CN202575739U - Crane and operating speed automatic adjusting device thereof - Google Patents
Crane and operating speed automatic adjusting device thereof Download PDFInfo
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- CN202575739U CN202575739U CN 201220215786 CN201220215786U CN202575739U CN 202575739 U CN202575739 U CN 202575739U CN 201220215786 CN201220215786 CN 201220215786 CN 201220215786 U CN201220215786 U CN 201220215786U CN 202575739 U CN202575739 U CN 202575739U
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Abstract
The utility model relates to the field of cranes and discloses a crane and an operating speed automatic adjusting device thereof. The crane operating speed automatic adjusting device comprises a first acquisition module, a second acquisition module and a processing module, wherein the first acquisition module is in signal connection with the processing module to acquire needed first output power of a engine to achieve first preset operating speed, the second acquisition module is in signal connection with the processing module to acquire second output power of the engine in practical work, and the processing module used to be connected with the engine figures out needed first accelerator signals which enable the engine to be matched with the first output power according to output characteristic curves of the engine and adjusts the second output power of the engine according to the first accelerator signals. The crane and the operating speed automatic adjusting device thereof have the advantages of being simple in structure, convenient to control automatically and low in cost.
Description
Technical field
The utility model relates to the hoisting crane field, particularly relates to a kind of hoisting crane and work speed self-checking device thereof.
Background technology
In hoisting crane work process; The speed of work is an important index; A proper work speed can reduce work-hours, can reduce energy consumption again, all is to regulate its work speed through step on the accelerator during present stage hoisting crane (particularly fix-displacement pump) work.
Therefore, how regulate the work speed of hoisting crane through the throttle signal of intellectuality control hoisting crane, the work speed that makes hoisting crane is the technical barrier that those skilled in the art need to be resolved hurrily according to predetermined work speed action.
The utility model content
In view of this, the utility model is intended to propose a kind of hoisting crane and work speed self-checking device thereof, and work speed can not be according to the problem of predetermined work speed action in the hoisting crane work process in the prior art to solve.
On the one hand; The utility model provides a kind of hoisting crane work speed self-checking device; Said hoisting crane work speed self-checking device comprises: first obtains module, is connected with the processing module signal, is used to obtain to reach required driving engine first horsepower output under predetermined first work speed; Second obtains module, is connected with the processing module signal, is used to obtain second horsepower output under the said driving engine real work situation; Processing module is used to connect driving engine, and the output characteristic curve through driving engine calculates needed first throttle signal of said first horsepower output of said Engine Matching of sening as an envoy to, and according to said second horsepower output of said first throttle signal adjustment driving engine.
Further, the said first acquisition module comprises:
First acquisition module is used to gather hoisting crane lifted weight quality;
First computing module is connected with the said first acquisition module signal, and according to the quality of said lifted weight, and predetermined actions and first work speed calculate first horsepower output.
Further, the said second acquisition module comprises:
Second acquisition module is used to gather the moment of torsion and the rotating speed of driving engine;
Second computing module is connected with the said second acquisition module signal, according to the moment of torsion of driving engine and second horsepower output of the said driving engine of revolution speed calculating.
Further, said processing module comprises:
The 3rd calculates module, is used to calculate second horsepower output that makes said driving engine and matees needed first throttle signal of said first horsepower output;
The 3rd acquisition module is used to gather second throttle signal of Das Gaspedal real work;
First comparison module is connected with said the 3rd acquisition module signal with said the 3rd calculating module, relatively the size of first throttle signal and second throttle signal;
First adjusting module is connected with the said first comparison module signal, and being used at said second throttle signal is under the non-zero signal situation, with said first comparison module relatively back signal value big throttle signal send to driving engine.
Further, described first acquisition module is circumscribed with:
Be used to the pressure sensor that is installed to hoist cylinder and tests the oil cylinder pressure;
Be used to be installed on the crane arm support and test the angular transducer of jib angle;
Be used to be installed on the crane arm support and detect the linear transducer of hoisting crane brachium; Wherein
Described first acquisition module obtains said hoisting crane lifted weight quality according to the signal that said pressure sensor, said angular transducer and said linear transducer detect.
Further, described the 3rd acquisition module is circumscribed with and is arranged on the accelerator pedal sensor that is used to detect the Das Gaspedal real work on the Das Gaspedal.
Further, said hoisting crane work speed self-checking device comprises also and said processing module bonded assembly accurate adjustment module that said accurate adjustment module comprises:
The speed detection module, second work speed when being used to detect the hoisting crane real work;
Second comparison module links to each other with said speed detection module signal, is used for relatively more predetermined first work speed and described second work speed;
Second adjusting module links to each other with the said second comparison module signal, according to the comparative result of said second comparison module driving engine is sent the accurate adjustment throttle signal.
On the other hand, the utility model also provides a kind of hoisting crane, and described hoisting crane is equipped with above-mentioned hoisting crane work speed self-checking device.
A kind of hoisting crane work speed self-checking device that the utility model provides; Said hoisting crane work speed self-checking device comprises: first obtains module; Be connected with the processing module signal, be used to obtain to reach required driving engine first horsepower output under predetermined first work speed; Second obtains module, is connected with the processing module signal, is used to obtain second horsepower output of the real work of driving engine; Processing module; Link to each other with driving engine; Second horsepower output that output characteristic curve through driving engine calculates the said driving engine of sening as an envoy to matees needed first throttle signal of said first horsepower output, and according to second horsepower output of said first throttle signal adjustment driving engine.The utility model obtains the operating mode that module obtains hoisting crane through first; And the condition calculating through hoisting crane goes out driving engine and reaches required first horsepower output under the predetermined speed; And, reach the first required throttle signal of first horsepower output through the processing module calculation engine at last, and regulate second horsepower output through throttle signal through actual second horsepower output of the second acquisition module acquisition driving engine; Simple in structure; Automatic guidance is convenient, and entire equipment can be integrated in the limiter of moment saving cost.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment;
Fig. 2 is the structured flowchart of the incidental accurate adjustment module of the utility model embodiment;
Fig. 3 is the workflow diagram of the utility model specific embodiment;
Fig. 4 is the accurate adjustment process workflow journey figure of the utility model specific embodiment.
The specific embodiment
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.Should be pointed out that description and description order to concrete structure in this part only are the explanations to specific embodiment, should not be regarded as that the protection domain of the utility model is had any restriction.
Please refer to Fig. 1; A kind of hoisting crane work speed self-checking device; Hoisting crane work speed self-checking device comprises: first obtains module, is connected with the processing module signal, is used to obtain to reach required driving engine first horsepower output under predetermined first work speed; Second obtains module, is connected with the processing module signal, is used to obtain second horsepower output of the real work of driving engine; Processing module; Be used to connect the control setup of driving engine; Output characteristic curve through driving engine calculates needed first throttle signal of said first horsepower output of said Engine Matching of sening as an envoy to, and adjusts second horsepower output of driving engine according to said first throttle signal.
The utility model can use existing limiter of moment to gather information needed.Also relevant acquisition unit module can be set separately, as long as can draw the first required horsepower output of hoisting crane through the operating mode that obtains hoisting crane; Second acquisition module also can be provided with relevant acquisition unit module separately, obtains second horsepower output through the operating mode that obtains driving engine; And the control unit of processing module in also can shared limiter of moment is used for regulating the throttle signal that starts according to the signal that obtains, and realizes the automatically regulating to the hoisting crane work speed.
The utility model obtains the operating mode that module obtains hoisting crane through first; And the condition calculating through hoisting crane goes out driving engine and reaches required first horsepower output under the predetermined speed; And, reach the first required throttle signal of first horsepower output through processing module elder generation calculation engine at last through actual second horsepower output of the second acquisition module acquisition driving engine, regulate second horsepower output through throttle signal; Simple in structure; Automatic guidance is convenient, and entire equipment can be integrated in the limiter of moment saving cost.
Preferably, as shown in Figure 1, first obtains module comprises: first acquisition module is used to gather hoisting crane lifted weight quality; First computing module is connected with the first acquisition module signal, and according to the quality of said lifted weight, and predetermined actions and first work speed calculate first horsepower output.
Wherein, first acquisition module can be for being integrated into the acquisition module of the collection lifted weight quality in the existing limiter of moment, the module that is used to gather the weight quality that also can be provided with separately; And first computing module can be for being integrated on the control unit in the limiter of moment, also can be the control unit that is provided with separately, is used for calculating the power of hoisting crane action according to the quality of weight and the operating path of weight.
Because first acquisition module and first computing module be realization easily in existing hoisting crane, and can be integrated in the existing limiter of moment, so easy to use, simple in structure, cost is low.
Preferably, as shown in Figure 1, second obtains module comprises: second acquisition module is used to gather the moment of torsion and the rotating speed of driving engine; Second computing module is connected with the second acquisition module signal, according to the moment of torsion of driving engine and second horsepower output of the said driving engine of revolution speed calculating; Wherein, the moment of torsion of driving engine and rotating speed can draw from the driving engine bus, so second acquisition module can be through connecting moment of torsion and the rotary speed information that the driving engine bus obtains driving engine.
Preferably, as shown in Figure 1, processing module comprises: the 3rd calculates module, is used to calculate second horsepower output that makes said driving engine and matees needed first throttle signal of said first horsepower output; The 3rd acquisition module is used to gather second throttle signal of Das Gaspedal real work; First comparison module is connected with the 3rd acquisition module signal, relatively the size of first throttle signal and second throttle signal; First adjusting module is connected with the first comparison module signal, be used for first comparison module relatively back signal value big throttle signal send to driving engine.
Wherein, the 3rd acquisition module is through gathering the throttle signal of Das Gaspedal; And through first comparison module size of first throttle signal and second throttle signal relatively, the throttle signal through first adjusting module adjustment driving engine at last, wherein in the adjustment process, the signal of not exporting during accelerator pedal is as the criterion with second throttle signal; When stepping on the throttle pedal; If second throttle signal of Das Gaspedal output is littler than the first throttle signal value that calculates; Then,, then export to driving engine with the original second throttle signal value of Das Gaspedal if second throttle signal of Das Gaspedal output is big with the output of the first throttle signal value.Wherein Das Gaspedal is measured the throttle signal of Das Gaspedal through Hall element, and spreads out of through himself signal wire (SW), so the 3rd acquisition module can connect the throttle signal that the signal wire (SW) of Das Gaspedal is gathered Das Gaspedal.
In addition, hoisting crane work speed self-checking device comprises also and processing module bonded assembly accurate adjustment module that as shown in Figure 2, it comprises: speed detection module, second work speed when being used to detect the hoisting crane real work; Second comparison module links to each other with speed detection module signal, is used for relatively more predetermined first work speed and described second work speed; Second adjusting module links to each other with the second comparison module signal, according to the comparative result of said second comparison module driving engine is sent the accurate adjustment throttle signal.
Preferably, as shown in Figure 1, first acquisition module is circumscribed with: be used to the pressure sensor that is installed to hoist cylinder and tests the oil cylinder pressure; Be used to be installed on the crane arm support and test the angular transducer of jib angle; Be used to be installed on the crane arm support and detect the linear transducer of hoisting crane brachium; The signal that wherein said first acquisition module detects said pressure sensor, said angular transducer and said linear transducer draws the quality of hoisting crane lifted weight; And signal sent to said first processing module, said first processing module calculates first horsepower output according to the signal that receives and predetermined actions and first work speed.
According to the actual condition of hoisting crane and hoisting crane the action that will carry out calculate and reach needed first horsepower output of predetermined work speed, can measure the horsepower output of driving engine exactly.
