Pear tree branch pulling device

Abstract

The utility model relates to the technical field of agricultural tools, and discloses a pear tree branch pulling device which comprises an upper connecting piece, a lower connecting piece and a telescopic device arranged between the two connecting pieces, and tree hooks are fixed to the ends, away from the telescopic device, of the connecting pieces. The branch pulling device has the advantages that the distance between branches and trunks can be adjusted through the telescopic device, then the branch pulling angle is adjusted according to the growth condition of fruit trees so as to relieve the tree vigor, operation is easy, branch pulling efficiency is high, labor intensity is low, and growth of pear trees is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural tool technical field, especially a pear tree branch pulling device. BACKGROUND

[0002] Pear is one of the main fruits in China, and its cultivation history is long, and the planting area and yield are in the first place in the world. It has rich nutrition and food therapy effect, and is favored by consumers, and has high economic benefits.

[0003] In the growth process of pear trees, in order to moderate tree vigor, optimize tree structure, improve ventilation and light transmission and nutrient distribution, and promote early yield of pear trees, it is necessary to pull the branches of pear trees. Generally, for 2-3 years of young trees, fruit farmers will use ropes or iron wires to pull the branches of pear trees, and in this process, the tree trunk and branches of the pear tree need to be bundled and unbundled, which is time-consuming and laborious, and the operation efficiency is low. And in the growth process of pear trees, the rope or iron wire will be embedded in the tree, causing damage to the tree or even breaking. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pear tree branch pulling device, which has the effects of facilitating branch pulling operation of pear tree branches and being beneficial to pear tree growth.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a pear tree branch pulling device, comprising two upper and lower connecting pieces and a telescopic device arranged between the two connecting pieces, and a tree hook is fixed at one end of the connecting piece away from the telescopic device.

[0006] By adopting the above technical scheme, the two tree hooks are connected with the tree body and the branch to be pulled, respectively, the distance is adjusted by adjusting the telescopic device, and then the pulling angle is adjusted according to the growth of the fruit tree, the tree vigor is moderated, the operation is simple, the pulling efficiency is high, the labor intensity is low, and the growth of the pear tree is beneficial.

[0007] The utility model further provides that the connecting piece is provided with a threaded groove, and the tree hook is fixed with a threaded rod screwed into the threaded groove.

[0008] By adopting the above technical scheme, the tree hook is screwed into the threaded groove through the threaded rod and is threadedly connected with the connecting piece, so that the tree hook can be easily disassembled when not in use, and is convenient to store and carry. Also, different types and sizes of tree hooks can be adjusted and replaced according to the size of the tree trunk, which is convenient to replace when the tree hook is worn or damaged, saves cost and resources.

[0009] The utility model discloses further provide: the telescopic device includes sleeve and the slide bar of sliding in sleeve, the sleeve is away from the slide bar one end with the slide bar is away from the sleeve one end respectively with two the connecting piece fixed connection, the sleeve with the slide bar between through locking mechanism fixed.

[0010] Through adopting above technical scheme, after adjusting the overall length of telescopic device through sliding slide bar, using locking mechanism fixed, make the overall length adjustment of branch pulling device more convenient, adjust the angle of branch pulling according to the growth condition of fruit tree.

[0011] The utility model discloses further provide: the slide bar is equipped with the sliding slot along the axial direction, the inner wall of sliding slot is equipped with the clamping groove, the locking mechanism includes the first wedge and the second wedge of sliding in sleeve, when the first wedge slides, push the second wedge and move to the clamping groove.

[0012] Through adopting above technical scheme, the first wedge slides and then drive the second wedge to slide and be clamped into the clamping groove, realize the quick fixing of slide bar and sleeve.

[0013] The utility model discloses further provide: the second wedge is equipped with two respectively located the first wedge both sides, and the inner wall both sides of the corresponding sliding slot are equipped with the clamping groove, and the sliding direction of the first wedge is perpendicular with the sliding direction of the second wedge.

[0014] Through adopting above technical scheme, two second wedges are locked into the clamping groove synchronously, and the slide bar is locked, and the overall locking fixed structure is more stable.

[0015] The utility model discloses further provide: the sleeve is equipped with the through -hole leading to the sliding slot, the through -hole is slid in the connecting rod, the first wedge is fixed in the connecting rod one end in the sliding slot, and the first spring is fixed between the first wedge and the through -hole inner wall and is sleeved in the first spring outside the connecting rod.

[0016] Through adopting above technical scheme, when pressing the connecting rod, the connecting rod is inserted into the through -hole and drives the first wedge to move downward, and the first spring is stretched, and when releasing the connecting rod, the first spring is retracted, drives the connecting rod and the first wedge to move upward and returns, realizes the length of pressing adjustment, and releases self -locking.

[0017] The utility model discloses further provide: the connecting rod is away from the first wedge one end and extends the sleeve and is fixed with the presser.

[0018] Through adopting above technical scheme, the connecting rod is pressed through the presser, and it is more labor-saving.

[0019] The further setting of the utility model is that the sleeve is internally provided with a limiting groove, the second wedge-shaped block is fixed with a limiting plate sliding in the limiting groove, and the limiting plate and the limiting groove are fixed with a second spring.

[0020] By adopting the above technical scheme, when the connecting rod is pressed, the connecting rod is inserted into the through hole to drive the first wedge-shaped block to move downwards, the first spring is stretched, the two sides of the first wedge-shaped block no longer restrict the second wedge-shaped block, the second wedge-shaped block is pushed out of the clamping groove under the pushing of the second spring, and at this time, the overall length of the sliding rod adjusting telescopic device can be adjusted relative to the sleeve.

[0021] The further setting of the utility model is that the second wedge-shaped block is provided with a hemispherical shape on the side away from the first wedge-shaped block, and the clamping groove is correspondingly provided with a hemispherical shape.

[0022] By adopting the above technical scheme, when the locking mechanism is in the locking state, the hemispherical end of the second wedge-shaped block is embedded in the clamping groove, the friction and wear are reduced, the service life of the device is prolonged, the possibility of jamming is reduced, and the operation fluency is improved.

[0023] The further setting of the utility model is that the tree hook opening is hingedly connected with a limiting piece, and a torsional spring is connected between the end of the limiting piece and the tree hook.

[0024] By adopting the above technical scheme, the limiting piece is pushed, the limiting piece rotates relative to the tree hook to open the tree hook opening, the tree hook is hung on the branch, and after the limiting piece is loosened, the tree hook opening is closed under the pushing of the torsional spring, so that stronger gripping force is provided, the tree hook is prevented from slipping off when the branch is grabbed, and better stability is provided.

[0025] The utility model has the beneficial effects that:

[0026] 1. Two tree hooks are connected with a tree body and a branch needing to be pulled, the telescopic device is adjusted to adjust the distance, the angle of pulling the branch is adjusted according to the growth of the fruit tree, the tree potential is relieved, the operation is simple, the pulling efficiency is high, the labor intensity is low, and the pear tree growth is facilitated.

[0027] 2. After the overall length of the telescopic device is adjusted by sliding the sliding rod, the locking mechanism is used to fix, so that the overall length adjustment of the branch pulling device is more convenient.

[0028] 3. The tree hook is hung on the branch, the tree hook opening is closed under the pushing of the torsional spring after the limiting piece is loosened, stronger gripping force is provided, the tree hook is prevented from slipping off when the branch is grabbed, and better stability is provided. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 is a structural schematic diagram of the present application.

[0031] Figure 2 is a sectional structural schematic diagram of the present application.

[0032] Figure 3 is Figure 2 the enlarged view of A in FIG.

[0033] Figure 4 is a schematic diagram of the connection relationship between the tree hook and the connecting piece in the present application.

[0034] In the figure, 1, connecting piece; 2, telescopic device; 21, sleeve; 22, sliding rod; 23, locking mechanism; 231, first wedge-shaped block; 232, second wedge-shaped block; 233, connecting rod; 234, first spring; 235, pressing member; 236, limiting plate; 237, second spring; 3, tree hook; 4, threaded groove; 5, threaded rod; 6, sliding groove; 7, clamping groove; 8, through hole; 9, limiting groove; 10, limiting piece; 11, torsional spring. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0036] Embodiment 1, a pear tree branch pulling device, as shown in FIG. Figures 1-4 It comprises two connecting pieces 1 and a telescopic device 2 arranged between the two connecting pieces 1, and the tree hook 3 is fixed to the end of the connecting piece 1 away from the telescopic device 2.

[0037] Further, the connecting piece 1 is provided with a threaded groove 4, and the tree hook 3 is fixed with a threaded rod 5 screwed into the threaded groove 4.

[0038] Further, the telescopic device 2 comprises a sleeve 21 and a sliding rod 22 sliding in the sleeve 21, the end of the sleeve 21 away from the sliding rod 22 and the end of the sliding rod 22 away from the sleeve 21 are respectively fixedly connected with the two connecting pieces 1, and the sleeve 21 and the sliding rod 22 are fixed by the locking mechanism 23.

[0039] Further, the slide rod 22 is provided with a sliding groove 6 in the axial direction, the inner wall of the sliding groove 6 is provided with a clamping groove 7, the locking mechanism 23 comprises a first wedge block 231 and a second wedge block 232 sliding in the sleeve 21, the first wedge block 231 pushes the second wedge block 232 to move into the clamping groove 7 when sliding, the second wedge block 232 is provided as two respectively located on both sides of the first wedge block 231, and the inner wall of the corresponding sliding groove 6 is provided with the clamping groove 7 on both sides, and the sliding direction of the first wedge block 231 is perpendicular to the sliding direction of the second wedge block 232.

[0040] Further, the sleeve 21 is provided with a through hole 8 leading to the sliding groove 6, a connecting rod 233 is slidingly arranged in the through hole 8, the first wedge block 231 is fixed to one end of the connecting rod 233 located in the sliding groove 6, a first spring 234 is fixed between the first wedge block 231 and the inner wall of the through hole 8 and sleeved on the outer side of the connecting rod 233, and the end of the connecting rod 233 away from the first wedge block 231 extends out of the sleeve 21 and is fixed with a pressing member 235.

