CN207241298U - A kind of train wheel rim device for reducing side grinding between wheel rim and rail - Google Patents
A kind of train wheel rim device for reducing side grinding between wheel rim and rail Download PDFInfo
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- CN207241298U CN207241298U CN201721200906.3U CN201721200906U CN207241298U CN 207241298 U CN207241298 U CN 207241298U CN 201721200906 U CN201721200906 U CN 201721200906U CN 207241298 U CN207241298 U CN 207241298U
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- wheel rim
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- steamboat
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Abstract
The utility model discloses a kind of train wheel rim device for reducing side grinding between wheel rim and rail, it is divided into two schemes：（1）The train wheel rim device includes wheel and its wheel rim, and the wheel rim sidepiece on the contact surface on the inside of rail with being arranged at intervals with some rolling steamboats, so as to form rolling friction between on the inside of the rolling steamboat and the rail on the wheel rim sidepiece；（2）The train wheel rim device includes the vertical bearing wheels and wheel rim wheel being separately mounted on axle, wheel rim wheel fitting be arranged at the vertical bearing wheel shaft to inner side, the relatively described vertical bearing wheels of the wheel rim wheel can relatively rotate in the circumferential, and be relatively fixed in the axial direction.Its advantage is：The abrasion and scratch between wheel rim and rail sidepiece are reduced, so as to reduce the polishing maintenance work of wheel and rail, extends the service life of wheel and rail；There is the vibration and noise for reducing wheel and rail at the same time, improve the comfort of passenger's seating, and save the energy consumption of train operation.
Description
Technical field
The utility model belongs to technical field of rail traffic, and in particular to a kind of row for reducing side grinding between wheel rim and rail
Vehicle wheel rim device.
Background technology
The purpose of setting of wheel rim is in order to play guiding role to train bogie, but because steel wheel bears vertical load
The radius of tread is different from the radius of steel wheel wheel rim, and corresponding linear velocity is different when taking turns to rotating, and during train advance,
Train is identical with respect to the linear velocity on rail top and trackside.Therefore, when steel wheel wheel rim and rail sidepiece are in contact, can not keep away
Sliding friction occurs with exempting from.
From physical knowledge, when sliding friction occurs between object, it wears rubs much larger than generation rolling between object
Wipe.Therefore, when sliding friction occurs for steel wheel wheel rim and rail sidepiece, will cause steel wheel wheel rim and rail sidepiece occur abrasion with
Scratch, for this reason, adding the polishing maintenance work of steel wheel and rail, and shortens the service life of steel wheel and rail.Exist at the same time
When with rail sidepiece sliding friction occurs for steel wheel wheel rim, cause wheel track that vibration and noise occurs, influence the riding comfort of passenger,
Increase the energy consumption of train operation.
The content of the invention
The purpose of this utility model is according in place of above-mentioned the deficiencies in the prior art, there is provided one kind reduce wheel rim and rail it
Between side grinding train wheel rim device, which proposes two schemes by being improved to the wheel rim of train wheel,
First, the wheel rim on wheel is suitably thickeied, and taper scroll wheel is installed；Second, wheel is decomposed into vertical bearing wheels
With wheel rim wheel, so as to finally solve the problems, such as between wheel tread and wheel rim there are horizontal direction speed is inconsistent, thus reduce wheel
Side grinding between edge and rail.
The utility model aim is realized and completed by following technical scheme：
A kind of train wheel rim device for reducing side grinding between wheel rim and rail, it is characterised in that the train wheel rim device bag
Wheel and its wheel rim are included, the wheel rim sidepiece on the contact surface on the inside of rail with being arranged at intervals with some rolling steamboats, so that institute
Rolling friction is formed between stating on the inside of the rolling steamboat on wheel rim sidepiece and the rail.
The rolling steamboat is installed along circumferentially spaced-apart lay of the wheel rim.
Spacing between the adjacent rolling steamboat is the 0.8-1.2 rolling steamboats.
The rolling steamboat rolls steamboat for taper, and the maximum gauge that the taper rolls steamboat is 15-30mm, the cone
The scalene cone that shape rolls steamboat protrudes from the wheel rim side surfaces 3-4mm.
The scalene cone that the taper rolls steamboat evagination is parallel with the wheel rim side surfaces, when the taper rolls steamboat
During with the rail interior side contacts, the taper forms rolling friction between rolling on the inside of steamboat and the rail.
A kind of train wheel rim device for reducing side grinding between wheel rim and rail, it is characterised in that the train wheel rim device bag
Include the vertical bearing wheels being separately mounted on axle and wheel rim wheel, the wheel rim wheel fitting be arranged at the vertical bearing wheel shaft to
Inner side, the relatively described vertical bearing wheels of the wheel rim wheel can relatively rotate in the circumferential, and be relatively fixed in the axial direction.
The sidepiece of the wheel rim wheel forms the contact with the inside of rail, the wheel rim wheel and the rail side contacting portion
Thickness be 30-35mm.
The outer radius of the wheel rim wheel is bigger 25-30mm than the outer radius of the bearing wheels.
The utility model has the advantages that：The abrasion and scratch between wheel rim and rail sidepiece are reduced, so as to reduce car
The polishing maintenance work of wheel and rail, extends the service life of wheel and rail；There is the vibration for reducing wheel and rail at the same time
With noise, the comfort that passenger takes is improved, and save the energy consumption of train operation.
Brief description of the drawings
Fig. 1 is train wheel and its rim construction schematic diagram in the utility model embodiment 1；
Fig. 2 is the close-up schematic view in the utility model Fig. 1；
Fig. 3 is that taper rolls distribution schematic diagram of the steamboat on train wheel wheel rim in the utility model embodiment 1；
Fig. 4 is the train wheel rim apparatus structure schematic diagram in the utility model embodiment 2.
Embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade：
Such as Fig. 1-4, mark 1-7 is respectively in figure：Wheel 1, wheel rim 2, taper roll steamboat 3, shaft 4, vertical bearing wheels
5th, wheel rim wheel 6, axle 7.
Embodiment 1：As shown in Figure 1, 2, 3, the present embodiment is more particularly to a kind of row for reducing side grinding between wheel rim and rail
Vehicle wheel rim device, the train wheel rim device include wheel 1 and its wheel rim 2, are with the difference of conventional vehicle wheel structure, are taking turns
Circumferentially uniform intervals are laid with some tapers and roll steamboat 3 on the sidepiece face that edge 2 is in contact with rail, so as to make wheel rim
2 sidepiece face can form rolling friction between rail inner side, reduce the side grinding between wheel rim 2 and rail.
As shown in Figure 1, 2, 3, in the present embodiment, each taper rolls steamboat 3 and is arranged on ring-type installation set on wheel rim 2
Among groove, the shape of the ring-type installation groove is adapted with the shape of taper rolling steamboat 3；And taper rolls steamboat 3 and passes through
Shaft 4 realizes the fixation of its position, and taper, which rolls steamboat 3, to realize rotation centered on shaft 4.Taper roll steamboat 3 with
Certain angle tilt is set, so that its scalene cone can be with vertical direction（Or the side surfaces of wheel rim 2）It is parallel, work as cone
When shape rolls steamboat 3 with rail interior side contacts, taper forms rolling friction between rolling on the inside of steamboat 3 and rail.And need
Bright, the scalene cone of taper rolling steamboat 3 protrudes from the sidepiece face 3-4mm of wheel rim 2, and taper rolls the maximum gauge of steamboat 3
For 15-30mm.In addition, the spacing distance that adjacent conical rolls between steamboat 3, which can be 0.8-1.2 taper, rolls steamboat 3
Size.
As shown in Figure 1, 2, 3, in the specific course of work, when Railway wheelset rotates, the tread of wheel 1 is at the top of rail
Traveling is rolled, and each taper on wheel rim 2 rolls steamboat 3 and rolling friction is then formed with rail sidepiece, compared to conventional wheel
Abrasion and vibration noise caused by the sliding friction occurred between edge and rail sidepiece, have additional taper in the present embodiment
The wheel rim 2 of rolling steamboat 3 considerably reduces the abrasion and scratch between wheel rim 2 and rail sidepiece, so as to reduce wheel
With the polishing maintenance work of rail, the service life of extension wheel and rail；Have at the same time reduce the vibration of wheel and rail with
Noise, improves the comfort of passenger's seating, and saves the energy consumption of train operation.
Embodiment 2：As shown in figure 4, the present embodiment is more particularly to a kind of Train Wheel for reducing side grinding between wheel rim and rail
Edge device, the train wheel rim device include the vertical bearing wheels 5 and wheel rim wheel 6 being separately mounted on train axle 7, wheel rim wheel 6
The axially inner side of vertical bearing wheels 5 is arranged on, and using split-type design, wheel rim between wheel rim wheel 6 and vertical bearing wheels 5
Wheel 6 can in the circumferential be produced with respect to bearing wheels 5 and can relatively rotated, and both are relatively fixed in the axial direction.
As shown in figure 4, the tread of vertical bearing wheels 5 is adapted with rail rail level, vertical bearing wheels 5 undertake the vertical of train
Load action；And wheel rim wheel 6 is then responsible for the guiding role of train, its sidepiece forms the contact with the inside of rail, wheel rim wheel 6 and steel
The thickness of trackside portion contact portion is 30-35mm, and considers conveniently to pass through track switch, and the outer radius of wheel rim wheel 6 is outer than bearing wheels 5
The big 25-30mm of radius.
As shown in figure 4, in the specific course of work, when Railway wheelset rotates, the tread of vertical bearing wheels 5 is on rail top
Portion rolls traveling, and the sidepiece of wheel rim wheel 6 is then in contact with rail sidepiece and produces sliding friction；Since vertical bearing wheels 5 are stepped on
Between face and wheel rim wheel 6 there are horizontal direction speed it is inconsistent the problem of, therefore in the present embodiment, wheel rim wheel 6 and vertical carrying
It will produce relative rotation between wheel 5, so that the problem of overcoming horizontal direction speed inconsistent, thus reduces wheel rim wheel 6 and rail
Sliding friction between side.
Claims (8)
1. a kind of train wheel rim device for reducing side grinding between wheel rim and rail, it is characterised in that the train wheel rim device includes
Wheel and its wheel rim, the wheel rim sidepiece on the contact surface on the inside of rail with being arranged at intervals with some rolling steamboats, so that described
Rolling friction is formed between on the inside of the rolling steamboat and the rail on wheel rim sidepiece.
A kind of 2. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 1, it is characterised in that
The rolling steamboat is installed along circumferentially spaced-apart lay of the wheel rim.
A kind of 3. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 2, it is characterised in that
Spacing between the adjacent rolling steamboat is the 0.8-1.2 rolling steamboats.
A kind of 4. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 1, it is characterised in that
The rolling steamboat rolls steamboat for taper, and the maximum gauge that the taper rolls steamboat is 15-30mm, and the taper rolls small
The scalene cone of wheel protrudes from the wheel rim side surfaces 3-4mm.
A kind of 5. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 4, it is characterised in that
The scalene cone that the taper rolls steamboat evagination is parallel with the wheel rim side surfaces, when the taper rolls steamboat and the steel
During rail interior side contacts, the taper forms rolling friction between rolling on the inside of steamboat and the rail.
6. a kind of train wheel rim device for reducing side grinding between wheel rim and rail, it is characterised in that the train wheel rim device includes
The vertical bearing wheels and wheel rim wheel being separately mounted on axle, wheel rim wheel fitting be arranged at the vertical bearing wheel shaft to
Inner side, the relatively described vertical bearing wheels of the wheel rim wheel can relatively rotate in the circumferential, and be relatively fixed in the axial direction.
A kind of 7. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 6, it is characterised in that
The sidepiece of the wheel rim wheel forms the contact with the inside of rail, and the thickness of the wheel rim wheel and the rail side contacting portion is
30-35mm。
A kind of 8. train wheel rim device for reducing side grinding between wheel rim and rail according to claim 6, it is characterised in that
The outer radius of the wheel rim wheel is bigger 25-30mm than the outer radius of the bearing wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200906.3U CN207241298U (en) | 2017-09-19 | 2017-09-19 | A kind of train wheel rim device for reducing side grinding between wheel rim and rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200906.3U CN207241298U (en) | 2017-09-19 | 2017-09-19 | A kind of train wheel rim device for reducing side grinding between wheel rim and rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207241298U true CN207241298U (en) | 2018-04-17 |
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ID=61885413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721200906.3U Active CN207241298U (en) | 2017-09-19 | 2017-09-19 | A kind of train wheel rim device for reducing side grinding between wheel rim and rail |
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| CN (1) | CN207241298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554189A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | A kind of train wheel rim device for reducing side grinding between wheel rim and rail |
-
2017
- 2017-09-19 CN CN201721200906.3U patent/CN207241298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554189A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | A kind of train wheel rim device for reducing side grinding between wheel rim and rail |
| CN107554189B (en) * | 2017-09-19 | 2024-02-06 | 华东交通大学 | Train rim device for reducing side grinding between rim and steel rail |
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