阅读说明：本技术 一种客运地面缆车安全保护系统 (Passenger transport ground cable car safety protection system ) 是由 焦铁柱 赵志仁 何前 周航 成俊海 于 2021-10-29 设计创作，主要内容包括：本发明涉及地面客运缆车领域,采用的技术方案为：一种客运地面缆车安全保护系统,包括轿厢和远程控制室,所述远程控制室内部署有终端控制器,还包括运行防护系统,所述运行防护系统包括双断绳检测单元、双超检测单元和双信号传输单元；本发明可以对缆车运行中的行驶速度、钢索的张力值进行实时监测,并且双断绳检测单元、双超检测单元的设置,两组检测单元分别安装在移动载体和固定载体上,任意一组单元发生故障时,另一组单元正常有效,保证了检测信号的准确、可靠。其次,双信号传输单元采用有线和无线两种方式,确保了信号的稳定、可靠。(The invention relates to the field of ground passenger cable cars, and adopts the technical scheme that: a passenger transport ground cable car safety protection system comprises a car and a remote control room, wherein a terminal controller is arranged in the remote control room, and the passenger transport ground cable car safety protection system also comprises an operation protection system, wherein the operation protection system comprises a double-broken-rope detection unit, a double-super detection unit and a double-signal transmission unit; the invention can monitor the running speed of the cable car and the tension value of the steel cable in real time, and the double broken rope detection units and the double super detection units are arranged, two groups of detection units are respectively arranged on the movable carrier and the fixed carrier, when any one group of units breaks down, the other group of units is normal and effective, thereby ensuring the accuracy and reliability of the detection signal. Secondly, the double-signal transmission unit adopts a wired mode and a wireless mode, and stability and reliability of signals are guaranteed.)

1. The utility model provides a passenger transport ground cable car safety protection system which characterized in that: the elevator car protection system comprises a car (1) and a remote control room (18), wherein a terminal controller (17) is arranged in the remote control room (18), and the elevator car protection system also comprises an operation protection system, wherein the operation protection system comprises a double-broken-rope detection unit, a double-super detection unit and a double-signal transmission unit;

the double-broken-rope detection unit is used for monitoring the tension value of a steel cable (10) of the car (1) in real time and transmitting the tension monitoring value to the terminal controller (17) through the double-signal transmission unit;

the double-super detection unit is used for monitoring the running speed of the car (1) and the rope speed of the steel cable (10) in real time and transmitting a speed monitoring value to the terminal controller (17) through the double-signal transmission unit;

and the terminal controller (17) is used for remotely controlling the car (1) according to one or more of the tension monitoring value, the speed monitoring value or the running state as a control signal.

2. A passenger ground cable car safety protection system as claimed in claim 1, wherein: the dual-signal transmission unit comprises a wireless AP/network bridge (16), a fixed omnidirectional antenna (15), a mobile omnidirectional antenna (9) and a fast roaming client (2), wherein the mobile omnidirectional antenna (9) and the fast roaming client (2) are arranged on the side of the car (1), and the wireless AP/network bridge (16) and the fixed omnidirectional antenna (15) are arranged on the side of a remote control room (18);

the fixed omnidirectional antenna (15) is respectively in communication interconnection with a terminal controller (17) and a wireless AP/network bridge (16), the fast roaming client (2) is in communication interconnection with a mobile omnidirectional antenna (9), and the mobile omnidirectional antenna (9) is in communication interconnection with the wireless AP/network bridge (16).

3. A passenger ground cable car safety protection system as claimed in claim 2, wherein: the double-signal transmission unit further comprises a sliding contact line (11), the sliding contact line (11) is arranged along a track running on the car (1), the sliding contact line (11) is communicated with a terminal controller (17), a current collector (6) is arranged on the sliding contact line (11), and the current collector (6) is installed on the car (1).

