CN203668780U - Railway track geometrical state detection trolley - Google Patents

Railway track geometrical state detection trolley Download PDF

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Publication number
CN203668780U
CN203668780U CN201320885311.1U CN201320885311U CN203668780U CN 203668780 U CN203668780 U CN 203668780U CN 201320885311 U CN201320885311 U CN 201320885311U CN 203668780 U CN203668780 U CN 203668780U
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China
Prior art keywords
crossbeam
pedestal
prism
trolleys
state detecting
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CN201320885311.1U
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Chinese (zh)
Inventor
张晓江
张翔
杨世峰
朱明宏
成思源
杨雪荣
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SOUTH SURVEYING & MAPPING TECHNOLOGY Co.,Ltd.
Guangdong University of Technology
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Guangzhou South Surveying & Mapping Instrument Co Ltd
Guangdong University of Technology
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Abstract

The utility model discloses a railway track geometrical state detection trolley which comprises a base, a main control unit and a sensor. A first beam, a second beam and a third beam are connected to the base, the main control unit is installed on the base, the sensor is installed on the third beam, the first beam, the second beam and the third beam form a Y-shaped frame, a hand-push assembly is arranged on the base, a prism assembly is arranged on the third beam, the end, away from the base, of the third beam is provided with a positioning wheel assembly, the ends, away from the base, of the first beam and the second beam are provided with brake wheels respectively, a flower piece wheel is arranged at the tail end of the third beam, and support supporting plates are erected on the first beam and the second beam. The railway track geometrical state detection trolley is stable in structure, accurate in measurement, long in service life, and convenient to carry and disassemble.

Description

How much state detecting trolleys of railroad track
Technical field
The utility model relates to the technical field that railroad track detects, particularly how much state detecting trolleys of a kind of railroad track.
Background technology
In August, 2008, speed per hour reaches being open to the traffic of Beijing-Tianjin inter-city Line for Passenger Transportation of 350km, indicate that Chinese Railway has ranked among the flourishing ranks of world's high-speed railway, has realized the important breakthrough of the safety guarantee technology such as equipment of railway transportation modernization, control and management scientification, detection and fault diagnosis intellectuality.Railway rail safety detection technique becomes the basis of realizing high-speed railway transportation safety.
The measurement research of China to track geometry status, the track morpheme disease for solving common railway at first, what adopt is the rail inspection instrument of relative measurement mode, though it is high to measure efficiency, but be difficult for solving certainty of measurement and integrity problem, its certainty of measurement can not meet the requirement of smoothness of high-speed railway track.Therefore, the initial high-speed railways of building such as Beijing-Tianjin, military wide, Zheng Xi, mainly rely on import equipment, adopt absolute measurement pattern to carry out the measurement of track geometry status.Along with the extensive enforcement that China Express Railway is built, domesticly start to produce track geometry status detect dolly applying in high speed railway construction.
Evaluate the key technical indexes of rail smooth and be gauge, superelevation (level), rail to, just, the definitely flexibility index such as deviation between flexibility index and orbit plane, elevation and design load relatively such as versed sine, distortion (twist irregularity).These flexibility indexes all can be detected that dolly is directly measured or subsequent analysis, be calculated by track.The basic principle of existing track detection dolly is as follows:
(1) the absolute measurement pattern of track geometry status, first by 8 CPIII control points of intelligent total powerstation (as LeicaTCA2001) automatic Observation, the data solver of measuring according to resection obtains the station heart three-dimensional coordinate of total powerstation, and to total powerstation orientation; Then use the prism lock function of intelligent total powerstation, make the prism on its locking track detection car: whenever track detection car rests on track data collection position, by the target prism on the control terminal control total station survey dolly on dolly, and survey data is sent to control terminal by wireless communication technique, complete thus the track data collection to this point; Field data collection is complete can carry out data processing, analysis and housekeeping by the computer on dolly, thereby measures or calculate the absolute position parameter of track geometry status.
(2) the relative measurement pattern of track geometry status, the track gauge sensor that utilizes track detection car self, obliquity sensor, odometer sensor collects relatively data, the relative position parameter of measuring or calculate track geometry status, in this process, does not need the cooperation of total powerstation.
Can realize the measurement to the various parameters of track although existing track detects dolly, but still exist some defects.Existing track detects dolly and mainly adopts side plate and the base plate that polylith is thicker to be formed by connecting, and causes its weight excessive and cause and carry inconvenience, and has influence on certainty of measurement because of the accumulation of rigging error.Detect in the assembling process of dolly at track, especially longeron and crossbeam be connected this part, require assembling and positioning precision high, quick detach clamps and facilitates.And existing T-shaped track detects car frame's structure because its longeron and crossbeam adopt split type structure, in assembling process, can introduce rigging error, cause the systematic error of detection data, be unfavorable for improving its certainty of measurement.Finally, track detects single-wheel and the two-wheel of dolly two-part to be connected how design accomplishes accurate positioning, dismounting is convenient is also the problem that needs are considered carefully.
Utility model content
The purpose of this utility model is that the shortcoming that overcomes prior art is with not enough, provides the railroad track that a kind of certainty of measurement is high, assembling is simple, positioning precision is high, easy to carry how much state detecting trolleys.
The purpose of this utility model is achieved through the following technical solutions:
How much state detecting trolleys of railroad track, comprise pedestal, main control unit and sensor, on described pedestal, be connected with first crossbeam, second cross beam and the 3rd crossbeam, described main control unit is arranged on pedestal, described installation of sensors is on the 3rd crossbeam, described first crossbeam, second cross beam and the 3rd crossbeam composition Y type framework, described pedestal is provided with hand push assembly, described the 3rd crossbeam is provided with prism assemblies, described the 3rd crossbeam arranges locating wheel assembly away from one end of pedestal, and described first crossbeam and second cross beam are respectively equipped with brake wheel away from one end of pedestal; The end of described the 3rd crossbeam is provided with colored sheet wheel; The added bracket leg fagging that is provided with of described first crossbeam and second cross beam.
Preferably, described hand push assembly is arranged on the center of pedestal, and described first crossbeam and second cross beam are 135 ° of angles.
Preferably, described pedestal is trident pedestal, and trident pedestal is connected by dismountable mode with the 3rd crossbeam.
Preferably, described hand push assembly comprises supporting seat, supporting plate, brake handle, handgrip, leading inner tube, locking device, leading outer tube and hand push seat; Described leading outer tube one end is connected with hand push seat, and the other end is connected with leading inner tube by locking device; The top of described leading inner tube is provided with handgrip, and handgrip is provided with brake handle, and the middle part of handgrip is connected with supporting plate, and supporting plate is connected with leading inner tube by supporting seat; Described hand push assembly is fixedly connected with pedestal by hand push seat.
Preferably, described prism assemblies comprises prism table, prism bar and prism columns; Described prism bar is arranged on prism table, and described prism columns is arranged on the top of prism bar, and described prism table is fixed on the 3rd crossbeam.
Preferably, described prism table is fixed on the 3rd crossbeam by mounting platform, and described mounting platform comprises fixed pedestal, upper mounting plate, reference column and base, and described upper mounting plate is arranged on fixed pedestal, described base is arranged on upper mounting plate, and described reference column is arranged on base.
Preferably, described locating wheel assembly comprises slide rail, slide block, the first spring, spring stop, handle device, movable axis, locating wheel, the second spring, movable axis tail piece, movable axis junction plate and locating wheel vertical pivot; Described the first spring and the second spring housing are connected on movable axis, the first spring connects movable axis tail piece, movable axis junction plate is erected on slide block after being socketed in movable axis, described slide block setting in orbit, the end of the second spring is connected with spring stop, after described movable the tip of the axis connects locating wheel vertical pivot, is connected with locating wheel; Described handle device is connected with movable axis.
The utility model has following advantage and effect with respect to prior art:
1, Stability Analysis of Structures: how much state detecting trolleys of this railroad track couple together 3 of left and right crossbeam by pedestal, entirety has formed Y type braced structures, the center of gravity of how much state detecting trolleys of whole railroad track just drops on the infall of Y type braced structures, be the central point of pedestal, therefore how much state detecting trolleys of relatively existing T-shaped railroad track structurally seem more well-balanced and stable; In addition, how much state detecting trolleys of this railroad track are adjusted aspect center of gravity, relatively existing track detects dolly center of gravity have been reduced, and causes how much state detecting trolleys of railroad track more steady in implementation process, thereby makes the data that measure more accurate.
2, measure accurate, long service life: the agent structure of how much state detecting trolleys of this railroad track all adopts integrally formed technology, be the plate that adopts of each agent structure all through one-shot forming processing, replaced the structure that how much state detecting trolleys of existing railroad track utilize side plate that polylith is thicker and base plate to be formed by connecting.How much state detecting trolleys of railroad track adopt integral structure to be not only conducive to add one-shot forming in man-hour, and have greatly reduced the quantity of its Assembly part, and its efficiency of assembling is also improved.Owing to connecting, the part of orientation assemble is few, the unnecessary accumulated error having produced while also having reduced accordingly assembling, thus make the certainty of measurement of how much state detecting trolleys of railroad track more accurate; Meanwhile, the mode that how much state detecting trolleys of existing railroad track generally adopt screw to connect is spliced multiple parts, in dolly use procedure careless shock and use for a long time after, assembly and screw can produce distortion, cause dolly certainty of measurement to reduce, even scrap, how much state detecting trolleys of this railroad track have overcome above-mentioned defect, have guaranteed its application life and certainty of measurement.
3, dismounting is convenient: after the location that how much state detecting trolley single-wheels of railroad track are connected with two-wheel two parts completes, designed a kind of rapid and convenient clamping device being threaded.This device have dismounting convenient, clamp firmly, can guarantee that in length and breadth two parts are for being rigidly connected, nonabradable advantage.
4, mounting platform is convenient and practical: on railroad track how much state detecting trolley the 3rd crossbeams, designed a kind of dual-purpose mounting platform that not only prism can be installed but also total powerstation can be installed.How much state detecting trolleys of this railroad track can be realized the switching between total powerstation and prism, realize two kinds of different metering systems.The required unit interval of operation is shortened in not only handled easily personnel's operation simultaneously, has improved the efficiency of DATA REASONING.
Accompanying drawing explanation
Fig. 1 is the structural representation of how much state detecting trolleys of the utility model railroad track;
Fig. 2 is the top view of how much state detecting trolleys of the utility model railroad track;
Fig. 3 is the structural representation of hand push assembly in the utility model;
Fig. 4 is the structural representation of prism assemblies in the utility model;
Fig. 5 is the structural representation of mounting platform in the utility model;
Fig. 6 is the structural representation of locating wheel assembly in the utility model.
Description of reference numerals: 1, pedestal; 2, second cross beam; 3 brake wheels; 4, bracket leg fagging; 5, hand push assembly; 6, first crossbeam; 7, prism assemblies; 8, mounting platform; 9, spend sheet wheel; 10, locating wheel assembly; 11, the 3rd crossbeam; 12, supporting seat; 13, supporting plate; 14, brake handle; 15, handgrip; 16, leading inner tube; 17, locking device; 18, leading outer tube; 19, hand push seat; 20, prism columns; 21, prism bar; 22, fixed pedestal; 23, upper mounting plate; 24, reference column; 25, base; 26, slide rail; 27, slide block; 28, the first spring; 29, spring stop; 30, handle device; 31, movable axis; 32, locating wheel; 33, the second spring; 34, movable axis tail piece; 35, movable axis junction plate; 36, locating wheel vertical pivot.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As Fig. 1, shown in Fig. 2, how much state detecting trolleys of the present embodiment railroad track, comprise pedestal 1, main control unit and sensor, on described pedestal, be connected with first crossbeam 6, second cross beam 2 and the 3rd crossbeam 11, described main control unit is arranged on pedestal, described installation of sensors is on the 3rd crossbeam, described first crossbeam, second cross beam and the 3rd crossbeam composition Y type framework, described pedestal is provided with hand push assembly 5, described the 3rd crossbeam is provided with prism assemblies 7, described the 3rd crossbeam arranges locating wheel assembly 10 away from one end of pedestal, described first crossbeam and second cross beam are respectively equipped with brake wheel 3 away from one end of pedestal, the end of described the 3rd crossbeam is provided with colored sheet wheel 9, the added bracket leg fagging 4 that is provided with of described first crossbeam and second cross beam.
Described vehicle frame gripper shoe, first crossbeam, second cross beam, pedestal, the 3rd crossbeam and other module compositions primary structure of the present utility model, be the supporting body of every other functional unit, can reach Stability Analysis of Structures, measure precisely, long service life, accurate positioning, dismounting object easily.As shown in Figure 1 and Figure 2, while detecting dolly actual operation, put orientation and direction of travel according to track, and the one side at the first crossbeam in pedestal left side and second cross beam place is called left side by the custom of mapping, the one side at the 3rd crossbeam place is called right side.
As shown in Figure 1, how much state detecting trolley left sides of railroad track comprise 2 brake wheel assemblies, here by pedestal with and other assembly of left side be referred to as two-wheel part, and right side comprises 1 colored sheet wheel, pedestal right side can be referred to as to single-wheel part by other parts except prism assemblies.Described Double-wheel structure and single-wheel structure are installed by dismountable mode, are dismountable mode in the connected mode of pedestal and the 3rd crossbeam, adopt the locate mode of one side, three alignment pins to position.When single two-wheel two parts connect location, 2 short conical alignment pins are arranged in first assembling of bottom, have played the effect of guiding and anti-rotation, can realize more easily assembling and the location of long alignment pin.Finally, the right side of pedestal is fixed by locking device together with fitting to the left side of right side crossbeam.
As shown in Figure 3, described hand push assembly 5 comprise supporting seat 12, supporting plate 13, brake 14, handgrip 15, leading inner tube 16, locking device 17, leading outer tube 18 and hand push seat 19; Described leading outer tube one end is connected with hand push seat, and the other end is connected with leading inner tube by locking device; The top of described leading inner tube is provided with handgrip, and handgrip is provided with brake handle, and the middle part of handgrip is connected with supporting plate, and supporting plate is connected with leading inner tube by supporting seat; Described hand push assembly is fixedly connected with pedestal by hand push seat.The Main Function of described hand push assembly is the handling that facilitates in use people, allows people directly push away dolly and moves ahead, simultaneously by each sensor image data of computation control.
