CN109677431A - A kind of automation inspection device of rail traffic - Google Patents
A kind of automation inspection device of rail traffic Download PDFInfo
- Publication number
- CN109677431A CN109677431A CN201910147216.3A CN201910147216A CN109677431A CN 109677431 A CN109677431 A CN 109677431A CN 201910147216 A CN201910147216 A CN 201910147216A CN 109677431 A CN109677431 A CN 109677431A
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- China
- Prior art keywords
- frame
- bar shaped
- support
- support frame
- inspection device
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/10—Railway inspection trolleys hand or foot propelled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway 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
- B61K9/08—Measuring installations for surveying permanent way
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway 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
- B61K9/08—Measuring installations for surveying permanent way
- B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of automation inspection devices of rail traffic, including bar shaped support frame, bar shaped support frame lower surface is equipped with automatic detecting mechanism, and bar shaped support frame upper surface is equipped with pushing mechanism, support mobile mechanism is equipped at the both ends of bar shaped support frame lower surface.The invention has the advantages that it is a kind of convenient for being adjusted according to width, it is convenient for night observation, inner case is shown well, automatic to make an inspection tour convenient dress.
Description
Technical field
The present invention relates to inspection field, the automation inspection device of especially a kind of rail traffic.
Background technique
Inspection is exactly to check during tour.
Track be for give train provide operation, in order to guarantee the safe operation of train, rail is just needed to carry out through
Normal inspection, traditional inspection or tour can only manually hold torch at night and carry out strafing observation, and the effect of observation is bad,
It is easy to omit, is also that can only carry out inspection on daytime for rail interiors situation, night is inconvenient, and traditional detection device function
Can be relatively simple, therefore in order to solve these problems, it is necessary for designing a kind of inspection device of automation.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of automation inspection device of rail traffic.
Realize above-mentioned purpose the technical scheme is that, a kind of automation inspection device of rail traffic, including item
Shape support frame, bar shaped support frame lower surface are equipped with automatic detecting mechanism, and bar shaped support frame upper surface is equipped with promotion machine
Structure is equipped with support mobile mechanism at the both ends of bar shaped support frame lower surface, and the automatic detecting mechanism is mainly by being sleeved on item
A pair of of bar shaped braced frame on shape support frame at both ends, a pair of of the bar shaped for being inlaid in each bar shaped braced frame lower surface are fixed
Block, the fixed frame being arranged on each pair of support spring lower end surface, is set the support spring that each strip-shaped fixed block lower surface is arranged in
Set in each fixed frame magnet block, be fixedly connected on bar shaped supporting framing front end face several folding support frames, setting
Lamp holder on each folding support frame lower end surface, is hingedly connected at bar shaped support frame at the headlamp that lamp holder lower surface is arranged in
Lower surface and a pair of of the swinging support arm being located on the inside of a pair of of bar shaped braced frame, the water being arranged between a pair of of swinging support arm
Flat turn move round bar, be sleeved on horizontally rotate the cleaning brush of the rolling on round bar, the hanger bracket being sleeved in several folding support frames,
The laser scanner being arranged on hanger bracket end face, the liquid crystal for being arranged in above bar shaped support frame and being connected with laser scanner
Display screen composition, the output end of the laser scanner are attached by the signal input part of conducting wire and liquid crystal display.
The pushing mechanism is mainly by being arranged in the folding shape pushing frame of bar shaped support frame upper surface, being arranged in folding shape pushing frame
Upper end side surface and the bearing frame being connected with liquid crystal display are fixedly connected on bar shaped support frame upper surface and push with folding shape
The corresponding doubling shape of frame intercepts frame composition.
The support mobile mechanism is mainly by being arranged in bar shaped support frame lower surface and being located on the outside of bar shaped braced frame
A pair of vertical support post, the level frame being inlaid on each vertical support post side surface, processing table on each level frame
The tapped through hole in face, the vertical studdle being arranged in each tapped through hole are sleeved on each vertical studdle lower end surface
On support steering wheel group at.
The folding shape pushing frame front end face is embedded with several warning flashing lights.
The rolling cleaning brush is the long hairbrush of hard.
Each bar shaped braced frame upper surface is equipped with the adjustment fixing glue between bar shaped support frame upper surface.
Each bar shaped braced frame front end face is embedded in suspension mounting rack, is equipped in each suspension mounting rack
Slight crack somascope, the slight crack somascope are electrically connected by data line and liquid crystal display.
