CN210741869U

CN210741869U - Tire supporting device

Info

Publication number: CN210741869U
Application number: CN201922005883.6U
Authority: CN
Inventors: 刘大猛; 全丽平; 庞华; 齐同
Original assignee: Tsinghua University; Tianjin Institute of Advanced Equipment of Tsinghua University
Current assignee: Tsinghua University; Tianjin Institute of Advanced Equipment of Tsinghua University
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-06-12
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a tire detects technical field, discloses a tire strutting arrangement. The tire supporting device includes: a frame; the first driving piece is arranged on the rack; the rotating main shaft is arranged on the rack along the central axis direction of the tire to be tested, and the first driving piece drives the rotating main shaft to rotate relative to the rack; the expansion and contraction assembly is arranged at one end of the rotating main shaft and is suspended outside the rack, the tire to be tested can be sleeved on the expansion and contraction assembly, and the expansion and contraction assembly is configured to be capable of expanding and holding or loosening the tire to be tested. The utility model discloses a tire strutting arrangement is when detecting the tire for support the tire, can realize automatic centre gripping and loosen the tire, can drive the tire rotation in the simultaneous testing process.

Description

Tire supporting device

Technical Field

The utility model relates to a tire detects technical field, especially relates to a tire strutting arrangement.

Background

The rubber tire internally comprises a plurality of cord layers made of non-conductive nylon materials, the depth of each cord layer is about 10mm, the thickness of the rubber tire and the depth of each cord layer are all irregularly changed, and qualified tire products require that the center line of the whole cord layer area deviated from the tire section is not more than 10 mm.

The tire with the cord line deviated can generate the condition of uneven stress in the normal use process, thereby further aggravating the abrasion of the tire and influencing the service life of the tire. In the non-destructive testing mode, the tire to be tested can be supported and clamped and fixed when the structure of the cord ply area inside the tire is tested. Meanwhile, each tire requires to detect at least two sections, so that the tire to be detected can rotate according to actual needs.

Therefore, it is desirable to provide a tire support device that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tire strutting arrangement when detecting the tire for support the tire, can realize automatic centre gripping and loosen the tire, can drive the tire rotation in the simultaneous testing process.

To achieve the purpose, the utility model adopts the following technical proposal:

there is provided a tire support device comprising:

a frame;

the first driving piece is arranged on the rack;

the rotating main shaft is arranged on the rack along the central axis direction of the tire to be tested, and the first driving piece drives the rotating main shaft to rotate relative to the rack;

the expansion and contraction assembly is arranged at one end of the rotating main shaft and is suspended outside the rack, the tire to be tested can be sleeved on the expansion and contraction assembly, and the expansion and contraction assembly is configured to be capable of expanding and holding or loosening the tire to be tested.

Preferably, the expansion assembly comprises:

the side plate is arranged on the rotating main shaft and can synchronously rotate along with the rotating main shaft;

the second driving piece is arranged on the side plate, the gland pushing disc assembly is sleeved on the rotating main shaft, and the second driving piece drives the gland pushing disc assembly to slide in a reciprocating manner along the axial direction of the rotating main shaft;

the sliding plate assembly is uniformly distributed along the circumferential direction of the rotating main shaft, and the gland pushing disc assembly drives the sliding plate assembly to slide along the radial direction of the rotating main shaft in a reciprocating mode and is used for expanding and holding or loosening the tire to be tested.

Preferably, the gland pushing plate assembly comprises:

the gland is sleeved on the rotating main shaft;

the pushing disc is detachably connected to the gland, and the pushing disc is connected to the sliding plate assembly in a rolling mode.

Preferably, the slide plate assembly includes:

the sliding plates are uniformly distributed along the circumferential direction of the rotating main shaft;

an installation shaft disposed on the sliding plate and far away from one end of the rotating main shaft, wherein the installation shaft is configured to support the tire to be tested.

Preferably, the slide plate assembly further comprises a cushion block arranged at one end of the slide plate far away from the rotating main shaft, and the mounting shaft is arranged at the opposite end of the slide plate connected with the cushion block.

Preferably, the side plates include an inner side plate and an outer side plate which are oppositely arranged, the inner side plate is sleeved on the rotating main shaft, the outer side plate is fixed at the end of the rotating main shaft, and the second driving piece is detachably connected to the inner side plate.

Preferably, a baffle is arranged at one end of the mounting shaft close to the inner side plate, and the baffle is configured to axially position the tire to be tested.

Preferably, the expansion and contraction assembly further comprises a rolling wheel arranged on the push disc, a guide groove is correspondingly formed in the sliding plate, and when the push disc moves along the axial direction of the rotating main shaft, the rolling wheel moves along the guide groove to drive the sliding plate to reciprocate along the radial direction of the rotating main shaft.

Preferably, the guide groove is inclined upward in a direction from the inner side plate to the outer side plate.

Preferably, a guiding sliding assembly is arranged between the sliding plate and the inner side plate and between the sliding plate and the outer side plate, and the guiding sliding assembly provides guidance for the sliding plate to move along the rotation main shaft along the radial direction.

The utility model has the advantages that: the utility model discloses in hold or loosen the tire that awaits measuring through the breathing subassembly bloatedly to realize the automatic centre gripping and the automatic loosening of the tire that awaits measuring, make things convenient for operating personnel or manipulator to get and put the tire. Simultaneously, first driving piece drive rotation main shaft, and then drive the synchronous rotation of the breathing subassembly above that, when making the detection tire, can be according to actual need rotatory tire.

Drawings

Fig. 1 is a schematic view of a section of a tire under test according to the present invention;

FIG. 2 is a schematic structural view of the tire support apparatus of the present invention;

fig. 3 is a schematic structural diagram of the expansion and contraction assembly and the rotating main shaft of the present invention.

In the figure:

1. a frame;

2. a tire support device; 21. a first driving member; 22. rotating the main shaft;

23. an expansion and contraction component; 231. a side plate; 2311. an inner side plate; 2312. an outer panel; 232. a second driving member; 233. a gland pushing plate component; 2331. a gland; 2332. pushing the disc; 234. a sled assembly; 2341. a slide plate; 23411. a guide groove; 2342. installing a shaft; 2343. cushion blocks; 2344. a protective sleeve; 2345. a baffle plate; 235. a rolling wheel;

24. a bushing; 25. a guide slide assembly; 26. a belt pulley assembly; 27. and (4) supporting the base.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, fig. 1 is a schematic view of a cross section of a tire to be tested. The area a formed with a white point in the figure is a cord layer area inside the tire to be tested, which is a detection cord layer area, and the offset distance between the position of the cord layer area and the central axis of the cross section of the tire to be tested, i.e., the position of the center line in fig. 1.

As shown in fig. 2, in order to enable the tire supporting device 2 to tighten and drive the tire to be tested to rotate during the process of testing the tire to be tested, the tire supporting device 2 includes a first driving member 21, a rotating main shaft 22 and an expansion and contraction assembly 23. Wherein, the first driving member 21 is disposed on the frame 1. Specifically, in the present embodiment, the first driving member 21 is disposed at the top of the frame 1, and the first driving member 21 is a motor. The first driving member 21 drives the rotation main shaft 22 to rotate relative to the frame 1 via the belt pulley assembly 26, i.e. the rotation main shaft 22 rotates in the Z-direction. The top of the frame 1 is further provided with two supporting seats 27 spaced along the Z-direction for supporting the rotation of the rotating main shaft 22. One end of the rotating main shaft 22 extends out of the casing, the expansion and contraction assembly 23 is arranged at the end of the rotating main shaft 22, the other end of the rotating main shaft 22 is provided with a balancing weight, when a tire to be tested is tested, the expansion and contraction assembly 23 is sleeved on the tire to be tested, and the expansion and contraction assembly 23 is configured to expand and hold or loosen the tire to be tested. The balancing weight is used for balancing the expansion and contraction component 23 on the rotating main shaft 22 and the tire to be tested.

As shown in fig. 3, the expansion and contraction assembly 23 includes a side plate 231, a second driving member 232, a gland pushing plate assembly 233 and a sliding plate assembly 234. The side plate 231 is disposed on the rotating main shaft 22 and rotates synchronously with the rotating main shaft 22. The second driving member 232 is disposed on the side plate 231, the gland pushing plate assembly 233 is sleeved on the rotating main shaft 22, and the second driving member 232 drives the gland pushing plate assembly 233 to slide along the axial direction of the rotating main shaft 22. Specifically, in this embodiment, the side plate 231 includes an inner side plate 2311 and an outer side plate 2312, the inner side plate 2311 is sleeved on the rotating main shaft 22, and the outer side plate 2312 is detachably connected to an end of the rotating main shaft 22, and the two are axially spaced by a preset distance. The second driving member 232 is disposed on the inner side plate 2311, and the second driving member 232 is an air cylinder. The number of the second driving members 232 is at least one, and in this embodiment, two second driving members 232 are provided at an interval of 180 °.

The sliding plate assemblies 234 are connected to the gland pushing disk assemblies 233, the sliding plate assemblies 234 are four groups and are uniformly distributed along the circumferential direction of the rotating main shaft 22, and the gland pushing disk assemblies 233 drive the sliding plate assemblies 234 to reciprocate along the radial direction of the rotating main shaft 22 in the process of reciprocating sliding along the central axis direction of the rotating main shaft 22. Specifically, the tire to be tested is sleeved on the sliding plate component 234, and the sliding plate component 234 radially extends or contracts, so that the tire to be tested is expanded or loosened. Specifically, the gland plate assembly 233 includes a gland plate 2331 and a plate 2332, the gland plate 2331 is sleeved on the rotating spindle 22, and a bushing 24 is disposed between the gland plate 2331 and the rotating spindle 22 to provide guidance for the gland plate 2331 to move in the Z direction, and meanwhile, the bushing 24 is wear-resistant to ensure the smoothness of the sliding of the gland plate 2331. The above bushing 24 is an oilless bushing 24. Push plate 2332 is detachable from gland 2331, push plate 2332 is rollingly connected to slide plate assembly 234, and slide plate assembly 234 is pushed to reciprocate in a radial direction by push plate 2332 while gland 2331 and push plate 2332 are simultaneously slid along the Z-axis.

More specifically, the sliding plate assembly 234 is located between the inner side plate 2311 and the outer side plate 2312, and the sliding plate assembly 234 includes sliding plates 2341, a cushion block 2343 and a mounting shaft 2342, wherein the sliding plates 2341 are uniformly distributed along the circumferential direction of the rotating main shaft 22, and the sliding plates 2341 can slide back and forth along the radial direction of the rotating main shaft 22. In this embodiment, there are four sliders 2341. The push plate 2332 is provided with a rolling wheel 235, and the slide plate 2341 is correspondingly provided with a guide groove 23411. When the push plate 2332 is slid back and forth in the Z direction, the slide plate 2341 is driven to reciprocate in the radial direction of the rotation main shaft 22 by the rolling wheel 235 moving along the guide groove 23411, whereby the axial movement of the push plate 2332 is converted into the radial movement of the slide plate 2341. In this embodiment, since the second driving member 232 is disposed on the inner plate 2311, the guide slot 23411 of the sliding plate 2341 is disposed obliquely upward in the direction from the inner plate 2311 to the outer plate 2312.

To ensure the accuracy of the movement of the sliding plate 2341 in the radial direction of the main rotation shaft 22, a guide sliding assembly 25 is provided between each sliding plate 2341 and the inner and

outer side plates

2311 and 2312. Preferably, the guided slide assembly 25 is a sliding rail slide assembly. It is further preferred that sled assembly 234 further includes a head block 2343 and a mounting shaft 2342, wherein each sled 2341 is provided with a head block 2343 at an end remote from rotating spindle 22. The end of the spacer 2343 remote from the rotating spindle 22 is provided with a mounting shaft 2342, and the mounting shaft 2342 is configured to support a tire to be tested. Through the joint strength of cushion 2343 reinforcing installation axle 2342 to the increase supports the intensity of the tire that awaits measuring, the overall arrangement sets up reinforcing structure simultaneously, can also reduction in production cost.

Further preferably, in order to protect the tire to be tested from secondary damage during the testing process, a protective sleeve 2344 is further disposed on the mounting shaft 2342. The protective sleeve 2344 in the implementation is made of nylon, the nylon is easy to process, and the cost is low. When testing a tire to be tested, a baffle 2345 is disposed at one end of the mounting shaft 2342 close to the inner side plate 2311, in order to axially position the tire to be tested. The baffle 2345 is made of nylon or rubber. When detecting the tire that awaits measuring, when the tire that awaits measuring is by the centre gripping, the internal diameter face of the tire that awaits measuring and the protective sheath 2344 direct contact of nylon material, the terminal surface of the tire that awaits measuring and the baffle 2345 contact of nylon material, the contact surface of the tire that awaits measuring can be protected to the nylon material, avoids detection device to cause the secondary injury to the tire that awaits measuring.

In other embodiments, the second driving member 232 may be disposed on the outer plate 2312 or other fixing members, as long as the pushing of the gland pushing tray assembly 233 along the Z direction is ensured.

After the tire to be tested is sleeved on the tire supporting device 2, the first driving member 21 drives the tire supporting device 2 and the tire to be tested to rotate together through the rotating main shaft 22, so as to be tested.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A tire support apparatus, comprising:

a frame (1);

a first driving member (21) arranged on the frame (1);

the rotating main shaft (22) is arranged on the rack (1) along the central axis direction of the tire to be tested, and the first driving piece (21) drives the rotating main shaft (22) to rotate relative to the rack (1);

and the expansion and contraction assembly (23) is arranged at one end of the rotating main shaft (22) and is suspended outside the rack (1), the tire to be tested can be sleeved on the expansion and contraction assembly (23), and the expansion and contraction assembly (23) is configured to be capable of expanding and holding or loosening the tire to be tested.

2. A tyre supporting device as claimed in claim 1, wherein the expansion and contraction assembly (23) comprises:

a side plate (231) which is arranged on the rotating main shaft (22) and can synchronously rotate along with the rotating main shaft (22);

the gland pushing plate assembly comprises a second driving piece (232) and a gland pushing plate assembly (233), the second driving piece (232) is arranged on the side plate (231), the gland pushing plate assembly (233) is sleeved on the rotating main shaft (22), and the second driving piece (232) drives the gland pushing plate assembly (233) to slide in a reciprocating mode along the axial direction of the rotating main shaft (22);

the sliding plate assembly (234) is uniformly distributed along the circumferential direction of the rotating main shaft (22), and the gland pushing disc assembly (233) drives the sliding plate assembly (234) to slide along the radial direction of the rotating main shaft (22) in a reciprocating mode and is used for expanding or loosening the tire to be tested.

3. The tire support apparatus of claim 2, wherein the gland pusher plate assembly (233) comprises:

a gland (2331) sleeved on the rotating main shaft (22);

a push plate (2332) detachably connected to the gland (2331), the push plate (2332) being roll-connected to the sled assembly (234).

4. A tire support apparatus as in claim 3, wherein the sled assembly (234) comprises:

the sliding plates (2341) are uniformly distributed along the circumferential direction of the rotating main shaft (22);

a mounting shaft (2342) disposed on the end of the sliding plate (2341) remote from the rotating spindle (22), the mounting shaft (2342) being configured to support the tire to be tested.

5. A tire support apparatus as in claim 4, wherein said sled assembly (234) further comprises a spacer block (2343) disposed on an end of said sled (2341) distal from said rotational axis (22), said mounting shaft (2342) being disposed on an opposite end of said spacer block (2343) from said sled (2341).

6. The tire support apparatus of claim 4, wherein the side plate (231) comprises an inner side plate (2311) and an outer side plate (2312) which are oppositely arranged, the inner side plate (2311) is sleeved on the rotating main shaft (22), the outer side plate (2312) is fixed at the end of the rotating main shaft (22), and the second driving member (232) is detachably connected to the inner side plate (2311).

7. A tyre supporting arrangement as claimed in claim 6, wherein an end of the mounting shaft (2342) adjacent the inner plate (2311) is provided with a blocking plate (2345), the blocking plate (2345) being configured to axially locate the tyre being tested.

8. The tire supporting device according to claim 6, wherein the expansion and contraction assembly (23) further comprises a rolling wheel (235) disposed on the push plate (2332), the sliding plate (2341) is correspondingly provided with a guide slot (23411), and when the push plate (2332) moves along the axial direction of the rotating main shaft (22), the rolling wheel (235) moves along the guide slot (23411) to drive the sliding plate (2341) to reciprocate along the radial direction of the rotating main shaft (22).

9. A tyre supporting apparatus as claimed in claim 8, wherein said guiding slot (23411) is arranged obliquely upwards in a direction from said inner plate (2311) to said outer plate (2312).

10. A tyre supporting arrangement according to claim 6, characterized in that a guiding slide assembly (25) is provided between the sledge (2341) and the inner side plate (2311) and the outer side plate (2312), said guiding slide assembly (25) providing a guide for the radial movement of the sledge (2341) along the main axis of rotation (22).