CN207758802U - Both wired quick repetition measurement measured the mileage measurement wheel of vehicle - Google Patents
Both wired quick repetition measurement measured the mileage measurement wheel of vehicle Download PDFInfo
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- CN207758802U CN207758802U CN201721830276.8U CN201721830276U CN207758802U CN 207758802 U CN207758802 U CN 207758802U CN 201721830276 U CN201721830276 U CN 201721830276U CN 207758802 U CN207758802 U CN 207758802U
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Abstract
The utility model provides the mileage measurement wheel that a kind of both wired quick repetition measurement measures vehicle, including supporting rack and roll wheel unit, further include measuring wheel unit, roll belt and rotary encoder unit, rolling wheel unit has two groups and is arranged side by side in supporting rack, it includes scroll wheel and rolling shaft to roll wheel unit, the both ends of rolling shaft are fixed on supporting rack, scroll wheel is rotatably installed on rolling shaft, it includes wheel measuring wheel and measurement wheel bearing to measure wheel unit, wheel measuring wheel is located between two scroll wheels, the both ends of wheel measuring wheel all have rotary shaft, rotary shaft is installed on by measurement wheel bearing on support frame as described above, belt sleeve is rolled to be set to outside wheel measuring wheel and two scroll wheels, rotary encoder unit includes rotary encoder, the output shaft of rotary encoder is fixed with rotary shaft.The utility model stable structure, high certainty of measurement.
Description
Technical field
The utility model is related to the mileage field of measuring technique of Existing Railway Line track detecting more particularly to a kind of both wired
Quick repetition measurement measures the mileage measurement wheel of vehicle.
Background technology
In August, 2008, speed per hour reach being open to the traffic for the Beijing-Tianjin inter-city Line for Passenger Transportation of 350km, indicate Chinese Railway
World's high-speed railway prosperity ranks are ranked among, equipment of railway transportation modernization, control and management scientification, detection and failure are realized
The important breakthrough of the safeguard technologies such as intelligent diagnosis.Railway rail safety detection technique, which becomes, realizes high-speed railway fortune
Defeated safe basis.
China to the measuring study of track geometry status, is used to solve the track morpheme disease of common railway
Be that the rail inspection instrument of relative measurement mode is not easy to solve measurement accuracy and integrity problem though measurement efficiency is high, measure smart
Degree cannot meet the requirement of smoothness of high-speed railway track.Therefore the high-speed railway that Beijing-Tianjin, Wu Guang, Zheng Xi etc. are initially built, it is main
Import equipment is relied on, the measurement of what state of track is carried out using absolute measurement pattern.With China express railway construction
Extensive to implement, the country starts to produce track geometry status detection trolley and be applied in high speed railway construction.
The important indicator that small rail car measures is exactly that mileage number measures.The mileage measurement wheel of existing track detecting trolley
Basic principle is as follows：Orbital curve is obtained by measuring, conversion obtains mileage number.Or pass through idler wheel（Steel wheel or nylon
Wheel）It is directly contacted with rail, idler wheel connects rotary encoder, drives rotary encoder by the rotation of idler wheel, obtains turning collar
Number obtains relative motion mileage number by conversion.
Although the measurement to track various parameters may be implemented in existing track detecting trolley, but there are still some to lack
It falls into.The mileage to be converted by orbital curve is inaccurate.By way of idler wheel contact, whether steel wheel or nylon wheel
With can all be had skidded in being in rolling contact of rail, steel wheel is particularly evident, and mileage measurement error can be caused big.Long-term friction
It can make nylon wheel serious wear, the position that do not reach with rail can also increase the error of mileage measurement.
Mileage wheel just needs replacing after a period of use, and how mileage measurement wheel and the connection of orbit measurement trolley are accomplished
How convenient, quick replacement, ensure after repeated disassembled and assembled to repeat assembly precision to be also one to need the same topic considered carefully.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts with it is insufficient, a kind of high certainty of measurement, structure are provided
Stablize, assemble the mileage measurement wheel that both wired quick repetition measurement simple, easy to change measures vehicle.
The utility model is realized in this way：
The utility model provides the mileage measurement wheel that a kind of both wired quick repetition measurement measures vehicle, including supporting rack and scroll wheel
Unit further includes measuring wheel unit, rolling belt and rotary encoder unit, and the rollings wheel unit is with two groups and side by side
It is set in support frame as described above, it includes scroll wheel and rolling shaft that wheel unit is rolled described in each group, and the two of the rolling shaft
End is fixed on support frame as described above, and the scroll wheel is rotatably installed on the rolling shaft, the measurement wheel unit packet
Wheel measuring wheel and measurement wheel bearing are included, the wheel measuring wheel is located between two scroll wheels, the wheel measuring wheel
Both ends all have rotary shaft, the rotary shaft is installed on by the measurement wheel bearing on support frame as described above, the rolling skin
Band is sheathed on outside the wheel measuring wheel and two scroll wheels, and the rotary encoder unit includes rotary coding
Device, the output shaft of the rotary encoder are connect with the transmission of rotary axis.
