Forestry surveying ruler

Abstract

The utility model discloses a forestry surveying ruler, which relates to the technical field of forestry surveying and comprises a base, a positioning component is arranged in the base, and the positioning component comprises four rivets fixedly connected to the bottom end of the base. According to the forestry surveying ruler provided by the utility model, after the base is fixed on the ground through the rivet and the two locking bolts are screwed and the lower parts of the locking bolts are separated from the inner wall of the sliding groove, the two sliding blocks drive the supporting frame above the sliding blocks to displace and support the surveying ruler body, and the surveying ruler body moves in the movable groove while the surveying ruler body moves in the movable groove. According to the surveying ruler, the guide rods on the two sides of the surveying ruler body slide in the guide grooves, so that the surveying ruler body can rotate in the movable grooves, the surveying ruler body can be conveniently fixed to the ground through the base, the fixed surveying ruler body can rotate above the base, the stability of the surveying ruler body is guaranteed, and the surveying ruler is convenient to use. And the distance between the surveying ruler body and the tree to be surveyed can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry surveying, in particular to a forestry surveying ruler. Background Art

[0002] A forestry survey ruler, also known as a forestry gauge, measuring ruler or survey ruler, is a tool used to measure tree diameter, tree height, crown area and tree volume. In forestry surveying and forest resource management, a survey ruler is an absolutely essential tool.

[0003] For example, a forestry survey ruler with publication number CN216432735U includes: a housing and a cylinder, the locking mechanism includes a limit assembly for limiting the rotation of the measuring mechanism and a linkage assembly for maintaining the synchronous movement of the limit assemblies on both sides, and the linkage assembly is fixedly arranged at both ends of the limit assembly. The forestry survey ruler provided by the utility model can not only perform forestry exploration and measurement, but also lock the length of the measuring ruler at any time, avoiding the situation where the measuring ruler is released too much, and further preventing the measuring ruler from being entangled, and is simple to operate and highly practical.

[0004] In the prior art, since the objects of forestry surveys are plants, and the ground around the measured objects is often soil, and since the soil surface is usually uneven, it is difficult to stably fix the survey ruler on the ground. Utility Model Content

[0005] In view of the problem that the ground around the above-mentioned existing measurement object is often mud, which makes it difficult for the survey ruler to be stably fixed on the ground, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide a forestry surveying ruler, the purpose of which is to fix the surveying ruler on the ground and adjust the position of the surveying ruler accordingly according to needs.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a forestry surveying ruler, which includes a base, a positioning component is provided in the base, a measuring component is provided on the upper side of the base, the positioning component includes four rivets fixedly connected to the bottom end of the base, a movable groove is provided inside the base, guide grooves are provided on both sides of the movable groove, a surveying ruler body is slidably connected in the movable groove, guide rods are fixedly connected on both sides of the surveying ruler body, two guide rods are respectively slidably connected in two guide grooves, two sliding grooves are provided at the top of the base, sliders are slidably connected in the two sliding grooves, the top ends of the two sliders are fixedly connected to the bottom end of the same support frame, the top ends of the two sliders are threadedly connected with locking bolts, and the two locking bolts pass through the slider and overlap the inner bottom end of the slide groove.

[0008] As a preferred solution of the forestry surveying ruler of the utility model, the guide rod is cylindrical, and the shape of the guide rod is matched with the guide groove to guide the guide rod.

[0009] As a preferred solution of the forestry surveying ruler of the utility model, the measuring component includes a mounting groove opened on one side of the surveying ruler body, and an extension plate is slidably connected inside the mounting groove to extend the measuring height of the surveying ruler body.

[0010] As a preferred solution of the forestry surveying ruler of the utility model, a first scale line is provided on one side of the surveying ruler body, a second scale line is provided on one side of the extension plate, and the shape of the extension plate is matched with the shape of the mounting groove to guide the extension plate.

[0011] As a preferred solution of the forestry surveying ruler of the utility model, wherein: first pointers are fixedly connected to both sides of the extension plate, and a mounting seat is fixedly connected to the top of the extension plate, pointing to the first scale line.

[0012] As a preferred solution of the forestry surveying ruler described in the utility model, guide grooves are provided on both sides of the interior of the installation groove, guide plates are fixedly connected to both sides of the extension plate, and the two guide plates are interactively connected in the two guide grooves to limit the extension plate.

[0013] As a preferred solution of the forestry surveying ruler of the utility model, an infrared lamp is arranged on one side of the mounting seat, a second pointer is fixedly connected to one side of the interior of the mounting seat, and an illumination lamp is fixedly connected to the top of the interior of the mounting seat, so that surveying is performed by means of the infrared lamp.

[0014] Beneficial effects of the utility model:

[0015] 1. Fix the base to the ground with rivets, and after turning the two locking bolts, when the bottom of the locking bolts is separated from the inner wall of the slide slot, the two sliders will drive the support frame above them to move and support the survey ruler body. While the survey ruler body moves inside the movable slot, the guide rods on both sides will slide inside the guide slot, so that the survey ruler body can rotate inside the movable slot, which makes it convenient to fix the survey ruler body to the ground through the base, and the fixed survey ruler body can rotate above the base, which not only ensures the stability of the survey ruler body, but also can adjust the distance between the survey ruler body and the tree to be surveyed.

[0016] 2. The trees to be surveyed are illuminated by infrared lamps, and the second pointer at the corresponding position will point to the first scale line and the second scale line, and the lighting lamp under the mounting base will provide light. When the extension plate is lifted, the extension plate will slide inside the mounting groove, and the first scale line under the two sides of the extension plate will point to the first scale line, which facilitates the survey of the trees to be surveyed by infrared lamps and avoids direct contact between the survey ruler body and the trees to be surveyed. At the same time, it can provide light to improve the survey quality. The length of the survey ruler body can be extended by contacting the extension plate, so that the survey ruler body can survey trees of longer specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of the forestry survey ruler.

[0019] Figure 2 The utility model is a schematic diagram of a three-dimensional structure of a forestry survey ruler in cross-section.

[0020] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the base of the forestry surveying ruler of the utility model.

[0021] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the extension plate of the forestry surveying ruler of the utility model.

[0022] Description of reference numerals:

[0023] 1. Base; 2. Positioning component; 21. Rivet; 22. Movable groove; 23. Guide groove; 24. Guide rod; 25. Survey ruler body; 26. Slide groove; 27. Slider; 28. Support frame; 29. ​​Locking bolt; 3. Measuring component; 31. Mounting groove; 32. Extension plate; 33. First scale line; 34. Second scale line; 35. First pointer; 36. Guide groove; 37. Guide plate; 38. Mounting seat; 39. Infrared lamp; 4. Second pointer; 5. Illumination lamp. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Example 1

[0026] Reference Figure 1-3 , which is the first embodiment of the utility model, provides a forestry surveying ruler, which includes a base 1, a positioning component 2 is provided in the base 1, a measuring component 3 is provided on the upper side of the base 1, the positioning component 2 includes four rivets 21 fixedly connected to the bottom end of the base 1, a movable groove 22 is provided inside the base 1, guide grooves 23 are provided on both sides of the movable groove 22, a surveying ruler body 25 is slidably connected in the movable groove 22, guide rods 24 are fixedly connected on both sides of the surveying ruler body 25, and the two guide rods 24 are respectively slidably connected in the two guide grooves 23, two slide grooves 26 are provided at the top of the base 1, and sliders 27 are slidably connected in the two slide grooves 26, the top ends of the two sliders 27 are fixedly connected to the bottom end of the same support frame 28, the top ends of the two sliders 27 are threadedly connected with locking bolts 29, and the two locking bolts 29 pass through the slider 27 and overlap the inner bottom end of the slide groove 26.

[0027] The guide rod 24 is cylindrical, and the shape of the guide rod 24 matches the guide groove 23 .

[0028] During use, the guide rods 24 on both sides of the surveying ruler body 25 slide in the guide grooves 23 inside the movable groove 22, so that the surveying ruler body 25 can be rotated in the movable groove 22 through the guide rods 24. When the surveying ruler body 25 is level with the tree to be surveyed, the base 1 can be inserted into the ground through the rivet 21. When the angle between the surveying ruler body 25 and the base 1 changes due to the rotation, the two locking bolts 29 can be screwed. As the lower sides of the two locking bolts 29 are separated from the inner wall of the slide groove 26, the two sliders 27 can be in the slide groove 26. The support frame 28 above the survey ruler body 25 slides internally and drives the displacement. When the support frame 28 supports the survey ruler body 25 again, the locking bolt 29 can be reversely screwed so that the locking bolt 29 contacts the inner wall of the slide groove 26, and finally the slider 27 is locked in the slide groove 26, which makes it convenient to fix the survey ruler body 25 to the ground through the base 1. The fixed survey ruler body 25 can be rotated above the base 1, which not only ensures the stability of the survey ruler body 25, but also can adjust the distance between the survey ruler body 25 and the tree to be surveyed.

[0029] Example 2

[0030] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0031] The measuring component 3 includes a mounting groove 31 provided on one side of the surveying ruler body 25, an extension plate 32 is slidably connected inside the mounting groove 31, a first scale line 33 is provided on one side of the surveying ruler body 25, a second scale line 34 is provided on one side of the extension plate 32, the shape of the extension plate 32 is adapted to the shape of the mounting groove 31, first pointers 35 are fixedly connected on both sides of the extension plate 32, a mounting seat 38 is fixedly connected on the top of the extension plate 32, guide grooves 36 are provided on both sides of the mounting groove 31, guide plates 37 are fixedly connected on both sides of the extension plate 32, and the two guide plates 37 are interactively connected in the two guide grooves 36 respectively, an infrared lamp 39 is provided on one side of the mounting seat 38, a second pointer 4 is fixedly connected on one side of the mounting seat 38, and an illumination lamp 5 is fixedly connected on the top of the mounting seat 38.

[0032] During use, the infrared lamp 39 on one side of the mounting seat 38 is started to illuminate the tree to be surveyed, and the second pointer 4 on the other side of the mounting seat 38 at the same position will point to the first scale line 33 and the second scale line 34 at the corresponding position. If the light is dim, the lighting lamp 5 under the mounting seat 38 can be started. As the extension plate 32 is lifted, the extension plate 32 will slide inside the surveying ruler body 25 through the mounting groove 31, and the guide plates 37 on both sides thereof will slide in the two guide grooves 36 inside the mounting groove 31, and the first scale line 33 under the two sides of the extension plate 32 will point to the first scale line 33, which facilitates the survey of the tree to be surveyed through the infrared lamp 39 and avoids the direct contact between the surveying ruler body 25 and the tree to be surveyed. At the same time, it can provide light to improve the survey quality. The length of the surveying ruler body 25 can be extended by contacting the extension plate 32, so that the surveying ruler body 25 can survey trees of longer specifications.

[0033] The remaining structures are the same as those of Example 1.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A forestry surveying ruler, comprising a base (1), characterized in that: A positioning component (2) is provided in the base (1), and a measuring component (3) is provided on the upper side of the base (1). The positioning component (2) comprises four rivets (21) fixedly connected to the bottom end of the base (1). A movable groove (22) is provided inside the base (1), and guide grooves (23) are provided on both sides of the movable groove (22). A surveying ruler body (25) is slidably connected in the movable groove (22), and guide rods (23) are fixedly connected on both sides of the surveying ruler body (25). 24), the two guide rods (24) are slidably connected in the two guide grooves (23), the top of the base (1) is provided with two slide grooves (26), the two slide grooves (26) are slidably connected with sliders (27), the tops of the two sliders (27) are fixedly connected to the bottom of the same support frame (28), the tops of the two sliders (27) are threadedly connected with locking bolts (29), and the two locking bolts (29) pass through the sliders (27) and overlap the inner bottom ends of the slide grooves (26).

2. A forestry surveying ruler according to claim 1, characterized in that: The guide rod (24) is cylindrical, and the shape of the guide rod (24) is matched with the guide groove (23).

3. A forestry surveying ruler according to claim 1, characterized in that: The measuring component (3) comprises a mounting groove (31) provided on one side of the surveying ruler body (25), and an extension plate (32) is slidably connected inside the mounting groove (31).

4. A forestry surveying ruler according to claim 3, characterized in that: A first scale line (33) is provided on one side of the surveying ruler body (25), a second scale line (34) is provided on one side of the extension plate (32), and the shape of the extension plate (32) is adapted to the shape of the mounting groove (31).

5. A forestry surveying ruler according to claim 4, characterized in that: The first pointers (35) are fixedly connected to both sides of the extension plate (32), and the top of the extension plate (32) is fixedly connected to a mounting seat (38).

6. A forestry surveying ruler according to claim 5, characterized in that: Guide grooves (36) are provided on both sides of the installation groove (31), and guide plates (37) are fixedly connected to both sides of the extension plate (32), and the two guide plates (37) are interactively connected in the two guide grooves (36) respectively.

7. The forestry surveying ruler according to claim 5, characterized in that: An infrared lamp (39) is provided on one side of the mounting seat (38), a second pointer (4) is fixedly connected to one side of the interior of the mounting seat (38), and an illumination lamp (5) is fixedly connected to the top of the interior of the mounting seat (38).

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