CN109436019A - High speed railway track measuring instrument traveling wheel rotational angle measurement structure - Google Patents
High speed railway track measuring instrument traveling wheel rotational angle measurement structure Download PDFInfo
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- CN109436019A CN109436019A CN201811494042.XA CN201811494042A CN109436019A CN 109436019 A CN109436019 A CN 109436019A CN 201811494042 A CN201811494042 A CN 201811494042A CN 109436019 A CN109436019 A CN 109436019A
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- Prior art keywords
- traveling wheel
- encoder
- wheel
- gear
- brake
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
Abstract
The present invention relates to high speed railway track measuring instrument traveling wheel rotational angle measurement structures, including traveling wheel, electricity loss brake and photoelectric encoder, traveling wheel is installed on traveling wheel wheel shaft, electricity loss brake is installed on brake axle, photoelectric encoder is installed on encoder axis, and traveling wheel wheel shaft, brake axle and encoder axis are parallel to each other；The walking wheel gear synchronous with traveling wheel is provided on traveling wheel wheel shaft, the spragging gear synchronous with electricity loss brake is provided on brake axle, the encoder gear synchronous with photoelectric encoder is provided on encoder axis, spragging gear is located between walking wheel gear and encoder gear and engages respectively with the two.Traveling wheel and encoder are provided separately by the present invention, and are connected with each other by brake apparatus and one group of coupler gear, are realized and are rotated synchronously, can effectively avoid the idle running or stalling of traveling wheel, and the precision of the mileage measurement and resetting of rail measuring apparatus is significantly improved.
Description
Technical field
The invention belongs to railroad survey technical fields, and in particular to a kind of high speed railway track measuring instrument traveling wheel angle of rotation
Spend measurement structure.
Background technique
The traffic safety of High Speed Railway Trains is higher and higher to the ride comfort requirement of track, and orbital forcing detection is to protect
Demonstrate,prove the critical process of track high ride.At this stage, rail measuring apparatus is mostly used for the orbital forcing detection of high-speed railway
It carries out.Rail measuring apparatus is a kind of under the effect of no Train Wheel load, pushes traveling in rail surface, measures orbit geometry parameter
Portable tool.
In order to obtain the corresponding mileage information of orbit geometry parameter, usually on some traveling wheel wheel shaft of rail measuring apparatus
One encoder is installed, using the rotational angle of encoder measurement traveling wheel, achievees the purpose that measurement walking mileage.But by
It is smooth in traveling wheel wheel face, it is smaller in the adhesive force of rail surface, travel speed is relatively slow or starting, stop when, traveling wheel meeting
Because the reasons such as effect of inertia or skidding occur dallying or stall, so that the measurement result of above-mentioned this kind of rotational angle measurement structure
It is uncertain, cause that mileage measurement error is larger, repetitive positioning accuracy is lower, the orbit geometry parameter of acquisition cannot be with physical location
Accurate matching, is easy to appear error indication, is unfavorable for the disease discovery and regulation of track.
Summary of the invention
The object of the present invention is to provide a kind of high speed railway track measuring instrument traveling wheel rotational angle measurement structures, to realize
The accurate matching of orbit geometry parameter collected and mileage information.
The technical scheme adopted by the invention is as follows:
High speed railway track measuring instrument traveling wheel rotational angle measurement structure, it is characterised in that:
The structure includes traveling wheel, electricity loss brake and photoelectric encoder, and traveling wheel is installed on traveling wheel wheel shaft, power loss system
Dynamic device is installed on brake axle, and photoelectric encoder is installed on encoder axis, and traveling wheel wheel shaft, brake axle and encoder axis are mutual
In parallel；
It is provided with the walking wheel gear synchronous with traveling wheel on traveling wheel wheel shaft, is provided on brake axle synchronous with electricity loss brake
Spragging gear, the encoder gear synchronous with photoelectric encoder is provided on encoder axis, spragging gear is located at the walking gear teeth
It engages between wheel and encoder gear and with the two respectively.
The side shaft end of traveling wheel wheel shaft, brake axle and encoder axis is installation fixing end, is fixed to rail measuring apparatus master
In body structure.
Photoelectric encoder is fixed on another shaft end of encoder axis by holding mode.
Another shaft end of brake axle is fixed on the rotatable parts of electricity loss brake by screw.
The invention has the following advantages that
Traveling wheel rotational angle measurement structure of the present invention, traveling wheel and encoder are provided separately, and pass through braking dress
It sets and is connected with each other with one group of coupler gear, realize the synchronous rotation of 1:1.Loosening or holding tightly for brake apparatus, can effectively keep away
Exempt from the idle running or stalling of traveling wheel, it is ensured that encoder accurately measures the rotational angle of traveling wheel, significantly improves rail measuring apparatus
The precision of mileage measurement and resetting.
Detailed description of the invention
Fig. 1 is structure of the invention figure.
In figure, 1- traveling wheel, 2- walking wheel gear, 3- gear wheel, 4- electricity loss brake, 5- spragging gear, 6- encoder tooth
Wheel, 7- encoder axis, 8- photoelectric encoder, 9- brake axle, 10- traveling wheel wheel shaft.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of high speed railway track measuring instrument traveling wheel rotational angle measurement structure, the structure includes row
Wheel 1, electricity loss brake 4 and photoelectric encoder 8 are walked, traveling wheel 1 is installed on traveling wheel wheel shaft 10, and electricity loss brake 4 is installed on
On brake axle 9, photoelectric encoder 8 is installed on encoder axis 7, and traveling wheel wheel shaft 10, brake axle 9 and encoder axis 7 are mutually equal
Row.Wherein, the optional small storehouse OGURA permanent magnet brake for electricity losing MCNB-5GS of model Japan of electricity loss brake, photoelectric encoder can
Type selecting number is advisable section EC50P-5000.
It is provided with the walking wheel gear 2 synchronous with traveling wheel 1 on traveling wheel wheel shaft 10, is provided on brake axle 9 and power loss
The synchronous spragging gear 5 of brake 4 is provided with the encoder gear 6 synchronous with photoelectric encoder 8, brake tooth on encoder axis 7
Wheel 5 is located between walking wheel gear 2 and encoder gear 6 and engages respectively with the two.
The side shaft end of traveling wheel wheel shaft 10, brake axle 9 and encoder axis 7 is installation fixing end, is fixed to orbit measurement
In instrument main structure.Photoelectric encoder 8 is fixed on another shaft end of encoder axis 7 by holding mode.Another axis of brake axle 9
The rotatable parts of electricity loss brake 4 are fixed at end by screw.Another shaft end of traveling wheel wheel shaft 10 is provided with perpendicular
Gear wheel wheel shaft, gear wheel 3 is equipped on gear wheel wheel shaft, and the wheel face of gear wheel 3 abuts the side of track.
Traveling wheel wheel shaft 10, brake axle 9, encoder axis 7 both ends fit on radial bearing, guarantee that each axis flexibly turns
It is dynamic.
Electricity loss brake 4 is connect by cable with control switch, and photoelectric encoder 8 is connected by data cable and controller
It connects.
Brake axle 9 loosens after electricity loss brake 4 is powered, and traveling wheel 1 is free to rotate, passes through the wheel gear 2, brake tooth of walking
Wheel 5 and encoder gear 6 realize that the 1:1 of traveling wheel 1 and encoder axis 7 is rotated synchronously, the photoelectric coding of 7 end of encoder axis
Device 8 acquires the rotational angle information of encoder axis 7 in real time, realizes the continuous measurement function of 1 rotational angle of traveling wheel；Power loss braking
Brake axle 9 is held in the power-off of device 4 tightly, by spragging gear 5, walking wheel gear 2 and encoder gear 6, prevents 10 He of traveling wheel wheel shaft
The braking of traveling wheel 1 and photoelectric encoder 8 is realized in the rotation of encoder axis 7, stops the continuous measurement of 1 rotational angle of traveling wheel.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (4)
1. high speed railway track measuring instrument traveling wheel rotational angle measurement structure, it is characterised in that:
The structure includes traveling wheel (1), electricity loss brake (4) and photoelectric encoder (8), and traveling wheel (1) is installed on traveling wheel
On wheel shaft (10), electricity loss brake (4) is installed on brake axle (9), and photoelectric encoder (8) is installed on encoder axis (7), row
It is parallel to each other to walk wheel shaft (10), brake axle (9) and encoder axis (7)；
The walking wheel gear (2) synchronous with traveling wheel (1) is provided on traveling wheel wheel shaft (10), be provided on brake axle (9) with
The synchronous spragging gear (5) of electricity loss brake (4), encoder axis are provided with the encoder synchronous with photoelectric encoder (8) on (7)
Gear (6), spragging gear (5) are located between walking wheel gear (2) and encoder gear (6) and engage respectively with the two.
2. high speed railway track measuring instrument traveling wheel rotational angle measurement structure according to claim 1, it is characterised in that:
The side shaft end of traveling wheel wheel shaft (10), brake axle (9) and encoder axis (7) is installation fixing end, is fixed to track and surveys
It measures in instrument main structure.
3. high speed railway track measuring instrument traveling wheel rotational angle measurement structure according to claim 2, it is characterised in that:
Photoelectric encoder (8) is fixed on another shaft end of encoder axis (7) by holding mode.
4. high speed railway track measuring instrument traveling wheel rotational angle measurement structure according to claim 2, it is characterised in that:
Another shaft end of brake axle (9) is fixed on the rotatable parts of electricity loss brake (4) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494042.XA CN109436019A (en) | 2018-12-07 | 2018-12-07 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494042.XA CN109436019A (en) | 2018-12-07 | 2018-12-07 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109436019A true CN109436019A (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811494042.XA Pending CN109436019A (en) | 2018-12-07 | 2018-12-07 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891177A (en) * | 2020-06-24 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Rapid detection system for smoothness dynamic and static combination of high-speed railway track |
| CN114802358A (en) * | 2022-05-25 | 2022-07-29 | 武汉大学 | Track inspection vehicle positioning method and system based on visual identification |
| CN116161237A (en) * | 2023-02-17 | 2023-05-26 | 北京科技大学 | Rotary experiment table for flapping wing flying robot |
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| US6347265B1 (en) * | 1999-06-15 | 2002-02-12 | Andian Technologies Ltd. | Railroad track geometry defect detector |
| CN2557323Y (en) * | 2002-05-22 | 2003-06-25 | 周彬瑜 | Stepless clutch emergency brake for rigid clutch press |
| CN101058238A (en) * | 2007-03-30 | 2007-10-24 | 金志良 | Adjustable stepless electricity loss emergency braking device used for pressure machine |
| CN201023305Y (en) * | 2007-03-30 | 2008-02-20 | 金志良 | Fast safety brake device for pressing machine |
| CN201527266U (en) * | 2009-10-30 | 2010-07-14 | 成都普罗米新科技有限责任公司 | Rail geometrical state measuring apparatus |
| CN202614526U (en) * | 2012-06-06 | 2012-12-19 | 西北工业大学 | Multifunctional gear transmission test bed |
| CN108572259A (en) * | 2017-03-09 | 2018-09-25 | 华东交通大学 | A kind of novel locomotive speed measuring device |
| CN209336740U (en) * | 2018-12-07 | 2019-09-03 | 中铁第一勘察设计院集团有限公司 | A kind of high speed railway track measuring instrument traveling wheel rotational angle measurement structure |
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2018
- 2018-12-07 CN CN201811494042.XA patent/CN109436019A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347265B1 (en) * | 1999-06-15 | 2002-02-12 | Andian Technologies Ltd. | Railroad track geometry defect detector |
| CN2557323Y (en) * | 2002-05-22 | 2003-06-25 | 周彬瑜 | Stepless clutch emergency brake for rigid clutch press |
| CN101058238A (en) * | 2007-03-30 | 2007-10-24 | 金志良 | Adjustable stepless electricity loss emergency braking device used for pressure machine |
| CN201023305Y (en) * | 2007-03-30 | 2008-02-20 | 金志良 | Fast safety brake device for pressing machine |
| CN201527266U (en) * | 2009-10-30 | 2010-07-14 | 成都普罗米新科技有限责任公司 | Rail geometrical state measuring apparatus |
| CN202614526U (en) * | 2012-06-06 | 2012-12-19 | 西北工业大学 | Multifunctional gear transmission test bed |
| CN108572259A (en) * | 2017-03-09 | 2018-09-25 | 华东交通大学 | A kind of novel locomotive speed measuring device |
| CN209336740U (en) * | 2018-12-07 | 2019-09-03 | 中铁第一勘察设计院集团有限公司 | A kind of high speed railway track measuring instrument traveling wheel rotational angle measurement structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891177A (en) * | 2020-06-24 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Rapid detection system for smoothness dynamic and static combination of high-speed railway track |
| CN114802358A (en) * | 2022-05-25 | 2022-07-29 | 武汉大学 | Track inspection vehicle positioning method and system based on visual identification |
| CN116161237A (en) * | 2023-02-17 | 2023-05-26 | 北京科技大学 | Rotary experiment table for flapping wing flying robot |
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