Integrated valve plate structure for pantograph lifting and lowering control of rail vehicles

Abstract

Provided is a pantograph raising and lowering pantograph control integrated valve plate structure for rail vehicles. The present invention firstly highly integrates and installs electromagnetic valves, plug gates, pipelines and other components on an air circuit board, realizes modular installation, improves the convenience of operation of the pantograph raising and lowering control device for rail vehicles, reduces the occupation of vehicle space, saves installation space, has beautiful effects, and is clear and convenient to operate; improves versatility, can be modularly mass-produced, and is suitable for different vehicle models. This valve plate integrates emergency pantograph raising plug gate III and emergency pantograph lowering plug gate IV, and is provided with a manual exhaust port, so that the valve plate has automatic and manual pantograph raising and lowering functions and emergency pantograph raising and lowering control functions; and only one two-position three-way electromagnetic valve is used, and the air supply source only comes from the total air, and there is no need to control the pantograph raising and lowering control air cylinder interface and auxiliary compressor and other components, which simplifies the control structure and reduces the manufacturing cost.

Description

Technical Field

[0001] The invention belongs to the technical field of pantograph raising and lowering control for a rail vehicle, and in particular relates to an integrated valve plate structure for pantograph raising and lowering control for a rail vehicle. Background Art

[0002] The pantograph lifting control of rail engineering vehicles is realized by a cylinder through compressed air. Considering the working conditions where the electric control method may fail, a manual emergency pantograph lifting control method needs to be configured; the connection and installation of the original pipeline and the ball valve have the problems of occupying a lot of space, inconvenient operation, and unsightly installation. Among them, the patent "Pantograph lifting control device and locomotive brake cabinet, CN201320349135.X" discloses an integrated pantograph lifting control device. The patent control method does not have the manual emergency pantograph lifting function, and the air supply source requires a main air duct, a lifting control air cylinder and an auxiliary compressor control, which has a complex structure and high manufacturing cost. In order to improve the convenience of operation and installation aesthetics of the pantograph lifting control device of rail vehicles and reduce the space occupied by the vehicle, the present invention starts from the principle of the control device and designs a smaller air circuit board, and integrates the control solenoid valve and the associated ball valve on a gas circuit board. Summary of the invention

[0003] The technical problem solved by the present invention is as follows: a pantograph raising and lowering control integrated valve plate structure for a rail vehicle is provided. Starting from the principle of a control device, the present invention designs a smaller air circuit board, and integrates a control solenoid valve and an associated plug valve on an air circuit board, thereby improving the convenience of operation and aesthetics of the pantograph raising and lowering control device for rail vehicles, reducing the space occupied by the vehicle, and solving the problems of the original control scheme of rail vehicles occupying a large space and being inconvenient to operate.

[0004] The technical solution adopted by the present invention is as follows: the pantograph raising and lowering pantograph control integrated valve plate structure of the rail vehicle includes an air circuit board, on the upper surface of which are integratedly mounted an electromagnetic valve air inlet plug door I, an electromagnetic valve air outlet plug door II, an emergency pantograph raising plug door III, an emergency pantograph lowering plug door IV, and a two-position three-way electromagnetic valve, and a concealed air passage is arranged inside the air circuit board; one end of the electromagnetic valve air inlet plug door I is connected to the total air through the concealed air passage, and the other end of the electromagnetic valve air inlet plug door I is connected to the two-position three-way electromagnetic valve through the concealed air passage One end of the solenoid valve is connected, and the other end of the two-position three-way solenoid valve is connected to one end of the solenoid valve air outlet plug door II through a concealed air path, and the other end of the solenoid valve air outlet plug door II is connected to the pantograph through a concealed air path; one end of the emergency bow raising plug door III is connected to the total air through a concealed air path, and the other end of the emergency bow raising plug door III is connected to the pantograph through a concealed air path, one end of the emergency bow lowering plug door IV is connected to the pantograph through a concealed air path, and the other end of the emergency bow lowering plug door IV is connected to the atmosphere.

[0005] To further limit the above technical solution, the solenoid valve air inlet plug door I, the solenoid valve air outlet plug door II, the emergency bow raising plug door III, and the emergency bow lowering plug door IV are all plate-type plug doors.

[0006] As a further limitation of the above technical solution, the two-position three-way solenoid valve is a normally closed solenoid valve.

[0007] To further limit the above technical solution, one side of the air circuit plate is provided with an air inlet connected to the concealed air circuit, and the air inlet is used to connect to the main air outlet; the other side of the air circuit plate is provided with an air outlet connected to the concealed air circuit, and the air outlet is used to connect to the pantograph.

[0008] To further limit the above technical solution, an exhaust port is provided on one side of the air circuit plate, and a manual exhaust port is provided on the other side of the air circuit plate, and the exhaust port and the manual exhaust port are connected to a two-position three-way solenoid valve through a concealed air path.

[0009] As a further limitation of the above technical solution, the four corners of the air circuit board are provided with pantograph control module mounting holes which are fixedly connected to the mounting seat via threaded connectors.

[0010] The advantages of the present invention compared with the prior art are:

[0011] 1. Starting from the principle of the control device, this scheme designs a smaller gas circuit board, and highly integrates the solenoid valve, plug gate, pipeline and related ball valve on a gas circuit board, realizing modular installation, improving the convenience of operation of the pantograph lifting control device of the rail vehicle, reducing the occupation of vehicle space, solving the problems of the original control scheme of the rail vehicle occupying a large space and inconvenient operation, saving installation space, beautiful effect, clear and convenient operation; improving versatility, modular mass production, suitable for different models;

[0012] 2. This solution integrates the installation of emergency bow raising plug door III, emergency bow lowering plug door IV, and is equipped with a manual exhaust port, so that the valve plate has automatic and manual bow raising and lowering functions and emergency bow raising and lowering control functions;

[0013] 3. The blind air passage in this scheme is made by drilling holes directly with a drill bit, and after the production is completed, the process hole is sealed with a plug, which is convenient and simple to process and has low processing cost;

[0014] 4. This solution only uses one two-position three-way solenoid valve, and the air supply source comes only from the total air. There is no need to control the lifting bow to control the air cylinder interface and auxiliary compressor and other components, which simplifies the control structure and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the assembly structure of the pantograph lifting control module of the present invention;

[0016] Figure 2 It is a right view of the assembly structure of the pantograph lifting control module of the present invention;

[0017] Figure 3 It is a structural front view of the air circuit plate for the pantograph lifting control of the present invention;

[0018] Figure 4 It is a left view of the structure of the air circuit plate for the pantograph lifting control of the present invention;

[0019] Figure 5 The right side view of the structure of the gas circuit board for the pantograph lifting control of the present invention

[0020] Figure 6 This is a schematic diagram of the pantograph lifting control module of the present invention. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] See also Figure 1-6 , details of the embodiments of the present invention.

[0024] Rail vehicle pantograph lifting and lowering pantograph control integrated valve plate structure, such as Figure 1 and 2As shown, it includes an air circuit board 6, on the upper surface of which are integratedly mounted a solenoid valve air inlet plug door Ⅰ1, a solenoid valve air outlet plug door Ⅱ2, an emergency bow raising plug door Ⅲ3, an emergency bow lowering plug door Ⅳ4, and a two-position three-way solenoid valve 5, and a dark air passage 6-1 is arranged inside the air circuit board 6; one end of the solenoid valve air inlet plug door Ⅰ1 is connected to the total air through the dark air passage 6-1, and the other end of the solenoid valve air inlet plug door Ⅰ1 is connected to one end of the two-position three-way solenoid valve 5 through the dark air passage 6-1, and the two-position three-way The other end of the solenoid valve 5 is connected to one end of the solenoid valve outlet plug gate Ⅱ2 through the concealed air path 6-1, and the other end of the solenoid valve outlet plug gate Ⅱ2 is connected to the pantograph through the concealed air path 6-1; one end of the emergency bow raising plug gate Ⅲ3 is connected to the total air through the concealed air path 6-1, and the other end of the emergency bow raising plug gate Ⅲ3 is connected to the pantograph through the concealed air path 6-1, one end of the emergency bow lowering plug gate Ⅳ4 is connected to the pantograph through the concealed air path 6-1, and the other end of the emergency bow lowering plug gate Ⅳ4 is open to the atmosphere.

[0025] The solenoid valve air inlet plug door Ⅰ1, the solenoid valve air outlet plug door Ⅱ2, the emergency bow raising plug door Ⅲ3, and the emergency bow lowering plug door Ⅳ4 are all plate-type plug doors.

[0026] The two-position three-way solenoid valve 5 is a normally closed solenoid valve.

[0027] like Figure 3 , 4 As shown in Figure 5, one side of the air circuit plate 6 is provided with an air inlet 6-2 connected to the concealed air circuit 6-1, and the air inlet 6-2 is used to connect the main air outlet. The other side of the air circuit plate 6 is provided with an air outlet 6-3 connected to the concealed air circuit 6-1, and the air outlet 6-3 is used to connect the pantograph. One side of the air circuit plate 6 is provided with an exhaust port 6-4, and the other side of the air circuit plate 6 is provided with a manual exhaust port 6-5. The exhaust port 6-4 and the manual exhaust port 6-5 are connected to the two-position three-way solenoid valve 5 through the concealed air circuit 6-1. The four corners of the air circuit plate 6 are provided with pantograph control module mounting holes 6-6 and are fixedly connected to the mounting base through threaded connectors 7. The concealed air circuit 6-1 in this solution is directly made by drilling with a drill bit, and the process hole is sealed with a plug after the production is completed. The processing is convenient and simple, and the processing cost is low.

[0028] The working principle of the present invention is as follows: Figure 6 As shown,

[0029] ① Two-position three-way solenoid valve 5 normal working state principle

[0030] When the two-position three-way solenoid valve 5 is in normal working condition, the solenoid valve air inlet plug door Ⅰ1 and the solenoid valve air outlet plug door Ⅱ2 are opened, and the emergency pantograph raising plug door Ⅲ3 and the emergency pantograph lowering plug door Ⅳ4 are closed, and the raising and lowering of the pantograph is controlled by the solenoid valve.

[0031] ② Two-position three-way solenoid valve 5 fault state principle

[0032] When the two-position three-way solenoid valve 5 fails, close the solenoid valve air inlet plug gate Ⅰ1 and the solenoid valve air outlet plug gate Ⅱ2. When emergency bow raising is required, open the emergency bow raising plug gate Ⅲ3 and close the emergency bow lowering plug gate Ⅳ4; when emergency bow lowering is required, close the emergency bow raising plug gate Ⅲ3 and open the emergency bow lowering plug gate Ⅳ4.

[0033] The present invention first starts with the principle of the control device and designs a relatively small air circuit board. The solenoid valve, the plug gate, the pipeline and the associated ball valve are highly integrated and installed on a gas circuit board, realizing modular installation, improving the convenience of operation of the rail vehicle pantograph lifting control device, reducing the occupation of vehicle space, and solving the problems of the original control scheme of the rail vehicle occupying a large space and inconvenient operation. The overall structure saves installation space, the effect is beautiful, and the operation is clear and convenient; it improves versatility, can be modularly mass-produced, and is suitable for different models. This valve plate integrates the emergency pantograph lifting plug gate III 3 and the emergency pantograph lowering plug gate IV 4, and is provided with a manual exhaust port, so that the valve plate has automatic and manual pantograph raising and lowering functions and emergency pantograph lifting and lowering control functions. Moreover, the scheme only uses a two-position three-way solenoid valve, and the air supply source only comes from the total air. There is no need to control the pantograph lifting and lowering control air cylinder interface and auxiliary compressor and other components, which simplifies the control structure and reduces the manufacturing cost.

[0034] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pantograph raising and lowering control integrated valve plate structure for a rail vehicle, comprising a gas circuit plate (6), characterized in that: The upper surface of the air circuit board (6) is integrated with a solenoid valve air inlet plug door I (1), a solenoid valve air outlet plug door II (2), an emergency bow raising plug door III (3), an emergency bow lowering plug door IV (4), and a two-position three-way solenoid valve (5). A concealed air passage (6-1) is provided inside the air circuit board (6). One end of the solenoid valve air inlet plug door I (1) is connected to the total air flow through the concealed air passage (6-1), and the other end of the solenoid valve air inlet plug door I (1) is connected to one end of the two-position three-way solenoid valve (5) through the concealed air passage (6-1). The two-position three-way solenoid valve (5) The other end is connected to one end of the electromagnetic valve air outlet plug gate II (2) through a dark ventilation path (6-1), and the other end of the electromagnetic valve air outlet plug gate II (2) is connected to the pantograph through a dark ventilation path (6-1); one end of the emergency pantograph raising plug gate III (3) is connected to the total air through a dark ventilation path (6-1), and the other end of the emergency pantograph raising plug gate III (3) is connected to the pantograph through a dark ventilation path (6-1); one end of the emergency pantograph lowering plug gate IV (4) is connected to the pantograph through a dark ventilation path (6-1), and the other end of the emergency pantograph lowering plug gate IV (4) is connected to the atmosphere; The solenoid valve air inlet plug gate I (1), the solenoid valve air outlet plug gate II (2), the emergency pantograph raising plug gate III (3), and the emergency pantograph lowering plug gate IV (4) are all plate-type plug gates; the two-position three-way solenoid valve (5) is a normally closed solenoid valve; one side of the air circuit plate (6) is provided with an air inlet (6-2) connected to the dark ventilation air circuit (6-1), and the air inlet (6-2) is used to connect to the main air outlet; the other side of the air circuit plate (6) is provided with an air outlet (6-3) connected to the dark ventilation air circuit (6-1), and the air outlet (6-3) is used to connect to the pantograph.

2. The rail vehicle pantograph raising and lowering pantograph control integrated valve plate structure according to claim 1, characterized in that: An exhaust port (6-4) is provided on one side of the gas circuit plate (6), and a manual exhaust port (6-5) is provided on the other side of the gas circuit plate (6); the exhaust port (6-4) and the manual exhaust port (6-5) are connected to a two-position three-way solenoid valve (5) via a concealed air passage (6-1).

3. The rail vehicle pantograph raising and lowering pantograph control integrated valve plate structure according to claim 1, characterized in that: The four corners of the gas circuit plate (6) are provided with pantograph control module mounting holes (6-6) and are fixedly connected to the mounting seat via threaded connectors (7).

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