CN210626975U - Wireless distributed synchronous jacking system - Google Patents
Wireless distributed synchronous jacking system Download PDFInfo
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- CN210626975U CN210626975U CN201921563971.1U CN201921563971U CN210626975U CN 210626975 U CN210626975 U CN 210626975U CN 201921563971 U CN201921563971 U CN 201921563971U CN 210626975 U CN210626975 U CN 210626975U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a synchronous fluid pressure actuating mechanism field of two or more servo motor specifically is a wireless distributed synchronous jacking system. The utility model provides a wireless distributed synchronous jacking system, includes hydro-cylinder (1) and distributed pump station (2), the quantity of hydro-cylinder (1) and distributed pump station (2) is equal and be no less than three, characterized by: the system also comprises a master control computer (3), wherein each oil cylinder (1) is connected with a distributed pump station (2) through an oil pipeline; the distributed pump station (2) comprises a direct current motor (21), a motor driver (22), an oil pressure sensor (23), a wireless communication module (24), a hydraulic module (25), an embedded controller (26) and a power supply (27). The utility model discloses simplify equipment, strong adaptability, safe and reliable.
Description
Technical Field
The utility model relates to a synchronous fluid pressure actuating mechanism field of two or more servo motor specifically is a wireless distributed synchronous jacking system.
Background
The synchronous jacking system is widely applied to the engineering construction fields of building maintenance, bridge support replacement and the like. Various jacking devices in the current market are usually centralized, namely all hydraulic cylinders are powered by a unified centralized large-scale pump station, and correspond to a set of automatic control system, a proportional overflow valve is adopted to control the flow of hydraulic oil, and the control system controls a motor and a valve in the centralized pump station to finally realize synchronous control of the hydraulic cylinders.
Such a centralized control system has several problems: 1. pipelines such as oil pipes, cables and the like are numerous and are easy to be accidentally damaged on a construction site; 2. the volume and the weight of a single device are large, and large hoisting equipment is often needed in the transportation and arrangement process; 3. the expandability and the universality of the system are poor, the channel waste is easily caused when the number of the synchronous points is changed, and the system does not have the complete single-point independent control capability; 4. need connect the power electricity, need be equipped with the generator during field construction, increase construction cost and the degree of difficulty.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, provide a simplified equipment, strong adaptability, safe and reliable's hydraulic equipment, the utility model discloses a synchronous jacking system of wireless distributing type.
The utility model discloses a following technical scheme reaches the invention purpose:
the utility model provides a wireless distributed synchronous jacking system, includes hydro-cylinder and distributed pump station, the quantity of hydro-cylinder and distributed pump station equals and is no less than three characterized by: also comprises a main control computer which is connected with the main control computer,
each oil cylinder is connected with a distributed pump station through an oil pipeline, and a piston rod of each oil cylinder is provided with a displacement sensor;
the distributed pump station comprises a direct current motor, a motor driver, an oil pressure sensor, a wireless communication module, a hydraulic module, an embedded controller and a power supply, wherein the hydraulic module comprises a valve, a pump head, an oil tank, a nozzle tip and the oil pressure sensor;
the distributed pump station is in wireless connection with the master control computer through the wireless communication module.
The wireless distributed synchronous jacking system is characterized in that:
a stay cord displacement sensor is selected as a displacement sensor on the piston rod of the oil cylinder;
the wireless communication module selects an LoRa wireless communication protocol;
in the hydraulic module: the oil tank is connected with the oil inlet end of the pump head through an oil pipe connected with a valve in series, the oil delivery end of the pump head is connected with the oil cylinder, the valve is provided with an oil pressure sensor and an oil nozzle, and an output shaft of the direct current motor is connected with the pump head;
the power supply is internally provided with an electric quantity management module;
and an operator performs read-write operation on the embedded controller through a human-computer interaction interface.
The using method of the wireless distributed synchronous jacking system is characterized in that: the method is implemented in sequence according to the following steps:
① arranging oil cylinders according to construction requirements, placing distributed pump stations nearby, communicating an oil pipeline, mounting a displacement sensor on a piston rod of the oil cylinder, arranging an oil pressure sensor on a valve of a hydraulic module, and measuring the stroke of the oil cylinder through the displacement sensor or measuring the stroke of a jacking point position of the oil cylinder according to field conditions;
②, turning on a power button of each distributed pump station, and starting a self-checking process on a master control computer to ensure that the oil pressure, displacement and battery power data of each distributed pump station are normal;
③ building a jacking project in the main control computer, inputting displacement stage control targets of each jacking point (stage control tables can be imported as procedure control of jacking construction);
④ clicking a start button on a master control computer, the master control computer driving each oil cylinder to start the first-stage jacking control through a distributed pump station to jack the component, the master control computer clearing all displacement data at this time, and sending the displacement control value and speed of each oil cylinder jacking point to the distributed pump station correspondingly connected with the oil cylinder through calculation, after receiving a control target instruction, the distributed pump station implementing local control on the correspondingly connected oil cylinder according to the control target instruction through an embedded controller;
⑤ when the current stage is finished, the master control computer prompts the user, and after the user clicks to start the next stage, the master control computer starts the next stage control;
⑥ repeating the steps until all the lifting and lowering procedures are finished according to the preset control target;
⑦ in the process of jacking, if any one of the distributed pump stations generates displacement or oil pressure data alarm, the master control computer suspends all the distributed pump stations, similarly, if any one of the distributed pump stations does not complete the control target of the current stage, the master control computer can not start the next stage of jacking control, and in all abnormal conditions, the system will prompt the user to intervene manually, and after the abnormal conditions are eliminated, the subsequent operation can be carried out.
The utility model discloses a synchronous jacking system of wireless distributing type adopts miniaturized single channel low pressure DC pump station (but battery powered) to through wireless communication techniques such as loRa, realize on-the-spot wireless ad hoc network control. And each single-point pump station is independently controlled by a field master control computer. The system can greatly improve the convenience, reliability and applicability of the site. Specifically, the technical features of the present invention are as follows:
1. a fully distributed (each jacking point can be independently controlled) wireless control architecture;
2. the design of a low-voltage direct current motor is adopted, the battery is used for supplying power (the default configuration battery can be used for one day, and an external large-capacity battery can be arranged or 220V commercial power can be connected for a long-term project), and large-scale power electric generating equipment is not needed
3. The jacking rate and the displacement value are accurately controlled by adopting a PID control mode for adjusting the rotating speed of the motor; compared with the control by adopting a proportional overflow valve, the control method can greatly reduce the loss of functions and hydraulic parts
4. And (3) target hierarchical synchronous control: the distributed pump stations are synchronously controlled by the system host, any pump station gives an alarm or does not finish the control of the current stage, the system cannot enter the control of the next stage, and a prompt is given
5. The utility model discloses be not limited to synchronous jacking construction, to synchronous pushing, promote etc. synchronous construction also can be suitable for.
The utility model discloses following beneficial effect has:
1. convenience: the arrangement construction work of field equipment, pipelines, power supplies and the like is greatly simplified, the construction cost is reduced, and the efficiency is improved
2. High elasticity: jacking point positions can be temporarily increased or decreased according to jacking requirements or field conditions
3. High reliability: compared with a centralized scheme, the method has no risk of large-area failure of jacking points
4. High real-time performance: the distributed pump station has high-speed local control and alarm functions, and the main control computer only sends the target value and does not participate in control.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a system block diagram of a distributed pumping station according to the present invention;
fig. 3 is a schematic structural diagram of the distributed pump station of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A wireless distributed synchronous jacking system comprises an oil cylinder 1, a distributed pump station 2 and a master control computer 3, and is specifically structured as shown in figures 1-3:
the number of the oil cylinders 1 and the number of the distributed pump stations 2 are equal and are not less than three, each oil cylinder 1 is connected with one distributed pump station 2 through an oil pipeline, and a piston rod of each oil cylinder 1 is provided with a displacement sensor;
the distributed pumping station 2 is shown in fig. 2 and 3: the distributed pump station 2 comprises a direct current motor 21, a motor driver 22, an oil pressure sensor 23, a wireless communication module 24, a hydraulic module 25, an embedded controller 26 and a power supply 27, wherein the hydraulic module 25 comprises a valve 251, a pump head 252, an oil tank 253 and an oil nozzle 254, the motor driver 22 is connected with the direct current motor 21 through a signal line, the motor driver 22, the oil pressure sensor 23, the wireless communication module 24 and the hydraulic module 25 are all connected with the embedded controller 26 through signal lines, the power supply 27 is respectively connected with the direct current motor 21, the motor driver 22, the oil pressure sensor 23, the wireless communication module 24, the hydraulic module 25 and the embedded controller 26 through wires, and an output shaft of the direct current motor 21 is connected with the pump head 252 of the hydraulic module 25;
the distributed pump station 2 is wirelessly connected with the master control computer 3 through a wireless communication module 24.
In this embodiment:
a displacement sensor on a piston rod of the oil cylinder 1 is a pull rope displacement sensor;
the wireless communication module 24 selects an LoRa wireless communication protocol;
the hydraulic module 25 is shown in fig. 3: in the hydraulic module 25: the oil tank 253 is connected with the oil inlet end of the pump head 252 through an oil pipe connected with a valve 251 in series, the oil delivery end of the pump head 252 is connected with the oil cylinder 1, the valve 251 is provided with an oil pressure sensor 23 and an oil nozzle 254, and the output shaft of the direct current motor 21 is connected with the pump head 252;
the power supply 27 is internally provided with an electric quantity management module;
an operator performs read and write operations on the embedded controller 26 through the human machine interface 28.
When the method is used, the steps are implemented in sequence as follows:
①, arranging the oil cylinder 1 according to the construction requirement, placing the distributed pump station 2 nearby, communicating the oil pipeline, installing a displacement sensor on the piston rod of the oil cylinder 1, arranging an oil pressure sensor 23 on the valve 251 of the hydraulic module 25, and measuring the stroke of the oil cylinder 1 through the displacement sensor or measuring the stroke of the jacking point position of the oil cylinder 1 according to the field condition;
②, turning on a power button of each distributed pump station 2, starting a self-checking process on the master control computer 3, and ensuring that the oil pressure, displacement and battery power data of each distributed pump station 2 are normal;
③ a jacking project is built in the main control computer 3, and the displacement grading control target of each jacking point is input (grading control table can be imported as the process control of jacking construction);
④ clicking a start button on the main control computer 3, the main control computer 3 driving each oil cylinder 1 to start the first-stage jacking control through the distributed pump station 2 to jack the component 4, the main control computer 3 clearing all displacement data at this time, and sending the displacement control value and speed of each oil cylinder 1 jacking point to the distributed pump station 2 correspondingly connected with the oil cylinder 1 through calculation, after the distributed pump station 2 receives a control target instruction, the embedded controller 26 performing local control on the correspondingly connected oil cylinder 1 according to the control target instruction;
⑤ when the current stage is finished, the main control computer 3 prompts the user, and after the user clicks to start the next stage, the main control computer 3 starts the next stage control;
⑥ repeating the steps until all the lifting and lowering procedures are finished according to the preset control target;
⑦ in the jacking process, if any one of the distributed pump stations 2 generates displacement or oil pressure data alarm, the master control computer 3 suspends all the distributed pump stations 2, similarly, if any one of the distributed pump stations 2 does not complete the control target of the current stage, the master control computer 3 can not start the next stage of jacking control, and in all abnormal conditions, the system will prompt the user to intervene manually, and after the abnormal conditions are eliminated, the subsequent operation can be carried out.
Claims (2)
1. The utility model provides a wireless distributed synchronous jacking system, includes hydro-cylinder (1) and distributed pump station (2), the quantity of hydro-cylinder (1) and distributed pump station (2) is equal and be no less than three, characterized by: also comprises a main control computer (3),
each oil cylinder (1) is connected with a distributed pump station (2) through an oil pipeline, and a piston rod of each oil cylinder (1) is provided with a displacement sensor;
the distributed pump station (2) comprises a direct current motor (21), a motor driver (22), an oil pressure sensor (23), a wireless communication module (24), a hydraulic module (25), an embedded controller (26) and a power supply (27), the hydraulic module (25) comprises a valve (251), a pump head (252), an oil tank (253) and an oil nozzle (254), a motor driver (22) is connected with the direct current motor (21) through a signal line, the motor driver (22), the oil pressure sensor (23), the wireless communication module (24) and the hydraulic module (25) are connected with the embedded controller (26) through signal lines, a power supply (27) is respectively connected with the direct current motor (21), the motor driver (22), the oil pressure sensor (23), the wireless communication module (24), the hydraulic module (25) and the embedded controller (26) through wires, and an output shaft of the direct current motor (21) is connected with the pump head (252) of the hydraulic module (25);
the distributed pump station (2) is wirelessly connected with the master control computer (3) through a wireless communication module (24).
2. The wireless distributed synchronous jacking system of claim 1, wherein:
a displacement sensor on a piston rod of the oil cylinder (1) adopts a pull rope displacement sensor;
the wireless communication module (24) selects an LoRa wireless communication protocol;
in the hydraulic module (25): the oil tank (253) is connected with the oil inlet end of the pump head (252) through an oil pipe connected with the valve (251) in series, the oil delivery end of the pump head (252) is connected with the oil cylinder (1), the valve (251) is provided with an oil pressure sensor (23) and an oil nozzle (254), and the output shaft of the direct current motor (21) is connected with the pump head (252);
the power supply (27) is internally provided with an electric quantity management module;
an operator carries out read-write operation on the embedded controller (26) through the man-machine interaction interface (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921563971.1U CN210626975U (en) | 2019-09-20 | 2019-09-20 | Wireless distributed synchronous jacking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921563971.1U CN210626975U (en) | 2019-09-20 | 2019-09-20 | Wireless distributed synchronous jacking system |
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| Publication Number | Publication Date |
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| CN210626975U true CN210626975U (en) | 2020-05-26 |
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| CN201921563971.1U Active CN210626975U (en) | 2019-09-20 | 2019-09-20 | Wireless distributed synchronous jacking system |
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| CN (1) | CN210626975U (en) |
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- 2019-09-20 CN CN201921563971.1U patent/CN210626975U/en active Active
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