CN113236615A - Hydraulic vibration hammer starting control system and implementation method thereof - Google Patents
Hydraulic vibration hammer starting control system and implementation method thereof Download PDFInfo
- Publication number
- CN113236615A CN113236615A CN202110373901.5A CN202110373901A CN113236615A CN 113236615 A CN113236615 A CN 113236615A CN 202110373901 A CN202110373901 A CN 202110373901A CN 113236615 A CN113236615 A CN 113236615A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- voltage control
- control signal
- signal
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a hydraulic vibration hammer starting control system and a control method thereof, wherein the system comprises: the upper computer is used for outputting voltage control signals, and the voltage control signals comprise slope voltage control signals or curve voltage control signals; the signal converter is used for converting the voltage control signal into a current signal; the upper computer is connected with the signal converter, the signal converter is connected with the electro-hydraulic proportional valve, the electro-hydraulic proportional valve is connected with the oil pump, and the oil pump is connected with the vibration hammer body through an oil pipe. The invention controls the flow of the oil pump by controlling the valve opening of the electro-hydraulic proportional valve, so that the flow of the oil pump is slowly increased, and the hydraulic vibration hammer is stably started by the hydraulic power transmitted by the oil pump, thereby eliminating or reducing hydraulic impact, achieving the purpose of eliminating or weakening the strong vibration of the hydraulic vibration hammer in the starting process without changing the mechanical structure of the original hydraulic vibration hammer hydraulic control system, and being widely applied to the technical field of hydraulic vibration hammers.
Description
Technical Field
The invention relates to the technical field of hydraulic vibration hammers, in particular to a starting control system of a hydraulic vibration hammer and an implementation method thereof.
Background
With the rapid development of modern building industry, the technical requirements on piling machinery such as a piling hammer and the like are higher and higher. The hydraulic vibration hammer is one of important devices in pile foundation construction, and has the advantages of high pile driving efficiency, low cost, difficult damage of pile heads, small deformation of piles and the like.
The hydraulic vibration hammer mainly comprises a vibration hammer body, a hydraulic power station, a vibration reduction frame, a vibration box body and a pile clamping device. The hydraulic power station is an energy source of the vibration hammer body and provides hydraulic power for the vibration hammer body, and a hydraulic control system consisting of a signal controller, an electro-hydraulic proportional valve, an oil pump and a sensor is arranged in a control cabinet of the hydraulic power station. The hydraulic vibration hammer vibration damping frame is internally composed of a plurality of damping springs and has the main function of transmitting less vibration generated by the vibration box body to the cross beam to obtain better vibration damping effect. The vibration box body is a core component for generating exciting force, eccentric moments of paired eccentric wheels in the box body rotating at a high speed are mutually superposed in the vertical direction and mutually offset in the horizontal direction, and finally, periodic exciting force is formed. The pile gripper can be divided into single-head and double-head pile grippers and is used for fixing the vibration hammer and the pile and transmitting exciting force.
From the above, it is known that a hydraulic vibration hammer works on the vibration principle, but during the starting phase, a strong vibration phenomenon usually occurs for a while, which is caused by the hydraulic shock inside the oil pipe. The energy of the hydraulic impact is very high, which has a great negative effect on the working life and safety of the vibro-hammer body and which is exacerbated with increasing vibro-hammer power.
The main scheme for solving the problem of hydraulic impact in the starting stage of the hydraulic vibration hammer in the prior art is to adopt an energy storage mechanism to absorb energy generated by the hydraulic impact, but in the scheme, hydraulic components such as an overflow valve, an energy accumulator, an electromagnetic reversing valve and the like need to be additionally arranged on the hydraulic vibration hammer, the mechanical structure of a hydraulic system is changed, the hydraulic system is complicated, and the possibility of the hydraulic system breaking down is increased.
Disclosure of Invention
To solve the above technical problems, the present invention aims to: a hydraulic vibratory hammer start control system and a realization method thereof are provided.
The first technical scheme adopted by the invention is as follows:
the utility model provides a hydraulic vibration hammer start control system, is applied to hydraulic vibration hammer, hydraulic vibration hammer includes electric liquid proportional valve, oil pump, vibration hammer block and oil pipe, hydraulic vibration hammer start control system includes:
the upper computer is used for outputting voltage control signals, and the voltage control signals comprise slope voltage control signals or curve voltage control signals;
the signal converter is used for converting the voltage control signal into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve;
the upper computer is connected with the signal converter, the signal converter is connected with the electro-hydraulic proportional valve, the electro-hydraulic proportional valve is connected with the oil pump, and the oil pump is connected with the vibration hammer body through the oil pipe.
