阅读说明：本技术 一种压裂车、压裂车车台发动机启动方法及装置 (Fracturing truck, and method and device for starting engine of fracturing truck platform ) 是由 谢学志 陈帅 于 2021-06-30 设计创作，主要内容包括：本发明提供了一种压裂车、压裂车车台发动机启动方法及装置,压裂车包括：底盘驱动装置；取力器,所述取力器的一端适于与所述底盘驱动装置驱动连接；启动泵,所述启动泵与所述取力器的另一端传动连接；启动马达和液压启动阀,所述启动马达通过所述液压启动阀与所述启动泵连通；车台发动机,所述车台发动机与所述启动马达驱动连接；启动装置,所述启动装置分别与所述底盘驱动装置、所述取力器、所述液压启动阀电连接,所述启动装置用于控制所述底盘驱动装置的输出转速,还用于控制所述取力器与所述底盘驱动装置之间的通断,以及用于控制所述液压启动阀的转向。本发明的技术方案提高了车台发动机的启动效率,降低了工作人员的工作量。(The invention provides a fracturing truck, a method and a device for starting an engine of a platform of the fracturing truck, wherein the fracturing truck comprises: a chassis drive device; a power take-off having one end adapted for driving connection with the chassis drive; the starting pump is in transmission connection with the other end of the power takeoff; a starter motor and a hydraulically actuated valve, the starter motor communicating with the starter pump through the hydraulically actuated valve; the vehicle platform engine is in driving connection with the starting motor; the starting device is respectively electrically connected with the chassis driving device, the power takeoff and the hydraulic starting valve, and is used for controlling the output rotating speed of the chassis driving device, controlling the on-off of the power takeoff and the chassis driving device and controlling the steering of the hydraulic starting valve. The technical scheme of the invention improves the starting efficiency of the vehicle platform engine and reduces the workload of workers.)

1. A fracturing truck, comprising:

a chassis drive device;

a power take-off having one end adapted for driving connection with the chassis drive;

the starting pump is in transmission connection with the other end of the power takeoff;

a starter motor and a hydraulically actuated valve, the starter motor communicating with the starter pump through the hydraulically actuated valve;

the vehicle platform engine is in driving connection with the starting motor;

the starting device is respectively electrically connected with the chassis driving device, the power takeoff and the hydraulic starting valve, and is used for controlling the output rotating speed of the chassis driving device, controlling the on-off of the power takeoff and the chassis driving device and controlling the steering of the hydraulic starting valve.

2. The fracturing truck of claim 1, wherein said chassis drive includes a chassis motor and a chassis gearbox, said chassis motor and said chassis gearbox being drivingly connected, said chassis gearbox being adapted for driving connection with said startup pump through said power take-off, said chassis motor being electrically connected with said startup device.

3. A fracturing truck bed engine starting method, based on the fracturing truck of claim 1 or 2, comprising:

acquiring a starting signal, and starting a chassis driving device according to the starting signal;

if the chassis driving device is started successfully, controlling the power takeoff to be connected with the chassis driving device;

when the power takeoff of the starting pump is successful, controlling the output rotating speed of the chassis driving device to increase to a calibration speed so that the chassis driving device drives the starting pump to start through the power takeoff;

and when the starting pump is started successfully, controlling a hydraulic starting valve to turn so that the starting pump drives the starting motor, and the starting motor starts the vehicle platform engine.

4. The frac car stand engine starting method of claim 3, wherein after the starter motor starts the frac car stand engine, the frac car stand engine starting method further comprises:

when the vehicle platform engine is started successfully, controlling the power takeoff to be separated from the chassis driving device and controlling the chassis driving device to stop;

and when the starting of the vehicle platform engine fails, the hydraulic starting valve is controlled to be turned again.

5. The frac carriage engine start method of claim 4, wherein the successful start of the carriage engine comprises: and within a first calibration duration after the starting pump is successfully started, the rotating speed of the vehicle platform engine reaches a calibration rotating speed and lasts for a second calibration duration.

