CN205930977U - Crawler and have this crawler's lawn mower - Google Patents
Crawler and have this crawler's lawn mower Download PDFInfo
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- CN205930977U CN205930977U CN201620730911.4U CN201620730911U CN205930977U CN 205930977 U CN205930977 U CN 205930977U CN 201620730911 U CN201620730911 U CN 201620730911U CN 205930977 U CN205930977 U CN 205930977U
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- base
- directive wheel
- wheel
- elastic component
- adjustment part
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Abstract
The utility model relates to a crawler and lawn mower, wherein crawler includes: a pedestal. The drive wheel, rotationally dispose in the base, the leading wheel, with the drive wheel supports jointly the base is relative the portable setting of base, the track encircles drive wheel and leading wheel round are in order to wind drive wheel and direction crop rotation rotary motion, and straining device, include with the leading wheel is connected in order to change the correcting member of leading wheel position, be located elastic component between correcting member and the base, wherein the elastic component provides the messenger the drive power of correcting member motion, the correcting member drives leading wheel motion and tensioning the track. Above -mentioned crawler, the leading wheel is connected in the correcting member, and when the track became the pine, the elastic component provided the drive that makes correcting member motion power, and the correcting member drives leading wheel motion and tensioning the track to can real -time automatic tensioning track, prevent that the track from droing.
Description
Technical field
The utility model is related to garden instrument, more particularly to a kind of pedrail mechanism with self-regulated tensioning function.Also relate to
And a kind of hay mover with this pedrail mechanism.
Background technology
Existing pedrail mechanism, during use, crawler belt easily fluffs and comes off, and generally requires shutdown and just can be adjusted, time-consuming
Arduously, affect operating efficiency.
Utility model content
Based on this it is necessary to provide a kind of being capable of the auto-tensioning crawler belt pedrail mechanism that prevents crawler belt from coming off.
A kind of pedrail mechanism, including:Base;Driving wheel, is rotatably arranged on described base;Directive wheel, with described drive
Driving wheel supports described base jointly, and relatively described base is movably arranged;Crawler belt, encloses around described driving wheel and directive wheel one,
With around described driving wheel and guiding crop rotation gyration;And strainer, including being connected with described directive wheel to lead described in changing
To adjustment part, the elastic component being located between described adjustment part and base of wheel position, wherein said elastic component provides and makes institute
State the driving force of adjustment part motion, described adjustment part drives described directive wheel motion crawler belt described in tensioning.
Above-mentioned pedrail mechanism, directive wheel is connected to adjustment part, and when crawler belt fluffs, elastic component provides makes adjustment part transport
Dynamic driving force, adjustment part drives directive wheel motion and crawler belt described in tensioning is such that it is able to real-time auto-tensioning crawler belt, prevents
Only crawler belt comes off.
Wherein in an embodiment, described elastic component provides makes the described adjustment relatively described base of part for linear motion
Or the elastic force of oscillating motion, drive described directive wheel for linear motion or oscillating motion during described adjustment part motion.
Wherein in an embodiment, described elastic component provides the thrust making the motion of adjustment part or pulling force.
Wherein in an embodiment, when described elastic component drives adjustment part and drives described directive wheel motion, described
Core wheel between directive wheel and described driving wheel is away from increase.
Wherein in an embodiment, the bottom of described driving wheel and directive wheel is located at same level.
Wherein in an embodiment, between described directive wheel and described adjustment part, the company of rotation is realized by rotary shaft
Connect.
Wherein in an embodiment, described adjustment part has and leading that described base is slidably matched in the straight direction
To axle, described elastic component is arranged on the axis of guide, and the two ends of elastic component are pressed by described adjustment part and described base respectively
Power.
Wherein in an embodiment, described adjustment part is connected with described base rotation, described directive wheel and described tune
Rotate between integeral part and connect, wherein said adjustment part is being adjusted on part with described directive wheel in the pivot center on base
Pivot center between be set for the eccentric.
Wherein in an embodiment, described adjustment part includes rotational support in the first fulcrum of described base, rotation
It is supported in the second fulcrum of described directive wheel and the connecting rod connecting the first fulcrum and the second fulcrum.
Wherein in an embodiment, described elastic component is the torsion spring being arranged on the first fulcrum, the two ends of described torsion spring
Compress described connecting rod and base respectively.
Wherein in an embodiment, described elastic component is connected between described connecting rod and base.
Wherein in an embodiment, described base is additionally provided with the motor driving described driving wheel to rotate.
Wherein in an embodiment, described crawler belt has elastic telescopic ability.
Wherein in an embodiment, described crawler belt is the series connection closed loop knot by the hinged formation of metallic pin for multiple block rubbers
Structure.
Also deduct a percentage a kind of hay mover with aforementioned pedrail mechanism, wherein hay mover is also included positioned at described base bottom
Grass-mowing.
Wherein in an embodiment, the side that described crawler belt is contacted with described ground has flexible material.
Brief description
Fig. 1 is the constructed profile of the pedrail mechanism of embodiment one;
Fig. 2 is the partial side view of the pedrail mechanism of embodiment one;
Fig. 3 is the sectional view of A-A in Fig. 2;
Fig. 4 is the sectional view of B-B in Fig. 2;
Fig. 5 is the partial side view of the pedrail mechanism of embodiment two;
Fig. 6 is the sectional view of C-C in Fig. 5;
Fig. 7 is the partial side view of the pedrail mechanism of embodiment three;
Fig. 8 is the sectional view of D-D in Fig. 7.
The related elements reference numeral of in figure is as follows:
100th, pedrail mechanism 110, base 112, motor
120th, driving wheel 130, directive wheel 132, rotary shaft
134th, bearing 140, crawler belt 152, adjustment part
1522nd, the axis of guide 154, elastic component
200th, pedrail mechanism 210, base 230, directive wheel
240th, crawler belt 252, adjustment part 2522, the first fulcrum
2523rd, the second fulcrum 2524, connecting rod 254, elastic component
300th, pedrail mechanism 310, base 330, directive wheel
340th, crawler belt 352, adjustment part 3522, the first fulcrum
3523rd, the second fulcrum 3524, connecting rod 354, elastic component
Specific embodiment
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate a lot of details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from alternate manner described here, this area
Technical staff can do similar improvement without prejudice in the case of the utility model intension, and therefore the utility model is not subject to following public affairs
The restriction of the specific embodiment opened.
Below in conjunction with the accompanying drawings, the better embodiment of the utility model pedrail mechanism is described.
Embodiment one
Refer to Fig. 1, embodiment one provides a kind of pedrail mechanism 100, can be applicable to various need to use pedrail mechanism
Instrument in.In the present embodiment, so that this instrument is hay mover as a example illustrate.Pedrail mechanism is suitable for various operating modes in itself
Operating environment, particularly has very big advantage in the workplace having ditch and ramp.In addition, for adopting pedrail mechanism
For the hay mover of walking mechanism, because crawler belt has the larger area that lands additionally it is possible to mitigate the oppressive force to lawn,
Reduce the abrasion to lawn.
With reference to Fig. 1, pedrail mechanism 100 includes base 110, driving wheel 120, directive wheel 130, crawler belt 140 and tensioning device
Structure.Wherein, in order to adjust the position of directive wheel 130, when crawler belt 140 fluffs, strainer changes guiding to strainer immediately
The position of wheel 130, makes directive wheel 130 re-tensioning crawler belt 140, it is to avoid crawler belt 140 comes off.
Base 110 is the framework of whole pedrail mechanism 100.When in hay mover, base 110 can be used as entirely cutting
The chassis of careless machine.The other elements of hay mover, such as grass-mowing, may be configured as positioned at the bottom of base 110 cutting to execute
Grass effect;The and for example actuating unit of hay mover, can be placed in above base 110, then cover casing again, obtain neat and artistic
Hay mover.
Driving wheel 120 is rotatably supported at base 110, and drives rotation by the motor 112 being arranged on base 110.
The motor 112 of the present embodiment adopts electro-motor it is also possible to other class motor, and such as air motor, fuel oil motor etc. substitute.This
Outward, base 110 itself can not install motor 112, when particularly base 110 uses not as the chassis of instrument.
Directive wheel 130 and driving wheel 120 interval setting.Crawler belt 140 then encloses around driving wheel 120 and directive wheel 130 1, with
Make gyration around driving wheel 120 and directive wheel 130.
When motor 112 drives driving wheel 120 to rotate, driving wheel 120 enables crawler belt 140 to make to drive while gyration
Hay mover advances.The steering of hay mover to be realized to the driving of driving wheel 120 again by motor 112.In general at least wrap
Include following two implementations:
Mode one, motor 112 are provided with a pair.The crawler belt 140 of hay mover both sides is respectively arranged with driving wheel 120 and guiding
Wheel 130.The all independent corresponding motor 112 of each driving wheel 120.When needing to turn to, two motors 112 export different turning
Speed is so that the crawler belt 140 of hay mover both sides realizes differential motion, and then realizes the steering of hay mover.
Mode two, motor 112 are provided only with one, realize differential using the crawler belt 140 that differential mechanism makes hay mover both sides
Motion, and then realize the steering of hay mover.
In the present embodiment, directive wheel 130 is connected to strainer, to be movably arranged with respect to base 110.And, lead
To wheel 130 with driving wheel 120 jointly in order to support base 110.In other words, both the support wheel as base 110 makes directive wheel 130
With the tensioning wheel as tensioned tracks 140 uses, and so greatly simplifies the structure of pedrail mechanism 100 simultaneously again.
Wherein, the bottom of driving wheel 120 and directive wheel 130 is set to positioned at same level.Driving wheel 120 and directive wheel
130 radius is then preferably set to unanimously, simplify design requirement, the radius of the two can be inconsistent certainly, sets as needed
Meter.So, the crawler belt 140 of the two bottom planar extends, and has the larger area that lands, and that is, crawler belt 140 is located at and drives
Partly all can be used between driving wheel 120 and directive wheel 130 is walked on the ground.
Strainer include being connected with directive wheel 130 with change directive wheel 130 position adjustment part 152, be located at adjustment
Elastic component 154 between part 152 and base 110, wherein elastic component 154 provide the driving force making adjustment part 152 move, and adjust
Integeral part 152 drives directive wheel 130 motion tensioned tracks 140.
Wherein, elastic component 154 is in order to provide the elastic force making adjustment part 152 respect thereto 110 for linear motion, adjustment portion
Then drive directive wheel 130 for linear motion during part 152 motion.During use, when crawler belt 140 fluffs, elastic component 154 drives
Adjustment part 152 when driving directive wheel 130 motion, the core wheel between directive wheel 130 and driving wheel 120 away from increase, so as to
Enough tensioned tracks.
Ginseng Fig. 4, the pressure that crawler belt 140 gives directive wheel 130 is F1, and straight up, elastic component 154 gives adjustment portion in direction
Part 152 elastic force F2 straight down, so that adjustment part 152 drives directive wheel 130 away from driving wheel 120.
Ginseng Fig. 1, in conjunction with Fig. 4, is adjusted part 152 and has the axis of guide being slidably matched in the straight direction with base 110
1522, elastic component 154 is arranged on the axis of guide 1522, and the two ends of elastic component are adjusted the pressure of part 152 and base 110 respectively
Power.So, elastic component 154 is in its pre-compressed state, so being provided that the thrust making adjustment part 152 for linear motion.Certainly,
Elastic component 154 can also be to provide to make adjustment part 152 pulling force for linear motion, such as by the peace changing elastic component 154
Holding position, makes elastic component 154 be in extended state.When crawler belt 140 fluffs, the level of stretch of elastic component 154 reduces, and makes crawler belt
140 are tensioned.Elastic component 154 preferably employs spring, is directly sleeved on the axis of guide 1522.Can also be other elastic bodies, for example
It can be the high-strength rubber of tubular.
Directive wheel 130 is followed adjustment part 142 and is moved together.With reference to Fig. 3, logical between directive wheel 130 and adjustment part 152
Cross rotary shaft 132 and realize rotating and connect.So, when crawler belt 140 makees gyration, 112 need of motor are supplied to driving wheel 120
Relatively small driving force.Specifically, can be that directive wheel 130 is internally provided with bearing 134, rotary shaft 132 is bearing on bearing
134.
The hay mover that the present embodiment is provided, employs pedrail mechanism 100.Wherein, the side that crawler belt 140 is contacted with ground
There is flexible material, such as rubber, the abrasion to lawn for the crawler belt 140 when so can reduce hay mover walking.Crawler belt 140 is many
Individual block rubber passes through the series connection closed loop configuration of the hinged formation of metallic pin, and during crawler belt 140 revolution, mainly block rubber produces and reverses,
The noise of therefore generation is little.
Crawler belt 140 can also be plastics crawler belt or metal track.Now, crawler belt 140 is rigid contact when contacting with ground.
Crawler belt 140 adopts the flexible materials such as rubber to be obtained, and possesses elastic telescopic ability, improves the ability adapting to different road conditions, is unlikely to
Rupture easily.In the hay mover course of work, if crawler belt 140 is stretched leading to fluff, elastic component 154 drives adjustment
Part 152 is for linear motion, and then makes directive wheel 130 by crawler belt 140 re-tensioning.
Embodiment two
Refer to Fig. 5, Fig. 6, embodiment two provides a kind of pedrail mechanism 200, can be applicable to various need to use crawler belt
In the instrument of mechanism.Similarly, pedrail mechanism 200 can be applied in hay mover.Pedrail mechanism 200 includes base 110, drives
Wheel (omission is not drawn into), directive wheel 230, crawler belt 240, strainer.
Similarly, pedrail mechanism 200 can be applied in hay mover, can use as the chassis of whole hay mover.Drive
Driving wheel, directive wheel 230 are jointly in order to support base 210.The bottom of driving wheel and directive wheel 230 is set to positioned at same level
Face.Driving wheel and the radius of directive wheel 230 are then preferably set to consistent.Stress below different from embodiment two it
Place.
Ginseng Fig. 6, strainer includes adjusting part 252 and elastic component 254.Wherein, adjustment part 252 includes rotational support
In the second fulcrum 2523 of directive wheel 230 and connect the first fulcrum 2522 and in the first fulcrum 2522 of base 210, rotational support
The connecting rod 2524 of the second fulcrum 2523.First fulcrum 2522 and the second fulcrum 2523 eccentric setting, make adjustment part 252 in base
Pivot center on 110 and directive wheel 230 are set for the eccentric between the pivot center on adjustment part 252.
Elastic component 254 is the torsion spring being arranged on the first fulcrum 2522, and the two ends of torsion spring compress connecting rod 2524 and bottom respectively
Seat 210.So, elastic component 254 is provided that the elastic force making adjustment part 252 respect thereto 210 make oscillating motion.Adjustment part
252 drive directive wheel 230 to make oscillating motion when rotating, and make core wheel between directive wheel 230 and driving wheel away from increase, so as to
Re-tensioning crawler belt 240.
Embodiment three
Refer to Fig. 7, Fig. 8, embodiment three provides a kind of pedrail mechanism 300, can be applicable to various need to use crawler belt
In the instrument of mechanism.Pedrail mechanism 300 includes base 310, driving wheel (omission is not drawn into), directive wheel 330, crawler belt 340, tensioning
Mechanism.
Similarly, pedrail mechanism 300 can be applied in hay mover, can use as the chassis of whole hay mover.Drive
Driving wheel, the common bottom in order to support base 310 driving wheel and directive wheel 330 of directive wheel 330 are set to positioned at same level.
Driving wheel and the radius of directive wheel 230 are then preferably set to consistent.Stress the difference with embodiment two below.
Ginseng Fig. 8, strainer includes adjusting part 352 and elastic component 354.Wherein, adjustment part 352 includes rotational support
In the second fulcrum 3523 of directive wheel 330 and connect the first fulcrum 3522 and in the first fulcrum 3522 of base 310, rotational support
The connecting rod 3524 of the second fulcrum 3523.First fulcrum 3522 and the second fulcrum 3523 eccentric setting, make adjustment part 352 in base
Pivot center on 310 and directive wheel 330 are set for the eccentric between the pivot center on adjustment part 350.
Elastic component 254 is the extension spring being connected between connecting rod 3524 and base 310.Specifically, elastic component 254 company of being arranged on
The side of bar 3524 and away from driving wheel (in Fig. 7, unillustrated driving wheel be located at directive wheel 330 right side).
When crawler belt 340 fluffs, elastic component 254 provides the bullet making adjustment part 252 respect thereto 210 make oscillating motion
Power, this elastic force is pulling force.The axis that adjustment part 252 makees oscillating motion is the first fulcrum 3522.Certainly, by changing elastic component
254 installation site, this elastic force can also be thrust.
Ginseng Fig. 7, directive wheel 330 is not installed and is adjusted the position of part 352 during crawler belt 340 as shown in figure location A, due to leading
The pressure of crawler belt 340 is not affected by wheel 330, is not stretched in elastic component 354, adjustment part 352 is arranged to respect to lead
Vertical line certain angle counterclockwise to the left.It is preferably arranged to 8 degree herein.After crawler belt 340 is installed, directive wheel 330 is subject to crawler belt 340
Pressure after, move to B location and elastic component 354 stretched, in B location, connecting rod 3524 after adjustment part 352 clockwise oscillation
Extend along plumb line.
When crawler belt 340 fluffs, then the pressure giving directive wheel 330 will diminish, because elastic component 354 is in stretching before this
State, therefore elastic component 354 can pull adjustment part 352 clockwise oscillation, adjustment portion during reducing tensile elongation
Part 352 then drives directive wheel 230 to make oscillating motion when swinging, and makes core wheel between directive wheel 230 and driving wheel away from increase, from
And can re-tensioning crawler belt.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (14)
1. a kind of pedrail mechanism is it is characterised in that include:
Base;
Driving wheel, is rotatably arranged on described base;
Directive wheel, supports described base jointly with described driving wheel, and relatively described base is movably arranged;
Crawler belt, encloses around described driving wheel and directive wheel one, with around described driving wheel and guiding crop rotation gyration;And
Strainer, including be connected with described directive wheel with change described directive wheel position adjustment part, be located at described adjustment
Elastic component between part and base, wherein said elastic component provides the driving force making described adjustment part motion, described adjustment
Part drives described directive wheel motion crawler belt described in tensioning.
2. pedrail mechanism according to claim 1 makes described adjustment part relatively it is characterised in that described elastic component provides
Described base is for linear motion or the elastic force of oscillating motion, drives described directive wheel for linear motion during described adjustment part motion
Or oscillating motion.
3. pedrail mechanism according to claim 1 makes pushing away of adjustment part motion it is characterised in that described elastic component provides
Power or pulling force.
4. pedrail mechanism according to claim 1 is it is characterised in that described elastic component drives adjustment part and drives described
During directive wheel motion, the core wheel between described directive wheel and described driving wheel is away from increase.
5. pedrail mechanism according to claim 1 is it is characterised in that the bottom of described driving wheel and directive wheel is positioned at same
Horizontal plane.
6. pedrail mechanism according to claim 1 is it is characterised in that pass through between described directive wheel and described adjustment part
Rotary shaft is realized rotating and is connected.
7. pedrail mechanism according to claim 1 is it is characterised in that described adjustment part has with described base in straight line
The axis of guide being slidably matched on direction, described elastic component is arranged on the axis of guide, and the two ends of elastic component are subject to described adjustment respectively
Part and the pressure of described base.
8. pedrail mechanism according to claim 1 is it is characterised in that described adjustment part is connected with described base rotation,
Rotate between described directive wheel and described adjustment part and be connected, wherein said adjustment pivot center on base for the part with described
Directive wheel is set for the eccentric between the pivot center on adjustment part.
9. pedrail mechanism according to claim 1 is it is characterised in that described adjustment part includes rotational support in described bottom
First fulcrum of seat, rotational support are in the second fulcrum of described directive wheel and the connecting rod connecting the first fulcrum and the second fulcrum.
10. pedrail mechanism according to claim 9 is it is characterised in that described elastic component is to be arranged on the first fulcrum
Torsion spring, the two ends of described torsion spring compress described connecting rod and base respectively.
11. pedrail mechanisms according to claim 9 are it is characterised in that described elastic component is connected to described connecting rod and base
Between.
12. pedrail mechanisms according to claim 1 are it is characterised in that be additionally provided with the described driving of driving on described base
The motor that wheel rotates.
A kind of 13. hay movers, it is characterised in that including the pedrail mechanism as described in any one of claim 1-12, also include:Position
Grass-mowing in described base bottom.
14. hay movers according to claim 13 are it is characterised in that the side that described crawler belt is contacted with ground has flexibility
Material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620730911.4U CN205930977U (en) | 2016-07-12 | 2016-07-12 | Crawler and have this crawler's lawn mower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620730911.4U CN205930977U (en) | 2016-07-12 | 2016-07-12 | Crawler and have this crawler's lawn mower |
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CN205930977U true CN205930977U (en) | 2017-02-08 |
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ID=57928159
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CN201620730911.4U Active CN205930977U (en) | 2016-07-12 | 2016-07-12 | Crawler and have this crawler's lawn mower |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107402573A (en) * | 2016-05-19 | 2017-11-28 | 苏州宝时得电动工具有限公司 | Automatic working system, from mobile device and its control method |
CN107600209A (en) * | 2016-07-12 | 2018-01-19 | 苏州宝时得电动工具有限公司 | Pedrail mechanism and the hay mover with the pedrail mechanism |
TWI614167B (en) * | 2017-05-11 | 2018-02-11 | Zhou hong ru | Vehicle with track tension adjustment |
-
2016
- 2016-07-12 CN CN201620730911.4U patent/CN205930977U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107402573A (en) * | 2016-05-19 | 2017-11-28 | 苏州宝时得电动工具有限公司 | Automatic working system, from mobile device and its control method |
CN107402573B (en) * | 2016-05-19 | 2021-05-14 | 苏州宝时得电动工具有限公司 | Automatic working system, automatic moving equipment and control method thereof |
CN107600209A (en) * | 2016-07-12 | 2018-01-19 | 苏州宝时得电动工具有限公司 | Pedrail mechanism and the hay mover with the pedrail mechanism |
TWI614167B (en) * | 2017-05-11 | 2018-02-11 | Zhou hong ru | Vehicle with track tension adjustment |
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