Dust filtering mesh enclosure of subway traction motor

Abstract

The utility model provides a subway traction motor dust filtering mesh enclosure, which comprises a mesh enclosure main body, a filter screen main body arranged in the mesh enclosure main body, a cleaning screen arranged at the top end of the mesh enclosure main body, a mounting hole formed in the mesh enclosure main body, and a mounting bolt arranged in the mounting hole. Through the arranged cleaning net, cooling air enters the traction machine from an air inlet, turbines of fan blades can rotate along with the air in the process of passing through the filtering net, so that a cleaning brush is driven to rotate, the surface of a filtering net body is rotationally cleaned, and sundries and dust on the surface of the filtering net body are collected into a collecting frame; sundries and dust on the surface are automatically cleaned, the dust filtering mesh enclosure cannot be blocked, air entering cannot be affected, the mesh enclosure body is fixed to the air inlet of the traction machine through the installation bolts, the installation bolts cannot be loosened due to the arrangement of the spring pieces, the elastic pieces and the opening rings, and the dust filtering mesh enclosure is installed at the air inlet more firmly.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter layer mesh enclosure technical field especially relates to subway traction motor dust filter mesh enclosure. BACKGROUND

[0002] On the rail transit vehicle, traction motor is mostly installed below the vehicle, in the open environment, the wind formed when the vehicle is running will bring the small sundries dust near the track into the motor air inlet, the sundries dust will affect the normal use of the motor after entering the motor, and the motor may be burned out in serious cases, therefore, the dust filter mesh enclosure is generally arranged at the air inlet of the traction motor.

[0003] When the dust filter mesh enclosure is used, the filter screen will continuously filter and collect impurities and dust on the surface of the filter screen, and when the impurities accumulate more, the difficulty of cooling air passing through the filter screen will increase, the cooling effect will be poor, and even the filter screen will be blocked to affect the normal use of the traction motor, and the existing dust filter mesh enclosure lacks the effect of automatically cleaning the surface sundries and dust. UTILITY MODEL CONTENTS

[0004] The purpose and effect of the utility model subway traction motor dust filter mesh enclosure are achieved by the following specific technical means: the utility model subway traction motor dust filter mesh enclosure comprises a mesh enclosure main body and a filter screen main body arranged in the mesh enclosure main body.

[0005] The cleaning net is arranged at the top end of the mesh enclosure main body.

[0006] The mounting hole is arranged in the interior of the mesh enclosure main body.

[0007] The mounting bolt is arranged in the interior of the mounting hole.

[0008] Preferably, the cleaning net comprises a mounting frame, a fan blade, a mounting net and a cleaning brush, the cleaning net is composed of the mounting frame, the mounting frame is arranged in a rectangular array, the mounting frame is provided with the mounting net away from the mesh enclosure main body, the mounting net is provided with the fan blade near the filter screen main body, and the fan blade is in the shape of a turbine.

[0009] Preferably, the fan blade is provided with the cleaning brush near the filter screen main body, and the mounting frame is provided with a collection frame near the filter screen main body.

[0010] Preferably, the number of the mounting hole and the mounting bolt is four, and the mounting hole and the mounting bolt are arranged in a rectangular array.

[0011] Preferably, each mounting hole comprises a threaded hole main body, an elastic sheet hole and a straining hole, each threaded hole main body is arranged in the interior of the mesh enclosure main body, each threaded hole main body is provided with the straining hole at the top end in the interior, and each straining hole is provided with the elastic sheet hole at the bottom end in the interior of the threaded hole main body.

[0012] Preferably, each of the mounting bolts comprises a bolt body, spring sheets and a spread ring, the bolt body is arranged inside the screw hole body, each of the bolt bodies is provided with a spread ring, each of the spread rings is in the shape of a hollow cone, the size of each of the spread rings is matched with the size of the inside of the corresponding spread hole, each of the bolt bodies is provided with spring sheets at the bottom end of the corresponding spread ring, each of the spring sheets is arranged in a circular array, and the size of each of the spring sheets is matched with the size of the inside of the corresponding spring sheet hole.

[0013] Preferably, the shape of the mesh cover body is an internally hollow square plate, and the size of the filter screen body is matched with the size of the inside of the mesh cover body.

[0014] Advantageous effects

[0015] 1. The cooling air enters the inside of the traction machine from the air inlet, and the turbine provided on the fan blade in the filter screen process rotates with the air entering, thereby driving the cleaning brush to rotate, rotating to clean the surface of the filter screen body, collecting the sundries and dust on the surface of the filter screen body into the collecting frame, and automatically cleaning the surface sundries and dust so that the dust filter screen cover is not blocked to affect the air entering.

[0016] 2. The mesh cover body is fixed on the air inlet of the traction machine through the mounting bolts, the mounting bolts are rotated and fixed through the mounting holes and the air inlet screw holes, the spring sheets are arranged in the spring sheet holes, the spread ring is further rotated, the bottom end of the spread ring is arranged between the spring sheets and the bolt body, the spring sheets are spread and clamped into the spring sheet holes, the installation of the mounting bolts is not loose, and the installation of the dust filter screen cover on the air inlet is more firm. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0018] Figure 2 It is a three-dimensional structure schematic view of the bottom end of the mesh cover body of the utility model.

[0019] Figure 3 It is a three-dimensional structure schematic view of the cleaning brush of the utility model.

[0020] Figure 4 It is a three-dimensional structure schematic view of the mounting bolt of the utility model.

[0021] Figure 5 It is a three-dimensional structure schematic view of the spread ring of the utility model.

[0022] Figure 6 It is an inside structure schematic view of the mounting hole of the utility model.

[0023] Figures 1-6In the diagram, the correspondence between component names and drawing numbers is as follows:

[0024] 1. Main body of the mesh cover; 2. Mounting bolts; 201. Bolt body; 202. Spring plate; 203. Spreading ring; 3. Cleaning mesh; 301. Mounting frame; 302. Fan blade; 303. Mounting mesh; 304. Cleaning brush; 305. Collection frame; 4. Main body of the filter screen; 5. Mounting hole; 501. Screw hole body; 502. Elastic plate hole; 503. Spreading hole. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] First Embodiment

[0027] As attached Figure 1 Appendix Figure 2 and attached Figure 3 As shown: A dust filter cover for a subway traction motor, including a cover body 1 and a filter body 4 disposed inside the cover body 1. The cover body 1 is shaped as a hollow square plate. The size of the filter body 4 is adapted to the internal size of the cover body 1. Cooling air enters the traction motor from the air inlet. When the drawn-in cooling air passes through the filter body 4, impurity particles are filtered and adsorbed on the surface of the filter body 4.

[0028] Cleaning net 3 is set at the top of the main body 1 of the filter screen: The cleaning net 3 includes a mounting frame 301, a fan blade 302, a mounting net 303 and a cleaning brush 304. The cleaning net 3 is composed of the mounting frame 301, which is arranged in a rectangular array. The mounting net 303 is set on the side of the mounting frame 301 away from the main body 1 of the filter screen, and the fan blade 302 is set on the side of the mounting net 303 close to the filter screen body 4. The fan blade 302 is turbine-shaped, and the turbine setting of the fan blade 302 will rotate with the air entering.

[0029] A cleaning brush 304 is provided on the side of the fan blade 302 near the filter body 4, and a collection frame 305 is provided on the side of the mounting frame 301 near the filter body 4. When the fan blade rotates 302, it drives the cleaning brush 304 to rotate, thereby rotating and cleaning the surface of the filter body 4, collecting the debris and dust on the surface of the filter body 4 into the collection frame 305. While filtering impurity particles, the dust filter automatically cleans the surface debris and dust, so that the dust filter will not be blocked and affect the air intake.

[0030] Second Embodiment

[0031] As attached Figure 1 Appendix Figure 4 Appendix Figure 5 and attached Figure 6 As shown: Mounting hole 5 is set inside the mesh cover body 1: There are four mounting holes 5 and four mounting bolts 2. The mounting holes 5 and the mounting bolts 2 are arranged in a rectangular array. The mesh cover body 1 is fixed to the air inlet of the traction machine by the mounting bolts 2. The mounting bolts 2 pass through the mounting holes 5 and the screw holes of the air inlet, and are then fixed by rotation through threaded connection.

[0032] Each mounting hole 5 includes a screw hole body 501, an elastic plate hole 502, and a support hole 503. Each screw hole body 501 is installed inside the mesh cover body 1. Each screw hole body 501 has a support hole 503 at its top. Each support hole 503 has an elastic plate hole 502 at its bottom and inside the screw hole body 501. When the mounting bolt 2 is not reinforced, the spring plate 202 is in close contact with the bolt body 201.

[0033] Mounting bolts 2 are installed inside mounting holes 5. Each mounting bolt 2 includes a bolt body 201, a spring plate 202, and a spreading ring 203. The bolt body 201 is installed inside the bolt hole body 501. Each bolt body 201 is provided with a spreading ring 203. Each spreading ring 203 is a hollow cone shape, and the size of each spreading ring 203 is adapted to the internal size of the corresponding spreading hole 503. Each bolt body 201 is provided with a spring plate 202 at the bottom of the corresponding spreading ring 203. Each set... The spring plates 202 are arranged in a circular array. The size of each spring plate 202 is adapted to the internal size of the corresponding elastic plate hole 502. When the mounting bolt 2 is in the tightened state, the spring plate 202 is exactly in the position of the elastic plate hole 502 inside the mesh cover body 1. Then, rotate the opening ring 203 so that the bottom end of the opening ring 203 enters between the spring plate 202 and the bolt body 201, and the top end of the spring plate 202 is opened and inserted into the elastic plate hole 502, so that the installation of the mounting bolt 2 is locked and fixed and will not loosen. The installation of the dust filter mesh cover at the air inlet is more secure.

[0034] Working principle: the mesh cover body 1 is fixed on the air inlet of the traction machine through the installation bolt 2, the installation bolt 2 passes through the installation hole 5 and the air inlet screw hole, and is then rotated and fixed through the threaded connection. The spring sheet 202 is just in the position of the elastic sheet hole 502 inside the mesh cover body 1, the opening ring 203 is then rotated and opened, the bottom end of the opening ring 203 enters between the spring sheet 202 and the bolt body 201, the top end of the spring sheet 202 is opened and clamped into the elastic sheet hole 502, the installation of the installation bolt 2 is clamped and fixed and cannot be loosened, the installation of the dust filter cover on the air inlet is more firm, when the dust filter cover is removed and replaced, the opening ring 203 is first loosened by rotating, the spring sheet 202 returns to the state of being close to the bolt body 201, the bolt body 201 is then rotated to take out the installation bolt 2, the dust filter cover can be normally removed, the cooling air enters the inside of the traction machine from the air inlet, the impurity particles are filtered and adsorbed on the surface of the filter screen body 4 when the sucked cooling air passes through the filter screen body 4, the turbine setting of the fan blade 302 rotates with the air entering, thereby driving the cleaning brush 304 to rotate, thereby rotating and cleaning the surface of the filter screen body 4, the dirt on the surface of the filter screen body 4 is collected into the collection frame 305, the dust filter cover filters the impurity particles, and the surface dirt is automatically cleaned at the same time, so that the dust filter cover is not blocked and the air entering is not affected.

Claims

1. A dust filter cover for a subway traction motor, comprising a cover body (1) and a filter body (4) disposed inside the cover body (1), characterized in that: Clean the net (3), which is set at the top of the net cover body (1); Mounting holes (5) are provided inside the main body (1) of the mesh cover; Mounting bolt (2) is placed inside mounting hole (5).

2. The dust filter cover for a subway traction motor according to claim 1, characterized in that: The cleaning net (3) includes an installation frame (301), a fan blade (302), an installation net (303), and a cleaning brush (304). The cleaning net (3) is composed of an installation frame (301), which is arranged in a rectangular array. An installation net (303) is provided on the side of the installation frame (301) away from the main body of the mesh cover (1). A fan blade (302) is provided on the side of the installation net (303) close to the main body of the filter screen (4). The fan blade (302) is turbine-shaped.

3. The dust filter cover for the subway traction motor according to claim 2, characterized in that: A cleaning brush (304) is provided on the side of the fan blade (302) near the filter body (4), and a collection frame (305) is provided on the side of the mounting frame (301) near the filter body (4).

4. The dust filter cover for the subway traction motor according to claim 1, characterized in that: The number of mounting holes (5) and mounting bolts (2) are both four, and the mounting holes (5) and mounting bolts (2) are arranged in a rectangular array.

5. The dust filter cover for a subway traction motor according to claim 1, characterized in that: Each of the mounting holes (5) includes a screw hole body (501), an elastic plate hole (502) and a support hole (503). Each screw hole body (501) is disposed inside the mesh cover body (1). Each screw hole body (501) has a support hole (503) at its top end and an elastic plate hole (502) at its bottom end inside the screw hole body (501).

6. The dust filter cover for a subway traction motor according to claim 4, characterized in that: Each mounting bolt (2) includes a bolt body (201), a spring plate (202), and a spreading ring (203). The bolt body (201) is disposed inside the bolt hole body (501). Each bolt body (201) is provided with a spreading ring (203). Each spreading ring (203) is a hollow cone. The size of each spreading ring (203) is adapted to the internal size of the corresponding spreading hole (503). Each bolt body (201) is provided with a spring plate (202) at the bottom of the corresponding spreading ring (203). Each set of spring plates (202) is arranged in a circular array. The size of each spring plate (202) is adapted to the internal size of the corresponding elastic plate hole (502).

7. The dust filter cover for a subway traction motor according to claim 1, characterized in that: The mesh cover body (1) is shaped as a hollow square plate, and the size of the filter body (4) is adapted to the internal size of the mesh cover body (1).

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