CN218257571U

CN218257571U - Aircraft tire tread layered winding structure

Info

Publication number: CN218257571U
Application number: CN202221977118.6U
Authority: CN
Inventors: 田庆军; 马宪华
Original assignee: Fujian Hangtai Technology Co ltd
Current assignee: Fujian Hangtai Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-10
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses an aircraft tire tread layering winding structure relates to aircraft tire tread technical field. The utility model discloses an aircraft tire tread layering winding structure, including the matrix, the layering winding is equipped with air tight layer, cord layer, steel wire layer, nylon belt and buffer layer in the matrix, and the inboard zonulae occludens of matrix is equipped with wheel hub, and the side of matrix constitutes the tread body, and sunken being equipped with horizontal slot and vertical slot on the tread body, the tread body is equipped with the tire shoulder with the seam crossing of matrix, and the outer winding of tire shoulder is equipped with the rubber strip, and the up end extension of rubber strip is equipped with the strengthening rib. The utility model has the advantages of improve matrix wearing and tearing and shock-resistant ability, avoid the matrix aversion, prevent delaminating and swell phenomenon, avoid the foreign matter to prick into tread reduction life.

Description

Aircraft tire tread layered winding structure

Technical Field

The utility model relates to an aircraft tire tread technical field specifically is an aircraft tire tread layering winding arrangement.

Background

The aircraft tire is a very important landing part of an airplane and has the characteristics of large load, high speed, large deformation and high inflation internal pressure. Therefore, the aircraft tire must meet the conditions of impact resistance, puncture resistance, temperature rise resistance, and capability of withstanding the strong centrifugal force generated by the high-speed takeoff of the aircraft and the huge impact force at the moment of landing. Aircraft tires are classified into bias aircraft tires and radial aircraft tires.

The aircraft tire generally comprises a tread, a buffer layer, a tire body layer, a tire shoulder and an air-tight layer, and one of the key factors determining the use frequency of the aircraft tire is the tread. The good or bad phenomenon of delaminating and swell between the wall of a tyre and the matrix can effectively be avoided to the tread structure, can bring impact and wearing and tearing for the matrix when the tire falls to the ground, cause the aversion of matrix in order to prevent to strike with wearing and tearing, also in avoiding the tire to fall to the ground to prick the tire matrix with the foreign matter that contacts on the land on the tire simultaneously, the rainwater combines with the tread and causes the tire to corrode to reduce the life of tire, the improvement of aircraft tire tread structure is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft tire tread layering winding structure has improvement matrix wearing and tearing and shock-resistant ability, avoids the matrix to shift, prevents delaminating and swell phenomenon, avoids the foreign matter to prick into tread and reduces advantages such as life to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aircraft tire tread layering winding structure, includes the matrix, the layering winding is equipped with air-tight layer, cord layer, steel wire layer, nylon belted layer and buffer layer in the matrix, and the inboard zonulae occludens of matrix is equipped with wheel hub, and the side of matrix constitutes the tread body, and sunken being equipped with horizontal slot and vertical slot on the tread body, the seam crossing of tread body and matrix is equipped with the tire shoulder, and the outer winding of tire shoulder is equipped with the rubber strip, and the up end extension of rubber strip is equipped with the strengthening rib.

Preferably, the outer wall of the hub is tightly connected with the inner wall of the airtight layer, a bearing is arranged in the hub, a plurality of bolts are arranged on the surface of the bearing in an annular array mode, and a plurality of support columns are arranged outside the bearing in a reinforcing mode.

Preferably, the inner liner is positioned on the innermost layer of the tire body and consists of a butyl rubber layer, the thickness of the inner liner is 2-3 mm, the width of the inner liner is consistent with that of the hub, and the circumferential included angle between the inner liner and the tire body is 15-90 degrees.

Preferably, the cord layer is formed by bonding cord strips through triangular adhesive tapes, the width of the cord strips is mm, the thickness of the cord strips is 20-2.8 mm, the cord layer is tightly wound on the outer wall of the airtight layer, the width of the cord layer is larger than that of the airtight layer, and a circumferential included angle between the cord layer and the tire body is 15-90 degrees.

