CN112137629A - Instrument for testing occupational skills of urban rail transit dispatcher - Google Patents
Instrument for testing occupational skills of urban rail transit dispatcher Download PDFInfo
- Publication number
- CN112137629A CN112137629A CN202011021563.0A CN202011021563A CN112137629A CN 112137629 A CN112137629 A CN 112137629A CN 202011021563 A CN202011021563 A CN 202011021563A CN 112137629 A CN112137629 A CN 112137629A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- tester
- rail transit
- urban rail
- bottom plate
- 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.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/162—Testing reaction times
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/04—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles
- G09B9/052—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles characterised by provision for recording or measuring trainee's performance
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/20—Workers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention belongs to the technical field of testers, in particular to a tester for the professional skills of urban rail transit dispatchers, which aims at solving the problems that the existing tester for the professional skills of the dispatchers can fall a large amount of dust after being placed for a long time, so that the heat dissipation effect of the tester is deteriorated, the service life of the tester is reduced, and the sensitivity of the tester is influenced and error data is caused, and the invention provides a scheme that the tester comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a stand column, the top of the stand column is fixedly connected with a tester body, one side of the tester body is fixedly provided with a display screen, one side of the tester body is provided with a chute, and a storage plate is connected in the chute in a sliding way, prevent dust from falling on the tester body.
Description
Technical Field
The invention relates to the technical field of testers, in particular to a tester for vocational skills of an urban rail transit dispatcher.
Background
The dispatching center serving as an operation control and command center of urban rail transit has the characteristics of real-time performance, dynamic performance, multiple operation links, multiple influence factors, multiple information, multiple schemes and the like, and a dispatcher performing high-cognition type operation in the complex environment needs to ensure the transportation safety of a train and the transportation efficiency of a system. Nowadays, with the increasing development of urban rail transit, the requirement on the professional skills of dispatchers is higher and higher, the daily work of dispatchers includes monitoring the running condition of trains through a train monitoring system (ATS), monitoring the passenger flow condition of platforms through a monitoring system (CCTV) and the like, and the work requires that dispatchers concentrate on monitoring interfaces for a long time; in the monitoring process, if an abnormal condition occurs, a dispatcher needs to quickly distinguish whether manual intervention adjustment is needed, and the dispatcher needs to have strong distinguishing response capability at the moment; after an accident occurs, a dispatcher needs to quickly and accurately select a rescue scheme to implement rescue actions so as to avoid the expansion of the accident influence range, and at the moment, the selective response capability of the dispatcher is needed.
The existing expert adjustment member vocational skill tester is placed for a long time and can fall into a large amount of dust, so that the heat dissipation effect of the tester is deteriorated, the service life is reduced, the sensitivity of the tester is influenced, and error data is caused.
Disclosure of Invention
The invention aims to solve the defects that a great amount of dust falls into an existing expert dispatcher vocational skill tester after being placed for a long time, so that the heat dissipation effect of the tester is deteriorated, the service life of the tester is shortened, the sensitivity of the tester is influenced, and wrong data are caused.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tester for the occupational skills of an urban rail transit dispatcher comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with an upright column, the top of the upright column is fixedly connected with a tester body, one side of the tester body is fixedly provided with a display screen, one side of the tester body is provided with a chute, a storage plate is connected in the chute in a sliding manner, the top of the storage plate is fixedly connected with an input keyboard, the tester body is rotatably connected with a first rolling shaft, two ends of the first rolling shaft extend out of the tester body and are fixedly connected with two supporting rods, the other ends of the four supporting rods are fixedly connected with the same dustproof cover, a gear is fixedly sleeved on the first rolling shaft in the tester body, a rack is meshed on the gear and is connected in the chute in a sliding manner, one end of the rack is fixedly connected to one side of the storage, the clamping block is matched with the rack.
Preferably, the top of the bottom plate is rotatably connected with a threaded cylinder, a screw rod is connected to the threaded cylinder in a connecting sleeve mode, and the top of the screw rod is fixedly connected with a seat.
