A cassava single-stem conversion stem diameter measuring device and calculation method thereof

Abstract

The invention discloses a cassava single-stem conversion stem diameter measuring device and a calculation method thereof. To define the single-stem conversion stem diameter, two or more stems are mathematically converted, fitted into the diameter of one stem, and the diameters of all cassava stems are measured. The conversion formula is: the diameters of all cassava stems are measured, the diameter of the first stem is marked as d1, the diameter of the second stem is marked as d2, the diameter of the third stem is marked as d3, .... dn, ds are the single-stem conversion stem diameters. The measuring device includes a stud and a threaded barrel. When the device is in use, an arc-shaped support plate is wrapped around the cassava stem, and the clamping plate is pushed by an electric rod to clamp the cassava stem. Multiple cassava stems can be quickly measured by a laser rangefinder in conjunction with a fixed-distance plate, and the measurement data is uploaded to the measuring device body, so that the single-stem conversion stem diameter can be quickly calculated under the calculation of the conversion formula, so that the definition of the cassava single-stem conversion stem diameter can scientifically compare the size of the aboveground stem biomass of cassava.

Description

Technical Field

[0001] The invention relates to the technical field of cassava stem diameter measuring equipment, in particular to a cassava single-rod converted stem diameter measuring equipment and a calculation method thereof. Background Art

[0002] The change in the size of cassava stem thickness can better reflect the good condition of cassava growth and development. However, this change is usually small, and it is difficult to observe with the naked eye in a short time, and it is very inconvenient to measure. It is necessary to manually measure the stem of cassava to be measured with a soft ruler, and a cassava plant may grow multiple stems. The common calculation method is the average stem diameter and the stem diameter, but these two methods cannot scientifically compare the phenotypic traits of the aboveground stems of cassava. Therefore, the single-stem conversion stem diameter is defined, that is, the material of 2 or 3 or more stems is converted into the diameter of 1 stem, so it is necessary to measure multiple stems, and the existing measuring instruments are mostly meter rulers and vernier calipers, which are not only troublesome to operate but also seriously reduce the measurement efficiency, resulting in greater difficulties in studying the cassava growth potential parameter stem thickness, and such a measurement method can no longer meet the existing market demand. Summary of the invention

[0003] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cassava single-rod conversion stem diameter measuring device and a calculation method thereof, comprising a stud and a threaded barrel threadedly connected to the outer side of the top end of the stud, the top end of the threaded barrel is fixedly connected to a pan head, and the top of the pan head is fixedly installed with a measuring device body, the bottom end of the stud is fixedly connected to a connecting barrel, and the bottom end of the connecting barrel is fixedly connected to a supporting column, the bottom end of the supporting column is fixedly connected to a soil-breaking cone, a first servo motor is fixedly installed on the left side of the inner cavity of the connecting barrel, and a vertical plate is fixedly connected to the inner cavity of the connecting barrel near the right side, a first bearing is fixedly connected to the vertical plate, and the inner cavity of the first bearing is rotatably connected to a transmission shaft, and a through hole is opened on the right side of the connecting barrel, The left end of the transmission shaft is fixedly connected to the power output end of the first servo motor, and the right end of the transmission shaft passes through the inner cavity of the through hole and is fixedly connected to a connecting plate, the right side of the connecting plate is fixedly connected to a support plate, and an arc-shaped cavity is provided on the support plate near the right side, and an arc-shaped groove is provided on the top of the arc-shaped cavity, the inner cavity of the arc-shaped cavity is slidably connected to a circular slider, the inner cavity of the arc-shaped groove is slidably connected to a connecting rod, the bottom end of the connecting rod is fixedly connected to the circular slider, and the top end of the connecting rod is fixedly connected to an arc-shaped support plate, a driving mechanism is provided on the left side of the arc-shaped support plate, the driving mechanism includes an arc-shaped rack plate, and the arc-shaped rack plate is fixedly connected to the left side wall of the arc-shaped support plate, the arc A driving gear is meshed on the left side of the rack plate, and a rotating shaft is fixedly connected to the bottom center of the driving gear, a first circular hole is opened on the support plate near the left side, and a second bearing is fixedly connected to the inner cavity of the first circular hole, a motor housing is fixedly connected to the bottom of the support plate, and a second servo motor is fixedly installed at the bottom of the inner cavity of the motor housing, the bottom end of the rotating shaft passes through the inner cavity of the second bearing and is fixedly connected to the power output end of the second servo motor, and electric rods are fixedly installed on the front and rear sides of the inner cavity of the superior arc-shaped support plate, the power ends of the two electric rods are fixedly connected to clamps, and a pressure sensor is fixedly installed on the side of the clamp away from the electric rod, and a signal receiver is provided on the left side of the two electric rods, located at the front A fixing hole is opened on the clamping plate on the side near the right side, and a laser rangefinder is fixedly installed in the inner cavity of the fixing hole, a distance plate is fixedly connected to the front side of the clamping plate located on the rear side opposite to the laser rangefinder, a protective mechanism is provided on the top of the superior arc-shaped support plate, the protective mechanism includes a protective plate, and the protective plate is located on the top of the superior arc-shaped support plate, a movable shaft is fixed through the protective plate near the bottom, and the front and rear ends of the movable shaft are rotatably connected to side plates, the left sides of the two side plates are fixedly connected with the same ring, and the ring is fixedly connected to the outer wall of the stud, the adjacent sides of the two side plates are commonly fixedly connected with an L-shaped limit plate, and the shorter side of the L-shaped structure of the L-shaped limit plate is located on the right side of the protective plate.

