CN103899735B - Chain wheel of excavator - Google Patents
Chain wheel of excavator Download PDFInfo
- Publication number
- CN103899735B CN103899735B CN201310298126.7A CN201310298126A CN103899735B CN 103899735 B CN103899735 B CN 103899735B CN 201310298126 A CN201310298126 A CN 201310298126A CN 103899735 B CN103899735 B CN 103899735B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- curve
- sandy soil
- sprocket
- connecting pin
- 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.)
- Active
Links
- 239000002689 soil Substances 0.000 claims abstract description 47
- 238000007373 indentation Methods 0.000 claims description 40
- 230000005855 radiation Effects 0.000 claims description 2
- 241000219098 Parthenocissus Species 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/12—Arrangement, location, or adaptation of driving sprockets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/088—Endless track units; Parts thereof with means to exclude or remove foreign matter, e.g. sealing means, self-cleaning track links or sprockets, deflector plates or scrapers
- B62D55/0885—Self-cleaning sprockets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/088—Endless track units; Parts thereof with means to exclude or remove foreign matter, e.g. sealing means, self-cleaning track links or sprockets, deflector plates or scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a chain wheel of an excavator which is engaged with a belt to drive the excavator to move. The chain wheel comprises a main body and a reinforced bar. The main body is provided with plural protruding geared wheels which correspond and are held in plural chain wheel grooves. The reinforced bar is adjacent to the plural protruding geared wheels and protrudes in parallel with the rotation shaft of the main body. The reinforced bar is also provided with a soil exhausting portion with a curve shape.
Description
Technical field
The present invention relates to the sprocket wheel of excavator（SPROCKET FOR EXCAVATOR）, more specifically, it is related to be provided with sand
Native discharge unit and the sprocket wheel of the excavator that can be easily drained foreign body.
Background technology
In general, excavator is used for excavating sandy soil, rock as a kind of weight equipment of building or fills for sandy soil
Carry operation etc..Excavator can be divided into types of track and wheel type.Especially, the excavator of types of track and the excavator for taking turns type
Compare, the face width contacted with ground and operation can be carried out in wetland or strategical vantage point etc..
The excavator of types of track using connecting pin combine multiple chain links and form crawler belt, and by the connecting pin of crawler belt with
It is formed with the engagement of the sprocket wheel of profile of tooth and rotates crawler belt.
In the case of carrying out excavating in the excavator using this types of track the operation of sandy soil or rock, sandy soil or stone
It is inserted in sprocket indentations Deng foreign body and hinders the profile of tooth of sprocket wheel and engaging for connecting pin.
Also, in the case of in the one side that this foreign body is deposited in sprocket indentations or profile of tooth, make between constant tooth pitch
Every a part of thickening of the profile of tooth for being formed.So as to when connecting pin is engaged with the profile of tooth of sprocket wheel, be caused due to the insertion of foreign body
Tooth pitch is different, thus there is a problem of that sprocket wheel is damaged.
The content of the invention
Problem to be solved
The present invention arranges sandy soil discharge unit to extend the life-span of sprocket wheel in order to solve problem as above, on sprocket wheel.
The means to solve the problem
In order to achieve the above object, the sprocket wheel of excavator of the invention includes main body and ribs, aforementioned body shape
Into have with radiation project multiple profiles of tooth and above-mentioned profile of tooth be alternately arranged and accommodate multiple sprocket indentations of above-mentioned connecting pin,
The face adjacent with above-mentioned multiple sprocket indentations of above-mentioned ribs along the direction parallel with the rotary shaft of aforementioned body highlightedly
Formed, be formed with to inner side on above-mentioned ribs and there is curve（curve）The sandy soil discharge unit of shape.
Also, above-mentioned sandy soil discharge unit be formed at the bottom of the tooth portion of above-mentioned sprocket indentations with when above-mentioned crawler belt rotates by above-mentioned
Connecting pin is vertically between the face of above-mentioned sprocket indentations pressurization.
The sprocket wheel of excavator is characterised by, above-mentioned sandy soil discharge unit also includes the first curve and the second curve, above-mentioned the
One curve is formed at and vertically above-mentioned sprocket indentations is added by above-mentioned connecting pin when above-mentioned crawler belt is rotated to a direction
Between the face of pressure and above-mentioned bottom of the tooth portion, above-mentioned second curve is formed at when above-mentioned crawler belt is rotated to other direction by above-mentioned connection
Pin is vertically between the face and above-mentioned bottom of the tooth portion of the pressurization of above-mentioned sprocket indentations.
Above-mentioned sandy soil discharge unit also includes linking the linking part between above-mentioned first curve and above-mentioned second curve, above-mentioned company
Knot is formed in above-mentioned bottom of the tooth portion.
Invention effect
Each embodiment of the invention, can make the foreign bodies such as sandy soil or stone from chain due to being formed with sandy soil discharge unit
Wheel is discharged such that it is able to extend the life-span of the sprocket wheel of excavator.
Description of the drawings
Fig. 1 is the figure of the sprocket wheel for representing excavator of the invention.
Fig. 2 is the figure of the sprocket wheel for representing Fig. 1.
Fig. 3 is the axonometric chart of the sprocket indentations for representing Fig. 2.
In figure：
100- sprocket wheels, the sprocket wheel of 101- excavators, 110- main bodys, 120- profiles of tooth, 130- sprocket indentations, 131- teeth
Bottom, 140- ribs, 150- sandy soil discharge units, the first curves of 151-, the second curves of 152-, 153- linking parts,
200- crawler belts, 210- chain links, 220- connecting pins, 230- creeper treads.
Specific embodiment
Hereinafter, referring to the drawings embodiments of the invention are described in detail, so that the technical field belonging to the present invention
Technical staff can easily implement the present invention.The present invention can be realized in a number of different manners, it is not limited to which here is said
Bright embodiment.
First explain in advance, accompanying drawing is schematic and is not drawn on chi to represent.In accompanying drawing, each several part is relative
Size and ratio be enlarged or reduced representing, to guarantee the definition and convenience of accompanying drawing, and arbitrary size is
It is exemplary rather than determinate.Also, come across the identical structural element in two or more accompanying drawing or part uses phase
With reference representing similar feature.
Embodiments of the invention specifically represent the preferred embodiments of the present invention.As a result, can be contemplated to being described with reference to FIG.
Various modifications.So as to embodiment is not limited to the specific modality in illustrated region, such as also include what is caused by manufacture
The deformation of form.
Hereinafter, the sprocket wheel 101 of excavator according to an embodiment of the invention is illustrated referring to figs. 1 to Fig. 3.
As shown in figure 1, the sprocket wheel 101 of excavator according to an embodiment of the invention includes crawler belt 200 and sprocket wheel
100。
Also, crawler belt 200 can include chain link 210, connecting pin 220 and creeper tread 230.
Crawler belt 200 is linked using connecting pin 220 by multiple chain links 210 each other and forms closed loop.Crawler belt 200 passes through sprocket wheel
100 driving and to sprocket wheel 100 rotation direction rotate with it.So as to rotation of the excavator to sprocket wheel 100 and crawler belt 200
Turn direction movement.
Creeper tread 230 is combined with the side of chain link 210, and is made including the jut shown in Fig. 1 and with excavator
The ground contact of industry.The jut of creeper tread 230 can improve the frictional force with ground, so that excavator is in strategical vantage point or inclination
Building site effectively travel.
As shown in Fig. 2 sprocket wheel 100 includes main body 110, ribs 140 and sandy soil discharge unit 150.
Main body 110 is formed as disc, and the multiple profiles of tooth 120 projected with constant tooth pitch are formed with outer peripheral face,
The sprocket indentations 130 being alternately arranged are formed between the multiple profiles of tooth 120 for being formed.
Also, connecting pin 220 is accommodated in sprocket indentations 130（Shown in Fig. 1）.
The face adjacent with sprocket indentations 130 of ribs 140 along the direction parallel with the rotary shaft of main body 110 highlightedly
Formed.That is, ribs 140 by a part for the one side of the discoidal main body 110 adjacent with sprocket indentations 130 from main body
110 project and are formed.
Ribs 140 is formed with to inner side has curve（curve）The sandy soil discharge unit 150 of shape.
According to this structure, the sprocket wheel 101 of excavator according to an embodiment of the invention is formed with ribs 140,
So as to effectively support connecting pin 220.
Ribs 140 is that the face adjacent with the sprocket indentations 130 for accommodating connecting pin 220 projects and formed, therefore is formed with
Compared with the thickness of discoidal main body 110, its thickness is relatively thick in the region of ribs 140.
Thus, it is possible to reduce the weight of whole sprocket wheel 100, and increase among sprocket indentations 130 by connecing with connecting pin 220
Touch and the rigidity of the part of concentrated stress.Also, expense can be saved by reducing raw material when sprocket wheel 100 is manufactured.
As shown in figure 3, sandy soil discharge unit 150 has curve shape and is formed at the one side of ribs 140.
The curve shape of sandy soil discharge unit 150 is formed to the inner side of ribs 140.That is, sandy soil discharge unit 150 is formed at and adds
On strong rib 140, and the rightabout prominent to ribs 140 is formed.
So as to being formed at the ribs 140 in a sprocket indentations 130 to both sides and there is sandy soil discharge unit 150 respectively, respectively
150 direction relative to each other of individual sandy soil discharge unit is formed with curved shape.
Sandy soil discharge unit 150 can also include 151 He of the first curve with the curve shape formed to inner side, above-mentioned curve
Second curve 152.
Now, the radius of curvature of the first curve 151 is identical with the radius of curvature of the second curve 152.
Also, specifically, in sprocket indentations 130, from one end of the profile of tooth 120 adjacent with above-mentioned sprocket indentations 130
It is formed with the bottom of the tooth portion 131 of the bottommost as above-mentioned sprocket indentations 130.That is, bottom of the tooth portion 131 is the one side of sprocket indentations 130
Among apart from the nearest part of the center of rotation of main body 110.
First curve 151 and the second curve 152 of sandy soil discharge unit 150 is formed in the way of being contacted with bottom of the tooth portion 131.From
And, the flex point that the first curve 151 and the second curve 152 converge can be formed in bottom of the tooth portion 131.That is, the reinforcement in bottom of the tooth portion 131
140 thickness of rib is compared with the thickness of ribs 140 for being formed with other sandy soil discharge units 150, relatively thin.
Also, sandy soil discharge unit 150 can also include linking the linking part between the first curve 151 and the second curve 152
153。
Now, linking part 153 is located between the first curve 151 and the second curve 152 and is contacted with bottom of the tooth portion 131.
In the case where bottom of the tooth portion 131 is formed as plane, the radius of curvature of linking part 153 is formed as infinitely great, so as to
Enough sandy soil discharge units 150 for widely forming the relatively thin bottom of the tooth portion 131 of thickness compared with other sandy soil discharge units 150.And
And, linking part 153 can be entered joining line to the curve that links the first curve 151 and the second curve 152 and be formed with arc form
Sandy soil discharge unit 150.
According to this structure, the sprocket wheel 101 of excavator according to an embodiment of the invention, the shape on ribs 140
Into there is sandy soil discharge unit 150 such that it is able to which discharge is flowed into the sandy soil in sprocket indentations 130.
Also, sandy soil discharge unit is formed respectively on the ribs 140 being formed to both sides in a sprocket indentations 130
150, in the case where sandy soil are flowed in sprocket indentations 130, sandy soil can be effectively discharged out to both sides.
In addition, the relative reduction of the area of sandy soil or rubble can be piled up in 131 part of bottom of the tooth portion such that it is able to be easily drained
Sandy soil or rubble etc..
Hereinafter, with reference to Fig. 1 and Fig. 3, the course of action to the sprocket wheel 101 of excavator according to an embodiment of the invention
Illustrate.
As shown in figure 1, the connecting pin 220 of crawler belt 200 is contained in the sprocket indentations 130 of sprocket wheel 100.If sprocket wheel 100 is sharp
Rotated with driving means (not shown), then the one side of sprocket indentations 130 is contacted with connecting pin 220, excavator is to sprocket wheel 100
Direction of rotation movement.
When the sprocket wheel 100 from ground supports is rotated to a direction, produce by connecting pin 220 vertically to sprocket wheel
The part A of the pressurization of teeth groove 130.Now, sprocket indentations 130 produce concentration in the part A vertically pressurizeed by connecting pin 220
Load.
When sprocket wheel 100 is rotated to other direction, generation is vertically pressurizeed to sprocket indentations 130 by connecting pin 220
Part B.Now, sprocket indentations 130 produce lumped load in the part B vertically pressurizeed by connecting pin 220.
If the direction of advance of excavator will be set to the rotation in said one direction, the rotation to above-mentioned other direction can
To be set to the direction of retreat of excavator.
Sandy soil discharge unit 150 is formed at when crawler belt 200 is rotated to side by above-mentioned connecting pin 220 vertically on
State between face A and the bottom of the tooth portion 131 of the pressurization of sprocket indentations 130, and be formed at when crawler belt 200 is rotated to opposite side by above-mentioned company
Pin 220 vertically to above-mentioned sprocket indentations 130 pressurization face B and bottom of the tooth portion 131 between.
That is, sandy soil discharge unit 150 is formed along the length direction in bottom of the tooth portion 131 in symmetrical mode.
So as in the case where the curve of the sandy soil discharge unit 150 with curve shape is Curved, flex point is formed at tooth
On bottom 131.
Also, the curve shape of sandy soil discharge unit 150 can include the first curve 151 and the second curve 152.
Now, the first curve 151 of sandy soil discharge unit 150 is formed at when crawler belt 200 is rotated to a direction by connecting
Pin 220 vertically to sprocket indentations 130 pressurization face A and bottom of the tooth portion 131 between, the second curve 152 is formed in crawler belt
The 200 face B and bottom of the tooth portion 131 vertically sprocket indentations 130 pressurizeed by connecting pin 220 when rotating to other direction it
Between.
According to this structure, sandy soil discharge unit according to an embodiment of the invention 150 avoids the product of sprocket indentations 130
Give birth to the face of lumped load and formed, do not hinder intensity to be improved by ribs 140.
So as to when crawler belt 200 rotates, disperse to result from sprocket by above-mentioned connecting pin 220 using ribs 140
Lumped load on groove 130, can be effectively discharged out sandy soil and stone via sandy soil discharge unit 150.
Also, the intensity of sprocket wheel 100 can be improved using ribs 140, sprocket wheel is prevented from using sandy soil discharge unit 150
100 damaged and damage such that it is able to extend the life-span of sprocket wheel 100.
Embodiments of the invention are illustrated above by reference to accompanying drawing, but the technology people of technical field of the present invention
Member is it should be appreciated that the present invention can be real in other specific ways in the case where its technological thought or essential feature is not changed
Apply.
It is therefore to be understood that embodiment described above is exemplary rather than determinate, sheet in all respects
The scope of invention is represented by claims described later, is derived from the meaning and scope and its equivalents of claims
Had altered or mode of texturing be intended to be limited solely by the scope of the present invention.
Claims (1)
1. a kind of sprocket wheel of excavator, is engaged with the connecting pin (220) of crawler belt (200) and rotates above-mentioned crawler belt (200), and which is special
Levy and be,
Including main body (110) and ribs (140),
Aforementioned body (110) be formed with radiation project multiple profiles of tooth (120), and above-mentioned profile of tooth (120) be alternately arranged simultaneously
Multiple sprocket indentations (130) of above-mentioned connecting pin (220) are accommodated,
The face adjacent with above-mentioned multiple sprocket indentations (130) of above-mentioned ribs (140) is become with the thickness than aforementioned body (110)
Thick mode is protrudedly formed along the direction parallel with the rotary shaft of aforementioned body (110),
The oriented rightabout inner side prominent with above-mentioned ribs (140) is formed on above-mentioned ribs (140) there is curve
The sandy soil discharge unit (150) of shape,
Above-mentioned sandy soil discharge unit (150) is formed at the bottom of the tooth portion (131) for being formed as plane of above-mentioned sprocket indentations (130) and upper
State the face (A, B) vertically pressurizeed to above-mentioned sprocket indentations (130) by above-mentioned connecting pin (220) when crawler belt (200) rotates
Between,
Above-mentioned sandy soil discharge unit (150) also includes the first curve (151) and the second curve (152),
Above-mentioned first curve (151) is formed at when above-mentioned crawler belt (200) is rotated to a direction by above-mentioned connecting pin (220) edge
Between the face (A) that vertical direction is pressurizeed to above-mentioned sprocket indentations (130) and above-mentioned bottom of the tooth portion (131),
Above-mentioned second curve (152) is formed at when above-mentioned crawler belt (200) is rotated to other direction by above-mentioned connecting pin (220) edge
Between the face (B) that vertical direction is pressurizeed to above-mentioned sprocket indentations (130) and above-mentioned bottom of the tooth portion (131),
Above-mentioned sandy soil discharge unit (150) also includes linking the company between above-mentioned first curve (151) and above-mentioned second curve (152)
Knot (153),
Above-mentioned linking part (153) is formed on above-mentioned bottom of the tooth portion (131).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0153156 | 2012-12-26 | ||
| KR1020120153156A KR102003068B1 (en) | 2012-12-26 | 2012-12-26 | Sprocket for excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899735A CN103899735A (en) | 2014-07-02 |
| CN103899735B true CN103899735B (en) | 2017-04-12 |
Family
ID=50991244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298126.7A Active CN103899735B (en) | 2012-12-26 | 2013-07-16 | Chain wheel of excavator |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102003068B1 (en) |
| CN (1) | CN103899735B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5771733B1 (en) * | 2014-11-27 | 2015-09-02 | 株式会社ブンリ | Sprocket direct drive shaft for filtration equipment |
| CN106828637B (en) * | 2017-02-09 | 2019-08-23 | 绍兴市亿跃智能科技有限公司 | A kind of antiwind crawler driving whell with track block |
| CN106697092B (en) * | 2017-02-10 | 2019-02-19 | 桐乡市瑞远纺织有限公司 | A kind of antiwind crawler driving whell with gear |
| US11254377B2 (en) * | 2019-07-10 | 2022-02-22 | Caterpillar Inc. | Winged sprocket segments with notches |
| CN112943891B (en) * | 2021-02-22 | 2022-07-12 | 珠海格力电器股份有限公司 | Flexible gear and harmonic reducer comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1270576A (en) * | 1918-01-31 | 1918-06-25 | Cleveland Tractor Co | Track-laying tractor. |
| US3880478A (en) * | 1974-01-07 | 1975-04-29 | Case Co J I | Crawler chain sprocket with relief openings |
| JPH01132853U (en) * | 1988-02-29 | 1989-09-08 | ||
| WO2008037008A1 (en) * | 2006-09-29 | 2008-04-03 | Super Track Enterprises Pty Ltd | Sprocket with debris removing channel |
| CN101959748A (en) * | 2007-12-26 | 2011-01-26 | 独立行政法人宇宙航空研究开发机构 | Crawler type travel device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613187Y2 (en) * | 1977-05-10 | 1981-03-26 | ||
| JP5444080B2 (en) * | 2010-03-29 | 2014-03-19 | 株式会社クボタ | Crawler travel device |
-
2012
- 2012-12-26 KR KR1020120153156A patent/KR102003068B1/en active IP Right Grant
-
2013
- 2013-07-16 CN CN201310298126.7A patent/CN103899735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1270576A (en) * | 1918-01-31 | 1918-06-25 | Cleveland Tractor Co | Track-laying tractor. |
| US3880478A (en) * | 1974-01-07 | 1975-04-29 | Case Co J I | Crawler chain sprocket with relief openings |
| JPH01132853U (en) * | 1988-02-29 | 1989-09-08 | ||
| WO2008037008A1 (en) * | 2006-09-29 | 2008-04-03 | Super Track Enterprises Pty Ltd | Sprocket with debris removing channel |
| CN101959748A (en) * | 2007-12-26 | 2011-01-26 | 独立行政法人宇宙航空研究开发机构 | Crawler type travel device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102003068B1 (en) | 2019-07-23 |
| CN103899735A (en) | 2014-07-02 |
| KR20140084428A (en) | 2014-07-07 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Inchon, South Korea Patentee after: HYUNDAI DOOSAN INFRACORE Co.,Ltd. Address before: Inchon, South Korea Patentee before: DOOSAN INFRACORE Co.,Ltd. |