6. The frac carriage engine start method of claim 4, wherein said re-controlling the hydraulically actuated valve steering comprises:

and when the starting of the vehicle platform engine fails, after the starting failure of the vehicle platform engine is determined, the hydraulic starting valve is controlled to turn again after a third calibrated duration.

7. The frac carriage engine start method of claim 6, wherein prior to controlling the hydraulic start valve to steer, the frac carriage engine start method further comprises:

detecting whether the vehicle platform engine normally runs, and if so, stopping controlling the hydraulic starting valve to steer; if not, controlling the hydraulic starting valve to steer.

8. The frac carriage engine starting method of any one of claims 3 to 7, wherein said start signal comprises an automatic start signal, said activating the chassis drive device according to said start signal comprising:

detecting whether an automatic control authorization signal is obtained;

if yes, starting the chassis driving device according to the automatic starting signal; if not, no processing is carried out.

9. A fracturing truck platform engine starting device, comprising:

the acquisition module is used for acquiring a starting signal and starting the chassis driving device according to the starting signal;

the power take-off module is used for controlling the power take-off to be connected with the chassis driving device if the chassis driving device is started successfully;

the speed regulation module is used for controlling the output rotating speed of the chassis driving device to be increased to a calibrated speed when the power takeoff of the starting pump is successful, so that the chassis driving device drives the starting pump to start through the power takeoff;

and the driving module is used for controlling the hydraulic starting valve to turn when the starting pump is started successfully, and the starting pump drives the starting motor so as to enable the starting motor to start the vehicle platform engine.

10. A computer-readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when executed by a controller, implements a frac carriage engine starting method as claimed in any one of claims 3 to 8.

Technical Field

The invention relates to the technical field of fracturing truck control, in particular to a fracturing truck, and a method and a device for starting a platform engine of the fracturing truck.

Background

The fracturing truck is a special vehicle for injecting high-pressure and large-discharge fracturing fluid into a well, fracturing a stratum and extruding a propping agent into a fracture, and comprises a chassis engine and a truck platform engine, wherein the chassis engine is used for providing power for the fracturing truck to walk, and the truck platform engine is used for providing power for a fracturing pump.

At present, when the control platform engine is started, a worker starts the chassis engine in a fracturing truck cab and controls the chassis engine to increase the speed, then the worker or another worker arrives at a control cabinet of the platform engine to control a starting motor to start the machine, and then the platform engine is started through the driving of the chassis engine. However, the control cabinet of the vehicle engine is far away from the cab, so that a plurality of workers are required to cooperate in the whole starting process, or one worker frequently switches positions between the cab and the control cabinet, the state of the equipment needs to be judged manually, the operation is complex, and the efficiency is low.

Disclosure of Invention

The invention solves the problem of how to improve the starting efficiency of the vehicle platform engine and reduce the workload of workers.

In order to solve the problems, the invention provides a fracturing truck, and a method and a device for starting an engine of a trolley of the fracturing truck.

In a first aspect, the present invention provides a fracturing truck comprising:

a chassis drive device;

a power take-off having one end adapted for driving connection with the chassis drive;

the starting pump is in transmission connection with the other end of the power takeoff;

a starter motor and a hydraulically actuated valve, the starter motor communicating with the starter pump through the hydraulically actuated valve;

the vehicle platform engine is in driving connection with the starting motor;

the starting device is respectively electrically connected with the chassis driving device, the power takeoff and the hydraulic starting valve, and is used for controlling the output rotating speed of the chassis driving device, controlling the on-off of the power takeoff and the chassis driving device and controlling the steering of the hydraulic starting valve.

Optionally, the chassis driving device comprises a chassis engine and a chassis gearbox, the chassis engine and the chassis gearbox are in driving connection, the chassis gearbox is suitable for being in driving connection with the starting pump through the power takeoff, and the chassis engine is electrically connected with the starting device.

