CN115782463A - Auxiliary wheel mounting structure and monorail train - Google Patents
Auxiliary wheel mounting structure and monorail train Download PDFInfo
- Publication number
- CN115782463A CN115782463A CN202211489875.3A CN202211489875A CN115782463A CN 115782463 A CN115782463 A CN 115782463A CN 202211489875 A CN202211489875 A CN 202211489875A CN 115782463 A CN115782463 A CN 115782463A
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- Prior art keywords
- bearing
- auxiliary wheel
- mounting structure
- connecting plate
- axle
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- 238000007789 sealing Methods 0.000 claims description 33
- 239000003921 oil Substances 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
- B60B17/02—Wheels characterised by rail-engaging elements with elastic tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B37/00—Wheel-axle combinations, e.g. wheel sets
- B60B37/04—Wheel-axle combinations, e.g. wheel sets the wheels being rigidly attached to solid axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The embodiment of the application discloses auxiliary wheel mounting structure and monorail train, wherein, auxiliary wheel mounting structure includes auxiliary wheel, bearing end cover, axletree and installing support. The both ends of the axis direction of auxiliary wheel all are provided with the storage tank, and the shaft hole that is used for supplying the axletree to pass is seted up to the tank bottom of storage tank, installs bearing and bearing cap in the storage tank, and bearing cap cover are established on the axletree. The groove wall of the containing groove is provided with a step surface, the axle is provided with a shaft shoulder, after the axle is sleeved with the bearing, the outer ring of the bearing is abutted against the step surface, the inner ring of the bearing is abutted against the shaft shoulder, the outer ring of the bearing is in interference fit with the containing groove, and the inner ring of the bearing is in interference fit with the axle. In this embodiment, through the outer lane of bearing and storage tank interference fit and the inner circle and the axletree interference fit of bearing, realize being connected of auxiliary wheel and axletree, for whole axletree and bearing and auxiliary wheel transition fit's among the prior art mode, reduced the degree of difficulty of being connected of axletree and bearing and auxiliary wheel.
Description
Technical Field
The application relates to the technical field of rail transit, in particular to an auxiliary wheel mounting structure and a monorail train.
Background
A straddle type monorail train applied to an urban rail transit system is greatly different from a common subway light rail steel wheel vehicle in structure and appearance, and runs on a rail beam in a straddling manner, and walking wheels are rubber pneumatic tires.
In order to prevent the walking wheels from being flat and incapable of bearing, auxiliary wheels need to be arranged, under the normal operation working condition of the walking wheels, certain gaps exist between the auxiliary wheels and the rail surface, the auxiliary wheels are not used, and when the walking wheels are flat and incapable of bearing, the auxiliary wheels can replace the walking wheels to bear vertical and transverse loads, vibration and impact, replace the walking wheels and bear walking tasks.
The auxiliary wheel mounting structure in the prior art comprises a bearing, a bearing spacing cylinder, an oil seal and the like, wherein after the auxiliary wheel and the auxiliary wheel mounting structure are assembled, the auxiliary wheel and the auxiliary wheel mounting structure are integrally mounted among 2 auxiliary wheel mounting seat holes of an end beam of a framework, an axle penetrates through the integral structure formed by the auxiliary wheel and the auxiliary wheel mounting structure and the auxiliary wheel mounting seat holes, and an anti-loosening sheet and an axle end nut are fastened in place.
The axletree is the optical axis among the prior art, adopts transition fit between axletree and bearing and the auxiliary wheel, leads to penetrating the operation degree of difficulty of axletree great.
Therefore, how to reduce the difficulty of connecting the axle with the bearing and the auxiliary wheel becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The application provides an auxiliary wheel mounting structure to reduce the degree of difficulty that axletree and bearing and auxiliary wheel are connected. The application also provides a monorail train
In order to achieve the above object, the present application provides an auxiliary wheel mounting structure, comprising an auxiliary wheel, a bearing cap, an axle and a mounting bracket,
the auxiliary wheel is sleeved on the axle,
the two ends of the auxiliary wheel in the axial direction are provided with accommodating grooves, the bottom of each accommodating groove is provided with a shaft hole for the axle to pass through, the bearing and the bearing end cover are arranged in each accommodating groove, the bearing and the bearing end cover are sleeved on the axle, the outer ring of the bearing is in interference fit with the accommodating grooves,
a step surface is arranged at one end, close to the groove bottom, of the groove wall of the containing groove, a shaft shoulder corresponding to the step surface is arranged on the axle, the end surface of the outer ring of the bearing is abutted against the step surface, the end surface of the inner ring of the bearing can be abutted against the shaft shoulder, and the inner ring of the bearing is in interference fit with the axle,
the mounting bracket with the axletree is connected, the mounting bracket includes first connecting plate, second connecting plate and third connecting plate, first connecting plate can be connected with framework end beam, the second connecting plate with the third connecting plate all with first connecting plate is perpendicular to be connected, the second connecting plate with the third connecting plate respectively with the both ends of the axis direction of axletree are connected.
Preferably, in above-mentioned auxiliary wheel mounting structure, second connecting plate and third connecting plate all include installation piece and mounting panel, the mounting panel with first connecting plate is connected perpendicularly, the installation piece with the one end that the first connecting plate was kept away from to the mounting panel is connected, the mounting hole has been seted up on the installation piece, the installation piece through with mounting hole complex bolt with the axletree is connected.
Preferably, in the above auxiliary wheel mounting structure, an oil cup provided on the auxiliary wheel is further included, and the oil cup is used for injecting lubricating oil into the bearing.
Preferably, in the above auxiliary wheel mounting structure, a seal assembly is further included for preventing the lubricating oil from leaking from the bearing end cover.
Preferably, in the above auxiliary wheel mounting structure, the seal assembly includes a first seal ring, a second seal ring and a third seal ring,
the first sealing ring is positioned between the axle and the auxiliary wheel,
the second sealing ring is positioned on one side of the bearing end cover which is jointed with the outer ring of the bearing,
the third sealing ring is positioned on the inner ring of the bearing end cover.
Preferably, in the above-described auxiliary wheel mounting structure, the first seal ring is a lip seal ring.
Preferably, in the above-described auxiliary wheel mounting structure, the second seal ring is a lip seal ring.
Preferably, in the above auxiliary wheel mounting structure, the third seal ring is an O-ring.
Preferably, in the above-described auxiliary wheel mounting structure, the bearing is a tapered roller bearing.
The application also discloses a monorail train, including auxiliary wheel mounting structure, auxiliary wheel mounting structure is the auxiliary wheel mounting structure who records in any one above-mentioned scheme.
The utility model provides an auxiliary wheel mounting structure, including auxiliary wheel, bearing end cover, axletree and installing support. The two ends of the axis direction of the auxiliary wheel are provided with accommodating grooves, the bottom of each accommodating groove is provided with a shaft hole for the axle to pass through, a bearing and a bearing end cover are installed in each accommodating groove, and the bearing end cover are sleeved on the axle. The groove wall of the containing groove is provided with a step surface, the axle is provided with a shaft shoulder corresponding to the step surface, after the axle is sleeved with the bearing, the outer ring of the bearing is abutted against the step surface, the inner ring of the bearing is abutted against the shaft shoulder, the outer ring of the bearing is in interference fit with the containing groove, and the inner ring of the bearing is in interference fit with the axle. In this embodiment, through the outer lane of bearing and storage tank interference fit and the inner circle and the axletree interference fit of bearing, realize being connected of auxiliary wheel and axletree, for whole axletree and bearing and auxiliary wheel transition fit's among the prior art mode, reduced the degree of difficulty of being connected of axletree and bearing and auxiliary wheel.
The application also discloses a monorail train, including auxiliary wheel mounting structure, auxiliary wheel mounting structure is the auxiliary wheel mounting structure who records in above-mentioned arbitrary one scheme. As the auxiliary wheel mounting structure has the technical effects, the monorail train with the auxiliary wheel mounting structure also has the same technical effects, and the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 some examples or embodiments of the present application, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort, and that the present application can also be applied to other similar scenarios from the provided drawings. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.
Fig. 1 is a schematic structural view of an auxiliary wheel mounting structure of the present application;
fig. 2 is a cross-sectional view of a hidden mounting bracket of the auxiliary wheel mounting structure of the present application.
Wherein:
1. auxiliary wheel, 2, bearing, 3, axletree, 4, bearing end cover, 5, third sealing washer, 6, second sealing washer, 7, first sealing washer, 8, oil cup, 9, installing support, 91, first connecting plate, 92, second connecting plate, 93, third connecting plate.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. The embodiments described are only a part of the embodiments of the present application, 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 application.
It should be noted that, for the convenience of description, only the portions related to the related applications are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be understood that "system", "apparatus", "unit" and/or "module" as used in this application is a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.
