Filter screen plate for high-speed train

Abstract

The utility model discloses a filter screen plate for a high-speed train, which comprises an outer frame, a mounting port, an inner frame component and a mounting screw hole, and the inner frame component comprises an inner frame, a fixed wing plate, a support rod, a first flow guide surface, a second flow guide surface, a positioning groove, a filter strip, a positioning fixture block and a reinforcing rib. By means of the mode, the filter screen plate for the high-speed train not only can effectively reduce sundries such as flying catkins and dust adhered to the filter screen plate and guarantee the filtering effect of the filter screen plate, but also improves the mechanical strength of the filter screen plate, prevents deformation, prolongs the service life, and has the advantages of being simple in structure, convenient to disassemble and maintain and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of filter plates, in particular to a filter screen plate used for high-speed trains. Background Art

[0002] The filter plate is one of the indispensable equipment components in the train, and is mainly used in train traction converters, transformers, air conditioners and other equipment.

[0003] Conventional woven mesh filters currently used in trains accumulate a large amount of flying catkins and dust during long periods of high-speed operation, making them prone to clogging and difficult to clean, often resulting in damage during cleaning. Furthermore, conventional filters are not strong enough and easily deform at high speeds, weakening or even eliminating their filtering function and posing a safety hazard. Furthermore, existing filters are difficult to disassemble and install, hindering routine replacement, inspection, and maintenance. Utility Model Content

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is:

[0005] A filter screen plate for high-speed trains is provided, comprising: an outer frame, a mounting port, and an inner frame assembly.

[0006] The inner frame assembly includes an inner frame, a fixed wing plate, a support rod, a first guide surface, a second guide surface, a positioning groove, a filter strip, a positioning block, and a reinforcing rib. The plurality of support rods are arranged on the inner frame in parallel and at intervals, and the two ends of the support rod are detachably connected to the inner frame. The reinforcing rib is arranged on the inner frame below the support rod, and the top surface of the reinforcing rib abuts the bottom surface of the support rod. The cross-section of the reinforcing rib is an inverted triangle or an arc-shaped structure with an arc surface downward. The upper part of the support rod is provided with the arc-shaped first guide surface, the top of the support rod is provided with the positioning groove, the plurality of filter strips are arranged on the support rod in parallel and at intervals, and the bottom of the filter strip is provided with the positioning block movably connected to the positioning groove, and a plurality of second guide surfaces are provided on the side walls of the filter strip, the second guide surface includes a plane or arc surface structure whose bottom gradually extends toward the axis of the filter strip, so that a filter channel with a diameter gradually increasing from top to bottom is formed between two adjacent filter strips.

[0007] The mounting opening is arranged on the outer frame, the inner frame is arranged in the mounting opening, the fixed wing plates are arranged around the inner frame, and the outer sides of the fixed wing plates pass through the mounting opening and are connected to the outer frame to fix the inner frame on the outer frame.

[0008] In a preferred embodiment of the present invention, a positioning groove body cooperating with the fixed wing plate is provided on the outer frame.

[0009] In a preferred embodiment of the present invention, mounting screw holes are provided on the outer frame and the fixed wing plate, and the mounting screws are connected to the mounting screw holes to fix the fixed wing plate.

[0010] In a preferred embodiment of the present invention, both ends of the reinforcing rib are connected to the inner frame by screws, so that reinforcing ribs of different specifications and sizes can be replaced according to different practical needs.

[0011] In a preferred embodiment of the present invention, both ends of the support rod are connected to the inner frame by screws for easy maintenance and replacement.

[0012] In a preferred embodiment of the present invention, waist-shaped holes are provided on the side walls of the inner frame, and screws pass through the waist-shaped holes to connect with the reinforcing ribs / support rods so as to adjust the positions of the reinforcing ribs / support rods.

[0013] In a preferred embodiment of the present invention, the maximum diameter of the reinforcing rib is less than or equal to the diameter of the bottom surface of the support rod.

[0014] In a preferred embodiment of the present invention, the positioning block and the positioning groove adopt a regular or irregular polygonal structure.

[0015] In a preferred embodiment of the present invention, a welding point is provided at the connection between the filter strip and the support rod.

[0016] In a preferred embodiment of the present invention, one or more inner frames are provided in the installation opening.

[0017] The beneficial effects of the utility model are: it can not only effectively reduce the adhesion of flying catkins, dust and other debris on the filter screen, thereby ensuring the filtering effect of the filter screen, but also increase the mechanical strength of the filter screen, prevent deformation, and extend the service life. It also has the characteristics of simple structure and easy disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0019] Figure 1 This is a structural diagram of a preferred embodiment of a filter screen plate for high-speed trains according to the present invention;

[0020] Figure 2 The utility model is a structural schematic diagram of an inner frame assembly of a preferred embodiment of a filter screen plate for high-speed trains. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-2 , the embodiments of the present utility model include:

[0023] A filter screen for high-speed trains, comprising an outer frame 1, a mounting port, an inner frame assembly, and mounting screw holes 2. The inner frame assembly comprises an inner frame 3, a fixed wing plate 4, a support rod 5, a first guide surface 6, a second guide surface 7, a positioning groove 8, a filter strip 9, a positioning block 10, and a reinforcing rib 11.

[0024] The mounting opening is arranged in the outer frame, the inner frame is arranged in the mounting opening, the fixed wing plates are arranged around the inner frame, and the outer sides of the fixed wing plates pass through the mounting opening and are movably connected to the groove body on the outer frame. The groove body and the fixed wing plates are provided with mounting screw holes, and the mounting screws are connected to the mounting screw holes to fix the inner frame on the outer frame, so as to facilitate the later cleaning and maintenance of the inner frame components.

[0025] Further preferably, the fixed wing plate can be welded after being fixed with screws. In this case, the entire outer frame needs to be replaced together when cleaning or replacing.

[0026] Multiple support rods are arranged in parallel and at intervals on the inner frame to form a support rod group, and the two ends of the support rods are detachably connected to the inner frame. Reinforcing ribs are arranged on the inner frame below the support rods, and the top surface of the reinforcing ribs abuts against the bottom surface of the support rods to increase the mechanical strength of the support rods and improve the overall stability of the filter screen. The cross-section of the reinforcing ribs is an inverted triangle or an arc-shaped structure with the arc surface facing downward to reduce the deposition of dust, flying catkins, liquids and other debris.

[0027] Further preferably, both ends of the reinforcing rib are connected to the inner frame by screws 12 so that reinforcing ribs of different specifications and sizes can be replaced according to different practical needs.

[0028] Further preferably, waist-shaped holes are provided on the side walls of the inner frame, and screws pass through the waist-shaped holes and are connected to the reinforcing ribs so as to adjust the position of the reinforcing ribs.

[0029] Further preferably, the maximum diameter of the reinforcing rib is less than or equal to the diameter of the bottom surface of the support rod.

[0030] A first guide surface in the shape of an arc (arc surface facing upward) is provided on the upper part of the support rod to prevent dust, flying catkins, liquid, etc. from being entangled or deposited on the support rod. A positioning groove is provided on the top of the support rod, and multiple filter strips are arranged in parallel and at intervals on the support rod group. One or more second guide surfaces are provided on the side walls of the filter strips. The second guide surface can adopt a planar structure or an arc surface structure with the bottom gradually extending toward the axis of the filter strip, so that a filter channel with a small top diameter and a large bottom diameter is formed between two adjacent filter strips. A positioning block is connected to the bottom of the filter strip, and the positioning block is movably connected to the positioning groove, which can not only pre-position the position of the filter strip, but also increase the connection contact area between the filter strip and the support rod, thereby improving the accuracy and stability of the connection between the filter strip and the support rod.

[0031] Further preferably, both ends of the support rod are connected to the inner frame by screws for easy maintenance and replacement.

[0032] Further preferably, the positioning block and the positioning groove may adopt a regular or irregular polygonal structure.

[0033] Further preferably, a welding point is provided at the connection between the filter strip and the support rod to increase the firmness of the connection of the filter strip.

[0034] The beneficial effects of the filter screen plate of the utility model for high-speed trains are: it can not only effectively reduce the adhesion of flying catkins, dust and other debris on the filter screen plate, thereby ensuring the filtering effect of the filter screen plate, but also increase the mechanical strength of the filter screen plate, prevent deformation, and extend the service life. It also has the characteristics of simple structure and convenient disassembly and maintenance.

[0035] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A filter screen for high-speed trains, characterized in that: include: Outer frame, mounting port, inner frame components, The inner frame assembly includes an inner frame, a fixed wing plate, a support rod, a first guide surface, a second guide surface, a positioning groove, a filter strip, a positioning block, and a reinforcing rib. The plurality of support rods are arranged on the inner frame in parallel and at intervals, and the two ends of the support rod are detachably connected to the inner frame. The reinforcing rib is arranged on the inner frame below the support rod, and the top surface of the reinforcing rib abuts the bottom surface of the support rod. The cross-section of the reinforcing rib is an inverted triangle or an arc-shaped structure with an arc surface downward. The upper part of the support rod is provided with the arc-shaped first guide surface, the top of the support rod is provided with the positioning groove, the plurality of filter strips are arranged on the support rod in parallel and at intervals, and the bottom of the filter strip is provided with the positioning block movably connected to the positioning groove, and a plurality of second guide surfaces are provided on the side walls of the filter strip, the second guide surface includes a plane or arc surface structure whose bottom gradually extends toward the axis of the filter strip, so that a filter channel with a diameter gradually increasing from top to bottom is formed between two adjacent filter strips. The mounting opening is arranged on the outer frame, the inner frame is arranged in the mounting opening, the fixed wing plates are arranged around the inner frame, and the outer sides of the fixed wing plates pass through the mounting opening and are connected to the outer frame to fix the inner frame on the outer frame.

2. A filter screen for high-speed trains according to claim 1, characterized in that: The outer frame is provided with a positioning groove body which cooperates with the fixed wing plate.

3. The filter screen for high-speed train according to claim 1, characterized in that: The outer frame and the fixed wing plate are provided with mounting screw holes, and the mounting screws are connected with the mounting screw holes to fix the fixed wing plate.

4. The filter screen for high-speed train according to claim 1, characterized in that: The two ends of the reinforcing rib are connected to the inner frame by screws, so that reinforcing ribs of different specifications and sizes can be replaced according to different practical needs.

5. The filter screen plate for high-speed train according to claim 1, characterized in that: Both ends of the support rod are connected to the inner frame by screws for easy maintenance and replacement.

6. The filter screen plate for high-speed train according to claim 1, characterized in that: Waist-shaped holes are provided on the side walls of the inner frame, and screws pass through the waist-shaped holes to connect with the reinforcing ribs / support rods so as to adjust the positions of the reinforcing ribs / support rods.

7. The filter screen for high-speed train according to claim 1, characterized in that: The maximum diameter of the reinforcing rib is less than or equal to the diameter of the bottom surface of the support rod.

8. The filter screen plate for high-speed train according to claim 1, characterized in that: The positioning block and the positioning groove adopt a regular or irregular polygonal structure.

9. The filter screen plate for high-speed train according to claim 1, characterized in that: A welding point is provided at the connection between the filter strip and the support rod.

10. The filter screen plate for high-speed train according to claim 1, characterized in that: One or more inner frames are arranged in the installation opening.

Images