CN102424037A - Engineering machinery and operation control method of support leg thereof - Google Patents
Engineering machinery and operation control method of support leg thereof Download PDFInfo
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- CN102424037A CN102424037A CN2011103580217A CN201110358021A CN102424037A CN 102424037 A CN102424037 A CN 102424037A CN 2011103580217 A CN2011103580217 A CN 2011103580217A CN 201110358021 A CN201110358021 A CN 201110358021A CN 102424037 A CN102424037 A CN 102424037A
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Abstract
The invention discloses engineering machinery and an operation control method of a support leg thereof. The engineering machinery comprises a horizontal support leg, a vertical support leg and a support leg length detection device, wherein the horizontal support leg comprises a fixed support leg and at least one movable support leg; a measurement start point is arranged at one end away from the vertical support leg, of the fixed support leg; a measurement end point is arranged at one end close to the vertical leg, of the movable support leg; the support leg length detection device detects the distance between the measurement end point and the measurement start point in real time, and determines a continuous extension amplitude of the horizontal support leg according to the distance; the engineering machinery also comprises a control unit; and the control unit selects a corresponding operation condition for the engineering machinery according to the extension amplitude of the horizontal support leg, or controls the extension amplitude of the support leg according to the pre-set operation condition of the engineering machinery. Through the engineering machinery and the operation control method of the support leg disclosed by the invention, the operation amplitude of getting on a vehicle can be effectively played, and the working efficiency is improved.
Description
Technical field
The present invention is about a kind of construction machinery and equipment, and particularly about the job control method of a kind of construction machinery and equipment and supporting leg thereof.
Background technology
Car hosit, aerial platform, concrete pump truck etc. are the construction machinery and equipments with mobile platform.Along with the international development of the flourish and China Construction Machinery of Chinese national economy, this type of construction machinery and equipment demand is very huge.Many portable construction machinery and equipments all are equipped with hydraulic ram; The chassis of construction machinery and equipment mainly contains four hydraulic rams; Each hydraulic ram comprises horizontal support legs and vertical leg; Wherein vertical leg is positioned at an end of horizontal support legs and contacts with ground, and horizontal support legs can stretch, and the stretch amplitude of horizontal support legs has been confirmed the amplitude that supporting leg launches.When getting on the bus operation, must guarantee earlier that the supporting leg on chassis trails, and the amplitude that supporting leg launches has determined the operating radius and the operating mode of getting on the bus to select.In general, supporting leg launches big, and the operating radius of getting on the bus can increase, if the operation of getting on the bus exceeds the carrying scope of supporting leg, can cause accident, as overturning.Therefore the stretch amplitude of detection or controlling level supporting leg is very necessary before the operation.
Open day be that the U.S. Patent application that April 19, publication number in 2007 are 2007/0084813A1 discloses a kind of technology that detects hoisting crane supporting leg stretch amplitude.This technology is the ad-hoc location at movable supporting legs, and as 1/2,3/4 with stretch place's placement sensor entirely, these sensors are given control unit with signal, can be used to detect the position of this point.But this technology can not detect the flexible arbitrarily amplitude of supporting leg, and any telescopic location is controlled.
For the construction machinery and equipment that is equipped with hydraulic ram, the elongation of horizontal support legs often determined the to get on the bus amplitude of operation.Prior art with use, generally only establish supporting leg and partly stretch and stretch operating mode entirely, the flexible state that detects supporting leg is generally also only arranged travel switch or near switch, detect or the control supporting leg to certain any flexible, as: stretch entirely, 1/2,1/4 supporting leg amplitude.This technology that specific supporting leg elongation is detected and controls, but the operation operating mode scope of getting on the bus lost undoubtedly.In order to ensure safety, the selection of the operating mode of generally getting on the bus all can be in safe clearance.As: if supporting leg has only partly and stretches, stretches detection entirely, when supporting leg extends 3/4, get on the bus and also can only select supporting leg partly to stretch the operation operating mode.Like this, some available work amplitude has just sacrificed.As far as aerial platform, the stretching, extension control of the telescopic boom of getting on the bus and platform control are closely related with chassis supporting leg elongation, and prior art is difficult to meet the demands.
Summary of the invention
Technical matters to be solved by this invention provide a kind of can detect the supporting leg stretch amplitude construction machinery and equipment, can effectively bring into play the operation amplitude of getting on the bus, increase work efficiency.
The job control method of the supporting leg of above-mentioned construction machinery and equipment is provided in addition.
For reaching above-mentioned advantage, the present invention proposes a kind of construction machinery and equipment, comprises horizontal support legs, vertical leg, reaches the supporting leg device for detecting length, and said horizontal support legs comprises fixed supporting leg and at least one movable supporting legs; Said fixed supporting leg is provided with the measurement starting point away from an end of said vertical leg; Said movable supporting legs is provided with the measurement terminal point near an end of said vertical leg; Said supporting leg device for detecting length detects in real time from measuring terminal point to the distance of measuring starting point, and confirms the continuous stretch amplitude of horizontal support legs in view of the above; Said construction machinery and equipment also comprises control unit, and said control unit is that construction machinery and equipment is selected corresponding operation operating mode according to the stretch amplitude of horizontal support legs, perhaps according to the operation operating mode of predefined construction machinery and equipment, controls the stretch amplitude of supporting leg.
In one embodiment of this invention; Said supporting leg device for detecting length comprises spool and sensor; Volume has backguy, said spool to be fixed on measurement starting point place on the said spool, and an end of said backguy is fixed on the measurement destination county; Said sensor is installed on the spool, is used for the said backguy of real-time sensing from measuring terminal point to the length of pulling out of measuring starting point.
In one embodiment of this invention, said sensor is followed said spool and is rolled, and confirms the length that said backguy is pulled out according to revolution.
In one embodiment of this invention, said supporting leg device for detecting length also comprises track adjusting wheel, and said track adjusting wheel is located at said fixed supporting leg or/and the inboard of said movable supporting legs is said backguy guiding.
In one embodiment of this invention, said fixed supporting leg is provided with a said track adjusting wheel near said spool one end, or/and said movable supporting legs is provided with another said track adjusting wheel away from an end of vertical leg.
In one embodiment of this invention; Said supporting leg device for detecting length comprises apomecometer; The feedway of said apomecometer is fixed on measures the starting point place; The receiving device of said apomecometer is fixed on the measurement destination county, and said apomecometer sends real-time sensing from measuring terminal point to the distance of measuring starting point through the wireless signal between receiving device and the feedway.
In one embodiment of this invention, said apomecometer is laser rangefinder or infrared range-measurement system.
For reaching above-mentioned advantage, the present invention proposes a kind of job control method of construction machinery and equipment supporting leg, and said method comprises the steps:
Utilize said supporting leg device for detecting length to detect in real time from measuring terminal point, and confirm the continuous stretch amplitude of horizontal support legs in view of the above to the distance of measuring between the starting point; And
Utilize said control unit to select corresponding operation operating mode for construction machinery and equipment according to the stretch amplitude of horizontal support legs.
For reaching above-mentioned advantage, the present invention proposes the job control method of another kind of construction machinery and equipment supporting leg, and said method comprises the steps:
Operation operating mode according to the construction machinery and equipment that is provided with in advance draws the required stretch amplitude of horizontal support legs;
Utilize said supporting leg device for detecting length to detect in real time from measuring terminal point, and confirm the continuous stretch amplitude of horizontal support legs in view of the above to the distance of measuring between the starting point; And
Utilize the stretch amplitude of said control unit controlling level supporting leg to equal the required stretch amplitude of horizontal support legs.
The invention has the beneficial effects as follows; The job control method of construction machinery and equipment of the present invention and supporting leg amplitude can detect continuous supporting leg horizontal extension amount; Make getting on the bus of construction machinery and equipment can compare the supporting leg elongation and select corresponding operation operating mode; Actv. gets on the bus operation amplitude that almost each section supporting leg elongation is all corresponding, the operation amplitude of getting on the bus like this can more effectively be brought into play, and increases work efficiency; Perhaps, control the horizontal extension amount of supporting leg according to the operating mode of getting on the bus that is provided with; Can give full play to the transaction capabilities of getting on the bus like this, for operation safer guarantee is provided again.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification sheets, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the scheme drawing of part-structure of the construction machinery and equipment of preferred embodiment of the present invention.
Fig. 2 is the scheme drawing of part-structure of the construction machinery and equipment of another preferred embodiment of the present invention.
Fig. 3 is the diagram of circuit of a kind of job control method of construction machinery and equipment supporting leg of the present invention.
Fig. 4 is the diagram of circuit of the another kind of job control method of construction machinery and equipment supporting leg of the present invention.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To the specific embodiment, structure, characteristic and the effect thereof of the job control method of the construction machinery and equipment that proposes according to the present invention and supporting leg, specify as after.
Construction machinery and equipment of the present invention includes but not limited to construction machinery and equipments such as hoisting crane, aerial platform, concrete pump truck.Please with reference to Fig. 1, shown in be merely this project machinery part-structure relevant with the present invention, other structures are then because of haveing nothing to do with the present invention, in this omission.This project machinery comprises some supporting legs 1, and the flexible of supporting leg 1 promoted by oil cylinder (figure does not show).Each supporting leg 1 comprises horizontal support legs 100 and vertical leg 200, and wherein horizontal support legs 100 comprises fixed supporting leg 101 and some movable supporting legs 102,103.Fixed supporting leg 101 is captiveed joint with the vehicle frame (figure does not show) on chassis; Movable supporting legs 102,103 telescopicallies are connected on the fixed supporting leg 101; During practical implementation; Movable supporting legs 102 is can the relative fixed supporting leg 101 flexible and be housed in the fixed supporting leg 101, and movable supporting legs 103 movable supporting legs 102 relatively is flexible and be housed in the movable supporting legs 102, thereby makes horizontal support legs 100 formation multi-joint telescoping formula structures; Wherein movable supporting legs 102 is connected with fixed supporting leg 101, and movable supporting legs 103 is connected with vertical leg 100.Vertical leg 200 is positioned at the end of movable supporting legs 103 away from fixed supporting leg 101, is used to the ground of conflicting.
Fixed supporting leg 101 is provided with measurement starting point A away from an end of vertical leg 200; Movable supporting legs 103 is provided with measurement terminal point B near an end of vertical leg 200; The present invention adopts the supporting leg device for detecting length to detect in real time from measuring terminal point B to the distance of measuring between the starting point A, and confirms the continuous stretch amplitude of supporting leg in view of the above.
Particularly, in preferred embodiment of the present invention shown in Figure 1, the supporting leg device for detecting length comprises spool 10 and sensor (figure does not show), and volume has backguy 20, spool 10 to be fixed on measurement starting point A place on the spool 10; One end of backguy 20 is fixed on measures terminal point B place.In the present embodiment, movable supporting legs 103 is provided with locking part 40 near an end of vertical leg 200, and an end of backguy 20 is fixed on the locking part 40.Certainly, backguy 20 also can directly be fixed on the movable supporting legs 103 in-to-in elements, like element with holes.Sensor is installed on the spool 10; Follow spool 10 rotations; And the length that definite in real time backguy 20 is pulled out according to revolution; Thereby sensing backguy 20 in real time is from measuring terminal point B to the length of pulling out of measuring starting point A, and confirms the continuous stretch amplitude of horizontal support legs 100 in view of the above, and demarcating backguy 20 length during the full reduced state of horizontal support legs 100 is zero.For the better inner structure that adapts to fixed supporting leg 101 and movable supporting legs 102,103, track adjusting wheel 30 can be set in position.In the present embodiment, the end near spool 10 in fixed supporting leg 101 is provided with a track adjusting wheel 30, thereby the backguy 20 that spool 10 is come out is in the direction and the position of regulation; End near fixed supporting leg 101 in movable supporting legs 103 is provided with another track adjusting wheel 30, plays the effect of telescopic process synchronization steering.
Be appreciated that if backguy 20 is a level at the outlet direction of spool 10, and fixed supporting leg 101 there is cooresponding cavity with movable supporting legs 102,103 on this direction, then track adjusting wheel 30 can be installed.