Preferably, the 3rd acquisition module is circumscribed with and is arranged on the accelerator pedal sensor that is used to detect the Das Gaspedal real work on the Das Gaspedal.The preferred Hall element of accelerator pedal sensor is measured the throttle signal of Das Gaspedal with Hall element, and spreads out of through himself signal wire (SW), so the 3rd acquisition module can connect the throttle signal that the signal wire (SW) of Das Gaspedal is gathered Das Gaspedal.
The workflow diagram of the utility model specific embodiment is as shown in Figure 3,
S1: beginning;
S2: hoisting crane work;
S3: first acquisition module begins to gather the operating mode of hoisting crane, and obtains the quality of hoisting crane lifted weight;
S4: second acquisition module begins to gather the moment of torsion and the rotating speed of crane engine;
S5: first computing module calculates first horsepower output according to the data of the first acquisition module collection and hoisting crane predetermined actions and first work speed.
S6: second computing module, the moment of torsion of the driving engine of gathering according to second acquisition module and second horsepower output of the said driving engine of revolution speed calculating;
S7: the 3rd calculates module, calculates to make second horsepower output of said driving engine mate needed first throttle signal of said first horsepower output;
S8: the 3rd acquisition module is used to gather second throttle signal of Das Gaspedal real work;
S9: whether the value of judging second throttle signal is zero, judges promptly whether Das Gaspedal is operated, and the value of second throttle signal is not zero when stepping down, and second throttle signal is a nonzero value when stepping down; If zero, then send second throttle signal and give driving engine, and finish.
S10: if the second throttle signal value is non-vanishing, whether the value of then judging first throttle signal is greater than the value of second throttle signal;
S11: under the situation of value greater than the value of second throttle signal of first throttle signal, send first throttle signal and give driving engine;
S12: be not more than in value under the situation of value of second throttle signal, send second throttle signal and give driving engine at first throttle signal;
S13: driving engine is regulated second horsepower output of driving engine according to the throttle signal that receives;
S14: finish.
Wherein also have the workflow of the accurate adjustment of accurate adjustment module, as shown in Figure 4,
S1: beginning;
S2: after above-mentioned hoisting crane work speed adjustment finishes;
S3: the speed detection module detects reality second work speed of hoisting crane;
S4: first work speed of predetermined hoisting crane;
S5: judge that whether first work speed is greater than second work speed.
S6: under the situation of first work speed, send the signal of heightening engine throttle and give driving engine greater than second work speed;
S7: be not more than at first work speed under the situation of second work speed, send the signal of turning down engine throttle and give driving engine;
S8: driving engine is regulated second horsepower output of driving engine according to the fine setting throttle signal that receives;
S9: finish.
The accurate adjustment process of engine operation speed is the accurate adjustment process of after engine operation speed automatically regulating, carrying out.
The utility model embodiment also provides a kind of hoisting crane, and hoisting crane is installed above-mentioned hoisting crane work speed self-checking device.Because above-mentioned hoisting crane work speed self-checking device has above-mentioned technique effect; Therefore; The hoisting crane that is provided with this hoisting crane work speed self-checking device also should possess the corresponding techniques effect, and its practical implementation process is similar to the above embodiments, does not give unnecessary details now.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a hoisting crane work speed self-checking device is characterized in that, said hoisting crane work speed self-checking device comprises:
First obtains module, is connected with the processing module signal, is used to obtain to reach required driving engine first horsepower output under predetermined first work speed;
Second obtains module, is connected with the processing module signal, is used to obtain second horsepower output under the said driving engine real work situation;
Processing module is used to connect driving engine, and the output characteristic curve through driving engine calculates needed first throttle signal of said first horsepower output of said Engine Matching of sening as an envoy to, and according to said second horsepower output of said first throttle signal adjustment driving engine.
2. hoisting crane work speed self-checking device as claimed in claim 1 is characterized in that, said first obtains module comprises:
First acquisition module is used to gather hoisting crane lifted weight quality;
First computing module is connected with the said first acquisition module signal, and according to the quality of said lifted weight, and predetermined actions and first work speed calculate first horsepower output.