As shown in Figure 4, described prism assemblies 7 comprises prism columns 20 and prism bar 21; Described prism columns is arranged on the top of prism bar, and described prism bar is fixed on mounting platform 8.In the time of how much state detecting trolley operations of railroad track, prism is arranged in prism columns, can measure the coordinate that prism location is installed on how much state detecting trolleys of railroad track to the measurement of prism by total powerstation, thereby by calculating the various parameters that can obtain corresponding rail.
As shown in Figure 5, described mounting platform 8 comprises fixed pedestal 22, upper mounting plate 23, reference column 24 and base 25, and described upper mounting plate is arranged on fixed pedestal, and described base is arranged on upper mounting plate, and described reference column is arranged on base; Described fixed pedestal is fixed on the 3rd crossbeam, and described base and upper mounting plate position by reference column, and is fixed together with fixed pedestal.In the time of how much state detecting trolley operations of railroad track, prism assemblies or total powerstation can be placed on base, can realize two kinds of different metering systems, finally measure and calculate the various irregularity parameters of railway track.
As shown in Figure 6, described locating wheel assembly 10 comprises slide rail 26, slide block 27, the first spring 28, spring stop 29, handle device 30, movable axis 31, locating wheel 32, the second spring 33, movable axis tail piece 34, movable axis junction plate 35 and locating wheel vertical pivot 36; Described the first spring and the second spring housing are connected on movable axis, the first spring connects movable axis tail piece, movable axis junction plate is erected on slide block after being socketed in movable axis, described slide block setting in orbit, the end of the second spring is connected with spring stop, after described movable the tip of the axis connects locating wheel vertical pivot, is connected with locating wheel; Described handle device is connected with movable axis.
Applying how much state detecting trolleys of railroad track of the present utility model can measure the various irregularity parameters of track.The static geometric shape of railway track is measured and is mainly comprised following content:
Gauge: the beeline in same track cross section between the rail 2 gauge points of left and right, and the distance between 16mm place Wheel/Rail Contact Point inside the following rail of actual rail surface.It is 1435mm that China's newly built railway gauge unification is defined as gauge.In the utility model by realizing the measurement of gauge.
Level: the difference in height of rail surface place, left and right horizontal plane on same track cross section, i.e. depth displacement Δ h between the right rail top elevation h right side and a depth displacement h left side, left rail top, containing superelevation slope amount on the superelevation arranging on circular curve and easement curve.
Superelevation: 3 in Curve Segment outer rail end face and interior tread face design level height poor.
About when level (superelevation) is calculated, rail surface spacing benchmark is m=1500mm.
Rail to: inside rail, gauge point departs from the deviation of gauge point mean place perpendicular to orbital direction.Divide left and right rail to two kinds.Rail is to also referred to as direction, can be respectively by the space curve output of the positive resultant different wavelength range of different chord lengths, wherein level, superelevation and rail calculate by main control computer the respective value information that obtains to the locus coordinate correspondence of all ordering by total powerstation, prism group acquisition P.
Just: rail surface departs from the deviation of rail surface mean place perpendicular to orbital direction, divide two kinds of left and right height.Can be respectively by the space curve output of the positive resultant different wavelength range of different chord lengths, the data of the utility model middle orbit height are exported in main control computer and are obtained by the height detecting unit correspondence of left and right two tracks.
Gauge rate of change: be the ratio with difference and the base length of the long gauge measured value of 2.5m base.Actual how much irregularities of this project appraisal be rail to, the rail in the shorter scope of its key evaluation is to irregularity.Gauge rate of change directly affects Wheel Rail Contact, a little less than the oscillation crosswise impact of car body, travel safety and comfortableness is had to impact.
Horizontal rate of change: claim again twist irregularity.The ratio with difference and the base length of the long horizontal survey value of 2.5m base.Actual how much irregularities of this project appraisal are height, and being uneven in the shorter scope of its key evaluation is suitable.Horizontal rate of change directly affects tilting of car body, stronger on the oscillation crosswise impact of car body, and travel safety and comfortableness are had to impact.Space coordinates acquisition after main control computer is processed that in the utility model, gauge rate of change and horizontal rate of change are all ordered by obtaining space P.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.

