CN212313378U - Electronic control lifting control system of dumper - Google Patents
Electronic control lifting control system of dumper Download PDFInfo
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- CN212313378U CN212313378U CN202020670722.9U CN202020670722U CN212313378U CN 212313378 U CN212313378 U CN 212313378U CN 202020670722 U CN202020670722 U CN 202020670722U CN 212313378 U CN212313378 U CN 212313378U
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Abstract
The utility model adopts the technical proposal that: the electric control lifting control system of the dump truck is characterized by comprising a lifting controller, wherein the input end of the lifting controller is electrically connected with a whole truck attitude sensor, a truck container angle sensor and a whole truck load sensor, the output end of the lifting controller is electrically connected with a lifting electromagnetic valve and a gearbox controller, and the lifting controller is also electrically connected with an engine controller. The utility model aims at realizing the optimal matching of operation safety, efficiency and economy.
Description
Technical Field
The utility model relates to the technical field of automobiles, concretely relates to automatically controlled control system that lifts of tipper.
Background
The existing dumper container lifting system requires a worker to carry out operations such as gear engaging, operating a control panel and the like in a cab when the worker operates and lifts. In the operation process, a worker observes the lifting state through a rearview mirror and adjusts the control mode, so that the loading and unloading target is achieved.
The first technical scheme is as follows:
a control method for preventing a dumper from backward turning a carriage is described, wherein the dumper is provided with the carriage which turns along a rotating shaft at the tail part of a chassis, the carriage rotates by taking a turning point as a center through the extension and retraction of a hydraulic cylinder, and an alarm and a display device are arranged in a cab of the dumper, and the control method is characterized by comprising the following steps of: detecting the front axle load and the rear axle load of the dump truck, and calculating the front axle load rate of the dump truck; judging whether the front axle load rate exceeds a first threshold value; when the front axle load rate exceeds a first threshold value, the dump truck lifts; and when the front axle load rate does not exceed the first threshold value, the alarm gives an alarm, and the display device prompts the word of 'dangerous'.
The second prior art scheme is:
the utility model provides a tipper lifting mechanism intelligence control system, includes power module, control module, velocity sensor, adjusting module, balanced control module, execution module, displacement module, image detection module and warning and remind the module, power module and control module correspond to be connected respectively with velocity sensor, balanced control module, execution module, displacement module, image detection module and warning and remind the module to correspond to be connected, adjusting module with control module corresponds to be connected. The scheme adopts automatic intelligent control to complete the lifting and carrying actions of the dump truck, and completes alarm reminding under the condition of error signals, thereby facilitating the quick correction of workers.
The existing control mode has 2 disadvantages: 1, there is a safety risk: because the workers are in the cab in the whole process, if the rollover condition occurs in the lifting process, the refuge space of the workers is limited, and the probability of injury is increased; 2, the operation is inconvenient: due to the limitation of the angle and range of the sight line, the staff cannot observe the condition of goods in the lifting process and the posture change of the whole vehicle, so that an optimal control strategy is difficult to adopt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatically controlled control system that lifts of tipper and method thereof to prior art's defect, realize the best matching of operation security, efficiency and economic nature.
The utility model adopts the technical proposal that: the electric control lifting control system of the dump truck is characterized by comprising a lifting controller, wherein the input end of the lifting controller is electrically connected with a whole truck attitude sensor, a truck container angle sensor and a whole truck load sensor, the output end of the lifting controller is electrically connected with a lifting electromagnetic valve and a gearbox controller, and the lifting controller is also electrically connected with an engine controller. The lifting electromagnetic valve can adopt a conventional lifting machine on the market, such as QJY 3.0-D4; the lifting controller can adopt a conventional controller on the market, such as a chip model MC9S08DZ 60; the engine controller and the gearbox controller are self-contained equipment on the vehicle body; the whole vehicle attitude sensor can adopt a conventional attitude sensor, such as an MPU 9150; the cargo box angle sensor may employ a chassis angle sensor LIS326 and a top loading angle sensor LIS 316. The whole vehicle load sensor is not a necessary technical characteristic of the patent, and the whole vehicle load sensor can adopt a conventional vehicle weighing and load sensor on the market.
In the technical scheme, the lifting device further comprises an operation panel, wherein the operation panel is in wireless or wired electric connection with the lifting controller; the operation panel reads an external operation command and displays the state information of the system. The operation panel can adopt a liquid crystal display screen with a conventional type on the market, and is used for external personnel to input control commands and read the working state of the system.
In the technical scheme, the whole vehicle attitude sensor provides whole vehicle attitude change information for the lifting controller; the whole vehicle attitude sensor reads attitude information of the whole vehicle under a whole vehicle coordinate system and indicates changes of a pitch angle and a roll angle of the whole vehicle; the whole vehicle load sensor measures the axle load of a rear axle of the whole vehicle and feeds the axle load back to the lifting controller, and the lifting controller judges the unloading condition according to the change output by the load sensor; the container angle sensor measures the current lifting angle of the lifted container and feeds the current lifting angle back to the lifting controller; the lifting controller controls the lifting direction, start and stop of the lifting device through the lifting electric control valve; the lifting controller outputs an engine speed and torque request to the engine so as to control the lifting speed and torque of the cargo box; the lift controller issues a shift request to a transmission controller.
In the technical scheme, the operation panel acquires an external operation instruction and displays the state information of the system.
A control method of an electronic control lifting control system of a dumper is characterized by comprising the following steps: after the lifting controller receives a lifting command, the lifting controller drives the lifting solenoid valve, the engine controller and the gearbox controller to lift the container according to the state information of the whole vehicle and the container until the container reaches a specified position; and after the lifting controller receives the lowering command, the lifting controller drives the lifting solenoid valve, the engine controller and the gearbox controller to lower the container according to the state information of the whole vehicle and the container until the container reaches the designated position.
The technical scheme comprises the following steps: after the lifting controller receives the information of starting the lifting switch, the lifting controller reads the current posture change information of the whole vehicle, the current lifting angle of the lifting container and the normal rear axle load and takes the current lifting angle and the normal rear axle load as reference information for recording; when the lifting controller receives a command of lifting or lowering the container from the outside, the lifting controller judges the safety coefficient of the lifting or lowering operation of the container according to the reference information; when the lifting or descending operation is judged to be safe, the lifting controller makes a gear shifting request to the gearbox controller; after the gear shifting of the gearbox is finished, the lifting controller starts to lift or lower the container; when the lift bin angle reaches the desired position, the lift controller makes a neutral request to the transmission controller and prompts the completion of the lift or lower process.
In the above technical solution, the process of the lifting controller executing lifting or lowering of the cargo box includes the following steps: the lifting controller firstly judges whether the container reaches a maximum inclination angle; under the condition that the container does not reach the maximum inclination angle, the lifting controller calculates the optimal engine output torque and the gear of the gearbox through the wheelbase, the rear suspension, the whole vehicle trim mass, the weight of the cargo and the current container inclination angle, puts forward a gear shifting request to the gearbox controller, puts forward a torque request to the engine controller, and starts to lift or lower the container.
According to the technical scheme, in the lifting or lowering process of the container, the lifting controller monitors the change condition of the attitude sensor of the whole vehicle in real time, and when the change of the pitch angle or the roll angle of the whole vehicle reaches a warning value, the lifting controller stops sending a torque request to the engine controller to prompt a worker that the whole vehicle has a rollover risk.
In the technical scheme, in the lifting or lowering process of the container, the operation panel receives an external acceleration or deceleration command and feeds the command back to the lifting controller, and after the lifting controller receives the acceleration or deceleration command, the lifting controller increases the torque request of the engine and adjusts the torque request according to the current safety range of the posture change of the whole vehicle; the lift controller sends the adjusted torque request to the engine controller.
In the technical scheme, when the container is lifted or lowered to a desired position, the lifting controller stops requesting output torque to the engine controller, and sends a gear shifting request to the gearbox controller, and the gearbox is switched into neutral.
The utility model discloses a lifting control ware realizes the reading of staff's intention, whole car loading condition, engine characteristic and whole car gesture, through control algorithm, realizes the best matching of operation security, efficiency and economic nature. The staff operates the operation panel of the lifting system to realize the input of external control commands, can read the operation intention of the staff and give the working state prompt of the lifting system. The operation panel is wirelessly connected with the lifting controller, and the hard connection between the lifting controller and workers is released, so that the workers can operate and lift in a remote control mode outside the vehicle. Meanwhile, the whole vehicle attitude sensor, the container angle sensor and the whole vehicle load sensor can comprehensively reflect the state of the whole vehicle and the working state of a lifting system to the lifting controller, and the effectiveness of control command output is ensured. The lifting controller monitors the state of the whole vehicle and the working state of the lifting system in real time through the sensors, finds an emergency, and drives the engine controller, the gearbox controller and the lifting solenoid valve to react in time, so that the overall safety of the lifting system is further ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention;
fig. 3 is a flow chart of the lifting process of the present invention.
Detailed Description
The invention will be further described in detail with reference to the drawings and the following detailed description, which are provided for the purpose of clearly understanding the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model provides an automatically controlled lifting control system of tipper, its characterized in that includes lifting controller, and lifting controller's input electricity is connected with whole car attitude sensor, packing box angle sensor, whole car load sensor, and lifting controller's output electricity is connected with lifting solenoid valve and gearbox controller, and lifting controller still electricity is connected with the engine control ware.
In the technical scheme, the lifting device further comprises an operation panel, and the operation panel is in wireless or wired electric connection with the lifting controller. The operation panel acquires an external operation instruction and displays the state information of the system. The operation panel is an operation end of the lifting system operated by workers, and can read operation intentions of the workers and give operating state prompts to the lifting system. The operation panel is wirelessly connected with the lifting controller, and the purpose of the operation panel is to remove the hard connection between the lifting controller and workers, so that the workers can operate and lift in a remote control mode outside the vehicle.
In the technical scheme, the whole vehicle attitude sensor provides whole vehicle attitude change information for the lifting controller; the whole vehicle attitude sensor reads attitude information of the whole vehicle under a whole vehicle coordinate system and indicates changes of a pitch angle and a roll angle of the whole vehicle; the whole vehicle load sensor measures the axle load of a rear axle of the whole vehicle and feeds the axle load back to the lifting controller, and the lifting controller judges the unloading condition according to the change output by the load sensor; the container angle sensor measures the current lifting angle of the lifted container and feeds the current lifting angle back to the lifting controller; the lifting controller controls the lifting direction, start and stop of the lifting device through the lifting electric control valve; the lifting controller outputs an engine speed and torque request to the engine so as to control the lifting speed and torque of the cargo box; the lift controller issues a shift request to a transmission controller.
As shown in fig. 2, the utility model provides a control method of an electric control lifting control system of a dumper, which is characterized by comprising the following steps:
and after receiving the lifting command, the lifting controller reads the current change information of the whole vehicle attitude, the current lifting angle of the lifting container and the normal rear axle load, and records the current change information, the current lifting angle and the normal rear axle load as reference information, namely the initial state value of the whole vehicle.
The lifting controller judges the safety coefficient of the lifting or lowering operation of the container according to the reference information; when the lifting or descending operation is judged to be safe, the lifting controller makes a gear shifting request to the gearbox controller; and when the lifting or lowering operation is judged to be unsafe, alarming is carried out through voice prompt, and follow-up actions are stopped.
The gearbox controller controls the gearbox to shift gears, and after the gearbox shifts gears, the lifting controller starts to lift or lower the container; when the lifting container angle reaches the expected position, the lifting controller provides a neutral gear request to the gearbox controller and prompts that the lifting or lowering process is finished, and the gearbox is converted into a neutral gear state according to a driving command of the gearbox controller.
