WO1996000676A1 - Rubber pad - Google Patents
Rubber pad Download PDFInfo
- Publication number
- WO1996000676A1 WO1996000676A1 PCT/JP1995/001294 JP9501294W WO9600676A1 WO 1996000676 A1 WO1996000676 A1 WO 1996000676A1 JP 9501294 W JP9501294 W JP 9501294W WO 9600676 A1 WO9600676 A1 WO 9600676A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- rubber
- hole
- rubber pad
- bolt
- 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.)
- Ceased
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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
- B62D55/26—Ground engaging parts or elements
- B62D55/28—Ground engaging parts or elements detachable
Definitions
- the present invention relates to a rubber bar and a head attached to a metal crawler mounted on a mobile construction machine, a civil engineering work, or the like.
- construction machinery mobile construction machinery
- construction machinery has been used in urban areas and on paved roads. It is frequently used for work, so iron crawler has the disadvantage of damaging the pavement surface.
- FIGS. 1A and 1B illustrate an example of a conventional iron crawler, in which A is a cross-sectional view in the width direction, B is a side view, and in the drawing, 21 is a crawler-lash, 21a is a plate, 21b is an iron lug, 22 is a track link, 23 is a link bin, and R is a wheel.
- a steel pad with a rubber pad detachably attached to the ground side of the steel plate 21a In order to protect the road surface, there is a steel pad with a rubber pad detachably attached to the ground side of the steel plate 21a.
- a rubber pad main body 24a having a substantially rectangular column shape is provided on the grounding surface side of the shroud 21a. Fit the fittings, attach the mounting brackets 24b at both ends, and secure them with bolts 24t.
- Fig. 3 illustrates the above rubber pad.
- a rubber pad 25 embedded with a core bar 25b facing the ungrounded surface of 5a, 25a is shrouded.
- Iron lugs 21b, 21b provided on the grounded surface of plate 21a Insert it between the holes and pass through the holes 21h for discharging earth and sand and the bolt holes 25h of the core bar 25b, and tighten them with the bolts 25t, the patch plates 25t1 and the nuts 25t2.
- the present invention has been made in view of the above-described problems, and has been made so that the iron crawler can be easily attached to and detached from a spring plate so that it can be used in both urban areas and uneven terrain.
- DISCLOSURE OF THE INVENTION The object of the present invention is to provide a rubber pad which can be easily carried out and is prevented from coming off in the event of an unforeseen need while the vehicle is running.
- Two pad members are mated at the connection portion, a wedge-shaped fitting is inserted into the elongated hole, and connected by a bolt member, so that the pad member can be detachably attached to the chassis. .
- a substantially elliptical washer that can be inserted into the hole for discharging the earth and sand of the shroud is used, and the rubber bar and the head are shuffled using the hole for discharging the earth and sand.
- At least a part may be formed in a corrugated bellows, or a substantially M-shaped step, a continuous step groove or a substantially U-shaped projection may be formed at an appropriate interval in the cored bar joint.
- the end of the cored bar joint is bent into an approximately L-shape to form a hook, and the hook is inserted into the hole for discharging the earth and sand from the ground side of the plate, and the hook is inserted.
- the rubber pad of the present invention may be hung on a non-ground surface of the shroud plate.
- the two pad members are shuffled. Since the rubber pad is designed to be tightened with bolts that have been tightened, a wedge-shaped bracket is gradually inserted into the long holes of both cores as the bolt is tightened. As a result, the right and left metal cores slide to the center, and the metal core hooks are engaged with the ends of the plate, so that the rubber pads can be easily tightened.
- the semicircular hooks are engaged with both ends of the plate, there are no protruding parts such as bolts at the ends of the plate. No longer breaks or falls off.
- the rubber pad which is configured to be tightened using a wedge-shaped bracket and an elliptical washer, is used to lock the washer to the non-ground surface side using the earth and sand discharge hole to stop the stopper. -Prevent the bolt from coming off and secure the core to the plate. Therefore, * By tightening the central bolt member, the rubber pad is engaged with both ends of the short plate by the metal core hook and tightened by the bolt member to the center of the spring plate. In rare cases, rubber pads are firmly and easily attached to the show plate at three points.
