CN1673017A - Ladder shape caterpillar - Google Patents
Ladder shape caterpillar Download PDFInfo
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- CN1673017A CN1673017A CNA2005100557957A CN200510055795A CN1673017A CN 1673017 A CN1673017 A CN 1673017A CN A2005100557957 A CNA2005100557957 A CN A2005100557957A CN 200510055795 A CN200510055795 A CN 200510055795A CN 1673017 A CN1673017 A CN 1673017A
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- crawler belt
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- 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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- 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
- B62D55/20—Tracks of articulated type, e.g. chains
- B62D55/205—Connections between track links
- B62D55/21—Links connected by transverse pivot pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/25—Track vehicles
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Road Paving Structures (AREA)
Abstract
Provided is a ladder type crawler provided with excellent soft ground traveling performance. This ladder type crawler K1 has a plurality of lugs 13a and 13b arranged in the so-called ladder shape. In a crawler blade 15, asymmetrical cut-out recessed parts 15a satisfying the following mathematical expressions (1) and (2) are formed between the adjacent lugs 13a and/or the lugs 13b. Each of the asymmetrical cut-out recessed parts 15a is located to have a gentle shape in a first arrival side part H of the crawler advancing direction and to have a steep shape in a later arrival side part J. The expression (1) is shown by (2P-L)/10<A<(2P-L)/2. The expression (2) is shown by (2P-L)/10<F<(2P-L)/2. In the expressions (1) and (2), the A is a distance from a center position of a deepest part of the cut-out recessed part of the crawler blade to a center position of the lug, and the F is a depth from the surface of the lug up to a center position of the deepest part of the cut-out recessed part of the crawler blade, the P is a center distance of the adjacent lugs, and the L is a width direction length at an end part on an extended side of the lug.
Description
Technical field
The present invention relates to ladder shape caterpillar.
Background technology
In forming resilient track endless belt-shaped, that constitute by the rubber elastomeric material, as the crawler belt that is suitable for travelling in soft areas such as marshes, the well-known ladder shape caterpillar (opening flat 9-58538 communique) that has the projection that the generation tractive force is used to form so-called ladder shape with reference to the spy.
Figure 12 is an outer circumferential side planar view of representing example of ladder shape caterpillar in the past (below be called " example 1 in the past "), and Figure 13 is an outer circumferential side planar view of representing another example of ladder shape caterpillar in the past (below be called " example 2 in the past ").The ladder shape caterpillar of example 1 in the past, at outer circumferential side (ground plane side) with the crawler belt body 1 that is embedded with axle 2 of endless belt-shaped formation, along the strip length direction with predetermined distance, alternately one is equipped with towards the projection 3a of its bandwidth direction one distolateral extension with towards the projection 3b of another distolateral extension of bandwidth direction, bandwidth direction both sides at crawler belt body 1, between the projection 3a, the 3a that extend along same direction or between projection 3b, the 3b, form the crawler belt wing 5 of grooving recess with symmetry.The ladder shape caterpillar of example 2 in the past, at outer circumferential side (ground plane side) with the crawler belt body 1 that is embedded with axle 2 of endless belt-shaped formation, along the strip length direction with predetermined distance, alternately, one is equipped with projection 3c that extends towards its bandwidth direction both sides and the projection 3d that does not extend, bandwidth direction at crawler belt body 1 one-sided (right side among Figure 13), between above-mentioned projection 3c, 3c, form the crawler belt wing 5 of grooving recess with symmetry.
Summary of the invention
The ladder shape caterpillar or the special general ladder shape caterpillar of opening the ladder shape caterpillar that flat 9-58538 communique disclosed that comprise example 1,2 in the past, in order to improve crossing ability in soft area, and need carry out balance to the raising of tractive force and the dispersion of ground plane pressure, this has become the important techniques problem.That is to say, if increase the plane of shear area, then can be better to the aspect that is absorbed in soft area, thereby, can realize the raising of tractive force easily, still, if the plane of shear area is excessive, then become high ground plane pressure, certainly will cause being easy to be absorbed in the problem generation in soft area owing to ground contact area diminishes.On the other hand, can be easy to be grounded the decentralized of surface pressure though increase ground contact area,, if ground contact area is excessive, then understand deterioration to the aspect that is absorbed in soft area, cause producing the problem that can not guarantee necessary tractive force.Like this, exist the raising of tractive force and the decentralized self-contradictory relation of ground plane pressure, in any case, how the balance both sides to improve the crossing ability in soft area all be very important.
Given this present invention proposes, and its objective is provides a kind of ladder shape caterpillar with good soft area crossing ability.
The present inventor is at balance traction power and ground plane pressure and improve and scrutinize aspect the crossing ability in soft area.In this process, the ground state of the ladder shape caterpillar when observation is travelled, what be conceived under steam to give big tractive force to ladder shape caterpillar is the side part (H among Figure 12, Figure 13) that lands earlier of the crawler belt working direction of the crawler belt wing grooving recess that forms between the projection, the part of giving big ground plane pressure to ladder shape caterpillar be the crawler belt wing grooving recess that forms between the projection the crawler belt working direction after side part (J among Figure 12, Figure 13) this point that lands.So the result who the grooving recess of the crawler belt wing is carried out various discussion is, if corresponding crawler belt working direction is placed the non-symmetrical grooving recess of given size, then can balance traction power and ground plane pressure, improve the crossing ability in soft area significantly, so far, finished the present invention.
That is to say that ladder shape caterpillar of the present invention comprises: the crawler belt body made from the elastomeric material of endless belt-shaped formation; Form and have alternately to arrange in the ground plane side of described crawler belt body and have towards the projection of the distolateral extendible portion of bandwidth direction one and the group of bumps of the formed projection pattern of projection of this extendible portion not along the strip length direction; And above-mentioned crawler belt body corresponding to the bandwidth direction scope of the extendible portion of above-mentioned projection in the integrally formed crawler belt wing, it is characterized in that, bandwidth direction one end margin at the above-mentioned crawler belt wing, be formed with the grooving recess of the asymmetrical shape of a plurality of deflection strip length direction one sides, the grooving recess handle of this asymmetrical shape links together between the projection that is formed with extension side end and adjacency on the same direction, and satisfies following mathematical expression (1) and mathematical expression (2):
(2P-L)/10＜A＜(2P-L)/2 …(1)
In the formula (1), A be the center of deepest part of grooving recess of the crawler belt wing to the distance of projection center, P is the distance between the projection center of adjacency, L is the length that projection extends the Width of side end;
(2P-L)/10＜F＜(2P-L)/2 …(2)
In the formula (2), F is the degree of depth of lug surface to the center, deepest part of crawler belt wing grooving recess, and P is the distance between the center of projection of adjacency, and L is the length that projection extends the Width of side end.
Ladder shape caterpillar according to above-mentioned formation, because the grooving recess of the crawler belt wing between the projection that will extend along same direction forms with the asymmetrical shape of given size, so, can be grounded the decentralized of surface pressure with the shape that delays of this grooving recess, with the abrupt shape raising tractive force of above-mentioned grooving recess.As a result, balance ground plane pressure and tractive force more to heavens.Thereby, compare with ladder shape caterpillar in the past, have very high soft area crossing ability.
In above-mentioned ladder shape caterpillar, can also adopt such formation: the grooving recess of each asymmetrical shape of the above-mentioned crawler belt wing on the strip length direction with identical towards arrangement.In this case, since the grooving recess of the crawler belt wing between the projection that extends along same direction in the strip length direction with identical towards arranging, so, the side that lands earlier of crawler belt working direction partly can be made and delay shape, with after the side that lands partly make abrupt shape.Therefore, the available shape that delays that lands the side part earlier is grounded the decentralized of surface pressure, and the abrupt shape of the side that lands after using part realizes the raising of tractive force.As a result, balance ground plane pressure and tractive force more to heavens.Therefore, compare, have the crossing ability in very high soft area with ladder shape caterpillar in the past.
In such ladder shape caterpillar, can also constitute: the grooving recess of the above-mentioned crawler belt wing forms in the both sides of bandwidth direction, and the grooving recess of the above-mentioned crawler belt wing is in the one-sided formation of bandwidth direction.
In addition, in above-mentioned ladder shape caterpillar, can also constitute:, alternately be arranged with the grooving recess of the asymmetrical shape of being partial to strip length direction one side and the grooving recess of the asymmetrical shape of its opposition side of deflection in the strip length direction in the one-sided or both sides of bandwidth direction of above-mentioned crawler belt body.In this case, the grooving recess of the crawler belt wing between the projection that will extend along same direction forms with the asymmetrical shape of given size, on the strip length direction, alternately arrange the grooving recess of the asymmetrical shape of being partial to strip length direction one side and be partial to the grooving recess of the asymmetrical shape of its opposition side, so, no matter be at unidirectional or beidirectional advance (advance, retreat), balance traction power and ground plane pressure have improved the crossing ability in soft area more to heavens.
Further, in above-mentioned ladder shape caterpillar, can also constitute: in a side of the bandwidth direction of above-mentioned crawler belt body, along the strip length direction with identical towards the grooving recess that is arranged with each asymmetrical shape, at the opposite side of the bandwidth direction of above-mentioned crawler belt body, with opposite with the grooving recess of an above-mentioned side towards the grooving recess that is arranged with each asymmetrical shape.In this case, because the grooving recess of the crawler belt wing between the projection that same direction is extended forms with the asymmetrical shape of given size, side in the bandwidth direction of above-mentioned crawler belt body, along the strip length direction with identical towards the grooving recess that is arranged with each asymmetrical shape, opposite side in the bandwidth direction of above-mentioned crawler belt body, with opposite with the grooving recess of an above-mentioned side towards the grooving recess that is arranged with each asymmetrical shape, so, no matter be to advance at unidirectional or beidirectional (to advance, retreat), balance traction power and ground plane pressure improve the crossing ability in soft area better.
The invention effect
According to the present invention owing on the crawler belt wing, be formed with the non-symmetrical grooving recess of setting with specific dimensions, so, can provide a kind of balance ground plane pressure and tractive force, the good ladder shape caterpillar of soft area crossing ability.
Description of drawings
Fig. 1 is the outer circumferential side planar view of the ladder shape caterpillar of expression first embodiment of the invention.
Fig. 2 is the X-X section drawing of ladder shape caterpillar shown in Figure 1.
Fig. 3 is the outer circumferential side planar view of the ladder shape caterpillar of expression second embodiment of the invention.
Fig. 4 is the outer circumferential side planar view of the ladder shape caterpillar of expression third embodiment of the invention.
Fig. 5 is the outer circumferential side planar view of the ladder shape caterpillar of expression four embodiment of the invention.
Fig. 6 is the outer circumferential side planar view of the ladder shape caterpillar of expression fifth embodiment of the invention.
Fig. 7 is the outer circumferential side planar view of expression ladder shape caterpillar variation of the present invention.
Fig. 8 is the outer circumferential side planar view of expression ladder shape caterpillar variation of the present invention.
Fig. 9 is the outer circumferential side planar view of expression ladder shape caterpillar variation of the present invention.
Figure 10 is the outer circumferential side planar view of expression ladder shape caterpillar variation of the present invention.
Figure 11 is the outer circumferential side planar view of expression ladder shape caterpillar variation of the present invention.
Figure 12 is an outer circumferential side planar view of representing an example of ladder shape caterpillar in the past.
Figure 13 is an outer circumferential side planar view of representing another example of ladder shape caterpillar in the past.
The specific embodiment
Below, the preferred forms that present invention will be described in detail with reference to the accompanying.
First embodiment
Fig. 1 is the outer circumferential side planar view of the ladder shape caterpillar of expression first embodiment of the invention, and Fig. 2 is its X-X section drawing.The ladder shape caterpillar K1 of present embodiment is the crawler belt that uses on the runner of the volume drive wheel, flower wheel etc. that hang over crawler type running devices such as field machine or construction machinery and equipment, and its formation comprises: endless belt-shaped crawler belt body 11; Be embedded in crawler belt body 11 in-to-in axles 12 and tension element 14; Be darted at projection 13a, the 13b of the tractive force generation usefulness on the ground plane side (outer peripheral face side) of this crawler belt body 11 integratedly; And the crawler belt wing 15 that is formed on the bandwidth direction both sides of crawler belt body 11.
Consider low noise, take that comfort sense is good, the degree aspect of road surface protectiveness etc., crawler belt body 11 has used rubber-like rubber, synthetic resin elastomeric material and with endless belt-shaped formation.And,, be embedded with many radical centers rod 12 in the inside of crawler belt body 11 for the intensity and the ground connection of improving ladder shape caterpillar K1 is supportive.In detail, many radical centers rod 12 is for example formed by rigid material such as metal, reinforcement synthetic resin and has the bar-shaped of jut at middle body.Equally spaced bury each axle 12 side by side underground in strip length direction (ladder shape caterpillar K1's is circumferential).In addition, lower side (ground plane side) at each axle 12, along the strip length direction of crawler belt body 11, separate predetermined distance in the bandwidth direction and be embedded with the tension element of forming by many steel wires etc. 14 side by side, with the stretching resistance of the strip length direction that improves relative ladder shape caterpillar K1.
At the outer circumferential side (ground plane side) of crawler belt body 11, be equipped with a plurality of side by side and integratedly in the strip length direction along tortuous projection 13a, the 13b that extends of bandwidth direction.In detail, each the projection 13a in the group of bumps extends to form circuitously in bandwidth direction one distolateral (left side of Fig. 1), and each projection 13b extends to form circuitously in bandwidth direction another distolateral (right side of Fig. 1).And, on each projection 13a, 13b, all be formed with projection grooving recess 31 singly in substantial middle separately.In addition, consider the improvement of outward appearance and the discharge of earth etc., towards the length direction sloped-end of projection grooving recess 31 or projection 13a, 13b and complications are formed extended at both sides.And each projection 13a and each projection 13b form in the following manner, along strip length direction alternate configurations, and with identical distance be configured to be positioned at many radical centers rod 12 under.
In the bandwidth direction both sides of crawler belt body 11, in bandwidth direction scope, be formed with the crawler belt wing 15 corresponding to the extendible portion of each projection 13a, 13b.At bandwidth direction one end margin (left side of Fig. 1) of this crawler belt wing 15, the grooving recess 15a of each other and the regulation shape that cut towards non-ground plane side of the extension side end 23a that is formed with the projection 13a that connects adjacency.On the other hand, at the other end edge (right side of Fig. 1) of the bandwidth direction of the crawler belt wing 15, the grooving recess 15a of each other and the regulation shape that cut towards non-ground plane side of the extension side end 23b that is formed with the projection 13b that connects adjacency.
And, the grooving recess 15a of the crawler belt wing 15 forms in the following manner: following mathematical expression (1) is satisfied to the distance A of the strip length direction of projection center in the center that makes its deepest part (part of approaching non-ground plane side), simultaneously, following mathematical expression (2) is satisfied to the degree of depth F of lug surface in the center that makes its deepest part (part of approaching non-ground plane side).In addition, in two mathematical expressions, P is the centre distance between the projection of adjacency.L is the length that projection extends the Width of side end.
(2P-L)/10＜A＜(2P-L)/2 …(1)
(2P-L)/10＜F＜(2P-L)/2 …(2)
That is to say, the crawler belt wing 15 in abutting connection with the grooving recess 15a between projection 13a, the 13a or between projection 13b, the 13b therein the heart do not become the shape of symmetry, but the asymmetrical shape of deflection strip length direction one side's given size.
In addition, make above-mentioned non-symmetrical grooving recess 15a be positioned at position corresponding to the working direction of crawler belt.In detail, on arbitrary crawler belt wing 15 of the bandwidth direction both sides of crawler belt body 11, each grooving recess 15a is arranged on such position: the side part H that lands earlier of its crawler belt direct of travel (towards the top of Fig. 1) is the shape that delays, and the side that lands thereafter part J is an abrupt shape.Whereby, the side that lands earlier part H than after the land ground contact area of side part J big, can be grounded the decentralized of surface pressure, in addition since after the side part J that lands be abrupt shape, so, can realize the raising of tractive force.
The ladder shape caterpillar K1 of the present embodiment of above-mentioned such formation, since between the projection 13a, the 13a that extend along same direction or the grooving recess 15a of the crawler belt wing 15 between projection 13b, the 13b make the asymmetrical shape of given size, simultaneously, this non-symmetrical grooving recess 15a is positioned at and the cooresponding position of crawler belt direct of travel, therefore, more to heavens balance tractive force and ground plane pressure, can bring into play the crossing ability in good soft area.More at large say, when travelling in soft area,, make to being absorbed in of soft area functionally, can obtain big tractive force by means of the abrupt shape of the side part J that lands after being positioned at of grooving recess 15a.On the other hand,, increased ground contact area, can be grounded the decentralized of surface pressure towards soft area by means of land the earlier shape that delays of side part H of being positioned at of grooving recess 15a.That is to say, bear the diversification function of ground plane pressure by the side part H that lands earlier of grooving recess 15a, the side part that lands behind grooving recess 15a J bears the function that tractive force improves, so, compare with ladder shape caterpillar in the past, more to heavens balance tractive force and ground plane pressure, the result can bring into play the crossing ability in good soft area.In addition, the ladder shape caterpillar K1 of present embodiment is sheer face so being absorbed in property is good especially, to have the good especially advantage of rotatory or craspedodrome owing to the side part J that lands behind the grooving recess 15a is whole.And, because of grooving recess 15a can reduce the use amount of rubber, thereby, such advantage also had:, optimized the performance of low fuel consumption along with the reduction of lightweight or bending stiffness.
Second embodiment
Fig. 3 is the outer circumferential side planar view of the ladder shape caterpillar of expression second embodiment of the invention.The ladder shape caterpillar K2 of present embodiment compares with first embodiment, and its difference is, only forms the asymmetric grooving recess 15a that satisfies above-mentioned mathematical expression (1) and mathematical expression (2) on the bandwidth direction is one-sided.In detail, only go up the asymmetric grooving recess 15a that forms given size in bandwidth direction one-sided (left side of Fig. 3), and form in the following manner: the shape of the side part H that lands earlier of this grooving recess 15a is made delayed shape, thereafter the shape of the side part J that lands is made abrupt shape, and the ground contact area that makes the side part H that lands earlier greater than after the land ground contact area of side part J.Such formation is identical with first embodiment, compare with ladder shape caterpillar in the past, more to heavens balance tractive force and ground plane pressure, can bring into play good soft area crossing ability.In addition, because the ladder shape caterpillar K2 of present embodiment only forms asymmetric grooving recess 15a on the bandwidth direction is one-sided, so, very favourable to reducing the manufacturing cost aspect.
The 3rd embodiment
Fig. 4 is the outer circumferential side planar view of the ladder shape caterpillar of expression third embodiment of the invention.The ladder shape caterpillar K3 of present embodiment and comparing of first embodiment, its difference are, projection 13c that extends along the oriented bandwidth direction of strip length direction alternate configurations both sides and the projection 13d that does not extend towards bandwidth direction both sides.Thereby, the crawler belt wing 15 at the bandwidth direction both sides between the projection 13c of adjacency forms the asymmetric grooving recess 15a that satisfies above-mentioned mathematical expression (1) and mathematical expression (2), simultaneously, being shaped as of side part H that land earlier of this grooving recess 15a delays shape, thereafter the side that lands part J is shaped as abrupt shape, and the ground contact area of the side part H that lands earlier greater than after the land ground contact area of side part J.Adopt such formation, identical with first embodiment, compare with ladder shape caterpillar in the past, balance traction power and ground plane pressure more to heavens, thus can bring into play good soft area crossing ability.
The 4th embodiment
Fig. 5 is the outer circumferential side planar view of the ladder shape caterpillar of expression four embodiment of the invention.The ladder shape caterpillar K4 of present embodiment and comparing of first embodiment, its difference be, along strip length direction checker dispose the asymmetric grooving recess 15a that satisfies above-mentioned mathematical expression (1) and mathematical expression (2).Specifically, on bandwidth direction one-sided (right side of Fig. 5), at the side part H1 that lands earlier of the crawler belt working direction (upside of Fig. 5) of grooving recess 15a is to delay shape, the land asymmetric grooving recess 15a that is shaped as abrupt shape of side part J1 thereafter, the non-symmetrical grooving recess 15a of adjacency on the strip length direction is made such structure, make its side part H that lands earlier become abrupt shape, thereafter the side that lands part J2 becomes and delays shape, and, make on the strip length direction non-symmetrical grooving recess 15a of adjacency be differ from one another towards.In addition, form asymmetric grooving recess 15a similarly at its bandwidth direction opposition side (left side of Fig. 5).Adopt such formation, identical with first embodiment, compare with ladder shape caterpillar in the past, more to heavens balance tractive force and ground plane pressure, can bring into play good soft area crossing ability.In addition, the ladder shape caterpillar K4 of present embodiment because also any side of bandwidth direction both sides along the strip length direction with difference towards mode form asymmetric grooving recess 15a, so, both direction (above-below direction of Fig. 5) advances relatively, the crossing ability in soft area does not have big difference, in addition, the advantage that also has no installation direction.
Moreover, in the above-described 4th embodiment, although understand as group of bumps, make the projection that adjoins each other in the strip length direction alternately towards the situation of the different single-ended extensions of bandwidth direction, but, undoubtedly, alternately disposing under the situation of the group of bumps of the projection of projection that bandwidth direction both end sides is extended and non-extension, also have same effect and effect.
The 5th embodiment
Fig. 6 is the outer circumferential side planar view of the ladder shape caterpillar of expression fifth embodiment of the invention.The ladder shape caterpillar K5 of present embodiment and comparing of first embodiment, its difference be, distolateral distolateral with another in the bandwidth direction forms the different asymmetric grooving recess 15a that satisfies above-mentioned mathematical expression (1) and mathematical expression (2).In detail, one distolateral (left side of Fig. 6) in the bandwidth direction, be formed with asymmetric grooving recess 15a side by side along the strip length direction, being shaped as of side part H3 that land earlier of the crawler belt working direction (upside of Fig. 6) of this grooving recess 15a delays shape, and the side that lands thereafter part J3 is shaped as abrupt shape; On bandwidth direction another distolateral (right side of Fig. 6), be formed with asymmetric grooving recess 15a side by side along the strip length direction, the abrupt shape that is shaped as of the side part H4 that lands earlier of the crawler belt working direction of this grooving recess 15a, after being shaped as of side part J4 that land delay shape.Adopt such formation, identical with first embodiment, balance tractive force and ground plane pressure, can bring into play good soft area crossing ability.In addition, in the present embodiment, owing to dispose different asymmetric grooving recess 15a in bandwidth direction both sides, so at advancing of two-way (above-below direction of Fig. 6), the crossing ability in soft area does not have big difference, and, have the advantage of no installation direction.Compare with the 4th embodiment, because at the same asymmetric grooving recess 15a of the one-sided formation of bandwidth direction, so, be easy to the advantage of making in addition.
In addition, in the above-described 5th embodiment, although understand as group of bumps, make the projection that adjoins each other in the strip length direction alternately towards the situation of the different single-ended extensions of bandwidth direction, but, undoubtedly, alternately disposing under the situation of the group of bumps of the projection of projection that bandwidth direction both end sides is extended and non-extension, also have same effect and effect.
The present invention is not limited to the respective embodiments described above.Certainly, for example can also be, as Fig. 7～shown in Figure 11, projection 13a, 13b, 13c, 13d are formed with a linearity.In addition, in the scope of the object of the invention, can also make suitable change to the shape of the crawler belt wing.Further, can also on the crawler belt body, form sprocket hole, suitably change the shape of axle or have or not, the material of tension element etc., can also bury fortifying fibre etc. underground in the inside of crawler belt body.
Claims (6)
1. ladder shape caterpillar comprises: the crawler belt body made from the elastomeric material of endless belt-shaped formation; Integrally formed and have alternately to arrange and have in the ground plane side of described crawler belt body towards the projection of the distolateral extendible portion of bandwidth direction one and the group of bumps of the formed projection pattern of projection of this extendible portion not in the strip length direction; And described crawler belt body corresponding to the bandwidth direction scope of the extendible portion of described projection in the integrally formed crawler belt wing, it is characterized in that,
Bandwidth direction one end margin at the described crawler belt wing, be formed with the grooving recess of the asymmetrical shape of a plurality of deflection strip length direction one sides, the grooving recess handle of this asymmetrical shape links together between the projection that is formed with extension side end and adjacency on the same direction, and satisfies following mathematical expression (1) and mathematical expression (2):
(2P-L)/10＜A＜(2P-L)/2 …(1)
In the formula (1), A be the center of deepest part of grooving recess of the crawler belt wing to the distance of projection center, P is the distance between the projection center of adjacency, L is the length that projection extends the Width of side end;
(2P-L)/10＜F＜(2P-L)/2 …(2)
In the formula (2), F is the degree of depth of lug surface to the center, deepest part of crawler belt wing grooving recess, and P is the distance between the center of projection of adjacency, and L is the length that projection extends the Width of side end.
2. according to the ladder shape caterpillar of claim 1 record, it is characterized in that, the grooving recess of each asymmetrical shape of the described crawler belt wing on the strip length direction with identical towards arrangement.
3. according to the ladder shape caterpillar of claim 2 record, it is characterized in that the grooving recess of each asymmetrical shape of the described crawler belt wing forms in the both sides of bandwidth direction.
4. according to the ladder shape caterpillar of claim 2 record, it is characterized in that the grooving recess of each asymmetrical shape of the described crawler belt wing is in the one-sided formation of bandwidth direction.
5. according to the ladder shape caterpillar of claim 1 record, it is characterized in that, in the one-sided or both sides of bandwidth direction of described crawler belt body, alternately be arranged with the grooving recess of the asymmetrical shape of being partial to strip length direction one side and the grooving recess of the asymmetrical shape of its opposition side of deflection in the strip length direction.
6. according to the ladder shape caterpillar of claim 1 record, it is characterized in that, side in the bandwidth direction of described crawler belt body, in the strip length direction with identical towards the grooving recess that is arranged with each asymmetrical shape, at the opposite side of the bandwidth direction of described crawler belt body, with opposite with the grooving recess of a described side towards the grooving recess that is arranged with each asymmetrical shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004082746A JP3883129B2 (en) | 2004-03-22 | 2004-03-22 | Ladder-type crawler |
| JP2004082746 | 2004-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1673017A true CN1673017A (en) | 2005-09-28 |
| CN100340447C CN100340447C (en) | 2007-10-03 |
Family
ID=35045854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100557957A Expired - Fee Related CN100340447C (en) | 2004-03-22 | 2005-03-21 | Ladder shape caterpillar |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3883129B2 (en) |
| KR (1) | KR100589933B1 (en) |
| CN (1) | CN100340447C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849136A (en) * | 2012-09-05 | 2013-01-02 | 环球履带（扬州）有限公司 | Rubber crawler |
| CN107750220A (en) * | 2015-07-16 | 2018-03-02 | 东胶带株式会社 | Rubber belt track |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347775B (en) * | 2010-11-25 | 2016-01-20 | 株式会社普利司通 | Rubber belt track |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3354684B2 (en) * | 1994-02-02 | 2002-12-09 | オーツタイヤ株式会社 | Crawler elastic track |
| JPH08150969A (en) * | 1994-11-29 | 1996-06-11 | Ohtsu Tire & Rubber Co Ltd :The | Elastic crawler |
| AU721323B2 (en) * | 1995-05-12 | 2000-06-29 | Fukuyama Rubber Ind. Co. Ltd | Linkage type rubber crawler and metallic core therefor |
| JP3636785B2 (en) * | 1995-08-29 | 2005-04-06 | 株式会社ブリヂストン | Ladder type crawler |
| JPH09109951A (en) * | 1995-10-23 | 1997-04-28 | Bridgestone Corp | Elastic crawler belt |
| CN2383744Y (en) * | 1999-06-15 | 2000-06-21 | 杭州橡胶(集团)公司永固橡胶厂 | Rubber caterpillar for machinery |
-
2004
- 2004-03-22 JP JP2004082746A patent/JP3883129B2/en not_active Expired - Fee Related
-
2005
- 2005-03-21 KR KR1020050023360A patent/KR100589933B1/en not_active IP Right Cessation
- 2005-03-21 CN CNB2005100557957A patent/CN100340447C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849136A (en) * | 2012-09-05 | 2013-01-02 | 环球履带（扬州）有限公司 | Rubber crawler |
| CN102849136B (en) * | 2012-09-05 | 2015-07-01 | 环球履带（扬州）有限公司 | Rubber crawler |
| CN107750220A (en) * | 2015-07-16 | 2018-03-02 | 东胶带株式会社 | Rubber belt track |
| CN107750220B (en) * | 2015-07-16 | 2020-06-02 | 东一胶带株式会社 | Rubber track |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060045344A (en) | 2006-05-17 |
| KR100589933B1 (en) | 2006-06-19 |
| JP3883129B2 (en) | 2007-02-21 |
| CN100340447C (en) | 2007-10-03 |
| JP2005263160A (en) | 2005-09-29 |
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