CN116998377A - Park square tree transplanting method - Google Patents

Abstract

The application belongs to the technical field of tree transplanting, and particularly relates to a park square tree transplanting method, which comprises the following steps: step one, arranging seedlings from a seedling source place, and timely lifting and packaging the seedlings; step two, placing a transplanting device for transferring seedlings in the park square at a position close to the border of the park square; transporting the seedlings to roads at the boundaries of the park squares, hanging the seedlings into the park squares by using a crane, and manually vertically fixing the seedlings in a transplanting device; step three, transporting the seedlings to the prepared tree holes, removing the net bags, lowering the upper frame to enable soil balls to be placed in the tree holes, and removing the straw ropes and filling soil; erecting a tree supporting frame to support the seedlings, releasing the seedlings from the trunk supporting device, and removing the transplanting device; fourth, the transplanted seedlings are maintained in the later period; the application avoids the use of large carrying equipment and large crane equipment in the park square to transplant seedlings, and can avoid the damage of the large equipment to the brick surface of the park square.

Description

Park square tree transplanting method

Technical Field

The application belongs to the technical field of tree transplanting, and particularly relates to a park square tree transplanting method.

Background

After the original greening trees in the park square die, new seedlings need to be transplanted for greening. Taking ginkgo tree greening as an example, ginkgo trees with the diameter of 20-30cm are generally adopted in park squares for transplanting, the height is 8-11 meters, the crown width is about 3-4 meters, the root ball is 6-10 times the diameter of the breast, the root ball is about 1.8 meters, and the root ball height is more than 0.95; the diameter of the soil hole is 1.5 times of the diameter of the sphere, and the depth of the soil hole is 10-15 cm beyond the thickness of the soil sphere, so that the diameter of the soil hole is about 2.7 m, and the depth of the soil hole is 1-1.1 m in view of surface beautification. During transplanting, the ginkgo tree is lifted to a tree pit by a crane to be neutral, and then filled with soil for planting. However, the park squares are constructed in a pedestrian structure, and the pavement is generally paved with bricks, such as granite pavement. Because the self weight and the width of the large crane are large, bricks can be damaged when the large crane enters a park square, and for a narrower pavement, the large crane equipment can crush a planted lawn on the pavement edge when entering, so that a tree transplanting method without using the large crane equipment in the park square on which the pavement is paved is needed.

Disclosure of Invention

The application aims to overcome the defects of the prior art and provide a method for transplanting trees in a park square, which can avoid the use of large crane equipment in the park square and avoid the large crane equipment from entering the park square to crush paved roads.

In order to achieve the above object, the present application provides the following technical solutions:

a park square tree transplanting method comprises the following steps:

arranging seedlings from a seedling source, lifting the seedlings in time, and packaging the seedlings, wherein soil balls of the seedlings are packaged by wet grass ropes;

step two, placing a transplanting device for transferring seedlings in the park square at a position close to the border of the park square; transporting the seedlings to roads at the boundaries of the park squares, hanging the seedlings into the park squares by using a crane, and manually vertically fixing the seedlings in a transplanting device; the transplanting device comprises a lower frame, an upper frame, a trunk supporting device and a net bag, wherein the bottom of the lower frame is provided with travelling wheels, the upper frame is arranged on the lower frame through a lifting device, the trunk supporting device is arranged on the upper frame, and the net bag is hung at the bottom of the upper frame; the trunk of the seedling is tightly held and supported by the trunk supporting device, and the soil ball of the seedling is lifted by the string bag; raising the upper frame and fixing the nursery stock;

step three, transporting the seedlings to the prepared tree pits, removing the net bags, lowering the upper frame to put the soil balls into the tree pits, carefully releasing the straw ropes, tamping the soil balls by preliminary soil covering, then tamping by soil filling layers, filling water while filling the soil when the soil covering reaches 1/3 of the depth of the plant soil balls, and pouring water for the first time to complete the soil filling process of the whole seedlings, wherein the soil covering layer is 2-5 cm higher than the planting land to construct a cofferdam with the height of 15-20 cm; erecting a tree support frame to support the transplanted seedling trunk, releasing the seedling from the trunk support device, and removing the transplanting device;

and fourthly, maintaining the transplanted seedlings in the later period.

Furthermore, 1% -3% of the transpiration inhibitor is sprayed on the whole transplanted nursery stock before the nursery stock starts to sprout, so that evaporation of water and nutrients of the nursery stock is reduced, physiological activities of plants are inhibited, and the plants are promoted to be in a semi-dormant state.

Furthermore, the whole lower frame and the whole upper frame are U-shaped, and the openings of the lower frame and the upper frame face towards the same direction; the trunk supporting device comprises a tree root supporting part and a tree middle supporting part, wherein the tree root supporting part is arranged in the U-shaped structure of the upper frame through a first bracket, and the tree middle supporting part is arranged right above the tree root supporting part through a second bracket fixed on the upper frame; the trunk supporting device and the tree root supporting device are split assembly type trunk clasping and fixing mechanisms.

Further, the trunk support device is structurally identical to the root support device; the trunk supporting device comprises a plurality of hoop separating pieces and flat belts which are used for winding all the hoop separating pieces, the whole hoop separating pieces are arc-shaped pieces, and the sum range of central angles corresponding to all the hoop separating pieces is 300-350 degrees; the outer side of the hoop separating piece is provided with a middle ear with a middle hole, the outer side surface of the middle ear far away from the U-shaped opening of the upper frame is connected with the upper end of the second bracket, and one hoop separating piece corresponding to the U-shaped opening of the upper frame is not connected with the second bracket; the outer sides of the two ends of the length of the hoop separating piece are provided with side lugs with horizontal through holes, and one end of the flat belt is provided with a buckle; when the trunk of the nursery stock is fixed, the other end of the flat belt sequentially penetrates through the side lugs and the middle ear of the hoop separating piece, and then the length is locked by the buckle.

Further, the trunk support device comprises 3 hoop separating pieces with a central angle ranging from 100 degrees to 115 degrees or 4 hoop separating pieces with a central angle ranging from 75 degrees to 87 degrees.

Further, a rotating shaft is vertically arranged on the middle ear on the hoop separating piece at two sides of the U-shaped opening of the upper frame, and the upper end of the second bracket fixed at two sides of the U-shaped opening of the upper frame is rotationally connected to the rotating shaft, so that the hoop separating piece at two sides of the U-shaped opening of the upper frame can horizontally rotate.

Further, the U-shaped opening part detachable of the upper frame is provided with an auxiliary beam, a third support and a fourth support are fixedly arranged on the auxiliary beam, one end of the third support is detachably fixed on the tree root supporting component, and the upper end of the fourth support is detachably fixed on the trunk supporting component.

Further, the upper end of the fourth support is provided with a socket, the middle ear of the fourth support is correspondingly provided with an inserting block matched with the socket, the inserting block is provided with a plurality of inner positioning holes, the peripheral wall of the socket is provided with an outer positioning hole, and the inserting block is inserted into the socket and then is locked at a position through a bolt piece penetrating through the inner positioning hole and the outer positioning hole.

Further, a top cylinder is fixed at the outer side of the middle ear corresponding to the fourth bracket, the top of the fourth bracket is horizontal and is provided with a push rod capable of horizontally moving, one end of the push rod is provided with a pushing device fixed at the top of the fourth bracket, and the pushing device drives the other end of the push rod to move relative to the fourth bracket and can prop into the cylinder bottom of the top cylinder.

Further, a plurality of rope rings are arranged on the surface of the lower frame, and the rope rings are used for penetrating and hanging a pull rope; a plurality of armrests are arranged on the periphery of the upper frame; the lifting device can at least move up the upper frame by 1.2m.

The beneficial effects of the application are as follows:

according to the application, the specially-made transplanting device is used in the park square to vertically move the pre-transplanted seedlings in the park square, so that the use of large carrying equipment and large crane equipment in the park square is avoided, and the damage of the large equipment to the brick surface of the park square can be avoided;

the transplanting device comprises a lower frame with travelling wheels and an upper frame which can be lifted relative to the lower frame, and the seedlings are fixed by a device on the upper frame, so that the device can be used for transferring the seedlings, and can be used for vertically placing the seedlings in tree pits and pulling out treated roots or soil balls of the seedlings from the tree pits.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:

fig. 1 is a schematic structural view of a transplanting device before an upper frame is not lifted in an embodiment of the present application.

Fig. 2 is a schematic structural view of a transplanting device with an upper frame lifted according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a transplanting device during transferring of loaded seedlings according to an embodiment of the application.

Fig. 4 is a schematic view of an assembly structure of an auxiliary beam according to an embodiment of the present application.

Fig. 5 is a schematic top view of an assembled structure of a push rod according to an embodiment of the present application.

Fig. 6 is a schematic structural view of a support member in a tree according to an embodiment of the present application.

In the figure, a lower frame 1, traveling wheels 11, rope rings 12, pull ropes 13 and cushion blocks 14; 2-an upper frame, 21-armrests, 22-hanging rings, 23-net bags, 24-a first bracket, 25-a second bracket and 26-a first reinforcing rib; 31-tree root supporting parts, 32-tree middle supporting parts, 33-hoop separating parts, 34-side lugs, 35-middle ear, 36-flat belts, 37-buckles, 38-inserting blocks and 39-rotating shafts; 41-cylinder body, 42-piston rod; 43-pushing device, 44-push rod, 45-positioning component and 46-top cylinder; 5-auxiliary beams, 51-fourth brackets, 52-third reinforcing ribs, 53-third brackets, 54-second reinforcing ribs, 55-auxiliary rings.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.

In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

The application will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

As shown in fig. 1 to 6, a method for transplanting trees in a park square comprises the following steps:

arranging seedlings from a seedling source, lifting the seedlings in time, and packaging the seedlings, wherein soil balls of the seedlings are packaged by wet grass ropes;

step two, placing a transplanting device for transferring seedlings in the park square at a position close to the border of the park square; the transplanting device comprises a lower frame 1 with travelling wheels 11 at the bottom, an upper frame 2 arranged on the lower frame 1 through a lifting device, a trunk supporting device arranged on the upper frame 2, and a net bag 23 hung at the bottom of the upper frame 2; the trunk of the seedling is tightly held and supported by the trunk supporting device, and the soil ball of the seedling is held up by the net bag 23; the transplanting device can be moved by small power equipment such as an electric tricycle, an electric vehicle or a manual traction and pushing mode, so that the transplanting device is environment-friendly; all the travelling wheels 11 are universal wheels or universal wheels are arranged on one side of the bottom of the frame, and directional wheels are arranged on the other sides; the travelling wheels 11 are preferentially rubber wheels, and geotechnical cloth, felt and the like can be paved on the travelling path to be used as pavement protection when the travelling wheels are pushed on the brick surface of the park square;

transporting the seedlings to roads at the boundaries of the park squares, hanging the seedlings into the park squares by using a crane, and manually vertically fixing the seedlings in a transplanting device lifted by the upper frame 2; fig. 2 and 3 show structural schematic diagrams of transplanting devices after seedlings are loaded;

step three, transporting the seedlings to the prepared tree holes, removing the net bags 23, lowering the upper frame 2 to enable the soil balls to be placed in the tree holes, at the moment, taking care of releasing the grass ropes, tamping the soil balls through preliminary soil covering, then filling soil for layered tamping, filling the soil while filling water when the soil covering reaches 1/3 of the depth of the plant soil balls, and pouring water for the first time to complete the soil filling process of the whole seedlings, wherein the soil covering layer is 2-5 cm higher than the planting land to construct a cofferdam 15-20 cm high; erecting a tree support frame to support the transplanted seedling trunk, releasing the seedling from the trunk support device, and removing the transplanting device;

fourth, the transplanted seedlings are maintained in the later period;

arranging special workers to maintain newly planted seedlings, and realizing seamless planting and maintenance;

after planting, fine shearing and shaping are carried out on the seedlings according to the whole, water needs to be poured along with planting, after the water is poured thoroughly, the surface is supported once, the surface can not be supported for multiple times, and the loosening of original soil balls is avoided; when new arbor fertilizes in time, enough water is ensured; for newly planted arbor, after root fixing water is sprayed, water is sprayed every day within 1 week: the arbor is soaked in water for 3-5 days; the water sprinkling pit is reserved for the newly planted arbor of 1-3 years, the soil loosening and the hilling are carried out for 1-2 times each year, and the water sprinkling pit is not reserved when the root of the arbor is pricked deep for more than 3 years; the water seepage layer is prepared while maintaining, so that repeated watering and moisture preservation in a high-temperature period are ensured, and no water accumulation is caused;

according to the application, the specially-made transplanting device is used in the park square to vertically move the pre-transplanted seedlings in the park square, so that the use of large carrying equipment and large crane equipment in the park square is avoided, and the damage of the large equipment to the brick surface of the park square can be avoided.

Further, 1% -3% of the transpiration inhibitor is sprayed on the whole transplanted nursery stock before the nursery stock starts to sprout, so that evaporation of water and nutrients of the nursery stock is reduced, physiological activities of plants are inhibited, and the plants are promoted to be in a semi-dormant state;

the ginkgo seedlings with the chest diameter of more than 20cm are expensive, the transportation time is reasonably managed when the ginkgo seedlings are transplanted, the time for shortening the miswork time as much as possible is reached, and the time from seedling lifting to planting is not suitable for more than 24 hours; if the seedlings need long-distance transportation, the soil balls are wrapped by wet grass; the big tree is obliquely placed toward the tail of the vehicle in the crown direction, and is padded with soft materials at the contact position of the tree and the vehicle side to prevent bark from being abraded; the plant should be transported to take care of the weather, and the seedling should be lifted in the wet and cloudy days, preferably in the evening, and then transported to the planting place after proper drug treatment; the transportation of the nursery stock is to select a shed frame and a vehicle capable of shading and keeping out wind; the seedlings are loaded in the truck and dried before being root and then are orderly arranged; if the transportation time exceeds 4 hours, preparing a cooling bag, and adopting measures such as water spraying, humidification and the like in the way;

the residual root treatment is needed for the tree pit after dead tree removal, the residual tree root can be killed by adopting a conventional boiling water root pouring method or manually planed, and then the soil is filled in the bottom of the tree pit by backfilling with the planting soil with the base fertilizer to ensure that the soil is fertile and loose.

As shown in fig. 1 to 6, the lower frame 1 and the upper frame 2 are U-shaped integrally, and the openings of the two are consistent, the trunk support device comprises a root support member 31 and a support member 32 in the tree, the root support member 31 is arranged inside the U-shaped structure of the upper frame 2 through a first bracket 24, the support member 32 in the tree is arranged right above the root support member 31 through a second bracket 25 fixed on the upper frame 2, the root support member 31 is used for clasping and fixing the bottom of the trunk, the support member 32 in the tree is arranged at a position of 1 m to 4 m above the trunk support member and used for clasping and fixing the middle of the trunk, so that the trunk is kept upright, and a protecting layer such as a straw rope and a rubber coiled material is wrapped at the clasping position of the trunk so as to prevent bark damage; the trunk supporting device and the tree root supporting device are split assembly type trunk clasping and fixing mechanisms;

when the tree is needed to be transplanted, the split assembly type trunk clasping and fixing mechanism is detached, the upper frame 2 is lifted upwards, and the net bag 23 is hung; then, a 25t vehicle-mounted crane is used for hanging the tree into a transplanting device, the trunk is manually straightened, and the trunk of the seedling is fixed by a trunk supporting device and a tree root supporting device; after the seedlings are transferred to the positions of the tree holes, the net bags 23 are removed, then the frame 2 is lowered until the soil balls of the seedlings reach the bottoms of the tree holes, soil is filled, the transplanted seedlings are supported by the tree support frame, one side of the tree support frame is reserved as an outlet, the U-shaped opening along the frame is withdrawn from the reserved outlet, and after the transplanting device is withdrawn from the tree holes, the periphery of the tree support frame is uniformly supported; if the ground around the tree pit is uneven, temporary leveling such as a wood board, a brick and the like can be used for ensuring that the tree trunk is kept vertical when the tree is planted, or the trunk is manually straightened after the tree root is planted at the bottom of the tree pit;

the application can also be used for pulling out dead tree roots in a park square, most of the dead tree is firstly dismembered and segmented, a trunk with the tree roots is left, the periphery of the tree roots can be dug by a hand-held gasoline tree mover, the connection between the tree roots and soil is destroyed, only the bottoms of the tree roots are left to be connected with the soil body at the moment, a movable transplanting device is used, the upper frame 2 is positioned at the lowest position, the tree roots are fixed by using the tree root supporting part 31 and the supporting part 32 in the tree, then an oil cylinder is started, the upper frame 2 is moved upwards, the tree roots are pulled upwards from tree holes, the tree roots at the bottoms are separated from the soil, if the tree roots at the bottoms are not pulled out, the tree roots at the bottoms can be manually assisted to be cut, then the tree roots are slightly covered by geotextiles at the bottoms of the tree roots, the tree roots on the road surface are prevented from leaking, and the manual push-pull transplanting device moves the pulled tree roots to a collection site and is unloaded.

Specifically, as shown in fig. 1 to 6, the trunk support device has the same structure as the root support device; the trunk supporting device comprises a plurality of hoop separating members 33 and flat belts 36 for winding all the hoop separating members 33, the hoop separating members 33 are integrally arc-shaped sheets, the total range of corresponding central angles of all the hoop separating members 33 is 300-350 degrees, so that the hoop separating members 33 cannot be spliced into a round shape, and the hoop separating members 33 can be slightly sprung, thereby being capable of adapting to trunks with more diameters; the outer side of the hoop separating member 33 is provided with a middle ear 35 with a middle hole, the outer side surface of the middle ear 35 far away from the U-shaped opening of the upper frame 2 is connected with the upper end of the second bracket 25, and one hoop separating member 33 corresponding to the U-shaped opening of the upper frame 2 is not connected with the second bracket 25; the outer sides of the two ends of the length of the hoop separating member 33 are provided with side lugs 34 with horizontal through holes, and one end of the flat belt 36 is provided with a buckle 37; when the trunk of the nursery stock is fixed, the other end of the flat belt 36 sequentially passes through the side lug 34 and the middle ear 35 of the hoop dividing piece 33 and then is locked by the belt buckle 37; preferably, the trunk supporting device comprises 3 hoop separating members 33 with a central angle ranging from 100 degrees to 115 degrees or 4 hoop separating members 33 with a central angle ranging from 75 degrees to 87 degrees, and inner pads such as rubber pads with the thickness of at least 1cm are bonded on the inner sides of the hoop separating members 33, so that friction is increased, trunk shapes are matched, and bark damage is prevented.

In a preferred embodiment, as shown in fig. 5 and 6, a rotating shaft 39 is vertically disposed on the middle ear 35 of the hoop member 33 disposed on both sides of the U-shaped opening of the upper frame 2, and the upper ends of the second brackets 25 fixed on both sides of the U-shaped opening of the upper frame 2 are rotatably connected to the rotating shaft 39, so that the hoop members 33 on both sides of the U-shaped opening of the upper frame 2 can horizontally rotate; when the trunk enters the tree root supporting member 31 or the supporting member 32 in the tree from the side, the hoop separating members 33 positioned at the two sides of the U-shaped opening can horizontally rotate, the maximum distance between the two hoop separating members is increased, the trunk is convenient to enter, after the trunk enters, the hoop separating members 33 at the two sides of the U-shaped opening naturally reset along with the cylindrical shape of the trunk, and then all the hoop separating members 33 are tightly tied by the flat belts 36.

In a preferred embodiment, as shown in fig. 4 and 5, an auxiliary beam 5 is detachably disposed at the U-shaped opening of the upper frame 2, a third bracket 53 and a fourth bracket 51 are fixedly disposed on the auxiliary beam 5, one end of the third bracket 53 is detachably fixed on the root supporting member 31, the upper end of the fourth bracket 51 is detachably fixed on the trunk supporting member, and the third bracket 53 and the fourth bracket 51 can abut against the trunk through the collar separating member 33 to clamp the trunk in cooperation with the opposite collar separating member 33, thereby achieving vertical positioning and clamping effects; the third stand 53 and the fourth stand 51 are detachably connected to the hoop member 33 in a plurality of ways, and two specific connection ways will be described below by taking the cooperation of the third stand 53 and the support member 32 in the tree as an example: as shown in fig. 6, in one embodiment, a socket is provided at the upper end of the fourth bracket 51, an insert block 38 that is matched with the socket is provided on the middle ear 35 corresponding to the fourth bracket 51, a plurality of inner positioning holes are provided on the insert block 38, the positioning holes are arranged in a plurality of rows along the horizontal direction, an outer positioning hole is provided on the peripheral wall of the socket, the insert block 38 is inserted into the socket, and the positions of the positioning holes locked by the insert pin members penetrating through the inner positioning holes and the outer positioning holes can be adjusted according to the thickness of the trunk because the positioning holes are in a plurality of rows; in another embodiment, as shown in fig. 5, a top cylinder 46 is fixed on the outer side of the middle ear 35 corresponding to the fourth bracket 51, the top of the fourth bracket 51 is horizontal and is provided with a push rod 44 capable of moving horizontally, one end of the push rod 44 is provided with a pushing device 43 fixed on the top of the fourth bracket 51, and the pushing device 43 drives the other end of the push rod 44 to move relative to the fourth bracket 51 and can prop into the cylinder bottom of the top cylinder 46; the pushing device 43 may be a small oil cylinder or other linear telescopic mechanism fixed on the top of the fourth bracket 51, the top of the fourth component is provided with a positioning component 45, the positioning component 45 may be a slideway or a sliding sleeve, the push rod 44 is slidably connected with the positioning component 45, so as to realize horizontal limit of the push rod 44 and prevent the positioning component 45 from being separated from the fourth bracket 51; the positioning member 45 has a larger width or is provided in plurality, so as to ensure that the push rod 44 always has a larger contact area with the positioning member 45, increase the supporting force on the positioning member 45, and the pushing device 43 only pushes the push rod 44 horizontally and does not bear the supporting function of the trunk, thus being free from receiving radial force and avoiding the damage of the pushing device 43.

As shown in fig. 1 to 5, the surface of the lower frame 1 is provided with a plurality of rope rings 12, the rope rings 12 are used for penetrating and hanging the pull ropes 13, the periphery of the upper frame 2 is provided with a plurality of handrails 21, if manpower is adopted, workers can pull the transfer device by the pull ropes 13 in front, and meanwhile, the workers on the side surface of the transfer device push the transfer device through the handrails 21;

in the embodiment, the lifting stroke of the lifting device is designed according to the height of the pre-transplanted seedling soil balls with the breast diameter of 20-30cm, and the sizes of the upper frame 2 and the lower frame 1 are designed according to the diameter of the pre-transplanted seedling soil balls; the lifting device in the prior art is adopted, for example, an electric hoist with the assistance of a guide rod can be adopted for lifting, an oil cylinder is adopted for lifting, in the embodiment, an oil cylinder body 41 is preferably adopted for fixing on the upper frame 2, a piston rod 42 of the oil cylinder downwards penetrates through the upper frame 2 and is fixed on the lower frame 1, the oil cylinder is arranged at four corners of the upper frame 2, the stroke of the oil cylinder is selected according to the height of soil balls, and the stroke of the oil cylinder is more than 1.2m, so that the soil balls of seedlings can be lifted off the ground when the seedlings are transported, and the soil balls can be lowered to the bottom of soil holes when the seedlings are planted; when in use, the movable high-pressure pump station is matched to provide power for the expansion and contraction of the oil cylinder;

an auxiliary ring 55 adapted to the hanging ring 22 is arranged on the inner side or the lower side of the auxiliary beam 5, at least two slip rings are arranged on each side of the upper frame 2, a net bag 23 is hung on the hanging ring 22 and the auxiliary ring 55 when in use, soil balls for holding the seedlings are hung on the net bag 23, the net bag 23 adopts a steel wire net bag 23, a cotton rope net bag 23 and the like, the bearing capacity is high, and the weight of the seedlings with the weight of about 2t can be held (the weight of the seedlings with the chest diameter of less than 30cm for general transplanting is generally less than 2 tons); for reinforcing the support, a first reinforcing rib 26 is arranged at the corner of the second bracket 25, a second reinforcing rib 54 is arranged at the corner of the third bracket 53, the outer end of the third bracket 53 is fixed on the auxiliary beam 5 and/or the third bracket 53, and a third reinforcing rib 52 is arranged at the joint of the third bracket 53; the upper surface of lower frame 1 still is provided with cushion 14, cushion 14 bullet is little, prevents that upper frame 2 and lower frame 1 direct collision from damaging, cushion 14 can adopt rubber block, polyurethane block, wood block, plastic tubing etc. commonly used anticollision material.

The transplanting device comprises a lower frame 1 with travelling wheels 11 and an upper frame 2 which can be lifted relative to the lower frame 1, and the seedlings are fixed by a device on the upper frame 2, so that the device can be used for transferring the seedlings, vertically lowering the seedlings in tree pits and pulling out treated roots or soil balls of the seedlings from the tree pits, has a simple structure, and can avoid damage to brick surfaces of parks and squares compared with the fact that the self weight of large crane equipment is fine.

It is to be understood that the above description is intended to be illustrative, and that the embodiments of the present application are not limited thereto. The foregoing description of the preferred embodiments of the application is not intended to limit the application to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application as defined by the appended claims.

Claims (10)

1. The park square tree transplanting method is characterized by comprising the following steps of:

arranging seedlings from a seedling source, lifting the seedlings in time, and packaging the seedlings, wherein soil balls of the seedlings are packaged by wet grass ropes;

step two, placing a transplanting device for transferring seedlings in the park square at a position close to the border of the park square; transporting the seedlings to roads at the boundaries of the park squares, hanging the seedlings into the park squares by using a crane, and manually vertically fixing the seedlings in a transplanting device; the transplanting device comprises a lower frame (1) with travelling wheels (11) arranged at the bottom, an upper frame (2) arranged on the lower frame (1) through a lifting device, a trunk supporting device arranged on the upper frame (2) and a string bag (23) hung at the bottom of the upper frame (2); the trunk of the seedling is tightly held and supported by the trunk supporting device, and the soil ball of the seedling is held up by the net bag (23); after the upper frame (2) is lifted, fixing the nursery stock;

step three, transporting the seedlings to the prepared tree pits, removing the net bags (23), lowering the upper frame (2) to put the soil balls into the tree pits, carefully releasing the straw ropes, initially covering the soil balls, tamping the soil balls in layers, filling the soil and pouring water for the first time when the covered soil reaches 1/3 of the depth of the plant soil balls, and building a cofferdam with the height of 15-20 cm by using the soil covering layer 2-5 cm higher than the planting land; erecting a tree support frame to support the transplanted seedling trunk, releasing the seedling from the trunk support device, and removing the transplanting device;

and fourthly, maintaining the transplanted seedlings in the later period.

2. The park square tree transplanting method according to claim 1, wherein: the whole transplanted seedling is sprayed with 1-3% transpiration inhibitor before seedling lifting, so that evaporation of water and nutrients of the seedling is reduced, physiological activities of plants are inhibited, and the plants are promoted to be in a semi-dormant state.

3. The park square tree transplanting method according to claim 1, wherein: the lower frame (1) and the upper frame (2) are integrally U-shaped, and the openings of the lower frame and the upper frame are consistent in orientation; the trunk supporting device comprises a tree root supporting member (31) and a tree middle supporting member (32), wherein the tree root supporting member (31) is arranged inside the U-shaped structure of the upper frame (2) through a first bracket (24), and the tree middle supporting member (32) is arranged right above the tree root supporting member (31) through a second bracket (25) fixed on the upper frame (2); the trunk supporting device and the tree root supporting device are split assembly type trunk clasping and fixing mechanisms.

4. A park square tree transplanting method according to claim 3, wherein: the trunk supporting device and the tree root supporting device have the same structure; the trunk supporting device comprises a plurality of hoop separating pieces (33) and flat belts (36) for winding all the hoop separating pieces (33), the hoop separating pieces (33) are integrally arc-shaped pieces, and the sum range of corresponding central angles of all the hoop separating pieces (33) is 300-350 degrees; the outer side of the hoop separating piece (33) is provided with a middle ear (35) with a middle hole, the outer side surface of the middle ear (35) far away from the U-shaped opening of the upper frame (2) is connected with the upper end of the second bracket (25), and one hoop separating piece (33) corresponding to the U-shaped opening of the upper frame (2) is not connected with the second bracket (25); the outer sides of the two ends of the length of the hoop separating piece (33) are provided with side lugs (34) with horizontal through holes, and one end of the flat belt (36) is provided with a buckle (37); when the trunk of the nursery stock is fixed, the other end of the flat belt (36) sequentially passes through the side lug (34) and the middle ear (35) of the hoop separating piece (33) and then is locked by the buckle (37).

5. The park square tree transplanting method according to claim 4, wherein: the trunk support device comprises 3 hoop separating pieces (33) with the central angle ranging from 100 degrees to 115 degrees or 4 hoop separating pieces (33) with the central angle ranging from 75 degrees to 87 degrees.

6. The park square tree transplanting method according to claim 5, wherein: the upper part of the middle ear (35) on the hoop separating pieces (33) arranged on two sides of the U-shaped opening of the upper frame (2) is vertically provided with a rotating shaft (39), and the upper ends of the second brackets (25) fixed on two sides of the U-shaped opening of the upper frame (2) are rotatably connected to the rotating shaft (39), so that the hoop separating pieces (33) on two sides of the U-shaped opening of the upper frame (2) can horizontally rotate.

7. The park square tree transplanting method according to claim 5, wherein: the tree root support device is characterized in that an auxiliary beam (5) is detachably arranged at the U-shaped opening of the upper frame (2), a third support (53) and a fourth support (51) are fixedly arranged on the auxiliary beam (5), one end of the third support (53) is detachably fixed on the tree root support component (31), and the upper end of the fourth support (51) is detachably fixed on the trunk support component.

8. The park square tree transplanting method according to claim 7, wherein: the upper end of fourth support (51) is provided with the socket, be provided with on middle ear (35) corresponding fourth support (51) with socket complex inserted block (38), be provided with a plurality of interior locating holes on inserted block (38), be provided with outer locating hole on the socket perisporium, inserted block (38) insert behind the socket through run through interior locating hole and outer locating hole's bolt piece locking position.

9. The park square tree transplanting method according to claim 7, wherein: a top cylinder (46) is fixed on the outer side of the middle ear (35) corresponding to the fourth bracket (51), the top of the fourth bracket (51) is horizontal and is provided with a push rod (44) capable of horizontally moving, one end of the push rod (44) is provided with a pushing device (43) fixed on the top of the fourth bracket (51), and the pushing device (43) drives the other end of the push rod (44) to move relative to the fourth bracket (51) and can prop into the cylinder bottom of the top cylinder (46).

10. The park square tree transplanting method according to claim 1, wherein: the surface of the lower frame (1) is provided with a plurality of rope rings (12), and the rope rings (12) are used for threading a pull rope (13); the periphery of the upper frame (2) is provided with a plurality of armrests (21); the lifting device can at least move up the upper frame (2) by 1.2m.