CN119428616B - Energy-saving control method and system for walking of beam transporting vehicle - Google Patents
Energy-saving control method and system for walking of beam transporting vehicleInfo
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- CN119428616B CN119428616B CN202411788264.8A CN202411788264A CN119428616B CN 119428616 B CN119428616 B CN 119428616B CN 202411788264 A CN202411788264 A CN 202411788264A CN 119428616 B CN119428616 B CN 119428616B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
本发明涉及运梁车走行系统技术领域，具体涉及一种基于工况分类的运梁车节能控制方法及系统。本发明能够在运梁车不同工况下，同时对柴油发动机转速和液压系统排量进行线性耦合控制，使液压系统排量与柴油发动机功率相互匹配，相比传统运梁车的定转速控制方式，能够有效解决当液压系统排量较低时，柴油发动机出现的过高转速问题，进而避免能源损耗和浪费；本发明区分了运梁车不同条件下的工况，并通过柴油机与泵排量的线性耦合控制，实时调节不同工况下的柴油机转速，可大幅提高运梁车的能源利用效率，并提高设备整体的使用经济性，应用前景广泛。
This invention relates to the field of beam transporter running system technology, specifically to an energy-saving control method and system for beam transporters based on operating condition classification. This invention enables simultaneous linear coupling control of the diesel engine speed and hydraulic system displacement under different operating conditions of the beam transporter, ensuring that the hydraulic system displacement and diesel engine power are matched. Compared to the traditional constant speed control method for beam transporters, this effectively solves the problem of excessively high diesel engine speed when the hydraulic system displacement is low, thereby avoiding energy loss and waste. This invention distinguishes the operating conditions of the beam transporter under different conditions and, through linear coupling control of the diesel engine and pump displacement, adjusts the diesel engine speed in real time under different operating conditions, significantly improving the energy utilization efficiency of the beam transporter and enhancing the overall economic efficiency of the equipment, with broad application prospects.
Description
Technical Field
The invention relates to the technical field of beam transport vehicle running systems, in particular to a beam transport vehicle energy-saving control method and system based on working condition classification.
Background
The girder transporting vehicle is an important device for transporting the box girder in railway construction, a walking system of the girder transporting vehicle is provided with a closed hydraulic pump, and a diesel engine throttle is controlled by an engine ECU. The driver typically manually adjusts the diesel engine speed to the nominal speed and operates the associated switch handle to drive the beam vehicle. And the beam transporting vehicle controller outputs proportional voltage according to a given signal of the operating handle to control the opening degree of the proportional valve of the hydraulic travelling driving pump, so as to control the travelling speed of the beam transporting vehicle.
When the girder transporting vehicle works, the running motor needs to supply oil, the steering and suspension system can work at any time, and the oil supply is also needed, so that the oil supply quantity of the oil pump of the hydraulic system is ensured, the transportation Liang Chegong is stable, no matter what operation working condition is adopted during normal operation, the rotating speed of the diesel engine of the girder transporting vehicle is maintained at a higher fixed value, the energy loss of the girder transporting vehicle is serious, the energy waste is caused, and the integral use economy of the girder transporting vehicle is reduced.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides the energy-saving control method and the energy-saving control system for the walking of the girder transporting vehicle, which can carry out linear coupling control on the rotating speed of the diesel engine and the displacement of the hydraulic system under different working conditions of the girder transporting vehicle, so that the displacement of the hydraulic system is matched with the power of the diesel engine, the energy utilization efficiency of the walking system of the girder transporting vehicle is further effectively improved, and the energy conservation and the emission reduction of the system are realized.
In order to solve the technical problems, the invention adopts the following technical scheme:
1. Energy-saving control method for walking of beam transporting vehicle
The invention provides a beam transport vehicle running energy-saving control method, which mainly comprises the following steps:
S1, detecting the actual working condition of a beam transporting vehicle;
S2, linearly coupling the rotating speed of the diesel engine with the displacement of the hydraulic system;
S3, determining the power range of the engine under the current working condition according to the actual working condition parameters of the girder transporting vehicle;
s4, setting a rotating speed control interval of the diesel engine under the current working condition according to the engine power range under the current working condition;
and S5, in the rotating speed control interval, the rotating speed of the diesel engine and the displacement of the hydraulic system are controlled linearly and automatically.
Further, in step S1, the actual working conditions of the beam transport vehicle include a standby working condition, a walking working condition and a loading and unloading working condition;
The actual working condition of the beam transporting vehicle is judged specifically by detecting the input signal of the beam transporting vehicle controller:
when the motion of the walking mechanism of the beam transporting vehicle is detected, judging that the beam transporting vehicle is currently in a walking working condition;
When the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs extend out is detected, judging that the beam transporting vehicle travelling mechanism is currently in a loading and unloading working condition;
and when the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs do not extend is detected, judging that the beam transporting vehicle travelling mechanism is currently in a standby working condition.
Further, in step S2, the linearly coupling the rotational speed of the diesel engine with the displacement of the hydraulic system includes:
the control parameters of the beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine are adjusted, so that the rotating speed of the diesel engine is coupled with the opening of the proportional valve of the driving pump, and the requirements are met:
when the operating handle is at the linear starting point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine are both at the linear control starting point position;
When the operating handle is at the linear end point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine reach the linear control end point position at the same time.
Further, in step S3, the determining the engine power range under the current working condition according to the actual working condition parameters of the beam transport vehicle specifically includes:
When the girder transporting vehicle is in a walking working condition, the minimum value of the engine power under the current working condition is calculated and determined according to the first calculation of the minimum power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously, and the maximum value of the engine power under the current working condition is calculated and determined according to the second calculation of the rated power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously;
when the girder transporting vehicle is in a loading and unloading working condition, the power range of the engine under the current working condition is calculated and determined according to the working power range of the supporting leg mechanism multiplied by the correction coefficient;
When the beam transporting vehicle is in a standby working condition, the engine power range under the current working condition is a preset range determined according to the parameters of the beam transporting vehicle.
Further, in step S4, the setting a rotation speed control interval of the diesel engine under the current working condition specifically includes:
And according to the control parameters of the coupled and adjusted beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine, combining the engine power range under the current working condition to determine the rotating speed range of the diesel engine corresponding to the engine power range.
Further, in step S5, the method further includes performing linear automatic control on the rotational speed of the diesel engine and the displacement of the hydraulic system at the same time, and specifically includes:
determining a starting point and an ending point of the linear control of the rotating speed of the diesel engine according to the power range of the engine under the current working condition;
determining a starting point and an end point of the linear control of the opening of a proportional valve of a driving pump according to the linear coupling relation between the rotating speed of the diesel engine and the displacement of a hydraulic system, and further calculating the output range of control current;
And determining a linear control interval of the operating handle according to the output range of the control current, and switching the girder transporting vehicle controller to a rotating speed automatic control mode so as to adjust the rotating speed of the diesel engine and the displacement of the hydraulic system in real time according to the output signal of the operating handle.
When the girder transporting vehicle is in a running working condition, the rotating speed control interval of the diesel engine is 1800-2100rpm;
when the girder transporting vehicle is in a loading and unloading working condition, the rotating speed control interval of the diesel engine is 900-1100rpm;
when the girder transporting vehicle is in a standby working condition, the rotating speed control interval of the diesel engine is 800-1000rpm.
2. Beam transporting vehicle running energy-saving control system
Based on the same inventive concept, the invention also provides a beam transport vehicle running energy-saving control system adopting the control method, which comprises
The travelling mechanism is used for driving the beam transport vehicle to travel in a straight line;
The steering mechanism is used for driving the beam transport vehicle to steer;
the supporting leg mechanism is used for supporting the beam transporting vehicle body when the box girder is assembled and disassembled;
And the beam transporting vehicle controller is used for collecting state signals of the travelling mechanism, the steering mechanism and the supporting leg mechanism in real time so as to judge the actual working condition of the beam transporting vehicle and simultaneously carry out linear automatic control on the rotating speed of the diesel engine and the displacement of the hydraulic system.
Compared with the prior art, the invention has the following main advantages:
1. The invention provides a beam transporting vehicle running energy-saving control method and a beam transporting vehicle running energy-saving control system, which can carry out linear coupling control on the rotating speed of a diesel engine and the displacement of a hydraulic system under different working conditions of the beam transporting vehicle, so that the displacement of the hydraulic system is matched with the power of the diesel engine;
2. the invention distinguishes the working conditions of the girder transporting vehicle under different conditions, and adjusts the rotating speed of the diesel engine under different working conditions in real time through the linear coupling control of the displacement of the diesel engine and the pump, thereby greatly improving the energy utilization efficiency of the girder transporting vehicle, improving the overall use economy of the equipment and having wide application prospect.
Drawings
FIG. 1 is an overall flow chart of a beam truck travel energy-saving control method in an embodiment of the invention;
fig. 2 is a schematic diagram of a corresponding relationship between a rotational speed and a power of a diesel engine according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
It should be noted that each step/component described in the present application may be split into more steps/components, or two or more steps/components or part of operations of the steps/components may be combined into new steps/components, according to the implementation needs, to achieve the object of the present application.
In a first embodiment, the present embodiment provides a beam transport vehicle running energy-saving control method, as shown in fig. 1, mainly including the following steps:
S1, detecting the actual working condition of a beam transporting vehicle;
S2, linearly coupling the rotating speed of the diesel engine with the displacement of the hydraulic system;
S3, determining the power range of the engine under the current working condition according to the actual working condition parameters of the girder transporting vehicle;
s4, setting a rotating speed control interval of the diesel engine under the current working condition according to the engine power range under the current working condition;
and S5, in the rotating speed control interval, the rotating speed of the diesel engine and the displacement of the hydraulic system are controlled linearly and automatically.
Further, in step S1, the actual working conditions of the beam transport vehicle include a standby working condition, a walking working condition and a loading and unloading working condition;
The actual working condition of the beam transporting vehicle is judged specifically by detecting the input signal of the beam transporting vehicle controller:
when the motion of the walking mechanism of the beam transporting vehicle is detected, judging that the beam transporting vehicle is currently in a walking working condition;
When the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs extend out is detected, judging that the beam transporting vehicle travelling mechanism is currently in a loading and unloading working condition;
and when the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs do not extend is detected, judging that the beam transporting vehicle travelling mechanism is currently in a standby working condition.
Further, in step S2, the linearly coupling the rotational speed of the diesel engine with the displacement of the hydraulic system includes:
the control parameters of the beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine are adjusted, so that the rotating speed of the diesel engine is coupled with the opening of the proportional valve of the driving pump, and the requirements are met:
when the operating handle is at the linear starting point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine are both at the linear control starting point position;
When the operating handle is at the linear end point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine reach the linear control end point position at the same time.
Further, in step S3, the determining the engine power range under the current working condition according to the actual working condition parameters of the beam transport vehicle specifically includes:
When the girder transporting vehicle is in a walking working condition, the minimum value of the engine power under the current working condition is calculated and determined according to the first calculation of the minimum power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously, and the maximum value of the engine power under the current working condition is calculated and determined according to the second calculation of the rated power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously;
when the girder transporting vehicle is in a loading and unloading working condition, the power range of the engine under the current working condition is calculated and determined according to the working power range of the supporting leg mechanism multiplied by the correction coefficient;
When the beam transporting vehicle is in a standby working condition, the engine power range under the current working condition is a preset range determined according to the parameters of the beam transporting vehicle.
Further, in step S4, the setting a rotation speed control interval of the diesel engine under the current working condition specifically includes:
And according to the control parameters of the coupled and adjusted beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine, combining the engine power range under the current working condition to determine the rotating speed range of the diesel engine corresponding to the engine power range.
Further, in step S5, the method further includes performing linear automatic control on the rotational speed of the diesel engine and the displacement of the hydraulic system at the same time, and specifically includes:
determining a starting point and an ending point of the linear control of the rotating speed of the diesel engine according to the power range of the engine under the current working condition;
determining a starting point and an end point of the linear control of the opening of a proportional valve of a driving pump according to the linear coupling relation between the rotating speed of the diesel engine and the displacement of a hydraulic system, and further calculating the output range of control current;
And determining a linear control interval of the operating handle according to the output range of the control current, and switching the girder transporting vehicle controller to a rotating speed automatic control mode so as to adjust the rotating speed of the diesel engine and the displacement of the hydraulic system in real time according to the output signal of the operating handle.
When the girder transporting vehicle is in a running working condition, the rotating speed control interval of the diesel engine is 1800-2100rpm;
when the girder transporting vehicle is in a loading and unloading working condition, the rotating speed control interval of the diesel engine is 900-1100rpm;
when the girder transporting vehicle is in a standby working condition, the rotating speed control interval of the diesel engine is 800-1000rpm.
According to the beam transport vehicle running energy-saving control method, the fixed rotating speed control mode of only independently adjusting the rotating speed is improved to be a new mode of linearly adjusting the rotating speed of the diesel engine and the displacement of the hydraulic system at the same time by linearly coupling the diesel engine and the hydraulic system, and the improvement aims to solve the problem of overhigh rotating speed of the diesel engine when the displacement of the hydraulic system is low, so that the energy utilization efficiency is improved more effectively.
In the control system, the displacement of the hydraulic pump is in linear proportion to the control current, the control current is 7-43mA, the displacement of the pump is controlled to be variable from 0-100% in the range, wherein 7mA is the starting point of the pump, and 0-7mA is the dead zone of the pump design.
When the handle (dead zone of the handle with safety design) is at the linear starting point, the variable of the pump (7 mA) and the rotating speed of the diesel engine (800 rpm) are both at the starting point positions, and when the handle reaches the linear end point, the displacement of the pump (43 mA) and the rotating speed of the diesel engine (2100 rpm) reach linearly at the same time.
As shown in FIG. 2, the rotational speed of the diesel engine is outputted from 600-2100rpm, the power of 85-447kw is outputted approximately linearly, the starting point is set to 800-2100rpm for ensuring the normal operation of the diesel engine, and the stability of the system is better.
The third embodiment provides, based on the same inventive concept, a beam transport vehicle running energy-saving control system adopting the control method as described above, which mainly includes:
the travelling mechanism is used for driving the beam transport vehicle to travel in a straight line;
The steering mechanism is used for driving the beam transport vehicle to steer;
the supporting leg mechanism is used for supporting the beam transporting vehicle body when the box girder is assembled and disassembled;
And the beam transporting vehicle controller is used for collecting state signals of the travelling mechanism, the steering mechanism and the supporting leg mechanism in real time so as to judge the actual working condition of the beam transporting vehicle and simultaneously carry out linear automatic control on the rotating speed of the diesel engine and the displacement of the hydraulic system.
The fourth embodiment provides a beam transporting vehicle based on the same inventive concept, wherein the beam transporting vehicle is provided with the beam transporting vehicle travelling energy-saving control system.
Furthermore, the non-detailed description of the present application is the same as or implemented by the prior art.
To sum up:
1. The invention provides a beam transporting vehicle running energy-saving control method and a beam transporting vehicle running energy-saving control system, which can carry out linear coupling control on the rotating speed of a diesel engine and the displacement of a hydraulic system under different working conditions of the beam transporting vehicle, so that the displacement of the hydraulic system is matched with the power of the diesel engine;
2. the invention distinguishes the working conditions of the girder transporting vehicle under different conditions, and adjusts the rotating speed of the diesel engine under different working conditions in real time through the linear coupling control of the displacement of the diesel engine and the pump, thereby greatly improving the energy utilization efficiency of the girder transporting vehicle, improving the overall use economy of the equipment and having wide application prospect.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The beam transport vehicle running energy-saving control method is characterized by comprising the following steps of:
S1, detecting the actual working condition of a beam transporting vehicle;
S2, carrying out linear coupling on the rotating speed of the diesel engine and the displacement of a hydraulic system, and comprising the following steps:
the control parameters of the beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine are adjusted, so that the rotating speed of the diesel engine is coupled with the opening of the proportional valve of the driving pump, and the requirements are met:
when the operating handle is at the linear starting point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine are both at the linear control starting point position;
when the operating handle is at a linear end point, the opening of the proportional valve of the driving pump and the rotating speed of the diesel engine reach the linear control end point position at the same time;
S3, determining the power range of the engine under the current working condition according to the actual working condition parameters of the girder transporting vehicle;
s4, setting a rotating speed control interval of the diesel engine under the current working condition according to the engine power range under the current working condition;
S5, in the rotating speed control interval, simultaneously carrying out linear automatic control on the rotating speed of the diesel engine and the displacement of the hydraulic system, and specifically comprising the following steps:
determining a starting point and an ending point of the linear control of the rotating speed of the diesel engine according to the power range of the engine under the current working condition;
determining a starting point and an end point of the linear control of the opening of a proportional valve of a driving pump according to the linear coupling relation between the rotating speed of the diesel engine and the displacement of a hydraulic system, and further calculating the output range of control current;
And determining a linear control interval of the operating handle according to the output range of the control current, and switching the girder transporting vehicle controller to a rotating speed automatic control mode so as to adjust the rotating speed of the diesel engine and the displacement of the hydraulic system in real time according to the output signal of the operating handle.
