CN206014266U - A kind of monitoring system of crane hydraulic pump - Google Patents
A kind of monitoring system of crane hydraulic pump Download PDFInfo
- Publication number
- CN206014266U CN206014266U CN201621016311.8U CN201621016311U CN206014266U CN 206014266 U CN206014266 U CN 206014266U CN 201621016311 U CN201621016311 U CN 201621016311U CN 206014266 U CN206014266 U CN 206014266U
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- China
- Prior art keywords
- hydraulic pump
- control
- pump
- plc
- monitoring system
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- 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.)
- Withdrawn - After Issue
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- Fluid-Pressure Circuits (AREA)
- Jib Cranes (AREA)
Abstract
This utility model provides a kind of monitoring system of crane hydraulic pump, and which includes：PLC, hydraulic pump control electronic component, human-computer interface control unit, proportioning valve, axial plunger hydraulic pump, valve position sensors, pump angular sensor and pressure transducer.Hydraulic pump control electronic component is connected with PLC by communication cable.PLC is connected with human-computer interface control unit.Proportioning valve, valve position sensors, pump angular sensor are connected with hydraulic pump control electronic component and hydraulic pump respectively with pressure transducer.The beneficial effects of the utility model are：The monitoring system that this utility model is provided, can independent control each hydraulic pump, the control accuracy to discharge capacity is high, the simple structure of system, compared with traditional valve control system, improve efficiency more than 50%, can the pressure of real-time monitoring hydraulic pump, the position of valve and hydraulic pump exactly the anglec of rotation.
Description
Technical field
This utility model is related to crane monitoring system field, relates more specifically to a kind of monitoring system of crane hydraulic pump
System.
Background technology
At present, in ocean engineering field, the folding-jib crane on ship is in marine construction and logistics supply
Indispensable special equipment.In the hydraulic system of crane, hydraulic pump is the power source of crane hydraulic system, and control is not
When the work that can make crane does not reach requirement, serious in the case of damage may crane to cause engineering accident, so
Rational regulation and control and monitoring in real time must be carried out to hydraulic pump.At this stage the hydraulic pump monitoring system complex structure of crane,
High cost, efficiency utilization rate are low, slower to the response of failure.
Utility model content
In order to overcome the problems referred to above, the purpose of this utility model is to provide a kind of improves rational crane hydraulic pump
Monitoring system, being mainly used in the discharge capacity to hydraulic pump carries out steady and accurate regulation and control, while the critical data state to pump is entered
Row monitoring, it is ensured that discovery failure that operator can be promptly and accurately is simultaneously keeped in repair.
This utility model is employed the following technical solutions：A kind of monitoring system of crane hydraulic pump, which includes：PLC is controlled
Device, hydraulic pump control electronic component, human-computer interface control unit, proportioning valve, axial plunger hydraulic pump, valve position sensors, pump
Angular sensor and pressure transducer,
Wherein hydraulic pump control electronic component is connected with PLC by communication cable, PLC and man-machine boundary
Face control unit is attached, proportioning valve, valve position sensors, pump angular sensor and pressure transducer respectively with hydraulic pressure
Pump control electronics are connected with axial plunger hydraulic pump,
PLC is programmed with control program, can complete the control to input/output signal, so as to axial plunger liquid
The discharge capacity of press pump and direction are controlled, and PLC can send the control command to axial plunger hydraulic pump to hydraulic pump
Control electronics, while the hydraulic pump status data detected in hydraulic pump control electronic component can be to liquid can be read out
Press pump status data is sent after being processed to man-machine interface control unit,
Human-computer interface control unit is used for the state and parameter for showing and controlling axial plunger hydraulic pump,
The order that proportioning valve reception hydraulic pump control electronics are sent carrys out commutation and the axial plunger of oil circuit control system
The discharge capacity of hydraulic pump,
Valve position sensors are used for the location status of stroke residing for detection ratio valve,
Pump angular sensor is used for the anglec of rotation for detecting axial plunger hydraulic pump,
Pressure transducer is used for obtaining the pressure value in oil circuit.
