Disclosure of Invention
In order to overcome the defects that people usually shake branches directly to shake snow off, the hands of people need to shake continuously for a long time, the time is long, the labor is great, and the people are easy to be injured by falling snow when standing under trees, the invention has the technical problems that: the garden branch snow shaking-off machine can more conveniently shake off the branch snow by people, is labor-saving, does not need to stand under a tree, and is not easily injured by falling snow.
The utility model provides a gardens branch snow shake-off machine, including the stock, the first in command, the hook, torque spring, the contact plate, the mounting panel, first guide pin bushing, first guide arm, the contact wheel, the stopper, first spring and drive arrangement, the stock bottom is equipped with the first in command, stock top rotary type is connected with the hook, the hook is equipped with torque spring with the articulated department of stock, the hook left end is connected with the contact plate, stock left side upper portion is equipped with the mounting panel, the mounting panel left side is equipped with first guide pin bushing, first guide pin bushing inward sliding type is equipped with first guide arm, first guide arm top is equipped with the contact wheel, the contact wheel contacts with the contact plate, first guide arm bottom is equipped with the stopper, be connected with first spring between stopper top and the first guide pin bushing bottom, first spring housing is on first guide arm, be equipped with drive arrangement between stock and the first guide arm.
Further, the driving device comprises a first clamping rod, a second spring, a movable rod, a third spring and a movable handle, a first opening is formed in the middle of the right wall of the first guide sleeve, a second opening is formed in the upper portion of the left side of the long rod, the first clamping rod is arranged between the first opening and the second opening, the second spring is arranged on the first clamping rod, the tail end of the second spring is connected with the right side of the first guide sleeve, a first clamping groove is formed in the right side of the lower portion of the first guide rod, the first clamping rod is matched with the first clamping groove, a sliding hole is formed in the long rod, the movable rod is arranged in the sliding hole, a chute is formed in the upper portion of the left side of the movable rod, the chute is matched with the right end of the first clamping rod, a slot is formed in the lower portion of the right wall of the long rod, the slot is communicated with the inside of the sliding hole, the third spring is connected between the bottom end of the movable rod and the bottom of the sliding hole, the movable handle penetrates through the slot.
Further, the anti-falling device comprises an n-type guide rod, a second guide sleeve, an arc-shaped plate, a connecting rod, a sleeve, an arc-shaped fixture block and a fourth spring, the n-type guide rod is arranged on the upper portion of the right side of the long rod, the second guide sleeve is arranged on the lower portion of the n-type guide rod, the arc-shaped plate is arranged on the right side of the second guide sleeve, the connecting rod is arranged on the left side of the bottom of the arc-shaped plate, the sleeve is arranged on the lower portion of the outer side of the long rod, the right side of the top of the sleeve is fixedly connected with the bottom end of the connecting rod, first guide holes are formed in the lower portions of the left side and the right side of the sleeve, the arc-shaped fixture block is arranged in the first guide holes, the fourth spring is arranged between the outer sides of the arc-shaped fixture block and the inner sides of the left side and the right side of the long rod, and the inner ends of the arc-shaped fixture block are located in the two grooves.
Further, the telescopic rod further comprises a third guide rod, a fifth spring and a rubber plate, the upper portion of the left side of the long rod is provided with a third guide hole, the third guide hole is internally provided with the third guide rod, the fifth spring is connected between the right side of the third guide rod and the right side of the third guide hole, and the left end of the third guide rod is provided with the rubber plate.
Further, the telescopic rod further comprises a second clamping rod, a sixth spring, an L-shaped guide rod and a third guide sleeve, wherein a fourth guide hole is formed in the lower portion of the connecting rod, the second clamping rod is arranged in the fourth guide hole, two second clamping grooves are formed in the lower portion of the right side of the long rod, the left end of the second clamping rod is located in the second clamping grooves, the sixth spring is wound between the left portion of the second clamping rod and the lower portion of the left side of the connecting rod, the right end of the second clamping rod is rotatably connected with the third guide sleeve, the L-shaped guide rod is arranged in the third guide sleeve, and the lower portion of the outer left side of the L-shaped guide rod is rotatably connected with the upper portion of the right side of the sleeve.
The invention has the beneficial effects that: according to the invention, the tree branches are hooked by the hook, the long rod can be pulled to drive the hook to move so as to bend the tree branches, then the hook swings to loosen the tree branches through the driving device, the tree branches shake off snow due to elasticity, people do not need to shake the tree branches continuously, labor is saved, an operator can stand at a remote place to drop the snow through the action of the long rod, the phenomenon that the person is injured by the falling snow is avoided, and the tree branches are prevented from being separated from the hook through the anti-falling device so as to influence the shaking off of the snow.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
A garden branch accumulated snow shaking-off machine is shown in figure 1-2 and comprises a long rod 1, a first handle 2, a hook 3, a torsion spring 31, a contact plate 4, a mounting plate 5, a first guide sleeve 6, a first guide rod 7, a contact wheel 8, a limiting block 9, a first spring 10 and a driving device 11, wherein the first handle 2 is arranged at the bottom end of the long rod 1, the long rod 1 is connected with the first handle 2 in a welding connection mode, the hook 3 is rotatably connected to the top end of the long rod 1, the torsion spring 31 is arranged at the hinged part of the hook 3 and the long rod 1, the contact plate 4 is connected to the left end of the hook 3, the mounting plate 5 is arranged at the upper part of the left side of the long rod 1, the long rod 1 is connected with the mounting plate 5 in a welding connection mode, the first guide sleeve 6 is arranged at the left side of the mounting plate 5, the first guide sleeve 6 is internally provided with the first guide rod 7 in a sliding mode, the top end of the first guide rod 7 is provided with the contact wheel 8, and the contact wheel 8 is in contact with the contact plate 4, the bottom end of the first guide rod 7 is provided with a limiting block 9, the first guide rod 7 is connected with the limiting block 9 in a welding connection mode, a first spring 10 is connected between the top end of the limiting block 9 and the bottom end of the first guide sleeve 6, the first spring 10 is sleeved on the first guide rod 7, and a driving device 11 is arranged between the long rod 1 and the first guide rod 7.
Example 2
A garden branch accumulated snow shaking-off machine is shown in figure 1-2 and comprises a long rod 1, a first handle 2, a hook 3, a torsion spring 31, a contact plate 4, a mounting plate 5, a first guide sleeve 6, a first guide rod 7, a contact wheel 8, a limiting block 9, a first spring 10 and a driving device 11, wherein the bottom end of the long rod 1 is provided with the first handle 2, the top end of the long rod 1 is rotatably connected with the hook 3, the hinge joint of the hook 3 and the long rod 1 is provided with the torsion spring 31, the left end of the hook 3 is connected with the contact plate 4, the upper part of the left side of the long rod 1 is provided with the mounting plate 5, the left side of the mounting plate 5 is provided with the first guide sleeve 6, the first guide rod 7 is arranged in a sliding mode in the first guide sleeve 6, the top end of the first guide rod 7 is provided with the contact wheel 8, the contact wheel 8 is in contact with the contact plate 4, the bottom end of the first guide rod 7 is provided with the limiting block 9, the first spring 10 is connected between the top end of the limiting block 9 and the bottom end of the first guide sleeve 6, the first spring 10 is sleeved on the first guide rod 7, and a driving device 11 is arranged between the long rod 1 and the first guide rod 7.
The driving device 11 comprises a first clamping bar 113, a second spring 114, a movable bar 117, a third spring 1110 and a movable handle 1111, the middle part of the right wall of the first guide sleeve 6 is provided with a first open pore 111, the upper part of the left side of the long bar 1 is provided with a second open pore 112, the first clamping bar 113 is arranged between the first open pore 111 and the second open pore 112, the first clamping bar 113 is provided with the second spring 114, the tail end of the second spring 114 is connected with the right side of the first guide sleeve 6, the second spring 114 is connected with the first guide sleeve 6 by welding, the right side of the lower part of the first guide rod 7 is provided with a first clamping groove 115, the first clamping bar 113 is matched with the first clamping groove 115, the long bar 1 is provided with a sliding hole 116, the movable bar 117 is arranged in the sliding hole 116, the upper part of the left side of the movable bar 117 is provided with a chute 118, the chute 118 is matched with the right end of the first clamping bar 113, the lower part of the right wall of the long bar 1110 1 is provided with a slot 119, the slot 119 is communicated with the sliding hole 116, the third spring is connected between the bottom end of the movable bar 117 and the bottom of the sliding hole 116, the lower part of the right side of the movable rod 117 is provided with a movable handle 1111, the movable rod 117 is connected with the movable handle 1111 in a welding connection mode, and the movable handle 1111 penetrates through the open slot 119.
Example 3
A garden branch accumulated snow shaking-off machine is shown in figure 1-3 and comprises a long rod 1, a first handle 2, a hook 3, a torsion spring 31, a contact plate 4, a mounting plate 5, a first guide sleeve 6, a first guide rod 7, a contact wheel 8, a limiting block 9, a first spring 10 and a driving device 11, wherein the bottom end of the long rod 1 is provided with the first handle 2, the top end of the long rod 1 is rotatably connected with the hook 3, the hinge joint of the hook 3 and the long rod 1 is provided with the torsion spring 31, the left end of the hook 3 is connected with the contact plate 4, the upper part of the left side of the long rod 1 is provided with the mounting plate 5, the left side of the mounting plate 5 is provided with the first guide sleeve 6, the first guide rod 7 is arranged in a sliding mode in the first guide sleeve 6, the top end of the first guide rod 7 is provided with the contact wheel 8, the contact wheel 8 is in contact with the contact plate 4, the bottom end of the first guide rod 7 is provided with the limiting block 9, the first spring 10 is connected between the top end of the limiting block 9 and the bottom end of the first guide sleeve 6, the first spring 10 is sleeved on the first guide rod 7, and a driving device 11 is arranged between the long rod 1 and the first guide rod 7.
The driving device 11 comprises a first clamping bar 113, a second spring 114, a movable bar 117, a third spring 1110 and a movable handle 1111, wherein the middle part of the right wall of the first guide sleeve 6 is provided with a first open hole 111, the upper part of the left side of the long bar 1 is provided with a second open hole 112, the first clamping bar 113 is arranged between the first open hole 111 and the second open hole 112, the first clamping bar 113 is provided with the second spring 114, the tail end of the second spring 114 is connected with the right side of the first guide sleeve 6, the right side of the lower part of the first guide rod 7 is provided with a first clamping groove 115, the first clamping bar 113 is matched with the first clamping groove 115, the long bar 1 is provided with a sliding hole 116, the sliding hole 116 is arranged in the sliding hole 116, the movable bar 117 is arranged in the sliding hole 116, the upper part of the left side of the movable bar 117 is provided with a chute 118, the chute 118 is matched with the right end of the first clamping bar 113, the lower part of the right wall of the long bar 1 is provided with a notch 119, the notch 119 is communicated with the sliding hole 116, the bottom of the chute 119, the chute 119 is communicated with the bottom of the movable bar 117, the third spring 1110 is connected between the bottom of the movable bar 117, the movable bar 117 and the movable bar 1111, the movable handle 1111 passes through the slot 119.
The falling-off preventing device 12 comprises an n-type guide rod 121, a second guide sleeve 122, an arc-shaped plate 123, a connecting rod 124, a sleeve 125, an arc-shaped fixture block 127 and a fourth spring 128, wherein the n-type guide rod 121 is arranged at the upper part of the right side of the long rod 1, the long rod 1 is connected with the n-type guide rod 121 in a welding connection mode, the second guide sleeve 122 is arranged at the lower part of the n-type guide rod 121, the arc-shaped plate 123 is arranged at the right side of the second guide sleeve 122, the second guide sleeve 122 is connected with the arc-shaped plate 123 in a welding connection mode, the connecting rod 124 is arranged at the left side of the bottom of the arc-shaped plate 123, the sleeve 125 is arranged at the lower part of the outer side of the long rod 1, the right side of the top of the sleeve 125 is fixedly connected with the bottom end of the connecting rod 124, the sleeve 125 is connected with the connecting rod 124 in a welding connection mode, the lower parts of the left side and the right side of the sleeve 125 are respectively provided with a first guide hole 126, the arc-shaped fixture block 127 is arranged in the first guide hole 126, the fourth spring 128 is arranged between the outer side of the arc-shaped fixture block 127 and the inner side of the left side and the inner side of the first guide hole 126, the lower parts of the left side and the right side of the long rod 1 are provided with grooves 129, and the inner ends of the left arc-shaped fixture block 127 and the right arc-shaped fixture block 127 are positioned in the two grooves 129.
Example 4
A garden branch accumulated snow shaking-off machine is shown in figure 1-3 and comprises a long rod 1, a first handle 2, a hook 3, a torsion spring 31, a contact plate 4, a mounting plate 5, a first guide sleeve 6, a first guide rod 7, a contact wheel 8, a limiting block 9, a first spring 10 and a driving device 11, wherein the bottom end of the long rod 1 is provided with the first handle 2, the top end of the long rod 1 is rotatably connected with the hook 3, the hinge joint of the hook 3 and the long rod 1 is provided with the torsion spring 31, the left end of the hook 3 is connected with the contact plate 4, the upper part of the left side of the long rod 1 is provided with the mounting plate 5, the left side of the mounting plate 5 is provided with the first guide sleeve 6, the first guide rod 7 is arranged in a sliding mode in the first guide sleeve 6, the top end of the first guide rod 7 is provided with the contact wheel 8, the contact wheel 8 is, the first spring 10 is sleeved on the first guide rod 7, and a driving device 11 is arranged between the long rod 1 and the first guide rod 7.
The driving device 11 comprises a first clamping bar 113, a second spring 114, a movable bar 117, a third spring 1110 and a movable handle 1111, wherein the middle part of the right wall of the first guide sleeve 6 is provided with a first open hole 111, the upper part of the left side of the long bar 1 is provided with a second open hole 112, the first clamping bar 113 is arranged between the first open hole 111 and the second open hole 112, the first clamping bar 113 is provided with the second spring 114, the tail end of the second spring 114 is connected with the right side of the first guide sleeve 6, the right side of the lower part of the first guide rod 7 is provided with a first clamping groove 115, the first clamping bar 113 is matched with the first clamping groove 115, the long bar 1 is provided with a sliding hole 116, the sliding hole 116 is arranged in the sliding hole 116, the movable bar 117 is arranged in the sliding hole 116, the upper part of the left side of the movable bar 117 is provided with a chute 118, the chute 118 is matched with the right end of the first clamping bar 113, the lower part of the right wall of the long bar 1 is provided with a notch 119, the notch 119 is communicated with the sliding hole 116, the bottom of the chute 119, the chute 119 is communicated with the bottom of the movable bar 117, the third spring 1110 is connected between the bottom of the movable bar 117, the movable bar 117 and the movable bar 1111, the movable handle 1111 passes through the slot 119.
The anti-falling device 12 comprises an n-type guide rod 121, a second guide sleeve 122, an arc-shaped plate 123, a connecting rod 124, a sleeve 125, an arc-shaped fixture block 127 and a fourth spring 128, wherein the n-type guide rod 121 is arranged at the upper part of the right side of the long rod 1, the second guide sleeve 122 is arranged at the lower part of the n-type guide rod 121, the arc-shaped plate 123 is arranged at the right side of the second guide sleeve 122, the connecting rod 124 is arranged at the left side of the bottom of the arc-shaped plate 123, the sleeve 125 is arranged at the lower part of the outer side of the long rod 1, the right side of the top of the sleeve 125 is fixedly connected with the bottom end of the connecting rod 124, first guide holes 126 are formed at the lower parts of the left side and the right side in the sleeve 125, the arc-shaped fixture block 127 is arranged in the first guide hole 126, the fourth spring 128 is arranged between the outer sides of the arc-shaped fixture blocks 127 at the left side and the right side and the inner sides and the first guide hole 126, grooves 129 are formed at the lower parts of the outer sides of the long rod 1, and the inner ends of the left and right arc-shaped fixture blocks 127 are positioned in the two grooves 129.
The telescopic long rod is characterized by further comprising a third guide rod 14, a fifth spring 15 and a rubber plate 16, a third guide hole 13 is formed in the upper portion of the left side of the long rod 1, the third guide rod 14 is arranged in the third guide hole 13, the fifth spring 15 is connected between the right side of the third guide rod 14 and the right side of the third guide hole 13, the third guide rod 14 is connected with the fifth spring 15 in a welding connection mode, and the rubber plate 16 is arranged at the left end of the third guide rod 14.
Example 5
A garden branch accumulated snow shaking-off machine is shown in figure 1-3 and comprises a long rod 1, a first handle 2, a hook 3, a torsion spring 31, a contact plate 4, a mounting plate 5, a first guide sleeve 6, a first guide rod 7, a contact wheel 8, a limiting block 9, a first spring 10 and a driving device 11, wherein the bottom end of the long rod 1 is provided with the first handle 2, the top end of the long rod 1 is rotatably connected with the hook 3, the hinge joint of the hook 3 and the long rod 1 is provided with the torsion spring 31, the left end of the hook 3 is connected with the contact plate 4, the upper part of the left side of the long rod 1 is provided with the mounting plate 5, the left side of the mounting plate 5 is provided with the first guide sleeve 6, the first guide rod 7 is arranged in a sliding mode in the first guide sleeve 6, the top end of the first guide rod 7 is provided with the contact wheel 8, the contact wheel 8 is, the first spring 10 is sleeved on the first guide rod 7, and a driving device 11 is arranged between the long rod 1 and the first guide rod 7.
The driving device 11 comprises a first clamping bar 113, a second spring 114, a movable bar 117, a third spring 1110 and a movable handle 1111, wherein the middle part of the right wall of the first guide sleeve 6 is provided with a first open hole 111, the upper part of the left side of the long bar 1 is provided with a second open hole 112, the first clamping bar 113 is arranged between the first open hole 111 and the second open hole 112, the first clamping bar 113 is provided with the second spring 114, the tail end of the second spring 114 is connected with the right side of the first guide sleeve 6, the right side of the lower part of the first guide rod 7 is provided with a first clamping groove 115, the first clamping bar 113 is matched with the first clamping groove 115, the long bar 1 is provided with a sliding hole 116, the sliding hole 116 is arranged in the sliding hole 116, the movable bar 117 is arranged in the sliding hole 116, the upper part of the left side of the movable bar 117 is provided with a chute 118, the chute 118 is matched with the right end of the first clamping bar 113, the lower part of the right wall of the long bar 1 is provided with a notch 119, the notch 119 is communicated with the sliding hole 116, the bottom of the chute 119, the chute 119 is communicated with the bottom of the movable bar 117, the third spring 1110 is connected between the bottom of the movable bar 117, the movable bar 117 and the movable bar 1111, the movable handle 1111 passes through the slot 119.
The anti-falling device 12 comprises an n-type guide rod 121, a second guide sleeve 122, an arc-shaped plate 123, a connecting rod 124, a sleeve 125, an arc-shaped fixture block 127 and a fourth spring 128, wherein the n-type guide rod 121 is arranged at the upper part of the right side of the long rod 1, the second guide sleeve 122 is arranged at the lower part of the n-type guide rod 121, the arc-shaped plate 123 is arranged at the right side of the second guide sleeve 122, the connecting rod 124 is arranged at the left side of the bottom of the arc-shaped plate 123, the sleeve 125 is arranged at the lower part of the outer side of the long rod 1, the right side of the top of the sleeve 125 is fixedly connected with the bottom end of the connecting rod 124, first guide holes 126 are formed at the lower parts of the left side and the right side in the sleeve 125, the arc-shaped fixture block 127 is arranged in the first guide hole 126, the fourth spring 128 is arranged between the outer sides of the arc-shaped fixture blocks 127 at the left side and the right side and the inner sides and the first guide hole 126, grooves 129 are formed at the lower parts of the outer sides of the long rod 1, and the inner ends of the left and right arc-shaped fixture blocks 127 are positioned in the two grooves 129.
The telescopic long rod is characterized by further comprising a third guide rod 14, a fifth spring 15 and a rubber plate 16, wherein a third guide hole 13 is formed in the upper portion of the left side of the long rod 1, the third guide rod 14 is arranged in the third guide hole 13, the fifth spring 15 is connected between the right side of the third guide rod 14 and the right side of the third guide hole 13, and the rubber plate 16 is arranged at the left end of the third guide rod 14.
The lower part of the connecting rod 124 is provided with a fourth guide hole 17, a second clamping rod 18 is arranged in the fourth guide hole 17, the lower part of the right side of the long rod 1 is provided with two second clamping grooves 19, the left end of the second clamping rod 18 is positioned in the second clamping groove 19, the sixth spring 20 is wound between the left part of the second clamping rod 18 and the lower part of the left side of the connecting rod 124, the second clamping rod 18 and the connecting rod 124 are both connected with the sixth spring 20 in a welding connection mode, the right end of the second clamping rod 18 is rotatably connected with the third guide sleeve 22, the L-shaped guide rod 21 is arranged in the third guide sleeve 22, and the lower part of the outer left side of the L-shaped guide rod 21 is rotatably connected with the upper part of the right side of the sleeve 125.
When an operator needs to use the equipment, the operator can hold the first handle 2 to move upwards to enable the equipment to move upwards, when the equipment moves to a proper position, the equipment stops moving, then the hook 3 is hooked on a tree branch, then the operator walks backwards, the tree branch is pulled by the hook 3 to bend, the operator can hold the driving device 11 to move downwards, the driving device 11 moves downwards and does not block the first guide rod 7, when the tree branch is pulled to a certain degree, the hook 3 swings upwards, the torsion spring 31 stretches, so that the contact plate 4 swings downwards, the contact plate 4 swings downwards to drive the contact wheel 8 to move downwards, the contact wheel 8 moves downwards to drive the first guide rod 7 to move downwards, the first guide rod 7 moves downwards to drive the limiting block 9 to move downwards, the first spring 10 is stretched, when the hook 3 is separated from the tree branch, the tree branch moves upwards due to the action of elastic force to shake off snow, meanwhile, the first spring 10 resets to drive the limiting block 9 to move upwards, the limiting block 9 moves upwards to drive the first guide rod 7 to move upwards, the first guide rod 7 moves upwards to drive the contact wheel 8 to move upwards to reset, and the hook 3 swings downwards to reset under the action of the torsion spring 31 to drive the contact plate 4 to swing upwards to reset. Therefore, accumulated snow on the branches can be easily cleaned, and convenience and rapidness are achieved.
Initially, the second spring 114 is in a contracted state, when a tree branch is pulled to a proper extent, the movable handle 1111 is held to move downwards, the movable handle 1111 moves downwards to drive the movable rod 117 to move downwards, the third spring 1110 is compressed, due to the action of the second spring 114, the movable rod 117 moves downwards to enable the right end of the first clamping rod 113 to move rightwards to enter the chute 118 and be clamped, meanwhile, the first clamping rod 113 moves leftwards to be separated from the first clamping groove 115 and not to clamp the first guide rod 7, after snow accumulated on the tree branch is cleaned up, the movable handle 1111 can be released, the third spring 1110 is stretched and reset, so that the movable rod 117 moves upwards to reset, the movable handle is driven to move upwards to reset, the movable rod 117 moves upwards to reset to enable the first clamping rod 113 to move leftwards to be clamped into the first clamping groove 115 to fix the first guide rod 1111, and the second spring 114 is compressed.
When the hook 3 hooks a branch, an operator can hold the sleeve 125 to move upwards, the sleeve 125 moves upwards to drive the connecting rod 124 to move upwards, meanwhile, the arc-shaped fixture block 127 is separated from the groove 129 below to prevent the long rod 1 from being clamped, the fourth spring 128 is compressed, the connecting rod 124 moves upwards to drive the arc-shaped plate 123 to slide upwards on the n-shaped guide rod 121 through the second guide sleeve 122, when the arc-shaped fixture block 127 moves to the groove 129 above, the arc-shaped fixture block 127 is clamped into the groove 129 above due to the action of the fourth spring 128, and when the arc-shaped plate 123 moves upwards to be in contact fit with the hook 3, the sleeve 125 stops moving, and the branch can be pulled. After the accumulated snow on the tree branches is cleaned, an operator can hold the sleeve 125 again to move downwards, the sleeve 125 moves downwards to drive the connecting rod 124 to move downwards, the connecting rod 124 moves downwards to drive the arc-shaped plate 123 to slide downwards on the n-shaped guide rod 121 through the second guide sleeve 122 to reset, and meanwhile, the arc-shaped fixture block 127 is clamped into the groove 129 below to reset when moving downwards, so that the sleeve 125 is fixed. Therefore, the tree branch can be hooked more stably, and the device is safer to operate.
When the contact plate 4 moves downwards to the rubber plate 16, the rubber plate 16 moves rightwards along with the contact plate, the rubber plate 16 moves rightwards to drive the third guide rod 14 to move rightwards, the fifth spring 15 is compressed, the contact plate 4 can be buffered, the protection device is not damaged, when the contact plate 4 moves upwards to reset, the fifth spring 15 resets, the third guide rod 14 moves leftwards, and the third guide rod 14 moves leftwards to drive the rubber plate 16 to move leftwards to reset.
Firstly, an operator holds the lower part of an L-shaped guide rod 21 to swing leftwards, the upper part of the L-shaped guide rod 21 swings rightwards along with the L-shaped guide rod, the upper part of the L-shaped guide rod 21 swings rightwards to drive a third guide sleeve 22 to move rightwards, the third guide sleeve 22 moves rightwards to drive a second clamping rod 18 to move rightwards without clamping a second clamping groove 19, a sixth spring 20 is compressed, when an arc-shaped plate 123 is matched with a hook 3, the L-shaped guide rod 21 can be loosened, the sixth spring 20 resets to drive the upper part of the L-shaped guide rod 21 to swing leftwards along with the L-shaped guide rod 21, the upper part of the L-shaped guide rod 21 swings leftwards to drive the third guide sleeve 22 to move leftwards, the third guide sleeve 22 moves leftwards to drive the second clamping rod 18 to move leftwards to be clamped into the second clamping groove 19 again to fix a connecting rod 124, and therefore the situation that smoother branches and the hook 3 fall off can be prevented.
It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.