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
  • B62D55/253—Tracks of continuously flexible type, e.g. rubber belts having elements interconnected by one or more cables or like elements
• • 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
  • B62D55/244—Moulded in one piece, with either smooth surfaces or surfaces having projections, e.g. incorporating reinforcing elements

Definitions

• the present invention is directed to a rubber crawler mounted around a foot of a mobile work machine.
• FIG. 9 shows the portion of the conventional rubber roller 16 wound on the idler wheel 19, wherein 11 is a core, and 12, 13, and 14 are cores 0 1
• Reference numeral 1 denotes a wing, a protrusion for preventing wheel removal, and engagement with a driving wheel.
• Reference numeral 17 denotes a steel code
• reference numeral 18 denotes a grandchild hole
• reference numeral 19c denotes a ⁇ of the idler wheel 19.
• the central wheel part 19c advances between the protrusions 13 and 13 to prevent wheel loss.
• Fig. 10 shows the state of de-wheeling, in which a side slip occurs between the adjacent mandrel 11 and 11 so that the ⁇ central wheel part 19c of the idler wheel 19 rides on the protrusion 13 It turns off and it turns out to be black 0-off 20.
• An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to prevent a rubber crawler from causing a local lateral displacement, thereby preventing wheel derailment and preventing a ⁇ -separation.
• FIG. 11 to FIG. 8 reference numerals in FIG. 11 to FIG. 8 are referred to in order to facilitate understanding of the contents.
• the form of the eleven surfaces is merely an example.
• the core metal for rubber opening of the invention is a core metal 1 having an engaging portion 3 in the longitudinal direction * center, as described in claim 1, At least one of the two sides of the grandchild section 3 in each case is provided with horizontal projections 5 projecting in a direction perpendicular to the side surface of the metal core.
• the bottom surface side of the grandchildren 3 and its rain side be made thick so that the horizontal protrusions 5 are positioned on the bottom side as much as possible (claim 2).
• this rubber-roller core metal is provided as long as the horizontal projections 5 are provided on at least one of the two sides of the grandchild 3 on each of both widthwise side surfaces of the core metal 1. It's good, Songo For example, as shown in FIG. 1 (claim 3), horizontal protrusions 5 are provided one by one on both sides of the portion 3 (claim 3). For example, even if one horizontal projection 5 is provided only on one of both sides, as shown in FIG. 7 (Claim 4 of the claims), ⁇ is good. Each of the horizontal protrusions on both sides is preferably arranged symmetrically as described in the claims.
• the rubber crawler core is not limited to the above-mentioned one, but one water ring 0 protrusion 5 is provided on one of both sides of the engaging portion on each of both side surfaces in the width direction, and two horizontal protrusions are provided on the other side.
• the projections 5, 5 may be provided in pairs, for example, as shown in FIG. 5 (Claim 6).
• the protrusion 5 is described in Claim 7. As described above, it is better to arrange the horizontal protrusions on both sides in the width direction of the core metal * in a symmetrical manner, and to engage with one of the five sides on both sides in the width direction of the core metal.
• One horizontal protrusion 5 is provided on one side of the city 3 and the core metal is: $: Two horizontal protrusions 5 and 5 on the other of the both sides in the width direction of the body and on one side of the engaging portion 3. Are provided in pairs, and both are located on the same line along the width direction of the cored bar body (Claim 8) It may form.
• each hook portion 5f is extended in the same direction to form, for example, as shown in FIG. 6B.
• they may be extended so as to face each other, for example, as shown in FIG. 6A (Claim 10).
• the rubber crawler of the wood invention is a rubber crawler formed as described above.
• Crawler cores are to be buried at equal intervals in the circumferential direction of the body of the crawler.
• the burial intervals of the cores 1 are determined by looking at the hunting direction of the cores 1
• the horizontal projections 5 are overlapped as shown in FIG. 3, and the horizontal projections 5 are embedded in the body of the vehicle (claim 11).
• the rubber crawler core of the rubber crawler is embedded so that the horizontal protrusion 5 is located near the depth of the steel code 17 layer, as described in claim 12.
• the horizontal protrusion 5 may be located on the inner peripheral side of the steel cord 1 ⁇ ⁇ as described in claim 13 or may be located on the outer peripheral side of the steel cord 5. You may.
• the horizontal protrusions 5 are close to the depth of the steel code 17 layer, even when the rubber crawlers are curved inward or outward, the horizontal protrusions 5 may be formed. Will maintain the preferred overlapping dimensions and will not hinder running or work.
• the rubber roller according to the present invention may have a structure in which cores for rubber holes having the same shape are continuously arranged or may have two types of different shapes.
• the core metal for rubber crawler may be arranged alternately as shown in FIG.
• the material described in claim 10 is used as the core metal for the rubber crawler, and the overlapped horizontal protrusions 5 are used.
• the two hooks 5 f ′ may be joined to each other so that the separation of the core bar 1 in the width direction is prevented. 5).
• FIG. 1 is a perspective view of a first embodiment of a core metal according to the invention
• FIGS. 2A, 2B, and 2C are bottom views, a width direction and a length direction of the core metal of the first embodiment, respectively.
• Fig. D is an enlarged view of the circle a in Fig. A.
• Figs. 3A and 3B are a plan view and a side view, respectively, of the rubber crawler with the core metal embedded in the first embodiment.
• FIGS. 4A and 4B are diagrams for explaining the overlapping intervals of the horizontal protrusion rests in a curved city
• FIGS. 5A and 5B are second and third embodiments of a cored bar according to the present invention, respectively.
• FIGS. 6A, 6B, and 6C are views showing the west, fifth, and sixth embodiments of the core metal according to the present invention, respectively.
• FIGS. 7 and 08 are all drawings of the present invention.
• FIG. 9 is a view showing still another embodiment of the core metal according to the present invention, and
• FIG. 9 and FIG. 10 show a conventional example.
• 1 is a metal core
• 2 is a projection for preventing derailing
• 3 is a child with a driving wheel
• 4 is a wing part
• 5 is a horizontal projection.As shown in the figure, ice flats are provided on both sides of the The starting bodies 5, 5 ⁇ ⁇ ⁇ are protruded in the width direction of the cored bar.
• the positional relationship between the horizontal protrusions 5 provided on both sides in the core metal width direction is as shown in A and D in FIG. 2, respectively.
• the imaginary positions 5 ', 5' hidden by the two-point line and the horizontal protrusions 5, 5 on the side S ' are arranged to be exactly symmetrical (symmetrical to the center of the metal core).
• the engagement portion 3 and the bottom sides on both sides thereof are made thick so that the horizontal projection 5 is positioned on the bottom side as much as possible.
• the cored bar 1 thus constructed is embedded in a rubber roller as shown in FIG. 3A.
• the opposing horizontal protrusions 5, Reference numeral 5 indicates that the core metal 1 overlaps when viewed in the width direction, and the overlapping dimension d is set so as not to hinder the Ml rotation of the rubber crawler. Even if an external force in the width direction is applied between the metal cores in the rubber crawler thus configured, the horizontal projections 5 and 5 do not collide with each other and cause a lateral displacement exceeding a certain value. Ice flats 5 and 5 are provided beside Songo 3 and do not overlap with the buried area of 7 layers of steel code. However, since the horizontal projection 5 is located on the bottom side as much as possible as shown in Fig. B, it is located at an embedded position close to the seven layers of steel code, so that the rubber track is bent inward or outward. Even in this case, there is no significant variation in the overlapping dimension d of the horizontal projections 5 and ⁇ .
• FIG. 4A shows a state in which the inner peripheral side of the rubber surface of the driving wheel or the idler wheel is curved so that the inner peripheral side becomes 13, and the rubber track at the curved portion U is a stilt code layer.
• the inner peripheral side With the center as the center, the inner peripheral side is compressed and the outer peripheral side is elongated, and the compression ratio increases as the distance from the steel code layer toward the inner peripheral side increases, and The elongation rate increases as the distance from the circumference increases.
• the top surface interval t of the cored bar projection 2 is almost flat at the curved portion U, but since the horizontal projection 5 is close to the steel code layer, the overlap dimension d in a flat city is At the curved portion, it is d 'and only slightly fluctuates.
• the horizontal projections have a suitable overlapping dimension, and the In this figure, the horizontal projections are all on the inner peripheral side of the steel cord layer, but the invention is not limited to this.
• the horizontal protrusion can be located on the outer peripheral side of the steel code layer.
• each of the horizontal protrusions 5 provided on both side surfaces of Sun Yat-Sheng is located at a position that is exactly symmetrical, that is, the horizontal protrusions on both side surfaces. 5 has the same configuration, so that there is no error in the arrangement of the core metal in the production process.
• the horizontal projections do not collide between the cores, but the cores 1a 'and 1a' 1a ", a collision occurs, and no local lateral displacement occurs.
• one horizontal projection 5 is opposed to two The structure is sandwiched between the horizontal projections 5, 5, so that lateral displacement is completely prevented.
• FIGS. 6A, 6B and 6C show fourth, fifth and sixth alternative embodiments of the present invention, respectively.
• the hooks 5 f or the opposite hooks 5 f ′ are provided, and these hooks are hooked to prevent separation of the core metal and separation of the rubber core from the core metal, and improve the durability of the rubber crawler. I do.
• a horizontal projection rest may be provided only on one side of the engaging portion.
• two types of cores 1 g and 1 h may be alternately embedded in the rubber crawler body.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Jib Cranes (AREA)
• Gears, Cams (AREA)
• Soil Working Implements (AREA)
• Road Paving Structures (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=14511156

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (15)

Citations (3)

Family Cites Families (7)

• 1990
  • 1990-10-18 JP JP1990109474U patent/JP2551937Y2/ja not_active Expired - Lifetime
• 1991
  • 1991-10-16 ES ES91917826T patent/ES2087307T3/es not_active Expired - Lifetime
  • 1991-10-16 DE DE69119600T patent/DE69119600T2/de not_active Expired - Lifetime
  • 1991-10-16 EP EP91917826A patent/EP0554454B1/en not_active Expired - Lifetime
  • 1991-10-16 WO PCT/JP1991/001415 patent/WO1992006884A1/ja active IP Right Grant
  • 1991-10-16 US US08/039,089 patent/US5522654A/en not_active Expired - Lifetime
• 1993
  • 1993-04-16 KR KR93701140A patent/KR970009365B1/ko not_active IP Right Cessation

Patent Citations (3)

Non-Patent Citations (1)

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