CN217900710U - Tree breast diameter measurement assistor - Google Patents
Tree breast diameter measurement assistor Download PDFInfo
- Publication number
- CN217900710U CN217900710U CN202222347157.4U CN202222347157U CN217900710U CN 217900710 U CN217900710 U CN 217900710U CN 202222347157 U CN202222347157 U CN 202222347157U CN 217900710 U CN217900710 U CN 217900710U
- Authority
- CN
- China
- Prior art keywords
- arc
- sliding
- tree
- fixed
- tree breast
- 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.)
- Active
Links
Images
Abstract
An embodiment of the utility model provides a tree chest diameter measures assistor relates to forest measurement field. This assistor is measured to tree breast-height diameter includes fixed arc, slip arc, telescopic link and measuring part, slip arc slidable ground is connected in fixed arc, fixed arc is used for jointly blocking with slip arc and locates the tree-height diameter, the telescopic link is connected with fixed arc, the telescopic link is used for driving fixed arc and carries out the elevating movement, measuring part is connected with fixed arc and slip arc simultaneously, the measuring part is used for measuring under the condition that the tree-height diameter was located to slip arc and fixed arc card. This assistor is measured to tree breast-height when using, the telescopic link will fix the arc with slip arc and fix the height in 1.3m department, then fixed arc card is established on the bark surface, removes slip arc and makes slip arc and fixed arc form closed ring shape, and slip arc drives the measurement of measuring part around the removal of tree breast-height simultaneously.
Description
Technical Field
The utility model relates to a forest measures the field, particularly, relates to a tree chest diameter measures assistor.
Background
In the world of China, measurement and statistics of forest resources, particularly accurate acquisition of tree growth information, are commonly expected by forestry researchers and forest investigators, wherein the breast-height diameter of a tree is an important basis for evaluating the field quality and the growth condition of the forest and is one of the most basic factors of forest investigation. The breast height of a tree generally refers to the diameter of the tree at a position of 1.3m according to roots, most of the conventional measurement modes are that the breast height is measured by manually utilizing branches of 1.3m which are locally obtained and combining with tools such as calipers, girths, tape gauges and the like, when the large-scale forest is faced, a single person hardly realizes the measurement of the breast height, and the measurement is completed by combining two persons under the common condition.
Most of trees are not traditional cylinders, and the bark with different growth thicknesses on the surface of the trees causes uneven tree surfaces, so that the breast diameter and the tree circumference measured by the tree breast diameter measuring device in the prior art have large errors.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tree breast diameter measures assistor, its error that can reduce tree breast diameter and measure numerical value improves measurement accuracy.
The embodiment of the utility model discloses a can realize like this:
an embodiment of the utility model provides a tree chest diameter measures assistor, it includes:
fixing the arc-shaped piece;
the sliding arc-shaped part is connected to the fixed arc-shaped part in a sliding manner, and the fixed arc-shaped part and the sliding arc-shaped part are clamped on the tree diameter together;
the telescopic rod is connected with the fixed arc-shaped piece and is used for driving the fixed arc-shaped piece to perform lifting motion;
the measuring part, the measuring part simultaneously with fixed arc with the slip arc is connected, the measuring part is used for the slip arc with fixed arc card is located measure under the condition of tree footpath.
Optionally, the measuring part includes tape and display, the display set up in fixed arc spare, the display is used for showing the measurement numerical value of tape, the tape has stiff end and expansion end, the stiff end set up in fixed arc spare, the expansion end passes in proper order fixed arc spare with slip arc spare, and with the end connection of slip arc spare.
Optionally, the tree breast diameter measurement assistor further comprises a driving wheel, the driving wheel is connected with the end of the sliding arc-shaped part, the movable end of the flexible rule sequentially penetrates through the fixed arc-shaped part and the sliding arc-shaped part and then is fixed with the driving wheel, and the driving wheel is used for sliding on the surface of the bark.
Optionally, the quantity of slip arc spare is a plurality of, a plurality of slip arc spares connect gradually, just a plurality of slip arc spares all with fixed arc spare slidable connects.
