Measuring device

Abstract

The utility model discloses a measuring device, which relates to the technical field of forestry measurement, and comprises a main measuring cylinder, the inner walls of the two sides of the main measuring cylinder are connected with a first sliding block and a second sliding block in a sliding manner, the interior of the main measuring cylinder is rotatably connected with a central shaft, and the outer wall of the central shaft is fixedly connected with a gear. The beneficial effects of the utility model are that the device can be quickly unfolded for measurement, the use is convenient and fast, time and labor are saved, and the measurement accuracy is improved. The gear pushes the first sliding block and the second sliding block out of the main measuring cylinder through the first rack and the second rack, fine adjustment of the two sides of the device is achieved, and the device is attached to trees to be measured on the two sides.

Description

Technical Field

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

[0002] As we all know, forestry refers to the production sector that protects the ecological environment and maintains ecological balance, cultivates and protects forests to obtain timber and other forest products, and utilizes the natural characteristics of forests to play a protective role. It is an important part of the national economy. Forestry is engaged in the cultivation, protection, and utilization of forest resources in the human and biosphere through advanced science and technology and management methods, giving full play to the multiple benefits of forests, and can sustainably manage forest resources and promote the coordinated development of population, economy, society, environment and resources. It is a basic industry and social welfare undertaking. In order to understand the changes in the ecological environment, it is necessary to use measuring devices to detect the forestry environment.

[0003] The measuring devices in the prior art are usually driven by screws or lead screws. Manually driving the screws or lead screws for measurement is time-consuming and labor-intensive, which is not conducive to the efficiency of forestry measurement. The electric devices are heavy and inconvenient for users to carry. Utility Model Content

[0004] The purpose of the utility model is to provide a measuring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a measuring device, comprising a main measuring cylinder, the inner walls on both sides of the main measuring cylinder are slidably connected with a first sliding block and a second sliding block, the interior of the main measuring cylinder is rotatably connected with a central axis, the outer wall of the central axis is fixedly connected with a gear, the inner wall of the main measuring cylinder is slidably connected with a first rack and a second rack, the first rack and the second rack are meshed with the gear, one side of the first rack is fixedly connected with the first sliding block, one side of the second rack is fixedly connected with the second sliding block, a telescopic rod is slidably connected to the middle part of the first sliding block and the second sliding block, a plurality of positioning holes are provided on the top of the telescopic rod, one side of the first sliding block and the second sliding block is threadedly connected with a positioning bolt, and the bottom of the positioning bolt is threadedly connected with the positioning hole.

[0006] Preferably, a first scale line is arranged on one side of the main measuring cylinder, a second scale line is arranged on one side of the first sliding block and the second sliding block, and a third scale line is arranged on one side of the telescopic rod.

[0007] Preferably: a fixed box is fixedly connected to one side of the main measuring cylinder, a worm gear is fixedly connected to the outer wall of the central axis inside the fixed box, a rotating shaft is rotatably connected to the inside of the fixed box, a worm is fixedly connected to the outer wall of the rotating shaft, the worm is meshingly connected to the worm wheel, and a knob is fixedly connected to the top of the rotating shaft.

[0008] Preferably: a diameter measuring rod is fixedly connected to a side of the telescopic rod away from the main measuring cylinder, a fixing sleeve is fixedly connected to a side of the diameter measuring rod close to the telescopic rod, and a first measuring clamp is fixedly connected to a side of the fixing sleeve.

[0009] Preferably: the surface of the diameter measuring rod is slidably connected to a sliding sleeve, the outer wall of the sliding sleeve is rotatably connected to a rotating sleeve, the outer wall of the rotating sleeve is provided with two fixing holes, one side of the sliding sleeve is threadedly connected to a fixing bolt, and the side of the fixing bolt is fixedly connected to a second measuring clamp.

[0010] Preferably: a fourth scale is provided on the side surface of the diameter measuring rod.

[0011] Preferably, a base is provided directly below the main measuring cylinder.

[0012] Preferably: a storage rod is fixedly connected to the top of the base, a lifting rod is slidably connected inside the storage rod, an adjustment hole is provided on the side of the lifting rod, a bolt is threadedly connected to the side of the storage rod, and the bolt is threadedly connected to the adjustment hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: through the arrangement of the first sliding block, the second sliding block and the telescopic rod, when measuring the spacing between trees, the positioning bolt can be unscrewed and the telescopic rod can be pulled, so that the telescopic rod can quickly slide out of the first sliding block and the second sliding block, thereby achieving the effect of quickly unfolding the device for measurement, which is convenient and fast to use, saving time and effort. The gear pushes the first sliding block and the second sliding block out of the main measuring cylinder through the first rack and the second rack, so as to achieve fine adjustment of both sides of the device and fit with the trees to be measured on both sides; through the arrangement of the sliding sleeve and the rotating sleeve, when measuring the spacing, the second measuring clamp is rotated to the angle just above the diameter measuring rod, and then the fixing bolt is passed through it A fixing hole fixes the second measuring clamp in the vertical direction, so that when the device is extended to both sides, the second measuring clamp will not interfere with the movement of the tree trunk. The fixing bolt is unscrewed and the second measuring clamp is rotated to the same direction as the first measuring clamp, and then the corresponding fixing hole is fixed by the fixing bolt. Subsequently, the distance between the first measuring clamp and the second measuring clamp is adjusted under the sliding connection between the sliding sleeve and the diameter measuring rod, thereby achieving the effect of measuring the diameter of the tree trunk; through the setting of the storage rod and the lifting rod, the lifting rod can be pulled out upwards after the bolt is unscrewed, so as to adjust the height of the device body according to the measurement requirements. After the adjustment is completed, the bolt is screwed in so that the bolt is fixed to the corresponding adjustment hole, thereby achieving the effect of height adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the structure of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 5 It is a partial structural schematic diagram of the utility model.

[0019] In the figure: 1. main measuring cylinder; 2. first sliding block; 3. second sliding block; 4. central axis; 5. gear; 6. first rack; 7. second rack; 8. telescopic rod; 9. positioning hole; 10. positioning bolt; 11. first scale line; 12. second scale line; 13. third scale line; 14. fixing box; 15. worm gear; 16. rotating shaft; 17. worm; 18. knob; 19. diameter measuring rod; 20. fixing sleeve; 21. first measuring clamp; 22. sliding sleeve; 23. rotating sleeve; 24. fixing hole; 25. fixing bolt; 26. second measuring clamp; 27. fourth scale; 28. base; 29. ​​storage rod; 30. lifting rod; 31. adjustment hole; 32. bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 5 The utility model provides a technical solution: a measuring device, including a main measuring cylinder 1, the inner walls of both sides of the main measuring cylinder 1 are slidably connected with a first sliding block 2 and a second sliding block 3, the interior of the main measuring cylinder 1 is rotatably connected with a central axis 4, the outer wall of the central axis 4 is fixedly connected with a gear 5, the inner wall of the main measuring cylinder 1 is slidably connected with a first rack 6 and a second rack 7, the first rack 6 and the second rack 7 are meshed with the gear 5, one side of the first rack 6 is fixedly connected with the first sliding block 2, one side of the second rack 7 is fixedly connected with the second sliding block 3, a telescopic rod 8 is slidably connected to the middle part of the first sliding block 2 and the second sliding block 3, a plurality of positioning holes 9 are arranged on the top of the telescopic rod 8, a positioning bolt 10 is threadedly connected to one side of the first sliding block 2 and the second sliding block 3, and the bottom of the positioning bolt 10 is threadedly connected to the positioning hole 9.

[0022] In an optional embodiment: a first scale line 11 is provided on one side of the main measuring cylinder 1, a second scale line 12 is provided on one side of the first sliding block 2 and the second sliding block 3, a third scale line 13 is provided on one side of the telescopic rod 8, a fixed box 14 is fixedly connected to one side of the main measuring cylinder 1, a worm gear 15 is fixedly connected to the outer wall of the central axis 4 inside the fixed box 14, a rotating shaft 16 is rotatably connected to the inside of the fixed box 14, a worm 17 is fixedly connected to the outer wall of the rotating shaft 16, the worm 17 is meshingly connected to the worm wheel 15, and a knob 18 is fixedly connected to the top of the rotating shaft 16.

[0023] It should be noted that when measuring the spacing between trees, the positioning bolt 10 can be unscrewed and the telescopic rod 8 can be pulled to make the telescopic rod 8 quickly slide out of the first sliding block 2 and the second sliding block 3, thereby achieving the effect of quickly unfolding the device for measurement. It is convenient and quick to use, saving time and effort. When the telescopic rods 8 on both sides are extended to a rough spacing, the knob 18 is rotated so that the knob 18 drives the second rack 7 to rotate through the rotating shaft 16, thereby driving the worm gear 15 to rotate, and then driving the gear 5 to rotate through the central shaft 4, so that the gear 5 pushes the first sliding block 2 and the second sliding block 3 out of the main measuring tube 1 through the first rack 6 and the second rack 7, thereby achieving fine adjustment of both sides of the device to fit the trees to be measured on both sides.

[0024] In an optional embodiment: a diameter measuring rod 19 is fixedly connected to the side of the telescopic rod 8 away from the main measuring cylinder 1, a fixing sleeve 20 is fixedly connected to the side of the diameter measuring rod 19 close to the telescopic rod 8, and a first measuring clamping plate 21 is fixedly connected to the side of the fixing sleeve 20.

[0025] It should be noted that after the device is unfolded and gradually adjusted until the first measuring clamps 21 on both sides are in contact with the two trees to be measured, specific values ​​can be read through the first scale line 11, the second scale line 12 and the third scale line 13, which is convenient for use.

[0026] In an optional embodiment: the surface of the diameter measuring rod 19 is slidably connected to a sliding sleeve 22, the outer wall of the sliding sleeve 22 is rotatably connected to a rotating sleeve 23, the outer wall of the rotating sleeve 23 is provided with two fixing holes 24, one side of the sliding sleeve 22 is threadedly connected to a fixing bolt 25, the side of the fixing bolt 25 is fixedly connected to a second measuring clamping plate 26, and the side of the diameter measuring rod 19 is provided with a fourth scale 27.

[0027] It should be noted that when measuring the spacing, the second measuring clamp 26 is rotated to an angle just above the diameter measuring rod 19, and then the fixing bolt 25 fixes the second measuring clamp 26 in a vertical direction through one of the fixing holes 24, so that when the device is extended to both sides, the second measuring clamp 26 will not interfere with the movement of the trunk, so that the first measuring clamp 21 can be smoothly attached to the trunk for measurement after the device is extended. After the measurement and adjustment are completed, the fixing bolt 25 is unscrewed and the second measuring clamp 26 is rotated to the same direction as the first measuring clamp 21, and then the corresponding fixing hole 24 is fixed by the fixing bolt 25, and then the spacing between the first measuring clamp 21 and the second measuring clamp 26 is adjusted under the sliding connection between the sliding sleeve 22 and the diameter measuring rod 19, thereby achieving the effect of measuring the diameter of the trunk.

[0028] In an optional embodiment: a base 28 is provided directly below the main measuring cylinder 1, a storage rod 29 is fixedly connected to the top of the base 28, a lifting rod 30 is slidably connected inside the storage rod 29, an adjustment hole 31 is provided on the side of the lifting rod 30, a bolt 32 is threadedly connected to the side of the storage rod 29, and the bolt 32 is threadedly connected to the adjustment hole 31.

[0029] It should be noted that after unscrewing the bolt 32, the lifting rod 30 can be pulled upwards to adjust the height of the device body according to the measurement requirements. After the adjustment is completed, the bolt 32 is screwed in so that the bolt 32 is fixed to the corresponding adjustment hole 31, thereby achieving the effect of height adjustment.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A measuring device, comprising a main measuring cylinder (1), characterized in that: The inner walls of both sides of the main measuring cylinder (1) are slidably connected with a first sliding block (2) and a second sliding block (3); the interior of the main measuring cylinder (1) is rotatably connected with a central shaft (4); the outer wall of the central shaft (4) is fixedly connected with a gear (5); the inner wall of the main measuring cylinder (1) is slidably connected with a first rack (6) and a second rack (7); the first rack (6) and the second rack (7) are meshingly connected with the gear (5); one side of the first rack (6) is fixedly connected with the first sliding block (2); one side of the second rack (7) is fixedly connected with the second sliding block (3); a telescopic rod (8) is slidably connected to the middle of the first sliding block (2) and the second sliding block (3); a plurality of positioning holes (9) are arranged on the top of the telescopic rod (8); one side of the first sliding block (2) and the second sliding block (3) is threadedly connected with a positioning bolt (10); the bottom of the positioning bolt (10) is threadedly connected with the positioning hole (9).

2. A measuring device according to claim 1, characterized in that: A first scale line (11) is provided on one side of the main measuring cylinder (1), a second scale line (12) is provided on one side of the first sliding block (2) and the second sliding block (3), and a third scale line (13) is provided on one side of the telescopic rod (8).

3. A measuring device according to claim 1, characterized in that: A fixed box (14) is fixedly connected to one side of the main measuring cylinder (1); a worm gear (15) is fixedly connected to the outer wall of the central axis (4) inside the fixed box (14); a rotating shaft (16) is rotatably connected to the inside of the fixed box (14); a worm (17) is fixedly connected to the outer wall of the rotating shaft (16); the worm (17) is meshingly connected to the worm gear (15); and a knob (18) is fixedly connected to the top of the rotating shaft (16).

4. A measuring device according to claim 1, characterized in that: A diameter measuring rod (19) is fixedly connected to a side of the telescopic rod (8) away from the main measuring cylinder (1), a fixing sleeve (20) is fixedly connected to a side of the diameter measuring rod (19) close to the telescopic rod (8), and a first measuring clamping plate (21) is fixedly connected to a side surface of the fixing sleeve (20).

5. A measuring device according to claim 4, characterized in that: A sliding sleeve (22) is slidably connected to the surface of the diameter measuring rod (19), a rotating sleeve (23) is rotatably connected to the outer wall of the sliding sleeve (22), two fixing holes (24) are provided on the outer wall of the rotating sleeve (23), a fixing bolt (25) is threadedly connected to one side of the sliding sleeve (22), and a second measuring clamp (26) is fixedly connected to the side of the fixing bolt (25).

6. A measuring device according to claim 4, characterized in that: A fourth scale (27) is provided on the side of the diameter measuring rod (19).

7. A measuring device according to claim 1, characterized in that: A base (28) is provided directly below the main measuring cylinder (1).

8. A measuring device according to claim 7, characterized in that: A storage rod (29) is fixedly connected to the top of the base (28), a lifting rod (30) is slidably connected to the interior of the storage rod (29), an adjustment hole (31) is provided on the side of the lifting rod (30), a bolt (32) is threadedly connected to the side of the storage rod (29), and the bolt (32) is threadedly connected to the adjustment hole (31).

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