Portable measuring device for forest land survey

Abstract

The utility model relates to the technical field of measurement, in particular to a convenient measuring device for forest land investigation, which comprises a support for supporting, a measuring mechanism is arranged on the support and comprises a servo motor arranged at the left end of the support, and an output shaft of the servo motor is fixedly connected with a bidirectional screw rod. The bidirectional screw rod is rotatably connected inside the support, the outer side of the support is in threaded transmission connection with two groups of symmetrical movable seats, the bottom ends of the two groups of movable seats are respectively and fixedly provided with a distance measuring instrument and a distance fixing plate, the movable seats are hinged with clamping cylinders, and clamping plates are clamped in the clamping cylinders. The diameter of different trees can be measured by controlling the clamping cylinder and the clamping plate to clamp the trees in an automatic mode and a manual mode, circuit faults are prevented, long-time measurement is facilitated, and the adaptive capacity to the environment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a convenient measuring device for forest land investigation. Background Art

[0002] Forest survey is an investigation of the natural and non-natural properties of forest land, mainly including the status of forest resources, forest experience history, experience conditions and future development. In the process of forest survey, shrubs are usually measured, sampled, stored and carried. When it is necessary to measure the diameter of a tree with a thick trunk, a surveyor cannot measure the circumference of the trunk by circling the trunk to obtain the trunk diameter. Usually, the assistance of multiple surveyors is required. After using a tape measure to circle the trunk diameter, the reading is taken and the trunk diameter is calculated. The measurement is very cumbersome.

[0003] The measuring devices used for forest surveys mostly measure tree diameters by manually reading the measured values. The reading method is single, the reading calculation speed is slow, and the measurement effect is poor. In addition, measuring trees with larger diameters requires larger movable bars, which take up a large space and are not convenient to fold and fix, making them inconvenient to carry.

[0004] The Chinese utility model patent with application number CN202320676927.1 proposes a multifunctional tree measuring device for forest surveys. By providing a driving component, two measuring blocks are moved closer to or farther away from each other, thereby achieving the effect of clamping or loosening the tree trunk. When the two measuring blocks clamp the side walls of the tree, the diameter of the trunk can be measured. The mutual cooperation between the sliding components can adjust the driving component and the measuring block to be closer to or farther away from the tree, thereby achieving the effect of measuring the diameters of adjacent tree trunks without moving the measuring device. Although this multifunctional tree measuring device for forest surveys is convenient for measurement, it is relatively bulky, inconvenient to fold, inconvenient to carry, and has poor practicality.

[0005] Therefore, a convenient measuring device for forest survey is proposed. Utility Model Content

[0006] The utility model aims to provide a convenient measuring device for forest land survey, so as to solve the problems of slow measuring speed and inconvenient carrying proposed in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable measuring device for forest survey, the measuring device comprising a support bracket, a measuring mechanism being arranged on the bracket, the measuring mechanism comprising a servo motor arranged at the left end of the bracket, the output shaft of the servo motor being fixedly connected with a bidirectional screw rod, the bidirectional screw rod being rotatably connected to the inside of the bracket, the outer side of the bracket being threadedly connected with two symmetrical groups of movable seats, the bottom ends of the two groups of movable seats being fixedly installed with a rangefinder and a distance plate respectively, the movable seat being hinged with a clamping barrel, and a clamping plate being clamped in the clamping barrel.

[0008] Preferably, a controller is fixedly mounted on the front end of the bracket, and a scale is fixedly mounted on the upper end of the bracket.

[0009] Preferably, a first knob is provided at the right end of the bracket, and the first knob is fixedly mounted on one end of the bidirectional screw rod.

[0010] Preferably, an assembly mechanism is provided on the bracket, the assembly mechanism includes a first movable cavity opened inside the movable seat, a first return spring is provided inside the first movable cavity, a first limit plate is provided on one side of the first return spring, and a first clamping column is fixedly connected to the side of the first limit plate.

[0011] Preferably, a clamping plate is fixedly connected to the clamping barrel, and a clamping hole is formed on the clamping plate, and the clamping hole is matched with the first clamping column.

[0012] Preferably, the upper end of the first limiting plate is fixedly connected with a push handle, and the push handle is arranged on the upper end of the movable seat.

[0013] Preferably, a second activity is provided on the chuck, a second return spring is arranged inside the chuck, a second limit plate is arranged on one side of the second return spring, one end of a second clamping column is fixedly connected to the outer side of the second limit plate, the other end of the second clamping column is clamped in the clamping slot, the clamping slot is clamped on the clamping plate, and at least two groups of clamping plates are arranged.

[0014] Preferably, one end of a connecting rod is fixedly connected to the inner side of the second limiting plate, the other end of the connecting rod passes through the clamping tube and is fixedly connected to the second knob, and the outer side of the connecting rod is sleeved with a second return spring.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model, through the design of the measuring mechanism, is conducive to using both automatic and manual methods to control the clamping tube and the clamping plate to clamp the tree to measure the diameter of different trees, prevent circuit failure, facilitate long-term measurement, greatly increase the adaptability to the environment, and set up two reading methods of automatic measurement and observation measurement, which is convenient for improving efficiency by automatic reading and can ensure the use of automatic measurement failure.

[0017] 2. The utility model is designed to cooperate with the measuring mechanism in an assembly mechanism, which is conducive to folding the clamp barrel to reduce the unfolded space and facilitate carrying and transportation. The unfolded clamp barrel can also be fixed to facilitate the clamp barrel to be stably clamped on both sides of the tree, and the splint can be stably pulled out or pushed into the clamp barrel, which is not only convenient for measuring trees with larger diameters, but also can further reduce the expansion space and facilitate handling and carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is an overall three-dimensional schematic diagram of a portable measuring device for forest land survey according to an embodiment of the utility model;

[0020] Figure 2 A portable measuring device for forest land survey according to the present utility model Figure 1 Schematic diagram of the cross-section at AA in the middle;

[0021] Figure 3 This is an overall exploded schematic diagram of a portable measuring device for forest land survey according to an embodiment of the utility model;

[0022] Figure 4 A portable measuring device for forest land survey according to the present utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0023] The markings in the figure are: 1. bracket; 2. controller; 3. scale; 4. servo motor; 5. bidirectional screw; 6. first knob; 7. movable seat; 8. distance meter; 9. distance plate; 10. clamping cylinder; 11. clamping plate; 12. first movable cavity; 13. first return spring; 14. first limit plate; 15. first clamping column; 16. clamping hole; 17. clamping plate; 18. push handle; 19. second movable; 20. second return spring; 21. second limit plate; 22. second clamping column; 23. clamping groove; 24. connecting rod; 25. second knob. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0025] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0026] like Figures 1 to 4 As shown, a specific embodiment of the utility model provides a portable measuring device for forest land survey, the measuring device comprises a support bracket 1, a measuring mechanism is arranged on the bracket 1, the measuring mechanism comprises a servo motor 4 arranged at the left end of the bracket 1, the output shaft of the servo motor 4 is fixedly connected with a bidirectional screw rod 5, the bidirectional screw rod 5 is rotatably connected to the inside of the bracket 1, the outer side of the bracket 1 is threadedly connected with two symmetrical groups of movable seats 7, the bottom ends of the two groups of movable seats 7 are respectively fixedly installed with a rangefinder 8 and a distance plate 9, the movable seat 7 is hinged with a clamping barrel 10, and a clamping plate 11 is clamped in the clamping barrel 10. Specifically, as shown in FIG. Figure 1 and Figure 3 As shown, a controller 2 is fixedly installed at the front end of the bracket 1, a scale 3 is fixedly installed at the upper end of the bracket 1, and a first knob 6 is arranged at the right end of the bracket 1, and the first knob 6 is fixedly installed on one end of the bidirectional screw 5. When in use, the controller 2 controls the servo motor 4, and the servo motor 4 drives the two groups of movable seats 7 to move toward or away from each other through the bidirectional screw 5, so that the movable seat 7 drives the clamp 10 and the clamp plate 11 to clamp the external trees, and the first knob 6 is rotated to manually control the two groups of movable seats 7 to move toward or away from each other, and then the controller 2 controls the rangefinder 8 to emit a laser to irradiate the fixed distance plate 9, and then the rangefinder 8 transmits the recorded reading to the controller 2, and the reading can be calculated orally through the scale 3, which is conducive to using both automatic and manual methods to control the clamp 10 and the clamp plate 11 to clamp the trees to measure the diameters of different trees, prevent circuit failures, facilitate long-term measurement, and greatly increase the adaptability to the environment. In addition, two reading methods, automatic measurement and observation measurement, are set, which is convenient for improving efficiency by automatic reading and can ensure the use in the event of automatic measurement failure.