- the corrugated bellows formed on the mandrel allows the mandrel itself to extend when a wedge-shaped bracket is inserted and tightened with a bolt. To prevent the metal from concentrating and improve the durability of the cored bar, and to cope with the difference in the size of the shot plate. I got it.
- the rubber pad attached to the grounding surface of the iron-made plate having a hole for discharging earth and sand substantially in the center has a length of about 1 to 2 in the longitudinal direction of the plate.
- a metal core is provided with a hook and a long hole, and a protruding piece of a certain length is formed toward the non-ground surface side of the periphery of the long hole, and rubber is adhered to the ground surface side of the former and the latter metal core
- the former core metal and the latter metal core are opposed to each other so that the former metal core is located above the latter metal core at the elongated hole, and a wedge-shaped metal fitting is attached to the overlapped elongated hole from above.
- the wedge-shaped metal fittings of the above-mentioned bolts are frustum-shaped pyramids with flanges, with bolt holes drilled from the upper surface to the lower surface, and the nuts are substantially convex in cross section. , which consists of an elliptical nut-shaped body approximately the same as the mud discharge hole, and a circular head smaller than the nut-shaped body, with a horn-shaped stopper formed on the head. I do.
- the protruding length of the protruding piece is substantially the same as the thickness of the show plate.
- the rubber pad of the present invention has a configuration in which the two pad members are tightened by a bolt member using a wedge-shaped metal fitting and an elliptical nut using a hole for discharging earth and sand substantially at the center of the plate.
- the nut is locked to the shoe plate to prevent the bolt from coming off, and the wedge-shaped bracket is gradually tightened as the bolt is tightened.
- the rubber pad is finally engaged with both ends of the shroud plate by the metal core hook, and the shroud plate is fastened by the bolt member. Tightened to the center, the rubber head is more securely and easily attached to the shroud at three points.
- the semicircular hooks engage with both ends of the shroud, so there is no protruding part such as a bolt at the end of the shroud. Therefore, the rubber pad will not be damaged or fall off due to contact with obstacles such as running.
- the nut having a convex cross section is positioned by inserting the convex portion between the protruding pieces, so that the nut is easily inserted into the mud discharge hole of the shroud. It was to be imported.
- the length of the rubber plate attached to the grounding surface of the iron plate having a hole for discharging sediment approximately in the center of ⁇ is approximately 12 in the longitudinal direction of the plate.
- a left and right cored bar having a hook at one end and a long hole is formed at the other end, and a grounding surface side of the cored bar.
- the left and right cores are opposed to each other with a long hole, and a fastener is inserted from above into the overlapped long hole, and connected by bolts and nuts.
- the part shall be detachably attached using the hole for discharging earth and sand on the shuplet.
- the above-mentioned fastener is formed by bending an iron plate having a bolt hole in the center, and the fastener is bent into a flat shape by tightening the bolt. At least one of the left and right cores may be bent at one end to form a projection.
- At least one of the left and right cores has a wavy groove It is also possible to form a groove and to perform tightening using a gear-shaped tightening fitting that fits into the step groove.
- the rubber pad of the present invention is a rubber pad having a configuration in which the two pad members are tightened with bolts and nuts using fasteners by using the hole for discharging the earth and sand substantially at the center of the plate. As the bolts are tightened, the fasteners slide the left and right cores to the center, and the core ⁇ is securely and firmly engaged with the end of the shower plate.
- the fasteners obtained by bending the iron plate and the gear-like fasteners are securely tightened with a small force, making it easy for anyone to install them. Since it is inserted into the long hole, it does not protrude to the ground side, and there is no risk of coming off or being damaged by contact with obstacles on the road surface during traveling.
- the present invention can be easily attached to a metal crawler mounted on a mobile construction machine or a earthen work site, and does not come off when the vehicle is running while it is not desired.
- metal crawlers can be used safely both in urban areas and on uneven terrain, and only damaged parts can be replaced. It is excellent.
- FIG. 1 illustrates an example of a conventional iron crawler, where A is a sectional view and B is a side view.
- Fig. 2 is a perspective view U showing a conventional rubber pad.
- FIG. 3 is a perspective view showing a rubber pad previously proposed by the present inventor.
- FIG. 4 shows an embodiment of the rubber pad of the first invention.
- Fig. B is a cross-sectional view taken along line A-A of A, C is a side view, and D is a perspective view of a wedge fitting.
- FIG. 5 illustrates a method of attaching the rubber pad of the invention to a show plate.
- a and B are cross-sectional views of the same position as in FIG. 4B, and C is a partially enlarged view of B.
- FIG. 1 illustrates an example of a conventional iron crawler, where A is a sectional view and B is a side view.
- Fig. 2 is a perspective view U showing a conventional rubber pad.
- FIG. 3 is a perspective view showing
- FIG. 6 shows another embodiment of the rubber pad of the present invention, wherein A is a bottom view and B is a cross-sectional view of A taken along the line BB.
- Fig. 7 shows the washer, A is a plan view, B is a cross-sectional view, and C is an explanatory diagram for use.
- FIG. 8 is a sectional view of the same position as FIG. 4B showing still another embodiment of the rubber pad of the present invention.
- FIG. 9 shows an embodiment of a rubber pad to be mounted on a shoe plate having a different shape.
- A is a plan view
- B is a cross-sectional view taken along line C-C of A
- C is a perspective view of a pad member. .
- FIG. 11 shows an embodiment of a rubber pad to be attached to another shoe plate, where A is a plan view, B is a sectional view taken along line E—E of A, C is a sectional view taken along line F—F of A, D is a perspective view of the pad material.
- FIG. 12 is a cross-sectional view at the same position as in FIG. 4B showing a rubber rod and a head attached to a shoe plate on which a track link is bolted.
- FIG. 13 shows an example in which the connecting portion of the core metal of the rubber pad of the invention is modified.
- FIG. 13A is a plan view
- FIG. FIG. 14 is an enlarged cross-sectional view of another example of the rubber pad according to the present invention, in which the core metal joint is modified.
- FIG. 15 is an enlarged cross-sectional view of a joint portion showing another example in which the joint portion of the core metal of the rubber pad of the invention is modified.
- FIG. 16 is an enlarged cross-sectional view of a connecting portion showing another example in which the connecting portion of the core of the rubber pad of the invention is modified.
- FIG. 17 shows an embodiment of the rubber pad of the second invention.
- A is a plan view
- B is a side view
- C is a cross-sectional view taken along line A-A of A
- D is an enlargement of a core metal joint of C.
- FIG. FIG. 18 is a perspective view of the wedge fitting.
- FIG. 19 shows a nut, in which A is a plan view and B is a cross-sectional view.
- FIG. 20 illustrates a method of attaching the rubber pad of the invention to a shroud plate, wherein A is an overall sectional view before attachment, and B is a partial view thereof.
- FIG. 3A is a view for explaining a method of attaching the rubber pad of the present invention to a shroud plate, where A is an overall sectional view after attachment, and B is a partial view thereof.
- FIG. 22 is a perspective view showing a core bar with a protruding piece protruding.
- FIG. 23 is a plan view illustrating a mud discharge hole portion.
- FIG. 24 is a perspective view illustrating another embodiment of the wedge fitting.
- FIG. 25 shows a first embodiment of the rubber pad of the third invention, in which A is a plan view, B is a cross-sectional view of A taken along line A-A, and C is a cross-sectional view taken along line B-B.
- FIG. 26 is a plan view of the cored bar of the first embodiment.
- FIG. 27 is a partially enlarged view illustrating a method of attaching the rubber pad of the first embodiment to the shroud.
- FIG. 28 is a sectional view of a modification of the first embodiment.
- FIG. 29 is a cross-sectional view of still another modification example of the first embodiment.
- FIG. 30 shows a second embodiment of the rubber pad of the present invention, wherein A is a plan view, B is a cross-sectional view taken along line C-C of A, and C is a cross-sectional view taken along line D-D.
- FIG. 31 is a plan view of the cored bar of the second embodiment.
- FIG. 32 is a partially enlarged view for explaining a method of attaching the rubber pad of the second embodiment to the shroud.
- FIG. 33 shows a modification of the second embodiment, where A is a plan view and B is a cross-sectional view of A taken along the line EE.
- FIG. 4 shows an embodiment of a rubber pad according to the present invention, wherein A is a plan view, B is a cross-sectional view taken along line AA of A, C is a side view, and D is a perspective view of a wedge fitting.
- reference numeral 1 denotes a plate, which has a hole 1 h for discharging mud in the center and is connected endlessly by a track link 2 attached to the non-ground surface side.
- Reference numeral 3 denotes a rubber pad which is detachably attached to the grounding surface side of the plate 1 above, and which bolts two pad members 4 and 4 ′ divided in the longitudinal direction of the plate 1.
- the pad members 4 and 4 ′ are made of rubber.
- the rubber lugs 4 a and 4 have a length shorter than / of the longitudinal direction of the plate.
- the rubber lugs 4a, 4 'and 4' consist of metal cores 6, 6 'which are longer than the rubber lugs and which are embedded on the non-ground side of the rubber lugs.
- Circular hooks 6a and 6'a which are removably engaged with the end of the port 1 and the other end is a connecting portion 6b which overlaps when connecting the pad members 4 and 4 '.
- 6′b, and long holes 6h, 6′h are formed in the joints 6b, 6 * b.
- the bolt member 5 includes a bolt 5a, a truncated pyramid-shaped wedge fitting 5b, and a nut 5c.
- FIG. 5 A, B and C illustrate how to attach rubber pad 3 to shoe plate 1.
- a and B are cross-sectional views at the same position as in Fig. 4B, and C is a partial enlarged view of B.
- FIG. 5A the connecting members 6 b and 6 ′ b of the pad members 4 and 4 ′ are mated and connected by the bolt member 5. At that time, insert the bolt 5a through the wedge fitting 5b into the long hole 6h, 6'h of each core 6, 6 ', and attach the nut 5c to the tip of the bolt in advance. deep .
- FIG. 5A the connecting members 6 b and 6 ′ b of the pad members 4 and 4 ′ are mated and connected by the bolt member 5.
- insert the bolt 5a through the wedge fitting 5b into the long hole 6h, 6'h of each core 6, 6 ', and attach the nut 5c to the tip of the bolt in advance. deep .
- FIG. 5A the connecting members 6 b and 6 ′ b of the pad members
- FIGS. 6A and 6B show another embodiment of the rubber pad of the present invention, wherein A is a bottom view and B is a cross-sectional view of A taken along the line B-B.
- an elliptical washer 7 is attached to the bolt 5a, the wedge fitting 5b and the nut 5c as the bolt material 5, and the washer 7 is attached to the tip of the bolt 5a. Attached Then, insert it through the mud discharge hole lh of the plate 1 and turn it in the direction crossing the mud discharge hole 1 h on the track link 2 side to remove the bolt 5 —Fix to plate 1. By tightening the bolt 5a in this state, the rubber pad is more firmly attached to the shape plate 1 at three points at both ends and the center.
- Fig. 7 A, B and C show the washer described above.
- A is a plan view
- B is a cross-sectional view
- C is a track link 2 and a view for use viewed from the side 2 (not shown). ).
- the washer 7 has a two-stage structure.
- the lower stage has an elliptical shape which is almost the same as the mud discharge hole 1 h
- the upper stage has a circular shape and a stopper -7 s having a part of the circle as a corner.
- the stopper 7s of the washer 7 is fitted into the mud discharge hole 1h, and the washer 7 and the nut 5c are fixed.
- the mud discharge hole 1 h is a horizontal hole that is long in the longitudinal direction of the plate 1.
- the rubber pad is attached, and the washer 7 functions in a similar manner.
- FIG. 8 is a cross-sectional view of the rubber pad of the present invention at the same position as FIG. 4B showing still another embodiment.
- the bolt member 5 includes a bolt 5a, the above-described wedge fitting 5b, and a washer 7, Further, a fixing jig 8 is used in which the nuts 5c are separately or integrated, and the cores 6, 6 'are partially formed into corrugated bellows 6c, 6'c. is there.
- the stop jig 8 By inserting the stop jig 8 from the non-ground surface side of the shoe plate 1 and tightening the bolt 5a, the left and right metal cores 6, 6 'slide to the center under the action of the wedge.
- the hooks 6a and 6'a are fixed to both ends of the shot plate.
- FIG. 9A shows a plan view
- FIG. 9A is a plan view
- FIG. 9B is a cross-sectional view taken along line CC of FIG. 9A
- FIG. 9C is a perspective view of the pad member 4.
- the example show-plate 11 has three iron lugs 11a1, 11a2, 11a3 and a mud discharge hole 1 formed by cutting the iron lugs 11a2. It has been longer than 1 h.
- the rubber pad to be attached to this is fitted with narrow cores 12 and 12 between the iron lugs 1] a1, 11a2 and 11a3, respectively, and bolts each core. 5a and wedge fitting 5b. Also, Fig.
- 10A is a plan view with a part omitted
- B is a cross-sectional view taken along the line D-D of A
- C is a perspective view of the pad member 4, and three iron lugs 13a1, 1a A rubber pad attached to the plate 13 made of mud discharge holes 13h1 and 13h2 formed between 3a2, 13a3 and these iron lugs, respectively.
- the core metal 14 has a shape that covers the entire surface of the template 13 so as to correspond to the concavo-convex shape of 3a1, 13a2, and 13a3.
- ID 11 A is a plan view
- B is a cross-sectional view of line E—E of A
- C is a cross-sectional view of line F—F of A
- D is a perspective view of pad member 4
- iron lug 13 a 1, 13 a2, and 13 a3 are provided with flat metal cores 15 and 15 ′ parallel to the shape plate 13, and both ends of the metal cores 15 and 15 ′ are shrouded. Plate]. Fold it to the 3 side and attach it to the shoe plate 13 as the hooks 15a and 15'a and the connecting parts 15b, 15 and b, respectively.
- Fig. 12 is a cross-sectional view of the same position as Fig. 4B showing the rubber pad attached to the shape plate 1 where the track link 2 is bolted.
- the metal cores 6, 6 'at positions corresponding to the bolts 2f are formed in the convex portions 61, 6'1.
- a hole that allows the head of the bolt 2f to be inserted may be formed at a position corresponding to the bolt 2f of the track link 2 of the cored bar.
- FIGS. 13A and 13B show an example in which the connecting portion of the core metal of the rubber pad of the present invention is modified.
- FIG. 13A is a plan view
- FIG. 13B is a sectional view taken along line GG of A.
- the connecting part 16b of one of the cores 16 is a hooking piece 16c bent at the end into a substantially L shape.
- the long hole 1 into which the wedge fitting 5b fits 6 h, and a hollow part 160 formed in the center of the core metal in the width direction is formed, and the joint part 16 ′ b of the other core metal 16 ′ is bent at the end to form the claw part 16 ′ e. I do.
- the hook piece 6c was inserted from the mud discharge hole ⁇ h, and the hook piece 16c was hooked on the non-ground surface side of the shroud-plate 1. Then, with the pawl 16'e loosely fitted in the hollow part 160, the bolt 5a is tightened, and the wedge fitting 5b is gradually inserted into the long holes 16h and 16'h. When the metal cores 16, 16, slide, the claws 16 ′ e fit into the hollow space 160, and the rubber pad is further firmly pushed. Attach to In order to lock the hanging piece 16 c on the shower plate ⁇ , the shoe plate 1 and the core bar ⁇ 6 are integrated, and the core bar 16 hardly shifts, and the washer 7 is used. It is possible to fix the rubber pad to the center of the shroud plate without using it.
- FIGS. 14, 15 and 16 are enlarged cross-sectional views of a connecting portion of a rubber pad according to the present invention in which the connecting portion of the core metal is deformed and further another example is shown.
- Fig. 14 shows the long holes in the joints 17b and 17'b, which correspond to the joints 6b and 6'b] 7h and 17'h. , 17 m 2, ⁇ 7 'ml. 17' m 2, respectively, and the wedge fitting is inserted into the elongated hole by tightening the bolt, and the projections 17 ml and 17 'm 2 Approximately 7 m2 and 17'ml dry each other to prevent the left and right cores from shifting.
- Fig. 14 shows the long holes in the joints 17b and 17'b, which correspond to the joints 6b and 6'b] 7h and 17'h. , 17 m 2, ⁇ 7 'ml. 17' m 2, respectively, and the wedge fitting is inserted into the elongated hole by tightening the bolt, and the projections 17
- Fig. 15 shows a continuous waveform that has a suitable space on both sides in the longitudinal direction of the core metal of the long holes 18h and 18'h of the confronting surface of each joint 18b and 18'b. Stepped grooves 18d and 18'd are cut to prevent displacement in the longitudinal direction of the plate.
- Fig. 16 shows that a substantially U-shaped projection 19 protrudes from the base of the rubber lug of the core 19 corresponding to one of the cores 6, and is formed by the projection 19P and the core 19. The end of the core 19 ', which corresponds to the other core 6', is inserted into the recess 19Q, and the end of the core 19 'is subjected to a force that warps the rubber pad. Jumps Protrusion 19 9p holds it out. As described above, the joint having some deformation prevents the stress from being concentrated on the bolt 5a and improves the durability of the bolt. .
- the invention is not limited to the above embodiment.
- the bolt 5a may be inserted from the non-ground side of the plate 1, and the washer 8 may be threaded.
- the nut 5c may be omitted.
- Fig. 17 shows an embodiment of the rubber pad of the present invention, where A is a plan view, B is a side view, C is a cross-sectional view of line A-A of A, and D is an enlarged view of a core metal joint of C. is there.
- projecting pieces 6 h 1 and 6 h 1 having a certain length are formed toward the shroud plate 1 side of the long hole 6 h of one of the cores 6 (see FIG. 22). .
- FIGS. 18 and 19 illustrate the bolt member 5 of the present embodiment.
- FIG. 18 is a perspective view of the wedge fitting 5b
- FIGS. 19A and B are books that are screwed to the bolt 5a. It is the top view and sectional drawing which show the nut 57c of an example.
- the wedge fitting 5b has a bolt hole 5b1 from the upper surface to the lower surface of the truncated pyramid shape, and the nut 57c has a substantially convex cross section and the nut body 57c1 and the head.
- the nut body 57c1 has the same elliptical shape as the mud discharge hole 1h, and the head 57c2 forms a square stopper 57s. ing.
- FIG. 21A and FIG. FIG. 2 is a cross-sectional view at the same position as FIG. 1C and a partially enlarged view of a cored bar connecting portion for explaining a method of attaching a head 3 to a show plate 1.
- the core 6, which serves as the connecting portion 6 b of each pad member 4, 4 ′, and the core 6, which serves as 6 ′ b, the long hole 6 h, 6 ′ h, and the core 6 ′ So that the mandrel 6 is facing downward, and loosely connected in advance with the bolt member 5, and then pull the left and right mandrel 6, 6 'in the direction of the arrow (a).
- Gum pad 3 length L 2 is larger than L 1 to make mounting easier.
- FIG. 22 is a perspective view of the cored bar 6 in the above embodiment, and a protruding piece 6 h 1 having a length L 4 substantially the same as the thickness L 3 of the shroud plate is provided on the non-ground surface side of the periphery of the elongated hole 6 h. , 6 h 1 are formed (see FIG. 20B).
- the protruding pieces 6h1 and 6h1 do not protrude from the mud discharge hole 1h. There is no.
- Fig. 23 A and B are plan views of the mud discharge hole. As shown in the figure, there are two types of mud discharge holes; The mounting of protruding piece 6 hi differs depending on the discharge hole. Also, the stopper 57 s of the nut head 57 c 2 fits into the mud discharge hole 1 h and does not rotate even when the bolt 5 a is tightened.
- FIG. 24 is a perspective view showing another embodiment of the wedge fitting. Since the flange 5b2, which is larger than the elongated mandrel, is formed on the upper surface of the truncated pyramid where the bolt hole 5b1 is drilled, the bolts 4 and 4 are bolted. When connected by the member 5, the wedge fitting 5b does not fall into the elongated holes 6h and 6'h, and is easily mounted.
