CN111098885A - Skid of embedded medium-low speed maglev train maintenance platform - Google Patents
Skid of embedded medium-low speed maglev train maintenance platform Download PDFInfo
- Publication number
- CN111098885A CN111098885A CN202010075200.9A CN202010075200A CN111098885A CN 111098885 A CN111098885 A CN 111098885A CN 202010075200 A CN202010075200 A CN 202010075200A CN 111098885 A CN111098885 A CN 111098885A
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- CN
- China
- Prior art keywords
- shell
- shaft
- bearing
- bearing seat
- skid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004519 grease Substances 0.000 claims description 7
- 210000002445 nipple Anatomy 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000005339 levitation Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a skid of an embedded medium-low speed maglev train maintenance platform, which comprises hollow shells crossing two sides of a track and power supply rails arranged on the shells and parallel to each other, wherein the shells are connected through a plurality of cross beams; a plurality of rail wheels and a plurality of radial positioning structures thereof are arranged in each shell; the radial positioning structure comprises a shaft and a key, the shaft horizontally penetrates through the rail wheel and spans two sides of the shell, and the key is arranged in a key groove of the shaft and the rail wheel; axial positioning structures used for ensuring that the rail wheel and the shaft are axially static are arranged on two sides of the rail wheel; the axial positioning structure comprises a distance sleeve, a bearing and a retainer ring. The invention solves the technical problem of high driving energy consumption in the maintenance process of the magnetic suspension train in the prior art, and has the advantages of compactness, reliability, convenient maintenance, simple structure and the like.
Description
Technical Field
The invention relates to the technical field of embedded medium-low speed maglev train tracks, in particular to a skid of an embedded medium-low speed maglev train maintenance platform.
Background
The medium-low speed magnetic suspension train is one that suspends, guides and pulls by electromagnetic force. The medium-low speed magnetic levitation traffic has the advantages of low noise, low cost, strong climbing capability, small turning radius, short construction period and the like. At present, the medium and low speed magnetic levitation lines which are in passenger carrying operation in China comprise a Changsha magnetic levitation express line and a Beijing magnetic levitation S1 line.
The embedded medium-low speed magnetic levitation traffic system is a brand-new technology in the field of magnetic levitation, and in the aspect of technical performance, indexes such as the highest speed, the acceleration capability, the climbing capability, the turning radius, the energy consumption and the like of the embedded medium-low speed magnetic levitation traffic system are superior to those of the existing urban rail traffic systems such as Changsha magnetic levitation and Beijing magnetic levitation. The running track beam of the embedded medium-low speed maglev train and the train are of an encircling structure, the train cannot be directly placed on the track beam, and a special maintenance platform is required to be matched for ensuring the work of closing the embedded medium-low speed maglev train, transferring the embedded medium-low speed maglev train to a running line after closing the train, maintaining the train and the like.
Disclosure of Invention
The invention aims to provide a skid of an embedded medium-low speed maglev train maintenance platform, which aims to solve the technical problem of high driving energy consumption in the maglev train maintenance process in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a skid of an embedded maintenance platform of a medium-low speed maglev train comprises hollow shells crossing two sides of a track and power supply rails arranged on the shells in parallel, wherein the shells are connected through a plurality of cross beams;
a plurality of rail wheels and a plurality of radial positioning structures thereof are arranged in each shell; the radial positioning structure comprises a shaft and a key, the shaft horizontally penetrates through the rail wheel and spans two sides of the shell, and the key is arranged in a key groove of the shaft and the rail wheel;
axial positioning structures used for ensuring that the rail wheel and the shaft are axially static are arranged on two sides of the rail wheel; the axial positioning structure comprises a distance sleeve, a bearing and a retainer ring; the bearing seat is externally provided with a bearing seat, a circumferential annular groove is arranged in the bearing seat, a check ring is arranged in the annular groove and clings to the check ring, and the outer ring of the bearing seat is matched with the shell and is arranged on two sides of the shell;
a plurality of holes are formed in the lower side of the shell, and the rail wheels extend out of the shell through the holes to be in contact with the rails.
Optionally or preferably, the housing includes an upper housing and a long plate with one open side, the upper housing is welded to the long plate, and the hole is formed in the long plate.
Alternatively or preferably, the bearing housing outer race is in contact with the housing and the elongate plate.
Optionally or preferably, sealing structures are installed on two sides of the bearing, and each sealing structure comprises an oil seal, a grease nipple and a sealing plate; the oil seal is arranged among the bearing, the distance sleeve and the bearing seat, the grease nozzle is arranged on the bearing seat, and the sealing plate is arranged on the outer end face of the bearing seat.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
according to the skid of the maintenance platform of the embedded medium-low speed maglev train, the rolling mode of the track wheel of the skid is a roller bearing transmission mode, the bearing load is large, the rolling resistance is small, the bearing seat is provided with a lubricating oil groove for providing lubricating oil for the bearing, and the service life of the bearing is long; the installation of the track wheel is completely and axially positioned by the distance sleeve, the bearing and the check ring, and the track center distance is ensured.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric side view of the present invention;
FIG. 2 is a lower isometric view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1-axis; a 2-bond; 3-a rail wheel; 4-distance sleeve; 5-oil sealing; 6-a bearing; 7-a retainer ring; 8-grease nipple; 9-closing the plate; 10-a bearing seat; 11-a housing; 111-an upper shell; 112-long plate; 12-beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1-3:
a skid of an embedded maintenance platform of a medium-low speed maglev train comprises a hollow shell 11 and power supply rails (not shown in the figure), wherein the hollow shell 11 stretches across two sides of a track, and the shell 11 is connected through 2 cross beams 12;
2 track wheels 3 and 2 radial positioning structures thereof are arranged in the shell 11, and the track wheels are U-shaped track wheels; the radial positioning structure comprises a shaft 1 and a key 2, the shaft 1 horizontally penetrates through the U-shaped track wheel to cross two sides of the shell 11, and the key 2 is arranged in grooves of the shaft 1 and the key 2 of the U-shaped track wheel;
two sides of the U-shaped track wheel are provided with a shaft 1-direction positioning structure for ensuring that the U-shaped track wheel and the shaft 1 are relatively static in the shaft 1 direction; the axial 1-direction positioning structure comprises a distance sleeve 4, a bearing 6 and a retainer ring 7; the distance sleeve 4 is sleeved on the shaft 1 and tightly attached to the U-shaped track wheel, the bearing 6 is sleeved on the shaft 1 and tightly attached to the distance sleeve 4, a bearing seat 10 is arranged outside the bearing 6, a circumferential annular groove is formed in the bearing seat 10, a retainer ring 7 is arranged in the annular groove and tightly attached to the retainer ring 7, the outer ring of the bearing seat 10 is matched with the shell 11 and is arranged on two sides of the shell 11, and the size of a track center distance 2160 is ensured;
a plurality of holes are formed in the lower side of the shell 11, and the plurality of U-shaped track wheels extend out of the shell 11 through the holes to be in contact with the tracks; the rolling of U type rail wheel adopts bearing 6 transmission mode, and its load-carrying capacity is big, rolling resistance is little to bearing frame 10 has designed the lubricant bowl and provides lubricating oil for bearing 6, and bearing 6 long service life.
As an alternative embodiment, the housing 11 includes an upper housing 111 and a long plate 112 with one open side, the upper housing 111 is welded to the long plate 112, and the hole is formed in the long plate 112.
As an alternative embodiment, the bearing seat 10 outer race is in contact with the housing 11 and the long plate 112.
As an alternative embodiment, sealing structures are installed on two sides of the bearing 6, and the sealing structures comprise an oil seal 5, a grease nipple 8 and a sealing plate 9; the oil seal 5 is arranged among the bearing 6, the distance sleeve 4 and the bearing seat 10, the grease nipple 8 is arranged on the bearing seat 10, and the seal plate 9 is arranged on the outer end face of the bearing seat 10.
The working process of the invention is as follows:
the skid is driven by the U-shaped track wheels to move to the track beam, the power supply rail on the skid is contacted with the power supply rail on the track beam, then the train is driven to the skid under the conductive action of the power supply rail, and the skid drives the train to enter the maintenance area for maintenance.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. The utility model provides a skid of embedded low-speed maglev train maintenance platform in well which characterized in that: the device comprises a hollow shell (11) crossing two sides of a track and power supply rails arranged on the shell (11) and parallel to each other, wherein the shell (11) is connected through a plurality of cross beams (12);
a plurality of rail wheels (3) and a plurality of radial positioning structures thereof are arranged in each shell (11); the radial positioning structure comprises a shaft (1) and a key (2), the shaft (1) horizontally penetrates through the rail wheel (3) and spans on two sides of the shell (11), and the key (2) is arranged in key grooves of the shaft (1) and the rail wheel (3);
two sides of the rail wheel (3) are provided with shaft (1) direction positioning structures for ensuring the rail wheel (3) and the shaft (1) to be static relative to the shaft (1); the axial positioning structure (1) comprises a distance sleeve (4), a bearing (6) and a retainer ring (7); the track wheel bearing comprises a shaft (1), a spacing sleeve (4), a bearing (6), a bearing seat (10), a circumferential annular groove, a check ring (7), a shell (11), a bearing seat (10) and a shell (11), wherein the spacing sleeve (4) is sleeved on the shaft (1) and tightly attached to the track wheel (3), the bearing (6) is sleeved on the shaft (1) and tightly attached to the spacing sleeve (4), the bearing seat (6) is externally provided with the bearing seat (10), the bearing seat (10) is internally provided with the circumferential annular groove, the check ring (7) is arranged in the annular groove and;
a plurality of holes are formed in the lower side of the shell (11), and the plurality of track wheels (3) extend out of the shell (11) through the holes to be in contact with the tracks.
2. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 1, wherein: the shell (11) comprises an upper shell (111) and a long plate (112) with one open side, the upper shell (111) is welded with the long plate (112), and the hole is formed in the long plate (112).
3. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 2, wherein: the outer ring of the bearing seat (10) is in contact with the shell (11) and the long plate (112).
4. The skid of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 1, wherein: sealing structures are arranged on two sides of the bearing (6), and each sealing structure comprises an oil seal (5), a grease nipple (8) and a sealing plate (9); the oil seal (5) is arranged among the bearing (6), the distance sleeve (4) and the bearing seat (10), the grease nipple (8) is arranged on the bearing seat (10), and the sealing plate (9) is arranged on the outer end face of the bearing seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075200.9A CN111098885B (en) | 2020-01-22 | 2020-01-22 | Skid of embedded middle-low speed maglev train maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075200.9A CN111098885B (en) | 2020-01-22 | 2020-01-22 | Skid of embedded middle-low speed maglev train maintenance platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111098885A true CN111098885A (en) | 2020-05-05 |
| CN111098885B CN111098885B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010075200.9A Active CN111098885B (en) | 2020-01-22 | 2020-01-22 | Skid of embedded middle-low speed maglev train maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111098885B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5261799A (en) * | 1999-10-01 | 2001-04-05 | Toyota Steel Center Co., Ltd | Pallet for coil-shape heavy article, heavy-article carrying vehicle, stage for introducing/discharging heavy article to and from transporting receptacle, method of introducing heavy article and method of discharging heavy article |
| US20080173500A1 (en) * | 2007-01-22 | 2008-07-24 | Yoshio Shimizu | Upper and lower path switching device for traveling body for transportation |
| CN201530608U (en) * | 2009-08-06 | 2010-07-21 | 中汽昌兴（洛阳）机电设备工程有限公司 | Double-chain conveyor and conveying chain thereof |
| CN203728023U (en) * | 2014-01-03 | 2014-07-23 | 上海哲成汽车装备工程有限公司 | Automatic fixed roller bed system for automobile production line |
| CN212047367U (en) * | 2020-01-22 | 2020-12-01 | 四川新筑智能工程装备制造有限公司 | Skid of embedded medium-low speed maglev train maintenance platform |
-
2020
- 2020-01-22 CN CN202010075200.9A patent/CN111098885B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5261799A (en) * | 1999-10-01 | 2001-04-05 | Toyota Steel Center Co., Ltd | Pallet for coil-shape heavy article, heavy-article carrying vehicle, stage for introducing/discharging heavy article to and from transporting receptacle, method of introducing heavy article and method of discharging heavy article |
| US20080173500A1 (en) * | 2007-01-22 | 2008-07-24 | Yoshio Shimizu | Upper and lower path switching device for traveling body for transportation |
| CN201530608U (en) * | 2009-08-06 | 2010-07-21 | 中汽昌兴（洛阳）机电设备工程有限公司 | Double-chain conveyor and conveying chain thereof |
| CN203728023U (en) * | 2014-01-03 | 2014-07-23 | 上海哲成汽车装备工程有限公司 | Automatic fixed roller bed system for automobile production line |
| CN212047367U (en) * | 2020-01-22 | 2020-12-01 | 四川新筑智能工程装备制造有限公司 | Skid of embedded medium-low speed maglev train maintenance platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111098885B (en) | 2023-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210802 Address after: 611400 Sichuan Xinjin Industrial Park, Chengdu, Sichuan Applicant after: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. Address before: No. 58, south section of Industrial Avenue, Qinglong Town, Pengshan District, Meishan City, Sichuan Province, 620860 Applicant before: SICHUAN XINZHU INTELLIGENT ENGINEERING EQUIPMENT MANUFACTURING Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220809 Address after: 611430 No. 99, Xingyuan Third Road, Wujin street, Xinjin District, Chengdu, Sichuan Applicant after: Sichuan development Maglev Technology Co.,Ltd. Address before: 611400 Sichuan Xinjin Industrial Park, Chengdu, Sichuan Applicant before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |