CN209812613U

CN209812613U - Branch trimming device

Info

Publication number: CN209812613U
Application number: CN201920437040.0U
Authority: CN
Inventors: 张新华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-12-20
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to a branch trimming device, which effectively solves the problem that the large branch is hard to be removed; the technical scheme includes that the device comprises a first hollow pipe, a vertical rod, the upper end of which extends out of the first hollow pipe and can slide in the first hollow pipe, is coaxially fixed in the first hollow pipe, a scraper knife is fixed at the upper end of the vertical rod, a tension spring is sleeved on the part, arranged in the first hollow pipe, of the lower end of the vertical rod, a second hollow pipe, which can slide close to the first hollow pipe, is sleeved on the outer side of the first hollow pipe, a left side cross shaft penetrating through the second hollow pipe is arranged at the bottom of the second hollow pipe, a winding wheel is fixed on the part, arranged in the second hollow pipe, of the cross shaft, a rope is wound on the winding wheel, the other end of the rope is fixedly connected with the bottom of the vertical rod, a turntable is arranged on the part, arranged on the outer side of the second hollow pipe, of the right end of.

Description

Branch trimming device

Technical Field

The utility model relates to an equipment branch trimming equipment field, especially a branch trimming device.

Background

In order to achieve better growth of trees, branches generally need to be trimmed, a traditional method for trimming the branches mostly adopts tools such as a sickle, a shovel or a saw and the like to trim the branches, the small branches can be directly removed through the sickle or the shovel, some larger branches can be shoveled off only by applying force for many times, or the saw is used, the large branches can damage hands of force applicators under the action of recoil force after applying force for many times, the use of the saw increases trimming time, and at the present stage, electric trimming equipment is further arranged, but the electric trimming equipment is not very suitable for places which are as large as a forest farm and lack of power supply.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model provides a branch trimming device, effectual big branch fork of having solved is hard problem when the shovel removes.

The technical scheme includes that the device comprises a first hollow pipe, a vertical rod is coaxially fixed in the first hollow pipe, the upper end of the vertical rod extends out of the first hollow pipe and can slide in the first hollow pipe, a scraper knife is fixed at the upper end of the vertical rod, a tension spring is sleeved on the part, arranged in the first hollow pipe, of the lower end of the vertical rod, a second hollow pipe capable of sliding close to the first hollow pipe is sleeved on the outer side of the first hollow pipe, a left side transverse shaft penetrating through the second hollow pipe is arranged at the bottom of the second hollow pipe, a winding wheel is fixed on the part, arranged in the second hollow pipe, of the transverse shaft, a rope is wound on the winding wheel, the other end of the rope is fixedly connected with the bottom of the vertical rod, a turntable is arranged on the part, arranged on the outer side of the second hollow pipe, of the right end of the transverse.

The utility model discloses think about novelty, the structure is ingenious, and the practicality is strong, through holding power and the effectual problem of hindering the hand hard when the spading of big branch crotch of having solved of release in the twinkling of an eye of spiller knife.

Drawings

Fig. 1 is a front sectional view of the present invention in its contracted state.

Fig. 2 is a left side view of the present invention when retracted.

Fig. 3 is a right side view of the present invention when retracted.

Fig. 4 is a front sectional view of the utility model when it is extended.

Fig. 5 is a partially enlarged view of the area a in fig. 1 according to the present invention.

Fig. 6 is a partially enlarged view of the area B in fig. 2 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

From fig. 1 to 6 can know, the utility model discloses a first hollow tube 1, coaxial fixed has an upper end to stretch out first hollow tube 1 and can be in its inside gliding pole setting 2 in first hollow tube 1, the upper end of pole setting 2 is fixed with spiller 3, the partial cover that the lower extreme of pole setting 2 was arranged in first hollow tube 1 is equipped with the extension spring 4 that can make it upwards reset, the outside cover of first hollow tube 1 is equipped with can rather than gliding second hollow tube 5 of adherence, the bottom of second hollow tube 5 is equipped with the left and right sides cross axle that runs through second hollow tube 5, the part that the cross axle was arranged in second hollow tube 5 is fixed with reel 6, the winding has rope 7 on reel 6, the other end of rope 7 and the bottom fixed connection of pole setting 2, the right-hand member of cross axle is arranged in the part in the second hollow tube 5 outside and is installed carousel 8, the part that the left end of cross axle was arranged in the second hollow tube 5 outside is installed and is made its unidirectional.

In order to realize the installation of extension spring 4, the upper end of first hollow tube 1 is equipped with a sealing disc 9, and pole setting 2 runs through a sealing disc 9, and the lower extreme of pole setting 2 is fixed with keeps off the dish 10, keeps off the dish 10 and can slide with 1 adherence of first hollow tube, and the other end is fixed on a sealing disc 9 and keeps off the dish 10 at the one end of extension spring 4.

In order to fix the first hollow pipe 1 and the second hollow pipe 5, a plurality of positioning holes 11 are uniformly distributed on the left side of the first hollow pipe 1 at intervals along the axis of the first hollow pipe, and two fastening bolts 12 capable of being matched with the positioning holes 11 are arranged on the upper end of the second hollow pipe 5 at intervals along the axis of the second hollow pipe.

In order to facilitate the holding of the device, a handle 13 is arranged at the lower end of the second hollow pipe 5, and an anti-skid sleeve is arranged on the handle 13.

In order to facilitate the resetting of the device, the ratchet wheel 19 is sleeved at the left end of the transverse shaft, a protective shell is arranged on the outer side of the ratchet wheel 19, a cross rod 15 is arranged below the ratchet wheel 19, the pawl 14 is sleeved on the cross rod 15 and can move left and right on the cross rod 15, a pressure spring 16 capable of enabling the pawl 14 to reset rightwards is arranged on the cross rod 15, one end of the pressure spring 16 is fixed on the cross rod 15, the other end of the pressure spring is fixed on the pawl 14, and a shifting.

In order to facilitate the positioning of the vertical rod 2, a pin hole 18 is formed in the upper end, extending out of the first hollow tube 1, of the vertical rod 2 in a natural telescopic state, and a positioning pin can be installed in the pin hole 18 in a matched mode.

The utility model discloses a concrete working process is: when the device is used, the device is divided into a plurality of stages, when small branches at low positions are removed, the first hollow pipe 1 is contracted into the second hollow pipe 5, the first hollow pipe 1 is fixed in the second hollow pipe 5 through the matching of the fastening bolt 12 and the positioning hole 11, the pin is penetrated in the pin hole 18 to realize the rigid connection between the scraper knife 3 and the first hollow pipe 1, and the small branches are directly removed through the scraper knife 3.

When the big branch at the low position is removed, the pin is removed, the first hollow tube 1 is kept to be contracted into the second hollow tube 5, the lower turntable 8 drives the cross shaft to rotate when the turntable 8 is rotated, the cross shaft rotates and then tightens the rope 7 through the wire winding wheel 6 to realize the force accumulation of the scraper knife 3, meanwhile, the ratchet wheel 19 and the pawl 14 realize the one-way motion of the wire winding wheel 6, after the force accumulation is completed, the deflector rod 17 is stirred to the left side, the pawl 14 slides to the left side and is separated from the ratchet wheel 19, the pawl 14 is not bound to the ratchet wheel 19, the wire winding wheel 6 is reset under the action of the tension spring 4, and meanwhile, the generated impact force can realize the instant big branch removal.

When the small branch or the big branch at the high position is removed, the method only needs to be matched with the method for removing the small branch or the big branch at the low position to pull out the first hollow pipe 1 with proper length from the second hollow pipe 5 to increase the length of the device.

The pawl 14 of the device is arranged below the ratchet wheel 19, so that the pawl 14 capable of automatically resetting towards the ratchet wheel 19 is adopted, and the pawl 14 is not described in detail in the prior art.

The significant benefits of the present device: when the device is used for pruning the big branches, the rotation of the transverse shaft is realized by rotating the turntable 8, the rotation of the transverse shaft can enable the winding wheel 6 to rotate, the diameter of the turntable 8 is obviously larger than that of the transverse shaft and the winding wheel 6 in the process, therefore, the labor is saved by tightening the rope 7 by rotating the turntable 8, the power accumulation of the scraper knife 3 is realized by stretching, the scraper knife 3 is reset by disengaging the ratchet 19 and the pawl 14 structure after the power accumulation is completed, the big branches are removed, and the big branches are removed more quickly, efficiently and labor-saving.

Claims

1. A tree branch trimming device comprises a first hollow pipe (1) and is characterized in that a vertical rod (2) with the upper end extending out of the first hollow pipe (1) and capable of sliding in the first hollow pipe is coaxially fixed in the first hollow pipe (1), a scraper knife (3) is fixed at the upper end of the vertical rod (2), a tension spring (4) capable of enabling the vertical rod to reset upwards is sleeved on the part, arranged in the first hollow pipe (1), of the lower end of the vertical rod (2), a second hollow pipe (5) capable of sliding close to the first hollow pipe is sleeved on the outer side of the first hollow pipe (1), a left lateral shaft penetrating through the second hollow pipe (5) is arranged at the bottom of the second hollow pipe (5), a winding wheel (6) is fixed on the part, a rope (7) is wound on the winding wheel (6), the other end of the rope (7) is fixedly connected with the bottom of the vertical rod (2), a turntable (8) is arranged at the part, arranged on the outer side of the second hollow pipe, the part of the left end of the cross shaft, which is arranged outside the second hollow pipe (5), is provided with a ratchet wheel and pawl structure which can make the cross shaft rotate in one direction.

2. The branch trimming device according to claim 1, wherein a sealing disc (9) is arranged at the upper end of the first hollow pipe (1), the vertical rod (2) penetrates through the sealing disc (9), a blocking disc (10) is fixed at the lower end of the vertical rod (2), the blocking disc (10) can slide against the first hollow pipe (1), one end of the tension spring (4) is fixed on the sealing disc (9), and the other end of the tension spring is fixed on the blocking disc (10).

3. The branch trimming device according to claim 1, wherein the left side of the first hollow tube (1) is sequentially provided with a plurality of positioning holes (11) at intervals along the axis thereof, and the upper end of the second hollow tube (5) is provided with two fastening bolts (12) at intervals along the axis thereof, wherein the two fastening bolts can be matched with the positioning holes (11).

4. The branch trimming device according to claim 1, wherein the second hollow tube (5) is provided at its lower end with a handle (13), the handle (13) being provided with an anti-slip cover.

5. The branch trimming device according to claim 1, wherein the ratchet wheel (19) is sleeved at the left end of the transverse shaft, a protective shell is arranged on the outer side of the ratchet wheel (19), a cross rod (15) is arranged below the ratchet wheel (19), the pawl (14) is sleeved on the cross rod (15) and can move left and right on the cross rod (15), a pressure spring (16) capable of enabling the pawl (14) to reset rightwards is arranged on the cross rod (15), one end of the pressure spring (16) is fixed on the cross rod (15), the other end of the pressure spring is fixed on the pawl (14), and a driving lever (17) is arranged below the pawl (14).

6. The branch trimming device according to claim 1, wherein the vertical rod (2) is provided with a pin hole (18) at the upper end extending out of the first hollow tube (1) in the natural telescopic state, and a positioning pin can be arranged in the pin hole (18) in a matching manner.