[0041] Further, the sleeve 21 is provided with a limiting groove 9, the second wedge block 232 is fixed with a limiting plate 236 sliding in the limiting groove 9, and a second spring 237 is fixed between the limiting plate 236 and the limiting groove 9.

[0042] Further, the side of the second wedge block 232 away from the first wedge block 231 is provided in a hemispherical shape, and the corresponding clamping groove 7 is provided in a hemispherical shape.

[0043] Further, the opening of the tree hook 3 is hingedly connected with a limiting member 10, and a torsional spring 11 is connected between the end of the limiting member 10 and the tree hook 3.

[0044] Working principle: connect the two tree hooks 3 with the tree body and the branch needing to be pulled respectively, push the limiting member 10, rotate the limiting member 10 relative to the tree hook 3 to open the opening of the tree hook 3, hang the tree hook 3 on the branch, and then release the limiting member 10, so that the opening of the tree hook 3 is closed under the pushing of the torsional spring 11 to provide stronger gripping force, then adjust the telescopic device 2 to adjust the distance, press the pressing member 235 and the connecting rod 233, the connecting rod 233 penetrates into the through hole 8 to drive the first wedge block 231 to move downward, the first spring 234 is stretched, the two sides of the first wedge block 231 no longer limit the second wedge block 232, the second wedge block 232 is pushed out of the end clamping groove 7 under the pushing of the second spring 237, at this time, the slide rod 22 can be slid relative to the sleeve 21 to adjust the overall length of the telescopic device 2, release the connecting rod 233, the first wedge block 231 rebounds under the pulling of the first spring 234, pushes the two second wedge blocks 232 on both sides into the clamping groove 7 through the two inclined surfaces to be self-locked, so that the sleeve 21 and the slide rod 22 are relatively fixed, and then the angle of pulling the branch is adjusted according to the growth of the fruit tree, the operation is simple, and the pulling branch efficiency is high.

[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pear tree limb spreader, comprising: The utility model relates to a tree hook, including upper and lower connecting piece (1) and set up between two connecting piece (1) telescopic device (2), connecting piece (1) is fixed with tree hook (3) away from telescopic device (2) one end.

2. The pear tree branch pulling device according to claim 1, characterized in that: Connecting piece (1) is equipped with thread groove (4), and the tree hook (3) is fixed with the threaded rod (5) that screws into the thread groove (4).

3. The pear tree branch pulling device according to claim 1, characterized in that: The telescopic device (2) includes a sleeve (21) and a sliding rod (22) that slides in the sleeve (21). The sleeve (21) is fixedly connected with the sliding rod (22) at the end away from the sleeve (21) and the end of the sliding rod (22) away from the sleeve (21), respectively. The sleeve (21) and the sliding rod (22) are fixed by a locking mechanism (23).

4. The pear tree branch pulling device according to claim 3, characterized in that: The sliding rod (22) is provided with a sliding groove (6) along the axial direction, and the inner wall of the sliding groove (6) is provided with a clamping groove (7). The locking mechanism (23) includes a first wedge block (231) and a second wedge block (232) that slide in the sleeve (21). When the first wedge block (231) slides, it pushes the second wedge block (232) to move into the clamping groove (7).

5. The pear tree branch pulling device according to claim 4, characterized in that: The second wedge block (232) is provided on both sides of the first wedge block (231), and the inner wall of the corresponding sliding groove (6) is provided with the clamping groove (7) on both sides. The sliding direction of the first wedge block (231) is perpendicular to the sliding direction of the second wedge block (232).

6. A pear tree branch spreader according to claim 5 wherein: The sleeve (21) is provided with a through hole (8) leading to the sliding groove (6). A connecting rod (233) slides in the through hole (8). The first wedge block (231) is fixed to one end of the connecting rod (233) inside the sliding groove (6). A first spring (234) is fixed between the first wedge block (231) and the inner wall of the through hole (8) and is sleeved outside the connecting rod (233).

7. A pear tree branch spreader according to claim 6 wherein: The end of the connecting rod (233) away from the first wedge block (231) extends out of the sleeve (21) and is fixed with a pressing member (235).

8. The pear tree branch pulling device according to claim 5, characterized in that: The sleeve (21) is provided with a limiting groove (9) inside. The second wedge block (232) is fixed with a limiting plate (236) that slides in the limiting groove (9). A second spring (237) is fixed between the limiting plate (236) and the limiting groove (9).

9. The pear tree branch pulling device according to claim 8, characterized in that: The side of the second wedge block (232) away from the first wedge block (231) is provided with a hemispherical shape, and the corresponding clamping groove (7) is provided with a hemispherical shape.

10. The pear tree branch pulling device according to claim 1, characterized in that: The opening of the tree hook (3) is hinged with a limiting member (10). A torsional spring (11) is connected between the end of the limiting member (10) and the tree hook (3).

Images