Claims (7)

1. how much state detecting trolleys of railroad track, comprise pedestal, main control unit and sensor, on described pedestal, be connected with first crossbeam, second cross beam and the 3rd crossbeam, described main control unit is arranged on pedestal, described installation of sensors is on the 3rd crossbeam, it is characterized in that, described first crossbeam, second cross beam and the 3rd crossbeam composition Y type framework, described pedestal is provided with hand push assembly, described the 3rd crossbeam is provided with prism assemblies, described the 3rd crossbeam arranges locating wheel assembly away from one end of pedestal, described first crossbeam and second cross beam are respectively equipped with brake wheel away from one end of pedestal, the end of described the 3rd crossbeam is provided with colored sheet wheel, the added bracket leg fagging that is provided with of described first crossbeam and second cross beam.
2. how much state detecting trolleys of railroad track according to claim 1, is characterized in that, described hand push assembly is arranged on the center of pedestal, and described first crossbeam and second cross beam are 135 ° of angles.
3. how much state detecting trolleys of railroad track according to claim 1, is characterized in that, described pedestal is trident pedestal, and trident pedestal is connected by dismountable mode with the 3rd crossbeam.
4. how much state detecting trolleys of railroad track according to claim 1, is characterized in that, described hand push assembly comprises supporting seat, supporting plate, brake handle, handgrip, leading inner tube, locking device, leading outer tube and hand push seat; Described leading outer tube one end is connected with hand push seat, and the other end is connected with leading inner tube by locking device; The top of described leading inner tube is provided with handgrip, and handgrip is provided with brake handle, and the middle part of handgrip is connected with supporting plate, and supporting plate is connected with leading inner tube by supporting seat; Described hand push assembly is fixedly connected with pedestal by hand push seat.
5. how much state detecting trolleys of railroad track according to claim 1, is characterized in that, described prism assemblies comprises prism table, prism bar and prism columns; Described prism bar is arranged on prism table, and described prism columns is arranged on the top of prism bar, and described prism table is fixed on the 3rd crossbeam.
6. how much state detecting trolleys of railroad track according to claim 5, it is characterized in that, described prism table is fixed on the 3rd crossbeam by mounting platform, described mounting platform comprises fixed pedestal, upper mounting plate, reference column and base, described upper mounting plate is arranged on fixed pedestal, described base is arranged on upper mounting plate, and described reference column is arranged on base.
7. how much state detecting trolleys of railroad track according to claim 1, it is characterized in that, described locating wheel assembly comprises slide rail, slide block, the first spring, spring stop, handle device, movable axis, locating wheel, the second spring, movable axis tail piece, movable axis junction plate and locating wheel vertical pivot; Described the first spring and the second spring housing are connected on movable axis, the first spring connects movable axis tail piece, movable axis junction plate is erected on slide block after being socketed in movable axis, described slide block setting in orbit, the end of the second spring is connected with spring stop, after described movable the tip of the axis connects locating wheel vertical pivot, is connected with locating wheel; Described handle device is connected with movable axis.
CN201320885311.1U 2013-12-30 2013-12-30 Railway track geometrical state detection trolley Active CN203668780U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105133448A (en) * 2015-08-13 2015-12-09 广东工业大学 Device and method for calculating coordinate of track and coordinate of detected point
CN108755306A (en) * 2018-07-05 2018-11-06 中铁第五勘察设计院集团有限公司 A kind of track geometry status high precision measuring device
CN110735369A (en) * 2019-10-17 2020-01-31 中铁第五勘察设计院集团有限公司 dynamic orbit geometric state measuring method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105133448A (en) * 2015-08-13 2015-12-09 广东工业大学 Device and method for calculating coordinate of track and coordinate of detected point
CN105133448B (en) * 2015-08-13 2017-05-24 广东工业大学 Device and method for calculating coordinate of track and coordinate of detected point
CN108755306A (en) * 2018-07-05 2018-11-06 中铁第五勘察设计院集团有限公司 A kind of track geometry status high precision measuring device
CN110735369A (en) * 2019-10-17 2020-01-31 中铁第五勘察设计院集团有限公司 dynamic orbit geometric state measuring method

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Address after: 510000 Si Cheng Road, Tianhe District, Guangzhou, Guangdong Province, No. 39

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Patentee after: GUANGDONG University OF TECHNOLOGY

Address before: 510665 Room 301, South Building, 24-26 Keyun Road, Tianhe District, Guangzhou City, Guangdong Province

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