[0004] Preferably, the L-shaped limiting plate is provided with a through hole, and the inner cavity of the through hole is slidably connected to a T-shaped rod, the outer wall of the T-shaped rod is sleeved with a reset spring, and the two ends of the reset spring are respectively fixedly connected to the L-shaped limiting plate and the T-shaped rod, a first blind hole is provided at the bottom of the protective plate, and the top end of the T-shaped rod is inserted into the inner cavity of the first blind hole, and a second blind hole is provided on the right side of the protective plate near the bottom.

[0005] Preferably, the top cover of the measuring and calculating device body is provided with a protective cover, and the protective cover is fixedly connected to the pan-tilt head, and an LED lighting lamp is fixedly installed on the right side of the inner cavity of the protective cover.

[0006] Preferably, an annular handle is sleeved on the outer wall of the threaded barrel, and three gripping rods are evenly and fixedly connected to the inner wall of the annular handle, and the other ends of the three gripping rods are fixedly connected to the outer wall of the threaded barrel.

[0007] Preferably, a cylindrical cavity is opened on the stud near the top, and the inner cavity of the cylindrical cavity is slidably connected with a circular limit plate, a second circular hole connected to the cylindrical cavity is opened at the center of the top circle of the stud, and the inner cavity of the second circular hole is rotatably connected with an anti-slip rod, and the upper and lower ends of the anti-slip rod are respectively fixedly connected to the top of the inner cavity of the threaded tube and the top of the circular limit plate.

[0008] A method for calculating the converted stem diameter of a cassava single stem comprises the following steps:

[0009] S1: First, fully charge the device and carry and operate it by holding the ring grip;

[0010] S2: In addition, the height of the head can be adjusted by rotating the threaded barrel on the stud to accommodate workers of different heights.

[0011] S3: After the height adjustment of the equipment is completed, the equipment can be carried close to the cassava pole, and the soil-breaking cone is inserted into the soil near the cassava pole. Then, the first servo motor is started to drive the transmission shaft to rotate, and the rotation of the transmission shaft drives the connection plate to flip. The flipping of the connection plate can drive the support plate and the superior arc-shaped support plate to flip, so as to be suitable for measuring the tilted cassava pole;

[0012] S4: The second servo motor can drive the rotating shaft to rotate, the rotating shaft drives the driving gear to rotate, the driving gear can drive the arc-shaped rack plate to rotate, and the circular slider can be driven by the connecting rod to rotate in the inner cavity of the arc-shaped cavity to drive the arc-shaped support plate to rotate, so that the positions of the two clamping plates can be adjusted, and the effective stem diameter can be quickly measured;

[0013] S5: Wrapping the superior arc-shaped support plate on the cassava stem, and then starting two electric rods to push the adjacent clamping plates close to the cassava stem. Through the setting of the pressure sensor, when the feedback squeezing force reaches the set value, that is, the cassava stem is clamped, a signal can be sent to the signal receiver, and the electric rod is paused;

[0014] S6: Subsequently, the diameter of the current cassava stem can be quickly calculated by starting the laser rangefinder in conjunction with the distance plate, and the measured data is uploaded to the measuring device body. After measuring multiple cassava stems in sequence according to the above-mentioned operating device, the diameter of the first stem can be marked as d1, the diameter of the second stem can be marked as d2, the diameter of the third stem can be marked as d3, .... dn, ds are the converted stem diameters of a single stem,

[0015] , the calculation formula can be used to calculate the transformed stem diameter of cassava single stem;

[0016] S7: The protective cover and LED lighting can be used to shield the measuring equipment from light and provide auxiliary lighting when the light is dim.

[0017] S8: When the device is finished using, the T-shaped rod can be pulled to overcome the resistance of the reset spring and move downward, and the top of the T-shaped rod can be pulled out of the inner cavity of the first blind hole. Then, the protective plate can be pushed to flip downward clockwise with the movable axis as the center, and the bottom of the protective plate can be fit with the top of the L-shaped limit plate. Then, the T-shaped rod can be loosened and inserted into the inner cavity of the second blind hole under the action of the rebound force of the reset spring, so as to maintain a horizontal state.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention defines the conversion of stem diameter by single stem, that is, mathematically converting two or more stems into the diameter of one stem, and measuring the diameters of all cassava stems. The conversion formula is: The diameter of the first stem is marked as d1, the diameter of the second stem is marked as d2, the diameter of the third stem is marked as d3, .... dn, ds are the converted stem diameters of a single stem. When the device of the present invention is in use, the device can be conveniently carried by holding the annular handle, the arc-shaped support plate is wrapped on the cassava stem, and the clamping plate is pushed close to the cassava stem by starting the two electric rods. Through the setting of the pressure sensor, after the two clamping plates clamp the cassava stem, the signal can be transmitted to the signal receiver and the electric rod can be paused. Then, the cassava stem can be quickly adjusted by the laser rangefinder and the fixed distance plate. The stem diameter of cassava stalks can be measured by measuring multiple stem diameters and uploading the measurement data to the measuring device body, so that the single-stem conversion stem diameter can be quickly calculated under the calculation of the conversion formula, and the second servo motor, the rotating shaft, the driving gear, the arc-shaped rack plate, the connecting rod, the circular slider, the arc-shaped cavity and the arc-shaped slot can be set to drive the arc-shaped support plate to rotate, so that the stem diameter measurement of the cassava stalk is more accurate and the measurement efficiency is improved, so that the definition of the single-stem conversion stem diameter of cassava can scientifically compare the size of the aboveground stem biomass of cassava;

[0020] 2. The present invention is provided with a linkage arrangement of the first servo motor, the transmission shaft, the connecting plate and the supporting plate, and the inclination angle of the supporting plate can be adjusted by the operation of the first servo motor, so that the inclination angle of the superior arc-shaped supporting plate can be adjusted, so that the superior arc-shaped supporting plate can be better sleeved on the outer wall of the inclined cassava stalk, thereby facilitating the improvement of the accuracy of the data measurement of the measuring device and the improvement of the practicability of the device;

[0021] 3. The present invention can, through the provision of a protective plate, a movable shaft, a side plate, a collar, an L-shaped limit plate, a T-shaped rod, a reset spring, a first blind hole and a second blind hole, when the measuring device is not in use, pull the T-shaped rod to overcome the resistance of the reset spring and move downward, and withdraw the T-shaped rod from the inner cavity of the first blind hole. Then, flip the protective plate downward to approach the superior arc-shaped support plate, and the provision of the L-shaped limit plate can block the protective plate while keeping the protective plate in a horizontal state. Subsequently, when the T-shaped rod is released, the T-shaped rod can be reset upward under the action of the rebound force of the reset spring and inserted into the inner cavity of the second blind hole. The horizontal provision of the protective plate can protect the superior arc-shaped support plate and its inner cavity measurement component, which is beneficial to increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the top view of the connecting tube of the component of the present invention;

[0024] Figure 3 A top view of a component support plate of the present invention;

[0025] Figure 4A top view of the annular handle of the component of the present invention;

[0026] Figure 5 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 6 for Figure 1 Enlarged view of point B in the middle.

[0028] Numbers in the figure: 1. stud; 2. threaded cylinder; 3. pan-tilt; 4. measuring device body; 5. protective cover; 6. LED lighting; 7. connecting cylinder; 8. supporting column; 9. earth-breaking cone; 10. first servo motor; 11. transmission shaft; 12. connecting plate; 13. supporting plate; 14. arc-shaped cavity; 15. circular slider; 16. connecting rod; 17. arc-shaped slot; 18. arc-shaped support plate; 19. arc-shaped rack plate; 20. driving gear; 21. rotating shaft; 22, second servo motor; 23, electric rod; 24, clamp; 25, pressure sensor; 26, signal receiver; 27, laser rangefinder; 28, distance plate; 29, annular grip; 30, grip; 31, circular limit plate; 32, anti-drop rod; 33, protective plate; 34, movable shaft; 35, side plate; 36, collar; 37, L-shaped limit plate; 38, T-shaped rod; 39, first blind hole; 40, reset spring; 41, second blind hole. DETAILED DESCRIPTION

[0029] See also Figure 1-6The present invention provides a technical solution: a cassava single-rod conversion stem diameter measuring device and a calculation method thereof, comprising a stud 1 and a threaded barrel 2 threadedly connected to the outer side of the top end of the stud 1, a cylindrical cavity is provided on the stud 1 near the top end, and a circular limiting plate 31 is slidably connected to the inner cavity of the cylindrical cavity, a second circular hole connected to the cylindrical cavity is provided at the center of the top end of the stud 1, and an anti-slip rod 32 is rotatably connected to the inner cavity of the second circular hole, and the upper and lower ends of the anti-slip rod 32 are respectively fixedly connected to the top of the inner cavity of the threaded barrel 2 and the top of the circular limiting plate 31 to prevent the stud 1 from being completely separated from the threaded barrel 2, a pan-tilt 3 is fixedly connected to the top of the threaded barrel 2, and a measuring device body 4 is fixedly installed on the top of the pan-tilt 3, and the measuring device body A protective cover 5 is provided on the top cover of 4, and the protective cover 5 is fixedly connected to the pan-tilt head 3. An LED lighting lamp 6 is fixedly installed on the right side of the inner cavity of the protective cover 5, which can shield the measuring equipment body 4 from light and at the same time start the auxiliary lighting function. A connecting tube 7 is fixedly connected to the bottom end of the stud 1, and a supporting column 8 is fixedly connected to the bottom end of the connecting tube 7, and a soil-breaking cone 9 is fixedly connected to the bottom end of the supporting column 8. A first servo motor 10 is fixedly installed on the left side of the inner cavity of the connecting tube 7, and a vertical plate is fixedly connected to the inner cavity of the connecting tube 7 near the right side, a first bearing is fixedly connected to the vertical plate, and a transmission shaft 11 is rotatably connected to the inner cavity of the first bearing. A through hole is opened on the right side of the connecting tube 7, and the left end of the transmission shaft 11 is connected to the first servo motor 10. The power output end of the servo motor 10 is fixedly connected, and the right end of the transmission shaft 11 passes through the inner cavity of the through hole and is fixedly connected to a connecting plate 12. The right side of the connecting plate 12 is fixedly connected to a support plate 13, and an arc-shaped cavity 14 is provided on the support plate 13 near the right side, and an arc-shaped slot 17 is provided on the top of the arc-shaped cavity 14. A circular slider 15 is slidably connected to the inner cavity of the arc-shaped cavity 14, and a connecting rod 16 is slidably connected to the inner cavity of the arc-shaped slot 17. The bottom end of the connecting rod 16 is fixedly connected to the circular slider 15, and the top of the connecting rod 16 is fixedly connected to an arc-shaped support plate 18. A driving mechanism is provided on the left side of the arc-shaped support plate 18, and electric rods 23 are fixedly installed on both sides of the inner cavity of the arc-shaped support plate 18. Two electric The power ends of the rods 23 are fixedly connected with clamps 24, and a pressure sensor 25 is fixedly installed on the side of the clamps 24 away from the electric rods 23. Signal receivers 26 are arranged on the left sides of the two electric rods 23. A fixing hole is opened on the clamps 24 located on the front side near the right side, and a laser rangefinder 27 is fixedly installed in the inner cavity of the fixing hole. A distance plate 28 is fixedly connected to the front side of the clamps 24 located on the rear side opposite to the laser rangefinder 27. A protective mechanism is provided on the top of the superior arc-shaped support plate 18. An annular grip 29 is sleeved on the outer wall of the threaded barrel 2, and three grips 30 are evenly fixedly connected to the inner wall of the annular grip 29. The other ends of the three grips 30 are fixedly connected to the outer wall of the threaded barrel 2, so as to facilitate carrying the equipment.

[0030] The driving mechanism includes an arc-shaped rack plate 19, and the arc-shaped rack plate 19 is fixedly connected to the left side wall of the superior arc-shaped support plate 18. A driving gear 20 is meshed on the left side of the arc-shaped rack plate 19, and a rotating shaft 21 is fixedly connected at the bottom center of the driving gear 20. A first circular hole is opened on the support plate 13 near the left side, and the inner cavity of the first circular hole is fixedly connected to the second bearing. The bottom of the support plate 13 is fixedly connected to the motor housing, and the bottom of the inner cavity of the motor housing is fixedly installed with a second servo motor 22. The bottom end of the rotating shaft 21 passes through the inner cavity of the second bearing and is fixedly connected to the power output end of the second servo motor 22.

[0031] The protection mechanism includes a protection plate 33, and the protection plate 33 is located at the top of the superior arc-shaped support plate 18. A movable shaft 34 is fixed through the protection plate 33 near the bottom, and the front and rear ends of the movable shaft 34 are rotatably connected to the side plates 35. The left sides of the two side plates 35 are fixedly connected to the same collar 36, and the collar 36 is sleeved and fixed on the outer wall of the stud 1. The adjacent sides of the two side plates 35 are commonly fixedly connected to an L-shaped limit plate 37, and the shorter side of the L-shaped limit plate 37 is located on the right side of the protection plate 33. The L-shaped limit plate 37 is provided with a through hole. A T-shaped rod 38 is slidably connected to the perforated inner cavity, and a reset spring 40 is sleeved on the outer wall of the T-shaped rod 38, and the two ends of the reset spring 40 are respectively fixedly connected to the L-shaped limit plate 37 and the T-shaped rod 38. A first blind hole 39 is opened at the bottom of the protective plate 33, and the top end of the T-shaped rod 38 is inserted into the inner cavity of the first blind hole 39. A second blind hole 41 is opened on the right side of the protective plate 33 near the bottom. By horizontally fixing the protective plate 33, the superior arc support plate 18 and the measuring component can be protected, which is beneficial to improve the service life of the equipment.

[0032] A method for calculating the converted stem diameter of a cassava single stem comprises the following steps:

[0033] S1: First, fully charge the device, and then carry and operate the device by holding the ring grip 29;

[0034] S2: In addition, the threaded barrel 2 can be rotated to raise and lower the stud 1 and adjust the height of the pan / tilt head 3 to accommodate workers of different heights;

[0035] S3: After the height adjustment of the equipment is completed, the equipment can be carried close to the cassava pole, and the soil-breaking cone 9 is inserted into the soil near the cassava pole. Then, the first servo motor 10 is started to drive the transmission shaft 11 to rotate, and the rotation of the transmission shaft 11 drives the connecting plate 12 to flip. The flipping of the connecting plate 12 can drive the supporting plate 13 and the superior arc-shaped supporting plate 18 to flip, so as to be suitable for measuring the tilted cassava pole;

[0036] S4: The second servo motor 22 can drive the rotating shaft 21 to rotate, and the rotation of the rotating shaft 21 drives the driving gear 20 to rotate. The rotation of the driving gear 20 can drive the arc-shaped rack plate 19 to rotate, and the circular slider 15 can be driven by the connecting rod 16 to rotate in the inner cavity of the arc-shaped cavity 14 to drive the arc-shaped support plate 18 to rotate, so that the positions of the two clamping plates 24 can be adjusted, and the effective stem diameter can be quickly measured;

[0037] S5: Wrap the superior arc-shaped support plate 18 on the cassava stem, then start the two electric rods 23 to push the adjacent clamping plates 24 close to the cassava stem. Through the setting of the pressure sensor 25, when the feedback squeezing force reaches the set value, that is, the cassava stem is clamped, a signal can be sent to the signal receiver 26, and the electric rod 23 is paused;

[0038] S6: Subsequently, the diameter of the current cassava stem can be quickly calculated by starting the laser rangefinder 27 in cooperation with the distance plate 28, and the calculated data is uploaded to the measuring device body 4. After measuring multiple cassava stems in sequence according to the above-mentioned operating device, the diameter of the first stem can be marked as d1, the diameter of the second stem can be marked as d2, the diameter of the third stem can be marked as d3, .... dn, ds are the converted stem diameters of a single stem,

[0039] , the calculation formula can be used to calculate the transformed stem diameter of cassava single stem;

[0040] S7: By setting the protective cover 5 and the LED lighting lamp 6, the measuring device body 4 can be shielded from light and can also be used for auxiliary lighting when the light is dim;

[0041] S8: When the device is finished using, the T-shaped rod 38 can be pulled to overcome the resistance of the reset spring 40 and move downward, and the top of the T-shaped rod 38 can be pulled out from the inner cavity of the first blind hole 39. Then, the protective plate 33 is pushed to flip downward clockwise with the movable shaft 34 as the center, and the bottom of the protective plate 33 is fit with the top of the L-shaped limit plate 37. Then, the T-shaped rod 38 is loosened and inserted into the inner cavity of the second blind hole 41 under the action of the rebound force of the reset spring 40, so as to maintain a horizontal state.

[0042] Working principle: When the present invention is used, first, the device is fully charged, and the device can be carried and operated by holding the annular handle 29. In addition, the threaded barrel 2 can be rotated to lift and lower on the stud 1 and adjust the height of the pan / tilt 3 to adapt to the use of workers of different heights, thereby improving the flexibility of the device. When the height adjustment of the device is completed, the device can be carried close to the cassava pole, and the soil-breaking cone 9 is inserted into the soil near the cassava pole. Then, by starting the first servo motor 10, the transmission shaft 11 can be driven to rotate, and the rotation of the transmission shaft 11 drives the connecting plate 12 to flip. The flipping of the connecting plate 12 can drive the support plate 13 and the superior arc-shaped support plate 18 to flip, so as to be suitable for measuring the tilted cassava pole. The second servo motor 22 can drive the rotating shaft 21 to rotate, and the rotation of the rotating shaft 21 drives the driving gear 20 to rotate. The rotation of the driving gear 20 can drive the arc-shaped rack plate 19 to rotate, and through the connecting rod 16 Driving the circular slider 15 to rotate in the inner cavity of the arc cavity 14 can drive the superior arc support plate 18 to rotate, so that the positions of the two clamping plates 24 can be adjusted, and then the effective stem thickness can be quickly measured. By wrapping the superior arc support plate 18 on the cassava stem, and then starting the two electric rods 23 to push the adjacent clamping plates 24 close to the cassava stem, through the setting of the pressure sensor 25, when the feedback extrusion force reaches the set value, that is, after the cassava stem is clamped, a signal can be sent to the signal receiver 26, and the electric rod 23 can be paused. Subsequently, by starting the laser rangefinder 27 and cooperating with the fixed distance plate 28, the stem thickness of the current cassava stem can be quickly calculated, and the measured data can be uploaded to the measuring device body 4. After measuring multiple stems on the cassava in turn according to the above-mentioned operating equipment, the diameter of the first stem can be marked as d1, the diameter of the second stem can be marked as d2, and the diameter of the third stem can be marked as d3. .... dn, ds are the converted stem diameters of a single stem.

[0043] The calculation formula can be used to calculate the converted stem diameter of a single cassava rod. By setting the protective cover 5 and the LED lighting lamp 6, the measuring device body 4 can be shielded from light, and auxiliary lighting can be provided when the light is dim. After the use of the device is completed, the T-shaped rod 38 can be pulled to overcome the resistance of the reset spring 40 and move downward, and the top of the T-shaped rod 38 can be pulled out from the inner cavity of the first blind hole 39. Then, the protective plate 33 is pushed to turn downward clockwise with the movable shaft 34 as the center, and the bottom of the protective plate 33 is fitted with the top of the L-shaped limit plate 37. Subsequently, the T-shaped rod 38 is released and inserted into the inner cavity of the second blind hole 41 under the action of the rebound force of the reset spring 40, so as to maintain a horizontal state. The protection of the inner cavity component of the superior arc support plate 18 by the protective plate 33 is beneficial to improve the service life of the device.

Claims

1. A cassava single-stem conversion stem diameter measuring device, comprising a stud (1) and a threaded barrel (2) threadedly connected to the outer side of the top end of the stud (1), characterized in that: The top of the threaded tube (2) is fixedly connected to a pan head (3), and a measuring device body (4) is fixedly installed on the top of the pan head (3); the bottom end of the stud (1) is fixedly connected to a connecting tube (7), and the bottom end of the connecting tube (7) is fixedly connected to a supporting column (8), and the bottom end of the supporting column (8) is fixedly connected to a soil breaking cone (9); a first servo motor (10) is fixedly installed on the left side of the inner cavity of the connecting tube (7), and a vertical plate is fixedly connected to the inner cavity of the connecting tube (7) near the right side, a first bearing is fixedly connected to the vertical plate, and a transmission shaft (11) is rotatably connected to the inner cavity of the first bearing; a through hole is opened on the right side of the connecting tube (7), and the left end of the transmission shaft (11) is connected to the first servo motor (10). ), and the right end of the transmission shaft (11) passes through the inner cavity of the through hole and is fixedly connected to a connecting plate (12); the right side of the connecting plate (12) is fixedly connected to a supporting plate (13); an arc-shaped cavity (14) is provided on the supporting plate (13) near the right side, and an arc-shaped slot (17) is provided on the top of the arc-shaped cavity (14); a circular slider (15) is slidably connected to the inner cavity of the arc-shaped slot (17); a connecting rod (16) is slidably connected to the inner cavity of the arc-shaped slot (17); the bottom end of the connecting rod (16) is fixedly connected to the circular slider (15); the top end of the connecting rod (16) is fixedly connected to a superior arc-shaped support plate (18); the left side of the superior arc-shaped support plate (18) is provided with a driving The driving mechanism comprises an arc-shaped rack plate (19), and the arc-shaped rack plate (19) is fixedly connected to the left side wall of the arc-shaped support plate (18), the left side of the arc-shaped rack plate (19) is meshed with a driving gear (20), and the bottom center of the driving gear (20) is fixedly connected to a rotating shaft (21), a first circular hole is opened on the support plate (13) near the left side, and the inner cavity of the first circular hole is fixedly connected to a second bearing, the bottom of the support plate (13) is fixedly connected to a motor housing, and the bottom of the inner cavity of the motor housing is fixedly installed with a second servo motor (22), the bottom end of the rotating shaft (21) passes through the inner cavity of the second bearing and is fixedly connected to the power output end of the second servo motor (22), and ... Electric rods (23) are fixedly mounted on both the front and rear sides of the inner cavity of the arc-shaped support plate (18), the power ends of the two electric rods (23) are fixedly connected to clamping plates (24), and a pressure sensor (25) is fixedly mounted on the side of the clamping plates (24) away from the electric rods (23), and a signal receiver (26) is arranged on the left side of the two electric rods (23), a fixing hole is opened on the clamping plate (24) located on the front side near the right side, and a laser rangefinder (27) is fixedly mounted in the inner cavity of the fixing hole, and a distance plate (28) is fixedly connected to the front side of the clamping plate (24) located on the rear side opposite to the laser rangefinder (27), and a protective mechanism is arranged on the top of the arc-shaped support plate (18), and the protective mechanism comprises a protective plate (33).The protective plate (33) is located at the top of the superior arc-shaped support plate (18), a movable shaft (34) is fixedly passed through the protective plate (33) near the bottom, and the front and rear ends of the movable shaft (34) are rotatably connected to the side plates (35), the left sides of the two side plates (35) are fixedly connected to the same collar (36), and the collar (36) is sleeved and fixed on the outer wall of the stud (1), and the adjacent sides of the two side plates (35) are commonly fixedly connected to an L-shaped limit plate (37), and the shorter side of the L-shaped structure of the L-shaped limit plate (37) is located on the right side of the protective plate (33).

2. A cassava single-stem conversion stem diameter measuring device according to claim 1, characterized in that: The L-shaped limiting plate (37) is provided with a through hole, and the inner cavity of the through hole is slidably connected to a T-shaped rod (38), the outer wall of the T-shaped rod (38) is sleeved with a return spring (40), and the two ends of the return spring (40) are respectively fixedly connected to the L-shaped limiting plate (37) and the T-shaped rod (38), a first blind hole (39) is provided at the bottom of the protective plate (33), and the top end of the T-shaped rod (38) is inserted into the inner cavity of the first blind hole (39), and a second blind hole (41) is provided on the right side of the protective plate (33) near the bottom.