As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to include the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising a component of ' 8230 ' \8230; ' does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Flowcharts are used herein to illustrate the operations performed by systems according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to or removed from these processes.
Referring to fig. 1-2, some embodiments of the present application disclose an auxiliary wheel mounting structure for a straddle monorail car.
The utility model discloses auxiliary wheel mounting structure is used for realizing the integral type installation of auxiliary wheel 1 and axletree 3, and auxiliary wheel mounting structure includes auxiliary wheel 1, bearing 2, bearing cap 4, axletree 3 and installing support 9.
The auxiliary wheel 1 is sleeved on the axle 3, the two ends of the axis direction of the auxiliary wheel 1 are provided with the bearing 2 and the bearing end cover 4, and the auxiliary wheel 1 is fixed on the axle 3 through the bearing 2 and the bearing end cover 4.
As shown in fig. 2, the two ends of the auxiliary wheel 1 in the axial direction are provided with accommodating grooves, the bottom of each accommodating groove is provided with a shaft hole for the axle 3 to pass through, the accommodating grooves are internally provided with the bearings 2 and the bearing end covers 4, the bearings 2 and the bearing end covers 4 are sleeved on the axle 3, and the bearings 2 are close to the bottom of the accommodating grooves relative to the bearing end covers 4.
One end, close to the groove bottom, of the groove wall of the containing groove is provided with a step surface, a shaft shoulder corresponding to the step surface is arranged on the axle 3, after the bearing 2 is sleeved on the axle 3, the outer ring of the bearing 2 abuts against the step surface, the inner ring of the bearing 2 abuts against the shaft shoulder, the outer ring of the bearing 2 is in interference fit with the containing groove, and the inner ring of the bearing 2 is in interference fit with the axle 3. In this embodiment, through the outer lane of bearing 2 and storage tank interference fit and the inner circle of bearing 2 and 3 interference fit of axletree, realize being connected of auxiliary wheel 1 and axletree 3, for whole axletree 3 and bearing 2 and auxiliary wheel 1 transition fit's mode among the prior art, reduced the degree of difficulty of being connected of axletree 3 and bearing 2 and auxiliary wheel 1. Both ends of the auxiliary wheel 1 in the axial direction are limited on an axle 3 through bearings 2.
This application adopts bearing end cover 4 structure to replace 2 spacer barrels of bearing and bushes, is convenient for dismantle and the installation, saves the maintenance cost.
The axle 3 and the auxiliary road are of an integral installation structure, so that the disassembly and installation difficulty of the auxiliary wheel 1 is reduced, and the maintenance cost is saved.
The mounting bracket 9 is connected with the axle 3, and the mounting bracket 9 includes a first connecting plate 91, a second connecting plate 92 and a third connecting plate 93, and the first connecting plate 91 can be connected with the framework end beam, and the second connecting plate 92 and the third connecting plate 93 are all connected perpendicularly with the first connecting plate 91, and the second connecting plate 92 and the third connecting plate 93 are connected with the both ends of the axle 3 in the axial direction respectively.
The second connecting plate 92 and the third connecting plate 93 are of an L-shaped structure or a T-shaped structure, the L-shaped structure or the T-shaped structure comprises a mounting plate and a mounting block, the mounting plate is connected with the first connecting plate 91, the mounting block is connected with one end, away from the first connecting plate 91, of the mounting plate, and the connecting block and the connecting plates form the L-shaped structure or the T-shaped structure.
The mounting block is provided with a mounting hole, is connected with the axle 3 through a bolt matched with the mounting hole and is positioned below the mounting block.
The present application designs axle 3 as a stepped shaft with a shoulder, with shoulder locating bearing 2, confirms that auxiliary wheel 1 can not take place and squint from side to side.
The utility model discloses a mounting bracket 9 can be connected with the auxiliary wheel 1 and the axletree 3 of integral type, reduces the connection degree of difficulty of auxiliary wheel mounting structure and framework end beam.
Preferably, the second connecting plate 92 and the third connecting plate are both integrally formed connecting plates.
Preferably, the mounting bracket 9 is an integrally formed bracket.
The utility model discloses auxiliary wheel mounting structure still includes oil cup 8, and oil cup 8 sets up on auxiliary wheel 1 for inject lubricating oil into bearing 2.
Specifically, the auxiliary wheel 1 is provided with a mounting hole for mounting the oil cup 8, and is coated with thread locking glue, and lubricating oil flows into the bearing 2 from the oil cup 8 to lubricate the bearing 2.
