Vertical device for measuring ground diameter of nursery stock

Abstract

The invention relates to the technical field of nursery stock detection, and discloses a vertical nursery stock ground diameter measuring device which comprises a mounting plate, a measuring moving mechanism is arranged at the top of the mounting plate, an electronic vernier caliper is fixedly connected to the top of the measuring moving mechanism, and the measuring moving mechanism is used for automatic measurement of the electronic vernier caliper. A mounting frame is fixedly connected to one side of the mounting plate, the mounting frame provides a mounting position, a connecting frame is rotatably connected to the interior of the mounting frame, the connecting frame provides a mounting position, an electric telescopic rod is fixedly connected to the interior of the connecting frame, and the electric telescopic rod is used for folding the device. According to the nursery stock ground diameter measuring device, the electric telescopic rod can adapt to the heights of different workers, meanwhile, the measuring moving mechanism and the electronic vernier caliper are matched to measure the ground diameter of a nursery stock, and therefore the workers do not need to continuously squat down and stand up during measurement, the nursery stock measuring efficiency is improved, and meanwhile the workload of the workers can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of seedling detection, in particular to a device for measuring the ground diameter of seedlings in an upright manner. Background Art

[0002] The ground diameter of a seedling refers to the trunk diameter of the seedling at a certain distance from the ground. This distance is usually 10 cm or 30 cm, depending on the variety and application habits of the seedling. The ground diameter is an important parameter used to indicate the specifications of seedlings in landscaping. It helps to evaluate the growth status of seedlings and the appropriate planting environment.

[0003] When measuring the ground diameter, you should circle the trunk horizontally at 10 cm or 30 cm and use a vernier caliper or other precision measuring tool to read the diameter value. If the cross-section of the trunk is uneven, the diameters in multiple directions should be measured and the average value should be taken as the ground diameter.

[0004] Therefore, the seedling diameter measuring device in the prior art requires the user to constantly squat and stand up to measure the seedlings, which is not only time-consuming and laborious, reducing the efficiency of measurement, but also increasing the workload of the staff during the constant squatting and standing up. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides an upright device for measuring the ground diameter of seedlings, which solves the problem that the seedling ground diameter measuring device in the prior art is time-consuming and labor-intensive to use, reduces measurement efficiency, and increases the workload of staff.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an upright device for measuring the ground diameter of seedlings, comprising a mounting plate, a measuring movable mechanism is arranged on the top of the mounting plate, an electronic vernier caliper is fixedly connected to the top of the measuring movable mechanism, and the measuring movable mechanism is used for automatic measurement of the electronic vernier caliper; a mounting frame is fixedly connected to one side of the mounting plate, the mounting frame provides a mounting position, the mounting frame is rotatably connected to a connecting frame inside, the connecting frame provides a mounting position, an electric telescopic rod is fixedly connected to the inside of the connecting frame, the electric telescopic rod is used for folding the device, a handle is fixedly connected to the top of the electric telescopic rod, an angle adjustment mechanism is arranged on the outside of the mounting plate, the angle adjustment mechanism is used for adjusting the angle of the mounting plate, a wire winding mechanism is arranged on the outside of the electric telescopic rod, and the wire winding mechanism is used for winding.

[0007] Preferably, the measuring moving mechanism includes a sliding groove, which is opened inside the top end of the mounting plate, and stable sliding grooves are opened inside the mounting plate on both sides of the sliding groove, a motor is fixedly connected to one side of the top of the mounting plate, and a threaded rod is fixedly connected to the output end of the motor, a sliding block is fixedly connected to the bottom of the scale of the electronic vernier caliper, a driving block is fixedly connected to the inner top end of the sliding block, the outer thread of the threaded rod is connected to the middle part of the driving block, and stable sliding blocks are fixedly connected to both sides of the sliding block, the sliding block is slidably connected to the inside of the sliding groove, and the stable sliding block is slidably connected to the inside of the stable sliding groove.

