CN217005633U

CN217005633U - Forest breast-height diameter measuring device

Info

Publication number: CN217005633U
Application number: CN202220901742.1U
Authority: CN
Inventors: 王阳; 王鹏; 孙颖; 吴方明; 李金君
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-19
Anticipated expiration: 2032-04-19

Abstract

The invention relates to the technical field of forest breast diameter measurement and discloses a forest breast diameter measurement device which comprises a first main scale and a second main scale, wherein the first main scale is in contact connection with the second main scale, a first sliding cavity is formed in the first main scale, a first sliding block is connected in the first sliding cavity in a sliding mode, a spring is fixedly connected to one side of the first sliding block, one end, far away from the first sliding block, of the spring is fixedly connected with one side of the first sliding cavity, and a limiting rod is fixedly connected to the top surface of the first sliding block. According to the invention, by arranging the auxiliary ruler and the elastic rope, when the measuring ranges of the first main ruler and the second main ruler are insufficient to measure the breast diameter of the forest, the elastic band can be stretched by pulling the first main ruler and the second main ruler apart, so that the auxiliary ruler is exposed out of the first main ruler and the second main ruler, thereby increasing the measuring range of the device, and solving the problem that the vernier caliper is short in measuring jaw and only can be used for the forest of less than 2 years.

Description

Forest breast-height diameter measuring device

Technical Field

The invention relates to the technical field of forest breast diameter measurement, in particular to a forest breast diameter measuring device.

Background

In the field of forest production and research, a flexible rule is often adopted for measuring the breast diameter of a forest, but the flexible rule is very inconvenient to operate and slow in measurement speed, the circumference of the forest is measured, and the breast diameter of the forest can be obtained only by calculation after the circumference is measured; in addition, in forestry investigation or forest production, forestry workers also adopt vernier calipers to measure the diameter of the forest; however, the measuring jaw of the vernier caliper is short, and the vernier caliper can only be used for the forest less than 2 years.

Disclosure of Invention

The invention aims to provide a forest breast diameter measuring device, and the purpose of solving the problems is achieved.

In order to achieve the purpose, the invention provides the following technical scheme: a forest breast diameter measuring device comprises a first main scale and a second main scale, wherein the first main scale is in contact connection with the second main scale, a first sliding cavity is formed in the first main scale, a first sliding block is connected in the first sliding cavity in a sliding mode, a spring is fixedly connected to one side of the first sliding block, one end, far away from the first sliding block, of the spring is fixedly connected with one side of the first sliding cavity, a limiting rod is fixedly connected to the top surface of the first sliding block, the limiting rod is connected to a sliding hole, formed in the first main scale, and communicated with the first sliding cavity in a sliding mode, a clamping block is fixedly connected to one side of the limiting rod, a second sliding cavity is formed in the first main scale, a third sliding cavity is formed in the second main scale, the second sliding cavity is symmetrically arranged with the third sliding cavity, auxiliary scales are arranged in the second sliding cavity and the third sliding cavity, the auxiliary scales penetrate through one side, where the first main scale and the second main scale are attached, and are connected with the first main scale and the second main scale in a sliding mode, and the inner wall of the second sliding cavity is connected with a second sliding block in a sliding manner, the inner wall of the third sliding cavity is connected with a third sliding block in a sliding manner, and two ends of the auxiliary ruler are fixedly connected with the second sliding block and the third sliding block respectively.

Preferably, fixedly connected with pointer on the bottom surface of pressing from both sides tight piece, the needle point of pointer flushes with the one side that presss from both sides tight piece and keep away from the gag lever post, just the needle point of pointer is connected with one side contact of first main scale, through setting up the pointer to with the needle point of pointer and the close face parallel and level of pressing from both sides tight piece, can make the directional scale of pointer be the breast diameter of forest promptly, make the measured breast diameter of pointer more accurate, increase the practicality of device.

Preferably, the quantity of smooth chamber one, slider one, spring, gag lever post, the tight piece of clamp, pointer is two smooth chamber one, slider one, spring, gag lever post, the tight piece of clamp, pointer symmetry set up on first main scale and second main scale, set up like this and can promote two slider movements through two springs to the drive presss from both sides tight piece and presss from both sides the tight piece with the forest clamp, conveniently acquires the chest footpath of forest.

Preferably, all be provided with the scale mark on first main scale, second main scale and the vice chi, the scale mark of first main scale and second main scale all uses the contact point to be zero scale mark, the zero scale mark of vice chi sets up the midpoint department at the vice chi, sets up like this and can expose the sum of the length of first main scale and second main scale through reading the reading of pointer on first main scale and second main scale and vice chi, reachs the chest footpath of forest.

Preferably, the first fixing column is fixedly connected to one side, away from the second main scale, of the bottom surface of the first main scale, the second fixing column is fixedly connected to one side, away from the first main scale, of the bottom surface of the second main scale, the elastic rope is arranged between the first fixing column and the second fixing column, two ends of the elastic rope are fixedly connected with the first fixing column and the second fixing column respectively, and through the elastic rope, the auxiliary scale can be guaranteed to be contracted in the first main scale and the second main scale all the time under normal conditions, so that the occupied space is small, and the carrying is convenient.