2. The beam transport vehicle traveling energy-saving control method according to claim 1, wherein in the step S1, the actual working conditions of the beam transport vehicle comprise a standby working condition, a traveling working condition and a loading and unloading working condition;
The actual working condition of the beam transporting vehicle is judged specifically by detecting the input signal of the beam transporting vehicle controller:
when the motion of the walking mechanism of the beam transporting vehicle is detected, judging that the beam transporting vehicle is currently in a walking working condition;
When the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs extend out is detected, judging that the beam transporting vehicle travelling mechanism is currently in a loading and unloading working condition;
and when the fact that the beam transporting vehicle travelling mechanism does not act and the supporting legs do not extend is detected, judging that the beam transporting vehicle travelling mechanism is currently in a standby working condition.
3. The beam transport vehicle traveling energy-saving control method according to claim 1, wherein in step S3, the engine power range under the current working condition is determined according to the actual working condition parameters of the beam transport vehicle, and the method specifically comprises the following steps:
When the girder transporting vehicle is in a walking working condition, the minimum value of the engine power under the current working condition is calculated and determined according to the first calculation of the minimum power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously, and the maximum value of the engine power under the current working condition is calculated and determined according to the second calculation of the rated power multiplied by the correction coefficient when the girder transporting vehicle walking mechanism, the steering mechanism and the suspension mechanism work simultaneously;
when the girder transporting vehicle is in a loading and unloading working condition, the power range of the engine under the current working condition is calculated and determined according to the working power range of the supporting leg mechanism multiplied by the correction coefficient;
When the beam transporting vehicle is in a standby working condition, the engine power range under the current working condition is a preset range determined according to the parameters of the beam transporting vehicle.
4. The beam transport vehicle traveling energy saving control method according to claim 3, wherein in step S4, the setting of the rotation speed control interval of the diesel engine under the current working condition specifically includes:
And according to the control parameters of the coupled and adjusted beam-transporting vehicle controller for carrying out linear control on the rotating speed of the diesel engine, combining the engine power range under the current working condition to determine the rotating speed range of the diesel engine corresponding to the engine power range.
5. The beam carrier travel energy-saving control method according to claim 4, wherein the rotation speed control interval of the diesel engine is 1800-2100rpm when the beam carrier is in a travel condition.
6. The beam transport vehicle running energy-saving control method according to claim 4, wherein the rotation speed control interval of the diesel engine is 900-1100rpm when the beam transport vehicle is in a loading and unloading working condition, and is 800-1000rpm when the beam transport vehicle is in a standby working condition.
7. A beam carrier travel energy saving control system employing the control method according to any one of claims 1 to 6, characterized by comprising:
the travelling mechanism is used for driving the beam transport vehicle to travel in a straight line;
The steering mechanism is used for driving the beam transport vehicle to steer;
the supporting leg mechanism is used for supporting the beam transporting vehicle body when the box girder is assembled and disassembled;
And the beam transporting vehicle controller is used for collecting state signals of the travelling mechanism, the steering mechanism and the supporting leg mechanism in real time so as to judge the actual working condition of the beam transporting vehicle and simultaneously carry out linear automatic control on the rotating speed of the diesel engine and the displacement of the hydraulic system.
8. A beam transporting vehicle is characterized by comprising the beam transporting vehicle running energy-saving control system of claim 7.
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|---|---|---|---|---|
| CN111002893A (en) * | 2019-12-16 | 2020-04-14 | 苏州大方特种车股份有限公司 | Beam transporting vehicle |
| CN117508238A (en) * | 2023-08-21 | 2024-02-06 | 武汉科技大学 | Energy-saving system and method for beam transport vehicle based on traveling pressure control |
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