Further, the hydraulic vibratory hammer start control system further includes:
and the acquisition module is used for acquiring flow data of the oil pump and pressure data of the oil pipe and transmitting the flow data and the pressure data to the upper computer.
Further, the acquisition module includes:
the position sensor is arranged on the electromagnet of the oil pump and used for acquiring the flow data;
a pressure sensor for collecting the pressure data;
the pressure sensor comprises a first detection channel and a second detection channel, the first detection channel is mounted at an oil inlet of the oil pipe, and the second detection channel is mounted at an oil outlet of the oil pipe;
and the data acquisition card is used for transmitting the flow data and the pressure data to the upper computer.
Further, the upper computer is also used for calculating feedback data according to the flow data and the pressure data and adjusting control parameters of the voltage control signals according to the feedback data.
Further, the formula of the ramp voltage control signal is as follows:
wherein, U0Is the output value of the ramp voltage control signal, T is a time variable, T0M is a ramp voltage control signal amplitude setting value for the first preset starting time.
The formula of the curve type voltage control signal is as follows:
wherein, U1Is the output value of the curve type voltage control signal, T is the time variable, T1For a second predetermined start time, n is a set value of the amplitude of the curvilinear voltage control signal.
Further, the hydraulic vibratory hammer actuation control further includes:
and the power supply module is used for supplying power to the signal converter.
The second technical scheme adopted by the invention is as follows:
a control method is applied to the hydraulic vibration hammer starting control system and comprises the following steps:
the upper computer outputs a voltage control signal, wherein the voltage control signal comprises a slope type voltage control signal or a curve type voltage control signal;
and the signal converter converts the voltage control signal output by the upper computer into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve.
Further, the acquisition module acquires flow data of the oil pump and pressure data of the oil pipe and transmits the flow data and the pressure data to the upper computer.
Further, the upper computer calculates feedback data according to the flow data and the pressure data, and adjusts control parameters of the voltage control signals according to the feedback data.
The system of the invention has the advantages that: the valve opening of the electro-hydraulic proportional valve is controlled by the voltage control signal, and the flow of the oil pump is controlled by controlling the valve opening of the electro-hydraulic proportional valve, so that the flow of the oil pump is slowly increased, the hydraulic vibration hammer is stably started by hydraulic power transmitted by the oil pump, hydraulic impact is eliminated or reduced, the mechanical structure of the original hydraulic vibration hammer hydraulic control system is not required to be changed, and the purpose of eliminating or weakening strong vibration of the hydraulic vibration hammer in the starting process can be achieved.
Drawings
FIG. 1 is a system block diagram of a hydraulic vibratory hammer actuation control system of the present invention;
FIG. 2 is a flow chart of the steps of a hydraulic vibratory hammer actuation control system of the present invention;
FIG. 3 is a flowchart illustrating steps of a control method according to the present invention.
Detailed Description
Referring to fig. 1 and 2, a hydraulic vibration hammer start control system is applied to a hydraulic vibration hammer, the hydraulic vibration hammer comprises an electro-hydraulic proportional valve 11, an oil pump 12, a vibration hammer body 1 and an oil pipe, and the hydraulic vibration hammer start control system comprises:
the upper computer 8 is used for outputting voltage control signals, and the voltage control signals comprise slope voltage control signals or curve voltage control signals;
the signal converter 10 is used for converting the voltage control signal into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve 11;
the upper computer 8 is connected with a signal converter 10, the signal converter 10 is connected with an electro-hydraulic proportional valve 11, the electro-hydraulic proportional valve 11 is connected with an oil pump 12, and the oil pump 12 is connected with the vibration hammer body 1 through an oil pipe.
Specifically, the upper computer 8 may be implemented by a computer or the like. The signal converter 10 may employ a power amplifier model VT11004-1X, which is suitable for controlling a proportional pressure reducing valve, has 2 clock outputs and 2 signal switch outputs, and may protect a signal circuit through an overcurrent detection module.
