CN212356259U - Monorail crane capable of automatically driving overhead line - Google Patents
Monorail crane capable of automatically driving overhead line Download PDFInfo
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- CN212356259U CN212356259U CN202020126406.5U CN202020126406U CN212356259U CN 212356259 U CN212356259 U CN 212356259U CN 202020126406 U CN202020126406 U CN 202020126406U CN 212356259 U CN212356259 U CN 212356259U
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Abstract
The utility model belongs to single track hangs the field and the autopilot field especially relates to an autopilot overhead line single track hangs. Including bearing track, locomotive and controlling means, its characterized in that: the monorail locomotive mainly comprises a driving unit, a communication and information processing unit, a communication and display control unit, a signal detection unit and a hoisting unit. The two sides of the bearing track are respectively provided with a conductive track, the conductive tracks are connected with a driving part of the locomotive, the control device is connected with the driving part, and the control device is provided with a remote controller. The communication and information processing unit controls and feeds back information to the locomotive driving unit and the hoisting unit, collects signals of the signal detection unit and the communication and display control unit and makes corresponding processing signals. The driving part provides power and braking force for the operation of the locomotive. The lifting beam can realize the lifting work of the goods. The automatic driving trolley type monorail locomotive has the advantages of low noise, low failure rate, safety, environmental protection, convenience for maintenance and function expansion.
Description
Technical Field
The utility model relates to an autopilot overhead line single track hangs belongs to the single track and hangs field and autopilot field.
Background
The monorail crane is auxiliary transportation equipment which has strong maneuverability, high running speed, large load capacity, safety and reliability and runs on a suspended monorail system, and is widely applied to a coal mine transportation system. At present, the domestic coal mine auxiliary transportation mainly comprises a storage battery and a diesel engine monorail crane. The diesel engine monorail crane takes the diesel engine as power, has large pollution, large noise and high cost and is only suitable for large-scale industrial and mining. The storage battery monorail crane needs a special battery as power, has poor endurance and low automation degree due to manual operation. In view of the above, an automatic driving slide-wire type monorail crane is provided, and the monorail locomotive adopting the stringing mode can effectively solve the above problems.
Chinese patent 201620990404.4 discloses an electro-hydraulic monorail crane vehicle, which is used in a roadway under a coal mine, wherein the roadway is internally provided with a track and comprises a power supply, a power cable, a hydraulic station, a driving part, a friction wheel, a connecting rod, a manual hoist and a walking trolley with a roller wheel, the hydraulic station is connected with the power supply through the power cable, the driving part is connected with the hydraulic station, the driving part is provided with a hydraulic motor, the hydraulic motor is connected with the friction wheel, and the friction wheel and the track surface transmit torque generated by the hydraulic motor through friction, so that the monorail crane vehicle is driven to walk; the power supply, the power cable, the hydraulic station, the driving part and the hand hoist are all hung on the track through the walking trolley. The utility model discloses a shortcoming is through the hydraulic pressure station drive, and the size is huge, and the hydraulic pressure station maintenance is inconvenient.
Disclosure of Invention
The utility model aims at the above problem, provide one kind and hang for the single track through the overhead line mode and provide an autopilot overhead line single track of electric power hangs.
The technical scheme for solving the technical problem is as follows: the utility model provides an automatic overhead line monorail hangs, includes bearing rail, locomotive and controlling means, its characterized in that: the two sides of the bearing track are respectively provided with a conductive track, the conductive tracks are connected with a driving part of the locomotive, the control device is connected with the driving part, and the control device is provided with a remote controller.
Unmanned driving is realized through remote control, people are separated from a vehicle, and the danger coefficient of the people in a dangerous area or other sudden accidents is reduced. The roadway production working face is safer and more environment-friendly.
The preferable scheme is as follows:
the driving part of the locomotive is connected with the conductive track through a current collector.
The driving part comprises a driving frame, an electric connection motor, a current collector and an auxiliary electric unit, wherein the current collector is connected with the conductive track.
The motor of the driving part is a three-phase alternating current motor, the driving part also comprises a frequency converter, and the output end of the frequency converter is connected with the three-phase alternating current motor.
The motor of the driving part is a direct current motor.
The locomotive is provided with a lifting beam, and the lifting beam is suspended on the bearing track through two lifting parts.
The locomotive is provided with a plurality of carriages, two adjacent carriages are connected through a connecting rod, and the connecting rod is connected with lifting beams of the two adjacent locomotive carriages.
The remote controller is a wired remote controller or a wireless remote controller.
The control device comprises a PLC control system, the PLC control system is provided with a communication module, and the communication module is connected with a remote controller.
The input end of the PLC control system is provided with a clamping force detector and a speed sensor, the clamping force sensor is arranged at the driving part, and the speed sensor is arranged on the speed measuring trolley.
The input end of the PLC control system is provided with a harmful gas detector and a track information monitor.
Compared with the prior art, the utility model, its advantage lies in:
1. the power is supplied to the monorail crane in a stringing mode so as to meet the operation requirement;
2. the unmanned automatic driving of the locomotive is realized through a high-speed wireless local area network;
3. the automatic driving trolley type monorail locomotive has the advantages of low noise, low failure rate, safety, environmental protection, convenience for maintenance and function expansion.
4. The system has simple structure, and avoids the problem of large duty ratio of a hydraulic system and a diesel engine system.
Drawings
Fig. 1 is a schematic block diagram of a control device according to the present invention.
Fig. 2 is an electrical schematic diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Detailed Description
The technique of the present invention is further illustrated below according to an embodiment.
Example 1:
as shown in fig. 1, the monorail crane with the automatic steering stringing comprises a bearing track, a locomotive and a control device, wherein conductive tracks are respectively arranged on two sides of the bearing track, the conductive tracks are connected with a driving portion of the locomotive, the control device is connected with the driving portion, and the control device is provided with a remote controller.
Unmanned driving is realized through remote control, people are separated from a vehicle, and the danger coefficient of the people in a dangerous area or other sudden accidents is reduced. The roadway production working face is safer and more environment-friendly.
The locomotive comprises a bearing trolley 7 and a speed measuring trolley 9, wherein a driving part of the bearing trolley 7 is connected with a conductive track through a current collector. The conductive track, i.e. the power line 8, employs a finger-protected monopole insulated power supply system. The problem of safe power supply of a common bare overhead line in an electrified way is solved, and the power supply safety of industrial places is ensured. The locomotive supplies power through four conductive tracks, and the conductive tracks are fixed on the tracks through screws and fasteners. The power receiving rail adopts a redundancy design, and the continuity and the stability of power transmission are ensured. Power is transmitted to the locomotive via the conductor rails and through the current collectors.
The drive section 6 comprises a drive frame and electrically connected electric motors, current collectors and auxiliary electric units, the current collectors being connected to the conductive tracks.
The motor of the driving part 6 is a three-phase alternating current motor, and the driving part also comprises a frequency converter 4, and the output end of the frequency converter is connected with the three-phase alternating current motor. The three-phase alternating current motor and the speed reducer adopt a Japanese linear speed reducing motor 5, and the speed reducer and the motor are integrally designed, so that the problem of coaxiality of the split motor and the speed reducer is solved. Prevent eccentricity or resonance during operation. The frequency converter adopts a German Siemens frequency converter, communicates with the control unit in a 485 communication mode, and then performs frequency conversion, speed regulation and control on the motor of the driving part.
As shown in fig. 3, the locomotive is provided with a lifting beam 2, and the lifting beam 2 is suspended on a bearing rail by two lifting parts. The endless chain hoist 3 is mounted on the hoisting portion. The two hoisting parts are connected via a link. The lifting beam is connected with other locomotive components through the hinged seat and the connecting rod. The chain hoist 3 is controlled by an electric system and can be operated by a remote controller. The hoisting unit consists of two or more hoisting parts, each hoisting part is provided with a tension sensor, a loop chain hoisting hoist 3, an upper limiter, a lower limiter and the like. The control end of the chain hoist 3 is connected with a control unit, and the control unit is used for controlling the hoisting of the chain hoist 3. The upper and lower limiters are connected with the internal control end of the chain hoist 3, so that the upper and lower limiters and the chain hoist 3 can quickly respond to the upper and lower overrun, and delay or misoperation caused by signal transmission is avoided. The tension sensor can display the lifted weight in real time and transmit data to the control unit in real time, and the control unit controls the lifting weight limit through the set value of a user.
The locomotive is provided with a plurality of sections of carriages 1, two adjacent sections of carriages 1 are connected through a connecting rod, and the connecting rod is connected with lifting beams of two adjacent locomotive carriages 1.
The remote controller is a wired remote controller or a wireless remote controller.
As shown in fig. 2, the control device includes a PLC control system, and the PLC control system is provided with a communication module, and the communication module is connected to the remote controller.
The input end of the PLC control system is provided with a clamping force detector and a speed sensor, the clamping force sensor is arranged at the driving part, and the speed sensor is arranged on the speed measuring trolley 9.
The clamping force is detected by adopting a pressure-sensitive sensor, and a measured pressure value is transmitted to the PLC control system.
The track detection unit is a device specially used for detecting a hanging track and an operation environment. The automobile anti-collision system comprises a rotatable high-resolution infrared camera, a driving recording module, an anti-collision radar, a tilt angle sensor, a fixed high-resolution infrared camera and an image processing module. The anti-collision radar is mainly used for locomotive obstacle avoidance and early warning or warning and stopping according to a distance set value. And simultaneously, the signals are transmitted to a control system through serial port communication.
The image processing module firstly forms integral projection vectors in horizontal and vertical directions by carrying out gray level projection on related images, and applies the integral projection vectors to a one-dimensional translation detection technology based on a difference function so as to obtain two-dimensional translation vectors of the images. Image translation algorithm, mathematical expression principle of image translation:
after the point whose initial coordinate is (x0, y0) is translated by (tx, ty) (to the right, downward, positive direction), the coordinates become (x1, y 1). The relationship between these two points is x1 ═ x0+ tx, and y1 ═ y0+ ty.
Thus, each point on the translated image can find the corresponding point in the original image.
And calculating the vertical displacement of the image in the same way, and then judging the track state by defining the tolerance ratio. The infrared camera can normally operate in an environment with insufficient light.
The operator can check the track state and the running environment state through remote display control. Meanwhile, a speed sensor detects the speed of the locomotive, and a position sensor displays the position of the locomotive. The harmful gas concentration sensor can detect the concentration of single or multiple gases according to the use condition. The user can set the harmful gas concentration value according to the actual operating mode to trigger and send out an alarm or stop the vehicle.
The control device reaches a control system through the electric power transmitted by the current collector, and the control system mainly comprises a PLC control system. For controlling the operation of the frequency converter and thus the action of the motor. Meanwhile, the control system is connected with the lifting beam part and controls the operation action of the lifting beam. In addition, a remote control communication module is added in the PLC system, so that the control on the operation of the locomotive and the action of the lifting beam can be realized at a longer distance.
The remote controller is a display control unit and is provided with a reset button, an emergency stop button, a potentiometer, a touch display screen, an electronic chip lock, a high-speed communication module and the like. The touch display screen is communicated with the control system 485, and can display various operating parameters of the locomotive and the operating state of the frequency converter in time. Meanwhile, an operator can switch between the state signal and the video signal and check the running environment and the running state of the locomotive by remotely controlling the locomotive. An auto cruise mode may also be entered for autonomous driving. And the electronic chip lock and the special chip are arranged to correspondingly unlock, so that a driver and the chip are in one-to-one correspondence. Meanwhile, the locomotive can be prevented from being operated by other irrelevant personnel, and the operation safety of the locomotive is improved.
The locomotive data transmission adopts video and control isolation to avoid the influence on the locomotive control caused by data delay or interference. The video signal is transmitted through the 2.4G/5G wireless module, and the real-time type of the transmission signal is ensured through the high bandwidth and high speed of the 2.4G/5G wireless module. Meanwhile, a 485 signal of the locomotive is used for transmitting serial port data through a 433M frequency band by means of a frequency spreading technology of LoRa, and data safety and timeliness are guaranteed.
As a further technical solution, the control system further includes: the locomotive can communicate with other wireless equipment through the high-speed communication module, and can control other equipment under the same local area network.
When the locomotive is used, the vehicle-mounted control system is communicated with a display screen of a monitoring room through the high-speed communication module, and corresponding functions of the locomotive can be realized through start, stop and emergency stop buttons on the display control unit. The current state of the locomotive, the concentration of harmful gas in the operating environment and the current track state and the relevant information of the operating environment are displayed on the touch screen by various sensors of the information acquisition unit and are transmitted to the CPU, and the CPU processes the harmful gas in real time and displays the relevant numerical values on the touch screen through a wireless transmission channel. And setting a threshold value for the related information detected by the sensor in the control system, and when the value is not within the safety threshold value, flashing a signal indicator lamp on the touch screen to send an alarm signal. Through the camera on the locomotive, the picture that traveles in the place ahead is shown on the touch-sensitive screen, makes things convenient for the staff to the control of road condition. The frequency converter is connected with the PLC control device through a bus, and speed regulation control under different conditions can be realized. The plurality of position detectors are arranged on the track, so that operations such as parking, starting and the like can be realized at corresponding positions according to requirements.
Example 2:
in embodiment 1, the motor of the driving unit is a dc motor. The corresponding power supply system can be replaced by a direct current system.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an automatic overhead line monorail hangs, includes bearing rail, locomotive and controlling means, its characterized in that: the two sides of the bearing track are respectively provided with a conductive track, the conductive tracks are connected with a driving part of the locomotive, the control device is connected with the driving part, the control device is provided with a remote controller, the driving part comprises a driving frame, an electric motor and a current collector which are electrically connected, and the current collector is connected with the conductive tracks.
2. The automated overhead monorail crane of claim 1, wherein: the driving part of the locomotive is connected with the conductive track through a current collector.
3. An autopilot overhead monorail crane according to claim 1 or 2, characterized in that: the motor of the driving part is a three-phase alternating current motor, the driving part also comprises a frequency converter, and the output end of the frequency converter is connected with the three-phase alternating current motor.
4. An autopilot overhead monorail crane according to claim 1 or 2, characterized in that: the motor of the driving part is a direct current motor.
5. The automated overhead monorail crane of claim 1, wherein: the locomotive is provided with a lifting beam, and the lifting beam is suspended on the bearing track through two lifting parts.
6. An automatic overhead monorail crane according to claim 5, wherein: the locomotive is provided with a plurality of carriages, two adjacent carriages are connected through a connecting rod, and the connecting rod is connected with lifting beams of the two adjacent locomotive carriages.
7. The automated overhead monorail crane of claim 1, wherein: the remote controller is a wired remote controller or a wireless remote controller.
8. The automated overhead monorail crane of claim 1, wherein: the control device comprises a PLC control system, the PLC control system is provided with a communication module, and the communication module is connected with a remote controller.
9. An autopilot overhead monorail crane according to claim 8, wherein: the input end of the PLC control system is provided with a clamping force detector and a speed sensor, the clamping force sensor is arranged at the driving part, and the speed sensor is arranged on the speed measuring trolley.
10. An autopilot overhead monorail crane according to claim 8 or 9, characterized in that: the input end of the PLC control system is provided with a harmful gas detector and a track information monitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020126406.5U CN212356259U (en) | 2020-01-19 | 2020-01-19 | Monorail crane capable of automatically driving overhead line |
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| CN202020126406.5U CN212356259U (en) | 2020-01-19 | 2020-01-19 | Monorail crane capable of automatically driving overhead line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604771A (en) * | 2022-01-24 | 2022-06-10 | 杭州大杰智能传动科技有限公司 | Material transmission optimization path planning method and system for intelligent tower crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604771A (en) * | 2022-01-24 | 2022-06-10 | 杭州大杰智能传动科技有限公司 | Material transmission optimization path planning method and system for intelligent tower crane |
| CN114604771B (en) * | 2022-01-24 | 2023-06-02 | 杭州大杰智能传动科技有限公司 | Material transmission optimization path planning method and system for intelligent tower crane |
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