CN114982500A

CN114982500A - Scalable folding branches of tall trees trimming means

Info

Publication number: CN114982500A
Application number: CN202210771388.XA
Authority: CN
Inventors: 黄立波; 姜金荣
Original assignee: Zhejiang Wugu Paoshin Industries Co ltd
Current assignee: Zhejiang Wugu Paoshin Industries Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-02

Abstract

The invention discloses a telescopic and foldable high branch pruning device, which comprises a telescopic main rod, wherein a pruning component is arranged at the end part of the telescopic main rod, and the pruning component can be folded and contained in the telescopic main rod; the pruning assembly comprises a saw handle and a saw blade, and a rotary adjusting switch is arranged between the saw handle and the saw blade. The pruning subassembly that is provided with rotation regulation switch through the cooperation of telescopic mobile jib realizes the nimble regulation of saw bit and accomodates for operating personnel can adjust the contained angle of saw bit and telescopic mobile jib according to the branch condition, and then fold when the saw bit rotatory 180 degrees after and incorporate telescopic mobile jib in, can accomplish and effectively accomodate, not only safe but also convenient.

Description

Scalable folding branches of tall trees trimming means

Technical Field

The invention relates to the technical field of garden tools, in particular to a telescopic and foldable high branch pruning device.

Background

The high branch pruning device is a high branch pruning saw, also called as a mower or a motor sickle, and is one of garden machines commonly used for pruning trees in landscaping;

because of municipal garden prunes needs the aesthetic property, need clear up pruning back branch after high branch trimming means prunes trees, and present trimming means branch drops to ground pruning back branch, needs follow-up manual work to clear up the branch to make present trimming means can't conveniently collect pruning back branch, reduce and prune the manual work of high branch trees.

For example, a Chinese patent document discloses a high branch saw, the publication number of which is "CN 214206487U", which comprises a pole pruning saw body, a hoop sleeved on the pole pruning saw body in a sliding way, and a telescopic rod hinged with the hoop, the telescopic rod is vertically arranged, a supporting seat used for supporting the ground is arranged below the telescopic rod, the telescopic rod is detachably connected with the supporting seat, the bottom end of the pole pruning saw body is fixedly connected with a vertically arranged bottom plate, the side wall of the supporting seat is fixedly connected with a horizontally arranged mounting plate, the bottom plate and the mounting plate are positioned at the same side of the supporting seat, a locking assembly is connected between the mounting plate and the bottom plate and comprises a locking rod and a locking nut, the mounting plate is connected with a vertically arranged mounting rod, the locking rod is fixedly connected to the bottom plate and penetrates through the mounting rod, and the locking nut is in threaded connection with one end, far away from the bottom plate, of the locking rod and tightly pressed on the mounting rod.

Among the above-mentioned scheme, carry out the outrigger to the branches of tall trees saw through telescopic link and supporting seat cooperation and fix, the gardens branches of tall trees saw of nevertheless this scheme is accomodate the degree limited, has the problem of carrying or inconvenience, and the length range of telescopic link is limited to the angle modulation effect that the branches of tall trees saw played simultaneously, the promotion of not using production efficiency.

The second invention aims to solve the problem that the broken branches fall to hurt operators when the high branch pruning device prunes.

Disclosure of Invention

Aiming at the problem that the folding and accommodating degree and the angle adjusting range are limited in the prior art, the invention provides the telescopic and foldable high branch pruning device.

The second invention aims to solve the problem that the subsequent braking effect is influenced by the frequent braking and thermal deformation of the bobbin by the bobbin elastic sheet.

In order to achieve the purpose, the invention adopts the following technical scheme:

a telescopic and foldable high branch pruning device comprises a telescopic main rod, wherein a pruning component is arranged at the end part of the telescopic main rod and can be folded and contained in the telescopic main rod; the pruning assembly comprises a saw handle and a saw blade, and a rotary adjusting switch is arranged between the saw handle and the saw blade. The telescopic mobile jib can adjust the whole length of branches of tall trees trimming means, is convenient for prune the note of each height range, and rotation regulation switch can control the rotation and the locking of saw bit, can change the contained angle between saw bit and the telescopic mobile jib through rotatory saw bit to the staff of being convenient for saw cuts pruning work with more laborsaving mode, and then fold after the saw bit is rotatory 180 degrees and incorporate in the telescopic mobile jib, thereby accomplish and effectively accomodate, not only safe but also convenient.

As preferred, can dismantle the connection between saw handle and the telescopic mobile jib, telescopic mobile jib front end is provided with the mount pad, the saw handle afterbody is provided with the mounting groove, the mount pad is connected with the mounting groove plug-in card, still be provided with installation switch on the telescopic mobile jib, installation switch is including pressing the arm and setting up in the inboard torsional spring spare of pressing the arm, and two torsion arms of torsional spring spare are the butt respectively and are pressed arm and mount pad, press the arm plug to connect the mount pad. The saw handle is inserted with telescopic mobile jib and closes and be connected to utilize installation switch control locking and unblock, it is specific, the pressure arm afterbody is provided with the jack, with the jack grafting of pressure arm back on the reference column on the mount pad, the pressure arm front end compresses tightly the torsional spring spare, and this makes the torsional spring spare compress and lock the mount pad, makes the mounting groove that inserts the mount pad obtain fixing. Particularly, after the saw handle is detached from the mounting groove, an operator can hold the saw handle to directly use the pruning assembly, lower shrub branches can be pruned, and the universality is improved.

Preferably, the telescopic main rod comprises a plurality of sequentially sleeved sub-loop rods, and each sub-loop rod is provided with a locking switch. The telescopic mobile jib comprises multinode sub loop bar registrates layer upon layer, and the locking switch of every sub loop bar is used for controlling the locking and the unblock of this sub loop bar, ensures that telescopic mobile jib can remain stable after adjusting to suitable position, avoids pruning the operation in-process to appear becoming flexible and leads to the problem that the saw bit reduces, and simple structure, telescopic mobile jib can contract to the length of being close to a sub loop bar when idle, is convenient for accomodate, saves space.

Preferably, a handle is arranged at one end, away from the pruning assembly, of the telescopic main rod, a clamping column is arranged on the side portion of the handle, a clamping groove is formed in the side portion of the saw handle, and the saw handle can be inserted and connected with the clamping groove after being detached from the telescopic main rod. The handle is used for operating personnel to hold telescopic mobile jib, conveniently follows position and angle of ground control pruning subassembly, and the design of block groove and block post, after the pruning device of branches of tall trees finishes using, can be after the telescopic mobile jib is detached to the saw handle, can be with pruning subassembly integral erection block on the handle, in addition shrink to the telescopic mobile jib of shortest state for the state that the pruning device of branches of tall trees variant was accomodate for being convenient for, length is the size of single sub-cover pole, is convenient for accomodate very much.

Preferably, the bottom of the saw handle is provided with a containing groove, a plurality of saw blade clamping grooves are formed in the containing groove, and the saw blades can rotate and are inserted into the saw blade clamping grooves. The saw bit is folded and is brought into the accommodating groove after rotating 180 degrees, and the saw blade of the saw bit is clamped and stably fixed in the saw bit clamping groove, so that the length of the pruning assembly is shortened to be the length of the saw handle, the saw bit and personnel are protected, and the saw bit is prevented from exposing and hurting people or being injured by oneself.

Preferably, the bottom of the rotation adjusting switch is provided with a dust guard, and the dust guard is inclined towards the direction of the saw blade. The dust guard can avoid the sawdust to fall on operating personnel along flexible being that the mobile jib causes health to influence when the branches of tall trees trimming means during operation. Specifically, the shape of dust guard is the arc to saw bit direction evagination, can let the sawdust along the dust guard to both sides landing to keep away from operating personnel.

Preferably, the pruning assembly further comprises a branch breaking control assembly, the branch breaking control assembly comprises a traction rope arranged on the side portion of the saw handle, and a weight block is arranged at the end portion of the traction rope. Haulage rope cooperation weight piece can be treated before saw cutting pruning work and begin to cut the paper slip and twine the connection, and this kind of design can make the lopping can not drop at once after saw cutting the completion, but stays the eminence by the haulage rope tractive, and operating personnel can reduce the height of pruning subassembly and transfer the lopping to improve the operation security.

Preferably, the pendant block arranged at one end, far away from the saw handle, of the traction rope is a claw hook type fixing part, and the claw hook type fixing part can be used for picking and connecting branches to be cut after the traction rope is wound on the branches. Because branches of some trees are smooth or thick, the branches cannot be guaranteed not to slip and fall off after leaving the trunk only by winding of the traction rope, the structure with the claw hook is utilized to be matched with the traction rope to complete pre-connection between the high branch trimming device and the branches before trimming the thick branches, namely, the branches to be trimmed are inserted and connected through the claw hook type fixing part, the problem that the branches to be trimmed fall immediately after being trimmed and cut an operator is solved, the branches to be trimmed are controlled on the side part of the saw handle by the claw hook type fixing part, the operator has sufficient time to adjust the height of the trimming component, the branches are slowly lowered along with the trimming component under artificial control, the safety degree of the operator is effectively improved, and the second invention purpose of the application is further realized.

Therefore, the invention has the following beneficial effects: (1) the flexible adjustment and storage of the saw blades are realized by matching the telescopic main rod with the pruning assembly provided with the rotary adjusting switch, so that an operator can adjust the included angle between the saw blades and the telescopic main rod according to the branch condition, and the operation efficiency is effectively improved; (2) the tail part of the pressure arm is provided with an insertion hole, after the insertion hole of the pressure arm is inserted into the positioning column on the mounting seat, the front end of the pressure arm compresses the torsion spring piece, so that the torsion spring piece is compressed and the mounting seat is locked, and the mounting groove inserted into the mounting seat is fixed; (3) after the high branch pruning device is used, the pruning component can be integrally installed and clamped on the handle after the saw handle is detached from the telescopic main rod, and the telescopic main rod which is contracted to the shortest state is added, so that the high branch pruning device is changed to a state convenient to store, has the length of being the size of a single sub-sleeved rod and is very convenient to store; (4) the dustproof plate is an arc-shaped plate protruding outwards towards the saw blade direction, so that sawdust can slide to two sides along the dustproof plate, and an operator is far away from the dustproof plate; (5) because the branches of some tree species are smooth or thick, the broken branches cannot be guaranteed to not slip and fall off after leaving the trunk only by winding of the traction rope, the high branch trimming device can be pre-connected with the broken branches before the thick branches are trimmed by utilizing the structure provided with the claw hooks and matched with the traction rope, namely, the branches to be trimmed are spliced through the claw hook type fixing part, and the problem that the branches to be trimmed cannot fall immediately after being sawed off to injure or scratch operators is solved.

Drawings

FIG. 1 is a first isometric view of the present invention.

FIG. 2 is a second axial view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a cross-sectional view taken at a-a in fig. 3.

Fig. 5 is a partially enlarged view of B in fig. 4.

In the figure: 1. Telescopic mobile jib, 11, mount pad, 12, sub-loop pole, 13, locking switch, 2, pruning subassembly, 3, saw handle, 31, saw bit, 32, rotation regulation switch, 33, mounting groove, 34, block groove, 4, installation switch, 41, pressure arm, 42, torsional spring spare, 5, handle, 51, block post, 6, holding tank, 61, saw bit draw-in groove, 7, dust guard, 8, delimbing control module, 81, haulage rope, 82, weight piece.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. .

Example 1

As shown in fig. 1 and 2, a telescopic and foldable high branch pruning device comprises a telescopic main rod 1, wherein a pruning component 2 is arranged at the end part of the telescopic main rod 1, and the pruning component 2 can be folded and accommodated in the telescopic main rod 1; the pruning assembly 2 comprises a saw handle 3 and a saw blade 31, and a rotary adjusting switch 32 is arranged between the saw handle 3 and the saw blade. Can dismantle the connection between saw handle 3 and the telescopic

mobile jib

1, 1 front end of telescopic mobile jib is provided with

mount pad

11, 3 afterbody of saw handle are provided with mounting groove 33, mount pad 11 is connected with the mounting groove plug-in card, still be provided with installing switch 4 on the telescopic mobile jib 1, installing switch 4 is including pressing arm 41 and setting up in the inboard torsional spring spare 42 of pressing arm 41, and arm 41 and mount pad 11 are pressed in the butt respectively to two torque arms of torsional spring spare 42, press arm 41 plug connection mount pad 11. The telescopic main rod 1 comprises five sub-loop rods 12 which are sequentially sleeved, and except for the outermost sub-loop rod, each sub-loop rod 12 is provided with a locking switch 13.

As shown in fig. 3, 4 and 5, the telescopic main rod 1 can adjust the overall length of the high branch trimming device, so as to trim the paper strips within each height range, the rotary adjusting switch 32 can control the rotation and locking of the saw blade, and the included angle between the saw blade and the telescopic main rod can be changed through the rotary saw blade, so that the trimming work can be saw-cut in a labor-saving mode by the worker, and the saw blade is folded and contained in the telescopic main rod 1 after rotating for 180 degrees, thereby effectively accommodating the paper strips, and being safe and convenient. The saw handle 3 is inserted and closed with the telescopic mobile jib 1 and is connected to utilize installation switch 4 control locking and unblock, it is specific, the pressure arm 41 afterbody is provided with the jack, with the jack grafting of pressure arm 41 back on the reference column on the mount pad 11, the pressure arm 41 front end compresses tightly spring 42, and this makes spring 42 compress and lock mount pad 11, makes the mounting groove 33 that inserts mount pad 11 obtain fixedly. Particularly, after the saw handle 3 is detached from the mounting groove 33, an operator can hold the saw handle 3 to directly use the pruning assembly 2, so that lower shrub branches can be pruned, and the universality is improved. Telescopic mobile jib 1 is by multinode sleeve pole 12 registrate one layer by one layer and forms, and the locking switch 13 of every sleeve pole 12 is used for controlling the locking and the unblock of this sleeve pole 12, ensures that telescopic mobile jib 1 can remain stable after adjusting to suitable position, avoids pruning the problem that the flexible saw bit that leads to reduces appearing in the operation process, and simple structure, telescopic mobile jib 1 can contract to the length that is close a sleeve pole 12 when idle, is convenient for accomodate, saves space.

Particularly, a handle 5 is arranged at one end of the telescopic main rod 1 far away from the pruning assembly 2, a clamping column 51 is arranged at the side part of the handle 5, a clamping groove 34 is arranged at the side part of the saw handle 3, and the saw handle 3 can be inserted and connected with the clamping groove 34 after being detached from the telescopic main rod 1. The bottom of the saw handle 3 is provided with a holding groove 6, a plurality of saw blade clamping grooves 61 are arranged in the holding groove 6, and the saw blades can rotate and are inserted into the saw blade clamping grooves 61. The bottom of the rotary adjusting switch 32 is provided with a dust guard 7, and the dust guard 7 is obliquely arranged towards the direction of the saw blade.

The handle 5 is used for operating personnel to hold the telescopic mobile jib 1, conveniently follow the position and the angle of ground control pruning subassembly 2, and the design of block groove 34 and block post 51, after the pruning device of branches of tall trees finishes using, can be after saw handle 3 detaches telescopic mobile jib 1, can be with pruning subassembly 2 integral erection block on handle 5, in addition shrink to the telescopic mobile jib 1 of shortest state, make the pruning device of branches of tall trees change the state of being convenient for to accomodate, length is the size of single sub-cover pole 12, be very convenient for accomodate. The saw bit is folded and accommodated in the accommodating groove 6 after rotating 180 degrees, and the saw blade of the saw bit is clamped in the saw bit clamping groove 61 to be stably fixed, so that the length of the pruning assembly 2 is shortened to be the length of the saw handle 3, the saw bit and personnel are protected, and the saw bit is prevented from exposing and hurting people or being injured by oneself. The dust guard 7 can avoid the sawdust to be that the mobile jib falls on operating personnel and causes health effect along flexible when the pruning device of branches of tall trees is worked. Specifically, the shape of the dust guard 7 is an arc-shaped plate protruding outwards towards the saw blade, so that sawdust can slide towards two sides along the dust guard 7, and the sawdust is far away from an operator.

The pruning assembly 2 further comprises a pruning control assembly 8, the pruning control assembly comprises a traction rope 81 arranged on the side portion of the saw handle 3, and a falling block 82 is arranged at the end portion of the traction rope. Haulage rope cooperation weight piece can be treated cutting out the note before saw cutting pruning work begins and twine the connection, and this kind of design can make the lopping can not drop at once after saw cutting the completion, but stays the eminence by the haulage rope tractive, and operating personnel can reduce pruning subassembly 2 highly to transfer the lopping to improve the operation security.

In this embodiment, when the pruning device for high branches is used, the saw blade is first adjusted to an angle suitable for branches to be pruned by rotating the adjusting switch 32, and then the length of the telescopic main rod 1 is adjusted, so that the pruning component 2 is located at a suitable height to enable a worker to prune the branches in a comfortable posture on the ground; after the adjustment action is completed, the mounting groove 33 of the saw handle 3 is inserted and connected with the mounting seat 11 of the telescopic main rod 1, namely, the high branch trimming device is quickly assembled, before trimming is started, firstly, the traction rope is matched with the pendant block to wind and fix branches to be trimmed, and then, trimming operation is performed through the trimming component 2. After the pruning device for the high branches is used, the pruning device can be separated from the pruning control component firstly, then the rotary adjusting switch 32 is controlled to rotate the saw blade to fold the saw blade and bring the saw blade into the accommodating groove 6 of the saw handle 3, then the pressure arm 41 on the saw handle 3 is pulled out, and the torsion spring piece 42 is enabled to release the locking state of the saw handle 3 and the telescopic main rod 1, so that the pruning component 2 is separated from the telescopic main rod 1, the pruning component 2 can be fixed with the clamping column 51 at the side part of the handle 5 through the clamping groove 34 at the side part after being detached from the telescopic main rod 1 in a clamping mode, the complete storage of the pruning device for the high branches is realized, the space is saved to the maximum extent, and the stored pruning device for the high branches can be completely carried by one person.

Example 2

In this embodiment, the pendant that 3 one end of saw handle was kept away from to the haulage rope set up is changed to claw hook formula mounting, claw hook formula mounting can take off behind the haulage rope winding branch and receive the branch of treating to cut off. Because the branches of some tree species are smooth or thick, the broken branches cannot be guaranteed not to slip and fall after leaving the trunk only by winding of the traction rope, the structure with the claw hooks is utilized to be matched with the traction rope to complete pre-connection between the high branch pruning device and the broken branches before pruning the thick branches, namely, the branches to be pruned are spliced through the claw hook type fixing piece, the problem that the branches to be pruned fall immediately after being pruned to cause injury or scratch of operators is guaranteed, the branches to be pruned are controlled on the side portion of the saw handle 3 by the claw hook type fixing piece, so that the operators have more sufficient time to adjust the height of the pruning component 2, the broken branches slowly fall under artificial control along with the pruning component 2, and the safety degree of the operators is further improved.

In addition to the above embodiments, the technical features of the present invention may be reselected and combined to form a new embodiment within the scope of the claims of the present invention and the specification, which are all achieved without creative efforts of those skilled in the art, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.

Claims

1. A telescopic and foldable high branch pruning device is characterized by comprising a telescopic main rod, wherein a pruning component is arranged at the end part of the telescopic main rod and can be folded and contained in the telescopic main rod; the pruning assembly comprises a saw handle and a saw blade hinged to the saw handle, and a rotary adjusting switch is arranged between the saw handle and the saw blade.

2. The pruning device for high branches with telescopic and foldable functions as claimed in claim 1, wherein the saw handle is detachably connected with the telescopic main rod, a mounting seat is arranged at the front end of the telescopic main rod, a mounting groove is formed in the tail portion of the saw handle, the mounting seat is connected with the mounting groove in a plug-in card manner, a mounting switch is further arranged on the telescopic main rod and comprises a pressing arm and a torsion spring piece arranged on the inner side of the pressing arm, two torsion arms of the torsion spring piece are respectively abutted against the pressing arm and the mounting seat, and the pressing arm is connected with the mounting seat in a plug-in manner.

3. The retractable and foldable high branch pruning device according to claim 1, wherein the retractable main rod comprises a plurality of sequentially sleeved sub-sleeved rods, and each sub-sleeved rod is provided with a locking switch.

4. The pruning device for tall branches with retractable and foldable function as claimed in claim 1, wherein a handle is provided at an end of the retractable main rod away from the pruning assembly, a locking post is provided at a side portion of the handle, a locking groove is provided at a side portion of the saw handle, and the locking groove can be connected by inserting the saw handle after the saw handle is detached from the retractable main rod.

5. The apparatus as claimed in claim 1, wherein the saw handle has a receiving slot at the bottom thereof, and a plurality of saw blade slots are formed in the receiving slot, and the saw blade can rotate and be inserted into the saw blade slots.

6. The apparatus as claimed in any one of claims 1-5, wherein the bottom of the rotary adjusting switch is provided with a dust guard, and the dust guard is inclined toward the saw blade.

7. The apparatus as claimed in any one of claims 1-5, wherein the pruning assembly further comprises a branch breaking control assembly, the branch breaking control assembly comprises a pulling rope arranged at the side of the saw handle, and a weight block is arranged at the end of the pulling rope.