12, isolation valve 13, pressure regulating valve 14, emergency valve 15, isolation device 16, door closing to position switch assembly 17, belt 18, PCB control box 19, air compressor control box 20, power supply box 21, air preparation module 22, second gas storage tank 23, air compressor 24. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0027] The disclosure below provides many different embodiments or examples for implementing various configurations of the application. For the sake of simplicity, the description below does not mention specific examples of components and arrangements. Of course, they are merely examples and are not intended to limit the application. In addition, the application can refer to reference numbers and / or letters in different examples. Such repetition is for the purpose of simplicity and clarity, and does not indicate a relationship between the various embodiments and / or arrangements discussed.

[0028] For ease of description, spatial relative terms can be used in the text to describe the relative position relationship or movement of one element or feature with respect to another element or feature as shown in the figure, such as "inner", "outer", "inboard", "outboard", "under", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is flipped over or changes in posture or changes in motion state, the directional indications will also change accordingly, for example: the element described as "under" or "below" other elements or features will be oriented as "above" or "above" other elements or features. Therefore, the example term "below" can include both the above and below positions. The device can be additionally oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used in the text are interpreted accordingly.

[0029] To solve the technical problems of low safety and difficult maintenance and repair of the prior art, the utility model provides a kind of pneumatic drive device and pneumatic drive shield door, and pneumatic drive device is mainly driven by mechanical structure, and the risk of potential fire source such as electric spark is relatively low, with higher safety.Secondly, the system of pneumatic drive is mainly mechanical, and the structure is relatively simple, and maintenance and repair are more convenient.

[0030] Referring to Figs. 1-2 The pneumatic drive device provided by the embodiment of the utility model, the pneumatic drive device includes door machine beam bottom plate and first gas storage tank 12, air cylinder 11, electromagnetic valve, belt 18, left belt clamp 6 and right belt clamp 7 arranged on the door machine beam bottom plate.The specific structure is introduced as follows:

[0031] The first gas tank 12 is connected with the gas cylinder 11 through a hose, and the piston push rod of the gas cylinder 11 is connected with the belt 18 through the left belt clamp 6; the uppermost end of the left belt clamp 6 is connected with the gas cylinder 11, the middle part is connected with the belt 18, and the lower end is connected with the door body; one end of the right belt clamp 7 is connected with the belt 18, and the other end is connected with the door body.

[0032] Specifically, the door machine beam bottom plate can be an aluminum plate for mounting various components of the shielding door. The gas cylinder 11 is driven by compressed gas to realize the piston return motion. The first gas tank 12 is used for storing compressed gas and providing power for the gas cylinder 11. The belt 18 is a component for transmitting the power of the gas cylinder 11. The uppermost end of the left belt clamp 6 is connected with the gas cylinder 11, the middle part is connected with the belt 18, and the lower end is connected with the door body. One end of the right belt clamp 7 is connected with the belt 18, and the other end is connected with the door body. The left and right belt clamps 6 and 7 are installed on the upper and lower sides of the belt 18 and are connected with the left and right door bodies respectively. The left and right belt clamps 6 and 7 are used to transmit the power of the gas cylinder 11 and drive the left and right door bodies to move, thereby realizing the opening and closing actions.

[0033] Specifically, the left belt clamp 6 is connected with the upper end of the belt 18, and the right belt clamp 7 is connected with the lower end of the belt 18. During the movement, the belt 18 is connected to form a ring through the two belt pulleys 4, so that the upper part of the belt 18 and the lower part of the belt 18 move in opposite directions. The left and right belt clamps are connected with the upper part and the lower part of the belt 18 respectively, so that the movement directions are opposite. Therefore, the movement directions of the door bodies are opposite, thereby driving the left and right door bodies to move and realizing the opening and closing actions.

[0034] In the embodiment of the utility model, pneumatic drive device includes door machine beam bottom plate and first gas tank 12, gas cylinder 11, belt 18, left belt clamp 6 and right belt clamp 7 set on the door machine beam bottom plate, first gas tank 12 is connected with gas cylinder 11 through hose, and the piston push rod of gas cylinder 11 is connected with belt 18 through left belt clamp 6, one end of left belt clamp 6 and right belt clamp 7 is connected with belt 18, and the other end is connected with door body. The pneumatic drive device is mainly driven by mechanical structure, and the risk of generating potential fire sources such as electric sparks is lower, so it has higher safety. Secondly, the system driven by gas force is mainly mechanical, and the structure is relatively simple, so it is convenient to maintain and repair.