In another preferred embodiment shown in Figure 2; The supporting leg device for detecting length comprises apomecometer; The feedway 50 of apomecometer is fixed on measures starting point A place; The receiving device 60 of apomecometer is fixed on measures terminal point B place, and apomecometer sends real-time sensing from measuring terminal point B to the distance of measuring starting point A through the wireless signal between receiving device 60 and the feedway 50.Particularly, this apomecometer can be laser rangefinder or infrared range-measurement system.
Please with reference to Fig. 3, in a kind of job control method of the supporting leg of construction machinery and equipment of the present invention, comprise the steps: to be provided with away from an end of vertical leg 200 and measure starting point A at fixed supporting leg 101; Be provided with near an end of vertical leg 200 at movable supporting legs 103 and measure terminal point B; Utilize the supporting leg device for detecting length to detect in real time from measuring terminal point B, and confirm the continuous stretch amplitude of horizontal support legs 100 in view of the above to the distance of measuring between the starting point A; And utilize control unit to select to get on the bus accordingly the operation operating mode for construction machinery and equipment according to the stretch amplitude of supporting leg 1.Particularly; Supporting leg 1 drive movable supporting legs 102,103 stretches out simultaneously when oil cylinder stretches out; Sensor or the apomecometer of supporting leg 1 location status that is detected through spool 10 converts electric signal into and is transferred to the control unit on the construction machinery and equipment, and control unit is that construction machinery and equipment selects to get on the bus accordingly the operation operating mode according to the stretch amplitude of supporting leg 1.Wherein, the supporting leg device for detecting length can adopt above-mentioned spool 10 and sensor, perhaps adopts above-mentioned apomecometer.
Please with reference to Fig. 4, in the job control method of the another kind of construction machinery and equipment supporting leg of the supporting leg of construction machinery and equipment of the present invention, comprise the steps: operation operating mode according to the construction machinery and equipment that is provided with in advance, draw the required stretch amplitude of horizontal support legs 100; Be provided with away from an end of said vertical leg 200 at said fixed supporting leg 101 and measure starting point A; Be provided with near an end of said vertical leg 200 at said movable supporting legs 102,103 and measure terminal point B; Utilize said supporting leg device for detecting length to detect in real time from measuring terminal point B, and confirm the continuous stretch amplitude of horizontal support legs 100 in view of the above to the distance of measuring between the starting point A; And the stretch amplitude that utilizes said control unit controlling level supporting leg 100 equals the required stretch amplitude of horizontal support legs 100.Particularly; Supporting leg 1 drive movable supporting legs 102,103 stretches out simultaneously when oil cylinder stretches out; Sensor or the apomecometer of supporting leg 1 location status that is detected through spool 10 converts electric signal into and is transferred to the control unit on the engineering mechanical device, and the stretch amplitude of control unit controlling level supporting leg 100 equals the required stretch amplitude of horizontal support legs 100.Wherein, the supporting leg device for detecting length can adopt above-mentioned spool 10 and sensor, perhaps adopts above-mentioned apomecometer.
Like this, actv. gets on the bus operation amplitude that almost each section supporting leg 1 elongation is all corresponding can be given full play to the transaction capabilities of getting on the bus, and for operation safer guarantee is provided again.
The present invention can realize on the prior art basis fully; Equipment to multi-stage expansion support leg devices such as high-altitude operation platform and hoister in large tonnage all can use; And production is installed, maintenance and repair is simple and convenient; Most importantly given full play to the operation operating mode of getting on the bus, guaranteed safety to have good application prospects simultaneously.
The result of this supporting leg length detection can also give read-out and show, so that the operator monitors the flexible state of supporting leg.
The above only is embodiments of the invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (9)
1. a construction machinery and equipment comprises horizontal support legs, vertical leg, reaches the supporting leg device for detecting length, and said horizontal support legs comprises fixed supporting leg and at least one movable supporting legs; It is characterized in that: said fixed supporting leg is provided with the measurement starting point away from an end of said vertical leg; Said movable supporting legs is provided with the measurement terminal point near an end of said vertical leg; Said supporting leg device for detecting length detects in real time from measuring terminal point to the distance of measuring starting point, and confirms the continuous stretch amplitude of horizontal support legs in view of the above; Said construction machinery and equipment also comprises control unit, and said control unit is that construction machinery and equipment is selected corresponding operation operating mode according to the stretch amplitude of horizontal support legs, perhaps according to the operation operating mode of predefined construction machinery and equipment, controls the stretch amplitude of supporting leg.
2. construction machinery and equipment as claimed in claim 1; It is characterized in that: said supporting leg device for detecting length comprises spool and sensor; Volume has backguy, said spool to be fixed on measurement starting point place on the said spool, and an end of said backguy is fixed on the measurement destination county; Said sensor is installed on the spool, is used for the said backguy of real-time sensing from measuring terminal point to the length of pulling out of measuring starting point.
3. construction machinery and equipment as claimed in claim 2 is characterized in that: said sensor is followed said spool and is rolled, and confirms the length that said backguy is pulled out according to revolution.
4. construction machinery and equipment as claimed in claim 2 is characterized in that: said supporting leg device for detecting length also comprises track adjusting wheel, and said track adjusting wheel is located at said fixed supporting leg or/and the inboard of said movable supporting legs is said backguy guiding.
5. construction machinery and equipment as claimed in claim 4 is characterized in that: said fixed supporting leg is provided with a said track adjusting wheel near said spool one end, or/and said movable supporting legs is provided with another said track adjusting wheel away from an end of vertical leg.
6. construction machinery and equipment as claimed in claim 1; It is characterized in that: said supporting leg device for detecting length comprises apomecometer; The feedway of said apomecometer is fixed on measures the starting point place; The receiving device of said apomecometer is fixed on the measurement destination county, and said apomecometer sends real-time sensing from measuring terminal point to the distance of measuring starting point through the wireless signal between receiving device and the feedway.
7. construction machinery and equipment as claimed in claim 6 is characterized in that: said apomecometer is laser rangefinder or infrared range-measurement system.
8. the job control method of a construction machinery and equipment supporting leg, said construction machinery and equipment is that said method comprises the steps: according to each described construction machinery and equipment of claim 1 to 7
Utilize said supporting leg device for detecting length to detect in real time from measuring terminal point, and confirm the continuous stretch amplitude of horizontal support legs in view of the above to the distance of measuring between the starting point; And
Utilize said control unit to select corresponding operation operating mode for construction machinery and equipment according to the stretch amplitude of horizontal support legs.
9. the job control method of a construction machinery and equipment supporting leg, said construction machinery and equipment is that said method comprises the steps: according to each described construction machinery and equipment of claim 1 to 7
Operation operating mode according to the construction machinery and equipment that is provided with in advance draws the required stretch amplitude of horizontal support legs;
Utilize said supporting leg device for detecting length to detect in real time from measuring terminal point, and confirm the continuous stretch amplitude of horizontal support legs in view of the above to the distance of measuring between the starting point; And
Utilize the stretch amplitude of said control unit controlling level supporting leg to equal the required stretch amplitude of horizontal support legs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103580217A CN102424037A (en) | 2011-11-11 | 2011-11-11 | Engineering machinery and operation control method of support leg thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103580217A CN102424037A (en) | 2011-11-11 | 2011-11-11 | Engineering machinery and operation control method of support leg thereof |
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| CN102424037A true CN102424037A (en) | 2012-04-25 |
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| CN2011103580217A Pending CN102424037A (en) | 2011-11-11 | 2011-11-11 | Engineering machinery and operation control method of support leg thereof |
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| CN102785638A (en) * | 2012-08-20 | 2012-11-21 | 三一重工股份有限公司 | Engineering machinery |
| CN110526119A (en) * | 2019-07-30 | 2019-12-03 | 中联重科股份有限公司 | Crane support extension elongation measuring device and method and crane |
| CN110529464A (en) * | 2019-07-29 | 2019-12-03 | 中联重科股份有限公司 | Telescopic outrigger attitude detecting method and system and engineering equipment |
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| CN110526119A (en) * | 2019-07-30 | 2019-12-03 | 中联重科股份有限公司 | Crane support extension elongation measuring device and method and crane |
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Application publication date: 20120425 |