In the starting stage of the hydraulic vibration hammer, the upper computer 8 outputs a voltage control signal, the voltage control signal comprises a slope type voltage control signal or a curve type voltage control signal, and the amplitudes of the two voltage control signals can be gradually increased along with time, wherein the slope type voltage control signal is a voltage control signal of which the amplitude is linearly increased along with time, and the curve type voltage control signal is a voltage control signal of which the amplitude is increased along with time in a curve manner.
Referring to fig. 2, after the signal converter 10 converts the voltage control signal into a current signal, the current signal is used to control the valve opening of the electro-hydraulic proportional valve, wherein the larger the current signal is, the larger the valve opening of the electro-hydraulic proportional valve 11 is, and the size of the valve opening controls the size of the flow of the oil pump 12, and the larger the valve opening is, the larger the flow of the oil pump 12 is.
Therefore, in the starting stage of the hydraulic vibration hammer, the flow of the oil pump 12 can be controlled by controlling the valve opening of the electro-hydraulic proportional valve 11, so that the flow of the oil pump 12 is slowly increased, the hydraulic vibration hammer is stably started by hydraulic power transmitted by the oil pump 12, hydraulic impact is eliminated or reduced, the mechanical structure of the original hydraulic vibration hammer hydraulic control system is not required to be changed, and the purpose of eliminating or weakening strong vibration of the hydraulic vibration hammer in the starting process can be achieved.
As a further alternative, the hydraulic vibratory hammer actuation control system further comprises:
and the acquisition module is used for acquiring flow data of the oil pump 12 and pressure data of an oil pipe and transmitting the flow data and the pressure data to the upper computer 8.
Specifically, the collection module that this application set up is used for gathering the flow data of oil pump 12 and the pressure data of oil pipe to utilize flow data and pressure data to adjust voltage control signal in real time, make voltage control signal better serve in the start-up process of hydraulic pressure vibratory hammer. In a specific embodiment, referring to fig. 1, the acquisition module comprises:
the position sensor 13 is arranged on the electromagnet of the oil pump 12 and used for collecting flow data;
the pressure sensor 6 is used for collecting pressure data;
the pressure sensor 6 comprises a first detection channel and a second detection channel, the first detection channel is installed at an oil inlet of the oil pipe (the oil inlet comprises a first oil inlet 2 and a second oil inlet 3, and the first detection channel can be installed at one of the oil inlets), and the second detection channel is installed at an oil outlet of the oil pipe (the oil outlet comprises a first oil outlet 4 and a second oil outlet 5, and the second detection channel can be installed at one of the oil outlets).
And the data acquisition card 9 is used for transmitting the flow data and the pressure data to the upper computer 8.
Specifically, the pressure sensor 6 may adopt a Multisystem 4010 pressure sensor, which has four parallel collecting channels, and two of the collecting channels may be used as a first detecting channel and a second detecting channel, so as to collect pressure data of an oil inlet and an oil outlet of the oil pipe. The position sensor 13 may be a GT2-P12K position sensor, and the basic principle of detecting pressure is to read the movement amount of the electromagnet by high-speed imaging using a CMOS sensor. The data acquisition card 9 may be a USB-6003 data acquisition card having 8 analog input channels and 2 analog output channels, with an analog-to-digital converter (ADC) resolution of 16 bits, a maximum sampling rate of 100kS/s, and a digital-to-analog converter (DAC) resolution of 16 bits.
After the flow data collected by the position sensor 13 and the pressure data collected by the pressure sensor 6 are transmitted to the upper computer 8 through the data acquisition card 9, the upper computer 8 processes the flow data and the pressure data to obtain feedback data, and adjusts the control parameters of the voltage control signal according to the feedback data, so that the generated voltage control signal is more suitable for the actual operation condition of the hydraulic vibration hammer, and the starting of the hydraulic vibration hammer is better controlled.
In addition, when the monitored flow data exceeds the preset threshold value, the early warning signal lamp is turned on, the upper computer 8 suspends outputting the voltage control signal, and the voltage control signal is continuously output after the flow is recovered to be normal.
As a further alternative, the formula of the ramp voltage control signal is as follows:
wherein, U0Is the output value of the ramp voltage control signal, T is a time variable, T0M is a ramp voltage control signal amplitude setting value for the first preset starting time.
As can be seen from the above formula, the formula of the ramp voltage control signal is a linear function and is at the preset starting time T0In the method, the amplitude of the voltage control signal is linearly increased along with the time, and the amplitude of the voltage control signal is linearly increased to provide a current signal which is linearly increased for the hydraulic proportional valve, so that the hydraulic power of the oil pump 12 is continuously and slowly increased, the hydraulic vibration hammer is stably started through the hydraulic power transmitted by the oil pump 12, and the starting time T is up0Then, the amplitude of the voltage control signal is a fixed value m (the amplitude can be adjusted according to the requirements of output power and the like), so that a stable current signal is provided for the hydraulic proportional valve, and the hydraulic vibration hammer body 1 works stably.
As a further alternative, the formula of the curvilinear voltage control signal is as follows:
wherein, U1Is the output value of the curve type voltage control signal, T is the time variable, T1For a second predetermined start time, n is a set value of the amplitude of the curvilinear electrical voltage control signal.
By the above formulaIt can be seen that the curvilinear voltage control signal is a curvilinear function at a predetermined start time T1In the method, the amplitude of the voltage control signal is gradually increased in a curve form along with the time, the amplitude of the voltage control signal is gradually increased in the curve form, so that a current signal which is steadily and gradually increased is provided for the hydraulic proportional valve, the hydraulic power of the oil pump 12 is continuously and slowly increased, the hydraulic vibration hammer is steadily started through the hydraulic power transmitted by the oil pump 12, and the starting time T is reached1Then, the amplitude of the voltage control signal is a fixed value n (the amplitude of the voltage control signal can be adjusted according to the requirements of output power and the like), so that a stable current signal is provided for the hydraulic proportional valve, and the hydraulic vibration hammer body 1 can work stably.
As a further alternative, the hydraulic vibrohammer activation control further comprises:
and the power supply module 7 is used for supplying power to the signal converter 10.
The invention also provides a power supply module 7, wherein the power supply module 7 is a 24V single-group switching power supply, the output voltage is 24V, the output current is 1A, and the rated power is 25W.
Referring to fig. 3, a control method of the present invention using a hydraulic vibration hammer activation control system of fig. 1 includes the steps of:
s1, the upper computer 8 outputs voltage control signals, and the voltage control signals comprise slope voltage control signals or curve voltage control signals;
s2, the signal converter 10 converts the voltage control signal output by the upper computer 8 into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve 11.
As a further optional implementation, the control method further includes the following steps:
and S3, the acquisition module acquires flow data of the oil pump 12 and pressure data of an oil pipe and transmits the flow data and the pressure data to the upper computer 8.
As a further optional implementation, the control method further includes the following steps:
and S4, the upper computer 8 calculates feedback data according to the flow data and the pressure data, and adjusts control parameters of the voltage control signals according to the feedback data.
In summary, the hydraulic vibration hammer start control system and the implementation method thereof of the invention have the following advantages:
(1) on the basis of not changing the mechanical structure of the original hydraulic control system of the hydraulic vibration hammer (without additionally using other hydraulic equipment), the starting control is optimized through a signal processing method, and the energy generated by hydraulic impact is weakened from the source, so that the strong vibration of the hydraulic vibration hammer in the starting process is weakened;
(2) the hydraulic transmission speed is high, the load adaptability is strong, and a plurality of starting control modes can be selected, wherein the starting control modes comprise two starting modes of starting controlled by a slope type voltage control signal and starting controlled by a curve type voltage control signal;
(3) the hydraulic vibration hammer starting control system adopts dynamic signal feedback, and related control parameters of the system can be adjusted in real time in an upper computer according to flow data and pressure data acquired by a sensor, so that the problem that a manually set starting curve is not matched with a load torque curve is solved;
(4) the hydraulic vibration hammer starting control system provided by the invention is added with a flow early warning function, the running state of the hydraulic vibration hammer starting system is collected and monitored in real time, and faults can be fed back and processed in time.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a hydraulic pressure vibratory hammer start control system, is applied to hydraulic pressure vibratory hammer, hydraulic pressure vibratory hammer includes electric liquid proportional valve, oil pump, vibration hammer block and oil pipe, its characterized in that, hydraulic pressure vibratory hammer start control system includes:
the upper computer is used for outputting voltage control signals, and the voltage control signals comprise slope voltage control signals or curve voltage control signals;
the signal converter is used for converting the voltage control signal into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve;
the upper computer is connected with the signal converter, the signal converter is connected with the electro-hydraulic proportional valve, the electro-hydraulic proportional valve is connected with the oil pump, and the oil pump is connected with the vibration hammer body through the oil pipe.
2. A hydraulic vibro-hammer activation control system according to claim 1, further comprising:
and the acquisition module is used for acquiring flow data of the oil pump and pressure data of the oil pipe and transmitting the flow data and the pressure data to the upper computer.
3. A hydraulic vibro-hammer activation control system as claimed in claim 2, wherein the acquisition module comprises:
the position sensor is arranged on the electromagnet of the oil pump and used for acquiring the flow data;
a pressure sensor for collecting the pressure data;
the pressure sensor comprises a first detection channel and a second detection channel, the first detection channel is mounted at an oil inlet of the oil pipe, and the second detection channel is mounted at an oil outlet of the oil pipe;
and the data acquisition card is used for transmitting the flow data and the pressure data to the upper computer.
4. The hydraulic vibratory hammer starting control system as claimed in claim 2 or 3, wherein the host computer is further configured to calculate feedback data based on the flow data and the pressure data, and adjust the control parameter of the voltage control signal based on the feedback data.
5. A hydraulic vibro-hammer activation control system as claimed in claim 1, wherein the ramp voltage control signal is formulated as follows:
wherein, U0Is the output value of the ramp voltage control signal, T is a time variable, T0M is a ramp voltage control signal amplitude setting value for the first preset starting time.
6. A hydraulic vibro-hammer activation control system as claimed in claim 1, wherein the curvilinear voltage control signal is formulated as follows:
wherein, U1Is the output value of the curve type voltage control signal, T is the time variable, T1For a second predetermined start time, n is a set value of the amplitude of the curvilinear voltage control signal.
7. A hydraulic vibratory hammer actuation control system as set forth in claim 1 further comprising:
and the power supply module is used for supplying power to the signal converter.
8. A control method applied to a hydraulic vibration hammer actuation control system according to any one of claims 2 to 4, characterized by comprising the steps of:
the upper computer outputs a voltage control signal, wherein the voltage control signal comprises a slope type voltage control signal or a curve type voltage control signal;
and the signal converter converts the voltage control signal output by the upper computer into a current signal, and the current signal is used for controlling the valve opening of the electro-hydraulic proportional valve.
9. A control method according to claim 8, characterized in that the control method further comprises the steps of:
the collecting module collects flow data of the oil pump and pressure data of the oil pipe and transmits the flow data and the pressure data to the upper computer.
10. A control method according to claim 9, characterized in that the control method further comprises the steps of:
and the upper computer calculates feedback data according to the flow data and the pressure data and adjusts the control parameters of the voltage control signals according to the feedback data.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110373901.5A CN113236615A (en) | 2021-04-07 | 2021-04-07 | Hydraulic vibration hammer starting control system and implementation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110373901.5A CN113236615A (en) | 2021-04-07 | 2021-04-07 | Hydraulic vibration hammer starting control system and implementation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113236615A true CN113236615A (en) | 2021-08-10 |
Family
ID=77131070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110373901.5A Pending CN113236615A (en) | 2021-04-07 | 2021-04-07 | Hydraulic vibration hammer starting control system and implementation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113236615A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1651665A (en) * | 2005-03-28 | 2005-08-10 | 广西柳工机械股份有限公司 | Mechanical digger full power control system and method |
CN201569906U (en) * | 2009-08-28 | 2010-09-01 | 哈尔滨哈飞工业有限责任公司 | Hydraulic and electronic integration closed loop proportioning controller |
CN103308288A (en) * | 2012-04-24 | 2013-09-18 | 浙江三方控制阀股份有限公司 | Diagnosis device of valve and diagnosis method applying same |
DE102013103722A1 (en) * | 2013-04-12 | 2014-10-16 | Thyssenkrupp Tiefbautechnik Gmbh | Vibration ramming arrangement and method for operating the vibration ram assembly |
CN105114384A (en) * | 2015-08-07 | 2015-12-02 | 徐州重型机械有限公司 | Self-adaptive control system of proportional valve and control method |
CN105298966A (en) * | 2015-11-20 | 2016-02-03 | 江南阀门有限公司 | Monitoring and controlling system and control method of piston type adjusting valve |
CN106837901A (en) * | 2017-04-12 | 2017-06-13 | 北京机械设备研究所 | A kind of Erecting System control method for reducing hydraulic starting impact |
CN108120575A (en) * | 2016-11-28 | 2018-06-05 | 杨晓东 | A kind of Single Pneumatic Vibrator Control System of Pneumatic Vibration Table |
CN108757648A (en) * | 2018-05-21 | 2018-11-06 | 广东力源液压机械有限公司 | A kind of hydraulic pile hammer control method and its system |
CN109944843A (en) * | 2016-11-22 | 2019-06-28 | 北京航空航天大学 | A kind of robot hydraulic-driven cradle head closed-loop control system |
-
2021
- 2021-04-07 CN CN202110373901.5A patent/CN113236615A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1651665A (en) * | 2005-03-28 | 2005-08-10 | 广西柳工机械股份有限公司 | Mechanical digger full power control system and method |
CN201569906U (en) * | 2009-08-28 | 2010-09-01 | 哈尔滨哈飞工业有限责任公司 | Hydraulic and electronic integration closed loop proportioning controller |
CN103308288A (en) * | 2012-04-24 | 2013-09-18 | 浙江三方控制阀股份有限公司 | Diagnosis device of valve and diagnosis method applying same |
DE102013103722A1 (en) * | 2013-04-12 | 2014-10-16 | Thyssenkrupp Tiefbautechnik Gmbh | Vibration ramming arrangement and method for operating the vibration ram assembly |
CN105114384A (en) * | 2015-08-07 | 2015-12-02 | 徐州重型机械有限公司 | Self-adaptive control system of proportional valve and control method |
CN105298966A (en) * | 2015-11-20 | 2016-02-03 | 江南阀门有限公司 | Monitoring and controlling system and control method of piston type adjusting valve |
CN109944843A (en) * | 2016-11-22 | 2019-06-28 | 北京航空航天大学 | A kind of robot hydraulic-driven cradle head closed-loop control system |
CN108120575A (en) * | 2016-11-28 | 2018-06-05 | 杨晓东 | A kind of Single Pneumatic Vibrator Control System of Pneumatic Vibration Table |
CN106837901A (en) * | 2017-04-12 | 2017-06-13 | 北京机械设备研究所 | A kind of Erecting System control method for reducing hydraulic starting impact |
CN108757648A (en) * | 2018-05-21 | 2018-11-06 | 广东力源液压机械有限公司 | A kind of hydraulic pile hammer control method and its system |
Non-Patent Citations (1)
Title |
---|
罗春雷: "液压振动桩锤沉桩动力学及调频调矩控制研究", 《学位论文集》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7305823B2 (en) | Active impedance matching systems and methods for wave energy converter | |
CN201288722Y (en) | Energy recovery system of mixed power mechanical actuator | |
CN101408212A (en) | Energy recovery system of hybrid power engineering machinery actuating element | |
CN1223078C (en) | Motor controller having vector control function | |
EP2675701B1 (en) | Active heave compensation system and method | |
CN104947670B (en) | Lifting and clamping mechanism of hydraulic pile planting machine and pile planting method | |
CN200972840Y (en) | Operation mechanism for linear electric machine of high voltage breaker | |
CN113236615A (en) | Hydraulic vibration hammer starting control system and implementation method thereof | |
CN100506591C (en) | Battery operated industrial truck | |
KR101684144B1 (en) | High efficiency wave energy converter using continuously variable transmission and control method thereof | |
CN201587763U (en) | Numerically-controlled frequency-variable speed-adjustable system of mine hoist | |
CN110593751A (en) | Man-machine interactive control system of percussion drill | |
CN101487301A (en) | Large-stroke variable-quality active quality damping vibration attenuation apparatus | |
CN105128662A (en) | Hydraulic bridge crane generator energy-saving power generation system | |
CN1806384A (en) | Method and damping device for damping a torsional vibration in a rotating drivetrain | |
CN114857206B (en) | Active control vibration reduction system and method based on electro-hydraulic compound cylinder | |
CN112031806A (en) | Design method for vibration reduction of TBM support shell | |
CN103967449A (en) | Operational control system and corresponding control method of hydraulic pumping unit | |
CN115818490A (en) | Semi-active heave compensation device for ROV release and recovery | |
CN216041144U (en) | Tensioning device of pile driver | |
CN103663208A (en) | Dynamic compaction machine and anti-back-tipping device and anti-back-tipping system thereof | |
CN108287516A (en) | A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method | |
KR20150088600A (en) | Power consumption reduction apparatus for resource mining machine | |
GB2538548A (en) | Power take-off system for a wave energy device | |
CN202482914U (en) | Hydraulic control excitation equipment for excavator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
|
RJ01 | Rejection of invention patent application after publication |