CN211558024U - Arc edge avoiding type anti-collision mowing tool - Google Patents
Arc edge avoiding type anti-collision mowing tool Download PDFInfo
- Publication number
- CN211558024U CN211558024U CN202020146855.6U CN202020146855U CN211558024U CN 211558024 U CN211558024 U CN 211558024U CN 202020146855 U CN202020146855 U CN 202020146855U CN 211558024 U CN211558024 U CN 211558024U
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- cutter body
- arc
- mowing
- bow
- mowing tool
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000009333 weeding Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002420 orchard Substances 0.000 description 3
- 241000561734 Celosia cristata Species 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an arc blade avoiding type anti-collision mowing tool, which comprises a fixed shaft sleeve, wherein the fixed shaft sleeve is used for fixedly connecting the mowing tool with an engine transmission shaft and transmitting motion and torque, a bow-shaped cutter body is fixedly sleeved on a flange surface of the fixed shaft sleeve, trapezoidal reinforcing ribs are welded on the edges of two sides of the bow-shaped cutter body along the width direction, and hinge type movable connection is carried out between two arc blade blades and the bow-shaped cutter body through a ball head rotating shaft; when the mowing tool rotates at a high speed, under the action of strong centrifugal force, the two arc blade blades are distributed in a straight line shape and cut weeds, and when the arc blade blades collide with hard obstacles such as stones, the blades are reversely driven back and rotate around the ball head rotating shaft, so that the hard obstacles such as the stones are avoided, the mowing tool and a machine are protected, the replacement of the tool is reduced, the operation efficiency is improved, and the operation cost is reduced.
Description
Technical Field
The utility model relates to a mowing cutter technical field specifically is a formula anticollision mowing cutter is dodged to circular arc sword.
Background
China is a big agricultural country and is also the country with the largest number of agricultural population, the country regards the 'three agricultural crops' problem as an important problem all the time, weeds in orchards, farmlands and mountainous regions can absorb limited fertilizers in soil in the agricultural planting process, direct influence is caused on the growth of crops, the yield of the crops is low, weeding operation is often required to be carried out in order to remove the weeds, a green and environment-friendly agricultural machine, namely a mower, is produced at the right moment, the weeding operation efficiency is improved, and the labor intensity and the operation cost are reduced due to the appearance of the mower.
At present, no matter be rotation type lawn mower or shear type lawn mower, main operational environment is park meadow, the district greenbelt, the golf course, ground conditions such as campus lawn are comparatively standard, clean garden environment, and to orchard among the agricultural production planting process, the farmland, the weeding operation of mountain region etc. often because the topography is complicated, the riprap is numerous with debris, branch trunk diameter is great, the mowing cutter damages seriously because of hitting this type of barrier, it is frequent to change, can lead to the machine to damage to scrap sometimes even, cause the weeding operation to waste time and energy, the great branch trunk of diameter is difficult to the excision, weeding quality is relatively poor, the efficiency is lower, cost increase, often need before the mowing operation, the regional debris of manual work mowing, the great branch trunk of stone and diameter, avoid the damage that causes mowing cutter or machine.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art's is not enough, the utility model provides a formula anticollision mowing tool is dodged to circular arc sword has both solved the lawn mower when complicated environment such as orchard, farmland, mountain region carries out weeding operation, causes the damage problem of mowing tool or machine because of mowing tool collision barrier, has solved the problem that the great branch trunk of diameter is difficult to the excision again, has prolonged mowing tool's life, has improved the quality and the efficiency of mowing, has reduced agricultural production cost.
(II) technical scheme
In order to realize the purpose, the utility model provides a following technical scheme: an arc-edge avoiding type anti-collision mowing tool comprises a fixed shaft sleeve, wherein the fixed shaft sleeve is used for fixedly connecting the mowing tool with an engine transmission shaft and transmitting movement torque, an arch-shaped cutter body is sleeved on a flange surface of the fixed shaft sleeve and is fixedly connected through a hexagon bolt and a flange plate nut, trapezoidal reinforcing ribs are arranged on edges of two sides of the arch-shaped cutter body in the width direction, and the trapezoidal reinforcing ribs are fixedly connected with the arch-shaped cutter body through continuous welding; two arc blade blades are arranged at two ends of the bow-shaped cutter body in a straight line shape, and hinge type movable connection is carried out between the arc blade blades and the bow-shaped cutter body through a ball head rotating shaft and a locknut.
Furthermore, a waist-shaped hole is longitudinally arranged in the middle of the top surface of the bow-shaped cutter body, and 6 screw holes are uniformly distributed around the waist-shaped hole; two ends of the arched cutter body in the length direction are in a semicircular shape so as to reduce resistance and prevent grass winding, and 2 through holes are symmetrically arranged in the semicircular shape.
Furthermore, an involute spline is arranged on the central hole wall of the fixed shaft sleeve, and two parallel planes are arranged on the outer cylindrical surface and are flat, and the flat planes are in sleeve joint with a waist-shaped hole in the arched cutter body to transmit power and torque of the mower.
Furthermore, the upper end of the ball head rotating shaft is provided with fine threads which are screwed with the anti-loosening screws to achieve a good anti-loosening fastening effect, and the head part of the lower end of the ball head rotating shaft is a hemisphere, so that resistance can be reduced and grass winding can be prevented when the mowing tool rotates at a high speed.
Furthermore, the cutting edge on the arc edge blade is in a convex arc shape, a plurality of sawtooth-shaped sharp teeth are arranged on the arc edge close to the cutter head end, the arc edge blade is subjected to quenching heat treatment and has high wear resistance, toughness and impact resistance, and the used material is 60Si2Mn。
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model discloses utilize the power of engine output to make the bow-shaped cutter body rotate at a high speed, under the effect of centrifugal force, two arc sword blades are "a word" type direction and distribute and cut weeds, when the arc sword blade collides stereoplasm barriers such as stone, the arc sword blade is beaten back and is revolved the ball pivot rotation, avoided stereoplasm barriers such as stone to protect mowing cutter and machine, prevent to damage, improved mowing cutter's life, reduced mowing cutter's change, reduced the operating cost;
2. the arc blade adopts the design of the convex arc blade, so that the blade gradually and obliquely cuts into the rod diameter of the plant when cutting weeds, is similar to a drag saw, has smaller cutting force, is easy to work, and prolongs the service life of a mowing cutter and a machine;
3. the arc blade provided by the utility model is provided with a plurality of serrated sharp teeth on the arc blade close to the blade end, when the mowing tool rotates at high speed, the serrated sharp teeth form a saw blade similar to a circle, so that the cutting of branches of trunks with larger diameters can be realized, and the weeding efficiency and quality are improved;
4. the utility model adopts 60Si2The Mn material is used for manufacturing the arc-edge blade, and the quenching heat treatment is carried out, so that the blade has high wear resistance, toughness and impact resistance, is sharp and has long service life;
5. compare with traditional integral mowing tool, the utility model discloses an arc blade only needs to be changed after long-term use wearing and tearing or damage, does not need the whole change, easy maintenance, and the cost is lower.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of the structure diagram of the present invention;
fig. 3 is a bottom view of the structure of the present invention;
FIG. 4 is a partial enlarged view of the arc blade according to the structural diagram of the present invention;
fig. 5 is a partial enlarged view of the connection between the fixed shaft sleeve and the bow-shaped cutter body in the bottom view of the present invention;
fig. 6 is a partial enlarged view of a top view of the present invention.
In the figure: 1-fixing the shaft sleeve; 2-a bow-shaped cutter body; 3-trapezoidal reinforcing ribs; 4-arc edge blade; 5-hexagon head bolt; 6-flange plate nut; 7-locknut; 8-ball head rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a: referring to fig. 1-6, the arc blade avoiding type anti-collision mowing tool of the present invention comprises a fixed shaft sleeve 1, wherein the fixed shaft sleeve 1 is used for fixedly connecting the mowing tool with an engine transmission shaft and transmitting motion and torque, an arcuate cutter body 2 is sleeved on a flange surface of the fixed shaft sleeve 1 and is fastened and connected through a hexagon head bolt 5 and a flange plate nut 6, trapezoidal reinforcing ribs 3 are arranged on edges of two sides of the arcuate cutter body 2 along a width direction, and the trapezoidal reinforcing ribs 3 are fastened and connected with the arcuate cutter body 2 through continuous welding; two arc blade blades 4 are distributed at two ends of the bow-shaped cutter body 2 in a straight line shape, and hinge type movable connection is carried out between the arc blade blades 4 and the bow-shaped cutter body 2 through a ball head rotating shaft 8 and a locknut 7.
In this embodiment, a waist-shaped hole is longitudinally arranged in the middle of the top surface of the bow-shaped cutter body 2, and 6 screw holes are uniformly distributed around the waist-shaped hole; the two ends of the bow-shaped cutter body 2 in the length direction are in a semicircular shape so as to reduce resistance and prevent grass winding, and 2 through holes are symmetrically arranged in the semicircular shape.
In this embodiment, be provided with the involute spline on the fixed axle sleeve 1 central pore wall, outer cylinder face design has two parallel planes, is the flat type, cooperates with the waist shape hole on the bow type cutter body 2 in order to transmit lawn mower power and torque.
In this embodiment, the upper end of the ball-end rotating shaft 8 is a fine thread, which has a good anti-loose fastening function in cooperation with the locknut 7, and the head of the lower end of the ball-end rotating shaft 8 is a hemisphere, so that resistance can be reduced and grass winding can be prevented during high-speed rotation operation of the mowing tool.
In this embodiment, the cutting edge of the arc-edge blade 4 is in a convex arc shape, the arc edge near the blade end is provided with a plurality of serrated sharp teeth, the arc-edge blade is subjected to quenching heat treatment, and has high wear resistance, toughness and impact resistance, and the used material is 60Si2Mn。
The utility model discloses a theory of operation and use flow: when in use, the arc-edge avoiding type anti-collision mowing tool is fixedly arranged on a transmission shaft of a backpack or hand-push type mower through the fixed shaft sleeve 1, whether the two arc-edge blades 4 can flexibly rotate around the ball head rotating shaft 8 is checked, and whether the flange plate nut 6 and the locknut 7 are screwed down is checked; starting the mower, transmitting the high-speed rotation motion of an engine to the bow-shaped cutter body 2 through an involute spline on the fixed shaft sleeve 1, enabling the two arc-shaped blade pieces 4 to be distributed in a straight line shape and cutting weeds under the action of strong centrifugal force, and when the arc-shaped blade pieces 4 collide with hard obstacles such as stones, reversely beating back the arc-shaped blade pieces 4 and rotating around the ball head rotating shaft 8 to avoid the hard obstacles such as the stones, thereby protecting the mower and the mower; because the arc blade 4 is provided with the sharp tooth of a plurality of cockscomb structures on the arc sword that is close to the tool bit end, when the high-speed rotation of mowing cutter, the sharp tooth of a plurality of cockscomb structures just formed a similar circular shape saw bit, can realize the cutting to the great branch trunk of footpath, and weeding efficiency and quality have all obtained very big improvement.
Claims (5)
1. The utility model provides a formula anticollision mowing cutter is dodged to circular arc sword, includes fixed axle sleeve (1), its characterized in that: the fixed shaft sleeve (1) is used for fixedly connecting a mowing cutter with an engine transmission shaft and transmitting and moving torque, an arched cutter body (2) is fixedly sleeved on a flange face of the fixed shaft sleeve (1) and is fixedly connected with a flange plate nut (6) through a hexagon head bolt (5), trapezoidal reinforcing ribs (3) are simultaneously arranged on edges of two sides of the arched cutter body (2) in the width direction, and the trapezoidal reinforcing ribs (3) are fixedly connected with the arched cutter body (2) through continuous welding; two arc blade blades (4) are distributed at two ends of the bow-shaped cutter body (2) in a straight line shape, and hinge type movable connection is carried out between the arc blade blades (4) and the bow-shaped cutter body (2) through a ball head rotating shaft (8) and a locknut (7).
2. The arc edge avoiding type anti-collision mowing tool according to claim 1, wherein: a waist-shaped hole is longitudinally arranged in the middle of the top surface of the bow-shaped cutter body (2), and 6 screw holes are uniformly distributed around the waist-shaped hole; the two ends of the arched cutter body (2) in the length direction are in a semicircular shape so as to reduce resistance and prevent grass winding, and 2 through holes are symmetrically arranged in the semicircular shape.
3. The arc edge avoiding type anti-collision mowing tool according to claim 1, wherein: the wall of the central hole of the fixed shaft sleeve (1) is provided with an involute spline, the outer cylindrical surface is provided with two parallel planes which are flat, and the planes are matched with a waist-shaped hole on the arched cutter body (2) to transmit power and torque of the mower.
4. The arc edge avoiding type anti-collision mowing tool according to claim 1, wherein: the upper end of the ball head rotating shaft (8) is provided with fine threads, the fine threads are matched with the locknut (7) to have a good anti-loosening fastening effect, and the head of the lower end of the ball head rotating shaft (8) is a hemisphere, so that resistance can be reduced and grass winding can be prevented when the mowing tool rotates at high speed.
5. The arc edge avoiding type anti-collision mowing tool according to claim 1, wherein: the cutting edge on the arc edge blade (4) is in a convex arc shape, at least more than 2 saw-tooth-shaped sharp teeth are arranged on the arc edge close to the cutter head end, the arc edge blade is subjected to quenching heat treatment and has high wear resistance, toughness and impact resistance, and the used material is 60Si2Mn。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020146855.6U CN211558024U (en) | 2020-01-23 | 2020-01-23 | Arc edge avoiding type anti-collision mowing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020146855.6U CN211558024U (en) | 2020-01-23 | 2020-01-23 | Arc edge avoiding type anti-collision mowing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211558024U true CN211558024U (en) | 2020-09-25 |
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ID=72523996
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020146855.6U Expired - Fee Related CN211558024U (en) | 2020-01-23 | 2020-01-23 | Arc edge avoiding type anti-collision mowing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211558024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279752A (en) * | 2021-04-28 | 2021-08-20 | 苏州普轮电子科技有限公司 | Tombarthite hole exploitation is with preventing formula steady voltage cutting device that collapses |
-
2020
- 2020-01-23 CN CN202020146855.6U patent/CN211558024U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279752A (en) * | 2021-04-28 | 2021-08-20 | 苏州普轮电子科技有限公司 | Tombarthite hole exploitation is with preventing formula steady voltage cutting device that collapses |
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| 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: 20200925 Termination date: 20220123 |