Reinforced bead for off-the-road radial tire

Abstract

The application discloses a reinforced bead of a radial tire of an engineering machine, which comprises a tire body, a steel wire cord, a nylon cord, a rubber piece, a tire body cord, a radial line, a buffer mechanism and a fixing mechanism, the tire body is internally provided with the steel wire cord, nylon cords are bonded on both sides of the steel wire cord, the rubber piece is bonded on the steel wire cord, the rubber piece and the nylon cord are in contact, a tire body cord is bonded on one layer of the nylon cord, another layer of the nylon cord is bonded with the tire body, the tire body cord is internally provided with the radial line, the buffer mechanism is arranged on the tire body, and the fixing mechanism is arranged on the tire body. The application relates to the reinforced bead of the radial tire of the engineering machine, which has the characteristics of a slightly high tire body, difficulty in deformation and stability of the tire body in installation on a hub.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tires, and particularly relates to a reinforced bead of an engineering machinery radial tire. BACKGROUND

[0002] The radial tire refers to a pneumatic tire in which the cords in the tire body ply are arranged at an angle of about 810 DEG to the center line of the tread. The structural feature of the radial tire mainly lies in that the belt layer is a main stress component, the belt layer and the tire body cord are arranged at a large angle (70-80 DEG), and the tire body cord and the belt cord are crossed from three directions to form a large number of triangular grid structures. The engineering machinery radial tire is used in a harsh environment, and has high single tire load. The bead strength is insufficient, and the tire bead is often separated from the tire. The tire bead is easily deformed under high load, and the tire is not stable enough when being installed on the hub. Therefore, the prior art needs to be improved. SUMMARY

[0003] The application aims to provide a reinforced bead of an engineering machinery radial tire to solve the above problems.

[0004] To solve the above problems, the application provides a technical scheme.

[0005] The reinforced bead of the engineering machinery radial tire comprises a tire body, a steel wire cord, a nylon cord, a rubber piece, a tire body cord, a radial line, a buffer mechanism and a fixing mechanism. The tire body is internally provided with the steel wire cord. The two sides of the steel wire cord are bonded with the nylon cords. The steel wire cord is bonded with the rubber piece. The rubber piece and the nylon cord are in contact. One layer of the nylon cord is bonded with the tire body cord. The other layer of the nylon cord is bonded with the tire body. The tire body cord is internally provided with the radial line. The tire body is provided with the buffer mechanism. The tire body is provided with the fixing mechanism.

[0006] Preferably, the buffering mechanism comprises a sealing cylinder, a sliding rod, a sliding cylinder, a supporting pad, an open slot, a spring, a friction sleeve, a supporting ring, a rubber ring, a guide pin, a guide slot, a limiting slot, a bracket, a guide rod, a ventilation hole, a rubber pad and an elastic rope, the sealing cylinder is bonded to the tire body, the sliding rod is welded in the sealing cylinder, the sliding cylinder is slidably connected to the outer side of the sliding rod, the supporting pad is welded on the sliding cylinder, the supporting pad is bonded to the tire body, the open slots are arranged on the supporting pad and the sealing cylinder, the spring is arranged on the outer side of the sliding rod, the friction sleeve is fixedly sleeved in the sealing cylinder, the supporting ring is fixedly sleeved on the outer side of the sliding cylinder, the rubber ring is slidably connected to the outer side of the sliding cylinder, the rubber ring is in contact with the supporting ring and the friction sleeve, the guide pin is arranged on the rubber ring, the bracket is fixedly connected in the sealing cylinder, the guide rod is welded on the bracket, the ventilation hole is arranged on the sealing cylinder, the rubber pad is slidably connected to the outer side of the guide rod, and the rubber pad is in contact with the sealing cylinder. The external force received by the tire body is buffered through the elastic force of the spring and the change of the air pressure in the sealing cylinder, and the air pressure in the sealing cylinder is adjusted through the relative sliding between the rubber ring and the friction sleeve, the deformation of the rubber pad and the ventilation hole, so that the elastic potential energy of the spring is released, and the tire body tends to be stable after being impacted by the external force.

[0007] Preferably, one end of the spring is welded to the sliding cylinder, and the other end of the spring is welded to the sealing cylinder. The spring is arranged to buffer the impact received by the tire body.

[0008] Preferably, the friction sleeve is provided with a guide slot, the sealing cylinder is provided with a limiting slot, and the guide pin is slidably connected in the guide slot and the limiting slot. The guide slot and the limiting slot are arranged to guide the movement of the guide pin.

[0009] Preferably, the bracket is fixedly connected with the elastic rope, and the elastic rope is fixedly connected with the rubber pad. The elastic rope is arranged to connect the rubber pad.

[0010] As preferred, the fixing mechanism comprises a sliding groove, a connecting rod, a clamping block, a supporting rod, a stop block, a compression spring, a containing groove, a limiting block, a connecting rod, a torsion spring, a stop ring, a protruding block, a connecting plate and an anti-skid block, the sliding groove is arranged on the tire body, the connecting rod is slidably connected in the sliding groove, the clamping block is welded on the connecting rod, the supporting rod is fixedly connected on the tire body, the supporting rod and the connecting rod are slidably connected, the stop block is welded on the supporting rod and contacts with the connecting rod, the compression spring is arranged on the outer side of the supporting rod, the containing groove is arranged in the tire body, the limiting block is slidably connected in the containing groove, the connecting rod is welded on the limiting block and slidably connected with the tire body, the torsion spring is arranged on the outer side of the connecting rod, the stop ring is movably connected on the outer side of the connecting rod, one end of the torsion spring contacts with the limiting block, the other end of the torsion spring contacts with the stop ring, the protruding block is welded on the stop ring and contacts with the tire body, the connecting rod is fixedly connected with the connecting plate, the connecting plate contacts with the tire body and the connecting rod.

[0011] As preferred, one end of the compression spring is welded with the sliding rod, and the other end of the compression spring is bonded with the tire body. By arranging the compression spring, the sliding rod is facilitated to reset.

[0012] As preferred, the anti-skid block is bonded on the connecting plate, and the anti-skid block is slidably connected with the sliding groove. By arranging the anti-skid block, the connecting plate is limited.

[0013] The beneficial effects of the present application are as follows:

[0014] Firstly, by arranging the steel wire curtain, the nylon wire curtain, the rubber piece, the tire body wire curtain and the meridian line, the strength of the tire body can be enhanced by the steel wire curtain and the tire body wire curtain, which can effectively strengthen the tire ring and adapt to the high load working environment of the engineering machinery meridian tire, thereby prolonging the service life of the tire.

[0015] Secondly, by arranging the sealing cylinder, the sliding rod, the sliding cylinder, the supporting pad, the spring, the friction sleeve, the rubber ring, the support, the guide rod, the air hole, the rubber pad and the elastic rope, the external force received by the tire body is buffered by the spring elastic force and the air pressure change in the sealing cylinder, the rubber ring and the friction sleeve are relatively slid, the rubber pad is deformed to pass through the air hole to adjust the air pressure in the sealing cylinder, thereby releasing the elastic potential energy of the spring, and the tire body tends to be stable after being impacted by the external force.

[0016] Finally, by setting the sliding groove, connecting rod, clamping block, support rod, stop block, compression spring, limiting block, connecting rod, torsion spring, connecting plate and other structures, when the tire body is installed on the hub, the clamping block limits the tire body and the hub, and the connecting plate limits the connecting rod, so that the tire body and the hub are more stable during installation. BRIEF DESCRIPTION OF DRAWINGS

[0017] For ease of illustration, the present application is described in detail by the following specific implementation and drawings.

[0018] Figure 1 The overall structure of the present application is shown in the figure;

[0019] Figure 2 The partial structure of the present application is shown in the figure; Figure 1

[0020] Figure 3 The cross-sectional view of the sealing cylinder in the present application is shown in the figure; Figure 1

[0021] The structure of the support pad in the present application is shown in the figure; Figure 4 Figure 3 The enlarged view of A in the present application is shown in the figure;

[0022] Figure 5 Figure 3 The enlarged view of B in the present application is shown in the figure.