Non-slip mat is set on each vertical support post lower end surface.
Each swinging support arm is the swinging support arm of center binodal.
Battery, the laser scanner, liquid crystal display, warning flashing light and photograph are embedded with inside the bar shaped support frame
The power connection end of bright lamp passes through conducting wire and the output end of battery is electrically connected.
Using the automation inspection device of the rail traffic of technical solution of the present invention production, one kind is convenient for according to width
It is adjusted, is convenient for night observation, inner case is shown well, automatic to make an inspection tour convenient dress.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the automation inspection device of rail traffic of the present invention；
Fig. 2 is a kind of top view of the automation inspection device of rail traffic of the present invention；
Fig. 3 is a kind of side view of the automation inspection device of rail traffic of the present invention；
Fig. 4 is that bar shaped braced frame, bar shaped are fixed in a kind of automation inspection device of rail traffic of the present invention
The side view that block, support spring, fixed frame and magnet block match；
In figure, 1, bar shaped support frame；2, bar shaped braced frame；3, strip-shaped fixed block；4, support spring；5, fixed frame；6,
Magnet block；7, folding support frame；8, lamp holder；9, headlamp；10, swinging support arm；11, horizontally rotate round bar；12, it rolls and cleans
Brush；13, hanger bracket；14, laser scanner；15, liquid crystal display；16, shape pushing frame is rolled over；17, bearing frame；18, folding shape intercepts
Frame；19, vertical support post；20, level frame；21, vertical studdle；22, universal wheel is supported；23, flashing light is warned；24, it adjusts
Whole fixing glue；25, mounting rack is hung；26, slight crack somascope；27, non-slip mat；28, battery.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in Figs 1-4, a kind of automation of rail traffic is patrolled
Equipment, including bar shaped support frame 1 are examined, 1 lower surface of bar shaped support frame is equipped with automatic detecting mechanism, the bar shaped support frame 1
Upper surface is equipped with pushing mechanism, and support mobile mechanism, the automatic detecting machine are equipped at the 1 lower surface both ends of bar shaped support frame
Structure is mainly by being sleeved on a pair of of bar shaped braced frame 2 at both ends on bar shaped support frame 1, being inlaid in each bar shaped braced frame 2
A pair of of strip-shaped fixed block 3 of lower surface, is arranged in each pair of support the support spring 4 that each 3 lower surface of strip-shaped fixed block is arranged in
Fixed frame 5 on 4 lower end surface of spring, is fixedly connected on 1 front end of bar shaped support frame at the magnet block 6 being arranged in each fixed frame 5
Several folding support frames 7 on face, are arranged in 8 following table of lamp holder the lamp holder 8 being arranged on each 7 lower end surface of folding support frame
The headlamp 9 in face is hingedly connected at 1 lower surface of bar shaped support frame and is located at a pair of the swinging of a pair of of 2 inside of bar shaped braced frame
Horizontally rotating round bar 11, being sleeved on and horizontally rotate on round bar 11 between a pair of of swinging support arm 10 is arranged in support arm 10
Cleaning brush 12, the hanger bracket 13 being sleeved in several folding support frames 7, the laser being arranged on 13 end face of hanger bracket is rolled to sweep
Instrument 14 is retouched, 1 top of bar shaped support frame is set and the liquid crystal display 15 being connected with laser scanner 14 forms, the laser
The output end of scanner 14 is attached by the signal input part of conducting wire and liquid crystal display 15；The pushing mechanism mainly by
The folding shape pushing frame 16 of 1 upper surface of bar shaped support frame is set, 16 upper end side surface of shape pushing frame and and liquid crystal are being rolled in setting
Bearing frame 17 that display screen 15 is connected, be fixedly connected on 1 upper surface of bar shaped support frame and with folding shape pushing frame 16 corresponding one
Doubling shape intercepts frame 18 and forms；The support mobile mechanism is mainly by being arranged in 1 lower surface of bar shaped support frame and being located at bar shaped branch
The vertical support post 19 of a pair in 2 outside of support frame frame, adds the level frame 20 being inlaid on each 19 side surface of vertical support post
Work each 20 upper surface of level frame tapped through hole, be arranged in each tapped through hole vertical studdle 21, be sleeved on
Support universal wheel 22 on each vertical 21 lower end surface of studdle forms；16 front end face of folding shape pushing frame is embedded with several
A warning flashing light 23；The rolling cleaning brush 12 is the long hairbrush of hard；Each 2 upper surface of bar shaped braced frame be equipped with
Adjustment fixing glue 24 between 1 upper surface of bar shaped support frame；Each 2 front end face of bar shaped braced frame is embedded in suspension installation
Frame 25, slight crack somascope 26 is equipped in each suspension mounting rack 25, and the slight crack somascope 26 passes through data line and liquid
Crystal display screen 15 is electrically connected；Non-slip mat 27 is set on each vertical 19 lower end surface of support post；Each pendulum
Dynamic support arm 10 is the swinging support arm 10 of center binodal；Battery 28 is embedded with inside the bar shaped support frame 1, it is described to swash
Photoscanner 14, liquid crystal display 15, warning flashing light 23 and headlamp 9 power connection end pass through the output of conducting wire Yu battery 28
End is electrically connected.
The characteristics of the present embodiment is when using this device, this device to be placed on rail, one in this device
Fast to magnet 6 convenient for adsorbing rail surface, convenient for being moved under promotion, so that movement was fixed well, wherein each
Magnet block 6 is attached with corresponding support spring 4 by fixed frame 5, support spring 4 convenient for squeeze support it is appropriate into
Row resilient support appropriate, protects this device, wherein each support spring 4 passes through strip-shaped fixed block 3 and corresponding item
Shape braced frame 2 is attached, wherein each bar shaped braced frame 2 can be slided on bar shaped support frame 1, is convenient for basis
The width of sliding rail carries out mobile adjustment appropriate, wherein carrying out in moving process in this device, drives and is located at bar shaped support frame 1
Several folding support frames 7 on inner surface are moved, so that being located at the headlamp 9 on each 7 lower end of folding support frame
It is opened, the position being moved through effectively is illuminated, wherein each headlamp 9 is in corresponding lamp holder 8
It is opened, in carrying out moving process, is driven by a pair of of swinging support arm 10 and roll cleaning brush 12 in corresponding water
Flat turn is moved to be rotated on round bar 11, convenient for effectively being cleaned to rail interiors, wherein being located at several folding support frames 7
On hanger bracket 13 laser scanner 14 easy to support, laser scanner 14 in moving process convenient for being opened, to iron
The surface of rail carries out good scanning, convenient for the result of scanning to be limited on liquid crystal display 15, convenient for detection rail surface
Article push away wherein being located at the folding shape pushing frame 16 of 1 upper surface of bar shaped support frame convenient for holding and being pushed positioned at shape is rolled over
Bearing frame 17 is easily carried liquid crystal display 15 in moving frame 16, and one kind is convenient for being adjusted according to width, is convenient for night observation,
Inner case is shown well, makes an inspection tour convenient device automatically.
When in the present embodiment, using this device, this device is placed on rail, a pair of of magnetic in this device
Iron fast 6 is convenient for adsorbing rail surface, convenient for being moved under promotion, so that movement was fixed well, wherein each magnet
Block 6 is attached by fixed frame 5 with corresponding support spring 4, and convenient for squeezing, support is appropriate to be fitted support spring 4
When resilient support, this device is protected, wherein each support spring 4 passes through strip-shaped fixed block 3 and corresponding bar shaped branch
Support frame frame 2 is attached, wherein each bar shaped braced frame 2 can be slided on bar shaped support frame 1, convenient for according to sliding rail
Width carry out mobile adjustment appropriate, wherein being carried out in moving process in this device, drive and be located at 1 inside of bar shaped support frame
Several folding support frames 7 on surface are moved, so that the headlamp 9 being located on each 7 lower end of folding support frame carries out
It opens, the position being moved through effectively is illuminated, wherein each headlamp 9 is carried out in corresponding lamp holder 8
It opens, in carrying out moving process, is driven by a pair of of swinging support arm 10 and roll cleaning brush 12 in corresponding level turn
It is rotated on dynamic round bar 11, convenient for effectively being cleaned to rail interiors, wherein being located in several folding support frames 7
The laser scanner 14 easy to support of hanger bracket 13, laser scanner 14 in moving process convenient for being opened, to rail
Surface carries out good scanning, convenient for the result of scanning to be limited on liquid crystal display 15, convenient for detecting the object of rail surface
Product, wherein being located at what the folding shape pushing frame 16 of 1 upper surface of bar shaped support frame was pushed convenient for holding, it is located at folding shape pushing frame
Bearing frame 17 is easily carried liquid crystal display 15 on 16, wherein be located at 1 upper surface of bar shaped support frame and with folding shape pushing frame 16
Corresponding doubling shape intercepts frame 18, convenient for effectively intercepting the swing angle of folding shape pushing frame 16, hands over convenient for limitation,
If this device needs to be moved on the ground, each vertical studdle 21 can be manually turned, so that being located at each perpendicular
Support universal wheel 22 on straight 21 lower end surface of studdle is more than that magnet block contacts ground, under promotion, carries out movement, wherein
