CN112729199A - Rail spacing automatic measurement recording device for railway maintenance - Google Patents

Rail spacing automatic measurement recording device for railway maintenance Download PDF

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Publication number
CN112729199A
CN112729199A CN202011569161.4A CN202011569161A CN112729199A CN 112729199 A CN112729199 A CN 112729199A CN 202011569161 A CN202011569161 A CN 202011569161A CN 112729199 A CN112729199 A CN 112729199A
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CN
China
Prior art keywords
horizontal
movable frame
rail
plate
recording device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011569161.4A
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Chinese (zh)
Inventor
蒋奇峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Weixue Technology Co ltd
Original Assignee
Wenzhou Weixue Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Weixue Technology Co ltd filed Critical Wenzhou Weixue Technology Co ltd
Priority to CN202011569161.4A priority Critical patent/CN112729199A/en
Publication of CN112729199A publication Critical patent/CN112729199A/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/16Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way

Abstract

The invention discloses an automatic measuring and recording device for rail spacing for railway maintenance, which comprises a mounting seat, a return spring, a material storage box, an inner spring and a marking pen, wherein a rail wheel is mounted at the bottom of the mounting seat, a trigger plate is fixedly welded on the inner side of a vertical part of the mounting seat, the bottom of a horizontal rod is fixedly welded with the top end of a vertical plate, the vertical plate penetrates through a track window, the track window is arranged at the horizontal part of the mounting seat, the marking pen is mounted at the bottom of the vertical plate in a penetrating manner, the marking pen is attached to the top of an extrusion bolt, and the extrusion bolt is mounted at the bottom end of the vertical plate. This railway is maintained and is used rail interval automatic measure recorder, with neotype structural design for this device can be to the position that appears the rail interval anomaly because of the rail warp and damage mark at once carrying out the rail interval measuring in-process, and the measurement work need not interrupted in the marking process, can be continuous stable carry out continuous detection and mark to the rail of longer length.

Description

Rail spacing automatic measurement recording device for railway maintenance
Technical Field
The invention relates to the technical field of railway maintenance equipment, in particular to an automatic measuring and recording device for railway maintenance track spacing.
Background
The railway maintenance refers to the process of maintenance and repair of railway lines and railway buildings by railway maintenance personnel, the railway line maintenance is the maintenance and repair operation of roadbeds, rails and the like, the railway building maintenance is the maintenance and repair operation of railway bridges, tunnels, house buildings and the like, wherein the rail maintenance is the most important maintenance process of the railway maintenance, the deformation and the damage of the rails can be detected in time, the maintenance and the replacement are carried out, the rails are always kept in a good state, and the normal operation of trains is ensured.
As railway maintenance personnel maintain the railway continuously, the following problems are found in the actual process of repairing the rails:
at present all measure two orbital intervals through laser rangefinder to confirm whether there is the position of deformation or damage in the rail, but do not set up corresponding mark recorder, lead to when detecting a position of deformation or damage, the device must stop, mark through the manual work, after the mark, restart device measures, and the work of measuring and marking that can't be continuous, work efficiency is low, and inspection speed is slow.
Therefore, it is necessary to design an automatic measuring and recording device for rail distance for railway maintenance.
Disclosure of Invention
The invention aims to provide an automatic rail spacing measuring and recording device for railway maintenance, which aims to solve the problems that the conventional laser distance measuring device in the background art is not provided with a corresponding mark recording device, cannot continuously perform measuring and marking work, has low working efficiency and is slow in inspection speed.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic measuring and recording device for rail space for railway maintenance comprises a mounting seat, a reset spring, a storage box, an inner spring and a marking pen, wherein a rail wheel is installed at the bottom of the mounting seat, a stabilizing window is separately arranged at the horizontal part of the mounting seat, a movable frame is installed on the inner side of the stabilizing window in a penetrating manner, the reset spring is welded and fixed on the side edge of a vertical part of the movable frame, the tail end of the reset spring is welded and fixed on the inner wall of the stabilizing window, a first side mounting plate is welded and fixed on one side of the bottom of the movable frame, a second side mounting plate is welded and fixed on the other side of the bottom of the movable frame, a contact pulley is installed at the tail end of the first side mounting plate, a discharge hole is formed at the tail end of the second side mounting plate, the outer side of the tail end of the second side mounting plate is attached to the inner wall of a, the utility model discloses a fixing device for a bolt, including mount pad, movable support, mount pad vertical part, side opening, horizontal roof, side opening inner wall, horizontal pole and vertical plate top welded fastening, and the perpendicular board runs through the orbit window to the orbit window is seted up at the mount pad horizontal part, and the bracing piece top is installed terminal surface under the horizontal roof, and the side opening has been seted up to the horizontal roof avris, the side opening inner wall laminates with horizontal pole one end, and is fixed with the inner spring between horizontal pole and the side opening to the side pulley is installed to the horizontal pole other end, and the inboard welded fastening of mount pad vertical part has the trigger plate, horizontal pole bottom and vertical plate top welded fastening, and the vertical plate runs through the orbit window to the orbit window is seted up at the mount pad horizontal part.
Preferably, the front view shape of the movable frame is T-shaped, the movable frame is in sliding connection with the stabilizing window, the stabilizing window and the movable frame are symmetrically distributed about the mounting seat, and the movable frame is symmetrically mounted on two sides of the vertical part of the movable frame.
Preferably, second side mounting panel and spacing groove are sliding connection, and 2 relief holes have been seted up to second side mounting panel end to the relief hole is symmetrical about the feed opening and is distributed.
Preferably, the support rods respectively form a rotating mechanism with the movable frame and the horizontal top plate through cylindrical shafts arranged at the bottom end and the top end of the support rods, and the support rods are symmetrically distributed relative to the horizontal top plate.
Preferably, the horizontal rod is connected with the side hole in a sliding mode, the horizontal rod and the side hole form an elastic telescopic structure through an inner spring, and the horizontal rod is symmetrically distributed relative to the horizontal top plate.
Preferably, the trigger plate is vertically and symmetrically distributed about the side pulley, and the side surface of the trigger plate close to the side pulley is provided with a curved surface.
Preferably, the vertical plate is connected with the track window in a sliding mode, and the bottom of the vertical plate is provided with a hole which is connected with the marking pen in a sliding mode.
Preferably, the center of the marking pen, the center of the contact pulley and the center of the discharge hole are all in the same vertical plane, the center of the marking pen and the center of the contact pulley are in the same horizontal plane, and the marking pen and the extrusion bolt are vertically distributed.
Compared with the prior art, the invention has the beneficial effects that: the automatic measuring and recording device for the rail spacing for railway maintenance adopts a novel structural design, so that the device can immediately mark the position with abnormal rail spacing due to deformation and damage of the rail in the process of measuring the rail spacing, does not need to interrupt the measuring work in the marking process, and can continuously and stably detect and mark the rail with longer length;
1. the distance measuring structure consisting of the stabilizing window, the movable frame, the reset spring, the first side mounting plate, the contact pulley, the second side mounting plate, the supporting rod, the horizontal top plate, the side hole, the horizontal rod, the inner spring, the side pulley and the trigger plate can be triggered to move at the deformed and damaged part of the rail to drive the 2 groups of connected marking structures to work simultaneously, and the deformed and damaged part of the rail is immediately marked;
2. the marking structure that relief hole, spacing groove, storage case, unloading hole, vertical plate, orbit window and marker are constituteed can be triggered simultaneously by the range finding structure, carries out striking mark from 2 different positions to the deformation of rail and damaged department, and does not influence the normal work of range finding structure.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front sectional view of the mounting base and the horizontal top plate of the present invention;
FIG. 3 is a side sectional view of the stabilizing window and horizontal roof of the present invention;
FIG. 4 is a schematic top sectional view of the stabilizing window and the adjustable shelf of the present invention;
FIG. 5 is a schematic front sectional view of the second side mounting plate and the storage bin of the present invention;
FIG. 6 is a schematic top sectional view of the second side mounting plate and the limiting groove of the present invention.
In the figure: 1. a mounting seat; 101. a rail wheel; 2. a stability window; 3. a movable frame; 4. a return spring; 5. a first side mounting plate; 501. a contact pulley; 6. a second side mounting plate; 601. a discharge hole; 7. a limiting groove; 8. a material storage box; 9. a blanking hole; 10. a support bar; 11. a horizontal top plate; 12. a side hole; 13. a horizontal bar; 14. an inner spring; 15. a side pulley; 16. a trigger plate; 17. a vertical plate; 18. a track window; 19. a marking pen; 20. the bolt is pressed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic measuring and recording device for rail spacing for railway maintenance comprises a mounting seat 1, a rail wheel 101, a stabilizing window 2, a movable frame 3, a reset spring 4, a first side mounting plate 5, a contact pulley 501, a second side mounting plate 6, a discharge hole 601, a limiting groove 7, a storage box 8, a discharge hole 9, a support rod 10, a horizontal top plate 11, a side hole 12, a horizontal rod 13, an inner spring 14, a side sliding wheel 15, a trigger plate 16, a vertical plate 17, a track window 18, a marking pen 19 and an extrusion bolt 20, wherein the rail wheel 101 is mounted at the bottom of the mounting seat 1, the stabilizing window 2 is arranged at the horizontal part of the mounting seat 1, the movable frame 3 penetrates through the inner side of the stabilizing window 2, the reset spring 4 is fixedly welded at the side of the vertical part of the movable frame 3, the tail end of the reset spring 4 is fixedly welded on the inner wall of the stabilizing window 2, the first side mounting, a second side mounting plate 6 is fixedly welded on the other side of the bottom of the movable frame 3, a contact pulley 501 is arranged at the tail end of the first side mounting plate 5, a discharge hole 601 is formed at the tail end of the second side mounting plate 6, the outer side of the tail end of the second side mounting plate 6 is attached to the inner wall of a limiting groove 7, the limiting groove 7 is formed at the bottom of the material storage box 8, the top end of the material storage box 8 is fixedly welded at the bottom of the mounting seat 1, blanking holes 9 are formed in the top and the bottom of the limiting groove 7, the top of the movable frame 3 is connected with the bottom of a supporting rod 10, the top of the supporting rod 10 is mounted at the lower end face of a horizontal top plate 11, a side hole 12 is formed in the side edge of the horizontal top plate 11, the inner wall of the side hole 12 is attached to one end of a horizontal rod 13, an, the inboard welded fastening of 1 vertical part of mount pad has trigger plate 16, and horizontal pole 13 bottom and vertical plate 17 top welded fastening, and vertical plate 17 runs through orbit window 18 to orbit window 18 is seted up in 1 horizontal part of mount pad, and vertical plate 17 bottom runs through and is installed marker 19, and marker 19 and 20 top laminating of extrusion bolt, and 20 screw threads of extrusion bolt are installed in vertical plate 17 bottom.
The front view shape of the movable frame 3 of this example is "T" style of calligraphy, and the movable frame 3 is sliding connection with the stabilizing window 2, and stabilizing window 2 and movable frame 3 all are about mount pad 1 symmetric distribution, and the movable frame 3 is installed to the vertical part bilateral symmetry of movable frame 3 simultaneously, and above-mentioned structural design makes movable frame 3 when being triggered, can carry out the displacement on the stable horizontal direction along stabilizing window 2, and makes movable frame 3 can drive the structure of linking and carry out stable motion, is the structure basis that the device operates steadily.
Second side mounting panel 6 is sliding connection with spacing groove 7, and 2 relief hole 601 have been seted up at second side mounting panel 6 end, and relief hole 601 is about blanking hole 9 symmetric distribution, foretell structural design makes second side mounting panel 6 can take relief hole 601 to carry out stable sliding displacement at spacing groove 7, and guarantees that second side mounting panel 6 is when being triggered, no matter be left or right motion, always has 1 relief hole 601 to align with blanking hole 9, the whereabouts of the mark of being convenient for.
The support rod 10 forms a rotating mechanism with the movable frame 3 and the horizontal top plate 11 through the columnar shafts arranged at the bottom end and the top end of the support rod respectively, the support rod 10 is symmetrically distributed relative to the horizontal top plate 11, and the structural design enables the movable frame 3 to rotate through pushing and pulling the support rod 10 to drive the horizontal top plate 11 to perform stable displacement motion in the vertical direction.
The horizontal rod 13 is connected with the side hole 12 in a sliding manner, the horizontal rod 13 and the side hole 12 form an elastic telescopic structure through the inner spring 14, and the horizontal rod 13 is symmetrically distributed about the horizontal top plate 11, so that the horizontal rod 13 can move in the vertical direction along with the horizontal top plate 11, and can slide relative to the side hole 12 when being acted by force in the horizontal direction, and the horizontal rod 13 can move in the horizontal direction smoothly.
The trigger plates 16 are vertically and symmetrically distributed about the side pulleys 15, and the side surfaces of the trigger plates 16 close to the side pulleys 15 are provided with curved surfaces, so that the side pulleys 15 can be pushed by the curved surfaces of the trigger plates 16 to stably move in the horizontal direction when moving up and down.
Vertical plate 17 and orbit window 18 are sliding connection, and vertical plate 17 bottom is seted up the hole and is sliding connection with marker 19, and foretell structural design makes vertical plate 17 can take marker 19 to carry out stable horizontal sliding displacement along orbit window 18, and the marker 19 of being convenient for marks deformation and damage position, and the position control of marker 19 also is convenient for, guarantees that marker 19 can carry out normal marking when following vertical plate 17 and moving.
The center of the marking pen 19, the center of the contact pulley 501 and the center of the discharge hole 601 are all located on the same vertical plane, the center of the marking pen 19 and the center of the contact pulley 501 are located on the same horizontal plane, the marking pen 19 and the extrusion bolt 20 are vertically distributed, and the structural design enables the marking positions of the marks leaked from the marking pen 19 and the discharge hole 601 to be more accurate, so that the subsequent deformation and damage position positioning and the rail maintenance and replacement operation can be conveniently carried out.
The working principle is as follows: when the device is used, the whole device is firstly placed on a rail to be overhauled as shown in figure 2, in an initial state, the reset spring 4 and the inner spring 14 are both in a compressed state, the contact pulley 501 in figure 2 is tightly attached to the inner side of the vertical part of the rail, then the extrusion bolt 20 is unscrewed, the extrusion bolt 20 does not extrude the marking pen 19 to be fixed in the hole at the bottom of the vertical plate 17 any more, the marking pen 19 is pushed to slide in the hole at the bottom of the vertical plate 17 until the pen point of the marking pen 19 is close to the outer side of the vertical part of the rail but is not attached, then the mounting seat 1 is pushed by manual pushing or an existing rail maintenance vehicle, and the mounting seat 1 moves on the rail at a constant speed;
when the contact pulley 501 passes through the unevenness of the inner surface of the rail caused by deformation or damage, because the reset springs 4 are arranged on the left and right sides of the movable frame 3, under the elastic force action of the reset springs 4, the movable frame 3 slides leftwards or rightwards in the stabilizing window 2, the contact pulley 501 moves leftwards and rightwards along with the movable frame 3, so that the contact pulley 501 is always attached to the inner side of the rail, when the movable frame 3 moves leftwards and rightwards, the second side mounting plate 6 and the discharge hole 601 in the figure 5 and the figure 6 are driven to slide leftwards or rightwards in the limiting groove 7, no matter whether sliding leftwards or rightwards, 1 of the 2 discharge holes 601 can be aligned with the discharge hole 9, the discharge hole 9 and the discharge hole 601 penetrate through, the lime powder stored in the storage box 8 immediately falls through the discharge hole 9 and the discharge hole 601, and falls on a sleeper or a roadbed below, the white lime powder is very obvious and can be easily found, when the contact pulley 501 is separated from the deformed or damaged part, the movable frame 3 drives the second side mounting plate 6 and the discharge hole 601 to reset, the discharge hole 601 is staggered with the blanking hole 9, and the white lime powder does not fall;
when the movable frame 3 moves horizontally, the movable frame 3 in fig. 2 pulls the horizontal top plate 11 to move up or down through the support rod 10, the horizontal top plate 11 drives the horizontal rod 13 to move up or down synchronously, the side sliding wheel 15 moves up or down synchronously along with the horizontal rod 13, the side sliding wheel 15 contacts with the trigger plates 16 which are distributed symmetrically up and down respectively in the process of moving up or down, the side sliding wheel is extruded by the curved surface of the trigger plate 16, the horizontal rod 13 extrudes the inner spring 14 and slides into the side hole 12, the horizontal rod 13 drives the vertical plate 17 and the marking pen 19 to slide along the track window 18 in the horizontal sliding process, the marking pen 19 contacts with the outer side of the vertical part of the rail to mark clearly from the outer side of the rail, when the contact pulley 501 is separated from the deformed or damaged part, the movable frame 3 is reset to be static, the side pulley 15 is separated from the trigger plate 16, and the marking pen 19 is separated from the rail to be static;
in summary, when the lime powder and the marking pen 19 inside the storage box 8 detect the deformation or damage of the rail, the deformation or damage can be marked from different positions of the rail, so that the rail distance can be continuously detected and marked clearly, and the working principle of the automatic rail distance measuring and recording device for railway maintenance is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a railway is maintained with rail interval automatic measure recorder, includes mount pad (1), reset spring (4), storage case (8), inner spring (14) and marker pen (19), its characterized in that: the track wheel (101) is installed at the bottom of the mounting seat (1), the horizontal part of the mounting seat (1) is provided with the stabilizing window (2), the inner side of the stabilizing window (2) is provided with the movable frame (3) in a penetrating way, the vertical part side of the movable frame (3) is fixedly welded with the reset spring (4), the tail end of the reset spring (4) is fixedly welded on the inner wall of the stabilizing window (2), one side of the bottom of the movable frame (3) is fixedly welded with the first side mounting plate (5), the other side of the bottom of the movable frame (3) is fixedly welded with the second side mounting plate (6), the tail end of the first side mounting plate (5) is provided with the contact pulley (501), the tail end of the second side mounting plate (6) is provided with the material storage hole (601), the outer side of the tail end of the second side mounting plate (6) is attached to the inner wall, and the storage case (8) top welded fastening is in mount pad (1) bottom, and unloading hole (9) have all been seted up to spacing groove (7) top and bottom simultaneously, adjustable shelf (3) top and bracing piece (10) bottom interconnect, and bracing piece (10) top install terminal surface under horizontal roof (11), and horizontal roof (11) avris has seted up side opening (12), side opening (12) inner wall and the laminating of horizontal pole (13) one end, and be fixed with inner spring (14) between horizontal pole (13) and side opening (12), and horizontal pole (13) other end installs side pulley (15), and side pulley (15) laminate with mount pad (1) vertical part inboard simultaneously, mount pad (1) vertical part inboard welded fastening has trigger plate (16), horizontal pole (13) bottom and vertical plate (17) top welded fastening, and vertical plate (17) run through orbit window (18), and the track window (18) is arranged at the horizontal part of the mounting seat (1), the bottom of the vertical plate (17) is provided with a marking pen (19) in a penetrating way, the marking pen (19) is attached to the top of the extrusion bolt (20), and the extrusion bolt (20) is arranged at the bottom end of the vertical plate (17) in a threaded way.
2. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the orthographic view shape of the movable frame (3) is T-shaped, the movable frame (3) is in sliding connection with the stabilizing window (2), the stabilizing window (2) and the movable frame (3) are symmetrically distributed about the mounting seat (1), and the movable frame (3) is symmetrically mounted on two sides of the vertical part of the movable frame (3).
3. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: second side mounting panel (6) are sliding connection with spacing groove (7), and 2 relief hole (601) have been seted up to second side mounting panel (6) end to relief hole (601) are about blanking hole (9) symmetric distribution.
4. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the supporting rods (10) respectively form a rotating mechanism with the movable frame (3) and the horizontal top plate (11) through cylindrical shafts arranged at the bottom end and the top end of the supporting rods, and the supporting rods (10) are symmetrically distributed relative to the horizontal top plate (11).
5. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the horizontal rod (13) is connected with the side hole (12) in a sliding mode, the horizontal rod (13) and the side hole (12) form an elastic telescopic structure through an inner spring (14), and the horizontal rod (13) is symmetrically distributed relative to the horizontal top plate (11).
6. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the trigger plates (16) are vertically and symmetrically distributed relative to the side pulleys (15), and the side surfaces, close to the side pulleys (15), of the trigger plates (16) are set to be curved surfaces.
7. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the vertical plate (17) is in sliding connection with the track window (18), and the bottom of the vertical plate (17) is provided with a hole in sliding connection with the marking pen (19).
8. The automatic rail spacing measuring and recording device for railway maintenance according to claim 1, wherein: the center of the marking pen (19), the center of the contact pulley (501) and the center of the discharge hole (601) are all located on the same vertical plane, the center of the marking pen (19) and the center of the contact pulley (501) are located on the same horizontal plane, and the marking pen (19) and the extrusion bolt (20) are vertically distributed.
CN202011569161.4A 2020-12-26 2020-12-26 Rail spacing automatic measurement recording device for railway maintenance Withdrawn CN112729199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011569161.4A CN112729199A (en) 2020-12-26 2020-12-26 Rail spacing automatic measurement recording device for railway maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011569161.4A CN112729199A (en) 2020-12-26 2020-12-26 Rail spacing automatic measurement recording device for railway maintenance

Publications (1)

Publication Number Publication Date
CN112729199A true CN112729199A (en) 2021-04-30

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CN202011569161.4A Withdrawn CN112729199A (en) 2020-12-26 2020-12-26 Rail spacing automatic measurement recording device for railway maintenance

Country Status (1)

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CN (1) CN112729199A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113513963A (en) * 2021-07-19 2021-10-19 郑州爱普锐科技有限公司 Urban rail transit signal equipment measuring device
CN113983982A (en) * 2021-10-23 2022-01-28 北京磁浮有限公司 Rail transit dimension detection data acquisition device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113513963A (en) * 2021-07-19 2021-10-19 郑州爱普锐科技有限公司 Urban rail transit signal equipment measuring device
CN113513963B (en) * 2021-07-19 2024-04-23 郑州爱普锐科技有限公司 Urban rail transit signal equipment measuring device
CN113983982A (en) * 2021-10-23 2022-01-28 北京磁浮有限公司 Rail transit dimension detection data acquisition device

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