3. A cassava single-stem conversion stem diameter measuring device according to claim 1, characterized in that: The top cover of the measuring device body (4) is provided with a protective cover (5), and the protective cover (5) and the pan / tilt head (3) are fixedly connected, and an LED lighting lamp (6) is fixedly installed on the right side of the inner cavity of the protective cover (5).

4. A cassava single-stem conversion stem diameter measuring device according to claim 1, characterized in that: The outer wall of the threaded barrel (2) is sleeved with an annular grip (29), and the inner wall of the annular grip (29) is evenly and fixedly connected with three grip rods (30), and the other ends of the three grip rods (30) are all fixedly connected to the outer wall of the threaded barrel (2).

5. The cassava single-stem conversion stem diameter measuring device according to claim 1, characterized in that: A cylindrical cavity is provided near the top of the stud (1), and the inner cavity of the cylindrical cavity is slidably connected to a circular stop plate (31). A second circular hole communicating with the cylindrical cavity is provided at the center of the top of the stud (1), and the inner cavity of the second circular hole is rotatably connected to an anti-slip rod (32). The upper and lower ends of the anti-slip rod (32) are respectively fixedly connected to the top of the inner cavity of the threaded barrel (2) and the top of the circular stop plate (31).

6. A method for calculating the diameter of a cassava single-stem converted stem, using a cassava single-stem converted stem diameter measuring device according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1: First, the device is fully charged, and the device can be carried and operated by holding the ring grip (29); S2: In addition, the threaded barrel (2) can be rotated to raise or lower the head (3) on the stud (1) and adjust the height of the head (3) to accommodate workers of different heights; S3: After the height adjustment of the equipment is completed, the equipment can be carried close to the cassava pole, and the soil-breaking cone (9) is inserted into the soil near the cassava pole. Then, the first servo motor (10) is started to drive the transmission shaft (11) to rotate, and the rotation of the transmission shaft (11) drives the connecting plate (12) to flip. The flipping of the connecting plate (12) can drive the supporting plate (13) and the superior arc-shaped supporting plate (18) to flip, so as to be suitable for measuring the tilted cassava pole; S4: The second servo motor (22) can drive the rotating shaft (21) to rotate, and the rotation of the rotating shaft (21) drives the driving gear (20) to rotate. The rotation of the driving gear (20) can drive the arc-shaped rack plate (19) to rotate, and the circular slider (15) can be driven by the connecting rod (16) to rotate in the inner cavity of the arc-shaped cavity (14) to drive the arc-shaped support plate (18) to rotate, so that the positions of the two clamping plates (24) can be adjusted, and the effective stem diameter can be quickly measured; S5: Wrapping the superior arc-shaped support plate (18) on the cassava stem, and then starting the two electric rods (23) to push the adjacent clamping plates (24) close to the cassava stem. By setting the pressure sensor (25), when the feedback squeezing force reaches the set value, that is, the cassava stem is clamped, a signal can be sent to the signal receiver (26), and the electric rod (23) is paused; S6: Subsequently, the diameter of the current cassava stem can be quickly calculated by starting the laser distance meter (27) in conjunction with the distance plate (28), and the measured data is uploaded to the measuring device body (4). After the plurality of cassava stems are measured in sequence according to the above device, the diameter of the first stem can be marked as d1, the diameter of the second stem can be marked as d2, the diameter of the third stem can be marked as d3, .... dn, ds are the converted stem diameters of the single stem, , the calculation formula can be used to calculate the transformed stem diameter of cassava single stem; S7: By providing the protective cover (5) and the LED lighting lamp (6), the measuring device body (4) can be shielded from light and can also be used for auxiliary lighting when the light is dim; S8: After the use of the device is completed, the T-shaped rod (38) can be pulled to overcome the resistance of the reset spring (40) and move downward, and the top of the T-shaped rod (38) can be pulled out from the inner cavity of the first blind hole (39). Then, the protective plate (33) is pushed to turn downward clockwise with the movable shaft (34) as the center, and the bottom of the protective plate (33) is made to fit with the top of the L-shaped limit plate (37). Then, the T-shaped rod (38) is loosened and inserted into the inner cavity of the second blind hole (41) under the action of the rebound force of the reset spring (40), so as to maintain a horizontal state.

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