In a second aspect, the invention provides a fracturing truck platform engine starting method, based on the fracturing truck, the fracturing truck platform engine starting method includes:

acquiring a starting signal, and starting a chassis driving device according to the starting signal;

if the chassis driving device is started successfully, controlling the power takeoff to be connected with the chassis driving device;

when the power takeoff of the starting pump is successful, controlling the output rotating speed of the chassis driving device to increase to a calibration speed so that the chassis driving device drives the starting pump to start through the power takeoff;

and when the starting pump is started successfully, controlling a hydraulic starting valve to turn so that the starting pump drives the starting motor, and the starting motor starts the vehicle platform engine.

Optionally, after the starting motor starts the trolley engine, the fracturing trolley engine starting method further comprises:

when the vehicle platform engine is started successfully, controlling the power takeoff to be separated from the chassis driving device and controlling the chassis driving device to stop;

and when the starting of the vehicle platform engine fails, the hydraulic starting valve is controlled to be turned again.

Optionally, the successful start of the vehicle mount engine comprises: and within a first calibration duration after the starting pump is successfully started, the rotating speed of the vehicle platform engine reaches a calibration rotating speed and lasts for a second calibration duration.

Optionally, said re-controlling said hydraulically actuated valve steering comprises:

and when the starting of the vehicle platform engine fails, after the starting failure of the vehicle platform engine is determined, the hydraulic starting valve is controlled to turn again after a third calibrated duration.

Optionally, before controlling the hydraulic starting valve to steer, the fracturing truck bed engine starting method further comprises:

detecting whether the vehicle platform engine normally runs, and if so, stopping controlling the hydraulic starting valve to steer; if not, controlling the hydraulic starting valve to steer.

Optionally, the starting signal includes an automatic starting signal, and the starting the chassis driving device according to the starting signal includes:

detecting whether an automatic control authorization signal is obtained;

if yes, starting the chassis driving device according to the automatic starting signal; if not, no processing is carried out.

In a third aspect, the present invention provides a fracturing truck bed engine starting device, comprising:

the acquisition module is used for acquiring a starting signal and starting the chassis driving device according to the starting signal;

the power take-off module is used for controlling the power take-off to be connected with the chassis driving device if the chassis driving device is started successfully;

the speed regulation module is used for controlling the output rotating speed of the chassis driving device to be increased to a calibrated speed when the power takeoff of the starting pump is successful, so that the chassis driving device drives the starting pump to start through the power takeoff;

and the driving module is used for controlling the hydraulic starting valve to turn when the starting pump is started successfully, and the starting pump drives the starting motor so as to enable the starting motor to start the vehicle platform engine.

In a fourth aspect, the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a controller, implements a frac truck stand engine starting method as described above.

The fracturing truck, the method and the device for starting the truck platform engine of the fracturing truck have the beneficial effects that: the starting device is used for controlling the chassis driving device to start, after the chassis driving device is started, the power takeoff is controlled to be automatically connected with the chassis driving device, the chassis driving device drives the starting pump through the power takeoff, then the chassis driving device can be controlled to ascend through the starting device until the starting pump is driven to start successfully, the starting device controls the hydraulic starting valve to turn at the moment, power current and/or hydraulic oil of the vehicle platform engine are controlled to be conducted, after the hydraulic starting valve is started, the starting pump is communicated with the starting motor, the hydraulic oil flows into the starting motor to drive the starting motor to work, and the starting motor drives the vehicle platform engine to start. According to the technical scheme, the starting device is used for judging the states of the equipment at different moments, so that the whole starting process is automatically controlled, manual operation is not needed, the workload of workers is greatly reduced, and the starting efficiency and convenience of the vehicle platform engine are improved.