Further, further include supporting rack compressing unit, support frame as described above compressing unit is with two groups and is respectively arranged in
The opposite both sides of support frame as described above.
Further, further include that belt compresses wheel unit, the belt compresses wheel unit and is located on the wheel measuring wheel
Just and the rolling belt is pressed on the wheel measuring wheel.
Further, it includes compressing wheel bearing, compressing wheel shaft and contact roller fixing piece that the belt, which compresses wheel unit, described
The both ends for compressing wheel shaft are fixed on by contact roller fixing piece on support frame as described above, and the compression wheel bearing is installed on the compression
On wheel shaft, the rolling belt is pressed on the wheel measuring wheel by the compression wheel bearing.
Further, the rolling wheel unit further includes scroll wheel bearing, and the scroll wheel passes through the scroll wheel bearing
It is installed on the rolling shaft.
Further, the outer surface of the scroll wheel and the wheel measuring wheel is all provided with teeth.
Further, the wheel measuring wheel is located at two scroll wheel upper middle sides.
Further, the rotary encoder unit further includes encoder fixed block, and the rotary encoder is fixed on institute
It states on encoder fixed block, the encoder fixed block is fixed on support frame as described above.
Further, support frame as described above compressing unit includes fixed block, guiding axis, linear compression spring and scotch, described
Fixed block is fixed on the side wall of support frame as described above, and the guiding axis is fixed on the fixed block, and the scotch socket is solid
Be scheduled on the guiding axis, the linear compression spring is set on the guiding axis and both ends abut respectively the fixed block with it is described
Scotch.
Further, the fixed block includes bearing fixed block and guide bearing, the guiding axis and the guide bearing
Fixed, the guide bearing is mounted on the bearing fixed block.
Compared with prior art, the utility model has the advantages that：
1, stable structure：The mileage measurement wheel of the utility model is the structure of almost symmetry, by the way that two scroll wheels are arranged
The contact area for rolling belt and rail is increased, rolling belt is arranged outside scroll wheel, it is straight by rolling belt and rail
Contact, increasing friction force are reduced and are skidded with rail.
2, high certainty of measurement：Scroll wheel drives measurement wheel by rolling belt, and measurement wheel is coaxial with rotary encoder, rotation
Encoder can directly obtain mileage by counting and converting.
Description of the drawings
Fig. 1 is the stereogram that both wired quick repetition measurement that the utility model embodiment provides measures the mileage measurement wheel of vehicle；
Fig. 2 is the front view that both wired quick repetition measurement that the utility model embodiment provides measures the mileage measurement wheel of vehicle；
Fig. 3 is on the horizontal plane for the mileage measurement wheel that both wired quick repetition measurement that the utility model embodiment provides measures vehicle
Sectional view；
Fig. 4 is on the vertical plane for the mileage measurement wheel that both wired quick repetition measurement that the utility model embodiment provides measures vehicle
Sectional view.
Reference sign：The main support element of 100- supporting racks, 101-, 102- pairs support element, 200- roll wheel unit, 201-
Scroll wheel bearing, 202- rolling shafts, 203- scroll wheels, 300- measure wheel unit, 301- measurement wheels bearing, 302- wheel measurings
Wheel, 400- roll belt, 500- belts compress wheel unit, 501- contact rollers fixing piece, 502- compress wheel bearing, 503- contact rollers
Axis, 600- rotary encoders unit, 601- encoders fixed block, 602- shaft couplings, 603- rotary encoders, 700- supporting rack pressures
Tight unit, 701- bearings fixed block, 702- guide bearings, 703- guiding axis, the linear compression springs of 704-, 705- scotch.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model embodiment provides the mileage measurement wheel that a kind of both wired quick repetition measurement measures vehicle, packet
Supporting rack 100 is included, wheel unit 200 is rolled, measures wheel unit 300, rolls belt 400, rotary encoder unit 600 and support
Frame compressing unit 700.
As shown in Figure 1, support frame as described above 100 includes main support element 101 and secondary support element 102, the pair support element 102 is in
Inverted U, centre have accommodation space, and the main support element 101 is plate-like, and there are two the tools of main support element 101 and solid respectively
Due in the opening at 102 both ends of the secondary support element.As shown in Figures 2 to 4, the rolling wheel unit 200 has two groups and simultaneously
Row is set in support frame as described above 100, has interval, scroll wheel list described in each group between rolling wheel unit 200 described in two groups
Member 200 includes scroll wheel 203 and rolling shaft 202, and the both ends of the rolling shaft 202 are individually fixed in the secondary support element
In 102 two side walls, the scroll wheel 203 is rotatably installed on the rolling shaft 202, it is preferable that the rolling
Wheel unit 200 further includes scroll wheel bearing 201, and the scroll wheel 203 is installed on the rolling by the scroll wheel bearing 201
On wheel shaft 202, the outside and the inside of the scroll wheel 203 of the scroll wheel bearing 201 are fixed, the scroll wheel bearing 201
Inside and the rolling shaft 202 fix so that the scroll wheel 203 can not only be rotated around the rolling shaft 202, and
And it is easy to disassemble, convenient for subsequently replacing the scroll wheel 203.By be arranged two scroll wheels 203 increase roll belt 400 with
The contact area of rail.
As shown in Figure 2 and Figure 4, the measurement wheel unit 300 includes wheel measuring wheel 302 and measurement wheel bearing 301, described
Wheel measuring wheel 302 is located between two scroll wheels 203, and the both ends of the wheel measuring wheel 302 all have rotary shaft, and two
A rotary shaft is installed in the two side walls of the secondary support element 102 respectively by the measurement wheel bearing 301, to institute
Stating wheel measuring wheel 302 can rotate relative to support frame as described above 100.The rolling belt 400 is sheathed on the wheel measuring wheel
302 and two scroll wheels 203 outside, be arranged in the outside of scroll wheel 203 and roll belt 400, by roll belt 400 with
Rail is in direct contact, increasing friction force, is reduced and is skidded with rail, and the scroll wheel 203 passes through the rolling belt 400 when rotating
Transmission drives the wheel measuring wheel 302 to rotate.Preferably, the wheel measuring wheel 302 is located in two scroll wheels 203
Between side on the upper side, three's line of centres be in isosceles triangle, stable structure.Further, the outer surface of the scroll wheel 203 is equipped with
The outer surface of tooth, the wheel measuring wheel 302 also is provided with tooth, can increase and roll the frictional force between belt 400, prevent from rolling
Dynamic belt 400 skids.
As shown in figures 1 and 3, the rotary encoder unit 600 includes rotary encoder 603, the rotary encoder
603 output shaft is fixed by shaft coupling 602 and the rotary shaft, can be with to the output shaft of the rotary encoder 603
It the wheel measuring wheel 302 to rotate, to record the turnning circle of wheel measuring wheel 302.The scroll wheel 203 passes through rolling
Belt 400 drives wheel measuring wheel 302 to rotate, and wheel measuring wheel 302 and rotary encoder 603 are coaxial, and rotary encoder 603 is logical
Mileage can be directly obtained by crossing counting and conversion.Further, the rotary encoder unit 600 further includes that encoder is solid
Determine block 601, the rotary encoder 603 is fixed on the encoder fixed block 601, and the encoder fixed block 601 is fixed
In the outside of the secondary support element 102, to which the rotary encoder 603 is fixed on support frame as described above 100.
As shown in Figure 1, Figure 2 and Figure 4, support frame as described above compressing unit 700 has two groups and is respectively arranged in described in two
The outside of main support element 101, two groups of support frame as described above compressing units 700 are symmetrically installed, and ensure force balance.Refinement ground, it is each
Support frame as described above compressing unit 700 includes fixed block, guiding axis 703, linear compression spring 704 and scotch 705, the fixed block
It is fixed with the corresponding main backstop 100, the guiding axis 703 is fixed on the fixed block, and the scotch 705 is socketed
It is fixed on the guiding axis 703, when use, the scotch 705 was mutually fixed with vehicle is measured, and the linear compression spring 704 is set in
On the guiding axis 703 and both ends abut the fixed block and the scotch 705 respectively.What the linear compression spring 704 was installed
Original state is compression, and it is whole to compress downwards that when use can compress downwards the fixed block under the reply force effect of spring
A mileage measurement wheel, makes scroll wheel 203 be tightly attached on rail, increasing friction force, reduces and skids with rail.It is surveyed in order to facilitate mileage
Dismounting between amount wheel and measurement vehicle car body, the fixed block includes bearing fixed block 701 and guide bearing 702, the guiding
Axis 703 is fixed with the guide bearing 702, and the guide bearing 702 is mounted on the bearing fixed block 701, so as to
By the way that the guide bearing 702 is disassembled from the bearing fixed block 701 so that mileage measurement wheel and measurement vehicle car body
Between detach.
As shown in Figure 1 and Figure 4, it is further preferred that further including that belt compresses wheel unit 500, the belt contact roller list
Member 500 includes compressing wheel bearing 502, compressing wheel shaft 503 and contact roller fixing piece 501, and the both ends for compressing wheel shaft 503 pass through
Contact roller fixing piece 501 is fixed on support frame as described above 100, and there are two the tools of compression wheel bearing 502 and is mounted on described
It compresses on wheel shaft 503, the surface for compressing wheel bearing 502 and being located at the wheel measuring wheel 302, the compression wheel bearing
502 are pressed in the rolling belt 400 on the wheel measuring wheel 302.Pass through the compression wheel bearing 502 and the rotation
Measurement wheel 302 compresses rolling belt 400 therebetween, and reduction rolls between the between cog between belt 400 and wheel measuring wheel 302
Gap, error caused by between cog step-out when preventing from being driven.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of both wired quick repetition measurement measures the mileage measurement wheel of vehicle, including supporting rack and rolling wheel unit, it is characterised in that：
Further include measuring wheel unit, rolling belt and rotary encoder unit, the rolling wheel unit has two groups and is arranged side by side
Include scroll wheel and rolling shaft in rolling wheel unit in support frame as described above, described in each group, the both ends of the rolling shaft are solid
Due on support frame as described above, the scroll wheel is rotatably installed on the rolling shaft, and the measurement wheel unit includes rotation
Turning measurement wheel and measurement wheel bearing, the wheel measuring wheel is located between two scroll wheels, and the two of the wheel measuring wheel
End all has rotary shaft, and the rotary shaft is installed on by the measurement wheel bearing on support frame as described above, the rolling belt sleeve
Outside the wheel measuring wheel and two scroll wheels, the rotary encoder unit includes rotary encoder, institute
The output shaft for stating rotary encoder is connect with the transmission of rotary axis.
2. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：It further include support
Frame compressing unit, support frame as described above compressing unit have two groups and are respectively arranged in the opposite both sides of support frame as described above.
3. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：It further include belt
Wheel unit is compressed, the belt compresses wheel unit and is located above the wheel measuring wheel and is pressed in the rolling belt described
On wheel measuring wheel.
4. as claimed in claim 3 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The belt pressure
Bearing up pulley unit includes compressing wheel bearing, compressing wheel shaft and contact roller fixing piece, and the both ends for compressing wheel shaft are solid by contact roller
Determine part to be fixed on support frame as described above, the compression wheel bearing is installed on the compression wheel shaft, and the compression wheel bearing is by institute
Rolling belt is stated to be pressed on the wheel measuring wheel.
5. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The scroll wheel
Unit further includes scroll wheel bearing, and the scroll wheel is installed on by the scroll wheel bearing on the rolling shaft.
6. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The scroll wheel
It is all provided with the outer surface of the wheel measuring wheel with teeth.
7. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The rotation is surveyed
Amount wheel is located at two scroll wheel upper middle sides.
8. as claimed in claim 7 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The rotation is compiled
Code device unit further includes encoder fixed block, and the rotary encoder is fixed on the encoder fixed block, the encoder
Fixed block is fixed on support frame as described above.
9. as described in claim 1 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：Support frame as described above
Compressing unit includes fixed block, guiding axis, linear compression spring and scotch, and the fixed block is fixed on the side wall of support frame as described above
On, the guiding axis is fixed on the fixed block, and the scotch is fixed by socket on the guiding axis, the linear compression spring
It is set on the guiding axis and both ends abuts the fixed block and the scotch respectively.
10. as claimed in claim 9 both wired quick repetition measurement measures the mileage measurement wheel of vehicle, it is characterised in that：The fixation
Block includes bearing fixed block and guide bearing, and the guiding axis is fixed with the guide bearing, and the guide bearing is mounted on institute
It states on bearing fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830276.8U CN207758802U (en) | 2017-12-25 | 2017-12-25 | Both wired quick repetition measurement measured the mileage measurement wheel of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830276.8U CN207758802U (en) | 2017-12-25 | 2017-12-25 | Both wired quick repetition measurement measured the mileage measurement wheel of vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN207758802U true CN207758802U (en) | 2018-08-24 |
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ID=63188125
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721830276.8U Active CN207758802U (en) | 2017-12-25 | 2017-12-25 | Both wired quick repetition measurement measured the mileage measurement wheel of vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985337A (en) * | 2017-12-25 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | Both the mileage measurement wheel of wired quick repetition measurement measurement car |
-
2017
- 2017-12-25 CN CN201721830276.8U patent/CN207758802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985337A (en) * | 2017-12-25 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | Both the mileage measurement wheel of wired quick repetition measurement measurement car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210809 Address after: 430063 No. 745 Heping Avenue, Wuchang, Hubei, Wuhan Patentee after: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Patentee after: China National Railway Group Co.,Ltd. Patentee after: CHINA RAILWAY NANCHANG BUREAU GROUP Co.,Ltd. Address before: 430063 No. 745 Heping Avenue, Wuchang, Hubei, Wuhan Patentee before: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |