A fruit tree crown thinning pruning tool

Abstract

The application discloses a fruit tree crown layer branch thinning and pruning tool, which comprises a rack, a gear motor, a belt transmission mechanism and a cutter disc assembly, the gear motor is installed on the rack, the cutter disc assembly comprises a transmission shaft, a fixing assembly, an upper disc cutter, a lower disc cutter and a support disc group, the fixing assembly is installed on the transmission shaft through a first bearing set, and the fixing assembly is fixedly connected with the rack; the gear motor is in transmission connection with the transmission shaft through the belt transmission mechanism; the upper disc cutter is fixedly installed at the top end of the transmission shaft, the lower disc cutter is fixedly installed at the bottom end of the transmission shaft, and the support disc group is installed on the transmission shaft through a second bearing set and located at the side close to the lower disc cutter. The upper disc cutter and the lower disc cutter which are spaced apart can thin and prune the branches in the interior of the fruit tree crown, the upper disc cutter is in non-support cutting, the lower disc cutter is in support cutting under the action of the support disc group, the application range is increased, the stability during cutting is increased, and the cutting quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fruit tree pruning devices, in particular to a fruit tree crown layer branch thinning pruning cutter. BACKGROUND

[0002] Fruit tree pruning methods can be divided into manual pruning and mechanical pruning. At present, fruit tree pruning is still mainly manual pruning with pruning cutters, which has high labor intensity, low work efficiency, high labor cost and cannot meet the production requirements of large-scale planting. Moreover, the annual branch growth of standardized fruit trees is large, and the difficulty and amount of manual pruning increase year by year with the increase of tree age and tree crown. Due to the shortage of labor, the production cost is high, and it is urgent to develop standard fruit orchard pruning mechanical equipment to replace manual work.

[0003] However, the existing fruit tree crown layer pruning cutter can only complete the shaping pruning of the fruit tree crown profile, and cannot realize the branch thinning pruning of the fruit tree crown. The internal ventilation and light transmission of the shaped crown are poor, which affects the yield and quality of fruits. In addition, the existing fruit tree crown layer pruning cutter has limited application range, poor cutting quality and efficiency.

[0004] Therefore, it is an urgent problem for those skilled in the art to provide a high-efficiency fruit tree crown layer branch thinning pruning cutter.

[0005] INVENTION

[0006] Therefore, the present application provides a fruit tree crown layer branch thinning pruning cutter, which realizes branch thinning pruning of the fruit tree crown, increases the application range, and improves the cutting quality and efficiency.

[0007] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0008] A fruit tree crown layer branch thinning pruning cutter, comprising a rack, a gear motor and a belt transmission mechanism, the gear motor is installed on the rack, further comprising a cutter head assembly, the cutter head assembly comprises a transmission shaft, a fixing assembly, an upper disc cutter, a lower disc cutter and a support disc group, the fixing assembly is installed on the transmission shaft through a first bearing set, and the fixing assembly is fixedly connected with the rack; the gear motor is in transmission connection with the transmission shaft through the belt transmission mechanism; the upper disc cutter is fixedly installed at the top end of the transmission shaft, the lower disc cutter is fixedly installed at the bottom end of the transmission shaft, and the support disc group is installed on the transmission shaft through a second bearing set and located on the side close to the lower disc cutter.

[0009] By adopting the above technical solutions, the present application has the following advantages:

[0010] The upper and lower disc knives are arranged in a staggered manner, and can thin out and prune the inside of the tree crown; the upper disc knife is a non-supported cutting disc, and the lower disc knife is a supported cutting disc formed under the action of the support disc set, which is suitable for fruit trees with different diameters and rigidities, increases the range of application, and improves the stability during cutting, cutting quality and efficiency.

[0011] Further, the upper disc knife is mounted in the first support sleeve, and the first support sleeve is fixedly sleeved on the top end of the transmission shaft; the lower disc knife is mounted in the second support sleeve, and the second support sleeve is fixedly sleeved on the bottom end of the transmission shaft.

[0012] Further, the fixing assembly comprises a fixing disc and a welding wheel, the first bearing set comprises a first sealed deep groove ball bearing and a first deep groove ball bearing arranged in an inner-outer manner, the fixing disc is mounted on the transmission shaft through the first sealed deep groove ball bearing, and the fixing disc is fixedly connected with the rack; the welding wheel is mounted on the fixing disc through the first deep groove ball bearing.

[0013] Further, the support disc set comprises an upper support disc and a lower support disc arranged in an upper-lower manner, the second bearing set comprises a second sealed deep groove ball bearing and a second deep groove ball bearing arranged in an inner-outer manner, the lower support disc is mounted on the transmission shaft through the second sealed deep groove ball bearing, and the upper support disc is mounted on the lower support disc through the second deep groove ball bearing.

[0014] Further, the upper support disc comprises an upper support disc body and a plurality of first clamping teeth connected as a whole, the upper support disc body has a plurality of evenly distributed distance adjustment holes on the side surface; the plurality of first clamping teeth are evenly distributed in a circumferential direction of the upper support disc body; the lower support disc comprises a lower support disc body and a plurality of second clamping teeth connected as a whole, the lower support disc body is mounted on the transmission shaft through the second sealed deep groove ball bearing, and the upper support disc body is mounted on the lower support disc body through the second deep groove ball bearing; the lower support disc body has a plurality of fixing holes on the side surface, and the plurality of fixing holes respectively correspond to the plurality of distance adjustment holes in position; each corresponding fixing hole and distance adjustment hole are connected through a bolt; the plurality of second clamping teeth are evenly distributed in a circumferential direction of the lower support disc body, and the plurality of second clamping teeth respectively correspond to the plurality of first clamping teeth in position.

[0015] The beneficial effects produced by the above further technical solutions are that the staggered degree between the first clamping teeth and the second clamping teeth is changed by rotating the upper support disc, different sizes of clamping holes are formed between the first clamping teeth and the second clamping teeth, and the clamping of branches with different diameters is realized.

[0016] Further, the upper disc cutter and the lower disc cutter are structurally identical, each including a disc cutter body and a plurality of saw teeth connected as one body, and the plurality of saw teeth are evenly distributed along the circumference of the disc cutter body.

[0017] Further, the cutter head assembly further includes a gasket, which is sleeved and mounted on the transmission shaft and located between the lower support disc body and the second support sleeve.

[0018] Further, the belt transmission mechanism includes a poly-v belt pulley and a belt, the poly-v belt pulley is mounted on the middle part of the transmission shaft, and the output shaft of the gear motor is in transmission connection with the poly-v belt pulley through the belt. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on the provided drawings.

[0020] Figure 1 The accompanying drawings are schematic diagrams of the overall structure of the fruit tree crown layer branch thinning and pruning cutter provided by the present application;

[0021] Figure 2 The accompanying drawings are schematic diagrams of the overall structure of the fruit tree crown layer branch thinning and pruning cutter provided by the present application from another perspective;

[0022] Figure 3 The accompanying drawings are schematic diagrams of the structure of the cutter head provided by the present application;

[0023] Figure 4 The accompanying drawings are schematic diagrams of the structure of the support disc group provided by the present application;

[0024] Figure 5 The accompanying drawings are schematic diagrams of the structure of the upper support disc provided by the present application;

[0025] Figure 6 The accompanying drawings are schematic diagrams of the structure of the lower support disc provided by the present application;

[0026] Figure 7 The accompanying drawings are schematic diagrams of the structure of the upper disc cutter provided by the present application;

[0027] Figure 8 The accompanying drawings are schematic diagrams of the structure of the belt transmission mechanism provided by the present application. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0029] As shown in Figures 1-8 The present application discloses a fruit tree crown pruning tool, which comprises a rack 1, a gear motor 2, a belt transmission mechanism 3 and a cutter head assembly 4. The gear motor 2 is installed on the rack 1. The cutter head assembly 4 comprises a transmission shaft 41, a fixing assembly 42, an upper disc cutter 43, a lower disc cutter 44 and a support disc set 45. The fixing assembly 42 is installed on the transmission shaft 41 through a first bearing set and is fixedly connected with the rack 1. The gear motor 2 is in transmission connection with the transmission shaft 41 through the belt transmission mechanism 3. The upper disc cutter 43 is fixedly installed at the top end of the transmission shaft 41. The lower disc cutter 44 is fixedly installed at the bottom end of the transmission shaft 41. The support disc set 45 is installed on the transmission shaft 41 through a second bearing set and is located on the side close to the lower disc cutter 44. The upper disc cutter 43 and the lower disc cutter 44, which are spaced apart from each other, can prune the branches inside the fruit tree crown. The upper disc cutter 43 is a non-supported cutter. The lower disc cutter 44 forms a supported cutter under the action of the support disc set 45. The tool is suitable for fruit trees with different diameters and rigidities, increases the application range, increases the stability during cutting, and improves the cutting quality and efficiency.

[0030] Specifically, the upper disc cutter 43 is installed in a first support sleeve 46, and the first support sleeve 46 is fixedly sleeved on the top end of the transmission shaft 41. The lower disc cutter 44 is installed in a second support sleeve 47, and the second support sleeve 47 is fixedly sleeved on the bottom end of the transmission shaft 41.

[0031] Specifically, the fixing assembly 42 comprises a fixing disc 421 and a welded wheel 422. The first bearing set comprises a first sealed deep groove ball bearing 48 and a first deep groove ball bearing 49 which are arranged inside and outside. The fixing disc 421 is installed on the transmission shaft 41 through the first sealed deep groove ball bearing 48 and is fixedly connected with the rack 1. The welded wheel 422 is installed on the fixing disc 421 through the first deep groove ball bearing 49.

[0032] Specifically, the support disc set 45 comprises an upper support disc 451 and a lower support disc 452 which are arranged in an up-down manner. The second bearing set comprises a second sealed deep groove ball bearing 410 and a second deep groove ball bearing 411 which are arranged inside and outside. The lower support disc 452 is installed on the transmission shaft 41 through the second sealed deep groove ball bearing 410. The upper support disc 451 is installed on the lower support disc 452 through the second deep groove ball bearing 411.

[0033] In the embodiment, the upper supporting disc 451 comprises an upper supporting disc body 4511 and a plurality of first clamping teeth 4512 connected as a whole, the upper supporting disc body 4511 has a plurality of evenly distributed pitch adjustment holes 45111 on the side surface; the plurality of first clamping teeth 4512 are evenly distributed along the circumference of the upper supporting disc body 4511; the lower supporting disc 452 comprises a lower supporting disc body 4521 and a plurality of second clamping teeth 4522 connected as a whole, the lower supporting disc body 4521 is installed on the transmission shaft 41 through the second sealing deep groove ball bearing 410, the upper supporting disc body 4511 is installed on the lower supporting disc body 4521 through the second deep groove ball bearing 411; the lower supporting disc body 4521 has a plurality of fixing holes 45211 on the side surface, and the plurality of fixing holes 45211 respectively correspond to the plurality of pitch adjustment holes 45111 in position; each corresponding fixing hole 45211 and pitch adjustment hole 45111 are connected through a bolt; the plurality of second clamping teeth 4522 are evenly distributed along the circumference of the lower supporting disc body 4511, and the plurality of second clamping teeth 4522 respectively correspond to the plurality of first clamping teeth 4512 in position, the degree of interlacing between the first clamping teeth 4512 and the second clamping teeth 4522 is changed by rotating the upper supporting disc 451, different sizes of clamping holes are formed between the first clamping teeth 4512 and the second clamping teeth 4522, and branches with different diameters are clamped.

[0034] Specifically, the upper disc cutter 43 and the lower disc cutter 44 are the same in structure, and each comprises a disc cutter body 431 and a plurality of saw teeth 432 connected as a whole, and the plurality of saw teeth 432 are evenly distributed along the circumference of the disc cutter body 431.

[0035] In order to further optimize the technical scheme of the application, the cutter head assembly 4 further comprises a gasket 412, the gasket 412 is sleeved and installed on the transmission shaft 41 and located between the lower supporting disc body 4521 and the second supporting sleeve 47.

[0036] Specifically, the belt transmission mechanism 3 comprises a V-belt pulley 31 and a belt 32, the V-belt pulley 31 is installed in the middle part of the transmission shaft 41; the output shaft of the gear motor 2 is in transmission connection with the V-belt pulley 31 through the belt 32.

[0037] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0038] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and, while certain modifications are discussed, it is desired to be protected in accordance with the spirit and scope of the application. Therefore, the application is not limited to the specific embodiments shown and described, but only by the scope of the appended claims, unless otherwise specified.

Claims

1. A fruit tree canopy thinning pruner comprising a frame, a gear motor and a belt drive mechanism, said gear motor being mounted on said frame, characterized in that, Also include the cutter head assembly, the cutter head assembly includes the transmission shaft, the fixed assembly, the upper disc cutter, the lower disc cutter and the support disc group, the fixed assembly is installed on the transmission shaft through the first bearing group, and the fixed assembly is fixedly connected with the rack; the gear motor is drivingly connected with the transmission shaft through the belt transmission mechanism; the upper disc cutter is fixedly installed at the top end of the transmission shaft, the lower disc cutter is fixedly installed at the bottom end of the transmission shaft, and the support disc group is installed on the transmission shaft through the second bearing group and located on the side close to the lower disc cutter; The fixed assembly includes a fixed disc and a welded wheel, the first bearing group includes a first sealed deep groove ball bearing and a first deep groove ball bearing distributed inside and outside, the fixed disc is installed on the transmission shaft through the first sealed deep groove ball bearing, and the fixed disc is fixedly connected with the rack; the welded wheel is installed on the fixed disc through the first deep groove ball bearing; The support disc group includes an upper support disc and a lower support disc distributed upwards and downwards, the second bearing group includes a second sealed deep groove ball bearing and a second deep groove ball bearing distributed inside and outside, the lower support disc is installed on the transmission shaft through the second sealed deep groove ball bearing, and the upper support disc is installed on the lower support disc through the second deep groove ball bearing; The upper support disc includes an upper support disc body and a plurality of first clamping teeth connected as a whole, the upper support disc body has a plurality of evenly distributed pitch holes on the side surface; a plurality of the first clamping teeth are evenly distributed circumferentially along the upper support disc body; the lower support disc includes a lower support disc body and a plurality of second clamping teeth connected as a whole, the lower support disc body is installed on the transmission shaft through the second sealed deep groove ball bearing, and the upper support disc body is installed on the lower support disc body through the second deep groove ball bearing; the lower support disc body has a plurality of fixing holes on the side surface, and a plurality of the fixing holes respectively correspond to a plurality of the pitch holes in position; each corresponding fixing hole and pitch hole is connected through a bolt; a plurality of the second clamping teeth are evenly distributed circumferentially along the lower support disc body, and a plurality of the second clamping teeth respectively correspond to a plurality of the first clamping teeth in position.

2. A fruit tree canopy thinning pruner tool according to claim 1, wherein, The upper disc cutter is installed in a first support sleeve, and the first support sleeve is fixedly sleeved on the top end of the transmission shaft; the lower disc cutter is installed in a second support sleeve, and the second support sleeve is fixedly sleeved on the bottom end of the transmission shaft.

3. A tree crown thinning tool according to claim 2, characterised in that, The upper disc cutter and the lower disc cutter are the same in structure, and each includes a disc cutter body and a plurality of saw teeth connected as a whole, and a plurality of the saw teeth are evenly distributed circumferentially along the disc cutter body.

4. A tree crown thinning pruning tool according to claim 2, characterised in that, The cutter head assembly further includes a gasket, which is sleeved and installed on the transmission shaft and located between the lower support disc body and the second support sleeve.

5. The fruit tree crown thinning pruner tool of claim 1, wherein, The belt transmission mechanism includes a poly-V belt pulley and a belt, the poly-V belt pulley is installed on the middle part of the transmission shaft; the output shaft of the gear motor is drivingly connected with the poly-V belt pulley through the belt.

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