CN214046752U - Pruning device for forestry planting - Google Patents

Abstract

The utility model discloses a pruning device for forestry planting, including the dead lever, open at the top middle part of dead lever has the breach, and the top of dead lever is divided into two branches, two by the breach one side that the breach was kept away from to branch has all been opened and has been cut the shoulder, and has pegged graft between two branches and have the same root collude the sword, the bottom reservation that colludes the sword has fixed lug, and opens respectively on fixed lug and two branches and have two coaxial distribution's bar hole, and has plugged in the bar hole and have fastening bolt, fastening bolt passes branch and fixed lug in proper order and will collude the sword and fix the top at the dead lever, and the cutting edge department that colludes the sword is close to the bottom and is provided with the sawtooth. The utility model discloses can saw cut branch when meetting branch thick the sawtooth that the cutting edge department that can utilize the eave-type broach is close to the root when using, only need draw the eave-type broach downwards hard when meetting branch thinner can cut branch department, compare in the pruning device of traditional scissors formula that utilizes lever principle to design.

Description

Pruning device for forestry planting

Technical Field

The utility model relates to a forestry planting technical field especially relates to a forestry is planted and is used beta pruning device.

Background

A society during setting up of gardens, a city, the view in a campus, it represents certain local culture, so need tailor through the garden designer, will grow the branch, the grass is pruned, but present ordinary gardens pruning machine's length is fixed, can be restricted sometimes, can't be suitable to prune, in addition, because the hardness of branch often can splash during the pruning, stab gardener's face, lead to unnecessary injury.

The retrieved Chinese patent No. CN201921753997.2 discloses a forestry pruning device, which comprises a fixed blade fixedly connected with the left end of a telescopic device, a movable blade hinged with the upper part of the fixed blade through a first rotating shaft, the movable blade is fixedly connected with a steel bar, the steel bar passes through a left cover of the telescopic device and is fixedly connected with a first pulley arranged at the left end inside the telescopic device, a second pulley is arranged at the right side of the first pulley, a third pulley is arranged at the right side of the second pulley, the second pulley and the third pulley are both fixedly connected in the telescopic device, and the second pulley is wound and connected with the third pulley through a steel wire rope; however, the device is used in a laborious lever-shaped structure, so that the trimming is extremely laborious for the slightly thick branches.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pruning device for forestry planting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pruning device for forestry is planted, includes the dead lever, open at the top middle part of dead lever has the breach, and the top of dead lever is divided into two branches, two by the breach one side that the breach was kept away from to branch is all opened and is cut the shoulder, and pegs graft between two branches and have same root raking knife, raking knife's bottom reservation has fixed lug, and opens respectively on fixed lug and two branches has two coaxial distribution's bar hole, and has plugged in the bar hole and have fastening bolt, fastening bolt passes branch and fixed lug in proper order and fixes the raking knife on the top of dead lever, and raking knife's cutting edge department is close to the bottom and is provided with the sawtooth.

Preferably, the outer wall of the fastening bolt is sleeved with a spring washer, and the spring washer is positioned between the fixing lug and the support rod.

Preferably, one side of the outer wall of the fixing rod, which is far away from the sawteeth, is fixed with two side guard plates which are parallel to each other and parallel to the plane where the hook cutter is located, and the surfaces of the two side guard plates are provided with round holes which are coaxially distributed.

Preferably, two it is connected with same movable axostylus axostyle to rotate between the round hole, and the both ends of activity axostylus axostyle are fixed with female pipe and spacing cap respectively, the mouth of pipe department inner wall sliding connection of female pipe has the extension rod.

Preferably, an inner threaded pipe is embedded at the position, close to the upper surface, of the pipe orifice of the main pipe, and a self-locking bolt is screwed inside the inner threaded pipe.

Preferably, the end part of the extension rod is close to the front and is fixed with a hook rod, and the outer wall of the hook rod is sleeved with a roller sleeve.

Preferably, the outer wall of the roller sleeve is provided with spikes distributed at equal intervals, balls are arranged between the inner wall of the roller sleeve and the outer wall of the hook rod, and the outer wall of the hook rod is provided with mutually flat annular ball grooves.

Compared with the prior art, the utility model provides a forestry is planted and is used pruning device possesses following beneficial effect:

1. through setting up the sawtooth near the eave tile root, can use the cutting edge department of eave tile to saw cut the branch near the sawtooth of root when meetting the branch thick when using, only need to draw the eave tile downwards hard when meetting the branch thin and can cut the branch department, compare in the pruning device of traditional scissors formula that utilizes lever principle to design.

2. Through setting up the spring washer of stopper between fixed lug and branch, improved the fastening effect to colluding the sword, avoid long-time cutting and collude and draw and lead to colluding the sword not hard up to two points confirm that keeping away from of a straight line makes colluding the sword can not rotate on the top of dead lever.

3. Through setting up hooked rod and roller shell, can be when meetting higher great thick branch when using, can embrace the trunk with the position of hooked rod as a point of application of force, later press the sawtooth on thick branch again, move the dead lever under going up again and can saw cut thick branch for it is more laborsaving to saw cut the high altitude.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure has laborsaving, saves weight and the little advantage of range of motion, can also be fast accurate to the cutting position.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a pruning device for forestry planting according to the present invention;

fig. 2 is a schematic view of an assembly structure of a hook rod of the pruning device for forestry planting according to the present invention;

fig. 3 is an enlarged schematic structural view of a part a in fig. 1 of a pruning device for forestry planting according to the present invention.

In the figure: 1-fixed rod, 101-strip-shaped hole, 2-side guard plate, 3-movable shaft rod, 4-round hole, 5-notch, 6-fixed lug, 7-hook knife, 8-sawtooth, 9-fastening bolt, 10-strip-shaped hole, 11-self-locking bolt, 12-extension rod, 1201-hook rod, 13-roller sleeve, 14-spine, 15-internal threaded pipe, 16-female pipe and 17-anti-slip sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a pruning device for forestry planting comprises a fixed rod 1, wherein a notch 5 is opened in the middle of the top end of the fixed rod 1, the top end of the fixed rod 1 is divided into two support rods by the notch 5, both sides of the two support rods, which are far away from the notch 5, are provided with cutting shoulders, a hook knife 7 is inserted between the two support rods, a fixed lug 6 is reserved at the bottom end of the hook knife 7, the fixed lug 6 and the two support rods are respectively provided with two strip-shaped holes 101 which are coaxially distributed, a fastening bolt 9 is inserted in each strip-shaped hole 101, the fastening bolt 9 sequentially penetrates through the support rods and the fixed lug to fix the hook knife 7 at the top end of the fixed rod 1, and the cutting edge of the hook knife 7 is provided with saw teeth 8 near the root, so that when a branch is thick, the branch can be sawn by using the saw teeth 8 near the root at the cutting edge of the, when the branch is thin, the branch can be cut only by pulling the hook knife 7 downwards with force, and compared with the traditional scissor-type pruning device designed by utilizing the lever principle, the branch pruning device has the advantages of labor saving, weight saving and small operation range, and can quickly and accurately cut the branch.

The utility model discloses in, fastening bolt 9's outer wall has cup jointed spring washer, and spring washer is located between fixed lug 6 and the branch, has improved the fastening effect to colluding the sword, avoids long-time cutting and colludes and draw and lead to colluding the sword not hard up to two points confirm that keeping away from of a straight line makes colluding the sword can not rotate on the top of dead lever 1.

Two side guard plates 2 which are parallel to each other and parallel to the plane where the hook knife 7 is located are fixed on one side, far away from the sawteeth 8, of the outer wall of the fixing rod 1, and round holes 4 which are coaxially distributed are formed in the surfaces of the two side guard plates 2.

Wherein, two it is connected with same movable axostylus axostyle 3 to rotate between the round hole 4, and the both ends of movable axostylus axostyle 3 are fixed with female pipe 16 and spacing cap respectively, the mouth of pipe department inner wall sliding connection of female pipe 16 has extension rod 12.

An inner threaded pipe 15 is embedded at the position, close to the upper surface, of the pipe orifice of the main pipe 16, and a self-locking bolt 11 is screwed inside the inner threaded pipe 15 and can fix the length of the extending rod 12.

A hook rod 1201 is fixed at the end part of the extension rod 12 close to the front side, and a roller sleeve 13 is sleeved on the outer wall of the hook rod 1201.

The working principle is as follows: when the pruning device is used, when the branch is thick, the sawtooth 8 close to the root at the cutting edge of the hook blade 7 can be used for sawing the branch, when the branch is thin, the branch can be cut only by pulling the hook blade 7 downwards forcefully, and compared with the traditional scissor-type pruning device designed by utilizing the lever principle, the pruning device has the advantages of labor saving, weight saving and small operation amplitude, and can also rapidly and accurately cut the branch.

Example 2

Referring to fig. 3, a pruning device for forestry planting, this embodiment compares in embodiment 1, still includes the outer wall of roller shell 13 is provided with equidistantly distributed spine 14, and is provided with the ball between the inner wall of roller shell 13 and the outer wall of hook stock 1201, and the outer wall of hook stock 1201 is provided with the annular ball groove of flat shape each other to can be when meetting higher great thick branch when using, can hold the trunk with the position of hook stock 1201, as a point of application of force, later with the sawtooth pressure on thick branch, move dead lever 1 down again and can saw cut thick branch, make the high altitude saw cut more laborsaving.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a pruning device for forestry is planted, includes dead lever (1), open at the top middle part of dead lever (1) has breach (5), and the top of dead lever (1) is divided into two branches, two one side that breach (5) were kept away from to branch is all opened and is cut the shoulder, and pegs graft between two branches and have same root bush-hook (7), its characterized in that, the bottom reservation of bush-hook (7) has fixed lug (6), and opens bar hole (101) that have two coaxial distributions on fixed lug (6) and two branches respectively, and has pegged graft in bar hole (101) fastening bolt (9), fastening bolt (9) pass branch and fixed lug in proper order and fix bush-hook (7) on the top of dead lever (1), and the cutting edge department of bush-hook (7) is close to the bottom and is provided with sawtooth (8).

2. The pruning device for forestry planting according to claim 1, wherein a spring washer is sleeved on an outer wall of the fastening bolt (9), and the spring washer is positioned between the fixing lug (6) and the supporting rod.

3. The pruning device for forestry planting according to claim 1, wherein two side protection plates (2) which are parallel to each other and parallel to the plane of the hook cutter (7) are fixed on one side of the outer wall of the fixing rod (1) far away from the saw teeth (8), and the surfaces of the two side protection plates (2) are provided with round holes (4) which are coaxially distributed.

4. The pruning device for forestry planting according to claim 3, wherein the same movable shaft rod (3) is rotatably connected between the two round holes (4), a main pipe (16) and a limiting cap are respectively fixed at two ends of the movable shaft rod (3), and an extension rod (12) is slidably connected to the inner wall of the pipe opening of the main pipe (16).

5. The pruning device for forestry planting according to claim 4, wherein an internal threaded pipe (15) is embedded at a pipe orifice of the main pipe (16) close to the upper surface, and a self-locking bolt (11) is screwed inside the internal threaded pipe (15).

6. The pruning device for forestry planting according to claim 5, wherein a hook rod (1201) is fixed to the end portion of the extension rod (12) close to the front surface, and a roller sleeve (13) is sleeved on the outer wall of the hook rod (1201).

7. A pruning device for forestry planting according to claim 6, wherein the outer wall of the roller sleeve (13) is provided with spikes (14) distributed at equal intervals, balls are arranged between the inner wall of the roller sleeve (13) and the outer wall of the hook rod (1201), and the outer wall of the hook rod (1201) is provided with mutually flat annular ball grooves.

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