CN215481992U

CN215481992U - Turnover type snow-proof cover for railway turnout

Info

Publication number: CN215481992U
Application number: CN202121355381.7U
Authority: CN
Inventors: 徐小明; 王云叶; 雷学亮; 凌仕稳; 黄骁
Original assignee: Hefei University of Technology
Current assignee: Hefei University of Technology
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-11
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a turnover type railway turnout snow-proof cover which is arranged on a rail and comprises: the device comprises a main body protection structure, a mechanical driving mechanism and an information processing and controlling mechanism; the main body protection structure consists of a protection cover, a side wing protection plate, a main protection plate and a brush; the mechanical driving mechanism consists of a large gear, a small gear, a telescopic push rod, a motor, an air pump and a speed changer; the information processing and controlling mechanism consists of a singlechip, an electric heating wire, a pressure sensor, a temperature sensor, a Hall effect type position sensor and a trackside control unit. The snow cleaning device can automatically clean accumulated snow on the track regularly, thereby ensuring that the railway turnout can normally run in snowy days, reducing the energy consumption and turnout maintenance cost, prolonging the service life of the turnout and ensuring the running safety of a train.

Description

Turnover type snow-proof cover for railway turnout

Technical Field

The utility model belongs to the technical field of railway track protection, and particularly relates to a railway turnout protection device based on an electric heating technology.

Background

The snowfall amount in winter in the north of China is large. The switch rails at the points are easy to accumulate snow, thereby threatening the driving safety. At present, snow removing modes such as electric heating, snow melting by road snow melting agent, manual and wind power snow removing and the like mainly exist at home and abroad. However, the problems of high energy consumption, high failure rate and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a turnover type railway turnout snow-proof cover which can be used for automatically cleaning accumulated snow on a track at regular intervals, so that the energy consumption and turnout maintenance cost can be reduced while the railway turnout is ensured to normally run in a snowy day, the service life of the turnout is prolonged, and the train running safety is ensured.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model relates to a turnover type railway switch snow-proof cover which is characterized in that the cover is arranged on a rail and comprises: the device comprises a main body protection structure, a mechanical driving mechanism and an information processing and controlling mechanism;

the main body protection structure consists of a protection cover, a side wing protection plate, a main protection plate and a brush;

the mechanical driving mechanism consists of a large gear, a small gear, a telescopic push rod, a motor, an air pump and a speed changer;

the information processing and controlling mechanism consists of a singlechip, an electric heating wire, a pressure sensor, a temperature sensor, a Hall effect type position sensor and a trackside control unit;

the main guard board is formed by combining two separable boards, and connecting rods are arranged on four top corners of the main guard board; the front end face and the rear end face of each of the two plates of the main guard plate are connected with the side wing guard plate through hinges, so that the side wing guard plate can rotate around the two plates of the main guard plate in the vertical direction; (ii) a Protective covers are arranged on two sides of the main protective plate;

a groove is formed in the middle of the side wing guard plate and used for mounting the hairbrush;

the lower surfaces of the two main guard plates are respectively fixed with a pair of telescopic push rods through bolts, one end of each telescopic push rod is connected with the side wing guard plate, and the other end of each telescopic push rod is connected with the air pump through a conduit; the air pumps are all positioned inside the protective cover;

the inside of the protective cover is also provided with a motor; the motor is connected with an input shaft of the transmission; the input shaft is sleeved with the large gear, the large gear is meshed with the small gear, and the small gear is sleeved on the connecting rod of the main guard plate, so that the motor drives the gear to rotate and drive the main guard plate to rotate;

the output signal of the motor is respectively and electrically connected with the singlechip and the Hall effect type position sensor (8);

the single chip microcomputer is electrically connected with the pressure sensor, the temperature sensor and the electric heating wire;

the Hall effect type position sensor is electrically connected with the trackside control unit, so that sensor information is transmitted to an external railway information terminal through the trackside control unit.

The turnover type railway turnout snow-proof cover is also characterized in that:

the upper surface of the main guard board takes the splicing line of the two boards as a starting point and gradually inclines downwards towards the two edges to form a slope, and the splicing part of the two boards of the main guard board is provided with a sealing waterproof rubber strip.

The pressure sensors are respectively positioned at the center and four corners of the lower surfaces of the two plates of the main guard plate;

the electric heating wires are respectively positioned on the lower surfaces of the two plates of the main guard plate, and the singlechip is controlled to be electrified at regular time to generate heat;

the temperature sensor is positioned on the lower surface of the main guard plate and used for detecting the ambient temperature in real time;

the Hall effect type position sensor is positioned on one side of the bull gear and used for indirectly monitoring the rotation angle of the pinion.

Compared with the prior art, the utility model has the beneficial effects that:

1. compared with the existing snow protection device, the device has strong adaptability, the turnover cover is only turned over when a vehicle comes and self-checks, the snow protection effect is good, the falling snow can be effectively prevented from flying into a turnout, the principle is simple, and the cost is low.

2. Utility model combines together with traditional electric heating mode, has snow protection and snow removing function concurrently. When the device is opened, the main guard plate and the turnover side guard plate are opened, so that snow accumulated on the device is removed. Meanwhile, the electric heating system is started to heat the device for a period of time so as to ensure the removal of stubborn accumulated snow and prevent the accumulated snow around from freezing.

3. Utility model has reliable early warning and self-checking system, has higher security performance. The device is started at regular time, self-checking is carried out on system operation while snow accumulation is prevented, and if accidents occur to cause device operation faults, signals are sent to the console to timely inform platform management personnel.

Drawings

FIG. 1 is a front view of the snow shield of the present invention;

FIG. 2 is a rear view of the snow shield of the present invention;

FIG. 3 is a detail view of the main fender of the snow shield of the present invention;

FIG. 4 is a schematic electrical diagram of the snow shield of the present invention;

reference numbers in the figures: the device comprises a protective cover 1, a flank protective plate 2, a main protective plate 3, a gear 4, a pinion 5, a main door electric mechanism 6, a large telescopic push rod 7 and a Hall effect type position sensor 8.

Detailed Description

In this embodiment, a convertible railway switch snow cover sets up on the rail to what adopt is convertible opening mechanism, and its main function includes:

1. the turnout is protected in severe weather such as heavy snow and the like, and the turnout is prevented from entering snow.

2. The automatic regular start, the snow on the cleaning device and whether the detection device is normal.

3. The train can automatically turn over before coming, so that the train can smoothly pass through.

This snow protection cover includes: the device comprises a main body protection structure, a mechanical driving mechanism and an information processing and controlling mechanism;

as shown in fig. 1, the main body protection structure is composed of a protection cover 1, a side wing protection plate 2, a main protection plate 3 and a brush;

as shown in fig. 2, the mechanical driving mechanism is composed of a large gear 4, a small gear 5, a telescopic push rod 7, a motor, an air pump and a speed changer;

the information processing and controlling mechanism consists of a singlechip, an electric heating wire, a pressure sensor, a temperature sensor, a Hall effect type position sensor 8 and a trackside control unit;

the main backplate 3 is formed by two separable plates merging, and in the concrete implementation, the upper surface of main backplate 3 uses the concatenation line of two plates as the starting point and to the slope is in order to form to both edges downward sloping gradually, and main backplate 3 has certain inclination promptly to prevent to take place snow backward flow phenomenon and guarantee that the snow water that melts flows down smoothly when the main backplate is opened. The concatenation department of the two boards of main backplate 3 all is provided with joint waterproof strip, prevents that the snow that melts from flowing into the switch and freezing through the gap.

Connecting rods are arranged on four top corners of the main guard plate 3; the front end face and the rear end face of each of the two plates of the main guard plate 3 are connected with the side wing guard plate 2 through hinges, so that the side wing guard plate 2 can rotate around the two plates of the main guard plate 3 in the vertical direction; the two sides of the main guard board 3 are provided with protective covers 1;

a groove is formed in the middle of the side wing protection plate 2 and used for installing a hairbrush;

the lower surfaces of the two main guard plates 3 are respectively fixed with a pair of telescopic push rods 7 through bolts, one end of each telescopic push rod 7 is connected with the side wing guard plate 2, and the other end is connected with an air pump through a conduit; the air pumps are all positioned inside the protective cover 1; protected by a protective cover 1.

A motor is also arranged in the protective cover 1; the motor is connected with an input shaft of the transmission; the input shaft is sleeved with a large gear 4, the large gear 4 is meshed with a small gear 5, and the small gear 5 is sleeved on a connecting rod of the main guard plate 3, so that the motor drives the gear to rotate and drive the main guard plate 3 to rotate; to provide power for the movement of the main fender 3.

As shown in fig. 3, the output signal of the motor is electrically connected with the single chip microcomputer and the hall effect type position sensor 8 through the lead and the pin respectively; the hall effect position sensor 8 is electrically connected to the trackside control unit so that sensor information is transmitted to an external railway information terminal via the trackside control unit. In a specific implementation, the hall effect type position sensor 8 is located on the side of the large gear 4 and used for indirectly monitoring the rotation angle of the small gear 5.

The singlechip is electrically connected with the pressure sensor, the temperature sensor and the electric heating wire through pins; in the specific implementation, the dry pressure sensors are respectively positioned at the center and four corners of the lower surfaces of the two plates of the main guard plate 3; a total of ten pressure sensors. The temperature sensor is positioned on the lower surface of the main guard plate 3 and used for detecting the environmental temperature in real time; the electric heating wires are respectively positioned on the lower surfaces of the two plates of the main guard plate 3 and are controlled by the single chip microcomputer to be electrified at fixed time to generate heat.

As shown in fig. 4, the working process of the present invention is: when no train passes through, the fork snow-proof cover is in a closed state and is turned over and heated at regular time under the control of the single chip microcomputer circuit so as to clear accumulated snow and carry out self-checking on the device. When the turnout snow protection cover receives a starting signal (namely a train arrival signal or a singlechip circuit timing starting signal) of a coming train, the air pump is started firstly, compressed air enters the telescopic push rod 7 through the guide pipe, and the telescopic push rod 7 extends outwards, so that the side wing protection plate 2 is driven to be upwards turned and opened, and the turning function of the side wing protection plate is realized. After the side wing protection plate 2 is turned up, the large gear 4 is driven by the motor to rotate, and the motor torque is transmitted to the main protection plate 3 through the meshed small gear 5, so that the main protection plate 3 is controlled to rotate and open, and the turning function of the main protection plate is realized. When a closing signal is detected (namely, a train leaving signal or a timed closing signal of a single chip microcomputer circuit is detected through a track circuit), the motor rotates reversely to close the main guard plate 3, then the air pump works again to drive the flank guard plates 2 to close, the device enters a sealing state, and the hairbrushes arranged at the grooves of the flank guard plates 2 are further combined with the switch rails to prevent external accumulated snow from entering the device from the side face.

When the temperature sensor detects that the outdoor temperature is lower than the set temperature (the initial temperature is 0 ℃), namely the hidden danger of accumulated snow exists, the resistance wire can work. The thickness of the accumulated snow is detected in real time by five pressure sensors arranged on the main fender 3. When the main fender 3 is too snowy, the main fender 3 is automatically opened to dump the excessive snowy.

Compared with the traditional turnout snow removing device, the device ensures that the turnout normally operates in snowy weather, reduces energy consumption, prolongs the service life of the turnout and ensures the running safety of a train.

Claims

1. The utility model provides a convertible railway switch snow cover, characterized by sets up on the rail to include: the device comprises a main body protection structure, a mechanical driving mechanism and an information processing and controlling mechanism;

the main body protection structure consists of a protection cover (1), a side wing protection plate (2), a main protection plate (3) and a brush;

the mechanical driving mechanism consists of a large gear (4), a small gear (5), a telescopic push rod (7), a motor, an air pump and a transmission;

the information processing and controlling mechanism consists of a singlechip, an electric heating wire, a pressure sensor, a temperature sensor, a Hall effect type position sensor (8) and a trackside control unit;

the main guard board (3) is formed by combining two separable boards, and connecting rods are arranged on four top corners of the main guard board (3); the front end face and the rear end face of each of the two plates of the main guard plate (3) are connected with the corresponding side wing guard plate (2) through hinges, so that the side wing guard plates (2) can rotate around the two plates of the main guard plate (3) in the vertical direction; (ii) a Two sides of the main guard plate (3) are provided with protective covers (1);

a groove is formed in the middle of the side wing protection plate (2) and used for mounting the hairbrush;

the lower surfaces of the two main guard plates (3) are respectively fixed with a pair of telescopic push rods (7) through bolts, one end of each telescopic push rod (7) is connected with the side wing guard plate (2), and the other end of each telescopic push rod is connected with the air pump through a conduit; the air pumps are all positioned inside the protective cover (1);

a motor is also arranged in the protective cover (1); the motor is connected with an input shaft of the transmission; the input shaft is sleeved with the large gear (4), the large gear (4) is meshed with the small gear (5), and the small gear (5) is sleeved on a connecting rod of the main guard plate (3), so that the motor driving gear can drive the main guard plate (3) to rotate when rotating;

the Hall effect position sensor (8) is electrically connected with the trackside control unit, so that sensor information is transmitted to an external railway information terminal through the trackside control unit.

2. The turnover type railway switch snow guard of claim 1, wherein:

the upper surface of the main guard board (3) takes the splicing line of the two boards as a starting point and gradually inclines downwards towards the two edges to form a slope, and the splicing position of the two boards of the main guard board (3) is provided with a sealing waterproof adhesive tape.

3. The turnover type railway switch snow guard of claim 2, wherein:

the pressure sensors are respectively positioned at the center and four corners of the lower surfaces of the two plates of the main guard plate (3);

the electric heating wires are respectively positioned on the lower surfaces of the two plates of the main guard plate (3), and the singlechip controls the timing electrification to generate heat;

the temperature sensor is positioned on the lower surface of the main guard plate (3) and used for detecting the ambient temperature in real time;

the Hall effect type position sensor (8) is located on one side of the large gear (4) and used for indirectly monitoring the rotation angle of the small gear (5).