Forestry soilless seedling raising equipment

Abstract

The invention discloses forestry soilless seedling raising equipment, and relates to the technical field of seedling raising, the forestry soilless seedling raising equipment comprises a seedling raising box, the top of the seedling raising box is provided with an extension mechanism used for adjusting height along with seedling growth, and the seedling raising box is internally provided with a lifting mechanism used for supporting seedling roots; a lifting mechanism used for changing the height of seedlings in the seedling raising box is arranged on the side face of the seedling raising box, an adaptive mechanism used for clamping seedlings of different thicknesses is arranged in the extension mechanism, the extension mechanism comprises first sleeves symmetrically, vertically and slidably connected to the top of the seedling raising box, and a moving rod is slidably connected into a cavity in the top of each first sleeve; by arranging the extension mechanism, the clamping block can be separated from the limiting hole by pressing the clamping block, and the movable rod is re-locked after being pushed upwards step by step, so that the height of the extrusion rod is adjusted, the extrusion rod is ensured to be always synchronous with the growth of forest seedlings, upper support is provided in time, and the phenomena of bending, inclining or lodging of stalks caused by supporting lag are reduced; the shape quality of upright growth of the seedlings is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of seedling raising, in particular to a forestry soilless seedling raising equipment. BACKGROUND

[0002] With the development of soilless seedling raising technology, it has become possible for trees to grow rapidly and develop well. By formulating nutrient solution to supply plants with the nutrients required for growth, soilless seedling raising not only shortens the growth cycle, but also ensures the overall growth and health of plants and improves the survival rate after transplantation. Whether it is substrate seedling raising or nutrient solution seedling raising, it can ensure sufficient water and nutrient supply and also meet the demand of plants for good aeration.

[0003] However, in the current use of soilless seedling raising equipment, the growth height of tree seedlings will continue to increase, and the height of the existing fixed frame is a fixed structure. The fixed frame cannot dynamically adjust the height of the fixed frame according to the growth length of the trees, and cannot ensure that the seedlings are properly supported, causing the seedlings to bend.

[0004] Therefore, the present application proposes a forestry soilless seedling raising equipment to make up for and improve the shortcomings of the prior art. SUMMARY

[0005] In view of the above problems, the present application provides a forestry soilless seedling raising equipment that can effectively solve the problem that the fixed frame in the prior art cannot dynamically adjust the height of the fixed frame according to the growth length of the seedlings. In order to achieve the above-mentioned purpose, the embodiments of the present application provide the following technical solutions:

[0006] The present application discloses a forestry soilless seedling raising equipment, which comprises a seedling raising box, an extension mechanism for adjusting the height along with the growth of seedlings is arranged on the top of the seedling raising box, a lifting mechanism for supporting the root part of the seedlings is arranged inside the seedling raising box, a lifting mechanism for changing the height of the seedlings in the seedling raising box is arranged on the side of the seedling raising box, and an adaptation mechanism for clamping seedlings with different thicknesses is arranged inside the extension mechanism.

[0007] The extension mechanism comprises a first sleeve symmetrically and vertically slidingly connected to the top of the seedling raising box, a moving rod is slidingly connected to the inside of the cavity at the top of each first sleeve, a containing groove is formed in the side of each moving rod, a clamping block is slidingly connected to the opening of the containing groove, a plurality of limiting holes matched with the clamping block are vertically formed in the side wall of the first sleeve, a first extrusion spring is fixedly connected to the end of the clamping block away from the limiting hole, and the end of the first extrusion spring away from the clamping block is fixedly connected to the inner wall of the containing groove.

[0008] Further, the extension mechanism further comprises a horizontal plate fixedly connected to the top of the moving rod, each side of the horizontal plate is symmetrically connected with a rotating shaft through rotation, one side of the rotating shaft is fixedly connected with a swing rod, and one end of the swing rod away from the rotating shaft is fixedly connected with a pressing rod.

[0009] Further, the rotating shaft is further sleeved with a torsion spring outside, one end of the torsion spring is fixedly connected with the rotating shaft, and the other end of the torsion spring is fixedly connected with the side of the horizontal plate.

[0010] Further, the lifting mechanism comprises a placing plate fixedly connected to the bottom of the two first sleeves, one side of the placing plate is fixedly connected with a first L-shaped plate, the horizontal section of the first L-shaped plate is provided with a groove, the other side of the placing plate is fixedly connected with a second L-shaped plate, the vertical section of the second L-shaped plate is horizontally and slidably connected with a first sliding rod, and one end of the first sliding rod is fixedly connected with a mounting plate.

[0011] Further, one end of the first sliding rod away from the mounting plate is fixedly connected with a second sleeve, the second sleeve is slidably connected with a T-shaped rod inside the cavity, the second sleeve is provided with a second pressing spring inside the cavity, one end of the second pressing spring is fixedly connected with the T-shaped rod, and the other end of the second pressing spring is fixedly connected with the inner wall of the second sleeve.

[0012] Further, the first sliding rod is further sleeved with a second reset spring outside, and the second reset spring is located between the first L-shaped plate and the mounting plate, and one end of the first sliding rod away from the mounting plate is fixedly connected with a roller.

[0013] Further, the horizontal section of the second L-shaped plate is vertically and slidably connected with a second sliding rod, the top of the second sliding rod is fixedly connected with a triangular block, the inclined surface of the triangular block is rollingly connected with the roller, the second sliding rod is sleeved with a first reset spring outside, and the first reset spring is located at the bottom of the second L-shaped plate, and the bottom of the first sliding rod is fixedly connected with a connecting plate.

[0014] Further, the lifting mechanism comprises a fixing plate fixedly connected to the outside of the first sleeve, the bottom of the fixing plate is fixedly connected with a rack, the side of the seedling box is further rotationally connected with a gear, the gear is meshed with the rack, the side of the gear is fixedly connected with a hand wheel, and the hand wheel is coaxially and fixedly connected with the gear.

[0015] Further, the side of the rack is further provided with a plurality of ratchets, the side of the seedling box is further rotationally connected with a pawl, the pawl is meshed with the ratchets, the side of the seedling box is fixedly connected with an elastic plate, and the side of the elastic plate is in mutual abutment with the side of the pawl.

[0016] Further, the adapting mechanism comprises a rectangular shell fixedly connected with the outside of the extruding rod, a extruding block is slidably connected to one side of the rectangular shell close to the other extruding rod, a V-shaped elastic sheet is arranged in the cavity of the rectangular shell, one end of the V-shaped elastic sheet is fixedly connected with the inner wall of the rectangular shell, and the other end of the V-shaped elastic sheet is fixedly connected with the side of the extruding block.

[0017] The beneficial effects of the present application are as follows:

[0018] 1、The device can adjust the height of the extruding rod by setting the extension mechanism, pressing the clamping block to make it separate from the limiting hole, and then pushing the moving rod step by step and locking it again, so that the height of the extruding rod can be adjusted, ensuring that the extruding rod is always synchronized with the growth of the seedling, providing timely upper support, reducing the bending, tilting or lodging phenomenon of the stem caused by lagging support, and ensuring the upright growth form and quality of the seedling.

[0019] 2、The device is provided with an adapting mechanism, which utilizes the good elasticity and rebound stability of the V-shaped elastic sheet. When seedling stems of different diameters are inserted between the extruding block and the extruding rod, the extruding block slides under stress and compresses the V-shaped elastic sheet, generating a clamping force that fits the surface of the stem. The clamping force is automatically adjusted according to the thickness of the stem, which can firmly fix thin stem seedlings and avoid applying excessive pressure to thick stems, thereby enhancing the overall stability and ensuring the growth quality of the seedlings.

[0020] 3、The device is provided with a lifting mechanism, which uses the first L-shaped plate and T-shaped rod to fix the lower part of the seedling stem and cooperates with the extension mechanism to fix the upper part of the stem, thereby supporting both ends of the seedling and ensuring that the seedling maintains a stable posture during growth, avoiding damage to the root system caused by shaking or deflection. In combination with the two extruding rods, the seedling can be more stably fixed, reducing the possibility of seedling deviation.

[0021] 4、By setting the movable T-shaped rod, when the seedling roots are disturbed by water flow or affected by external vibration in the nutrient solution environment, the T-shaped rod can undergo a slight displacement along the cavity of the second sleeve, and the second extruding spring is compressed or stretched accordingly, thereby playing a buffering and damping role. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 It is a perspective view of the first angle in the present application.

[0024] Figure 2 It is a perspective view of the second view angle in the application.

[0025] Figure 3 It is a perspective view of the extension mechanism in the application.

[0026] Figure 4 It is an exploded view of the second sleeve and T-shaped rod in the application.

[0027] Figure 5 It is a perspective view of the lifting mechanism in the application. Figure 3 It is an enlarged view of the structure at A in the application.

[0028] Figure 6 It is an exploded view of the rotating shaft and torsion spring in the application.

[0029] Figure 7 It is a longitudinal sectional view of the adapting mechanism in the application.

[0030] Figure 8 It is a perspective view of the lifting mechanism in the application.

[0031] The reference signs in the drawings represent: 10, seedling box; 20, extension mechanism; 201, first sleeve; 202, moving rod; 203, horizontal plate; 204, rotating shaft; 205, torsion spring; 206, swinging rod; 207, extruding rod; 208, accommodating groove; 209, clamping block; 210, first extruding spring; 211, limiting hole; 30, lifting mechanism; 301, placing plate; 302, first L-shaped plate; 303, recess; 304, second L-shaped plate; 305, first sliding rod; 306, mounting plate; 307, second sleeve; 308, T-shaped rod; 309, second extruding spring; 310, roller; 311, second sliding rod; 312, triangular block; 313, first return spring; 314, connecting plate; 315, second return spring; 40, lifting mechanism; 401, fixed plate; 402, rack; 403, gear; 404, hand wheel; 405, ratchet; 406, pawl; 407, elastic plate; 50, adapting mechanism; 501, rectangular shell; 502, extruding block; 503, V-shaped elastic sheet. DETAILED DESCRIPTION

[0032] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0033] The present application will be further described below with reference to the embodiments.

[0034] Referring to Figures 1 to 8 The forestry soilless seedling raising equipment of the embodiment comprises a seedling raising box 10, an extension mechanism 20 for adjusting the height along with the growth of seedlings is arranged on the top of the seedling raising box 10, a lifting mechanism 30 for supporting the roots of seedlings is arranged in the seedling raising box 10, a lifting mechanism 40 for changing the height of seedlings in the seedling raising box 10 is arranged on the side of the seedling raising box 10, and an adapting mechanism 50 for clamping seedlings with different thicknesses is arranged in the extension mechanism 20.

[0035] The extension mechanism 20 comprises a first sleeve 201 which is symmetrically and vertically slidably connected to the top of the seedling raising box 10, a moving rod 202 is slidably connected to the inside of the cavity at the top of each first sleeve 201, a containing groove 208 is formed in the side of each moving rod 202, a clamping block 209 is slidably connected to the opening of the containing groove 208, a plurality of limiting holes 211 which are matched with the clamping block 209 are vertically formed in the side wall of the first sleeve 201, a first extrusion spring 210 is fixedly connected to the end of the clamping block 209 which is away from the limiting hole 211, and the end of the first extrusion spring 210 which is away from the clamping block 209 is fixedly connected to the inner wall of the containing groove 208.

[0036] The extension mechanism 20 further comprises a cross plate 203 which is fixedly connected to the top of the moving rod 202, a rotating shaft 204 is symmetrically and rotatably connected to the side of each cross plate 203, a swing rod 206 is fixedly connected to the side of the rotating shaft 204, and an extrusion rod 207 is fixedly connected to the end of the swing rod 206 which is away from the rotating shaft 204.

[0037] The rotating shaft 204 is further sleeved with a torsion spring 205, one end of the torsion spring 205 is fixedly connected to the outside of the rotating shaft 204, and the other end of the torsion spring 205 is fixedly connected to the side of the cross plate 203.

[0038] In specific work, during seedling raising, the seedling is placed between the two extrusion rods 207, so that the seedling is placed downward from between the two extrusion rods 207, the root of the seedling is placed into the placement plate 301, the lower part of the stem of the seedling is fixed by the lifting mechanism 30, the upper part of the stem of the seedling is clamped and fixed by the two extrusion rods 207 through the auxiliary clamping force provided by the torsion spring 205 for the swing rod 206, the overall stability is enhanced, and as the seedling continuously grows, the clamping block 209 can be separated from the limiting hole 211 by pressing, then the moving rod 202 can be pulled to move upward along the first sleeve 201, finally the clamping block 209 is loosened and re-enters the limiting hole 211 under the pushing of the first extrusion spring 210, the fixing of the moving rod 202 is realized, the moving rod 202 moves to drive the extrusion rod 207 to move synchronously, the height adjustment of the extrusion rod 207 is realized, it is ensured that the extrusion rod 207 is always synchronous with the growth of the seedling, timely upper support is provided, the stem bending, tilting or lodging phenomenon caused by lagging support is reduced, and the morphological quality of the upright growth of the seedling is ensured.

[0039] The lifting mechanism 30 comprises a placement plate 301 fixedly connected at the bottom of the two first sleeves 201, one side of the placement plate 301 is fixedly connected with a first L-shaped plate 302, a groove 303 is formed in the horizontal section of the first L-shaped plate 302, the other side of the placement plate 301 is fixedly connected with a second L-shaped plate 304, the vertical section of the second L-shaped plate 304 is horizontally and slidingly connected with a first sliding rod 305, one end of the first sliding rod 305 is fixedly connected with a mounting plate 306, and rubber pads for reducing damage to the stem of the seedling are arranged on the side of the groove 303.

[0040] The mounting plate 306 is fixedly connected with a second sleeve 307 away from one end of the first sliding rod 305, a T-shaped rod 308 is slidingly connected in the cavity of the second sleeve 307, a second extrusion spring 309 is arranged in the cavity of the second sleeve 307, one end of the second extrusion spring 309 is fixedly connected with the T-shaped rod 308, the other end of the second extrusion spring 309 is fixedly connected with the inner wall of the second sleeve 307, and rubber pads are also arranged on the side of the T-shaped rod 308 close to the groove 303, and the T-shaped rod 308 and the groove 303 are in the same horizontal plane.

[0041] The first sliding rod 305 is further sleeved with a second reset spring 315 outside, and the second reset spring 315 is located between the first L-shaped plate 302 and the mounting plate 306.

[0042] The horizontal section of the second L-shaped plate 304 is vertically and slidingly connected with a second sliding rod 311, the top of the second sliding rod 311 is fixedly connected with a triangular block 312, the inclined surface of the triangular block 312 is rollingly connected with a roller 310, the outside of the second sliding rod 311 is sleeved with a first reset spring 313, and the first reset spring 313 is located at the bottom of the second L-shaped plate 304, and the bottom of the first sliding rod 305 is fixedly connected with a connecting plate 314.

[0043] In specific work, when cultivating seedlings, the roots of the seedlings are placed on the placing plate 301, so that the stems at the bottom of the seedlings are located in the grooves 303, when the placing plate 301 is controlled to descend by the lifting mechanism 40, the connecting plate 314 first abuts against the bottom of the seedling cultivation box 10, the second sliding rod 311 is pushed upward by the connecting plate 314, the triangular block 312 is synchronously moved upward by the second sliding rod 311, the inclined surface of the triangular block 312 pushes the first sliding rod 305 to move horizontally by the roller 310, the first sliding rod 305 drives the T-shaped rod 308 to extrude the stems of the seedlings in the grooves 303, the rubber pads on the sides of the T-shaped rod 308 avoid damaging the stems, and the posture of the seedlings is kept stable during growth, when the roots of the seedlings are disturbed by water flow or affected by external vibration in the nutrient solution environment, the T-shaped rod 308 is slightly displaced in the cavity of the second sleeve 307, and the second compression spring 309 is compressed or stretched accordingly, thereby playing a buffering and damping role.

[0044] When the seedlings need to be taken out of the seedling cultivation box 10, the placing plate 301 is controlled to rise by the lifting mechanism 40, the connecting plate 314 is separated from the bottom of the seedling cultivation box 10, and then the second sliding rod 311 is moved downward under the elastic pushing of the first reset spring 313, the first sliding rod 305 is moved horizontally by the second reset spring 315 when the second sliding rod 311 synchronously descends with the triangular block 312, the mounting plate 306 and the T-shaped rod 308 are separated from the side of the stems of the seedlings, and then the stems of the seedlings can be pulled out upward between the T-shaped rod 308 and the grooves 303 of the mounting plate 306, when the seedlings are pulled out upward, the two extrusion plates 207 need to be pried away from each other, at this time, the seedlings can be taken out upward from the seedling cultivation box 10, if the seedlings are not taken out, the roots of the seedlings can be lifted out of the nutrient solution when the placing plate 301 rises from the seedling cultivation box 10, so that the growth of the roots of the seedlings can be observed, the stems at the bottom of the seedlings are fixed by the lifting mechanism 30, and the upper part of the stems of the seedlings is clamped by the extension mechanism 20, the stems of the seedlings are fixed at the upper and lower ends by the two sets of mechanisms, so as to ensure that the seedlings do not tilt during cultivation.

[0045] The lifting mechanism 40 comprises a fixed plate 401 fixedly connected to the outside of the first sleeve 201, the bottom of the fixed plate 401 is fixedly connected with a rack 402, the side of the seedling box 10 is also rotatably connected with a gear 403, the gear 403 is engaged with the rack 402, the side of the gear 403 is fixedly connected with a hand wheel 404, and the hand wheel 404 is coaxially fixedly connected with the gear 403.

[0046] The side of the rack 402 is also provided with a plurality of ratchets 405, the side of the seedling box 10 is also rotatably connected with a pawl 406, the pawl 406 is engaged with the ratchet 405, the side of the seedling box 10 is fixedly connected with an elastic plate 407, and the side of the elastic plate 407 is in mutual abutment with the side of the pawl 406.

[0047] In specific work, the hand wheel 404 is rotated to drive the gear 403 to rotate, the gear 403 drives the rack 402 to move upwards, the first sleeve 201 is driven by the fixed plate 401 to vertically rise upwards when the rack 402 moves upwards, the placing plate 301 and the seedling can be driven to rise upwards when the first sleeve 201 rises, the seedling is driven to rise upwards, on the one hand, the growth of the seedling roots can be observed, and on the other hand, the lifting mechanism 30 is released from the fixation of the seedling stems at the bottom, so that the seedling is conveniently taken out of the seedling box 10.

[0048] The adapting mechanism 50 comprises a rectangular shell 501 fixedly connected with the outside of the extrusion rod 207, the side of the rectangular shell 501 close to the other extrusion rod 207 is slidably connected with an extrusion block 502, the cavity of the rectangular shell 501 is provided with a V-shaped elastic sheet 503, one end of the V-shaped elastic sheet 503 is fixedly connected with the inner wall of the rectangular shell 501, and the other end of the V-shaped elastic sheet 503 is fixedly connected with the side of the extrusion block 502, and the side of the extrusion rod 207 is also provided with a rubber pad.

[0049] In specific work, the V-shaped elastic sheet 503 has good elasticity and rebound stability, when the stems of seedlings with different diameters are inserted between the extrusion block 502 and the extrusion rod 207, the rubber pad on the side of the extrusion block 502 is attached to the side of the stem to avoid damage to the stem bark by the extrusion block 502, the extrusion block 502 is forced to slide and compress the V-shaped elastic sheet 503, a clamping force is generated to attach to the surface of the stem, the clamping force is automatically adjusted according to the thickness of the stem, the thin-stemmed seedling is firmly fixed, the thick-stemmed seedling is prevented from being damaged by excessive pressure, the overall stability is enhanced, and the growth quality of the seedling is ensured.

[0050] Working principle:

[0051] When the seedling is grown, the root of the seedling is placed in the lifting mechanism 30, the lower part of the stem of the seedling is fixed by the lifting mechanism 30, and the upper part of the stem is fixed by the extension mechanism 20, so that the two ends of the seedling are supported, the posture of the seedling is kept stable during growth, and the seedling of different diameters is fixed by the matching mechanism 50. In different stages of growth of the seedling, the height of the extrusion rod 207 is adjusted by adjusting the extension mechanism 20, so that the extrusion rod 207 is always synchronized with the growth of the seedling, timely provides upper support, and through the lifting mechanism 40, on the one hand, the whole seedling is lifted to observe the growth condition, and on the other hand, the height of the seedling is lowered, so that the possibility of the seedling being inclined is reduced.

[0052] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A soilless seedling cultivation device for forestry, characterized in that, The system includes a seedling box (10), the top of which is provided with an extension mechanism (20) for adjusting the height as the seedlings grow, the inside of which is provided with a lifting mechanism (30) for supporting the roots of the seedlings, the side of which is provided with a lifting mechanism (40) for changing the height of the seedlings in the seedling box (10), and the inside of the extension mechanism (20) is provided with an adaptation mechanism (50) for clamping seedlings of different thicknesses. The extension mechanism (20) includes a first sleeve (201) symmetrically and vertically slidably connected to the top of the seedling box (10). A moving rod (202) is slidably connected inside the top cavity of each first sleeve (201). A receiving groove (208) is opened on the side of each moving rod (202). A locking block (209) is slidably connected at the opening of the receiving groove (208). A plurality of limiting holes (211) matching the locking block (209) are vertically opened on the side wall of the first sleeve (201). A first compression spring (210) is fixedly connected to the end of the locking block (209) away from the limiting hole (211). The end of the first compression spring (210) away from the locking block (209) is fixedly connected to the inner wall of the receiving groove (208).

2. The soilless seedling raising equipment for forestry according to claim 1, characterized in that, The extension mechanism (20) further includes a horizontal plate (203) fixedly connected to the top of the moving rod (202). Each horizontal plate (203) has a rotating shaft (204) symmetrically rotatably connected to its side. A swing rod (206) is fixedly connected to the side of the rotating shaft (204). A pressing rod (207) is fixedly connected to the end of the swing rod (206) away from the rotating shaft (204).

3. The soilless seedling raising equipment for forestry according to claim 2, characterized in that, A torsion spring (205) is also sleeved on the outside of the rotating shaft (204). One end of the torsion spring (205) is fixedly connected to the outside of the rotating shaft (204), and the other end of the torsion spring (205) is fixedly connected to the side of the horizontal plate (203).

4. The soilless seedling raising equipment for forestry according to claim 1, characterized in that, The lifting mechanism (30) includes a placement plate (301) fixedly connected to the bottom of two first sleeves (201). A first L-shaped plate (302) is fixedly connected to one side of the placement plate (301). A groove (303) is provided in the horizontal section of the first L-shaped plate (302). A second L-shaped plate (304) is fixedly connected to the other side of the placement plate (301). A first slide rod (305) is horizontally slidably connected to the vertical section of the second L-shaped plate (304). A mounting plate (306) is fixedly connected to one end of the first slide rod (305).

5. A soilless seedling raising device for forestry according to claim 4, characterized in that, The mounting plate (306) is fixedly connected to a second sleeve (307) at the end away from the first slide rod (305). A T-shaped rod (308) is slidably connected inside the cavity of the second sleeve (307). A second compression spring (309) is provided inside the cavity of the second sleeve (307). One end of the second compression spring (309) is fixedly connected to the T-shaped rod (308), and the other end of the second compression spring (309) is fixedly connected to the inner wall of the second sleeve (307).

6. The soilless seedling raising equipment for forestry according to claim 5, characterized in that, The first slide rod (305) is also sleeved with a second return spring (315), and the second return spring (315) is located between the first L-shaped plate (302) and the mounting plate (306). A roller (310) is fixedly connected to the end of the first slide rod (305) away from the mounting plate (306).

7. A soilless seedling raising device for forestry according to claim 6, characterized in that, The second L-shaped plate (304) is vertically slidably connected to a second slide rod (311) on its horizontal section. A triangular block (312) is fixedly connected to the top of the second slide rod (311). The inclined surface of the triangular block (312) is slidably connected to a roller (310). A first return spring (313) is sleeved on the outside of the second slide rod (311), and the first return spring (313) is located at the bottom of the second L-shaped plate (304). A connecting plate (314) is fixedly connected to the bottom of the first slide rod (305).

8. The soilless seedling raising equipment for forestry according to claim 1, characterized in that, The lifting mechanism (40) includes a fixed plate (401) fixedly connected to the outside of the first sleeve (201). A rack (402) is fixedly connected to the bottom of the fixed plate (401). A gear (403) is rotatably connected to the side of the seedling box (10). The gear (403) meshes with the rack (402). A handwheel (404) is fixedly connected to the side of the gear (403), and the handwheel (404) is coaxially fixedly connected to the gear (403).

9. A soilless seedling raising device for forestry according to claim 8, characterized in that, The rack (402) is also provided with a plurality of ratchet teeth (405) on its side, and the seedling box (10) is also rotatably connected to the side of the ratchet (406). The ratchet (406) meshes with the ratchet teeth (405), and the seedling box (10) is fixedly connected to the side of the elastic plate (407). The side of the elastic plate (407) abuts against the side of the ratchet (406).

10. A soilless seedling raising device for forestry according to claim 1, characterized in that, The adapter mechanism (50) includes a rectangular shell (501) fixedly connected to the outside of the extrusion rod (207). An extrusion block (502) is slidably connected to the side of the rectangular shell (501) near another extrusion rod (207). A V-shaped elastic sheet (503) is provided inside the cavity of the rectangular shell (501). One end of the V-shaped elastic sheet (503) is fixedly connected to the inner wall of the rectangular shell (501), and the other end of the V-shaped elastic sheet (503) is fixedly connected to the side of the extrusion block (502).

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