CN110616600A - Railway engineering risk management system - Google Patents
Railway engineering risk management system Download PDFInfo
- Publication number
- CN110616600A CN110616600A CN201910549285.7A CN201910549285A CN110616600A CN 110616600 A CN110616600 A CN 110616600A CN 201910549285 A CN201910549285 A CN 201910549285A CN 110616600 A CN110616600 A CN 110616600A
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- China
- Prior art keywords
- polishing
- rod
- pulley
- central axis
- vertical
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a railway engineering risk management system, which comprises a rust removal device, wherein the rust removal device comprises: the polishing and grinding mechanism comprises a steel wire burr roller and two polishing and grinding plates fixedly connected to two ends of the steel wire burr roller, the polishing and grinding mechanisms are connected to railheads of rails in a sliding and clamping mode through the two polishing and grinding plates, the whole rust removal device is connected to the railheads of the rails in a sliding and clamping mode, the polishing and grinding mechanisms are driven to rotate through rotation of the rotating rods, and therefore the two polishing and grinding plates and the steel wire burr roller rub against the side faces and the top faces of the railheads respectively to remove rust.
Description
Technical Field
The invention relates to the field of automobile wading. More particularly, the present invention relates to an automobile wading early warning system.
Background
Along with the rapid development of people's life, the position that the railway occupies in people's life is more and more important, and the rail is an indispensable subassembly in the normal traffic of railway, and after long-time the use of rail, its surface can appear a large amount of rusts, and the rusty increases the friction loss of rail and train, makes the power consumption when the train passes increase, therefore rust cleaning device uses more and more frequently in the rail daily maintenance. But the existing rust removal device still has many defects, wastes time and labor during use, is not convenient enough, has low efficiency of polishing and removing rust of the rail plate, is not comprehensive and fine enough, and greatly influences the maintenance efficiency of the rail.
The rail can slowly warp in the use, and this needs the railway workman to incessantly overhaul in the railway operation to in time discover not hard up bolt, in order to maintain the operation safety of train, and current maintenance mainly relies on the manpower to go on, and very waste time and energy, and inefficiency.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
One object of the present invention is to provide a railway engineering risk management system, which includes a rust removing device including: the polishing and grinding mechanism comprises a steel wire burr roller and two polishing and grinding plates fixedly connected to two ends of the steel wire burr roller, the polishing and grinding mechanisms are connected to railheads of rails in a sliding and clamping mode through the two polishing and grinding plates, the whole rust removal device is connected to the railheads of the rails in a sliding and clamping mode, the polishing and grinding mechanisms are driven to rotate through rotation of the rotating rods, and therefore the two polishing and grinding plates and the steel wire burr roller rub against the side faces and the top faces of the railheads respectively to remove rust. The invention has the advantages of simple structure, high efficiency, simple operation, convenient maintenance and replacement and strong practicability.
To achieve the objects and other advantages in accordance with the present invention, there is provided a railway engineering risk management system including a rust removing device including:
the two ends of the horizontal rod are fixedly connected with a vertical rod positioned below the horizontal rod respectively, and the central axis of the horizontal rod and the central axis of the vertical rod are positioned in the same plane;
the two rotating rods are symmetrically arranged between the vertical rods and are arranged parallel to the horizontal rods, one end of one rotating rod is fixedly connected with the output end of the motor arranged on the outer side wall of the one vertical rod, an external thread is arranged on the outer side wall of any rotating rod, and two nuts matched with the external thread are sleeved on the outer side wall of any rotating rod;
two mechanism of polishing, two mechanism of polishing establish respectively on two dwangs, and arbitrary polishing mechanism is located between two nuts on a dwang, and arbitrary polishing mechanism includes:
the steel wire wool-taker cylinder is of a hollow cylinder structure with openings at two ends;
and the two polishing plates are of annular plate structures and are arranged on two sides of the steel wire bristle roller and are detachably connected with two ends of the steel wire bristle roller respectively, and the central axes of the two polishing plates and the central axis of the steel wire bristle roller are positioned on the same straight line so as to enable the polishing mechanism to be clamped on the rail head of the rail in a sliding manner.
Preferably, railway engineering risk management system, the horizon bar with vertical pole is hollow structure, just the horizon bar with vertical pole intercommunication each other, the lower part symmetry of horizon bar is equipped with two circular openings, and arbitrary circular opening is located vertical pole with polish between the mechanism, the lateral wall of dwang is equipped with one and is located the recess under the circular opening, the perpendicular to is followed to the both sides of the bottom surface of recess the length direction of dwang extends respectively to the lateral wall of dwang, the rust cleaning device still includes strikes the mechanism, strike the mechanism and include:
the sliding cylinder is arranged above the polishing and grinding plate, openings are formed in two ends of the sliding cylinder, one end of the sliding cylinder is vertically and fixedly connected with the horizontal rod and is communicated with the round opening, and a gravity rod is sleeved in the sliding cylinder in a sliding mode;
the first pulley is arranged in the horizontal rod and is positioned right above the circular opening, and the central axis of the first pulley is vertical to a plane formed by the central axis of the horizontal rod and the central axis of the vertical rod;
the second pulley is arranged in the horizontal rod and is positioned right above the vertical rod, and the central axis of the second pulley is parallel to the central axis of the first pulley;
the third pulley is arranged in the vertical rod and is positioned right below the second pulley, and the central axis of the third pulley is parallel to the central axis of the first pulley;
the polishing and grinding device comprises a vertical rod, a polishing and grinding mechanism, a fixed cylinder and a polishing and grinding mechanism, wherein openings are formed in two ends of the fixed cylinder, the fixed cylinder is horizontally arranged between the vertical rod and the polishing and grinding mechanism and is positioned below the polishing and grinding mechanism, one end of the fixed cylinder is fixedly connected and communicated with the vertical rod, a horizontally arranged sliding block with a cylindrical structure is sleeved in the fixed cylinder, one end of the sliding block is fixedly connected with the inner side wall of the vertical rod through a horizontally arranged spring, and the length of the sliding block is greater than the inner diameter of the vertical rod;
one end of the rope is fixedly connected with the upper end of the gravity rod, and the other end of the rope sequentially rounds the first pulley, the second pulley and the third pulley and is fixedly connected with the non-free end of the sliding block; the gravity rod is arranged as follows: when the rotating rod rotates to the position where the groove is located at the uppermost position, the gravity rod moves to the position of the maximum displacement, and the free end of the sliding block is located in the fixed cylinder; when the rotating rod rotates to the position where the groove is located at the lowest position, the gravity rod moves to the position of the minimum displacement, and the free end of the sliding block protrudes out of the fixing cylinder and strikes a rail.
Preferably, in the railway engineering risk management system, a rubber sleeve is arranged at the free end of the sliding block.
Preferably, in the risk management system for railway engineering, cameras are arranged on the lower part of the horizontal rod and the outer side wall of the fixed cylinder.
Preferably, in the railway engineering risk management system, a bag-type dust collector with an air inlet end facing the polishing and grinding mechanism is arranged on the outer side wall of the free end of the fixed cylinder.
Preferably, in the risk management system for railway engineering, the free end of the sliding block is further provided with a temperature detector and a humidity detector.
The invention at least comprises the following beneficial effects:
1. the polishing and grinding mechanism comprises a steel wire licker-in and two polishing and grinding plates fixedly connected to two ends of the steel wire licker-in, so that the polishing and grinding mechanism is slidably clamped on a railhead of a rail through the two polishing and grinding plates, the whole rust removal device is slidably clamped on the railhead of the rail, and the two polishing and grinding plates are detachably connected with two ends of the steel wire licker-in, so that the steel wire licker-in with different lengths can be replaced to adapt to rails with different specifications, and the application range of the rust removal device is widened.
2. The polishing and grinding mechanism is driven to rotate by the rotation of the rotating rod, so that the two polishing and grinding plates and the steel wire burr roller respectively rub against the side surface and the top surface of the railhead to remove rust, and the rust removal is efficient and rapid.
3. The invention is provided with a knocking mechanism, wherein the knocking mechanism comprises a sliding cylinder, a first pulley, a second pulley, a third pulley, a fixed cylinder and a rope, and a gravity rod is driven to move up and down through the rotation of a rotating rod, so that a sliding block connected with a push rod rope of the gravity rod moves in and out of the fixed cylinder, and therefore, the rail is knocked in rhythm, whether bolts of the rail are loosened or not is judged through the change of knocking sound, and the safety of railway operation is maintained.
4. The bag-type dust collector is arranged on the outer side wall of the free end of the fixed cylinder, so that metal oxides after rust removal can be collected conveniently, the metal oxides are prevented from splashing to rails and being attached again, the rust removal efficiency is reduced, and the pollution of the metal oxides to the environment is also avoided.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic sectional view showing the construction of the rust removing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic side view of a swivelling lever according to another embodiment of the present invention;
fig. 3 is a schematic side view of the polishing mechanism according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings so that those skilled in the art can practice the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a railway engineering risk management system, comprising a rust removing device, the rust removing device comprising:
the two ends of the horizontal rod 1 are fixedly connected with a vertical rod 2 positioned below the horizontal rod respectively, and the central axis of the horizontal rod 1 and the central axis of the vertical rod 2 are positioned in the same vertical plane;
the two rotating rods 3 are symmetrically arranged between the vertical rods 2 and are parallel to the horizontal rods 1, namely the central axes of the two rotating rods 3 and the central axes of the horizontal rods 1 and the central axes of the vertical rods 2 are positioned in the same vertical plane, one end of one rotating rod 3 is fixedly connected with the output end of a motor arranged on the outer side wall of the one vertical rod 2, so that the rotating rods 3 are driven by the motor to rotate, an external thread is arranged on the outer side wall of any one rotating rod 3, and two nuts matched with the external thread are sleeved on the outer side wall of any one rotating rod 3;
two polishing mechanisms 4, two polishing mechanisms 4 are established respectively on two dwang 3, and arbitrary polishing mechanism 4 is located between two nuts on a dwang 3 to it is fixed to utilize two nuts polish the position of mechanism 4, and arbitrary polishing mechanism 4 includes:
a steel wool licker-in 401 which is a hollow cylindrical structure with openings at both ends;
the two polishing plates 402 are of annular plate structures, the two polishing plates 401 are arranged on two sides of the steel wire spike roller 401 and are detachably connected with two ends of the steel wire spike roller 401 respectively, so that the steel wire spike roller 401 with different lengths can be replaced to adapt to rails with different specifications, the application range of the polishing mechanism 4 is enlarged, the central axes of the two polishing plates 402 and the central axis of the steel wire spike roller 401 are located on the same straight line, the polishing mechanism 4 is clamped on the rail head of the rail in a sliding mode, namely a pair of opposite side faces of the two polishing plates 402 are in contact with two sides of the rail head of the rail respectively to remove rust through friction, and the steel wire spike roller 401 is in contact with the top face of the rail head of the rail to remove rust through friction.
In the above technical solution, the railway engineering risk management system includes a rust removal device, and the rust removal device includes: the rust removal device comprises a horizontal rod 1, two rotating rods 3 and two polishing mechanisms 4, wherein each polishing mechanism 4 comprises a steel wire burr roller 401 and two polishing plates 402 fixedly connected to two ends of the steel wire burr roller 401, the polishing mechanisms 4 are slidably clamped on a railhead of a rail through the two polishing plates 402, the whole rust removal device is slidably clamped on the railhead of the rail, and the polishing mechanisms 4 are driven to rotate through rotation of the rotating rods 3, so that the two polishing plates 402 and the steel wire burr rollers 401 respectively rub with the side surface and the top surface of the railhead to remove rust. The invention has the advantages of simple structure, high efficiency, simple operation, convenient maintenance and replacement and strong practicability.
In another technical scheme, railway engineering risk management system, horizontal pole 1 with vertical pole 2 is hollow structure, just horizontal pole 1 with vertical pole 2 communicates each other, the lower part symmetry of horizontal pole 1 is equipped with rather than two circular openings of intercommunication, and arbitrary circular opening is located vertical pole 2 with polish between the mechanism 4, the lateral wall of dwang 3 is equipped with one and is located recess 301 under the circular opening, the perpendicular to is followed to the both sides of the bottom surface of recess 301 the length direction of dwang 3 extends to respectively the lateral wall of dwang 3, the rust cleaning device still includes knocking mechanism 5, knocking mechanism 5 includes:
the sliding cylinder 501 is arranged above the polishing plate 402, openings are formed in two ends of the sliding cylinder 501, one end of the sliding cylinder 501 is vertically and fixedly connected with the horizontal rod 1 and is communicated with the round opening, and a gravity rod 502 is slidably sleeved in the sliding cylinder 501;
the first pulley 503 is arranged in the horizontal rod 1 and is positioned right above the circular opening, and the central axis of the first pulley 503 is perpendicular to a plane formed by the central axis of the horizontal rod 1 and the central axis of the vertical rod 2;
the second pulley 504 is arranged in the horizontal rod 1 and positioned right above the vertical rod 2, and the central axis of the second pulley 504 is parallel to the central axis of the first pulley 503;
a third pulley 505 which is arranged in the vertical rod 2 and is positioned right below the second pulley 504, and a central axis of the third pulley 505 is parallel to a central axis of the first pulley 503;
a fixed cylinder 506, the openings of the two ends of which are arranged, wherein the fixed cylinder 506 is horizontally arranged between the vertical rod 2 and the polishing mechanism 4 and is positioned below the polishing mechanism 4 so as to avoid interference with the polishing mechanism 4, one end of the fixed cylinder 506 is fixedly connected and communicated with the vertical rod 2, a horizontally arranged slider 507 with a cylindrical structure is sleeved in the fixed cylinder 506, one end of the slider 507 is fixedly connected with the inner side wall of the vertical rod 2 through a horizontally arranged spring, and the length of the slider 507 is greater than the inner diameter of the vertical rod 2 so as to avoid the slider 507 from entering the vertical rod 2 under the action of the gravity rod 502;
a rope 508, one end of which is fixedly connected to the upper end of the gravity rod 502, and the other end of which is fixedly connected to the non-free end of the slider 507 by passing through the first pulley 503, the second pulley 504, and the third pulley 505 in sequence; the gravity bar 502 is configured to: when the rotating rod 3 rotates to the position that the groove 301 is positioned at the uppermost position, the gravity rod 502 moves to the position of maximum displacement, the free end of the sliding block 507 is positioned in the fixed cylinder 506, and the spring is in a compressed state; when the rotating rod 3 rotates to the lowest position of the groove 301, the gravity rod 502 moves to the position of minimum displacement, the spring pushes the sliding block 507, the free end of the sliding block 507 protrudes out of the fixing barrel 506 and strikes the rail to generate striking sound, and therefore railway maintenance personnel are helped to judge whether the bolt of the rail is loosened.
In another technical solution, in the risk management system for railway engineering, a rubber sleeve is provided at a free end of the sliding block 507 to reduce friction between the sliding block 507 and a rail.
In another technical scheme, in the railway engineering risk management system, cameras are arranged on the lower part of the horizontal rod 1 and the outer side wall of the fixing cylinder 506, so that the condition of a rail can be recorded at any time when the rust removing device runs, and the condition is timely fed back to maintenance personnel for repair.
In another technical scheme, in the railway engineering risk management system, an air inlet end facing the cloth bag dust collector of the polishing and grinding mechanism 4 is arranged on the outer side wall of the free end of the fixed cylinder 506, so that the metal oxide after rust removal is collected, the metal oxide is prevented from splashing to a rail and being attached again, the rust removal efficiency is reduced, and the pollution of the metal oxide to the environment is also avoided.
In another technical scheme, in the railway engineering risk management system, the free end of the sliding block 507 is further provided with a temperature detector and a humidity detector, so that maintenance personnel can know the temperature and the humidity of a rail in time, and the safety of railway movement is improved.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. Railway engineering risk management system, its characterized in that includes rust cleaning device, rust cleaning device includes:
the two ends of the horizontal rod are fixedly connected with a vertical rod positioned below the horizontal rod respectively, and the central axis of the horizontal rod and the central axis of the vertical rod are positioned in the same vertical plane;
the two rotating rods are symmetrically arranged between the vertical rods and are arranged parallel to the horizontal rods, one end of one rotating rod is fixedly connected with the output end of the motor arranged on the outer side wall of the one vertical rod, an external thread is arranged on the outer side wall of any rotating rod, and two nuts matched with the external thread are sleeved on the outer side wall of any rotating rod;
two mechanism of polishing, two mechanism of polishing establish respectively on two dwangs, and arbitrary polishing mechanism is located between two nuts on a dwang, and arbitrary polishing mechanism includes:
the steel wire wool-taker cylinder is of a hollow cylinder structure with openings at two ends;
and the two polishing plates are of annular plate structures and are arranged on two sides of the steel wire bristle roller and are detachably connected with two ends of the steel wire bristle roller respectively, and the central axes of the two polishing plates and the central axis of the steel wire bristle roller are positioned on the same straight line so as to enable the polishing mechanism to be clamped on the rail head of the rail in a sliding manner.
