High-altitude pruning equipment for forestry maintenance

Abstract

The utility model discloses high-altitude pruning equipment for forestry maintenance, which comprises a telescopic rod component, a pruning mechanism for pruning high-altitude branches is fixedly mounted at the top end of the telescopic rod component, the pruning mechanism comprises a hydraulic cylinder frame and a shear knife rest fixedly arranged at the top end of the hydraulic cylinder frame, and a shear component is fixedly mounted at the top end of the shear knife rest. The high-altitude pruning equipment for forestry maintenance is characterized in that a shear component is arranged on the upper portion of the shear knife rest in a sliding mode, a clipper piece is arranged on the inner side of the shear knife rest in a sliding mode, clipper protruding blocks are fixedly arranged on the two sides of the top end of the clipper piece, the clipper protruding blocks are arranged on the shear component, and an electric control hydraulic cylinder is fixedly installed in the middle of the shear knife rest. By means of the pushing and clamping shearing mode, pruning is smoother and more stable, pruning is labor-saving and efficient, operation is easy, telescopic adjustment can be flexibly conducted according to the height of tree lateral branches, and the pruning device is suitable for pruning of tree lateral branches of different heights and is integrally light, portable, practical and low in failure rate.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry maintenance, in particular to a high-altitude pruning device for forestry maintenance. Background Art

[0002] In order to make the growth of trees more stylish and beautiful, forestry workers will regularly prune the side branches of trees. Since some landscape trees are relatively tall, high-altitude pruning equipment is needed for auxiliary pruning. The high-altitude pruning equipment commonly found on the market is mainly composed of a telescopic rod and a scissors head. The scissors head is driven by a motor or a pull rope to prune the side branches of trees. For example, an automatic high-altitude pruning device with application number CN201720228459.6 includes high-altitude shears, an automatic pruning mechanism and a telescopic rod. The high-altitude shears include a scissors frame, a scissors handle and a scissors head. A first shaft is provided at one end of the scissors handle, and both ends of the first shaft pass through the scissors frame and the scissors head respectively. The above common types of high-altitude pruning devices still have the following deficiencies in actual applications:

[0003] Driven by a motor or a pull rope, the scissor heads are clamped together to complete the pruning of high-altitude branches. The resistance during cutting is large, which is particularly obvious when pruning thick side branches. The pruning efficiency is low and the failure rate is high. Utility Model Content

[0004] The utility model aims to provide a high-altitude pruning device for forestry maintenance, so as to solve the problems of low pruning efficiency and high failure rate of the existing high-altitude pruning devices mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-altitude pruning equipment for forestry maintenance, comprising a telescopic rod assembly, a pruning mechanism for high-altitude branch pruning is fixedly installed on the top of the telescopic rod assembly, the pruning mechanism comprises a hydraulic cylinder frame and a shearing tool frame fixedly arranged on the top of the hydraulic cylinder frame, a scissors assembly is fixedly installed on the top of the shearing tool frame, a shearing piece is slidably arranged on the inner side of the shearing tool frame, and shearing protrusions are fixedly arranged on both sides of the top of the shearing piece, and the shearing protrusions are arranged on the scissors assembly, an electric-controlled hydraulic cylinder is fixedly installed in the middle of the shearing tool frame, the telescopic end of the electric-controlled hydraulic cylinder is fixedly arranged at the bottom of the shearing piece, and a power supply assembly is fixedly installed on the bottom end of the telescopic rod assembly.

[0006] Preferably, the scissors assembly includes a central axis and two carbon steel scissor heads mounted on the central axis, the central axis is fixedly mounted on the shearing tool holder, the bottoms of the two carbon steel scissor heads are each provided with an arc-shaped push hole, and the two shearing protrusions are respectively arranged on the inner sides of the two arc-shaped push holes; pruning is smooth and efficient.

[0007] Preferably, the telescopic rod assembly includes a bottom support tube and a threaded locking cylinder fixedly arranged at the top end of the bottom support tube, a tightening sleeve is fixedly arranged on the inner side of the top end of the threaded locking cylinder, a telescopic tube is arranged on the inner side of the tightening sleeve, a locking sleeve is arranged on the outer sleeve of the telescopic tube, and the locking sleeve matches the threaded locking cylinder; it is suitable for pruning branches of different heights and has a wide range of applications.

[0008] Preferably, an assembly insert is fixedly provided at the top end of the telescopic tube, and a locking cylinder is fixedly provided at the bottom end of the hydraulic cylinder frame. Both sides of the locking cylinder are threadedly connected with locking bolts, and one end of the locking bolt extends to the interior of the assembly insert; the length can be adjusted quickly, and it is stable and reliable after locking.

[0009] Preferably, the diameter of the bottom support tube is larger than the diameter of the telescopic tube; the support rod can be retracted when not in use for easy carrying.

[0010] Preferably, the power supply assembly includes a non-slip handle and a lithium battery cell fixedly installed inside the non-slip handle, and a charging interface is fixedly installed at the bottom end of the non-slip handle, and the charging interface is electrically connected to the lithium battery cell; it is easy to carry and use.

[0011] Preferably, a power switch is fixedly mounted on the surface of the anti-slip handle, and the electric-controlled hydraulic cylinder is connected to the lithium battery via the power switch in an energy-saving manner; the operation is simple and the pruning control is flexible.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The high-altitude pruning equipment is driven by a hydraulic cylinder. It uses a push-clamp and shear method to make pruning smoother and more stable. Pruning is labor-saving and efficient, and the operation is simple. It can be flexibly telescoped and adjusted according to the height of the tree's side branches. It is suitable for pruning the side branches of trees at different heights. The overall device is light, portable, practical, and has a low failure rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the high-altitude pruning equipment of the utility model;

[0015] Figure 2 This is a structural schematic diagram of the pruning mechanism of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the telescopic rod assembly of the utility model;

[0017] Figure 4 It is an enlarged view of part A of the utility model.

[0018] In the figure: 1. bottom support tube; 2. telescopic tube; 3. pruning mechanism; 31. locking cylinder; 32. hydraulic cylinder frame; 33. electric hydraulic cylinder; 34. locking bolt; 35. shearing knife holder; 36. shearing piece; 37. shearing bump; 38. carbon steel shear head; 39. center axis; 310. arc-shaped push hole; 4. non-slip handle; 5. power switch; 6. locking sleeve; 7. lithium battery cell; 8. charging port; 9. threaded locking cylinder; 10. extrusion sleeve; 11. assembly insert. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 The utility model provides a high-altitude pruning equipment for forestry maintenance, including a telescopic rod assembly, a pruning mechanism 3 for high-altitude branch pruning is fixedly installed on the top of the telescopic rod assembly, the pruning mechanism 3 includes a hydraulic cylinder frame 32 and a shearing tool frame 35 fixedly arranged on the top of the hydraulic cylinder frame 32, a scissors assembly is fixedly installed on the top of the shearing tool frame 35, a shearing member 36 is slidably arranged on the inner side of the shearing tool frame 35, and shearing protrusions 37 are fixedly arranged on both sides of the top of the shearing member 36, and the shearing protrusions 37 are arranged on the scissors assembly, an electric-controlled hydraulic cylinder 33 is fixedly installed in the middle of the shearing tool frame 35, and the telescopic end of the electric-controlled hydraulic cylinder 33 is fixedly arranged at the bottom of the shearing member 36, and a power supply assembly is fixedly installed at the bottom of the telescopic rod assembly.

[0021] See also Figure 1 , Figure 2 and Figure 4 Further, the scissor assembly includes a central shaft 39 and two carbon steel scissor heads 38 mounted on the central shaft 39, the central shaft 39 is fixedly mounted on the shearing tool holder 35, the bottoms of the two carbon steel scissor heads 38 are each provided with an arc-shaped push hole 310, and two push-shear protrusions 37 are respectively arranged on the inner sides of the two arc-shaped push holes 310;

[0022] When in use, the branch to be cut is placed between the two carbon steel scissor heads 38, and the electric-controlled hydraulic cylinder 33 is extended to push the shearing member 36 to slide upward on the inner side of the shearing tool holder 35. During the upward movement of the shearing member 36, the shearing protrusion 37 will slide on the inner side of the arc-shaped pushing hole 310, thereby pushing the carbon steel scissor heads 38 to rotate around the central axis 39 to clamp the branches, and the shearing is completed. After the shearing is completed, the electric-controlled hydraulic cylinder 33 is reset, and the next pruning can be carried out in the same way.

[0023] See also Figure 1 and Figure 2Further, the telescopic rod assembly includes a bottom support tube 1 and a threaded locking cylinder 9 fixedly arranged at the top of the bottom support tube 1, a squeeze sleeve 10 is fixedly arranged on the inner side of the top of the threaded locking cylinder 9, a telescopic tube 2 is arranged on the inner side of the squeeze sleeve 10, a locking sleeve 6 is sleeved on the outside of the telescopic tube 2, and the locking sleeve 6 matches the threaded locking cylinder 9, an assembly insert 11 is fixedly arranged at the top of the telescopic tube 2, a sleeve locking cylinder 31 is fixedly arranged at the bottom end of the hydraulic cylinder frame 32, both sides of the sleeve locking cylinder 31 are threadedly connected with locking bolts 34, one end of the locking bolt 34 extends to the inside of the assembly insert 11, and the diameter of the bottom support tube 1 is larger than the diameter of the telescopic tube 2;

[0024] When in use, before pruning, first loosen the locking sleeve 6, hold the telescopic tube 2 and straighten it to a suitable length, then tighten the locking sleeve 6 on the threaded locking cylinder 9 again. During the locking process of the locking sleeve 6, the squeezing sleeve 10 will be squeezed and contracted to hold the inner telescopic tube 2 tightly, thereby fixing the telescopic tube 2. It can be flexibly adjusted according to the height of pruning, and has a wide range of applications.

[0025] See also Figure 1 and Figure 3 Further, the power supply assembly includes an anti-slip grip 4 and a lithium battery cell 7 fixedly installed inside the anti-slip grip 4, a charging interface 8 is fixedly installed at the bottom end of the anti-slip grip 4, and the charging interface 8 is electrically connected to the lithium battery cell 7, a power switch 5 is fixedly installed on the surface of the anti-slip grip 4, and the electric-controlled hydraulic cylinder 33 is electrically connected to the lithium battery cell 7 through the power switch 5;

[0026] When in use, the bottom support tube 1 and the telescopic tube 2 are hollow inside, and the wires are placed inside the bottom support tube 1 and the telescopic tube 2. When pruning is required, press the power switch 5, and the electric-controlled hydraulic cylinder 33 extends to complete the pruning of the branches. Release the power switch 5, and the electric-controlled hydraulic cylinder 33 resets.

[0027] When the embodiment of the present application is in use: hold the non-slip handle 4, place the branch to be cut between the two carbon steel scissor heads 38, press and hold the power switch 5, at this time the electric-controlled hydraulic cylinder 33 extends, pushing the shearing member 36 to slide upward on the inner side of the shearing tool holder 35, and during the upward movement of the shearing member 36, the shearing protrusion 37 will slide on the inner side of the arc-shaped pushing hole 310, thereby pushing the carbon steel scissor heads 38 to rotate around the central axis 39 to clamp, thereby achieving the shearing of the branch, after releasing the power switch 5, the electric-controlled hydraulic cylinder 33 is reset, and then the next pruning operation can be carried out.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-altitude pruning equipment for forestry maintenance, comprising a telescopic rod assembly, characterized in that: A pruning mechanism (3) for high-altitude branch pruning is fixedly installed at the top of the telescopic rod assembly. The pruning mechanism (3) comprises a hydraulic cylinder frame (32) and a shearing knife frame (35) fixedly arranged at the top of the hydraulic cylinder frame (32). A scissors assembly is fixedly installed at the top of the shearing knife frame (35). A shearing pusher (36) is slidably arranged inside the shearing knife frame (35). Both sides of the top of the shearing pusher (36) are fixedly arranged with shearing pushers (37). The shearing pushers (37) are arranged on the scissors assembly. An electric-controlled hydraulic cylinder (33) is fixedly installed in the middle of the shearing knife frame (35). The telescopic end of the electric-controlled hydraulic cylinder (33) is fixedly arranged at the bottom of the shearing pusher (36). A power supply assembly is fixedly installed at the bottom of the telescopic rod assembly.

2. The high-altitude pruning equipment for forestry maintenance according to claim 1, characterized in that: The scissor assembly comprises a central shaft (39) and two carbon steel scissor heads (38) mounted on the central shaft (39); the central shaft (39) is fixedly mounted on a shearing tool holder (35); arc-shaped push holes (310) are provided at the bottom of the two carbon steel scissor heads (38); and the two push-shear protrusions (37) are respectively arranged on the inner sides of the two arc-shaped push holes (310).

3. The high-altitude pruning equipment for forestry maintenance according to claim 1 is characterized in that: The telescopic rod assembly comprises a bottom support tube (1) and a threaded locking cylinder (9) fixedly arranged at the top end of the bottom support tube (1); a compression sleeve (10) is fixedly arranged on the inner side of the top end of the threaded locking cylinder (9); a telescopic tube (2) is arranged on the inner side of the compression sleeve (10); a locking sleeve (6) is arranged on the outer side of the telescopic tube (2); and the locking sleeve (6) matches the threaded locking cylinder (9).

4. The high-altitude pruning equipment for forestry maintenance according to claim 3 is characterized in that: An assembly insert (11) is fixedly provided at the top end of the telescopic tube (2), and a locking cylinder (31) is fixedly provided at the bottom end of the hydraulic cylinder frame (32). Both sides of the locking cylinder (31) are threadedly connected with locking bolts (34), and one end of the locking bolt (34) extends into the interior of the assembly insert (11).

5. The high-altitude pruning equipment for forestry maintenance according to claim 3 is characterized in that: The diameter of the bottom support tube (1) is greater than the diameter of the telescopic tube (2).

6. The high-altitude pruning equipment for forestry maintenance according to claim 1, characterized in that: The power supply assembly comprises an anti-slip handle (4) and a lithium battery cell (7) fixedly mounted inside the anti-slip handle (4); a charging interface (8) is fixedly mounted at the bottom end of the anti-slip handle (4); and the charging interface (8) is electrically connected to the lithium battery cell (7).

7. The high-altitude pruning equipment for forestry maintenance according to claim 6, characterized in that: A power switch (5) is fixedly mounted on the surface of the anti-slip handle (4), and the electric-controlled hydraulic cylinder (33) is electrically connected to the lithium battery (7) via the power switch (5).

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