[0035] Further, in some embodiments, for example in the embodiment, the pneumatic drive device further comprises two belt pulleys 4, and the belt 18 is wound and tensioned between the two belt pulleys 4. Specifically, the belt pulley 4 is connected with the belt 18 and is a mechanical component for transmitting the power of the gas cylinder 11.

[0036] Further, in some embodiments, such as the present embodiment, the pneumatic driving device further comprises a C-shaped guide rail and a suspension 5, the suspension 5 is embedded in the C-shaped guide rail and connected with the door body. Specifically, the C-shaped guide rail 3 is a guide rail for installing the suspension 5 and ensuring smooth movement of the door body in the horizontal direction; the suspension 5 is a component for connecting the door body and ensuring smooth movement of the left and right door bodies along the guide rail in the horizontal direction.

[0037] Further, in some embodiments, such as the present embodiment, the electromagnetic valve is a five-position two-way electromagnetic valve 10, which is connected with the air cylinder 11 and the first gas tank 12. Specifically, the five-position two-way electromagnetic valve 10 is a pneumatic component for controlling the reciprocating action of the air cylinder 11; the air cylinder 11 is driven by compressed gas to realize reciprocating movement of the piston.

[0038] Further, in some embodiments, such as the present embodiment, the pneumatic driving device further comprises an isolation valve 13, an emergency valve 15 and an emergency isolation device 16; the isolation valve 13 is connected with the first gas tank 12, the emergency valve 15 is connected with the isolation valve 13, and the emergency isolation device 16 is connected with the emergency valve 15. Specifically, the isolation valve 13 is a device for releasing gas in the gas tank in an emergency or maintenance situation, so that the system loses power; the emergency valve 15 is a pneumatic element for controlling the action of the isolation valve 13; the emergency isolation device 16 is a device for releasing gas in the gas tank in an emergency or maintenance situation, by manually operating the handle to control the action of the emergency valve 15, and then control the isolation valve 13, and finally release the gas in the gas tank, so that the system loses power. Further, the pneumatic driving device further comprises a pressure regulating valve 14, which is connected with the first gas tank 12 for adjusting the gas pressure in the first gas tank 12, thereby indirectly adjusting the force of opening and closing the door.

[0039] Further, in some embodiments, such as the present embodiment, the pneumatic drive device further comprises a limiting block 2, an obstacle detection device 8, a door closing to position switch assembly 17, and a wire binding support 9. The limiting block 2 is installed at both ends of the door machine beam bottom plate. The obstacle detection device 8 is installed on the door machine beam bottom plate and located at one side of the door machine beam. The door closing to position switch assembly 17 is installed on the door machine beam bottom plate and located at the middle of the door body, specifically the middle of the door machine beam. The wire binding support 9 is provided on the door machine beam bottom plate. Specifically, the limiting block 2 is installed at both ends of the door machine beam bottom plate and used to limit the stroke of the door body during movement to prevent damage to the air cylinder 11. The wire binding support 9 is a mechanical component for fixing the wire slot and standardizing the wiring. The obstacle detection device 8 is installed on the left side of the door machine beam and used to detect whether the door body encounters an obstacle during movement and make corresponding switch actions according to the situation of encountering an obstacle, thereby ensuring the safety of the door body during operation. The door closing to position switch assembly 17 is used to detect whether the door body is closed tightly.

[0040] Further, in some embodiments, such as the present embodiment, the pneumatic drive device further comprises a PCB control box 19 connected with the five-position two-way electromagnetic valve, the obstacle detection device 8, and the door closing to position switch assembly 17. The PCB control box 19 is used to control the entire pneumatic drive shielding door device.

[0041] Further, in some embodiments, such as the present embodiment, the pneumatic drive device further comprises an air compressor 24, an air preparation module 22, a second air tank 23, an air compressor control box 20, and a power supply box 21. The air compressor 24 is connected with the air preparation module 22. The air preparation module 22 is connected with the second air tank 23. The second air tank 23 is connected with the first air tank 12.

[0042] The power supply box 21 is connected with the air compressor 24 and the air preparation module 22. The air compressor control box 20 is connected with the air compressor 24 and the air preparation module 22.

[0043] Specifically, the air compressor control box 20 is a control box used to control the start and stop of the air compressor 24 and also control the action of the air preparation module 24 according to the action of the air compressor 24. The air compressor 24 is a pneumatic device used to compress air. The power supply box 21 is a box used to provide power supply for the control box, the air compressor 24, and the air preparation module 22. The air preparation module 22 is a pneumatic device used to cool, filter, and dry the compressed air compressed by the air compressor 24. The second air tank 23 is a pneumatic element used to store the compressed air processed by the air preparation module 22.