In order to prevent the leakage of the lubricating oil inside the bearing 2, the auxiliary wheel mounting structure disclosed herein further includes a seal assembly for preventing the leakage of the lubricating oil from the bearing end cover 4.
In some embodiments of the present application, the seal assembly includes a first seal ring 7, a second seal ring 6, and a third seal ring 5.
The first seal ring 7 is located between the axle 3 and the auxiliary wheel 1 for sealing inside the bearing 2.
Preferably, the hole wall of the shaft hole is provided with a groove for installing the first sealing ring 7, and the first sealing ring 7 is embedded in the groove.
Preferably, the inner ring of the first sealing ring 7 is in interference fit with the axle 3, and the axle 3 can also play a role in pressing the first sealing ring 7.
And (3) coating lubricating grease on the first sealing ring 7 and the outer ring of the bearing 2, pressing the outer ring of the bearing 2 into the accommodating groove, and striking the outer ring of the bearing 2 to enable the outer ring to be tightly attached to the step surface of the auxiliary wheel 1.
The second sealing ring 6 is located on one side of the bearing end cover 4, which is attached to the outer ring of the bearing 2, the third sealing ring 5 is located on the inner ring of the bearing end cover 4, and the second sealing ring 6 is matched with the third sealing ring 5 to seal the outer side of the bearing 2.
Specifically, the second seal ring 6 is used for sealing a gap between the bearing end cover 4 and the accommodating groove, and the third seal ring 5 is used for sealing a gap between the bearing end cover 4 and the axle 3.
In some embodiments of the present application, the first and second sealing rings 7, 6 are lip-type sealing rings. The lip-shaped sealing ring is not easy to age, has good wear resistance, can automatically compensate to a certain extent after being worn, and has long service life; when there is relative movement, the friction force caused by the sealing element is small, and the friction coefficient is stable; the lip-shaped sealing ring has the advantages of simple structure, convenient use and maintenance and low cost.
In some embodiments of the present application, the third seal ring 5 is an O-ring seal. The O-shaped sealing ring is a rubber ring with a circular section, and is an effective and economical sealing element. The O-shaped sealing ring is a bidirectional sealing element and has elasticity and rebound resilience; has suitable mechanical strength including expansion strength, elongation and tear resistance; has stable performance, is not easy to swell in a medium, and has small heat shrinkage effect; the processing and the forming are easy, and the precise size can be kept; does not corrode the contact surface and does not pollute the medium.
The bearing 2 used in the present application is a tapered roller bearing. The tapered roller bearing has high bearing capacity, can bear axial load in one direction, and can limit axial displacement of the shaft or the auxiliary wheel 1 in one direction.
And mounting the whole body consisting of the auxiliary wheel 1, the bearing 2, the bearing end cover 4, the axle 3 and the mounting bracket 9 on an end beam of the bogie, wherein the mounting bracket 9 is connected with the end beam.
Under the normal operation condition of the traveling wheels, the auxiliary wheels 1 have certain gaps with the rail surface, and are not used at ordinary times to serve as safety protection precautionary measures; when the running wheels are flat or flat, the auxiliary wheels 1 can contact the upper surface of the track beam to replace the running wheels to bear vertical and transverse loads, vibration and impact and undertake running tasks.
The application also discloses a monorail train, including auxiliary wheel mounting structure, auxiliary wheel mounting structure is the auxiliary wheel mounting structure who records in above-mentioned arbitrary one scheme.
As the auxiliary wheel mounting structure has the technical effects, the monorail train with the auxiliary wheel mounting structure also has the same technical effects, and the details are not repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and the technical principles applied, and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. The scope of the present application is not limited to the specific combinations of the above-described features, and other embodiments in which the above-described features or their equivalents are combined arbitrarily without departing from the spirit of the present application are also intended to be encompassed. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. An auxiliary wheel mounting structure is characterized by comprising an auxiliary wheel (1), a bearing (2), a bearing end cover (4), an axle (3) and a mounting bracket (9),
the auxiliary wheel (1) is sleeved on the axle (3),
both ends of the axis direction of the auxiliary wheel (1) are provided with accommodating grooves, the bottom of each accommodating groove is provided with a shaft hole for the axle (3) to pass through, the bearing (2) and the bearing end cover (4) are arranged in each accommodating groove, the bearing (2) and the bearing end cover (4) are sleeved on the axle (3), the outer ring of the bearing (2) is in interference fit with the accommodating grooves,
a step surface is arranged at one end, close to the groove bottom, of the groove wall of the containing groove, a shaft shoulder corresponding to the step surface is arranged on the axle (3), the end surface of the outer ring of the bearing (2) is abutted against the step surface, the end surface of the inner ring of the bearing (2) can be abutted against the shaft shoulder, the inner ring of the bearing (2) is in interference fit with the axle (3),
installing support (9) with axletree (3) are connected, installing support (9) include first connecting plate (91), second connecting plate (92) and third connecting plate (93), first connecting plate (91) can be connected with framework end beam, second connecting plate (92) with third connecting plate (93) all with first connecting plate (91) are connected perpendicularly, second connecting plate (92) with third connecting plate (93) respectively with the both ends of the axis direction of axletree (3) are connected.
