CN113899286B - Tree breast diameter measuring device - Google Patents
Tree breast diameter measuring device Download PDFInfo
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- CN113899286B CN113899286B CN202111514462.1A CN202111514462A CN113899286B CN 113899286 B CN113899286 B CN 113899286B CN 202111514462 A CN202111514462 A CN 202111514462A CN 113899286 B CN113899286 B CN 113899286B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0035—Measuring of dimensions of trees
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Abstract
The invention relates to the technical field of tree breast diameter measurement, in particular to a tree breast diameter measuring device which comprises two leather measuring tapes, wherein a tape is arranged in each leather measuring tape, one side of each of the two leather measuring tapes is connected with a support, the side edge of each support is connected with a main frame in a sliding manner, two sides of each main frame are respectively provided with a front end clamping rod, one end of each front end clamping rod is connected with one end of each tape far away from the leather measuring tape, the other end of each front end clamping rod is connected with a push-pull frame, two sides of each support are respectively provided with a rear end clamping rod, each tape is arranged between the ends, close to the rear end clamping rods, in a sliding manner, the 2 leather measuring tapes can be respectively attached to two sides of a measured tree trunk under the butt-clamping action of the front end clamping rods and the rear end clamping rods, the measurement in a surrounding manner is formed, only one side of the measured trunk is required to be operated during each measurement, and manual surrounding is not required, thereby more convenient and fast improves measurement efficiency.
Description
Technical Field
The invention relates to the technical field of tree breast height diameter measurement, in particular to a tree breast height diameter measuring device.
Background
The diameter of breast, also called trunk diameter, refers to the diameter of the trunk of arbor at the height of breast from the ground surface, and the average value of the maximum value and the minimum value is measured when the section is deformed. The chest heights of different trees are different, and the chest diameters of different countries are also different. The chest height position of China and most countries is determined to be 1.3 meters above the ground. The tree breast height is one of important measurement indexes of each wood detection ruler in the national forest survey plots, and is also an important parameter for scientific research. Accurate measurement of breast diameter is always one of the difficulties faced by forestry investigators.
The Chinese invention patent (CN 105783694B) discloses an automatic tree breast-height diameter measuring instrument, in particular to an automatic tree breast-height diameter measuring instrument based on a wireless sensor network, and belongs to the technical field of tree measuring tools. The binding belt is a resistance belt, one end of the resistance belt is provided with a fixed node, and the other end of the resistance belt is provided with a movable node; the fixed node is arranged in the fixed node box, and a first buckle is arranged on the side surface of the fixed node box; the movable joint is arranged in the spring pressure box, a second buckle is arranged on the side surface of the spring pressure box, the first buckle and the second buckle are positioned on the same horizontal plane, and the first buckle and the second buckle are connected through a clamping belt; the fixed node and the movable node are respectively connected with a fixed node conducting wire and a movable node conducting wire, and the tail ends of the fixed node and the movable node are sealed in a spring pressure box; the tail ends of the fixed node lead and the movable node lead are curled; and a measurement control unit is arranged in the spring pressure box. The measurement reading is accurate, the efficiency is high, and the safety is good.
In the above patent technology, there are problems as follows:
(1) the measuring device mainly adopts the binding band to surround the trunk for a circle for measurement, and the binding band can not keep a horizontal state when sample wood is measured, so that the measuring error is easy to generate, and a simple and accurate tree breast-height diameter measuring device is urgently needed to be designed.
(2) When the tree chest diameter of measuration is great, when exceeding the maximum length that the staff can encircle, the staff is difficult to directly encircle the bandage the round of trunk, needs two people cooperation just to conveniently operate, and is very troublesome, and leads to measurement inefficiency.
(3) When measuring trees chest diameter, need fix a position the bandage in 1.3 meters eminence, traditional mode need all carry out manual location before measuring at every turn, and is troublesome but inefficiency.
Disclosure of Invention
The present invention is directed to a tree breast diameter measuring device to solve the above problems.
The technical scheme of the invention is as follows: the utility model provides a trees chest diameter measuring device, includes the leather measuring tape, is provided with the chi area in the leather measuring tape, the leather measuring tape is provided with two, and 2 one side of leather measuring tape all is connected with the support, the side sliding connection of support has the body frame, and the both sides of body frame are provided with the front end respectively and hold the clamping bar, and the one end that the leather measuring tape was kept away from to the front end is connected with the chi area, and the other end of front end to the clamping bar is connected with the push-and-pull frame, the both sides of support are provided with the rear end respectively and hold the clamping bar, and the chi area slides and wears to locate between the one end that the rear end is close to the clamping bar mutually.
Preferably, a positioning rod is fixedly arranged in the middle of the leather measuring tape, a rotating ring is sleeved outside the positioning rod in a rotating mode, a spring is connected between the rotating ring and the positioning rod, and the measuring tape is coiled outside the rotating ring;
the leather measuring tape is provided with an angle displacement sensor, and the angle displacement sensor is connected with the rotating ring.
Preferably, the two rear-end clamping rods are arranged, and 2 rear-end clamping rods are symmetrically distributed on two sides of the center line of the bracket;
the rear end is to the clamping bar near the end of the ruler belt for "T" font structure, and the rear end is to the clamping bar for "T" font structure's both ends are provided with the backing roll respectively, backing roll and rear end are to the clamping bar rotation connection, and the ruler belt passes through the backing roll and is connected with the rear end to the clamping bar.
Preferably, the main frame is of a U-shaped structure, two clamping rods are arranged at the front ends of the main frame, and 2 front ends of the main frame are symmetrically arranged on the clamping rods relative to the center line of the main frame;
the front end of the clamping rod comprises a pipe barrel, the middle of the pipe barrel is hinged with the end part of the main frame, one end of the pipe barrel is hinged with one end of the push-pull frame, a movable rod is inserted into the other end of the pipe barrel in a sliding mode, a compression spring is connected between one end, located in the pipe barrel, of the movable rod and the bottom edge of the inner cavity of the pipe barrel, a T-shaped part is arranged at one end, located outside the pipe barrel, of the movable rod, one end of the T-shaped part of the movable rod is connected with a ruler belt, the ruler belt is rotatably connected with one end of the T-shaped part through a pull ring, and the outer wall of one end, close to the pull ring, of the T-shaped part is arc-shaped.
Preferably, the push-pull frame is of a U-shaped structure, two sides of the push-pull frame are respectively and slidably sleeved with a cylinder seat, one side of the cylinder seat is fixedly connected with one side of the main frame, two ends of the push-pull frame are respectively hinged with a transmission rod, and one end of the transmission rod is hinged with one end of the cylinder;
one side of the push-pull frame is connected with a push-pull cylinder, and the push-pull cylinder is arranged on the main frame.
Preferably, one side of the push-pull frame is connected with a push-pull cylinder through a joint clamping rod, one end of the push-pull cylinder is provided with a connector, one side of the connector is provided with a T-shaped groove, the joint clamping rods are provided with two, 2 joint clamping rods are arranged on the push-pull frame in a crossed hinged mode, an arc-shaped spring is connected between one ends of the 2 joint clamping rods, and the other ends of the 2 joint clamping rods are clamped and inserted into the T-shaped groove arranged on one side of the connector.
Preferably, guide rods are respectively arranged on two sides of the main frame, and two sides of the bracket are respectively sleeved on the guide rods in a sliding manner;
one end of the guide rod is fixedly connected with one side of the main frame, the other end of the guide rod is connected with a limiting support block, and the limiting support block is fixedly arranged at one end, close to the pipe barrel, of the main frame.
Preferably, one side that the front end was kept away from to the clamping bar is provided with the handle to the body frame, and the body frame is close to the top intermediate position of handle one side and is provided with the bubble spirit level to one side that the body frame is close to the handle is provided with the display screen.
Preferably, a height measuring rod is arranged at the bottom of one side, close to the handle, of the main frame, and the position of the height measuring rod corresponds to that of the bubble level meter;
the height measuring rod comprises a tube shell, an upper toothed bar and a lower toothed bar are respectively arranged on two sides of an inner cavity of the tube shell in a sliding manner, gears are respectively meshed and connected between the upper toothed bar and the lower toothed bar, a transmission shaft is fixedly penetrated in the middle of each gear, two ends of each transmission shaft are respectively rotatably connected with two sides of the tube shell, one end of each transmission shaft penetrates through the outer wall of the tube shell and is fixedly connected with a worm wheel, one side of each worm wheel is meshed and connected with a worm, one end of each worm is connected with a motor, and the motors are fixedly arranged on the outer wall of the tube shell;
and one sides, close to one end, of the upper toothed bar and the lower toothed bar are respectively provided with a vertical bending part.
Preferably, the end of the upper rack far away from the tube shell is hinged to the main frame, the end of the upper rack close to the main frame is L-shaped, a positioning pin is correspondingly arranged on one side of the end of the upper rack, the side of the positioning pin close to the end of the upper rack is an inclined plane, the positioning pin penetrates through a hole groove in the middle of the shell seat in a sliding mode, the positioning pin is connected with the shell seat through a return spring, and one side of the shell seat is fixedly connected with the main frame.
The invention provides a tree breast diameter measuring device through improvement, compared with the prior art, the tree breast diameter measuring device has the following improvements and advantages:
one is as follows: according to the invention, 2 leather measuring tapes can be used for cooperatively measuring the breast diameter of the trunk, under the butt-clamping action of the front end on the clamping rod and the rear end on the clamping rod, the tape tapes of the 2 leather measuring tapes can be respectively attached to two sides of the trunk to be measured, so that the purpose of surrounding measurement is formed, the tape tapes only need to be operated from one side of the trunk to be measured during each measurement, the front end is matched with the clamping rod and the rear end is matched with the clamping rod so that the tape tapes surround the trunk, the trunk does not need to be manually surrounded, and therefore, the measuring efficiency is improved more conveniently and more rapidly;
the second step is as follows: according to the invention, the tape tapes of 2 leather measuring tapes are clamped by the clamping rods at the front end and the clamping rods at the rear end, and the clamping rods at the front end and the rear end are supported by the main frame and the support, so that an operator can control the horizontal state of the tape tapes only by adjusting the levels of the main frame and the support, and the breast diameter measurement of trees is more accurate;
and thirdly: according to the invention, the T-shaped structure of the rear end on the clamping rod can form a larger supporting surface for the tape, so that the tape is more stably supported by the rear end on the clamping rod, and meanwhile, the sliding friction between the tape and the rear end on the clamping rod can be converted into rolling friction by the supporting roller, so that the tape slides more smoothly and stably in a supported state;
fourthly, the method comprises the following steps: according to the invention, the push-pull frame can enable 2 front ends to rotate towards opposite or opposite directions simultaneously by push-pull movement, when the 2 front ends rotate towards opposite directions simultaneously towards the clamping rods, a embracing action can be formed, one end of the ruler belt is driven to automatically fit with the outer wall of a tree to be measured, the ruler belt surrounds the tree to be measured, the movable rod of the front ends to the clamping rods can stretch out and draw back in the pipe barrel, the movable rod is supported by the compression spring, when the 2 front ends are butted with the clamping rods, the 2 front ends to the clamping rods can be butted more tightly under the elastic force support of the compression spring, gaps between the end parts of the 2 ruler belts are reduced, and the measurement precision is improved;
and fifthly: according to the invention, the push-pull frame and the push-pull cylinder are connected through the joint clamping rod and the connector, so that the push-pull frame and the push-pull cylinder can be conveniently separated and connected, an operator only needs to knead 2 joint clamping rods to enable the push-pull frame and the push-pull cylinder to lose a linkage effect, and the operator can manually operate the push-pull frame to push and pull when the push-pull cylinder is not electrified, so that the use is more flexible;
and the sixth step: according to the invention, the worm can be driven by the motor to rotate, the worm rotates and then drives the worm wheel to rotate, the worm wheel drives the gear to rotate through the transmission shaft, the gear can push the upper rack bar and the lower rack bar to move towards opposite or opposite directions when rotating, the length can be shortened and the gear is convenient to store when the upper rack bar and the lower rack bar move towards opposite directions, the gear can be extended and unfolded when the upper rack bar and the lower rack bar move towards opposite directions, the support height after the extension is 1.3 m, and the measurement height of the main frame is convenient to position;
and the seventh step: in the invention, when the upper rack rotates to be in a vertical state, the L-shaped end of the upper rack can be clamped between the positioning pin and the main frame, so that the upper rack can be quickly and automatically kept fixed after being unfolded, and the device is very convenient.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a top view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at C in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at D in accordance with the present invention;
FIG. 6 is a top view of the internal structure of the leather tape measure of the present invention;
FIG. 7 is a front view of the leather tape measure of the present invention;
FIG. 8 is a front end to clamping bar interior construction elevation view of the present invention;
FIG. 9 is a front view of the height bar of the present invention;
FIG. 10 is an enlarged view of FIG. 1 at E in accordance with the present invention;
FIG. 11 is a front elevation view of the internal structure of the leveling rod of the present invention;
FIG. 12 is a cross-sectional view of a height bar of the present invention;
FIG. 13 is a folded elevational view of the height bar of the present invention;
FIG. 14 is a view of the tape of the present invention initially gripping a trunk;
FIG. 15 is a view of the tape of the present invention in its initial state.
Description of reference numerals: 1. the device comprises a front-end clamping rod, a 110, a movable rod, a 120, a pipe barrel, a 130, a compression spring, a 2, a guide rod, a 3, a rear-end clamping rod, a 31, a support roller, a 4, a leather measuring tape, a 41, a measuring tape, a 42, a pull ring, a 43, a swivel, a 44, a spiral spring, a 45, a positioning rod, a 5, a main frame, a 6, an angle displacement sensor, a 7, a support, a 8, a push-pull frame, a 81, a transmission rod, a 9, a handle, a 10, a barrel seat, a 11, a display screen, a 12, a bubble level gauge, a 13, a limit support block, a 14, a push-pull cylinder, a 141, a connector, a 15, a joint clamping rod, a 151, an arc spring, a 16, a height measuring rod, a 161, an upper toothed rod, a 162, a lower toothed rod, a 163, a gear, a 164, a motor, a 165, a worm gear, a 166, a worm, a 167, a transmission shaft, a 168, a pipe shell, a 17, a positioning pin, a 171, a shell seat, a 172 and a return spring.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a tree breast diameter measuring device through improvement, and the technical scheme of the invention is as follows:
the first embodiment is as follows:
as shown in fig. 1-15, a tree breast diameter measuring device comprises two leather measuring tapes 4, a tape 41 is arranged in each leather measuring tape 4, two leather measuring tapes 4 are arranged, a support 7 is connected to each of 2 leather measuring tapes 4, a main frame 5 is connected to the side edge of each support 7 in a sliding manner, front-end clamping rods 1 are arranged on two sides of each main frame 5 respectively, one ends of the front-end clamping rods 1 are connected with one ends of the tape 41 far away from the leather measuring tapes 4, the other ends of the front-end clamping rods 1 are connected with a push-pull frame 8, rear-end clamping rods 3 are arranged on two sides of each support 7 respectively, and the tape 41 is slidably arranged between the ends, close to the clamping rods 3, of the rear ends.
The 2 leather measuring tapes 4 can be used for cooperatively measuring the breast diameter of the trunk, under the butt-clamping action of the front end on the clamping rod 1 and the rear end on the clamping rod 3, the tape tapes 41 of the 2 leather measuring tapes 4 can be respectively attached to two sides of the trunk to be measured to form the purpose of encircling measurement, only one side of the trunk to be measured is needed to operate during each measurement, the front end is matched with the clamping rod 1 and the rear end on the clamping rod 3 to enable the tape tapes 41 to encircle the trunk, manual encircling of the trunk is not needed, and therefore convenience and rapidness are achieved, and the measuring efficiency is improved;
the clamping rod 1 and the clamping rod 3 are oppositely clamped on the tape 41 of the 2 leather measuring tapes 4 through the front end, and the clamping rod 1 and the clamping rod 3 are supported by the main frame 5 and the support 7 through the front end, so that an operator only needs to adjust the levels of the main frame 5 and the support 7, the horizontal state of the tape 41 can be controlled, and the tree breast diameter measurement is more accurate.
The main frame 5 is of a U-shaped structure, two clamping rods 1 are arranged at the front ends, and 2 front ends are symmetrically arranged on the clamping rods 1 relative to the center line of the main frame 5;
the front end clamp rod 1 comprises a pipe barrel 120, the middle part of the pipe barrel 120 is hinged with the end part of a main frame 5, one end of the pipe barrel 120 is hinged with one end of a push-pull frame 8, a movable rod 110 is inserted into the other end of the pipe barrel 120 in a sliding manner, a compression spring 130 is connected between one end, located in the pipe barrel 120, of the movable rod 110 and the bottom edge of the inner cavity of the pipe barrel 120, a T-shaped part is arranged at one end, located outside the pipe barrel 120, of the movable rod 110, one end of the T-shaped part of the movable rod 110 is connected with a ruler tape 41, the ruler tape 41 is rotatably connected with one end of the T-shaped part through a pull ring 42, and the outer wall of one end, close to the pull ring 42, of the T-shaped part is arc-shaped; the push-pull frame 8 can enable 2 front ends to rotate towards opposite directions or opposite directions simultaneously relative to the clamping rod 1 through push-pull movement, when the 2 front ends rotate towards opposite directions simultaneously relative to the clamping rod 1, a embracing action can be formed, one end of the ruler belt 41 is driven to be automatically attached to the outer wall of a tree to be measured, the ruler belt 41 surrounds the tree to be measured, the movable rod 110 of the front ends to the clamping rod 1 can stretch in the pipe barrel 120, the movable rod 110 is supported by the compression spring 130, when the 2 front ends are butted to the clamping rod 1, the movable rods 110 of the 2 front ends to the clamping rod 1 can be butted more tightly under the elastic force of the compression spring 130, gaps among the end parts of the 2 ruler belts 41 are reduced, and measuring accuracy is improved.
The push-pull frame 8 is of a U-shaped structure, two sides of the push-pull frame 8 are respectively and slidably sleeved with a cylinder seat 10, one side of the cylinder seat 10 is fixedly connected with one side of the main frame 5, two ends of the push-pull frame 8 are respectively hinged with a transmission rod 81, and one end of the transmission rod 81 is hinged with one end of the cylinder 120;
one side of the push-pull frame 8 is connected with a push-pull cylinder 14, the push-pull cylinder 14 can be an electric cylinder, and the push-pull cylinder 14 is arranged on the main frame 5; the push-pull frame 8 is pushed and pulled through the expansion of the push-pull cylinder 14, the push-pull frame 8 can be automatically pushed and pulled more conveniently, and the U-shaped structure of the push-pull frame 8 is matched with the structure of the main frame 5, so that the push-pull frame 8 is stressed uniformly, the push-pull movement is more stable, and the purpose of improving the precision is achieved.
One side of the push-pull frame 8 is connected with a push-pull cylinder 14 through a joint clamping rod 15, one end of the push-pull cylinder 14 is provided with a connector 141, one side of the connector 141 is provided with a T-shaped groove, the joint clamping rod 15 is provided with two pieces, 2 joint clamping rods 15 are arranged on the push-pull frame 8 in a crossed hinged mode, an arc-shaped spring 151 is connected between one ends of the 2 joint clamping rods 15, and the other ends of the 2 joint clamping rods 15 are clamped and inserted into the T-shaped groove in one side of the connector 141; the push-pull frame 8 is connected with the push-pull cylinder 14 through the joint clamping rod 15 and the connector 141, so that the push-pull frame 8 can be conveniently separated from and connected with the push-pull cylinder 14, an operator only needs to knead one end of the 2 joint clamping rods 15 connected with the arc-shaped spring 151, so that one ends of the 2 joint clamping rods 15, which are positioned in the T-shaped grooves of the connector 141, can rotate to be close to each other under the action of a lever, the 2 joint clamping rods 15 and the T-shaped grooves of the connector 141 lose the clamping effect, then the 2 joint clamping rods 15 can be pulled out from the T-shaped grooves of the connector 141, the push-pull frame 8 and the push-pull cylinder 14 lose the linkage effect, and the operator can manually operate the push-pull frame 8 to push and pull when the push-pull cylinder 14 is powered off, and the use is more flexible.
one end of the guide rod 2 is fixedly connected with one side of the main frame 5, the other end of the guide rod 2 is connected with a limiting support block 13, and the limiting support block 13 is fixedly arranged at one end, close to the pipe barrel 120, of the main frame 5; the support 7 can slide along the guide rod 2, is more stable, and the position of the limiting support block 13 supporting the guide rod 2 corresponds to that of the pipe barrel 120, can limit the rotation of the pipe barrel 120, and can not rotate after the pipe barrel 120 rotates by a certain angle, so that the positioning purpose is achieved.
A handle 9 is arranged on one side, far away from the front end, of the main frame 5 to the clamping rod 1, a bubble level meter 12 is arranged in the middle of the top of one side, close to the handle 9, of the main frame 5, and a display screen 11 is arranged on one side, close to the handle 9, of the main frame 5; display screen 11 is connected with the singlechip, and the model of singlechip is C8051F020, and the singlechip acquires angle displacement sensor 6's number of turns and angle data, obtains the extension length of chi area 41 after calculating, then turns into trunk chest diameter data display on display screen 11, and concrete calculation method is: when the measuring tape 41 extends out of the leather measuring tape 4 to the position of the supporting roller 31 of the back end pair clamping rod 3, the extending length of the measuring tape 41 is set to be 0, the length of the measuring tape 41 extending out of the position of the supporting roller 31 is taken as the measuring length, the measuring lengths of 2 measuring tapes 41 are added, then the distance between the 2 back end pairs of the supporting rollers 31 on the clamping rod 3 is added, and the distance between the 2 front end pairs of the connecting points of the clamping rod 1 and the pull ring 42 is added, namely the distance is equal to the measured chest diameter of the trunk.
The bottom of the main frame 5 close to one side of the handle 9 is provided with a height measuring rod 16, and the position of the height measuring rod 16 corresponds to the position of the bubble level gauge 12; the height measuring rod 16 is longitudinally aligned with the bubble level 12, and whether the height measuring rod 16 is in a vertical state is judged by observing whether bubbles of the bubble level 12 are in a central state;
the height measuring rod 16 comprises a pipe shell 168, an upper toothed bar 161 and a lower toothed bar 162 are respectively arranged on two sides of an inner cavity of the pipe shell 168 in a sliding manner, gears 163 are respectively connected between the upper toothed bar 161 and the lower toothed bar 162 in a meshing manner, a transmission shaft 167 is fixedly arranged in the middle of each gear 163 in a penetrating manner, two ends of each transmission shaft 167 are respectively connected with two sides of the pipe shell 168 in a rotating manner, one end of each transmission shaft 167 penetrates through the outer wall of the pipe shell 168 and is fixedly connected with a worm wheel 165, one side of each worm wheel 165 is connected with a worm 166 in a meshing manner, one end of each worm 166 is connected with a motor 164, and the motors 164 are fixedly arranged on the outer wall of the pipe shell 168; the worm 166 can be driven by the motor 164 to rotate, the worm 166 drives the worm wheel 165 to rotate after rotating, the worm wheel 165 drives the gear 163 to rotate through the transmission shaft 167, the gear 163 can push the upper rack 161 and the lower rack 162 to move towards opposite or opposite directions when rotating, when the upper rack 161 and the lower rack 162 move towards opposite directions, the length can be shortened and the storage is convenient, and when the upper rack 161 and the lower rack 162 move towards opposite directions, the extension can be realized, the support height after the extension is 1.3 meters, and the positioning of the measurement height of the main frame 5 is convenient;
one sides, close to one ends, of the upper toothed bar 161 and the lower toothed bar 162 are respectively provided with a vertical bending part; this structure can prevent the upper rack 161 and the lower rack 162 from being excessively extended, and plays a role in limiting.
One end, far away from the pipe shell 168, of the upper toothed bar 161 is hinged to the main frame 5, one end, close to the main frame 5, of the upper toothed bar 161 is in an L shape, one side of one end, close to the L shape, of the upper toothed bar 161 is correspondingly provided with a positioning pin 17, one side, close to one end of the upper toothed bar 161, of the positioning pin 17 is an inclined surface, the positioning pin 17 is slidably arranged in a hole groove in the middle of the shell seat 171, the positioning pin 17 is connected with the shell seat 171 through a return spring 172, and one side of the shell seat 171 is fixedly connected with the main frame 5; when the upper rack 161 rotates to be vertical, the L-shaped end of the upper rack 161 can be clamped between the positioning pin 17 and the main frame 5, so that the upper rack 161 can be rapidly and automatically kept fixed after being unfolded, which is very convenient.