4. A passenger ground cable car safety protection system according to claim 3, wherein: the double-broken-rope detection unit comprises a first tension detection module and a second tension detection module, the first tension detection module comprises a tension sensor (14) installed at the tail end of the steel cable (10), and the tension sensor (14) is connected with the wireless AP/network bridge (16) and the terminal controller (17) through signal lines respectively;

the second tension detection module comprises a track brake controller (4) arranged in the car (1) and a tension sensor (8) arranged on a guide wheel structure at the bottom of the car (1), the tension sensor (8) is respectively connected with the track brake controller (4) and the fast roaming client (2) through signal lines, and the track brake controller (4) is communicated and interconnected with the fast roaming client (2); the current collector (6) is in communication connection with the track brake controller (4).

5. A passenger ground cable car safety protection system according to claim 4, wherein: the track brake device is characterized by further comprising a brake (5), wherein the brake (5) is connected with the track brake controller (4) through a signal line.

6. A passenger ground cable car safety protection system according to claim 4, wherein: the current collector (6) adopts a double-brush structure.

7. A passenger ground cable car safety protection system according to claim 4, wherein: the double-super detection unit comprises a running speed detection module and a rope speed detection module, the running speed detection module comprises a first hole disc (7) and a first Hall sensor (3), the first hole disc (7) is installed on a wheel of the lift car (1), and the first Hall sensor (3) is respectively connected with the fast roaming client (2) and the track brake controller (4) through signal lines;

the rope speed detection module comprises a second hole disc (12) and a second Hall sensor (13), the second hole disc (12) is installed on a first guide wheel arranged on the side of a remote control room (18), and the second Hall sensor (13) is connected with a wireless AP/network bridge (16) and a terminal controller (17) through signal lines respectively.

8. A passenger ground cable car safety protection system according to claim 7, wherein: the operation protection system further comprises a protection unit for performing broken shaft protection on the first guide wheel, the protection unit comprises a broken shaft detection switch (23) and a protection structure, the protection structure is installed on the first guide wheel, and broken shaft fault information monitored by the broken shaft detection switch (23) is sent to the terminal controller (17).

9. A passenger ground cable car safety protection system as claimed in claim 8, wherein: the protective structure comprises a wheel base (24), wherein a wheel shaft (25) is arranged on the wheel base (24), the first guide wheel is rotatably connected to the wheel shaft (25), a plurality of reinforcing plates (26) are arranged on the wheel base (24) on the periphery of the wheel shaft (25), one end, far away from the wheel base (24), of each reinforcing plate (26) is provided with a protrusion (27), the first guide wheel is provided with a circle of convex edge (28), the convex edge (28) is provided with a circle of limiting groove (29), the protrusion (27) is inserted into the limiting groove (29), and the width of the limiting groove (29) is larger than the thickness of the protrusion (27).

10. A passenger ground cable car safety protection system as claimed in claim 9, wherein: the reinforcing plate (26) adopts 4 blocks.

Technical Field

The invention relates to the field of ground passenger cable cars, in particular to a safety protection system for a passenger ground cable car.

Background

The car of the ground passenger cable car is generally pulled by a steel wire rope, is driven by a winch with a large-diameter roller, and generally runs back and forth along a track with a certain gradient. Can be used as a public transport means in cities and can also be used as a tour and sightseeing carrier for tourists in scenic spots. Because the traction system and the lift car are flexibly connected, the structure is special, and serious safety accidents can be caused by rope breakage, overspeed and signal transmission faults. Because of the life safety of passengers, the reliability of the safety protection system becomes the most concerned focus in the design, manufacture, installation and acceptance of cable cars.

Disclosure of Invention

The invention aims to provide a safety protection system for a passenger ground cable car. The problem of serious safety accidents caused by rope breakage, overspeed and signal transmission faults in the background art is solved.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a passenger transport ground cable car safety protection system comprises a car and a remote control room, wherein a terminal controller is arranged in the remote control room, and the passenger transport ground cable car safety protection system also comprises an operation protection system, wherein the operation protection system comprises a double-broken-rope detection unit, a double-super detection unit and a double-signal transmission unit;

the double-broken-rope detection unit is used for monitoring the tension value of the steel cable of the lift car in real time and transmitting the tension monitoring value to the terminal controller through the double-signal transmission unit;

the double-super detection unit is used for monitoring the running speed of the lift car and the rope speed of the steel cable in real time and transmitting a speed monitoring value to the terminal controller through double signals;

and the terminal controller is used for remotely controlling the elevator car according to one or more of the tension monitoring value, the speed monitoring value or the running state as a control signal.

Preferably, the dual signal transmission unit includes a wireless AP/network bridge, a fixed omnidirectional antenna, a mobile omnidirectional antenna and a fast roaming client, the mobile omnidirectional antenna and the fast roaming client are disposed on the car side, and the wireless AP/network bridge and the fixed omnidirectional antenna are disposed on the remote control room side;

the fixed omnidirectional antenna is respectively in communication interconnection with the terminal controller and the wireless AP/network bridge, the fast roaming client is in communication interconnection with the mobile omnidirectional antenna, and the mobile omnidirectional antenna is in communication interconnection with the wireless AP/network bridge.

Preferably, the double-signal transmission unit further comprises a trolley line, the trolley line is arranged along a track running on the car, the trolley line is in communication connection with the terminal controller, a current collector is arranged on the trolley line, and the current collector is installed on the car.

Preferably, the double-rope-breakage detecting unit comprises a first tension detecting module and a second tension detecting module, the first tension detecting module comprises a tension sensor installed at the tail end of the steel cable, and the tension sensor is respectively connected with the wireless AP/network bridge and the terminal controller through signal lines;

the second tension detection module comprises a track brake controller arranged in the car and a tension sensor arranged on a guide wheel structure at the bottom of the car, the tension sensor is respectively connected with the track brake controller and the fast roaming client through signal wires, and the track brake controller and the fast roaming client are communicated and interconnected; the current collector is in communication with the track brake controller.

Preferably, the track brake system further comprises a brake, and the brake is connected with the track brake controller through a signal wire.

Preferably, the current collector adopts a double-brush structure.

Preferably, the double-super detection unit comprises a running speed detection module and a rope speed detection module, the running speed detection module comprises a first hole disc and a first hall sensor, the first hole disc is installed on a wheel of the car, and the first hall sensor is respectively connected with the fast roaming client and the track brake controller through signal lines;

the rope speed detection module comprises a second hole disc and a second Hall sensor, the second hole disc is installed on a first guide wheel arranged on the side of the remote control room, and the second Hall sensor is connected with the wireless AP/network bridge and the terminal controller through signal lines respectively.

Preferably, the operation protection system further comprises a protection unit for performing broken shaft protection on the first guide wheel, the protection unit comprises a broken shaft detection switch and a protection structure, the protection structure is installed on the first guide wheel, and the broken shaft detection switch sends monitored broken shaft fault information to the terminal controller.

Preferably, the protective structure includes a wheel base, a wheel shaft is arranged on the wheel base, the first guide wheel is rotatably connected to the wheel shaft, a plurality of reinforcing plates are arranged on the wheel base around the wheel shaft, a protrusion is arranged at one end, away from the wheel base, of each reinforcing plate, a circle of bead is arranged on the first guide wheel, a circle of limiting groove is arranged on each bead, the protrusion is inserted into the limiting groove, and the width of each limiting groove is larger than the thickness of the protrusion.

Preferably, the reinforcing plate is 4 pieces.

The beneficial effects of the invention are concentrated and expressed as follows:

1. the invention can monitor the running speed of the cable car and the tension value of the steel cable in real time.

2. The invention also provides a double-break rope detection unit and a double-super detection unit, wherein two groups of detection units are respectively arranged on the movable carrier and the fixed carrier, and when any one group of units fails, the other group of units is normal and effective, thereby ensuring the accuracy and reliability of detection signals.

3. The double-signal transmission unit adopts a wired mode and a wireless mode, and ensures the stability and reliability of signals.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the protection system of the present invention;

FIG. 2 is a schematic view of the installation of the structure of the guide wheel at the bottom of the cage of the present invention;

FIG. 3 is a schematic view of the tension sensor configuration of the present invention;

FIG. 4 is a schematic structural view of a broken shaft protection unit of the present invention;

illustration of the drawings: 1. a car; 2. a fast roaming client; 3. a first Hall sensor; 4. a track brake controller; 5. a brake; 6. a current collector; 7. a first orifice plate; 8. a tension sensor; 9. a mobile omnidirectional antenna; 10. a steel cord; 11. a trolley line; 12. a second orifice disk; 13. a second Hall sensor; 14. a tension sensor; 15. a fixed omnidirectional antenna; 16. a wireless AP/bridge; 17. a terminal controller; 18. a remote control room; 19. a wheel carrier; 20. a beam frame; 21. a guide slide rail; 22. a second guide wheel; 23. a broken shaft detection switch; 24. a wheel base; 25. a wheel axle; 26. a reinforcing plate; 27. a protrusion; 28. a rib; 29. a limiting groove.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a passenger ground cable car safety protection system comprises a car 1, a remote control room 18, a rail and a steel cable 10, wherein the car 1 can slide on the rail, the rail plays a role of guiding, and the steel cable 10 is used for driving the cable car; the remote control room 18 is mainly provided with a terminal controller 17 for controlling the operation of the car 1, in this embodiment, the terminal controller 17 adopts a PLC controller, and further comprises an operation protection system for monitoring the operation state of the cable car, wherein the operation protection system comprises a double-broken-rope detection unit, a double-super detection unit and a double-signal transmission unit;

the double-broken-rope detection unit is used for monitoring the tension value of the steel cable 10 of the car 1 in real time and transmitting the tension monitoring value to the terminal controller 17 through the double-signal transmission unit;

the double-super detection unit is used for monitoring the running speed of the car 1 and the rope speed of the steel rope 10 in real time and transmitting a speed monitoring value to the terminal controller 17 through double signals;

the terminal controller 17 is used for remotely controlling the car 1 according to one or more of the tension monitoring value, the speed monitoring value or the running state as a control signal; when any one of the monitoring values is abnormal, the car 1 can be braked by the braking unit, so that the safety coefficient of the cable car operation is improved.

Further, the dual signal transmission unit comprises a wireless AP/network bridge 16, a fixed omnidirectional antenna 15, a mobile omnidirectional antenna 9 and a fast roaming client 2, wherein the mobile omnidirectional antenna 9 and the fast roaming client 2 are deployed on the side of the car 1, the fast roaming client 2 is installed in the car 1, the mobile omnidirectional antenna 9 is installed outside the car 1, the wireless AP/network bridge 16 and the fixed omnidirectional antenna 15 are deployed on the side of a remote control room 18, the fixed omnidirectional antenna 15 is installed outside the remote control room 18, and the wireless AP/network bridge 16 is installed in the remote control room 18;

the fixed omnidirectional antenna 15 is respectively in communication interconnection with a terminal controller 17 and a wireless AP/network bridge 16, the fast roaming client 2 is in communication interconnection with a mobile omnidirectional antenna 9, and the mobile omnidirectional antenna 9 is in communication interconnection with the wireless AP/network bridge 16.

Furthermore, as the wireless communication mode is directly adopted, wireless transmission is easily interfered and unreliable in practical application, so that potential safety hazards exist during the operation of the cable car; therefore, the double-signal transmission unit is further improved, the double-signal transmission unit further comprises a sliding contact line 11, the sliding contact line 11 is arranged along a track of the car 1, the sliding contact line 11 is in communication connection with a terminal controller 17, a current collector 6 is arranged on the sliding contact line 11, the current collector 6 is installed on the car 1, a relay is connected with a track brake controller 4 through a signal line, and when the current collector 6 is connected with or normally slides through the sliding contact line 11, the current collector 6 is in double-brush connection to ensure stable signal transmission and avoid misoperation.

In this embodiment, the wireless AP/bridge 16 can replace the network cable, the optical fiber and other devices that need to be wired or pulled to perform long-distance wireless transmission, and under the condition that some wiring is difficult or even impossible, the problem can be solved by using the wireless AP/bridge 16; in addition, the trolley line 11 has the advantages of reliable and stable transmission, strong anti-interference capability and the like because of simple structure and convenient installation, is used for signal transmission, and can be suitable for the conditions of long sliding distance (the running length is 250m) and high sliding speed (2.5 m/s); secondly, the sliding contact line 11 is a DHG type multipolar conduit type sliding contact line 11, the signal frequency of the mobile omnidirectional antenna 9 and the fixed omnidirectional antenna 15 is 2.4GHz, and the gain is 12 dB.

Further, the double rope breakage detecting unit includes a first tension detecting module and a second tension detecting module, as shown in fig. 1 and 3, the first tension detecting module includes a tension sensor 14 installed at an end of the steel rope 10, that is, the tension sensor 14 is disposed at a control room side, the tension sensor 14 directly detects tension of the steel rope 10 to determine whether the steel rope 10 is overloaded or short; the tension sensor 14 is respectively connected with the wireless AP/network bridge 16 and the terminal controller 17 through signal wires;

the second tension detection module comprises a track brake controller 4 installed in the car 1 and a tension sensor 8 installed on a guide wheel structure at the bottom of the car 1, in this embodiment, for the specific structure of the guide wheel structure, as shown in fig. 2, the guide wheel structure comprises a wheel frame 19, the wheel frame 19 is in a frame structure, a second guide wheel 22 is rotatably connected on the wheel frame 19, a beam frame 20 is sleeved outside the wheel frame 19, the beam frame 20 is fixed on the bottom of the car 1, a guide slide rail 21 is arranged on the side wall opposite to the beam frame 20, two sides of the wheel frame 19 are inserted on the guide slide rail 21, the tension sensor 8 is arranged in the sliding direction of the wheel frame 19, one end of the tension sensor 8 is connected with the wheel frame 19, the other end is connected with the beam frame 20, the tension sensor 8 is respectively connected with the track brake controller 4 and the fast roaming client 2 through signal lines, the track brake controller 4 is communicated and interconnected with the fast roaming client 2; the current collector 6 is in communication connection with the track brake controller 4; the tension sensor 8 can measure the tension of the wire rope 10 and the load of the car 1 to determine whether the car 1 is overloaded.

In this embodiment, the tension sensor 8 and the tension sensor 14 can simultaneously monitor the tension of the steel cable 10 in real time, and then the terminal controller 17 judges that the cable is broken or the rail is overloaded according to the received signal. The tension sensor 14 is a lateral pressure time tension sensor 14, the tension sensor 8 is a template ring tension sensor 8, the output signals of the two sensors are 4-20mA current signals, the two sensors are high in measurement accuracy, stable in performance and convenient to install, and the device is suitable for long-term measurement and monitoring of the tension of the steel cable 10.

Further, a brake 5 is also included, the brake 5 is connected with the track brake controller 4 through a signal line, and the brake 5 is used for emergency braking of the car 1.

The control principle is as follows: and setting a maximum allowable tension and a minimum allowable tension in a control program of the terminal controller 17, judging that the traction rope is broken by the system when the detected tension is less than the minimum allowable tension, and starting the emergency braking system. When the detected tension is larger than the maximum allowable tension, the system judges that the rail is overloaded, buzzes and alarms

Further, the double-super detection unit comprises a running speed detection module and a rope speed detection module, the running speed detection module comprises a first hole disc 7 and a first Hall sensor 3, the first hole disc 7 is installed on a wheel of the car 1, the first Hall sensor 3 is installed on a support of the wheel, and the first Hall sensor 3 is respectively connected with the fast roaming client 2 and the track brake controller 4 through signal lines; in this embodiment, the wheel rotates to drive the first hole plate 7 to rotate, the circuit magnetic resistance change is caused when the circular hole passes through the first hall sensor 3, a square wave electric pulse signal is formed after amplification and shaping, the signal reaches the terminal controller 17 through the double-signal transmission unit, and the terminal controller 17 calculates the wheel rotating speed according to the number of pulses received in unit time and converts the wheel rotating speed into the running speed of the car 1.

The rope speed detection module comprises a second hole disc 12 and a second Hall sensor 13, the second hole disc 12 is installed on a first guide wheel arranged on the side of a remote control room 18, and the second Hall sensor 13 is respectively connected with a wireless AP/network bridge 16 and a terminal controller 17 through signal lines; in this embodiment, the second guide wheel 22 rotates to drive the hole disc to rotate, the circuit magnetic resistance changes when the circular hole passes through the second hall sensor 13 to form a square-wave electric pulse signal, the signal is transmitted to the terminal controller 17 through a communication line, the rope speed of the steel wire rope for pulling the car 1 is obtained by recording the number of pulses per unit time, and the running speed of the car 1 is determined.

In this embodiment, the first hole plate 7 and the second hole plate 12 are made of common carbon steel, and are fixed by bolts, so that the hole plates are convenient to disassemble and install during maintenance or testing.

The control principle is as follows: when the terminal controller 17 judges that the running speed of the car 1 exceeds 20% according to data sent back by any one detection module of the double-super detection unit, an emergency braking signal is immediately transmitted to the track brake controller 4 through the trolley line 11 and the wireless network bridge double channels, the track brake 5 is started for emergency braking, and meanwhile, a traction winch braking system of the car 1 is started.

Further, the steel cable 10 is wound around the first guide wheel, and since the rope-out and rope-in wrap angles of the first guide wheel are large, the wheel body and the wheel shaft 25 are repeatedly subjected to alternating stress, and the wheel shaft 25 also becomes an important potential safety hazard component, a broken shaft protection unit is provided, as shown in fig. 4, the operation protection system further comprises a protection unit for performing broken shaft protection on the first guide wheel, the protection unit comprises a broken shaft detection switch 23 and a protection structure, the protection structure is installed on the first guide wheel, and the broken shaft detection switch 23 sends the monitored broken shaft fault information to the terminal controller 17 to inform a worker in the control room.

Further, the protection structure comprises a wheel base 24, a wheel shaft 25 is arranged on the wheel base 24, the first guide wheel is rotatably connected to the wheel shaft 25, a plurality of reinforcing plates 26 are arranged on the wheel base 24 around the wheel shaft 25, a protrusion 27 is arranged at one end, away from the wheel base 24, of each reinforcing plate 26, a circle of convex edge 28 is arranged on the first guide wheel, a circle of limiting groove 29 is arranged on each convex edge 28, and the protrusion 27 is inserted into the corresponding limiting groove 29; after the protrusion 27 is inserted into the limiting groove 29, a gap exists between the protrusion and the limiting groove, mutual friction cannot occur, and then the broken shaft detection switch 23 is arranged on one side of the guide wheel; in the embodiment, four reinforcing plates 26 are preferably adopted, the reinforcing plates 26 are connected with the wheel base 24 through bolts, the four reinforcing plates 26 cover the wheel shaft 25, and after the shaft is broken, the guide wheel cannot fall off under the action of the protrusions 27, so that safety accidents are caused; the protective structure has the advantages of simple structure, convenient assembly and disassembly, low manufacturing cost and good practicability.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.