CN114326565A - Remote control locomotive frame vehicle system and control method - Google Patents
Remote control locomotive frame vehicle system and control method Download PDFInfo
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- CN114326565A CN114326565A CN202111474102.3A CN202111474102A CN114326565A CN 114326565 A CN114326565 A CN 114326565A CN 202111474102 A CN202111474102 A CN 202111474102A CN 114326565 A CN114326565 A CN 114326565A
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention is suitable for the field of car lifting jack, and provides a car lifting jack system of a remote control locomotive and a control method, comprising the following steps: the control system lifts the overhaul locomotive through controlling the machine frame; the control system comprises a Programmable Logic Controller (PLC), a touch screen Human Machine Interface (HMI), a driving unit, a rack feedback unit, a remote controller unit and other switching appliances. The protection of each rack in the synchronous mode is interconnected, the operation cannot be carried out as long as one fault occurs, and all the racks cannot move towards the direction as long as one fault reaches the limit; meanwhile, the PLC automatically detects the position increment of each rack, and the PLC can automatically wait for slow movement when moving fast, so that the maximum error of each rack increment is not more than 10 mm; the emergency stop buttons are arranged on the racks, the remote controller unit and the touch screen HMI, and the rack can be quickly stopped in emergency; by adopting the remote controller unit, the operator can realize wireless remote control in a large range, and the observation is convenient.
Description
Technical Field
The invention belongs to the field of car lifting jacks, and particularly relates to a remote control car lifting jack system and a control method.
Background
Vehicle manufacturing and maintenance require the use of a car lifting jack. The main function of the car lifting jack is to lift a car, so that the car lifting jack is beneficial to the off-board operation of workers, and the workers can conveniently install, replace or overhaul parts at the bottom of the car. After the operation under the vehicle is finished, the vehicle lifting jack is also responsible for lowering the vehicle back to the ground.
Need use four frames to lift the locomotive that needs the maintenance when actual operation, consequently guarantee the synchronous operation of a plurality of frames and be especially important, can't be accurate among the prior art control a plurality of frames, have the potential safety hazard.
Disclosure of Invention
The embodiment of the invention aims to provide a remote control locomotive car lifting jack system and a control method, and aims to solve the problems that in the prior art, a plurality of racks cannot be accurately controlled, and potential safety hazards exist.
The invention is realized in this way, a remote control locomotive frame vehicle machine system and control method, including:
the control system lifts the overhaul locomotive through controlling the machine frame; the control system comprises a Programmable Logic Controller (PLC), a touch screen HMI (human machine interface), a driving unit, a rack feedback unit, a remote controller unit and other switching appliances, wherein the other switching appliances are respectively connected with the PLC and the driving unit through circuits;
the Programmable Logic Controller (PLC) is used as a control core CPU for receiving an operation command from the touch screen HMI or the remote controller unit and a signal fed back by the rack feedback unit; the Programmable Logic Controller (PLC) is used for controlling the action of the racks after calculation, the touch screen HMI is used for transmitting parameters and control commands to the PLC, the touch screen HMI is used for reading the running state and the alarm state of the whole system and displaying the running state and the alarm state in corresponding pictures, the driving unit controls the lifting, the descending and the stopping action of each rack through the calculation result of the Programmable Logic Controller (PLC), and other switching devices are used for carrying out distribution control on electric energy and protecting the driving unit; and stroke control and protection of the whole mechanical system, the remote control unit is used for replacing the buttons of the operation station.
In a further aspect, the remote control unit includes a receiver and a remote control transmitter and accessories therefor.
According to a further technical scheme, emergency stop buttons are arranged on the rack, the remote controller unit and the touch screen HMI and are used for rapidly stopping the action of the rack.
According to a further technical scheme, the driving unit comprises a frequency converter and a variable frequency motor.
According to a further technical scheme, the rack feedback unit comprises a 90-degree position detection device, the PLC calculates the moving direction and the moving distance of the rack according to the signal state of the 90-degree position detection device, and the 90-degree position detection device is used for guaranteeing the synchronization of the lifting action of the rack.
In a further technical scheme, the 90-degree position detection device consists of double proximity switches.
A control method of a remote control locomotive frame machine system comprises the following steps:
step one, selecting a remote control mode of a remote controller unit or an HMI touch mode of a touch screen through a knob;
step two, selecting the operation speed of the rack on the touch screen HMI: the fast, medium and slow correspond to 50HZ, 30HZ and 20HZ given by the number of the frequency converter respectively;
step three, pressing a synchronous key in a corresponding mode, simultaneously lifting each rack to a position 5 mm away from the rack, stopping first and waiting for all the racks to reach the position;
and step four, a synchronous indicator lamp on the touch screen HMI is lightened, and the moving direction, distance and speed of the 4 machine frames are controlled by the same lifting and descending.
According to the remote control locomotive frame vehicle machine system and the control method provided by the embodiment of the invention, the protection of each frame in the synchronous mode is interconnected, the operation cannot be carried out as long as one fault occurs, and all frames cannot move towards the direction as long as one fault reaches the limit; meanwhile, the PLC automatically detects the position increment of each rack, and the PLC can automatically wait for slow movement when moving fast, so that the maximum error of each rack increment is not more than 10 mm; the emergency stop buttons are arranged on the racks, the remote controller unit and the touch screen HMI, and the rack can be quickly stopped in emergency; the touch screen HMI displays the running state and the fault state in detail, so that operation observation and fault maintenance are facilitated, and the fault point of the equipment can be conveniently found through the picture. By adopting the remote controller unit, an operator can realize wireless remote control in a large range, observation is convenient, and the safety is higher.
Drawings
Fig. 1 is a system block diagram of a remote control locomotive frame vehicle machine system according to an embodiment of the present invention;
FIG. 2 is an interface diagram of a touch screen HMI provided in accordance with an embodiment of the present invention;
FIG. 3 is an interface diagram of a touch screen HMI provided in an embodiment of the present invention in a synchronization state;
FIG. 4 is an interface diagram of a touch screen HMI provided in accordance with an embodiment of the present invention in isolation mode;
FIG. 5 is an alarm interface diagram of a touch screen HMI provided by an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a remote control locomotive frame machine system and a control method provided for an embodiment of the present invention include:
the control system lifts the overhaul locomotive through controlling the machine frame; the control system comprises a Programmable Logic Controller (PLC), a touch screen HMI (human machine interface), a driving unit, a rack feedback unit, a remote controller unit and other switching appliances, wherein the other switching appliances are respectively connected with the PLC and the driving unit through circuits;
the Programmable Logic Controller (PLC) is used as a control core CPU for receiving an operation command from the touch screen HMI or the remote controller unit and a signal fed back by the rack feedback unit; the Programmable Logic Controller (PLC) is used for controlling the action of the racks after calculation, the touch screen HMI is used for transmitting parameters and control commands to the PLC, the touch screen HMI is used for reading the running state and the alarm state of the whole system and displaying the running state and the alarm state in corresponding pictures, the driving unit controls the lifting, the descending and the stopping action of each rack through the calculation result of the Programmable Logic Controller (PLC), and other switching devices are used for carrying out distribution control on electric energy and protecting the driving unit; and the remote controller unit is used for replacing a button of an operation station, an operator selects an operation command through the remote control transmitter, and the remote control receiver outputs a control command through the output relay, namely, a contact of the output relay of the remote control receiver replaces a contact of an original button, and a coil replaces the original manual press.
The control method of the remote control locomotive car lifting jack system comprises the following steps: selecting a remote control mode of a remote controller unit or an HMI touch mode of a touch screen through a knob; selecting a rack running speed on the touch screen HMI: the fast, medium and slow correspond to 50HZ, 30HZ and 20HZ given by the number of the frequency converter respectively; pressing a synchronous key in a corresponding mode, simultaneously lifting each rack to a position 5 mm away from the rack, stopping first and waiting for all the racks to reach the position; synchronous indicator lamps on the touch screen HMI are lightened, and the moving direction, distance and speed of the 4 frames are controlled by the same lifting and descending.
In the mode, the protection for the racks is interconnected, the racks cannot be operated as long as one fault occurs, and all the racks cannot move towards the direction as long as one fault reaches a limit position; meanwhile, the PLC automatically detects the position increment of each rack, and the PLC can automatically wait for slow movement when moving fast, so that the maximum error of each rack increment is not more than 10 mm.
The emergency stop buttons are arranged on the racks, the remote controller unit and the touch screen HMI, and the rack can be quickly stopped in emergency; as shown in fig. 5 (since the graph is the result of simulation operation, all monitoring points are 0, all alarms are displayed), the touch screen HMI displays the operation state and the fault state in detail for convenient operation observation and fault maintenance, and the fault point of the equipment can be conveniently found through the picture. By adopting the remote controller unit, an operator can realize wireless remote control in a large range, observation is convenient, and the safety is higher.
As shown in fig. 2 and 3, the synchronization button of the screen or the synchronization key of the remote control unit is pressed to start the synchronization operation. Until synchronization is completed, it is not possible to operate all racks simultaneously by the same lift and lower (touch screen HMI or remote control unit) waiting for the synchronization indicator to change to the state of the next diagram. The synchronization is equivalent to the reference back of the numerical control system, namely, a zero point reference for calculating the height is given to the system.
As shown in fig. 4, each rack may also be manually operated in a stand-alone mode; in the mode, the protection of the rack is independent and does not influence each other. For example: when the No. 2 frame reaches the lower limit position, only the No. 2 frame cannot descend. And in either mode, the corresponding operating conditions, and the relative heights (relative to the synchronized position) of the various racks are visually observed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a remote control locomotive frame car machine system which characterized in that includes:
the control system lifts the overhaul locomotive through controlling the machine frame; the control system comprises a Programmable Logic Controller (PLC), a touch screen HMI (human machine interface), a driving unit, a rack feedback unit, a remote controller unit and other switching appliances, wherein the other switching appliances are respectively connected with the PLC and the driving unit through circuits;
the Programmable Logic Controller (PLC) is used as a control core CPU for receiving an operation command from the touch screen HMI or the remote controller unit and a signal fed back by the rack feedback unit; the Programmable Logic Controller (PLC) is used for controlling the action of the racks after calculation, the touch screen HMI is used for transmitting parameters and control commands to the PLC, the touch screen HMI is used for reading the running state and the alarm state of the whole system and displaying the running state and the alarm state in corresponding pictures, the driving unit controls the lifting, the descending and the stopping action of each rack through the calculation result of the Programmable Logic Controller (PLC), and other switching devices are used for carrying out distribution control on electric energy and protecting the driving unit; and stroke control and protection of the whole mechanical system, the remote control unit is used for replacing the buttons of the operation station.
2. The remote controlled locomotive, machine system of claim 1, wherein said remote control unit comprises a receiver and a remote control transmitter and accessories therefor.
3. The remote control locomotive frame machine system of claim 1, wherein said frame, remote control unit, touch screen HMI are all provided with an emergency stop button for rapidly stopping the motion of the frame.
4. The remote control locomotive hitching machine system of claim 1, wherein said drive unit comprises a frequency converter and a variable frequency motor.
5. The remote control locomotive frame machine system of claim 1, wherein the frame feedback unit comprises a 90 ° position detection device, the PLC calculates the moving direction and moving distance of the frame according to the signal state of the 90 ° position detection device, and the 90 ° position detection device is used for ensuring the synchronization of the frame lifting action.
6. The remote control locomotive hitching machine system of claim 5, wherein said 90 ° position detection means is comprised of a double proximity switch.
7. A method of controlling a remote controlled locomotive car lifting jack system according to any one of claims 1 to 6, comprising the steps of:
step one, selecting a remote control mode of a remote controller unit or an HMI touch mode of a touch screen through a knob;
step two, selecting the operation speed of the rack on the touch screen HMI: the fast, medium and slow correspond to 50HZ, 30HZ and 20HZ given by the number of the frequency converter respectively;
step three, pressing a synchronous key in a corresponding mode, simultaneously lifting each rack to a position 5 mm away from the rack, stopping first and waiting for all the racks to reach the position;
and step four, a synchronous indicator lamp on the touch screen HMI is lightened, and the moving direction, distance and speed of the 4 machine frames are controlled by the same lifting and descending.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111474102.3A CN114326565A (en) | 2021-12-02 | 2021-12-02 | Remote control locomotive frame vehicle system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111474102.3A CN114326565A (en) | 2021-12-02 | 2021-12-02 | Remote control locomotive frame vehicle system and control method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086718Y (en) * | 2007-08-06 | 2008-07-16 | 北京铁道工程机电技术研究所 | Movable electric car lifting jack |
| CN105293285A (en) * | 2015-11-24 | 2016-02-03 | 重庆红亿机械有限公司 | Synchronous lifting system of car lifting unit based on pressure sensor |
| CN105417431A (en) * | 2015-11-24 | 2016-03-23 | 重庆红亿机械有限公司 | Car lifting jack unit synchronous lifting method |
| CN213338411U (en) * | 2020-12-18 | 2021-06-01 | 济南华昌机械制造有限公司 | Locomotive online maintenance system |
-
2021
- 2021-12-02 CN CN202111474102.3A patent/CN114326565A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086718Y (en) * | 2007-08-06 | 2008-07-16 | 北京铁道工程机电技术研究所 | Movable electric car lifting jack |
| CN105293285A (en) * | 2015-11-24 | 2016-02-03 | 重庆红亿机械有限公司 | Synchronous lifting system of car lifting unit based on pressure sensor |
| CN105417431A (en) * | 2015-11-24 | 2016-03-23 | 重庆红亿机械有限公司 | Car lifting jack unit synchronous lifting method |
| CN213338411U (en) * | 2020-12-18 | 2021-06-01 | 济南华昌机械制造有限公司 | Locomotive online maintenance system |
Non-Patent Citations (2)
| Title |
|---|
| 张玉琢;周宝伟;李祥;: "地坑式固定架车机及其控制", 机电工程技术, no. 06, 15 June 2011 (2011-06-15), pages 125 - 128 * |
| 聂冉;赖强;: "320吨棒槌型混铁车架车机的自动控制***", 机电设备, no. 02, 15 April 2008 (2008-04-15) * |
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