CN207460864U - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
- Publication number
- CN207460864U CN207460864U CN201721413986.0U CN201721413986U CN207460864U CN 207460864 U CN207460864 U CN 207460864U CN 201721413986 U CN201721413986 U CN 201721413986U CN 207460864 U CN207460864 U CN 207460864U
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- China
- Prior art keywords
- protective plate
- frame
- rear overhang
- mowing
- hook
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Abstract
The utility model provides a kind of grass trimmer, including tractor rear overhang on-hook frame, cutterhead fixed frame and hanger bracket, tractor rear overhang on-hook frame is hinged with cutterhead fixed frame, tractor rear overhang on-hook frame is connected with hanger bracket, tractor rear overhang on-hook frame, cutterhead fixed frame, hanger bracket upper end are equipped with buffering suspension arrangement, cutterhead fixed frame is equipped with grass-mowing and mowing actuating unit, and mowing actuating unit is sequentially connected with grass-mowing.The utility model when process is used to encounter stone or ground out-of-flatness under protective plate exert a force; cutterhead fixed frame is jacked up; since cutterhead fixed frame and tractor rear overhang on-hook frame are hinged; so tractor rear overhang on-hook frame relatively rotates with deep bid fixed frame; the lower protective plate of protection can be played and avoid shock with the hard objects such as stone in use, protect lower protective plate.
Description
Technical field
The utility model is related to mow to use field of mechanical technique.
Specifically, it is to hang fixation, the grass trimmer of tractor output shaft driving after being related to a kind of tractor.
Background technology
Grass trimmer is also known as weeder, grass mower, lawn mower etc..Grass trimmer be it is a kind of for cutting the grass on a lawn, vegetation etc.
Machine tool, existing grass trimmer is made of cutterhead, engine, traveling wheel, walking mechanism, blade, handrail, control section.
Cutterhead is equipped with engine, blade is housed on the output shaft of engine, blade utilizes the height of engine on traveling wheel on cutterhead
Speed improves much in terms of being rotated in speed, saves the activity duration of weeding worker, reduces a large amount of human resources.
Existing grass trimmer is exported to further save manpower and improve the efficiency mowed using farm tractor postposition
Equipment replaces the engine of grass trimmer as driving device, installs the trifilar suspension installing component of tractor on grass trimmer additional, instead of
Original walking mechanism and traveling wheel.The efficiency of the mower grass is obviously improved, and has greatly saved manpower.
However the grass trimmer after reequiping is to be fixedly connected with suspension after tractor, if the ground of grass growth is put down in mowing
When whole degree not enough or on ground has the hard blocks object such as stone, it is easily damaged cutterhead and mowing blade.
Utility model content
The purpose of the utility model is to overcome the shortcoming of above-mentioned traditional technology, provide that a kind of tractor uses cuts
Careless machine, the rack of the grass trimmer are divided into cutterhead fixed frame and tractor rear overhang on-hook frame, cutterhead fixed frame with after tractor
Suspension rack is hinged, and cutterhead blade can be avoided damage to when encountering stone or bottom surface out-of-flatness, and the cutterhead is set
Have two layers up and down, soil or grass in mowing is avoided to enter in cutterhead, influences the effect mowed.
The purpose of this utility model is reached by following technical measures：The rack includes tractor rear overhang on-hook
Frame, cutterhead fixed frame and hanger bracket, tractor rear overhang on-hook frame are hinged with cutterhead fixed frame, tractor rear overhang on-hook frame with
Hanger bracket is connected, and tractor rear overhang on-hook frame, cutterhead fixed frame, hanger bracket upper end are equipped with buffering suspension arrangement, and cutterhead is solid
Rack is determined equipped with grass-mowing and mowing actuating unit, and mowing actuating unit is sequentially connected with grass-mowing, drags
Machine drawing rear overhang on-hook frame is equipped with power input device, and power input device is sequentially connected with mowing actuating unit.
A kind of improvement as above-mentioned technical proposal：The hanger bracket is connected with sleeve, and outstanding drawing strut is socketed in sleeve,
It is outstanding to draw strut L-shaped, it hangs and strut one end is drawn to stretch out sleeve, the outstanding other end for drawing strut is socketed with hanger bracket fixed cylinder, described outstanding
Hanger fixed cylinder is fixed on tractor rear overhang on-hook frame.Hanger bracket can both rotate on tractor rear overhang on-hook frame,
It again can be around outstanding drawing strut rotation.
A kind of improvement as above-mentioned technical proposal：The buffering suspension arrangement, including linking arm, linking arm one end is with dragging
Machine drawing rear overhang on-hook frame is hinged, and the linking arm other end is hinged with connecting rod, and connecting rod is hinged with cutterhead fixed frame, in the middle part of linking arm also
Swing arm is hinged with, swing arm is connected with locking cap, and locking cap is fixed at outstanding one end that strut is drawn to stretch out sleeve, is set on locking cap
There is drag hook, tension spring is equipped between drag hook and swing arm, tension spring both ends are equipped with tension spring hook.Buffering suspension arrangement can both consolidate cutterhead
Determine rack, tractor rear overhang on-hook frame and hanger bracket suspension, and grass-mowing can be collided to avoid stone, damage blade, work as hair
The buffering suspension arrangement plays the role of buffering when raw collision, protects grass-mowing.
A kind of improvement as above-mentioned technical proposal：Regulating mechanism, the adjusting are equipped between the swing arm and locking cap
Mechanism includes link slot, and link slot is arranged in swing arm, and locking cap is equipped with fixed column, and fixed column is located in link slot, swing arm
Column is relatively fixed to relatively move along link slot
A kind of improvement as above-mentioned technical proposal：The swing arm is equipped with two, is separately positioned on the both sides of locking cap, and two
Connecting pole is equipped between root swing arm, tension spring one end is hooked on drag hook, and the other end is hooked on connecting pole.
A kind of improvement as above-mentioned technical proposal：The grass-mowing includes longitudinal axis, and longitudinal axis is from top to bottom successively
Protective plate, fixed disk and lower protective plate are socketed with, the fixed disk is equipped with knife rest, and knife rest is equipped with blade, upper protective plate
It is connected with fixed disk.
A kind of improvement as above-mentioned technical proposal：The upper protective plate and lower protective plate are circle, upper protective plate
Diameter is more than lower protective plate, and the height of upper the protective plate center of circle to circumference continuously decreases, the height in the lower protective plate center of circle to circumference by
Edge up height, and blade stretches out between upper protective plate and lower protective plate.
A kind of improvement as above-mentioned technical proposal：The blade is equipped with cancave cambered surface, and cancave cambered surface is located at outside lower protective plate
The top of circumference.
A kind of improvement as above-mentioned technical proposal：The mowing actuating unit includes the second drive, and second passes
Driving wheel is connected with articulated shaft, and one end that articulated shaft stretches into cutterhead fixed frame is connected with the 4th bevel gear, the cooperation of the 4th bevel gear
Third hand tap gear is provided with, third hand tap gear is socketed with lateral shaft, first bevel gear is additionally provided on lateral shaft, and first bevel gear is matched
Conjunction is provided with second bevel gear, and second bevel gear is arranged on the one end of longitudinal axis far from lower protective plate, the power input device
Including input shaft, input axle sleeve is connected to bearing fixed cylinder, and bearing fixed cylinder is stretched out at input shaft both ends, and input shaft one end is connected with
First drive is connected between the first drive and the second drive by belt transmission.
A kind of improvement as above-mentioned technical proposal：The tractor rear overhang on-hook frame both sides are equipped with hinged block, articulated shaft
It is across hinged block and cutterhead fixed frame that tractor rear overhang on-hook frame and cutterhead fixed frame is hinged.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that：The utility model exists
Protective plate exerts a force under when encountering stone or ground out-of-flatness using process, cutterhead fixed frame is jacked up, due to cutterhead
Fixed frame is hinged with tractor rear overhang on-hook frame, so with deep bid fixed frame opposite turn occurs for tractor rear overhang on-hook frame
Dynamic, connecting rod applies external force, spring contraction to linking arm, and swing arm is moved relative to fixed column along the direction of link slot.The structure
The lower protective plate of protection can be played and avoid shock with the hard objects such as stone in use, protect lower protective plate.
The plate that upper protective plate and lower protective plate are buckled together such as two, by blade protection in centre, avoid blade with
The objects such as stone collide, and damage blade.
Blade is rotated along lower protective plate outer edge, and weeds is avoided to enter between lower protective plate and upper protective plate, influence to cut
The effect of grass, leads to not efficient, quick mowing.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Attached drawing 1 is the stereogram of the utility model grass trimmer.
Attached drawing 2 is the front view of the utility model grass trimmer.
Attached drawing 3 is the utility model grass trimmer partial structural diagram.
Attached drawing 4 is the partial structural diagram of the utility model grass trimmer transmission mechanism.
Attached drawing 5 is the partial structural diagram of the utility model suspension arrangement.
Attached drawing 6 is the partial structural diagram of the utility model grass-mowing.
Specific embodiment
Embodiment：As shown in figures 1-6, grass trimmer, including rack, the rack includes tractor rear overhang on-hook frame 3, knife
Disk fixed frame 4 and hanger bracket 6, tractor rear overhang on-hook frame 3 and cutterhead fixed frame 4 are hinged, tractor rear overhang on-hook frame 3 with
Hanger bracket 6 is connected, and tractor rear overhang on-hook frame 3, cutterhead fixed frame 4,6 upper end of hanger bracket are equipped with buffering suspension arrangement, knife
Disk fixed frame 4 is equipped with grass-mowing and mowing actuating unit, and mowing actuating unit connects with grass-mowing transmission
It connects, tractor rear overhang on-hook frame 3 is equipped with power input device, and power input device connects with the transmission of mowing actuating unit
It connects.
The hanger bracket 6 is connected with sleeve 7, is socketed with to hang in sleeve 7 and draws strut 15, hang and draw strut 15 L-shaped, hangs drawing branch
Sleeve 7 is stretched out in 15 one end of bar, and the outstanding other end for drawing strut 15 is socketed with hanger bracket fixed cylinder 14, and the hanger bracket fixed cylinder 14 is solid
Surely it is arranged on tractor rear overhang on-hook frame 3.
The buffering suspension arrangement, including linking arm 18,18 one end of linking arm is hinged with tractor rear overhang on-hook frame 3, even
It connects 18 other end of arm and is hinged with connecting rod 19, connecting rod 19 is hinged with cutterhead fixed frame 4, and 18 middle part of linking arm is also hinged with swing arm
16, swing arm 16 is connected with locking cap 8, and locking cap 8 is fixed at outstanding one end that strut 15 is drawn to stretch out sleeve 7, is set on locking cap 8
There is drag hook 9, tension spring 11 is equipped between drag hook 9 and swing arm 16,11 both ends of tension spring are equipped with tension spring hook.
Regulating mechanism is equipped between the swing arm 16 and locking cap 8, the regulating mechanism includes link slot 17, link slot 17
It is arranged in swing arm 16, locking cap 8 is equipped with fixed column（37）, fixed column（37）It is located in link slot 17, swing arm 16 is relatively solid
Fixed column（37）It is relatively moved along link slot 17
The swing arm 16 is equipped with two, is separately positioned on the both sides of locking cap 8, and connecting pole is equipped between two swing arms 16,
Tension spring one end is hooked on drag hook 9, and the other end is hooked on connecting pole.
The grass-mowing includes longitudinal axis 28, and longitudinal axis 28 is socketed with protective plate 20, fixed disk successively from top to bottom
27 and lower protective plate 21, the fixed disk 27 is equipped with knife rest 23, and knife rest 23 is equipped with blade 24, upper protective plate 20 and fixed disk
27 be connected grass-mowing equipped with several, there are two grass-mowing is set in the utility model.
The upper protective plate 20 and lower protective plate 21 are circle, and the diameter of upper protective plate 20 is more than lower protective plate 21, on
The height of protective plate 20 center of circle to circumference continuously decreases, and the height of lower protective plate 21 center of circle to circumference gradually rises, blade 24 from
It is stretched out between upper protective plate 20 and lower protective plate 21.
The blade 24 is equipped with cancave cambered surface, and cancave cambered surface is located at the top of lower 21 excircle of protective plate.
The mowing actuating unit includes the second drive 2, and the second drive 2 is connected with articulated shaft 13, articulated shaft
13 one end for stretching into cutterhead fixed frame 4 are connected with the 4th bevel gear 33, and the 4th bevel gear 33 is equipped with third hand tap gear
32, third hand tap gear 32 is socketed with lateral shaft 29, and first bevel gear 30 is additionally provided on lateral shaft 29, and the cooperation of first bevel gear 30 is set
Second bevel gear 31 is equipped with, second bevel gear 31 is arranged on the one end of longitudinal axis 28 far from lower protective plate 21, the power input
Device includes input shaft 5, and input shaft 5 is socketed with bearing fixed cylinder 10, and bearing fixed cylinder 10 is stretched out at 5 both ends of input shaft, input
5 one end of axis is connected with the first drive 1, is connected between the first drive 1 and the second drive 2 by belt transmission.
3 both sides of tractor rear overhang on-hook frame are equipped with hinged block 12, and articulated shaft 13 passes through hinged block 12 and cutterhead to fix
Rack 4 is hinged by tractor rear overhang on-hook frame 3 and cutterhead fixed frame 4.
There are the blade of mowing in the both sides of blade 24.
Mowing power drive mechanism includes the 4th bevel gear 33 being socketed on articulated shaft 13, and the cooperation of the 4th bevel gear 33 is set
Third hand tap gear 32 is equipped with, third hand tap gear 32 is socketed on lateral shaft 29, and the 4th bevel gear 33 and third hand tap gear 32 are by the
The power of two drives 2 input changes direction, and mowing actuating unit, the mowing actuating unit packet are additionally provided on lateral shaft 29
First bevel gear 30 is included, first bevel gear 30 is socketed on lateral shaft 29, and first bevel gear 30 is equipped with second bevel gear
31, the power of lateral shaft 29 is changed direction by first bevel gear 30 with second bevel gear 31, becomes the rotation of longitudinal axis 28, longitudinal direction
Axis 28 is connected with fixed disk 27, and longitudinal axis 28 is socketed with bearing across fixing axle 27, and bearing is fixedly connected with lower protective plate
21。。
The tractor rear overhang on-hook frame 3 is equipped with grass block frame 34, and the careless tarpaulin of gear is covered on grass block frame 34, avoids mowing
Weeds in journey fly up, and it is weeds everywhere to have cut after grass, untidy.Cutterhead fixed frame 4 is equipped with strut hole 36, strut hole 36
Match and be provided with strut 35, strut hole 36 and strut 35 are equipped with pin hole, and pin is plugged in pin hole.
Lateral shaft 29 is rotatably arranged on cutterhead fixed frame 4, and articulated shaft 13 stretches into one end on cutterhead fixed frame 4 and connects
There is the 4th bevel gear 33.Central siphon 26 is socketed with outside longitudinal axis 28, protective shell 25 is socketed with outside central siphon 26, axis is equipped in protective shell 25
Pipe 26, central siphon 26 are socketed in outside longitudinal axis 28, and protective shell 25 is connected with connecting seat 22, and connecting seat 22 is fixed at cutterhead and fixes
In rack 4.
Claims (10)
1. grass trimmer, including rack, it is characterised in that：The rack includes tractor rear overhang on-hook frame（3）, cutterhead fixed frame
（4）And hanger bracket（6）, tractor rear overhang on-hook frame（3）With cutterhead fixed frame（4）It is hinged, tractor rear overhang on-hook frame（3）With
Hanger bracket（6）It is connected, tractor rear overhang on-hook frame（3）, cutterhead fixed frame（4）, hanger bracket（6）Upper end is equipped with buffering and hangs
Device, cutterhead fixed frame（4）It is equipped with grass-mowing and mowing actuating unit, mowing actuating unit and grass trimmer
Structure is sequentially connected, tractor rear overhang on-hook frame（3）Power input device is equipped with, power input device is filled with mowing power transmission
Put drive connection.
2. grass trimmer according to claim 1, it is characterised in that：The hanger bracket（6）It is connected with sleeve（7）, sleeve（7）
Inside it is socketed with outstanding drawing strut（15）, hang and draw strut（15）It is L-shaped, it hangs and draws strut（15）Sleeve is stretched out in one end（7）, hang and draw strut
（15）The other end be socketed with hanger bracket fixed cylinder（14）, the hanger bracket fixed cylinder（14）It is hung after being fixed at tractor
Rack（3）On.
3. grass trimmer according to claim 2, it is characterised in that：The buffering suspension arrangement, including linking arm（18）, even
Connect arm（18）One end and tractor rear overhang on-hook frame（3）It is hinged, linking arm（18）The other end is hinged with connecting rod（19）, connecting rod（19）
With cutterhead fixed frame（4）It is hinged, linking arm（18）Middle part is also hinged with swing arm（16）, swing arm（16）It is connected with locking cap（8）,
Locking cap（8）It is fixed at outstanding drawing strut（15）Stretch out sleeve（7）One end, locking cap（8）It is equipped with drag hook（9）, drag hook
（9）With swing arm（16）Between be equipped with tension spring（11）, tension spring（11）Both ends are equipped with tension spring hook.
4. grass trimmer according to claim 3, it is characterised in that：The swing arm（16）With locking cap（8）Between be equipped with adjust
Mechanism is saved, the regulating mechanism includes link slot（17）, link slot（17）It is arranged on swing arm（16）On, locking cap（8）It is equipped with
Fixed column（37）, fixed column（37）It is located at link slot（17）It is interior, swing arm（16）It is relatively fixed column（37）Along link slot（17）Phase
To movement.
5. grass trimmer according to claim 3 or 4, it is characterised in that：The swing arm（16）Equipped with two, it is separately positioned on
Locking cap（8）Both sides, two swing arms（16）Between be equipped with connecting pole, tension spring one end is hooked in drag hook（9）On, the other end is hooked in company
It connects on column.
6. grass trimmer according to claim 1, it is characterised in that：The grass-mowing includes longitudinal axis（28）, longitudinal axis
（28）It is socketed with protective plate successively from top to bottom（20）, fixed disk（27）With lower protective plate（21）, the fixed disk（27）On
Equipped with knife rest（23）, knife rest（23）It is equipped with blade（24）, upper protective plate（20）With fixed disk（27）It is connected.
7. grass trimmer according to claim 6, it is characterised in that：The upper protective plate（20）With lower protective plate（21）It is
Circle, upper protective plate（20）Diameter be more than lower protective plate（21）, upper protective plate（20）The height of the center of circle to circumference continuously decreases,
Lower protective plate（21）The height of the center of circle to circumference gradually rises, blade（24）From upper protective plate（20）With lower protective plate（21）Between
It stretches out.
8. grass trimmer according to claim 7, it is characterised in that：The blade（24）Cancave cambered surface is equipped with, cancave cambered surface is set
In lower protective plate（21）The top of excircle.
9. grass trimmer according to claim 8, it is characterised in that：The mowing actuating unit includes the second drive
（2）, the second drive（2）It is connected with articulated shaft（13）, articulated shaft（13）Stretch into cutterhead fixed frame（4）One end be connected with
Four bevel gears（33）, the 4th bevel gear（33）It is equipped with third hand tap gear（32）, third hand tap gear（32）It is socketed with transverse direction
Axis（29）, lateral shaft（29）On be additionally provided with first bevel gear（30）, first bevel gear（30）It is equipped with second bevel gear
（31）, second bevel gear（31）It is arranged on longitudinal axis（28）Far from lower protective plate（21）One end, the power input device packet
Include input shaft（5）, input shaft（5）It is socketed with bearing fixed cylinder（10）, input shaft（5）Bearing fixed cylinder is stretched out at both ends（10）,
Input shaft（5）One end is connected with the first drive（1）, the first drive（1）With the second drive（2）Between pass through belt transmission
Connection.
10. grass trimmer according to claim 8 or claim 9, it is characterised in that：The tractor rear overhang on-hook frame（3）Both sides are set
There is hinged block（12）, articulated shaft（13）Across hinged block（12）With cutterhead fixed frame（4）By tractor rear overhang on-hook frame（3）With
Cutterhead fixed frame（4）It is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413986.0U CN207460864U (en) | 2017-10-28 | 2017-10-28 | Grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413986.0U CN207460864U (en) | 2017-10-28 | 2017-10-28 | Grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207460864U true CN207460864U (en) | 2018-06-08 |
Family
ID=62265533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413986.0U Active CN207460864U (en) | 2017-10-28 | 2017-10-28 | Grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207460864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463380A (en) * | 2019-09-12 | 2019-11-19 | 南京农业大学 | A kind of paddy field rotary tillage land leveller |
| CN110558030A (en) * | 2019-10-25 | 2019-12-13 | 浙江勰达科技有限公司 | Weeding machine |
-
2017
- 2017-10-28 CN CN201721413986.0U patent/CN207460864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463380A (en) * | 2019-09-12 | 2019-11-19 | 南京农业大学 | A kind of paddy field rotary tillage land leveller |
| CN110558030A (en) * | 2019-10-25 | 2019-12-13 | 浙江勰达科技有限公司 | Weeding machine |
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