CN209845760U - Branch saw - Google Patents
Branch saw Download PDFInfo
- Publication number
- CN209845760U CN209845760U CN201821819868.4U CN201821819868U CN209845760U CN 209845760 U CN209845760 U CN 209845760U CN 201821819868 U CN201821819868 U CN 201821819868U CN 209845760 U CN209845760 U CN 209845760U
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- China
- Prior art keywords
- hydraulic
- reversing valve
- manual reversing
- way manual
- rod
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- Expired - Fee Related
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Abstract
The utility model discloses a branch saw, including stock (1), hydraulic motor (2) are installed at the top of stock (1), and disc blade (3) are installed to detachably on the output shaft of hydraulic motor (2), ejecting pneumatic cylinder (4) are still installed on the top of stock (1), and ejecting pneumatic cylinder (4) are unanimous with the length direction of stock (1), hydraulic motor (2) and ejecting pneumatic cylinder (4) are connected with hydraulic system (5), the cross-section of blade (31) of disc blade (3) is triangle-shaped. The utility model discloses a branch saw passes through the rotatory branch of cutting of hydraulic motor drive disc blade, and the overload capacity is strong, is difficult to damage gasoline engine or motor to be provided with ejecting pneumatic cylinder and extract the disc blade who blocks.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to branch saw.
Background
Trees can beautify the environment, air-purifying improves people's living environment, but too low branch often can block the road, influences personnel and vehicle and pass, therefore people often need prune trees, cuts off redundant branch.
The redundant branch of cutting off has manual mode, climb up the trunk through the people and cut off the branch through the chopper, its shortcoming is that intensity of labour is big, and danger coefficient is high, and the second kind adopts the branch to cut off comparatively stout branch, and the blade of branch strip saw among the prior art are the lamellar usually, through gasoline engine or motor direct drive, and lamellar blade and blade often can block on the branch, cause gasoline engine or motor to damage easily to the blade is difficult to pull out from the branch.
SUMMERY OF THE UTILITY MODEL
In view of at least one defect of prior art, the utility model aims at providing a branch saw, this branch saw passes through the rotatory branch of cutting of hydraulic motor drive disc blade, and overload capacity is strong, is difficult to damage gasoline engine or motor to be provided with ejecting pneumatic cylinder and extract the disc blade that blocks.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a branch saw, its key lies in, includes the stock, hydraulic motor is installed at the top of stock, and detachably installs the disc blade on hydraulic motor's the output shaft, ejecting pneumatic cylinder is still installed on the top of stock, and ejecting pneumatic cylinder is unanimous with the length direction of stock, hydraulic motor and ejecting pneumatic cylinder are connected with hydraulic system, the cross-section of the blade of disc blade is triangle-shaped.
Through the structural arrangement, the disc blade is driven to rotate by the hydraulic motor, the disc blade rotates to cut thicker branch branches, and when the disc blade is clamped by the branch branches, the hydraulic system can automatically unload through the overflow valve, so that a gasoline engine or a motor of the hydraulic system cannot be damaged; and supplying oil to the ejection hydraulic cylinder through a hydraulic system, enabling a piston rod of the ejection hydraulic cylinder to extend outwards to prop against the branch, and releasing the clamped disc blade from the branch, otherwise, discharging oil to the ejection hydraulic cylinder through the hydraulic system, and withdrawing the piston rod of the ejection hydraulic cylinder.
The extending direction of a piston rod of the ejection hydraulic cylinder is consistent with the length direction of the long rod and extends out along the radial direction of the disc blade.
The cross section of the cutting edge of the disc blade is triangular, so that the cutting edge is not easy to be clamped and is convenient to be separated from the branches and trunks.
The disc blade is a grinding wheel blade. The grinding wheel blade has high strength and is convenient to cut; of course, hard metal blades may also be used. The middle part of the grinding wheel blade is provided with a round hole, and the grinding wheel blade and the output shaft of the hydraulic motor can be fixed together through a bolt.
The long rod comprises a sliding rod and a handheld rod, the handheld rod is tubular, and the hydraulic motor and the ejection hydraulic cylinder are mounted at the top end of the sliding rod;
the bottom end of the sliding rod penetrates through the handheld rod in a sliding mode, a fixing through hole is formed in the top of the handheld rod, a row of positioning hole arrays corresponding to the fixing through holes in a sliding mode are arranged on the sliding rod along the length direction, and a bolt assembly penetrates through the fixing through hole and one positioning hole of the positioning hole array opposite to the fixing through hole.
Through the structural arrangement, the bolt assembly is taken down, the sliding rod slides up and down, the length of the long rod can be adjusted, and after the length is adjusted to be proper, the fixed through hole and one positioning hole of the positioning hole array opposite to the fixed through hole are fixedly connected through the bolt assembly; so as to adjust the length of the long rod.
The hydraulic system comprises a hydraulic pump, an inlet of the hydraulic pump is connected with an oil cylinder through an oil filter, an outlet of the hydraulic pump is connected with the oil cylinder through an overflow valve, an outlet of the hydraulic pump is connected with an oil inlet P of a first three-position four-way manual reversing valve, an oil return port T of the first three-position four-way manual reversing valve is connected with the oil cylinder, and a working oil port A and a working oil port B of the first three-position four-way manual reversing valve are connected with a hydraulic motor;
the outlet of the hydraulic pump is also connected with an oil inlet P of a second three-position four-way manual reversing valve, an oil return port T of the second three-position four-way manual reversing valve is connected with the oil cylinder, and a working oil port A and a working oil port B of the second three-position four-way manual reversing valve are connected with the ejection hydraulic cylinder.
Through foretell hydraulic system, through the manual change-over valve of first tribit four-way of manual operation, can control hydraulic motor and rotate, through the manual change-over valve of second tribit four-way of manual operation, can control the piston rod of ejecting pneumatic cylinder stretch out and withdraw, the exit linkage of hydraulic pump has the overflow valve, when hydraulic motor is blocked, can prevent to damage the gasoline engine or the engine that drive the hydraulic pump through the unloading of overflow valve.
The hydraulic system is arranged on a chassis of the trolley, rollers are arranged at the bottom of the chassis, and the chassis is fixedly connected with a T-shaped pull rod.
The hydraulic system is arranged on the trolley, and can be moved by pulling the T-shaped pull rod by hands, so that the weight of a user is reduced, and the hydraulic system is connected with the hydraulic motor and the ejection hydraulic cylinder through the hydraulic oil pipe.
The utility model provides a branch saw, this branch saw passes through the rotatory branch of cutting of hydraulic motor drive disc blade, and the overload capacity is strong, is difficult to damage gasoline engine or motor to be provided with ejecting pneumatic cylinder and extract the disc blade who blocks.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a diagram of a hydraulic system of the present invention;
fig. 3 is a usage status diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a branch saw comprises a long rod 1, a hydraulic motor 2 is installed at the top of the long rod 1, a disc blade 3 is detachably installed on an output shaft of the hydraulic motor 2, an ejection hydraulic cylinder 4 is further installed at the top end of the long rod 1, the ejection hydraulic cylinder 4 is consistent with the long rod 1 in length direction, the hydraulic motor 2 and the ejection hydraulic cylinder 4 are connected with a hydraulic system 5, and the cross section of a cutting edge 31 of the disc blade 3 is triangular. Wherein, stock 1's top transversely is provided with the through-hole, and hydraulic motor 2's main shaft passes through behind the through-hole and passes through spline and bolted connection with disc blade 3, and hydraulic motor 2's main shaft is provided with spline and screw hole, and disc blade 3 center is provided with the splined hole. The disc blade 3 is parallel to the length direction of the long rod 1. The hydraulic motor 2 and the ejection hydraulic cylinder 4 are fixed at the top end of the long rod 1 through bolts.
Through the structural arrangement, the disc blade 3 is driven to rotate by the hydraulic motor 2, the disc blade 3 rotates to cut thicker branches, and when the disc blade 3 is clamped by the branches, the hydraulic system 5 can automatically unload through the overflow valve, so that a gasoline engine or a motor of the hydraulic system 5 cannot be damaged; the hydraulic system 5 supplies oil to the ejection hydraulic cylinder 4, a piston rod of the ejection hydraulic cylinder 4 extends outwards to prop against a branch, the clamped disc blade 3 is separated from the branch, otherwise, the hydraulic system 5 discharges oil to the ejection hydraulic cylinder 4, and the piston rod of the ejection hydraulic cylinder 4 is retracted.
The extending direction of a piston rod of the ejection hydraulic cylinder 4 is consistent with the length direction of the long rod 1 and extends along the radial direction of the disc blade 3.
The section of the cutting edge 31 of the disc blade 3 is triangular, so that the cutting edge is not easy to be clamped, and the cutting edge 31 is convenient to be separated from the branches and trunks.
The disc blade 3 is a grinding wheel blade. The grinding wheel blade has high strength and is convenient to cut; of course, hard metal blades may also be used. The middle part of the grinding wheel blade is provided with a spline hole, and the grinding wheel blade and the output shaft of the hydraulic motor 2 can be fixed together through a bolt.
The long rod 1 comprises a sliding rod 11 and a handheld rod 12, the handheld rod 12 is tubular, and the hydraulic motor 2 and the ejection hydraulic cylinder 4 are installed at the top end of the sliding rod 11;
the bottom end of the sliding rod 11 is slidably arranged in the handheld rod 12 in a penetrating manner, the top of the handheld rod 12 is provided with a fixing through hole 12a, the sliding rod 11 is provided with a row of positioning hole arrays 11a corresponding to the fixing through hole 12a in a sliding manner along the length direction, and a bolt assembly 13 is arranged in one positioning hole of the fixing through hole 12a and the positioning hole array 11a opposite to the fixing through hole 12a in a penetrating manner.
Through the above-mentioned structural setting, take off bolt assembly 13, slide bar 11 slides from top to bottom, can adjust the length of stock 1, after adjusting suitable length, link firmly fixed through bolt assembly 13 with fixed through-hole 12a and its just locating hole of locating hole array 11 a.
The hydraulic system 5 comprises a hydraulic pump 51, an inlet of the hydraulic pump 51 is connected with an oil cylinder 53 through an oil filter 52, an outlet of the hydraulic pump 51 is connected with the oil cylinder 53 through an overflow valve 54, an outlet of the hydraulic pump 51 is connected with an oil inlet P of a first three-position four-way manual reversing valve 55, an oil return port T of the first three-position four-way manual reversing valve 55 is connected with the oil cylinder 53, and a working oil port A and a working oil port B of the first three-position four-way manual reversing valve 55 are connected with a hydraulic motor 2;
the outlet of the hydraulic pump 51 is also connected with an oil inlet P of a second three-position four-way manual reversing valve 56, an oil return port T of the second three-position four-way manual reversing valve 56 is connected with the oil cylinder 53, and a working oil port A and a working oil port B of the second three-position four-way manual reversing valve 56 are connected with the ejection hydraulic cylinder 4.
Through the hydraulic system 5, the hydraulic motor 2 can be controlled to rotate by operating the first three-position four-way manual reversing valve 55 by hands, the piston rod of the ejection hydraulic cylinder 4 can be controlled to extend and retract by operating the second three-position four-way manual reversing valve 56 by hands, the outlet of the hydraulic pump 51 is connected with an overflow valve 54, and when the hydraulic motor 2 is clamped, the overflow valve 54 can be used for unloading, so that the gasoline engine or the engine for driving the hydraulic pump 51 is prevented from being damaged.
The first three-position four-way manual reversing valve 55 and the second three-position four-way manual reversing valve 56 are both in an O-shape.
The hydraulic system 5 is arranged on a chassis 61 of the trolley 6, rollers 62 are arranged at the bottom of the chassis 61, and the chassis 61 is further fixedly connected with a T-shaped pull rod 63.
The hydraulic system 5 is arranged on the trolley 6, the hydraulic system 5 can be moved by pulling the T-shaped pull rod 63 by hands, the weight of a user is reduced, and the hydraulic system 5 is connected with the hydraulic motor 2 and the ejection hydraulic cylinder 4 through hydraulic oil pipes.
As shown in fig. 3, when the cutting edge 31 of the disc blade 3 is clamped by the branch of the tree, the cutting edge 31 of the disc blade 3 can be retreated from the branch by the piston rod of the ejection hydraulic cylinder 4 pushing against the branch being cut.
Finally, it is noted that: the above list is only the concrete implementation example of the present invention, and of course those skilled in the art can make modifications and variations to the present invention, and if these modifications and variations fall within the scope of the claims of the present invention and their equivalent technology, they should be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides a branch saw, its characterized in that, includes stock (1), hydraulic motor (2) are installed at the top of stock (1), and detachably installs disc blade (3) on the output shaft of hydraulic motor (2), ejecting pneumatic cylinder (4) are still installed on the top of stock (1), and ejecting pneumatic cylinder (4) are unanimous with the length direction of stock (1), hydraulic motor (2) and ejecting pneumatic cylinder (4) are connected with hydraulic system (5), the cross-section of blade (31) of disc blade (3) is triangle-shaped.
2. The wicker saw according to claim 1, wherein: the disc blade (3) is a grinding wheel blade.
3. The wicker saw according to claim 2, wherein: the long rod (1) comprises a sliding rod (11) and a handheld rod (12), the handheld rod (12) is tubular, and the hydraulic motor (2) and the ejection hydraulic cylinder (4) are mounted at the top end of the sliding rod (11);
the bottom end of the sliding rod (11) penetrates through the handheld rod (12) in a sliding mode, a fixing through hole (12a) is formed in the top of the handheld rod (12), a row of positioning hole arrays (11a) corresponding to the fixing through hole (12a) in a sliding mode are arranged on the sliding rod (11) along the length direction, and a bolt assembly (13) penetrates through one positioning hole of the fixing through hole (12a) and one positioning hole of the positioning hole array (11a) opposite to the fixing through hole (12 a).
4. The wicker saw according to claim 1, wherein: the hydraulic system (5) comprises a hydraulic pump (51), an inlet of the hydraulic pump (51) is connected with an oil cylinder (53) through an oil filter (52), an outlet of the hydraulic pump (51) is connected with the oil cylinder (53) through an overflow valve (54), an outlet of the hydraulic pump (51) is connected with an oil inlet P of a first three-position four-way manual reversing valve (55), an oil return port T of the first three-position four-way manual reversing valve (55) is connected with the oil cylinder (53), and a working oil port A and a working oil port B of the first three-position four-way manual reversing valve (55) are connected with a hydraulic motor (2);
the outlet of the hydraulic pump (51) is also connected with an oil inlet P of a second three-position four-way manual reversing valve (56), an oil return port T of the second three-position four-way manual reversing valve (56) is connected with an oil cylinder (53), and a working oil port A and a working oil port B of the second three-position four-way manual reversing valve (56) are connected with a push-out hydraulic cylinder (4);
the first three-position four-way manual reversing valve (55) and the second three-position four-way manual reversing valve (56) are both in an O shape;
through the hydraulic system (5), the hydraulic motor (2) can be controlled to rotate by operating the first three-position four-way manual reversing valve (55) by hands, and the piston rod of the ejection hydraulic cylinder (4) can be controlled to extend and retract by operating the second three-position four-way manual reversing valve (56) by hands.
5. The wicker saw according to claim 1, wherein: the hydraulic system (5) is arranged on a chassis (61) of the trolley (6), rollers (62) are arranged at the bottom of the chassis (61), and the chassis (61) is fixedly connected with a T-shaped pull rod (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819868.4U CN209845760U (en) | 2018-11-06 | 2018-11-06 | Branch saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819868.4U CN209845760U (en) | 2018-11-06 | 2018-11-06 | Branch saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209845760U true CN209845760U (en) | 2019-12-27 |
Family
ID=68928453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821819868.4U Expired - Fee Related CN209845760U (en) | 2018-11-06 | 2018-11-06 | Branch saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209845760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512816A (en) * | 2020-04-29 | 2020-08-11 | 江苏赛欧智能科技有限公司 | Safety protection mechanism and method for circular saw machine of greening comprehensive maintenance vehicle |
-
2018
- 2018-11-06 CN CN201821819868.4U patent/CN209845760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512816A (en) * | 2020-04-29 | 2020-08-11 | 江苏赛欧智能科技有限公司 | Safety protection mechanism and method for circular saw machine of greening comprehensive maintenance vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20201106 |