Forest tending, pruning and brush cutting machine
By designing structures such as the support tube, cutting assembly and adjustment cylinder, the problem of insufficient waist support in the brush cutter is solved, comfort and safety are improved, and the system has high adaptability and is suitable for forest tending operations.
Patent Information
- Application Number
- CN202422701773.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing brush cutters lack a waist support structure, resulting in poor comfort, inability to provide stable support for long periods of time, lack of adjustability, and insufficient adaptability.
A forest tending and brush cutter is designed. Through structures such as a support tube, a cutting assembly, a fixing block, a semicircular ring, and an adjustment cylinder, combined with a first and a second handle, waist support and position adjustment are achieved. The auxiliary bracket is hinged and clamped to achieve folding, contraction, and stable support.
It improves the comfort and safety of use, has high adaptability, can stably support cutting operations for a long time, avoids waist injuries, and is suitable for users with different arm lengths.
Smart Images

Figure CN223364583U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of brush cutters, and more particularly to a forest tending and pruning brush cutter. Background Art
[0002] A brush cutter, also known as a backpack mower, is a type of forestry machinery. It's used for tasks such as clearing woodlands, tending young forests, renovating secondary forests, and felling forests. It can also be used to cut shrubs and weeds, prune branches, fell small-diameter trees, and cut bamboo. Equipped with replaceable attachments or equipment, a brush cutter can also be used to harvest crops like rice and wheat, pump water, drill holes, and spray pesticides. It's widely used in forest tending.
[0003] The utility model with authorization announcement number CN220630109U relates to the technical field of brush cutters, and in particular, is a portable forest tending and pruning brush cutter, comprising a power box, a support rod provided at the right end of the power box, a shoulder strap fixedly connected to the left upper portion of the outer surface of the support rod, a waist belt fixedly connected to the left rear portion of the outer surface of the support rod, a locking mechanism fixedly connected to one end of the waist belt, and a fixed block fixedly connected to the other end of the waist belt, a locking groove provided at the right end of the fixed block, a limiting hole provided at the upper portion of the outer surface of the fixed block, a hand-holding mechanism movably connected through the right portion of the outer surface of the support rod, and a cutting assembly provided at the right end of the support rod. The portable forest tending and pruning brush cutter described in this utility model can prevent the brush cutter from detaching by matching the shoulder strap and waist belt, thereby preventing personal injury to the user, improving the user's personal safety, and being suitable for users with different arm lengths.
[0004] In the above-mentioned disclosed structure, a waist belt is directly fixedly connected to one side of the support tube, and lacks a rotating mounting structure. It cannot be swung and adjusted, which can easily cause damage to the waist position and has poor comfort. In addition, there is a lack of adjustable auxiliary brackets, and it cannot be supported on the ground for long-term cutting. The adaptability is insufficient and needs to be improved. Utility Model Content
[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide a forest tending and brush cutter, which can be used to install a support tube and a cutting assembly through a power assembly, and can be combined with a first handle and a second handle to perform cutting operations. The support shaft and the semicircular ring are installed through a fixed block, which can be positioned at the waist for support, which is convenient for adjustment and use. At the same time, the auxiliary bracket is hinged through the adjustment tube, which is convenient for folding and contraction, and the position can also be adjusted for support, which is convenient for long-term cutting, safe, stable and comfortable.
[0006] In order to solve the above problems, the present invention adopts the following technical solutions.
[0007] A forest tending and brush cutter comprises a power assembly, one end of the power assembly is fixedly connected to a support tube, one end of the support tube is fixedly installed with a cutting assembly, one end of the cutting assembly is rotatably installed with a cutting blade, one end of the upper surface of the power assembly is fixedly connected to a first handle, the upper surface of the support tube is fixedly connected to a second handle, one end surface of the support tube is fixedly connected to a fixed block, a support shaft is rotatably installed inside the fixed block, one end of the support shaft is fixedly connected to a semicircular ring, one side of the semicircular ring is combined and installed with a restraining belt, the semicircular ring is located on one side of the support tube, one end surface of the support tube is slidably sleeved with an adjusting cylinder, one side of the adjusting cylinder is fixedly connected to an articulated seat, one end surface of the articulated seat is articulated with an auxiliary bracket, and the auxiliary bracket is located on one side of the outer surface of the support tube.
[0008] Furthermore, both ends of the semicircular ring are fixedly connected with connecting rings, and the connecting rings are sleeved on the end positions of the restraint belt.
[0009] Furthermore, both ends of the restraint belt are fixedly connected with Velcro, and the Velcro is slidably connected to the inside of the connecting ring.
[0010] Furthermore, the first handle and the second handle are perpendicular to each other and are horizontal and vertical structures respectively. The connecting ring is positioned by a semicircular ring, and the strap is connected to the Velcro. They can be installed and positioned separately, which is conducive to restraining to the waist position for support, which is convenient and efficient and conducive to support use.
[0011] Furthermore, a locking screw is threadedly installed on one side surface of the adjusting cylinder, and the locking screw is tightly connected to the outer surface of the supporting tube.
[0012] Furthermore, a semicircular clamping ring is fixedly connected to one end surface of the auxiliary bracket, and the semicircular clamping ring is elastically clamped to one end surface of the support tube.
[0013] Furthermore, the adjustment tube is located between the fixed block and the second handle. The adjustment tube is connected to the locking screw to lock the fixed position, which is convenient for adjustment and use. The auxiliary bracket is connected to the semicircular clamping ring to be clamped and positioned, which is convenient for folding and shrinking and has high adaptability.
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] (1) This solution uses a power assembly to install the support tube and cutting assembly. Combined with the first handle and the second handle, cutting operations can be performed. The support shaft and the semicircular ring are installed through the fixed block, which can be positioned at the waist for support, which is convenient for adjustment and use. At the same time, the auxiliary bracket is hinged by the adjustment tube, which is convenient for folding and shrinking. The position can also be adjusted for support, which is convenient for long-term cutting, safe, stable and comfortable.
[0016] (2) The semicircular ring is used to position the connecting ring, and the strap is connected to the Velcro, so that the strap can be installed and positioned separately, which is convenient for restraining the waist position for support, which is convenient and efficient and is conducive to support use.
[0017] (3) The adjusting tube is connected to the locking screw, which can lock the fixed position and facilitate adjustment. The auxiliary bracket is connected to the semicircular clamping ring, which can be clamped and positioned, which is conducive to folding and shrinking, and has high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the planar structure of the utility model;
[0020] Figure 3 For the utility model Figure 1 Enlarged view of point A where the middle semicircle ring is connected;
[0021] Figure 4 This is a partial structural diagram of the connection between the semicircular ring and the auxiliary bracket of the utility model;
[0022] Figure 5 This is a schematic structural diagram of the cutting assembly of the present invention.
[0023] Description of the numbers in the figure:
[0024] 1 power assembly, 11 support tube, 12 cutting assembly, 13 cutting blade, 14 first handle, 15 second handle, 16 fixing block, 17 support shaft, 18 semicircular ring, 19 restraint belt, 2 adjustment cylinder, 21 hinged seat, 22 auxiliary bracket, 23 connecting ring, 24 Velcro, 25 locking screw, 26 semicircular clamping ring. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0026] See also Figure 1 、 Figure 2 and Figure 5A forest tending and brush cutting machine includes a power assembly 1, one end of the power assembly 1 is fixedly connected to a support tube 11, one end of the support tube 11 is fixedly installed with a cutting assembly 12, one end of the cutting assembly 12 is rotatably installed with a cutting blade 13, one end of the upper surface of the power assembly 1 is fixedly connected to a first handle 14, the upper surface of the support tube 11 is fixedly connected to a second handle 15, one end surface of the support tube 11 is fixedly connected to a fixing block 16, the inner part of the fixing block 16 is rotatably installed with a support shaft 17, one end of the support shaft 17 is fixedly connected to a semicircular ring 18, one side of the semicircular ring 18 is assembled with a restraining belt 19, the semicircular ring 18 is located on one side of the support tube 11, one end surface of the support tube 11 is slidably sleeved with an adjusting cylinder 2, one side of the adjusting cylinder 2 is fixedly connected to a hinged seat 21, one end surface of the hinged seat 21 is hinged with an auxiliary bracket 22, the auxiliary bracket 22 is located on one side of the outer surface of the support tube 11, and when in use, the semicircular ring 1 8 is put on the waist position of the staff, combined with the restraint belt 19 to restrain and position, the support tube 11 can be connected and supported, and then the first handle 14 and the second handle 15 can be held in both hands to perform cutting operations, which is conducive to forest tending operations. At this time, the support can be rotated by the support shaft 17, which is convenient for swinging the support tube 11 for positioning adjustment, avoiding damage to the waist position caused by the semi-circular ring 18. It is safe, stable and highly adaptable. During normal use, the auxiliary bracket 22 can be folded close to the support tube 11 for convenient storage. When cutting thicker branches, the adjustment cylinder 2 can be rotated to adjust the direction, and the auxiliary bracket 22 can be unfolded and vertically positioned to the lower surface of the support tube 11. The auxiliary bracket 22 can then be inserted into the ground to stably support the support tube 11, and then the angle can be hinged to adjust the angle, which is conducive to long-term support to a fixed position, thereby cutting thick branches without the support of the staff's body, improving comfort and safety, and facilitating adjustment and use.
[0027] See also Figure 3 and Figure 4 The two ends of the semicircular ring 18 are fixedly connected with a connecting ring 23, and the connecting ring 23 is sleeved on the end position of the restraint belt 19. The two ends of the restraint belt 19 are fixedly connected with a Velcro 24, and the Velcro 24 is slidably connected to the inside of the connecting ring 23. The first handle 14 and the second handle 15 are perpendicular to each other, and have horizontal and vertical structures respectively. The connecting ring is positioned by the semicircular ring, and the restraint belt is connected to the Velcro, which can be installed and positioned separately, which is conducive to restraining to the waist position for support, which is convenient and efficient, and is conducive to support use.
[0028] See also Figure 2 and Figure 4A locking screw 25 is threadedly installed on the surface of one side of the adjusting cylinder 2, and the locking screw 25 is tightly connected to the outer surface of the support tube 11. A semicircular clamping ring 26 is fixedly connected to the surface of one end of the auxiliary bracket 22. The semicircular clamping ring 26 is elastically clamped to the surface of one end of the support tube 11. The adjusting cylinder 2 is located between the fixed block 16 and the second handle 15. The locking screw is connected by the adjusting cylinder to lock the fixed position, which is convenient for adjustment and use. The auxiliary bracket is connected to the semicircular clamping ring, which can be clamped and positioned, which is convenient for folding and contraction, and has high adaptability.
[0029] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.
Claims
1. A forest tending and brush cutting machine, comprising a power assembly (1), one end of the power assembly (1) being fixedly connected to a support tube (11), and one end of the support tube (11) being fixedly mounted with a cutting assembly (12), characterized in that: A cutting blade (13) is rotatably mounted on one end of the cutting assembly (12); a first handle (14) is fixedly connected to one end of the upper surface of the power assembly (1); a second handle (15) is fixedly connected to the upper surface of the support tube (11); a fixing block (16) is fixedly connected to one end surface of the support tube (11); a support shaft (17) is rotatably mounted inside the fixing block (16); a semicircular ring (18) is fixedly connected to one end of the support shaft (17); a restraining belt (19) is assembled and mounted on one side of the semicircular ring (18); the semicircular ring (18) is located on one side of the support tube (11); an adjusting cylinder (2) is slidably sleeved on one end surface of the support tube (11); a hinge seat (21) is fixedly connected to one side of the adjusting cylinder (2); an auxiliary bracket (22) is hingedly connected to one end surface of the hinge seat (21); the auxiliary bracket (22) is located on one side of the outer surface of the support tube (11).
2. The forest tending and brush cutting machine according to claim 1, characterized in that: The two ends of the semicircular ring (18) are fixedly connected with connecting rings (23), and the connecting rings (23) are sleeved on the end positions of the restraining belt (19).
3. The forest tending and pruning brush cutter according to claim 1, characterized in that: Both ends of the restraint belt (19) are fixedly connected with Velcro (24), and the Velcro (24) is slidably connected to the inside of the connecting ring (23).
4. The forest tending and brush cutting machine according to claim 1, characterized in that: The first handle (14) and the second handle (15) are perpendicular to each other and have a horizontal and vertical structure respectively.
5. The forest tending and brush cutting machine according to claim 1, characterized in that: A locking screw (25) is threadedly mounted on one side surface of the adjusting cylinder (2), and the locking screw (25) is tightly connected to the outer surface of the supporting tube (11).
6. The forest tending and brush cutting machine according to claim 1, characterized in that: One end surface of the auxiliary bracket (22) is fixedly connected with a semicircular clamping ring (26), and the semicircular clamping ring (26) is elastically clamped to one end surface of the support tube (11).
7. The forest tending and brush cutting machine according to claim 1, characterized in that: The adjusting cylinder (2) is located between the fixing block (16) and the second handle (15).
Citation Information
Patent Citations
Portable forest tending, pruning and brush cutting machine
CN220630109U