[0023] Figure 6 The enlarged view of B in the present application is shown in the figure. Figure 2

[0024] In the figure: 1, tire body; 2, steel wire curtain; 3, nylon wire curtain; 4, rubber part; 5, tire body wire curtain; 6, meridian; 7, buffer mechanism; 71, sealing cylinder; 72, sliding rod; 73, sliding cylinder; 74, support pad; 75, open slot; 76, spring; 77, friction sleeve; 78, support ring; 79, rubber ring; 710, guide pin; 711, guide groove; 712, limiting groove; 713, bracket; 714, guide rod; 715, air exchange hole; 716, rubber pad; 717, elastic rope; 8, fixing mechanism; 81, sliding groove; 82, connecting rod; 83, clamping block; 84, support rod; 85, stop block; 86, compression spring; 87, accommodating groove; 88, limiting block; 89, connecting rod; 810, torsion spring; 811, stop ring; 812, protrusion; 813, connecting plate; 814, anti-slip block. DETAILED DESCRIPTION

[0025] As shown in Figures 1-6 , the present specific implementation adopts the following technical solutions:

[0026] Embodiment:

[0027] ​​​​The application discloses a kind of engineering machinery radial tire reinforcing type bead, including body 1, steel wire cord 2, nylon cord 3, rubber piece 4, body cord 5, meridian 6, buffer mechanism 7 and fixed mechanism 8, the body 1 is provided with steel wire cord 2, the both sides of the steel wire cord 2 are bonded with nylon cord 3, the steel wire cord 2 is bonded with rubber piece 4, the rubber piece 4 and nylon cord 3 contact, one of the nylon cord 3 is bonded with body cord 5, the other nylon cord 3 is bonded with body 1, the body cord 5 is provided with meridian 6, the body 1 is provided with buffer mechanism 7, the body 1 is provided with fixed mechanism 8.

[0028] Wherein, the buffer mechanism 7 includes sealing cylinder 71, slide rod 72, slide cylinder 73, support pad 74, open slot 75, spring 76, friction sleeve 77, support ring 78, rubber ring 79, guide pin 710, guide slot 711, limit slot 712, bracket 713, guide rod 714, air exchange hole 715, rubber pad 716 and elastic rope 717, the sealing cylinder 71 is bonded with body 1, the slide rod 72 is welded in the sealing cylinder 71, the outer side of the slide rod 72 is slidably connected with the slide cylinder 73, the support pad 74 is welded on the slide cylinder 73, the support pad 74 is bonded with body 1, the open slot 75 is arranged on the support pad 74 and the sealing cylinder 71, the spring 76 is arranged on the outer side of the slide rod 72, the friction sleeve 77 is fixedly sleeved in the sealing cylinder 71, the support ring 78 is fixedly sleeved on the outer side of the slide cylinder 73, the rubber ring 79 is slidably connected with the outer side of the slide cylinder 73, the rubber ring 79 contacts with the support ring 78, the rubber ring 79 contacts with the friction sleeve 77, the guide pin 710 is arranged on the rubber ring 79, the bracket 713 is fixedly connected in the sealing cylinder 71, the guide rod 714 is welded on the bracket 713, the air exchange hole 715 is formed in the sealing cylinder 71, the rubber pad 716 is slidably connected with the outer side of the guide rod 714, and the rubber pad 716 contacts with the sealing cylinder 71. By the elastic force of the spring 76 and the change of air pressure in the sealing cylinder 71, the external force received by the body 1 is buffered, and by the relative sliding between the rubber ring 79 and the friction sleeve 77, the air pressure in the sealing cylinder 71 is adjusted by the deformation of the rubber pad 716 passing through the air exchange hole 715, so that the elastic potential energy of the spring 76 is released, and the body 1 tends to be stable after being impacted by external force.

[0029] Wherein, one end of the spring 76 is welded with the slide cylinder 73, and the other end of the spring 76 is welded with the sealing cylinder 71. By arranging the spring 76, the impact received by the body 1 is buffered.

[0030] The friction sleeve 77 is provided with a guide groove 711, the sealing cylinder 71 is provided with a limiting groove 712, and the guide groove 711 and the limiting groove 712 are jointly and slidably connected with a guide pin 710. The guide groove 711 and the limiting groove 712 guide the movement of the guide pin 710.

[0031] The support 713 is fixedly connected with an elastic rope 717, and the elastic rope 717 is fixedly connected with the rubber pad 716. The elastic rope 717 is arranged to connect the rubber pad 716.

[0032] The fixing mechanism 8 comprises a sliding groove 81, a connecting rod 82, a clamping block 83, a supporting rod 84, a blocking block 85, a compression spring 86, a containing groove 87, a limiting block 88, a connecting rod 89, a torsion spring 810, a blocking ring 811, a protruding block 812, a connecting plate 813 and an anti-skid block 814. The sliding groove 81 is arranged on the tire body 1, and the connecting rod 82 is slidably connected in the sliding groove 81. The clamping block 83 is welded on the connecting rod 82. The supporting rod 84 is fixedly connected to the tire body 1 and slidably connected with the connecting rod 82. The blocking block 85 is welded on the supporting rod 84 and in contact with the connecting rod 82. The compression spring 86 is arranged on the outer side of the supporting rod 84. The containing groove 87 is arranged in the tire body 1, and the limiting block 88 is slidably connected in the containing groove 87. The connecting rod 89 is welded on the limiting block 88 and slidably connected with the tire body 1. The torsion spring 810 is arranged on the outer side of the connecting rod 89. The blocking ring 811 is movably connected to the outer side of the connecting rod 89. One end of the torsion spring 810 is in contact with the limiting block 88, and the other end of the torsion spring 810 is in contact with the blocking ring 811. The protruding block 812 is welded on the blocking ring 811 and in contact with the tire body 1. The connecting plate 813 is fixedly connected to the connecting rod 89 and in contact with the tire body 1 and the connecting rod 82. When the tire body 1 is installed on the hub, the clamping block 83 limits the tire body 1 and the hub, and the connecting plate 813 limits the connecting rod 82, so that the installation of the tire body 1 and the hub is more stable.

[0033] One end of the compression spring 86 is welded to the connecting rod 82, and the other end of the compression spring 86 is bonded to the tire body 1. The compression spring 86 is arranged to facilitate the resetting of the connecting rod 82.

[0034] The anti-skid block 814 is bonded to the connecting plate 813 and slidably connected with the sliding groove 81. The anti-skid block 814 is arranged to limit the connecting plate 813.

[0035] The use state of the present application is: when installing, the connecting plate 813 is moved away from the tire body 1, so that the anti-skid block 814 and the sliding groove 81 are separated, so that the torsion spring 810 is compressed, the connecting plate 813 and the connecting rod 82 are separated, the tire body 1 is sleeved on the hub, in the process, the hub and the clamping block 83 are in contact, so that the hub slides on the clamping block 83, so that the clamping block 83 moves, the clamping block 83 moves so that the compression spring 86 is compressed, when the clamping block 83 passes through the hub edge, the compression spring 86 resets so that the clamping block 83 resets, so that the hub edge is clamped between the clamping blocks 83 in the tire body 1, then the connecting plate 813 is reset, so that the connecting plate 813 and the connecting rod 82 are in contact, the connecting rod 82 is limited, and the clamping block 83 is limited, the tire body 1 and the hub are limited by the clamping block 83, and the connecting rod 82 is limited by the connecting plate 813, so that the tire body 1 and the hub are more stable during installation, when the tire body 1 is impacted, the supporting pad 74 and the sealing cylinder 71 are away from each other, so that the sliding cylinder 73 moves into the sealing cylinder 71, so that the spring 76 is compressed, and the air in the sealing cylinder 71 is compressed, which buffers the impact force, in the process, the rubber ring 79 and the friction sleeve 77 slide relative to each other, the rubber pad 716 deforms through the air hole 715 to adjust the air pressure in the sealing cylinder 71, and then the elastic potential energy of the spring 76 is released, so that the tire body 1 tends to be stable after being impacted by external force, the strength of the tire body 1 can be strengthened by the steel wire curtain 2 and the tire body curtain 5, which can effectively strengthen the bead, adapt to the high load working environment of the engineering machinery radial tire, and prolong the service life of the tire.

[0036] The basic principles and main features of the present application are shown and described, and the advantages of the present application are shown and described, those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principles of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, which all fall within the scope of the present application, the scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A radial engineering machinery tire reinforcing bead comprising a carcass (1), a steel cord (2), a nylon cord (3), a rubber member (4), a carcass cord (5), a radial (6), a buffer mechanism (7), and a fixing mechanism (8), characterized in that: The carcass (1) is provided with a steel wire cord (2), both sides of the steel wire cord (2) are bonded with nylon cord (3), the steel wire cord (2) is bonded with rubber part (4), the rubber part (4) and nylon cord (3) are in contact, one layer of the nylon cord (3) is bonded with carcass cord (5), the other layer of the nylon cord (3) is bonded with the carcass (1), the carcass cord (5) is provided with meridian (6), the carcass (1) is provided with buffer mechanism (7), the carcass (1) is provided with fixing mechanism (8); The buffer mechanism (7) comprises a sealing cylinder (71), a sliding rod (72), a sliding cylinder (73), a supporting pad (74), an open slot (75), a spring (76), a friction sleeve (77), a supporting ring (78), a rubber ring (79), a guide pin (710), a guide groove (711), a limiting groove (712), a support (713), a guide rod (714), a ventilation hole (715), a rubber pad (716) and an elastic rope (717), the sealing cylinder (71) is bonded with the carcass (1), the sliding rod (72) is welded in the sealing cylinder (71), the outer side of the sliding rod (72) is slidably connected with the sliding cylinder (73), the supporting pad (74) is welded on the sliding cylinder (73), the supporting pad (74) is bonded with the carcass (1), the open slot (75) is arranged on the supporting pad (74) and the sealing cylinder (71), the outer side of the sliding rod (72) is provided with the spring (76), the friction sleeve (77) is fixedly sleeved in the sealing cylinder (71), the supporting ring (78) is fixedly sleeved on the outer side of the sliding cylinder (73), the rubber ring (79) is slidably connected with the outer side of the sliding cylinder (73), the rubber ring (79) is in contact with the supporting ring (78) and the friction sleeve (77), the guide pin (710) is arranged on the rubber ring (79), the support (713) is fixedly connected on the sealing cylinder (71), the guide rod (714) is welded on the support (713), the ventilation hole (715) is arranged on the sealing cylinder (71), the outer side of the guide rod (714) is slidably connected with the rubber pad (716), and the rubber pad (716) is in contact with the sealing cylinder (71).

2. An off-the-road radial tire reinforced bead according to claim 1, characterized in that: One end of the spring (76) is welded with the sliding cylinder (73), and the other end of the spring (76) is welded with the sealing cylinder (71).

3. An off-the-road radial tire reinforced bead according to claim 1, characterized in that: The guide groove (711) is arranged on the friction sleeve (77), and the limiting groove (712) is arranged in the sealing cylinder (71).

4. The off-the-road radial tire reinforced bead of claim 1 wherein: The support (713) is fixedly connected with the elastic rope (717), and the elastic rope (717) is fixedly connected with the rubber pad (716).

5. An off-the-road radial tire reinforced bead according to claim 1, characterized in that: The fixing mechanism (8) comprises a sliding groove (81), a connecting rod (82), a clamping block (83), a supporting rod (84), a stop block (85), a compression spring (86), a containing groove (87), a limiting block (88), a connecting rod (89), a torsion spring (810), a blocking ring (811), a protruding block (812), a connecting plate (813) and an anti-skid block (814), the sliding groove (81) is arranged on the tire body (1), the connecting rod (82) is slidably connected in the sliding groove (81), the clamping block (83) is welded on the connecting rod (82), the supporting rod (84) is fixedly connected on the tire body (1), the supporting rod (84) is slidably connected with the connecting rod (82), the stop block (85) is welded on the supporting rod (84), the stop block (85) is in contact with the connecting rod (82), the compression spring (86) is arranged outside the supporting rod (84), the containing groove (87) is arranged in the tire body (1), the limiting block (88) is slidably connected in the containing groove (87), the connecting rod (89) is welded on the limiting block (88), the connecting rod (89) is slidably connected with the tire body (1), the torsion spring (810) is arranged outside the connecting rod (89), the blocking ring (811) is movably connected outside the connecting rod (89), one end of the torsion spring (810) is in contact with the limiting block (88), the other end of the torsion spring (810) is in contact with the blocking ring (811), the protruding block (812) is welded on the blocking ring (811), the protruding block (812) is in contact with the tire body (1), the connecting plate (813) is fixedly connected on the connecting rod (89), the connecting plate (813) is in contact with the tire body (1), and the connecting plate (813) is in contact with the connecting rod (82).

6. An off-the-road radial tire reinforced bead according to claim 5, characterized in that: One end of the compression spring (86) is welded with the connecting rod (82), and the other end of the compression spring (86) is bonded with the tire body (1).

7. An off-the-road radial tire reinforced bead according to claim 5, characterized in that: The anti-skid block (814) is bonded on the connecting plate (813), and the anti-skid block (814) is slidably connected with the sliding groove (81).

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