CN103335624B - The accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground - Google Patents
The accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground Download PDFInfo
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- CN103335624B CN103335624B CN201310185946.5A CN201310185946A CN103335624B CN 103335624 B CN103335624 B CN 103335624B CN 201310185946 A CN201310185946 A CN 201310185946A CN 103335624 B CN103335624 B CN 103335624B
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- 238000005259 measurement Methods 0.000 description 27
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Abstract
The present invention relates to a kind of live standing tree tree breast diameter survey device, especially relate to the accurate real time automatic measuring device of a kind of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground.The accurate real time automatic measuring device of this live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground, comprise locating device and fixing measuring appliance on the positioning device, described measuring appliance lower end is connected with scrambler, described measuring appliance comprises housing, is positioned at the main shaft of housing and slotted line, the one ends wound of described slotted line on main shaft, the other end stretches out by the side of measuring appliance and after live standing tree, is fixed on the other end of measuring appliance, described scrambler is connected with main shaft lower end.The present invention has and automatically can measure accurately and in real time, is easy for installation and maintenance, is convenient to the beneficial effect such as data processing and collection.
Description
Technical field
The present invention relates to a kind of live standing tree tree breast diameter survey device, especially relate to the accurate real time automatic measuring device of a kind of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground.
Background technology
Precisely managing and efficiency utilization for realizing forest, needing precisely to grasp tree growth information and the interaction relationship between it and envirment factor, the biological characteristics of Accurate Analysis tree growth and the Changing Pattern of ecological characteristics; Acquisition arboreal growth data message and envirment factor information are the most basic prerequisites of carrying out above research work accurately and timely.The measurement factor mainly diameter of a cross-section of a tree trunk 1.3 meters above the ground and the height of tree of arboreal growth amount, wherein relatively difficult Measurement accuracy is the height of tree, research shows there is certain correlationship between the height of tree and the diameter of a cross-section of a tree trunk 1.3 meters above the ground, the height of tree can be estimated by the diameter of a cross-section of a tree trunk 1.3 meters above the ground data recorded, and then the calculating volume of timber, therefore measure arboreal growth amount and just can focus in the measurement diameter of a cross-section of a tree trunk 1.3 meters above the ground.
An existing class metering system directly measures acquisition arboreal growth amount by manually entering forest land, the workload of this metering system is large, and due to continuous, real-time, automatic data collection can not be realized by measuring condition restriction, the measurement of limited number of time can only be done, grasp trees dynamic growth process that cannot be detailed.A class mode such as Chinese Patent Application No. is also had to be method and the device of the automatic measurement of live stumpage tree diameter growth quantity real time of 200810055755.6, the device of design adopts one group of straight line force sensor image data, configuration data processor flexible member etc., but it is bulky, complex structure, installation, maintenance, data processing and collection are all inconvenient.It is also a kind of automatic tree-diameter measuring device of 201110365947.9 just like Chinese Patent Application No., the device of design adopts linear displacement transducer, tree diameters is calculated by drive mechanism and formulae discovery, there is error in the manufacture and installation in drive mechanism, and also there is error in the calculation, can not realize measuring accurately.
Summary of the invention
The present invention, mainly for the problems referred to above, provides a kind of and can automatically measure accurately and in real time, the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground of be easy for installation and maintenance, be convenient to data processing and collection.
Object of the present invention is mainly achieved by following proposal: the accurate real time automatic measuring device of a kind of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground, comprise locating device and fixing measuring appliance on the positioning device, described measuring appliance lower end is connected with scrambler, described measuring appliance comprises housing, is positioned at the main shaft of housing and slotted line, the one ends wound of described slotted line on main shaft, the other end stretches out by the side of measuring appliance and after live standing tree, is fixed on the other end of measuring appliance, described scrambler is connected with main shaft lower end.Measuring appliance is fixed by positioning device on live standing tree to be measured, main shaft and slotted line are set in the housing of measuring appliance, one section of slotted line is wrapped on main shaft, and the other end is stretched out by the side of measuring appliance and is centered around the diameter of a cross-section of a tree trunk 1.3 meters above the ground of live standing tree, and then is fixed on the other end of measuring appliance.When whole measurement mechanism dismantled by needs, only the stiff end of slotted line and measuring appliance need be disconnected, just can take off measurement mechanism from live standing tree by locating device, be convenient to installation and the maintenance of measurement mechanism.During live standing tree growth, the diameter of a cross-section of a tree trunk 1.3 meters above the ground increases, slotted line is pulled out by the housing of measuring appliance, the slotted line of pull-out drives main shaft to rotate, main shaft lower end is connected with scrambler, the angular velocity that main shaft rotates is changed into the signal that can transmit by scrambler, is calculated the numerical value of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground growth by the signal sent scrambler.Along with live standing tree own growth is measured automatically, measuring without the need to manually entering forest land, effectively improve the efficiency of measurement, reduce the workload needed for measuring.Drive pulling of slotted line by the growth of live standing tree self, drive main shaft to rotate by pulling of slotted line, improve the degree of accuracy of measurement, ensure the accuracy of measurement.
As preferably, described main shaft upper end is around there being volute spring.Main shaft upper end is around there being volute spring, volute spring makes main shaft be subject to reverse moment of torsion by natural resiliency, when slotted line is taken off from live standing tree, unroll on main shaft in the housing that volute spring drives main shaft retrograde rotation to drive slotted line to be retracted into measuring appliance, be convenient to the recovery to slotted line.To the expansionary force that slotted line applies when the moment of torsion that volute spring passes to main shaft grows much smaller than live standing tree, ensure that volute spring can not make slotted line affect the increment of live standing tree script.
As preferably, the upper and lower two ends of described volute spring are provided with rolling bearing.The upper and lower two ends of volute spring all arrange rolling bearing, and main shaft is rotated in housing, and ensure the stability of main shaft axial-rotation.
As preferably, auxiliary wheel and inner guide pulley are set, described slotted line pile warp auxiliary wheel and inner guide pulley pass from the side of housing successively in described housing.Auxiliary wheel and inner guide pulley is provided with in housing, pile warp inner guide pulley passing from the side of housing again after slotted line pile warp auxiliary wheel, the stability adopting auxiliary wheel and inner guide pulley to ensure when slotted line stretches, and the resistance be subject to when can reduce slotted line stretching, contract measurement error effectively, ensures the accuracy measured.
As preferably, the outer side of stretching out near slotted line of described housing is provided with outer guide wheel.When slotted line passes stability when the outer guide wheel of rear pile warp can ensure that slotted line stretches by the side of measuring appliance, and can reduce the resistance that is subject to when slotted line stretches, contract measurement error effectively, ensures the accuracy of measurement.
As preferably, the guiding plectrum for leading to slotted line is provided with between described auxiliary wheel and inner guide pulley, described guiding plectrum comprises the positioning end, guide end and the link for being connected positioning end and guide end that are connected with housing, be provided with angle between the plane that described positioning end is formed and link, described guide end ringwise.Assist and between guide wheel and inner guide pulley, be provided with guiding plectrum, guiding plectrum is fixed on housing by positioning end, and positioning end is connected with guide end by link, and guide end ringwise, the guide end of guiding plectrum is penetrated after slotted line pile warp auxiliary wheel, then pile warp inner guide pulley.After slotted line penetrates the guide end of guiding plectrum, guide end can lead to slotted line, slotted line is aimed at and stable around to inner guide pulley.Be provided with angle between the plane that positioning end is formed and link, the partial tension of slotted line between auxiliary wheel and inner guide pulley can be made by changing angle, reducing the error measured, ensureing the accuracy measured.
As preferably, described guiding plectrum is that tinsel bending forms, positioning end is bent into " U " font, and the plane that positioning end is formed is vertical with link, and guide end is bent into closed annular, and guide end and link are positioned in same plane.Guiding plectrum adopts tinsel bending to form, positioning end is bent into " U " font, and the positioning end of " U " font has certain width, ensures stability when guiding plectrum is fixed on housing.The plane that positioning end is formed is vertical with link, strengthens the stability between positioning end and link, avoids causing link and positioning end to bend when slotted line stretches.Guide end is bent into closed annular, side line can be avoided to depart from guide end when slotted line penetrates after guide end.Guide end and link are positioned at same plane, strengthen the intensity of guide end and link link junction, avoid the junction of guide end and link to bend.The guiding plectrum material adopting tinsel to bend is simple, cost is low, and can ensure the stability that slotted line stretches between adjacent two inner guide pulleys, reduces measuring error, improves the accuracy measured.
As preferably, the side of described measuring appliance is fixedly linked by fastening intermediate plate and slotted line, and described fastening intermediate plate comprises upper clip, lower clamping piece and geometrical clamp, and described upper clip is connected with lower clamping piece bolt.The end of slotted line penetrates geometrical clamp after live standing tree, more oppositely penetrates between upper clip and lower clamping piece, upper clip and lower clamping piece is fixedly clamped by bolt, and the free end of slotted line and measuring appliance are fixed.When disassembly is desired, only need unscrew bolt, slotted line be extracted out between upper clip and lower clamping piece, then extracts out by geometrical clamp, be convenient to installation, maintenance and the dismounting of measuring appliance.
As preferably, described locating device comprises positioning belt, and the end of positioning belt is provided with roller buckle, and the middle part of positioning belt is provided with pilot hole, and positioning belt is connected with measuring appliance bolt by pilot hole.Locating device comprises positioning belt, the end of positioning belt is positioned by roller buckle, positioning belt is made to be looped around on live standing tree, when live standing tree grows, positioning belt is along with the increase of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground and expansion, positioning belt is loosened automatically by roller buckle, ensures that positioning belt can not affect live standing tree normal growth.Arrange pilot hole in the middle part of positioning belt, positioning belt is connected with measuring appliance bolt by pilot hole, and namely measuring appliance is hung on live standing tree by positioning belt.When needs dismounting locating device, only the two ends of positioning belt need be departed from by roller buckle.
As preferably, described locating device comprises positioning belt, one end of positioning belt is removably connected with roller buckle, and positioning belt is by roller snap collar around on live standing tree, and the middle part of positioning belt has four pilot holes, positioning belt is connected with measuring appliance bolt by pilot hole, roller buckle comprises buckle main body, and buckle main body section, in " recessed " font, two sidewalls of buckle main body has the chute of arc, run through in chute and have knurling roler, knurling roler can slide in chute; Main shaft is positioned at housing, and scrambler adopts multi-turn absolute value encoder, and main shaft is rotated in housing by rolling bearing, and the upper end of housing is provided with volute spring, and volute spring is around the upper end of main shaft, and rolling bearing lays respectively at the two ends up and down of volute spring.The madial wall of housing is provided with auxiliary wheel and inner guide pulley, the lateral wall of housing is provided with outer guide wheel, auxiliary wheel, inner guide pulley is all connected with housing by wheel seat with outer guide wheel, guiding plectrum is installed with between auxiliary wheel and inner guide pulley, guiding plectrum comprises positioning end, guide end and the link for connecting positioning end and guide end, guiding plectrum adopts steel wire bending to form, positioning end is bent into " U " font, the plane being perpendicular that link and positioning end are formed, guide end is bent into closed ring-type, guide end and link are positioned at same plane, the lower end of main shaft is fixedly connected with roller, the one ends wound of slotted line on roller after again pile warp auxiliary wheel penetrate the guide end of guiding plectrum again, pile warp inner guide pulley again, then by passing in housing and the outer guide wheel of pile warp, then around live standing tree to be measured, be connected with the coupling bar on housing opposite side sidewall eventually through fastening intermediate plate, fastening intermediate plate comprises lower clamping piece, upper clip and geometrical clamp, slotted line oppositely penetrates between lower clamping piece and upper clip after penetrating geometrical clamp again, lower clamping piece and upper clip are bolted to connection and the slotted line that is fixedly clamped.
Therefore, the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground of the present invention possesses following advantage: 1, measuring appliance is fixed by positioning device on live standing tree to be measured, main shaft and slotted line are set in the housing of measuring appliance, one section of slotted line is wrapped on main shaft, the other end is stretched out by the side of measuring appliance and is centered around the diameter of a cross-section of a tree trunk 1.3 meters above the ground of live standing tree, and then be fixed on the other end of measuring appliance, during live standing tree growth, the diameter of a cross-section of a tree trunk 1.3 meters above the ground increases, slotted line is pulled out by the housing of measuring appliance, the slotted line of pull-out drives main shaft to rotate, main shaft lower end is connected with scrambler, the angular velocity that main shaft rotates is changed into the signal that can transmit by scrambler, the numerical value of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground growth is calculated by the signal sent scrambler, along with live standing tree own growth is measured automatically, measure without the need to manually entering forest land, effectively improve the efficiency of measurement, reduce the workload needed for measuring, pulling of slotted line is driven by the growth of live standing tree self, main shaft is driven to rotate by pulling of slotted line, improve the degree of accuracy of measurement, ensure the accuracy measured, 2, main shaft upper end is around there being volute spring, volute spring makes main shaft be subject to reverse moment of torsion by natural resiliency, when slotted line is taken off from live standing tree, unroll on main shaft in the housing that volute spring drives main shaft retrograde rotation to drive slotted line to be retracted into measuring appliance, be convenient to the recovery to slotted line, to the expansionary force that slotted line applies when the moment of torsion that volute spring passes to main shaft grows much smaller than live standing tree, ensure that volute spring can not make slotted line affect live standing tree increment 3 originally, auxiliary wheel and inner guide pulley is provided with in housing, pile warp inner guide pulley passing from the side of housing again after slotted line pile warp auxiliary wheel, the stability adopting auxiliary wheel and inner guide pulley to ensure when slotted line stretches, and the resistance be subject to when can reduce slotted line stretching, contract measurement error effectively, ensure the accuracy measured, 4, assist and between guide wheel and inner guide pulley, be provided with guiding plectrum, guiding plectrum is fixed on housing by positioning end, positioning end is connected with guide end by link, guide end ringwise, the guide end of guiding plectrum is penetrated after slotted line pile warp auxiliary wheel, pile warp inner guide pulley again, after slotted line penetrates the guide end of guiding plectrum, guide end can lead to slotted line, slotted line is aimed at and stable around to inner guide pulley, angle is provided with between the plane that positioning end is formed and link, the partial tension of slotted line between auxiliary wheel and inner guide pulley can be made by changing angle, reduce the error measured, ensure the accuracy measured, 5, guiding plectrum adopts tinsel bending to form, positioning end is bent into " U " font, the positioning end of " U " font has certain width, ensure stability when guiding plectrum is fixed on housing, the plane that positioning end is formed is vertical with link, strengthen the stability between positioning end and link, avoid causing link and positioning end to bend when slotted line stretches, guide end is bent into closed annular, side line can be avoided to depart from guide end when slotted line penetrates after guide end, guide end and link are positioned at same plane, strengthen the intensity of guide end and link link junction, the junction of guide end and link is avoided to bend, adopt the guiding plectrum material of tinsel bending simple, cost is low, and the stability that slotted line stretches between adjacent two inner guide pulleys can be ensured, reduce measuring error, improve the accuracy measured.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of measuring appliance in the present invention;
Accompanying drawing 2 is vertical views of accompanying drawing 1;
Accompanying drawing 3 is the structural representations of plectrum of leading in the present invention;
Accompanying drawing 4 is structural representations of fastening intermediate plate in the present invention;
Accompanying drawing 5 is structural representations of locating device in the present invention;
Accompanying drawing 6 is structural representations of roller buckle in the present invention.
Illustrate: 01-housing, 02-main shaft, 03-slotted line, 04-auxiliary wheel, 05-inner guide pulley, 06-web joint, the outer guide wheel of 07-, 08-leads plectrum, 081-positioning end, 082-link, 083-guide end, 09-volute spring, 010-rolling bearing, 011-wheel seat, 012-scrambler, 013-roller, the fastening intermediate plate of 014-, 0141-lower clamping piece, 0142-upper clip, 0143-geometrical clamp, 015-positioning belt, 016-ball buckle, 0161-buckle main body, 0162-knurling roler, 0163-chute, 017-pilot hole, 018-coupling bar.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, the accurate real time automatic measuring device of a kind of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground, comprises locating device and fixing measuring appliance on the positioning device.As shown in Figure 5, locating device comprises positioning belt 015, and one end of positioning belt 015 is removably connected with roller buckle 016, and positioning belt 015 is looped around on live standing tree by roller buckle 016.The middle part of positioning belt 015 has four pilot holes 017, and positioning belt 015 is connected with web joint 06 bolt on measuring appliance by pilot hole 017.As shown in Figure 6, roller buckle 016 comprises buckle main body 0161, and buckle main body 0161 section, in " recessed " font, two sidewalls of buckle main body 0161 has the chute 0163 of arc, run through in chute 0163 and have knurling roler 0162, knurling roler 0162 can slide in chute 0163.Measuring appliance comprises housing 01, and housing 01 inner vertical is provided with main shaft 02, the scrambler 012 that housing 01 lower end is connected with main shaft 02, and scrambler 012 adopts multi-turn absolute value encoder, and main shaft 02 is rotated in housing 01 by rolling bearing 010.The upper end of housing 01 is provided with volute spring 09, and volute spring 09 is around the upper end of main shaft 01, and rolling bearing 010 lays respectively at the two ends up and down of volute spring 09.The madial wall of housing 01 is provided with auxiliary wheel 04 and inner guide pulley 05, the lateral wall of housing 01 is provided with outer guide wheel 07, auxiliary wheel 04, inner guide pulley 05 are all connected with housing 01 by wheel seat 011 with outer guide wheel 07.Be installed with guiding plectrum 08 between auxiliary wheel 04 and inner guide pulley 05, as shown in Figure 3, guiding plectrum 08 comprises positioning end 081, guide end 083 and the link 082 for connecting positioning end and guide end, and guiding plectrum 08 adopts steel wire to bend and forms.Positioning end 081 is bent into " U " font, the plane being perpendicular that link 082 and positioning end 081 are formed, and guide end 083 is bent into closed ring-type, and guide end 083 and link 082 are positioned at same plane.The lower end of main shaft 02 is fixedly connected with roller 013, roller 013 is wound with slotted line 03, as shown in Figure 2, the one ends wound of slotted line 03 on roller 013 after again pile warp auxiliary wheel 04 penetrate the guide end 083 of guiding plectrum 08 again, pile warp inner guide pulley 05 again, then by passing in housing 01 and the outer guide wheel 07 of pile warp, then around live standing tree to be measured, be connected with the coupling bar 018 on housing 01 opposite side sidewall eventually through fastening intermediate plate 014.Fastening intermediate plate 014 comprises lower clamping piece 0141, upper clip 0142 and geometrical clamp 0143, as shown in Figure 4, slotted line oppositely penetrates between lower clamping piece 0141 and upper clip 0142 after penetrating geometrical clamp 0143 again, and lower clamping piece 0141 and upper clip 0142 are bolted to connection and the slotted line that is fixedly clamped.
When needs install and measure device, be connected with the pilot hole bolt on positioning belt by web joint by measuring appliance, the two ends of positioning belt are connected by roller buckle by positioning belt after live standing tree.When live standing tree grows, positioning belt can be expanded along with the growth of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground, drives knurling roler to slide in chute, ensures that positioning belt can not affect the normal growth of live standing tree.By on measuring appliance inner main axis around one end pile warp auxiliary wheel of slotted line, penetrate the guide end of guiding plectrum again, then pile warp inner guide pulley, passed by enclosure interior again and the outer guide wheel of pile warp, then around live standing tree, then penetrate geometrical clamp, oppositely penetrate again between upper clip and lower clamping piece, by bolt, upper clip and lower clamping piece are fixedly clamped, the free end of slotted line and measuring appliance are fixed, completes the installation to measurement mechanism.During live standing tree growth, the diameter of a cross-section of a tree trunk 1.3 meters above the ground increases, slotted line is pulled out by the housing of measuring appliance, the slotted line of pull-out drives main shaft to rotate, main shaft lower end is connected with scrambler, the angular velocity that main shaft rotates is changed into the signal that can transmit by scrambler, is calculated the numerical value of live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground growth by the signal sent scrambler.Along with live standing tree own growth is measured automatically, measuring without the need to manually entering forest land, effectively improve the efficiency of measurement, reduce the workload needed for measuring.Drive pulling of slotted line by the growth of live standing tree self, drive main shaft to rotate by pulling of slotted line, improve the degree of accuracy of measurement, ensure the accuracy of measurement.In main shaft rotary course, because the upper and lower two ends of volute spring all arrange rolling bearing, main shaft is rotated in housing, and the stability of main shaft axial-rotation can be ensured.Auxiliary wheel and inner guide pulley is provided with in housing, pile warp inner guide pulley passing from the side of housing again after slotted line pile warp auxiliary wheel, the stability adopting auxiliary wheel and inner guide pulley to ensure when slotted line stretches, and the resistance be subject to when can reduce slotted line stretching, contract measurement error effectively, ensures the accuracy measured.When slotted line passes stability when the outer guide wheel of rear pile warp can ensure that slotted line stretches by the side of measuring appliance, and can reduce the resistance that is subject to when slotted line stretches, contract measurement error effectively, ensures the accuracy of measurement.Assist and between guide wheel and inner guide pulley, be provided with guiding plectrum, guiding plectrum is fixed on housing by positioning end, and positioning end is connected with guide end by link, and guide end is in closed annular, the guide end of guiding plectrum is penetrated after slotted line pile warp auxiliary wheel, then pile warp inner guide pulley.After slotted line penetrates the guide end of guiding plectrum, guide end can lead to slotted line, slotted line is aimed at and stable around to inner guide pulley.Be provided with angle between the plane that positioning end is formed and link, the partial tension of slotted line between auxiliary wheel and inner guide pulley can be made by changing angle, reducing the error measured, ensureing the accuracy measured.Guiding plectrum adopts tinsel bending to form, positioning end is bent into " U " font, and the positioning end of " U " font has certain width, ensures stability when guiding plectrum is fixed on housing.When the plane that positioning end is formed is vertical with link, the stability between positioning end and link can be strengthened, avoid causing when slotted line stretches link and positioning end to bend.Guide end is bent into closed annular, side line can be avoided to depart from guide end when slotted line penetrates after guide end.Guide end and link are positioned at same plane, strengthen the intensity of guide end and link link junction, avoid the junction of guide end and link to bend.The guiding plectrum material adopting tinsel to bend is simple, cost is low, and can ensure the stability that slotted line stretches between adjacent two inner guide pulleys, reduces measuring error, improves the accuracy measured.
When whole measurement mechanism dismantled by needs, only bolt need be unscrewed, slotted line is extracted out between upper clip and lower clamping piece, extract out by geometrical clamp again, the stiff end of slotted line and measuring appliance is disconnected, just measurement mechanism be can take off from live standing tree by locating device, installation and the maintenance of measurement mechanism are convenient to.Main shaft upper end is around there being volute spring, volute spring makes main shaft be subject to reverse moment of torsion by natural resiliency, when slotted line is taken off from live standing tree, unroll on main shaft in the housing that volute spring drives main shaft retrograde rotation to drive slotted line to be retracted into measuring appliance, be convenient to the recovery to slotted line.To the expansionary force that slotted line applies when the moment of torsion that volute spring passes to main shaft grows much smaller than live standing tree, ensure that volute spring can not make slotted line affect the increment of live standing tree script.
Should be understood that this embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (8)
1. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground, it is characterized in that, comprise locating device and fixing measuring appliance on the positioning device, described measuring appliance lower end is connected with scrambler, described measuring appliance comprises housing, be positioned at main shaft and the slotted line of housing, the one ends wound of described slotted line is on main shaft, the other end is stretched out by the side of measuring appliance and after live standing tree, is fixed on the other end of measuring appliance, described scrambler is connected with main shaft lower end, auxiliary wheel and inner guide pulley are set in described housing, described slotted line pile warp auxiliary wheel and inner guide pulley pass from the side of housing successively, the guiding plectrum for leading to slotted line is provided with between described auxiliary wheel and inner guide pulley, described guiding plectrum comprises the positioning end be connected with housing, guide end and the link for being connected positioning end and guide end, angle is provided with between the plane that described positioning end is formed and link, described guide end ringwise, the lateral wall of housing is provided with outer guide wheel, the lower end of main shaft is fixedly connected with roller, roller is wound with slotted line, the one ends wound of slotted line on roller after again pile warp auxiliary wheel penetrate the guide end of guiding plectrum again, pile warp inner guide pulley again, then by passing in housing and the outer guide wheel of pile warp.
2. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1, is characterized in that, described main shaft upper end is around there being volute spring.
3. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 2, is characterized in that, the upper and lower two ends of described volute spring are provided with rolling bearing.
4. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1 or 2 or 3, is characterized in that, the outer side of stretching out near slotted line of described housing is provided with outer guide wheel.
5. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1, it is characterized in that, described guiding plectrum is that tinsel bending forms, positioning end is bent into " U " font, the plane that positioning end is formed is vertical with link, guide end is bent into closed annular, and guide end and link are positioned in same plane.
6. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1 or 2 or 3, it is characterized in that, the side of described measuring appliance is fixedly linked by fastening intermediate plate and slotted line, described fastening intermediate plate comprises upper clip, lower clamping piece and geometrical clamp, and described upper clip is connected with lower clamping piece bolt.
7. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1 or 2 or 3, it is characterized in that, described locating device comprises positioning belt, the end of positioning belt is provided with roller buckle, the middle part of positioning belt is provided with pilot hole, and positioning belt is connected with measuring appliance bolt by pilot hole.
8. the accurate real time automatic measuring device of the live standing tree diameter of a cross-section of a tree trunk 1.3 meters above the ground according to claim 1, it is characterized in that, described locating device comprises positioning belt, one end of positioning belt is removably connected with roller buckle, positioning belt passes through roller snap collar around on live standing tree, the middle part of positioning belt has four pilot holes, positioning belt is connected with measuring appliance bolt by pilot hole, roller buckle comprises buckle main body, buckle main body section is in " recessed " font, two sidewalls of buckle main body have the chute of arc, run through in chute and have knurling roler, knurling roler can slide in chute, main shaft is positioned at housing, scrambler adopts multi-turn absolute value encoder, main shaft is rotated in housing by rolling bearing, the upper end of housing is provided with volute spring, volute spring is around the upper end of main shaft, rolling bearing lays respectively at the two ends up and down of volute spring, the madial wall of housing is provided with auxiliary wheel and inner guide pulley, the lateral wall of housing is provided with outer guide wheel, auxiliary wheel, inner guide pulley is all connected with housing by wheel seat with outer guide wheel, guiding plectrum is installed with between auxiliary wheel and inner guide pulley, guiding plectrum comprises positioning end, guide end and the link for connecting positioning end and guide end, guiding plectrum adopts steel wire bending to form, positioning end is bent into " U " font, the plane being perpendicular that link and positioning end are formed, guide end is bent into closed ring-type, guide end and link are positioned at same plane, the lower end of main shaft is fixedly connected with roller, the one ends wound of slotted line on roller after again pile warp auxiliary wheel penetrate the guide end of guiding plectrum again, pile warp inner guide pulley again, then by passing in housing and the outer guide wheel of pile warp, then around live standing tree to be measured, be connected with the coupling bar on housing opposite side sidewall eventually through fastening intermediate plate, fastening intermediate plate comprises lower clamping piece, upper clip and geometrical clamp, slotted line oppositely penetrates between lower clamping piece and upper clip after penetrating geometrical clamp again, lower clamping piece and upper clip are bolted to connection and the slotted line that is fixedly clamped.
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CN105466328B (en) * | 2016-01-13 | 2017-12-29 | 中国计量学院 | High-precision tree breast-height diameter device |
CN106979745A (en) * | 2016-01-18 | 2017-07-25 | 中国林业科学研究院资源信息研究所 | A kind of sensor for being used to measure tree breast-height diameter |
CN106247902B (en) * | 2016-10-13 | 2018-12-21 | 上海市绿化管理指导站 | A kind of automatic detection things system of the diameter of a cross-section of a tree trunk 1.3 meters above the ground in real time |
CN108225163B (en) * | 2018-01-21 | 2020-10-09 | 中南林业科技大学 | Forest area comprehensive information monitoring system based on ring type stumpage size measurement terminal |
CN108278962B (en) * | 2018-01-21 | 2020-10-09 | 中南林业科技大学 | Forest area comprehensive information monitoring system based on ring type standing tree size measuring terminal |
CN111059986A (en) * | 2019-12-06 | 2020-04-24 | 中国科学院植物研究所 | Tree breast-height diameter measuring scale with digital display and data storage functions |
CN114234789A (en) * | 2022-02-24 | 2022-03-25 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | Tree diameter measuring method |
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JPH0814881A (en) * | 1994-06-28 | 1996-01-19 | Nippon Steel Corp | Method of calculating diameter value by use of three-dimensionally measuring unit |
CN100580368C (en) * | 2008-01-08 | 2010-01-13 | 北京林业大学 | Device for automatic real time measurement of live stumpage tree diameter growth quantity |
CN201607183U (en) * | 2010-03-04 | 2010-10-13 | 李刚 | Tapeline for fast measuring garden trees |
CN102426005B (en) * | 2011-11-18 | 2013-06-12 | 北京林业大学 | Automatic measurement device for treewalk growth |
CN202814373U (en) * | 2012-07-04 | 2013-03-20 | 长春荣德光学有限公司 | Stay wire displacement encoder |
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