CN209384044U - A kind of fixed frog centre wing rail differential height detecting ruler - Google Patents
A kind of fixed frog centre wing rail differential height detecting ruler Download PDFInfo
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- CN209384044U CN209384044U CN201920013058.8U CN201920013058U CN209384044U CN 209384044 U CN209384044 U CN 209384044U CN 201920013058 U CN201920013058 U CN 201920013058U CN 209384044 U CN209384044 U CN 209384044U
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- ruler
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Abstract
The utility model relates to a kind of fixed frog centre wing rail differential height detecting rulers comprising fixed ruler, moving ruler, digital display reader, elastic shrinkage device and stroke switching mechanism；Fixed ruler offers sliding cavity from one end end to the other end；One end of moving ruler penetrates in sliding cavity, and the other end is stretched out to sliding cavity outside；Digital display reader is slidably mounted on fixed ruler；Elastic shrinkage device is mounted in sliding cavity, and one end of which is fixed on the internal chamber wall of the sliding cavity, the other end is movable end and is fixedly connected with one end end that moving ruler penetrates on the inside of sliding cavity；Connection is matched by stroke switching mechanism between moving ruler and digital display reader, gives the stroke of moving ruler or displacement conversion to digital display reader.The design of the utility model structure is simple, rationally, operates with simple and convenient, and positioning centering is fast, accuracy of reading, and detection efficiency and detection accuracy are high.
Description
Technical field
The utility model relates to a kind of detection rulers, and in particular to a kind of fixed frog centre wing rail differential height detecting ruler.
Background technique
The heart wing rail height difference of fixed railway frog is related to the matching after train wheel is contacted with railway frog, directly affects railway frog
Service life, be both needed to be controlled in railway frog assembling and when heart rail Abrasion detecting, to ensure that wheel smoothly passes through, have railway frog
There is longer service life.It is main at present to be detected using the Special gauge of template, depthometer or similar depths ruler, it is ensured that
Range of the heart wing rail height difference in design requirement after railway frog assembling.Though template detection can quickly determine whether heart wing rail height difference meets
It is required that but can only qualitatively judge, specific value cannot be provided and be unfavorable for repair adjustment in assembling process.Depthometer or similar depths
The Special gauge of ruler is mainly made of horizontal ruler and vertical shrinkage-rule, although numerical value quantitative can be measured, when measurement is needed
Lower left and right to positive heart rail top surface, tighten lock-screw and read again, measurement process operation is more, is unfavorable for the raising of production efficiency.
Summary of the invention
The problem of for above-mentioned background technique, it is simple, reasonable that the utility model proposes a kind of designs of structure, behaviour
Make easy to use, positioning centering is fast, accuracy of reading, detection efficiency and the high fixed frog centre wing rail height difference of detection accuracy
Detection ruler.
The technical solution of the utility model is as follows:
Above-mentioned fixed frog centre wing rail differential height detecting ruler including fixed ruler and is movably installed on the fixed ruler
Moving ruler；The detection ruler further includes digital display reader, elastic shrinkage device and stroke switching mechanism；The fixed ruler is from one end
End offers sliding cavity to the other end；One end matching of the moving ruler penetrate in the sliding cavity and with the sliding cavity it
Between clearance fit connect, the other end of the moving ruler is to stretching out on the outside of the sliding cavity；The digital display reader is slidably installed
It can move on the fixed ruler and along the blade length direction of the fixed ruler, its underpart is vertically-mounted sleeve；The set
Cylinder internal sleeve is equipped with detector vertical bar, and the detector vertical bar and the sleeve are slidably connected；The detector vertical bar
Lower end end is equipped with detector；The elastic shrinkage device is mounted in the sliding cavity, and one end of which is fixed on the slidings
The internal chamber wall of chamber, the other end are movable end and are fixedly connected with one end end that the moving ruler penetrates on the inside of the sliding cavity；
When the moving ruler is pulled by external force, the elastic shrinkage device starts to generate convergent force, and the external force suffered by the moving ruler disappears
Except when, the moving ruler is drawn into the sliding cavity by the convergent force of the elastic shrinkage device；The moving ruler with it is described
It is matched and is connected by the stroke switching mechanism between digital display reader, by the stroke of the moving ruler or displacement conversion to institute
State digital display reader.
The fixed frog centre wing rail differential height detecting ruler, in which: opened up inside the lower end end of the detector vertical bar
There is threaded hole and the detector is fitted with by threaded hole；The lower part of the detector is semi-cylindrical structure and length
The length direction keeping parallelism in direction and the fixed ruler.
The fixed frog centre wing rail differential height detecting ruler, in which: the other end bottom surface of the fixed ruler extends downwardly shape
At there is fixed ruler clamping head.
The fixed frog centre wing rail differential height detecting ruler, in which: the moving ruler includes base portion and sliding bar；The base
Portion, bottom surface, one end has been downwardly extending moving ruler clamping head, and other end end is connected as one with described sliding bar one end；Institute
The other end matching for stating sliding bar penetrates in the sliding cavity and clearance fit is connect between the sliding cavity.
The fixed frog centre wing rail differential height detecting ruler, in which: the other end of the elastic shrinkage device is movable end
And it is fixedly connected with one end end that the sliding bar penetrates on the inside of the sliding cavity.
The fixed frog centre wing rail differential height detecting ruler, in which: the sliding bar penetrates one on the inside of the sliding cavity
End also matching is equipped with the first rack gear；The trailing flank also Matching installation of the digital display reader has the second rack gear.
The fixed frog centre wing rail differential height detecting ruler, in which: the stroke switching mechanism includes first gear and
Two gears；The first gear and second gear are mounted in same root installation axle and by the installation axle Matching installation in institute
It states on fixed ruler；The first gear is engaged with first rack gear matching being mounted on the sliding bar；Second tooth
It takes turns and is engaged with second rack gear matching being mounted on the digital display reader.
The fixed frog centre wing rail differential height detecting ruler, in which: the number of teeth of the first gear and the second gear
Than for 2:1.
The utility model has the advantages that
The design of the utility model fixed frog centre wing rail differential height detecting ruler structure is simple, reasonable, operates with simple side
Just, positioning centering is fast, the power that accuracy of reading, especially fixed ruler clamping head and moving ruler clamping head are provided by elastic shrinkage device into
Row voluntarily clamps, and connection is matched by stroke switching mechanism between moving ruler and the digital display reader, by the row of moving ruler
Digital display reader is given in journey or displacement conversion, as the variation of measurement position and the stroke of moving ruler or change in displacement drive digital display to read
The detector of number devices is looked for automatically, eliminates the hand-operated clamping operation at different measurement positions, there is no perpendicular ruler by hand to just,
In looking for, measurement, locking, reading etc. operation, realize the high difference of quick, convenient and fast measurement heart wing rail, thus improve detection imitate
Rate and detection accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model fixed frog centre wing rail differential height detecting ruler.
Fig. 2 is the schematic diagram that the utility model fixed frog centre wing rail differential height detecting ruler measures heart rail and wing rail height difference.
Fig. 3 is the utility model fixed frog centre wing rail differential height detecting ruler to zero piece of structural schematic diagram.
Fig. 4 is the digital display reader of the utility model fixed frog centre wing rail differential height detecting ruler to zero schematic diagram.
Fig. 5 is the structural schematic diagram of the digital display reader of the utility model fixed frog centre wing rail differential height detecting ruler.
Fig. 6 is the section view in the direction A-A of the digital display reader of the utility model fixed frog centre wing rail differential height detecting ruler
Figure.
Fig. 7 is stroke switching mechanism and the first rack gear, the of the utility model fixed frog centre wing rail differential height detecting ruler
The cooperation schematic diagram of two rack gears.
Fig. 8 is stroke switching mechanism and the first rack gear, the of the utility model fixed frog centre wing rail differential height detecting ruler
Another cooperation schematic diagram of two rack gears.
Specific embodiment
As shown in Fig. 1 to Fig. 8 the utility model fixed frog centre wing rail differential height detecting ruler, including fixed ruler 1, moving ruler
2, digital display reader (digital display centimeter) 3, stroke switching mechanism 4 and elastic shrinkage device 5.
The long plate structure that the fixed ruler 1 is integrated, offers from length direction one end end to the length direction other end
Sliding cavity 11, length direction other end bottom surface have been downwardly extending fixed ruler clamping head 12；Wherein, the fixed ruler clamping head 12
It is made of the wear-resistant material of high rigidity, the blade bottom surface of the fixed ruler 1 is positioning sliding surface and equally uses high rigidity and height
Wearability.
The moving ruler 2 is also structure as a whole and including base portion 21 and sliding bar 22；Wherein, 21 one end bottom surface of base portion is downward
Moving ruler clamping head 211 is extended to form, other end end is connected as one with 22 one end end of sliding bar；The moving ruler clamps
First 211 are made of the wear-resistant material of high rigidity.22 other end of sliding bar matching penetrates in the sliding cavity 11 of the fixed ruler 1,
Small―gap suture is cooperatively connected between the sliding bar 22 and sliding cavity 11；In use, the sliding bar 22 is in sliding cavity 11 along length side
To telescopic variation, geometry deformation very little, is not enough to influence measurement data accuracy caused by small―gap suture cooperates；Wherein, the sliding
Also matching is equipped with the first rack gear 221 to bar 22 along its length；The bottom surface of the sliding bar 22 is positioning sliding surface and equally uses high
Hardness and high-wearing feature material.
The digital display reader 3 is slidably mounted on fixed ruler 1 and can move along the blade length direction of fixed ruler 1, under
Portion is vertically-mounted sleeve 31；31 internal sleeve of sleeve be equipped with detector vertical bar 32, detector vertical bar 32 can be in sleeve 31 on
Lower movement is to achieve the purpose that detect height difference；Threaded hole is offered inside the lower end end of the detector vertical bar 32 and passes through screw thread
Hole is fitted with detector 33, is convenient for 33 disassembling, assembling and replacing of detector using being threadedly coupled.The lower part of the detector 33 be with
The semi-cylindrical structure of certain length can eliminate 33 center of detector and miss with by the measurement that thought-read rail center is not overlapped and is generated
Difference；The length direction of the lower semicircular column structure of the detector 33 and the length direction keeping parallelism of fixed ruler 1；The digital display is read
The trailing flank of number device 3 is also equipped with the second rack gear 34.
The moving ruler 2 matches connection with digital display reader 3 by stroke switching mechanism 4, by the stroke of moving ruler 2 or position
Digital display reader 3 is given in transfer.Wherein, the trip switching mechanism 4 includes first gear 41 and second gear 42；The first gear
41 and 42 gear ratio of second gear be 2:1, the first gear 41 and second gear 42 are mounted in same root installation axle and pass through
The installation axle Matching installation is on fixed ruler 1；The first gear 41 is matched with the first rack gear 221 being mounted on sliding bar 22 and is nibbled
It closes；The second gear 42 is matched with the second rack gear 34 for being mounted on digital display reader 3 and is engaged.Moving ruler 2 can pass through row when mobile
Journey switching mechanism 4 drives digital display reader 3 mobile, reaches displacement transmitted purpose；Due to first gear 41 and second gear 42
Gear ratio be 2:1, because the stroke of moving ruler 2 or displacement can be halved conversion to digital display reader 3 by this trip switching mechanism 4,
Such as 2 moving distance of moving ruler be 10mm when, digital display reader moving distance be 5mm, can thus make fixed ruler clamping head
Between 12 and moving ruler clamping head 211 when distance change, the center of digital display reader 3 is in fixed ruler clamping head 12 always and lives
Middle position between dynamic ruler clamping head 211.
The elastic shrinkage device 5 is mounted in the sliding cavity 11 of the fixed ruler 1, and one end of which is fixed on the slidings of fixed ruler 1
11 internal chamber wall of chamber, the other end is movable end and one end end for penetrating the inside of sliding cavity 11 with the sliding bar of moving ruler 2 22 is fixed
Connection；When external force pulls moving ruler 2, elastic shrinkage device 4 starts to generate convergent force, when external force is eliminated, elastic shrinkage dress
Setting 4 convergent force can pull in moving ruler 2 in the sliding cavity 11 of fixed ruler 1；In use, the convergent force of elastic shrinkage device 4
Clamping force is provided for the detection ruler of the utility model, rail is clamped by fixed ruler clamping head 12 and moving ruler clamping head 211, is surveyed
After the power that elastic shrinkage device 4 provides during amount makes fixed ruler clamping head 12 and moving ruler clamping head 211 clamp rail frog,
Digital display reader 3 is in 211 middle position of fixed ruler clamping head 12 and moving ruler clamping head, at this time and the heart of corresponding rail frog
Rail position.
As shown in figure 4, the utility model is set to zero before measuring for the first time with to zero piece of 6 value by digital display reader 3, survey
The value shown on digital display reader 3 when amount is the high difference of heart wing rail of the measured place.
The design of the utility model structure is simple, rationally, operates with simple and convenient, and positioning centering is fast, accuracy of reading, detection
Efficiency and detection accuracy are high.
Claims (8)
1. a kind of fixed frog centre wing rail differential height detecting ruler, including fixed ruler and the activity being movably installed on the fixed ruler
Ruler；It is characterized by: the detection ruler further includes digital display reader, elastic shrinkage device and stroke switching mechanism；
The fixed ruler offers sliding cavity from one end end to the other end；One end matching of the moving ruler penetrates the sliding
Intracavitary and clearance fit is connect between the sliding cavity, the other end of the moving ruler is to stretching out on the outside of the sliding cavity；
The digital display reader is slidably mounted on the fixed ruler and can move along the blade length direction of the fixed ruler,
Lower vertical is equipped with sleeve；The sleeve inner is arranged with detector vertical bar, and the detector vertical bar and the sleeve slide
It is cooperatively connected；The lower end end of the detector vertical bar is equipped with detector；
The elastic shrinkage device is mounted in the sliding cavity, and one end of which is fixed on the internal chamber wall of the sliding cavity, the other ends
It is fixedly connected for movable end and with one end end that the moving ruler penetrates on the inside of the sliding cavity；The moving ruler is drawn by external force
When dynamic, the elastic shrinkage device starts to generate convergent force, and when the external force suffered by the moving ruler is eliminated, the moving ruler is by institute
The convergent force for stating elastic shrinkage device is drawn into the sliding cavity；
Connection is matched by the stroke switching mechanism between the moving ruler and the digital display reader, by the moving ruler
Stroke or displacement conversion to the digital display reader.
2. fixed frog centre wing rail differential height detecting ruler as described in claim 1, it is characterised in that: the detector vertical bar
Threaded hole is offered inside the end of lower end and the detector is fitted with by threaded hole；The lower part of the detector is half
The length direction keeping parallelism of cylindrical structure and length direction and the fixed ruler.
3. fixed frog centre wing rail differential height detecting ruler as described in claim 1, it is characterised in that: the fixed ruler it is another
End bottom surface has been downwardly extending fixed ruler clamping head.
4. fixed frog centre wing rail differential height detecting ruler as described in claim 1, it is characterised in that: the moving ruler includes base
Portion and sliding bar；Described base portion one end bottom surface has been downwardly extending moving ruler clamping head, other end end and the sliding bar
One end is connected as one；The other end matching of the sliding bar penetrates in the sliding cavity and gap is matched between the sliding cavity
Close connection.
5. fixed frog centre wing rail differential height detecting ruler as claimed in claim 4, it is characterised in that: the elastic shrinkage device
The other end be movable end and to be fixedly connected with one end end that the sliding bar penetrates on the inside of the sliding cavity.
6. fixed frog centre wing rail differential height detecting ruler as claimed in claim 4, it is characterised in that: the sliding bar penetrates institute
One end on the inside of sliding cavity is stated also to match equipped with the first rack gear；The trailing flank also Matching installation of the digital display reader has the second tooth
Item.
7. fixed frog centre wing rail differential height detecting ruler as claimed in claim 6, it is characterised in that: the stroke switching mechanism
Including first gear and second gear；
The first gear and second gear are mounted in same root installation axle and by the installation axle Matching installation described
On fixed ruler；
The first gear is engaged with first rack gear matching being mounted on the sliding bar；
The second gear is engaged with second rack gear matching being mounted on the digital display reader.
8. fixed frog centre wing rail differential height detecting ruler as claimed in claim 7, it is characterised in that: the first gear and institute
The gear ratio for stating second gear is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920013058.8U CN209384044U (en) | 2019-01-04 | 2019-01-04 | A kind of fixed frog centre wing rail differential height detecting ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920013058.8U CN209384044U (en) | 2019-01-04 | 2019-01-04 | A kind of fixed frog centre wing rail differential height detecting ruler |
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| Publication Number | Publication Date |
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| CN209384044U true CN209384044U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920013058.8U Active CN209384044U (en) | 2019-01-04 | 2019-01-04 | A kind of fixed frog centre wing rail differential height detecting ruler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518552A (en) * | 2019-01-04 | 2019-03-26 | 中铁宝桥集团有限公司 | A kind of fixed frog centre wing rail differential height detecting ruler |
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2019
- 2019-01-04 CN CN201920013058.8U patent/CN209384044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518552A (en) * | 2019-01-04 | 2019-03-26 | 中铁宝桥集团有限公司 | A kind of fixed frog centre wing rail differential height detecting ruler |
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