Pruning device for high trees under line

Abstract

The utility model discloses a pruning device for high trees under a line, which relates to the technical field of pruning of branches under high-voltage lines and comprises an electric shear, a multi-section extension pipe, a splicing block, a remote control module, a triangular support frame and a lifting fork. The multi-section extension pipe comprises a plurality of connecting pipes, the multi-section extension pipe is composed of a plurality of connecting pipes, and the connecting pipes are respectively made of two materials, namely a hollow resin pipe which is made of resin and has an insulation effect and a titanium alloy pipe made of standard titanium alloy. Wherein only one hollow resin pipe is arranged in the connecting pipes, the other connecting pipes are titanium alloy pipes, the triangular supporting frame is matched with the multi-section extension pipe to work, a user can shear branches with the height of more than ten meters without climbing, the working efficiency of the user can be improved, and the working efficiency of the user is improved. According to the device, the hollow resin pipes are arranged in the multi-section extension pipe, so that the safety of the device when the device works near a high-voltage line is improved, and accidents are avoided.

Description

Technical Field

[0001] This utility model relates to the field of tree branch pruning technology under high-voltage power lines, specifically a tree branch pruning device for tall trees under power lines. Background Technology

[0002] Most high-voltage power transmission in my country uses overhead steel-cored aluminum stranded bare wire AC power transmission technology. The distance between high-voltage lines and buildings, roads, and trees is subject to mandatory safety standards. If the distance is lower than the safety standards, in rainy weather, the high-voltage electricity may break down the air and discharge to the ground. This can cause minor issues such as activating the circuit protection system and interrupting the power transmission, or more serious issues such as casualties or fires.

[0003] Therefore, regular inspections of overhead power lines are essential for power generation and distribution companies. If, during inspections, trees are found to be growing too rapidly and their tops are less than the standard safe distance from the high-voltage line, appropriate measures should be taken immediately. The simplest and most direct method is to cut them down. However, the ownership of the trees and the power lines is often not shared by the same entity, and compensation negotiations and related forestry procedures require time. Costs vary significantly depending on the region and the economic value of the trees. Therefore, this factor has been considered in the line design, with lines already tens of meters above the ground. However, tree growth is dynamic, and some lines, due to their long operating history, experience further growth. If trees continue to grow, they may exceed the standard. Once the standard is exceeded, the height of such trees can reach more than ten meters. If such trees are found during inspections, their branches need to be pruned. However, since the pruning area is more than ten meters high, it is not only difficult for inspection personnel to climb such trees, but also poses a great risk. At the same time, when pruning such trees, the inspection personnel also need to pay attention to the risk of discharge from high-voltage lines because the trees are close to them. Therefore, it is necessary to design a device that can be operated on the ground, only pruning the branches that exceed the standard, and has leakage protection function. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model proposes the following technical solution:

[0005] A tree pruning device for tall trees under power lines includes electric shears, multi-section extension tubes, splicing blocks, a remote control module, a triangular support frame, and a lifting fork.

[0006] Furthermore, the electric shears are used to perform shearing tasks; the multi-section extension tube includes multiple connecting tubes, the multi-section extension tube is composed of multiple connecting tubes, one end of the connecting tube is provided with an external thread, the other end of the connecting tube is provided with an internal thread, the connecting tubes are assembled by the engagement of the internal and external threads when forming the multi-section extension tube, the connecting tubes are made of two materials, one is a hollow resin tube with insulating effect made of resin, and the other is a titanium alloy tube made of standard titanium alloy, wherein there is only one hollow resin tube among the multiple connecting tubes, while the remaining connecting tubes are titanium alloy tubes.

[0007] Furthermore, the electric shears include a shear handle, electric shears, a shear switch, and a lithium battery. The shear handle is snapped into the lithium battery, which provides power to the electric shears. The electric shears are located at the end of the shear handle away from the lithium battery and are used to cut branches. The shear handle is also equipped with a shear switch, which controls the start of the electric shears. When the shear switch is turned, the electric shears begin to close, thereby pruning the branches.

[0008] Furthermore, the splicing block consists of two aluminum clamps and multiple bolts. The splicing block is used to form a device for connecting the electric shears and the multi-section extension tube. During use, the splicing block is fixedly connected to both the electric shears and the multi-section extension tube.

[0009] Furthermore, the remote control module is mounted on the splicing block. The remote control module includes a micro motor and a support base. A drive worm gear is fixedly mounted on the output shaft of the micro motor. A rotating shaft is rotatably mounted on the support base. A rotating worm wheel is fixedly mounted on one end of the rotating shaft, and an eccentric cam is fixedly mounted on the other end of the rotating shaft. The rotating worm wheel meshes with the drive worm gear, and the eccentric cam is used to control whether the electric shears are working.

[0010] Furthermore, the triangular support frame includes multiple support tubes, a base frame, and a nylon roller. The base frame is rotatably connected to the nylon roller. When working, the nylon roller contacts the outer surface of the multiple extension tubes. The nylon roller is used to facilitate the user to drag the multiple extension tubes for adjustment. The base frame has a support tube at the bottom, which is connected to the base frame by bolts. The nylon roller is made of thin-walled stainless steel tube.

[0011] Furthermore, the lifting fork is used to lift the multi-section extension tube and move it onto the triangular support frame. One end of the lifting fork is equipped with a scissor-type plug. When in use, the end of the lifting fork with the plug is locked onto the multi-section extension tube. The user pushes the assembled multi-section extension tube onto the nylon roller in the triangular support frame using the lifting fork.

[0012] Compared with the prior art, the advantages of this utility model are: (1) This device works by using a triangular support frame in conjunction with multiple extension tubes, allowing users to cut branches that are more than ten meters high without having to climb to a high place. This not only improves the user's work efficiency but also reduces the user's work intensity; (2) This device improves the safety of the device when working near high-voltage lines by setting hollow resin tubes in multiple extension tubes, thus avoiding accidents. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the assembled structure of the electric shears, multi-section extension tubes, and splicing blocks of this utility model.

[0015] Figure 3 This is a schematic diagram of the drive worm gear structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the eccentric cam structure of this utility model.

[0017] Figure 5 This is a schematic diagram of the triangular support frame structure of this utility model.

[0018] Figure 6 This is a schematic diagram of the nylon roller structure of this utility model.

[0019] Figure 7 This is a schematic diagram of the lifting fork structure of this utility model.

[0020] Figure 8 This is a schematic diagram of the connecting pipe structure of this utility model.

[0021] Figure 9 This is a schematic diagram of the assembled structure of the electric shears, multi-section extension tube, and triangular support frame of this utility model.

[0022] Figure 10 This is a schematic diagram of the operation of this utility model under high-voltage lines.

[0023] Reference numerals: 10-Electric shears; 20-Multi-section extension tube; 30-Splicing block; 40-Remote control module; 50-Triangular support frame; 60-Lifting fork; 101-Scissor handle; 102-Electric shears; 103-Scissor switch; 104-Lithium battery; 201-Connecting tube; 401-Micro motor; 402-Drive worm gear; 403-Rotating worm wheel; 404-Support base; 405-Eccentric cam; 501-Support tube; 502-Base frame; 503-Nylon roller. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] like Figure 1 As shown, a tree pruning device under a power line includes an electric shear 10, a multi-section extension tube 20, a splicing block 30, a remote control module 40, a triangular support frame 50, and a lifting fork 60.

[0026] like Figures 1 to 4 As shown, the electric shears 10 are used to perform cutting tasks. The electric shears 10 include a shear handle 101, electric shears 102, a shear switch 103, and a lithium battery 104. The shear handle 101 is snapped into the lithium battery 104, which provides power to the electric shears 10. The electric shears 102 are located at the end of the shear handle 101 away from the lithium battery 104. The electric shears 102 are used to cut branches. The shear handle 101 is also equipped with a shear switch 103, which controls the start of the electric shears 10. When the shear switch 103 is turned, the electric shears 102 begin to close, thereby pruning the branches.

[0027] like Figure 1 , Figure 2 and Figure 8 As shown in Figure 10, the multi-section extension tube 20 includes multiple connecting tubes 201. The multi-section extension tube 20 is composed of multiple 4-meter-long connecting tubes 201 for easy transportation. One end of each connecting tube 201 has an external thread, and the other end has an internal thread. The connecting tubes 201 are assembled into the multi-section extension tube 20 through the engagement of their internal and external threads. Two or more connecting tubes 201 are assembled into a single multi-section extension tube 20 through threaded engagement. This facilitates adjustment of the length of the multi-section extension tube 20. According to common needs, multi-section extension tubes are generally... The pipe 20 has several combined lengths of 8 meters, 12 meters, and 16 meters. The connecting pipe 201 is made of two materials: one is a hollow resin pipe with insulating properties, and the other is a titanium alloy pipe made of standard titanium alloy. Only one of the connecting pipes 201 is a hollow resin pipe, while the rest are titanium alloy pipes. During installation, the pipe that comes into contact with the splicing block 30 must be a hollow resin pipe. This is for safety reasons, to prevent the scissors from getting too close to the high-voltage line and causing induced voltage that could injure the operator.

[0028] like Figures 2 to 5As shown, the splicing block 30 consists of two aluminum clamps and multiple bolts. The splicing block 30 is used to form a device connecting the electric shear 10 and the multi-section extension tube 20. When in use, the splicing block 30 is fixedly connected to both the electric shear 10 and the multi-section extension tube 20. During assembly, the splicing block 30 is fixed to the head of the multi-section extension tube 20.

[0029] like Figures 2 to 4 As shown, the remote control module 40 is mounted on the aluminum clamp in the splicing block 30. The remote control module 40 includes a micro motor 401 and a support base 404. The micro motor 401 is fixedly connected to the aluminum clamp in the splicing block 30, and the support base 404 is fixedly connected to the aluminum clamp in the splicing block 30. A drive worm gear 402 is fixedly mounted on the output shaft of the micro motor 401. A rotating shaft is rotatably mounted on the support base 404. A rotating worm wheel 403 is fixedly mounted on one end of the rotating shaft, and an eccentric cam 405 is fixedly mounted on the other end of the rotating shaft. The rotating worm wheel 403 meshes with the drive worm gear 402. The eccentric cam 405 contacts the scissor switch 103 in the electric scissors 10, and the eccentric cam 405 drives the scissor switch 103 to rotate. When the eccentric cam 405 rotates, it will... The scissor switch 103 controls the start of the electric shears 10. Due to the eccentric structure of the eccentric cam 405, when the small outer diameter arc segment on the surface of the eccentric cam 405 contacts the scissor switch 103 on the electric shears 10, the electric shears 10 are in a free state and the electric shears 102 do not work. When the large outer diameter arc segment on the surface of the eccentric cam 405 contacts the scissor switch 103 on the electric shears 10, the scissor switch 103 on the electric shears 10 is in a compressed state, the electric shears 10 start working, and then the electric shears 102 begin to close and cut the branches. If the eccentric cam 405 keeps rotating, then the electric shears 102 will keep repeating the opening and closing operation. The remote control module 40 also includes a remote control device, which is used to control the start and stop of the micro motor 401. When the user presses the remote control device, the micro motor 401 will start.

[0030] like Figure 1 , Figure 5 , Figure 6 , Figure 9As shown, the triangular support frame 50 includes multiple support tubes 501, a base frame 502, and a nylon roller 503. The base frame 502 is rotatably connected to the nylon roller 503. During operation, the nylon roller 503 contacts the outer surface of the multi-section extension tube 20. The nylon roller 503 facilitates user adjustment by dragging the multi-section extension tube 20, thus allowing the electric shears 10 to trim branches of different heights. Side wings are provided on both sides of the nylon roller 503 to prevent the multi-section extension tube 20 from falling off. Support tubes 501 are located at the bottom of the base frame 502. The support tube 501 is connected to the base frame 502 by bolts. Three support tubes are provided at the bottom of the base frame 502. The nylon roller 503 is made of stainless steel thin-walled tube. When this device is in use, after the triangular support frame 50 is assembled, it stands on the ground through the support tube 501. After the user assembles the electric shears 10, the multi-section extension tube 20 and the splicing block 30, the multi-section extension tube 20 can be placed on the nylon roller 503 in the triangular support frame 50. The user can change the cutting position of the electric shears 10 by pushing and pulling the multi-section extension tube 20.

[0031] like Figure 7 As shown, the lifting fork 60 is used to lift the multi-section extension tube 20 and move it to the nylon roller 503 in the triangular support frame 50. One end of the lifting fork 60 is provided with a scissor-type plug. When in use, the end of the lifting fork 60 with the plug is locked onto the multi-section extension tube 20. The user pushes the assembled multi-section extension tube 20 to the nylon roller 503 in the triangular support frame 50 by the lifting fork 60. This makes it convenient to use the triangular support frame 50 and the multi-section extension tube 20.

[0032] The primary purpose of this device is to prune taller tree branches. The assembly process is as follows: First, assemble the electric shears 10, the multi-section extension tube 20, and the splicing block 30. Remove the hollow resin tube from the multi-section extension tube 20 and place it between two aluminum clamps. Simultaneously, place the shear handle 101 of the electric shears 10 into the aluminum clamps and secure it with bolts. When installing the electric shears 10, pay attention to the positional relationship between the eccentric cam 405 and the shear switch 103. Initially, the eccentric cam 405 does not press against the shear switch 103. If additional multi-section extension tubes are needed later... If the length is 20, then the connecting pipe 201 of the titanium alloy pipe can be used for extension. After extending to the required length, the triangular support frame 50 can be assembled. The support pipe 501 is connected to the base frame 502 with bolts. Then, the support pipe 501 is opened and brought into contact with the ground, thus fixing the triangular support frame 50 to the ground. The position of the triangular support frame 50 on the ground can be moved according to the location of different trees. Depending on the site conditions and needs, the three support pipes 501 are spread open to form a certain angle with the ground, generally 45 degrees to 60 degrees. The center line of the nylon roller 503 on the base frame 502 is horizontal. At this time, the device is in the following state: Figure 9 The state shown.

[0033] When pruning trees, the user first obtains the remote control device. Then, the user uses the plug on the lifting fork 60 to send the multi-section extension tube 20 onto the support tube 501. After the operator places the end of the assembled multi-section extension tube 20 equipped with the electric shears 10 onto the nylon roller, they can grasp the other end of the multi-section extension tube 20 and push it forward and upward, adjusting the forward movement and angle. This completes the preparatory work for pruning. At this point, the device is ready for pruning. Figure 1 The state shown.

[0034] During pruning, the user only needs to align the electric shears 102 in the electric shears 10 with the branch to be pruned, and then press the remote control device to start the micro motor 401. After that, the eccentric cam 405 will press the shear switch 103 to rotate, thereby closing the electric shears 102 to carry out the pruning work. When pruning another branch, the user can adjust the position of the electric shears 10 by moving one end of the multi-section extension tube 20. This allows the operator to prune branches without using a ladder or climbing the tree. At the same time, the hollow resin tube on the connecting tube 201 improves the safety of pruning branches near high-voltage lines. As shown in the figure of the electric shears 10, when this device is working under high-voltage lines, the electric shears 10, the branches and the high-voltage lines are closest to each other.

[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A tree pruning device under a power line, characterized in that: Includes electric shears (10), multi-section extension tubes (20), splicing blocks (30), remote control module (40), triangular support frame (50), and lifting fork (60); The electric shears (10) are used to perform shearing tasks; The multi-section extension tube (20) includes multiple connecting tubes (201). The multi-section extension tube (20) is composed of multiple connecting tubes (201). One end of the connecting tube (201) is provided with an external thread, and the other end of the connecting tube (201) is provided with an internal thread. The connecting tubes (201) are assembled by the engagement of the internal and external threads when forming the multi-section extension tube (20). The connecting tubes (201) are made of two materials: one is a hollow resin tube with insulating effect made of resin, and the other is a titanium alloy tube made of standard titanium alloy. There is only one hollow resin tube among the multiple connecting tubes (201), while the remaining connecting tubes (201) are titanium alloy tubes.

2. The tree pruning device under a power line according to claim 1, characterized in that: The electric shears (10) include a shear handle (101), electric shears (102), a shear switch (103), and a lithium battery (104). The shear handle (101) is snapped into the lithium battery (104), which provides power to the electric shears (10). The electric shears (102) are located at the end of the shear handle (101) away from the lithium battery (104). The electric shears (102) are used to cut branches. The shear handle (101) is also equipped with a shear switch (103), which controls the start of the electric shears (10). When the shear switch (103) is turned, the electric shears (102) begin to close, thereby pruning the branches.

3. The tree pruning device under a power line according to claim 1, characterized in that: The splicing block (30) consists of two aluminum clamps and multiple bolts. The splicing block (30) is used to form a device for connecting the electric shears (10) and the multi-section extension tube (20). When in use, the splicing block (30) is fixedly connected to both the electric shears (10) and the multi-section extension tube (20).

4. The tree pruning device under a power line according to claim 1, characterized in that: The remote control module (40) is set on the splicing block (30). The remote control module (40) includes a micro motor (401) and a support base (404). A drive worm gear (402) is fixedly installed on the output shaft of the micro motor (401). A rotating shaft is rotatably installed on the support base (404). A rotating worm wheel (403) is fixedly installed at one end of the rotating shaft. An eccentric cam (405) is fixedly installed at the other end of the rotating shaft. The rotating worm wheel (403) meshes with the drive worm gear (402). The eccentric cam (405) is used to control whether the electric shears (10) are working.

5. The tree pruning device under a power line according to claim 1, characterized in that: The triangular support frame (50) includes multiple support tubes (501), a base frame (502), and a nylon roller (503). The base frame (502) is rotatably connected to the nylon roller (503). When working, the nylon roller (503) contacts the outer surface of the multiple extension tubes (20). The nylon roller (503) is used to facilitate the user to drag the multiple extension tubes (20) for adjustment. The base frame (502) is provided with a support tube (501) at the bottom. The support tube (501) is connected to the base frame (502) by bolts. The nylon roller (503) is made of stainless steel thin-walled tube.

6. The tree pruning device under a power line according to claim 1, characterized in that: The lifting fork (60) is used to lift the multi-section extension tube (20) and move it to the triangular support frame (50). One end of the lifting fork (60) is provided with a scissor-type plug. When in use, the lifting fork (60) will lock the end with the plug into the multi-section extension tube (20). The user pushes the assembled multi-section extension tube (20) to the nylon roller (503) in the triangular support frame (50) through the lifting fork (60).

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