Handheld dead standing tree decomposition measuring instrument
By designing an adjustable elastic telescopic component and a motor control system, the problem of decreased accuracy of the spring knife was solved, achieving high-precision decomposition and measurement of dead and standing trees, and featuring convenient operation and data transmission functions.
Patent Information
- Application Number
- CN202422820779.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-19
AI Technical Summary
In existing technologies, the accuracy of spring knives deteriorates after repeated use, and the spring force cannot be adjusted, leading to measurement errors in the decomposition of dead and standing trees, and failing to meet precision requirements.
A handheld dead and standing tree decomposition measuring instrument was designed, which includes an adjustable elastic telescopic component, a motor, a winding wheel, a telescopic sleeve, a traction rope, and a pressure sensor. The elastic force of the spring is controlled by a circuit board to achieve elastic force adjustment and precise measurement.
It achieves adjustable elasticity, reduces measurement errors, improves measurement accuracy and convenience, and is easy to carry and transmit data.
Smart Images

Figure CN223742277U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of auxiliary tools for decomposing dead and standing trees, specifically relating to a handheld dead and standing tree decomposition measuring instrument. Background Technology
[0002] Dead standing trees are an important component of a healthy forest ecosystem, a significant carbon pool, and a key factor influencing forest biodiversity. The decomposition of dead standing trees plays an indispensable role in carbon cycling and providing habitats for other organisms.
[0003] Current technology typically uses a spring-loaded blade inserted into a dead standing tree to measure its condition. While simple to operate, this method has limitations. A single type of spring-loaded blade provides only one spring force, which is often not adjustable. After repeated use, the spring's accuracy may deteriorate, leading to errors. Therefore, a more precise electronic instrument with adjustable spring force is needed for testing the degree of decomposition of dead standing trees; thus, there is room for improvement. Utility Model Content
[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a handheld dead and standing tree decomposition measuring instrument that can adjust the elasticity to reduce the problem of decreased accuracy of the measuring instrument after long-term use.
[0005] The objective of this utility model is achieved through the following technical solution:
[0006] A handheld standing tree decomposition measuring instrument includes a measuring instrument body and a measuring rod disposed on the measuring instrument body. The measuring rod includes a fixed tube, a drill bit, a spring, and a telescopic component. The fixed tube is disposed on the measuring instrument body, the drill bit is inserted into the fixed tube, and a limiting component is provided at the end of the drill bit, which restricts the drill bit to the end of the fixed tube. The telescopic component is disposed inside the measuring instrument body, with one end of the telescopic component extending into the fixed tube. The spring is sleeved on the outer circumference of the telescopic component, and its two ends are respectively connected to the two ends of the telescopic component. The spring is in a compressed state.
[0007] Furthermore, the outer circumferential surface of the drill bit is provided with graduations.
[0008] Furthermore, the telescopic component includes a motor, a take-up reel, a telescopic sleeve, and a traction rope. The motor is located inside the main body of the measuring instrument. The take-up reel rotates coaxially with the drive end of the motor. One end of the telescopic sleeve is connected to the main body of the measuring instrument, and the other end of the telescopic sleeve extends into the fixed tube. A spring is sleeved on the surface of the telescopic sleeve, and both ends of the spring are connected to both ends of the telescopic sleeve. Both ends of the traction rope are connected to the take-up reel and the end of the telescopic sleeve near the fixed tube, respectively.
[0009] Furthermore, it also includes a circuit board, a pressure sensor and a display screen electrically connected to the circuit board, the circuit board being disposed within the main body of the measuring instrument, the pressure sensor being disposed on the telescopic sleeve, the end of the spring being connected to the sensing end of the pressure sensor, and the display screen being embedded on the surface of the main body of the measuring instrument, the pressure sensor being used to display the detected spring force on the display screen via the circuit board.
[0010] Furthermore, the surface of the measuring instrument body is provided with numerical buttons, which are used to input the expected spring force to the circuit board. The circuit board controls the motor to rotate according to the expected spring force, so as to control the winding wheel to wind / unwind the traction rope, thereby adjusting the spring force.
[0011] Furthermore, the surface of the measuring instrument body is provided with a USB interface, which is electrically connected to the circuit board and is used to connect external devices to transmit data.
[0012] Furthermore, the limiting component is a limiting ball, and the inner circumferential surface of the end of the fixing tube is a conical hole.
[0013] Furthermore, both the fixing tube and the drill bit are made of stainless steel.
[0014] This utility model has the following beneficial effects:
[0015] This invention, when measuring the decomposition of standing dead trees using a decomposition measuring instrument, involves storing the drill bit inside a fixed tube, then placing the measuring instrument horizontally with the end of the fixed tube against the surface of the standing dead tree. The spring force is then adjusted via a telescopic component. When the spring force reaches the desired value, the telescopic component is released, and the spring's return force is applied to the drill bit, causing it to insert into the standing dead tree. The depth of the drill bit's insertion into the tree is then measured to determine the decomposition status. Therefore, this invention offers the advantages of simple and efficient spring force adjustment and portability. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a partial schematic diagram of the internal structure of this utility model.
[0018] In the diagram: 1. Measuring instrument body; 11. Display screen; 12. Numerical buttons; 13. USB interface; 2. Measuring rod; 21. Fixing tube; 211. Tapered hole; 22. Drill bit; 221. Limiting ball; 23. Spring; 24. Telescopic component; 241. Motor; 242. Rewinding reel; 243. Telescopic sleeve; 244. Traction rope; 25. Pressure sensor. Detailed Implementation
[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Terms such as “upper,” “inner,” “middle,” “left,” “right,” and “one” used in this specification are merely for clarity of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the present invention.
[0020] This utility model relates to a dead standing tree decomposition measuring instrument, primarily used to measure the decomposition of the surface of dead standing trees. Before use, the force applied to the measuring end can be adjusted. Then, under the expected force, the measuring end is inserted into the dead standing tree. By detecting the insertion depth of the measuring end, the decomposition status of the dead standing tree can be indirectly determined. The following is a detailed description of the instrument's structure.
[0021] A handheld standing tree decomposition measuring instrument, such as Figure 1 and Figure 2 As shown, the instrument includes a main body 1 and a measuring rod 2 mounted on the main body 1. The measuring rod 2 is used to measure the decomposition of dead standing trees. The measuring rod 2 includes a fixed tube 21, a drill bit 22, a spring 23, and a telescopic component 24. The fixed tube 21 is mounted on the main body 1, and the drill bit 22 is inserted into the fixed tube 21. A limiter is provided at the end of the drill bit 22, which restricts the drill bit 22 to the end of the fixed tube 21. The telescopic component 24 is located inside the main body 1, with one end of the telescopic component 24 extending into the fixed tube 21. The spring 23 is sleeved on the outer circumference of the telescopic component 24, and its two ends are connected to the two ends of the telescopic component 24, respectively. The spring 23 is in a compressed state. The outer circumference of the drill bit 22 is marked with graduations for measuring the depth to which the drill bit 22 is inserted into the dead standing tree during use.
[0022] Therefore, when using a disintegration measuring instrument to measure the disintegration of dead standing trees, the drill bit 22 is stored inside the fixed tube 21. Then, the measuring instrument is placed horizontally with the end of the fixed tube 21 against the surface of the dead standing tree. The elastic force of the spring 23 is then adjusted through the telescopic component 24. When the elastic force reaches the expected value, the telescopic component 24 is released. Under the reset action of the spring 23, the elastic force of the spring 23 is applied to the drill bit 22 and inserted into the dead standing tree. The disintegration of the dead standing tree is then determined by measuring the depth to which the drill bit 22 is inserted into the dead standing tree.
[0023] In this embodiment, the telescopic component 24 includes a motor 241, a take-up reel 242, a telescopic sleeve 243 (the telescopic sleeve 243 is a double-section sleeve), and a traction rope 244. The motor 241 is installed inside the measuring instrument body 1. The take-up reel 242 rotates coaxially with the drive end of the motor 241. One end of the telescopic sleeve 243 is connected to the measuring instrument body 1, and the other end of the telescopic sleeve 243 extends into the fixed tube 21. A spring 23 is sleeved on the outer circumference of the telescopic sleeve, and both ends of the spring 23 are connected to both ends of the telescopic sleeve. Both ends of the traction rope 244 are connected to the take-up reel 242 and the end of the telescopic sleeve near the fixed tube 21, respectively. Therefore, by controlling the rotation of the motor 241, the take-up reel 242 is used to wind or unwind the traction rope 244 to adjust the length of the telescopic sleeve 243, thereby adjusting the elastic force of the spring 23. This provides the advantages of accurate, efficient, and stable adjustment.
[0024] The standing tree decomposition measuring instrument of this utility model also includes a circuit board (not shown), a pressure sensor 25 and a display screen 11 electrically connected to the circuit board. The circuit board is set inside the main body 1 of the measuring instrument, the pressure sensor 25 is set on the telescopic sleeve, the end of the spring 23 is connected to the sensing end of the pressure sensor 25, and the display screen 11 is embedded in the surface of the main body of the measuring instrument. The pressure sensor 25 is used to display the detected spring force of the spring 23 on the display screen 11 through the circuit board. Therefore, while adjusting the length of the telescopic sleeve and thus adjusting the spring force of the spring 23, the change of the spring force on the display screen 11 can be observed simultaneously, which is convenient for the user to observe in real time and react in time, thus having the advantage of ease of use.
[0025] In this embodiment, the surface of the measuring instrument body is provided with numerical buttons 12. The numerical buttons 12 are used to input the expected elastic force of the spring 23 to the circuit board. The circuit board controls the motor 241 to rotate according to the expected elastic force, thereby controlling the winding wheel 242 to wind / unwind the traction rope 244, and thus adjusting the elastic force of the spring 23 to achieve the expected elastic force. Therefore, it has the function of being easy to operate. At the same time, the surface of the measuring instrument body is provided with a USB interface 13. The USB interface 13 is electrically connected to the circuit board and is used to connect external devices to transmit data (this data may be elastic force change data, drill bit 22 insertion depth data into the dead standing tree, etc.).
[0026] In this embodiment, the limiting component is a limiting ball 221, and the inner circumferential surface of the end of the fixing tube 21 is in the shape of a conical hole 211. Therefore, under the elastic force of the elastic component, the drill bit 22 will extend in a direction away from the measuring instrument body 1. However, under the limiting action of the limiting ball 221 and the conical hole 211, it is restricted to the end of the telescopic sleeve to reduce the possibility of the drill bit 22 extending completely outside the telescopic sleeve.
[0027] In this embodiment, both the fixing tube 21 and the drill bit 22 are made of stainless steel. Therefore, when used in a humid environment, this reduces the likelihood of rust on the disassembly measuring instrument, thus better protecting the product's lifespan.
[0028] The working principle of this handheld dead standing tree decomposition measuring instrument is as follows: When using it, according to the experimental requirements, the measuring instrument is horizontally aligned with the dead standing tree, the drill bit 22 is retracted into the fixed tube 21, the measuring instrument body 1 is held in hand, the numerical button 12 is pressed, and the relevant data such as the change of elasticity are observed through the display screen 11. When the elasticity reaches the expected elasticity value, the spring 23 is released by pressing the start button on the measuring instrument body, so that the drill bit 22 penetrates the dead standing tree, the scale value is read and recorded, and after the experiment, the data is exported through the USB transmission interface for convenient data processing and analysis.
[0029] The embodiments of this utility model are not limited thereto. Based on the above content of this utility model, using ordinary technical knowledge and conventional means in the field, without departing from the basic technical idea of this utility model, this utility model can also be modified, replaced or combined in various other forms, all of which fall within the scope of protection of this utility model.
Claims
1. A hand-held standing dead wood decomposition measuring instrument, characterized by, The utility model provides a kind of measuring instrument, including measuring instrument main body and the measuring rod piece being arranged on measuring instrument main body;The measuring rod piece includes fixed tube, drill bit, spring and telescopic piece, the fixed tube is arranged on the measuring instrument main body, the drill bit is inserted with the fixed tube, the end of the drill bit is provided with limiting piece, the drill bit is limited in the end of the fixed tube by the limiting piece, the telescopic piece is arranged in the measuring instrument main body, one end of the telescopic piece is inserted into the fixed tube, the spring is sleeved on the outer circumferential surface of the telescopic piece, and the two ends of the spring are connected with the two ends of the telescopic piece respectively, and the spring is in compression state.
2. The hand-held standing dead wood decomposition measuring instrument according to claim 1, wherein The outer circumferential surface of the drill bit is provided with a scale.
3. The hand-held standing dead wood decomposition measuring instrument according to claim 1, wherein The telescopic piece includes a motor, a winding wheel, a telescopic sleeve, and a traction rope. The motor is arranged in the measuring instrument main body. The winding wheel is coaxially rotatable with the driving end of the motor. One end of the telescopic sleeve is connected with the measuring instrument main body, and the other end of the telescopic sleeve is inserted into the fixed tube. The spring is sleeved on the surface of the telescopic sleeve, and the two ends of the spring are connected with the two ends of the telescopic sleeve respectively. The two ends of the traction rope are connected with the winding wheel and the telescopic sleeve near the end of the fixed tube respectively.
4. The hand-held standing dead wood decomposition measuring instrument according to claim 3, wherein It also includes a circuit board, a pressure sensor, and a display screen electrically connected to the circuit board. The circuit board is arranged in the measuring instrument main body. The pressure sensor is arranged on the telescopic sleeve. The end of the spring is connected with the sensing end of the pressure sensor. The display screen is embedded on the surface of the measuring instrument main body. The pressure sensor is used to display the detected spring force on the display screen through the circuit board.
5. The hand-held standing dead wood decomposition measuring instrument according to claim 4, wherein The surface of the measuring instrument main body is provided with a numerical key. The numerical key is used to input the expected spring force of the spring to the circuit board. The circuit board controls the rotation of the motor according to the expected spring force to control the winding wheel to wind / unwind the traction rope, thereby adjusting the spring force.
6. The hand-held standing dead wood decomposition measuring instrument according to claim 4, wherein The surface of the measuring instrument main body is provided with a USB interface electrically connected to the circuit board. The USB interface is used to connect external devices to transmit data.
7. The hand-held standing dead wood decomposition measuring instrument according to claim 1, wherein The limiting piece adopts a limiting ball, and the inner circumferential surface of the end of the fixed tube is in the shape of a tapered hole.
8. The hand-held standing dead wood decomposition measuring instrument according to claim 1, wherein The fixed tube and the drill bit are made of stainless steel material.