Drawings

Fig. 1 is a schematic structural diagram of a fracturing truck according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of a method for starting an engine of a fracturing truck bed according to an embodiment of the present invention;

fig. 3 is a schematic flow chart of a fracturing truck bed engine starting method according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fracturing truck platform engine starting device according to another embodiment of the invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

As shown in fig. 1, a fracturing truck provided in an embodiment of the present invention includes:

a chassis drive device. The chassis driving device comprises a chassis engine and a chassis gearbox, the chassis engine is in driving connection with the chassis gearbox, the chassis gearbox is suitable for being in driving connection with the starting pump through the power takeoff, and the chassis engine is electrically connected with the starting device. Specifically, the chassis gearbox can adopt an automatic gearbox, the starting device can directly control the rotating speed of the chassis engine when controlling the rotating speed of the chassis driving device, and the chassis gearbox can automatically adjust the transmission ratio and the torque ratio according to the rotating speed of the chassis engine.

A power take-off having one end adapted for driving connection with the chassis drive arrangement.

And the starting pump is in transmission connection with the other end of the power takeoff.

A starter motor and a hydraulically actuated valve through which the starter motor communicates with the starter pump. Specifically, both the starter pump and the starter motor are hydraulically driven.

And the vehicle platform engine is in driving connection with the starting motor.

The starting device is respectively electrically connected with the chassis driving device, the power takeoff and the hydraulic starting valve, and is used for controlling the chassis driving device to start and stop and the output rotating speed of the chassis driving device, controlling the on-off of the power takeoff and the chassis driving device and controlling the steering of the hydraulic starting valve.

Specifically, the starting device is also used for controlling the on-off of current and/or the on-off of hydraulic oil of the vehicle platform engine so as to control the start or stop of the vehicle platform engine, and after the vehicle platform engine starts, the vehicle platform engine is started through the driving of the starting motor.

In this embodiment, the chassis driving device is controlled to start through the starting device, after the chassis driving device is started, the power takeoff is controlled to be automatically connected with the chassis driving device, the chassis driving device drives the starting pump through the power takeoff, then the chassis driving device is controlled to increase the speed through the starting device until the starting pump is successfully started, at this moment, the starting device controls the hydraulic starting valve to turn, and controls the power current conduction and/or the hydraulic oil conduction of the platform engine, after the hydraulic starting valve is started, the starting pump is communicated with the starting motor, the hydraulic oil flows into the starting motor, the starting motor is driven to work, and the starting motor drives the platform engine to start. According to the technical scheme, the starting device is used for judging the states of the equipment at different moments, so that the whole starting process is automatically controlled, manual operation is not needed, the workload of workers is greatly reduced, and the starting efficiency and convenience of the vehicle platform engine are improved.

As shown in fig. 2 and fig. 3, in the fracturing truck stand engine starting method provided in an embodiment of the present invention, based on the fracturing truck, an execution subject may be a processing device such as a controller and a server, and the fracturing truck stand engine starting method includes:

and step S110, acquiring a starting signal, and starting the chassis driving device according to the starting signal.

Specifically, the current on-off of the chassis driving device can be controlled according to the starting signal, and the starting and stopping of the chassis driving device are further controlled. The starting device acquires the starting signal, and the starting signal can be transmitted to the starting device through remote equipment such as a remote controller or a local device such as a starting button.

And step S120, if the chassis driving device is started successfully, controlling a power takeoff to be connected with the chassis driving device.

Specifically, whether the chassis driving device is started successfully or not is judged, and if the chassis driving device is started successfully, the power takeoff is automatically hung, namely the power takeoff is automatically controlled to be connected with the chassis driving device; if not, restarting the chassis driving device until the chassis driving device is started or the restart times reach the preset times.

And step S130, when the power takeoff of the starting pump is successful, controlling the output rotating speed of the chassis driving device to increase to a calibration speed so that the chassis driving device drives the starting pump to start through the power takeoff.

Specifically, whether the power takeoff is successfully connected with the chassis driving device or not is judged, whether the power takeoff is successfully connected with the chassis driving device or not can be judged according to whether the starting pump starts to operate or not, and if yes, the output rotating speed of the chassis driving device is controlled to increase; if not, the power takeoff is hung again until the power takeoff is successfully connected with the chassis driving device, or the reconnection times reach the preset times.

And step S140, when the starting pump is started successfully, controlling a hydraulic starting valve to turn so that the starting pump drives the starting motor, and the starting motor starts the vehicle platform engine.

Specifically, the starting pump and the starting motor can both adopt hydraulic control, whether the starting pump is started successfully or not is judged, namely whether the power taking of the starting pump is successful or not is judged, whether the starting pump is started successfully or not can be judged by judging whether the rotating speed of the starting pump reaches a preset rotating speed or not, when the starting pump is started successfully, the hydraulic starting valve is controlled to turn, the starting pump and the starting motor are communicated, hydraulic oil flows into the starting motor, the starting motor is driven to start to work, and then the vehicle platform engine is driven to start.

In this embodiment, the staff only need input the start signal, according to this start signal automatic control whole start-up process to automatic judgement equipment state has reduced artificial intervention, has reduced staff's work load by a wide margin, and compares in artifical start-up mode, and the start-up speed is faster, efficiency is higher.

Optionally, after the starting motor starts the trolley engine, the fracturing trolley engine starting method further comprises:

when the vehicle platform engine is started successfully, controlling the power takeoff to be separated from the chassis driving device and controlling the chassis driving device to stop;

and when the starting of the vehicle platform engine fails, the hydraulic starting valve is controlled to be turned again.

Specifically, when the vehicle engine is started successfully, the chassis driving device and the power takeoff do not need to be used, and in order to save energy and reduce equipment loss, the power takeoff is controlled to be separated and the chassis driving device is controlled to be shut down in sequence. When the starting of the vehicle platform engine fails, the hydraulic starting valve may not turn or turn error, so the hydraulic starting valve can be controlled again to turn again to restart the vehicle platform engine.

Optionally, the successful start of the vehicle mount engine comprises: and within a first calibration duration after the starting pump is successfully started, the rotating speed of the vehicle platform engine reaches a calibration rotating speed and lasts for a second calibration duration.

Specifically, the rotation speed of the bogie engine can be detected through a preset rotation speed sensor for detecting the bogie engine, and if the first calibration time period is 45s, the calibration rotation speed is 600r/min, and the second calibration time period is 15s, the successful start of the bogie engine can be represented as that the rotation speed of the bogie engine reaches 600r/min within 45s after the start pump is successfully started, and lasts for more than 15s at the rotation speed greater than or equal to 600 r/min.

Optionally, said re-controlling said hydraulically actuated valve steering comprises:

and when the starting of the vehicle platform engine fails, after the starting failure of the vehicle platform engine is determined, the hydraulic starting valve is controlled to turn again after a third calibrated duration.

In this optional embodiment, the first calibration duration may be longer than the second calibration duration, if the rotation speed of the vehicle-mounted engine does not reach the calibration rotation speed within the first calibration duration after the start-up of the starting pump is successful, or does not last for the second calibration duration above the calibration rotation speed, the time when the first calibration duration passes after the start-up of the starting pump is determined as the time when the start-up of the vehicle-mounted engine fails, the vehicle-mounted engine is not allowed to be restarted within a third calibration duration from the time, and the vehicle-mounted engine is automatically restarted after the third calibration duration passes at the time, so that the vehicle-mounted engine is prevented from being restarted too frequently, the heat generation amount is too large, and the vehicle-mounted engine is damaged.

Optionally, before controlling the hydraulic starting valve to steer, the fracturing truck bed engine starting method further comprises:

detecting whether the vehicle platform engine normally runs, and if so, stopping controlling the hydraulic starting valve to steer; if not, controlling the hydraulic starting valve to steer.