[0044] The process of realizing the door body action is as follows:

[0045] The power supply is provided by the power box 21, the air compressor control box 20 controls the start of the air compressor 24, then the air compressor 24 starts to compress air, and the air is transmitted to the air preparation module 22 for cooling, filtering and drying, the treated gas is stored in the second gas storage tank 23, and finally transported to the pneumatic driving device.

[0046] The pneumatic driving device receives compressed air from the air source room and stores it in the first gas storage tank 12 of the pneumatic driving device, then transmits it to the air cylinder 11 through the five-position two-way electromagnetic valve 10, and drives the piston of the air cylinder 11 to move. The air cylinder 11 drives the reciprocating motion of the belt 18 through the belt clamp assembly, and the belt clamp (including the left belt clamp 6 and the right belt clamp 7) is connected with the door body, so that the opening and closing movement of the door body is realized.

[0047] The utility model discloses an embodiment of the pneumatic driving shield door, which comprises the pneumatic driving device as described in any of the above embodiments.

[0048] In the embodiment of the utility model, the pneumatic driving shield door is mainly driven by a mechanical structure, and the risk of generating potential fire sources such as electric sparks is relatively low, so it has higher safety. Secondly, the pneumatic driving system is mainly mechanical, and the structure is relatively simple, so it is convenient to maintain and repair.

[0049] In addition, air is a widely existing and easily accessible resource, so the cost of pneumatic driving is relatively low. Therefore, the research on pneumatic driving has important significance for the replacement and maintenance of existing pneumatic subway shield doors.

[0050] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0051] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0052] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically defined otherwise.

[0053] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connection", "fixed", and the like should be interpreted broadly, for example, can be connected, or can be detachable, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] In the present application, unless specifically defined and limited otherwise, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and oblique above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical direction of the first feature below and oblique below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0055] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0056] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are within the scope of the claims of the present application and its equivalent technologies, and the present application also intends to include these modifications and variations.

[0057] The above describes the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A pneumatic drive device characterized by comprising: The door machine beam bottom plate and the first gas tank, the cylinder, the electromagnetic valve, the belt, the left belt clamp and the right belt clamp arranged on the door machine beam bottom plate are included; the first gas tank is connected with the cylinder, the piston push rod of the cylinder is connected with the left belt clamp; the electromagnetic valve is connected with the cylinder; one end of the left belt clamp and the right belt clamp is connected with the belt, and the other end is connected with the door body.

2. A pneumatic drive device according to claim 1, characterized in that The pneumatic drive device further comprises two belt pulleys, and the belt is wound and tensioned between the two belt pulleys.

3. The air drive device of claim 1, wherein The pneumatic drive device further comprises a C-shaped guide rail and a suspension, the suspension is embedded in the C-shaped guide rail, and is connected with the door body.

4. The air drive device of claim 1, wherein The electromagnetic valve is a five-position two-way electromagnetic valve, and the five-position two-way electromagnetic valve is connected with the cylinder and the first gas tank.

5. A pneumatic drive device according to claim 4, characterised in that The pneumatic drive device further comprises an isolation valve, an emergency valve and an emergency isolation device; the isolation valve is connected with the first gas tank, the emergency valve is connected with the isolation valve, and the emergency isolation device is connected with the emergency valve.

6. A pneumatic drive device according to claim 5, characterised in that The pneumatic drive device further comprises a limiting block, an obstacle detection device, a door closing to position switch assembly and a wire binding support, both ends of the door machine beam bottom plate are provided with the limiting block; the obstacle detection device is installed on the door machine beam bottom plate and located on one side of the door machine beam; the door closing to position switch assembly is installed on the door machine beam bottom plate and located in the middle of the door machine beam; the wire binding support is arranged on the door machine beam bottom plate.

7. A pneumatic drive device according to claim 6, characterised in that The pneumatic drive device further comprises a PCB control box, and the PCB control box is connected with the five-position two-way electromagnetic valve, the obstacle detection device and the door closing to position switch assembly.

8. The air drive device of claim 1, wherein The pneumatic drive device further comprises an air compressor, an air preparation module and a second gas tank; the air compressor is connected with the air preparation module, the air preparation module is connected with the second gas tank, and the second gas tank is connected with the first gas tank.

9. A pneumatic drive device according to claim 8, characterised in that The pneumatic drive device further comprises an air compressor control box and a power supply box, the power supply box is connected with the air compressor and the air preparation module, and the air compressor control box is connected with the air compressor and the air preparation module.

10. A pneumatically driven screen door characterized by, The pneumatic drive shield door comprises the pneumatic drive device according to any one of claims 1-9.

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