As shown in fig. 3, the process of the lift controller performing lifting or lowering of the container includes the steps of: the lifting controller firstly judges whether the container reaches a maximum inclination angle; if the container inclination has reached a maximum value, subsequent actions are stopped
Under the condition that a container does not reach the maximum inclination angle, the lifting controller monitors the change condition of the attitude sensor of the whole vehicle in real time, and when the change of the pitch angle or the roll angle of the whole vehicle reaches a warning value, namely the change of the attitude of the whole vehicle exceeds a threshold value, the lifting controller stops sending a torque request to the engine controller to prompt a worker that the whole vehicle has a rollover risk.
And if the change of the posture of the whole vehicle does not exceed the threshold value, the lifting controller continues follow-up actions. The lifting controller calculates the optimal engine output torque and the gear of the gearbox through the wheel base, the rear suspension, the whole vehicle trim quality, the weight of the cargo and the current cargo box inclination angle, puts a gear shifting request to the gearbox controller, puts a torque request to the engine controller, and starts to lift or lower the cargo box.
In the lifting or descending process of the cargo box, the operation panel receives an external acceleration or deceleration command and feeds the command back to the lifting controller, and after the lifting controller receives the acceleration or deceleration command, the lifting controller increases the torque request of the engine and adjusts the torque request and the speed change request according to the current safe range of the posture change of the whole vehicle; the lift controller sends the adjusted torque request to the engine controller and the shift request to the transmission controller.
When the container is lifted or lowered to a desired position or a worker inputs a stop command through the operation panel, the lifting controller stops requesting output torque to the engine controller and sends a gear shifting request to the gearbox controller, the gearbox is switched into a neutral position, and meanwhile, the lifting solenoid valve is driven to stop working.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (3)
1. The electric control lifting control system of the dump truck is characterized by comprising a lifting controller, wherein the input end of the lifting controller is electrically connected with a whole truck attitude sensor, a truck container angle sensor and a whole truck load sensor, the output end of the lifting controller is electrically connected with a lifting electromagnetic valve and a gearbox controller, and the lifting controller is also electrically connected with an engine controller.
2. The electronic control lifting control system for the dump truck according to claim 1, further comprising a whole truck load sensor electrically connected with an input end of the lifting controller.
3. The electronic control lifting control system for the dump truck according to claim 1, further comprising an operation panel, wherein the operation panel is electrically connected with the lifting controller in a wireless or wired manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670722.9U CN212313378U (en) | 2020-04-24 | 2020-04-24 | Electronic control lifting control system of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670722.9U CN212313378U (en) | 2020-04-24 | 2020-04-24 | Electronic control lifting control system of dumper |
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| Publication Number | Publication Date |
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| CN212313378U true CN212313378U (en) | 2021-01-08 |
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| CN202020670722.9U Active CN212313378U (en) | 2020-04-24 | 2020-04-24 | Electronic control lifting control system of dumper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452699A (en) * | 2020-04-24 | 2020-07-28 | 东风商用车有限公司 | Electronic control lifting control system and method for dump truck |
| CN112706676A (en) * | 2021-01-27 | 2021-04-27 | 福建龙马环卫装备股份有限公司 | Safety protection system and method for dump truck |
| CN117698545A (en) * | 2024-02-06 | 2024-03-15 | 三一重型装备有限公司 | Lifting control system, method and device of mining vehicle and mining vehicle |
-
2020
- 2020-04-24 CN CN202020670722.9U patent/CN212313378U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452699A (en) * | 2020-04-24 | 2020-07-28 | 东风商用车有限公司 | Electronic control lifting control system and method for dump truck |
| CN111452699B (en) * | 2020-04-24 | 2024-07-02 | 东风商用车有限公司 | Electric control lifting control system and method for dumper |
| CN112706676A (en) * | 2021-01-27 | 2021-04-27 | 福建龙马环卫装备股份有限公司 | Safety protection system and method for dump truck |
| CN117698545A (en) * | 2024-02-06 | 2024-03-15 | 三一重型装备有限公司 | Lifting control system, method and device of mining vehicle and mining vehicle |
| CN117698545B (en) * | 2024-02-06 | 2024-05-03 | 三一重型装备有限公司 | Lifting control system, method and device of mining vehicle and mining vehicle |
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