CN2424053Y - Electrical railway contact net range finder - Google Patents
Electrical railway contact net range finder Download PDFInfo
- Publication number
- CN2424053Y CN2424053Y CN 00235795 CN00235795U CN2424053Y CN 2424053 Y CN2424053 Y CN 2424053Y CN 00235795 CN00235795 CN 00235795 CN 00235795 U CN00235795 U CN 00235795U CN 2424053 Y CN2424053 Y CN 2424053Y
- Authority
- CN
- China
- Prior art keywords
- scale graduation
- sleeve pipe
- macrometer
- insulation tube
- observation window
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000012780 transparent material Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to an electric railway contact net range finder which is composed of a hook, an insulating tube and a scale, wherein a sleeve tube can slide along the scale. An inspection window which is made of transparent materials is arranged at the upper end of the sleeve tube. Colorful reading index lines are arranged on the inspection window. The reading index lines are always away from the surface of a steel rail at the same height within the effective measuring range of the range finder. The height conforms to the visual height of ergonomics. The utility model has the advantage of simple structure, quick and accurate data reading, high safety and reliability, simple operation and low labor strength of measuring personnel. Therefore, stoop or even squat for reading a graduation value is not necessary when a measuring value is positioned at the lower limit.
Description
The utility model relates to the ground survey apparatus of the static geometric parameter of contact nets in electrified railways.
Geometric parameters such as electric railway height of contact wire, stagger directly influence the defect level and the traffic safety of traction power supply.Therefore " the contact system operating maintenance is long-range " requires regularly to measure and adjust, so that it remains on the standard technique state.On-the-spot in operation, above-mentioned geometric parameter is to measure under static state.The mode of static measurement is divided into two big classes: non-contact measurement and contact type measurement.Non-contact measurement is to utilize to be located at ground optics or photoelectricity or the ultrasonic instrument that waits and to measure, but because the high there be limited evidence currently of use of cost.At present widely used is contact type measurement.Contact type measurement is divided into two kinds again according to the principle of measurement difference: a kind of is direct method of projection, what use is the insulating bar and the instruments such as line bob, metallic tape and track gage of a regular length, when measuring, the insulating bar that will have the line bob is suspended on the measured point of contact wire, treat line weigh down stable back with metallic tape measure line weigh down most advanced and sophisticated to the insulating bar end distance and line weigh down most advanced and sophisticated on track gage apart from the distance of wire center, calculate the height and the zigzag value (stagger) of lead again with simple formula according to the superelevation amount of gauge and outer rail.Because unsettled line weighs down the stable certain hour that needs, but also will measure the superelevation of outer rail value and calculate with track gage, so surveying work efficient is lower, measured error be also bigger.In addition, use is very inconvenient in night and tunnel.Another kind method is the triangulation by the development of scientific research institution, Zhengzhou Railway Administration Xi'an, the instrument that uses is insulating bar and the special-purpose programmable electronic calculator that has scale graduation, during measurement, insulating bar is suspended on the measured point, pull out scale graduation, directly measure the distance and herein the gauge of measured point to two rails inboard respectively, the data of gained are input in the special-purpose programmable electronic calculator successively, just draw the zigzag value (stagger) and the height of contact wire after the several seconds.This method measured error is little, the efficient height, but this method is positioned at the bottom of insulation measurement bar because of the index line, apart from the measured point is a constant, and the length that scale graduation is pulled out changes with the height of seeing the measured point, the ground-surface height difference of index line-spacing, about 1400 millimeters of maximum relative altitude.On being positioned at, observed reading prescribes a time limit, the height of index line-spacing rail level is about 1550 millimeters, be positioned at down in limited time in observed reading, the height of this index line-spacing rail level only is 150 millimeter, the operating personnel must bend over even will squat down and just can read scale value, use very inconvenient, the also as easy as rolling off a log error in reading that causes simultaneously.
The purpose of this utility model is to overcome the shortcoming and defect that above-mentioned prior art exists, and a kind of later-model contact nets in electrified railways macrometer is provided.Requirement is in the useful range of macrometer, and index line-spacing rail face is in sustained height all the time, when reading take off data, not only fast but also accurate, also reduces labor intensity simultaneously.
The purpose of this utility model can be achieved through the following technical solutions: a kind of contact nets in electrified railways macrometer, include hook, insulation tube, scale graduation, wherein: insulation tube comprises major insulation pipe and secondary insulation tube, hook is fixed by bolts on the major insulation pipe, and the other end of major insulation pipe and secondary insulation tube are thread connection; Spiral marking connection is adopted in the upper end of secondary insulation tube and scale graduation, sleeve pipe can be sleeved on the outside of scale graduation along scale graduation with being free to slide, the lower end of sleeve pipe is provided with the metal termination of a brim of a hat shape, the edge is complementary in the metal termination of described the brim of a hat shape and the rail, described sleeve pipe is provided with observation window, observation window is provided with colored index line, and the distance setting of index line-spacing metal termination is a constant.
The contact nets in electrified railways macrometer that the utility model proposes compared with the prior art, and is simple in structure, and take off data not only fast but also accurate, safe and reliable, simple to operate, alleviated the labour intensity of survey crew greatly, needn't be positioned at down in limited time in observed reading, bend over even squat down and read scale value.
Description of drawings is as follows:
Fig. 1 is the scheme drawing of the contact nets in electrified railways macrometer that the utility model proposes;
Fig. 2 is the sleeve portion structural representation of the contact nets in electrified railways macrometer that the utility model proposes;
Fig. 3 is the scale graduation and the sleeve pipe assembling scheme drawing of the contact nets in electrified railways macrometer that the utility model proposes.
Among the figure, 1 is hook, and 2 is the major insulation pipe, and 3 is secondary insulation tube, and 4 is scale graduation, and 5 is sleeve pipe, and 6 is magnet, and 7 is rubber pad, and 8 is the metal termination, and 9 is observation window, and 10 is the index line.
Below in conjunction with accompanying drawing and most preferred embodiment the utility model is done further detailed description.
As shown in Figure 1 to Figure 3, the contact nets in electrified railways macrometer that the utility model proposes is made up of hook 1, major insulation pipe 2, secondary insulation tube 3, scale graduation 4 and sleeve pipe 5 etc.Wherein, hook 1 is fixed by bolts on the major insulation pipe 2, and the other end of major insulation pipe 2 and secondary insulation tube 3 are thread connection; Secondary insulation tube 3 adopts spiral marking connection with the upper end of scale graduation 4; The lower end of scale graduation 4 is provided with magnet 6 and rubber pad 7; sleeve pipe 5 is sleeved on the outside of scale graduation 4; can be free to slide along scale graduation 4, the lower end of sleeve pipe 5 is provided with the metal termination 8 of a brim of a hat shape, and it is inboard closely connected good with rail rail shoulder that its brim of a hat shape makes it; when macrometer does not use; sleeve pipe 5 all is enclosed within on the scale graduation 4, and the magnet 6 of scale graduation 4 lower ends holds the metal termination 8 of sleeve pipe 5 at this moment, and sleeve pipe 5 is adsorbed on the scale graduation 4; rubber pad 7 is used to protect magnet, in case be damaged.When needing to measure, the staff need only gently spur sleeve pipe 5 with have gentle hands, just can make magnet 6 disengagings of metal termination 8 with scale graduation 4 lower ends of sleeve pipe 5 lower ends, and sleeve pipe 5 can slide up and down along scale graduation 4.The upper end of sleeve pipe 5 is provided with the observation window of making of transparent material 9, and observation window 9 is provided with colored index line 10.Index line 10 to the distance of the metal termination 8 of sleeve pipe 5 is one to meet the constant of human engineering vision height, is the design of a constant with the index linear distance measured point that changes the prior art insulating bar.Macrometer is divided into three parts when taking care of and carrying at ordinary times: have major insulation pipe 2, the secondary insulation tube 3 of linking up with 1 and the scale graduation 4 that has sleeve pipe 5.Successively major insulation pipe, secondary insulation tube and the scale graduation 4 that has a sleeve pipe 5 are connected firmly during measurement.Hand-held sleeve pipe 5 and secondary insulation tube 3 are suspended on contact wire with the hook 1 of macrometer and need survey on the point of wanting, and spur sleeve pipe 5 gently, and the metal termination 8 that makes its lower end breaks away from the magnet 6 of scale graduation 4 lower ends.Sleeve pipe 5 just can make its metal termination 8 and rail rail shoulder inboard closely connected, and make macrometer be positioned at the vertical plane surface of contact wire and rail as far as possible simultaneously along scale graduation 4 to lower slider.The operating personnel reads the numerical value that numerical value on the scale graduation 4 is measured distance to rail from the observation window 9 index line 10 of enameling.Again macrometer is moved to another rail, similarly measure the distance of measurement point, measure herein gauge with metallic tape then to another rail.Above-mentioned three data are input in the programmable calculator that is provided with special use successively, just can draw herein contact wire zigzag value (stagger) and height rapidly.
Claims (3)
1, a kind of contact nets in electrified railways macrometer, include hook, insulation tube, scale graduation, it is characterized in that: insulation tube comprises major insulation pipe (2) and secondary insulation tube (3), hook (1) is fixed by bolts on the major insulation pipe (2), and the other end of major insulation pipe (2) and secondary insulation tube (3) are thread connection; Secondary insulation tube (3) adopts spiral marking connection with the upper end of scale graduation (4), sleeve pipe (5) can be sleeved on the outside of scale graduation (4) along scale graduation (4) with being free to slide, the lower end of sleeve pipe (5) is provided with the metal termination (8) of a brim of a hat shape, the metal termination (8) of described the brim of a hat shape is interior along being complementary with rail, described sleeve pipe (5) is provided with observation window (9), observation window (9) is provided with colored index line (10), and index line (10) is a constant apart from the distance setting of metal termination (8).
2, contact nets in electrified railways macrometer according to claim 1 is characterized in that: the observation window of observation window (9) for being made by the good material of diaphaneity.
3, contact nets in electrified railways macrometer according to claim 1 and 2 is characterized in that: the lower end of scale graduation (4) is provided with magnet (6) and rubber pad (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00235795 CN2424053Y (en) | 2000-06-14 | 2000-06-14 | Electrical railway contact net range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00235795 CN2424053Y (en) | 2000-06-14 | 2000-06-14 | Electrical railway contact net range finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2424053Y true CN2424053Y (en) | 2001-03-21 |
Family
ID=33597476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00235795 Expired - Fee Related CN2424053Y (en) | 2000-06-14 | 2000-06-14 | Electrical railway contact net range finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2424053Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589826A (en) * | 2012-03-08 | 2012-07-18 | 南京铁道职业技术学院 | Elasticity measuring device for contact net |
-
2000
- 2000-06-14 CN CN 00235795 patent/CN2424053Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589826A (en) * | 2012-03-08 | 2012-07-18 | 南京铁道职业技术学院 | Elasticity measuring device for contact net |
| CN102589826B (en) * | 2012-03-08 | 2016-01-27 | 南京铁道职业技术学院 | A kind of elasticity measuring device for contact net |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |