CN102042808B - Device, system and method for simultaneously measuring longitudinal displacement and lateral displacement of seamless rails - Google Patents
Device, system and method for simultaneously measuring longitudinal displacement and lateral displacement of seamless rails Download PDFInfo
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Abstract
The invention relates to a device, system and method for simultaneously measuring longitudinal displacement and lateral displacement of seamless rails, which belongs to the technical field of optical and geometrical position measurement. The device comprises a mark, a rail displacement measuring unit, a rail bolt and a central processing unit. By measuring the mark and the variation of positions of light spots exiting from a semiconductor laser unit to the rail at different time, the device can respectively measure the longitudinal displacement data and lateral displacement data of a point to be measured on the rail and transmit measuring values to the central processing unit by a wireless communication network so as to remotely monitor the displacement of the observed point. Two or more devices for simultaneously measuring the longitudinal displacement and lateral displacement of seamless rails and the same number of systems for simultaneously measuring the longitudinal displacement and lateral displacement of seamless rails not only can measure the longitudinal displacement and lateral displacement of a rail, but also can automatically find the maximum temperature stress section of the rail to avoid accidents, wherein each system for simultaneously the measuring longitudinal displacement and lateral displacement of seamless rails comprises an automatic rail temperature measuring unit and a shared central processing unit.
Description
Technical field
The invention belongs to optics and geometric position field of measuring technique, relate to a kind of gapless rail vertically, transversal displacement simultaneous measuring apparatus and method.
Background technology
Gapless track is the megatrend of railway technology development.Because can the corresponding longitudinal temperature stress of storage in the temperature variation, rail.May expansion rail track when it is warm, may break rail when cold in the sky, all may make the derail that operation passes through or overturn, cause great train accident.Therefore, steel rail displacement and temperature stress are measured in gapless track safety detection and monitoring and are played an important role, and are necessary displacement and the temperature stress of monitoring gapless track are carried out the continual remote monitoring of twenty four hours.
At present, the temperature stress measuring method of the most frequently used gapless rail is that piling method is observed in displacement both at home and abroad, and there are the shortcomings such as detection efficiency is low, the detection error is large, be difficult in time pinpointing the problems in the method.The patent No. is that the measuring accuracy of measurement mechanism can only reach ± 1mm in the Chinese utility model patent " rail displacement observator " of ZL 99214444.2.In addition, be in the Chinese utility model patent " counter point device for mounting instrument " of ZL 02262271.3 in the patent No., provide the technology of measuring by laser to solve thinking, can make limit error of measurement less than 1mm, but still needing manually-operated, measuring accuracy is limited, and can not realize automatic measurement.
For this reason, we have invented a kind of " utilizing device, system and the method thereof of laser automatic monitoring steel rail parameter " (patent No.: ZL 200610113287.4).The displacement of laser automatic measuring dimension rail is used in this invention, and will measure numerical value and be sent to CPU (central processing unit) by cordless communication network, thereby realize the remote monitoring to observation point displacement and temperature stress, but owing to need to the steel rail displacement measuring unit be installed at rail, these measuring units have certain weight and size, be subjected to rail vibration easily and break away from, cause and measure unsuccessfully.
For this reason, we have invented again a kind of " steel rail parameter automatic measurement device, system and method thereof " (application number: 200910087168.X).This invention need to not installed the steel rail displacement measuring unit at rail, but can only measure longitudinal displacement of steel rail, and measurement parameter is comprehensive not.
