CN204057727U - For the data acquisition unit of limiter of moment - Google Patents
For the data acquisition unit of limiter of moment Download PDFInfo
- Publication number
- CN204057727U CN204057727U CN201420525881.4U CN201420525881U CN204057727U CN 204057727 U CN204057727 U CN 204057727U CN 201420525881 U CN201420525881 U CN 201420525881U CN 204057727 U CN204057727 U CN 204057727U
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- hoisting device
- main frame
- oil pressure
- limiter
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Abstract
For the data acquisition unit of limiter of moment, relate to hoisting crane technical field of engineering machinery.The utility model is in order to meet the monitoring of parameters in tank recovery vehicle hoisting device thus avoid engine breakdown occurring or occurring personal injury.Two oil pressure sensors are respectively used to epicoele oil pressure and the cavity of resorption oil pressure of measuring hoisting device, and linear transducer is for measuring the hoisting device operationally length that stretches of arm; The angle that angular transducer swings for the arm measuring hoisting device.Oil pressure sensor, linear transducer and angular transducer by the Signal transmissions that collects to main frame, and by host record and display parameters, thus be convenient to staff understands hoisting device in real time mode of operation according to the signal that each sensor collects, avoid hoisting device to break down.The utility model is also applicable to the armored vehicle with hoisting device.
Description
Technical field
The utility model relates to hoisting crane technical field of engineering machinery.
Background technology
Hoisting device hoisting moment is in the course of the work constantly change, and the specified hoisting moment that it can bear is a definite value, and work range is larger, and the weight that hoisting device can be sling is lighter.In order to ensure hoisting device trouble free service, its work area must ensure to be positioned at below specified hoisting moment curve.Work range is calculated according to hoisting device telescopic boom extended length and principal arm elevation meter, the biggest lifting capacity that hoisting device under work at present amplitude can bear is obtained by tabling look-up, i.e. rated load weight, the pressure sensor installed on a steel cord can obtain current actual hoisting capacity, is converted into actual hoisting moment by work range.The ratio of actual hoisting moment and specified hoisting moment is called moment percentum.Limiter of moment judges current operating state whether safety according to moment percentum.
Tank recovery vehicle hoisting device has very important application in the battlefield maintenance of armored vehicle.The safety guard of tank recovery vehicle hoisting device is also very important protection facility in this field, and it is for warning and avoid engine breakdown or personal injury.Tank recovery vehicle hoisting device can produce all types of parameters in the course of the work, such as length of boom, boom angle, highly, work range, rated load and actual load etc., if these parameters can not be monitored in time, then can cause engine breakdown or occur personal injury.Therefore, meet the Real-Time Monitoring to the parameters in tank recovery vehicle hoisting device, be very important.
Utility model content
The utility model, in order to meet the monitoring of parameters in tank recovery vehicle hoisting device thus avoid engine breakdown occurring or occurring personal injury, proposes the data acquisition unit for limiter of moment.
For the data acquisition unit of limiter of moment, it comprises model is HC2900-M type main frame, and it also comprises two oil pressure sensors, linear transducer, angular transducer and connection boxes;
The fuel injection pressure signal mouth of two oil pressure sensors connects the fuel injection pressure signal input end of main frame respectively by the fuel injection pressure signal input line of connection box;
The length signals mouth of linear transducer connects the length signals input end of main frame by the length signals input line of connection box;
The angle signal mouth of angular transducer connects the angle signal input end of main frame by the angle signal input line of connection box.
The model of oil pressure sensor is DAVS300 type oil pressure sensor.The model of linear transducer is LG106 type linear transducer.The model of angular transducer is WGC090/1401 type angular transducer.The model of connection box is JXH-M type connection box.
This device is by means of multi-signal sensor, the various operation of Real-Time Monitoring hoisting crane also provides Crane Load condition parameter, as length of boom, boom angle, work range (arm center of gyration is to the horizontal direction distance at weight center), rated load and actual load (rated load is fixing), actual load is after being measured by pressure sensor, and main frame conversion draws.Along with the change of hoisting crane hoisting operation, parameter also changes thereupon.The utility model is also applicable to other armored vehicles with hoisting device.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the data acquisition unit for limiter of moment;
Fig. 2 is circuit interconnect pattern of the present utility model.
Detailed description of the invention
Detailed description of the invention one, reference Fig. 1 illustrate present embodiment, the data acquisition unit for limiter of moment described in present embodiment, it comprises model is HC2900-M type main frame 1, and it also comprises two oil pressure sensors 2, linear transducer 3, angular transducer 4 and connection box 5;
The fuel injection pressure signal mouth of two oil pressure sensors 2 connects the fuel injection pressure signal input end of main frame 1 respectively by the fuel injection pressure signal input line of connection box 5;
The length signals mouth of linear transducer 3 connects the length signals input end of main frame 1 by the length signals input line of connection box 5;
The angle signal mouth of angular transducer 4 connects the angle signal input end of main frame 1 by the angle signal input line of connection box 5.
Two oil pressure sensors 2 are respectively used to epicoele oil pressure and the cavity of resorption oil pressure of measuring hoisting device, and linear transducer 3 is for measuring the hoisting device operationally length that stretches of arm; The angle that angular transducer 4 swings for the arm measuring hoisting device.Oil pressure sensor 2, linear transducer 3 and angular transducer 4 by the Signal transmissions that collects to main frame 1, and recorded by main frame 1 and show parameters, thus be convenient to staff understands hoisting device in real time mode of operation according to the signal that each sensor collects, avoid hoisting device to break down.
HC2900-M type main frame is installed near crew department east side operation person, can provide in car, car external monitor and control.Main frame is responsible for storing hoisting crane preset parameter as endurance curves, boom weight, center of gravity and other parameters of structural dimension etc. and dangerous working condition record, also be responsible for showing the testing result of multi-signal sensor, main frame also comprises alarm portion, when the parameter value that each sensor detects is above standard parameter, main frame can send alerting signal.Main frame has self-checking function.Failure code and information can be shown in time to the fault of limiter of moment, and export restraint signal.After start, whether the mode of operation that main frame detects each sensor is automatically normal, if normally, then and alarm free display, if mal, then display alarm signal and failure code.
This device designs by Host Based basis, is that the principle contrasted according to rated moment value and actual moment values controls, and according to the pressure that pressure sensor is measured, and the rated value in the actual value drawn and memory device compares.When close to the limit, main frame will send overload warning signal.When weight rise be raised to maximum height time, will hold up weight, main frame then sends pulleying alerting signal.Meanwhile, when going beyond the limit of certain limit, hoisting crane electric system and hydraulic efficiency pressure system coordinate cuts off those risky operation that can damage hoisting crane automatically as lifting, semi-girder, downwards luffing etc., although this part content has Software for Design, belongs to prior art.And dangerous working condition when automatically can also record operation, for accident analysis process provides foundation.
Main frame is also with CAN communication function, and configuration CAN communication interface, the overload signal of real-time Transmission boom angle numerical value, moment percentum, length of boom and hoisting device and pulleying signal etc., to realize anti-overload, overwinding-proof, anti-hyperextension action control.
Detailed description of the invention two, this detailed description of the invention are further illustrating the data acquisition unit for limiter of moment described in detailed description of the invention one, and in present embodiment, the model of oil pressure sensor 2 is DAVS300 type oil pressure sensor.
DAVS300/3401 type oil pressure sensor is arranged on amplitude oil cylinder rodless cavity and rod chamber, carrys out conversion weight by the observed reading of pressure sensor.
Detailed description of the invention three, this detailed description of the invention are further illustrating the data acquisition unit for limiter of moment described in detailed description of the invention one, and in present embodiment, the model of linear transducer 3 is LG106 type linear transducer.
LG106 type linear transducer is installed on hoisting crane base arm end, utilizes it to survey long cable to measure crane suspension arm length.Adjustment linear transducer, until the brachium value of telltale display conforms to arm actual length.
Detailed description of the invention four, this detailed description of the invention are further illustrating the data acquisition unit for limiter of moment described in detailed description of the invention one, and in present embodiment, the model of angular transducer 4 is WGC090/1401 type angular transducer.
WGC090/1401 type angular transducer is installed on hoisting crane base arm front end, measurement of angle is carried out to crane arm, adjustment angular transducer, the housing by angular transducer place make minor rotation until telltale instruction angle value or range value conform to actual measured value.
Detailed description of the invention five, this detailed description of the invention are further illustrating the data acquisition unit for limiter of moment described in detailed description of the invention one, and in present embodiment, the model of connection box 5 is JXH-M type connection box.
The hoisting crane preset parameter that this device utilizes host memory to store up as endurance curves, boom weight, center of gravity and other scantling of structure etc. and measure parameter to convert moment so that operator is to the monitor and forecast of crane job situation.Meanwhile, this device needs to carry out parameters revision after mounting, can use after displayed value is conformed to actual value.Limiter of moment of the present utility model at Che Nei or the outer Real-Time Monitoring of car and can control crane job situation, and make it operate within the scope of the design parameters of hoisting crane permission, prevention dangerous play occurs.
Detailed description of the invention six, present embodiment are the physical circuit mode of connection of this device, and with reference to Fig. 2, the model of lifting height limiter 6 is A2B-Z type heavy hammer type lifting height limiter; The mode of connection is as follows:
Fuel injection pressure signal comprises epicoele fuel injection pressure signal and cavity of resorption fuel injection pressure signal, represents in Fig. 2 with epicoele and cavity of resorption.
The power end of the power end of DAVS300 type oil pressure sensor 2, the power end of LG106 type linear transducer 3, WGC090/1401 type angular transducer 4 connects the power end of HC2900-M type main frame 1;
The fuel injection pressure signal mouth of DAVS300 type oil pressure sensor 2 connects the fuel injection pressure signal input end of HC2900-M type main frame 1; The length signals mouth of LG106 type linear transducer 3 connects the length signals input end of HC2900-M type main frame 1; The angle signal mouth of WGC090/1401 type angular transducer 4 connects the angle signal input end of HC2900-M type main frame 1; The lifting altitude signal output part of A2B-Z type heavy hammer type lifting height limiter connects the lifting altitude signal input part of HC2900-M type main frame 1;
Ground terminal and the ground terminal of A2B-Z type heavy hammer type lifting height limiter of the ground terminal of DAVS300 type oil pressure sensor 2, the ground terminal of LG106 type linear transducer 3, WGC090/1401 type angular transducer 4 are connected the ground terminal of HC2900-M type main frame 1 simultaneously;
The high limit mouth of HC2900-M type main frame 1 connects the pulleying input end of actuating unit; The off-load mouth of HC2900-M type main frame 1 connects the off-load input end of execution architecture; The simulation GND of HC2900-M type main frame 1 holds the GND end connecting actuating unit; The power end of HC2900-M type main frame 1 connects the power end of actuating unit; The CAN_L end of HC2900-M type main frame 1 connects the CAN_L end of actuating unit; The CAN_N end of HC2900-M type main frame 1 connects the CAN_N end of actuating unit; The shielding line end of HC2900-M type main frame 1 connects the GND end of actuating unit and the GND end of HC2900-M type main frame 1 simultaneously.
A2B-Z type heavy hammer type lifting height limiter is fixed on arm termination, for providing constraints to the elevator height of hoisting crane.The altitude signal of A2B-Z type heavy hammer type lifting height limiter connects main frame, is to make main frame issue out alerting signal at mistake volume state, stoping hoisting mechanism hoisting depth.
CAN_N end and CAN_L end are CAN coupling ends, for realizing the data transmission between main frame and actuating unit.Shielding wire plays shielding action, can not by the electromagnetic interference of outside when its ground connection.Main frame exports high limited signal and off-load signal to actuating unit, and actuating unit performs corresponding action.The effect of actuating unit: when the scope that the operation of hoisting crane allows beyond it, main frame gives the alarm and reminds operator, but can not rupturing operation.Now, actuating unit controls related circuit after receiving the output alarm of main frame automatically, cuts off the loop of those risky operation, avoids accident to occur.
Claims (5)
1. for the data acquisition unit of limiter of moment, it comprises model is HC2900-M type main frame (1), it is characterized in that, it also comprises two oil pressure sensors (2), linear transducer (3), angular transducer (4) and connection box (5);
The fuel injection pressure signal mouth of two oil pressure sensors (2) connects the fuel injection pressure signal input end of main frame (1) respectively by the fuel injection pressure signal input line of connection box (5);
The length signals mouth of linear transducer (3) connects the length signals input end of main frame (1) by the length signals input line of connection box (5);
The angle signal mouth of angular transducer (4) connects the angle signal input end of main frame (1) by the angle signal input line of connection box (5).
2. the data acquisition unit for limiter of moment according to claim 1, is characterized in that, the model of oil pressure sensor (2) is DAVS300 type oil pressure sensor.
3. the data acquisition unit for limiter of moment according to claim 1, is characterized in that, the model of linear transducer (3) is LG106 type linear transducer.
4. the data acquisition unit for limiter of moment according to claim 1, is characterized in that, the model of angular transducer (4) is WGC090/1401 type angular transducer.
5. the data acquisition unit for limiter of moment according to claim 1, is characterized in that, the model of connection box (5) is JXH-M type connection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525881.4U CN204057727U (en) | 2014-09-12 | 2014-09-12 | For the data acquisition unit of limiter of moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525881.4U CN204057727U (en) | 2014-09-12 | 2014-09-12 | For the data acquisition unit of limiter of moment |
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| Publication Number | Publication Date |
|---|---|
| CN204057727U true CN204057727U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420525881.4U Expired - Fee Related CN204057727U (en) | 2014-09-12 | 2014-09-12 | For the data acquisition unit of limiter of moment |
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| CN (1) | CN204057727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697679A (en) * | 2021-07-26 | 2021-11-26 | 中联重科股份有限公司 | Fault double-layer redundancy monitoring method, early warning method and system |
-
2014
- 2014-09-12 CN CN201420525881.4U patent/CN204057727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697679A (en) * | 2021-07-26 | 2021-11-26 | 中联重科股份有限公司 | Fault double-layer redundancy monitoring method, early warning method and system |
| WO2023005917A1 (en) * | 2021-07-26 | 2023-02-02 | 中联重科股份有限公司 | Fault double-layer redundancy monitoring method, and fault double-layer redundancy early-warning method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180912 |