Preferably, a first bevel gear is fixedly sleeved on the threaded cylinder, a second bevel gear is meshed with the first bevel gear, one side of the second bevel gear is fixedly connected with one end of a second rolling shaft, and the other end of the second rolling shaft is fixedly connected with a rocker.
Preferably, the equal fixedly connected with one end of slide bar in bottom both sides of seat, the cover all slides on two slide bars and is equipped with the slide cartridge, and the equal fixed connection of two slide cartridges is at the top of bottom plate.
Preferably, bearings are fixedly sleeved at two ends of the second rolling shaft, one end of a positioning rod is fixedly connected to the bottom of each bearing, and the bottom of each positioning rod is fixedly connected to the top of the bottom plate.
Compared with the prior art, the invention has the advantages that:
1. this scheme can will put the thing board and promote in to the spout when not using the tester body, and then can come running gear and first roller bearing through the rack, when first roller bearing rotates, alright come the dust cover upset through the bracing piece and come, avoid the dust to drop on the tester body.
2. This scheme can rotate the second roller bearing through the rocker, and second bevel gear on the second roller bearing alright rotate the screw thread section of thick bamboo through first bevel gear, and then can adjust the height of seat through the screw rod, the adaptation uses with the tester of different heights.
Drawings
FIG. 1 is a schematic structural diagram of a side view section of a tester for vocational skills of an urban rail transit dispatcher, which is provided by the invention;
FIG. 2 is a schematic structural diagram of a part A in FIG. 1 of a tester for vocational skills of an urban rail transit dispatcher, according to the present invention;
fig. 3 is a schematic structural diagram of a tester for vocational skills of an urban rail transit dispatcher, which is provided by the invention, and part B in fig. 1.
In the figure: the device comprises a base plate 1, a stand column 2, a tester body 3, a display screen 4, a sliding chute 5, a storage board 6, an input keyboard 7, a first roller 8, a supporting rod 9, a dustproof cover 10, a gear 11, a rack 12, a clamping block 13, a threaded barrel 14, a threaded screw 15, a seat 16, a first bevel gear 17, a second bevel gear 18, a second roller 19, a rocker 20, a sliding rod 21, a sliding barrel 22, a bearing 23 and a positioning rod 24.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, a tester for vocational skills of an urban rail transit dispatcher, comprising a bottom plate 1, a column 2 fixedly connected to the top of the bottom plate 1, a tester body 3 fixedly connected to the top of the column 2, a display screen 4 fixedly arranged on one side of the tester body 3, a chute 5 arranged on one side of the tester body 3, a storage plate 6 slidably connected to the chute 5, an input keyboard 7 fixedly connected to the top of the storage plate 6, a first roller 8 rotatably connected to the tester body 3, two ends of the first roller 8 extending to the outside of the tester body 3 and fixedly connected to two support rods 9, a same dust cover 10 fixedly connected to the other ends of the four support rods 9, a gear 11 fixedly sleeved on the first roller 8 inside the tester body 3, a rack 12 engaged with the gear 11 and slidably connected to the chute 5, one end fixed connection of rack 12 is in the one side of putting thing board 6, fixedly connected with fixture block 13 on the top inner wall of spout 5, and fixture block 13 cooperatees with rack 12, through setting up rack 12, can rotate gear 11 and first roller bearing 8.
In this embodiment, the top of bottom plate 1 is rotated and is connected with a screw thread section of thick bamboo 14, and 14 threaded connection covers of a screw thread section of thick bamboo are equipped with screw rod 15, and the top fixedly connected with seat 16 of screw rod 15 is through setting up seat 16, and the personnel of facilitating the use sit and test.
In this embodiment, the threaded cylinder 14 is fixedly sleeved with a first bevel gear 17, the first bevel gear 17 is engaged with a second bevel gear 18, one side of the second bevel gear 18 is fixedly connected with one end of a second roller 19, the other end of the second roller 19 is fixedly connected with a rocker 20, and the second roller 19 can be rotated by arranging the rocker 20.
In this embodiment, the two sides of the bottom of the seat 16 are fixedly connected with one end of a sliding rod 21, the two sliding rods 21 are slidably sleeved with sliding cylinders 22, the two sliding cylinders 22 are fixedly connected to the top of the bottom plate 1, and the seat 16 and the screw 15 can be prevented from rotating along with the threaded cylinder 14 by arranging the sliding cylinders 22 and the sliding rods 21.
In this embodiment, both ends of the second roller 19 are fixedly sleeved with bearings 23, the bottom of each bearing 23 is fixedly connected with one end of a positioning rod 24, the bottom of each positioning rod 24 is fixedly connected to the top of the bottom plate 1, and the second roller 19 can be fixed by arranging the bearings 23 and the positioning rods 24.
Example two
Referring to fig. 1-3, a tester for the occupational skills of an urban rail transit dispatcher comprises a bottom plate 1, a stand column 2 is fixedly welded on the top of the bottom plate 1, a tester body 3 is fixedly welded on the top of the stand column 2, a display screen 4 is fixedly arranged on one side of the tester body 3, a chute 5 is arranged on one side of the tester body 3, an object placing plate 6 is slidably connected in the chute 5, an input keyboard 7 is fixedly connected on the top of the object placing plate 6 through screws, a first roller 8 is rotatably connected in the tester body 3, two ends of the first roller 8 extend out of the tester body 3 and are fixedly welded with two support rods 9, the other ends of the four support rods 9 are fixedly welded with a same dust cover 10, a gear 11 is fixedly sleeved on the first roller 8 positioned in the tester body 3, a rack 12 is meshed with the gear 11 and is slidably connected in the chute, one end of the rack 12 is fixedly welded on one side of the object placing plate 6, a fixture block 13 is fixedly welded on the inner wall of the top of the sliding groove 5, the fixture block 13 is matched with the rack 12, and the gear 11 and the first rolling shaft 8 can be rotated by arranging the rack 12.
In this embodiment, the top of bottom plate 1 is rotated and is connected with a screw thread section of thick bamboo 14, and 14 threaded connection covers in the screw thread section of thick bamboo are equipped with screw rod 15, and the fixed welding in top of screw rod 15 has seat 16, through setting up seat 16, makes things convenient for personnel to sit and tests.
In this embodiment, the threaded cylinder 14 is fixedly sleeved with a first bevel gear 17, the first bevel gear 17 is engaged with a second bevel gear 18, one side of the second bevel gear 18 is fixedly welded with one end of a second roller 19, the other end of the second roller 19 is fixedly welded with a rocker 20, and the second roller 19 can be rotated by arranging the rocker 20.
In this embodiment, the seat 16 has one end of the sliding rod 21 fixedly welded to both sides of the bottom thereof, the sliding cylinders 22 are slidably sleeved on the two sliding rods 21, the two sliding cylinders 22 are fixedly welded to the top of the bottom plate 1, and the seat 16 and the screw 15 can be prevented from rotating along with the threaded cylinder 14 by the arrangement of the sliding cylinders 22 and the sliding rods 21.
In this embodiment, both ends of the second roller 19 are fixedly sleeved with bearings 23, the bottom of the bearings 23 is fixedly welded with one end of a positioning rod 24, the bottom of the positioning rod 24 is fixedly welded at the top of the bottom plate 1, and the second roller 19 can be fixed by arranging the bearings 23 and the positioning rod 24.
In this embodiment, when not using tester body 3, can be with putting thing board 6 and promote in to spout 5, and then can come running gear 11 and first roller bearing 8 through rack 12, when first roller bearing 8 rotates, alright come the dust cover 10 upset through bracing piece 9 and come, avoid the dust to fall on tester body 3, can rotate second roller bearing 19 through rocker 20 simultaneously, second bevel gear 18 on the second roller bearing 19 alright come rotation thread section of thick bamboo 14 through first bevel gear 17, and then can adjust the height of seat 16 through screw 15, the adaptation uses with the tester of different heights.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (5)
1. The tester for the occupational skills of the urban rail transit dispatcher comprises a bottom plate (1) and is characterized in that a stand column (2) is fixedly connected to the top of the bottom plate (1), a tester body (3) is fixedly connected to the top of the stand column (2), a display screen (4) is fixedly arranged on one side of the tester body (3), a sliding groove (5) is formed in one side of the tester body (3), a storage plate (6) is connected to the sliding groove (5) in a sliding mode, an input keyboard (7) is fixedly connected to the top of the storage plate (6), a first rolling shaft (8) is rotatably connected to the tester body (3), two ends of the first rolling shaft (8) extend out of the tester body (3) and are fixedly connected with two supporting rods (9), the other ends of the four supporting rods (9) are fixedly connected with a same dust cover (10), a gear (11) is fixedly sleeved on the first rolling shaft (8) located in the tester, a rack (12) is arranged on the gear (11) in a meshed mode, the rack (12) is connected in the sliding groove (5) in a sliding mode, one end of the rack (12) is fixedly connected to one side of the storage plate (6), a clamping block (13) is fixedly connected to the inner wall of the top of the sliding groove (5), and the clamping block (13) is matched with the rack (12).
2. The instrument for testing the occupational skills of the urban rail transit dispatcher according to claim 1, wherein a threaded cylinder (14) is rotatably connected to the top of the bottom plate (1), a screw rod (15) is arranged in the threaded cylinder (14) in a connecting sleeve, and a seat (16) is fixedly connected to the top of the screw rod (15).
3. The instrument for testing the occupational skills of the urban rail transit dispatcher according to claim 2, wherein a first bevel gear (17) is fixedly sleeved on the threaded cylinder (14), a second bevel gear (18) is meshed with the first bevel gear (17), one side of the second bevel gear (18) is fixedly connected with one end of a second roller (19), and the other end of the second roller (19) is fixedly connected with a rocker (20).
4. The instrument for testing the occupational skills of the urban rail transit dispatcher according to claim 2, wherein one end of a sliding rod (21) is fixedly connected to each of two sides of the bottom of the seat (16), sliding cylinders (22) are slidably sleeved on each of the two sliding rods (21), and each of the two sliding cylinders (22) is fixedly connected to the top of the bottom plate (1).
5. The instrument for testing the occupational skills of the urban rail transit dispatcher according to claim 3, wherein bearings (23) are fixedly sleeved at two ends of the second roller (19), one end of a positioning rod (24) is fixedly connected to the bottom of each bearing (23), and the bottom of each positioning rod (24) is fixedly connected to the top of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021563.0A CN112137629B (en) | 2020-09-25 | 2020-09-25 | Tester for professional skills of urban rail transit dispatcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021563.0A CN112137629B (en) | 2020-09-25 | 2020-09-25 | Tester for professional skills of urban rail transit dispatcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112137629A true CN112137629A (en) | 2020-12-29 |
| CN112137629B CN112137629B (en) | 2023-07-28 |
Family
ID=73897047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011021563.0A Active CN112137629B (en) | 2020-09-25 | 2020-09-25 | Tester for professional skills of urban rail transit dispatcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112137629B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140086431A1 (en) * | 2012-09-27 | 2014-03-27 | Hewlett-Packard Devlopment Compnay, L.P. | Wireless peripheral hub device |
| CN106376193A (en) * | 2016-09-21 | 2017-02-01 | 湖北喵喵智能物联网科技有限公司 | Radio dustproof device for electronic communication |
| CN107801332A (en) * | 2017-08-24 | 2018-03-13 | 安徽智瑞电气有限公司 | A kind of low-voltage distribution system safety alarm device |
| CN109222420A (en) * | 2018-09-10 | 2019-01-18 | 郑州秉同立智电子科技有限公司 | A kind of high-tech desk with host function of auto-lift |
| CN208969902U (en) * | 2018-08-11 | 2019-06-11 | 山西太工矿业教学设备有限公司 | The virtual examination device of underground coal mine electric operation |
| CN210149728U (en) * | 2019-05-24 | 2020-03-17 | 苏州源康食品科技有限公司 | Protective device for vacuum packaging machine |
| CN111114412A (en) * | 2020-04-01 | 2020-05-08 | 山东交通职业学院 | Material conveying device |
| CN111241608A (en) * | 2020-01-10 | 2020-06-05 | 深圳市聚迅科技有限公司 | Data interface and public financial budget management integrated platform system convenient to manage |
| CN211149323U (en) * | 2019-12-16 | 2020-07-31 | 广东电网有限责任公司 | Terminal display for data summarization |
-
2020
- 2020-09-25 CN CN202011021563.0A patent/CN112137629B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140086431A1 (en) * | 2012-09-27 | 2014-03-27 | Hewlett-Packard Devlopment Compnay, L.P. | Wireless peripheral hub device |
| CN106376193A (en) * | 2016-09-21 | 2017-02-01 | 湖北喵喵智能物联网科技有限公司 | Radio dustproof device for electronic communication |
| CN107801332A (en) * | 2017-08-24 | 2018-03-13 | 安徽智瑞电气有限公司 | A kind of low-voltage distribution system safety alarm device |
| CN208969902U (en) * | 2018-08-11 | 2019-06-11 | 山西太工矿业教学设备有限公司 | The virtual examination device of underground coal mine electric operation |
| CN109222420A (en) * | 2018-09-10 | 2019-01-18 | 郑州秉同立智电子科技有限公司 | A kind of high-tech desk with host function of auto-lift |
| CN210149728U (en) * | 2019-05-24 | 2020-03-17 | 苏州源康食品科技有限公司 | Protective device for vacuum packaging machine |
| CN211149323U (en) * | 2019-12-16 | 2020-07-31 | 广东电网有限责任公司 | Terminal display for data summarization |
| CN111241608A (en) * | 2020-01-10 | 2020-06-05 | 深圳市聚迅科技有限公司 | Data interface and public financial budget management integrated platform system convenient to manage |
| CN111114412A (en) * | 2020-04-01 | 2020-05-08 | 山东交通职业学院 | Material conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112137629B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208833164U (en) | For detecting the tooling of concentricity and conical surface bounce | |
| CN112137629A (en) | Instrument for testing occupational skills of urban rail transit dispatcher | |
| CN115289945A (en) | Bearing play detection equipment | |
| CN208488027U (en) | A kind of generator crankshaft surface convexity detector | |
| CN210862449U (en) | Nut sample thread detection device | |
| CN109506860B (en) | Load test device for rotary hinge device | |
| CN201607330U (en) | Framework positioning device used for comprehensive parameter inspecting platform of railway vehicle bogie | |
| CN108414172A (en) | A kind of anti-rolling torsion bar for railway vehicle stiffness test method and device | |
| CN206095561U (en) | Two take place ofs wheel hub bearings loading device that tests vibration | |
| CN205643055U (en) | High sclerometer of security | |
| CN201540080U (en) | Screw lead difference measuring tool | |
| CN106969858A (en) | A kind of load device of car light lampshade stress mornitoring | |
| CN203758740U (en) | Detecting device for non-withdrawn rolling bearings of freight wagon | |
| CN206648822U (en) | A kind of electronic automobile rolling simulating bench suitable for multi-vehicle-type | |
| CN113199244B (en) | Semi-automatic assembly device for automobile headrest module | |
| CN103983457A (en) | High-speed railway bearing matched loose simulator stand | |
| CN110458899B (en) | Calibrating device for TFDS, TVDS and TEDS system rail side imaging device | |
| CN213165246U (en) | Loading and unloading tool for high-speed rail gearbox bearing test | |
| CN211475376U (en) | Positioning device of automobile inspection tool mounting bracket | |
| CN203758430U (en) | Device for measuring scratching defect at axle surface | |
| CN110346153B (en) | Piston rod rotating torsion fatigue testing machine | |
| CN113945132B (en) | Detection ruler rod | |
| RU48628U1 (en) | STAND FOR TEST AND REPAIR OF ABSORBING APPARATUS FOR PASSENGER CARS | |
| CN102012258A (en) | Checking device of railway vehicle wheel load instrument | |
| CN204495233U (en) | Mechanism's main connecting lever inspection frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |