CN210695060U - A hedge trimmer - Google Patents

Abstract

The utility model provides a hedge trimming cutter, relates to hedge trimmer cutter technical field, including upper cutter and the bottom knife that sets up side by side from top to bottom level to form between upper cutter and the bottom knife and refine the space, and be in overlooking the state, arrange perpendicularly between upper cutter and the bottom knife. The utility model solves the problems that when the pruning cutter in the traditional technology rotates, the cutter is easy to loose and fly due to the eccentric force; the rotating speed of the cutter needs to be increased, so that the hedgerow is cut; and the cut broken branches are easy to be bagged and need to be broken and cut twice manually.

Description

A hedge trimmer

technical field

The utility model relates to the technical field of cutters for hedge trimmers, in particular to a hedge trimming cutter.

Background technique

The main role of greening in the middle of the expressway is to beautify the traffic environment and prevent dazzle of vehicles at night. Too high and too low green growth is not conducive to driving safety. The greening and pruning in the middle of the expressway is an important part of the expressway greening maintenance, and the improvement of its work efficiency plays an important role in reducing the cost of the enterprise and improving the safety factor.

Regular pruning of greenery is an important part of daily maintenance, and greening pruning methods are crucial to work efficiency and safety. The traditional greening pruning is manually pruned by the operator holding a hedge trimmer, or using simple modified equipment with a relatively low degree of machinery and automation for pruning, supplemented by manual collection. Low.

Therefore, vehicle-mounted trimmers are generally used in the market, the mobile platform is a light truck, and the diesel engine group is used as the power of the trimming device, which can be used to trim the hedge.

The State Intellectual Property Office of China has published a utility model patent with the patent number ZL2018211298554. The patent includes a transmission case, including a hydraulic motor at the top end of the transmission case, a fixed plate at the bottom of the transmission case, and a drive shaft bearing fixed in the middle of the fixed plate. The driving shaft bearing seat is connected with the driving shaft, the top of the driving shaft is connected with the output end of the hydraulic motor, one end of the fixing plate is provided with a strip hole, and the strip hole is slidingly provided with a driven shaft bearing seat, and the driven shaft bearing seat A driven shaft is connected to the inner rotation, the top of the driven shaft is connected with the driving shaft through a belt transmission mechanism, a tension bolt is arranged on one side of the bearing seat of the driven shaft, and the bottom of the driving shaft and the driven shaft are provided with trimming blades. The driving shaft of the utility model drives the driven shaft to rotate, so that the two trimming blades can trim the hedge at the same time, the tensioning bolt improves the transmission efficiency of the belt transmission mechanism, and the end face clutch teeth reduce the adjustment difficulty of the mechanical arm and improve the The pruning efficiency of hedgerows reduces pruning costs.

However, in the actual production and use of the device, the shortcomings of the device were gradually exposed:

First, although the device uses pruning blades to prune the hedge, the blades used in the device are of a half-piece structure, which causes the device to have a certain eccentric force in the process of driving the blades to rotate, which makes the device appear as a whole. Vibration, over time, makes the parts easy to loosen, which makes the trimming blades easy to fly out, causing safety hazards to the human body and surrounding vehicles.

Second, since the device adopts a half-piece type, in order to ensure the cutting of the hedge, it is necessary to advance its rotation speed and increase the number of contacts between the blade and the hedge per unit time. The output power is increased, the service life is reduced, and the energy consumption is also increased.

Third, after the half-piece blade cuts the hedge, because the blade and the hedge are cut at one time, the workers need to break and cut the scraps when collecting the scraps, so as to facilitate subsequent bagging and transportation, but this method Undoubtedly, it also increased the output of labor force.

It can be seen from the above that the prior art obviously has inconvenience and defects in practical use, so it is necessary to improve it.

Utility model content

Aiming at the defects in the prior art, the utility model provides a hedge trimming tool, which is used to solve the problem that when the trimming tool rotates in the traditional technology, there is an eccentric force, which is easy to cause the tool to loosen and the phenomenon of flying knives occurs; it is necessary to increase the rotational speed of the tool , so as to realize the cutting of the hedge; and the pruned broken branches, in order to facilitate the bagging, the problem of manual secondary breaking and cutting is required.

To achieve the above object, the utility model provides the following technical solutions:

A hedge trimming cutter, comprising an upper cutter and a lower cutter arranged vertically and horizontally, and a thinning space is formed between the upper cutter and the lower cutter, and in a top view state, the upper cutter and the lower cutter The knives are arranged vertically.

As an improved solution, both ends of the lower cutter are provided with arc-shaped plates for forming a rotating airflow during rotation.

As an improved solution, a fixed seat is installed between the center position of the upper tool and the center position of the lower tool.

As an improved solution, the upper tool and the lower tool are in the same rotational trajectory.

As an improved solution, the lower tool includes a lower tool seat plate, two ends of the lower tool seat plate are respectively fixed with connecting plates inclined downward, and a horizontally arranged lower tool is fixed through the connecting plates The two lower cutter bodies are respectively provided with lower blades on the side walls in front of the rotation direction.

As an improved solution, the arc-shaped plate is fixed on the lower cutter body.

As an improved solution, the arc-shaped plate is located on the side wall of the lower cutter body behind the rotation direction.

As an improved solution, the upper cutter includes an upper cutter body, and upper cutter edges are respectively provided on the side walls at the two ends of the upper cutter body in front of the rotation direction.

As an improved solution, a fixing hole is further opened at the center position of the upper tool and the center position of the lower tool, and is mounted on the fixing seat through the fixing hole.

As an improved solution, the lower blade and the upper blade are in the same rotational trajectory.

As an improved solution, the fixed seat is a cylindrical body.

Compared with the prior art, the beneficial effects of the present utility model are:

Using the arc-shaped plate to make a rotating motion can form a rotating updraft, and the rotating updraft can blow up the trimmed branches and leaves, and the arc-shaped plate also has the function of throwing the broken branches and leaves upward; the upward movement of the broken branches can also cooperate with the collection The device realizes collection; realizes that the cut branches are cut again with the cutter above, which is convenient for manual bagging of the thinned branches; realizes rotation along the center of the cutter to ensure the stability during rotation; and the two cutters have 4 The blade can achieve 4 times the cutting efficiency per unit time of the half-piece cutter in the prior art; while realizing low-speed rotation, it realizes high cutting times with hedges, reducing energy consumption; and reducing tool wear; and There are four blades that rotate along the center to further improve the stability of rotation; the rotation trajectory of the two tools is the same to ensure the coaxiality of the two tools; to prevent the parts from loosening and the blade flying, ensuring the work Safety of personnel and passing vehicles; reasonable design and precise coordination between structures; convenient and fast; simplification of follow-up components, reducing the occurrence of failure rates in the working process; improving the stability of the working process; fewer parts, simple procedures, and failure rate Low; simple structure, long service life.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required for the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the top view state of the utility model;

Fig. 3 is the structural representation of the main view state of the utility model;

In the figure: 1-upper cutter body; 2-upper blade; 3-lower cutter seat plate; 4-connection plate; 5-arc plate; 6-lower cutter body; 7-fixed seat; 8-fixed hole; 9- Lower blade.

Detailed ways

The embodiments of the technical solutions of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

As shown in Figures 1 to 3, the hedge trimming cutter includes an upper cutter and a lower cutter that are arranged horizontally up and down, and a thinning space is formed between the upper cutter and the lower cutter, and in a top view, the upper cutter and the lower cutter The knives are arranged vertically.

Both ends of the lower cutter are provided with arc-shaped plates 5 which are used to form a swirling airflow during rotation.

A fixed seat 7 is installed between the center position of the upper tool and the center position of the lower tool.

The upper tool and the lower tool are in the same rotation path.

The lower tool includes a lower tool seat plate 3, and two ends of the lower tool seat plate 3 are respectively fixed with a connecting plate 4 inclined downward, and a horizontally arranged lower tool body 6 is fixed through the connecting plate 4. Two lower tool bodies 6 Lower cutting edges 9 are respectively opened on the side walls at the front in the rotation direction.

The arc-shaped plate 5 is fixed on the lower cutter body 6 .

The arc-shaped plate 5 is located on the side wall of the lower cutter body 6 at the rear in the rotation direction.

The upper cutter includes an upper cutter body 1 , and upper cutter edges 2 are respectively provided on the side walls at the two ends of the upper cutter body 1 which are located in front of the rotation direction.

The center position of the upper tool and the center position of the lower tool are also provided with fixing holes 8 respectively, and are mounted on the fixing seat 7 by bolts through the fixing holes 8 .

The lower blade 9 and the upper blade 2 are in the same rotational trajectory.

The fixed seat 7 is a cylindrical body, which not only plays a supporting role, but also ensures the stability of the tool when it rotates.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model The scope of the technical solution should be covered by the scope of the claims and description of the present invention.

Claims (10)

1. A hedge trimming cutter, characterized in that: it comprises an upper cutter and a lower cutter that are arranged horizontally up and down, and a thinning space is formed between the upper cutter and the lower cutter, and in a top view state, the The upper cutter and the lower cutter are vertically arranged. 2 . The hedge trimming tool according to claim 1 , characterized in that: both ends of the lower tool are provided with arc-shaped plates ( 5 ) for forming a swirling airflow during rotation. 3 . 3 . The hedge trimming tool according to claim 1 , wherein a fixed seat ( 7 ) is installed between the central position of the upper cutter and the central position of the lower cutter. 4 . 4 . The hedge trimming cutter according to claim 1 , wherein the upper cutter and the lower cutter are in the same rotation trajectory. 5 . 5. A hedge trimming cutter according to claim 2, wherein the lower cutter comprises a lower cutter seat plate (3), and two ends of the lower cutter seat plate (3) are respectively inclined downwardly and fixedly connected There is a connecting plate (4), and a horizontally arranged lower cutter body (6) is fixedly connected through the connecting plate (4), and the two lower cutter bodies (6) are respectively provided with openings on the side walls in front of the rotation direction There is a lower blade (9). 6 . The hedge trimming tool according to claim 5 , wherein the arc-shaped plate ( 5 ) is fixed on the lower cutter body ( 6 ). 7 . 7 . The hedge trimming tool according to claim 5 , wherein the arc-shaped plate ( 5 ) is located on the side wall of the lower cutter body ( 6 ) at the rear in the rotation direction. 8 . 8. A hedge trimming cutter according to claim 5, characterized in that: the upper cutter comprises an upper cutter body (1), and both ends of the upper cutter body (1) are located on the side wall in front of the rotation direction The upper blades (2) are respectively opened. 9 . The hedge trimming tool according to claim 3 , wherein a fixing hole ( 8 ) is respectively opened at the center position of the upper tool and the center position of the lower tool, and passes through the fixing hole. 10 . (8) is mounted on the fixing seat (7). 10 . The hedge trimming tool according to claim 8 , wherein the lower blade ( 9 ) and the upper blade ( 2 ) are in the same rotation trajectory. 11 .

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