CN212655002U

CN212655002U - Wheel pair steering platform of railway vehicle

Info

Publication number: CN212655002U
Application number: CN202020426557.2U
Authority: CN
Inventors: 章高升; 孔洁平
Original assignee: Anhui Ruitie Track Equipment Co ltd
Current assignee: Anhui Ruitie Track Equipment Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-03-05
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a rail vehicle wheel pair steering platform, top-down include carousel body, thrust ball bearing and chassis in proper order, carousel body, thrust ball bearing and chassis are cake form and coaxial coupling, carousel body and chassis are connected through returning thrust ball bearing, the top fixed mounting of carousel body has two pairs of mutually perpendicular's rail. The utility model discloses utilize rotary table body, thrust ball bearing and the chassis of coaxial setting to realize the relative rotation of rotary table body and chassis to accomplish the steering work of wheel pair, have the accurate, efficient advantage of counterpointing.

Description

Wheel pair steering platform of railway vehicle

Technical Field

The utility model belongs to the technical field of rail vehicle, in particular to rail vehicle wheel pair steering platform.

Background

The wheel set is an important part for the running of the railway vehicle, and can be practically applied to the railway vehicle only by carrying out strict quality inspection in the production process. In the quality detection process of the wheel pair, multiple detection indexes such as rim thickness, rim height, internal flaw detection and the like are involved, and the detection items are usually completed by different detection stations respectively. This just needs the wheel to carrying out the transportation between the different stations, and the wheel pair quality is very big, and artifical transport is wasted time and energy still is injured easily, consequently need use to turn to the platform and come the cooperation to accomplish the wheel pair and turn to in two perpendicular transport directions.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of the existence of above-mentioned prior art, provide rail vehicle wheel pair steering table.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

rail vehicle wheel pair steering platform, top-down include carousel body, thrust ball bearing and chassis in proper order, carousel body, thrust ball bearing and chassis are cake form and coaxial coupling, carousel body and chassis are connected through returning thrust ball bearing, the top fixed mounting of carousel body has two pairs of mutually perpendicular's rail.

Further, the circumference outside of chassis is provided with the ring carrier, fixed mounting has strutting arrangement on the ring carrier, strutting arrangement includes supporting seat, roller and axis of rotation, supporting seat fixed mounting is on the ring carrier, the axis of rotation rotationally inlays the dress on the supporting seat, the axle center of axis of rotation sets up along the axial of chassis, the roller sets up fixed connection with the axis of rotation is coaxial, the periphery of roller and the bottom contact of carousel body.

Further, the supporting devices are uniformly distributed on the annular support.

Furthermore, the limiting device is further arranged on the outer side of the circumference of the turntable body and comprises a sliding base, sliding bolts and inserting joints, the sliding bolts are arranged in the sliding base in a sliding mode, the inserting joints are distributed on the circumference of the turntable body at equal intervals, the inserting joints are fixedly connected with the turntable body, and the sliding base is kept fixed relative to the chassis.

Furthermore, a push rod extending outwards is arranged at the top of the turntable body.

The utility model has the advantages that: the utility model discloses utilize rotary table body, thrust ball bearing and the chassis of coaxial setting to realize the relative rotation of rotary table body and chassis to accomplish the steering work of wheel pair, have the accurate, efficient advantage of counterpointing.

Drawings

FIG. 1 is a schematic front view of a wheel-set bogie of an embodiment;

FIG. 2 is a schematic perspective view of a wheel-set bogie of an embodiment;

FIG. 3 is a schematic perspective view of an embodiment of a chassis;

fig. 4 is a schematic perspective view of the spacing device according to the embodiment.

Detailed Description

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. 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.

Examples

As shown in fig. 1 and 2, the wheel set steering platform of the rail vehicle sequentially comprises a turntable body 10, a thrust ball bearing 20 and an underframe 30 from top to bottom, wherein the turntable body 10, the thrust ball bearing 20 and the underframe 30 are all in a pie shape and are coaxially connected, the turntable body 10 and the underframe 30 are connected through a return thrust ball bearing 20, and two pairs of steel rails 11 which are perpendicular to each other are fixedly installed at the top of the turntable body 10.

Foretell turntable body 10 and chassis 30 are metal frame construction, form through mode fixed connection such as welding or bolt by metal channel-section steel or square pipe vertically and horizontally staggered arrangement, the top of turntable body 10 can also install the apron additional in order to play the effect of protection turntable body 10 and chassis 30 inner structure, the bottom of turntable body 10 and the top of chassis 30 all are provided with the mounting panel and are used for the seat circle of fixed thrust ball bearing 20, when in actual use, the outside of bogie still sets up two pairs of mutually perpendicular's external rail and corresponds with rail 11 on the turntable body 10 respectively, after the wheel pair gets into rail 11 on the turntable body 10 from one of them pair of external rail, control turntable body 10 rotates and aims at another pair of external rail after 90, can accomplish the steering work of wheel pair.

As shown in fig. 3, an annular support 31 surrounded by a metal square tube is arranged outside the circumference of the chassis 30, a support device is fixedly mounted on the annular support 31, the support device includes a support seat 32, a roller 33 and a rotating shaft 34, the support seat 32 is fixedly mounted on the annular support 31 through a bolt, the rotating shaft 34 is rotatably embedded on the support seat 32, the axis of the rotating shaft 34 is arranged along the axial direction of the chassis 30, the roller 33 is coaxially arranged and fixedly connected with the rotating shaft 34, and the circumferential surface of the roller 33 is in contact with the bottom of the turntable body 10.

The thrust ball bearing 20 is mainly used for assisting the turntable body 10 to rotate and simultaneously assisting the central support, but the large mass of the wheel pair may cause the turntable body 10 to be eccentric and overturn, the supporting device is arranged on the annular support 31 to support the turntable body 10 so as to avoid the overturning problem of the turntable body 10, and the friction between the roller 33 and the turntable body 10 is rotational friction, so that the friction resistance can be greatly reduced.

As shown in fig. 3, the supporting devices are uniformly distributed on the ring-shaped support 31 to improve the stability of supporting the turntable body 10 and ensure the supporting balance of each point.

As shown in fig. 4, a limiting device is further disposed on the outer side of the circumference of the turntable body 10, the limiting device includes a sliding base 41, a sliding bolt 42 and a plug 43, wherein a sliding track is disposed on the sliding base 41, the sliding bolt 42 is slidably disposed in the sliding track of the sliding base 41, the plug 43 is four in number and is distributed on the circumference of the turntable body 10 at equal intervals, the plug 43 is fixedly connected to the turntable body 10, and the sliding base 41 is kept fixed relative to the chassis 30. The sliding bolt 42 can be inserted into the slot of the plug 43 head to limit and lock the turntable body 10 by sliding along the sliding base 41 to the center of the turntable body 10, so as to prevent the turntable body 10 from shaking, the sliding bolt 42 can be contacted and locked by sliding away from the center of the turntable body 10, and the turntable body 10 is rotated again to realize steering; the four connectors 43 are arranged and distributed on the circumference of the turntable body 10 at equal intervals so as to ensure that the rotation of the turntable body 10 is performed at a sequential fiber angle of just 90 degrees, thereby corresponding to the external steel rail again.

As shown in fig. 1 and 2, a push rod 50 extending outward is disposed at the top of the turntable body 10 to assist in rotating the turntable body 10, so as to improve the convenience of operation. Of course, the rotation of the turntable body 10 may also be driven by a motor, specifically, a coaxial gear is fixedly installed at the bottom of the turntable body 10, a motor is fixedly installed outside the turntable body 10, and a gear is fixedly installed on a rotor of the motor, and the motor is connected with the turntable body 10 by a chain.

The fixed connection referred to in the above embodiments is a conventional connection manner such as welding, screwing, and the like.

It is noted that, in this document, relational terms such as first and second, and the like, if any, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Rail vehicle wheel pair bogie table, its characterized in that, top-down includes carousel body (10), thrust ball bearing (20) and chassis (30) in proper order, carousel body (10), thrust ball bearing (20) and chassis (30) are cake form and coaxial coupling, carousel body (10) and chassis (30) are connected through thrust ball bearing (20) that returns, the top fixed mounting of carousel body (10) has two pairs of mutually perpendicular's rail (11).

2. Wheel-pair steering table for railway vehicles according to claim 1, characterized in that an annular support (31) is arranged outside the circumference of the chassis (30), a support device is fixedly mounted on the annular support (31), the support device comprises a support base (32), a roller (33) and a rotating shaft (34), the support base (32) is fixedly mounted on the annular support (31), the rotating shaft (34) is rotatably embedded on the support base (32), the axis of the rotating shaft (34) is arranged along the axial direction of the chassis (30), the roller (33) is fixedly connected with the rotating shaft (34) in a coaxial arrangement, and the circumferential surface of the roller (33) is in contact with the bottom of the turntable body (10).

3. Railway vehicle wheel-pair bogie according to claim 2, characterized in that the supporting means are evenly distributed on the toroidal support (31).

4. The wheel set steering platform for the railway vehicle as claimed in any one of claims 1 to 3, wherein a limiting device is further arranged on the outer side of the circumference of the turntable body (10), the limiting device comprises a sliding base (41), sliding bolts (42) and plug connectors (43), the sliding bolts (42) are slidably arranged in the sliding base (41), the plug connectors (43) are distributed on the circumference of the turntable body (10) at equal intervals, the plug connectors (43) are fixedly connected with the turntable body (10), and the sliding base (41) is kept fixed relative to the chassis (30).

5. Railway vehicle wheel-pair bogie according to claim 4, characterized in that the top of the turntable body (10) is provided with an outwardly extending push rod (50).