CN112482108A - Dual-purpose sand belt type rail grinding wagon of highway and railway - Google Patents

Dual-purpose sand belt type rail grinding wagon of highway and railway Download PDF

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Publication number
CN112482108A
CN112482108A CN202011434981.2A CN202011434981A CN112482108A CN 112482108 A CN112482108 A CN 112482108A CN 202011434981 A CN202011434981 A CN 202011434981A CN 112482108 A CN112482108 A CN 112482108A
Authority
CN
China
Prior art keywords
rail
frame
grinding
dual
cylinder
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.)
Pending
Application number
CN202011434981.2A
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Chinese (zh)
Inventor
李建勇
赵超越
刘月明
聂蒙
樊文刚
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Beijing Jiaotong University
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Beijing Jiaotong University
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 Beijing Jiaotong University filed Critical Beijing Jiaotong University
Priority to CN202011434981.2A priority Critical patent/CN112482108A/en
Publication of CN112482108A publication Critical patent/CN112482108A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02Working rail or other metal track components on the spot
    • E01B31/12Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
    • E01B31/175Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding using grinding belts
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00Devices for working the railway-superstructure
    • E01B2203/01Devices for working the railway-superstructure with track
    • E01B2203/012Devices for working the railway-superstructure with track present, i.e. in its normal position
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00Devices for working the railway-superstructure
    • E01B2203/14Way of locomotion or support
    • E01B2203/141Way of locomotion or support on the track to be treated

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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 relates to a rail and rail dual-purpose steel rail abrasive belt grinding wagon, which comprises a frame, a rail conversion system, a steel rail grinding system, a carriage, a cab, a front wheel pair and a rear driving wheel pair, wherein the rail conversion system, the steel rail grinding system, the carriage, the cab, the front wheel pair and the rear driving wheel pair are connected to the frame; the rail conversion system is positioned in front of the grinding wagon and comprises a connecting base, a supporting chassis and a butt joint shaft sleeve. The steel rail polishing system is located in a space limited by a carriage and comprises a polishing trolley frame, a frame lifting cylinder, a polishing trolley traction mechanism, a positioning wheel train, a locking device and an abrasive belt polishing unit located in the polishing trolley frame, wherein the frame lifting cylinder drives the polishing trolley frame and a sub-module connected with the polishing trolley frame to lift along the direction of a cylinder body, and the locking cylinder and the bearing plate are driven to move relatively through air pressure. The rail and rail dual-purpose steel rail abrasive belt grinding wagon can flexibly switch the running mode, reduce the self-running time of the grinding wagon and increase the available time of a skylight period.

Description

Dual-purpose sand belt type rail grinding wagon of highway and railway
Technical Field
The invention relates to the technical field of rail grinding, in particular to a highway and railway dual-purpose abrasive belt type rail grinding wagon.
Background
Under the strategy of novel urbanization and preferential development of public transport, the application prospect of modern tramcars and subways in China is generally accepted, and the modern tramcars and subways gradually step towards the stage of diversification and large-scale development. With the increase of the total weight and service time of the steel rail, various diseases such as wavy abrasion, fat edge, stripping and chipping and the like are generated on the surface and inside of the steel rail. If the diseases cannot be cleared in time, the stability and the comfort of train operation can be influenced, serious safety accidents such as derailment of a running train and the like can be caused in serious cases, and high maintenance cost is brought.
Rail grinding is one of the most effective rail maintenance technologies recognized worldwide, and a grinding tool is used for removing a damaged layer material on a rail tread so as to improve the contact relation of a wheel rail, prolong the service life of the rail and ensure the safe operation of a train. The abrasive belt grinding is a newly proposed steel rail maintenance technology, has the characteristics of elastic grinding, cold grinding and the like, has the advantages of high efficiency, high quality, high safety and the like in the steel rail grinding operation process, and is gradually put into steel rail maintenance operation.
Although various large, medium and small-sized devices such as abrasive belts, grinding wheels, milling cutters and the like serving as grinding tools appear in the field of rail grinding, the application of the modern tram line has a plurality of defects, which are specifically shown as follows:
(1) the polishing operation needs to be carried out within the skylight time, and a great deal of available time is wasted when the polishing vehicle goes to and returns to a maintenance base, so that the operation efficiency is greatly reduced, and a great deal of difficulty is increased for construction scheduling;
(2) the groove-shaped rail has a complex section, is asymmetric up and down, left and right, has a large section size, is thin in rail web and rail bottom, has a narrow and deep groove, and can not adapt to the working condition of most of the existing rail grinding wagon;
(3) modern tram circuit is mostly built in city center, and is higher to rail grinding wagon's noise control and environmental protection requirement.
Disclosure of Invention
The invention provides a rail and rail dual-purpose steel rail abrasive belt grinding wagon which has a rail form and a rail conversion function, is light, flexible, low in noise, environment-friendly, high in working efficiency and capable of maintaining a grooved steel rail.
The technical scheme of the invention is as follows:
a rail and rail dual-purpose steel rail abrasive belt grinding vehicle comprises a vehicle frame, and a rail conversion system, a steel rail grinding system, a carriage, a cab, a front wheel pair and a rear driving wheel pair which are connected to the vehicle frame;
the rail conversion system is positioned in front of the grinding wagon and comprises a connecting base, a supporting chassis and a butt shaft sleeve, wherein the connecting base is fixedly connected with the frame, a swing mechanism is fixed on the supporting chassis, the supporting chassis is rotatably connected with the connecting base through the swing mechanism, and the supporting chassis is connected with the butt shaft sleeve; the butt joint shaft sleeve is connected with the butt joint shaft sleeve through a bearing; the telescopic mechanism is connected between the frame and the support chassis and drives the support chassis to swing relative to the connecting base. Specifically speaking, the telescopic mechanism drives the supporting base plate to rotate around the rotating point of the rotating mechanism and the connecting base.
The steel rail polishing system is positioned in a space limited by a carriage and comprises a polishing trolley frame, a frame lifting cylinder, a polishing trolley traction mechanism, a positioning wheel train, a locking device and an abrasive belt polishing unit positioned in the polishing trolley frame, wherein one end of the frame lifting cylinder is hinged with the frame, and the other end of the frame lifting cylinder is fixedly connected with the polishing trolley frame; the grinding trolley frame is fixedly connected with the locking device, the abrasive belt grinding unit, the positioning wheel train and the grinding trolley traction mechanism; one end of the grinding trolley traction mechanism is hinged with the frame, and the other end of the grinding trolley traction mechanism is hinged with the grinding trolley frame. Specifically, the frame lifting cylinder drives the polishing trolley frame and the sub-modules connected with the polishing trolley frame to lift along the direction of the cylinder body of the cylinder, and the locking cylinder and the bearing plate are driven to move relatively through air pressure.
Preferably, the slewing mechanism is a slewing cylinder, one end of the slewing cylinder is hinged to the connecting base, the other end of the slewing cylinder is fixedly connected with the butt shaft sleeve, one side of a cylinder body of the cylinder is fixedly connected with the supporting chassis, and the slewing mechanism and the track wheel pair are driven to move relatively through air pressure.
Preferably, the telescopic mechanism is a lifting cylinder, one end of the lifting cylinder is fixedly connected with the frame, and the other end of the lifting cylinder is hinged with the supporting chassis.
Preferably, the rotating mechanisms are multiple and evenly distributed on the supporting chassis.
Preferably, the telescopic mechanism is a plurality of telescopic mechanisms which are uniformly distributed on the supporting chassis.
Preferably, the locking device comprises a locking cylinder and a bearing plate, the cylinder body of the locking cylinder is fixed at the top of the frame of the polishing trolley, and the bearing plate is fixed at the end part of a piston rod of the locking cylinder.
Preferably, the number of the frame lifting cylinders is 4, and the frame lifting cylinders are distributed at four corners of the trolley frame.
Preferably, the locking cylinders are at least two, distributed on opposite sides of the sanding trolley frame top.
Preferably, the rail dual-purpose steel rail abrasive belt grinding wagon main body frame is provided with a trailer hook, a flashing lamp, a communication antenna, a car lamp and a buzzer.
Preferably, the two sides of the carriage of the rail and rail dual-purpose steel rail abrasive belt grinding wagon are respectively provided with a lifting door, the lifting doors are supported by cylinder rods and can be self-locked to a certain height after being lifted, and a replaceable abrasive belt space is formed.
According to the technical scheme of the invention, the implementation of the invention has the following beneficial effects:
(1) the rail and rail dual-purpose steel rail abrasive belt grinding wagon can flexibly switch the running mode, reduce the self-running time of the grinding wagon and increase the available time of a skylight period;
(2) the rail and rail dual-purpose steel rail abrasive belt grinding vehicle utilizes four multi-degree-of-freedom grinding units to perform high-efficiency operation, can adapt to complex and changeable operation environments of modern tramcar lines, and improves the operation efficiency;
(3) the rail and rail dual-purpose steel rail abrasive belt grinding vehicle adopts a design concept of a front edge, has the operation advantages of light weight, flexibility, high efficiency, environmental protection and the like, realizes the construction operation of a grinding head by the power provided by a battery of the vehicle grinding unit, can be provided with a dust collecting system along with the vehicle, and can effectively absorb dust generated by the grinding operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced, and it should be noted that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the following drawings without any creative effort.
Fig. 1 is a schematic view of a road running mode of a rail dual-purpose steel rail abrasive belt grinding wagon provided by an embodiment of the invention.
Fig. 2 is a schematic diagram of a running mode on a rail of a rail dual-purpose steel rail abrasive belt grinding vehicle provided by the embodiment of the invention.
Fig. 3 is a schematic view of a grinding operation of a rail dual-purpose rail belt sander according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a rail conversion system according to the present invention.
Fig. 5 is a schematic structural view of the polishing trolley of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In order to facilitate understanding of the embodiments of the present invention, the following detailed description is further explained by way of examples with reference to the accompanying drawings.
The invention will be described below with reference to the accompanying drawings, but the invention is not limited thereto.
As shown in the figure, the rail dual-purpose steel rail abrasive belt grinding vehicle comprises a vehicle frame, and a rail conversion system, a steel rail grinding system, a carriage 14, a cab 18, a front wheel pair 21 and a rear driving wheel pair 16 which are connected to the vehicle frame; the rail conversion system is positioned in front of the grinding wagon and comprises a connecting base 1, a supporting chassis 2 and a butt shaft sleeve 4, wherein the connecting base 1 is fixedly connected with the frame, and a swing mechanism is fixed on the supporting chassis 2. In this embodiment, the revolving mechanism is a revolving cylinder 3, one end of the revolving cylinder 3 is hinged to the connection base 1, the other end of the revolving cylinder 3 is fixedly connected to the docking sleeve 4, one side of the cylinder body is fixedly connected to the support chassis 2, the support chassis 2 is rotatably connected to the connection base 1 through the revolving cylinder 3, and the support chassis 2 is connected to the docking sleeve 4; the device also comprises a track wheel pair 5, and the rotary air cylinder 3 and the track wheel pair 5 are driven by air pressure to move relatively. The track wheel pair 5 is connected with the butt shaft sleeve 4 through a bearing; and the telescopic mechanism is connected between the frame and the support chassis 2 and drives the support chassis to swing relative to the connecting base. In this embodiment, the telescopic mechanism is a lifting cylinder 6, one end of the lifting cylinder 6 is fixedly connected with the frame, and the other end of the lifting cylinder 6 is hinged with the support chassis 2. Specifically, the lifting cylinder 6 drives the support chassis 2 to rotate around the rotation point of the rotary cylinder 3 and the connection base 1.
In addition, the rotary cylinder 3 and the lifting cylinder 6 are both provided in plurality, and in the illustrated embodiment, are both provided in two, and are uniformly distributed on the support chassis 2 to ensure the smooth movement of the support chassis.
The steel rail grinding system is positioned in a space limited by a carriage 14 and comprises a grinding trolley frame 13, a frame lifting cylinder 8, a grinding trolley traction mechanism 7, a positioning gear train 9, a locking device and a sand belt grinding unit 12 positioned in the grinding trolley frame 13. In this embodiment, the locking device includes a locking cylinder 10 and a bearing plate 11, the cylinder body of the locking cylinder 10 is fixed to the top of the polishing trolley frame 13, the bearing plate 11 is fixed to the end of the piston rod of the locking cylinder 10, in a locked state, the bearing plate 11 is supported at a corresponding position of the frame, and when unlocking is required, the locking cylinder 10 drives the bearing plate 11 to contract, so that the bearing plate is separated from the frame, and the polishing trolley frame 13 can be lowered to perform polishing operation. One end of the frame lifting cylinder 8 is hinged with the frame, and the other end of the frame lifting cylinder is fixedly connected with the polishing trolley frame 13; the grinding trolley frame 13 is fixedly connected with the locking device, the abrasive belt grinding unit 12, the positioning gear train 9 and the grinding trolley traction mechanism 7; one end of the grinding trolley traction mechanism 7 is hinged with the frame, and the other end is hinged with the grinding trolley frame 13. Specifically, the frame lifting cylinder 8 drives the polishing trolley frame 13 and the sub-modules connected with the polishing trolley frame to lift along the direction of the cylinder body of the cylinder, and the locking cylinder 10 and the bearing plate 11 are driven to move relatively through air pressure.
In addition, it can be seen that the number of the locking cylinders 10 is two and they are distributed on the opposite sides of the top of the sanding carriage frame 13, but those skilled in the art can arrange more locking cylinders according to the actual need, and these cylinders can be uniformly distributed on the opposite sides or on each side of the top of the sanding carriage frame 13.
As can be seen from the figure, the number of the frame lifting cylinders 8 is 4, and the frame lifting cylinders are distributed at four corners of the grinding trolley frame 13. Of course, one skilled in the art can arrange a suitable number of frame lifting cylinders as desired.
The main body frame of the rail dual-purpose steel rail abrasive belt grinding vehicle is provided with accessory facilities such as a trailer hook, a flashing light, a communication antenna, a vehicle light, a buzzer and the like.
As can be seen from the figure, two lifting doors 15 are respectively arranged on two sides of the carriage of the rail dual-purpose steel rail abrasive belt grinding wagon, are supported by cylinder rods and can be self-locked to a certain height after being lifted, so that an abrasive belt replaceable space is formed.
When the rail and rail dual-purpose steel rail abrasive belt grinding wagon runs on a highway, the rear driving wheel pair 16 is used as a driving device, and the grinding trolley frame 13, the rail wheel pair 5 and the system where the rail wheel pair is located are lifted and locked by pneumatic pressure, so that high integration of multiple functions is realized. When the rail mode is switched, the lifting cylinder 6 pushes the support chassis 2 to rotate around a hinged point of the rotary cylinder 3 and the connection base 1, the rotary cylinder pushes the butt-joint shaft sleeve 4 and the rail wheel pair 5 to displace, the cab 18 and the front wheel pair 21 are supported, and at the moment, the rail dual-purpose steel rail abrasive belt grinding vehicle runs through the rear driving wheel pair 16 and is guided by the rail wheel pair 5. When the rail dual-purpose steel rail abrasive belt grinding wagon runs on a rail, the locking cylinder 10 drives the bearing plate 11 to contract, the frame lifting mechanism 8 enables the grinding trolley frame 13 and a mechanism connected with the grinding trolley frame to descend through pneumatic pressure until the positioning wheel train 9 is in contact with the groove-shaped rail, the abrasive belt grinding unit 12 is controlled to carry out steel rail grinding operation, when the grinding wagon runs forwards, the grinding trolley is driven by the grinding trolley traction mechanism 7 to run forwards, and the positioning wheel train 9 plays a role in guiding.
Although the embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the present invention is not limited to the embodiments disclosed, and that various changes, modifications and substitutions may be made therein by those skilled in the art without departing from the scope of the present invention as defined by the appended claims.

Claims (10)

1. A rail and rail dual-purpose steel rail abrasive belt grinding vehicle comprises a vehicle frame, and a rail conversion system, a steel rail grinding system, a carriage, a cab, a front wheel pair and a rear driving wheel pair which are connected to the vehicle frame;
the method is characterized in that:
the rail conversion system is positioned in front of the grinding wagon and comprises a connecting base, a supporting chassis and a butt shaft sleeve, wherein the connecting base is fixedly connected with the frame, a swing mechanism is fixed on the supporting chassis, the supporting chassis is rotatably connected with the connecting base through the swing mechanism, and the supporting chassis is connected with the butt shaft sleeve; the butt joint shaft sleeve is connected with the butt joint shaft sleeve through a bearing; the telescopic mechanism is connected between the frame and the support chassis and drives the support chassis to swing relative to the connecting base;
the steel rail polishing system is positioned in a space limited by a carriage and comprises a polishing trolley frame, a frame lifting cylinder, a polishing trolley traction mechanism, a positioning wheel train, a locking device and an abrasive belt polishing unit positioned in the polishing trolley frame, wherein one end of the frame lifting cylinder is hinged with the frame, and the other end of the frame lifting cylinder is fixedly connected with the polishing trolley frame; the grinding trolley frame is fixedly connected with the locking device, the abrasive belt grinding unit, the positioning wheel train and the grinding trolley traction mechanism; one end of the grinding trolley traction mechanism is hinged with the frame, and the other end of the grinding trolley traction mechanism is hinged with the grinding trolley frame.
2. The dual-purpose rail belt sander as set forth in claim 1, wherein said revolving mechanism is a revolving cylinder, one end of said revolving cylinder is hinged to said connecting base, the other end of said revolving cylinder is fixedly connected to said docking sleeve, one side of the cylinder body is fixedly connected to said supporting chassis, and said revolving mechanism and said pair of track wheels are driven by air pressure to move relatively.
3. The dual-purpose rail sanding vehicle of claim 1, wherein the telescoping mechanism is a lifting cylinder, one end of the lifting cylinder is fixedly connected to the frame, and the other end of the lifting cylinder is hinged to the support chassis.
4. The dual-purpose rail sanding vehicle of claim 1 wherein the plurality of rotary mechanisms are evenly distributed on the support chassis.
5. The dual-purpose rail sanding vehicle of claim 1 wherein the plurality of telescoping mechanisms are evenly distributed on the support chassis.
6. The dual-purpose rail abrasive belt grinding wagon of claim 1, wherein the locking device comprises a locking cylinder and a bearing plate, the locking cylinder is fixed on the top of the grinding trolley frame, and the bearing plate is fixed on the end of a piston rod of the locking cylinder.
7. The dual-purpose rail sanding vehicle of claim 1 wherein the frame lift cylinders are 4 and are distributed at the four corners of the cart frame.
8. The dual rail belt sander as set forth in claim 6, wherein said lock cylinders are at least two and are distributed on opposite sides of the top of the sanding carriage frame.
9. The dual-purpose rail sanding vehicle of claim 1 wherein the dual-purpose rail sanding vehicle body frame carries a trailer hook, a flashing light, a communication antenna, a vehicle light, and a buzzer.
10. The dual-purpose rail abrasive belt grinding vehicle of any one of claims 1 to 9, wherein the dual-purpose rail abrasive belt grinding vehicle has a lifting door on each side of a carriage, the lifting door is supported by a cylinder rod, and the lifting door can be self-locked to a certain height after being lifted, so as to form a replaceable abrasive belt space.
CN202011434981.2A 2020-12-10 2020-12-10 Dual-purpose sand belt type rail grinding wagon of highway and railway Pending CN112482108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011434981.2A CN112482108A (en) 2020-12-10 2020-12-10 Dual-purpose sand belt type rail grinding wagon of highway and railway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011434981.2A CN112482108A (en) 2020-12-10 2020-12-10 Dual-purpose sand belt type rail grinding wagon of highway and railway

Publications (1)

Publication Number Publication Date
CN112482108A true CN112482108A (en) 2021-03-12

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CN202011434981.2A Pending CN112482108A (en) 2020-12-10 2020-12-10 Dual-purpose sand belt type rail grinding wagon of highway and railway

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355961A (en) * 2021-07-15 2021-09-07 湖北中德焊接技术有限公司 Heavy rail of synthesizing is with polisher that has complementary unit
CN114751343A (en) * 2022-04-02 2022-07-15 江苏柳工机械有限公司 Aerial work platform for railway tunnel maintenance
CN115075069A (en) * 2022-06-23 2022-09-20 河北喆速科技有限公司 Grinding device and grinding wagon with same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113355961A (en) * 2021-07-15 2021-09-07 湖北中德焊接技术有限公司 Heavy rail of synthesizing is with polisher that has complementary unit
CN114751343A (en) * 2022-04-02 2022-07-15 江苏柳工机械有限公司 Aerial work platform for railway tunnel maintenance
CN115075069A (en) * 2022-06-23 2022-09-20 河北喆速科技有限公司 Grinding device and grinding wagon with same

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