CN113181607B

CN113181607B - View ginkgo tree is pruned and is used climbing device

Info

Publication number: CN113181607B
Application number: CN202110301393.XA
Authority: CN
Inventors: 宋昱萱; 贾文婷; 曹福亮
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-05-10
Anticipated expiration: 2041-03-22
Also published as: CN113181607A

Abstract

The invention relates to a climbing device for pruning a landscape ginkgo tree, which comprises a hand climbing component, a foot climbing component and a waist fixing component, wherein the hand climbing component and the foot climbing component are respectively connected with the waist fixing component through connecting belts; the hand climbing assembly and the foot climbing assembly are identical in structure and are symmetrically arranged in two, the end part of the hand climbing assembly is fixed with a handle, the end part of the foot climbing assembly is fixed with a pedal, the two hand climbing assemblies and the two foot climbing assemblies are staggered to encircle the ginkgo trunk, and the perimeter of the ginkgo trunk encircled by the hand climbing assembly and the foot climbing assembly is adjusted by the adjusting assembly to match the ginkgo trunks with different diameters; all link into an integrated entity through buckle subassembly between two foot climbing subassemblies and between two foot climbing subassemblies. The climbing assemblies can be connected into a whole through the buckle assemblies, so that both hands are liberated, the climbing assemblies can be conveniently trimmed and adjusted, the climbing assemblies can be matched with ginkgo trunks with different diameters, and climbing is stable.

Description

View ginkgo tree is pruned and is used climbing device

Technical Field

The invention belongs to the technical field of climbing devices, and particularly relates to a climbing device for pruning landscape ginkgo trees.

Background

The ginkgo tree has slow growth, long service life and high ornamental, economic and medicinal value. The pruning tools such as the handheld electric saw of staff usually prunes the branch of ginkgo tree, at this in-process, generally uses the climbing device to carry out the ginkgo tree climbing.

The existing climbing device is generally a climbing foot fastener and is commonly used for climbing telegraph poles, trees and the like, the climbing structure comprises a pedal disc, a sleeve and an arc-shaped fastener body, feet are fixed on the pedal disc by people, the trees/telegraph poles are half-embraced by the arc-shaped foot fastener, and the friction between the trees/telegraph poles is increased by saw teeth or friction pads on the inner arc surface of the fastener body, so that force is conveniently applied to climb up and down; for trees/telegraph poles with different thicknesses, one end of the arc-shaped buckle body is movably connected with the pedal disc through a sleeve, so that the extending length of the buckle body is adjusted, and the tree/telegraph pole with different thicknesses can be conveniently adapted;

however, the climbing climbers have the following defects: in the climbing process, the tree diameter diminishes gradually, in order to guarantee the cooperation degree between climbers and the tree, needs the adjustment arc to detain body extension length, though arc detains body one end and passes through sleeve pipe and pedal dish swing joint, and is more convenient during the regulation, but climbing from top to bottom and when meetting the crotch climbing, the arc is detained and is also taken place the slip easily between body and the sleeve pipe, very easily takes place danger.

Disclosure of Invention

The invention aims to solve the problems and provide the climbing device for pruning the landscape ginkgo tree, which is simple in structure and reasonable in design.

The invention realizes the purpose through the following technical scheme:

a climbing device for pruning a landscape ginkgo tree comprises a hand climbing component, a foot climbing component and a waist fixing component, wherein the hand climbing component and the foot climbing component are respectively connected with the waist fixing component through connecting belts;

the hand climbing assembly and the foot climbing assembly are identical in structure and are symmetrically arranged in two, the end part of the hand climbing assembly is fixed with a handle, the end part of the foot climbing assembly is fixed with a pedal, the two hand climbing assemblies and the two foot climbing assemblies are staggered to encircle the ginkgo trunk, and the perimeter of the ginkgo trunk encircled by the hand climbing assembly and the foot climbing assembly is adjusted by the adjusting assembly to match the ginkgo trunks with different diameters;

all link into an integrated entity through buckle subassembly between two foot climbing subassemblies and between two foot climbing subassemblies.

As a further optimization scheme of the invention, each of the hand climbing assembly and the foot climbing assembly comprises a connecting rod, a sleeve, a side buckle body, a linear buckle body and an arc buckle body, wherein one end of the linear buckle body is fixedly connected with the arc buckle body, the other end of the linear buckle body is slidably sleeved in the sleeve, the connecting rod is fixed at the front side of the sleeve and is perpendicular to the sleeve, and one side wall of the connecting rod, which is close to the arc buckle body, is fixedly connected with the side buckle body.

As a further optimization scheme of the invention, rubber pads are fixedly arranged on the inner side walls of the side buckle bodies and the arc buckle bodies, and the rubber pads are arranged in a zigzag manner, so that the friction between the rubber pads and the trunk can be greatly increased, and the climbing is faster, more stable and safer.

As a further optimization scheme of the invention, the adjusting assembly comprises a cross rod, a top rod, a limiting rod and a lifting mechanism, a cavity is arranged in the linear buckle body, a plurality of through holes which are uniformly distributed in a straight line are arranged at the top end of the cavity in a penetrating manner, a plurality of through holes which are uniformly distributed in a straight line are arranged on the upper surface of the sleeve in a penetrating manner, the cross rod is arranged in the cavity and driven by the lifting mechanism to do vertical linear motion, the top rod is arranged in a plurality of through holes which are uniformly fixed at the top of the cross rod in a straight line, the top end of the top rod penetrates through the through holes and extends into the through holes, and the limiting rod penetrates through two sides of the cross rod and is in sliding connection with the cross rod, so that the cross rod moves stably up and down without deflection, even if the top rod is smoothly matched with the through holes and the jacks.

As a further optimization scheme of the invention, the lifting mechanism comprises a rotating handle, a threaded rod and a bearing, the threaded rod is fixed at the bottom end of the rotating handle, the bottom end of the threaded rod penetrates through the upper surface of the linear buckle body and is in threaded connection with the linear buckle body, the bottom end of the threaded rod extends into the cavity and is connected with the bearing, the bearing is fixedly connected with one end of the cross rod, the rotating handle is only required to be rotated, the linear buckle body is pushed by the rotating handle to adjust the distance between the arc buckle body and the side buckle body, and the operation is simple and rapid.

As a further optimized scheme of the invention, the buckle assembly comprises an inserted link and an insertion hole which are respectively arranged on the two hand climbing assemblies/the two foot climbing assemblies, the inserted link is fixedly connected with the upper surface of the linear buckle body, and the insertion hole penetrates through the linear buckle body.

As a further optimization scheme of the invention, the inserted link is set to be linear or hook-shaped, the linear inserted link is fast and smooth when being sleeved with the jack, the connection stability of the hook-shaped inserted link and the jack is higher, and the inserted link cannot be easily separated in the transverse direction and the longitudinal direction.

As a further optimized scheme of the invention, the waist fixing component comprises an elastic semi-ring plate, an elastic cushion and fixing belts, the elastic semi-ring plate is worn on the waist, two ends of the elastic semi-ring plate are fixed on the waist through the fixing belts, the two fixing belts are bound or bonded by using a magic tape, the elastic cushion is fixedly arranged on the inner side wall of the elastic semi-ring plate, the elastic semi-ring plate is made of polypropylene plastics and has certain elasticity, the elastic cushion can be attached to the waist, and the elastic cushion is made of rubber or sponge, so that the waist is protected and the elastic semi-ring plate is comfortable to wear.

As a further optimization scheme of the invention, the outer side wall of the elastic semi-ring plate is provided with a chute, two ends of the chute extend to two end faces of the elastic semi-ring plate to form an opening, the section of the chute is set to be T-shaped, a sliding block is in sliding fit in the chute, a hook is fixedly arranged on the sliding block and used for hooking the electric saw or the trimming scissors, and the hook slides in the chute through the sliding block, so that the electric saw or the trimming scissors can be driven to move, and the electric saw or the trimming scissors can be conveniently climbed and taken by two hands.

The invention has the beneficial effects that:

1) according to the invention, the hand climbing component, the foot climbing component and the waist fixing component are fixed into a whole through the connecting belt, so that the danger caused by high-altitude falling of the climbing component can be avoided, repeated climbing for picking up the climbing component can be avoided, and the working strength is increased;

2) according to the invention, the two hand climbing assemblies and the two foot climbing assemblies can be connected into a whole through the buckle assemblies, so that two hands are liberated, the whole person can be stably fixed on the vertical rod, the two hands can be conveniently trimmed at the moment, the climbing assemblies can be adjusted by operating the adjusting assemblies to be matched with ginkgo trunks with different diameters, and the operation is very safe and convenient;

3) when the distance between the arc-shaped buckle body and the side buckle body is adjusted through the adjusting assembly, only the rotating handle needs to be rotated and the linear buckle body is pushed by the rotating handle to adjust the distance, so that the climbing device is simple and quick to operate, is convenient to operate in the climbing process, and reduces the safety risk during adjustment;

4) according to the invention, the hook is arranged on the waist fixing component, the electric saw or the trimming scissors can be hung on the hook, and the hook slides in the sliding groove through the sliding block, so that the electric saw or the trimming scissors can be driven to move, the climbing and the two-hand taking use are convenient, the operation is convenient, and the danger generated by taking, fixing the electric saw or the trimming scissors is reduced.

Drawings

FIG. 1 is a schematic view of a hand climbing assembly of the present invention coupled to a lumbar fixation assembly;

FIG. 2 is a schematic view of the foot climbing assembly of the present invention in connection with a lumbar fixation assembly;

figure 3 is a schematic diagram of a foot climbing assembly of the present invention with linear plugs.

FIG. 4 is a schematic diagram of a foot climbing assembly of the present invention with hook-type bayonet;

FIG. 5 is a schematic view of a partial cross-sectional configuration of a ferrule and linear clasp body of the present invention;

figure 6 is a cross-sectional view of the waist attachment assembly of the present invention.

Figure 7 is a front view of the lumbar fixation assembly of the present invention.

In the figure: 1. a hand climbing assembly; 2. a foot climbing assembly; 3. a waist securing assembly; 31. a resilient semi-annular plate; 32. an elastic pad; 33. fixing belts; 4. a connecting belt; 5. a handle; 6. pedaling; 7. an adjustment assembly; 71. a cross bar; 72. a top rod; 73. a limiting rod; 74. a lifting mechanism; 741. rotating the handle; 742. a threaded rod; 743. a bearing; 8. a buckle assembly; 81. inserting a rod; 82. a jack; 9. a connecting rod; 10. a sleeve; 11. a side buckle body; 12. a linear buckle body; 13. an arc-shaped buckle body; 14. perforating; 15. a through hole; 16. a chute; 17. a slider; 18. and (4) hanging hooks.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1-4, the climbing device for pruning the landscape ginkgo tree comprises a hand climbing assembly 1, a foot climbing assembly 2 and a waist fixing assembly 3, wherein the hand climbing assembly 1 and the foot climbing assembly 2 are respectively connected with the waist fixing assembly 3 through a connecting belt 4;

the hand climbing assembly 1 and the foot climbing assembly 2 are identical in structure and symmetrically arranged, a handle 5 is fixed at the end of the hand climbing assembly 1, a pedal 6 is fixed at the end of the foot climbing assembly 2, the two hand climbing assemblies 1 and the two foot climbing assemblies 2 are used for alternately surrounding a ginkgo trunk, and the perimeter of the ginkgo trunk surrounded by the hand climbing assembly 1 and the foot climbing assembly 2 is adjusted by an adjusting assembly 7 so as to match the ginkgo trunks with different diameters;

all link into an integrated entity through buckle subassembly 8 between two hand climbing subassemblies 1 and between two foot climbing subassemblies 2.

Further, hand climbing subassembly 1 and foot climbing subassembly 2 all include connecting rod 9, sleeve pipe 10, the side detains body 11, the straight line detains body 12 and the arc detains body 13, the straight line is detained body 12 one end and the arc and is detained body 13 fixed connection, the straight line is detained body 12 other end sliding sleeve and is located in the sleeve pipe 10, connecting rod 9 is fixed in sleeve pipe 10 front side and is set up perpendicularly with sleeve pipe 10, and connecting rod 9 is close to the arc and detains a lateral wall of body 13 and side knot body 11 fixed connection.

Furthermore, rubber pads are fixedly arranged on the inner side walls of the side buckle body 11 and the arc buckle body 13, and the rubber pads are arranged in a sawtooth shape.

The implementation mode is specifically as follows: when the landscape ginkgo tree is pruned, the waist fixing component 3 is worn on the waist for fixing, then two hands hold the two hand climbing components 1 through the handles 5, two feet are fixed with the two foot climbing components 2 through the pedals 6, and the two hand climbing components 1 and the two foot climbing components 2 are respectively and fixedly connected with the waist fixing component 3 through the connecting belt 4, so that the hand climbing components 1 and the foot climbing components 2 cannot easily fall from the high altitude in the whole climbing process, and the use is convenient;

when the ginkgo tree is specifically climbed, two hands drive two hand climbing assemblies 1 to be alternatively embraced on a ginkgo tree trunk through handles 5, two feet drive two foot climbing assemblies 2 to be alternatively embraced on the ginkgo tree trunk through pedals 6, the hand climbing assemblies 1 and the foot climbing assemblies 2 are identical in structure and are half-embraced by a C-shaped buckle body formed by a side buckle body 11, a linear buckle body 12 and an arc buckle body 13, and the arrangement of a rubber pad can greatly increase the friction between the rubber pad and the tree trunk, so that the climbing is faster, more stable and safer;

when encountering a branch, the two hand climbing components 1 and the two foot climbing components 2 are alternately encircled on the ginkgo tree trunk, so that the ginkgo tree trunk can easily cross the branch and continuously climb upwards;

the diameter of the trunk is smaller and smaller in the climbing process, the position of the linear buckle body 12 in the sleeve 10 can be adjusted through the adjusting component 7 at the moment, the adjustment of the distance between the arc buckle body 13 and the side buckle body 11 is realized, namely, the girth of the trunk of the ginkgo can be encircled by the straight buckle body to match the trunks of the ginkgo with different diameters, before the adjustment, the two hand climbing components 1 and the two foot climbing components 2 can be connected into a whole through the buckle components 8, so that two hands can be released, the whole person can be stably fixed on a vertical rod, the adjusting component 7 can be operated by two hands to realize the adjustment of the C-shaped buckle bodies on the hand climbing components 1 and the foot climbing components 2, the adjustment is suitable for the trunks of the ginkgo with different diameters, the phenomenon that the inclination angle of the C-shaped buckle body is too large when the C-shaped buckle body and the trunk are climbed due to the overlarge gap between the C-shaped buckle body and the trunk is avoided, and the connection between the hands, the feet and the C-shaped buckle body is unstable, the hand climbing component 1 and the foot climbing component 2 are easy to fall off, and the climbing comfort and safety are also influenced;

in addition also can link together between two hand climbing subassemblies 1 and two foot climbing subassemblies 2 through buckle subassembly 8 when the branch is pruned, both hands are liberated and can be relieved stable branch pruning work of carrying on.

As shown in fig. 5, the adjusting assembly 7 includes a cross rod 71, a top rod 72, a limiting rod 73, and a lifting mechanism 74, the inside cavity that is equipped with of the straight line buckle body 12, the cavity top is run through and is seted up a plurality of perforation 14 that just are a font evenly distributed, the through-hole 15 that sets up a plurality of and be a font evenly distributed is run through to the sleeve pipe 10 upper surface, the cross rod 71 sets up in the cavity and is linear motion about being driven by the lifting mechanism 74, the top rod 72 sets up to a plurality ofly and is a font evenly fixed and sets up in cross rod 71 top, and the top rod 72 top is run through perforation 14 and is extended to in through-hole 15, the limiting rod 73 run through cross rod 71 both sides and with cross rod 71 sliding connection.

Further, the lifting mechanism 74 includes a rotating handle 741, a threaded rod 742 and a bearing 743, the threaded rod 742 is fixed to a bottom end of the rotating handle 741, a bottom end of the threaded rod 742 penetrates through an upper surface of the linear buckle body 12 and is in threaded connection with the linear buckle body 12, a bottom end of the threaded rod 742 extends into the cavity and is connected with the bearing 743, and the bearing 743 is fixedly connected with one end of the cross bar 71.

The implementation mode is specifically as follows: when the position of the linear buckle body 12 in the sleeve 10 is adjusted by the adjusting component 7, specifically, the rotating handle 741 is rotated to drive the threaded rod 742 to rotate and be in threaded connection with the linear buckle body 12, at this time, the rotating handle 741 and the threaded rod 742 drive the bottom bearing 743 to move up and down, the bearing 743 drives the cross rod 71 and the ejector rod 72 to move up and down, the cross rod 71 is limited by the limiting rod 73 to be positioned, the ejector rod 72 moves up and down to realize sliding fit between the through hole 14 and the through hole 15, when the ejector rod 72 moves down and is separated from the through hole 15, the linear buckle body 12 can slide in the sleeve 10 and is adjusted to a proper position, namely, the ejector rod 72 corresponds to the corresponding through hole 14 and the through hole 15, at this time, the ejector rod 72 is moved up to be inserted into the through hole 15, the linear buckle body 12 is connected with the sleeve 10, so as to realize the position adjustment of the linear buckle body 12, namely, the adjustment of the distance between the arc buckle body 13 and the side buckle body 11 is realized, the girth of the ginkgo tree trunk surrounded by the ginkgo tree trunk is realized so as to match the ginkgo tree trunks with different diameters;

in the whole operation process, only the rotating handle 741 needs to be rotated, and the linear buckle body 12 is pushed by the rotating handle 741 to adjust the distance, so that the operation is simple and rapid, and the operation is convenient in the climbing process.

As shown in fig. 3-4, the buckle assembly 8 includes an insertion rod 81 and an insertion hole 82 respectively disposed on the two

foot climbing assemblies

1 and 2, the insertion rod 81 is fixedly connected to the upper surface of the linear buckle body 12, and the insertion hole 82 penetrates through the linear buckle body 12.

Further, the insert rod 81 is provided in a linear type or a hook type.

The implementation mode specifically comprises the following steps: in order to facilitate the operation of the adjusting assembly 7, when the two hand climbing assemblies 1/the two foot climbing assemblies 2 are connected, the inserting rod 81 on one linear buckle body 12 of the two hand climbing assemblies 1/the two foot climbing assemblies 2 can be inserted into the inserting hole 82 on the other linear buckle body 12, so that the two staggered climbing assemblies are connected into a whole, and the connection in the vertical direction enables the connection between the two staggered climbing assemblies to be more stable;

in addition, the inserting rod 81 can be arranged in a linear type, so that the inserting hole 82 and the inserting rod 81 are sleeved quickly and smoothly, and the operation is more convenient; when the inserting rod 81 is of a hook type, the inserting hole 82 is sleeved in the hook groove of the inserting rod 81, the inserting hole 82 and the inserting rod 81 cannot be easily separated in the transverse direction and the longitudinal direction, and the connection stability is high.

As shown in fig. 6-7, the waist fixing component 3 includes an elastic semi-ring plate 31, an elastic pad 32, and fixing bands 33, the elastic semi-ring plate 31 is worn on the waist and both ends are fixed on the waist through the fixing bands 33, the two fixing bands 33 are bound or bonded by velcro, the elastic pad 32 is fixedly disposed on the inner side wall of the elastic semi-ring plate 31, the elastic semi-ring plate 31 is made of polypropylene plastic, and has certain elasticity to be able to fit the waist, the elastic pad 32 is made of rubber or sponge to protect the waist and make the elastic semi-ring plate 31 comfortable to wear.

Furthermore, the outer side wall of the elastic semi-ring plate 31 is provided with a sliding groove 16, two ends of the sliding groove 16 extend to two end faces of the elastic semi-ring plate 31 to form openings, the cross section of the sliding groove 16 is T-shaped, a sliding block 17 is arranged in the sliding groove 16 in a sliding fit mode, a hook 18 is fixedly arranged on the sliding block 17, and the hook 18 is used for hooking an electric saw or trimming scissors.

The implementation mode is specifically as follows: when the waist fixing component 3 is used, the elastic semi-ring plate 31 is buckled on the back waist, the elastic cushion 32 protects the back waist and can be attached to different waist lengths, then the elastic semi-ring plate 31 is fixed on the waist through the fixing belts 33 at the two ends, and the two fixing belts 33 are bound or bonded by a magic tape, so that the connection and the disassembly are convenient;

in the climbing pruning process, need carry the electric saw or prune the scissors, the electric saw or prune the scissors and can hang on couple 18 on slider 17 this moment, slider 17 can slide in spout 16 on the half cyclic slab 31 lateral wall of elasticity, during the climbing, can stir the electric saw or prune the scissors, make it drive slider 17 and remove to the back, avoid influencing the climbing, when needing to prune the use, can stimulate the electric saw or prune the scissors and remove to the side waist department, make things convenient for both hands to take off the electric saw or prune the scissors and carry out branch pruning work.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. The utility model provides a view ginkgo tree is pruned and is used climbing device which characterized in that: the device comprises a hand climbing component (1), a foot climbing component (2) and a waist fixing component (3), wherein the hand climbing component (1) and the foot climbing component (2) are respectively connected with the waist fixing component (3) through a connecting belt (4);

the hand climbing assembly (1) and the foot climbing assembly (2) are identical in structure and symmetrically arranged in two, a handle (5) is fixed at the end of the hand climbing assembly (1), a pedal (6) is fixed at the end of the foot climbing assembly (2), the two hand climbing assemblies (1) and the two foot climbing assemblies (2) are staggered to encircle the ginkgo trunk, and the perimeter of the ginkgo trunk encircled by the hand climbing assembly (1) and the perimeter of the ginkgo trunk encircled by the foot climbing assembly (2) are adjusted by the adjusting assembly (7) to match the ginkgo trunks with different diameters;

the two foot climbing assemblies (2) and the two hand climbing assemblies (1) are connected into a whole through a buckle assembly (8);

the hand climbing assembly (1) and the foot climbing assembly (2) respectively comprise a connecting rod (9), a sleeve (10), a side buckle body (11), a linear buckle body (12) and an arc buckle body (13), one end of the linear buckle body (12) is fixedly connected with the arc buckle body (13), the other end of the linear buckle body (12) is slidably sleeved in the sleeve (10), the connecting rod (9) is fixed on the front side of the sleeve (10) and is perpendicular to the sleeve (10), and one side wall, close to the arc buckle body (13), of the connecting rod (9) is fixedly connected with the side buckle body (11);

the buckle assembly (8) comprises an inserting rod (81) and an inserting hole (82) which are respectively arranged on the two hand climbing assemblies (1)/the two foot climbing assemblies (2), the inserting rod (81) is fixedly connected with the upper surface of the linear buckle body (12), and the inserting hole (82) penetrates through the linear buckle body (12);

the inserted bar (81) is arranged to be linear or hook type.

2. The climbing device for pruning the landscape ginkgo tree according to claim 1, wherein: rubber pads are fixedly arranged on the inner side walls of the side buckle body (11) and the arc buckle body (13), and the rubber pads are arranged to be in a sawtooth shape.

3. The climbing device for pruning the landscape ginkgo tree according to claim 1, wherein: adjusting part (7) include horizontal pole (71), ejector pin (72), gag lever post (73), elevating system (74), the inside cavity that is equipped with of straight line buckle body (12), the cavity top is run through and is seted up a plurality of perforation (14) that just are a font evenly distributed, sleeve pipe (10) upper surface runs through and sets up a plurality of through-holes (15) that just are a font evenly distributed, horizontal pole (71) set up in the cavity and do linear motion from top to bottom by elevating system (74) drive, ejector pin (72) set up to a plurality of and be a font even fixed setting in horizontal pole (71) top, and perforation (14) are run through and extend to in through-hole (15) in ejector pin (72) top, gag lever post (73) run through horizontal pole (71) both sides and with horizontal pole (71) sliding connection.

4. The climbing device for pruning the landscape ginkgo tree according to claim 3, wherein: the lifting mechanism (74) comprises a rotating handle (741), a threaded rod (742) and a bearing (743), the threaded rod (742) is fixed to the bottom end of the rotating handle (741), the bottom end of the threaded rod (742) penetrates through the upper surface of the linear buckling body (12) and is in threaded connection with the linear buckling body (12), the bottom end of the threaded rod (742) extends into the cavity and is connected with the bearing (743), and the bearing (743) is fixedly connected with one end of the cross rod (71).

5. The climbing device for pruning the landscape ginkgo tree according to claim 1, wherein: subassembly (3) are fixed to waist includes elasticity semicircular plate (31), cushion (32), fixed band (33), elasticity semicircular plate (31) are worn and are fixed in the waist in waist and both ends through fixed band (33), and two fixed bands (33) are binded the connection or are adopted magic subsides adhesive bonding, cushion (32) are fixed to be set up in elasticity semicircular plate (31) inside wall, elasticity semicircular plate (31) are made by polypropylene plastics, cushion (32) have rubber or sponge to make.

6. The climbing device for pruning the landscape ginkgo tree according to claim 5, wherein: the outer side wall of the elastic semi-ring plate (31) is provided with a sliding groove (16), two ends of the sliding groove (16) extend to end faces of two ends of the elastic semi-ring plate (31) to form openings, the cross section of the sliding groove (16) is T-shaped, a sliding block (17) is arranged in the sliding groove (16) in a sliding fit mode, a hook (18) is fixedly arranged on the sliding block (17), and the hook (18) is used for hooking an electric saw or trimming scissors.