Optionally, the tree breast diameter measurement assistor further comprises a hinge and a torsion spring, the adjacent two sliding arc-shaped pieces are connected through the hinge, and the hinge is sleeved with the torsion spring.
Optionally, the number of sliding arcs is three.
Optionally, the fixed arc-shaped member is provided with a sliding groove, and the plurality of sliding arc-shaped members are slidably disposed in the sliding groove.
Optionally, the tree breast diameter measurement assistor further comprises a transmission part, the transmission part is attached to the surface of the sliding arc-shaped part, and the transmission part is used for friction extrusion of the sliding arc-shaped part, so that the sliding arc-shaped part slides out of the sliding groove.
Optionally, the tree breast diameter measurement aid further comprises a handle connected with the fixed arc.
Optionally, the handle is located on the same horizontal plane as the securing arc.
The utility model discloses supplementary ware is measured to tree breast diameter's beneficial effect includes, for example:
this assistor is measured to tree breast-height footpath includes fixed arc spare, slip arc spare, telescopic link and measuring part, slip arc spare slidable ground is connected in fixed arc spare, fixed arc spare and slip arc spare are used for jointly blocking locates the tree footpath, the telescopic link is connected with fixed arc spare, the telescopic link is used for driving fixed arc spare and carries out elevating movement, the measuring part is connected with fixed arc spare and slip arc spare simultaneously, the measuring part is used for measuring under the condition that the tree footpath was located to slip arc spare and fixed arc spare card. This assistor is measured to tree breast-height when using, the telescopic link will fix the arc with slip arc and fix the height in 1.3m department, then fixed arc card is established on the bark surface, removes slip arc and makes slip arc and fixed arc form closed ring shape, and slip arc drives the measurement of measuring part around the removal of tree breast-height simultaneously. This tree breast height diameter measures assistor can reduce the error of tree breast height diameter measurement value, improves measurement accuracy, and single can accomplish the measurement operation simultaneously, has reduced human error.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and it is also possible for those skilled in the art to obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first view angle of a tree breast diameter measurement aid provided in this embodiment;
fig. 2 is a schematic structural diagram of a second view angle of the tree breast diameter measurement aid provided in this embodiment;
fig. 3 is a schematic structural diagram of a third viewing angle of the tree diameter measurement assisting device provided in this embodiment.
Icon: 10-fixing the arc-shaped piece; 11-a sliding groove; 12-a friction extrusion groove; 20-sliding arc-shaped pieces; 30-a telescopic rod; 40-a measuring member; 41-flexible rule; 42-a display; 50-driving wheels; 60-a hinge; 70-a transmission member; 80-a handle; 100-tree breast diameter measurement assistor.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In the world of China, measurement and statistics of forest resources, particularly accurate acquisition of tree growth information, are commonly expected by forestry researchers and forest investigators, wherein the breast-height diameter of a tree is an important basis for evaluating the field quality and the growth condition of the forest and is one of the most basic factors of forest investigation. The breast height of a tree generally refers to the diameter of the tree at a position of 1.3m according to roots, most of the conventional measurement modes are that the breast height is measured by manually utilizing branches of 1.3m which are locally obtained and combining with tools such as calipers, girths, tape gauges and the like, when the large-scale forest is faced, a single person hardly realizes the measurement of the breast height, and the measurement is completed by combining two persons under the common condition.
Most of trees are not traditional cylinders, and the bark with different growth thicknesses on the surface of the trees causes uneven tree surfaces, so that the breast diameter and the tree circumference measured by the tree breast diameter measuring device in the prior art have large errors.
Referring to fig. 1-3, the present embodiment provides an auxiliary device 100 for measuring the diameter of breast of a tree, which can effectively solve the above-mentioned technical problems, reduce the error of the measured value of the diameter of breast of the tree, and improve the measurement accuracy.
