CN113954574A - Insulating wheel and vehicle with same - Google Patents

Abstract

The invention discloses an insulated wheel, comprising: the wheel body and the wheel core are coaxially arranged, the wheel body is sleeved on the periphery of the wheel core, the insulating part is arranged between the wheel body and the wheel core, the fixing part is arranged between the insulating part and the wheel body, and the limiting part is arranged on the end face of the wheel body so as to limit the axial movement of the fixing part together with the wheel body. The insulating wheel provided by the application has the advantages of simple structure, small number of insulating parts, low assembly difficulty and low production cost, and the insulating parts are not directly connected with the wheel core and the wheel body of the wheel, so that the bearing capacity of the insulating parts is improved; the axial position of the fixing piece is limited by the limiting piece and the wheel body together, the axial position of the insulating piece is limited by the fixing piece and the wheel core, the wheel core is prevented from being separated from the insulating piece, and the insulating piece is prevented from being damaged.

Description

Insulating wheel and vehicle with same

Technical Field

The invention relates to the technical field of railway engineering machinery, in particular to an insulated wheel. Furthermore, the invention also relates to a vehicle comprising the insulated wheel.

Background

The rail running of the rail-road vehicle is realized by the contact of wheels and rails, and at present, the wheels are basically made of steel materials which have good conductivity. In special cases, such as when a combined car is used in a work area, the rails are required to be insulated from the car body, and the use of insulated wheels is the best way to insulate.

The existing insulated wheel is provided with an insulated bushing between a bearing inner ring and an axle, and meanwhile, an insulated pressing sheet is arranged between two sides of a bearing and an axle stopping step to realize insulation. In addition, the insulation wheel comprises a wheel body and an insulation shaft sleeve, the insulation shaft sleeve is connected with the wheel body through a bolt, the bearing is directly arranged on the insulation shaft sleeve, and the bearing is directly arranged on the insulation shaft sleeve in the mode, so that the bearing is limited, and the insulation wheel is easy to wear and damage.

The wheel comprises a rim and an insulating rim lining, the rim and the insulating rim lining are bonded through a bonding agent, the rim and a lining contact surface are in plane contact, large axial force cannot be applied, a stop is not arranged, the possibility that the rim and the lining are separated can be generated once the bonding agent fails, great potential safety hazards exist, the lining is directly contacted with an axle, the strength of the insulating lining is insufficient, and the rim and the insulating rim lining are easy to realize and wear.

In summary, how to solve the problems of complex structure, high cost and easy damage of the wheel assembly with the insulating structure is a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the present invention provides an insulated wheel, which has a simple structure, a low cost and is not easy to damage.

In order to achieve the above purpose, the invention provides the following technical scheme:

an insulated vehicle wheel, comprising: the wheel body with wheel core coaxial arrangement just the wheel body suit in the periphery of wheel core, the insulating part set up in the wheel body with between the wheel core, the mounting set up in the insulating part with between the wheel body, the locating part set up in the terminal surface of wheel body, with the wheel body restricts jointly the mounting axial motion.

Preferably, the outer periphery of the wheel core is a wavy peripheral surface, the insulator is a wavy insulator matched with the outer periphery of the wheel core, and the inner peripheral surface of the fixing piece facing the insulator is a wavy surface matched with the outer peripheral surface of the insulator.

Preferably, the wheel body, the wheel core and the fixing piece are all steel structural members.

Preferably, the wheel body comprises a tread, a wheel shoulder and a shoulder, and the shoulder is arranged on the inner periphery of the outer end of the wheel body.

Preferably, the limiting part is an annular baffle plate, and the annular baffle plate is detachably arranged on the inner end surface of the wheel body.

Preferably, the annular retaining plate is connected to the wheel body by bolts.

A vehicle comprises a vehicle body and wheels arranged at the bottom of the vehicle body, wherein the wheels are the insulated wheels.

The insulating wheel provided by the application has the advantages of simple structure, small number of insulating parts, low assembly difficulty and low production cost, and the insulating parts are not directly connected with the wheel core and the wheel body of the wheel, so that the bearing capacity of the insulating parts is improved; the axial position of the fixing piece is limited by the limiting piece and the wheel body together, the axial position of the insulating piece is limited by the fixing piece and the wheel core, the wheel core is prevented from being separated from the insulating piece, and the insulating piece is prevented from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a cross-sectional view of an insulated vehicle wheel provided by the present invention;

FIG. 2 is a side view of an insulated wheel provided by the present invention;

fig. 3 is a cross-sectional view of a wheel body according to the present invention.

In FIGS. 1-3:

1-wheel body, 101-tread, 102-retaining shoulder, 103-bolt hole, 2-wheel core, 3-insulating part, 4-fixing part, 5-limiting part and 6-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide an insulated wheel which has simple structure, lower cost and difficult damage.

Referring to fig. 1 to 3, an insulated wheel includes: wheel body 1, wheel core 2, locating part 5, insulating part 3 and mounting 4, wheel body 1 and wheel core 2 coaxial arrangement and wheel body 1 suit in the periphery of wheel core 2, and insulating part 3 sets up between wheel body 1 and wheel core 2, and mounting 4 sets up between insulating part 3 and wheel body 1, and locating part 5 sets up in the terminal surface of wheel body 1 to limit 4 axial motion of mounting jointly with wheel body 1.

It should be noted that, the wheel core 2 is used for being connected with an axle, the wheel body 1 and the wheel core 2 can rotate relatively, the insulating member 3 and the fixing member 4 are independent members, and can rotate relatively with the wheel body 1 and the wheel core 2, respectively, the fixing member 4 and the wheel core 2 limit the axial position of the insulating member 3 together, and the limiting member 5 and the wheel body 1 limit the axial position of the fixing member 4 together, so as to ensure the position stability of the fixing member 4 and the insulating member 3.

The fixing piece 4 and the insulating piece 3 are both of annular cylindrical structures, and the fixing piece 4 has certain axial elasticity, so that the problem of cracking of the insulating piece 3 caused by insufficient shrinkage is solved.

The insulating wheel provided by the application has the advantages that the structure is simple, the number of the insulating parts 3 is small, the assembly difficulty is low, the production cost is low, the insulating parts 3 are not directly connected with the wheel core 2 and the wheel body 1 of the wheel, and the bearing capacity of the insulating parts 3 is improved; the limiting part 5 and the wheel body 1 limit the axial position of the fixing part 4 together, the fixing part 4 and the wheel core 2 limit the axial position of the insulating part 3, the wheel core is prevented from being separated from the insulating part 3, and the insulating part 3 is prevented from being damaged.

In order to enhance the effect of the fixing member 4 and the wheel core 2 on the spacing of the insulator 3, in addition to the above embodiment, it is further preferable that the outer periphery of the wheel core 2 is a wave-shaped peripheral surface, the insulator 3 is a wave-shaped insulator 3 matching the outer periphery of the wheel core 2, and the inner peripheral surface of the fixing member 4 facing the insulator 3 is a wave-shaped surface matching the outer peripheral surface of the insulator 3. Wheel core 2 and mounting 4 press from both sides at the internal periphery and the periphery of insulating part 3, can restrict the axial displacement of insulating part 3 through wavy structure, and when the wheel received axial effort, the insulating layer had most region to be in the pressurized state, great improvement the intensity of insulating wheel, avoid simultaneously because of the risk of droing that the rubber layer became invalid and arouse.

In order to improve the structural strength of the wheel body 1, the wheel core 2 and the fixing member 4, in addition to the above-described embodiments, it is further preferable that the wheel body 1, the wheel core 2 and the fixing member 4 are all steel structural members. The wheel body 1 and the wheel core 2 are made of high-strength steel, so that sufficient strength and wear resistance are ensured; the fixing piece 4 is bonded with the wheel core 2 through the insulating layer, and the fixing piece 4 is made of low-strength steel and has good contractibility, so that the insulating piece 3 is prevented from cracking.

In addition to the above-described embodiments, the wheel body 1 preferably includes a tread surface 101, a shoulder, and a shoulder 102, and the shoulder 102 is provided on the inner periphery of the outer end of the wheel body 1. The fixing part 4 is tightly matched with the wheel body 1, and meanwhile, the two ends are respectively provided with the retaining shoulder 102 and the limiting part 5, so that the axial strength and reliability are ensured. The tread 101 adopts a standard rail vehicle tread 101, and has good derailment resistance and wear resistance; the retaining shoulder 102 can well transmit the axial acting force of the steel rail on the wheel body 1 to the fixing piece 4, and the sufficient axial strength of the wheel is ensured.

In addition to the above-described embodiments, the configuration of the stopper 5 is further preferably such that the stopper 5 is a ring guard which is detachably provided on the inner end surface of the wheel body 1. When the wheel is installed, the fixing piece 4 and the insulating piece 3 are installed firstly, then the annular baffle is installed on the inner end face of the wheel body 1, and installation can be completed, and when the fixing piece 4 and the insulating piece 3 need to be replaced, the annular baffle can be detached and replaced.

There are several ways of detachment, and in addition to the above embodiments, it is further preferred that the annular shield is attached to the wheel body 1 by bolts 6. The inner end face of the wheel body 1 is provided with a bolt 6 hole 103, and the bolt 6 penetrates through the annular baffle plate and then is inserted into the bolt 6 hole 103 to complete installation. Optionally, the ring guard is connected to the wheel body 1 by a fixing pin.

In addition to the insulated wheel, the invention further provides a vehicle, which comprises a vehicle body and a wheel arranged at the bottom of the vehicle body, wherein the wheel is the insulated wheel disclosed in any one of the embodiments. For the structure of other parts of the vehicle, please refer to the prior art, and the description is omitted here.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The insulated wheel provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. An insulated wheel, comprising: wheel body (1), wheel core (2), locating part (5), insulator (3) and mounting (4), wheel body (1) with wheel core (2) coaxial setting just wheel body (1) suit in the periphery of wheel core (2), insulator (3) set up in wheel body (1) with between wheel core (2), mounting (4) set up in insulator (3) with between wheel body (1), locating part (5) set up in the terminal surface of wheel body (1), with wheel body (1) restricts jointly mounting (4) axial motion.

2. The insulated wheel according to claim 1, wherein the outer periphery of the wheel core (2) is a wavy peripheral surface, the insulator (3) is a wavy insulator (3) matching the outer periphery of the wheel core (2), and the inner peripheral surface of the fixing member (4) facing the insulator (3) is a wavy surface matching the outer peripheral surface of the insulator (3).

3. An insulated wheel according to claim 1, characterized in that the wheel body (1), the wheel core (2) and the fixing element (4) are all steel structural parts.

4. The insulated wheel according to claim 1, characterized in that the wheel body (1) comprises a tread (101), a shoulder and a shoulder (102), the shoulder (102) being arranged on the inner circumference of the outer end of the wheel body (1).

5. The insulated wheel according to claim 4, characterized in that the retaining element (5) is an annular baffle, which is removably arranged on the inner end surface of the wheel body (1).

6. An insulated wheel according to claim 5, characterized in that the ring guard is connected to the wheel body (1) by means of bolts (6).

7. A vehicle comprising a vehicle body and a wheel provided on a bottom portion of the vehicle body, wherein the wheel is the insulated wheel according to any one of claims 1 to 6.

Images