CN208088034U - Lofting instrument for railroad track - Google Patents
Lofting instrument for railroad track Download PDFInfo
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- CN208088034U CN208088034U CN201721614218.1U CN201721614218U CN208088034U CN 208088034 U CN208088034 U CN 208088034U CN 201721614218 U CN201721614218 U CN 201721614218U CN 208088034 U CN208088034 U CN 208088034U
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Abstract
The utility model provides a kind of lofting instrument for railroad track.Lofting instrument includes：Light launcher, on the railroad track, for light launcher for sending out line light, the light path where line light is vertical with the longitudinal direction of railroad track for setting；Light reflecting device projects after line light is mapped to the first predetermined angle on light reflecting device and with the second predetermined angle, to determine the position on the basis of railroad track both sides.Precision is relatively low when the technical solution of the utility model solves the problems, such as to determine the position on basis in the prior art.
Description
Technical field
The utility model is related to electrified contacting nets fields, in particular to a kind of lofting instrument for railroad track.
Background technology
In electric railway creates or is transformed, the soft position across the basis with hard crossbeam in the yard of station on roadbed
It sets, it is general to be determined using " draw and lead to line " setting-out technique." draw lead to line " be determine contact net it is soft across or hard crossbeam base position
One of common technology.It draws the principle for leading to line to be perpendicular on the direction of station main line track, is stood in the curb of side line by 2 people
On, it tightens drawing and leads to line, drawn with range estimation by people and lead to line whether perpendicular to main line track, if perpendicular to main line track, by both sides
Personnel determine the position on its basis；If being not orthogonal to main line track, position is adjusted by two side guy personnel, draws and leads to until range estimation
Line just can determine base position until the main track.In the prior art, without the tool of dedicated Fundamentals of Measurement position,
Determine that the precision of the position on basis is relatively low by above-mentioned " draw and lead to line " method.
Utility model content
The main purpose of the utility model is to provide a kind of lofting instruments for railroad track, to solve in the prior art
The relatively low problem of the precision of the position on the basis that " draw lead to line " method determines.
To achieve the goals above, a kind of lofting instrument for railroad track, lofting instrument are provided according to the utility model
Including：Light launcher, on the railroad track, light launcher is for sending out line light, the light where line light for setting
Road is vertical with the longitudinal direction of railroad track；Light reflecting device, after line light is mapped to the first predetermined angle on light reflecting device
And projected with the second predetermined angle, to determine the position on the basis of railroad track both sides.
Further, lofting instrument further includes the gauging rule of setting on the railroad track, and light launcher connects with gauging rule
It connects, so that the light path where line light is vertical with the longitudinal direction of railroad track.
Further, lofting instrument further includes support portion, and one end of support portion is connect with gauging rule, the other end of support portion with
Light launcher connects.
Further, light reflecting device includes：Reflecting optics, for reflecting line light；Mounting base connects with reflecting optics
It connects, mounting base is rotationally arranged on light reflecting device, and under the turning effort of mounting base, reflecting optics rotation is straight to change
The reflection direction of linear light.
Further, light reflecting device further includes calibration plate, and calibration plate is vertically arranged with reflecting optics, calibration plate and reflection
Eyeglass and/or mounting base connection.
Further, light reflecting device further includes the bearing for being used to support mounting base, wherein bearing is that bearing height can
The bearing of adjusting.
Further, bearing includes：First support tube；Second support tube, one end of the first support tube and the second support tube
Connection, the other end of the first support tube is connect with mounting base, so that the first support tube can be on the length direction of the second support tube
It is removable relative to the second support tube；Fixed part, for the first support tube to be fixed on the second support tube.
Further, the first support tube is equipped with first through hole, and the second support tube is equipped with the second through-hole, and fixed part is successively
Across the second through-hole and first through hole the first support tube to be locked on the second support tube.
Further, the second support tube is equipped with threaded hole, and fixed part is bolt, bolt pass through after threaded hole with first
The outside wall surface of stay tube abuts.
Further, light launcher is laser emitter.