In this optional embodiment, because it is determined that the hydraulic start valve is not allowed to be restarted immediately when the start of the carriage engine fails, it is necessary to automatically control the hydraulic start valve to turn after a third calibration duration to control the restart of the carriage engine, and there may be a case where the start of the carriage engine is successful within a time range corresponding to the third calibration duration, for example, the carriage engine starts to operate within a time range corresponding to the first calibration duration, and when the first calibration duration ends, the rotation speed does not reach the calibration rotation speed, or the calibration rotation speed is reached but the duration does not reach the second calibration duration, but the rotation speed of the carriage engine reaches the calibration rotation speed within a subsequent time range of the third calibration duration and the duration exceeds the second calibration duration, at this time, the carriage engine has been started successfully, and if the hydraulic start valve is controlled to turn again, it is unnecessary to restart the carriage engine, but also may interfere with normal operation of the bed engine. Therefore, whether the vehicle platform engine is successfully started or not is checked in advance before the hydraulic starting valve is controlled to rotate, adverse effects on normal operation of the vehicle platform engine caused by repeated starting are avoided, and equipment is protected.

Optionally, the starting signal includes an automatic starting signal, and the starting the chassis driving device according to the starting signal includes:

detecting whether an automatic control authorization signal is obtained;

if yes, starting the chassis driving device according to the automatic starting signal; if not, no processing is carried out.

In particular, in order to ensure the operation safety of each device of the fracturing truck, in addition to automatic control, a local control function of each device needs to be reserved. A change-over switch can be arranged, and the change-over can be carried out in two control modes of automatic control and local control, the starting method in the embodiment is the automatic control mode, and the local control mode is a manual operation mode in the prior art. When the change-over switch is switched to the automatic control mode, an automatic control authorization signal is output, the vehicle platform engine is automatically started through the starting method in the embodiment, and when the change-over switch is in the local control mode, the manual operation is only allowed, and the automatic control vehicle platform engine is not allowed to be started, so that the control efficiency and the convenience of the equipment can be improved, and meanwhile, the safety of the equipment control is improved.

As shown in fig. 4, a fracturing truck bed engine starting device according to another embodiment of the present invention includes:

the acquisition module is used for acquiring a starting signal and starting the chassis driving device according to the starting signal;

the power take-off module is used for controlling the power take-off to be connected with the chassis driving device if the chassis driving device is started successfully;

the speed regulation module is used for controlling the output rotating speed of the chassis driving device to be increased to a calibrated speed when the power takeoff of the starting pump is successful, so that the chassis driving device drives the starting pump to start through the power takeoff;

and the driving module is used for controlling the hydraulic starting valve to turn when the starting pump is started successfully, and the starting pump drives the starting motor so as to enable the starting motor to start the vehicle platform engine.

Another embodiment of the present invention provides a fracturing truck bed engine starting apparatus, including:

the upper computer controller is used for acquiring a starting signal and outputting the starting signal to the chassis controller;

the chassis controller is used for starting the chassis driving device according to the starting signal and judging whether the chassis driving device is started successfully or not, and if the chassis driving device is started successfully, the power takeoff is controlled to be connected with the chassis driving device; judging whether the power take-off of the starting pump is successful, if so, controlling the output rotating speed of the chassis driving device to increase to a calibration speed, and driving the starting pump to start by the chassis driving device through the power take-off; judging whether the starting pump is started successfully or not, and if the starting pump is started successfully, feeding back a starting pump starting signal to an upper computer controller;

and the upper computer controller is also used for controlling the hydraulic starting valve to turn according to the starting signal of the starting pump, the starting pump drives the starting motor, and the starting motor starts the vehicle platform engine.

In this embodiment, the upper computer controller may communicate with the chassis controller through the CAN bus. The upper computer controller can be a controller in a car platform engine control cabinet of the existing fracturing truck, the chassis controller can be a controller in a cab of the existing fracturing truck, communication connection is only needed to be established between the two controllers, the car platform engine is automatically controlled to be started through the cooperation of the two controllers, the existing structure of the fracturing truck is not required to be greatly changed, the cost can be saved, and the application range of the car platform engine starting method in the fracturing truck with the existing structure can be expanded.

A further embodiment of the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a controller, implements a frac truck bed engine starting method as described above.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. In this application, the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.