CN217011882U

CN217011882U - Portable forest tending and pruning brush cutter

Info

Publication number: CN217011882U
Application number: CN202220915614.2U
Authority: CN
Inventors: 温桂良
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-22
Anticipated expiration: 2032-04-20

Abstract

The utility model provides a portable forest tending and pruning brush cutter, and belongs to the technical field of brush cutters. The technical scheme is that the device mainly aims at the problem that the existing device is not convenient to carry, and comprises a fixed rod, a telescopic rod and a driving assembly, wherein the driving assembly is connected with a transmission flexible shaft, the transmission flexible shaft is connected with a transmission assembly, the tail end of the transmission assembly is provided with a cutting disc, the telescopic rod penetrates through the fixed rod, the telescopic rod is provided with a limiting block, the limiting block penetrates through a limiting groove, a positioning pin and a positioning spring penetrate through the limiting block, the top end of the positioning pin penetrates through a fixed strip on the fixed rod, a moving rod penetrates through the fixed strip, and an extrusion block is arranged on the moving rod; through the arrangement of the fixed rod, the telescopic rod, the fixed strip, the positioning pin, the positioning spring, the moving rod and the extrusion rod, the device can be stored and is convenient to carry; through the setting of first transmission shaft, secondary drive axle, axis of rotation and bevel gear, the weight of telescopic link has been alleviateed for the device is used more conveniently.

Description

Portable forest tending, pruning and brush-cutting machine

Technical Field

The utility model relates to the technical field of brush cutters, in particular to a portable forest tending and pruning brush cutter.

Background

Forest tending is measures taken to ensure survival of young forests, promote growth of forests, improve forest composition and the like in the forestation process. In the forest tending process, branches are frequently required to be trimmed, so that dead knots are reduced, and therefore a pruning brush cutter is required.

The utility model discloses a brush cutter, this brush cutter is provided with the guard plate, goes up to press the bridge and push down the bridge, intercepts the vegetation that splashes through the guard plate, avoids injuring the staff, loosens and presses the bridge and push down the bridge, slides the adjustment and fasten again on the bracing piece for the guard plate can be adjusted, reduces the whole space that occupies of guard plate.

Traditional brush cutter has drive assembly, control lever and cutting disc to constitute usually, and for better cutting branch, the length of control lever is generally longer, but its length is fixed, can't adjust for the whole length of device is longer, leads to the staff to carry not convenient enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a portable forest tending and pruning brush cutter, which aims to solve the problem that the existing device is not convenient to carry.

The utility model relates to a purpose and an effect of a portable forest tending and pruning brush cutter, which are achieved by the following specific technical means:

a portable forest tending and pruning brush cutter comprises a fixed rod, a telescopic rod and a driving assembly, wherein the driving assembly is arranged on a back plate, the output end of the driving assembly is connected with one end of a transmission flexible shaft, the other end of the transmission flexible shaft is connected with the transmission assembly, the tail end of the transmission assembly is provided with a cutting disc, the transmission assembly is arranged in the fixed rod and the telescopic rod in a penetrating manner, the telescopic rod is arranged in the fixed rod in a penetrating manner, the telescopic rod is provided with a limiting block which is arranged in a limiting groove in a penetrating manner, a positioning pin and a positioning spring are respectively arranged in the limiting block in a penetrating manner, the positioning spring is connected with the bottom end of the positioning pin, the top end of the positioning pin is arranged in a fixing strip in a penetrating manner, the fixing strip is arranged on the fixed rod, a moving rod is arranged in the fixing strip in a penetrating manner, and an extrusion block is arranged on the moving rod, the extrusion block is positioned on one side of the positioning pin.

The above technical solution further comprises: the transmission assembly comprises a first transmission shaft, a second transmission shaft and a rotation shaft, the first transmission shaft penetrates through the fixed rod and is connected with the transmission flexible shaft, the second transmission shaft and the rotation shaft penetrate through the telescopic rod, one end of the second transmission shaft penetrates through the first transmission shaft, the other end of the second transmission shaft and the top end of the rotation shaft are provided with bevel gears, the two bevel gears are meshed, and the bottom end of the rotation shaft is provided with the cutting disc.

The above technical solution further comprises: the fixed rod is respectively provided with an operating handle and an auxiliary handle, the transmission flexible shaft penetrates through the operating handle and then is connected with the first transmission shaft, and the operating handle and the auxiliary handle are respectively provided with an anti-skidding sleeve in a sleeved mode.

The above technical solution further comprises: the transmission flexible shaft is sleeved with a protective soft sleeve, one end of the protective soft sleeve is connected with the control handle, and the other end of the protective soft sleeve is connected with the driving assembly.

The above technical solution further comprises: the movable rod is provided with a movable ring, the movable ring is sleeved on the fixed rod, and the movable ring and the fixed strip are both provided with magnets.

The above technical solution further comprises: the back plate is respectively provided with a soft cushion and a back strap.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, under the action of a positioning spring, a positioning pin is inserted into a fixing strip, so that the telescopic rod is fixed and prevented from moving, the device is kept in an unfolded state, and the use of workers is facilitated; after the device is used, the movable rod is pulled towards the direction of the auxiliary handle, so that the movable rod drives the extrusion block to move in the fixed strip, the positioning pin is extruded out of the fixed strip and is completely retracted into the limiting block, the locking of the telescopic rod is released, the telescopic rod is retracted into the fixed rod, and the whole length of the device can be shortened; through setting up of dead lever, telescopic link, fixed strip, locating pin, location spring, carriage release lever and stripper bar for the device can be accomodate, portable.

Secondly, when the telescopic rod moves in the fixed rod, the second transmission shaft also moves in the first transmission shaft and is always connected with the second transmission shaft and the first transmission shaft, and the driving assembly drives the first transmission shaft to rotate through the transmission flexible shaft, so that the second transmission shaft can drive the rotating shaft to rotate through the bevel gear, and the cutting disc is driven to rotate; through the setting of first transmission shaft, secondary drive axle, axis of rotation and bevel gear for the device is avoided motor or driver part direct mount on the telescopic link, has alleviateed the weight of telescopic link, makes the device use more convenient.

Drawings

FIG. 1 is an overall view of a portable forest tending pruning brush cutter of the utility model.

Fig. 2 is an explosion diagram of the portable forest tending, pruning and brush cutting machine.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is an enlarged schematic view of the region B in fig. 2.

Fig. 5 is a sectional view of a fixed rod and a telescopic rod in the portable forest tending, pruning and brush cutting machine.

Fig. 6 is a schematic view of a storage state of the portable forest tending pruning and brush cutting machine.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a back plate; 2. a protective soft sleeve; 3. a fixing rod; 4. a telescopic rod; 5. cutting a disc; 6. an auxiliary handle; 7. a rotating shaft; 8. a bevel gear; 9. extruding the block; 10. a first transmission shaft; 11. a fixing strip; 12. an anti-slip sleeve; 13. a flexible transmission shaft; 14. a drive assembly; 15. a soft cushion; 16. a harness; 17. a handle; 18. a second transmission shaft; 19. a magnet; 20. a travel bar; 21. a moving ring; 22. positioning pins; 23. a positioning spring; 24. a limiting block; 25. a limiting groove.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Example (b):

as shown in figures 1 to 6:

the utility model provides a portable forest tending, pruning and brush cutting machine which comprises a fixed rod 3, a telescopic rod 4 and a driving assembly 14, wherein the driving assembly 14 is arranged on a back plate 1, the output end of the driving assembly 14 is connected with a transmission flexible shaft 13, the transmission flexible shaft 13 is connected with the transmission assembly, a cutting disc 5 is arranged at the tail end of the transmission assembly, the telescopic rod 4 is arranged in the fixed rod 3 in a penetrating manner, a limiting block 24 is arranged on the telescopic rod 4, the limiting block 24 is arranged in a limiting groove 25 in the fixed rod 3 in a penetrating manner, a positioning pin 22 and a positioning spring 23 are arranged in the limiting block 24 in a penetrating manner, the top end of the positioning pin 22 is arranged in a penetrating manner in a fixed strip 11, the fixed strip 11 is arranged on the fixed rod 3, a moving rod 20 is arranged in a penetrating manner, and an extrusion block 9 is arranged on the moving rod 20. After the device finishes using, to 6 direction pulling carriage release levers 20 of supplementary handle for carriage release lever 20

drives extrusion piece

9 and 11 removes in the fixed strip, extrudees locating pin 22 through extrusion piece 9, extrude locating pin 22 outside the fixed strip 11, and withdraw in the stopper 24 completely, thereby remove the locking to telescopic link 4, withdraw in dead lever 3 telescopic link 4, can shorten the whole length of device, make the device carry more convenient.

Refer to as if fig. 2 and 5, drive assembly includes first transmission shaft 10, secondary drive axle 18 and axis of rotation 7, first transmission shaft 10 wears to establish in dead lever 3, first transmission shaft 10 is connected with the flexible transmission shaft 13, secondary drive axle 18 all wears to establish in telescopic link 4 with axis of

rotation

7, 18 one end of secondary drive axle wears to establish in first transmission shaft 10, the 18 other end of secondary drive axle all is provided with bevel gear 8 with 7 tops of axis of rotation, two sets of bevel gear 8 mesh mutually, 7 bottoms of axis of rotation are provided with cutting disc 5. When telescopic link 4 removed in dead lever 3, second transmission shaft 18 removed in first transmission shaft 10, make second transmission shaft 18 be connected with first transmission shaft 10 all the time, start drive assembly 14, it is rotatory to drive first transmission shaft 10 through transmission flexible axle 13, thereby it is rotatory to make second transmission shaft 18 drive axis of rotation 7 through bevel gear 8, make cutting disc 5 rotate, need not to install motor or drive arrangement on telescopic link 4, the weight of telescopic link 4 has been alleviateed, make the operating means that the staff can relax more.

Referring to fig. 1 and 2, the fixing rod 3 is provided with an operating handle 17 and an auxiliary handle 6, the flexible transmission shaft 13 passes through the operating handle 17 and then is connected with the first transmission shaft 10, and the operating handle 17 and the auxiliary handle 6 are both provided with anti-skidding sleeves 12. The fixing rod 3 can be held by a worker more easily through the operating handle 17 and the auxiliary handle 6, and the operation is more convenient; the anti-slip sleeve 12 can increase friction and avoid the condition that the hands of workers slip.

Referring to fig. 1 and fig. 2, a protective soft sleeve 2 is sleeved outside the transmission soft shaft 13, one end of the protective soft sleeve 2 is connected with an operating handle 17, and the other end of the protective soft sleeve 2 is connected with a driving component 14. The protective soft sleeve 2 wraps the transmission soft shaft 13, so that the transmission soft shaft 13 can be prevented from being damaged, and the device is more durable.

Referring to fig. 3, the moving rod 20 is provided with a moving ring 21, the moving ring 21 is sleeved on the fixed rod 3, and the moving ring 21 and the fixed bar 11 are both provided with magnets 19. Promote shift ring 21, can drive the carriage release lever 20 and remove for the staff operation is lighter, and magnet 19 can be fixed with shift ring 21 absorption, thereby avoids shift ring 20 to drive extrusion piece 9 and removes at will, makes the device more reliable.

Referring to fig. 2, the backboard 1 is provided with a cushion 15 and a strap 16. The straps 16 enable a worker to carry the backboard 1 on the back, so that the movement operation is convenient; the soft cushion 15 enables the back plate 1 to be in soft contact with the back of a worker, and improves the comfort of the device.

The specific use mode and function of the embodiment are as follows: when the device is used, under the action of the positioning spring 23, the positioning pin 22 is inserted into the fixing strip 11, so that the telescopic rod 4 is fixed and prevented from moving, the device is kept in an unfolded state, the driving assembly 14 is started, the first transmission shaft 10 is driven to rotate through the transmission flexible shaft 13, the second transmission shaft 18 is driven to rotate through the bevel gear 8, the rotating shaft 7 is driven to rotate, the cutting disc 5 is driven to rotate, the rear part is driven, the weight of the telescopic rod 4 is reduced, and the operating device can be operated by a worker more easily. After the device finishes using, to 6 direction pulling carriage release levers 20 of supplementary handle for carriage release lever 20

drives extrusion piece

9 and 11 removes in the fixed strip, extrudees locating pin 22 through extrusion piece 9, extrudees outside fixed strip 11 with locating pin 22, and withdraws in stopper 24 completely, thereby removes the locking to telescopic link 4, in withdrawing dead lever 3 with telescopic link 4, can shorten the whole length of device, makes the device carry more convenient.

Claims

1. The utility model provides a portable forest fosters pruning brush cutter, includes dead lever (3), telescopic link (4) and drive assembly (14), drive assembly (14) set up on backplate (1), its characterized in that: the output end of the driving component (14) is connected with one end of a transmission flexible shaft (13), the other end of the transmission flexible shaft (13) is connected with a transmission component, the tail end of the transmission component is provided with a cutting disc (5), the transmission component is arranged in the fixed rod (3) and the telescopic rod (4) in a penetrating way, the telescopic rod (4) is arranged in the fixed rod (3) in a penetrating way, the telescopic rod (4) is provided with a limiting block (24), the limiting block (24) is arranged in a limiting groove (25) in a penetrating way, the limiting groove (25) is arranged in the fixed rod (3), the limiting block (24) is internally provided with a positioning pin (22) and a positioning spring (23) in a penetrating way, the positioning spring (23) is connected with the bottom end of the positioning pin (22), the top end of the positioning pin (22) is arranged in the fixed strip (11), and the fixed strip (11) is arranged on the fixed rod (3), a moving rod (20) penetrates through the fixing strip (11), an extrusion block (9) is arranged on the moving rod (20), and the extrusion block (9) is located on one side of the positioning pin (22).

2. A portable forest tending pruning and brush cutting machine as defined in claim 1, wherein: the transmission assembly comprises a first transmission shaft (10), a second transmission shaft (18) and a rotating shaft (7), the first transmission shaft (10) penetrates through the fixing rod (3), the first transmission shaft (10) is connected with the transmission flexible shaft (13), the second transmission shaft (18) and the rotating shaft (7) penetrate through the telescopic rod (4), one end of the second transmission shaft (18) penetrates through the first transmission shaft (10), the other end of the second transmission shaft (18) and the top end of the rotating shaft (7) are provided with bevel gears (8), the two groups of bevel gears (8) are meshed, and the bottom end of the rotating shaft (7) is provided with the cutting disc (5).

3. A portable forest tending and pruning brush cutter as claimed in claim 2, wherein: the anti-skidding type bicycle transmission device is characterized in that an operating handle (17) and an auxiliary handle (6) are respectively arranged on the fixed rod (3), the transmission flexible shaft (13) penetrates through the operating handle (17) and then is connected with the first transmission shaft (10), and the operating handle (17) and the auxiliary handle (6) are respectively provided with an anti-skidding sleeve (12).

4. A portable forest tending, pruning and brush cutting machine as claimed in claim 3, wherein: the transmission flexible shaft (13) is sleeved with a protective soft sleeve (2), one end of the protective soft sleeve (2) is connected with the control handle (17), and the other end of the protective soft sleeve (2) is connected with the driving assembly (14).

5. A portable forest tending, pruning and brush cutting machine as claimed in claim 1, wherein: a moving ring (21) is arranged on the moving rod (20), the moving ring (21) is sleeved on the fixed rod (3), and magnets (19) are arranged on the moving ring (21) and the fixed strip (11).

6. A portable forest tending, pruning and brush cutting machine as claimed in claim 1, wherein: the back plate (1) is respectively provided with a soft cushion (15) and a back strap (16).