2. The railway engineering risk management system of claim 1, wherein the horizontal bar and the vertical bar are both hollow structures, the horizontal bar and the vertical bar are communicated with each other, the lower portion of the horizontal bar is symmetrically provided with two circular openings, any circular opening is located between the vertical bar and the polishing mechanism, the outer side wall of the rotating bar is provided with a groove located right below the circular opening, two sides of the bottom surface of the groove respectively extend to the outer side wall of the rotating bar along the direction perpendicular to the length direction of the rotating bar, the rust removing device further comprises a knocking mechanism, and the knocking mechanism comprises:
the sliding cylinder is arranged above the polishing and grinding plate, openings are formed in two ends of the sliding cylinder, one end of the sliding cylinder is vertically and fixedly connected with the horizontal rod and is communicated with the round opening, and a gravity rod is sleeved in the sliding cylinder in a sliding mode;
the first pulley is arranged in the horizontal rod and is positioned right above the circular opening, and the central axis of the first pulley is vertical to a plane formed by the central axis of the horizontal rod and the central axis of the vertical rod;
the second pulley is arranged in the horizontal rod and is positioned right above the vertical rod, and the central axis of the second pulley is parallel to the central axis of the first pulley;
the third pulley is arranged in the vertical rod and is positioned right below the second pulley, and the central axis of the third pulley is parallel to the central axis of the first pulley;
the polishing and grinding device comprises a vertical rod, a polishing and grinding mechanism, a fixed cylinder and a polishing and grinding mechanism, wherein openings are formed in two ends of the fixed cylinder, the fixed cylinder is horizontally arranged between the vertical rod and the polishing and grinding mechanism and is positioned below the polishing and grinding mechanism, one end of the fixed cylinder is fixedly connected and communicated with the vertical rod, a horizontally arranged sliding block with a cylindrical structure is sleeved in the fixed cylinder, one end of the sliding block is fixedly connected with the inner side wall of the vertical rod through a horizontally arranged spring, and the length of the sliding block is greater than the inner diameter of the vertical rod;
one end of the rope is fixedly connected with the upper end of the gravity rod, and the other end of the rope sequentially rounds the first pulley, the second pulley and the third pulley and is fixedly connected with the non-free end of the sliding block; the gravity rod is arranged as follows: when the rotating rod rotates to the position where the groove is located at the uppermost position, the gravity rod moves to the position of the maximum displacement, and the free end of the sliding block is located in the fixed cylinder; when the rotating rod rotates to the position where the groove is located at the lowest position, the gravity rod moves to the position of the minimum displacement, and the free end of the sliding block protrudes out of the fixing cylinder and strikes a rail.
3. Railway engineering risk management system according to claim 2, wherein the free end of the slide is provided with a rubber sleeve.
4. The railroad engineering risk management system of claim 2, wherein a camera is provided on both a lower portion of the horizontal bar and an outer sidewall of the stationary barrel.
5. The risk management system for railroad engineering according to claim 2, wherein an air inlet end of the outer sidewall of the free end of the fixed cylinder faces the bag collector of the polishing mechanism.
6. Railway engineering risk management system according to claim 2, wherein the free end of the slide is further provided with a temperature detector and a moisture detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549285.7A CN110616600B (en) | 2019-06-24 | 2019-06-24 | Railway engineering risk management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549285.7A CN110616600B (en) | 2019-06-24 | 2019-06-24 | Railway engineering risk management system |
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| Publication Number | Publication Date |
|---|---|
| CN110616600A true CN110616600A (en) | 2019-12-27 |
| CN110616600B CN110616600B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910549285.7A Active CN110616600B (en) | 2019-06-24 | 2019-06-24 | Railway engineering risk management system |
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| CN204536273U (en) * | 2015-03-30 | 2015-08-05 | 江苏既有建筑工程鉴定咨询有限公司 | The percussion lock of a kind of continous way impact echo |
| RU2614744C1 (en) * | 2015-09-28 | 2017-03-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский государственный университет путей сообщения" (ФГБОУ ВО ИрГУПС) | Method for stability control of continuous welded rail |
| CN205662794U (en) * | 2016-05-30 | 2016-10-26 | 西安铁路局工务机械段 | Synchronous formula rail deruster |
| CN105973560A (en) * | 2016-07-17 | 2016-09-28 | 江南大学 | Automatic flexible impact hammer module |
| CN107299565A (en) * | 2017-06-05 | 2017-10-27 | 武汉理工大学 | Railroad track servicing machine based on composite aircraft collaborative work mode |
| CN107299566A (en) * | 2017-08-18 | 2017-10-27 | 李永伟 | A kind of synchronous mode stain-removing machine for track |
| CN108252168A (en) * | 2018-02-05 | 2018-07-06 | 刘大康 | A kind of rail maintenance system for heavy haul railway |
| CN108867210A (en) * | 2018-07-18 | 2018-11-23 | 陆晓童 | Railroad track rust-removing vehicle |
| CN109594518A (en) * | 2018-12-26 | 2019-04-09 | 李保龙 | A kind of construction of railways track derusting deicing |
| CN109629355A (en) * | 2019-01-11 | 2019-04-16 | 成都中轨轨道设备有限公司 | A kind of self-propelled derusting grinding device of the railway maintenance with dedusting function |
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| CN110616600B (en) | 2020-12-01 |
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