Please refer to fig. 1 and fig. 2, the present embodiment provides a tree breast diameter measurement assisting device 100, which includes a fixed arc-shaped part 10, a sliding arc-shaped part 20, a telescopic rod 30 and a measuring part 40, wherein the sliding arc-shaped part 20 is slidably connected to the fixed arc-shaped part 10, the fixed arc-shaped part 10 and the sliding arc-shaped part 20 are configured to be clamped to a tree diameter together, the telescopic rod 30 is connected to the fixed arc-shaped part 10, the telescopic rod 30 is configured to drive the fixed arc-shaped part 10 to perform a lifting motion, the measuring part 40 is simultaneously connected to the fixed arc-shaped part 10 and the sliding arc-shaped part 20, and the measuring part 40 is configured to measure under a condition that the sliding arc-shaped part 20 and the fixed arc-shaped part 10 are clamped to the tree diameter.
Specifically, the tree breast-height diameter among the prior art measures mostly and all adopts angle sensor's slide caliper rule instrument to measure, long arm that can open through both sides, trilateral whole tree diameter of blocking, convert into circular numerical value through series and draw the breast-height diameter of approximate columniform trees, but most trees are not traditional cylinder, the bark that the surface exists that growth thickness differs causes unevenness's tree surface, breast-height diameter and the tree girth that this kind of mode was measured out, there is very big error, it is the case that the trees are irregular shapes such as ellipsoid to meet, the data error that this kind of measured is still big than artifical tape, this kind of measuring method is better to the measurement suitability of regular cylinder forest, but the forest of regular shape still is few. In order to solve the technical problem, when the auxiliary device 100 for measuring the diameter of the tree breast provided by this embodiment is used, the telescopic rod 30 is firstly extended to a height of 1.3m, then the fixed arc-shaped member 10 is abutted against the trunk of the tree, and the sliding arc-shaped member 20 is moved, so that the sliding arc-shaped member 20 and the fixed arc-shaped member 10 form a closed ring, and meanwhile, the sliding arc-shaped member 20 drives the measuring member 40 to move around the diameter of the tree to measure the diameter of the tree breast. This tree breast-height diameter measures assistor 100 can reduce the error of tree breast-height diameter measurement numerical value, improves measurement accuracy, and single can accomplish the measurement operation simultaneously, has reduced because many people measure the probability of the human error that leads to.
In this embodiment, the measuring part 40 includes a flexible rule 41 and a display 42, the display 42 is disposed on the fixed arc 10, the display 42 is used for displaying the measured value of the flexible rule 41, the flexible rule 41 has a fixed end and a movable end, the fixed end is disposed on the fixed arc 10, and the movable end sequentially passes through the fixed arc 10 and the sliding arc 20 and is connected with the end of the sliding arc 20.
In this embodiment, the measuring member 40 is a digital tape. Specifically, the movable end of the flexible rule 41 is connected to the end of the sliding arc-shaped part 20, then the contraction part in the middle of the digital display flexible rule is pressed down, the flexible rule 41 is automatically locked and close to the surface of the tree, and the magnetic flux sensor only has a single chip microcomputer to display the tree breast-height diameter measurement data on a digital display screen, so that the measurement operation is completed.
The surface of the fixed arc-shaped piece 10 is provided with a limiting groove, and the movable end of the flexible rule 41 passes through the limiting groove and then is connected with the end part of the sliding arc-shaped piece 20.
It should be further noted that the tree breast diameter measurement auxiliary device 100 further includes a driving wheel 50, the driving wheel 50 is connected with the end of the sliding arc-shaped member 20, the movable end of the flexible rule 41 sequentially passes through the fixed arc-shaped member 10 and the sliding arc-shaped member 20 and then is fixed with the driving wheel 50, and the driving wheel 50 is used for sliding on the bark surface.
It will be appreciated that the entrainment pulley 50 is connected to the end of the sliding arc 20 remote from the fixed arc 10.
Referring to fig. 3, more, the number of the sliding arc-shaped pieces 20 is plural, the sliding arc-shaped pieces 20 are connected in sequence, and the sliding arc-shaped pieces 20 are slidably connected with the fixed arc-shaped piece 10.
The fixed arc 10 is provided with a sliding groove 11, and the plurality of sliding arc 20 are slidably disposed in the sliding groove 11.
It should be noted that the sliding arc-shaped pieces 20 are connected in sequence, and the sliding arc-shaped pieces 20 and the fixed arc-shaped pieces 10 form a circular ring together, so as to complete the surrounding of the trunk.
In this embodiment, the arc length of the sliding arc 20 and the fixed arc 10 is the same.
It should be further noted that the tree breast diameter measurement assisting device 100 further includes a hinge 60 and a torsion spring, two adjacent sliding arc members 20 are connected by the hinge 60, and the torsion spring is sleeved on the hinge 60.
Specifically, under the condition that slip arc 20 was placed in sliding tray 11, the torsional spring was in the state of compressing tightly, and after slip arc 20 stretched out sliding tray 11, the torsional spring provided the effort of a orientation centre of a circle to slip arc 20 for slip arc 20 has the trend of a orientation centre of a circle all the time, thereby makes the driving wheel 50 with the end connection of slip arc 20 can hug closely the trunk surface all the time and carry out around the tree motion.
In the present embodiment, the number of sliding arc 20 is three. In other embodiments, the number of sliding arc members 20 may be increased or decreased, and is not particularly limited herein.
Optionally, the tree breast diameter measurement aid 100 further comprises a transmission member 70, the transmission member 70 being attached to the surface of the sliding arc member 20, the transmission member 70 being configured to frictionally press the sliding arc member 20 to slide the sliding arc member 20 out of the sliding groove 11.
Specifically, the fixed arc 10 is further provided with a friction extrusion groove 12, the friction extrusion groove 12 communicates with the sliding groove 11, and the transmission member 70 is provided in the friction extrusion groove 12 so as to be attached to the sliding arc 20.
In this embodiment, the transmission member 70 is a friction wheel, the friction wheel presses the sliding arc 20, and the friction wheel is used to make the sliding arc 20 extend out of the sliding groove 11 under the condition of rotation, so as to embrace the trunk.
In order to provide the friction wheel with a larger friction force, the wall of the sliding groove 11 is roughened.
In order to facilitate the handling of the fixation arc 10, the tree breast diameter measurement aid 100 further comprises a handle 80, the handle 80 being connected to the fixation arc 10.
In this embodiment, the handle 80 is located in the same horizontal plane as the fixing arc 10.
It should be noted that, in order to facilitate the storage of the tree breast diameter measurement aid 100, the telescopic rod 30 is rotatably connected to the fixed arc 10, and the telescopic rod 30 and the fixed arc 10 are folded without using the tree breast diameter measurement aid 100, so that the storage space of the tree breast diameter measurement aid 100 is reduced.
In other embodiments, in order to facilitate the storage of the tree breast diameter measurement aid 100, the telescopic rod 30 is connected with the fixed arc-shaped part 10 in a threaded manner, and the telescopic rod 30 and the fixed arc-shaped part 10 are removed to realize the storage without using the tree breast diameter measurement aid 100.
More, in order to reduce the influence of the vibration between a plurality of slip arc 20 to transmission efficiency, simultaneously in order to ensure driven stability, pass through the screw fixation between a plurality of slip arc 20, both firm and convenient, all the other parts also can be installed through the buckle and demolishs.
The tree breast diameter measurement assistor 100 provided by the embodiment has at least the following advantages:
most of the tree breast-height footpath among the prior art measure the slide caliper rule instrument that all adopts angle sensor and measure, long arm that can open through both sides, trilateral whole tree footpath that blocks, convert into round numerical value through series and obtain the breast-height footpath of approximate columniform trees, but most trees are not traditional cylinder, the surface has the bark that growth thickness differs to cause unevenness's tree surface, breast-height footpath and the tree girth that this kind of mode was measured out, there is very big error, it is the irregular shape such as ellipsoid to meet trees, the data that this kind of mode was measured is still big than the data error of artifical tape measure, this kind of measuring method is better to the measurement suitability of regular cylinder forest, but the forest of regular shape still is few. In order to solve the technical problem, when the auxiliary device 100 for measuring the diameter at breast height provided by the embodiment is used, the telescopic rod 30 is firstly extended to the height of 1.3m, then the fixed arc-shaped part 10 is abutted against the trunk, and the sliding arc-shaped part 20 is moved, so that the sliding arc-shaped part 20 and the fixed arc-shaped part 10 form a closed ring shape, and meanwhile, the sliding arc-shaped part 20 drives the measuring part 40 to move around the diameter of the tree to realize the measurement of the diameter at breast height. This tree breast height diameter measures assistor 100 can reduce the error of tree breast height diameter measurement numerical value, improves measurement accuracy.
This tree breast-height diameter measurement assistor 100 can be operated by one person, has reduced the probability of human error because many people measure the result, has reduced working strength simultaneously.
This tree breast-height diameter measurement assistor 100 can customize 1.3 m's telescopic link 30, has reduced the artificially defined breast-height diameter measurement height's error, and the accurate height when guaranteeing the breast-height diameter and measuring, telescopic link 30 can be made by carbon fiber material simultaneously, reduces use weight, convenient to carry.
This tree breast-height diameter measures assistor 100 adopts curved slip arc 20 and fixed arc 10, when measuring the slope trees, can maintain the measuring position of tape 41, avoids because of the inaccurate measured data that trees self growth slope leads to.
To sum up, the embodiment of the utility model provides a tree breast-height diameter measures assistor 100, this tree breast-height diameter measures assistor 100 includes fixed arc 10, slip arc 20, telescopic link 30 and measuring part 40, slip arc 20 slidable ground connects in fixed arc 10, fixed arc 10 and slip arc 20 are used for jointly blocking and locate the tree-height diameter, telescopic link 30 is connected with fixed arc 10, telescopic link 30 is used for driving fixed arc 10 and carries out elevating movement, measuring part 40 is connected with fixed arc 10 and slip arc 20 simultaneously, measuring part 40 is used for measuring under the condition that the tree-height diameter was located to slip arc 20 and fixed arc 10 card. This assistor 100 is measured to tree breast diameter when using, and telescopic link 30 will fix fixed arc 10 and slip arc 20 at the height of 1.3m department, then fixed arc 10 card is established on the bark surface, removes slip arc 20 and makes slip arc 20 and fixed arc 10 form closed ring shape, and slip arc 20 drives measuring part 40 simultaneously and removes the measurement that realizes the tree breast diameter around the tree diameter. This tree breast-height diameter measurement assistor 100 can reduce the error of tree breast-height diameter measurement numerical value, improves measurement accuracy, and single can accomplish the measurement operation simultaneously, has reduced human error.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A tree breast diameter measurement aid, comprising:
a fixing arc (10);
the sliding arc-shaped part (20), the sliding arc-shaped part (20) is connected to the fixed arc-shaped part (10) in a sliding mode, and the fixed arc-shaped part (10) and the sliding arc-shaped part (20) are clamped on the tree diameter together;
the telescopic rod (30), the telescopic rod (30) is connected with the fixed arc-shaped piece (10), and the telescopic rod (30) is used for driving the fixed arc-shaped piece (10) to move up and down;
the measuring part (40), the measuring part (40) simultaneously with fixed arc (10) with slip arc (20) are connected, measuring part (40) are used for sliding arc (20) with fixed arc (10) card is located measure under the condition of tree footpath.
2. The tree breast diameter measurement aid according to claim 1, wherein the measuring member (40) comprises a flexible rule (41) and a display (42), the display (42) being arranged on the fixed arc member (10), the display (42) being adapted to display a measurement value of the flexible rule (41), the flexible rule (41) having a fixed end and a movable end, the fixed end being arranged on the fixed arc member (10), the movable end passing through the fixed arc member (10) and the sliding arc member (20) in sequence and being connected with an end of the sliding arc member (20).
3. The tree breast diameter measurement assistor of claim 2, characterized in that, tree breast diameter measurement assistor (100) still includes driving wheel (50), driving wheel (50) with the end connection of slip arc (20), the active end of tape (41) pass in proper order fixed arc (10) with slip arc (20) back with driving wheel (50) is fixed, driving wheel (50) are used for sliding on the bark surface.
