CN102577743B - Mowing and lawn trimming device - Google Patents
Mowing and lawn trimming device Download PDFInfo
- Publication number
- CN102577743B CN102577743B CN201210023464.5A CN201210023464A CN102577743B CN 102577743 B CN102577743 B CN 102577743B CN 201210023464 A CN201210023464 A CN 201210023464A CN 102577743 B CN102577743 B CN 102577743B
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- upper cutter
- cutter head
- trimming device
- tool rest
- mowing
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Abstract
The invention relates to a mowing and lawn trimming device which comprises a gear box, an upper cutter holder and a lower cutter holder. The upper cutter holder is provided with an upper blade; the lower cutter holder is provided with a lower blade; the upper cutter holder and the lower cutter holder are symmetric to each other up and down; the periphery of the upper cutter holder is connected with a hollow splined shaft by a shaft; the inner side of the upper cutter holder is provided with a bearing; the lower cutter holder is connected with a rotating shaft by a shaft; the rotating shaft penetrates through the bearing and the hollow splined shaft in sequence so as to connect with one gear in the gear box; the hollow splined shaft is connected with another gear in the gear box; and the hollow splined shaft and the rotating shaft rotate reversely. The rotating mechanism of the mowing and lawn trimming device ensures that the upper blade and the lower blade work in a cutting way. Compared with the traditional mowing device, the mowing and lawn trimming device can cut more stably without hurting the grass roots. When an additionally arranged adjusting mechanism is worn between two blades or the gap is enlarged, the gap between the upper blade and the lower blade is adjusted, so as to improve the cutting efficiency and prolong the service life of the cutter blades.
Description
Technical field
The present invention relates to the mower technical field, particularly relate to a kind of mowing and meadow trimming device.
Background technology
Because the meadow of urban green belts, golf course, farm and garden etc. often need to regularly be pruned, to keep the attractive in appearance of meadow integral body and the needs that meet athletic ground, and this operation is a suitable onerous toil, the scheme of therefore existing several work machinery, and be applied.In these Work machines, due to the small-sized and easy operation of mower, therefore be widely used.Common mower is through with turning cylinder in the action bars of tubulose, by the prime mover that is located at the action bars rear end, turning cylinder is rotated, thereby makes to be located at the blade rotation of action bars front end.The operating grip that the operator is located at the action bars stage casing by gripping is bobbed and woven, and with this, utilizes blade to cut the grass on a lawn.
The structure of existing mower is different, and some mower adopts single blade, can only transfer the cutting cursive script by high-speed rotary, can't repair the edge on lawn; Some mower has adopted double blade, but exists efficiency lower when chaffcutter or finishing edge, meadow, rocks and the defects such as noise is larger, causes use convenient not.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mowing and meadow trimming device, realizes to cursive script or edge, meadow steadily, shear efficiently can also improving cutting efficiency, extends blade service life.
The technical solution adopted for the present invention to solve the technical problems is: a kind of mowing and meadow trimming device are provided, comprise gear-box, the upper cutter head of cutter is installed and the lower tool rest of bottom knife is installed, described upper cutter head and lower tool rest are symmetrical up and down, the circumferential position of described upper cutter head connects with hollow splined shaft, and described upper cutter head inboard is provided with bearing; Described lower tool rest connects with rotating shaft; Described rotating shaft is connected with a gear in gear-box with hollow splined shaft through described bearing successively, and described hollow splined shaft is connected with another gear in gear-box, and described hollow splined shaft is contrary with the direction of rotation of rotating shaft.
On described upper cutter head, be provided with for regulating the governor motion of cutter and bottom knife distance.
Described governor motion comprises alignment pin, spanner, guide, stage clip and split washer; Described upper cutter head inner ring is threaded with tool rest core retainer plate outer ring; Described upper cutter head side has side opening, and there is respectively a described guide described side opening both sides; Described alignment pin is fixed in side opening by described spanner, and an end props up the guide in the side opening outside, and the guide that the other end passes the side opening inboard props up the indexing trough of described tool rest core retainer plate; On described alignment pin, cover has described stage clip and split washer.
The locking screw cover locking is passed through on upper cutter head in the outer ring of described bearing.
Described bearing is ball bearing.
The circumferential position of described upper cutter head and hollow splined shaft splined.
Described lower tool rest and rotating shaft splined.
Described cutter is arranged on upper cutter head by sunk screw.
Described bottom knife is arranged on lower tool rest by sunk screw.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art, has following advantage and good effect:
The present invention can guarantee that bottom knife is the mode work of shearing, to realize to cursive script or edge, meadow steadily, shear efficiently.Utilize the inner ring of bearing to be enclosed within on rotating shaft, outer ring is fixed on upper cutter head, increased by two tool rest centering rigidity, rotating shaft and hollow splined shaft can transmit larger torque with lower tool rest and upper cutter head splined respectively, while running up, blade meets with obstruction and also is not easy to occur to connect situation about losing efficacy between tool rest and axle, and the centering between tool rest and axle is relatively good, and high speed rotating is without rocking, noise is little, and cutting efficiency is high.Cutter and bottom knife all are fixed on tool rest separately and are easy to dismounting by sunk screw, necessary for frequent needs are followed the cutting machine of allowing blade replacement.
The present invention is also by offering side opening in the upper cutter head side, the alignment pin of putting into adjustable position in side opening positions the cutter shaft core retainer plate, when between two blades, occurring that wearing and tearing or gap become large, can unclamp alignment pin and regulate the distance between two tool rests, thereby realize regulating the gap of upper bottom knife, improve cutting efficiency, extend blade service life.
The accompanying drawing explanation
Fig. 1 is assembly drawing of the present invention;
Fig. 2 is cutaway view of the present invention;
Fig. 3 is the partial enlarged drawing of A in Fig. 2.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention for the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiments of the present invention relate to a kind of mowing and meadow trimming device, as shown in Figure 1, Figure 2 and Figure 3, comprise gear-box 13, the upper cutter head 3 of cutter 2 is installed and the lower tool rest 5 of bottom knife 4 is installed, described upper cutter head 3 and lower tool rest are symmetrical Shang Xia 5, and wherein cutter 2 and bottom knife 4 all can be arranged on tool rest separately by sunk screw.The circumferential position of described upper cutter head 3 connects with hollow splined shaft 11, and connecting mode can adopt splined.Described upper cutter head 3 inboards are provided with bearing 14, and the outer ring of bearing 14 can be by the locking screw cover locking on upper cutter head 3; Described lower tool rest 5 connects with rotating shaft 12, and connecting mode can adopt splined; Described rotating shaft 12 is connected with a gear in gear-box 13 with hollow splined shaft 11 through described bearing 14 successively, described hollow splined shaft 11 is connected with another gear in gear-box 13, described hollow splined shaft 11 is contrary with the direction of rotation of rotating shaft 12, thereby can make the direction of rotation of cutter and bottom knife contrary.Wherein, bearing 14 can be ball bearing.
Be not difficult to find, the present invention can guarantee that bottom knife is the mode work of shearing, to realize to cursive script or edge, meadow steadily, shear efficiently.Utilize the inner ring of bearing to be enclosed within on rotating shaft, outer ring is fixed on upper cutter head, increased by two tool rest centering rigidity, rotating shaft and hollow splined shaft can transmit larger torque with lower tool rest and upper cutter head splined respectively, while running up, blade meets with obstruction and also is not easy to occur to connect situation about losing efficacy between tool rest and axle, and the centering between tool rest and axle is relatively good, and high speed rotating is without rocking, noise is little, and cutting efficiency is high.Cutter and bottom knife all are fixed on tool rest separately and are easy to dismounting by sunk screw, necessary for frequent needs are followed the cutting machine of allowing blade replacement.
Rotating mechanism of the present invention has guaranteed that upper bottom knife is the mode work of shearing, compare traditional mower, its cutting is more steady, can not damage grass roots, and output speed can normally be mowed in turn/min of low speed 600 left and right (output speed of general mower normal operation is approximately about 3000 turn/min), and this point is very beneficial for the application on power-operated mower from now on.
On described upper cutter head 3, be provided with for regulating the governor motion of cutter 2 and bottom knife 4 distances.Described governor motion comprises alignment pin 7, spanner 8, guide 6, stage clip 9 and split washer 10; Described upper cutter head 3 inner rings are threaded with tool rest core retainer plate 1 outer ring; Described upper cutter head 3 sides have side opening, and there is respectively a described guide 6 described side opening both sides; Described alignment pin 7 is fixed in side opening by described spanner 8, and an end props up the guide 6 in the side opening outside, and the guide 6 that the other end passes the side opening inboard props up the indexing trough of described tool rest core retainer plate 1; On described alignment pin 7, cover has described stage clip 9 and split washer 10.
When between cutter and bottom knife, excessive gap occurring, drive by rotary spanner the indexing trough that alignment pin breaks away from the tool rest core retainer plate, then rotate upper cutter head and adjust the gap between cutter and bottom knife, when adjusting to appropriate clearance, rotary spanner is to initial position, alignment pin pushes up in the indexing trough of tool rest core retainer plate again due to the active force of stage clip, plays the fixedly effect of upper cutter head and tool rest core retainer plate circumferential position.
Be not difficult to find, the present invention is by offering side opening in the upper cutter head side, the alignment pin of putting into adjustable position in side opening positions the cutter shaft core retainer plate, when between two blades, occurring that wearing and tearing or gap become large, can unclamp alignment pin and regulate the distance between two tool rests, thereby realize to regulate the gap of bottom knife, improve cutting efficiency, extend blade service life.
Claims (9)
1. mow and the meadow trimming device for one kind, comprise gear-box (13), the upper cutter head (3) of cutter (2) is installed and the lower tool rest (5) of bottom knife (4) is installed, described upper cutter head (3) and lower tool rest (5) are upper and lower symmetrical, it is characterized in that, the circumferential position of described upper cutter head (3) connects with hollow splined shaft (11), and described upper cutter head (3) inboard is provided with bearing (14); Described lower tool rest (5) connects with rotating shaft (12); Described rotating shaft (12) is connected with a gear in gear-box (13) with hollow splined shaft (11) through described bearing (14) successively, described hollow splined shaft (11) is connected with another gear in gear-box (13), and described hollow splined shaft (11) is contrary with the direction of rotation of rotating shaft (12).
2. mowing according to claim 1 and meadow trimming device, is characterized in that, on described upper cutter head (3), is provided with for regulating the governor motion of cutter (2) and bottom knife (4) distance.
3. mowing according to claim 2 and meadow trimming device, is characterized in that, described governor motion comprises alignment pin (7), spanner (8), guide (6), stage clip (9) and split washer (10); Described upper cutter head (3) inner ring is threaded with tool rest core retainer plate (1) outer ring; Described upper cutter head (3) side has side opening, and there is respectively a described guide (6) described side opening both sides; Described alignment pin (7) is fixed in side opening by described spanner (8), and an end props up the guide (6) in the side opening outside, and the guide (6) that the other end passes the side opening inboard props up the indexing trough of described tool rest core retainer plate (1); The upper cover of described alignment pin (7) has described stage clip (9) and split washer (10).
4. mowing according to claim 3 and meadow trimming device, is characterized in that, the locking screw cover locking is passed through on upper cutter head (3) in the outer ring of described bearing (14).
5. mowing according to claim 3 and meadow trimming device, is characterized in that, described bearing (14) is ball bearing.
6. mowing according to claim 3 and meadow trimming device, is characterized in that, the circumferential position of described upper cutter head (3) and hollow splined shaft (11) splined.
7. mowing according to claim 3 and meadow trimming device, is characterized in that, described lower tool rest (5) and rotating shaft (12) splined.
8. mowing according to claim 3 and meadow trimming device, is characterized in that, described cutter (2) is arranged on upper cutter head (3) by sunk screw.
9. mowing according to claim 3 and meadow trimming device, is characterized in that, described bottom knife (4) is arranged on lower tool rest (5) by sunk screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023464.5A CN102577743B (en) | 2012-02-03 | 2012-02-03 | Mowing and lawn trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023464.5A CN102577743B (en) | 2012-02-03 | 2012-02-03 | Mowing and lawn trimming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102577743A CN102577743A (en) | 2012-07-18 |
| CN102577743B true CN102577743B (en) | 2014-01-08 |
Family
ID=46467434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210023464.5A Expired - Fee Related CN102577743B (en) | 2012-02-03 | 2012-02-03 | Mowing and lawn trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102577743B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145604B (en) * | 2014-08-12 | 2016-01-06 | 高满珍 | With the self-propelled mower of compound tool rest |
| CN106342474B (en) * | 2016-10-19 | 2019-05-07 | 湖南先创牧业科技有限公司 | A kind of herbage machine |
| CN108093819A (en) * | 2017-12-28 | 2018-06-01 | 郑州国知网络技术有限公司 | A kind of gardens weeder with pesticide spraying |
| CN108432444A (en) * | 2018-04-08 | 2018-08-24 | 龙岩丽荣电子科技有限公司 | A kind of lawn trimming attachment applied to gardens |
| CN111972118A (en) * | 2020-05-29 | 2020-11-24 | 阿拉尔新思路农业机械制造有限责任公司 | Double-shaft concentric bidirectional constant-speed rotating gearbox for straw crushing and returning machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2331156Y (en) * | 1998-04-30 | 1999-08-04 | 周仕芳 | Hay cutting device |
| AUPR392801A0 (en) * | 2001-03-23 | 2001-04-26 | Parkinson, Ray | Improvements in mowing/cutting equipment |
| CN2549711Y (en) * | 2002-06-13 | 2003-05-14 | 张敬国 | Shaft driving front suspending rotary grass cutter |
| JP5626773B2 (en) * | 2010-06-22 | 2014-11-19 | ヤンマー株式会社 | Electric mower |
| CN202455839U (en) * | 2012-02-03 | 2012-10-03 | 宁波利豪机械有限公司 | Mowing and lawn edge cutting device |
-
2012
- 2012-02-03 CN CN201210023464.5A patent/CN102577743B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102577743A (en) | 2012-07-18 |
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