Forestry seedling raising device and seedling raising method thereof

Abstract

The invention provides a forestry seedling raising device and a seedling raising method thereof, and relates to the technical field of seedling raising. The forestry seedling raising device comprises a seedling raising base and a shell base, four water inlet grooves are formed in the upper end face of the seedling raising base at equal intervals in the circumferential direction, water outlet assemblies are fixedly arranged in the four water inlet grooves, and a plurality of seedling raising vessels are fixedly arranged at the positions, between every two water inlet grooves, of the upper end face of the seedling raising base. A connecting column is fixedly arranged at the midpoint of the upper end face of the seedling raising base, four outer sleeve shells are arranged at the position, close to the upper end, of the outer wall of the connecting column at equal intervals in a surrounding mode, and auxiliary mechanisms are embedded into the four outer sleeve shells. The device has the effects of assisting in straightening the seedlings and independently isolating the seedlings, toppling and skewing generated in the seedling cultivation process and mutual interference of direct contact between every two seedlings are reduced, and meanwhile the effects of directly supplying water to the roots and automatically cutting off the water supply according to the water storage amount can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of seedling cultivation, and in particular to a forestry seedling cultivation device and a seedling cultivation method thereof. Background Art

[0002] Saplings are also called seedlings for short, which are a general term for various fruit tree seedlings, tree seedlings, and shrub seedlings. Seedling cultivation refers to the cultivation of seedlings. In forestry, the cultivation of forestry seedlings is an indispensable condition. Generally speaking, seedling cultivation is carried out in seedling trays. With the improvement of people's environmental awareness, people will use various garden seedlings to decorate roads or gardens and purify the environment to improve environmental performance. The traditional seedling cultivation method has a long seedling cultivation cycle and is gradually being eliminated. The existing method is mostly to cut the seedling roots or branches into small sections for seedling cultivation, and then transplant them after seedling cultivation.

[0003] For example, patent (CN113692898A) discloses a multi-layered seedling raising device for forestry, which uses an irrigation mechanism to directly irrigate the top of the seedlings; patent (CN115428666A) discloses a seedling raising device suitable for factory-scale seedling planting, which realizes the comprehensive application of nutrient solution through the reciprocating linear motion of the atomizing nozzle in the box. However, in the prior art, the common seedling raising device sprays water from the upper side during the seedling raising process. On the one hand, water easily accumulates in the leaf axils and other places, causing smoldering and rot. On the other hand, it is not easy to fully infiltrate the water into the soil. At the same time, the water application process needs to be stopped manually, which makes it difficult to use and control it in a simple and timely manner. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a forestry seedling raising device and a seedling raising method thereof, which solves the problem in the prior art that the common seedling raising device sprays water from the upper side during the seedling raising process. On the one hand, water is easily accumulated in the leaf axils and other positions to cause smoldering and rot; on the other hand, it is not easy for the water to penetrate into the soil in sufficient quantities. At the same time, the water application process needs to be stopped by human control, which makes it difficult to use and control it simply and timely.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a forestry seedling raising device and a seedling raising method thereof, comprising a seedling raising seat and an outer shell seat, the upper end surface of the seedling raising seat is provided with four water inlet grooves with circumferential equal intervals, and the four water inlet grooves are fixedly provided with water outlet components, the upper end surface of the seedling raising seat is located between two water inlet grooves and a plurality of seedling raising dishes are fixedly provided with a connecting column at the midpoint of the upper end surface of the seedling raising seat, four outer shells are evenly spaced around the upper end of the outer wall of the connecting column, and auxiliary mechanisms are embedded in the four outer shells, a fixing column is fixedly provided at the midpoint of the lower end surface of the seedling raising seat, a contraction positioning spring is fixedly provided at the lower end of the fixing column, and a base is fixedly provided at the lower end surface of the contraction positioning spring, a pushing mechanism is fixedly provided on one side of the upper end surface of the base, an adjusting component is provided at the lower end of the base, and a touch mechanism is fixedly provided on one side of the inner wall of the outer shell seat;

[0008] The adjusting assembly comprises an adjusting rod and an inner rod, one end of the adjusting rod is fixedly sleeved with a worm, the upper end of the inner rod is fixed to the lower end of the base and the lower end is threadedly sleeved with an outer rod, the outer wall of the outer rod is fixedly sleeved with a worm wheel, and the worm wheel is meshed with the worm wheel;

[0009] The water outlet assembly comprises a fixed plate, and a water outlet pipe is fixedly arranged at the upper end of the fixed plate;

[0010] The pushing mechanism comprises a bottom rod, a connecting spring is arranged inside the bottom rod and a pushing rod is connected to the upper end of the connecting spring, and a pushing rack is fixedly arranged on one side of the pushing rod;

[0011] The trigger mechanism includes a mounting block, which is fixed on one side of the inner wall of the outer shell seat, a trigger block is slidably embedded on the other side of the mounting block, and a trigger rack is fixedly provided at the lower end of the trigger block, fixed blocks are fixedly provided at the front and rear ends of one side of the mounting block, and a rotating shaft is rotatably provided between the two fixed blocks, and a gear is fixedly sleeved on one side of the outer wall of the rotating shaft.

[0012] Preferably, the width of the fixing plate is smaller than the width of the water inlet groove, and the water inlet groove runs through the interior of the seedling raising seat, the lower ends of the plurality of seedling raising dishes are connected to the water inlet groove, and seedling planting pots are embedded in the seedling raising dishes.

[0013] Preferably, the auxiliary mechanism includes an auxiliary table, a plurality of auxiliary cylinders are arranged on the upper end of the auxiliary table, a card block is arranged on one side of the lower end surface of the auxiliary table and the card block is embedded in the outer shell, and the plurality of auxiliary cylinders correspond vertically to the plurality of seedling dishes at the lower end respectively.

[0014] Preferably, a water inlet pipe is fixedly provided on one side of the outer wall of the fixed column, and four water supply pipes are circumferentially arranged at equal intervals on the upper end surface of the fixed column. The four water supply pipes are respectively connected to four water outlet pipes, and multiple water outlets are opened on both sides of the outer walls of the four water outlet pipes.

[0015] Preferably, a pump body is fixedly arranged inside the fixed column, the water inlet end of the pump body is connected to the water inlet pipe, and the water outlet end of the pump body is connected to four water supply pipes through conduits.

[0016] Preferably, the two sides of the gear are respectively meshed with the pushing rack and the trigger rack, a trigger block is fixedly provided on one side of the lower end of the fixed column and the trigger block is located at the lower end of the trigger block, and a processor is provided in the fixed column.

[0017] Preferably, a No. 1 scale mark and a No. 2 scale mark are fixedly provided on one side of the front end surface of the outer wall of the seedling raising seat, and the height of the No. 1 scale mark is greater than that of the No. 2 scale mark, wherein the No. 1 scale mark is used to mark the amount of water added, and the No. 2 scale mark is used to mark the deformation amount of the contraction positioning spring.

[0018] Preferably, a method for using a forestry seedling raising device specifically comprises the following steps:

[0019] Step 1. Place the seedlings of the saplings together with the seedling pots at the lower end into the seedling tray, then insert four auxiliary mechanisms into the outer shell outside the connecting column so that they correspond to the multiple seedling trays at the lower end. At this time, the seedlings pass through the auxiliary mechanisms at the upper end to separate each seedling;

[0020] Step 2. After placing the auxiliary mechanism and the seedlings, observe the height of the No. 2 ruler at the front end. If the No. 2 ruler is always exposed to the outside, turn the adjustment component to drive the upper base to move, ensuring that the No. 2 ruler is completely stored in the outer shell and the No. 1 ruler is always exposed to the outside;

[0021] Step 3. Use the internal pump body to pump water into the water outlet assembly. The water source slides down from the water outlet outside the water outlet pipe along the outer wall of the fixed plate into the water inlet trough. The water source in the water inlet trough is connected with the bottom of the seedling tray to complete the water source injection into the hole at the bottom of the seedling pot where the sapling is placed, so as to complete the direct water supply to the roots;

[0022] The weight of the upper end keeps changing during the continuous water injection process. When the mass increases to the point where the No. 1 ruler is completely sunk into the outer shell, the pushing mechanism and the trigger mechanism at the lower end are operated in conjunction to press the trigger block, thereby triggering the internal processor to stop the water supply.

[0023] (III) Beneficial effects

[0024] The present invention provides a forestry seedling raising device and a seedling raising method thereof, which have the following beneficial effects:

[0025] 1. The present invention provides a forestry seedling raising device and a seedling raising method thereof, which provides a detachable auxiliary mechanism at the upper end to assist in the straightening of the cultivated seedlings and to isolate each seedling individually, thereby reducing the tipping and tilting caused during the seedling cultivation process and the mutual interference caused by direct contact between the seedlings.

[0026] 2. The present invention provides a forestry seedling raising device and a seedling raising method thereof. A fixed column, a contraction positioning spring and a base at the lower end of the contraction positioning spring which are linked with a seedling raising seat are arranged inside. The base is assisted by an adjusting component to adjust the lifting and lowering function, which can not only meet the height adjustment function required for positioning, but also has a certain automatic recovery effect. At the same time, a pushing mechanism and a triggering mechanism linked with the pushing mechanism are arranged on the upper end of the base. When the fixed column continuously moves downward, the contraction positioning spring is squeezed and a driving force is generated on the pushing mechanism, so that the driving force on the triggering mechanism is completed during the downward movement. The triggering mechanism will touch the trigger block during operation, thereby triggering the internal processor to send a stop command, and finally completing the effect of stopping water supply. At the same time, the device can also directly supply water to the roots of seedlings, reducing water accumulation and splashing on leaves caused by traditional spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the shaft side structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0029] Figure 3 For the present invention Figure 2 A schematic diagram of the structure from another side perspective;

[0030] Figure 4 For the present invention Figure 2 Schematic diagram of the local structure;

[0031] Figure 5 For the present invention Figure 4 A structural diagram from another perspective;

[0032] Figure 6 It is a structural schematic diagram of the pushing mechanism of the present invention.

[0033] Among them, 1. seedling seat; 2. auxiliary mechanism; 201, auxiliary table; 202, auxiliary cylinder; 3, water outlet assembly; 301, fixed plate; 302, water outlet pipe; 4, outer shell seat; 5, adjustment assembly; 501, adjustment rod; 502, worm; 503, worm wheel; 504, outer rod; 505, inner rod; 6, No. 1 ruler; 7, pushing mechanism; 701, bottom rod; 702, pushing rack; 703, pushing rod; 8, contraction positioning spring; 9, No. 2 ruler; 10, base; 11, water inlet pipe; 12, seedling dish; 13, outer shell; 14, fixed column; 15, water supply pipe; 16, trigger block; 17, trigger mechanism; 18, connecting column; 1701, trigger block; 1702, mounting block; 1703, gear; 1704, rotating shaft; 1705, fixed block. DETAILED DESCRIPTION

[0034] 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.

[0035] Example:

[0036] like Figure 1-6 As shown, the embodiment of the present invention provides a forestry seedling raising device, including a seedling raising seat 1 and an outer shell seat 4, the upper end surface of the seedling raising seat 1 is provided with four water inlet grooves with equal circumferential spacing, and the four water inlet grooves are fixedly provided with water outlet components 3, and the upper end surface of the seedling raising seat 1 is located between the two water inlet grooves and a plurality of seedling raising dishes 12 are fixedly provided, a connecting column 18 is fixedly provided at the midpoint of the upper end surface of the seedling raising seat 1, and four outer shells 13 are evenly spaced around the outer wall of the connecting column 18, and the four outer shells 13 are embedded with auxiliary mechanisms 2, a fixing column 14 is fixedly provided at the midpoint of the lower end surface of the seedling raising seat 1, a contraction positioning spring 8 is fixedly provided at the lower end of the fixing column 14, and a base 10 is fixedly provided on the lower end surface of the contraction positioning spring 8, a pushing mechanism 7 is fixedly provided on one side of the upper end surface of the base 10, an adjusting component 5 is provided at the lower end of the base 10, and a trigger mechanism 17 is fixedly provided on one side of the inner wall of the outer shell seat 4;

[0037] Specifically, the water outlet component 3 is located inside the water inlet trough, which includes four upward openings and a water storage chamber opened inside the seedling seat 1. The water flowing out of the water outlet component 3 is collected in the water inlet trough and then uniformly injected into the water storage chamber inside to supply water to the roots.

[0038] Reference Figure 1-Figure 2A No. 1 ruler 6 and a No. 2 ruler 9 are fixedly arranged on one side of the front end surface of the outer wall of the seedling raising seat 1. The height of the No. 1 ruler 6 is greater than that of the No. 2 ruler 9. The No. 1 ruler 6 is used to mark the amount of water added, and the No. 2 ruler 9 is used to mark the deformation of the contraction positioning spring 8. When the No. 2 ruler 9 is completely sunk into the outer shell seat 4, the No. 1 ruler 6 is exposed to the outside, and it can be determined that the current water source is in an insufficient state. When the No. 1 ruler 6 is completely sunk into the outer shell seat 4, it can be determined that the current water source is sufficient, and there is no need to replenish the water source.

[0039] Reference Figure 1-Figure 2 The auxiliary mechanism 2 includes an auxiliary table 201, a plurality of auxiliary cylinders 202 are arranged at the upper end of the auxiliary table 201, a card block is arranged on one side of the lower end surface of the auxiliary table 201, and the card block is embedded in the outer shell 13, and the plurality of auxiliary cylinders 202 correspond vertically to the plurality of seedling trays 12 at the lower end respectively; the auxiliary table 201 can be quickly inserted into the outer shell 13 by the card block at the lower end to complete the installation and use, which not only has a fast positioning effect, but also is convenient for installation and disassembly, and the auxiliary cylinder 202 corresponds to the seedling tray 12 up and down, which can play an auxiliary straightening and auxiliary supporting effect, and plays an independent isolation function between adjacent seedlings;

[0040] Reference Figure 1-Figure 5 The adjusting assembly 5 includes an adjusting rod 501 and an inner rod 505. One end of the adjusting rod 501 is fixedly sleeved with a worm 502. The upper end of the inner rod 505 is fixed to the lower end of the base 10 and the lower end is threadedly sleeved with an outer rod 504. The outer wall of the outer rod 504 is fixedly sleeved with a worm wheel 503. The worm wheel 503 is meshed with the worm 502.

[0041] Specifically, when in use, the adjusting rod 501 is twisted to drive the worm 502 to rotate, and the rotation of the worm 502 drives the meshing worm wheel 503 to rotate, and the combination of the worm wheel 503 and the worm 502 forms a one-way locking rotation function. When the worm wheel 503 rotates, it drives the outer rod 504 on the inside to rotate. Since the inner rod 505 and the outer rod 504 are threadedly connected and fixed on the base 10, when the outer rod 504 rotates, the inner rod 505 is pushed to realize up and down lifting movement, thereby realizing the base 10 and multiple components on the upper end of the base 10 to perform linked lifting and lowering movements.

[0042] Reference Figure 1-Figure 3, the water outlet component 3 includes a fixed plate 301, and a water outlet pipe 302 is fixedly arranged at the upper end of the fixed plate 301; the width of the fixed plate 301 is smaller than the width of the water inlet groove, and the water inlet groove runs through the inside of the seedling seat 1, and the lower ends of multiple seedling trays 12 are connected to the water inlet groove and the seedling trays 12 are embedded with seedling planting pots; a water inlet pipe 11 is fixedly arranged on one side of the outer wall of the fixed column 14, and four water supply pipes 15 are arranged around the circumference of the upper end surface of the fixed column 14 at equal intervals. The four water supply pipes 15 are respectively connected to the four water outlet pipes 302, and multiple water outlets are opened on both sides of the outer walls of the four water outlet pipes 302, and a pump body is fixedly arranged inside the fixed column 14, and the water inlet end of the pump body is connected to the water inlet pipe 11 and the water outlet end is connected to the four water supply pipes 15 through a conduit;

[0043] Specifically, when in use, the pump body at the lower end pumps the water in the water tank connected to the water inlet pipe 11 into the inside of the conduit, and then the water source enters the water delivery pipe 15 and then enters the water outlet pipe 302 at the upper end. At this time, the water source slides down from the water outlet outside the water outlet pipe 302 along the outer wall of the fixed plate 301 into the water inlet trough. The water source in the water inlet trough is connected to the bottom end of the seedling dish 12 to complete the injection of water into the holes opened at the bottom end of the seedling pot where the saplings are placed, and finally completes direct water supply to the roots.

[0044] Reference Figure 1-Figure 6 , the pushing mechanism 7 includes a bottom rod 701, a connecting spring is arranged inside the bottom rod 701, and a pushing rod 703 is connected to the upper end of the connecting spring, and a pushing rack 702 is fixedly arranged on one side of the pushing rod 703; the trigger mechanism 17 includes a mounting block 1702, the mounting block 1702 is fixed to one side of the inner wall of the housing seat 4, the other side of the mounting block 1702 is slidably embedded with a trigger block 1701, and a trigger rack is fixedly arranged at the lower end of the trigger block 1701, and a fixed block 1705 is fixedly arranged at the front and rear ends of one side of the mounting block 1702, and a rotating shaft 1704 is rotatably arranged between the two fixed blocks 1705, and a gear 1703 is fixedly sleeved on one side of the outer wall of the rotating shaft 1704; the two sides of the gear 1703 are respectively meshed and connected with the pushing rack 702 and the trigger rack, a trigger block 16 is fixedly arranged on one side of the lower end of the fixed column 14, and the trigger block 1701 is located at the lower end of the trigger block 16, and a processor is arranged in the fixed column 14;

[0045] Specifically, when water is injected into the seedling raising seat 1 at the upper end, the weight of the seedling raising seat 1 changes, causing the extrusion force it generates downward to change. Since the height of the adjusting assembly 5 at the lower end no longer changes, the force on the contraction positioning spring 8 changes at this time and causes it to contract again, that is, the fixed column 14 at the upper end is forced to move downward. During the downward movement of the fixed column 14, an extrusion force is generated on the upper push rod 703 to squeeze the connecting spring at the lower end to contract. The downward movement of the push rod 703 brings with it the downward movement of the outer push rack 702, which pushes the gear 1703 engaged in the rotation. When the gear 1703 rotates, it will synchronously drive the trigger rack on the other side to rise and fall, and then the trigger block 1701 at the upper end of the trigger rack slides up and down in the mounting block 1702, and when sliding upward, it will touch the trigger block 16 at the lower end of the fixed column 14, and the trigger block 16 sends a stop command to the internal processor, and the processor controls the pump body to stop and complete the water supply stop.

[0046] A method for using a forestry seedling raising device specifically comprises the following steps:

[0047] Step 1. Place the seedlings of the saplings together with the seedling pots at the lower end into the seedling tray 12, and then insert the four auxiliary mechanisms 2 into the outer shell 13 outside the connecting column 18 so that they correspond to the multiple seedling trays 12 at the lower end. At this time, the seedlings pass through the upper auxiliary mechanism 2 to separate each seedling;

[0048] Step 2. After the auxiliary mechanism 2 and the seedlings are placed, observe the height of the second ruler 9 at the front end. If the second ruler 9 is always exposed to the outside, rotate the adjustment component 5, and use the adjustment component 5 to drive the upper base 10 to move, ensuring that the second ruler 9 is completely stored in the housing seat 4 and the first ruler 6 is always exposed to the outside;

[0049] Step 3. Use the internal pump body to pump water into the water outlet assembly 3. The water source slides down from the water outlet outside the water outlet pipe 302 along the outer wall of the fixed plate 301 into the water inlet trough. The water source in the water inlet trough is connected with the bottom of the seedling tray 12 to complete the water source injection into the hole at the bottom of the seedling pot where the sapling is placed, so as to complete the direct water supply to the roots;

[0050] The weight of the upper end thereof keeps changing during the continuous water injection process. When the mass increases to the point where the No. 1 scale mark 6 is completely sunk into the housing seat 4, the pushing mechanism 7 and the trigger mechanism 17 at the lower end are operated in conjunction to press the trigger block 16, thereby triggering the internal processor to stop the water supply.

[0051] 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 forestry seedling raising device, comprising a seedling raising seat (1) and a housing seat (4), characterized in that: The upper end surface of the seedling raising seat (1) is provided with four water inlet grooves at equal intervals in a circle, and the four water inlet grooves are fixedly provided with water outlet components (3). The upper end surface of the seedling raising seat (1) is located between two water inlet grooves and a plurality of seedling raising plates (12) are fixedly provided. A connecting column (18) is fixedly provided at the midpoint of the upper end surface of the seedling raising seat (1), and four outer shells (13) are evenly spaced around the outer wall of the connecting column (18), and the four outer shells (13) are embedded inside. An auxiliary mechanism (2) is provided, a fixing column (14) is fixedly provided at the midpoint of the lower end surface of the seedling raising seat (1), a contraction positioning spring (8) is fixedly provided at the lower end of the fixing column (14), and a base (10) is fixedly provided at the lower end surface of the contraction positioning spring (8), a pushing mechanism (7) is fixedly provided at one side of the upper end surface of the base (10), an adjusting component (5) is provided at the lower end of the base (10), and a trigger mechanism (17) is fixedly provided at one side of the inner wall of the outer shell seat (4); The adjustment assembly (5) comprises an adjustment rod (501) and an inner rod (505); one end of the adjustment rod (501) is fixedly sleeved with a worm (502); the upper end of the inner rod (505) is fixed to the lower end of the base (10) and the lower end is threadedly sleeved with an outer rod (504); the outer wall of the outer rod (504) is fixedly sleeved with a worm wheel (503); the worm wheel (503) is meshed with the worm wheel (502); The water outlet assembly (3) comprises a fixing plate (301), and a water outlet pipe (302) is fixedly arranged at the upper end of the fixing plate (301); The pushing mechanism (7) comprises a bottom rod (701), a connecting spring is arranged inside the bottom rod (701), and a pushing rod (703) is connected to the upper end of the connecting spring, and a pushing rack (702) is fixedly arranged on one side of the pushing rod (703); The trigger mechanism (17) comprises a mounting block (1702), wherein the mounting block (1702) is fixed to one side of the inner wall of the housing seat (4), a trigger block (1701) is slidably embedded in the other side of the mounting block (1702), and a trigger rack is fixedly arranged at the lower end of the trigger block (1701), a fixing block (1705) is fixedly arranged at the front and rear ends of one side of the mounting block (1702), and a rotating shaft (1704) is rotatably arranged between the two fixing blocks (1705), and a gear (1703) is fixedly sleeved on one side of the outer wall of the rotating shaft (1704).

2. A forestry seedling raising device according to claim 1, characterized in that: The width of the fixing plate (301) is smaller than the width of the water inlet trough, and the water inlet trough runs through the interior of the seedling raising seat (1), the lower ends of the plurality of seedling raising plates (12) are all connected to the water inlet trough, and seedling planting pots are embedded in the seedling raising plates (12).

3. A forestry seedling raising device according to claim 1, characterized in that: The auxiliary mechanism (2) comprises an auxiliary platform (201), a plurality of auxiliary cylinders (202) are arranged at the upper end of the auxiliary platform (201), a clamping block is arranged on one side of the lower end surface of the auxiliary platform (201), and the clamping block is embedded in the outer shell (13), and the plurality of auxiliary cylinders (202) respectively correspond vertically to the plurality of seedling cultivation plates (12) at the lower end.

4. A forestry seedling raising device according to claim 1, characterized in that: A water inlet pipe (11) is fixedly arranged on one side of the outer wall of the fixed column (14), and four water supply pipes (15) are arranged around the upper end surface of the fixed column (14) at equal intervals, the four water supply pipes (15) are respectively connected to four water outlet pipes (302), and multiple water outlets are opened on both sides of the outer walls of the four water outlet pipes (302).

5. A forestry seedling raising device according to claim 4, characterized in that: A pump body is fixedly arranged inside the fixed column (14); the water inlet end of the pump body is connected to the water inlet pipe (11) and the water outlet end is connected to four water supply pipes (15) through a conduit.

6. A forestry seedling raising device according to claim 1, characterized in that: The two sides of the gear (1703) are respectively meshed with the pushing rack (702) and the trigger rack, a trigger block (16) is fixedly arranged on one side of the lower end of the fixed column (14), and the trigger block (1701) is located at the lower end of the trigger block (16), and a processor is arranged in the fixed column (14).

7. The forestry seedling raising device according to claim 1, characterized in that: A first scale mark (6) and a second scale mark (9) are fixedly arranged on one side of the front end surface of the outer wall of the seedling raising seat (1), wherein the height of the first scale mark (6) is greater than that of the second scale mark (9), wherein the first scale mark (6) is used to mark the amount of water added, and the second scale mark (9) is used to mark the amount of deformation of the contraction positioning spring (8).

8. A method for using a forestry seedling raising device, characterized in that: The specific steps include: Step 1. Place the saplings of the seedlings together with the seedling pots at the lower end into the seedling tray (12), then insert the four auxiliary mechanisms (2) into the outer shell (13) outside the connecting column (18) so that they correspond to the multiple seedling trays (12) at the lower end. At this time, the saplings pass through the upper auxiliary mechanism (2) to separate each sapling; Step 2. After the auxiliary mechanism (2) and the seedlings are placed, observe the height of the second ruler (9) at the front end. If the second ruler (9) is always exposed to the outside, rotate the adjustment component (5) and use the adjustment component (5) to drive the upper base (10) to move, ensuring that the second ruler (9) is completely stored in the outer shell seat (4) and the first ruler (6) is always exposed to the outside; Step 3. Use the internal pump body to pump water into the water outlet assembly (3). The water source slides down from the water outlet on the outside of the water outlet pipe (302) along the outer wall of the fixed plate (301) into the water inlet trough. The water source in the water inlet trough is connected with the bottom of the seedling tray (12) to complete the water injection into the hole at the bottom of the seedling pot where the sapling is placed, so as to complete the direct water supply to the roots. The weight of the upper end thereof changes continuously during the continuous water injection process. When the weight increases to the point where the No. 1 scale mark (6) is completely sunk into the housing seat (4), the pushing mechanism (7) and the trigger mechanism (17) at the lower end are operated in conjunction to press the trigger block (16), thereby triggering the internal processor to stop the water supply.

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