Preferably, the stiffness coefficient of bungee is greater than the stiffness coefficient of spring, sets up like this and guarantees that the vice chi can not stretch out when measuring minor diameter forest, only can measure through first main scale and second main scale, reduces data and the calculated amount that need read, increases and measures the precision.

The invention provides a forest breast diameter measuring device. The method has the following beneficial effects:

(1) according to the invention, by arranging the auxiliary ruler and the elastic rope, when the measuring ranges of the first main ruler and the second main ruler are insufficient to measure the breast diameter of the forest, the elastic band can be stretched by pulling the first main ruler and the second main ruler apart, so that the auxiliary ruler is exposed out of the first main ruler and the second main ruler, thereby increasing the measuring range of the device, and solving the problem that the vernier caliper is short in measuring jaw and only can be used for the forest of less than 2 years.

(2) According to the invention, by arranging the pointer and aligning the needle point of the pointer with the plane close to the clamping block, the scale pointed by the pointer can be the breast diameter of the forest, so that the breast diameter measured by the pointer is more accurate, and the practicability of the device is increased.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure A of the present invention.

In the figure: 1. a first main scale; 2. a second main scale; 3. a sliding cavity I; 4. a first sliding block; 5. a spring; 6. a limiting rod; 7. a clamping block; 8. a pointer; 9. a sliding cavity II; 10. a sliding cavity III; 11. a secondary ruler; 12. a second sliding block; 13. a third sliding block; 14. a first fixed column; 15. a second fixed column; 16. the rope is loosened.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-3, the present invention provides the technical solutions: a forest breast diameter measuring device comprises a first main scale 1 and a second main scale 2, wherein the first main scale 1 is in contact connection with the second main scale 2, a first sliding cavity 3 is formed inside the first main scale 1, a first sliding block 4 is connected inside the first sliding cavity 3 in a sliding mode, one side of the first sliding block 4 is fixedly connected with a spring 5, one end, far away from the first sliding block 4, of the spring 5 is fixedly connected with one side of the first sliding cavity 3, a limiting rod 6 is fixedly connected to the top surface of the first sliding block 4, the limiting rod 6 is connected to a sliding hole, formed in the first main scale 1 and communicated with the first sliding cavity 3 in a sliding mode, one side of the limiting rod 6 is fixedly connected with a clamping block 7, a pointer 8 is fixedly connected to the bottom surface of the clamping block 7, the needle point of the pointer 8 is flush with one side, far away from the limiting rod 6, of the needle point of the pointer 8 is in contact connection with one side of the first main scale 1, and the needle point of the pointer 8 is flush with the face, which is close to the clamping block 7, the scale pointed by the pointer 8 is the breast diameter of the forest, the breast diameter measured by the pointer 8 is more accurate, the practicability of the device is increased, the number of the first sliding cavity 3, the first sliding block 4, the spring 5, the limiting rod 6, the clamping block 7 and the pointer 8 is two, the first sliding cavity 3, the first sliding block 4, the spring 5, the limiting rod 6, the clamping block 7 and the pointer 8 are symmetrically arranged on the first main scale 1 and the second main scale 2, the two sliding blocks 4 can be pushed by the two springs 5 to move so as to drive the clamping block 7 to clamp the forest, the breast diameter of the forest is conveniently obtained, the second sliding cavity 9 is arranged on the first main scale 1, the third sliding cavity 10 is arranged on the second main scale 2, the second sliding cavity 9 is symmetrically arranged with the third sliding cavity 10, the auxiliary scale 11 is arranged in the second sliding cavity 9 and the third sliding cavity 10, the auxiliary scale 11 penetrates through one side where the first main scale 1 and the second main scale 2 are jointed, and the auxiliary scale 11 is connected with the first main scale 1 and the second main scale 2 in a sliding manner, the inner wall of the second sliding cavity 9 is connected with a second sliding block 12 in a sliding mode, the inner wall of the third sliding cavity 10 is connected with a third sliding block 13 in a sliding mode, two ends of the second sliding ruler 11 are fixedly connected with the second sliding block 12 and the third sliding block 13 respectively, the first main ruler 1, the second main ruler 2 and the second main ruler 11 are all provided with scale marks, the scale marks of the first main ruler 1 and the second main ruler 2 are all zero scale marks by taking a contact point as a zero scale mark, the zero scale mark of the second main ruler 11 is arranged at the middle point of the second main ruler 11, the chest diameter of a forest can be obtained by reading the reading of a pointer 8 on the first main ruler 1 and the second main ruler 2 and the sum of the lengths of the second main ruler 11 exposing the first main ruler 1 and the second main ruler 2, a first fixing column 14 is fixedly connected to one side, far away from the second main ruler 2, of the bottom surface of the first main ruler 1, a second fixing column 15 is fixedly connected to one side, a slack rope 16 is arranged between the first fixing column 14 and the second fixing column 15, elasticity rope 16's both ends respectively with first fixed

column

14 and 15 fixed connection of second fixed column, through setting up elasticity rope 16, can guarantee under the normal condition that vice chi 11 contracts all the time in first main scale 1 and second main scale 2, occupation space is little, and is convenient for carry, elasticity rope 16's stiffness coefficient is greater than spring 5's stiffness coefficient, it guarantees that vice chi 11 can not stretch out when measuring minor diameter forest to set up like this, only can measure through first main scale 1 and second main scale 2, reduce the data and the calculated amount that need read, increase and measure the precision.

When the device is used and used for measuring small-diameter trees, the limiting rods 6 on the measuring scale are poked to enable the two limiting rods 6 to move away from each other, the two limiting rods 6 are placed on two sides of the trees, the limiting rods 6 are loosened, the trees are clamped tightly by the elastic force generated by the deformation of the spring 5, the readings of the two pointers 8 on the first main scale 1 and the second main scale 2 are read, and the sum of the two readings is the breast diameter of the trees; when measuring major diameter forest, dial two gag lever post 6 to the both ends of first main scale 1 and second main scale 2, two first main scales 1 pull open with second main scale 2, place two gag lever post 6 in the both sides of forest, loosen gag lever post 6 and first main scale 1 and second main scale 2, read two pointers 8 readings on first main scale 1 and second main scale 2, and read the length that vice chi 11 exposes first main scale 1 and second main scale 2, the reading of two pointer 8 positions and the sum of vice chi 11 exposure length are forest breast diameter promptly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a forest breast diameter measuring device, includes first main scale (1) and second main scale (2), first main scale (1) and second main scale (2) contact connection, its characterized in that: a first sliding cavity (3) is formed in the first main scale (1), a first sliding block (4) is connected in the first sliding cavity (3) in a sliding manner, a spring (5) is fixedly connected to one side of the first sliding block (4), one end, far away from the first sliding block (4), of the spring (5) is fixedly connected to one side of the first sliding cavity (3), a limiting rod (6) is fixedly connected to the top surface of the first sliding block (4), the limiting rod (6) is connected to a sliding hole, formed in the first main scale (1), and communicated with the first sliding cavity (3) in a sliding manner, a clamping block (7) is fixedly connected to one side of the limiting rod (6), a second sliding cavity (9) is formed in the first main scale (1), a third sliding cavity (10) is formed in the second main scale (2), the second sliding cavity (9) and the third sliding cavity (10) are symmetrically arranged, and auxiliary scales (11) are arranged in the second sliding cavity (9) and the third sliding cavity (10), vice chi (11) run through one side of first main scale (1) and the laminating of second main scale (2), just vice chi (11) and first main scale (1) and the equal sliding connection of second main scale (2), sliding connection has slider two (12) on the inner wall of smooth chamber two (9), sliding connection has slider three (13) on the inner wall of smooth chamber three (10), the both ends of vice chi (11) respectively with slider two (12) and slider three (13) fixed connection.

2. The forest breast diameter measuring device of claim 1, wherein: fixedly connected with pointer (8) on the bottom surface of pressing from both sides tight piece (7), the needle point of pointer (8) flushes with the one side that presss from both sides tight piece (7) and keep away from gag lever post (6), just the needle point of pointer (8) is connected with the contact of one side of first main scale (1).

3. The forest breast diameter measuring device of claim 2, wherein: the number of the first sliding cavity (3), the first sliding block (4), the spring (5), the limiting rod (6), the clamping block (7) and the pointer (8) is two, and the first sliding cavity (3), the first sliding block (4), the spring (5), the limiting rod (6), the clamping block (7) and the pointer (8) are symmetrically arranged on the first main scale (1) and the second main scale (2).

4. The forest breast diameter measuring device of claim 1, wherein: the first main scale (1), the second main scale (2) and the auxiliary scale (11) are all provided with scale marks, the scale marks of the first main scale (1) and the second main scale (2) use a contact point as a zero scale mark, and the zero scale mark of the auxiliary scale (11) is arranged at the middle point of the auxiliary scale (11).

5. The forest breast diameter measuring device of claim 1, wherein: the utility model discloses a fixing device, including first main scale (1), second main scale (2), first fixed column (14) of fixedly connected with on one side of keeping away from second main scale (2) of bottom surface of first main scale (1), fixedly connected with second fixed column (15) on one side of keeping away from first main scale (1) of bottom surface of second main scale (2), be provided with bungee (16) between first fixed column (14) and second fixed column (15), the both ends of bungee (16) respectively with first fixed column (14) and second fixed column (15) fixed connection.

6. The forest breast diameter measuring device of claim 5, wherein: the stiffness coefficient of the elastic rope (16) is larger than that of the spring (5).