Further, proportioning valve of the proportioning valve for current control type, as a pilot valve in the oil circuit control of pump
Effect.
Further, axial plunger hydraulic pump is variable-displacement hydraulic pump.
Further, monitoring system has used two pressure transducers, defines the Stress control of a closed loop, to correct
The pressure divergence of system.
Further, crane hydraulic pump is extra large work folding-jib crane hydraulic pump.
The beneficial effects of the utility model are：A kind of monitoring system of extra large work folding-jib crane hydraulic pump is used for controlling
Active force pump on heavy-duty machine, in control aspect, can independent control each hydraulic pump, the control accuracy to discharge capacity is high, the knot of system
Structure is simple, compared with traditional valve control system, improves efficiency more than 50%.In terms of monitoring, can real-time monitoring hydraulic pressure exactly
The anglec of rotation of the pressure of pump, the position of valve and hydraulic pump, it is achieved that the event is likely to occur by the hydraulic pump of folding-jib crane
The detection and diagnosis of barrier problem, prevents operator because of the error of operation and engineering accident occurs.The application reality of monitoring system
Automatization and the intellectuality of crane are showed, have improve work efficiency, ensured personal safety, meet Production requirement.
Description of the drawings
Fig. 1 is the structural representation of the monitoring system according to extra large work folding-jib crane hydraulic pump of the present utility model.
Specific embodiment
In order to be better understood from this utility model, come to the technical solution of the utility model with reference to embodiment and accompanying drawing
It is described further.
With reference to Fig. 1, a kind of monitoring system of extra large work folding-jib crane hydraulic pump mainly includes that PLC is (programmable
Logic controller), hydraulic pump control electronic component, human-computer interface control unit, proportioning valve, axial plunger hydraulic pump, valve position
Sensor, pump angular sensor and pressure transducer.
Hydraulic pump control electronic component is connected with PLC by communication cable, PLC and man machine interface control
Unit processed is attached, proportioning valve, valve position sensors, pump angular sensor and pressure transducer respectively with hydraulic pump control
Electronic component processed is connected with axial plunger hydraulic pump.
PLC is the core of crane electrical control, can complete the control to input/output signal.In PLC controls
It is programmed with control program in device, operator can be controlled to the discharge capacity of hydraulic pump and direction in drivers' cab.
Hydraulic pump control electronic component is a hydraulic pump control module.PLC can send the control to hydraulic pump
System order controls hydraulic pump to hydraulic pump control electronic component, while can read out in hydraulic pump control electronic component detecting
Hydraulic pump status data.
Proportioning valve of the proportioning valve for current control type, as guide's valve action in the oil circuit control of pump.Ratio
The order that valve reception hydraulic pump control electronics are sent carrys out commutation and the discharge capacity of hydraulic pump of oil circuit control system.
Axial plunger hydraulic pump is a variable-displacement hydraulic pump, is the main power source in crane hydraulic system.
Valve position sensors are used for the location status of stroke residing for detection ratio valve.
Pump angular sensor is used for the anglec of rotation for detecting hydraulic pump.
Pressure transducer is used for obtaining the pressure value in oil circuit.Two pressure transducers used in monitoring system, shape
Into the Stress control of a closed loop, the pressure divergence of system can be corrected.
Human-computer interface control unit is electrically connected with PLC, and PLC is constantly by hydraulic pump control electricity
The data detected in subcomponent are sent to human-computer interface control unit after being processed, so as to realize the axial plunger piston hydraulic
The state of pump and the monitor in real time of parameter.
