초록 ▼

A structure for standardizing at least one kind of part of an endless track so that parts can be used for the same size of construction vehicles of a plurality of construction vehicle makers, wherein (a) when the part is a link belt, each of a configuration and a dimension of each link, the pin and

A structure for standardizing at least one kind of part of an endless track so that parts can be used for the same size of construction vehicles of a plurality of construction vehicle makers, wherein (a) when the part is a link belt, each of a configuration and a dimension of each link, the pin and the bushing is unified over the same size of construction vehicles of a plurality of construction vehicle makers, and (b) when the part is a shoe including four coupling holes, each of a position, a configuration and a size of the four coupling holes is unified over the same size of construction vehicles of the plurality of construction vehicle makers.

대표청구항 ▼

1. A structure for standardizing at least one part of an endless track so that said part can be used for a same size of construction vehicles having different structural specifications of a plurality of construction vehicle makers, said at least one part including at least one of (a) a link belt inc

1. A structure for standardizing at least one part of an endless track so that said part can be used for a same size of construction vehicles having different structural specifications of a plurality of construction vehicle makers, said at least one part including at least one of (a) a link belt including a pair of links, and a pin and a bushing for coupling adjacent pairs of links, and (b) a shoe coupled to each pair of links of said link belt, wherein except a length of said pin, a length of said bushing, at least one of an inside span and an outside span between said pair of links, and a diameter and a position of a shoe bolt hole formed in said pair of links, (a) when said at least one part is a link belt, each of a configuration and a dimension in an extending direction of said endless track and two directions perpendicular to said extending direction of said endless track, of each link of said pair of links, said pin and said bushing is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers, and(b) when said at least one part is a shoe including four coupling holes for coupling said shoe to said pair of links of said link belt, each of a position, a configuration and a size of said four coupling holes is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers.2. A structure for standardizing at least one part of an endless track so that said part can be used for the same size of construction vehicles having different structural specifications of a plurality of construction vehicle makers, said at least one part including a pair of links, and a pin and a bushing for coupling adjacent pairs of links, wherein except a length of said pin, a length of said bushing, and at least one of an inside span and an outside span between said pair of links, each of a configuration and a dimension in an extending direction of said endless track and two directions perpendicular to said extending direction of said endless track, of each link of said pair of links, said pin and said bushing is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers. 3. A structure for standardizing at least one part of an endless track so that said part can be used for the same size of construction vehicles having different structural specifications of a plurality of construction vehicle makers, said at least one part including a shoe coupled to each pair of links of a link belt, said shoe including four coupling holes for coupling said shoe to said pair of links of said link belt, wherein each of a position, a configuration and a size of said four coupling holes is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers. 4. A structure according to any one of claim 1 andclaim 2, wherein with respect to said pin, each of a diameter, a material and a heat treatment specification of said pin is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers, and a length of said pin is varied between said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers.5. A structure according to any one of claim 1 andclaim 2, wherein with respect to said bushing, each of an outside diameter, an inside diameter, a material and a heat treatment specification of said bushing is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers, and a length of said bushing is varied between said same size of construction vehicles having different structural specifications of said plura lity of construction vehicle makers.6. A structure according to any one of claim 1 andclaim 2, wherein with respect to said link of said pair of links having a pin hole, a bushing hole and a shoe bolt hole, each of a configuration of said link, a diameter of said pin hole, a diameter of said bushing hole, a pitch of said pin hole, a pitch of said bushing hole, a material and a heat treatment specification of said link is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers, and a diameter of said shoe bolt hole, a pitch of said shoe bolt hole and at least one of an inside span and an outside span between said pair of links are varied between said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers.7. A structure according to any one of claim 1 andclaim 3, wherein with respect to said shoe, by making a shape of each of said four coupling holes non-circular, each of said position, said shape and said size of each of said four coupling holes is unified over said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers, and a cross-sectional shape of said shoe, a thickness of a flat plate portion of said shoe, a length of said shoe, and a material and a heat treatment specification of said shoe are varied between said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers.8. A structure according to claim 7, wherein said shape of each of said four coupling holes is non-circular and is, in size, equal to or greater than an elongated circle that envelopes circles projected onto said shoe, of shoe bolt holes of said links of said same size of construction vehicles having different structural specifications of said plurality of construction vehicle makers.9. A structure according to claim 7, wherein said shape of each of said four coupling holes includes an elongated circle.10. A structure according to claim 7, wherein said shape of each of said four coupling holes includes an elongated circle having a major axis inclined from said extending direction of said endless track.