4. The tree breast diameter measurement aid according to claim 2, wherein the number of sliding arc-shaped pieces (20) is plural, the plural sliding arc-shaped pieces (20) are connected in sequence, and the plural sliding arc-shaped pieces (20) are all slidably connected with the fixed arc-shaped piece (10).
5. The tree breast diameter measurement aid according to claim 4, wherein the tree breast diameter measurement aid (100) further comprises a hinge (60) and a torsion spring, two adjacent sliding arc-shaped pieces (20) are connected by the hinge (60), and the torsion spring is sleeved on the hinge (60).
6. The tree breast diameter measurement aid according to claim 4, wherein the number of sliding arcs (20) is three.
7. The tree breast diameter measurement aid according to claim 4, wherein the fixed arc (10) is provided with a sliding slot (11), the plurality of sliding arcs (20) each being slidably arranged within the sliding slot (11).
8. The tree breast diameter measuring aid according to claim 7, wherein the tree breast diameter measuring aid (100) further comprises a transmission member (70), the transmission member (70) being in abutment with a surface of the sliding arc (20), the transmission member (70) being adapted to frictionally press the sliding arc (20) to slide the sliding arc (20) out of the sliding slot (11).
9. The tree breast diameter measurement aid according to claim 1, wherein the tree breast diameter measurement aid (100) further comprises a handle (80), the handle (80) being connected with the fixation arc (10).
10. The tree breast diameter measurement aid according to claim 9, wherein the handle (80) is located at the same level as the fixation arc (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222347157.4U CN217900710U (en) | 2022-09-02 | 2022-09-02 | Tree breast diameter measurement assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222347157.4U CN217900710U (en) | 2022-09-02 | 2022-09-02 | Tree breast diameter measurement assistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900710U true CN217900710U (en) | 2022-11-25 |
Family
ID=84107126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222347157.4U Active CN217900710U (en) | 2022-09-02 | 2022-09-02 | Tree breast diameter measurement assistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900710U (en) |
-
2022
- 2022-09-02 CN CN202222347157.4U patent/CN217900710U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212645648U (en) | Forestry infrared ray electronic measurement chest footpath appearance | |
| CN217900710U (en) | Tree breast diameter measurement assistor | |
| CN215865009U (en) | Device for measuring tobacco stem circumference by high-efficiency electronic digital display | |
| CN208925477U (en) | A kind of environment detector rack | |
| CN113432566B (en) | Tree circumference measuring device and using method | |
| JP3121408U (en) | Diameter tape measure | |
| CN212058589U (en) | Portable forestry exploration instrument | |
| CN210981109U (en) | Tree breast diameter ruler | |
| CN113790660A (en) | Wall thickness rapid measuring instrument for house inspection | |
| CN212988184U (en) | Instrument of getting trees height under branch and branch contained angle fast | |
| CN219869439U (en) | Tree diameter measuring device | |
| CN215865447U (en) | Portable height and weight measuring instrument | |
| CN2406231Y (en) | Portable weight-height measuring device | |
| CN220356689U (en) | Outdoor sampling device for measuring living standing tree material attribute samples | |
| CN211696186U (en) | Special ruler for forestry tree measurement | |
| CN214510097U (en) | Data recording device for real estate surveying and mapping | |
| CN214595847U (en) | Board is measured to two upper limbs degree of enclosing | |
| CN211717356U (en) | Intelligent tobacco stem circumference measuring device | |
| CN216668525U (en) | Measuring tool for measuring inner and outer diameters of pipe fitting | |
| CN220795235U (en) | Blood fat detection device | |
| CN210268468U (en) | Exempt from to read formula flowers and trees screening chi | |
| CN216454987U (en) | Equipment for measuring curvature of cervical vertebra | |
| CN219799002U (en) | Tensile property detection device | |
| CN219416025U (en) | Handheld high-precision standing tree breast diameter measuring equipment | |
| CN220625116U (en) | Novel digital display type length measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |