CN203337091U - Three-measuring-point digital-display device for measuring diameter of railway wheel - Google Patents
Three-measuring-point digital-display device for measuring diameter of railway wheel Download PDFInfo
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- CN203337091U CN203337091U CN2013201957285U CN201320195728U CN203337091U CN 203337091 U CN203337091 U CN 203337091U CN 2013201957285 U CN2013201957285 U CN 2013201957285U CN 201320195728 U CN201320195728 U CN 201320195728U CN 203337091 U CN203337091 U CN 203337091U
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- gauge head
- release lever
- carriage release
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Abstract
The utility model discloses a three-measuring-point digital-display device for measuring the diameter of a railway wheel, and the device comprises a fixed ruler frame, a movable ruler frame, measuring heads, and a ruler body. The ruler body is arc-shaped. The center shaft of the ruler body is equipped with the movable ruler frame in a hinging manner. The movable ruler frame moves on the outer edge surface of the ruler body in a guiding manner. A side end of the ruler body is fixedly provided with the fixed ruler frame. The free end of the fixed ruler frame and the free end of the movable ruler support are respectively fixedly equipped with one measuring head and one positioning plate, wherein the two measuring heads are disposed in the same direction, and the two positioning plates are also disposed in the same direction. The center shaft of the ruler body is equipped with a center measuring head and a positioning plate. The outer edge surface of the arc-shaped ruler body is fixedly provided with a capacitive gate. The movable ruler frame, which contacts with the capacitive gate in a guiding manner, is equipped with a movable gate. The device provided by the utility model is reasonable in design, simple in operation, convenient to use, and strong in practicality. The device achieves the measurement of the diameter of the wheel and the measurement of wheel diameter difference in the condition of no disassembly of the wheel by employing the capacitive gate technology. The measurement speed is high, and the accuracy is high. Therefore, the device can meet the requirements of modern railway construction.
Description
Technical field
The utility model belongs to detection field, relates to diameter and the poor pick-up unit of diameter of railway wheel, the surveying instrument in especially a kind of vehicle wheels footpath.
Background technology
Railway is the main artery of national economy, and its effect is very important.Along with the significantly raising of train running speed and the high-speed cruising of motor train unit train, to train main operation parts---the accuracy requirement of wheel further improves, be related to the stability of train on heavy duty, the railway of running at high speed and the impact capacity of security and anti-outside motive power.
China's rapid development of economy impels big and medium-sized cities, various places subway, light rail construction to accelerate, and equally for safety and stability, the detection of the wheel precision of subway train is mentioned to critical positions.
At present, because the wheel detection of motor train unit and maintenance and compartment are integrated non-dismountable, the wheel of subway train is also in like manner, diameter and the poor detection of diameter to high-speed wheel adopt tradition " wheel footpath measuring appliance " usually, the design concept of wheel footpath measuring appliance is: known height and chord length, ask the method for diameter, it contacts tested wheel by fixing two locating pieces of installing by certain angle in chi frame both sides and represents chord length, one dial gauge or clock gauge are housed in the middle of the chi frame, scale value on table just directly reflects the size of wheel, but the manufacturing accuracy restriction due to the chi frame, particularly the dial gauge of degree of precision or clock gauge also can't be exaggerated many times of replacements than the big wheel diameter dimension by shorter action size, therefore measuring accuracy is not high, inadaptable diameter and the poor precision measure of diameter to high-speed wheel.Other take turns the restriction of footpath chi due to measurement space, can not measure.
In sum, the accuracy detecting device of existing railway wheel is tradition comparatively, and measuring accuracy is not high, in the situation that do not tear wheel open, can't meet the demand for development that current rail is built.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of railway wheel three measuring point digital displays wheel footpath devices of easy to operate, simple in structure, measuring accuracy is high, efficiency is high detection vehicle wheel footpath are provided.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of railway wheel three measuring point digital display wheel footpath devices, comprise the fixed ruler frame, movable rule stand, gauge head and blade, described blade is the arc blade, central axis hinge dress movable rule stand at blade, the operation of leading on the outer edge surface of blade of this movable rule stand, a side at blade is fixed with the fixed ruler frame, free end at fixed ruler frame and movable rule stand all is fixed with gauge head and location-plate in the same way, central axis at blade is equipped with center gauge head and location-plate, it is characterized in that: the outer edge surface at the arc blade is fixed with the appearance grid, on the movable rule stand contacted with this appearance grid guiding, moving grid is installed.
And, between fixed ruler frame and movable rule stand, adopt spring to connect.
And the location-plate of described center gauge head is packed on the central shaft of arc blade.
And, described center gauge head and arc blade are movable to be installed, its mounting structure is: the coaxial hinge of the central shaft of blade fills a carriage release lever, the location-plate of center gauge head is slidably mounted on by guide groove and guide rail structure also can be along the carriage release lever guiding movement on carriage release lever, a lock-screw for carriage release lever and blade are locked is installed on carriage release lever, between the body of rod of this carriage release lever and center gauge head, by holding the grid sensing technology, connect, the operation of leading on the outer edge surface of arc blade of this carriage release lever, the center gauge head rotation moving grid that the appearance grid that are fixedly mounted with the blade outer edge surface lead and contact is installed in the upper end of carriage release lever.
And, also comprising a display, this display is arranged on blade or separately and places, and this display is liquid crystal display or transistor display.
Advantage of the present utility model and beneficial effect are:
1, epicycle footpath device, by center gauge head and two outer gauge heads, has been realized three measuring point measuring wheel footpaths, and epicycle footpath device not only can accurately be measured general wheel, and has solved especially the accurate measurement problem of not unloading the wheel wheel.
2, epicycle footpath device has adopted electromechanical to make measuring appliance high, accurate, fast-developing to the electronic surveying precision in conjunction with holding gate technique.
3, the material selection special material of epicycle footpath device chi frame is processed, and has solved the measuring accuracy problem affected due to material deformation and has operated the problems such as inconvenient.
4, the calculation display of epicycle footpath device adopts liquid crystal or two kinds of different demonstration data modes of transistor, and environment for use can reach ± and 40 ℃, can meet the measurement requirement of different geographical weather.
5, adopt fixing or movable two kinds of connected modes between epicycle Jing Qi center gauge head and blade, can, according to the difference of the vehicle of wheel, size, measurement range, select different mounting structures, thereby increase the scope of application of epicycle footpath device.
6, mounting handle on the fixed ruler frame of epicycle footpath device or blade, what be convenient to take turns the footpath device picks and places and carries transportation.
7, the utility model is a kind of reasonable in design, simple to operate, easy to use, practical railway wheel three measuring point digital display wheel footpath devices, epicycle footpath device adopts the appearance gate technique to reach in the situation that do not unload wheel, wheel footpath and wheel footpath difference to wheel are measured, and measuring speed is fast, accuracy is high, can meet the needs that modern railways is built.
The accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment mono-;
Fig. 2 is that the A-A of Fig. 1 is to cut-open view;
Fig. 3 is the front view of embodiment bis-;
Fig. 4 is that the B-B of Fig. 3 is to cut-open view.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of railway wheel three measuring point digital display wheel footpath devices, comprise fixed ruler frame 7, movable rule stand 1, gauge head and blade 5, described blade is the arc blade, central axis at blade fills movable rule stands by bearing 12 hinges, the operation of leading on the outer edge surface of arc blade of this movable rule stand, a side at blade is fixed with the fixed ruler frame, between fixed ruler frame and movable rule stand, adopts spring 4 to connect, inwardly closed at ordinary times.All be fixed with in the same way gauge head 9 and 2 and location-plate at the free end of fixed ruler frame and movable rule stand, in the central axis of blade, center gauge head 6 and location-plate be installed.Magnet 8 all is installed on each location-plate.The measurement center of arc line of each gauge head and separately the spacing between location-plate be 70mm.The locating piece 11 of a spacing movable rule stand is installed on blade.On fixed ruler frame or blade, mounting handle 14.
Innovative point of the present utility model is: the outer edge surface at the arc blade is fixed with appearance grid 10, on the movable rule stand contacted with this appearance grid guiding, moving grid 3 is installed.
Due to differences such as the vehicle of wheel, size, measurement ranges, capacitance-grid type three measuring points wheel Jing Qi center gauge heads divide again fixed (center gauge head and blade fixed installation) and portable (center gauge head and blade activity installation) two kinds.Stationary structure is: the location-plate of center gauge head is packed on the central shaft of arc blade.Portable structure is: center gauge head and arc blade are movable to be installed, its mounting structure is: the coaxial hinge of the central shaft of blade fills a carriage release lever 16, the location-plate of center gauge head is slidably mounted on by guide groove and guide rail structure also can be along the carriage release lever guiding movement on carriage release lever, a lock-screw 17 for carriage release lever and blade are locked is installed on carriage release lever, between the body of rod of this carriage release lever and center gauge head, by holding the grid sensing technology, connect, adopt and be arranged on carriage release lever Shang center gauge head and move fixed grid 18 and be arranged on gauge head Shang center, center gauge head and move moving grid 19 and coordinate.The carriage release lever operation of leading on the outer edge surface of arc blade, reference column 20 is installed in the lower end of carriage release lever, and the upper end of carriage release lever is installed the center gauge head that the appearance grid guiding that is fixedly mounted with arc blade outer edge surface contacts and is rotated moving grid 15.Adopt between center gauge head and carriage release lever and hold the grid sensing technology, the center gauge head rotation moving grid of installing on the gauge head carriage release lever of Bing Yu center holds in rotation the anglec of rotation formed on the grid blade equally, just determined the position after the center gauge head moves, same and two outer gauge heads form the technical conditions that three measuring points are surveyed circle.
Epicycle footpath device also comprises a display 13, and this display can be arranged on blade, also can place separately, and this display is liquid crystal display or transistor display.
Design concept of the present utility model is:
The survey instrument that on applicating geometric mathematics, " 3 fixed one circle " this formula manufactures and designs is to be supplementary to measuring inconvenient on diameter with " wheel footpath chi " and using in " wheel footpath measuring appliance " the not high factor of measuring accuracy detection to railway wheel, particularly very high to motor train unit wheel detection precision prescribed and be not easy to equally the cubing by above two kinds of cubings because of the variations such as physical dimension of wheel.When the utility model is measured, the fixed ruler frame contacts the measurement face of tested wheel with two outer gauge heads on movable rule stand with the center gauge head simultaneously, has formed three point measurements, and calculates the wheel footpath of tested wheel by electronics.
Claims (5)
1. railway wheel three measuring point digital displays are taken turns the footpath devices, comprise the fixed ruler frame, movable rule stand, gauge head and blade, described blade is the arc blade, central axis hinge dress movable rule stand at blade, the operation of leading on the outer edge surface of blade of this movable rule stand, a side at blade is fixed with the fixed ruler frame, free end at fixed ruler frame and movable rule stand all is fixed with gauge head and location-plate in the same way, central axis at blade is equipped with center gauge head and location-plate, it is characterized in that: the outer edge surface at the arc blade is fixed with the appearance grid, on the movable rule stand contacted with this appearance grid guiding, moving grid is installed.
2. a kind of railway wheel three measuring point digital display wheel footpath devices according to claim 1, is characterized in that: between fixed ruler frame and movable rule stand, adopt spring to connect.
3. a kind of railway wheel three measuring point digital displays according to claim 1 are taken turns the footpath devices, and it is characterized in that: the location-plate of described center gauge head is packed on the central shaft of arc blade.
4. a kind of railway wheel three measuring point digital displays according to claim 1 are taken turns the footpath devices, it is characterized in that: described center gauge head and arc blade are movable to be installed, its mounting structure is: the coaxial hinge of the central shaft of blade fills a carriage release lever, the location-plate of center gauge head is slidably mounted on by guide groove and guide rail structure also can be along the carriage release lever guiding movement on carriage release lever, a lock-screw for carriage release lever and blade are locked is installed on carriage release lever, between the body of rod of this carriage release lever and center gauge head, by holding the grid sensing technology, connect, the operation of leading on the outer edge surface of arc blade of this carriage release lever, the center gauge head rotation moving grid that the appearance grid that are fixedly mounted with the blade outer edge surface lead and contact is installed in the upper end of carriage release lever.
5. a kind of railway wheel three measuring point digital displays according to claim 1 are taken turns the footpath devices, it is characterized in that: also comprise a display, this display is arranged on blade or separately and places, and this display is liquid crystal display or transistor display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201957285U CN203337091U (en) | 2013-04-18 | 2013-04-18 | Three-measuring-point digital-display device for measuring diameter of railway wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201957285U CN203337091U (en) | 2013-04-18 | 2013-04-18 | Three-measuring-point digital-display device for measuring diameter of railway wheel |
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| Publication Number | Publication Date |
|---|---|
| CN203337091U true CN203337091U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201957285U Expired - Fee Related CN203337091U (en) | 2013-04-18 | 2013-04-18 | Three-measuring-point digital-display device for measuring diameter of railway wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855550A (en) * | 2018-12-14 | 2019-06-07 | 柳州科路测量仪器有限责任公司 | Rolling stock non-pulling wheel wheel cable diameter gauge |
-
2013
- 2013-04-18 CN CN2013201957285U patent/CN203337091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855550A (en) * | 2018-12-14 | 2019-06-07 | 柳州科路测量仪器有限责任公司 | Rolling stock non-pulling wheel wheel cable diameter gauge |
| CN109855550B (en) * | 2018-12-14 | 2021-05-25 | 柳州科路测量仪器有限责任公司 | Wheel diameter measuring instrument for rolling stock |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160418 |