Example two:
as shown in fig. 1-15, a tree breast diameter measuring device comprises two leather measuring tapes 4, a tape 41 is arranged in each leather measuring tape 4, two leather measuring tapes 4 are arranged, a support 7 is connected to each of 2 leather measuring tapes 4, a main frame 5 is connected to the side edge of each support 7 in a sliding manner, front-end clamping rods 1 are arranged on two sides of each main frame 5 respectively, one ends of the front-end clamping rods 1 are connected with one ends of the tape 41 far away from the leather measuring tapes 4, the other ends of the front-end clamping rods 1 are connected with a push-pull frame 8, rear-end clamping rods 3 are arranged on two sides of each support 7 respectively, and the tape 41 is slidably arranged between the ends, close to the clamping rods 3, of the rear ends.
The 2 leather measuring tapes 4 can be used for cooperatively measuring the breast diameter of the trunk, under the butt-clamping action of the front end on the clamping rod 1 and the rear end on the clamping rod 3, the tape tapes 41 of the 2 leather measuring tapes 4 can be respectively attached to two sides of the trunk to be measured to form the purpose of encircling measurement, only one side of the trunk to be measured is needed to operate during each measurement, the front end is matched with the clamping rod 1 and the rear end on the clamping rod 3 to enable the tape tapes 41 to encircle the trunk, manual encircling of the trunk is not needed, and therefore convenience and rapidness are achieved, and the measuring efficiency is improved;
the clamping rod 1 and the clamping rod 3 are oppositely clamped on the tape 41 of the 2 leather measuring tapes 4 through the front end, and the clamping rod 1 and the clamping rod 3 are supported by the main frame 5 and the support 7 through the front end, so that an operator only needs to adjust the levels of the main frame 5 and the support 7, the horizontal state of the tape 41 can be controlled, and the tree breast diameter measurement is more accurate.
A positioning rod 45 is fixedly arranged in the middle of the leather measuring tape 4, a rotating ring 43 is rotatably sleeved outside the positioning rod 45, a spring 44 is connected between the rotating ring 43 and the positioning rod 45, and the measuring tape 41 is wound outside the rotating ring 43; the clockwork spring 44 can provide rotating elastic force for the rotating ring 43, so that the rotating ring 43 has elastic force for automatically winding the tape 41;
the leather measuring tape 4 is provided with an angle displacement sensor 6, the type of the angle displacement sensor 6 can be SP2801, SP2821 and SP2841, and the angle displacement sensor 6 is connected with a rotating ring 43; the angular displacement sensor 6 is used for recording the number of turns and the angle of the rotating ring 43 on the leather measuring tape 4, the number of turns and the angle of the rotating ring 43 are opposite when the measuring tape 41 is stretched for a certain length, the extending length of the measuring tape 41 can be calculated by calculating the number of turns and the angle of the rotating ring 43, and then the breast diameter of the measured sample wood can be measured.
The two rear ends of the two clamping rods 3 are symmetrically distributed on the two sides of the central line of the bracket 7 relative to the two clamping rods 3;
one end of the rear-end clamping rod 3 close to the tape 41 is of a T-shaped structure, two ends of the T-shaped structure of the rear-end clamping rod 3 are respectively provided with a supporting roller 31, the supporting roller 31 is rotatably connected with the rear-end clamping rod 3, the tape 41 is connected with the rear-end clamping rod 3 through the supporting roller 31, the width of the tape 41 is larger than the length of the supporting roller 31, the tape 41 cannot be completely shielded by the supporting roller 31, and the stretching length of the tape 41 can be checked by operator liquid with naked eyes; the T-shaped structure of the clamping rod 3 at the rear end can form a larger supporting surface for the tape 41, so that the tape 41 can be supported more stably by the clamping rod 3 at the rear end, and meanwhile, the supporting roller 31 can convert the sliding friction between the tape 41 and the clamping rod 3 at the rear end into rolling friction, so that the tape 41 can slide more smoothly and stably in a supported state.
The difference between the second embodiment and the first embodiment is that the leather measuring tape 4 can automatically measure and calculate the number of rotation turns through the angular displacement sensor 6 when being wound or unwound, and the back end of the supporting roller 31 can support the tape 41 more smoothly and smoothly through the clamping rod 3.
The working principle is as follows: in an initial state, the ruler tapes 41 are distributed on the main frame 5 in a V shape, as shown in fig. 15, an operator holds the handle 9 by hand to enable the ruler tapes 41 at the front end of the main frame 5 to be preliminarily clamped at two sides of a trunk to be measured, as shown in fig. 14, and enables the height measuring rod 16 to rotate and expand to be perpendicular to the main frame at 90 degrees, so that the lower toothed bar 162 at the bottom of the height measuring rod 16 is abutted against the ground, and whether the height measuring rod 16 is in a perpendicular state is judged by observing whether bubbles of the bubble level 12 are in a central state;
then the push-pull cylinder 14 is started to contract again, the push-pull frame 8 is pulled to move towards the front end of the main frame 5, so that one end of the clamping rod 1 at the front end is pushed forwards to rotate, 2 ends of the clamping rod 1 at which the movable rods 110 are arranged rotate towards opposite directions synchronously, when the clamping rod 1 rotates towards opposite directions simultaneously at the front ends of 2, a embracing action can be formed, one end of the ruler belt 41 is driven to prop against the outer wall of the tree to be measured, then an operator manually pushes the support 7 towards the trunk direction, and the end of the front side of the support 7, which is close to the clamping rod 1, also props against the outer wall of the tree to be measured, so that 2 ruler belts 41 encircle the tree to be measured;
when the tape 41 extends out of the leather measuring tape 4, the rotating ring 43 can be pulled to rotate, the angular displacement sensor 6 can record the rotating circles and angles of the rotating ring 43, the rotating circles and angles of the rotating ring 43 are opposite when the tape 41 stretches for a certain length, the extending length of the tape 41 can be calculated by calculating the rotating circles and angles of the rotating ring 43, further, the breast diameter of the measured sample wood can be measured, the position, from the moment that the tape 41 extends out of the leather measuring tape 4 to the back-up roller 31 of the back-end clamping rod 3, of the tape 41 exceeds the back-up roller 31 is taken as the measuring length, the measuring lengths of 2 tapes 41 are added, then the distance between the back-end clamping rod 3 and the support roller 31 is added, the distance between the front-end clamping rod 1 and the pull ring 42 is added, namely, the breast diameter of the trunk is equal to be measured, only one side of the measured tree trunk is required to be operated during each measurement, make chi area 41 encircle the trunk by front end to clamping bar 1 and the cooperation of rear end to clamping bar 3, need not the manual work and encircle the trunk, thereby convenient and fast more, improve measurement of efficiency and carry out the butt clamp to the chi area 41 of 2 leather measuring tape 4 through front end to clamping bar 1 and rear end to clamping bar 3, and front end to clamping bar 1 and rear end to clamping bar 3 are supported by body frame 5 and support 7 again, make the operator only need adjust the level of body frame 5 and support 7, just can control the horizontality of chi area 41, let trees chest footpath measure more accurately.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a trees chest footpath measuring device, includes leather measuring tape (4), is provided with tape (41) in leather measuring tape (4), its characterized in that: the leather measuring tape comprises two leather measuring tapes (4), wherein one side of each of the 2 leather measuring tapes (4) is connected with a support (7), the side edge of each support (7) is connected with a main frame (5) in a sliding mode, the two sides of each main frame (5) are respectively provided with a front end clamping rod (1), one end of each front end clamping rod (1) is connected with one end, far away from the leather measuring tape (4), of a tape belt (41), the other end of each front end clamping rod (1) is connected with a push-pull frame (8), the two sides of each support (7) are respectively provided with a rear end clamping rod (3), and the tape belts (41) are arranged between the ends, close to the clamping rods (3), in a sliding mode;
the main frame (5) is of a U-shaped structure, two clamping rods (1) are arranged at the front ends, and 2 front ends are symmetrically arranged on the clamping rods (1) relative to the central line of the main frame (5);
the front end is hinged to the clamping rod (1) and comprises a pipe barrel (120), the middle of the pipe barrel (120) is hinged to the end portion of the main frame (5), one end of the pipe barrel (120) is hinged to one end of the push-pull frame (8), a movable rod (110) is inserted into the other end of the pipe barrel (120) in a sliding mode, a compression spring (130) is connected between one end, located in the pipe barrel (120), of the movable rod (110) and the bottom edge of the inner cavity of the pipe barrel (120), a T-shaped portion is arranged at one end, located outside the pipe barrel (120), of the movable rod (110), one end of the T-shaped portion of the movable rod (110) is connected with a ruler tape (41), the ruler tape (41) is connected with one end of the T-shaped portion in a rotating mode through a pull ring (42), and the outer wall of one end, close to the pull ring (42), of the T-shaped portion is arc-shaped.
2. The tree breast diameter measuring device of claim 1, wherein: a positioning rod (45) is fixedly arranged in the middle of the leather measuring tape (4), a rotating ring (43) is rotatably sleeved outside the positioning rod (45), a spring (44) is connected between the rotating ring (43) and the positioning rod (45), and the measuring tape (41) is wound outside the rotating ring (43);
an angle displacement sensor (6) is arranged on the leather measuring tape (4), and the angle displacement sensor (6) is connected with the rotating ring (43).
3. The tree breast diameter measuring device of claim 1, wherein: the two rear ends of the two clamping rods (3) are symmetrically distributed on the two sides of the center line of the bracket (7) relative to the two clamping rods (3);
the rear end is to the one end that clamping bar (3) is close to chi area (41) for "T" font structure, and the rear end is to the both ends of "T" font structure of clamping bar (3) and is provided with backing roll (31) respectively, and backing roll (31) and rear end are to clamping bar (3) rotation connection, and chi area (41) are connected with rear end through backing roll (31) and clamping bar (3).
4. The tree breast diameter measuring device of claim 1, wherein: the U-shaped push-pull frame (8) is of a U-shaped structure, two sides of the push-pull frame (8) are respectively sleeved with a cylinder seat (10) in a sliding mode, one side of the cylinder seat (10) is fixedly connected with one side of the main frame (5), two ends of the push-pull frame (8) are respectively hinged with a transmission rod (81), and one end of the transmission rod (81) is hinged with one end of a cylinder (120);
one side of the push-pull frame (8) is connected with a push-pull cylinder (14), and the push-pull cylinder (14) is arranged on the main frame (5).
5. The tree breast diameter measuring device of claim 4, wherein: one side of the push-pull frame (8) is connected with a push-pull cylinder (14) through a joint clamping rod (15), one end of the push-pull cylinder (14) is provided with a connector (141), one side of the connector (141) is provided with a T-shaped groove, the joint clamping rod (15) is provided with two pieces, 2 joint clamping rods (15) are arranged on the push-pull frame (8) in a crossed hinged mode, an arc-shaped spring (151) is connected between one ends of the 2 joint clamping rods (15), and the other end of each joint clamping rod (15) is clamped and inserted into the T-shaped groove in one side of the connector (141).
6. The tree breast diameter measuring device of claim 1, wherein: guide rods (2) are respectively arranged on two sides of the main frame (5), and two sides of the bracket (7) are respectively sleeved on the guide rods (2) in a sliding manner;
one end of the guide rod (2) is fixedly connected with one side of the main frame (5), the other end of the guide rod (2) is connected with a limiting support block (13), and the limiting support block (13) is fixedly arranged at one end, close to the pipe barrel (120), of the main frame (5).
7. The tree breast diameter measuring device of claim 1, wherein: one side of the main frame (5) far away from the front end and opposite to the clamping rod (1) is provided with a handle (9), a bubble level meter (12) is arranged at the middle position of the top of the main frame (5) close to one side of the handle (9), and a display screen (11) is arranged at one side of the main frame (5) close to the handle (9).
8. The tree breast diameter measuring device of claim 7, wherein: a height measuring rod (16) is arranged at the bottom of one side, close to the handle (9), of the main frame (5), and the position of the height measuring rod (16) corresponds to the position of the bubble level meter (12);
the height measuring rod (16) comprises a pipe shell (168), an upper rack bar (161) and a lower rack bar (162) are arranged on two sides of an inner cavity of the pipe shell (168) in a sliding mode respectively, gears (163) are connected between the upper rack bar (161) and the lower rack bar (162) in a meshing mode, a transmission shaft (167) is fixedly arranged in the middle of each gear (163) in a penetrating mode, two ends of the transmission shaft (167) are respectively connected with two sides of the pipe shell (168) in a rotating mode, one end of the transmission shaft (167) penetrates through the outer wall of the pipe shell (168) and is fixedly connected with a worm wheel (165), one side of the worm wheel (165) is connected with a worm (166) in a meshing mode, one end of the worm (166) is connected with a motor (164), and the motor (164) is fixedly arranged on the outer wall of the pipe shell (168);
and one sides, close to one end, of the upper toothed bar (161) and the lower toothed bar (162) are respectively provided with a vertical bending part.
9. The tree breast diameter measuring device of claim 8, wherein: one end, far away from the pipe shell (168), of the upper rack (161) is hinged to the main frame (5), one end, close to the main frame (5), of the upper rack (161) is L-shaped, one side of one end, close to the main frame (5), of the upper rack (161) is correspondingly provided with a positioning pin (17), one side, close to one end of the upper rack (161), of the positioning pin (17) is an inclined surface, the positioning pin (17) penetrates through a hole groove in the middle of the shell seat (171) in a sliding mode, the positioning pin (17) is connected with the shell seat (171) through a return spring (172), and one side of the shell seat (171) is fixedly connected with the main frame (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111514462.1A CN113899286B (en) | 2021-12-13 | 2021-12-13 | Tree breast diameter measuring device |
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| CN202111514462.1A CN113899286B (en) | 2021-12-13 | 2021-12-13 | Tree breast diameter measuring device |
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| CN117629088B (en) * | 2024-01-26 | 2024-04-12 | 国家海洋局海口海洋环境监测中心站 | Portable tree diameter laser automatic measuring device |
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| CN105783694A (en) * | 2016-04-22 | 2016-07-20 | 无锡职业技术学院 | Tree diameter at breast height automatic measurer |
| CN209877843U (en) * | 2019-04-24 | 2019-12-31 | 南京林业大学 | Tool ruler capable of simultaneously measuring breast height and crown width of tree |
| CN212692719U (en) * | 2020-08-01 | 2021-03-12 | 王贵瑕 | Forestry is with trees chest footpath measuring device |
| CN113418433A (en) * | 2021-05-21 | 2021-09-21 | 浙江农林大学 | Device and method for measuring tree breast diameter by straight rod type geometric method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101010184B1 (en) * | 2009-12-11 | 2011-01-21 | 박세범 | Portable measuring instrument |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783694A (en) * | 2016-04-22 | 2016-07-20 | 无锡职业技术学院 | Tree diameter at breast height automatic measurer |
| CN209877843U (en) * | 2019-04-24 | 2019-12-31 | 南京林业大学 | Tool ruler capable of simultaneously measuring breast height and crown width of tree |
| CN212692719U (en) * | 2020-08-01 | 2021-03-12 | 王贵瑕 | Forestry is with trees chest footpath measuring device |
| CN113418433A (en) * | 2021-05-21 | 2021-09-21 | 浙江农林大学 | Device and method for measuring tree breast diameter by straight rod type geometric method |
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