CN207860183U - Measure the orbit measurement device of third rail geometric parameter - Google Patents

Measure the orbit measurement device of third rail geometric parameter Download PDF

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Publication number
CN207860183U
CN207860183U CN201820200647.2U CN201820200647U CN207860183U CN 207860183 U CN207860183 U CN 207860183U CN 201820200647 U CN201820200647 U CN 201820200647U CN 207860183 U CN207860183 U CN 207860183U
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instrument
rail
profile
mounting bracket
measuring
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CN201820200647.2U
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程洪
王利洲
田宇鹏
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Beijing Li Tie Transit Equipment Co Ltd
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Beijing Li Tie Transit Equipment Co Ltd
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Abstract

The utility model discloses a kind of orbit measurement devices measuring third rail geometric parameter, its key points of the technical solution are that including central processing unit, laser profiles instrument mounted on train bottom and the computer that is connect with central processing unit, laser profiles instrument with include that the circuit board of central processing unit is connect, there are two laser profiles instrument for the top setting of every track, two laser profiles instrument are respectively the front and back preceding profile instrument being arranged and rear profile instrument, the orbit measurement device further includes the mounting bracket for being fixed on train bottom, frame-shaped and laser profiles instrument that mounting bracket is rectangle are located at the four corners of mounting bracket, the side of mounting bracket is provided with the third rail laser profiles instrument towards third rail direction, detection more accurate to track irregularity under low-speed situations is reached, and the purpose that conveniently third rail is detected.

Description

Measure the orbit measurement device of third rail geometric parameter
Technical field
The utility model is related to a kind of field of orbit measurement, more particularly to a kind of track measuring third rail geometric parameter Measuring device.
Background technology
Early stage track condition uses artificial detection, 19 century 70s track geometry measuring trolley occur.It is small with manual hand Vehicle and motor-driven detection trolley are detected.It cannot reflect that track is several under train wheel load action with these method inspections What state.Over the past decade, since running speed improves, freight volume increases, and the injustice that need to further increase track is pliable, it is desirable that more Track irregularity waveform is accurately measured, thus promotes the development of track detecting new technology.
In the prior art, track irregularity is surveyed using 3 points of inclined string methods or inertial reference method.At high speeds, lead to Inertial reference method is often used to be detected the irregularity of track, by install odometer ON TRAINS, three-dimensional gyroscope with And track gauge sensor, cross dip sensor and vertical inclination angle sensor obtain track with respect to geometric parameter, i.e. relative measurement number According to.The measuring principle that three-dimensional gyroscope measures track relevant path is shown in Fig. 1, opposite to sit by taking the calculating of horizontal plane internal coordinate as an example Marking algorithmic formula is:Wherein:α is that three-dimensional gyroscope measures in real time Horizontal plane in angle change, l be odometer measure as a result, LiFor starting point to the mileage for calculating point, tiFor in measurement process Time it is micro.
And third rail can be set on the side of track, third rail is called power rail, refers to being mounted on city rail ( Iron, light rail etc.) beside circuit, a track for individually being used for powering, without to the distance between third rail and track It is detected and monitors.
Utility model content
The purpose of this utility model is to provide a kind of orbit measurement device measuring third rail geometric parameter, its advantage is that low To detection more accurate of track irregularity in the case of speed, and conveniently third rail is detected.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of measurement third rail is several The orbit measurement device of what parameter, including central processing unit, laser profiles instrument and and centre mounted on train bottom Manage the computer of unit connection, laser profiles instrument with include that the circuit board of central processing unit is connect, every track it is upper Side's setting is respectively the front and back preceding profile instrument being arranged and rear profile instrument, the rail there are two laser profiles instrument, two laser profiles instrument Road measuring device further includes being fixed on the mounting bracket of train bottom, and the frame-shaped that mounting bracket is rectangle and laser profiles instrument are located at peace The four corners shelved, the side of mounting bracket are provided with the third rail laser profiles instrument towards third rail direction.
By using above-mentioned technical proposal, it can be determined by odometer and obtain track at low speeds with respect to geometric parameters Several xi, three-dimensional gyroscope measures angle change α, the preceding real-time measurement distance raceway surface x of profile instrument in horizontal plane in real timei-1 The offset h at placei-1, the rear real-time measurement distance raceway surface x of profile instrumentiThe offset h at placei-1, preceding profile instrument in real time measure away from From raceway surface xiThe offset h at placei', y of the track with respect to geometric parameter is calculated by computeri, finally obtain measurement Arbitrary point (xi, yi), ride comfort parameter is obtained, it is more convenient to the measurement of parameters accurate;Pass through third rail laser profiles Instrument is convenient for measuring the distance and profile of third rail.
Preferably, third rail laser profiles instrument is provided directly with positioning component with mounting bracket, and the two passes through positioning component Splicing setting.
By using above-mentioned technical proposal, facilitate the dismounting of third rail laser profiles instrument, swashs third rail need not be used Light profile instrument can pack up third rail laser profiles instrument.
Preferably, positioning component includes locating piece and positioning bolt, the side of mounting bracket is offered to be embedded in for locating piece Locating slot, locating piece are fixed by positioning bolt and mounting bracket.
By using above-mentioned technical proposal, dismounting is more convenient, and when connection more stablizes.
Preferably, positioning component further includes the auxiliary positioning side affixed with third rail laser profiles instrument, auxiliary positioning side is set The other side opposite in the side of third rail laser profiles instrument setting locating piece is set, auxiliary positioning spiral shell is provided at auxiliary positioning side It bolt and is fixed with mounting bracket by auxiliary positioning bolt.
It is further solid by auxiliary positioning side in installation third rail laser profiles instrument by using above-mentioned technical proposal It is fixed so that fixed more firm.
Preferably, preceding profile instrument includes measuring the front inside profile instrument of profile on the inside of rail and measuring rail lateral profile Front on the outside of profile instrument, rear profile instrument includes measuring on the inside of rail profile instrument on the inside of profile rear.
By using above-mentioned technical proposal, profile instrument coordinates jointly on the outside of front inside profile instrument and front, detects track Section, while measuring track overall profile.
Preferably, the outside at the profile instrument of mounting bracket setting front inside, which is spliced, a point frame body, profile instrument is solid on the outside of front It is connected on point frame body.
It is convenient to profile instrument disassembling, assembling and replacing on the outside of front by using above-mentioned technical proposal.
Preferably, the corner of mounting bracket offers lock slots, divides on frame body to protrude outward and be formed in embedded lock slots Clamping block, be provided with locking bolt at clamping block and fixed by locking bolt and mounting bracket.
By using above-mentioned technical proposal, clamping block and lock slots cooperate, and frame body and mounting bracket is divided to fix more Stablize.
Preferably, the other side for dividing frame body setting clamping block side opposite is connected with fixed edge, it is provided at fixed edge solid Determine bolt and is fixed by fixing bolt and mounting bracket.
By using above-mentioned technical proposal, fixed edge and fixing bolt play the role of centainly being auxiliarily fixed so that divide frame Body fixes more secured.
Preferably, being provided with middle part profile instrument between preceding profile instrument and rear profile instrument.
By using above-mentioned technical proposal, middle part profile instrument can provide track profile, middle part profile instrument and preceding profile instrument It participates in three section type waves jointly with rear profile instrument and grinds survey calculation, ground using 3 points of inclined string method detection waves.
In conclusion the utility model has the advantages that:Under low-speed situations more to the detection of track irregularity It is accurate, and conveniently third rail is detected.
Description of the drawings
Fig. 1 is structural schematic diagram when mounting bracket is connected with train;
Fig. 2 is the portions the A enlarged drawing in Fig. 2;
Schematic diagram when Fig. 3 is the irradiation of laser profiles instrument;
Fig. 4 is schematic diagram when profile instrument chooses benchmark;
Fig. 5 is schematic diagram when low speed measures orbit geometry parameter;
Fig. 6 is schematic diagram when inertial reference method measures orbit geometry parameter;
Fig. 7 is the mounting bracket structural schematic diagram of embodiment two;
Fig. 8 is to divide frame body and mounting bracket cooperation schematic diagram in embodiment two;
Fig. 9 is structural schematic diagram when dividing frame body to be combined with mounting bracket in embodiment two;
Figure 10 is the mounting bracket structural schematic diagram of embodiment three;
Figure 11 is the mounting bracket configuration schematic diagram of embodiment three;
Figure 12 is the structural schematic diagram of the mounting bracket of example IV;
Figure 13 is the mounting bracket configuration schematic diagram of example IV.
In figure, 1, track;2, mounting bracket;21, divide frame body;211, clamping block;2111, locking bolt;212, splicing protrusion; 213, fixed edge;2131, fixing bolt;214, splice slot;22, front frame body;23, linkage section;231, link block;2311, it connects Bolt;232, link slot;24, back frame body;25, third rail Zaser contourgraph;251, locating piece;252, positioning bolt;253, auxiliary Help positioning side;2531, auxiliary positioning bolt;3, rear profile instrument;4, preceding profile instrument;41, profile instrument on the inside of front;42, outside front Side profile instrument;5, three-dimensional gyroscope;6, mounting assembly;61, connecting rod;62, nut;63, mounting base;7, middle part profile instrument.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.
Embodiment one
The orbit measurement device of third rail geometric parameter is measured as shown in Figure 1, a kind of, including records train in real time by inner Three-dimensional gyroscope 5, real-time 1 apparent height of measurement distance track of the odometer of journey, in real time the angle change α in measurement horizontal plane Laser profiles instrument, laser profiles instrument (can claim Zaser contourgraph, laser profile tester, laser profile scanner etc.) includes The preceding profile instrument 4 of real-time 1 apparent height of measurement distance track, the rear profile instrument 3 of real-time 1 apparent height of measurement distance track, it is whole Reason calculates the computer of odometer, three-dimensional gyroscope 5, preceding profile instrument 4 and rear 3 information of profile instrument, odometer, three-dimensional gyroscope 5 With laser profiles instrument with include that the circuit board of central processing unit is connect, central processing unit can pass through wireless telecommunications Mode is connected with computer, and the information that central processing unit receives acquisition feeds back to computer.
The top of every track 1 is both provided with preceding profile instrument 4 and rear profile instrument 3, preceding profile instrument 4 and rear profile instrument 3 along The front and back distribution in 1 direction of track.The orbit measurement device for measuring third rail geometric parameter further includes mounting bracket 2, the side of mounting bracket 2 It is provided with mounting assembly 6.In conjunction with Fig. 2, mounting assembly 6 includes connecting rod 61 and the mounting base 63 affixed with 2 side of mounting bracket, The upper end of connecting rod 61 can be affixed by bolt and train bottom, and the lower end of connecting rod 61 is provided with screw thread, connecting rod 61 There are two nut 62, the lower end of connecting rod 61 passes through connecting seat for lower thread connection, by two nuts 62 be clamped and connected seat from And fixed mounting 63.
The frame-shaped that mounting bracket 2 is rectangle, laser profiles instrument are mounted on the four corners of mounting bracket 2, and three-dimensional gyroscope 5 is located at On the inside of mounting bracket 2 and it is located at medium position, three-dimensional gyroscope 5 and the inner wall of mounting bracket 2 are affixed.
Preceding profile instrument 4 includes before measuring the front inside profile instrument 41 of profile on the inside of rail and measuring rail lateral profile Side outside profile instrument 42 measures the section of track 1 by profile instrument 42 on the outside of profile instrument 41 on the inside of front and front, can also survey Span leaves the right or normal track the height on 1 surface, and rear profile instrument 3 includes measuring on the inside of rail that profile instrument can measure apart from rail on the inside of profile rear The height on 1 surface of road.In conjunction with Fig. 3, profile instrument 42 is located on the side of track 1 on the outside of front inside profile instrument 41 and front Square, profile instrument 42 can be symmetrical about track 1 on the outside of front inside profile instrument 41 and front, and profile instrument is located at track on the inside of rear Above 1 side, the profile on the inside of track can be measured by each profile instrument in this way, you can judge vertically offset and transverse direction together Offset.
Selected reference is needed when judging to deviate by profile instrument in conjunction with Fig. 4, the work edge profile of track 1 can be selected The point of contact of common tangent, common tangent and track 1 is exactly the datum mark vertically deviated, and tangent line moves down certain distance, Ke Yishi 14mm, 16mm or 20mm, the intersection point with medial surface are exactly the datum mark of lateral shift, and vertical offset is for calculating height, laterally Offset for calculate rail to.
A kind of low speed measurement orbit geometry parameter method, the method can be applicable in no more than 15Km/h in train speed, need It is acquired and locates using odometer, three-dimensional gyroscope 5, central processing unit, preceding profile instrument 4, rear profile instrument 3 and computer Data are managed, on the train that the above equipment is respectively mounted, the distance between preceding profile instrument 4 and rear profile instrument 3 of 1 top of same root track For C.In launch train, open odometer, three-dimensional gyroscope 5, central processing unit, preceding profile instrument 4, rear profile instrument 3 and Computer.
It records the mileage of train process in real time by odometer later, track can be obtained in reflection to the coordinate in horizontal plane 1 opposite geometric parameter xi, it is input in computer by the arrangement of central processing unit.Three-dimensional gyroscope 5 measures horizontal in real time Angle change α in face, is input to by central processing unit in computer.4 real-time 1 surface of measurement distance track of preceding profile instrument xi-1The height h at placei-1, it is input in computer by central processing unit.3 real-time 1 surface of measurement distance track of profile instrument afterwards xiThe height h at placei, it is input in computer by central processing unit.Since track 1 exists centainly in the process of running Irregularity, train have certain fluctuating, and preceding profile instrument 4 has detected x at this timei-1X is reached after the numerical value at placeiWhen place's detection numerical value, X can be detected with rear profile instrument 3iWhen detection numerical value hiDifference, 4 real-time measurement distance track of profile instrument, 1 surface x before can rememberingiPlace Height be hi', it is input in computer by central processing unit.
The irregularity of track 1 in space has vertical longitudinal irregularity, also has lateral irregularity, vertical irregularity that can claim For height, height rises and falls in other words, and lateral irregularity is also referred to as track alignment irregularity, in order to measure 1 vertical irregularity of track With lateral irregularity, wherein offset can be vertical height apart from 1 upper surface of track either apart from 1 inner surface of track Lateral distance.
It in conjunction with Fig. 5, makes and illustrating by taking longitudinal irregularity as an example, curve is 1 actual oscillating curves of track, on curve The both ends of square line segment are respectively the height apart from 1 surface of track that preceding profile instrument 4 and rear profile instrument 3 are measured.The length of line segment is It is certain, it is denoted as C, but since track 1 has certain fluctuating so that train and installation three-dimensional gyroscope 5 ON TRAINS, preceding The posture of profile instrument 4 and rear profile instrument 3 is different, and α is the angle change in the horizontal plane that three-dimensional gyroscope 5 measures in real time, the xiThe angle at place is αi-1, the height apart from 1 surface of track that preceding profile instrument 4 is surveyed is hi-1', the distance that rear profile instrument 3 is surveyed The height on 1 surface of track is hi, therefore can obtain, yi=yi-1+h‘i-1+c*sinαi-1-hi, finally obtainWherein y0It is measured value, h with Ci’、αiAnd hiFor measured value, pass through computer Obtain the parameter (x of each pointi, yi), ultimately form the oscillating curves of track 1.Vertical h is height when measuring vertical irregularity, and When measuring lateral irregularity, lateral h cries offset, preceding profile instrument 4 and rear profile instrument 3 measure apart from the inclined of 1 inner surface of track Shifting.
Embodiment two
As shown in fig. 7, the outside splicing at the setting of mounting bracket 2 front inside profile instrument 41 has point frame body 21, front outside Profile instrument 42 is fixed on point frame body 21.In mounting bracket 2 and divide the bottom of 21 the two of frame body that can offer holding tank, preceding exterior feature Shape instrument 4 and rear profile instrument 3 are arranged in holding tank, are divided in the holding tank of frame body 21 wherein front outside profile instrument 42 is located at.
In conjunction with Fig. 8, in order to which fixation divides the stabilization of frame body 21 more, the corner of mounting bracket 2 to offer lock slots, divide frame body It protrudes outward to form locking clamping block 211 on 21, when being installed, clamping block 211 is embedded in lock slots, by locking after allowing Determine the locking bolt 2111 at block 211 to fix clamping block 211 and mounting bracket 2, complete installation, is not needing on the outside of front in this way It can be to its fast assembling-disassembling in the case of contourgraph.More stablize to divide frame body 21 to connect, be more less likely to occur to shake, In the side of mounting bracket 2 i.e. close to dividing 21 side of frame body to offer splicing slot 214, dividing frame body 21 lateral close to mounting bracket 2 one Outer protrusion is formed with splicing protrusion 212, and splicing protrusion 212 is inserted into splicing slot 214 when mounted.
In conjunction with Fig. 9, naturally it is also possible to be connected with fixed edge dividing frame body 21 that the opposite other side in 211 side of clamping block is arranged 213, fixing bolt 2131 is provided at fixed edge 213,2131 one end of fixing bolt passes through through-hole and installation on fixed edge 213 Frame 2 is affixed.
Embodiment three
As shown in Figure 10 and Figure 11, it difference from example 1 is that, is set between preceding profile instrument 4 and rear profile instrument 3 It is equipped with middle part profile instrument 7, middle part profile instrument 7 measures 1 inside profile of track and position, participates in three section type waves and grinds survey calculation (intermediate point that three collinear points are really extracted from three sections).When 3 points of inclined string methods in the prior art survey wave mill, lead to Chang Shiyong's is that laser is laid in beam of laser to track 1, to judge distance and offset;And the utility model is using wheel Wide instrument judges distance and offset.
Middle part profile instrument 7 is mounted on the middle part of mounting bracket 2, and mounting bracket 2 includes front frame body 22, the linkage section 23 set gradually With back frame body 24, the both ends of linkage section 23 outwardly protrude to form link block 231 respectively, are opened up on front frame body 22 and back frame body 24 Have a link slot 232 being embedded in for link block 231, link block 231 by connect bolt 2311 respectively with front frame body 22 and back frame body 24 fix.
Example IV
As shown in Figures 12 and 13, the side of mounting bracket 2 is provided with the third rail laser profiles instrument 25 towards third rail direction, Third rail laser profiles instrument 25 is fixed on by positioning component on mounting bracket 2, and positioning component includes locating piece 251 and positioning bolt 252, the side of mounting bracket 2 offers the locating slot being embedded in for locating piece 251, and locating piece 251 passes through positioning bolt 252 and installation Frame 2 is fixed;If being connected with point frame body 21 on mounting bracket 2, locating slot is opened in the outside of point frame body 21.
And the stabilization for the installation of third rail laser profiles instrument 25 more, positioning component further includes auxiliary positioning side 253, auxiliary It helps positioning side 253 to be fixed in third rail laser profiles instrument 25 and the opposite other side in 251 side of locating piece, auxiliary positioning side is set 253 are fixed by auxiliary positioning bolt 2531 and mounting bracket 2;If being connected with point frame body 21 on mounting bracket 2, then third rail laser Profile instrument 25 is arranged in the top for dividing frame body 21, and auxiliary positioning side 253 passes through auxiliary positioning after extending to 2 top of mounting bracket later Bolt 2531 is fixed.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of orbit measurement device measuring third rail geometric parameter, it is characterised in that:Including central processing unit, it is mounted on The laser profiles instrument of train bottom and the computer being connect with central processing unit, laser profiles instrument with include centre The circuit board connection of unit is managed, there are two laser profiles instrument, two laser profiles instrument are respectively for the top setting of every track (1) The preceding profile instrument (4) of front and back setting and rear profile instrument (3), which further includes being fixed on the peace of train bottom It shelves (2), the frame-shaped that mounting bracket (2) is rectangle and laser profiles instrument are located at the four corners of mounting bracket (2), mounting bracket (2) Side is provided with the third rail laser profiles instrument (25) towards third rail direction.
2. the orbit measurement device according to claim 1 for measuring third rail geometric parameter, it is characterised in that:Third rail swashs Light profile instrument (25) is provided directly with positioning component with mounting bracket (2), and the two splices setting by positioning component.
3. the orbit measurement device according to claim 2 for measuring third rail geometric parameter, it is characterised in that:Positioning component Including locating piece (251) and positioning bolt (252), the side of mounting bracket (2) is offered for the embedded positioning of locating piece (251) Slot, locating piece (251) are fixed by positioning bolt (252) and mounting bracket (2).
4. the orbit measurement device according to claim 3 for measuring third rail geometric parameter, it is characterised in that:Positioning component Further include the auxiliary positioning side (253) affixed with third rail laser profiles instrument (25), auxiliary positioning side (253) are arranged in third rail The opposite other side in side of locating piece (251) is arranged in laser profiles instrument (25), and it is fixed that auxiliary is provided at auxiliary positioning side (253) Position bolt (2531) and to pass through auxiliary positioning bolt (2531) and mounting bracket (2) fixed.
5. the orbit measurement device according to claim 1 for measuring third rail geometric parameter, it is characterised in that:Preceding profile instrument (4) include measuring profile instrument on the outside of the front inside profile instrument (41) of profile on the inside of rail and the front of measurement rail lateral profile (42), rear profile instrument (3) includes measuring profile rear inside profile instrument on the inside of rail.
6. the orbit measurement device according to claim 5 for measuring third rail geometric parameter, it is characterised in that:Mounting bracket (2) the outside splicing at setting front inside profile instrument (41) has a point frame body (21), and profile instrument (42) is fixed in point on the outside of front On frame body (21).
7. the orbit measurement device according to claim 6 for measuring third rail geometric parameter, it is characterised in that:Mounting bracket (2) corner offers lock slots, divides the clamping block (211) for protruding outward and being formed in embedded lock slots on frame body (21), It is provided with locking bolt (2111) at clamping block (211) and is fixed by locking bolt (2111) and mounting bracket (2).
8. the orbit measurement device according to claim 7 for measuring third rail geometric parameter, it is characterised in that:Divide frame body (21) the opposite other side in setting clamping block (211) side is connected with fixed edge (213), and fixed edge is provided with fixation at (213) Bolt (2131) and to pass through fixing bolt (2131) and mounting bracket (2) fixed.
9. the orbit measurement device according to claim 1 for measuring third rail geometric parameter, it is characterised in that:In preceding profile Middle part profile instrument (7) is provided between instrument (4) and rear profile instrument (3).
CN201820200647.2U 2018-02-05 2018-02-05 Measure the orbit measurement device of third rail geometric parameter Active CN207860183U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110329286A (en) * 2019-08-06 2019-10-15 中国铁建重工集团股份有限公司 Single track intelligent patrol detection vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110329286A (en) * 2019-08-06 2019-10-15 中国铁建重工集团股份有限公司 Single track intelligent patrol detection vehicle

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