3. hoisting crane work speed self-checking device as claimed in claim 1 is characterized in that, said second obtains module comprises:
Second acquisition module is used to gather the moment of torsion and the rotating speed of driving engine;
Second computing module is connected with the said second acquisition module signal, according to the moment of torsion of driving engine and second horsepower output of the said driving engine of revolution speed calculating.
4. hoisting crane work speed self-checking device as claimed in claim 1 is characterized in that said processing module comprises:
The 3rd calculates module, is used to calculate second horsepower output that makes said driving engine and matees needed first throttle signal of said first horsepower output;
The 3rd acquisition module is used to gather second throttle signal of Das Gaspedal real work;
First comparison module is connected with said the 3rd acquisition module signal with said the 3rd calculating module, relatively the size of first throttle signal and second throttle signal;
First adjusting module is connected with the said first comparison module signal, and being used at said second throttle signal is under the non-zero signal situation, with said first comparison module relatively back signal value big throttle signal send to driving engine.
5. hoisting crane work speed self-checking device as claimed in claim 2 is characterized in that, described first acquisition module is circumscribed with:
Be used to the pressure sensor that is installed to hoist cylinder and tests the oil cylinder pressure;
Be used to be installed on the crane arm support and test the angular transducer of jib angle;
Be used to be installed on the crane arm support and detect the linear transducer of hoisting crane brachium; Wherein
Described first acquisition module obtains said hoisting crane lifted weight quality according to the signal that said pressure sensor, said angular transducer and said linear transducer detect.
6. hoisting crane work speed self-checking device as claimed in claim 4 is characterized in that, described the 3rd acquisition module is circumscribed with and is arranged on the accelerator pedal sensor that is used to detect the Das Gaspedal real work on the Das Gaspedal.
7. like each described hoisting crane work speed self-checking device of claim 1-6, it is characterized in that said hoisting crane work speed self-checking device comprises also and said processing module bonded assembly accurate adjustment module that said accurate adjustment module comprises:
The speed detection module, second work speed when being used to detect the hoisting crane real work;
Second comparison module links to each other with said speed detection module signal, is used for relatively more predetermined first work speed and described second work speed;
Second adjusting module links to each other with the said second comparison module signal, according to the comparative result of said second comparison module driving engine is sent the accurate adjustment throttle signal.
8. a hoisting crane is characterized in that, described hoisting crane is equipped with each described hoisting crane work speed self-checking device like claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215786 CN202575739U (en) | 2012-05-15 | 2012-05-15 | Crane and operating speed automatic adjusting device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215786 CN202575739U (en) | 2012-05-15 | 2012-05-15 | Crane and operating speed automatic adjusting device thereof |
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| CN 201220215786 Expired - Fee Related CN202575739U (en) | 2012-05-15 | 2012-05-15 | Crane and operating speed automatic adjusting device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266957A (en) * | 2013-05-30 | 2013-08-28 | 华菱星马汽车（集团）股份有限公司 | Back accelerator electric control method and system |
| CN107324216A (en) * | 2017-07-24 | 2017-11-07 | 三汽车起重机械有限公司 | Intelligent speed changing control method, apparatus and system |
| CN110146720A (en) * | 2019-05-06 | 2019-08-20 | 广东省特种设备检测研究院珠海检测院 | A kind of velocity measuring device and measurement method of crane |
-
2012
- 2012-05-15 CN CN 201220215786 patent/CN202575739U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266957A (en) * | 2013-05-30 | 2013-08-28 | 华菱星马汽车（集团）股份有限公司 | Back accelerator electric control method and system |
| CN103266957B (en) * | 2013-05-30 | 2015-08-19 | 华菱星马汽车（集团）股份有限公司 | Throttle electric control method and system after a kind of |
| CN107324216A (en) * | 2017-07-24 | 2017-11-07 | 三汽车起重机械有限公司 | Intelligent speed changing control method, apparatus and system |
| CN110146720A (en) * | 2019-05-06 | 2019-08-20 | 广东省特种设备检测研究院珠海检测院 | A kind of velocity measuring device and measurement method of crane |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150515 |
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| EXPY | Termination of patent right or utility model |