2. The auxiliary wheel mounting structure according to claim 1, wherein the second connecting plate (92) and the third connecting plate (93) each include a mounting block and a mounting plate, the mounting plate is perpendicularly connected to the first connecting plate (91), the mounting block is connected to an end of the mounting plate away from the first connecting plate (91), a mounting hole is formed in the mounting block, and the mounting block is connected to the axle (3) by a bolt that is engaged with the mounting hole.
3. The auxiliary wheel mounting structure according to claim 1, characterized by further comprising an oil cup (8) provided on the auxiliary wheel (1), the oil cup (8) being used to inject lubricating oil into the bearing (2).
4. An auxiliary wheel mounting structure according to claim 3, further comprising a seal assembly for preventing leakage of the lubricating oil from the bearing end cover (4).
5. An auxiliary wheel mounting structure according to claim 4, wherein the seal assembly comprises a first seal ring (7), a second seal ring (6) and a third seal ring (5),
the first sealing ring (7) is positioned between the axle (3) and the auxiliary wheel (1),
the second sealing ring (6) is positioned on one side of the bearing end cover (4) which is jointed with the outer ring of the bearing (2),
and the third sealing ring (5) is positioned on the inner ring of the bearing end cover (4).
6. Auxiliary wheel mounting structure according to claim 5, characterized in that the first sealing ring (7) is a lip sealing ring.
7. An auxiliary wheel mounting structure according to claim 5, wherein the second seal ring (6) is a lip seal.
8. Auxiliary wheel mounting structure according to claim 5, characterized in that the third sealing ring (5) is an O-ring.
9. The auxiliary wheel mounting structure according to claim 1, wherein the bearing (2) is a tapered roller bearing.
10. A monorail car comprising an auxiliary wheel mounting structure, said auxiliary wheel mounting structure being as defined in any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489875.3A CN115782463A (en) | 2022-11-25 | 2022-11-25 | Auxiliary wheel mounting structure and monorail train |
| PCT/CN2022/135266 WO2024108624A1 (en) | 2022-11-25 | 2022-11-30 | Auxiliary wheel mounting structure and monorail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489875.3A CN115782463A (en) | 2022-11-25 | 2022-11-25 | Auxiliary wheel mounting structure and monorail train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115782463A true CN115782463A (en) | 2023-03-14 |
Family
ID=85441499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211489875.3A Pending CN115782463A (en) | 2022-11-25 | 2022-11-25 | Auxiliary wheel mounting structure and monorail train |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115782463A (en) |
| WO (1) | WO2024108624A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553927A (en) * | 1995-03-02 | 1996-09-10 | The Budd Company | Rear axle assembly with wheel end axial retention |
| CN208278073U (en) * | 2018-06-04 | 2018-12-25 | 重庆市轨道交通（集团）有限公司 | Straddle-type monorail train bogie rescues tooling |
| CN109458402A (en) * | 2018-11-30 | 2019-03-12 | 中钢集团西安重机有限公司 | A kind of running wheel mechanism of suspension type cover carriage |
| CN210310364U (en) * | 2019-08-13 | 2020-04-14 | 株洲中车特种装备科技有限公司 | Single axle bogie |
| CN210792701U (en) * | 2019-08-27 | 2020-06-19 | 比亚迪股份有限公司 | Trolley wheel set and trolley |
| CN212386237U (en) * | 2020-04-13 | 2021-01-22 | 中车长春轨道客车股份有限公司 | Safety wheel system for double-shaft straddle type monorail train bogie |
-
2022
- 2022-11-25 CN CN202211489875.3A patent/CN115782463A/en active Pending
- 2022-11-30 WO PCT/CN2022/135266 patent/WO2024108624A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024108624A1 (en) | 2024-05-30 |
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