The operating process of the monitoring system of above-mentioned extra large work folding-jib crane hydraulic pump is as follows：First, by with axial columns
(for example, the valve position sensors of piston hydraulic pump connection, pump angular sensor and pressure transducer detecting hydraulic pump state
Pressure value in the location status of stroke residing for proportioning valve, the anglec of rotation and oil circuit of hydraulic pump)；Subsequently by the hydraulic pressure for detecting
The data summarization of pump state is in hydraulic pump control electronic component；PLC reads in hydraulic pump control electronic component and detects
To hydraulic pump status data and hydraulic pump status data can be processed, be then sent to human-computer interface control list
Unit；Human-computer interface control unit and then the state and parameter of display axial plunger hydraulic pump, operator can directly pass through people
Machine interface control unit is being controlled to the discharge capacity of hydraulic pump and direction, or PLC can be according to the control for being stored
Program is automatically controlled to the discharge capacity of hydraulic pump and direction；PLC will can be sent to the control command of hydraulic pump
Hydraulic pump control electronic component, hydraulic pump control electronic component send commands to proportioning valve come oil circuit control system commutation and
The discharge capacity of hydraulic pump.
Above embodiment is merely to illustrate the technical solution of the utility model but is not limited, art
Personnel should modify with reference to concrete scheme of the present utility model or equivalent is carried out to some technical characteristics,
Above-mentioned change or the replacement of equivalent should belong in the technical scheme scope that this utility model is claimed.
Claims (5)
1. a kind of monitoring system of crane hydraulic pump, it is characterised in that include：PLC, hydraulic pump control electronics unit
Part, human-computer interface control unit, proportioning valve, axial plunger hydraulic pump, valve position sensors, pump angular sensor and pressure
Force transducer,
Wherein described hydraulic pump control electronic component is connected with the PLC by communication cable, the PLC
It is attached with the human-computer interface control unit, the proportioning valve, the valve position sensors, pump anglec of rotation sensing
Device is connected with the hydraulic pump control electronic component and the axial plunger hydraulic pump respectively with the pressure transducer,
The PLC is programmed with control program, can complete the control to input/output signal, so as to the axial columns
The discharge capacity of piston hydraulic pump and direction are controlled, and the PLC can send the control to the axial plunger hydraulic pump
Order to the hydraulic pump control electronic component, while the hydraulic pressure detected in the hydraulic pump control electronic component can be read out
Pump status data simultaneously can be sent after processing to the hydraulic pump status data to the human-computer interface control unit,
The human-computer interface control unit is used for the state and parameter for showing and controlling the axial plunger hydraulic pump,
The proportioning valve receives the order that the hydraulic pump control electronic component sends and carrys out the commutation of oil circuit control system and described
The discharge capacity of axial plunger hydraulic pump,
The valve position sensors are used for the location status for detecting stroke residing for the proportioning valve,
The pump angular sensor is used for the anglec of rotation for detecting the axial plunger hydraulic pump,
The pressure transducer is used for obtaining the pressure value in oil circuit.
2. the monitoring system of crane hydraulic pump according to claim 1, it is characterised in that wherein described proportioning valve is electricity
Flow control type proportioning valve.
3. the monitoring system of crane hydraulic pump according to claim 1, it is characterised in that wherein described axial plunger liquid
Press pump is variable-displacement hydraulic pump.
4. the monitoring system of crane hydraulic pump according to claim 1, it is characterised in that wherein described monitoring system makes
With two pressure transducers, the Stress control of a closed loop is defined, to correct the pressure divergence of system.
5. the monitoring system of crane hydraulic pump according to claim 1, it is characterised in that the crane hydraulic pump is
Extra large work folding-jib crane hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016311.8U CN206014266U (en) | 2016-08-31 | 2016-08-31 | A kind of monitoring system of crane hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016311.8U CN206014266U (en) | 2016-08-31 | 2016-08-31 | A kind of monitoring system of crane hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206014266U true CN206014266U (en) | 2017-03-15 |
Family
ID=58255728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016311.8U Withdrawn - After Issue CN206014266U (en) | 2016-08-31 | 2016-08-31 | A kind of monitoring system of crane hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206014266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185630A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | A kind of monitoring system of crane hydraulic pump |
-
2016
- 2016-08-31 CN CN201621016311.8U patent/CN206014266U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185630A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | A kind of monitoring system of crane hydraulic pump |
| CN106185630B (en) * | 2016-08-31 | 2018-03-02 | 润邦卡哥特科工业有限公司 | A kind of monitoring system of crane hydraulic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20180302 |