Each vertical studdle 21 is connected by level frame 20 with the vertical support post 19 for being located at 1 lower surface of bar shaped support frame
It connects, convenient for what is be fixed well, wherein being located at the warning flashing light 23 in folding 16 front surface of shape pushing frame convenient for will also play warning
Effect, wherein each bar shaped braced frame 2 is attached by adjusting fixing glue 24 and 1 upper surface of bar shaped support frame, just
In what is be somewhere fixed, split wherein the suspension mounting rack 25 for being located at each 2 front side of bar shaped braced frame is convenient for fixing
Trace somascope 26, so that each slight crack somascope 26 carries out examinations to the slight crack of rail interiors, is convenient for when being moved
It is shown in 15 upper surface of liquid crystal display, convenient for what is directly observed, wherein the battery 28 being located in bar shaped support frame 1 is only
It is, wherein being not belonging to protection content due to being electrically connected, not done for providing power supply to the electrical components in this device
Description.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of automation inspection device of rail traffic, including bar shaped support frame (1), which is characterized in that the bar shaped branch
Support (1) lower surface is equipped with automatic detecting mechanism, and bar shaped support frame (1) upper surface is equipped with pushing mechanism, the bar shaped branch
Support mobile mechanism is equipped at support (1) lower surface both ends, the automatic detecting mechanism is mainly by being sleeved on bar shaped support frame (1)
A pair of of bar shaped braced frame (2) at upper both ends, a pair of of the strip-shaped fixed block for being inlaid in each bar shaped braced frame (2) lower surface
(3), be arranged each strip-shaped fixed block (3) lower surface support spring (4), be arranged on each pair of support spring (4) lower end surface
Fixed frame (5), setting in each fixed frame (5) magnet block (6), be fixedly connected on bar shaped support frame (1) front end face
Several folding support frames (7), lamp holder (8) on each folding support frame (7) lower end surface is set, is arranged in lamp holder (8)
The headlamp (9) of lower surface is hingedly connected at bar shaped support frame (1) lower surface and is located on the inside of a pair of of bar shaped braced frame (2)
A pair of of swinging support arm (10), setting horizontally rotating round bar (11), being sleeved on water between a pair of of swinging support arm (10)
Flat turn moves rolling cleaning brush (12) on round bar (11), is sleeved in several folding support frames (7) hanger bracket (13), setting
Laser scanner (14) on hanger bracket (13) end face, setting above bar shaped support frame (1) and with laser scanner (14)
Liquid crystal display (15) composition being connected, the output end of the laser scanner (14) pass through conducting wire and liquid crystal display (15)
Signal input part be attached.
2. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that the promotion machine
Structure is mainly by being arranged in the folding shape pushing frame (16) of bar shaped support frame (1) upper surface, being arranged in folding shape pushing frame (16) upper end side
Surface and the bearing frame (17) being connected with liquid crystal display (15), be fixedly connected on bar shaped support frame (1) upper surface and with folding
The corresponding doubling shape of shape pushing frame (16) intercepts frame (18) composition.
3. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that the branch shifts
Motivation structure is mainly by being arranged in bar shaped support frame (1) lower surface and being located at the vertical support of a pair on the outside of bar shaped braced frame (2)
Column (19), the level frame (20) being inlaid on each vertical support post (19) side surface, processing are in each level frame (20)
The tapped through hole of upper surface, is sleeved on each vertical support spiral shell at the vertical studdle (21) being arranged in each tapped through hole
Support universal wheel (22) composition on bar (21) lower end surface.
4. a kind of automation inspection device of rail traffic according to claim 2, which is characterized in that the folding shape pushes away
Moving frame (16) front end face is embedded with several warnings flashing light (23).
5. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that described to roll clearly
Brush (12) is the long hairbrush of hard.
6. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that each item
Shape braced frame (2) upper surface is equipped with the adjustment fixing glue (24) between bar shaped support frame (1) upper surface.
7. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that each item
Shape braced frame (2) front end face is embedded in suspension mounting rack (25), and slight crack inspection is equipped in each suspension mounting rack (25)
Cha Yi (26), the slight crack somascope (26) are electrically connected by data line and liquid crystal display (15).
8. a kind of automation inspection device of rail traffic according to claim 3, which is characterized in that each described perpendicular
Non-slip mat (27) are set on straight support post (19) lower end surface.
9. a kind of automation inspection device of rail traffic according to claim 1, which is characterized in that each pendulum
Dynamic support arm (10) are the swinging support arm (10) of center binodal.
10. a kind of automation inspection device of rail traffic according to claim 1 or 4, which is characterized in that the item
Battery (28) are embedded with inside shape support frame (1), the laser scanner (14), liquid crystal display (15), warning flashing light
(23) and the power connection end of headlamp (9) passes through conducting wire and the output end of battery (28) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147216.3A CN109677431B (en) | 2019-02-27 | 2019-02-27 | Automatic inspection equipment for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147216.3A CN109677431B (en) | 2019-02-27 | 2019-02-27 | Automatic inspection equipment for rail transit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109677431A true CN109677431A (en) | 2019-04-26 |
| CN109677431B CN109677431B (en) | 2020-11-06 |
Family
ID=66197176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910147216.3A Expired - Fee Related CN109677431B (en) | 2019-02-27 | 2019-02-27 | Automatic inspection equipment for rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109677431B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861664A (en) * | 2019-12-04 | 2020-03-06 | 姚笑笑 | Automatic inspection equipment for rail transit |
| CN111560802A (en) * | 2020-05-26 | 2020-08-21 | 韦海珍 | Railway track ballast firing type cleaning and maintaining equipment |
| CN111560910A (en) * | 2020-05-27 | 2020-08-21 | 孟丽杰 | Intelligent track garbage collection cleaning device |
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| WO2007087317A2 (en) * | 2006-01-23 | 2007-08-02 | Wickhart John C | Method and apparatus for performing overhead crane rail alignment surveys |
| CN106379359A (en) * | 2016-10-19 | 2017-02-08 | 宁波创蓝环境科技有限公司 | Device for automatically cleaning space under train seats |
| CN107447708A (en) * | 2017-07-24 | 2017-12-08 | 长乐晶尚设计有限公司 | One kind is used for road lump and removes equipment |
| CN108729391A (en) * | 2018-06-20 | 2018-11-02 | 陆永振 | A kind of energy-saving and environment-friendly compact road sweeper device |
| CN109311495A (en) * | 2016-06-13 | 2019-02-05 | 普拉塞-陶伊尔铁路机械出口股份有限公司 | For safeguarding the method and system of the vehicle line of rail vehicle |
| CN109315107A (en) * | 2018-11-29 | 2019-02-12 | 湖南工艺美术职业学院 | A kind of squash type gardens are digged pit equipment |
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2019
- 2019-02-27 CN CN201910147216.3A patent/CN109677431B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007087317A2 (en) * | 2006-01-23 | 2007-08-02 | Wickhart John C | Method and apparatus for performing overhead crane rail alignment surveys |
| CN109311495A (en) * | 2016-06-13 | 2019-02-05 | 普拉塞-陶伊尔铁路机械出口股份有限公司 | For safeguarding the method and system of the vehicle line of rail vehicle |
| CN106379359A (en) * | 2016-10-19 | 2017-02-08 | 宁波创蓝环境科技有限公司 | Device for automatically cleaning space under train seats |
| CN107447708A (en) * | 2017-07-24 | 2017-12-08 | 长乐晶尚设计有限公司 | One kind is used for road lump and removes equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861664A (en) * | 2019-12-04 | 2020-03-06 | 姚笑笑 | Automatic inspection equipment for rail transit |
| CN110861664B (en) * | 2019-12-04 | 2021-06-29 | 青岛绿谷知识产权有限公司 | Automatic inspection equipment for rail transit |
| CN111560802A (en) * | 2020-05-26 | 2020-08-21 | 韦海珍 | Railway track ballast firing type cleaning and maintaining equipment |
| CN111560802B (en) * | 2020-05-26 | 2022-06-03 | 韦海珍 | Railway track ballast firing type cleaning and maintaining equipment |
| CN111560910A (en) * | 2020-05-27 | 2020-08-21 | 孟丽杰 | Intelligent track garbage collection cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109677431B (en) | 2020-11-06 |
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