JP6325045B2 - Structure to attach a reinforcement to the tire side of large vehicles for construction and construction machinery - Google Patents

Description

  The present invention relates to a structure in which a reinforcing body is attached to the side of a tire of a large vehicle for construction and construction machinery. In particular, the present invention relates to a large vehicle for construction.

  Conventionally, the tire sidewalls of vehicles working at quarries, mines, tunnel construction sites, etc. are often damaged (side cuts) by contact with crushed stones and protrusions on the road surface (especially radial tires). Accordingly, tire manufacturers have protected the tire sidewalls by thickening the rubber on the side portions or by providing side protectors made of rubber and steel cord layers to prevent side cuts.

In recent years, a technique for devising the angles of the outer surfaces of the tread portion and the shoulder portion and the angles of the outer surfaces of the shoulder portion and the sidewall portion has been disclosed (for example, Japanese Patent Application Laid-Open No. 2011-111003 ). However, since the side cut cannot be surely prevented, for example, there is a demand for a side wall portion strengthening technique that can be performed at a low cost by a tire dealer.

  In view of the above, the present invention covers the entire sidewall portion from the outside with a protective rubber or protective steel plate. When using a steel plate, a rubber magnet is attached to the inside of the sidewall portion to strengthen the outer steel plate. Hold on. Alternatively, although not shown, it is also considered to use a lightweight, high-strength resin-aluminum bonding material instead of a steel plate.

  As a result of conducting a prior art literature search, an invention in which a sidewall portion is covered with rubber or a steel plate (steel wire) from the outside has been disclosed by a tire manufacturer in 1974 and 1991. Document (1) is Japanese Patent Laid-Open No. 08-058318 (pneumatic tire for running on rough terrain), and a protective layer made of a steel plate or a thick steel wire is provided inside the side protector. Document (2) is JP-A-49-072805 (pneumatic tire with side protector), which is provided with a rubber-like protective layer. Further, Document (3) is Japanese Patent Laid-Open No. 01-160711 (Wasteland running tire), which is provided with a protective layer for a metal plate. Document (4) is Japanese Patent Application Laid-Open No. 2003-285728 (measurement method of force acting on a tire and measurement method of a friction coefficient), and has a structure in which a magnetic body is provided on a sidewall portion (a vehicle outer side) of a tire. However, it is to measure the force in the circumferential direction and the vertical direction where the road surface acts on the tire, determine the friction coefficient directly from the measured force, and brake to obtain the optimum friction coefficient, A magnetic flux density pattern is measured using this magnetic material. Reference (5) is Japanese Patent Application Laid-Open No. 2010-188779 (tire), in which a magnetic sheet is provided on the inner surface of the tread portion of the tire, and a sound absorbing material is attached to the magnetic sheet. That is, the tire is provided with a sound-absorbing material attached by the action of magnetic force.

Japanese Patent Laid-Open No. 08-058318 JP 49-072805 Japanese Patent Laid-Open No. 01-160711 JP 2003-285728 A JP 2010-188779 A

  In the structures of the above-mentioned literature (1) to literature (3), there is a situation in which the tire side is rubbed strongly in contact with rocks and iron scraps under severe use conditions in rough terrain where rocks and iron scraps are scattered. When this occurs, it is considered effective for preventing damage to some extent. Further, the structures of Documents (1) to (3) are formed integrally with the sidewall, and are considered to be effective for protecting the vehicle exterior side of the tire including the sidewall. However, the structures of Documents (1) to (3) cannot be used for existing vehicles, and replacement with new tires is essential. Therefore, it becomes purchase of a tire, and expense increases, and it is not rational. In view of the above, the present invention proposes a technique for strengthening a sidewall portion (vehicle outer side) that can be performed at low cost by a tire dealer.

  Moreover, the above-mentioned document (4) provides a magnetic body on the vehicle outer side of the tire and uses it for measurement. Therefore, it is merely a measuring means, and the purpose and the structure are different from the prevention of breakage caused by the contact between the outside side of the vehicle and the crushed stones or protrusions on the road surface, which is intended by the present invention. Furthermore, the above-mentioned document (5) is a structure in which a magnetic sheet is provided inside a tire and a sound absorbing material is provided, and is an internal structure. Therefore, as in the present invention, the sense of distance is different from the structure in which the fixing means is provided on the inner side of the vehicle outer side of the tire and the reinforcing body having the fixed means is provided on the outer side of the outer side of the tire, respectively. The purpose and structure are different from the prevention of breakage caused by contact between the vehicle outer side and the crushed stones or protrusions on the road surface.

The present invention utilizes existing tires (tires of large vehicles for construction and construction machinery) and existing wheels, and can be easily and at low cost by tire dealers on the vehicle outer side (hereinafter referred to as the following). Proposed technology for strengthening the outside side of the car . We also propose a structure that can prevent damage caused by contact between the vehicle exterior side and crushed stones and protrusions on the road surface. Furthermore, the structure which can attach a reinforcement body to the vehicle outer side through the fixing means which can be attached to the wheel of the vehicle outer side is proposed.

Claims 1-2 are disclosed with the aim of achieving the object.

The invention of claim 1 is a structure in which a reinforcing body made of a reinforcing rubber plate, a reinforcing steel plate, and a reinforcing resin material is attached to the side of a tire of a large vehicle for construction / construction machinery,
The fixing means of the reinforcing body is a magnetic material or metal material provided on the reinforcing body,
The fixing means on which the fixed means is magnetically attached is attached to the outer side wall of the tire or the outer side wheel of a large vehicle , and the base end is locked in a plurality of holes provided in the rim of the tire wheel of the tire. , Any of a plurality of frames or a plurality of spokes provided at least in part with a metal material whose free end reaches the sidewall of the tire, and a rim ring of metal material or a magnetic material attached to the free end, or a surface portion A fixed member made of
The structure to attach the reinforcing body to the side of the tire of a large vehicle for construction and construction equipment, in which the fixing means is magnetically attached to the fixing means, and the reinforcing body is attached to the vehicle outer side wall or the vehicle outer wheel of the large vehicle. is there.

Therefore, in claim 1, it is a technique for strengthening the outer side of the vehicle that can be performed easily and at low cost by a tire dealer mainly using existing tires and mainly existing wheels. A structure that can prevent damage due to contact between crushed stones and protrusions on the road surface and the road surface, and a structure that can attach a reinforcing body to the vehicle side via a fixing means that can be attached to the wheel on the vehicle side. It can exhibit the characteristics such as becoming. Further, in claim 1, the existing tire and the existing wheel are used, and the structure is simple and can be performed at low cost by the tire dealer. Thus, the object of the present invention can be achieved.

In the invention of claim 2, the fixed means is a structure in which the reinforcing body is attached to the side of the tire of a large vehicle for construction and construction equipment that is a rubber magnet or a metal magnet provided on the reinforcing body.

Therefore, according to the second aspect , the present invention is useful as a strengthening technique for the outer side of the vehicle that can be easily performed at a low cost by a tire dealer by devising the existing tire (for example, attaching the reinforcing body). .

Use existing tires (tires for construction and construction machinery), existing wheels (partially machined “holes”), and fixing means with some metal and magnetic materials to reinforce the outer side of the tire An exploded perspective view of an example assuming the state of attaching a body Other examples assuming a state in which a reinforcing body is attached to the outer side of the tire by using an existing tire, an existing wheel (partially processed “hole”), and a fixing means partially including a metal / magnetic material Exploded perspective view Front view of a state where a fixing means equipped with a part of metal / magnetic material is installed using existing tires and existing wheels Front view with a reinforcing member omitted using a fixing means that is partially equipped with a metal / magnetic material provided to hold an existing tire Perspective view showing angle-shaped fixing means with metal and magnetism in part Front sectional view showing an example of providing a fixing means provided with a part of a metal / magnetic material inside the vehicle outer side of an existing tire 4 is a side sectional view of a partially cutout showing a state in which a reinforcing body is attached to the inside of the sidewall portion using the fixing means shown in FIG. Diagram of the present invention applied to a large work machine (wheel loader)

  In the first to third embodiments shown in FIG. 1 to FIG. 5, fixing of a cross shape having an existing tire, an existing wheel (partly processed “hole”), and a metal / magnetic material in part. An example in which the reinforcing body is attached to the vehicle outer side of the tire using the means and the fixed means will be described.

In the first embodiment shown in FIG. 1, reference numeral 1 denotes a wheel (including existing and new ones), which is a disk 1a (circular outer peripheral surface) and / or a rim 1b (circular outer peripheral surface) of this wheel 1? Alternatively, the bead seat portion 1c (circular outer peripheral surface) may be located at a suitable place (not shown, but there may be a composite portion. For example, the disc 1a and / or the rim 1b, the disc 1a and / or the bead seat portion 1c. As shown in FIG. 2, a plurality of through-holes 2 are opened in the circumferential direction 100. The operation of opening the hole 2 is the vehicle outer side 1-1 of the wheel 1 (not shown, but the vehicle inner side may also be present). One or several holes 2 are used, and a frame 3 as a fixing means A is provided on the vehicle exterior side 1-1. The frame 3 has a bent portion, a protrusion, and a bolt hole on the base end side 5a, and a plate-like spoke 5 (arm) provided with a free end side 5b reaching the vehicle outer end portion of the sidewall portion 1000. And a surface portion 6 (plate material) provided on the free end side 5b of each spoke 5, respectively. The fixing means A is fastened with a stopper 4 between the hole 5c and the hole 2 of the base end portion 5a of the spoke 5, and the base end side 5a of the spoke 5 is stopped at an appropriate position of the bead seat portion 1b. As shown in FIG. 1, it is attached to the vehicle exterior side 1-1 of the wheel 1. In the example shown in the figure, the fixing means A includes four spokes 5, but is not limited. Further, a part of the surface part 6 and / or the spoke 5 (a part of the frame 3) or the whole is provided with a metal material (body) or a magnetic material (body). Although not shown, the free end side 5b of the spoke 5 can be used to strengthen the connection with a wire or the like and to maintain a shape similar to the vehicle outer side 1-1 of the tire 10. It should be noted that a part or all of both surfaces (or one surface) of the surface portion 6 may be provided with a metal material (body) or a magnetic material (body). The structure provided with a metal material (body) or a magnetic material (body) on both surface sides may have a feature that the surface portion 6 can be easily attached to and detached from the spoke 5.

  Reference numeral 8 denotes a reinforcing body that covers the vehicle exterior side 1-1, which is made of a reinforcing rubber plate, a reinforcing steel plate, and a reinforcing resin material, and has an annular shape as shown. Part or all of the back surface side 8a of the reinforcing body 8 is provided with a magnetic material or a metal material. This magnetic material or metal material is the fixing means B of the reinforcing body 8.

  In the first embodiment, several spokes 5 are sequentially attached to the vehicle exterior side 1-1 of the wheel 1 that supports the tire 10 (including both existing and new) to complete the frame 3. The fixed means B of the reinforcing body 8 can be attached to the fixing means A of the frame 3 by magnetic attachment. This way of attachment is effective for the tire supplier to easily and surely attach to existing tires and existing wheels and to prevent damage to the vehicle exterior side 1-1 of the tire 10.

  The second embodiment shown in FIGS. 2 and 3 basically conforms to the first embodiment, but in the second embodiment, a structure using a rim ring 60 instead of the face portion 6 is provided. The rim ring 60 is magnetically attached or fixed to the free end side 5b of 5. In addition, a metal material (body) or a magnetic material (body) is provided on one surface of the rim ring 60 or a part or all of both surfaces. The reinforcement body 8 is attached in accordance with the first embodiment. On the both surfaces, the rim ring 60 can be easily attached to and detached from the spokes 5.

  4 and 5, the third embodiment basically conforms to the first and second embodiments. In the third embodiment, instead of the spokes 5, the spokes 50 having a holding structure are used. This structure is used, and the reinforcing body 8 is magnetically attached or fixed to one side 50b of the spoke 50. A part or the whole of one side 50b is provided with a metal material (body) or a magnetic material (body). The reinforcement body 8 is attached in accordance with the first and second embodiments. An attachment hole 51 is provided on the end side 50 a of the spoke 50. A plurality of spokes 50 are provided so as to hold the tire 10 by tightening the hole 51 and the hole 2 with the stopper 4.

  In the fourth embodiment shown in FIG. 6 and FIG. 7, mainly, the (existing) tire 10, the (existing) wheel 1, and a rubber magnet or a metal magnet partially including a metal / magnetic material are provided. An example in which the reinforcing body 8 is attached to the vehicle exterior side 1-1 of the tire 10 using the fixing means A by the inserted material 20 and the above-described fixed means B will be described.

  The tire 10 is removed from the wheel 1, and an insertion material 20 (fixing means A) provided with a rubber magnet or a metal magnet is spread on the inside (inside) of the sidewall portion 1000 of the tire 10 and attached to the tire 10 ( (See drawing). After that, it is mounted on the wheel 1 and air is introduced into the tire 10, but it is attached inside the sidewall portion 1000 so that the insertion material 20 does not move. And it is the structure which attaches the reinforcement body 8 to the vehicle exterior side 1-1 using the to-be-fixed means B provided in the reinforcement body 8. FIG. The fourth embodiment also basically conforms to the structure and features of the first and second embodiments described above.

  In any case, according to the present invention, a dealer dealing with the tire 10 such as a tire dealer uses the knowledge and tools, etc. to easily and reliably the sidewall portion 1000 (the vehicle outer side 1-1). A structure in which the reinforcing body 8 can be detachably mounted is proposed.

  Each of the above-described embodiments is a description of a preferred example of the present invention. Therefore, the present invention is not limited to the above-described embodiments, and a structure in which a part of the configuration is changed within the scope of the invention, a structure that can achieve the same features and effects, and the like are included in the scope of the present invention. It is.

DESCRIPTION OF SYMBOLS 1 Wheel 1-1 Car outer side 1a Disc 1b Rim 1c Bead seat part 100 Circumferential direction 2 Hole 3 Frame 4 Stopper 5 Spoke 5a Base end side 5b Free end side 5c Hole 50 Spoke 50a End side 50b One side 6 Surface part 60 Rim ring 8 Reinforcing body 8a Back side 10 Tire 1000 Side wall 20 Insert material A Fixing means B Fixed means

Claims (2)

A structure in which a reinforcing body made of a reinforced rubber plate, a reinforced steel plate, and a reinforced resin material is attached to the tire side of a large vehicle for construction and construction machinery,
The fixed means of the reinforcing body is a magnetic material or a metal material provided on the reinforcing body,
The fixing means on which the fixed means is magnetically attached is attached to an outer side wall of the tire or an outer wheel of the large vehicle , and a plurality of holes whose base ends are opened in a rim of the tire wheel of the tire A plurality of frames, or a plurality of spokes provided at least in part with a metal material that is locked to the sidewall of the tire, and a metal material or a magnetic material attached to the free end. It consists of a rim ring or a fixed member made of either surface ,
A tire for a large vehicle for construction and construction equipment, wherein the fixed member is magnetically attached to the fixing member, and the reinforcing body is attached to the vehicle outer side wall or the vehicle outer wheel of the large vehicle. A structure that attaches a reinforcement to the side.   The structure for attaching the reinforcing body to the tire side of the large vehicle for construction and construction equipment according to claim 1, wherein the fixed means is a rubber magnet or a metal magnet provided on the reinforcing body.