CN107150726A - Rubber belt track - Google Patents
Rubber belt track Download PDFInfo
- Publication number
- CN107150726A CN107150726A CN201611216713.7A CN201611216713A CN107150726A CN 107150726 A CN107150726 A CN 107150726A CN 201611216713 A CN201611216713 A CN 201611216713A CN 107150726 A CN107150726 A CN 107150726A
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- CN
- China
- Prior art keywords
- rubber
- crawler belt
- track
- base
- tread layer
- 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.)
- Granted
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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
- B62D55/18—Tracks
- B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
-
- 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
- B62D55/18—Tracks
- B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
- B62D55/253—Tracks of continuously flexible type, e.g. rubber belts having elements interconnected by one or more cables or like elements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The rubber belt track that the present invention is provided, can take into account resistance to anti-thread breakage and resistance to crack growth resistance.Rubber belt track (1) possesses：Track body (2), it is formed as ring-band shape by rubber, and arranges the prominent multiple lugs (5) of oriented crawler belt outer circumferential side (co)；Tension element (4), it is embedded in track body (2), and continuously extends along crawler belt circumferential (a).Track body (2) has：Base tread layer (2a), it is configured at the crawler belt outer circumferential side (co) of tension element (4) and continuous along crawler belt circumferential (a)；Top tread ply (2b), it is configured at the crawler belt outer circumferential side (co) of base tread layer (2a) and continuous along crawler belt circumferential (a).Base tread layer (2a) possesses the base portion lug (5a) prominent to the inside of each lug (5).
Description
Technical field
The present invention relates to the rubber belt track for taking into account resistance to anti-thread breakage and resistance to crack growth resistance.
Background technology
In the past, known a kind of rubber belt track, it has：The track body of ring-band shape is formed as by rubber and shoe is embedded in
Tension element with main body.In order to transmit driving force during traveling, tractive force, form oriented crawler belt outer circumferential side in track body and protrude
Multiple lugs.Tension element in order to keep the tension force of track body, and along crawler belt it is circumferentially continuous extend.
Track body utilizes the tension force of tension element, and its shape is also kept in motion.On the other hand, leaned on positioned at than tension element
The lug of crawler belt outer circumferential side, has occur larger deformation because of ground connection in motion.Because of the deformation, exist in lug
Root near situation about cracking.Moreover, in the presence of lug repeated deformation in motion, so that such crack growth, most
Cause the problem of lug is broken eventually.
For example, following patent documents 1 propose to have the rubber for the rubber mass core body for being embedded with high rigidity in the inside of lug to carry out
Band.The rubber belt track of patent document 1, in order to prevent the interface in rubber mass core body and tension element to be peeling, and via bonding
Rubber layer buries rubber mass core body, so as to suppress the generation of crackle.
Patent document 1：Japanese Unexamined Patent Publication 09-249163 publications
However, the rubber belt track of above-mentioned patent document 1, although can suppress to crack near the root of lug, but
It is, in the case where generating crackle, to be peeled off between adhesive rubber layer and rubber mass core body, so that the growth of crackle can not be suppressed.
In addition, the rubber belt track of patent document 1 is in the case where rubber mass core body generates crackle in itself, it can not also suppress its growth.
The content of the invention
The present invention is that main purpose is to provide one kind so that track body bag in view of the actual conditions of the above are made
It is basic containing base tread layer and top tread ply, takes into account the rubber belt track of resistance to anti-thread breakage and resistance to crack growth resistance.
The rubber belt track of the present invention, possesses：Track body：The track body is formed as ring-band shape by rubber, and arranges
Multiple lugs that oriented crawler belt outer circumferential side is protruded；Tension element, the tension element is embedded in the track body, and circumferential along crawler belt
Continuously extend, it is characterised in that the track body has：Base tread layer, base tread layer is configured at the tension
The crawler belt outer circumferential side of body and circumferentially continuous along crawler belt；Top tread ply, the top tread ply is configured at the base tread layer
Crawler belt outer circumferential side and circumferentially continuous along crawler belt, the base tread layer possesses the base portion prominent to the inside of each lug
Lug.
In the rubber belt track of the present invention, it is preferably, the top tread ply forms the outer peripheral face of the track body.
In the rubber belt track of the present invention, it is preferably that the JIS-A hardness of the top tread ply is higher than the base tread
The JIS-A hardness of layer.
In the rubber belt track of the present invention, it is preferably that the JIS-A hardness of the top tread ply is 60 degree~80 degree.
In the rubber belt track of the present invention, it is preferably that the JIS-A hardness of the base tread layer is 50 degree~70 degree.
In the involved rubber belt track of the present invention, it is preferably, JIS-A hardness and the base portion of the top tread ply
The difference of the JIS-A hardness of tread ply is 4 degree~15 degree.
In the rubber belt track of the present invention, it is preferably that the top tread ply contains natural rubber, the base tread layer
Contain synthetic rubber.
In the rubber belt track of the present invention, it is preferably that the thickness of the top tread ply is the thickness of base tread layer
0.4 times~1.2 times of degree.
In the rubber belt track of the present invention, it is preferably, the thickness point of top tread ply and the base tread layer
Wei not more than 1.5mm.
In the rubber belt track of the present invention, track body has：Base tread layer, it is configured at the crawler belt periphery of tension element
Side and circumferentially continuous along crawler belt；Top tread ply, it is configured at the crawler belt outer circumferential side of base tread layer and circumferential along crawler belt
Continuously.Such track body can for example be formed top tread ply by resistance to anti-thread breakage excellent elastomeric material, be given birth to by resistance to crackle
The excellent elastomeric material formation base tread layer of long property.Therefore track body can suppress the production of crackle using top tread ply
It is raw.In addition, in the case that top tread ply generates crackle, track body can also be suppressed using base tread layer should
The growth of crackle.
In addition, base tread layer possesses the base portion lug prominent to the inside of each lug.Such base tread layer, even if
In the case of generating crackle near the root of the lug easily cracked, it can also suppress its growth.Therefore rubber is carried out
Band can suppress the fracture of lug, so as to improve its durability.
Brief description of the drawings
Fig. 1 is the stereogram for an embodiment for representing the rubber belt track of the present invention.
Fig. 2 is the top view that rubber belt track is represented from crawler belt outer circumferential side.
Fig. 3 is the sectional view of Fig. 2 line A-A.
Fig. 4 is the sectional view of Fig. 2 line B-B.
Fig. 5 is the top view for the rubber belt track for representing the other embodiment of the present invention.
Description of reference numerals：1 ... rubber belt track；2 ... track bodies；2a ... base treads layer；2b ... tops tread ply；
4 ... tension elements；5 ... lugs；5a ... base portion lugs.
Embodiment
Hereinafter, an embodiment of the invention is illustrated based on accompanying drawing.
Fig. 1 is the stereogram for the rubber belt track 1 for representing present embodiment.As shown in figure 1, the rubber belt track of present embodiment
1 possesses：The track body 2 of ring-band shape is formed as by rubber, the multiple plugs 3 and tension element 4 of track body 2 are embedded in.
In this manual, crawler belt is circumferentially the direction of rotation of rubber belt track 1, what the reference a equivalent to Fig. 1 was represented
Direction.In addition, crawler width direction is the axial direction of rubber belt track 1 driving wheel, floating roller and roller when being installed on vehicle, quite
The direction represented in Fig. 1 reference b.In addition, crawler belt thickness direction is orthogonal with crawler belt circumference and crawler width direction
Direction, the direction that the reference c equivalent to Fig. 1 is represented.In crawler belt thickness direction c, the inner side of the rubber belt track 1 of ring-band shape
It is set to crawler belt inner circumferential side ci.In addition, the outside of the rubber belt track 1 of ring-band shape is set to crawler belt outer circumferential side co.
Fig. 2 is the top view for the rubber belt track 1 that present embodiment is represented from crawler belt outer circumferential side co.Fig. 3 is Fig. 2 line A-A
Sectional view, Fig. 4 is the sectional view of Fig. 2 line B-B.As shown in Figure 1 to 4, the track body 2 of present embodiment is wide in crawler belt
Spending on the b of direction has the width of constant.Preferably arranged at substantially equal intervals along crawler belt circumference a in track body 2 oriented
Multiple lugs 5 that crawler belt outer circumferential side co is protruded.
Track body 2 is for example with following functions：When rubber belt track 1 is installed on into vehicle, driving wheel, floating roller and
Roller (omit diagram) etc. is connected to crawler belt inner circumferential side ci face that is, inner peripheral surface, and can be via lug 5 by the driving of vehicle
Power is transferred to ground plane.Possess the rubber belt track 1 of such track body 2, on road of mating formation, damage road possibility of mating formation
Also it is smaller, and riding comfort is also good.
Plug 3 is formed such as the metal material of the hard as steel.The generally elongated shape of plug 3, for example with for
Guide a pair of projection 3a of driving wheel, floating roller and roller etc..Plug 3 is preferably to make length direction towards crawler width direction
B, and equally spaced it is embedded in track body 2 along crawler belt circumference a.Now, a pair of projection 3a of plug 3 are from track body 2 to shoe
Band inner circumferential side ci is protruded.Such plug 3 also has the shape for keeping track body 2, and more reliably transmits next self-driven
The function of the driving force of wheel.
Tension element 4 is, for example, by along multiple stretching resistance cords such as the crawler belt circumference a steel cords extended along crawler width direction b
Formed by side by side.Tension element 4 for example by crawler belt outer circumferential side co and leans on crawler belt in crawler belt thickness direction c ratio plug 3 than lug 5
Inner circumferential side ci position, is embedded in track body 2.The tension element 4 of present embodiment is wound along crawler belt circumference a, and all along crawler belt
Continuously extend to a.Such tension element 4 can keep the tension force of rubber belt track 1, so that the rubber belt track 1 when preventing traveling
De- wheel.
Lug 5 is, for example, the generally trapezoidal pyramid-shaped extended along crawler width direction b.Such lug 5 can transmit compared with
Big driving force.In addition, such lug 5 is larger due to the length near its root, therefore, it is possible to improve mechanical strength.
As shown in Fig. 1, Fig. 3 and Fig. 4, the track body 2 of present embodiment has：Outside the crawler belt for being configured at tension element 4
The week side of boss co base tread layer 2a and be configured at base tread layer 2a crawler belt outer circumferential side co top tread ply 2b.
Such track body 2 can for example be formed top tread ply 2b by resistance to anti-thread breakage excellent elastomeric material, by resistance to
The excellent elastomeric material formation base tread layer 2a of crack growth resistance.Therefore track body 2 can utilize top tread ply 2b suppressions
The generation of crackle processed.In addition, in the case that top tread ply 2b generates crackle, track body 2 can also utilize base
Portion tread ply 2a suppresses the growth of the crackle.
The base tread layer 2a of present embodiment continuously extends along crawler belt circumference a.Base tread layer 2a preferably comprises conjunction
Into rubber.The mixing ratio of synthetic rubber in base tread layer 2a elastomeric material is preferably more than 30 mass %.It is such
Base tread layer 2a resistance to crack growth resistance is excellent.In addition, though the base tread layer 2a of present embodiment is not arrived, to reach crawler belt wide
Direction b end is spent, but base tread layer 2a can also arrive the both ends for reaching crawler width direction b.
The JIS-A hardness of base tread layer 2a elastomeric material is preferably 50~70 degree.If base tread layer 2a rubber
The JIS-A hardness of material is less than 50 degree, then mechanical strength is not enough, it is possible to the deformation of the lug 5 when being grounded when making traveling
Amount increase.In addition, if the JIS-A hardness of base tread layer 2a elastomeric material is more than 70 degree, resistance to crack growth resistance is possible to
Do not improve.In addition, JIS-A hardness is represented on the basis of the regulation of " JIS-K6253 ", shut out in the environment of 23 DEG C of temperature by A types
The hardness that sieve rebound Durometer measurements go out.
The top tread ply 2b of present embodiment continuously extends along crawler belt circumference a.In the present embodiment, top tyre surface
The outer peripheral face of layer 2b formation track bodies 2.Top tread ply 2b preferably comprises natural rubber.Top tread ply 2b elastomeric material
In the mixing ratio of natural rubber be preferably below 60 mass %.Such top tread ply 2b's is resistance to anti-thread breakage excellent.
The JIS-A hardness of top tread ply 2b elastomeric material is preferably 60~80 degree.If top tread ply 2b rubber
The JIS-A hardness of material is less than 60 degree, then resistance to anti-thread breakage to be possible to not improve.If in addition, top tread ply 2b elastomeric material
JIS-A hardness be more than 80 degree, it is likely that reduce bendability so that traveling when fuel performance variation, additionally due to
It is high rigidity, it is therefore possible to make to mat formation, the riding comfort on road is deteriorated.
The JIS-A hardness of top tread ply 2b elastomeric material is preferably more than base tread layer 2a elastomeric material
JIS-A hardness.Track body 2 with such top tread ply 2b and base tread layer 2a, can utilize top tread ply
2b suppresses the generation of crackle.In addition, in the case that top tread ply 2b generates crackle, track body 2 also being capable of profit
Suppress the growth of the crackle with base tread layer 2a.
The JIS-A hardness of top tread ply 2b elastomeric material and the JIS-A hardness of base tread layer 2a elastomeric material
Difference be preferably 4~15 degree.If the difference is less than 4 degree, the difference of top tread ply 2b and base tread layer 2a characteristic diminishes, from
And be possible to that resistance to anti-thread breakage and resistance to crack growth resistance can not be taken into account.If in addition, the difference be more than 15 degree, make top tread ply 2b and
Base tread layer 2a characteristic difference increase, it is possible to making top tread ply 2b and base tread layer 2a in its boundary face
Peel off.
The base tread layer 2a of present embodiment possesses：The base portion lug 5a and connection prominent to the inside of each lug 5 is each
Base portion lug 5a base band 6a.Base band 6a thickness t1 is preferably more than 1.5mm.Base band 6a thickness t1 is preferably substantially permanent
It is fixed.
In addition, base portion lug 5a maximum gauge t2 is more than base band 6a thickness t1.That is, the thickness of base tread layer 2a is excellent
Elect as and spread all over crawler belt circumference a complete cycle for more than 1.5mm.Such base tread layer 2a is even in the lug easily cracked
In the case of generating crackle near 5 root, it can also suppress its growth.Therefore rubber belt track 1 suppresses the fracture of lug 5,
So as to improve its durability.
The base portion lug 5a of present embodiment along the continuous base band 6a of crawler belt circumference a with being integrally formed.Therefore base portion is dashed forward
Ear 5a from root be ruptured around it is less likely so that improve base tread layer 2a intensity.Therefore rubber belt track 1 is durable
Property is further improved.
The top tread ply 2b of present embodiment possesses：Tyre surface lug 5b and the connection for constituting the outer surface of each lug 5 are each
Tyre surface lug 5b tread strip 6b.Tread strip 6b thickness t3 is preferably more than 1.5mm.In addition, tyre surface lug 5b maximum is thick
Spend the thickness t3 that t4 is more than tread strip 6b.That is, the thickness of top tread ply 2b is preferably that the complete cycle for spreading all over crawler belt circumference a is
1.5mm more than.Tyre surface lug 5b is preferably with being integrally formed along the continuous tread strip 6b of crawler belt circumference a.
Tread strip 6b thickness t3 is preferably 0.4~1.2 times of base band 6a thickness t1.In addition, tyre surface lug 5b is most
Big thickness t4 is preferably 0.4~1.2 times of base portion lug 5a maximum gauge t2.That is, the thickness of top tread ply 2b is preferably
The complete cycle for spreading all over crawler belt circumference a is 0.4~1.2 times of base tread layer 2a thickness.With such top tread ply 2b and
Base tread layer 2a track body 2, can balancedly improve resistance to anti-thread breakage and resistance to crack growth resistance.
Fig. 5 is the top view for the rubber belt track 11 for representing the other embodiment of the present invention.As shown in figure 5, the embodiment party
The rubber belt track 11 of formula possesses：The track body 12 of ring-band shape is formed as by rubber, multiple plugs of track body 12 are embedded in
13 and tension element (omit diagram).
It is preferably to be equipped with multiple lugs 15 at substantially equal intervals along crawler belt circumference a in track body 12.The lug 15
Such as possess：First lug 15A of crawler width direction b side and the second lug 15B of opposite side.Even in such side
In the track body 12 of formula, also it is likewise supplied with above-mentioned embodiment：Base tread layer with base portion lug (omitting diagram)
(omitting diagram) and the top tread ply (omitting diagram) for being configured at its outer surface.
Although the first lug 15A and the second lug 15B of the embodiment are configured along crawler belt circumference a staggered positions,
The position for being crawler belt circumference a can also be identical position.In addition, in other various known lug patterns, in it
Cage structure can also use the construction same with above-mentioned embodiment.
More than, although to the present invention particularly preferred embodiment have been described in detail, but the present invention be not limited to it is above-mentioned
Embodiment, but various modes can be deformed into implement.
Claims (9)
1. a kind of rubber belt track, possesses：Track body：The track body is formed as ring-band shape by rubber, and arranges oriented shoe
The multiple lugs protruded with outer circumferential side；Tension element, the tension element is embedded in the track body, and along crawler belt circumferentially continuously
Extension, it is characterised in that
The track body has：Base tread layer, the base tread layer be configured at the tension element crawler belt outer circumferential side and
It is circumferentially continuous along crawler belt；Top tread ply, the top tread ply is configured at the crawler belt outer circumferential side of the base tread layer and edge
Crawler belt is circumferentially continuous,
The base tread layer possesses the base portion lug prominent to the inside of each lug.
2. rubber belt track according to claim 1, it is characterised in that
The top tread ply forms the outer peripheral face of the track body.
3. rubber belt track according to claim 1 or 2, it is characterised in that
JIS-A hardness of the JIS-A hardness of the top tread ply higher than base tread layer.
4. the rubber belt track according to any one of claims 1 to 3, it is characterised in that
The JIS-A hardness of the top tread ply is 60 degree~80 degree.
5. the rubber belt track according to any one of Claims 1 to 4, it is characterised in that
The JIS-A hardness of the base tread layer is 50 degree~70 degree.
6. the rubber belt track according to any one of Claims 1 to 5, it is characterised in that
The difference of the JIS-A hardness of the top tread ply and the JIS-A hardness of base tread layer is 4 degree~15 degree.
7. the rubber belt track according to any one of claim 1~6, it is characterised in that
The top tread ply contains natural rubber,
The base tread layer contains synthetic rubber.
8. the rubber belt track according to any one of claim 1~6, it is characterised in that
The thickness of the top tread ply is 0.4 times~1.2 times of the thickness of base tread layer.
9. the rubber belt track according to any one of claim 1~8, it is characterised in that
The thickness of top tread ply and the base tread layer is respectively more than 1.5mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-039802 | 2016-03-02 | ||
| JP2016039802A JP6763152B2 (en) | 2016-03-02 | 2016-03-02 | Rubber crawler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107150726A true CN107150726A (en) | 2017-09-12 |
| CN107150726B CN107150726B (en) | 2021-02-02 |
Family
ID=59791929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216713.7A Active CN107150726B (en) | 2016-03-02 | 2016-12-26 | Rubber track |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6763152B2 (en) |
| CN (1) | CN107150726B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09249163A (en) * | 1996-03-18 | 1997-09-22 | Ohtsu Tire & Rubber Co Ltd :The | Elastic clawler |
| US20030111903A1 (en) * | 2000-12-01 | 2003-06-19 | The Ohtsu Tire & Rubber Co., Ltd. | Resilient crawler and method of manufacturing the same |
| JP2005343273A (en) * | 2004-06-02 | 2005-12-15 | Sumitomo Rubber Ind Ltd | Elastic crawler |
| JP2009061821A (en) * | 2007-09-04 | 2009-03-26 | Bridgestone Corp | Manufacturing method of rubber crawler |
| EP2529999A2 (en) * | 2010-01-26 | 2012-12-05 | Dong-Il Rubber Belt Co., Ltd. | Rubber crawler having metal core for improvement of wheel separation and durability |
| CN103492258A (en) * | 2011-04-05 | 2014-01-01 | 株式会社普利司通 | Crawler travel device and elastic crawler |
| CN204021040U (en) * | 2014-08-30 | 2014-12-17 | 浙江三门维艾尔工业有限公司 | Anodontia rubber belt track |
| CN204775569U (en) * | 2015-07-19 | 2015-11-18 | 江西金利隆橡胶履带有限公司 | Strengthening rib type rubber track |
-
2016
- 2016-03-02 JP JP2016039802A patent/JP6763152B2/en active Active
- 2016-12-26 CN CN201611216713.7A patent/CN107150726B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09249163A (en) * | 1996-03-18 | 1997-09-22 | Ohtsu Tire & Rubber Co Ltd :The | Elastic clawler |
| US20030111903A1 (en) * | 2000-12-01 | 2003-06-19 | The Ohtsu Tire & Rubber Co., Ltd. | Resilient crawler and method of manufacturing the same |
| JP2005343273A (en) * | 2004-06-02 | 2005-12-15 | Sumitomo Rubber Ind Ltd | Elastic crawler |
| JP2009061821A (en) * | 2007-09-04 | 2009-03-26 | Bridgestone Corp | Manufacturing method of rubber crawler |
| EP2529999A2 (en) * | 2010-01-26 | 2012-12-05 | Dong-Il Rubber Belt Co., Ltd. | Rubber crawler having metal core for improvement of wheel separation and durability |
| CN103492258A (en) * | 2011-04-05 | 2014-01-01 | 株式会社普利司通 | Crawler travel device and elastic crawler |
| CN204021040U (en) * | 2014-08-30 | 2014-12-17 | 浙江三门维艾尔工业有限公司 | Anodontia rubber belt track |
| CN204775569U (en) * | 2015-07-19 | 2015-11-18 | 江西金利隆橡胶履带有限公司 | Strengthening rib type rubber track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107150726B (en) | 2021-02-02 |
| JP2017154612A (en) | 2017-09-07 |
| JP6763152B2 (en) | 2020-09-30 |
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