Forestry tree seedling transplanting device

Abstract

The invention belongs to the technical field of forestry seedling raising, and particularly relates to a forestry tree seedling raising and transplanting device which comprises two mounting plates, a sliding groove is formed in the right side face of the left mounting plate, and the left side face of the right mounting plate is fixedly connected with the right side face of a sliding plate. According to the invention, the placing hole is formed in the middle of the placing disc, and the connecting frame and the clamping plate are arranged above the placing disc, so that when the fixing mechanism is used for fixing and auxiliary transportation of a sapling, a soil ball at the root of the sapling can be placed in the placing hole to be protected, and then the supporting plate can be inserted into the slot to connect the connecting frame with the placing disc; the screw rod is rotated to enable the clamping plates on the front side and the rear side to be in contact with the tree trunk of the sapling to clamp the sapling, so that the stability of the sapling in the transportation process is effectively improved, and the conditions of branch breaking, soil ball loosening and the like of the sapling in the transportation process can be effectively avoided by adopting an upright and independent storage mode; the survival rate of subsequent sapling transplanting is effectively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of forestry seedling cultivation, and particularly relates to a forestry tree seedling transplanting device. BACKGROUND

[0002] In the cultivation process of forestry trees, according to the use requirements or cultivation needs of trees, people will transplant seedlings or trees, and in the process of transplanting, the seedlings or trees are carried to the conveying device for transplanting. In the prior art, when the seedlings are transported, the seedlings are usually directly placed and stacked in the transport vehicle compartment, which will cause the seedlings to be squeezed with each other, and in the transportation process, the soil ball at the root of the seedling will be squeezed, shaken and rubbed to be loose from the root of the seedling, and the branches of the seedling will also be squeezed to be broken, which affects the survival rate of the subsequent seedling transplanting. SUMMARY

[0003] The purpose of the present application is to provide a forestry tree seedling transplanting device, which can effectively improve the stability of the seedlings in the transportation process, and the vertical and separate storage mode can effectively avoid the breakage of the branches and the loosening of the soil ball of the seedlings in the transportation process, effectively improve the survival rate of the subsequent seedling transplanting, and effectively improve the stability of the installation of the fixing mechanism by using the connection between the fixing mechanisms and the installation plate, avoid the damage to the seedlings caused by the sliding of the fixing mechanism in the vehicle compartment during transportation, and further improve the protection effect of the device on the seedlings in the transportation process.

[0004] The technical scheme adopted by the present application is as follows:

[0005] A forestry tree seedling transplanting device, comprising two installation plates, a sliding groove is formed in the right side surface of the left installation plate, the left side surface of the right installation plate is fixedly connected with the right side surface of a sliding plate, the sliding groove and the sliding plate are respectively connected with the fixing mechanisms at the left and right ends, the fixing mechanisms adjacent to each other are connected with each other, and a plurality of limiting holes one are formed in the left end of the sliding groove.

[0006] The opposite surfaces of the two installation plates are fixedly provided with a plurality of fixing plates, the bottom surfaces of the fixing plates are respectively fixedly connected with the upper ends of a plurality of welding rods, and the bottom ends of the welding rods are in the same plane with the bottom end of the installation plate.

[0007] Further, each fixing mechanism comprises a placing disc, a connecting groove is formed in the right side surface of the placing disc, the connecting groove in the rightmost fixing mechanism is slidingly connected with the sliding plate, a limiting hole two is formed in the middle of the left side surface of the connecting groove, the left side surface of the placing disc is fixedly connected with the right end of a sliding block, the sliding block in the leftmost fixing mechanism is slidingly connected with the sliding groove, and the sliding blocks between the fixing mechanisms adjacent to each other are inserted into the connecting grooves.

[0008] Further, the sliding block is provided with a mounting groove, and a spring two is arranged in the mounting groove, and the spring two is sleeved on the outer side of a limiting rod two, and the left end of the limiting rod two in the leftmost fixing mechanism is inserted into a limiting hole one, and the limiting rod two between the left and right adjacent two fixing mechanisms is inserted into a limiting hole two.

[0009] Further, the two ends of the spring two are fixedly connected with the left end of the mounting groove and the bottom end of the left side surface of the pull plate, and the bottom end of the left side surface of the pull plate is also fixedly connected with the right end of the limiting rod two, and the pull plate extends to the upper side of the sliding block through the slot.

[0010] Further, a placing hole is formed in the middle of the upper surface of the placing disc, and an insertion slot is formed on the front and rear sides of the upper surface of the placing disc, and the two insertion slots are respectively inserted into the bottom ends of two supporting plates, and limiting holes four are formed in the bottom ends of the two supporting plates.

[0011] Further, the opposite ends of the two limiting rods one are respectively inserted into the two limiting hole fours, and the two limiting rods one are respectively sleeved with the two limiting hole threes, and the two limiting hole threes are respectively formed in the front and rear sides of the placing disc, and the opposite ends of the two limiting hole threes are respectively communicated with the two insertion slots.

[0012] Further, the opposite ends of the two limiting rods one are respectively sleeved with the two springs one, and the two ends of the two springs one are respectively fixedly connected with the opposite ends of the two limiting rods one and the front and rear sides of the placing disc.

[0013] Further, the upper ends of the two supporting plates are respectively fixedly connected with the bottom surfaces of two connecting frames, and two handles are fixedly arranged on the opposite surfaces of the two connecting frames, and a screw hole and two through holes two are formed in the opposite ends of the two connecting frames.

[0014] Further, the two screw holes are respectively screwed with two screw rods, the opposite ends of the two screw rods are rotatably connected with the middle parts of the opposite surfaces of two clamping plates through bearings, four through holes two are respectively sleeved with four slide rods, the four slide rods are arranged in two groups, and the opposite ends of the two groups of slide rods are respectively fixedly connected with the opposite surfaces of the two clamping plates, the opposite surfaces of the two clamping plates are arc surfaces, and the opposite ends of the two screw rods are fixedly provided with hand wheels.

[0015] Further, the left and right ends of the rear surface of the front connecting frame are respectively fixedly connected with the front ends of two splicing plates, the rear ends of the two splicing plates are respectively inserted into two splicing slots, the two splicing slots are respectively formed in the left and right ends of the front surface of the rear connecting frame, a sleeve hole is formed in each of the splicing plates, sleeve holes are also formed in the upper and lower ends of each splicing slot, three sleeve holes corresponding in the upper and lower directions are sleeved with a same bolt, and the bottom end of the bolt is screwed with a nut.

[0016] The technical effects achieved by the present application are as follows:

[0017] The present application has the technical effects that:

[0018] The present application has the technical effects that: BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a front view structural schematic diagram of the present application;

[0020] Figure 2 is a structural schematic diagram of the sliding groove in the present application;

[0021] Figure 3 is a structural schematic diagram of the fixing mechanism in the present application;

[0022] Figure 4 is a structural schematic diagram of the placing disc in the present application;

[0023] Figure 5 is a front view cross-sectional structural schematic diagram of the sliding block in the present application;

[0024] Figure 6 is a structural schematic diagram of the support plate in the present application;

[0025] Figure 7 is a right view cross-sectional structural schematic diagram of the connecting frame in the present application.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1. Mounting plate; 2. Welding rod; 3. Fixing plate; 4. Sliding plate; 5. Fixing mechanism; 51. Placement plate; 52. Connecting groove; 53. Limiting hole 2; 54. Limiting rod 1; 55. Placement hole; 56. Support plate; 57. Handle; 58. Connecting frame; 59. Spring 1; 510. Limiting hole 3; 511. Slot; 512. Sliding block; 513. Pull plate; 514. Limiting rod 2; 515. Mounting groove; 516. Notch; 517. Through hole 1; 518. Spring 2; 519. Clamp; 520. Through hole 2; 521. Sliding rod; 522. Limiting hole 4; 523. Screw; 524. Screw hole; 525. Splicing plate; 526. Bolt; 527. Nut; 528. Hole; 529. Splicing groove; 6. Sliding groove; 7. Limiting hole 1. DETAILED DESCRIPTION

[0028] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the following examples. It should be understood that the following text is only used to describe one or more specific embodiments of the present invention and does not strictly limit the scope of protection of the present invention.

[0029] like Figures 1-7 As shown, a forestry tree seedling transplanting device includes two mounting plates 1. The right side of the left mounting plate 1 is provided with a sliding groove 6. The left side of the right mounting plate 1 is fixedly connected to the right side of the sliding plate 4. The sliding groove 6 and the sliding plate 4 are respectively connected to the fixing mechanisms 5 at the left and right ends. The two adjacent fixing mechanisms 5 on the left and right are spliced ​​together. The left end of the sliding groove 6 is provided with a plurality of limiting holes 7.

[0030] A plurality of fixing plates 3 are fixedly provided on opposite sides of the two mounting plates 1, and the bottom surfaces of the plurality of fixing plates 3 are respectively fixedly connected to the upper ends of a plurality of welding rods 2, and the bottom ends of the welding rods 2 and the bottom ends of the mounting plates 1 are in the same plane. By arranging fixing plates 3 and welding rods 2 on opposite sides of the two mounting plates 1, when using this device to store and assist in the transportation of saplings, the user can place the two mounting plates 1 in appropriate positions in the carriage so that the two mounting plates 1 maintain a corresponding distance, and then weld the bottom ends of the welding rods 2 to the carriage to fix the mounting plates 1, so that the mounting plates 1 can be used to limit and fix the fixing mechanism 5 subsequently.

[0031] Each fixing mechanism 5 comprises a placing disc 51, the right side of the placing disc 51 is provided with a connecting groove 52, the connecting groove 52 in the rightmost fixing mechanism 5 is in sliding connection with the sliding plate 4, the middle part of the left side of the connecting groove 52 is provided with a limiting hole two 53, the left side of the placing disc 51 is fixedly connected with the right end of the sliding block 512, the sliding block 512 in the leftmost fixing mechanism 5 is in sliding connection with the sliding groove 6, the sliding block 512 between the left and right adjacent two fixing mechanisms 5 is inserted with the connecting groove 52, the left and right adjacent two fixing mechanisms 5 are spliced through the sliding block 512, the sliding groove 6, the sliding plate 4 and the connecting groove 52, and the left and right end fixing mechanisms 5 are connected with the mounting plate 1, when the fixing mechanism 5 is used for fixing and storing the saplings, the mounting plate 1 can be fixed in the transport compartment by the welding rod 2, then the splicing between the fixing mechanisms 5 and the connection between the fixing mechanism 5 and the mounting plate 1 are utilized, the stability of the fixing mechanism 5 installation is effectively improved, the saplings are prevented from being damaged due to the sliding of the fixing mechanism 5 in the compartment during transportation, and the protection effect of the device on the saplings during transportation is further improved.

[0032] The sliding block 512 is provided with an installation groove 515, the installation groove 515 is provided with a spring two 518, the spring two 518 is sleeved outside the limiting rod two 514, the left end of the limiting rod two 514 in the leftmost fixing mechanism 5 is inserted with the limiting hole one 7, and the limiting rod two 514 between the left and right adjacent two fixing mechanisms 5 is inserted with the limiting hole two 53.

[0033] The two ends of the spring two 518 are fixedly connected with the left end of the installation groove 515 and the bottom end of the left side of the pull plate 513, the bottom end of the left side of the pull plate 513 is also fixedly connected with the right end of the limiting rod two 514, the pull plate 513 extends to the upper side of the sliding block 512 through the slot 516, the limiting rod two 514 and the spring two 518 are arranged in the sliding block 512, when the sliding block 512 is connected with the sliding groove 6 or the sliding block 512 is connected with the connecting groove 52, the limiting and fixing of the forward and backward displacement of the sliding block 512, the placing disc 51 can be realized through the insertion of the limiting rod two 514 and the limiting hole one 7 or the limiting rod two 514 and the limiting hole two 53, and the stability of the splicing of the fixing mechanism 5 and the connection between the fixing mechanism 5 and the mounting plate 1 is effectively improved.

[0034] The upper surface of the placing disc 51 is provided with a placing hole 55 in the middle, and the upper surface of the placing disc 51 is provided with a slot 511 on the front and back sides, respectively. The two slots 511 are respectively inserted with the bottom ends of the two supporting plates 56. The bottom end of each of the two supporting plates 56 is provided with a limiting hole four 522. By providing the placing hole 55 in the middle of the placing disc 51 and providing the connecting frame 58 and the clamping plate 519 above the placing disc 51, when the fixing mechanism 5 is used to fix and assist in transporting the sapling, the soil ball at the root of the sapling can be placed in the placing hole 55 to protect the soil ball. Then the supporting plate 56 can be inserted into the slot 511 to connect the connecting frame 58 with the placing disc 51, and the front and back clamping plates 519 are rotated to contact the sapling trunk to clamp the sapling, thereby effectively improving the stability of the sapling during transportation. The upright and separate storage mode can effectively prevent the sapling from breaking branches and the soil ball from loosening during transportation, thereby effectively improving the survival rate of subsequent sapling transplanting.

[0035] The two limiting hole fours 522 are respectively inserted with the opposite ends of the two limiting rods one 54, the two limiting rods one 54 are respectively sleeved with the two limiting hole threes 510, the two limiting hole threes 510 are respectively provided on the front and back sides of the placing disc 51, and the opposite ends of the two limiting hole threes 510 are respectively in communication with the two slots 511. When the sapling needs to be transported to the transplanting site, the user can first disassemble the rightmost fixing mechanism 5 from front to back. When disassembling, the limiting rod two 514 is separated from the limiting hole two 53 by pulling the pull plate 513 in the rightmost fixing mechanism 5 to the right. Then the sliding plate 4 is separated from the connecting groove 52 by pulling the rightmost fixing mechanism 5 forward. When disassembling, the disassembly sequence is from right to left and from front to back.

[0036] The opposite ends of the two limiting rods one 54 are sleeved with the two springs one 59, the two ends of the two springs one 59 are fixedly connected with the opposite ends of the two limiting rods one 54 and the front and rear sides of the placing disc 51, the support plate 56 and the placing disc 51 are connected and fixed through the limiting rod one 54, the spring one 59, the limiting hole three 510 and the limiting hole four 522, so that the user can disassemble and assemble the support plate 56, the connecting frame 58 and the clamping plate 519, the user can take and place the sapling, when the sapling is transplanted to the ground pit, the user can pull the two limiting rods one 54 away from each other, so that the limiting rod one 54 is separated from the limiting hole four 522, then the user holds the handle 57 and pulls the two connecting frames 58 upward at the same time, so that the two connecting frames 58 and the sapling move upward, the soil ball at the root of the sapling is taken out from the placing hole 55, at this time, the user can carry the sapling by means of the handle 57, the connecting frame 58 and the clamping plate 519, carry the sapling to the transplanting pit, then the user can separate the nut 527 from the bolt 526, pull out the bolt 526 from the sleeve hole 528, and pull out the splicing plate 525 from the splicing groove 529 to separate the front and rear connecting frames 58 and the clamping plate 519, so that the user carries and transplants the sapling with the aid of the connecting frame 58 and the clamping plate 519.

[0037] The upper ends of the two support plates 56 are fixedly connected with the bottom surfaces of the two connecting frames 58, the opposite surfaces of the two connecting frames 58 are fixedly provided with the two handles 57, and the opposite ends of the two connecting frames 58 are provided with a screw hole 524 and two through holes two 520.

[0038] The two screw holes 524 are threadedly connected with the two screw rods 523, the opposite ends of the two screw rods 523 are rotationally connected with the middle parts of the opposite surfaces of the two clamping plates 519 through bearings, the four through holes two 520 are sleeved with the four slide rods 521, the four slide rods 521 are arranged in two groups, the opposite ends of the two groups of slide rods 521 are fixedly connected with the opposite surfaces of the two clamping plates 519, the opposite surfaces of the two clamping plates 519 are arc surfaces, and the opposite ends of the two screw rods 523 are fixedly provided with hand wheels.

[0039] The left and right ends of the rear side of the front connecting frame 58 are fixedly connected with the front ends of two splicing plates 525, the rear ends of the two splicing plates 525 are respectively inserted into two splicing grooves 529, the two splicing grooves 529 are respectively arranged on the left and right ends of the front side of the rear connecting frame 58, a sleeve hole 528 is arranged in each splicing plate 525, and sleeve holes 528 are also arranged at the upper and lower ends of each splicing groove 529.

[0040] The working principle of the present application is as follows: when the device is used to store and assist in transporting seedlings, the user can place two mounting plates 1 at appropriate positions in the carriage, so that the two mounting plates 1 maintain a corresponding distance, then the bottom of the welding rod 2 is welded to the carriage to fix the mounting plate 1, at this time the user can place the soil ball at the root of the seedling in the placing hole 55, then the user takes two connecting frames 58 and places them on both sides of the seedling, then inserts the splicing plate 525 into the splicing groove 529 to splice the two connecting frames 58, at the same time, the bolt 526 is inserted into the three corresponding sleeve holes 528, and the nut 527 is connected with the bolt 526 to splice and fix the two connecting frames 58, then the limiting rod one 54 on the front and back sides of the placing disc 51 is pulled away from each other to stretch the two springs one 59, and the supporting plate 56 is inserted into the insertion slot 511, when the bottom end of the supporting plate 56 moves to the bottom of the insertion slot 511, the limiting rod one 54 is loosened, at this time, the limiting rod one 54 is pulled to move into the limiting hole four 522 at the bottom of the supporting plate 56 by the pulling force of the spring one 59, to realize the connection and fixation of the supporting plate 56 and the placing disc 51.

[0041] Then the user can rotate the screw rod 523 to make the screw rod 523 move along the screw hole 524 to drive the clamping plate 519 to move close to the tree trunk of the seedling, when the front and back clamping plates 519 are in close contact with the tree trunk of the seedling, the seedling is fixed, at this time the user can hold the handle 57 to carry the seedling and the fixing mechanism 5, and move the fixing mechanism 5 and the seedling to the carriage of the transport vehicle, and pull the pull plate 513 in the leftmost fixing mechanism 5 to the right, so that the limiting rod two 514 is retracted into the through hole one 517, at this time the sliding block 512 in the leftmost fixing mechanism 5 is connected with the sliding groove 6, when the sliding block 512 of the left rear fixing mechanism 5 slides to the last end of the sliding groove 6, the pull plate 513 is loosened, at this time the pull plate 513 and the limiting rod two 514 are pulled to the left by the pulling force of the spring two 518, so that the limiting rod two 514 is inserted into the last limiting hole one 7, then the user repeats the above steps to sequentially connect and fix the leftmost plurality of fixing mechanisms 5 with the left mounting plate 1.

[0042] After the installation of the left fixing mechanism 5 is completed, the user can insert the sliding block 512 in the middle fixing mechanism 5 into the connecting slot 52 of the left fixing mechanism 5, and insert the limiting rod two 514 in the middle fixing mechanism 5 into the limiting hole two 53 in the left fixing mechanism 5, and insert the sliding block 512 in the rightmost fixing mechanism 5 into the connecting slot 52 of the middle fixing mechanism 5, and insert the limiting rod two 514 in the right fixing mechanism 5 into the middle limiting hole two 53, and at the same time, insert the sliding plate 4 into the connecting slot 52 in the rightmost fixing mechanism 5, at this time, the connection and fixation of the fixing mechanism 5 and the installation plate 1 are realized.

[0043] When the saplings need to be transported to the transplanting site, the user can first disassemble the rightmost fixing mechanism 5 from front to back, and when disassembling, pull the pull plate 513 in the rightmost fixing mechanism 5 to the right to make the limiting rod two 514 separate from the limiting hole two 53, and then pull the rightmost fixing mechanism 5 to the front to make the sliding plate 4 separate from the connecting slot 52, and when disassembling, follow the disassembly sequence from right to left and from front to back, take out the fixing mechanism 5 from the carriage, and when transplanting the saplings to the ground pit, the user can pull the two limiting rods one 54 away from each other to make the limiting rod one 54 separate from the limiting hole four 522, then hold the handle 57 and pull the two connecting frames 58 upward at the same time, so that the two connecting frames 58 and the sapling are moved upward, the root ball of the sapling is taken out from the placement hole 55, at this time, the user can use the handle 57, the connecting frame 58 and the clamping plate 519 to carry the sapling, carry the sapling to the transplanting pit, then the user can separate the nut 527 from the bolt 526, pull out the bolt 526 from the sleeve hole 528, and separate the two connecting frames 58 and the clamping plate 519 by pulling out the splicing plate 525 from the splicing slot 529.

[0044] The above is only the preferred embodiment of the present application, it should be noted that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A forestry tree seedling transplanting device, comprising two mounting plates (1), characterized in that: A sliding groove (6) is provided on the right side of the mounting plate (1) on the left side, and the left side of the mounting plate (1) on the right side is fixedly connected to the right side of the sliding plate (4). The sliding groove (6) and the sliding plate (4) are respectively connected to the fixing mechanisms (5) at the left and right ends, and the two adjacent fixing mechanisms (5) on the left and right sides are spliced ​​with each other. A plurality of limiting holes (7) are provided on the left end of the sliding groove (6); A plurality of fixing plates (3) are fixedly provided on opposite sides of the two mounting plates (1), and the bottom surfaces of the plurality of fixing plates (3) are respectively fixedly connected to the upper ends of the plurality of welding rods (2), and the bottom ends of the welding rods (2) and the bottom ends of the mounting plates (1) are in the same plane.

2. The forestry tree seedling transplanting device according to claim 1, characterized in that: Each of the fixing mechanisms (5) includes a placement plate (51), a connecting groove (52) is provided on the right side of the placement plate (51), the connecting groove (52) in the rightmost fixing mechanism (5) is slidably connected to the sliding plate (4), a second limiting hole (53) is provided in the middle of the left side of the connecting groove (52), the left side of the placement plate (51) is fixedly connected to the right end of the slider (512), the slider (512) in the leftmost fixing mechanism (5) is slidably connected to the sliding groove (6), and the slider (512) between the two adjacent fixing mechanisms (5) on the left and right is plugged into the connecting groove (52).

3. The forestry tree seedling transplanting device according to claim 2, characterized in that: The slider (512) is provided with a mounting groove (515), and the mounting groove (515) is provided with a second spring (518). The second spring (518) is sleeved on the outside of the second limiting rod (514). The left end of the second limiting rod (514) in the leftmost fixing mechanism (5) is plugged into the first limiting hole (7), and the second limiting rod (514) between the two adjacent fixing mechanisms (5) on the left and right is plugged into the second limiting hole (53).

4. The forestry tree seedling transplanting device according to claim 3, characterized in that: The two ends of the second spring (518) are fixedly connected to the left end of the mounting groove (515) and the bottom end of the left side of the pull plate (513), respectively. The bottom end of the left side of the pull plate (513) is also fixedly connected to the right end of the second limiting rod (514). The pull plate (513) extends through the slot (516) to the upper side of the slider (512).

5. The forestry tree seedling transplanting device according to claim 2, characterized in that: A placement hole (55) is provided in the middle of the upper surface of the placement plate (51), and slots (511) are provided on both the front and rear sides of the upper surface of the placement plate (51), and the two slots (511) are respectively plugged into the bottom ends of the two support plates (56), and the bottom ends of the two support plates (56) are provided with four limiting holes (522).

6. The forestry tree seedling raising and transplanting device according to claim 5, characterized in that: The two limiting holes four (522) are respectively plugged into the opposite ends of the two limiting rods one (54), and the two limiting rods one (54) are respectively sleeved with the two limiting holes three (510). The two limiting holes three (510) are respectively opened on the front and rear sides of the placement plate (51), and the opposite ends of the two limiting holes three (510) are respectively connected to the two slots (511).

7. The forestry tree seedling raising and transplanting device according to claim 6, characterized in that: The opposite ends of the two limiting rods (54) are respectively sleeved with the two springs (59), and the two ends of the two springs (59) are respectively fixedly connected with the opposite ends of the two limiting rods (54) and the front and rear sides of the placement plate (51).

8. The forestry tree seedling raising and transplanting device according to claim 5, characterized in that: The upper ends of the two support plates (56) are fixedly connected to the bottom surfaces of the two connecting frames (58), and two handles (57) are fixedly provided on the opposite sides of the two connecting frames (58). The opposite ends of the two connecting frames (58) are each provided with a screw hole (524) and two through holes (520).

9. The forestry tree seedling raising and transplanting device according to claim 8, characterized in that: The two screw holes (524) are respectively threadedly connected to the two screw rods (523), and the optical axes of the opposite ends of the two screw rods (523) are respectively rotatably connected to the middle parts of the opposite surfaces of the two clamps (519) through bearings. The four through holes (520) are respectively sleeved with four slide rods (521), and the four slide rods (521) are grouped in pairs and the opposite ends of the two groups of slide rods (521) are respectively fixedly connected to the opposite surfaces of the two clamps (519). The opposite surfaces of the two clamps (519) are both arc-shaped surfaces, and the opposite ends of the two screw rods (523) are fixedly provided with hand wheels.

10. The forestry tree seedling raising and transplanting device according to claim 8, characterized in that: The left and right ends of the rear side surface of the front connecting frame (58) are fixedly connected to the front ends of the two splicing plates (525), and the rear ends of the two splicing plates (525) are respectively plugged into the two splicing grooves (529). The two splicing grooves (529) are respectively opened at the left and right ends of the front side surface of the rear connecting frame (58). Each splicing plate (525) is provided with a sleeve hole (528). The upper and lower ends of each splicing groove (529) are also provided with a sleeve hole (528). The three corresponding sleeve holes (528) are sleeved with the same bolt (526), ​​and the bottom end of the bolt (526) is threadedly connected to the nut (527).

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