CN102305605A - Method and device for measuring spreading angle of engineering mechanical spreading component - Google Patents
Method and device for measuring spreading angle of engineering mechanical spreading component Download PDFInfo
- Publication number
- CN102305605A CN102305605A CN201110233259A CN201110233259A CN102305605A CN 102305605 A CN102305605 A CN 102305605A CN 201110233259 A CN201110233259 A CN 201110233259A CN 201110233259 A CN201110233259 A CN 201110233259A CN 102305605 A CN102305605 A CN 102305605A
- Authority
- CN
- China
- Prior art keywords
- engineering machinery
- distance
- articulated section
- start point
- transceiver
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005259 measurement Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a method and a device for measuring the spread angle of an engineering mechanical spread component. According to the measuring device of the spreading angle of the engineering mechanical spreading component provided by the invention, the measuring device comprises a ranging sensor and a processor, wherein the ranging sensor is used for acquiring a third distance between a second pivoted part and a third pivoted part; and the processor is connected with the ranging sensor, and is used for calculating the engineering mechanical spreading angle according to a first distance, a second distance and the third distance. According to the measuring method of the spreading angle of the engineering mechanical spreading component provided by the invention, the measuring method comprises the following steps: acquiring the third distance between the second pivoted part and the third pivoted part through the ranging sensor; and calculating the engineering mechanical spreading angle according to the first distance, the second distance and the third distance. According to the invention, the service life of the sensor is prolonged, also the accuracy of measurement is improved, and the measuring process is simplified.
Description
Technical field
The present invention relates to engineering machinery field, more specifically, relate to a kind of measuring method and device of start point of engineering machinery unfolded part.
Background technology
The start point of pump truck generally comprises pump truck supporting leg start point and pumping vehicle arm rack start point, and the angle value that the pump truck supporting leg launches is the important parameter that calculates the pump truck stability of strutting system, and the pumping vehicle arm rack start point is the important parameter of reflection jib state.At present the measuring method to the start point of pump truck is relatively deficienter, and shows the problem that difficult installation, measuring accuracy and unfailing performance are difficult to guarantee.
As shown in Figure 1; Start point with existing pump truck supporting leg is measured as example; Rotation axis 10 ' at the pump truck supporting leg locates to install mechanical type angular transducer 20 '; The angle that angular transducer 20 ' induction rotation axis 10 ' turns over; And be converted into voltage or communication signal, and be transferred to control module through transmission lines 30 '.Yet when the size out of true of the junction of rotation axis 10 ', the measurement result of above-mentioned measurement mechanism can produce bigger error, and therefore, above-mentioned measurement mechanism is higher for the installation requirement of the junction of rotation axis.In addition, the sensor in the above-mentioned measurement mechanism is taked the induction mode (as counting sensing element with current potential) of contact, and the sensor ratio is easier to damage.
Summary of the invention
The object of the invention is to solve the problems referred to above that exist in the prior art, provide a kind of install simple, debugging is convenient, precision is higher, the measuring method and the device of the start point of the engineering machinery unfolded part of stable performance.
According to an aspect of the present invention; A kind of measuring method of start point of engineering machinery unfolded part is provided; The engineering machinery unfolded part is pivotably connected on the engineering machinery car body through first articulated section; First end that launches oil cylinder is connected on the engineering machinery car body through second articulated section; Second end that launches oil cylinder is connected on the engineering machinery unfolded part through the 3rd articulated section; First; Second; The 3rd articulated section is configured to triangular structure; Has first distance between first articulated section and second articulated section; Have second distance between first articulated section and the 3rd articulated section, measuring method may further comprise the steps: obtain the 3rd distance between second articulated section and the 3rd articulated section through distance measuring sensor; The processor that is connected with distance measuring sensor is according to first distance, second distance and the 3rd distance calculation engineering machinery start point.
Further, launch oil cylinder and comprise cylinder block and cylinder putter, distance measuring sensor comprises: transceiver, transceiver are arranged on the cylinder block; Reverberator, reverberator are arranged on the external part of cylinder putter; The measuring method of the start point of engineering machinery unfolded part may further comprise the steps: transceiver emission light beam, and transceiver is arranged on the cylinder block that launches oil cylinder; Reverberator reflects the transceiver emitted light beams to transceiver, and reverberator is arranged on can be along the external part of the flexible cylinder putter of cylinder block; Transceiver will be launched light beam and receive between the light beam interlude and convert signal into and export to processor, and processor calculates the 3rd distance according to the extended length of calculated signals cylinder putter, and through the 3rd distance calculation engineering machinery start point α.