- the shroud plate of the above embodiment may be provided with two mud discharge holes in parallel across the center of the plate, and the rubber pad having the above-described configuration is provided in each of the mud discharge holes of the plate.
- Each bolt is attached with a bolt member.
- the track link 2 and the shape plate 1 may be attached by means such as bolting.
- FIG. 25 shows a first embodiment of the rubber pad of the present invention, in which A is a plan view, B is a cross-sectional view of A taken along line A-A, and C is a cross-sectional view of A taken along line B-B.
- 5d is a fastener that bends an iron plate and has a bolt hole in the center, connecting the two pad members 4, 4 'in relation to the bolt 5a and the nut 57c. ing.
- Fig. 26 shows a plan view of the left and right cores to be buried.
- One end of each of the cores 6, 6 ' is a semicircular hook which is engaged with the end of the plate so as to be detachable. 6a and 6'a, and the other end is provided with long holes 6h and 6'h that overlap each other when connecting the pad members 4 and 4 '.
- the tip of the metal core 6 ' which is downward (on the plate side), is bent to form a projection 6'e.
- FIGS. 27A to 27D are enlarged views each illustrating a method of attaching the rubber pad 3 to the shoe plate 1.
- the nuts 5a and nuts 57c After loosely connecting the nuts 5a and nuts 57c, lock the hooks 6a and 6'a on both ends to both ends of the plate 1.
- FIG. 27A the left and right mandrel 6, 6 'are aligned with the long holes 6h, 6'h so that the mandrel 6 is above and the mandrel 6' is below.
- the hooks 6a and 6'a on both ends to both ends of the plate 1.
- the left and right pad members 4 and 4 ′ are moved toward the center (in the direction of the arrow), and the hooks 6 a and 6 ′ a are securely engaged with both ends of the shoe plate 1.
- the slots 6h and 6'h of the left and right cores 6 and 6 'overlap, and the fastener 5d is automatically fitted into the slot 6h. Tightening the bolt 5a in this state causes the fastener 5d to bend as shown in Fig. 27C and the fastener 5d to press the left and right cores 6, 6 '.
- the fastening metal 5d is preferably made of a steel material having spring characteristics, for example, a spring material.
- FIGS. 28 and 29 are cross-sectional views of the same positions as FIG. 25B showing an example in which the cored bars 6 and 6 ′ are changed.
- a protrusion 6 e is also formed at the tip of the upper metal core 6, so that the fastener 5 d does not easily come off.
- no projection is formed on the tip of the mandrel, and processing on the mandrel can be omitted, and the mandrel can be produced at low cost.
- FIG. 30 shows a rubber pad according to a second embodiment of the present invention, in which A is a plan view, B is a cross-sectional view of A along line C-C, and C is a cross-sectional view of A along line D-D.
- the rubber pad "3 1" of the thick example has rubber lugs 4a and 4'a with metal cores 2 and 1 2 'on the non-ground side of a plate with two earth and sand discharge holes 1h in the center.
- the buried pad members 4 and 4 ' are attached from both ends in the width direction of the plate, and connected by bolts 5a, nuts 57c and gears 5g at the central earth and sand discharge hole 1h. It has been done.
- FIG. 31 shows a plan view of the right and left cores to be buried.
- One end of each of the cores 12 and 12 ′ has a semi-circular shape which is detachably engaged with the end of the shoe plate 1.
- the hooks are 12a, 12a, and the other end is connected to pad members 4 and 4 '.
- Elongated holes 1 2h and 12'h are drilled so as to overlap each other, and one side of each of the elongated holes 12h and 12'h has a step groove that fits the gear 5g. 1 2 c and 1 2 ′ c are formed.
- FIGS. 32A and B illustrate a method of attaching the rubber pad 31 to the shoe plate 1, wherein A is an enlarged plan view of a bolt portion, and B is a cross-sectional view of the same.
- A is an enlarged plan view of a bolt portion
- B is a cross-sectional view of the same.
- FIG. 33 shows a modified example of the rubber pad 31.
- A is a plan view
- B is a cross-sectional view of A taken along line E-E.
- a slot 12h is formed by drilling an elongated hole 12h only in the upper core bar 12 at the joint, and a bolt hole 1 2 'in the lower core bar 12'.
- the upper metal bar 12 is the only metal core that fits with the gear 5 g at the time of drilling and connecting the upper metal core 12.
- the upper metal core 12 slides in the center, but the lower metal core 1 2 'is immobile.
- the step groove is formed on only one of the cores, so the teeth of the gear 5 g are formed only on a part. However, the teeth may be formed on the entire circumference.
- a step groove may be provided in 1 2 ′, and a bolt hole may be provided in the upper metal core 12.
- the plate ⁇ has two mud discharge holes 1 h in parallel across the center of the plate, and the pad members 4 and 4 ′ are connected at each mud discharge hole.
- the rubber pad of the above connection method may be attached to a shroud that has one mud discharge hole in the center.
- the rubber plate and the head having the above structure are attached to each mud discharge hole of the plate with bolt members.
- the track link 2 and the shoe plate 1 may be attached by means other than welding or bolting.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU28066/95A AU2806695A (en) | 1994-06-30 | 1995-06-28 | Rubber pad |
| EP95923542A EP0764573A4 (en) | 1994-06-30 | 1995-06-28 | RUBBER TRACK COVER |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6/184223 | 1994-06-30 | ||
| JP18422394A JPH0811757A (ja) | 1994-06-30 | 1994-06-30 | ゴムパッド |
| JP30415594A JPH08127370A (ja) | 1994-10-31 | 1994-10-31 | ゴムパッド |
| JP6/304155 | 1994-10-31 | ||
| JP34102794A JPH08183485A (ja) | 1994-12-28 | 1994-12-28 | ゴムパッド |
| JP6/341027 | 1994-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996000676A1 true WO1996000676A1 (en) | 1996-01-11 |
Family
ID=27325393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1995/001294 Ceased WO1996000676A1 (en) | 1994-06-30 | 1995-06-28 | Rubber pad |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0764573A4 (ja) |
| CN (1) | CN1166814A (ja) |
| AU (1) | AU2806695A (ja) |
| WO (1) | WO1996000676A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11245862A (ja) | 1998-03-01 | 1999-09-14 | Bridgestone Corp | 後付け用ゴムパッド |
| JP2001278138A (ja) * | 2000-03-30 | 2001-10-10 | Mitsubishi Steel Mfg Co Ltd | 鉄履帯用ゴムパッド及びロックピン |
| JP2004106811A (ja) | 2001-11-09 | 2004-04-08 | Topy Ind Ltd | 履帯部品用標準化構造 |
| DE202004005861U1 (de) * | 2004-04-14 | 2004-06-17 | Bruder Spielwaren Gmbh & Co. Kg | Laufgliederkette für Spielzeugfahrzeug nach Art eines Schaufelbaggers |
| US9260144B2 (en) | 2011-10-12 | 2016-02-16 | Volvo Construction Equipment Ab | Lower track of crawler excavator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS633349Y2 (ja) * | 1982-01-14 | 1988-01-27 | ||
| JPH0113020Y2 (ja) * | 1988-01-21 | 1989-04-17 | ||
| JPH0618176U (ja) * | 1992-08-12 | 1994-03-08 | 株式会社鈴機商事 | 履帯走行装置 |
-
1995
- 1995-06-28 EP EP95923542A patent/EP0764573A4/en not_active Withdrawn
- 1995-06-28 AU AU28066/95A patent/AU2806695A/en not_active Abandoned
- 1995-06-28 WO PCT/JP1995/001294 patent/WO1996000676A1/ja not_active Ceased
- 1995-06-28 CN CN 95193903 patent/CN1166814A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS633349Y2 (ja) * | 1982-01-14 | 1988-01-27 | ||
| JPH0113020Y2 (ja) * | 1988-01-21 | 1989-04-17 | ||
| JPH0618176U (ja) * | 1992-08-12 | 1994-03-08 | 株式会社鈴機商事 | 履帯走行装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0764573A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0764573A4 (en) | 1999-07-07 |
| AU2806695A (en) | 1996-01-25 |
| CN1166814A (zh) | 1997-12-03 |
| EP0764573A1 (en) | 1997-03-26 |
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