Seedling hardening device for tobacco floating seedling raising

Abstract

The utility model provides a seedling hardening device for tobacco floating seedling raising, and relates to the technical field of tobacco planting. The seedling hardening device for tobacco floating seedling raising comprises a device body, rotating rods are arranged on the two sides of the top of the device body, U-shaped bases are rotationally connected to the outer sides of the two rotating rods, and a rotating handle is fixedly connected to one end of one rotating rod. According to the seedling hardening device for tobacco floating seedling raising, a connecting rod drives a connecting disc to slide on two long rods, two reset springs are elastically compressed, a limiting rod is driven by the connecting disc to move out of a limiting groove, limiting of a winding disc is relieved, after the connecting rod drives a clamping plate to move out of a long opening, a pull block is rotated, the connecting rod drives the clamping plate to rotate, and the clamping plate is driven to move out of the long opening. The clamping plate is adjusted to be in a vertical state, then the pull block is loosened, and the clamping plate is clamped into the two clamping grooves under the elastic reset action of the two reset springs, so that the limiting rod can be limited, and then personnel can rotate the rotating handle without dragging the limiting rod.

Description

Technical Field

[0001] The utility model relates to a seedling hardening device, in particular to a tobacco floating seedling hardening device, belonging to the technical field of tobacco planting. Background Art

[0002] At present, the tobacco seedlings in the southwest region need to be hardened in the flue-cured tobacco greenhouse during their growth process. Hardening mainly involves taking measures such as ventilation, temperature change, and water control under greenhouse conditions to force the tobacco seedlings to exercise, thereby giving the tobacco seedlings a certain degree of drought resistance and laying the foundation for their future growth in dry climate conditions.

[0003] The current publication number is CN207783879U, a tobacco floating seedling hardening device, comprising a nutrient solution tank, the nutrient solution tank is provided with a trough body for containing nutrient solution, the port part of the trough body is provided with a step, the upper end of the step is a reference plane, the end part of the step is fixedly connected to a pair of struts symmetrical about the nutrient solution tank, each strut is hingedly connected to a rope winding roller at one end away from the nutrient solution tank, each strut is fixedly connected to a support at one side away from the nutrient solution tank, each support is hingedly connected to a rope coiling roller at one end away from the nutrient solution tank, one end of the rotating shaft of each rope coiling roller passes through the support and extends outward, a handle is welded at the end extending outward from the rotating shaft of the rope coiling roller, a plurality of evenly distributed jacks are provided on the side of the end of the rope coiling roller, and a sleeve is fixedly connected to the support.

[0004] In the above scheme, although there are many benefits, there are also the following disadvantages: when the pin is pulled out of the sleeve, the pin releases the locking state of the rope roller. At this time, the user turns the handle by hand to pull up the seedling tray. However, when the pin is pulled out of the sleeve, the spring is in a state of elastic compression. When turning the handle, the person needs to hold the pin all the time to prevent the pin from being reset by the spring. Therefore, the operation is more troublesome. In addition, for the method of pulling up the seedling tray, the person has to operate multiple handles, which will cause inconvenience to the person and reduce the practicability of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a tobacco floating seedling hardening device in order to solve the above-mentioned problem, so as to solve the problem in the prior art that the pin is pulled out from the sleeve, at which time the pin releases the locking state of the rope roller, and the user turns the handle by hand to pull up the seedling tray. However, when the pin is pulled out from the sleeve, the spring is in a state of elastic compression, and when turning the handle, the person needs to hold the pin all the time to prevent the pin from being reset by the spring, so the operation is more troublesome. In addition, for the method of pulling up the seedling tray, the person has to operate multiple handles, and this operation will lead to inconvenience for the person to operate, reducing the practicability of the device.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a tobacco floating seedling hardening device, comprising a device body, rotating rods are provided on both sides of the top of the device body, and the outer sides of the two rotating rods are rotatably connected to U-shaped seats, one end of one of the rotating rods is fixedly connected to a turning handle, and the two U-shaped seats are fixedly connected to the top of the device body, and the outer sides of the two rotating rods are fixedly connected to winding disks, and a seedling raising component is provided between the two winding disks, one of the winding disks is provided with a plurality of limiting grooves on the front side, and a limiting rod is provided inside one of the limiting grooves, one end of the limiting rod is fixedly connected to a connecting disk, and two long rods are provided on the front side of the connecting disk, and one end of the two long rods is fixedly connected to the U-shaped seat, and the two The other end of each of the long rods passes through a connecting plate and is slidably connected to the connecting plate. A return spring is sleeved on the outside of the long rod, and both ends of the return spring are fixedly connected to the U-shaped seat and the connecting plate respectively. The front side of the connecting plate is rotatably connected to a connecting rod, one end of the connecting rod passes through the inner side of the U-shaped seat and is slidably connected to the U-shaped seat. The outside of one end of the connecting rod is fixedly connected to a clamping plate, and the clamping plate contacts the U-shaped seat. A U-shaped plate is provided on the outside of the clamping plate, and the U-shaped plate is fixedly connected to the front side of one of the U-shaped seats. An elongated opening is opened on the front side of the U-shaped plate, and one end of the connecting rod passes through the elongated opening, and one end of the connecting rod is fixedly connected to a pulling block. Two clamping grooves are formed on the inside of the elongated opening, and a transmission assembly is provided between the two rotating rods.

