CN211721181U - A shrub trimming device - Google Patents

Abstract

The utility model relates to the field of landscaping, and particularly discloses a shrub trimming device, which comprises a base, a support base is fixedly connected to the base, a telescopic operation rod is rotatably connected to the support base, and one end of the operation rod away from the support base is fixedly connected with a support base. The support plate is rotatably connected with a two-way screw rod, and the two threaded segments of the two-way screw rod are respectively sleeved with threaded blocks which are threadedly connected with them. A trimmer is attached. The device solves the problem that the existing shrub trimming device can only trim shrubs with a single height, and the equipment has a small scope of application.

Description

A shrub trimming device

technical field

The utility model relates to the field of garden greening, in particular to a shrub trimming device.

Background technique

With the development of urban construction, urban greening has become an important task of beautifying the environment. In urban greening, shrubs occupy a large proportion of the green area due to their strong vitality, easy survival, beautiful appearance and evergreen in all seasons. Shrubs can usually be divided into flower shrubs, fruit shrubs, and branch shrubs. Due to their vigorous vitality and rapid growth, they need to be pruned regularly to maintain their beautiful appearance.

Usually, when pruning shrubs, manual pruning is mostly carried out by staff holding small pruning knives, which is not only intensive, but also has low pruning efficiency. For this reason, shrub pruning devices came into being. The shrub pruning devices in the prior art can usually only prune a single height of low shrubs or tall shrubs, and shrubs of different heights need to be equipped with different types of pruning devices, which require large equipment investment and small application scope.

Utility model content

The utility model is intended to provide a shrub trimming device, so as to solve the problem that the existing shrub trimming device can only trim shrubs of a single height, and the scope of application of the device is small.

In order to achieve the above purpose, the technical scheme of the present invention is as follows: a shrub trimming device, comprising a base, a support base is fixedly connected to the base, a telescopic operating rod is rotatably connected to the support base, and one end of the operating rod away from the support base is fixed. A support plate is connected, a two-way screw rod is rotatably connected to the support plate, two threaded segments of the two-way screw rod are respectively sleeved with threaded blocks connected with them, the screw blocks are slidably connected to the support plate, and the threaded blocks are Removably attached trimmer.

The principle and beneficial effects of this technical solution are as follows: in this technical solution, the base acts as an integral support to ensure stable connection between components, and the support base is used to connect the operating rod. Since the operating rod is rotatably connected to the support base, through Rotating the operating rod can realize the adjustment of the height of the end of the operating rod, that is, the adjustment of the cutting height can be realized. In addition, the operating rod is set to be telescopic, and the trimming height can be further adjusted by adjusting the length of the operating rod, so that the device can be further suitable for trimming shrubs of different heights, and the applicable scope of the device is enlarged. The two-way screw is used to control the distance between the two trimmers, thereby controlling the trimming size and shape, increasing the diversity of trimming shapes and the flexibility of trimming size adjustment. At the same time, since the two pruning knives are respectively threaded on the two threaded parts of the bidirectional screw rod, the two pruning knives move along the bidirectional screw rod in the same distance during the rotation of the bidirectional screw rod, so that the bushes can be removed during the pruning process. Symmetrical pruning is done on both sides of the pruned shrub to make the pruned shrub look good.

Further, a supporting cylinder for supporting the operating rod is also fixedly connected to the base, and a movable assembly is connected between the top end of the supporting cylinder and the operating rod.

In this technical solution, since the operating rod is rotatably connected to the support seat, the support cylinder plays the role of supporting and fixing the position of the operating rod, ensuring the stability of the shrub pruning process. At the same time, since the operating rod needs to be adjusted in height during use, the Rotating, by arranging a movable assembly between the operating rod and the supporting cylinder, the supporting cylinder can stably support the operating rod, and at the same time, there is a certain degree of freedom of relative movement between the supporting cylinder and the operating rod.

Further, a connecting rod is fixed on the operating rod, and one end of the connecting rod far away from the operating rod is rotatably connected with an operating plate, the middle part of the two-way screw rod is coaxially fixed with a turntable, and a transmission belt is connected between the turntable and the operating disk.

In this technical solution, the connecting rod is used to support the operation panel. When the operator rotates the operation panel, the rotation of the turntable will be driven by the transmission belt, and then the bidirectional screw rod fixed coaxially with the turntable will be driven to rotate, and the relative movement of the two threaded blocks will be driven. Further, the adjustment of the distance between the two trimming knives is realized. Since the operating panel is arranged on the operating rod, the position height of the operating panel is lower than the position height of the bidirectional screw rod at the top of the operating rod, so that the operator is in a lower position, namely, It can control the rotation of the two-way screw, which is easy to operate.

Further, both the operating plate and the turntable are provided with belt grooves for accommodating the transmission belt, and the support plate is provided with a groove for accommodating the transmission belt.

In this technical solution, the belt groove between the operation plate and the turntable provides accommodation space for the transmission belt, and at the same time limits the position of the transmission belt to ensure the stability of the connection between the operation plate and the turntable; the groove on the support plate can also be a transmission belt. Provide accommodating space to prevent the support plate from hindering the movement of the drive belt.

Further, a counterweight box is fixedly connected to one end of the base away from the support cylinder, and a push handle is fixedly connected to the counterweight box.

In this technical solution, the counterweight box acts as a counterweight to ensure that the counterweight at both ends of the base is stable and avoids the base from tipping over due to uneven force at both ends.

Further, the bottom end of the base is fixedly connected with two supporting shafts arranged in parallel, and both ends of the supporting shafts are rotatably connected with runners.

In this technical solution, when the operator needs to move the trimming device, he pushes the pusher to make the runner rotate to drive the device to move, and the operation is convenient and labor-saving.

Further, the movable assembly includes a slideway fixed on the side wall of the operating rod, a slide block is slidably connected in the slideway, and one end of the slide block away from the slideway is hinged to the top end of the piston rod.

In this technical solution, when the height of the top end of the operating rod is adjusted, the piston rod is driven by the support cylinder to push the operating rod, so that the operating rod rotates, thereby changing the vertical height of the support plate at the top of the operating rod and the trimmer, so as to achieve different In the process of pruning high shrubs, due to the rotation of the operating rod, the connection point between the operating rod and the piston rod will have a certain displacement in the horizontal direction. The rotation of the operating rod and the movement of the cutting knife will be hindered, and the effective use of the device can be ensured.

Further, baffle plates are fixed on both ends of the support plate.

In this technical solution, when the pruning knife is pruning the shrubs, the pruned shrubs will splash due to the high-speed rotation of the pruning knife. At this time, the baffles at both ends of the support plate can block the pruned shrubs and avoid the pruned shrubs. The bushes fall to the outside of the bushes, so that they fall into the inside of the bushes. After the long-term humification, they can also provide nutrients to the bushes, which not only reduces the difficulty of the operator to clean up later, but also realizes the pruning of the bushes. recycle and re-use.

Further, the shape of the baffle is an arc shape.

In this technical solution, by setting the baffle in an arc shape, the wrapping shape of the inner buckle can be formed, which can not only enhance the shielding effect, but also avoid the edges and corners of the machine from accidentally injuring the operator and improve the safety of the equipment.

Further, a handle is rotatably connected to the eccentric position of the operating panel.

In the technical solution, a handle is provided at the eccentric position of the operation plate, which can facilitate the operator to rotate the operation plate, thereby facilitating the adjustment of the distance between the two trimming knives.

Description of drawings

Fig. 1 is the front view of the utility model embodiment 1;

Fig. 2 is the top view of the operating rod and the support plate in Embodiment 1 of the present utility model;

Fig. 3 is the front view of the utility model embodiment 2;

4 is a top view of the support plate in Embodiment 2 of the present invention.

Detailed ways

The following is further described in detail by specific embodiments:

Reference numerals in the accompanying drawings include: base 1, support base 2, operating rod 3, support plate 4, bidirectional screw 5, threaded block 6, trimmer 7, support cylinder 8, piston rod 9, connecting rod 10, Operation panel 11 , turntable 12 , transmission belt 13 , belt groove 14 , counterweight box 15 , push handle 16 , runner 17 , slideway 18 , slider 19 , baffle 20 , and push cylinder 21 .

The embodiment is basically as shown in FIG. 1 : a shrub trimming device, comprising a base 1 arranged horizontally, the bottom end of the base 1 is welded with two supporting shafts arranged in parallel, and both ends of the supporting shaft are rotatably connected with runners 17. . A support base 2 is fixedly connected to the base 1, a support rod is fixedly connected to the support base 2, and a telescopic operating rod 3 is rotatably connected to the top of the support rod. The structure of the telescopic operating rod 3 in this embodiment is the same as that of the prior art. The structure of the middle electric telescopic rod is the same (including the fixed part and the extension part), that is, the telescopic process can be realized through the electric control button, and the specific structure is not repeated here.

One end (right end) of the operating rod 3 away from the support base 2 is fixedly connected with a support plate 4 , as shown in FIG. The two-way screw 5, the two threaded sections of the two-way screw 5 are respectively sleeved with threaded blocks 6 that are threadedly connected with them, and the threaded blocks 6 are vertically slidably connected to the support plate 4, so that the threaded blocks 6 can follow the support plate 4. It slides up and down, and the thread block 6 can be screwed with a trimmer 7 . The trimmer 7 in this embodiment is an electric trimmer 7 . A connecting rod 10 is fixed on the operating rod 3 (on the fixed part), the connecting rod 10 is perpendicular to the axis of the operating rod 3, and one end of the connecting rod 10 away from the operating rod 3 is rotated and connected to an operating disk 11, and the eccentric position of the operating disk 11 is rotated. A handle is connected, a turntable 12 is fixed coaxially in the middle of the two-way screw rod 5, and a transmission belt 13 is wound in parallel between the turntable 12 and the operation panel 11, so that the turntable 12 and the operation panel 11 can rotate in the same direction under the drive of the transmission belt 13. , and both the operation panel 11 and the turntable 12 are provided with a belt groove 14 for accommodating the transmission belt 13 . The base 1 is also fixed with a support cylinder 8, the support cylinder 8 is located on the right side of the support base 2, the top end of the piston rod 9 of the support cylinder 8 is hinged with a sliding block 19, and the outer wall of the operating rod 3 is fixed with a sliding block along its axial direction. The slideway 18 is slidably connected in the slideway 18 . The end (left end) of the base 1 away from the support cylinder 8 is welded with a counterweight box 15 , a push handle 16 is fixed on the counterweight box 15 , and a motor for powering the trimmer 7 and the operating rod 3 is fixed on the base 1 .

The specific implementation process is as follows: First, adjust the position of the trimming knife 7 according to the height of the shrub to be trimmed. When the shrub to be trimmed is high, the piston rod 9 is controlled to move up by the support cylinder 8, and then the operating rod 3 is pushed to rotate counterclockwise around the connection point with the support base 2, so that the height of the right end of the operating rod 3 rises. , the slider 19 at the top of the piston rod 9 will slide along the slideway 18 on the outer wall of the operating rod 3 . Then the length of the operating rod 3 is adjusted (the operation process is the same as the process of adjusting the length of the electric telescopic rod in the prior art), so that the trimmer 7 is located at the top of the bush to be trimmed.

Then the operator adjusts the distance between the two trimming knives 7. When the distance between the two trimming knives 7 needs to be set farther, the operator holds the handle and rotates the operation panel 11 clockwise. The clockwise rotation drives the turntable 12 to rotate clockwise through the transmission belt 13, which in turn drives the bidirectional screw rod 5 coaxially fixed to the turntable 12 to rotate clockwise. Since the threaded block 6 is slidably connected to the support plate 4, the bidirectional screw rod 5 rotates clockwise. It will drive the two threaded blocks 6 threadedly connected to it to move away from each other along the axial direction of the bidirectional screw 5 , thereby increasing the distance between the two trimming knives 7 .

Then the support cylinder 8 controls the piston rod 9 to move downward, and the piston rod 9 will drive the operating rod 3 to rotate clockwise along the hinge point with the support base 2 during the downward movement, so that the trimmer 7 on the right end of the operating rod 3 gradually moves downward, The pruning blade 7 prunes the bush from top to bottom during the downward movement. During the process of pruning the bushes from top to bottom by the trimmers 7, the operator can turn the operation panel 11 at any time to adjust the distance between the two trimmers 7 (or do not rotate the operation panel 11 to adjust the two trimmers). The distance between the scissors 7, the specific operation depends on the actual requirements of the site), so that when the pruning knife 7 prunes the shrubs from top to bottom, the shrubs are pruned into different shapes, increasing the diversity of shrub pruning shapes. Since the two trimming knives 7 are respectively threaded on the two threaded portions of the bidirectional screw rod 5, during the rotation of the bidirectional screw rod 5, the two trimming knives 7 move along the bidirectional screw rod 5 at equal distances, so that during the trimming process Symmetrical pruning can be performed on both sides of the shrub, resulting in a beautiful appearance of the pruned shrub. After trimming, the operator can push the pusher 16 to rotate the wheel 17 to move the position of the trimming device.

The technical solution solves the problem that the existing shrub pruning device can only prune shrubs of a single height, and the equipment has a small scope of application.

Example 2

As shown in Figures 3 and 4, a shrub trimming device includes a laterally arranged base 1, the bottom end of the base 1 is welded with two support shafts arranged in parallel, and both ends of the support shaft are rotatably connected with runners 17. Two supporting cylinders 8 are fixedly connected to the base 1 , the tops of the piston rods of the two supporting cylinders 8 are fixedly fixed with horizontal support plates, and the tops of the two support plates are fixedly fixed with the same horizontally arranged support base 2 . The support base 2 is provided with a horizontal strip hole-shaped chute, and the chute is arranged through the support base 2 , and a support plate 4 is slidably connected in the chute.

As shown in FIG. 4 , both ends of the support plate 4 are integrally formed with connecting plates, a vertical bidirectional screw rod 5 is rotatably connected between the two connecting plates, and two threaded sections of the bidirectional screw rod 5 are respectively sleeved with The threaded block 6 is threadedly connected to it, and the threaded block 6 is vertically slidably connected to the support plate 4, so that the threaded block 6 can slide up and down along the support plate 4, and the threaded block 6 can be threadedly connected with a trimmer 7, The trimmer 7 in this embodiment is an electric trimmer 7 . The upper and lower ends of the support plate 4 are fixedly connected with arc-shaped baffles 20, and the baffles 20 can be used to block the trimmed shrubs and prevent them from splashing. A push cylinder 21 is fixedly connected to the left end of the support base 2 , and a piston rod 9 of the push cylinder 21 is fixedly connected to the left side wall of the support plate 4 .

A vertically arranged operation panel is slidably connected to the base 1 between the two support cylinders 8 , and an L-shaped connecting rod is fixed between the operation panel and the support plate 4 , so that the operation panel can move synchronously with the support plate and operate. The operation plate 11 is rotatably connected to the plate, the outer edge of the operation plate 11 is evenly distributed and fixed with a number of teeth, the eccentric position of the operation plate 11 is rotatably connected with a handle, and the middle of the two-way screw 5 is coaxially fixed with a turntable 12. The outer edge is also fixed with a number of teeth evenly distributed in the circumferential direction. A transmission belt 13 is wound in parallel between the turntable 12 and the operation panel 11. The transmission belt 13 in this embodiment is a chain-type transmission belt 13, so that the turntable 12 and the operation panel 11 13 is driven to rotate in the same direction. Due to the arrangement of the chute on the support base 2 , the support base 2 can provide accommodation space for the transmission belt 13 .

The end (left end) of the base 1 away from the support cylinder 8 is welded with a counterweight box 15 , a push handle 16 is fixed on the counterweight box 15 , and a motor for powering the trimmer 7 and the operating rod 3 is fixed on the base 1 .

In specific use, firstly adjust the position of the trimming knife 7 according to the height of the shrub to be trimmed. When the shrub to be trimmed is high, the piston rod 9 is controlled by the support cylinder 8 to move up, and the two piston rods 9 will push the support base 2 upward, so that the support base 2 moves up, which in turn drives the support plate 4 and the trimmer 7 to move up . Then, the support plate 4 is pushed to the right by pushing the cylinder 21, so that the support plate 4 slides to the right along the support base 2 to a designated position, and finally the trimmer 7 is positioned at the top of the shrub to be trimmed.

Then the operator adjusts the distance between the two trimming knives 7. When the distance between the two trimming knives 7 needs to be set farther, the operator holds the handle and rotates the operation panel 11 clockwise. The clockwise rotation drives the turntable 12 to rotate clockwise through the transmission belt 13, which in turn drives the bidirectional screw rod 5 coaxially fixed to the turntable 12 to rotate clockwise. Since the threaded block 6 is slidably connected to the support plate 4, the bidirectional screw rod 5 rotates clockwise. It will drive the two threaded blocks 6 threadedly connected to it to move away from each other along the axial direction of the bidirectional screw 5 , thereby increasing the distance between the two trimming knives 7 .

Then, the support cylinder 8 controls the piston rod 9 to move down, and drives the support base 2 and the trimmer 7 to move down, and the trimmer 7 trims the bushes from top to bottom during the process of moving down. During the process of pruning the bushes from top to bottom by the trimmers 7, the operator can turn the operation panel 11 at any time to adjust the distance between the two trimmers 7 (the operation panel 11 may not be rotated, depending on the actual situation of the site). Set), so that when 7 pairs of pruning blades prune the shrubs from top to bottom, the shrubs are pruned into different shapes, increasing the diversity of the pruning shapes of the shrubs. Since the two trimming knives 7 are respectively threaded on the two threaded portions of the bidirectional screw rod 5, during the rotation of the bidirectional screw rod 5, the two trimming knives 7 move along the bidirectional screw rod 5 at equal distances, so that during the trimming process Symmetrical pruning can be performed on both sides of the shrub, resulting in a beautiful appearance of the pruned shrub. After trimming, the operator can push the pusher 16 to rotate the wheel 17 to move the position of the trimming device.

In the process of pruning the bushes, since the pruning blade 7 is rotated rapidly, the pruned bushes will splash outward during the pruning process. At this time, the baffles 20 at both ends of the support plate 4 play a blocking role, which can prevent the pruning from falling off. The bushes splash to the outside of the bushes, so that the trimmed bushes fall to the ground in the bushes, so that they can supplement nutrients to the bushes during the humus process, and realize the reuse of the trimmed bushes.

The above are only the embodiments of the present invention, and common knowledge such as well-known specific technical solutions and/or characteristics in the solutions are not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the technical solution of the present utility model, several modifications and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the utility model and the practicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (10)

1. A shrub trimming device is characterized in that: comprising a base, a support base is fixedly connected to the base, a telescopic operating rod is rotatably connected on the support base, and one end of the operating rod away from the support base is fixed with a support plate, the support plate A two-way screw rod is rotatably connected to the upper part, and the two threaded segments of the two-way screw rod are respectively sleeved with threaded blocks that are threadedly connected with them. Scissors. 2 . The shrub trimming device according to claim 1 , wherein a supporting cylinder for supporting the operating rod is also fixedly connected to the base, and a movable assembly is connected between the top end of the supporting cylinder and the operating rod. 3 . 3 . The shrub trimming device according to claim 2 , wherein a connecting rod is fixedly connected to the operating rod, and one end of the connecting rod away from the operating rod is rotatably connected with an operating plate, and the middle part of the two-way screw rod is rotatably connected with an operating plate. 4 . A turntable is fixed coaxially, and a transmission belt is connected between the turntable and the operation panel. 4 . The shrub trimming device according to claim 3 , wherein the operating plate and the turntable are provided with belt grooves for accommodating the transmission belt, and the support plate is provided with a groove for accommodating the transmission belt. 5 . 5 . The shrub trimming device according to claim 4 , wherein a counterweight box is fixedly connected to one end of the base away from the support cylinder, and a push handle is fixedly connected to the counterweight box. 6 . 6 . The shrub trimming device according to claim 5 , wherein two parallel supporting shafts are fixedly connected to the bottom end of the base, and runners are rotatably connected to both ends of the supporting shafts. 7 . 7. A shrub trimming device according to claim 6, characterized in that: the movable assembly comprises a slideway fixed on the side wall of the operating rod, a slide block is slidably connected in the slideway, and the slide block is far from the slideway. One end is hinged to the top of the piston rod. 8 . The shrub trimming device according to claim 7 , wherein baffles are fixed on both ends of the support plate. 9 . 9 . The shrub trimming device according to claim 8 , wherein the shape of the baffle is an arc shape. 10 . 10 . The shrub trimming device according to claim 9 , wherein a handle is rotatably connected to the eccentric position of the operating plate. 11 .

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