CN202869473U - Rail-mounted mileage measuring device - Google Patents
Rail-mounted mileage measuring device Download PDFInfo
- Publication number
- CN202869473U CN202869473U CN 201220602179 CN201220602179U CN202869473U CN 202869473 U CN202869473 U CN 202869473U CN 201220602179 CN201220602179 CN 201220602179 CN 201220602179 U CN201220602179 U CN 201220602179U CN 202869473 U CN202869473 U CN 202869473U
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- rail
- measuring
- steamboat
- outer ring
- measurement mechanism
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Abstract
The utility model discloses a rail-mounted mileage measuring device. The rail-mounted mileage measuring device mainly comprises a measuring datum pinion, a fixing support, a coupling, an encoder and a spring, wherein the fixing support is arranged on a frame; and one end of the spring is connected with the fixing support while the other end of the spring is connected with the frame. According to the rail-mounted mileage measuring device, an elastic rubber ring is placed on the measuring datum pinion, and the elastic rubber ring is able to be deformed under the effect of external force, so that the elastic rubber ring can be clung to the inner side surface of a rail well in order to improve the friction coefficient with the rail as well as preventing the measuring datum pinion from slipping during rolling, and the deformed elastic rubber ring brings no influence to the contact between an outer ring of the measuring datum pinion and the rail; the outside diameter, serving as the measuring datum, of the pinion is unchanged, so that the measuring precision is ensured; and in addition, the rail-mounted mileage measuring device has the advantages of being simple in structure, high in capacity of preventing from slipping, and high in measuring precision.
Description
Technical field
The utility model belongs to construction of railways equipment, is specifically related to the interior profile space of a kind of rail and detects the mileage measurement mechanism of using track detection car.
Background technology
Train bumps between wheel and the rail when operation unavoidably, and wearing and tearing and the distortion, especially the rail medial surface that cause rail to occur in various degree are out of shape comparatively serious.Therefore, irregularly the inboard profile of rail is detected, number of contours strong point in gathering simulates contour pattern at related software, compares with the standard rail profile, can well present the degree of wear of existing rail.For timely maintenance and the repair of railway track provides foundation, stationarity and the security of train operation have been guaranteed.Simultaneously also for further research rail wear and research wheel rail relation provide strong actual foundation.When the wide dolly that detects in the mobile steel rail needs a mileage measurement mechanism to come the displacement of synchronous recording dolly, so just can realize that measured a certain xsect rail outline data point is corresponding with the position of this xsect when rail moves.The benchmark steamboat that present measurement mechanism is used has two kinds: rigidity steamboat and elasticity steamboat; The rigidity steamboat is prolonging rail surface and is rolling, and in the hypodynamic situation, the phenomenon that can occur skidding unavoidably causes measuring inaccurate outside.There is again stressed time distortion in the elasticity steamboat, affects the external diameter of benchmark steamboat, causes measuring the problem that has error.Therefore, design is a kind of can anti-skiddingly can guarantee again that the mileage measurement mechanism of benchmark steamboat outside dimension is necessary.
The utility model content
In view of the above shortcoming of prior art, the purpose of this utility model provides a kind of rail pattern mileage measurement mechanism that is installed on the rail detection dolly, and itself and rail medial surface are tightly fitted, and reaches the purpose of continuous coverage.
The utility model is achieved in that a kind of rail-mounted mileage measurement mechanism, is arranged on the wide actual mileage number that is used for measuring carriage walking in the car frame that detects in the mobile steel rail.Fixed support 210 with the T-shaped structure that is connected with dolly consists of measuring unit by measuring basis steamboat 220 and with coaxial shaft coupling 230 and the scrambler 240 of described benchmark steamboat; Measuring unit is arranged on the fixed support; One end of one extension spring 250 is articulated on the fixed support 210, and the other end links to each other with vehicle frame 100; Be provided with the fixedly guide groove (260) that makes it along vehicle frame 100 slips on the fixed support 210.
The benchmark steamboat is comprised of inner ring, outer ring, is provided with the caoutchouc elasticity circle on the circumference of outer ring.Inner ring, outer ring are interference fit, press solidly on axle by bolt and insulation spacer and copper backing, are provided with keyway in the inner ring hole, are connected by key with axle.Wherein inner ring is that insulating material is made, and the outer ring is that the wearing quality material is made.
Rail-mounted mileage measurement mechanism described in the utility model have a following advantage:
(1) simple in structure, applied widely: the utility model rail pattern mileage measurement mechanism comprises the compositions such as fixed support, measuring basis steamboat, spring.Rely on the spring tension effect that its benchmark steamboat and rail medial surface are tightly fitted; Fixed support can slide at frame inside, also workable requirement of mileage measurement mechanism when having satisfied the gauge variation.(2) the anti-slip ability is strong: surface, measuring basis steamboat outer ring arranges the caoutchouc elasticity circle, the caoutchouc elasticity circle can deform under the effect of spring force, can well fit with the rail medial surface, increase the friction factor with rail, prevent that skidding from appearring in steamboat when rolling.(3) measuring accuracy is high: on the one hand, after the caoutchouc elasticity circle distortion that surface, measuring basis steamboat outer ring arranges, do not affect as the steamboat outer ring of measuring basis and the applying of rail; On the other hand, measuring basis steamboat outer ring is high-abrasive material, also can guarantee the accuracy of outside dimension after long-term the use, thereby guarantee the measuring accuracy of this device.
In sum, the utlity model has simple in structure, applied widely, anti-slip ability, measuring accuracy advantages of higher, can satisfy and measure accurately continuously the needs that rail detects little car kilometer.
Description of drawings
Fig. 1 is the enlarged diagram of the concrete installation site of the utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structure cross-sectional schematic of measuring basis steamboat
Fig. 4 is the schematic diagram of the utility model installation site
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated:
Shown in Fig. 1～4: a kind of rail-mounted mileage measurement mechanism described in the utility model, when exterior feature in the mobile steel rail detects dolly when rail moves, this measurement mechanism comes synchronous recording carriage walking mileage, is used for and realizes that the position of measured a certain xsect rail outline data point and this xsect is corresponding.This rail-mounted mileage measurement mechanism mainly is comprised of measuring basis steamboat 220, fixed support 210, shaft coupling 230, scrambler 240 and spring 250, and the measuring unit that wherein is made of benchmark steamboat 220, shaft coupling 230 and scrambler 240 is connected with fixed support 210; Fixed support 210 is installed on the vehicle frame 100, and spring 250 1 ends are connected with fixed support 210, and the other end links to each other with vehicle frame 100, and fixed support 210 can prolong fixedly guide groove 260 and slide benchmark steamboat 220 is tightly fitted with rail 000 inboard all the time.By above improvement, rely on spring 250 tension force that its benchmark steamboat 220 is tightly fitted with rail 000 medial surface; Fixed support can slide at frame inside, also workable requirement of mileage measurement mechanism when having satisfied the gauge variation.
The structure of rolling steamboat as shown in Figure 3, benchmark steamboat 220 is comprised of inner ring 221, outer ring 222, is provided with caoutchouc elasticity circle 223 on 222 circumference of outer ring.Inner ring 221, outer ring 222 are interference fit, press solidly on axle 300 by bolt 226 and insulation spacer 224 and copper backing 225; Inner ring is provided with keyway in 221 holes, is connected by connecting key 227 with axle 300.Wherein inner ring 221 is made for insulating material, and make for the wearing quality material outer ring 222.
The inner ring 221 of being made by insulating material guarantees the electrical insulating property of whole mileage measurement mechanism with insulation spacer 224, prevents that static conduction on the rail 000 from scrambler 240 and whole vehicle frame 100, having ensured the normal operation of this test car.
The anti-slip ability is strong: because surface, measuring basis steamboat 220 outer ring arranges caoutchouc elasticity circle 223, caoutchouc elasticity circle 223 can deform under the effect of spring force, can well fit with the rail medial surface, increase the friction factor with rail, prevent that skidding from appearring in steamboat when rolling.
Measuring accuracy is high: on the one hand, after caoutchouc elasticity circle 223 distortion that 222 surfaces, measuring basis steamboat outer ring arrange, do not affect as the steamboat outer ring 222 of measuring basis and the applying of rail 000; On the other hand, measuring basis steamboat outer ring is high-abrasive material, also can guarantee the accuracy of outside dimension after long-term the use, thereby guarantee the measuring accuracy of this device.
Claims (4)
1. rail-mounted mileage measurement mechanism, be arranged on the wide actual mileage number that is used for measuring carriage walking in the car frame that detects in the mobile steel rail, it is characterized in that: this device is by the fixed support with the T-shaped structure that connects with dolly (210), forms by measuring basis steamboat (220) and with coaxial shaft coupling (230) and scrambler (240) the formation measuring unit of described measuring basis steamboat; Measuring unit is arranged on the fixed support; One end of extension spring (250) is articulated on the fixed support (210), and the other end links to each other with vehicle frame (100); Be provided with the fixedly guide groove (260) that makes it along vehicle frame (100) slip on the fixed support (210).
2. a kind of rail-mounted mileage measurement mechanism according to claim 1, it is characterized in that: benchmark steamboat (220) is comprised of inner ring (221), outer ring (222), is provided with caoutchouc elasticity circle (223) on the circumference of outer ring (222).
3. a kind of rail-mounted mileage measurement mechanism according to claim 2, it is characterized in that: inner ring (221), outer ring (222) are interference fit, press solidly on axle (300) by bolt (226) and insulation spacer (224) and copper backing (225), inner ring (221) is provided with keyway in the hole, is connected by connecting key (227) with axle (300).
4. a kind of rail-mounted mileage measurement mechanism according to claim 2, it is characterized in that: wherein inner ring (221) is made for insulating material, and make for wear-resisting material outer ring (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602179 CN202869473U (en) | 2012-11-15 | 2012-11-15 | Rail-mounted mileage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602179 CN202869473U (en) | 2012-11-15 | 2012-11-15 | Rail-mounted mileage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202869473U true CN202869473U (en) | 2013-04-10 |
Family
ID=48036187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220602179 Expired - Fee Related CN202869473U (en) | 2012-11-15 | 2012-11-15 | Rail-mounted mileage measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202869473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181101A (en) * | 2014-09-05 | 2014-12-03 | 石家庄铁道大学 | Measuring device for steel rail surface friction coefficients |
| CN113944074A (en) * | 2020-07-15 | 2022-01-18 | 华东交通大学 | Steel rail surface jacking device |
| CN117168386A (en) * | 2023-11-03 | 2023-12-05 | 北京朗信能源环保科技有限公司 | Displacement monitoring mechanism and charge level processor |
-
2012
- 2012-11-15 CN CN 201220602179 patent/CN202869473U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181101A (en) * | 2014-09-05 | 2014-12-03 | 石家庄铁道大学 | Measuring device for steel rail surface friction coefficients |
| CN113944074A (en) * | 2020-07-15 | 2022-01-18 | 华东交通大学 | Steel rail surface jacking device |
| CN117168386A (en) * | 2023-11-03 | 2023-12-05 | 北京朗信能源环保科技有限公司 | Displacement monitoring mechanism and charge level processor |
| CN117168386B (en) * | 2023-11-03 | 2024-02-27 | 北京朗信能源环保科技有限公司 | Displacement monitoring mechanism and charge level processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151115 |
|
| EXPY | Termination of patent right or utility model |