[0008] Preferably, the angle adjustment mechanism includes a stabilizing arc rod, the top of the stabilizing arc rod is fixedly connected to the bottom of the connecting frame, the bottom of the mounting plate is fixedly connected to a fixing plate, the side of the stabilizing arc rod away from the connecting frame is fixedly connected to the outside of the fixing plate, the outside of the stabilizing arc rod is sleeved with an arc spring, the bottom of the connecting frame is fixedly connected to a fixing frame, the outside of the connecting frame is fixedly connected to a fixed bent frame, the inner side of the fixing frame and the outside of the fixed bent frame are both rotatably connected to pulleys, the connecting frame and the outside of the electric telescopic rod are both fixedly connected to a wire block, the bottom of the handle is rotatably connected to a rotating handle, the side of the fixing plate close to the connecting frame is fixedly connected to a pull rope, and the top of the pull rope is fixedly connected to the outside of the winding mechanism.

[0009] Preferably, the wire winding mechanism comprises a fixed sliding frame, the inner side of the fixed sliding frame is fixedly connected to the outer top end of the electric telescopic rod, the outer side of the electric telescopic rod is provided with a sliding sleeve, the inner side of the sliding sleeve is provided with a plurality of anti-rotation sliding grooves, the inner sides of the plurality of anti-rotation sliding grooves are all slidably connected to the outer side of the fixed sliding frame, the outer side of the sliding sleeve is rotatably connected to a rotating column, the outer side of the rotating column is rotatably connected to a mounting ring on a side away from the sliding sleeve, the mounting ring is rotatably connected to a gear ring on a side away from the sliding sleeve, the outer side of the mounting ring is fixedly connected to a fixed shell, and the middle part of the fixed shell is rotatably connected to a rotating A movable rod, the outside of the rotating rod is located inside the fixed shell and a torsion spring is provided, the side of the rotating rod away from the fixed shell is fixedly connected with a claw, the middle part of the rotating rod is fixedly connected with a push claw, the outside of the rotating rod is located between the push claw and the claw and a stabilizing plate is fixedly connected, a fixed cover is fixedly connected between the mounting ring and the sliding sleeve, a plurality of through holes are opened inside the fixed cover, a fixing ring is fixedly connected to the top of the through hole, a pulling rope is provided inside the fixing ring, the top of the pulling rope is fixedly connected to the bottom of the rotating handle, and the top of the pulling rope is fixedly connected to the outside of the rotating column.

[0010] Preferably, a digital screen is fixedly connected to the top of the electric telescopic rod, and a rubber sleeve is provided on the outside of the handle.

[0011] Preferably, the outside of the pull rope contacts the outside of the pulley, and the outside of the pull rope is arranged inside the wire block.

[0012] Preferably, one end of the stabilizing arc rod away from the connecting frame is fixedly connected to a limiting cap, and one side of the stabilizing arc rod away from the connecting frame passes through the interior of the fixing plate.

[0013] Preferably, the threaded rod is rotatably connected to the inside of the sliding groove, and the driving block is slidably connected to the inside of the sliding groove.

[0014] Preferably, a fixing ring is fixedly connected to a side of the gear ring away from the sliding sleeve, and the interior of the fixing ring is fixedly connected to the exterior of the rotating column.

[0015] Preferably, one end of the torsion spring is fixedly connected to the outside of the rotating rod, and the other end of the torsion spring is fixedly connected to the inside of the fixed shell.

[0016] Working principle: When measuring the seedlings, place the seedlings between the main scale and the scale of the electronic vernier caliper, start the motor, and the output end of the motor rotates to drive the threaded rod to rotate. The rotation of the threaded rod drives the driving block to move in the direction of the seedlings, thereby driving the sliding block to move in the direction of the seedlings. The sliding block drives the scale on the electronic vernier caliper to move in the direction of the seedlings. When the sliding block moves, it can drive the stable sliding block to move inside the stable sliding groove, and then maintain the stability of the sliding block when it moves, so as to complete the measurement;

[0017] When adjusting the angle of the mounting plate, first rotate the rotating handle upward, and then the winding mechanism can be pulled upward, and the winding mechanism moves upward to drive the pull rope to move upward. After the pull rope moves upward, the fixed plate can be driven to rotate, and then the mounting plate can be driven to rotate, and the mounting plate can be driven to rotate through the mounting plate, and the measuring moving mechanism and the electronic vernier caliper can be driven to rotate, and then the angle adjustment of the electronic vernier caliper can be achieved, and then the ground diameter of the seedling can be measured more conveniently. When the fixed plate rotates, the arc spring is compressed, and when the measurement is completed, the rotating handle is released, and after the rotating handle is released, the fixed plate is driven to reset under the action of the arc spring, thereby driving the mounting plate and the electronic vernier caliper to reset, and the winding mechanism will also reset at the same time, and the winding mechanism will reset after it resets, and the rotating handle is driven to reset after it resets;

