CN105981528A - Mower and clutch thereof - Google Patents
Mower and clutch thereof Download PDFInfo
- Publication number
- CN105981528A CN105981528A CN201510057208.1A CN201510057208A CN105981528A CN 105981528 A CN105981528 A CN 105981528A CN 201510057208 A CN201510057208 A CN 201510057208A CN 105981528 A CN105981528 A CN 105981528A
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- CN
- China
- Prior art keywords
- clutch
- screw rod
- contiguous block
- fastener
- pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A mower comprises an engine, a knife head, a belt and a clutch. The clutch comprises a motor, a gear box, a traction mechanism and a clutch pulley, the traction mechanism comprises a screw, a buckling member connected on the screw in a threaded manner, and a connecting member acting with the buckling member, the first end of the screw is away from a gear box while the second end of the screw is connected with the gear box, the motor starts to drive the screw to rotate after being decelerated through the gear box, the screw rotates to drive the buckling member to move along the axial direction of the screw to drive the connecting block and pull the clutch pulley to move from a first position to a second position to tension the belt, the engine drives the knife head to rotate, the buckling member loosens the connecting block, the connecting block moves and resets along a first direction, and the clutch pulley resets from the second position to the first position, and when the belt is loose, the engine cannot drive the knife head. The mower is simple and labor-saving to operate and more attractive.
Description
Technical field
The present invention relates to hay mover, particularly relate to the clutch of transfer motion power between the electromotor and cutter head of hay mover.
Background technology
Hay mover is widely used in pruning lawn and repairing, so that lawn keeps smooth.Existing hay mover generally includes
Having electromotor, cutter head and clutch, described electromotor, as power source, drives cutter head, described clutch by belt transmission
Device makes belt tension or lax, and when belt tension, driven by engine cutter head rotates and mows, and disconnects when belt slack and starting
Machine and the transmission of cutter head.Existing clutch is generally controlled through proficiency lever-operated by user, the most laborious, additionally exists
The most attractive in appearance.
Summary of the invention
The present invention provides a kind of can operate simple, labour-saving hay mover and clutch thereof.
A kind of clutch, haulage gear that the gear-box being connected with motor including motor is connected with gear-box and with traction
The clutch pulley that mechanism connects, described haulage gear includes screw rod, the fastener being bolted on described screw rod and the company of fastener effect
Connecing block, the first end of described screw rod is connected with described gear-box away from described gear-box, the second end of screw rod, and electric motor starting passes through
Screw rod described in described gearbox speed reduction rear drive rotates, and screw rod rotates and drives described fastener moving axially along screw rod, and fastener is along the
One direction towards the first end of screw rod move with described contiguous block fastener after in a second direction the second end towards screw rod move, drive
Described contiguous block also pulls clutch pulley to be moved to the second position by primary importance, and fastener is described contiguous block after unclamping described contiguous block
Moving along the first direction reset, clutch pulley is resetted to primary importance by the second position.
A kind of hay mover, including electromotor, cutter head, belt and clutch, fixing connection on the output shaft of described electromotor
One drive pulley, described cutter head is fixedly connected on a follow-up pulley by a central shaft, described belt be installed in driving pulley and
On follow-up pulley, described clutch include haulage gear that the gear-box that motor is connected with motor is connected with gear-box and
The clutch pulley being connected with haulage gear, described haulage gear includes that screw rod, the fastener being bolted on described screw rod and fastener are made
Contiguous block, the first end of described screw rod is connected with described gear-box away from described gear-box, the second end of screw rod, and motor opens
Moving and rotated by screw rod described in described gearbox speed reduction rear drive, screw rod rotates and drives described fastener moving axially along screw rod, button
Part in the first direction towards the first end of screw rod move with described contiguous block fastener after in a second direction towards screw rod second end move
Dynamic, drive described contiguous block and pull described clutch pulley to be moved to the second position by primary importance, making belt tension, electromotor
Band dynamic cutter head rotate, fastener after unclamping described contiguous block described contiguous block move along the first direction reset, clutch pulley is by second
Putting and reset to primary importance, belt slack, electromotor can not band dynamic cutter head.
The clutch of hay mover of the present invention, using motor as power source, drives the clutch pulley of clutch to move and makes belt pulley tensioning
Or lax, compared with needing manual operations handlebar in conventional art, user operation is simpler laborsaving, and cancel handlebar can
Make hay mover outward appearance more attractive in appearance.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail.Be appreciated that accompanying drawing only provide with reference to
Use is described, is not used for the present invention is any limitation as.In accompanying drawing, the size of display is only to describe for ease of clear, and does not limit
Certainty ratio relation.
Fig. 1 is the schematic diagram of the hay mover according to one embodiment of the invention.
Fig. 2 is the kind of drive schematic diagram of hay mover.
Fig. 3 is the axonometric chart of the clutch of hay mover.
Fig. 4 is the structural representation after the haulage gear removal shell of clutch.
Fig. 5 be clutch under released state, the element relation figure of haulage gear.
Fig. 6-8 is that clutch is by released state to bonding state, the course of action schematic diagram of haulage gear.
Fig. 9-10 is that clutch is by bonding state to released state, the course of action schematic diagram of haulage gear.
Detailed description of the invention
As it is shown in figure 1, the hay mover 100 of a preferred embodiment of the present invention include electromotor 10, cutter head driven by the engine 30,
And clutch 50.
Please refer to Fig. 2, electromotor 10 is rotated by belt 20 band dynamic cutter head 30, described cutter head 30 can be single or
Multiple.In the present embodiment, fixing connection one driving pulley 14 on the output shaft 12 of described electromotor 10, described cutter head 30 is 2
Individual, each cutter head 30 is fixedly connected on the central shaft 34 of a follow-up pulley 32, and described belt 20 is installed in driving pulley 14
With on follow-up pulley 32.As it is shown on figure 3, described clutch 50 include motor 52, gear-box 54, haulage gear 56, with
And clutch pulley 58.It is also preferred that the left described motor 52 is permanent magnet DC motor, the rotating shaft phase of described gear-box 54 and motor 52
Engagement, exports after slowing down the rotation of motor 52, and described haulage gear 56 is between gear-box 54 and clutch pulley 58
Transmission, drives clutch pulley 58 to move between the first location and the second location, separates with belt 20 or support, make belt 20
Relax or tensioning.
It is preferred that the input of described motor 52 controls end and a controller (not shown) connects, at the machine of described hay mover 100
Being provided with the guidance panel 11 (see Fig. 1) being connected with controller with it, user is instructed by the key-press input on guidance panel 11,
Controller controls the start and stop of motor 52 grade according to the instruction that user inputs.Described clutch pulley 58 is fixedly connected on a lever 40
End, described lever 40 is connected with haulage gear 56.When clutch 50 is in released state, in clutch pulley 58 such as Fig. 2
Shown in solid, it is positioned at primary importance, separates with belt 20, belt 20 is in relaxed state, and electromotor 10 can not band dynamic cutter head
30 rotate；When clutch 50 is in bonding state, as shown in phantom in Figure 2, it is pulled to the second position by haulage gear 56, with
Belt 20 is supported, and makes belt 20 tensioning, and the belt 20 that rotates through of electromotor 10 is passed to cutter head 30 and made it rotate.
Please refer to Fig. 4, described haulage gear 56 includes shell 60, the support 62 that is arranged in shell 60, rotationally
The screw rod 64 that is connected on support 62, can relatively the linearly moving fastener of screw rod 64 66 and the contiguous block 68 of fastener 66 effect,
And the pull rope 70 being connected with contiguous block 68.
Described shell 60 can be connected with gear-box 54, motor 52 by fixtures such as screws, and described support 62 is fixed on
In shell 60, in certain embodiments, described support 62 can also be formed, as shell 60 by shell 60 one extension
A part.In the present embodiment, described support 62 includes that the substrate 72 of a lengthwise, the two ends of described substrate 72 are formed and base respectively
First end plate the 74, second end plate 76 that plate 72 is perpendicular, wherein said first end plate 74 is formed by substrate 72 one extension,
Second end plate 76 is independent component, is connected with substrate 72 by fixture.In certain embodiments, described first end plate 74
Can also be attached to the independent component on substrate 72, described second end plate 76 also can be formed by substrate 72 one extension.
Described screw rod 64 is set up on the substrate 72 of described support 62 abreast, the axial and length side of substrate 72 of screw rod 64
To unanimously.Described first end plate 74 be centrally formed axis hole 740, be provided with axle bush, described screw rod 64 in described axis hole 740
Top be arranged in rotationally in described axle bush.Described second end plate 76 be centrally formed a through hole 760, the end of screw rod 64
Hold through after described through hole 760 with gear-box 54 pivot joint, thus motor 52 rotate through drive after gear-box 54 slows down described
Screw rod 64 rotates with a relatively low speed.
Described second end plate 76 in the both sides of through hole 760 axially upward, i.e. towards the first end plate 74, extends and forms two blocks
78, described two blocks 78 are symmetrical arranged, and keep at a certain distance away with the outward flange of through hole 760.Each block 78 have one towards
The medial surface 780 of screw rod 64, described medial surface 780 is the inclined-plane extended out, and the distance between two medial surface 780 is along away from second
The direction of end plate 76 is gradually increased, the minimum range between two medial surface 780, and i.e. two medial surface 780 are at block 78 and second
The distance of end plate 76 junction, more than the diameter of the through hole 760 on the second end plate 76.In the present embodiment, described medial surface 780
It is curved surface, a part for preferably one taper seat.In other embodiments, the medial surface 780 of described block 78 is alternatively
Plane.
Described contiguous block 68 is sheathed on described screw rod 64 and between described first end plate 74 and the second end plate 76, permissible
Screw rod 64 relatively slides along its axial direction.In the present embodiment, described contiguous block 68 is rough wedge, along the first end plate 74 to
Second end plate 76 direction, the transverse width of described contiguous block 68 is gradually reduced, and the left and right sides of contiguous block 68 forms leading of inclination
Draw face 680, it is simple to act on described fastener 66.In the present embodiment, the first end plate 74 of described support 62 is formed with perforation
742, one end of described pull rope 70 is connected on contiguous block 68 after the perforation 742 of the first end plate 74, and the other end connects
On described lever 40.In certain embodiments, when the first end plate 74, the connection of contiguous block 68 with pull rope 70 is not hindered
When hindering, pull rope 70 can be directly connected on described contiguous block 68, it is not necessary to through described end plate 74.
Described fastener 66 screws togather on screw rod 64 and between contiguous block 68 and the second end plate 76, drives when screw rod 64 rotates
Described fastener 66, along the axial linear movement of screw rod 64, acts on described contiguous block 68.In the present embodiment, described fastener 66
A pair clip 84 including a drive block 82, being rotatably connected on described drive block 82 and the bullet connecting clip 84
Property part 86.
Described drive block 82 is square block structure, is bolted in and states on screw rod 64 and be carried on described substrate 72.When screw rod 64
During rotation, due to the obstruction of substrate 72, drive block 82 can not rotate with screw rod 64, and the rotation of screw rod 64 is converted into drive block
82 along the axial movement of screw rod 64.The pair of clip 84 is rotatably connected at drive block 82 by a pivot 83 respectively
The left and right sides.The pivoted hole that has been centrally formed of each clip 84 passes for described pivot 83；Clip 84 is towards the first end plate
The end of the upper end of 74 forms a clasp 85, for acting on described contiguous block 68；Clip 84 is towards the second end plate 76
Bottom is then connected with described elastic component 86.In the present embodiment, described drive block 82 connects and has a pin 88, described elasticity
Part 86 is helical spring, is set on described pin 88, and two ends are fixing with the bottom of two clips 84 respectively to be connected.
When hay mover 100 is not actuated, as in figure 2 it is shown, clutch 50 is in released state, clutch pulley 58 is positioned at first
Position, does not contacts with belt 20, and belt 20 is in relaxed state.Now as it is shown in figure 5, described contiguous block 68 is near first
End plate 74, pull rope 70 stretches out the part of clutch and has greatest length, and pull rope 70 is in relaxed state；Described fastener 66
Near the second end plate 76, separate with contiguous block 68.Under the effect of elastic component 86, the upper end of described two clips 84 is substantially
Parallel, keep at a certain distance away between two clasps 85, described distance and the minimum lateral width of contiguous block 68 are quite or bigger；
The bottom relative tilt of described two clips 84 is arranged, and angle between the two is more than 90 degree but to be less than the obtuse angle of 180 degree,
Distance between the outward flange of the end of the bottom of two clips 84 is substantially equal to or is slightly less than between the medial surface 780 of block 78
Ultimate range.
When needing to carry out cutting operation, the button on push panel 11, motor 52 starts, after being slowed down by gear-box 54
Drive described screw rod 64 to rotate (as rotationally clockwise), and then drive fastener 66 by the first direction towards contiguous block 68
Mobile, as shown in Figure 6, when fastener 66 moves and collides with contiguous block 68 to its clip 84, the guiding face 680 of contiguous block 68
The clasp 85 of clip 84 is formed outside active force, and clasp 85 is flared out making the distance between clasp 85 increase, fastener
66 can continue to move up.Owing to clip 84 is rotatably connected on drive block 82, while clasp 85 opens,
The bottom of clip 84 moves towards and makes the distance between bottom reduce, and elastic component 86 is compressed.Along with fastener 66 is upwards held
Continuous mobile, as it is shown in fig. 7, the clasp 85 of fastener 66 crosses described contiguous block 68, the now contiguous block 68 work to clasp 85
Firmly disappearing, under the effect of the elastic-restoring force of elastic component 86, the bottom of clip 84 is flared out, simultaneously clasp 85 to
Interior Guan Bi, fastener is on the end face 682 of contiguous block 68, and clip 84 recovers to state shown in Fig. 5.
After fastener 66 with contiguous block 68 phase fastener, motor 52 rotates backward (such as rotate in an anti-clockwise direction), drives described button
Part 66 moves towards the second end plate 76 in a second direction, and fastener 66 moves down drive contiguous block 68 synchronizing moving, and pulls
Described pull rope 70 moves, and is so equivalent to increase the distance between pull rope 70 two ends, and institute is strained and driven to pull rope 70
State clutch pulley 58 to move towards the second position.As shown in Figure 8, when fastener 66 is displaced downwardly to contact with block 78, clutch is sliding
Wheel 58 is pulled to the second position and supports with belt 20, makes belt 20 tensioning, and clutch 50 is in bonding state.Now electricity
Machine 52 stops operating, and fastener 66 no longer moves, and clutch pulley 58 is maintained at the second position, and starting electromotor 10 can lead to
Cross belt 20 band dynamic cutter head 30 and carry out operation.
After cutting operation completes, it is again started up motor 52 and makes its rotate in an anti-clockwise direction, drive fastener 66 to move down further,
Now as it is shown in figure 9, the bottom of the clip 84 of fastener 66 enters between two blocks 78, along with moving down of fastener 66,
Under the effect of the medial surface 780 of block 78, the bottom of clip 84 moves towards close to each other again, compression elastic piece 86,
The clasp 85 of the upper end of clip 84 opens simultaneously, separates with the end face 682 of contiguous block 68, now at the pull rope of tension
Under the effect of the tension force of 70, pull rope 70 drives described contiguous block 68 quickly to move reset to the first end plate 74, such as Figure 10 institute
Show.When contiguous block 68 resets, the pulling function of clutch pulley 58 is disappeared by pull rope 70, and clutch pulley 58 is to primary importance
Mobile reset, clutch 50 returns to released state.Hereafter, can again make motor 52 rotate clockwise a relatively short period of time,
Driving to move on described fastener 66 and separate with block 78, the active force of clip 84 is disappeared, in the elasticity of elastic component 86 by block 78
Under restoring force, fastener 66 recovers to state shown in Fig. 5.
Hay mover 100 of the present invention, using motor 52 as power source, drives the clutch pulley 58 of clutch to move, with conventional art
Middle needing manual operations handlebar to compare, user operation is simpler laborsaving, and cancels handlebar and can make hay mover 100 outward appearance more
Add attractive in appearance；It addition, clutch drives fastener 66 by screw rod 64, pull rope 70 is driven to move, simple and practical；The most another
Outward, coordinated with contiguous block 68 by fastener 66, after fastener 66 unclamps contiguous block 68, driven by the tension force of pull rope 70
Contiguous block 68 Rapid reset, it is not necessary to additionally drive, the most energy-conservation.It should be noted that the invention is not limited in above-mentioned enforcement
Mode, according to the creative spirit of the present invention, those skilled in the art can also make other changes, and these are according to the wound of the present invention
Make the change that spirit is done, within all should being included in scope of the present invention.
Claims (10)
1. a clutch, haulage gear that the gear-box being connected with motor including motor is connected with gear-box and with lead
Draw mechanism connect clutch pulley, it is characterised in that: described haulage gear include screw rod, the fastener being bolted on described screw rod,
With the contiguous block of fastener effect, the first end of described screw rod is connected with described gear-box away from described gear-box, the second end of screw rod,
Electric motor starting is rotated by screw rod described in described gearbox speed reduction rear drive, and screw rod rotates the axial shifting driving described fastener along screw rod
Dynamic, fastener in the first direction towards the first end of screw rod move with described contiguous block fastener after in a second direction towards the second of screw rod
End is mobile, drives described contiguous block and pulls clutch pulley to be moved to the second position by primary importance, and fastener unclamps described contiguous block
Rear described contiguous block moves along the first direction reset, and clutch pulley is resetted to primary importance by the second position.
2. clutch as claimed in claim 1, it is characterised in that drive block that described fastener includes being bolted on described screw rod,
A pair clip being rotatably connected on described drive block and elastic component, described clip is formed towards the upper end of contiguous block
Have clasp and contiguous block effect, described elastic component be connected to clip away from the bottom of contiguous block between, bullet when described clasp opens
Property part compression.
3. clutch as claimed in claim 2, it is characterised in that described contiguous block is wedge shaped, the transverse width edge of contiguous block
First direction is gradually increased, and the opposite sides of contiguous block forms the guiding face tilted and clasp effect, and fastener moves along the first direction
To when touch with contiguous block, clasp makes clasp open with guiding face effect, clasp fully pass over clasp after described contiguous block close and
Contiguous block phase fastener.
4. clutch as claimed in claim 2, it is characterised in that be fixedly connected with a pin, described bullet on described drive block
Property part be helical spring, be sheathed on described pin, two ends are fixing with the bottom of two clips respectively to be connected.
5. clutch as claimed in claim 2, it is characterised in that the bottom relative tilt of described two clips, between the two
Angle be obtuse angle.
6. clutch as claimed in claim 5, it is characterised in that described screw rod is articulated on a support rotationally, described
Support is formed with two blocks at the second end of screw rod, and described two blocks are symmetrically disposed on screw rod both sides, and each block has a court
Being gradually increased in the first direction to the distance between the medial surface of screw rod, the medial surface of described two blocks, described fastener is along second party
In time moving between the bottom entrance block of clip the medial surface effect with block, the clasp of clip opens, the clasp of clip
Separating with contiguous block, fastener unclamps described contiguous block.
7. clutch as claimed in claim 6, it is characterised in that the medial surface of described block is plane or curved surface.
8. clutch as claimed in claim 6, it is characterised in that described contiguous block is connected with clutch pulley through a pull rope,
Described support includes the substrate of a lengthwise and is respectively formed in first end plate at substrate two ends, the second end plate, the of described screw rod
One end is articulated on the first end plate rotationally, the second end of screw rod through after the second end plate with described gear-box pivot joint, described gear
Block is formed on described second end plate, and described pull rope is connected with described contiguous block after the first end plate.
9. the clutch as described in any one of claim 1-8, it is characterised in that described contiguous block is set in described slidably
On screw rod.
10. a hay mover, including electromotor, cutter head and belt, on the output shaft of described electromotor, fixing connection one is driven
Movable pulley, described cutter head is fixedly connected on a follow-up pulley by a central shaft, and described belt is installed in driving pulley with driven
On pulley, it is characterised in that: also include just like the clutch described in any one in claim 1-9, described clutch from
Closing when pulley moves to the second position and make belt tension, driven by engine cutter head rotates, when clutch pulley moves to primary importance,
Belt slack, electromotor can not band dynamic cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057208.1A CN105981528B (en) | 2015-02-03 | 2015-02-03 | Mower and clutch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057208.1A CN105981528B (en) | 2015-02-03 | 2015-02-03 | Mower and clutch thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105981528A true CN105981528A (en) | 2016-10-05 |
| CN105981528B CN105981528B (en) | 2020-01-07 |
Family
ID=57037336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510057208.1A Expired - Fee Related CN105981528B (en) | 2015-02-03 | 2015-02-03 | Mower and clutch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105981528B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019090932A1 (en) * | 2017-11-08 | 2019-05-16 | 南京德朔实业有限公司 | Hand-propelled self-driving traveling machine |
| WO2023207017A1 (en) * | 2022-04-28 | 2023-11-02 | 丰疆智能科技研究院(常州)有限公司 | Clutch control device, clutch apparatus and agricultural machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB896751A (en) * | 1958-09-02 | 1962-05-16 | Us Industries Inc | A clutch |
| CN201498393U (en) * | 2009-09-11 | 2010-06-02 | 宁波舜利高压开关科技有限公司 | Clutch control device for control mechanism |
| CN102410350A (en) * | 2011-08-03 | 2012-04-11 | 力纳克传动系统（深圳）有限公司 | Quick-release driver |
| CN203039493U (en) * | 2012-12-31 | 2013-07-03 | 中山亚萨合莱安防科技有限公司 | Clutch mechanism driven by motor screw |
-
2015
- 2015-02-03 CN CN201510057208.1A patent/CN105981528B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB896751A (en) * | 1958-09-02 | 1962-05-16 | Us Industries Inc | A clutch |
| CN201498393U (en) * | 2009-09-11 | 2010-06-02 | 宁波舜利高压开关科技有限公司 | Clutch control device for control mechanism |
| CN102410350A (en) * | 2011-08-03 | 2012-04-11 | 力纳克传动系统（深圳）有限公司 | Quick-release driver |
| CN203039493U (en) * | 2012-12-31 | 2013-07-03 | 中山亚萨合莱安防科技有限公司 | Clutch mechanism driven by motor screw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019090932A1 (en) * | 2017-11-08 | 2019-05-16 | 南京德朔实业有限公司 | Hand-propelled self-driving traveling machine |
| US11439061B2 (en) | 2017-11-08 | 2022-09-13 | Nanjing Chervon Industry Co., Ltd. | Hand-propelled, self-driving, traveling machine |
| WO2023207017A1 (en) * | 2022-04-28 | 2023-11-02 | 丰疆智能科技研究院(常州)有限公司 | Clutch control device, clutch apparatus and agricultural machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105981528B (en) | 2020-01-07 |
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Granted publication date: 20200107 Termination date: 20210203 |