[0009] Preferably, the seedling raising component includes a mounting groove, which is opened on the top of the device body, a nutrient solution tank is formed at the bottom end of the mounting groove, a seedling raising tray is arranged inside the mounting groove, side panels are fixedly connected on both sides of the seedling raising tray, and two groups of guide column assemblies are arranged on the inner side of the side panels.

[0010] Preferably, the seedling raising assembly also includes two rope blocks, which are respectively fixedly connected to the top of the two side panels, and connecting seats are provided on the outer sides of the two rope blocks. The two connecting seats are fixedly connected to the top of the device body, and traction wheels are installed on the inner sides of the top ends of the two connecting seats.

[0011] Preferably, the two tying rope blocks are fixedly connected with traction ropes, the two traction ropes are respectively arranged on two traction wheels, and the two traction ropes are respectively wound around the inner sides of two winding drums.

[0012] Preferably, one end of the two long rods is fixedly connected with a stopper, and the two stoppers are in contact with the connecting disk. The two stoppers are arranged to block the connecting disk and prevent the connecting disk from detaching from the two long rods.

[0013] Preferably, the transmission assembly includes a first gear, which is fixedly connected to the outer side of the other end of one of the rotating rods, the outer side of the first gear is meshed with a second gear, the inner side of the second gear is fixedly connected to a rotating rod, and the rotating rod is rotatably connected to the rear side of one of the U-shaped seats.

[0014] Preferably, the transmission assembly further includes a first sprocket and a second sprocket, the first sprocket is fixedly connected to one end of a rotating rod, the second sprocket is fixedly connected to one end of another rotating rod, and the first sprocket and the second sprocket are connected via a chain transmission.

[0015] The utility model provides a tobacco floating seedling hardening device, which has the following beneficial effects:

[0016] 1. In the tobacco floating seedling hardening device, the connecting rod drives the connecting plate to slide on the two long rods, and the two reset springs are elastically compressed. The limit rod can be driven by the connecting plate to move out of the limit groove to release the limit on the winding disc. After the connecting rod drives the card plate to move out of the long mouth, the pulling block is rotated, and the connecting rod drives the card plate to rotate and adjust the card plate to a vertical state. After that, the pulling block is loosened, and under the elastic reset action of the two reset springs, the card plate is clamped into the two card slots, so that the limit rod can be limited. After that, the personnel can turn the handle without holding the limit rod.

[0017] 2. The tobacco floating seedling hardening device has a handle that is rotated in the opposite direction, wherein one of the rotating rods drives the first gear to rotate, the first gear is meshed with the second gear, the second gear drives the first sprocket to rotate through the rotating rod, the first sprocket is connected to the second sprocket through a chain transmission, so that the two rotating rods drive the two winding discs to rotate in opposite directions, thereby the two traction ropes can be reeled in simultaneously and the seedling tray can be pulled up. This structural design is convenient for personnel to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the device body of the utility model;

[0020] Figure 3This is a schematic diagram of the rotating rod structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the U-shaped plate structure of the utility model.

[0022]

Main component symbol description

[0023] 1. Device body; 2. Mounting slot; 3. Nutrient solution tank; 4. Seedling tray; 5. Side panel; 6. Guide column assembly; 7. Rope block; 8. Connecting seat; 9. Traction wheel; 10. Winding disc; 11. U-shaped seat; 12. Rotating rod; 13. First gear; 14. Second gear; 15. Rotating rod; 16. First sprocket; 17. Second sprocket; 18. Limiting slot; 19. Limiting rod; 20. Connecting plate; 21. Long rod; 22. Reset spring; 23. Block; 24. Connecting rod; 25. U-shaped plate; 26. Clamping plate; 27. Long opening; 28. Clamping slot. DETAILED DESCRIPTION

[0024] The utility model embodiment provides a tobacco floating seedling hardening device.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a device body 1, rotating rods 12 are provided on both sides of the top of the device body 1, and the outer sides of the two rotating rods 12 are rotatably connected to U-shaped seats 11, one end of one of the rotating rods 12 is fixedly connected to a turning handle, and the two U-shaped seats 11 are fixedly connected to the top of the device body 1, and the outer sides of the two rotating rods 12 are fixedly connected to a winding disk 10, and a seedling raising component is provided between the two winding disks 10, and a plurality of limiting grooves 18 are opened on the front side of one of the winding disks 10, and a limiting rod 19 is provided inside one of the limiting grooves 18, and a connecting disk 20 is fixedly connected to one end of the limiting rod 19, and two long rods 21 are provided on the front side of the connecting disk 20, and one end of the two long rods 21 is fixedly connected to the U-shaped seat 11, and the other ends of the two long rods 21 pass through the connecting disk 20 and are slidably connected to the connecting disk 20, and one end of the two long rods 21 is fixedly connected A stopper 23 is connected, and both stoppers 23 are in contact with the connecting disk 20. A return spring 22 is sleeved on the outer side of the long rod 21. Both ends of the return spring 22 are fixedly connected to the U-shaped seat 11 and the connecting disk 20 respectively. A connecting rod 24 is rotatably connected to the front side of the connecting disk 20. One end of the connecting rod 24 passes through the inner side of the U-shaped seat 11 and is slidably connected to the U-shaped seat 11. A clamping plate 26 is fixedly connected to the outer side of one end of the connecting rod 24. The clamping plate 26 contacts the U-shaped seat 11. A U-shaped plate 25 is provided on the outer side of the clamping plate 26. The U-shaped plate 25 is fixedly connected to the front side of one of the U-shaped seats 11. A long opening 27 is opened on the front side of the U-shaped plate 25. One end of the connecting rod 24 passes through the long opening 27. A pulling block is fixedly connected to one end of the connecting rod 24. Two clamping grooves 28 are formed on the inner side of the long opening 27. A transmission assembly is provided between the two rotating rods 12.

[0026] The seedling raising component includes a mounting groove 2, which is opened at the top of the device body 1. A nutrient solution groove 3 is formed at the bottom end of the mounting groove 2. A seedling raising tray 4 is arranged inside the mounting groove 2. Side panels 5 are fixedly connected on both sides of the seedling raising tray 4. Two groups of guide column assemblies 6 are arranged on the inner side of the side panels 5. The seedling raising component also includes two rope tying blocks 7, which are respectively fixedly connected to the tops of the two side panels 5. Connecting seats 8 are arranged on the outer sides of the two rope tying blocks 7. The two connecting seats 8 are fixedly connected to the top of the device body 1. Traction wheels 9 are installed on the inner sides of the tops of the two connecting seats 8. Traction ropes are fixedly connected to the two rope tying blocks 7. The two traction ropes are respectively arranged on the two traction wheels 9. The two traction ropes are respectively wound around the inner sides of the two winding drums 10.

[0027] Specifically, when it is necessary to turn the handle, the personnel pulls the pull block outward, and the connecting rod 24 drives the connecting disk 20 to slide on the two long rods 21, and the two return springs 22 are elastically compressed, and the limit rod 19 can be driven by the connecting disk 20 to move out from the inside of the limit groove 18, so as to release the limit on the winding disk 10. After the connecting rod 24 drives the card plate 26 to move out of the long mouth 27, the pull block is rotated, and the connecting rod 24 drives the card plate 26 to rotate, and adjusts the card plate 26 to a vertical state. After that, the pull block is loosened, and under the action of the elastic reset of the two return springs 22, the card plate 26 is stuck in the two card grooves 28, so that the limit rod 19 can be limited. After that, the personnel can turn the handle without holding the limit rod 19.

[0028] See also Figure 1 and Figure 3 The transmission assembly includes a first gear 13, which is fixedly connected to the outer side of the other end of one of the rotating rods 12, and the outer side of the first gear 13 is meshed with a second gear 14, and the inner side of the second gear 14 is fixedly connected to a rotating rod 15, and the rotating rod 15 is rotatably connected to the rear side of one of the U-shaped seats 11. The transmission assembly also includes a first sprocket 16 and a second sprocket 17, the first sprocket 16 is fixedly connected to one end of the rotating rod 15, and the second sprocket 17 is fixedly connected to one end of the other rotating rod 12, and the first sprocket 16 and the second sprocket 17 are connected through a chain transmission.

[0029] Specifically, the handle is rotated in the opposite direction, and one of the rotating rods 12 drives the first gear 13 to rotate, the first gear 13 is meshed with the second gear 14, and the second gear 14 drives the first sprocket 16 to rotate through the rotating rod 15. The first sprocket 16 is connected to the second sprocket 17 through a chain transmission, so that the two rotating rods 12 drive the two winding discs 10 to rotate in opposite directions, so that the two traction ropes can be reeled in at the same time and the seedling tray 4 can be pulled up. This structural design is convenient for personnel to operate.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A tobacco floating seedling hardening device, comprising a device body (1), characterized in that: The top of the device body (1) is provided with rotating rods (12) on both sides, and the outer sides of the two rotating rods (12) are rotatably connected to U-shaped seats (11), one end of one of the rotating rods (12) is fixedly connected to a turning handle, and the two U-shaped seats (11) are fixedly connected to the top of the device body (1), and the outer sides of the two rotating rods (12) are fixedly connected to a winding disk (10), and a seedling raising component is provided between the two winding disks (10), and a plurality of limiting grooves (18) are opened on the front side of one of the winding disks (10), and a limiting rod (19) is provided inside one of the limiting grooves (18), and one end of the limiting rod (19) is fixedly connected to a connecting disk (20), and two long rods (21) are provided on the front side of the connecting disk (20), and one end of the two long rods (21) is fixedly connected to the U-shaped seat (11), and the other ends of the two long rods (21) pass through the connecting disk (20) and are slidably connected to the connecting disk (20), and the A return spring (22) is sleeved on the outside of the long rod (21), and the two ends of the return spring (22) are respectively fixedly connected to the U-shaped seat (11) and the connecting plate (20), and the front side of the connecting plate (20) is rotatably connected to a connecting rod (24), one end of the connecting rod (24) passes through the inside of the U-shaped seat (11) and is slidably connected to the U-shaped seat (11), and the outer side of one end of the connecting rod (24) is fixedly connected to a clamping plate (26), and the clamping plate (26) is connected to the U-shaped seat (11). A U-shaped plate (25) is provided on the outside of the clamping plate (26), the U-shaped plate (25) is fixedly connected to the front side of one of the U-shaped seats (11), an elongated opening (27) is provided on the front side of the U-shaped plate (25), one end of the connecting rod (24) passes through the elongated opening (27), one end of the connecting rod (24) is fixedly connected to a pulling block, two clamping grooves (28) are formed on the inside of the elongated opening (27), and a transmission assembly is provided between the two rotating rods (12).

2. The tobacco floating seedling hardening device according to claim 1, characterized in that: The seedling raising component comprises a mounting groove (2), wherein the mounting groove (2) is arranged at the top of the device body (1), a nutrient solution groove (3) is formed at the bottom of the mounting groove (2), a seedling raising tray (4) is arranged inside the mounting groove (2), side plates (5) are fixedly connected to both sides of the seedling raising tray (4), and two groups of guide column components (6) are arranged on the inner side of the side plates (5).

3. The tobacco floating seedling hardening device according to claim 2, characterized in that: The seedling raising assembly further comprises two tying rope blocks (7), the two tying rope blocks (7) are respectively fixedly connected to the tops of the two side plates (5), the outer sides of the two tying rope blocks (7) are provided with connecting seats (8), the two connecting seats (8) are both fixedly connected to the top of the device body (1), and the inner sides of the top ends of the two connecting seats (8) are both installed with traction wheels (9).

4. The tobacco floating seedling hardening device according to claim 3, characterized in that: The two tying rope blocks (7) are both fixedly connected with traction ropes, the two traction ropes are respectively arranged on two traction wheels (9), and the two traction ropes are respectively wound around the inner sides of two winding drums (10).

5. The tobacco floating seedling hardening device according to claim 1, characterized in that: One end of each of the two long rods (21) is fixedly connected to a stopper (23), and each of the two stoppers (23) is in contact with the connection plate (20).

6. The tobacco floating seedling hardening device according to claim 1, characterized in that: The transmission assembly comprises a first gear (13), the first gear (13) being fixedly connected to the outer side of the other end of one of the rotating rods (12), the outer side of the first gear (13) being meshingly connected to a second gear (14), the inner side of the second gear (14) being fixedly connected to a rotating rod (15), and the rotating rod (15) being rotatably connected to the rear side of one of the U-shaped seats (11).

7. The tobacco floating seedling hardening device according to claim 6, characterized in that: The transmission assembly further comprises a first sprocket (16) and a second sprocket (17); the first sprocket (16) is fixedly connected to one end of the rotating rod (15); the second sprocket (17) is fixedly connected to one end of another rotating rod (12); the first sprocket (16) and the second sprocket (17) are connected via a chain transmission.

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