[0018] When the electric telescopic rod is retracted, the fixed ring is rotated, and the rotation of the fixed ring can drive the rotating column to rotate. After the rotating column rotates, the pull rope can be reeled in, and when the fixed ring rotates, the mounting ring is fixed to the sliding sleeve through the fixing cover, so the mounting ring will not rotate. The mounting ring will not rotate, so when the fixed ring rotates, it can drive the gear ring to rotate, and when the teeth on the gear ring pass through the claws, the claws will be lifted up, so that the rotating rod can rotate, and the rotation of the rotating rod can compress the torsion spring, and when the claws move to the gap between the teeth on the gear ring, the torsion spring can drive the rotating rod to rotate in the opposite direction, so that the claws can be reset. , and then the claw can stay in the gap of the gear ring teeth. When the pulling rope is strained, the rotating column is subjected to the force of reverse rotation, but at this time the claw will press against the vertical part of the gear ring teeth. Therefore, the gear ring will not rotate after being subjected to the force of reverse rotation, so the pulling rope wrapped around the rotating column will not be released. At this time, turning the rotating handle will drive the pulling rope to move upward, and then the fixed cover can be driven to move upward. After the fixed cover moves upward, it drives the mounting ring, the rotating column and the sliding sleeve to move upward, and then the pulling rope can be driven upward, so that the pulling rope can be used to drive the mounting plate to flip, so that the angle adjustment of the electronic vernier caliper can be realized, which is convenient for the measurement of seedlings.

[0019] The present invention provides an upright device for measuring the ground diameter of seedlings. It has the following beneficial effects:

[0020] 1. The present invention can adapt to the heights of different workers through the electric telescopic rod, and can realize the measurement of the ground diameter of seedlings by utilizing the cooperation of the measuring moving mechanism and the electronic vernier caliper. Therefore, when measuring, the workers do not need to squat and stand up constantly, which improves the efficiency of seedling measurement and can also reduce the workload of the workers.

[0021] 2. The present invention can adapt to the extension and shortening of the electric telescopic rod through the winding mechanism, and can adjust the measuring angle of the electronic vernier caliper through the angle adjustment mechanism, so as to better fit the inclination of the seedlings, making the detection results more accurate, while also improving the comfort of use and making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A perspective view of the present invention;

[0023] Figure 2 It is a structural schematic diagram of a stable sliding groove in the present invention;

[0024] Figure 3 It is a structural schematic diagram of the sliding block in the present invention;

[0025] Figure 4 It is a structural schematic diagram of the driving block in the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the stabilizing arc rod in the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the gear ring in the present invention;

[0028] Figure 7 It is a schematic diagram of the structure of the rotating column in the present invention;

[0029] Figure 8 It is a structural schematic diagram of the rotating rod in the present invention.

[0030] Among them, 1. mounting plate; 2. measuring moving mechanism; 201. sliding groove; 202. stable sliding groove; 203. motor; 204. threaded rod; 205. sliding block; 206. driving block; 207. stable sliding block; 3. electronic vernier caliper; 4. mounting frame; 5. connecting frame; 6. electric telescopic rod; 7. handle; 8. angle adjustment mechanism; 801. stable arc rod; 802. fixing plate; 803. arc spring; 804. fixing frame; 805. fixing bending frame; 806. pulley; 807. Wire block; 808, pull rope; 809, rotating handle; 810, limit cap; 9, winding mechanism; 901, fixed slide frame; 902, sliding sleeve; 903, anti-rotation slide groove; 904, rotating column; 905, mounting ring; 906, gear ring; 907, fixed ring; 908, fixed shell; 909, rotating rod; 910, torsion spring; 911, claw; 912, push claw; 913, stabilizing plate; 914, fixed cover; 915, through hole; 916, fixed ring; 917, pull rope; 10, digital screen. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example:

[0033] Please refer to the attached Figure 1 -Attached Figure 8The embodiment of the present invention provides an upright device for measuring the ground diameter of seedlings, including a mounting plate 1, which provides a basis for rotation and installation. A measuring mobile mechanism 2 is arranged on the top of the mounting plate 1, and an electronic vernier caliper 3 is fixedly connected to the top of the measuring mobile mechanism 2. The measuring mobile mechanism 2 is used for automatic measurement of the electronic vernier caliper 3. A mounting frame 4 is fixedly connected to one side of the mounting plate 1, and the mounting frame 4 provides an installation position. A connecting frame 5 is rotatably connected to the inside of the mounting frame 4, and the connecting frame 5 provides an installation position. An electric telescopic rod 6 is fixedly connected to the inside of the connecting frame 5, and the electric telescopic rod 6 is used for folding the device. A handle 7 is fixedly connected to the top of the electric telescopic rod 6. An angle adjustment mechanism 8 is arranged on the outside of the mounting plate 1, and the angle adjustment mechanism 8 is used for adjusting the angle of the mounting plate 1. A winding mechanism 9 is arranged on the outside of the electric telescopic rod 6, and the winding mechanism 9 is used for winding. A digital screen 10 is fixedly connected to the top of the electric telescopic rod 6, and a rubber sleeve is arranged on the outside of the handle 7.

[0034] The measuring moving mechanism 2 includes a sliding groove 201, which provides a sliding space. The sliding groove 201 is opened inside the top of the mounting plate 1. The mounting plate 1 has stable sliding grooves 202 on both sides of the sliding groove 201. A motor 203 is fixedly connected to one side of the top of the mounting plate 1. The motor 203 can provide power for moving the scale on the mounting plate 1. The output end of the motor 203 is fixedly connected to a threaded rod 204. The bottom of the scale of the electronic vernier caliper 3 is fixedly connected to the There is a sliding block 205, which can slide inside the sliding groove 201, so that the sliding block 205 can drive the scale of the mounting plate 1 to move automatically. The top of the inner part of the sliding block 205 is fixedly connected with a driving block 206, and the driving block 206 can drive the sliding block 205 to move after the threaded rod 204 rotates. The outer thread of the threaded rod 204 is connected to the middle of the driving block 206. Both sides of the inner part of the sliding block 205 are fixedly connected with stable sliding blocks 207, and the stable sliding block 207 can The sliding block 205 can slide inside the stable sliding groove 202, thereby improving the stability of the sliding block 205 when sliding. The sliding block 205 is slidably connected to the inside of the sliding groove 201, and the stable sliding block 207 is slidably connected to the inside of the stable sliding groove 202. The threaded rod 204 is rotatably connected to the inside of the sliding groove 201, and the driving block 206 is slidably connected to the inside of the sliding groove 201. When measuring the seedlings, the seedlings are placed between the main scale and the scale of the electronic vernier caliper 3, and the motor 203 is started. The output end of the motor 203 rotates to drive the threaded rod 204 to rotate, and the threaded rod 204 rotates to drive the driving block 206 to move in the direction of the seedlings, thereby driving the sliding block 205 to move in the direction of the seedlings. The scale on the electronic vernier caliper 3 is driven to move in the direction of the seedlings by the sliding block 205. When the sliding block 205 moves, it can drive the stable sliding block 207 to move inside the stable sliding groove 202, thereby maintaining the stability of the sliding block 205 when moving, so as to complete the measurement.

[0035] The angle adjustment mechanism 8 includes a stabilizing arc rod 801, the top of which is fixedly connected to the bottom of the connecting frame 5, the bottom of the mounting plate 1 is fixedly connected to a fixing plate 802, the fixing plate 802 can drive the mounting plate 1 to rotate, the side of the stabilizing arc rod 801 away from the connecting frame 5 is fixedly connected to the outside of the fixing plate 802, the outside of the stabilizing arc rod 801 is sleeved with an arc spring 803, the stabilizing arc rod 801 can play a role in limiting, the bottom of the connecting frame 5 is fixedly connected to a fixing frame 804, the fixing frame 804 provides an installation position, the outside of the connecting frame 5 is fixedly connected to a fixed bent frame 805, The fixed bent frame 805 provides an installation position, the inner side of the fixed frame 804 and the outer side of the fixed bent frame 805 are both rotatably connected with a pulley 806, the outer sides of the connecting frame 5 and the electric telescopic rod 6 are both fixedly connected with a wire block 807, the bottom of the handle 7 is rotatably connected with a rotating handle 809, and the side of the fixed plate 802 close to the connecting frame 5 is fixedly connected with a pull rope 808, the pulley 806 can rotate when the pull rope 808 moves, reducing the friction of the pull rope 808, thereby increasing the service life of the pull rope 808, the wire block 807 can limit the moving position of the pull rope 808, and the top of the pull rope 808 is fixedly connected to The outside of the winding mechanism 9 and the outside of the pull rope 808 are in contact with the outside of the pulley 806, and the outside of the pull rope 808 is arranged inside the wire block 807. The end of the stabilizing arc rod 801 away from the connecting frame 5 is fixedly connected to the limiting cap 810, and the side of the stabilizing arc rod 801 away from the connecting frame 5 passes through the inside of the fixing plate 802. When the angle of the mounting plate 1 is adjusted, the rotating handle 809 is first rotated upward, and then the winding mechanism 9 can be pulled upward. The upward movement of the winding mechanism 9 drives the pull rope 808 to move upward, and after the pull rope 808 moves upward, it can drive the fixing plate 80 2 is rotated, and then the mounting plate 1 is driven to rotate, and the measuring moving mechanism 2 and the electronic vernier caliper 3 are driven to rotate through the mounting plate 1, and then the angle adjustment of the electronic vernier caliper 3 can be realized, and then the ground diameter of the seedling can be measured more conveniently. When the fixing plate 802 is rotated, the arc spring 803 is compressed. When the measurement is completed, the rotating handle 809 is released. After the rotating handle 809 is released, the fixing plate 802 is reset under the action of the arc spring 803, so that the mounting plate 1 and the electronic vernier caliper 3 can be reset, and the winding mechanism 9 will also be reset. After the winding mechanism 9 is reset, it drives the rotating handle 809 to reset.

[0036] The winding mechanism 9 includes a fixed slide frame 901, which provides sliding conditions. The inner side of the fixed slide frame 901 is fixedly connected to the external top end of the electric telescopic rod 6. The external side of the electric telescopic rod 6 is provided with a sliding sleeve 902. The sliding sleeve 902 can be slidably connected to the fixed slide frame 901 and will not rotate on the fixed slide frame 901. The internal side of the sliding sleeve 902 is provided with a plurality of anti-rotation slide grooves 903. The internal sides of the plurality of anti-rotation slide grooves 903 are all slidably connected to the external side of the fixed slide frame 901. The external side of the sliding sleeve 902 is rotatably connected to a rotating column 904, which can provide a position for winding the line. The external side of the rotating column 904 away from the sliding sleeve 902 is rotatably connected to a mounting ring. 905, the mounting ring 905 provides a mounting position, the side of the mounting ring 905 away from the sliding sleeve 902 is rotatably connected to a gear ring 906, the outside of the mounting ring 905 is fixedly connected to a fixed shell 908, the middle of the fixed shell 908 is rotatably connected to a rotating rod 909, the outside of the rotating rod 909 is located inside the fixed shell 908 and a torsion spring 910 is provided, the side of the rotating rod 909 away from the fixed shell 908 is fixedly connected to a claw 911, the claw 911 can be engaged with the gear ring 906, the middle of the rotating rod 909 is fixedly connected to a pusher claw 912, the pusher claw 912 can manually push the rotating rod 909 to rotate, and the outside of the rotating rod 909 is located between the pusher claw 912 and the clamping claw 911 and is fixedly connected to a stabilizing plate 913, the stabilizing plate 913 improves the stability of the rotating rod 909, a fixing cover 914 is fixedly connected between the mounting ring 905 and the sliding sleeve 902, the fixing cover 914 plays a connecting role and can protect the pull rope 808, a plurality of through holes 915 are provided inside the fixing cover 914, the through holes 915 are convenient for passing the wires, a fixing ring 916 is fixedly connected to the top of the through hole 915, a pull rope 917 is arranged inside the fixing ring 916, the top of the pull rope 917 is fixedly connected to the bottom of the rotating handle 809, the top of the pull rope 808 is fixedly connected to the outside of the rotating column 904, the side of the gear ring 906 away from the sliding sleeve 902 is fixedly connected to a fixing ring 907, the fixing ring 907 The interior is fixedly connected to the outside of the rotating column 904, one end of the torsion spring 910 is fixedly connected to the outside of the rotating rod 909, and the other end of the torsion spring 910 is fixedly connected to the inside of the fixed shell 908. When the electric telescopic rod 6 is retracted, the fixed ring 907 is rotated. After the fixed ring 907 rotates, it can drive the rotating column 904 to rotate. After the rotating column 904 rotates, the pull rope 808 can be reeled in, and when the fixed ring 907 rotates, the mounting ring 905 is fixed to the sliding sleeve 902 through the fixed cover 914, so the mounting ring 905 will not rotate. The mounting ring 905 will not rotate, so when the fixed ring 907 rotates, it can drive the gear ring 906 to rotate. When the teeth on the gear ring 906 pass through the claws 911,The claw 911 will be lifted up, so that the rotating rod 909 can rotate. The rotation of the rotating rod 909 can compress the torsion spring 910. When the claw 911 moves to the gap between the teeth on the gear ring 906, the torsion spring 910 can drive the rotating rod 909 to rotate in the opposite direction, thereby driving the claw 911 to reset, and then the claw 911 can stay in the gap between the teeth of the gear ring 906. When the pull rope 808 is strained, the rotating column 904 is subjected to the force of reverse rotation, but at this time the claw 911 will press against the vertical part of the teeth of the gear ring 906, so the gear ring 906 After receiving the reverse rotation force, it will not rotate, so the pull rope 808 wrapped around the rotating column 904 will not be released. At this time, rotating the rotating handle 809 will drive the pull rope 917 to move upward, and then drive the fixed cover 914 to move upward. After the fixed cover 914 moves upward, it drives the installation ring 905, the rotating column 904 and the sliding sleeve 902 to move upward, and then drives the pull rope 808 to move upward, so that the pull rope 808 can be used to drive the installation plate 1 to reverse, so that the angle adjustment of the electronic vernier caliper 3 can be realized, which is convenient for measuring seedlings.

[0037] Although 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 device for measuring the ground diameter of seedlings in an upright manner, comprising a mounting plate (1), characterized in that: A measuring moving mechanism (2) is arranged on the top of the mounting plate (1), and an electronic vernier caliper (3) is fixedly connected to the top of the measuring moving mechanism (2), and the measuring moving mechanism (2) is used for automatic measurement of the electronic vernier caliper (3). A mounting frame (4) is fixedly connected to one side of the mounting plate (1), and the mounting frame (4) provides a mounting position. A connecting frame (5) is rotatably connected to the inside of the mounting frame (4), and the connecting frame (5) provides a mounting position. An electric telescopic rod (6) is fixedly connected to the inside of the connecting frame (5), and the electric telescopic rod (6) is used for folding the device. A handle (7) is fixedly connected to the top of the electric telescopic rod (6). An angle adjustment mechanism (8) is arranged on the outside of the mounting plate (1), and the angle adjustment mechanism (8) is used for adjusting the angle of the mounting plate (1). A wire winding mechanism (9) is arranged on the outside of the electric telescopic rod (6), and the wire winding mechanism (9) is used for winding wires.

2. The device for measuring the ground diameter of seedlings according to claim 1, characterized in that: The measuring movement mechanism (2) comprises a sliding groove (201), wherein the sliding groove (201) is provided inside the top end of the mounting plate (1), and stable sliding grooves (202) are provided inside the mounting plate (1) on both sides of the sliding groove (201), and a motor (203) is fixedly connected to one side of the top of the mounting plate (1), and a threaded rod (204) is fixedly connected to the output end of the motor (203), and a sliding block (205) is fixedly connected to the bottom of the scale of the electronic vernier caliper (3), and a driving block (206) is fixedly connected to the top end of the sliding block (205), and the outer thread of the threaded rod (204) is connected to the middle part of the driving block (206), and stable sliding blocks (207) are fixedly connected to both sides of the sliding block (205), and the sliding block (205) is slidably connected to the inside of the sliding groove (201), and the stable sliding block (207) is slidably connected to the inside of the stable sliding groove (202).

3. The device for measuring the ground diameter of seedlings according to claim 1, characterized in that: The angle adjustment mechanism (8) comprises a stabilizing arc rod (801), the top of the stabilizing arc rod (801) is fixedly connected to the bottom of the connecting frame (5), the bottom of the mounting plate (1) is fixedly connected to a fixing plate (802), the side of the stabilizing arc rod (801) away from the connecting frame (5) is fixedly connected to the outside of the fixing plate (802), the outside of the stabilizing arc rod (801) is sleeved with an arc spring (803), the bottom of the connecting frame (5) is fixedly connected to a fixing frame (804), and the outside of the connecting frame (5) is fixedly connected to the fixing frame (805). A fixed bent frame (805) is fixedly connected, the inner side of the fixed bent frame (804) and the outer side of the fixed bent frame (805) are both rotatably connected with a pulley (806), the outer sides of the connecting frame (5) and the electric telescopic rod (6) are both fixedly connected with a wire block (807), the bottom of the handle (7) is rotatably connected with a rotating handle (809), the side of the fixed plate (802) close to the connecting frame (5) is fixedly connected with a pull rope (808), and the top of the pull rope (808) is fixedly connected to the outside of the winding mechanism (9).

4. The device for measuring the ground diameter of seedlings according to claim 1, characterized in that: The wire winding mechanism (9) comprises a fixed sliding frame (901), the inner side of the fixed sliding frame (901) is fixedly connected to the outer top end of the electric telescopic rod (6), the outer side of the electric telescopic rod (6) is provided with a sliding sleeve (902), the inner side of the sliding sleeve (902) is provided with a plurality of anti-rotation sliding grooves (903), the inner sides of the plurality of anti-rotation sliding grooves (903) are all slidably connected to the outer side of the fixed sliding frame (901), and the sliding sleeve (902) is provided with a plurality of anti-rotation sliding grooves (903). The outer part of the rotating column (904) is rotatably connected to a rotating column (904); the outer side of the rotating column (904) away from the sliding sleeve (902) is rotatably connected to a mounting ring (905); the side of the mounting ring (905) away from the sliding sleeve (902) is rotatably connected to a gear ring (906); the outer part of the mounting ring (905) is fixedly connected to a fixed shell (908); the middle part of the fixed shell (908) is rotatably connected to a rotating rod (909); the rotating rod (909) The exterior of the rotating rod (909) is located inside the fixed shell (908) and is provided with a torsion spring (910); a side of the rotating rod (909) away from the fixed shell (908) is fixedly connected to a claw (911); a middle part of the rotating rod (909) is fixedly connected to a push claw (912); an exterior of the rotating rod (909) is located between the push claw (912) and the claw (911) and is fixedly connected to a stabilizing plate (913); the mounting ring (905) and the sliding sleeve (906) are fixedly connected to each other. 2) is fixedly connected with a fixed cover (914), a plurality of through holes (915) are provided inside the fixed cover (914), a fixed ring (916) is fixedly connected to the top of the through hole (915), a pulling rope (917) is provided inside the fixed ring (916), the top of the pulling rope (917) is fixedly connected to the bottom of the rotating handle (809), and the top of the pulling rope (808) is fixedly connected to the outside of the rotating column (904).

5. The device for measuring the ground diameter of seedlings according to claim 1, characterized in that: The top of the electric telescopic rod (6) is fixedly connected with a digital screen (10), and the outside of the handle (7) is provided with a rubber sleeve.

6. The device for measuring the ground diameter of seedlings according to claim 3, characterized in that: The outside of the pull rope (808) contacts the outside of the pulley (806), and the outside of the pull rope (808) is arranged inside the wire block (807).

7. The device for measuring the ground diameter of seedlings according to claim 3, characterized in that: One end of the stabilizing arc rod (801) away from the connecting frame (5) is fixedly connected to a limiting cap (810), and one side of the stabilizing arc rod (801) away from the connecting frame (5) passes through the interior of the fixing plate (802).

8. The device for measuring the ground diameter of seedlings according to claim 2, characterized in that: The threaded rod (204) is rotatably connected to the interior of the sliding groove (201), and the driving block (206) is slidably connected to the interior of the sliding groove (201).

9. The device for measuring the ground diameter of seedlings according to claim 4, characterized in that: A fixing ring (907) is fixedly connected to the side of the gear ring (906) away from the sliding sleeve (902), and the interior of the fixing ring (907) is fixedly connected to the exterior of the rotating column (904).

10. The device for measuring the ground diameter of seedlings according to claim 4, characterized in that: One end of the torsion spring (910) is fixedly connected to the outside of the rotating rod (909), and the other end of the torsion spring (910) is fixedly connected to the inside of the fixed shell (908).

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