A high-altitude pruning shears for trees

Abstract

The utility model relates to the technical field of garden pruning equipment, and disclose a kind of forest high altitude pruning shears, including tool holder, shear mechanism is arranged on tool holder, shear mechanism is convenient for the high altitude pruning of forest;The bottom of shear mechanism is provided with driving mechanism, driving mechanism is convenient for the driving of shear mechanism;Shear mechanism includes first cutter body, second cutter body, sawtooth and reset component, first cutter body is fixedly installed on tool holder, second cutter body is hinged with first cutter body, sawtooth is arranged at the back of first cutter body, reset component is arranged between tool holder and second cutter body, by setting forest high altitude pruning shears, it can be pulled by electric push rod to steel wire rope, drive second cutter body cooperate first cutter body and carry out shearing to branch, so that branch shearing is more labor-saving, simultaneously by sawtooth, it can be used to saw off the branch that is not easy to shear;Device is set by assembly type, not only suitable for the branch pruning of high place, also convenient for assembly and disassembly, convenient for worker use.

Description

Technical Field

[0001] This utility model relates to the field of garden pruning equipment technology, specifically a type of high-altitude pruning shears for trees. Background Technology

[0002] In garden maintenance, it is necessary to prune the branches of trees regularly to ensure their growth. Taller trees are often pruned using pruning shears with extended handles.

[0003] When pruning branches at heights, existing long-handled pruning tools generally require manual cutting of branches, which requires overcoming the strength of the branches themselves. On the one hand, overcoming the strength of the branches for a long time can be quite tiring; on the other hand, long-handled pruning tools are not easy to disassemble and assemble.

[0004] Therefore, it is necessary to propose a high-altitude pruning shear for trees. Utility Model Content

[0005] The purpose of this utility model is to provide a high-altitude pruning shear for trees to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A type of high-altitude pruning shears for trees includes a blade holder with a shearing mechanism on the blade holder, which facilitates high-altitude pruning of trees; a drive mechanism is provided at the bottom of the shearing mechanism, which facilitates driving the shearing mechanism.

[0008] The shearing mechanism includes a first blade body, a second blade body, serrations, and a reset assembly. The first blade body is fixedly mounted on a blade holder, and the second blade body is hinged to the first blade body. Serrations are provided on the back of the first blade body, and the reset assembly is disposed between the blade holder and the second blade body.

[0009] Preferably, a first connecting seat is fixedly installed at the bottom of the tool holder, and a pulley is installed at one end of the tool holder.

[0010] Preferably, the reset assembly includes a first connecting shaft, a second connecting shaft, and a spring. The first connecting shaft is fixedly installed on the side wall of the second cutter body, the second connecting shaft is fixedly installed on the top of the cutter holder, and the spring is connected between the first connecting shaft and the second connecting shaft. A first nut is threaded onto the first connecting shaft, and a second nut is threaded onto the second connecting shaft.

[0011] Preferably, a connecting rod is provided at the bottom of the tool holder, a first connector is fixedly installed at the bottom of the connecting rod, a second connector is fixedly installed at the top of the connecting rod, and the second connector is threadedly connected to the first connecting seat.

[0012] Preferably, a connecting block and a guide ring are fixedly installed on the side wall of the second cutter body, a steel wire rope is connected to the connecting block, a plug is fixedly installed at the other end of the steel wire rope, and the steel wire rope passes through the guide ring, pulley, first connecting seat and connecting rod in sequence.

[0013] Preferably, the drive mechanism includes a support tube, an electric push rod, and bolts. The electric push rod is installed inside the support tube, the first connector is inserted into the top of the support tube, and the support tube and the first connector are connected by bolts.

[0014] Preferably, the output end of the electric actuator is equipped with a second connecting seat, a third connecting shaft is fixedly installed on the second connecting seat, the plug is inserted into the third connecting shaft, and a third nut is threaded onto the third connecting shaft.

[0015] Preferably, a battery holder is fixedly installed at the bottom of the support tube, a bottom cover is threaded onto the bottom of the battery holder, a switch button is installed on the side wall of the support tube, the battery holder is electrically connected to the switch button, and the switch button is electrically connected to an electric push rod.

[0016] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0017] 1. By setting up high-altitude pruning shears for trees, the electric push rod can pull the steel wire rope to drive the second blade to work with the first blade to cut the branches, making branch cutting easier. At the same time, the saw teeth can be used to cut branches that are difficult to cut.

[0018] 2. The device adopts a modular design, which is not only suitable for pruning branches at high places, but also easy to assemble and disassemble, making it convenient for workers to use. Attached Figure Description

[0019] Figure 1 A diagram of a type of aerial pruning shears for trees. Figure 1 ;

[0020] Figure 2 A diagram of a type of aerial pruning shears for trees. Figure 2 ;

[0021] Figure 3 This is a structural diagram of the shearing mechanism in a type of aerial pruning shears for trees.

[0022] Figure 4 A schematic diagram of a connecting rod in a type of aerial pruning shears for trees.

[0023] Figure 5 This is a structural diagram of the drive mechanism in a type of aerial pruning shears for trees.

[0024] Explanation of reference numerals in the attached drawings: 1. Blade holder; 2. Shearing mechanism; 21. First blade body; 22. Second blade body; 23. Saw tooth; 24. Reset assembly; 241. First connecting shaft; 242. Second connecting shaft; 243. Spring; 244. First nut; 245. Second nut; 25. Connecting block; 251. Guide ring; 26. Steel wire rope; 261. Plug; 27. Pulley; 28. First connecting seat; 29. ​​Connecting rod; 291. First connector; 292. Second connector; 3. Drive mechanism; 31. Support tube; 32. Electric push rod; 33. Second connecting seat; 34. Third connecting shaft; 35. Third nut; 36. Bolt; 37. Switch button; 38. Battery holder; 381. Bottom cover. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0027] like Figures 1-5 ;

[0028] A type of high-altitude pruning shears for trees includes a blade holder 1, on which a shearing mechanism 2 is provided, which facilitates high-altitude pruning of trees; a driving mechanism 3 is provided at the bottom of the shearing mechanism 2, which facilitates driving the shearing mechanism 2.

[0029] The shearing mechanism 2 includes a first blade 21, a second blade 22, serrations 23, and a reset assembly 24. The first blade 21 is fixedly mounted on the blade holder 1, and the second blade 22 is hinged to the first blade 21. Both the second blade 22 and the first blade 21 are made of 65Mn steel with a hardness of HRC50-55. The first blade 21 is used to shear branches in conjunction with the second blade 22. Serrations 23 are provided on the back of the first blade 21 to cut branches that are difficult to shear. The reset assembly 24 is disposed between the blade holder 1 and the second blade 22. A first connecting seat 28 is fixedly mounted on the bottom of the blade holder 1 for connecting to the second connector 292. A pulley 27 is mounted on one end of the blade holder 1 for guiding the movement of the wire rope 26. The reset assembly 24 includes the first connecting seat 24. The device comprises a shaft 241, a second connecting shaft 242, and a spring 243. The first connecting shaft 241 is fixedly installed on the side wall of the second cutter body 22, and the second connecting shaft 242 is fixedly installed on the top of the cutter holder 1. The first connecting shaft 241 and the second connecting shaft 242 are used to connect the spring 243. The spring 243 is connected between the first connecting shaft 241 and the second connecting shaft 242. The spring 243 is used to pull back and reset the second cutter body 22, and the spring 243 is replaceable. A first nut 244 is threaded on the first connecting shaft 241, and a second nut 245 is threaded on the second connecting shaft 242. The first nut 244 is used to limit one end of the spring 243, and the second nut 245 is used to limit the other end of the spring 243. Washers are provided at the mounting points of the first nut 244 and the second nut 245.

[0030] Furthermore, a connecting rod 29 is provided at the bottom of the tool holder 1. A first connector 291 is fixedly installed at the bottom of the connecting rod 29. The connecting rod 29 is used to connect the tool holder 1 and the support tube 31. A second connector 292 is fixedly installed at the top of the connecting rod 29. The second connector 292 is threadedly connected to the first connecting seat 28, which facilitates the assembly and disassembly of the connecting rod 29. A connecting block 25 and a guide ring 251 are fixedly installed on the side walls of the second tool body 22. The connecting block 25 is used to fix one end of the wire rope 26, and the guide ring 251 is used to fix the wire rope 26. The rope 26 guides the movement. A steel wire rope 26 is connected to the connecting block 25. To ensure the strength of the steel wire rope 26, it is replaced every 6 months. One end of the steel wire rope 26 is connected to the second cutter body 22, and the other end is connected to the output end of the electric push rod 32, so as to automatically pull the second cutter body 22. A plug 261 is fixedly installed on the other end of the steel wire rope 26. The plug 261 is used to connect to the third connecting shaft 34. The steel wire rope 26 passes through the guide ring 251, pulley 27, first connecting seat 28 and connecting rod 29 in sequence.

[0031] Furthermore, the drive mechanism 3 includes a support tube 31, an electric push rod 32, and bolts 36. The electric push rod 32 is installed inside the support tube 31 and is used to pull the wire rope 26. A first connector 291 is inserted into the top of the support tube 31, connecting the support tube 31 and the connecting rod 29. The support tube 31 and the first connector 291 are connected by bolts 36. A second connecting seat 33 is installed at the output end of the electric push rod 32, and a third connecting shaft 34 is fixedly installed on the second connecting seat 33. The third connecting shaft 34 is used to connect to the plug 261, which is inserted into the third connecting shaft 36. A third nut 35 is threaded onto the connecting shaft 34. The third nut 35 is used to limit the plug 261 and facilitates the connection and disassembly of the plug 261. A battery holder 38 is fixedly installed at the bottom of the support tube 31. The battery holder 38 is used to supply power to the electric push rod 32. A bottom cover 381 is threaded onto the bottom of the battery holder 38 to protect the bottom of the battery holder 38. A switch button 37 is installed on the side wall of the support tube 31. The battery holder 38 is electrically connected to the switch button 37. The switch button 37 is electrically connected to the electric push rod 32. The extension and retraction of the electric push rod 32 is controlled by the switch button 37.

[0032] The working principle of this utility model is as follows: the second connector 292 at the top of the connecting rod 29 is threadedly connected to the first connecting seat 28; one end of the wire rope 26 is connected to the connecting block 25; the wire rope 26 passes sequentially through the guide ring 251, pulley 27, first connecting seat 28, and connecting rod 29; the plug 261 at the other end of the wire rope 26 is inserted into the third connecting shaft 34; a third nut 35 is threaded onto the third connecting shaft 34 to limit the plug 261; the first connector 291 at the bottom of the connecting rod 29 is inserted into the top of the support tube 31; the support tube 31... The first joint 291 is connected to the first joint 291 by bolts 36. The electric push rod 32 is operated to extend and retract by switch button 37. When the electric push rod 32 pulls the wire rope 26, the wire rope 26 will pull the top of the second blade 22. The second blade 22 works with the first blade 21 to cut the branches. The second blade 22 drives the spring 243 to pull. When the electric push rod 32 is pushed up, the spring 243 pulls the second blade 22 back to its original position. The back of the first blade 21 is provided with serrations 23, which are used to cut branches that are difficult to cut.

[0033] In summary, by setting up high-altitude pruning shears for trees, the steel wire rope 26 can be pulled by an electric push rod, driving the second blade 22 to work with the first blade 21 to cut branches, making branch cutting easier. At the same time, the saw teeth 23 can be used to cut branches that are difficult to cut.

[0034] The device is modular, making it suitable not only for pruning branches at heights but also easy to assemble and disassemble, making it convenient for workers to use.

Claims

1. A type of aerial pruning shears for trees, comprising a blade holder (1), characterized in that, A shearing mechanism (2) is provided on the knife holder (1), which facilitates high-altitude pruning of trees; A drive mechanism (3) is provided at the bottom of the shearing mechanism (2), and the drive mechanism (3) facilitates the driving of the shearing mechanism (2); The shearing mechanism (2) includes a first blade (21), a second blade (22), serrations (23), and a reset assembly (24). The first blade (21) is fixedly mounted on the blade holder (1), and the second blade (22) is hinged to the first blade (21). The first blade (21) has serrations (23) on its back. The reset assembly (24) is located between the blade holder (1) and the second blade (22). The bottom of the tool holder (1) is fixedly installed with a first connecting seat (28), and a pulley (27) is installed at one end of the tool holder (1). The reset assembly (24) includes a first connecting shaft (241), a second connecting shaft (242), and a spring (243). The first connecting shaft (241) is fixedly installed on the side wall of the second cutter body (22), and the second connecting shaft (242) is fixedly installed on the top of the cutter holder (1). The spring (243) is connected between the first connecting shaft (241) and the second connecting shaft (242). A first nut (244) is threaded on the first connecting shaft (241), and a second nut (245) is threaded on the second connecting shaft (242). The bottom of the tool holder (1) is provided with a connecting rod (29), the bottom of the connecting rod (29) is fixedly installed with a first connector (291), the top of the connecting rod (29) is fixedly installed with a second connector (292), and the second connector (292) is threadedly connected to the first connecting seat (28). The second blade body (22) has a connecting block (25) and a guide ring (251) fixedly installed on its side wall. A steel wire rope (26) is connected to the connecting block (25). A plug (261) is fixedly installed at the other end of the steel wire rope (26). The steel wire rope (26) passes through the guide ring (251), pulley (27), first connecting seat (28) and connecting rod (29) in sequence. The drive mechanism (3) includes a support tube (31), an electric push rod (32) and a bolt (36). The electric push rod (32) is installed inside the support tube (31). The first connector (291) is inserted into the top of the support tube (31). The support tube (31) and the first connector (291) are connected by bolts (36). The output end of the electric push rod (32) is equipped with a second connecting seat (33), and a third connecting shaft (34) is fixedly installed on the second connecting seat (33). The plug (261) is inserted into the third connecting shaft (34), and a third nut (35) is threaded on the third connecting shaft (34). A battery holder (38) is fixedly installed at the bottom of the support tube (31). A bottom cover (381) is threaded onto the bottom of the battery holder (38). A switch button (37) is installed on the side wall of the support tube (31). The battery holder (38) is electrically connected to the switch button (37). The switch button (37) is electrically connected to the electric push rod (32).

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