Summary of the invention
The objective of the invention is, for the defective that exists in steel rail parameter automatic measurement device, system and the method thereof of having invented at present, propose a kind of gapless rail vertically, transversal displacement simultaneous measuring apparatus, system and method thereof.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of gapless rail is vertical, the transversal displacement simultaneous measuring apparatus, and comprising: mark, steel rail displacement measuring unit, rail limit spud pile and CPU (central processing unit) connect in wired or wireless mode between steel rail displacement measuring unit and the CPU (central processing unit); The steel rail displacement measuring unit is except comprising imaging len, photoelectric position detector, signal processing circuit, power module, communication module, mounting box, Light Source Compensation device, support, Second Window glass, the 3rd window glass;
It is characterized in that: the steel rail displacement measuring unit also comprises semiconductor laser and first window glass; Semiconductor laser is fixed on the inner right-hand member of described mounting box by support, and it is also coaxial with it that the laser emitting end is close to the first window glass that embeds mounting box antetheca the right, and the other end links to each other with described signal processing circuit;
The steel rail displacement measuring unit is installed on the spud pile of rail limit, regulates the steel rail displacement measuring unit to the optimum position;
Three conditions are satisfied in the optimum position of described steel rail displacement measuring unit: (1) is so that mark by behind the second transparent window of described mounting box, satisfies paraxial condition when imaging in photoelectric position detector through imaging len; (2) so that Light Source Compensation device emergent light shines mark; (3) so that semiconductor laser shines the luminous point on the rail, behind the second transparent window by described mounting box, satisfy paraxial condition when imaging in photoelectric position detector through imaging len.
A kind of gapless rail is vertical, transversal displacement while measuring method, comprises the following steps:
Step 1: vertical, the transversal displacement simultaneous measuring apparatus of installation gapless rail;
Step 2: the Light Source Compensation device is emphasized luminous intensity according to ambient light, and mark is carried out light filling;
Step 3: initial measurement, described mark and described semiconductor laser shine the initial position of luminous point on rail that forms on the rail and are respectively A
1, B
1, described mark and the successively imaging on photoelectric position detector of described luminous point are processed the output signal of photoelectric position detector successively by signal processor, draw respectively the initial position A of picture on photoelectric position detector of described mark and described luminous point
1', B
1', the data obtained is sent into CPU (central processing unit) by communication module;
Step 4: length travel is measured in real time, when there is length travel H in described rail
1The time, describedly be marked at position on the rail by A
1Become A
2, the position of the picture of described mark on photoelectric position detector is by A
1' become A
2', drawn the real time position A of picture on photoelectric position detector of mark by signal processor
2', the data obtained is sent into CPU (central processing unit) by communication module;
Step 5: transversal displacement is measured in real time, when there is transversal displacement H in described rail
2The time, described semiconductor laser shines the position of luminous point on rail that form on the rail by B
1Become B
2, the position of the picture of described luminous point on photoelectric position detector is by B
1' become B
2', drawn the real time position B of picture on photoelectric position detector of luminous point by signal processor
2', and the data obtained sent into CPU (central processing unit) by communication module;
Step 6: the initial position A that the mark that is obtained respectively to step 5 by step 3 and described semiconductor laser shine the picture of luminous point on detector that forms on the rail
1', B
1' and real time position A
2', B
2', in CPU (central processing unit), according to the lens imaging formula
Relation and H between triangle formula, each limit of triangle
1'=A
1'-A
2', H
2'=B
1'-B
2', calculate mark and steel rail displacement measuring unit along the variable quantity of rail longitudinal direction relative position
And described semiconductor laser shines the luminous point that forms on the rail and steel rail displacement measuring unit along the variable quantity of rail horizontal direction relative position
Thereby obtain the vertical and transversal displacement data of rail.
A in the said method
1, B
1The position can overlap.
A kind ofly be with thermometric gapless rail vertical, transversal displacement is measuring system simultaneously, the gapless rail that comprises two or more is vertical, the transversal displacement simultaneous measuring apparatus, the automatic measuring unit of rail temperature and a shared CPU (central processing unit) VI of same quantity, it is characterized in that: per two gapless rails are vertical, it is vertical that the transversal displacement simultaneous measuring apparatus forms gapless rail, transversal displacement simultaneous measuring apparatus group, every group of gapless rail is vertical, comprise two automatic measuring units of rail temperature in the transversal displacement simultaneous measuring apparatus group, and the automatic measuring unit of rail temperature is vertical with the gapless rail corresponding with it, the communication module of transversal displacement simultaneous measuring apparatus links to each other with power module, all gapless rails are vertical, the communication module of transversal displacement simultaneous measuring apparatus shares same CPU (central processing unit), and all communication modules are connected by wired or wireless mode with CPU (central processing unit); The automatic measuring unit of rail temperature is fixed on the rail with bonding or mechanical connection manner; Native system measure rail vertically, in the transversal displacement, can also Automatic-searching to the maximum temperature stress location of rail, avoid the generation of accident.
A kind of aforesaid gapless rail is vertical, the measuring method of transversal displacement while measuring system, comprises the following steps:
Step 1: choose gapless rail vertically, transversal displacement simultaneously one group of gapless rail in the measuring system vertically, transversal displacement simultaneous measuring apparatus group, with wherein two gapless rails vertically, the transversal displacement simultaneous measuring apparatus be designated as respectively the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the transversal displacement simultaneous measuring apparatus;
Step 2: at any time, utilize the first gapless rail vertically, the steel rail displacement measuring unit III of transversal displacement simultaneous measuring apparatus measures between its installation place rail limit spud pile and the rail relative position along rail longitudinal direction, horizontal direction;
Step 3: with step 2 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit of transversal displacement simultaneous measuring apparatus measures between its installation place rail limit spud pile and the rail relative position along rail longitudinal direction, horizontal direction;
Step 4: with step 2 synchronization, the automatic measuring unit of rail temperature measures the Temperature numerical of its installation place rail;
Step 5: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the communication module 6 of transversal displacement simultaneous measuring apparatus, the data that respectively step 2, step 3 and step 4 recorded are sent to CPU (central processing unit);
Step 6: any time after the moment that step 2 is chosen, utilize the first gapless rail vertically, the steel rail displacement measuring unit of transversal displacement simultaneous measuring apparatus measures between its installation place rail limit spud pile and the rail relative position along rail longitudinal direction, horizontal direction;
Step 7: with step 6 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit of transversal displacement simultaneous measuring apparatus measures between its installation place rail limit spud pile and the rail relative position along rail longitudinal direction, horizontal direction;
Step 8: with step 6 synchronization, the automatic measuring unit of rail temperature measures the Temperature numerical of place, place rail;
Step 9: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, transversal displacement simultaneous measuring apparatus communication module 6, the data that step 6 and step 7 and step 8 are recorded are sent to CPU (central processing unit);
Step 10: CPU (central processing unit) is processed two different two groups of gapless rails constantly data vertical, that the transversal displacement simultaneous measuring apparatus transmits, obtain two gapless rails vertically, the length variations Δ L of the corresponding length of transversal displacement simultaneous measuring apparatus, and the changing value Δ T of two different rail temperatures constantly, according to formula σ t=(α * Δ T-Δ L/L) * E calculate two groups of gapless rails vertically, Railroad's Temperature Stress between the transversal displacement simultaneous measuring apparatus.Wherein: α is the linear expansion coefficient of rail, is about 11.8 * 10
-6/ ℃; E is the elastic modulus of rail, is about 2.1 * 10
5MPa; L is the initial length that two gapless rails are vertical, transversal displacement simultaneous measuring apparatus present position differs.
The method measure rail vertically, in the transversal displacement, can also Automatic-searching to the maximum temperature stress location of rail.
Description of drawings
Fig. 1 is that gapless rail of the present invention is vertical, the measuring principle figure of transversal displacement simultaneous measuring apparatus.
Fig. 2 is that gapless rail of the present invention is vertical, the schematic top plan view of transversal displacement simultaneous measuring apparatus.
Fig. 3 is that gapless rail of the present invention is vertical, synoptic diagram is looked on the left side of transversal displacement simultaneous measuring apparatus.
Fig. 4 is that gapless rail of the present invention is vertical, synoptic diagram is looked on the right side of transversal displacement simultaneous measuring apparatus.
Fig. 5 is that the thermometric gapless rail of being with of embodiments of the invention two is vertical, transversal displacement while measuring system synoptic diagram.
Among the figure:
Mark I, I ', rail II, steel rail displacement measuring unit III, III ', rail limit spud pile IV, IV ', the automatic measuring unit V of rail temperature, V ', CPU (central processing unit) VI;
Critical piece explanation: imaging len 1, semiconductor laser 2, photoelectric position detector 3, signal processing circuit 4, power module 5, communication module 6, mounting box 7, Light Source Compensation device 8, first window glass 9, Second Window glass 10, the 3rd window glass 11, support 12.
Smooth curve is all electrical connection.
The explanation of Main physical amount: S1 is the vertical range between imaging len 1 and the rail II, S2 is the vertical range between imaging len 1 and the photoelectric position detector 3, a is that semiconductor laser 2 shines the upper luminous point that forms of rail II and the distance between imaging len 1 center, b is that semiconductor laser 2 shines the upper distance of luminous point between photoelectric position detector 3 imagings and imaging len 1 center that forms of rail II, θ
1For semiconductor laser 2 shines the angle of the laser beam of laser beam on the rail II and the upper reflection of rail II, θ
2For inciding laser beam on the photoelectric position detector 3 and the angle of photoelectric position detector 3.
Embodiment
Embodiment one:
Such as Fig. 2, Fig. 3, shown in Figure 4, a kind of gapless rail is vertical, the transversal displacement simultaneous measuring apparatus comprises mark I, steel rail displacement measuring unit III, rail limit spud pile IV.
Mark I is fixed on the surface of the optional position of rail IV rail head or the web of the rail, and mark I direction is vertical with horizontal direction.
Steel rail displacement measuring unit III comprises imaging len 1, semiconductor laser 2, photoelectric position detector 3, signal processing circuit 4, power module 5, communication module 6, mounting box 7, Light Source Compensation device 8, support 12, first window glass 9, Second Window glass 10 and the 3rd window glass 11;
Imaging len 1 is close to Second Window glass 10 and coaxial with it, jointly embeds in the middle of mounting box 7 antethecas;
Light Source Compensation device 8 is close to the 3rd window glass 11 and coaxial with it, jointly embeds mounting box 7 antetheca left ends;
Steel rail displacement measuring unit III is installed on the spud pile IV of rail limit, and regulate steel rail displacement measuring unit III to the optimum position, three conditions are satisfied in the optimum position: (1) is so that mark I by behind the second transparent window 10 of mounting box 7, satisfies paraxial condition when imaging in photoelectric position detector 3 through imaging len 1; (2) so that Light Source Compensation device 8 emergent lights shine mark I; (3) so that semiconductor laser 2 shines the luminous point on the rail II, behind the second transparent window 10 by mounting box 7, satisfy paraxial condition when imaging in photoelectric position detector 3 through imaging len 1.
Rail limit spud pile IV is installed in the rail II outside, determines according to the site operation situation with the distance of rail II.
Gapless rail is vertical, the transversal displacement simultaneous measuring apparatus also comprises CPU (central processing unit) VI, and communication module 6 is connected with CPU (central processing unit) VI with wired or wireless mode.
Vertical, the transversal displacement while measuring method of gapless rail vertical based on above-mentioned a kind of gapless rail, the transversal displacement simultaneous measuring apparatus comprises the following steps:
Step 1: vertical, the transversal displacement simultaneous measuring apparatus of installation gapless rail;
Step 2: Light Source Compensation device 8 is emphasized luminous intensity according to ambient light, and mark I is carried out light filling, and this step carries out can saving when (such as weather such as solar eclipse, misty rain, sand and dust) is measured under cloudy day, night or the particular surroundings not needing.
Step 3: carry out initial measurement, mark I and semiconductor laser 2 shine the upper initial position of luminous point on rail that forms of rail II and are respectively A
1, B
1Mark I and luminous point be imaging on photoelectric position detector 3 successively, successively the output signal of photoelectric position detector 3 is processed by signal processor 4, drawn respectively the initial position A of picture on photoelectric position detector 3 that mark I and semiconductor laser 2 shine the upper luminous point that forms of rail II
1', B
1', the data obtained is sent into CPU (central processing unit) VI by communication module 6;
Step 4: length travel is measured in real time, when there is length travel H in rail IV
1The time, the position of mark I on rail II is by A
1Become A
2, the position of the picture of mark I on photoelectric position detector 3 is by A
2Become A
2', drawn the real time position A of picture on photoelectric position detector 3 of mark I by signal processor 4
2', and the data obtained sent into CPU (central processing unit) VI by communication module 6;
Step 5: transversal displacement is measured in real time, when there is transversal displacement H in rail II
2The time, semiconductor laser 2 shines the upper position of luminous point on rail that forms of rail II by B
1Become B
2, the position of the picture of luminous point on photoelectric position detector 3 is by B
1' become B
2', drawn the real time position B of picture on photoelectric position detector 3 of mark I by signal processor 4
2', and the data obtained sent into CPU (central processing unit) VI by communication module 6;
Step 6: shine the initial position A that rail II goes up the picture of luminous point on detector that forms to mark I and the semiconductor laser 2 that step 5 obtains respectively by step 3
1', B
1' and real time position A
2', B
2', in CPU (central processing unit) VI, according to the lens imaging formula principle
Relation and H between triangle formula, each limit of triangle
1'=A
1'-A
2', H
2'=B
1'-B
2', calculate mark I and steel rail displacement measuring unit III along the variable quantity of rail II longitudinal direction relative position
And semiconductor laser 2 shines the upper luminous point that forms of rail II and steel rail displacement measuring unit III along the variable quantity of rail II horizontal direction relative position
Thereby obtain the vertical and transversal displacement data of rail II.
In the measurement, A
1, B
1The position can overlap.
The effect of present embodiment is that employing mark, laser spot come automatically to measure steel rail displacement as measured target, have avoided human error, and measuring accuracy, measurement efficient improve greatly; Measure simultaneously vertical, the transversal displacement of rail, avoided human error, measuring accuracy, measurement efficient improve greatly; Need to any measuring unit or device be installed at rail, avoid because the measurement failure that caused by the rail vibration disengaging; The Light Source Compensation device can be realized round-the-clock measurement.
Embodiment two:
As shown in Figure 5, be with thermometric gapless rail vertical, transversal displacement simultaneously measuring system comprises that two or more gapless rail is vertical, the transversal displacement simultaneous measuring apparatus, the automatic measuring unit of rail temperature and a shared CPU (central processing unit) VI of same quantity, per two gapless rails are vertical, it is vertical that the transversal displacement simultaneous measuring apparatus forms gapless rail, transversal displacement simultaneous measuring apparatus group, every group of gapless rail is vertical, comprise in the transversal displacement simultaneous measuring apparatus group to two automatic measuring unit V of rail temperature, V ', and the automatic measuring unit V of rail temperature, V ' is vertical with corresponding gapless rail, the communication module 6 of transversal displacement simultaneous measuring apparatus links to each other with power module 5, all gapless rails are vertical, the communication module 6 of transversal displacement simultaneous measuring apparatus shares same CPU (central processing unit) VI, and all communication modules 6 are connected by wired or wireless mode with CPU (central processing unit) VI.
The gapless rail automatic measuring unit V of rail temperature, V ' vertical, transversal displacement while measuring system is fixed on the rail II with bonding or mechanical connection manner in the present embodiment, and is connected with power module 5 with communication module 6.The annexation of other parts is identical with embodiment one.
Vertical, the transversal displacement while measuring method of a kind of gapless rail vertical based on above-mentioned gapless rail, transversal displacement while measuring system comprises the following steps:
Step 1: choose gapless rail vertically, transversal displacement simultaneously one group of gapless rail in the measuring system vertically, transversal displacement simultaneous measuring apparatus group, with wherein two gapless rails vertically, the transversal displacement simultaneous measuring apparatus be designated as respectively the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the transversal displacement simultaneous measuring apparatus;
Step 2: at any time, utilize the first gapless rail vertically, the steel rail displacement measuring unit III of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile IV and the rail II relative position along rail longitudinal direction, horizontal direction;
Step 3: with step 2 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile IV and the rail II relative position along rail longitudinal direction, horizontal direction;
Step 4: with step 2 synchronization, the automatic measuring unit V of rail temperature measures the Temperature numerical of its installation place rail II;
Step 5: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the communication module 6 of transversal displacement simultaneous measuring apparatus, the data that respectively step 2, step 3 and step 4 recorded are sent to CPU (central processing unit) VI;
Step 6: any time after the moment that step 2 is chosen, utilize the first gapless rail vertically, the steel rail displacement measuring unit III of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile IV and the rail II relative position along rail longitudinal direction, horizontal direction;
Step 7: with step 6 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit III of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile IV and the rail II relative position along rail longitudinal direction, horizontal direction;
Step 8: with step 6 synchronization, the automatic measuring unit V of rail temperature, V ' measure the Temperature numerical of the rail II of place, place;
Step 9: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, transversal displacement simultaneous measuring apparatus communication module 6, the data that step 6 and step 7 and step 8 are recorded are sent to CPU (central processing unit) VI;
Step 10: CPU (central processing unit) VI processes two different two groups of gapless rails constantly data vertical, that the transversal displacement simultaneous measuring apparatus transmits, obtain the length variations Δ L of the initial length L that two gapless rails are vertical, transversal displacement simultaneous measuring apparatus present position differs, and the changing value Δ T of two different rail temperatures constantly, according to formula σ t=(α * Δ T-Δ L/L) * E calculate two groups of gapless rails vertically, Railroad's Temperature Stress between the transversal displacement simultaneous measuring apparatus.Wherein: α is the linear expansion coefficient of rail, is about 11.8 * 10
-6/ ℃; E is the elastic modulus of rail, is about 2.1 * 10
5MPa; L is the initial length that two gapless rails are vertical, transversal displacement simultaneous measuring apparatus present position differs.The effect of present embodiment is,, transversal displacement simultaneous measuring apparatus vertical by two or more gapless rails, the automatic measuring unit of rail temperature of same quantity and the steel rail parameter automatic measurement system that CPU (central processing unit) consists of, measure rail vertically, in the transversal displacement, can also Automatic-searching to the maximum temperature stress location of rail, avoid the generation of accident.
Claims (5)
- A gapless rail vertically, the transversal displacement simultaneous measuring apparatus, comprise: mark (I), steel rail displacement measuring unit (III), rail limit spud pile (IV) and CPU (central processing unit) (VI) connect in wired or wireless mode between steel rail displacement measuring unit (III) and the CPU (central processing unit) (VI); Steel rail displacement measuring unit (III) comprises imaging len (1), photoelectric position detector (3), signal processing circuit (4), power module (5), communication module (6), mounting box (7), Light Source Compensation device (8), support (12), Second Window glass (10), the 3rd window glass (11);It is characterized in that: steel rail displacement measuring unit (III) also comprises semiconductor laser (2) and first window glass (9); Semiconductor laser (2) is fixed on the inner right-hand member of mounting box (7) by support (12), and it is also coaxial with it that the laser emitting end is close to the first window glass (9) that embeds mounting box (7) antetheca the right, and the other end links to each other with signal processing circuit (4);Imaging len (1) is close to Second Window glass (10) and coaxial with it, jointly embeds in the middle of mounting box (7) antetheca; Photoelectric position detector (3) is fixed on the signal processing circuit (4), and its photosurface is positioned on imaging len (1) optical axis; Light Source Compensation device (8) is close to the 3rd window glass (11) and coaxial with it, jointly embeds mounting box (7) antetheca left end;Steel rail displacement measuring unit (III) is installed on the rail limit spud pile (IV), regulates steel rail displacement measuring unit (III) to the optimum position; Following three conditions are satisfied in the optimum position of steel rail displacement measuring unit (III): so that mark (I) satisfies paraxial condition by behind second transparent window (10) of mounting box (7) when imaging in photoelectric position detector (3) through imaging len (1); So that Light Source Compensation device (8) emergent light shines mark (I); So that semiconductor laser (2) shines the luminous point on the rail (II), behind the second transparent window (10) by mounting box (7), satisfy paraxial condition when imaging in photoelectric position detector (3) through imaging len (1).
- One kind utilize gapless rail as claimed in claim 1 vertically, the gapless rail of transversal displacement simultaneous measuring apparatus vertically, transversal displacement measuring method simultaneously, it is characterized in that said method comprising the steps of:Step 1: vertical, the transversal displacement simultaneous measuring apparatus of installation gapless rail;Step 2: Light Source Compensation device (8) is emphasized luminous intensity according to ambient light, and mark (I) is carried out light filling, and this step can be saved when not needing to carry out cloudy day, night or solar eclipse, misty rain, dust and sand weather measurement;Step 3: carry out initial measurement, mark (I) shines the upper initial position of luminous point on rail that forms of rail (II) with semiconductor laser (2) and is respectively A 1, B 1Mark (I) and luminous point are successively in the upper imaging of photoelectric position detector (3), successively the output signal of photoelectric position detector (3) is processed by signal processing circuit (4), drawn respectively mark (I) and shine the upward initial position A of picture on photoelectric position detector (3) of the luminous point of formation of rail (II) with semiconductor laser (2) 1', B 1', the data obtained is sent into CPU (central processing unit) (VI) by communication module (6);Step 4: length travel is measured in real time, when there is length travel H in rail (II) 1The time, the position of mark (I) on rail (II) is by A 1Become A 2, the position of the picture of mark (I) on photoelectric position detector (3) is by A 1' become A 2', drawn the real time position A of picture on photoelectric position detector (3) of mark (I) by signal processing circuit (4) 2', and the data obtained sent into CPU (central processing unit) (VI) by communication module (6);Step 5: transversal displacement is measured in real time, when there is transversal displacement H in rail (II) 2The time, semiconductor laser (2) shines the upper position of luminous point on rail that forms of rail (II) by B 1Become B 2, the position of the picture of luminous point on photoelectric position detector (3) is by B 1' become B 2', drawn the real time position B of picture on photoelectric position detector (3) of luminous point by signal processing circuit (4) 2', and the data obtained sent into CPU (central processing unit) (VI) by communication module (6);Step 6: the mark (I) that is obtained respectively to step 5 by step 3 shines the initial position A that rail (II) is gone up the picture of luminous point on detector that forms with semiconductor laser (2) 1', B 1' and real time position A 2', B 2', in CPU (central processing unit) (VI), according to the lens imaging formula principle, relation and H between the triangle formula, each limit of triangle 1'=A 1'-A 2', H 2'=B 1'-B 2', calculate mark (I) and the variable quantity of steel rail displacement measuring unit (III) along rail (II) longitudinal direction relative position
And semiconductor laser (2) shines the upper luminous point that forms of rail (II) and steel rail displacement measuring unit (III) along the variable quantity of rail (II) horizontal direction relative position Thereby, obtain rail (II) vertically and the transversal displacement data;
Wherein, S1 is the vertical range between imaging len (1) and the rail (II), S2 is the vertical range between imaging len (1) and the photoelectric position detector (3), a is that semiconductor laser (2) shines the upper luminous point that forms of rail (II) and the distance between imaging len (1) center, b is that semiconductor laser (2) shines the upper distance of luminous point between photoelectric position detector (3) imaging and imaging len (1) center that forms of rail (II), θ 1For semiconductor laser (2) shines the angle of the laser beam of laser beam on the rail (II) and the upper reflection of rail (II), θ 2For inciding laser beam on the photoelectric position detector (3) and the angle of photoelectric position detector (3). - 3. vertical, the transversal displacement while measuring method of a kind of gapless rail according to claim 2 is characterized in that: A 1, B 1The position can overlap.
- A gapless rail vertically, transversal displacement measuring system simultaneously, comprise that plural gapless rail as claimed in claim 1 is vertical, the transversal displacement simultaneous measuring apparatus, the automatic measuring unit of rail temperature and a shared CPU (central processing unit) (VI) of same quantity, it is characterized in that: per two gapless rails vertically, the transversal displacement simultaneous measuring apparatus form gapless rail vertically, transversal displacement simultaneous measuring apparatus group, every group of gapless rail is vertically, comprise two the automatic measuring units of rail temperature (V, V in the transversal displacement simultaneous measuring apparatus group '), and the automatic measuring unit of rail temperature (V, V ') link to each other with power module (5) with corresponding gapless rail communication module (6) vertical, the transversal displacement simultaneous measuring apparatus, all gapless rails are vertical, the communication module (6) of transversal displacement simultaneous measuring apparatus shares same CPU (central processing unit) (VI), and all communication modules (6) are connected by wired or wireless mode with CPU (central processing unit) (VI); The automatic measuring unit of rail temperature (V, V ') be fixed on the rail (II) with bonding or mechanical connection manner; Native system measure rail vertically, in the transversal displacement, can also Automatic-searching to the maximum temperature stress location of rail, avoid the generation of accident.
- A gapless rail as claimed in claim 4 vertically, the transversal displacement measuring method of measuring system simultaneously, described method comprises the following steps:Step 1: choose gapless rail vertically, transversal displacement simultaneously one group of gapless rail in the measuring system vertically, transversal displacement simultaneous measuring apparatus group, with wherein two gapless rails vertically, the transversal displacement simultaneous measuring apparatus be designated as respectively the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the transversal displacement simultaneous measuring apparatus;Step 2: at any time, utilize the first gapless rail vertically, the steel rail displacement measuring unit (III) of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile (IV) and the rail (II) relative position along rail longitudinal direction, horizontal direction;Step 3: with step 2 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit (III) of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile (IV) and the rail (II) relative position along rail longitudinal direction, horizontal direction;Step 4: with step 2 synchronization, the automatic measuring unit of rail temperature (V) measures the Temperature numerical of its installation place rail (II);Step 5: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, the communication module (6) of transversal displacement simultaneous measuring apparatus, the data that respectively step 2, step 3 and step 4 recorded are sent to CPU (central processing unit) (VI);Step 6: any time after the moment that step 2 is chosen, utilize the first gapless rail vertically, the steel rail displacement measuring unit (III) of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile (IV) and the rail (II) relative position along rail longitudinal direction, horizontal direction;Step 7: with step 6 synchronization, utilize the second gapless rail vertically, the steel rail displacement measuring unit (III) of transversal displacement simultaneous measuring apparatus measures between its rail limit, installation place spud pile (IV) and the rail (II) relative position along rail longitudinal direction, horizontal direction;Step 8: with step 6 synchronization, the automatic measuring unit of rail temperature (V, V ') measure the Temperature numerical of place place rail (II);Step 9: by the first gapless rail vertically, transversal displacement simultaneous measuring apparatus and the second gapless rail vertically, transversal displacement simultaneous measuring apparatus communication module (6), the data that step 6 and step 7 and step 8 are recorded are sent to CPU (central processing unit) (VI);Step 10: CPU (central processing unit) (VI) is vertical to two different two groups of gapless rails constantly, the data that the transversal displacement simultaneous measuring apparatus transmits are processed, it is vertical to obtain two gapless rails, transversal displacement simultaneous measuring apparatus present position initially differs the length variations Δ L of length L, and the changing value Δ T of two different rail temperatures constantly, that (α * Δ T-Δ L/L) * E calculates two groups of gapless rails is vertical according to formula σ t=, Railroad's Temperature Stress between the transversal displacement simultaneous measuring apparatus, wherein: α is the linear expansion coefficient of rail, is about 11.8 * 10 -6/ ℃; E is the elastic modulus of rail, is about 2.1 * 10 5MPa; L is that two gapless rails are vertical, transversal displacement simultaneous measuring apparatus present position initially differs length.
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| CN105544328A (en) * | 2016-02-15 | 2016-05-04 | 李旭光 | Steel rail longitudinal displacement monitoring system |
| CN105865342B (en) * | 2016-06-07 | 2020-03-20 | 东莞市顺林模型礼品股份有限公司 | Assembly detecting system of toy car |
| CN107462161A (en) * | 2017-06-28 | 2017-12-12 | 无锡威奥液压机电设备有限公司 | A kind of subway rail displacement detector |
| CN107499334A (en) * | 2017-06-28 | 2017-12-22 | 无锡威奥液压机电设备有限公司 | A kind of subway railway roadbed displacement detection device |
| CN112195694A (en) * | 2020-10-28 | 2021-01-08 | 天津市铁通计算机网络工程有限公司 | Steel rail displacement monitoring system |
| CN112813749B (en) * | 2021-01-05 | 2023-05-09 | 中国神华能源股份有限公司神朔铁路分公司 | Rail displacement observer |
| CN113188472A (en) * | 2021-04-29 | 2021-07-30 | 中国科学院长春光学精密机械与物理研究所 | Low-temperature surface shape detection device and method for large-area-array image sensor |
| CN118211310B (en) * | 2024-05-20 | 2024-07-23 | 苏交科集团股份有限公司 | Bridge hollow slab transverse connection state evaluation method, system and storage medium based on mean shift accumulation degree |
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| CN100460255C (en) * | 2006-09-21 | 2009-02-11 | 北京交通大学 | Device, system and method for automatic monitoring steel rail parameter by using laser |
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| CN100460255C (en) * | 2006-09-21 | 2009-02-11 | 北京交通大学 | Device, system and method for automatic monitoring steel rail parameter by using laser |
| CN101219671A (en) * | 2008-01-04 | 2008-07-16 | 李�诚 | Transverse and vertical dynamic displacement measuring device of high-speed railway track circuit |
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