Wheel ruler for measuring diameter at breast height of forest

Abstract

The utility model provides a wheel ruler for measuring the diameter at breast height of a forest, and relates to the technical field of forest diameter at breast height measurement. The wheel ruler for measuring the diameter at breast height of the forest comprises a ruler seat, a placement groove is formed in the ruler seat, a first stop lever is hinged to one end in the placement groove through a pin shaft, and a torsion spring is connected to the pin shaft of the first stop lever in a sleeved mode. According to the device, the diameter at breast height of a forest tree is measured through a first stop lever and a second stop lever, the first stop lever is retracted into a placement groove by rotating the first stop lever, then a sliding strip is controlled to slide towards one end of the first stop lever, and the first stop lever is prevented from rotating out of the placement groove under the action of a fixing frame; and then a sliding block is controlled to slide away from a first stop lever in a placement groove, a second stop lever is extruded through a fixing strip to automatically turn over and be stored in the placement groove, carrying and storage are facilitated, the circumference of the forest can be measured under the action of a measuring tape, and the adaptability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel rule, in particular to a wheel rule for measuring the diameter at breast height of a tree, belonging to the technical field of diameter at breast height measurement of trees. BACKGROUND

[0002] Diameter at breast height is the abbreviation of chest height diameter, and diameter at breast height refers to the diameter of the trunk of a tree at chest height, and when the cross section is deformed, the average value of the maximum value and the minimum value is measured, the chest height of different trees is different, and the provisions of diameter at breast height are different in different countries, and the chest height position is defined as 1.3m above the ground in China and most countries.

[0003] A wheel rule for measuring the diameter at breast height of a tree is disclosed in Chinese patent publication CN2095397U, which mainly comprises a tubular shaped ruler body and a sliding scale slidingly arranged on the ruler body. The wheel rule has the advantages of good rigidity, small measurement error, high durability, and the tubular ruler body can contain paint, which is convenient for painting and marking, and replaces the cumbersome tools and processes such as paint cans and brushes.

[0004] However, the inventor of the above device believes that there are certain defects. The above device uses a sliding scale to measure the diameter at breast height of a tree, but the length of the sliding scale is too long, which is not convenient for carrying and storing, and only the diameter at breast height of a tree can be measured, which is not convenient for measuring the girth of a tree, and the universality is poor. Therefore, the utility model provides a wheel rule for measuring the diameter at breast height of a tree. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] The purpose of the utility model is to solve the above problems and provide a wheel rule for measuring the diameter at breast height of a tree, so as to solve the problems of the prior art, such as the length of the sliding scale being too long, which is not convenient for carrying and storing, and only the diameter at breast height of a tree can be measured, which is not convenient for measuring the girth of a tree, and the universality is poor.

[0007] (II) Technical scheme

[0008] The utility model is realized by the following technical scheme: a wheel rule for measuring the diameter at breast height of a tree, comprising a ruler seat, a placing groove is formed in the ruler seat, a first stop lever is hinged to one end of the inside of the placing groove through a pin shaft, a torsion spring is sleeved on the pin shaft of the first stop lever, a sliding block is slidably connected in the inside of the placing groove, a second stop lever is hinged to the sliding block through a pin shaft, a torsion spring is sleeved on the pin shaft of the second stop lever, a scale line is arranged on the ruler seat, a fixed strip for turning over the second stop lever is fixedly connected in the inside of the placing groove, a sliding strip is slidably connected in the inside of the placing groove, a fixed frame matched with one end of the first stop lever is fixedly connected to one side surface of the sliding strip, and a tape measure is arranged on the ruler seat.

[0009] Preferably, a communication groove is formed in the ruler seat and communicates with the placing groove, and a connecting block is fixedly connected to the sliding block and slides in the communication groove, so that the sliding block is stably slid in the placing groove under the action of the connecting block and the communication groove.

[0010] Preferably, the two ends of the sliding bar slide in the two communication grooves, and a pull tab is fixedly connected to one end of the sliding bar and the two connecting blocks, so that the sliding bar and the sliding block are controlled to slide in the placing groove under the action of the pull tab.

[0011] Preferably, a first sliding rod is slidably connected to one end of the first stop rod, and a second sliding rod is slidably connected to one end of the second stop rod, so that one end of the first stop rod and the second stop rod is lengthened under the action of the first sliding rod and the second sliding rod, thereby facilitating the diameter measurement of the forest trees with different diameters.

[0012] Preferably, the ruler seat is provided with a telescopic rod, the telescopic end of the telescopic rod is hingedly connected to the ruler seat through a pin shaft, the telescopic rod is lengthened, and the maximum length of the telescopic rod is 1.3 meters, so that the staff can quickly find the chest height position.

[0013] Preferably, a receiving cavity is formed in the ruler seat, a winding rod is rotatably connected in the receiving cavity, and one end of the tape measure is wound on the winding rod, so that the tape measure is wound by rotating the winding rod.

[0014] Preferably, a clamping groove is formed in the ruler seat, the other end of the tape measure is fixedly connected with a plug, and the plug is placed in the clamping groove, so that the other end of the tape measure is mounted on the ruler seat by placing the plug in the clamping groove.

[0015] The utility model provides a wheel ruler for measuring the diameter at breast height of forest trees, which has the following advantages:

[0016] 1. The device measures the diameter at breast height of forest trees through the first stop rod and the second stop rod, the first stop rod is retracted into the placing groove by rotating the first stop rod, the first stop rod is limited to rotate out of the placing groove by the action of the fixed frame, the sliding block is controlled to slide away from the first stop rod in the placing groove, the second stop rod is automatically turned in the placing groove by the fixed bar, so that the device is convenient to carry and store, and the circumference of the forest trees can be measured under the action of the tape measure, thereby improving the adaptability of the device.

[0017] 2、 the device is through rotating telescopic rod makes telescopic rod and ruler seat is perpendicular, and the maximum length value of telescopic rod after stretching is 1.3 meters, so that the measuring personnel quickly find 1.3 meters, under the action of first sliding rod and second sliding rod, the length value of the one end of first stop rod and second stop rod can be lengthened, the diameter of different forest trees is conveniently measured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall perspective drawing of the utility model;

[0019] Figure 2 It is the communication groove structure perspective drawing of the utility model;

[0020] Figure 3 It is the sliding block structure perspective drawing of the utility model;

[0021] Figure 4 It is the fixed frame structure perspective drawing of the utility model;

[0022] Figure 5 It is the storage cavity structure schematic view of the utility model;

[0023] Figure 6 It is the utility model's Figure 1 A enlarged schematic view.

[0024]

MAIN COMPONENT SYMBOL EXPLANATION

[0025] 1, ruler seat;11, communication groove;12, storage cavity;13, clamping groove;2, first stop rod;21, first sliding rod;3, sliding block;31, connecting block;4, second stop rod;41, second sliding rod;5, fixed strip;6, sliding strip;61, fixed frame;7, telescopic rod;8, tape;81, winding rod;82, plug-in block. DETAILED DESCRIPTION

[0026] The utility model embodiment provides a kind of wheel ruler for measuring forest tree breast height diameter.

[0027] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 , a kind of wheel ruler for measuring forest tree breast height diameter, including ruler seat 1, is placed with the groove being set on ruler seat 1, and one end inside the placement groove is hinged with first stop rod 2 by pin shaft, torsion spring is sleeved on the pin shaft of first stop rod 2, first stop rod 2 is arranged at one end of ruler seat 1, under the action of torsion spring, first stop rod 2 is not forced to turn over from inside the placement groove, so that first stop rod 2 is perpendicular with ruler seat 1, by folding storage by turning over first stop rod 2 to inside the placement groove.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , the inside of the placing groove is slidably connected with a sliding block 3, the second blocking rod 4 is hingedly connected to the sliding block 3 through a pin shaft, a torsion spring is sleeved on the pin shaft of the second blocking rod 4, and the second blocking rod 4 is flipped out of the inside of the placing groove through the rebound of the torsion spring when the second blocking rod 4 is not forced, so that the second blocking rod 4 is perpendicular to the ruler seat 1, the ruler seat 1 is provided with a scale line, the first blocking rod 2 and the second blocking rod 4 are controlled to slide in the inside of the placing groove to clamp the forest, and the diameter at breast height of the forest is measured under the action of the scale line, the ruler seat 1 is provided with a communication groove 11 in communication with the placing groove, the sliding block 3 is fixedly connected with a connecting block 31, and the connecting block 31 slides in the inside of the communication groove 11; under the action of the communication groove 11 and the connecting block 31, the sliding block 3 is stably slid in the inside of the placing groove.

[0029] Please refer to Figure 1 , Figure 2 and Figure 3 , one end of the first blocking rod 2 is slidably connected with a first sliding rod 21, one end of the second blocking rod 4 is slidably connected with a second sliding rod 41, the cross sections of the first sliding rod 21 and the second sliding rod 41 are T-shaped, the second sliding rod 41 and the first sliding rod 21 are pulled to slide when a forest with a larger diameter is encountered, so as to extend the length of one end of the first blocking rod 2 and the second blocking rod 4, thereby facilitating the measurement of the diameter at breast height of the forest.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the inside of the placing groove is fixedly connected with a fixed strip 5 for extruding the second blocking rod 4 to flip, when the sliding block 3 slides to the fixed strip 5, one side of the second blocking rod 4 is extruded by the fixed strip 5 to push the second blocking rod 4 to flip, and under the blocking action of the fixed strip 5, the second blocking rod 4 is quickly folded and stored, the inside of the placing groove is slidably connected with a sliding strip 6, one side of the sliding strip 6 is fixedly connected with a fixed frame 61 matched with one end of the first blocking rod 2, when the first blocking rod 2 is flipped into the inside of the placing groove, the fixed frame 61 is controlled to move close to one end of the first blocking rod 2, so that the fixed frame 61 limits the first blocking rod 2 from being flipped open, the two ends of the sliding strip 6 slide in the two communication grooves 11 respectively, and the two ends of the sliding strip 6 and one end of the two connecting blocks 31 are fixedly connected with pull tabs, so as to control the sliding of the sliding block 3 and the sliding strip 6 in the inside of the placing groove under the action of the pull tabs.

[0031] Please refer to Figure 1 and Figure 2The telescopic rod 7 is hinged on the ruler seat 1 through a pin shaft, the chest height position in China and most countries is 1.3 meters above the ground, the maximum length of the telescopic rod 7 is 1.3 meters, and the telescopic rod 7 is parallel to the ruler seat 1 after being turned over, so that the occupied space of the device as a whole is reduced.

[0032] Please refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 6 The telescopic rod 7 is hinged on the ruler seat 1 through a pin shaft, the chest height position in China and most countries is 1.3 meters above the ground, the maximum length of the telescopic rod 7 is 1.3 meters, and the telescopic rod 7 is parallel to the ruler seat 1 after being turned over, so that the occupied space of the device as a whole is reduced.

[0033] Working principle: the telescopic rod 7 is perpendicular to the ruler seat 1 by being turned over, then the fixed frame 61 is taken off from one end of the first stop rod 2 by pulling the sliding bar 6 away from the first stop rod 2, the first stop rod 2 is turned out of the placing groove under the action of the torsion spring, the second stop rod 4 is turned out of the placing groove by the torsion spring when the sliding block 3 slides away from the bottom of the fixed bar 5, the maximum length of the telescopic rod 7 is 1.3 meters, so that the ruler seat 1 measures the chest diameter of the tree at 1.3 meters, the chest diameter of the tree is measured by the first stop rod 2 and the second stop rod 4 by controlling the sliding block 3 to approach the first stop rod 2, the value is quickly read under the action of the scale line, when not in use, the first stop rod 2 and the second stop rod 4 are turned into the placing groove, the telescopic rod 7 is turned into the bottom of the ruler seat 1, the device as a whole is folded and stored, the tape 8 is pulled out from the inside of the storage cavity 12 by pulling the plug 82 at one end of the tape 8, the tape 8 is wound around the tree, the plug 82 is placed in the clamping groove 13, and the circumference of the tree is measured under the action of the tape 8.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wheel gauge for measuring the diameter of a tree trunk, comprising a gauge base (1), characterised in that: The ruler seat (1) is provided with a placing groove, one end of the placing groove is hingedly connected with a first stop lever (2) through a pin shaft, a torsion spring is sleeved on the pin shaft of the first stop lever (2), a sliding block (3) is slidably connected in the placing groove, the sliding block (3) is hingedly connected with a second stop lever (4) through a pin shaft, a torsion spring is sleeved on the pin shaft of the second stop lever (4), the ruler seat (1) is provided with a scale line, a fixed strip (5) for extruding the second stop lever (4) to turn over is fixedly connected in the placing groove, a sliding strip (6) is slidably connected in the placing groove, one side of the sliding strip (6) is fixedly connected with a fixed frame (61) matched with one end of the first stop lever (2), and the ruler seat (1) is provided with a tape measure (8).

2. The wheel gauge for measuring the diameter of a tree according to claim 1, wherein: The ruler seat (1) is provided with a communicating groove (11) communicated with the placing groove, and the sliding block (3) is fixedly connected with a connecting block (31).

3. The wheel gauge for measuring the diameter of a tree according to claim 2, wherein: Both ends of the sliding strip (6) are slidably arranged in two communicating grooves (11), and one end of the sliding strip (6) and the two connecting blocks (31) are fixedly connected with a pull tab.

4. The wheel gauge for measuring the diameter of a tree according to claim 1, wherein: One end of the first stop lever (2) is slidably connected with a first sliding rod (21), and one end of the second stop lever (4) is slidably connected with a second sliding rod (41).

5. The wheel gauge for measuring the diameter of a tree according to claim 1, wherein: The ruler seat (1) is provided with a telescopic rod (7), and the telescopic end of the telescopic rod (7) is hingedly connected to the ruler seat (1).

6. The wheel gauge for measuring the diameter of a tree according to claim 1, wherein: The ruler seat (1) is provided with a telescopic rod (7), and the telescopic end of the telescopic rod (7) is hingedly connected to the ruler seat (1).

7. The wheel gauge for measuring the diameter of a tree according to claim 6, wherein: The ruler seat (1) is provided with a telescopic rod (7), and the telescopic end of the telescopic rod (7) is hingedly connected to the ruler seat (1). The ruler seat (1) is provided with a telescopic rod (7), and the telescopic end of the telescopic rod (7) is hingedly connected to the ruler seat (1). The ruler seat (1) is provided with a telescopic rod (7), and the telescopic end of the telescopic rod (7) is hingedly connected to the ruler seat (1).

Images