Further, the method for processor calculating start point is following: the rotation axis with first articulated section is the A point; The elongation end of cylinder putter is connected with second connecting portion on being fixed on the engineering machinery unfolded part through the 3rd articulated section rotationally, and the axle center of the 3rd articulated section rotation axis is the B point; First end of cylinder block through second articulated section rotationally be fixed on work machine body on first connecting portion be connected, the axle center of the second articulated section rotation axis is the C point; Angle when not launching with the engineering machinery unfolded part between AC and the AB is α
0, the distance between the transmitting terminal of C point and transceiver is L
1, the distance between the reflection end of reverberator and the B point is L
2, the distance between the reflection end of transceiver and reverberator is L; The computing formula of engineering machinery start point α is:
Further, the measuring method of the start point of engineering machinery unfolded part perhaps is a method of measuring engineering machinery jib start point for the method for measuring engineering machinery supporting leg start point.
According to another aspect of the present invention; A kind of measurement mechanism of start point of engineering machinery unfolded part is provided; The engineering machinery unfolded part is pivotably connected on the engineering machinery car body through first articulated section; First end that launches oil cylinder is connected on the engineering machinery car body through second articulated section; Second end that launches oil cylinder is connected on the engineering machinery unfolded part through the 3rd articulated section; First; Second; The 3rd articulated section is configured to triangular structure; Has first distance between first articulated section and second articulated section; Has second distance between first articulated section and the 3rd articulated section; It is characterized in that; Measurement mechanism comprises: distance measuring sensor is used to obtain the 3rd distance between second articulated section and the 3rd articulated section; Processor is connected with distance measuring sensor, according to first distance, second distance and the 3rd distance calculation engineering machinery start point.
Further, launch oil cylinder and comprise cylinder block and cylinder putter, distance measuring sensor comprises: transceiver, transceiver are arranged on the cylinder block; Reverberator, reverberator are arranged on the external part of cylinder putter; Wherein, transceiver is used to launch light beam, and reverberator is used for the transceiver emitted light beams is reflected to transceiver, and transceiver also is used to transmit the signal of reflection cylinder putter elongation.
Further, transceiver is used for the laser sensor to the reflector laser beam.
Further, reverberator is the laser-bounce body.
Further, an end of cylinder block is fixed on the engineering machinery, and the external part of cylinder putter is connected with the engineering machinery supporting leg is rotating.
Further, first end of cylinder block is fixed on the engineering machinery, and first end of cylinder putter is connected with the engineering machinery jib is rotating.
Adopt the measuring method and the device of the start point of engineering machinery unfolded part of the present invention; Adopt contactless distance measuring sensor measurement by second articulated section of the variable decision of cylinder putter elongation and the 3rd distance between the 3rd articulated section, be the numerical evaluation engineering machinery start point of definite value according to the 3rd distance that distance measuring sensor obtains with remaining with preprocessor.Error or fault that the present invention has avoided mechanical sensor when contact is installed, to cause have prolonged sensor life-time and have improved measuring accuracy.In addition be the indirect calculation mode because the measurement of angle takes, measurement be the more easy distance measurements of intuitively obtaining numerical value, simplified measuring process.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of existing pump truck supporting leg start point measurement mechanism;
Fig. 2 is that the engineering machinery supporting leg according to the measurement mechanism of the start point of engineering machinery unfolded part of the present invention stretches out the structural representation under the state at cylinder putter;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is that the engineering machinery supporting leg according to the measurement mechanism of the start point of engineering machinery unfolded part of the present invention does not stretch out the partial structurtes synoptic diagram under the state at cylinder putter;
Fig. 5 is that the engineering machinery supporting leg according to the measurement mechanism of the start point of engineering machinery unfolded part of the present invention stretches out the angular relationship synoptic diagram under the state at cylinder putter; And
Fig. 6 is that the engineering machinery supporting leg according to the measurement mechanism of the start point of engineering machinery unfolded part of the present invention does not stretch out the angular relationship synoptic diagram under the state at cylinder putter.
Embodiment
Below with reference to the accompanying drawings and combine embodiment to describe the present invention in detail.
As shown in Figures 2 and 3; Measurement mechanism according to the start point of engineering machinery unfolded part of the present invention; Engineering machinery unfolded part 100 is pivotably connected on the engineering machinery car body through first articulated section 71; First end that launches oil cylinder is connected on the engineering machinery car body through second articulated section 51; Second end that launches oil cylinder is connected on the engineering machinery unfolded part 100 through the 3rd articulated section 61; First; Second; The 3rd articulated section is configured to triangular structure; Has first distance between first articulated section 71 and second articulated section 51; Has second distance between first articulated section 71 and the 3rd articulated section 61; Measurement mechanism comprises: distance measuring sensor is used to obtain the 3rd distance between second articulated section 51 and the 3rd articulated section 61; Processor is connected with distance measuring sensor, according to first distance, second distance and the 3rd distance calculation engineering machinery start point.
In the present embodiment, with the pump truck be example.Adopt contactless distance measuring sensor measurement by second articulated section 51 of the variable decision of cylinder putter elongation and the 3rd distance between the 3rd articulated section 61, be the numerical evaluation pump truck start point of definite value according to the 3rd distance that distance measuring sensor obtains with remaining with preprocessor.Error or fault that the present invention has avoided mechanical sensor when contact is installed, to cause have prolonged sensor life-time and have improved measuring accuracy.In addition be the indirect calculation mode because the measurement of angle takes, measurement be the more easy distance measurements of intuitively obtaining numerical value, simplified measuring process.
Preferably, launch oil cylinder and comprise cylinder block 10 and cylinder putter 30, distance measuring sensor comprises: transceiver 20, transceiver 20 are arranged on the cylinder block 10; Reverberator 40, reverberator 40 is arranged on the external part of cylinder putter 30; Wherein, transceiver 20 is used to launch light beam, and reverberator 40 is used for transceiver 20 emitted light beams are reflected to transceiver 20, and transceiver 20 also is used to transmit the signal of reflection cylinder putter 30 elongations.
Like Fig. 2, Fig. 3 and shown in Figure 4, in the present embodiment, be example with the pump truck.The measurement mechanism of the start point of pump truck unfolded part is used to measure the start point of pump truck supporting leg.One end of cylinder block 10 is fixed on the pump truck car body, and the external part of cylinder putter 30 is connected with the pump truck supporting leg is rotating.Transceiver 20 is installed at cylinder block 10 places at supporting leg, is used to launch light beam.Hot spot is incident upon on the reverberator 40, and the device 40 that is reflected is back to transceiver 20.According to transceiver 20 emission with accept time of light beam; Record the length of cylinder putter 30 elongations; Transceiver 20 output continually varying simulating signal or digital signals, the length of again cylinder putter 30 being extended after the processor collection is converted into the angle value that supporting leg launches.Adopt contactless transceiver and reverberator, the signal of sensor transmissions reflection cylinder putter elongation is given processor, and processor is according to the calculated signals pump truck supporting leg start point of transceiver transmission.Error or fault that this device has avoided mechanical sensor when contact is installed, to cause have prolonged sensor life-time and have improved measuring accuracy.In addition be the indirect calculation mode because the measurement of angle takes, measurement be the more easy oil cylinder stroke that intuitively obtains numerical value, simplified measuring process.
According to another embodiment of the invention, first end of cylinder block 10 is fixed on the engineering machinery, and first end of cylinder putter 30 is connected with the engineering machinery jib is rotating.
With the pump truck is example, and in this embodiment, the measurement mechanism of the start point of pump truck unfolded part is used to measure the start point of pumping vehicle arm rack.Through measuring every joint arm support oil cylinder stroke, calculate the start point of every joint jib, be aided with the vehicle body angle value of car body obliqueness sensor measurement, can calculate the pumping vehicle arm rack deployed condition, this provides another account form for the modeling of jib state.
Preferably, but transceiver 20 is the laser sensor of emission of lasering beam.Reverberator 40 is the laser-bounce body.
Because pump truck belongs to large-scale construction machinery, use laser sensor, can send the integrated light beam signal, device 40 reflects and is received by transceiver 20 even distance more also can be reflected smoothly.In addition, the laser sensor precision is very high, has therefore improved the precision that the pump truck start point is measured.
Measuring method according to the start point of engineering machinery unfolded part of the present invention obtains the 3rd distance between second articulated section 51 and the 3rd articulated section 61 through distance measuring sensor; The processor that is connected with distance measuring sensor is according to first distance, second distance and the 3rd distance calculation engineering machinery start point.
Preferably, be example with the pump truck, distance measuring sensor comprises: transceiver 20, transceiver 20 are arranged on the cylinder block 10; Reverberator 40, reverberator 40 is arranged on the external part of cylinder putter 30; The measuring method of the start point of pump truck unfolded part may further comprise the steps: transceiver 20 emission light beams, and transceiver 20 is arranged on the cylinder block 10 that launches oil cylinder; Reverberator 40 reflects transceiver 20 emitted light beams to transceiver 20, and reverberator 40 is arranged on can be along the external part of the flexible cylinder putter 30 of cylinder block 10; Transceiver 20 will be launched light beam and receive between the light beam interlude and convert signal into and export to processor, and processor calculates the 3rd distance according to the extended length of calculated signals cylinder putter, and through the 3rd distance calculation pump truck start point α.
In the present embodiment, the measuring method of the start point of engineering machinery unfolded part is for measuring the method for engineering machinery supporting leg start point.The time that transceiver 20 will be launched light beam and receiving beam converts simulating signal or digital signal into, and with these signals continuous send processor to, processor calculates the extended length L of cylinder putter and finally calculates pump truck start point α.Error or fault that this method has avoided mechanical sensor when contact is installed, to cause have prolonged sensor life-time and have improved measuring accuracy.In addition be the indirect calculation mode because the measurement of angle takes, measurement be the more easy oil cylinder stroke that intuitively obtains numerical value, simplified measuring process.
According to another embodiment of the measuring method of the start point of engineering machinery unfolded part of the present invention, the measuring method of the start point of engineering machinery unfolded part is for measuring the method for engineering machinery jib start point.
In this embodiment; The measuring method of the start point of pump truck unfolded part is used to measure the start point of pumping vehicle arm rack; Be aided with the vehicle body angle value of car body obliqueness sensor measurement, can calculate the pumping vehicle arm rack deployed condition, this provides another account form for the modeling of jib state.
Preferably, referring to Fig. 5 and Fig. 6, the method that processor calculates start point is following: the rotation axis with first articulated section 71 is the A point; The elongation end of cylinder putter 30 is connected with second connecting portion 60 on being fixed on engineering machinery unfolded part 100 through the 3rd articulated section 61 rotationally, and the axle center of the 3rd articulated section 61 rotation axiss is the B point; First end of cylinder block 10 through second articulated section 51 rotationally be fixed on the pump truck main body on first connecting portion 50 be connected, the axle center of second articulated section, 51 rotation axiss is the C point; Angle when not launching with engineering machinery unfolded part 100 between AC and the AB is α 0; Distance between the transmitting terminal of C point and transceiver 20 is L1; Distance between the reflection end of reverberator 40 and the B point is L2, and the distance between the reflection end of transceiver 20 and reverberator 40 is L; The computing formula of pump truck start point α is:
Still the start point with the pump truck supporting leg is measured as example, aforesaid AB, AC and α
0Be the structure attribute of supporting leg, its numerical value does not launch to change with supporting leg, and can directly measure.L
1, L
2Length decide with the installation site of transceiver 20 and reverberator 40, the installation site confirms that its numerical value of back does not launch to change with the pump truck supporting leg.L changes with cylinder putter 30 telescopic variation, can be measured in real time by transceiver 20.In addition, the angle [alpha] among Fig. 5 and Fig. 6
1Angle for AB and pump truck supporting leg axial line.Computing formula through above-mentioned start point can be that angle [alpha] is opened in the car exhibition of L calculating pump according to the distance between the reflection end of the architectural feature of pump truck and transceiver 20 that records and reverberator 40.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
The measuring method of the start point of engineering machinery unfolded part of the present invention and device adopt contactless distance measuring sensor, and error or the fault of having avoided mechanical sensor when contact is installed, to cause have prolonged sensor life-time and improved measuring accuracy; In addition be the indirect calculation mode because the measurement of angle takes, measurement be the more easy oil cylinder stroke that intuitively obtains numerical value, simplified measuring process.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the measuring method of the start point of an engineering machinery unfolded part; Said engineering machinery unfolded part (100) is pivotably connected on the engineering machinery car body through first articulated section (71); First end that launches oil cylinder is connected on the said engineering machinery car body through second articulated section (51); Second end of said expansion oil cylinder is connected on the said engineering machinery unfolded part (100) through the 3rd articulated section (61); Said first; Second; The 3rd articulated section is configured to triangular structure; Has first distance between said first articulated section (71) and said second articulated section (51); Has second distance between said first articulated section (71) and said the 3rd articulated section (61); It is characterized in that said measuring method may further comprise the steps:
Obtain the 3rd distance between said second articulated section (51) and said the 3rd articulated section (61) through distance measuring sensor;
The processor that is connected with said distance measuring sensor is according to said first distance, said second distance and said the 3rd distance calculation engineering machinery start point.
2. the measuring method of the start point of engineering machinery unfolded part according to claim 1; It is characterized in that; Said expansion oil cylinder comprises cylinder block (10) and cylinder putter (30); Said distance measuring sensor comprises: transceiver (20), said transceiver (20) are arranged on the said cylinder block (10); Reverberator (40), said reverberator (40) is arranged on the external part of said cylinder putter (30);
The measuring method of the start point of said engineering machinery unfolded part may further comprise the steps:
Said transceiver (20) emission light beam, said transceiver (20) is arranged on the cylinder block (10) that launches oil cylinder;
Said reverberator (40) reflects said transceiver (20) emitted light beams to said transceiver (20), and said reverberator (40) is arranged on can be along the external part of the flexible said cylinder putter (30) of said cylinder block (10);
Said transceiver (20) will be launched light beam and receive between the light beam interlude and convert signal into and export to processor; Processor calculates said the 3rd distance according to the extended length of the said cylinder putter of said calculated signals (30), and through said the 3rd distance calculation engineering machinery start point α.
3. the measuring method of the start point of engineering machinery unfolded part according to claim 2 is characterized in that, the method that processor calculates start point is following:
Rotation axis with said first articulated section (71) is the A point;
The elongation end of said cylinder putter (30) is connected with second connecting portion (60) on being fixed on said engineering machinery unfolded part (100) through the 3rd articulated section (61) rotationally, and the axle center of said the 3rd articulated section (61) rotation axis is the B point;
First end of said cylinder block (10) through second articulated section (51) rotationally be fixed on work machine body on first connecting portion (50) be connected, the axle center of said second articulated section (51) rotation axis is the C point;
With said engineering machinery unfolded part (100) when not launching the angle between AC and the AB be α
0, the distance between the transmitting terminal of C point and said transceiver (20) is L
1, the distance between the reflection end of said reverberator (40) and the B point is L
2, the distance between the reflection end of said transceiver (20) and said reverberator (40) is L;
The computing formula of engineering machinery start point α is:
4. the measuring method of the start point of engineering machinery unfolded part according to claim 3; It is characterized in that the measuring method of the start point of said engineering machinery unfolded part perhaps is a method of measuring engineering machinery jib start point for the method for measuring engineering machinery supporting leg start point.
5. the measurement mechanism of the start point of an engineering machinery unfolded part; Said engineering machinery unfolded part is pivotably connected on the engineering machinery car body through first articulated section (71); First end that launches oil cylinder is connected on the said engineering machinery car body through second articulated section (51); Second end that launches oil cylinder is connected on the said engineering machinery unfolded part through the 3rd articulated section (61); Said first; Second; The 3rd articulated section is configured to triangular structure; Has first distance between said first articulated section (71) and said second articulated section (51); Has second distance between said first articulated section (71) and said the 3rd articulated section (61); It is characterized in that said measurement mechanism comprises:
Distance measuring sensor is used to obtain the 3rd distance between said second articulated section (51) and said the 3rd articulated section (61);
Processor is connected with said distance measuring sensor, according to said first distance, said second distance and said the 3rd distance calculation engineering machinery start point.
6. the measurement mechanism of the start point of engineering machinery unfolded part according to claim 5 is characterized in that, said expansion oil cylinder comprises cylinder block (10) and cylinder putter (30), and said distance measuring sensor comprises:
Transceiver (20), said transceiver (20) are arranged on the said cylinder block (10);
Reverberator (40), said reverberator (40) is arranged on the external part of said cylinder putter (30);
Wherein, Said transceiver (20) is used to launch light beam; Said reverberator (40) is used for said transceiver (20) emitted light beams is reflected to said transceiver (20), and said transceiver (20) also is used for the signal of transmission reflection said cylinder putter (30) elongation.
7. the measurement mechanism of the start point of engineering machinery unfolded part according to claim 5 is characterized in that, said transceiver (20) is used for the laser sensor to said reverberator (40) emission of lasering beam.
8. the measurement mechanism of the start point of engineering machinery unfolded part according to claim 7 is characterized in that, said reverberator (40) is the laser-bounce body.
9. the measurement mechanism of the start point of engineering machinery unfolded part according to claim 6; It is characterized in that; One end of said cylinder block (10) is fixed on the said engineering machinery, and the external part of said cylinder putter (30) is connected with the engineering machinery supporting leg is rotating.
10. the measurement mechanism of the start point of engineering machinery unfolded part according to claim 6; It is characterized in that; First end of said cylinder block (10) is fixed on the said engineering machinery, and first end of said cylinder putter (30) is connected with the engineering machinery jib is rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233259A CN102305605A (en) | 2011-08-15 | 2011-08-15 | Method and device for measuring spreading angle of engineering mechanical spreading component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233259A CN102305605A (en) | 2011-08-15 | 2011-08-15 | Method and device for measuring spreading angle of engineering mechanical spreading component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102305605A true CN102305605A (en) | 2012-01-04 |
Family
ID=45379490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110233259A Pending CN102305605A (en) | 2011-08-15 | 2011-08-15 | Method and device for measuring spreading angle of engineering mechanical spreading component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102305605A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788541A (en) * | 2012-01-16 | 2012-11-21 | 周华 | Protractor |
| CN102935988A (en) * | 2012-10-31 | 2013-02-20 | 长沙中联消防机械有限公司 | Operation control method, operation control device and operation control system for lifting engineering van and engineering van |
| CN103058081A (en) * | 2012-12-26 | 2013-04-24 | 三一重工股份有限公司 | Super-lift spread angle measuring system and method, and crane |
| CN107504938A (en) * | 2017-06-23 | 2017-12-22 | 北京机械设备研究所 | A kind of multistage hydraulic cylinder changes level and lights perpendicular angle measurement system and measuring method |
| CN113271410A (en) * | 2021-04-14 | 2021-08-17 | 中联重科股份有限公司 | Method, processor and device for determining opening degree of supporting leg of engineering machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932855A (en) * | 1974-09-06 | 1976-01-13 | Eaton Corporation | Crane radius instrument |
| JPH0379598A (en) * | 1989-08-17 | 1991-04-04 | Kobe Steel Ltd | Jib offset angle calculating device for crane |
| US5143232A (en) * | 1991-09-18 | 1992-09-01 | Stewart James T | Crane load instrument and method therefor |
| JPH07144883A (en) * | 1993-11-19 | 1995-06-06 | Kajima Corp | Device for measuring swinging angle of load of crane and length of suspending rope |
| CN1235118A (en) * | 1997-12-05 | 1999-11-17 | 美国格若沃责任有限公司 | Smart tele-cylinder |
| US6473679B1 (en) * | 1999-12-10 | 2002-10-29 | Caterpillar Inc. | Angular velocity control and associated method for a boom of a machine |
| CN1439092A (en) * | 2000-06-26 | 2003-08-27 | 乌尔里希·金德勒 | Device for contactless measuring of displacement path, especially for detection of position and movement |
| CN1743789A (en) * | 2004-09-01 | 2006-03-08 | 中国科学院沈阳自动化研究所 | Novel parallel corner measuring mechanism |
| CN1743790A (en) * | 2004-09-01 | 2006-03-08 | 中国科学院沈阳自动化研究所 | Structure of rotation angle measuring mechanism |
| CN101913548A (en) * | 2010-08-16 | 2010-12-15 | 三一集团有限公司 | Movable manned elevator and elevator working mechanism thereof |
| CN101993008A (en) * | 2009-08-12 | 2011-03-30 | 中国船舶重工集团公司第七一三研究所 | Measurement method and system for determining position of crane hook |
-
2011
- 2011-08-15 CN CN201110233259A patent/CN102305605A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932855A (en) * | 1974-09-06 | 1976-01-13 | Eaton Corporation | Crane radius instrument |
| JPH0379598A (en) * | 1989-08-17 | 1991-04-04 | Kobe Steel Ltd | Jib offset angle calculating device for crane |
| US5143232A (en) * | 1991-09-18 | 1992-09-01 | Stewart James T | Crane load instrument and method therefor |
| JPH07144883A (en) * | 1993-11-19 | 1995-06-06 | Kajima Corp | Device for measuring swinging angle of load of crane and length of suspending rope |
| CN1235118A (en) * | 1997-12-05 | 1999-11-17 | 美国格若沃责任有限公司 | Smart tele-cylinder |
| US6473679B1 (en) * | 1999-12-10 | 2002-10-29 | Caterpillar Inc. | Angular velocity control and associated method for a boom of a machine |
| CN1439092A (en) * | 2000-06-26 | 2003-08-27 | 乌尔里希·金德勒 | Device for contactless measuring of displacement path, especially for detection of position and movement |
| CN1743789A (en) * | 2004-09-01 | 2006-03-08 | 中国科学院沈阳自动化研究所 | Novel parallel corner measuring mechanism |
| CN1743790A (en) * | 2004-09-01 | 2006-03-08 | 中国科学院沈阳自动化研究所 | Structure of rotation angle measuring mechanism |
| CN101993008A (en) * | 2009-08-12 | 2011-03-30 | 中国船舶重工集团公司第七一三研究所 | Measurement method and system for determining position of crane hook |
| CN101913548A (en) * | 2010-08-16 | 2010-12-15 | 三一集团有限公司 | Movable manned elevator and elevator working mechanism thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788541A (en) * | 2012-01-16 | 2012-11-21 | 周华 | Protractor |
| CN102935988A (en) * | 2012-10-31 | 2013-02-20 | 长沙中联消防机械有限公司 | Operation control method, operation control device and operation control system for lifting engineering van and engineering van |
| CN103058081A (en) * | 2012-12-26 | 2013-04-24 | 三一重工股份有限公司 | Super-lift spread angle measuring system and method, and crane |
| CN107504938A (en) * | 2017-06-23 | 2017-12-22 | 北京机械设备研究所 | A kind of multistage hydraulic cylinder changes level and lights perpendicular angle measurement system and measuring method |
| CN107504938B (en) * | 2017-06-23 | 2019-08-30 | 北京机械设备研究所 | A kind of multistage hydraulic cylinder changes grade and lights perpendicular angle measurement system and measurement method |
| CN113271410A (en) * | 2021-04-14 | 2021-08-17 | 中联重科股份有限公司 | Method, processor and device for determining opening degree of supporting leg of engineering machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305605A (en) | Method and device for measuring spreading angle of engineering mechanical spreading component | |
| CN103673972B (en) | Cantilever crane deflection measuring method, device and system and crane | |
| CN100510673C (en) | Laser remote sensing delecting device for natural gas pipe line leakage and detection method thereof | |
| CN101825444A (en) | Vehicle-mounted road spectrum testing system based on surface structured light | |
| CN104344945A (en) | Frequency code optical fiber time domain reflectometer and working method thereof | |
| CN103206615A (en) | Optical fiber deformation monitoring system for oil and gas pipelines | |
| CN106612146A (en) | System for rapidly finding and precisely positioning ground position of fault point of communication optical fiber | |
| CN116015440B (en) | Optical fiber fault point positioning method and device, optical cable sonar instrument and storage medium | |
| CN105258662A (en) | Method for measuring end face spatial displacement and angular variation of shafting engineering member on the basis of stay-supported displacement sensors | |
| CN105806262A (en) | Inclination metering system and method based on low-coherence interference technique | |
| CN207147508U (en) | The device for closely sensing stability can be improved in optical frequency domain reflection technology | |
| CN110411352A (en) | Displacement monitor and method based on bending loss of optical fiber | |
| CN102889875A (en) | Sensing system for monitoring convergence deformation of tunnel | |
| CN207816204U (en) | A kind of optical sensing bridge monitoring system | |
| CN214895382U (en) | Portable laser velocimeter with angle compensation function | |
| CN106289600A (en) | A kind of optical fiber stress sensor part | |
| CN110635841B (en) | Method and device for improving echo signal of chaotic optical time domain reflectometer | |
| CN204202852U (en) | Frequency coding fiber optical time domain reflection instrument | |
| CN204902823U (en) | A measure built -in fitting for high -speed railway operation maintenance settlement observation | |
| CN204461469U (en) | A kind of optical fiber sensing and vibrating sensing collinear fusion system | |
| CN205843649U (en) | Transmission tower crookedness measuring apparatu | |
| CN202177567U (en) | Road adhesion coefficient tester | |
| CN209559137U (en) | Subway tunnel deformation detection instrument | |
| CN104132757A (en) | Quasi-distributed landslide soil pressure real-time monitoring device | |
| CN209623642U (en) | Circularity Quick testing instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant before: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120104 |
|
| RJ01 | Rejection of invention patent application after publication |