[0027] Specifically, Figure 3 and Figure 4As shown, the bracket 1 is provided with an assembly mechanism, which includes a first movable cavity 12 opened inside the movable seat 7, a first return spring 13 is arranged inside the first movable cavity 12, a first limit plate 14 is arranged on one side of the first return spring 13, a first clamping column 15 is fixedly connected to the side of the first limit plate 14, a clamping plate 17 is fixedly connected to the clamping cylinder 10, a clamping hole 16 is opened on the clamping plate 17, and the clamping hole 16 is adapted to the first clamping column 15, a push handle 18 is fixedly connected to the upper end of the first limit plate 14, and the push handle 18 is arranged at the upper end of the movable seat 7. When in use, first push the push handle 18. The push handle 18 brings the first clamping column 15 into the first movable cavity 12 through the first limiting plate 14, and then the clamping tube 10 is rotated to make the clamping plate 17 attached to the movable seat 7. Finally, the push handle 18 is released, and the restoring force of the first return spring 13 drives the first clamping column 15 to enter the clamping hole 16 provided on the clamping plate 17 through the first limiting plate 14, so that the movable seat 7 and the clamping tube 10 are fixedly connected together, which is conducive to folding the clamping tube 10 to reduce the unfolding space, facilitates carrying and transportation, and can fix the unfolded clamping tube 10, so that the clamping tube 10 is stably clamped on both sides of the tree.

[0028] Specifically, Figure 2 and Figure 3 As shown, the clamp 10 is provided with a second movable 19, the interior of the clamp 10 is provided with a second return spring 20, and a second limit plate 21 is provided on one side of the second return spring 20, and one end of the second clamping column 22 is fixedly connected to the outer side of the second limit plate 21, and the other end of the second clamping column 22 is clamped in the clamping groove 23, and the clamping groove 23 is clamped on the clamping plate 11, and the clamping plate 11 is provided with at least two groups, and one end of the connecting rod 24 is fixedly connected to the inner side of the second limit plate 21, and the other end of the connecting rod 24 passes through the clamp 10 and is fixedly connected to the second knob 25, and the outer side of the connecting rod 24 is sleeved with the second return spring 20. When in use, the clamping plate 11 moves along the inclined surface of the second clamping column 22 to make the second clamping column 22 disengage from the clamping groove 2 3 enters the second movable part 19, and then pulls out or pushes the clamping plate 11 into the clamping tube 10 to a suitable position, and then the restoring force of the second return spring 20 drives the second clamping column 22 to enter another group of clamping grooves 23 again through the second limit plate 21, and finally rotates the second knob 25 by ninety degrees, and the second knob 25 drives the second clamping column 22 to rotate ninety degrees through the second limit plate 21 and the connecting rod 24, so that the clamping plate 11 cannot press the second clamping column 22 into the second movable part 19 along the inclined surface of the second clamping column 22, which is conducive to stably pulling the clamping plate 11 out of the clamping tube 10, which is convenient for measuring trees with larger diameters, and the clamping plate 11 can be stably retracted into the clamping tube 10, further reducing the expansion space, and convenient for handling and carrying.

[0029] Working principle: When in use, the controller 2 controls the servo motor 4, and the servo motor 4 drives the two groups of movable seats 7 to move toward or away from each other through the bidirectional screw rod 5, so that the movable seats 7 drive the clamping tube 10 and the clamping plate 11 to clamp the external trees, and the first knob 6 is turned to manually control the two groups of movable seats 7 to move toward or away from each other, and then the controller 2 controls the rangefinder 8 to emit a laser to irradiate the fixed distance plate 9, and then the rangefinder 8 transmits the recorded readings to the controller 2, and the readings can be calculated orally through the scale 3;

[0030] First, push the push handle 18, and the push handle 18 brings the first clamping column 15 into the first movable cavity 12 through the first limit plate 14, then rotate the clamping tube 10 to make the clamping plate 17 stick to the movable seat 7, and finally release the push handle 18, and the restoring force of the first return spring 13 drives the first clamping column 15 to enter the clamping hole 16 opened on the clamping plate 17 through the first limit plate 14, so that the movable seat 7 and the clamping tube 10 are fixedly connected together, and the clamping plate 11 moves along the inclined surface of the second clamping column 22 to make the second clamping column 22 disengage from the clamping groove 23 Enter into the second movable 19, then pull out or push the clamp 11 into the clamping cylinder 10 to the appropriate position, then the restoring force of the second return spring 20 drives the second clamping column 22 to enter another set of clamping grooves 23 again through the second limit plate 21, and finally rotate the second knob 25 ninety degrees. The second knob 25 drives the second clamping column 22 to rotate ninety degrees through the second limit plate 21 and the connecting rod 24, so that the clamp 11 cannot press the second clamping column 22 into the second movable 19 along the inclined surface of the second clamping column 22.

[0031] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0032] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A portable measuring device for forest survey, the measuring device comprising a support (1), the support (1) being provided with a measuring mechanism, characterized in that: The measuring mechanism comprises a servo motor (4) arranged at the left end of the bracket (1); the output shaft of the servo motor (4) is fixedly connected to a bidirectional screw rod (5); the bidirectional screw rod (5) is rotatably connected to the inside of the bracket (1); the outer side of the bracket (1) is threadedly connected to two symmetrical groups of movable seats (7); the bottom ends of the two groups of movable seats (7) are respectively fixedly installed with a distance meter (8) and a distance plate (9); the movable seat (7) is hinged with a clamping cylinder (10), and a clamping plate (11) is clamped in the clamping cylinder (10).

2. A portable measuring device for forest survey according to claim 1, characterized in that: A controller (2) is fixedly mounted on the front end of the bracket (1), and a scale (3) is fixedly mounted on the upper end of the bracket (1).

3. A portable measuring device for forest survey according to claim 1, characterized in that: A first knob (6) is provided at the right end of the bracket (1), and the first knob (6) is fixedly mounted on one end of the bidirectional screw rod (5).

4. A portable measuring device for forest survey according to claim 1, characterized in that: The bracket (1) is provided with an assembly mechanism, which comprises a first movable cavity (12) opened inside the movable seat (7), a first return spring (13) is arranged inside the first movable cavity (12), a first limit plate (14) is arranged on one side of the first return spring (13), and a first clamping column (15) is fixedly connected to the side of the first limit plate (14).

5. A portable measuring device for forest survey according to claim 4, characterized in that: A clamping plate (17) is fixedly connected to the clamping barrel (10), and a clamping hole (16) is provided on the clamping plate (17), and the clamping hole (16) is adapted to the first clamping column (15).

6. A portable measuring device for forest survey according to claim 4, characterized in that: The upper end of the first limiting plate (14) is fixedly connected to a push handle (18), and the push handle (18) is arranged on the upper end of the movable seat (7).

7. The portable measuring device for forest survey according to claim 1, characterized in that: The clamp (10) is provided with a second movable member (19), the interior of the clamp (10) is provided with a second return spring (20), a second limit plate (21) is provided on one side of the second return spring (20), one end of a second clamping column (22) is fixedly connected to the outer side of the second limit plate (21), the other end of the second clamping column (22) is clamped in a clamping groove (23), the clamping groove (23) is clamped on the clamping plate (11), and the clamping plate (11) is provided with at least two groups.

8. The portable measuring device for forest survey according to claim 7, characterized in that: One end of a connecting rod (24) is fixedly connected to the inner side of the second limiting plate (21), the other end of the connecting rod (24) passes through the clamp (10) and is fixedly connected to a second knob (25), and a second return spring (20) is sleeved on the outer side of the connecting rod (24).

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