Preferably, the steel wire layer is formed by bonding steel wire groups through triangular adhesive tapes, each steel wire group is formed by 1-5 steel wires, the elongation of each steel wire is 2% -8%, if the number of the steel wires of each steel wire group is larger than 1, the distance between two adjacent circles of steel wires is 0.5-1.5 mm, the steel wire layer is tightly wound on the outer wall of the cord layer, the width of the steel wire layer is larger than that of the airtight layer, and the circumferential included angle between the steel wire layer and the tire body is 15-90 degrees.

Preferably, the nylon belt is formed by bonding nylon fibers through a triangular adhesive tape, the radial included angle between the nylon fibers and the tire body is 70-80 degrees in cross winding, the nylon belt is tightly wound on the outer wall of the steel wire layer, the width of the nylon belt is greater than that of the steel wire layer, and the circumferential included angle between the nylon belt and the tire body is 15-90 degrees.

Preferably, the buffer layer comprises the rubber air cushion, and the buffer layer is located the outmost of matrix, and the buffer layer closely twines the outer wall on nylon belt layer, the outer wall of buffer layer and the inner wall zonulae occludens of tread body, and the width of buffer layer keeps unanimous with the width of tread body, and the circumference contained angle of buffer layer and matrix is less than or equal to 1.

Preferably, the number of the transverse grooves is two, the cylindrical primary rubber blocks are arranged in the transverse grooves at equal intervals, the longitudinal grooves are arranged in the outer sides of the transverse grooves at equal intervals, and the semicircular secondary rubber blocks are arranged on the left inner wall and the right inner wall of the longitudinal grooves in a protruding mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the aircraft tire tread layered winding structure improves the surface wear resistance and the impact resistance of a tread body through the combined action of the multilayer winding structure of the airtight layer, the cord layer, the steel wire layer, the nylon belt layer and the buffer layer; the nylon fiber, the steel wire group and the cord fabric strip are tightly bonded together through the triangular adhesive tape, so that the displacement of a tire body is avoided; the phenomena of delaminating and bulging at the tire body and the tire side are prevented through the action of the reinforcing ribs and the rubber strips at the tire shoulders; the transverse grooves and the longitudinal grooves are designed to enable rainwater to be discharged more conveniently; the design of the first-stage rubber block and the second-stage rubber block can prevent external foreign matters from being pricked into the tire body through the transverse grooves and the longitudinal grooves, and the service life of the tire body is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1A of the present invention;

FIG. 3 is a cross-sectional view of the carcass structure of the present invention;

fig. 4 is an enlarged view of fig. 3B of the present invention;

fig. 5 is an internal component view of the carcass of the present invention.

In the figure: 1. a carcass; 11. an airtight layer; 12. a cord layer; 13. a steel wire layer; 14. a nylon belt ply; 15. a buffer layer; 16. a rubber air cushion; 17. nylon fibers; 18. a steel wire group; 19. a cord fabric strip; 110. a butyl rubber layer; 111. a triangular adhesive tape; 2. a hub; 3. a bolt; 4. tire shoulders; 5. reinforcing ribs; 6. a tread body; 61. a lateral trench; 62. a longitudinal groove; 63. a first-stage rubber block; 64. and a secondary rubber block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the technical problem of carcass displacement caused by delamination and bulging, impact and abrasion between the sidewalls and the carcass, please refer to fig. 1, 3-5, the embodiment provides the following technical solutions:

the utility model provides an aircraft tire tread layering winding structure, including matrix 1, matrix 1 internal layering winding is equipped with air tight layer 11, cord layer 12, steel wire layer 13, nylon belted layer 14 and buffer layer 15, matrix 1's inboard zonulae occludens is equipped with wheel hub 2, wheel hub 2's outer wall and air tight layer 11's inner wall zonulae occludens, be equipped with the bearing in wheel hub 2, bearing surface annular array is equipped with a plurality of bolts 3, the bearing is strengthened outward and is equipped with a plurality of support columns, matrix 1's side constitutes tread body 6, tread body 6 is equipped with tire shoulder 4 with matrix 1's seam department, the outer winding of tire shoulder 4 is equipped with the rubber strip, the up end extension of rubber strip is equipped with strengthening rib 5.

The inner liner 11 is positioned on the innermost layer of the tire body 1, the inner liner 11 is composed of a butyl rubber layer 110, the thickness of the inner liner 11 is 2-3 mm, the width of the inner liner 11 is consistent with the width of the hub 2, and the circumferential included angle between the inner liner 11 and the tire body 1 is 15-90 degrees.

The cord layer 12 is formed by bonding cord strips 19 through triangular adhesive tapes 111, the width of the cord strips 19 is 20mm, the thickness of the cord strips 19 is 2.0-2.8 mm, the cord layer 12 is tightly wound on the outer wall of the airtight layer 11, the width of the cord layer 12 is larger than that of the airtight layer 11, and the circumferential included angle between the cord layer 12 and the tire body 1 is 15-90 degrees.

The steel wire layer 13 is formed by bonding steel wire groups 18 through a triangular rubber strip 111, the steel wire groups 18 are formed by 1-5 steel wires, the elongation of the steel wires is 2% -8%, if the number of the steel wires of each steel wire group 18 is larger than 1, the distance between two adjacent circles of steel wires is 0.5-1.5 mm, the steel wire layer 13 is tightly wound on the outer wall of the cord layer 12, the width of the steel wire layer 13 is larger than that of the airtight layer 11, and the circumferential included angle between the steel wire layer 13 and the cord body 1 is 15-90 degrees.

The nylon belted layer 14 is formed by bonding nylon fibers 17 through a triangular adhesive tape 111, the radial included angle between the nylon fibers 17 and the tire body 1 is 70-80 degrees in a crossed winding mode, the nylon belted layer 14 is tightly wound on the outer wall of the steel wire layer 13, the width of the nylon belted layer 14 is larger than that of the steel wire layer 13, and the circumferential included angle between the nylon belted layer 14 and the tire body 1 is 15-90 degrees.

Buffer layer 15 comprises rubber air cushion 16, and buffer layer 15 is located the outmost of matrix 1, and buffer layer 15 closely twines the outer wall of layer 14 is restrainted to nylon belt, and buffer layer 15's outer wall and tread body 6's inner wall zonulae occludens, and buffer layer 15's width keeps unanimous with tread body 6's width, and buffer layer 15 is less than or equal to 1 with matrix 1's circumference contained angle.

Specifically, the rubber strips are tightly connected at the joint of the tire tread body 6 and the tire body 1 through the design of the rubber strips wound outside the tire shoulder 4 and the reinforcing ribs 5, so that the phenomena of bulging and delamination are avoided, meanwhile, the tire body 1 is tightly fixed on the outer side of the tire tread body 6 through the design of the reinforcing ribs 5, the tire body 1 is prevented from being influenced by stress due to the fact that colloid materials in the tire body 1 generate high temperature due to friction, the tire body 1 expands, displacement is generated between the tire body 1 and the tire tread body 6, and the service life of the tire body 1 is shortened; the inner structure of the tire body 1 is more compact due to the multi-layer winding of the airtight layer 11, the cord layer 12, the steel wire layer 13, the nylon belt ply 14 and the buffer layer 15, the airtight layer 11 improves the air tightness of the tire body 1 and prevents the tire body 1 from leaking air, the cord layer 12, the steel wire layer 13, the nylon belt ply 14 and the buffer layer 15 all increase the connection compactness of the tire body 1 and improve the impact resistance of the tire body 1, and the nylon fibers 17, the steel wire group 18 and the cord fabric strips 19 increase the compression resistance, the stability and the fatigue resistance of the tire body 1; the buffer layer 15 improves the wear resistance of the tire body 1, the buffer layer 15 is composed of the rubber cushion 16, the material of the rubber cushion 16 has good wear resistance, the surface of the rubber cushion is smooth, and when the tire body 1 falls on the ground, the rubber cushion 16 can also generate buffer, so that the wear resistance is further improved.

In order to solve the technical problem that the service life of a tire is shortened due to the fact that the tire is punctured by foreign matters contacting with the land and rainwater is combined with the tread, the technical problem that the service life of the tire is shortened is solved, please refer to fig. 2, and the embodiment provides the following technical scheme:

the tread body 6 is concavely provided with two transverse grooves 61 and two longitudinal grooves 62, the inner of the transverse grooves 61 is equidistantly provided with cylindrical primary rubber blocks 63, the outer of the transverse grooves 61 is equidistantly provided with the longitudinal grooves 62, and the left inner wall and the right inner wall of the longitudinal grooves 62 are convexly provided with semicircular secondary rubber blocks 64.

Specifically, when rainwater falls on the tread body 6 through the design of the transverse groove 61 and the longitudinal groove 62, the rainwater firstly enters the transverse groove 61 and the longitudinal groove 62 and then is discharged through the transverse groove 61 and the longitudinal groove 62, so that the rainwater is prevented from being corroded due to combination with the tread body 6, and meanwhile, when foreign matters are pricked into the transverse groove 61 and the longitudinal groove 62, the design of the primary rubber block 63 and the secondary rubber block 64 generates extrusion elastic force to prevent the foreign matters from entering the transverse groove 61 and the longitudinal groove 62, so that the prick resistance of the tire body 1 is improved.

The working principle is as follows: the aircraft tire tread layered winding structure comprises the steps that an inner liner 11 composed of a butyl rubber layer 110 is wound on the outer side of a hub 2, the thickness of the inner liner 11 is 2-3 mm, then a cord layer 12 formed by bonding cord fabric strips 19 through a triangular rubber strip 111 is wound on the outer side of the inner liner 11, the width of the cord fabric strips 19 is 20mm, the thickness of the cord fabric strips 19 is 2.0-2.8 mm, a steel wire layer 13 formed by bonding steel wire groups 18 through the triangular rubber strip 111 is wound on the outer side of the cord layer 12, the steel wire groups 18 are formed by 1-5 steel wires, the elongation of the steel wires is 2% -8%, if the number of the steel wires of each steel wire group 18 is larger than 1, the distance between two adjacent steel wires is 0.5-1.5 mm, a nylon belt ply 14 formed by bonding nylon fibers 17 through the triangular rubber strip 111 is wound on the outer side of the steel wire layer 13, the nylon fibers 17 and a tire body 1 are radially wound in a 70-80-degree angle, and then an air cushion layer 16 composed of rubber is wound on the outer side of the nylon belt ply 14. The width of each layer is gradually increased, the circumferential included angle between the air-tight layer 11, the cord layer 12, the steel wire layer 13, the nylon belted layer 14 and the tire body 1 is 15-90 degrees, the circumferential included angle between the buffer layer 15 and the tire body 1 is smaller than or equal to 1 degree, finally, a transverse groove 61 and a longitudinal groove 62 are arranged outside the buffer layer 15, and a primary rubber block 63 and a secondary rubber block 64 are arranged in the transverse groove 61 and the longitudinal groove 62 to improve the tread structure of the aircraft tire.

In summary, the following steps: according to the aircraft tire tread layered winding structure, the surface wear resistance and the impact resistance of the tread body 6 are improved through the combined action of the multilayer winding structure of the airtight layer 11, the cord layer 12, the steel wire layer 13, the nylon belt ply layer 14 and the buffer layer 15; the nylon fiber 17, the steel wire group 18 and the cord fabric strip 19 are tightly bonded together through the triangular adhesive tape 111, so that the displacement of the tire body 1 is avoided; the phenomena of delaminating and bulging at the tyre body 1 and the tyre side are prevented through the action of the rubber strips at the reinforcing ribs 5 and the tyre shoulder 4; the transverse grooves 61 and the longitudinal grooves 62 are designed to facilitate rainwater drainage; the design of the primary rubber block 63 and the secondary rubber block 64 can prevent external foreign matters from penetrating into the tire body 1 through the transverse grooves 61 and the longitudinal grooves 62, and the service life of the tire body 1 is prolonged.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An aircraft tire tread layered winding structure comprises a tire body (1), and is characterized in that: the tyre is characterized in that an airtight layer (11), a cord layer (12), a steel wire layer (13), a nylon belt layer (14) and a buffer layer (15) are wound in the tyre body (1) in a layering mode, the inner side of the tyre body (1) is tightly connected with a wheel hub (2), the side end of the tyre body (1) forms a tyre tread body (6), a transverse groove (61) and a longitudinal groove (62) are arranged on the tyre tread body (6) in a sunken mode, a tyre shoulder (4) is arranged at the joint of the tyre tread body (6) and the tyre body (1), a rubber strip is wound outside the tyre shoulder (4), and a reinforcing rib (5) is arranged on the upper end face of the rubber strip in an extending mode.

2. The aircraft tire tread layered winding structure of claim 1, wherein: the outer wall of the hub (2) is tightly connected with the inner wall of the airtight layer (11), a bearing is arranged in the hub (2), a plurality of bolts (3) are arranged on the surface of the bearing in an annular array mode, and a plurality of supporting columns are arranged outside the bearing in an enhanced mode.

3. An aircraft tire tread layered winding structure as in claim 2, wherein: the inner liner (11) is located on the innermost layer of the tire body (1), the inner liner (11) is composed of a butyl rubber layer (110), the thickness of the inner liner (11) is 2-3 mm, the width of the inner liner (11) is consistent with that of the hub (2), and a circumferential included angle between the inner liner (11) and the tire body (1) is 15-90 degrees.

4. The aircraft tire tread layered winding structure of claim 1, wherein: the cord layer (12) is formed by bonding cord strips (19) through triangular adhesive tapes (111), the width of the cord strips (19) is 20mm, the thickness of the cord strips (19) is 2.0-2.8 mm, the cord layer (12) is tightly wound on the outer wall of the airtight layer (11), the width of the cord layer (12) is larger than that of the airtight layer (11), and the circumferential included angle between the cord layer (12) and the tire body (1) is 15-90 degrees.

5. The aircraft tire tread layered winding structure of claim 1, wherein: the steel wire layer (13) is formed by bonding steel wire groups (18) through triangular adhesive tapes (111), each steel wire group (18) is formed by 1-5 steel wires, the elongation of each steel wire is 2% -8%, if the number of the steel wires of each steel wire group (18) is larger than 1, the distance between every two adjacent steel wires is 0.5-1.5 mm, the steel wire layer (13) is tightly wound on the outer wall of the cord layer (12), the width of the steel wire layer (13) is larger than that of the airtight layer (11), and the circumferential included angle between the steel wire layer (13) and the tire body (1) is 15-90 degrees.

6. The aircraft tire tread layered winding structure of claim 1, wherein: the nylon belted layer (14) is formed by bonding nylon fibers (17) through a triangular adhesive tape (111), the radial included angle between the nylon fibers (17) and the tire body (1) is 70-80 degrees in a crossed winding mode, the nylon belted layer (14) is tightly wound on the outer wall of the steel wire layer (13), the width of the nylon belted layer (14) is larger than that of the steel wire layer (13), and the circumferential included angle between the nylon belted layer (14) and the tire body (1) is 15-90 degrees.

7. The aircraft tire tread layered winding structure of claim 1, wherein: buffer layer (15) comprise rubber air cushion (16), and buffer layer (15) are located the outmost of matrix (1), and buffer layer (15) twine closely the outer wall of nylon belted layer (14), the outer wall of buffer layer (15) and the inner wall zonulae occludens of tread body (6), and the width of buffer layer (15) keeps unanimous with the width of tread body (6), and the circumference contained angle of buffer layer (15) and matrix (1) is less than or equal to 1.

8. The aircraft tire tread layered winding structure of claim 1, wherein: the quantity of horizontal slot (61) has two, and the interior equidistance of horizontal slot (61) is equipped with cylindricality one-level block rubber (63), and the outside equidistance of horizontal slot (61) is equipped with vertical slot (62), and the inner wall protrusion is equipped with semi-circular second grade block rubber (64) about vertical slot (62).