CN204881446U - Subway condact rail dipperstick - Google Patents
Subway condact rail dipperstick Download PDFInfo
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- CN204881446U CN204881446U CN201520642143.2U CN201520642143U CN204881446U CN 204881446 U CN204881446 U CN 204881446U CN 201520642143 U CN201520642143 U CN 201520642143U CN 204881446 U CN204881446 U CN 204881446U
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- elevation carrection
- blade
- scale
- bar
- slide
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a subway condact rail dipperstick, include the blade and install on the blade and can follow the gliding slide bar of blade, be provided with the benchmark scale on the slide bar, be provided with deviation scale on the blade, still be provided with on the slide bar and be used for measuring the lead high measuring mechanism of condact rail bottom surface apart from rail rail surface height. The utility model provides a subway condact rail dipperstick, the work height and the deviant of its ability direct measurement condact rail to not fragile, measurement accuracy is high.
Description
Technical field
The utility model relates to a kind of subway contact rail dip stick, leads height, stagger and rail spacing for what measure subway, belongs to the maintenance of subway power supply conductor rail and measures Work tool technical field.
Background technology
Current subway adopts conductor rail (also known as the 3rd rail) power supply, when overhauling, need working depth (also known as leading height) and the off-set value (also known as stagger) of measuring conductor rail, the homemade dip stick of unit in charge of construction is generally continued to use in current measurement, a scale is respectively welded in the horizontal and vertical direction, termination of this chi, horizontal direction is for measuring conductor rail off-set value (also known as stagger), vertical direction measures conductor rail working depth (also known as leading height), Long-Time Service weares and teares, measuring scale gap can be caused to increase, affect measuring accuracy, and due to dip stick blade length too large, can not carry with, engineering truck is needed to be transported to maintenance station, prior art also has foldable aluminium alloy conductor rail dip stick, although this dip stick is convenient for carrying, but still there is following drawback: the first, owing to have employed accordion structure, need to unclamp bolt during measurement and launch adjustment, junction is easily damaged, and blade poor rigidity, affects measuring accuracy, the second, gap, measuring head shift position is large, causes measuring error large, three, cannot measure Rail distance, need other tape measure or gauging rule conjunction measuring, just can calculate conductor rail off-set value (also known as stagger), length consuming time, efficiency is low.
Utility model content
Based on above deficiency, the technical problems to be solved in the utility model is to provide a kind of subway contact rail dip stick, and it directly can measure working depth and the off-set value of conductor rail, and not fragile, and measuring accuracy is high.
For solving above technical matters, the utility model have employed following technical scheme:
A kind of subway contact rail dip stick, comprise blade and be arranged on the slide bar that blade also can slide along blade, described slide bar is provided with reference graduation, described blade is provided with deviation scale, described slide bar is also provided with and leads high measurement mechanism for what measure conductor rail bottom surface distance rail rail level height.
Described blade is provided with guide groove, described slide bar is provided with the projection can slided along described guide groove, or described blade is provided with projection, described slide bar is provided with the guide groove that can slide along described projection.
Described blade one end is fixed on the first insulator foot, and the other end is fixed on the second insulator foot.
Described first insulator foot is provided with the first alignment bearing.
The described altitude scale of leading high measurement mechanism and comprising elevation carrection bar and can slide along described elevation carrection bar, described elevation carrection bar is fixedly installed on described slide bar, described altitude scale is provided with reference graduation along short transverse, described elevation carrection bar is provided with deviation scale along short transverse.
Described altitude scale is fixed on elevation carrection head, and described elevation carrection head is fixed on can along on the elevation carrection slide block of described elevation carrection bar slip.
Described elevation carrection bar is provided with guide groove, described elevation carrection slide block is provided with the projection can slided along described guide groove, or described elevation carrection bar is provided with projection, described elevation carrection slide block is provided with the guide groove that can slide along described projection.
Also comprise buffer spring, described buffer spring two ends are connected with described elevation carrection head and described slide bar respectively.
Also comprise gauge measuring mechanism, described gauge measuring mechanism comprises the gauge that can slide along described blade and measures slide block, and the gauge scale be arranged on described blade, described gauge is measured on slide block and is provided with reference graduation, and described gauge scale is provided with deviation scale.
Described gauge is measured on slide block and is provided with the second alignment bearing.
Adopt above technical scheme, the beneficial effect acquired by the utility model is:
The utility model subway contact rail dip stick, it directly can measure working depth and the off-set value of conductor rail, and adopts slide rail type structure, and not fragile, measuring accuracy is high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technology of the present utility model is described in further detail:
Fig. 1 is the structural drawing of the utility model subway contact rail dip stick;
Fig. 2 is the using state figure of the utility model subway contact rail dip stick;
Fig. 3 is the structural drawing of the utility model subway contact rail dip stick under measuring state.
Embodiment
As shown in Figure 1-Figure 3, the subway contact rail dip stick that the utility model provides, comprise off-set value measuring mechanism, off-set value measuring mechanism comprises blade 1 and is arranged on the slide bar 2 that blade 1 also can slide along blade 1, slide bar 2 is provided with reference graduation, blade 1 is provided with deviation scale, slide bar 2 is also provided with and leads high measurement mechanism for what measure conductor rail bottom surface distance rail rail level height.
Wherein, blade 1 one end is fixed on the first insulator foot 3, the other end is fixed on the second insulator foot 4, and the first insulator foot 3 and the second insulator foot 4 all adopt insulation offset plate to make, and the object adopting insulation offset plate prevents conductor rail dip stick to be placed on track circuit short circuit on rail rail level.First insulator foot 3 being provided with the first alignment bearing 31, first alignment bearing 31 is bolt bearing, can become sliding friction into rolling friction, reduces the friction force of dip stick, prevents dip stick from wearing and tearing.Blade 1 is provided with guide groove, slide bar 2 is provided with the projection coordinating with described guide groove and can slide along guide groove, or blade 1 is provided with projection, slide bar 2 is provided with described male cooperation and the guide groove that can slide along projection.Slide bar 2 is provided with reference graduation, reference graduation is 0 scale, blade 1 is provided with skew scale 11, and skew scale 11 is carved with deviation scale, deviation scale comprises the standard value scale M be engraved on blade 1, and lays respectively at the positive deviation scale on the M scale left side and the negative deviation scale on the right.
Wherein, the described altitude scale 6 of leading high measurement mechanism and comprising elevation carrection bar 5 and can slide along elevation carrection bar 5, elevation carrection bar 5 is fixedly installed on slide bar 2, altitude scale 6 is provided with benchmark along short transverse carve, the present embodiment reference graduation is 200mm, represent that conductor rail flange of rail identity distance is 200mm from the altitude datum of rail rail level, elevation carrection bar 5 is provided with deviation scale along short transverse, deviation scale comprises 0 scale and is positioned at the positive deviation scale of more than 0 scale and is positioned at the negative deviation scale of below 0 scale, during reading, reference graduation and the deviation scale corresponding with reference graduation are added and just obtain leading height.Further, altitude scale 6 is fixed on elevation carrection head 7, and elevation carrection head 7 is fixed on and along on the elevation carrection slide block 8 of elevation carrection bar 5 slip, elevation carrection head 7 can be provided with reference column 71.Elevation carrection bar 5 is provided with guide groove, elevation carrection slide block 8 is provided with the projection can slided along guide groove, or elevation carrection bar 5 is provided with projection, elevation carrection slide block 8 is provided with the guide groove that can slide along projection.Lead high measurement mechanism and also comprise buffer spring, buffer spring two ends are connected with slide bar 2 with elevation carrection head 7 respectively, play the effect resetted by elevation carrection head 7.
Wherein, also comprise gauge measuring mechanism, described gauge measuring mechanism comprises the gauge measurement slide block 9 that can slide along blade 1, the gauge scale 10 being arranged on the limited block 12 on blade 1 and being arranged on blade 1, gauge is measured on slide block 9 and is provided with reference graduation, and gauge scale 10 is provided with deviation scale.Gauge is measured and slide block 9 is provided with the second alignment bearing 91, second alignment bearing 91 is bolt bearing.Reference graduation is 0 scale, blade 1 is provided with gauge scale 10 above, gauge scale 10 above correspondence is carved with two row's scales, one row is carved with the master scale N of gauge and is positioned at the positive and negative deviation scale of master scale N both sides, apart from scale value centered by another row's scale value, its value is 1/2 of gauge scale value.When measuring gauge, first alignment bearing 31 is leaned against inside one of them rail, slip gauge measures slide block 9 until the second alignment bearing contacts with inside another rail, then the reading on gauge scale is read, gauge equals master scale N and adds positive deviation scale or negative deviation scale, and positive deviation scale or negative deviation scale are the scale alignd with 0 scale.
As shown in Figure 3, when measuring off-set value, the reference column 71 of elevation carrection head and the side of conductor rail near rail are leaned on mutually, the outside (side away from conductor rail) of the first alignment bearing 31 with the rail near conductor rail is leaned on mutually, then offsets the reading on scale 11.
Last it is noted that these are only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a subway contact rail dip stick, it is characterized in that: comprise blade and be arranged on the slide bar that blade also can slide along blade, described slide bar is provided with reference graduation, described blade is provided with deviation scale, described slide bar is also provided with and leads high measurement mechanism for what measure conductor rail bottom surface distance rail rail level height.
2. subway contact rail dip stick according to claim 1, it is characterized in that: described blade is provided with guide groove, described slide bar is provided with the projection can slided along described guide groove, or described blade is provided with projection, described slide bar is provided with the guide groove that can slide along described projection.
3. subway contact rail dip stick according to claim 1, is characterized in that: described blade one end is fixed on the first insulator foot, and the other end is fixed on the second insulator foot.
4. subway contact rail dip stick according to claim 3, is characterized in that: described first insulator foot is provided with the first alignment bearing.
5. subway contact rail dip stick according to claim 1, it is characterized in that: described in lead the altitude scale that high measurement mechanism comprises elevation carrection bar and can slide along described elevation carrection bar, described elevation carrection bar is fixedly installed on described slide bar, described altitude scale is provided with reference graduation along short transverse, described elevation carrection bar is provided with deviation scale along short transverse.
6. subway contact rail dip stick according to claim 5, is characterized in that: described altitude scale is fixed on elevation carrection head, and described elevation carrection head is fixed on can along on the elevation carrection slide block of described elevation carrection bar slip.
7. subway contact rail dip stick according to claim 6, it is characterized in that: described elevation carrection bar is provided with guide groove, described elevation carrection slide block is provided with the projection can slided along described guide groove, or described elevation carrection bar is provided with projection, described elevation carrection slide block is provided with the guide groove that can slide along described projection.
8. subway contact rail dip stick according to claim 6, is characterized in that: also comprise buffer spring, and described buffer spring two ends are connected with described elevation carrection head and described slide bar respectively.
9. subway contact rail dip stick according to claim 1, it is characterized in that: also comprise gauge measuring mechanism, described gauge measuring mechanism comprises the gauge that can slide along described blade and measures slide block, and the gauge scale be arranged on described blade, described gauge is measured on slide block and is provided with reference graduation, and described gauge scale is provided with deviation scale.
10. subway contact rail dip stick according to claim 9, is characterized in that: described gauge is measured on slide block and is provided with the second alignment bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642143.2U CN204881446U (en) | 2015-08-24 | 2015-08-24 | Subway condact rail dipperstick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642143.2U CN204881446U (en) | 2015-08-24 | 2015-08-24 | Subway condact rail dipperstick |
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| Publication Number | Publication Date |
|---|---|
| CN204881446U true CN204881446U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520642143.2U Active CN204881446U (en) | 2015-08-24 | 2015-08-24 | Subway condact rail dipperstick |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668493A (en) * | 2019-01-31 | 2019-04-23 | 广州计量检测技术研究院 | Subway third rail detection ruler calibrating installation and its application method |
| CN111207649A (en) * | 2020-03-12 | 2020-05-29 | 中铁四局集团电气化工程有限公司 | Digital display measuring device for subway contact rail |
| CN113446916A (en) * | 2021-06-04 | 2021-09-28 | 中铁十一局集团电务工程有限公司 | Manual measurement method for parameters of high-speed magnetic suspension power rail |
-
2015
- 2015-08-24 CN CN201520642143.2U patent/CN204881446U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668493A (en) * | 2019-01-31 | 2019-04-23 | 广州计量检测技术研究院 | Subway third rail detection ruler calibrating installation and its application method |
| CN111207649A (en) * | 2020-03-12 | 2020-05-29 | 中铁四局集团电气化工程有限公司 | Digital display measuring device for subway contact rail |
| CN113446916A (en) * | 2021-06-04 | 2021-09-28 | 中铁十一局集团电务工程有限公司 | Manual measurement method for parameters of high-speed magnetic suspension power rail |
| CN113446916B (en) * | 2021-06-04 | 2023-02-28 | 中铁十一局集团电务工程有限公司 | Manual measurement method for parameters of high-speed magnetic suspension power rail |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |