阅读说明：本技术 一种轨道交通智能电磁体刹车装置及方法 (Intelligent electromagnet braking device and method for rail transit ) 是由 孙永武 柴正均 彭龙虎 申朝震 丁敏 李建辉 王娟 赵喜庆 何春岩 李海东 杨维 于 2020-06-09 设计创作，主要内容包括：一种轨道交通智能电磁体刹车装置及方法,属于轨道交通领域。包括：电磁体刹车体、弹簧提拉器、吸合力测量传感器、遥控器控制端、轨道、配电装置。电磁体刹车体固定于弹簧提拉器的下端,电磁体刹车体与钢轨面保持间隙,保证安装电磁体刹车体的梯车在钢轨上正常行驶；当梯车需要制动刹车时,松开弹簧提拉器,并将电磁体刹车体放下,使电磁体刹车体与轨道轨道面紧密接触,同时采用电阻器控制电磁场强度(吸力大小),使电磁刹车体吸附于轨道轨道面上。本发明结构简单,便于操作,属于智能化操作装置,采用本发明装置可以保证接触网梯车在施工过程中的平稳,有效防止接触网梯车在施工中的倾覆,减少人员伤亡,增加梯车的安全性和可靠性。(An intelligent electromagnet braking device and method for rail transit belong to the field of rail transit. The method comprises the following steps: the device comprises an electromagnet brake body, a spring puller, a suction force measuring sensor, a remote controller control end, a track and a power distribution device. The electromagnet braking body is fixed at the lower end of the spring puller, and a gap is kept between the electromagnet braking body and the steel rail surface, so that the ladder truck provided with the electromagnet braking body can normally run on the steel rail; when the ladder car needs to brake, the spring puller is loosened, the electromagnet brake body is put down to be in close contact with the rail surface of the rail, and the resistor is adopted to control the strength (the suction force) of the electromagnetic field so that the electromagnetic brake body is adsorbed on the rail surface of the rail. The intelligent operation device has the advantages of ensuring the stability of the contact net tower wagon in the construction process, effectively preventing the overturn of the contact net tower wagon in the construction process, reducing casualties and increasing the safety and reliability of the tower wagon.)

1. The utility model provides a rail transit intelligence electromagnet brake equipment which characterized in that includes: the device comprises an electromagnet brake body (1), a spring puller (2), a suction force measuring sensor (3), a remote controller control end (4), a track (5) and a power distribution device (6);

the electromagnet brake body (1) is fixed to the lower edge of the ladder car through a spring puller (2), is positioned right above the rail surface of the steel rail (5) and keeps a gap with the rail surface; a spring is arranged in the spring puller (2), so that the rising and falling of the electromagnet brake body (1) can be controlled conveniently;

the electromagnet brake body (1) is as follows: an electromagnetic brake pad (1.1) is inserted into the electromagnetic coil (1.2), the electromagnetic brake pad (1.1) is an iron core, and the electromagnetic coil (1.2) and a power distribution device, namely an adjustable resistor, a switch and a power supply form a circuit; the electromagnet brake body (1) is internally provided with a suction force measuring sensor (3), the suction force measuring sensor (3) and a remote controller control end (4) are in digital or signal wireless or wired connection, and the remote controller control end (4) is connected with an adjustable resistor and can adjust the resistor.

2. An intelligent electromagnet brake apparatus for rail transit as claimed in claim 1, wherein after an iron core is inserted into an electromagnetic coil, i.e. a spiral tube, the iron core is magnetized by a magnetic field of an energized solenoid, and the magnetized iron core also becomes a magnet, so that the magnetic property of the solenoid is greatly enhanced due to the superposition of the two magnetic fields; the electromagnet brake body (1) and the track (5) are attracted together, the attraction force between the electromagnet brake body and the track can be adjusted by adjusting the resistor, the electromagnet brake body has attraction force with different sizes, the viscous force is increased, the purpose of automatically controlling the brake and the degree of controlling the brake are realized, the dual functions of speed reduction and brake are achieved, meanwhile, due to the effect of the electromagnetic attraction force, the connection between the ladder car and the track (5) is enhanced, and the purpose of preventing the ladder car from overturning can be achieved. The operation of the ladder car is controlled by controlling the size of the suction force between the electromagnet brake body (1) and the track (5), and the ladder car is fixed and limited. The braking force given by the rail (5) does not act on the vehicle through a wheel rail contact point, but acts on the electromagnet braking device (1) through the rail (5), so that the loss of the elevator wheel caused by braking is reduced.

3. The intelligent electromagnet brake device for rail transit according to claim 1, wherein the attraction force measuring sensor (3) can monitor the magnitude of attraction force between the electromagnetic brake pad (1.1) and the rail (5) in real time, and transmits the monitored data in a wireless signal manner to be received by the control end (4) of the remote controller; an operator or a working system automatically adjusts the resistance of the rheostat to control the electromagnetic field intensity according to the measuring result displayed by the control end of the remote controller, and adjusts the braking force in the braking process of the ladder car, so that the electromagnet brake body (1) and the track (5) are attracted to perform braking control, the ladder car is ensured to be more stable in the braking process, and the comfort and the safety of construction of technicians are improved.

4. The intelligent electromagnet braking device for the rail transit according to claim 1, wherein when the intelligent electromagnet braking device needs to be braked in the running process, the braking device is started, a control end (4) of a remote controller sends a braking signal, an electromagnetic coil (1.2) is electrified, an electromagnet generates electromagnetic force to attract the top surface of a rail, so that an electromagnet braking body (1) and the rail (5) are attracted to brake, and a ladder car is stopped; after the braking action is finished, the spring puller (2) fixed under the ladder car pulls the electromagnetic brake pad (1.1) to reset.

5. An intelligent electromagnet brake device for rail transit as claimed in claim 1, wherein the remote controller control terminal (4) is provided with an emergency brake button, when the emergency brake is required due to danger of the ladder car, the ladder car can be ensured to realize manual rapid brake in emergency, and the sensor can control the maximum brake force of the train during the emergency, so that the ladder car is ensured not to overturn in case of manual emergency brake.

6. An operation mode of the intelligent electromagnet brake device for rail transit according to claims 1-5 is characterized in that the electromagnetic field intensity after the electromagnet is electrified is set as that F is the attraction force generated by the electromagnet brake body (1) to the rail 5, F is F (), the attraction force is measured by the attraction force measuring sensor (3), a brake signal is sent by the remote controller control end (4), the system automatically adjusts the resistance of the rheostat according to the measuring result of the attraction force measuring sensor (3) to control the electromagnetic field intensity, so that the electromagnet brake body (1) is attracted with the rail (5) to carry out brake control, the spring puller (2) is arranged at the position of the upper side control electromagnet of the electromagnet brake body (1), the electromagnet brake is put down, the electromagnet brake body (1) is in close contact with the rail (5), the overturning of the ladder car is effectively prevented, and the spring puller (2) can be lifted to separate the electromagnet brake body (1) from the rail (5), and the normal operation of the vehicle is ensured.

The technical field is as follows:

the invention is mainly applied to the braking and overturn prevention of a contact net tower wagon in railway, subway and urban railway construction and maintenance management, and belongs to the field of rail transit.

Background art:

in the construction and maintenance management of the upper part of a contact network such as an electrified railway, a ladder car is one of necessary tools, the ladder car needs to run back and forth on a track in site construction, the track at a curve section of the track is ultrahigh, so that the ladder car is inclined, when the ultrahigh of a track surface is larger, the gradient of the ladder car is larger, the construction and adjustment operation of the contact network ladder car are seriously influenced, and the serious potential safety hazard exists. The contact net tower wagon that uses at present pushes away, holds up with the manual work and carries out the ladder car that drives and stabilize, needs 4 to push away, hold up personnel (1 angle 1 people) plus 1 safety and lookout person to realize walking and the operation of ladder car. In addition, the height of the manual pushing and staircase vehicle is larger, the bottom area is very small, the rail wheels ride on the rails to run, the stability of the staircase vehicle in the running and operating process is only held and run by the feeling of workers, the staircase vehicle is easy to be unstable and overturn by carelessness, and the falling injury and death of the workers are often caused. How to adopt effective and safe measures to prevent the ladder car from overturning is an important problem in the construction of installing a contact network and the like by utilizing the ladder car, and the method has important theoretical significance and engineering practical value.

Disclosure of Invention

The invention discloses an intelligent electromagnet brake device and method for rail transit, which is a novel brake device, has an anti-overturning function and an intelligent control function, and can automatically control braking and keep stable operation and operation of a ladder car.

The utility model provides a rail transit intelligence electromagnet brake equipment which characterized in that includes: the device comprises an electromagnet brake body (1), a spring puller (2), a suction force measuring sensor (3), a remote controller control end (4), a track (5) and a power distribution device (6).

The electromagnet brake body (1) is fixed to the lower edge of the ladder car through a spring puller (2), is positioned right above the rail surface of the steel rail (5) and keeps a gap with the rail surface; a spring is arranged in the spring puller (2), so that the rising and falling of the electromagnet brake body (1) can be controlled conveniently;

the electromagnet brake body (1) is as follows: an electromagnetic brake pad (1.1) is inserted into the electromagnetic coil (1.2), the electromagnetic brake pad (1.1) is an iron core, and the electromagnetic coil (1.2) and a power distribution device, namely an adjustable resistor, a switch and a power supply form a circuit; the electromagnet brake body (1) is internally provided with a suction force measuring sensor (3), the suction force measuring sensor (3) and a remote controller control end (4) are in digital or signal wireless or wired connection, and the remote controller control end (4) is connected with an adjustable resistor and can adjust the resistor.

When the iron core is inserted into the solenoid coil, the iron core is magnetized by the magnetic field of the electrified solenoid, and the magnetized iron core also becomes a magnet, so that the magnetism of the solenoid is greatly enhanced due to the mutual superposition of the two magnetic fields; the electromagnet brake body (1) and the track (5) are attracted together, the attraction force between the electromagnet brake body and the track can be adjusted by adjusting the resistor, the electromagnet brake body has attraction force with different sizes, the viscous force is increased, the purpose of automatically controlling the brake and the degree of controlling the brake are realized, the dual functions of speed reduction and brake are achieved, meanwhile, due to the effect of the electromagnetic attraction force, the connection between the ladder car and the track (5) is enhanced, and the purpose of preventing the ladder car from overturning can be achieved. The operation of the ladder car is controlled by controlling the size of the suction force between the electromagnet brake body (1) and the track (5), and the ladder car is fixed and limited. The braking force given by the rail (5) does not act on the vehicle through a wheel rail contact point, but acts on the electromagnet braking device (1) through the rail (5), so that the loss of the elevator wheel caused by braking is reduced.

The suction force measuring sensor (3) can monitor the suction force between the electromagnetic brake pad (1.1) and the track (5) in real time, and transmits the monitored data in a wireless signal mode to be received by the control end (4) of the remote controller; an operator or a working system automatically adjusts the resistance of the rheostat to control the electromagnetic field intensity according to the measuring result displayed by the control end of the remote controller, and adjusts the braking force in the braking process of the ladder car, so that the electromagnet brake body (1) and the track (5) are attracted to perform braking control, the ladder car is ensured to be more stable in the braking process, and the comfort and the safety of construction of technicians are improved.

When the ladder car needs to be braked in the running process, the brake device is started, the control end (4) of the remote controller sends a brake signal, the electromagnetic coil (1.2) is electrified, the electromagnet generates electromagnetic force to attract the top surface of the track, so that the electromagnet brake body (1) and the track (5) are attracted to brake, and the ladder car is stopped; after the braking action is finished, the spring puller (2) fixed under the ladder car pulls the electromagnetic brake pad (1.1) to reset. In addition, remote controller control end (4) set up emergency braking button, when the ladder car meets dangerous needs emergency brake, can guarantee that the ladder car realizes artifical quick braking brake under emergency, and the maximum braking force of train can be controlled to the sensor during to guarantee that the ladder car does not take place to overturn under the condition of artifical emergency brake.

Principle of electromagnet brake device:

the intensity of the electromagnetic field after the electromagnet is electrified is set as that F is equal to F () when the electromagnet brake body (1) generates attraction force F to the track (5), the attraction force is measured by the attraction force measuring sensor (3), a brake signal is sent by the remote controller control end (4), the system automatically adjusts the resistance of the rheostat according to the measuring result of the attraction force measuring sensor (3) to control the electromagnetic field intensity, so that the electromagnet brake body (1) is attracted with the track (5) to carry out brake control, the spring lifter (2) is installed on the upper side of the electromagnet brake body (1) to control the position of the electromagnet, the electromagnet brake is put down, the electromagnet brake body (1) is in close contact with the track (5), the overturning of the ladder car is effectively prevented, and the spring lifter (2) can be lifted to separate the electromagnet brake body (1) from the track (5), and the normal running of the car is ensured.

The device provided by the invention has the following beneficial effects:

the intelligent operation device has the advantages of ensuring the stability of the contact net tower wagon in the construction process, effectively preventing the overturn of the contact net tower wagon in the construction process, reducing casualties and increasing the safety and reliability of the tower wagon.

Description of the drawings:

FIG. 1 is a schematic diagram of an electromagnet;

FIG. 2 is a general schematic diagram of the intelligent electromagnet braking device for rail transit;

FIG. 3 is a schematic front view of the electromagnetic braking device;

figure 4 is a schematic view of the electromagnet brake block 1;

FIG. 5 is a schematic view of a spring puller;

FIG. 6 is a schematic diagram of a track;

fig. 7 is a circuit diagram of an electromagnetic brake circuit, i.e., a power distribution device.

The attached drawings are marked as follows: 1-the electromagnet brake block comprises: 1.1 an electromagnetic brake pad; 1.2 electromagnetic coil, 2-spring lifting device, 3 attracting force sensor, 4-remote controller control end, 5-track, 6 power distribution device.

The specific implementation mode is as follows:

the specific implementation method of the present invention will be described in detail with reference to the accompanying drawings, which are only schematic diagrams and only illustrate the basic structure of the present invention, and the embodiments of the present invention are developed by those skilled in the art without creativity, and all belong to the protection scope of the present invention.

As shown in figures 1-7, the invention provides an intelligent electromagnet braking device for rail transit, wherein an electromagnetic coil 1.2 is arranged outside an electromagnet braking body, the electromagnetic coil 1.2 is connected with a power distribution device 6 through a lead, the upper end of the electromagnet braking body 1 is connected with the lower end of a ladder car through a spring puller 2, and a gap is reserved between the lower end of the electromagnet braking body 1 and a rail 5.

The electromagnet brake body 1 is fixed at the lower end of the spring puller 2, and a gap is kept between the electromagnet brake body 1 and a steel rail surface, so that the ladder truck provided with the electromagnet brake body 1 can normally run on a steel rail 5; when the ladder car needs to be braked, the spring puller 2 is loosened, the electromagnet brake body 1 is put down, the electromagnet brake body 1 is in close contact with the rail surface of the rail 5, and meanwhile, the resistor is adopted to control the strength (the suction force) of the electromagnetic field, so that the electromagnetic brake body 1 is adsorbed on the rail surface of the rail 5.

The suction force measuring sensor 3 can monitor the suction force between the electromagnet braking device 1 and the track 5 in real time, transmits monitoring data in a wireless signal mode, and receives the monitoring data through the remote controller control end 4, the remote controller control end is provided with a signal receiving device for receiving the wireless signal sent by the suction force sensor 3, the remote controller control end 4 receives the wireless signal sent by the suction force sensor 3, and the suction force data between the electromagnet braking device 1 and the steel rail 5 is monitored in real time. Specifically, when the brake is performed, an operator starts the brake device, the spring puller 2 puts down the electromagnet brake body 1, a signal is sent through the remote controller control end 4, the electromagnetic coil is electrified through the power distribution device, the electromagnet 1.1 generates electromagnetic force to attract the top surface of the rail 5, and the electromagnet brake device 1 and the rail 5 are attracted to brake. Due to the attraction of the electromagnet and the track, the two sides of the ladder car are simultaneously subjected to downward traction force, and the situation that the ladder car inclines forwards and turns on one side when braking is reduced.