Using the technical solution of the utility model, light launcher is set on the railroad track, and staff is default
Region the light path of above-mentioned line light is determined by light reflecting device, and adjust light reflecting device so that line light from perpendicular to
Light reflecting device is injected in the direction of the reflecting surface of light reflecting device；Rotating light-reflective device changes the incident angle of line light, instead
Firing angle degree also changes, in this way, line light is reflected on ground, personnel easy to operation determine the soft cross of railroad track both sides
Across or the basis such as hard crossbeam position.Due to line light light path perpendicular to railroad track longitudinal direction, and along perpendicular to
Light reflecting device is injected in the direction of the reflecting surface of light reflecting device.Therefore, the incident ray and injection light of light reflecting device are injected
Longitudinal direction of the plane that the reflection light of reflection unit is constituted perpendicular to railroad track.Railroad track is determined by the above method
The position on the basis of both sides, the line of the position on corresponding basis is in above-mentioned plane, and the line of above-mentioned base position is perpendicular to iron
The longitudinal direction in rail road.That is, using the lofting instrument of the application, the railroad track both sides that are determined by the above method
The precision of the position on basis is higher, and the precision for overcoming the position on the basis for " drawing in the prior art and lead to line " method to determine is lower
Problem.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the lofting instrument of embodiment one according to the present utility model；
Fig. 2 shows the structural schematic diagrams of the lofting instrument of embodiment two according to the present utility model；
Fig. 3 shows the structural schematic diagram of the light reflecting device of the lofting instrument of Fig. 1；
Fig. 4 shows the axonometric drawing of the dual-headed laser transmitter of the lofting instrument of Fig. 2；And
Fig. 5 shows that lofting instrument according to the present utility model determines the principle schematic of the position on basis.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, light launcher；11, laser emitter；12, dual-headed laser transmitter；13, line light；14, the first reflection
Light；15, the second reflection light；16, third reflection light；17, the 4th reflection light；20, gauging rule；30, support portion；40,
Light reflecting device；41, bearing；411, the first support tube；412, the second support tube；413, fixed part；414, third support tube；
42, reflecting optics；43, calibration plate；44, mounting base；45, shaft；50, railroad track；51, the position where first foundation；52,
Position where second basis.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the utility model and the embodiments of the present invention, basis refer to positioned at 50 both sides of railroad track it is soft across
Or the basis of hard crossbeam.In embodiments herein, parallel rays that line light refers to that the direction of propagation is identical and is mutually parallel
The set of (i.e. directional light).First predetermined angle and the second predetermined angle can be equal, can not also be equal.For example, when first
When predetermined angle is 90 °, line light 13 or parallel injection minute surface (i.e. the second predetermined angle is also 90 °) are anti-for minute surface at this time
It penetrates.
Embodiment one
As shown in Figure 1, the lofting instrument of the embodiment of the present application one includes light launcher 10 and light reflecting device 40.Light
Emitter 10 is arranged on railroad track 50, for sending out line light 13, the light path where the line light 13 and railroad track
50 longitudinal direction is vertical；It is penetrated after line light 13 is mapped to the first predetermined angle on light reflecting device 40 and with the second predetermined angle
Go out, to determine the position on the basis of 50 both sides of railroad track.
Light launcher 10 is set on railroad track 50, and staff passes through light reflecting device 40 in preset region
It determines the light path of above-mentioned line light 13, and adjusts light reflecting device 40, so that line light 13 is from perpendicular to light reflecting device 40
Light reflecting device 40 is injected in the direction of reflecting surface；Rotating light-reflective device 40 changes the incident angle of line light 13, reflection angle
Also change, in this way, line light 13 is reflected on ground, personnel easy to operation determine 50 both sides of railroad track it is soft across
Or the position on the basis such as hard crossbeam.Due to line light 13 light path perpendicular to railroad track 50 longitudinal direction, and along vertical
Light reflecting device 40 is injected in the direction of the reflecting surface of light reflecting device 40.Therefore, the incident ray of light reflecting device 40 is injected
Longitudinal direction of the plane constituted with the reflection light for projecting light reflecting device 40 perpendicular to railroad track 50.Pass through the above method
Determine the position on the basis of 50 both sides of railroad track, the line of the position on corresponding basis is in above-mentioned plane, above-mentioned base position
Line perpendicular to railroad track 50 longitudinal direction.That is, using the lofting instrument of the application, determined by the above method
50 both sides of railroad track basis position precision it is higher, overcome the basis that " draw lead to line " method determines in the prior art
Position the relatively low problem of precision.
Staff determines the light path of above-mentioned line light 13 in preset region by light reflecting device 40, at this point, light is anti-
The luminous point of line light 13 is presented on injection device 40.Staff uses board device, and the plane of board device is anti-perpendicular to light
Injection device 40, and from above-mentioned luminous point surrounding close to above-mentioned luminous point, if not occurring luminous point in the plane of above-mentioned board device, then
Illustrate that line light 13 injects light reflecting device 40 from the direction of the reflecting surface perpendicular to light reflecting device 40.If above-mentioned tablet dress
There is luminous point in the plane set, illustrates that line light 13 is not anti-from the direction incident light of the reflecting surface perpendicular to light reflecting device 40
Injection device 40, staff adjusts light reflecting device 40 at this time, until there is luminous point in the plane of above-mentioned board device.
Specifically, as shown in Figure 1, in the present embodiment, light reflecting device 40 is rotated around shaft 45, the axis of the shaft 45
Light path where line light 13, i.e., the axis of shaft 45 is perpendicular to the length extension side of the body of rod as mounting base 44
To.
(in figure, dotted line indicates postrotational light reflecting device 40 and normal) as shown in Figure 5, light launcher 10
From ground is parallel to, line light 13 is sent out perpendicular to the direction of the longitudinal direction of railroad track 50.Staff adjusts light reflection
Device 40, so that after line light 13 injects light reflecting device 40 from the direction of the reflecting surface perpendicular to light reflecting device 40.In iron
The side in rail road 50, makes light reflecting device 40 be rotated around shaft 45, and line light 13 enters angle [alpha] 2 with first and is mapped to light reflection
After device 40, the first reflection light 14 is irradiated therewith forms the first luminous point on the ground；Line light 13 enters angle [alpha] to be more than first
After 2 another angle [alpha] 1 is mapped to light reflecting device 40, the irradiation of the second reflection light 15 forms the second luminous point on the ground, according to the
One luminous point and the second luminous point can determine the position 51 where the first foundation of 50 side of railroad track.In the another of railroad track 50
Side makes light reflecting device 40 be rotated around shaft 45, and line light 13 is entered with third after angle beta 2 is mapped to light reflecting device 40, the
Three reflection lights 16 form third luminous point on the ground, and then, line light 13 enters angle beta to enter the 4th of angle beta 2 more than third
After 1 is mapped to light reflecting device 40, the 4th reflection light 17 forms the 4th luminous point on the ground, according to third luminous point and the 4th luminous point
Determine the position 52 where the second basis of 50 other side of railroad track.According to the principle of reflection of light, above-mentioned first reflection light
14, the second reflection light 15, third reflection light 16 and the 4th reflection light 17 in the same plane, also, above-mentioned plane
It is vertical with railroad track 50.Above-mentioned first luminous point, the second luminous point, third luminous point and the 4th luminous point line in above-mentioned plane,
Therefore, railroad track 50 is vertical with above-mentioned line.In turn, the first foundation of 50 both sides of railroad track determined according to the above method
The line of position 52 where the position 51 at place and the second basis is perpendicular to above-mentioned railroad track 50.
In the embodiment of the present application, lofting instrument further includes the gauging rule 20 being arranged on railroad track 50, light launcher
10 connect with gauging rule 20, so that the light path where line light 13 is vertical with the longitudinal direction of railroad track 50.
When by the installation to railroad track 50 of gauging rule 20, make the length direction of gauging rule 20 and indulging for railroad track 50
It is vertical to direction, light launcher 10 is arranged on gauging rule 20, the light path where such line light 13 and railroad track
50 longitudinal direction is vertical.The lofting instrument using the embodiment of the present application determine 50 both sides of railroad track it is soft across or hard crossbeam
Basis position when, gauging rule 20 need to be only mounted on railroad track 50, so that it may to realize the light path where line light 13
It is vertical with the longitudinal direction of railroad track 50, it is easy to operate, it is easy to implement.
As shown in figures 1 and 3, in embodiments herein one, light reflecting device 40 includes bearing 41,42 and of reflecting optics
Mounting base 44.Reflecting optics 42 are for reflecting line light 13 to determine the base position of 50 both sides of railroad track；Reflecting optics 42
It being connect with mounting base, mounting base 44 is rotationally arranged on bearing 41, under the turning effort of mounting base 44, reflecting optics 42
To change the reflection direction of line light 13, bearing 41 is used to support mounting base 44 for rotation.
In above-mentioned technical proposal, reflecting optics 42 are connect with mounting base, and mounting base 44 is rotationally arranged on bearing 41,
Under the turning effort of mounting base 44, reflecting optics 42 are rotated to change the reflection direction of line light 13；Pass through above-mentioned setting, work
Make personnel and adjust light reflecting device 40, so that line light 13 injects light reflecting device 40, rotation from perpendicular to the direction of reflecting surface
Mounting base 44 drives the rotation of reflecting optics 42 to change the reflection direction of line light 13, and then determines 50 both sides of railroad track
It is soft across or hard crossbeam basis position.The light reflecting device 40 of above-mentioned setting is simple in structure, easily operated, is easy to implement.
Preferably, the non-reflecting surface of reflecting optics 42 is bonded with mounting base 44, and mounting base 44 passes through shaft 45 and bearing 41
Connection, it is preferable that the axis of the shaft 45 is perpendicular to the light path where line light 13.Mounting base 44 around the shaft 45 rotate with
Reflecting optics 42 are driven to rotate.In this way, line light 13 is irradiated to perpendicular to the reflecting surface of reflecting optics 42 on reflecting optics 42, lead to
Cross rotation reflecting optics 42, you can the incident angle for changing line light 13, to change reflection angle and the reflection of line light 13
Direction is irradiated to position on ground, to more accurately determine on ground after determining light reflection to the person of being more convenient to operate
Basis where position.
The light reflecting device 40 of above-mentioned setting is simple in structure, easily operated, is easy to implement.
In embodiments herein one, light reflecting device further includes calibration plate 43, and calibration plate 43 is vertical with reflecting optics 42
Setting, school
Quasi- plate 43 is connect with reflecting optics 42 and/or mounting base 44.
The lofting instrument using the present embodiment determine 50 both sides of railroad track it is soft across or hard crossbeam basis position
When, in order to ensure line light 13 is injected along the direction of the reflecting surface perpendicular to reflecting optics 42, a school is increased in the application
Quasi- plate 43.
Preferably, calibration plate 43 is slab construction, one end and 42 vertical connection of reflecting optics of calibration plate 43.Staff
Adjust light reflecting device 40 so that line light 13 from perpendicular to the direction of reflecting surface inject light reflecting device 40 reflecting optics 42
When, using the side towards reflecting optics 42 of calibration plate 43 as object of reference, light reflecting device 40 is adjusted, makes line light 13 upper
State and show light path in the plane of calibration plate 43 being connect with reflecting optics 42, i.e., line light 13 be parallel to above-mentioned calibration plate 43 with
The plane that reflecting optics 42 connect.At this point, the reflecting surface due to reflecting optics 42 is vertical with the plane of calibration plate 43, straight line
Light 13 from perpendicular to the direction of reflecting surface inject light reflecting device 40 reflecting optics 42.
Preferably, above-mentioned calibration plate 43 is semicircle tablet, and reflecting optics 42 are rectangle eyeglass.One of reflecting optics 42
Sideline is overlapped with the straight line of semicircle tablet, and the sideline is vertical with above-mentioned shaft 45.The midpoint in the sideline and above-mentioned semicircle
The center of circle of tablet overlaps, which refers to the center of circle of the side towards reflecting optics 42 of above-mentioned semicircle tablet.That is reflecting optics
42 above-mentioned sideline is bonded with a semicircular planform of calibration plate 43.Graduation mark is set at equal intervals on above-mentioned semicircle tablet.
Staff makes line light 13 inject the upper of reflecting optics 42 from perpendicular to the direction of reflecting surface when adjusting light reflecting device 40
It states the position at midpoint, when rotary mounting seat 44, passes through the angle that above-mentioned graduation mark determines rotation.The light of the lofting instrument of above-mentioned setting
Reflection unit 40, it is simple in structure, it is easily operated, it is easy to implement.The above-mentioned sideline of reflecting optics 42 and the one and half of calibration plate 43
Circular flat is bonded, and junction is seamless, can occur astigmatism phenomenon to avoid the luminous point for being reflected into ground, reduces what setting-out came out
The error of the position and angle on basis.
Preferably, calibration plate 43 may be located on right over reflecting optics 42.
Specifically, bearing 41 is the bearing that bearing height can be adjusted.The bearing can adjust bearing according to actual conditions
41 height, to adapt to different construction sites.
In the embodiment of the present application, bearing 41 includes the first support tube 411, the second support tube 412 and fixed part 413.First
One end of support tube 411 is connect with the second support tube 412, and the other end of the first support tube 411 is connect with mounting base 44, so that the
One support tube 411 can be removable relative to the second support tube 412 on the length direction of the second support tube 412；Fixed part 413 is used
It is fixed on the second support tube 412 in by the first support tube 411.
In the embodiment of the present application, the first support tube 411 is equipped with first through hole, and it is logical that the second support tube 412 is equipped with second
Hole, fixed part 413 sequentially pass through the second through-hole and first through hole so that the first support tube 411 to be locked on the second support tube 412.
In the embodiment of the present application, the second support tube is equipped with threaded hole, and fixed part 413 is bolt, and bolt passes through after threaded hole with first
The outside wall surface of support tube abuts.
Preferably, it can also be arranged in second one end of support tube 412 far from light reflecting device 40 in the embodiment of the present application
Third support tube 414, the second support tube 412 are fixed on third support tube 414 by fixed part 413；By above-mentioned setting, into one
Step increases by 41 adjustable height of bearing.
In the embodiment not provided, the branch of upper level can also be sheathed in the direction increase far from light reflecting device 40
Stay tube, to increase by 41 adjustable height of bearing.
In the embodiment of the present application, light launcher 10 is laser emitter 11.In night work, laser emitter 11
The light of transmitting can clearly see by staff, reduce the difficulty that night determines base position.
Preferably, as shown in Figure 1, in this implementation, two laser emitters 11 are set at the both ends of gauging rule 20,.It is above-mentioned
Laser emitter 11 emits laser to the left and right sides of railroad track 50 respectively on the length direction of gauging rule 20.Work people
Member uses two light reflecting devices 40 to determine the position of above-mentioned line light 13 respectively in the preset region of 50 both sides of railroad track
Set, so determine positioned at 50 both sides of railroad track it is soft across or hard crossbeam basis position.
Embodiment two
Embodiment two and embodiment one the difference is that, as shown in Fig. 2, in order to which light regulating emitter 10 is perpendicular
The upward height and position of histogram, keeps the application range of lofting instrument wider, and lofting instrument further includes support portion 30, one end of support portion 30
It is connect with gauging rule 20, the other end of support portion 30 is connect with light launcher 10.Preferably, the light transmitting in this implementation
Device 10 is dual-headed laser transmitter 11, and above-mentioned dual-headed laser transmitter 11 is on the length direction of gauging rule 20, respectively to iron
The left and right sides in rail road 50 emits laser.Staff uses two respectively in the preset region of 50 both sides of railroad track
Light reflecting device 40 determines the position of above-mentioned line light 13, so determine positioned at 50 both sides of railroad track it is soft across or hard crossbeam
Basis position.
Rail track is complicated and changeable, the both sides of the railroad track 50 of part way, is higher than in the vertical direction in the presence of height
The shelter of the height of railroad track 50, the shelter can shut out the light the line light 13 that emitter 10 is sent out.In this kind of feelings
Under condition, light reflecting device 40 can not reflect line light 13 with determine 50 both sides of railroad track it is soft across or hard crossbeam basis
Position.For this purpose, in the embodiment of the present application, support portion 30 is set on gauging rule 20.The support portion 30 far from gauging rule 20 one
End is connect with light launcher 10, so that the position of light launcher 10 is higher than the height of shelter, convenient for determining soft cross
Across or hard crossbeam basis position.
Preferably, in the embodiment of the present application, support portion 30 is T-bar part, and the vertical section of the T-bar part passes through pin and rail
Carpenters square 20 connects, and the horizontal segment of the T-bar part is connect with light launcher 10.The T-bar part is simple in structure, easily operated,
It is easy to implement.
In embodiment two, other structures are identical as the structure of embodiment one, and details are not described herein again.
In the prior art, by " GPS " Coordinate setting-out and " total powerstation " Coordinate setting-out, the precision of the position on basis is determined
It is high.But since construction site does not have " control point " can not verify GPS or total powerstation under normal circumstances, in addition design drawing
The corresponding coordinate for not having its base position in paper leads to have certain limitation, Bu Nengyou using GPS or total station instrument coordinate setting-out
Effect easily measures the position on its basis.GPS and total powerstation need to be operated by professional technician simultaneously, non-specialized-technical people
Member need to pass through training rear and its apparatus measures setting-out can be used.
The lofting instrument of the present embodiment, simple in structure, easily operated, non-specialized-technical personnel can quickly grasp user
Method, the defect for overcoming GPS and total powerstation that need to be operated by professional technician.Also, during determining the position on basis,
Without being verified by " control point " at scene.
Below with specific example, illustrate the application lofting instrument determine 50 both sides of railroad track it is soft across or hard crossbeam
The operating method of the position on basis：
Embodiment one：As shown in Figure 1, in this example, two laser emitters 11 are installed on the both ends of gauging rule 20.This reality
Impose 50 both sides of railroad track on determining station main track it is soft across or hard crossbeam basis position for illustrate.It is above-mentioned
Basis is projected as the sideline rectangular area parallel or vertical with railroad track 50 ground.In the rectangular area, far from iron
The rectangular edges in rail road 50 be rear edge, with it is rear along parallel rectangular edges be forward position.
Light launcher 10 is installed on railroad track 50 by gauging rule 20, opens opening for laser emitter 11
It closes, laser emitter is made to emit light to the both sides of railroad track 50；Staff passes through light reflecting device in preset region
40 determine the light path of above-mentioned line light 13, using the plane of calibration plate 43 being connect with reflecting optics 42 as object of reference, adjust light
Reflection unit 40 makes light show light path in the plane of above-mentioned calibration plate 43 being connect with reflecting optics 42, and injects anti-
It penetrates on the point overlapped with the center of circle of calibration plate in the reflecting surface of eyeglass 42, at this point, light vertically injects reflecting optics 42；Pass through branch
Seat 41 adjusts the case where height of light reflecting device 40 is to adapt to construction site, and is fixed light reflecting device 40 by bearing 41
In ground；The mounting base 44 of light reflecting device 40 rotates first angle, at this point, showing two light paths on calibration plate 43, respectively
For the light path of the light path and the reflection light for being reflected reflecting optics 42 of the incident ray of injection reflecting optics 42；By above-mentioned light
Line is emitted to ground, and is determined as the position where the forward position of above-mentioned base position with the luminous point of above-mentioned light on the ground；Light
The mounting base 44 of reflection unit 40 rotates second angle, is determined as above-mentioned base position with the luminous point of above-mentioned light on the ground
Afterwards along the position at place；It completes above-mentioned base position and is set for industry really.
Embodiment two：As shown in Fig. 2 and Fig. 4, in this example, the center on the length direction of gauging rule 20, if
Support portion 30 is set, one end setting dual-headed laser transmitter 12 of the support portion 30 far from gauging rule 20 is determining 50 liang of railroad track
Side it is soft across or hard crossbeam basis position when, light is emitted to 50 both sides of railroad track by dual-headed laser transmitter 12
Line, others operation is identical as example 1, and which is not described herein again.
Above-described embodiment one can carry out in the working environment at daytime and night, and above-described embodiment two can be on daytime and night
Working environment in carry out.
In above-mentioned construction lofting example, this lofting instrument improves the precision of determining base position, and then improves and apply
Work precision, ensure that construction quality；And it is easy to operate, reduce construction cost；It measures while can guarantee the person and driving
Safety；Can efficiently, fast, accurately determine it is soft across or hard crossbeam basis position.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：In iron
Light launcher is set on rail road, and staff determines the light of above-mentioned line light in preset region by light reflecting device
Road, and light reflecting device is adjusted, so that line light injects light reflecting device from the direction of the reflecting surface perpendicular to light reflecting device；
Rotating light-reflective device changes the incident angle of line light, and reflection angle also changes, in this way, line light is reflected to ground
On face, personnel easy to operation determine railroad track both sides it is soft across or the basis such as hard crossbeam position.Due to the light of line light
Road perpendicular to railroad track longitudinal direction, and along perpendicular to light reflecting device reflecting surface direction inject light reflection dress
It sets.Therefore, the plane that the incident ray for injecting light reflecting device is constituted with the reflection light for projecting light reflecting device is perpendicular to iron
The longitudinal direction in rail road.The position on the basis of railroad track both sides, the company of the position on corresponding basis are determined by the above method
Line is in above-mentioned plane, the longitudinal direction of the line of above-mentioned base position perpendicular to railroad track.That is, using the application
Lofting instrument, by the above method determine railroad track both sides basis position precision it is higher, overcome the prior art
In the relatively low problem of the precision of the position on basis that determines of " draw lead to line " method.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of lofting instrument for railroad track, which is characterized in that the lofting instrument includes：
Light launcher (10) is arranged on railroad track (50), and the light launcher (10) is for sending out line light
(13), the light path where the line light (13) is vertical with the longitudinal direction of the railroad track (50)；
Light reflecting device (40), the line light (13) with the first predetermined angle be mapped on the light reflecting device (40) after and with
Second predetermined angle projects, with the position on the basis of the determination railroad track (50) both sides；
The light reflecting device (40) includes：
Reflecting optics (42), for reflecting the line light (13)；
Mounting base (44) is connect with the reflecting optics (42), and the mounting base (44) is rotationally arranged at light reflecting device
(40) on, under the turning effort of the mounting base (44), reflecting optics (42) rotation is to change the line light (13)
Reflection direction.
2. lofting instrument according to claim 1, which is characterized in that the lofting instrument further includes being arranged in the railroad track
(50) gauging rule (20) on, the light launcher (10) connect with the gauging rule (20), so that the line light
(13) light path where is vertical with the longitudinal direction of the railroad track (50).
3. lofting instrument according to claim 2, which is characterized in that the lofting instrument further includes support portion (30), the branch
One end of support part (30) is connect with the gauging rule (20), the other end and the light launcher of the support portion (30)
(10) it connects.
4. lofting instrument according to claim 1, which is characterized in that the light reflecting device (40) further includes calibration plate
(43), the calibration plate (43) is vertically arranged with the reflecting optics (42), the calibration plate (43) and the reflecting optics
(42) and/or the mounting base (44) connects.
5. lofting instrument according to claim 1, which is characterized in that the light reflecting device (40) further includes being used to support institute
State the bearing (41) of mounting base (44), wherein the bearing (41) is the bearing that bearing height can be adjusted.
6. lofting instrument according to claim 5, which is characterized in that the bearing (41) includes：
First support tube (411)；
Second support tube (412), one end of first support tube (411) are connect with second support tube (412), and described
The other end of one support tube (411) is connect with the mounting base (44), so that first support tube (411) can be described second
It is removable relative to second support tube (412) on the length direction of support tube (412)；
Fixed part (413), for first support tube (411) to be fixed on second support tube (412).
7. lofting instrument according to claim 6, which is characterized in that first support tube (411) is equipped with first through hole,
Second support tube (412) is equipped with the second through-hole, and the fixed part (413) sequentially passes through second through-hole and described the
One through-hole is first support tube (411) to be locked on second support tube (412).
8. lofting instrument according to claim 6, which is characterized in that second support tube (412) is equipped with threaded hole, institute
It is bolt to state fixed part (413), and the bolt supports after the threaded hole with the outside wall surface of first support tube (411)
It connects.
9. lofting instrument according to any one of claim 1 to 3, which is characterized in that the light launcher (10) is
Laser emitter (11).
Priority Applications (1)
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| CN201721614218.1U CN208088034U (en) | 2017-11-27 | 2017-11-27 | Lofting instrument for railroad track |
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| CN201721614218.1U CN208088034U (en) | 2017-11-27 | 2017-11-27 | Lofting instrument for railroad track |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145159A (en) * | 2019-06-25 | 2019-08-20 | 中铁八局集团电务工程有限公司 | A kind of hard crossbeam of the contact net of welded connecting and its construction method |
| CN110455266A (en) * | 2019-09-07 | 2019-11-15 | 中国铁建电气化局集团北方工程有限公司 | A kind of contact network in tunnel speedy lofting instrument |
| CN111256666A (en) * | 2020-02-17 | 2020-06-09 | 广州市城市规划勘测设计研究院 | Lofting tool with scales |
-
2017
- 2017-11-27 CN CN201721614218.1U patent/CN208088034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145159A (en) * | 2019-06-25 | 2019-08-20 | 中铁八局集团电务工程有限公司 | A kind of hard crossbeam of the contact net of welded connecting and its construction method |
| CN110145159B (en) * | 2019-06-25 | 2024-02-27 | 中铁八局集团电务工程有限公司 | Welding connection contact net hard cross beam and construction method thereof |
| CN110455266A (en) * | 2019-09-07 | 2019-11-15 | 中国铁建电气化局集团北方工程有限公司 | A kind of contact network in tunnel speedy lofting instrument |
| CN111256666A (en) * | 2020-02-17 | 2020-06-09 | 广州市城市规划勘测设计研究院 | Lofting tool with scales |
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