CN110421154A - A kind of hot-metal car cartridge anti-drop device - Google Patents
A kind of hot-metal car cartridge anti-drop device Download PDFInfo
- Publication number
- CN110421154A CN110421154A CN201910808546.2A CN201910808546A CN110421154A CN 110421154 A CN110421154 A CN 110421154A CN 201910808546 A CN201910808546 A CN 201910808546A CN 110421154 A CN110421154 A CN 110421154A
- Authority
- CN
- China
- Prior art keywords
- anticreep
- bull stick
- hot
- drop device
- cartridge
- 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
Links
- 239000002184 metal Substances 0.000 title claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 53
- 244000309464 bull Species 0.000 claims abstract description 94
- 241001669679 Eleotris Species 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005272 metallurgy Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
- B61F5/18—King-bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The present invention provides a kind of hot-metal car cartridge anti-drop device applied to railway metallurgical vehicle metallurgy vehicle technical field, the hot-metal car cartridge anti-drop device includes cartridge I (1), cartridge II (2), anticreep gag lever post (3), anticreep sleeve (4) are set on the cartridge I (1), activity setting anticreep bull stick (5) on cartridge II (2), hollow slot (6) are set on anticreep sleeve (4), setting bull stick perforates (9) on anticreep bull stick (5).Hot-metal car cartridge anti-drop device of the present invention, easy to use, at low cost, effective guarantee hot-metal ladle and carriage prevents hot-metal ladle and carriage the wrong position of the center plate security risk using safe, while ensuring that device separation does not influence normal vehicle simultaneously and overhauls.
Description
Technical field
The invention belongs to railway metallurgical vehicle metallurgy vehicle technical fields, are to be related to a kind of hot-metal car cartridge anticreep dress more specifically
It sets.
Background technique
In metallurgical industry, molten iron transports steel mill often through hot-metal ladle and carriage and is smelted, and hot-metal ladle and carriage is that transport is high
The main special equipment of large size of furnace molten iron is mainly used for being transported to converter as steel-making or cast iron etc. blast-melted, and prevents
Molten steel splash and molten steel are cooling in transportational process, molten iron can also be stored in short-term with coordinate to smelt iron and make steel temporarily occur it is unbalanced
State reduces the secondary heating time, keeps the production of a blast furnace high position.And hot-metal ladle and carriage is toppled in molten iron operation in steel mill and is easily taken up
Vehicle frame, so that vehicle frame bounce offset, generates the security risk of the wrong position of the center plate, the non-dropping place of cartridge will affect hot-metal car operational safety,
The accident for the molten iron that topples in operation can even be caused when serious.Cause hot-metal ladle and carriage the wrong position of the center plate hidden safely for steel mill's cage
Suffer from, there is no effective solution means in industry at present, substantially aim at prevention, this does not prevent security risk.
Summary of the invention
The technical problems to be solved by the present invention are: it is simple to provide a kind of structure, easy to use, active and effective guarantee molten iron
Tank car prevents hot-metal ladle and carriage the wrong position of the center plate security risk using safe, while ensuring device separation while not influencing normal vehicle
The hot-metal car cartridge anti-drop device of maintenance.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows:
The present invention is a kind of hot-metal car cartridge anti-drop device, and the hot-metal car cartridge anti-drop device includes anticreep limit
Anticreep sleeve is arranged on the sleeper beam, anticreep bull stick is arranged on rocking bar, notch is arranged on anticreep sleeve for bar, rocking bar, sleeper beam,
Bull stick is arranged on anticreep bull stick to perforate.
The notch is hollow slot, and hollow slot includes hollow channel opening portion and hollow slot limiting section, hollow slot limiting section
In horizontally disposed, hollow channel opening portion is arranged vertically with hollow slot limiting section, hollow slot limiting section one end and hollow channel opening portion
One end connection.
The hollow slot is set as being in inverted L shape structure, and two hollow slots, two hollows are arranged on the anticreep sleeve
The hollow slot limiting section of slot is in same horizontal line, and the hollow channel opening portion of two hollow slots is arranged in 180 degree angle.
Cartridge II is connect with bolster, and baffle is arranged in anticreep gag lever post lower end, and baffle passes through bolster hole and is located at the knot in bolster
Structure.
The hot-metal car cartridge anti-drop device further includes cartridge I, and cartridge I is connect with sleeper beam, and the setting of anticreep sleeve is being rested the head on
Liang Shang.
Close upper end position of the bull stick perforation horizontal through anticreep bull stick.
At anticreep bull stick upper end, bull stick perforation is configured to limit with hollow slot the anticreep sleeve movable set
Portion is in the structure of same horizontal line.
The anticreep bull stick is configured to the structure rotated relative to bolster.
The anticreep sleeve is welded on sleeper beam lower surface position.
The anticreep bull stick and baffle is in inverted T-shaped structure.
Using technical solution of the present invention, can obtain it is below the utility model has the advantages that
Hot-metal car cartridge anti-drop device of the present invention, the connection structure to the hot-metal car for being provided with cartridge I, cartridge II
It improves, to effectively play anti-drop function.Notch is offered on the anticreep sleeve (sleeve), is arranged on anticreep bull stick
Bull stick perforation.When vehicle (hot-metal car, hot-metal ladle and carriage) uses, sleeve is sleeved on anticreep bull stick, at this point, bull stick is perforated while being worn
The notch and anticreep bull stick of sleeve are crossed, realizes the connection of sleeve and anticreep bull stick.At this point, baffle is located in the bolster hole of bolster,
Baffle is arranged vertically with bolster level in 90 degree, during steel mill's cage tank switching, once certain altitude is drawn high with lift frame
Afterwards, the baffle on anticreep bull stick (bull stick) is encountered bolster and can be taken up entire bolster, it is ensured that the II realization activity of cartridge I and cartridge
Connection guarantees that cartridge pin will not scurry out, cartridge is effectively prevent to isolate and fall off, and when vehicle frame dropping place, it can be ensured that cartridge I and cartridge
II (one is body center plate, another is center bearing) may be implemented to be closed completely once again, if vehicle frame will be caused by the too high of band
Truck side frame tilts, and side frame frame lives wheel set bearing, and vehicle will be unable to run, it is easy to just be examined by yard man or Field Force
Look into discovery.Hot-metal car cartridge anti-drop device of the present invention, structure is simple, and manufacturing cost is low, easy to use, can effectively protect
Hinder hot-metal ladle and carriage using safe, prevent hot-metal ladle and carriage the wrong position of the center plate security risk, while ensuring device separation while not influencing just
Normal car inspection and repair.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the Integral connection structure schematic diagram of hot-metal car cartridge anti-drop device of the present invention；
Fig. 2 is the part knot when anticreep sleeve of hot-metal car cartridge anti-drop device of the present invention is connected with anticreep bull stick
Structure schematic diagram；
It is attached in the figure, it is marked as 1, cartridge I；2, cartridge II；3, anticreep gag lever post；4, anticreep sleeve；5, anticreep bull stick；6, it returns
Type groove；7, hollow channel opening portion；8, hollow slot limiting section；9, bull stick is perforated；10, bolster；11, baffle；12, bolster hole；13, it rests the head on
Beam.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention
The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further
Detailed description:
As shown in attached drawing 1- attached drawing 2, the present invention is a kind of hot-metal car cartridge anti-drop device, the hot-metal car cartridge anticreep
Device includes anticreep gag lever post 3, rocking bar 10, sleeper beam 13, and anticreep sleeve 4 is arranged on the sleeper beam 13, and setting is anti-on rocking bar 10
Bull stick 5 is taken off, notch is set on anticreep sleeve 4, setting bull stick perforation 9 on anticreep bull stick 5.Above structure, to solve the prior art
The problem of, the connection structure for the hot-metal car for being provided with cartridge I 1, cartridge II 2 is improved, to effectively play anti-
De- function.Notch is offered on the anticreep sleeve (sleeve), setting bull stick perforation 9 on anticreep bull stick 5.Vehicle (hot-metal car,
Hot-metal ladle and carriage) use when, sleeve is sleeved on anticreep bull stick, at this point, bull stick perforation 9 also cross sleeve notch and preventing loosening and rotation
Bar 5 realizes the connection of sleeve and anticreep bull stick.At this point, baffle is located in the bolster hole of bolster, baffle and bolster level are in 90 degree
It is arranged vertically, during steel mill's cage tank switching, once with lift frame, after drawing high certain altitude, on anticreep bull stick (bull stick)
Baffle, which encounters bolster, can take up entire bolster, it is ensured that cartridge I 1 and cartridge II 2 are realized and be flexibly connected, and guarantee that cartridge pin will not
It scurries out, cartridge is effectively prevent to isolate and fall off, and when vehicle frame dropping place, (one is body center plate, another is for cartridge I 1 and cartridge II 2
Center bearing) it may be implemented to be closed completely once again, if vehicle frame will cause truck side frame to tilt by the too high of band, side frame frame is lived
Wheel set bearing, vehicle will be unable to run, it is easy to just check discovery by yard man or Field Force.Molten iron of the present invention
Vehicle cartridge anti-drop device, structure is simple, and manufacturing cost is low, easy to use, can effective guarantee hot-metal ladle and carriage using safe, prevent
Hot-metal ladle and carriage the wrong position of the center plate security risk, while ensuring device separation while not influencing normal vehicle maintenance.
The hollow slot 6 includes hollow channel opening portion 7 and hollow slot limiting section 8, and hollow slot limiting section 8 is in horizontal cloth
It sets, hollow channel opening portion 7 is arranged vertically with hollow slot limiting section 8,8 one end of hollow slot limiting section and 7 one end of hollow channel opening portion
Connection.Above structure carries out unique setting to the structure of hollow slot, when vehicle uses and sleeve is needed to connect with bull stick, first
Anticreep gag lever post 3 is perforated across bull stick, is made in cross-shaped structure between anticreep bull stick and anticreep gag lever post, then, by sleeve
It covers and is set on bull stick, so that the hollow channel opening portion 7 of sleeve is directed at anticreep anticreep gag lever post, anticreep gag lever post is opened from hollow slot
Oral area enters hollow slot, and then, rotary release proof gag lever post drives bull stick to be rotated by 90 °, and bull stick gag lever post is along hollow slot at this time
Limiting section moves horizontally, and rotates when bull stick rotates relative to sleeve, after rotation, bull stick gag lever post is resisted against hollow slot limiting section one
End is held, is no longer rotated, realizes limit.And at this point, being movable connection structure between bull stick and cartridge II 2, so that cartridge I 1, the heart
It is flexibly connected between disk II 2, effectively prevent falling off.And in car inspection and repair, need unwheeling to overhaul bogie, then it can be anti-by bull stick
To being rotated by 90 °, bull stick is moved to hollow channel opening portion from hollow slot limiting section at this time, takes out bull stick downwards, bull stick can be realized
It is separated with sleeve, bull stick directly puts down hang on bolster at this time, then erects vehicle, releases bogie and completes corresponding maintenance, maintenance
After the completion, bogie, vehicle frame dropping place, then pull-up bull stick are pushed back to be inserted into sleeve, bull stick is rotated by 90 ° again, makes bull stick dropping place
In hollow slot limiting section, the assembling of the device is completed.It is convenient to use.
The hollow slot 6 is set as being in inverted L shape structure, two hollow slots 6 of setting on the anticreep sleeve 4, and two
The hollow slot limiting section 8 of hollow slot 6 is in same horizontal line, and the hollow channel opening portion 7 of two hollow slots 6 is in 180 degree angle cloth
It sets.Above structure, two hollow slots arranged that two hollow slots are symmetrical structure along sleeve surface one week.In this way, bull stick limits
When pin connection bull stick and sleeve, bull stick both ends are introduced into two hollow channel opening portions respectively, then rotate bull stick, bull stick edge respectively
Two hollow slot limiting sections move horizontally, it is real until bull stick both ends are respectively resisted against hollow slot limiting section one end end
Existing anticreep setting, it is easy to operate.
Hot-metal car cartridge anti-drop device of the present invention uses in pairs, and each trolley is equipped with two groups.Anti-drop device is even hung
The rotation of bull stick gag lever post can be realized sleeve and bull stick separates or connection by convenient disassembly.The bull stick and sleeve is even hung (even
Connect) after, certain surplus is possessed in bull stick bottom and bolster hole lower surface, to make the cartridge being located above and underlying cartridge
It does not separate.Only vehicle frame, which takes up certain altitude Shi Caihui, makes bull stick bottom take up bolster.The bull stick gag lever post is round stock
Material is made, and passes in and out hollow slot by bull stick gag lever post, realizes connection and separation between bull stick and sleeve, it is ensured that anti-drop device
Using meet demand, safety is improved.
The cartridge II 2 is connect with bolster 10 (truck bolster), and baffle 11, baffle is arranged in 3 lower end of anticreep gag lever post
11, which pass through bolster hole 12, is located at the structure in bolster 10.Above structure, baffle realize being flexibly connected between bull stick and bolster, and
Ensure that the two will not fall off.
The hot-metal car cartridge anti-drop device further includes cartridge I 1, cartridge II 2, and cartridge I 1 is connect with sleeper beam 13, cartridge
II 2 connect with bolster 10, and anticreep sleeve 4 is arranged on sleeper beam.
Close upper end position of the bull stick perforation 9 horizontal through anticreep bull stick 5.Bull stick perforation 9 is horizontal through anticreep
After bull stick 5, the anticreep gag lever post 3 for needing to pass through bull stick perforation 9 is welded and fixed with anticreep bull stick 5, thus it is ensured that anticreep bull stick
5 are fallen off by external impacts.Then, when needing to separate anticreep gag lever post 3 and anticreep bull stick 5, weld part is eliminated.
At anticreep 3 upper end of bull stick, bull stick perforation 9 is configured to and hollow slot 4 movable set of anticreep sleeve
Limiting section 8 is in the structure of same horizontal line.The anticreep bull stick 5 is configured to the structure rotated relative to bolster 10.
The anticreep sleeve 4 is welded on 13 lower surface position of sleeper beam.The anticreep bull stick 5 and baffle 11 is in inverted T-shaped structure.
Hot-metal car cartridge anti-drop device of the present invention, the connection structure to the hot-metal car for being provided with cartridge I, cartridge II
It improves, to effectively play anti-drop function.Notch is offered on the anticreep sleeve (sleeve), is arranged on anticreep bull stick
Bull stick perforation.When vehicle (hot-metal car, hot-metal ladle and carriage) uses, sleeve is sleeved on anticreep bull stick, at this point, bull stick is perforated while being worn
The notch and anticreep bull stick of sleeve are crossed, realizes the connection of sleeve and anticreep bull stick.At this point, baffle is located in the bolster hole of bolster,
Baffle is arranged vertically with bolster level in 90 degree, during steel mill's cage tank switching, once certain altitude is drawn high with lift frame
Afterwards, the baffle on anticreep bull stick (bull stick) is encountered bolster and can be taken up entire bolster, it is ensured that the II realization activity of cartridge I and cartridge
Connection guarantees that cartridge pin will not scurry out, cartridge is effectively prevent to isolate and fall off, and when vehicle frame dropping place, it can be ensured that cartridge I and cartridge
II (one is body center plate, another is center bearing) may be implemented to be closed completely once again, if vehicle frame will be caused by the too high of band
Truck side frame tilts, and side frame frame lives wheel set bearing, and vehicle will be unable to run, it is easy to just be examined by yard man or Field Force
Look into discovery.Hot-metal car cartridge anti-drop device of the present invention, structure is simple, and manufacturing cost is low, easy to use, can effectively protect
Hinder hot-metal ladle and carriage using safe, prevent hot-metal ladle and carriage the wrong position of the center plate security risk, while ensuring device separation while not influencing just
Normal car inspection and repair.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.
Claims (10)
1. a kind of hot-metal car cartridge anti-drop device, it is characterised in that: including anticreep gag lever post (3), rocking bar (10), sleeper beam (13),
Anticreep sleeve (4) are set on the sleeper beam (13), anticreep bull stick (5) are set on rocking bar (10), slot is arranged on (4) in anticreep sleeve
Mouthful, setting bull stick perforates (9) on anticreep bull stick (5).
2. hot-metal car cartridge anti-drop device according to claim 1, it is characterised in that: the notch is hollow slot (6),
Hollow slot (6) includes hollow channel opening portion (7) and hollow slot limiting section (8), and hollow slot limiting section (8) is in horizontally disposed, hollow
Channel opening portion (7) is arranged vertically with hollow slot limiting section (8), hollow slot limiting section (8) one end and hollow channel opening portion (7) one end
Connection.
3. hot-metal car cartridge anti-drop device according to claim 2, it is characterised in that: the hollow slot (6) is set as
In inverted L shape structure, two hollow slots (6), the hollow slot limiting section of two hollow slots (6) are set on the anticreep sleeve (4)
(8) it is in same horizontal line, the hollow channel opening portion (7) of two hollow slots (6) is arranged in 180 degree angle.
4. hot-metal car cartridge anti-drop device according to claim 1 or 2, it is characterised in that: cartridge II (2) and bolster (10)
Baffle (11) are arranged in connection, anticreep gag lever post (3) lower end, and baffle (11) passes through bolster hole (12) and is located at the knot in bolster (10)
Structure.
5. hot-metal car cartridge anti-drop device according to claim 1 or 2, it is characterised in that: cartridge I (1) and sleeper beam (13)
Connection, anticreep sleeve (4) are arranged on sleeper beam (13).
6. hot-metal car cartridge anti-drop device according to claim 1 or 2, it is characterised in that: described bull stick perforation (9) water
The flat close upper end position across anticreep bull stick (5).
7. hot-metal car cartridge anti-drop device according to claim 2 or 3, it is characterised in that: the anticreep sleeve (4) is living
Dynamic when being sleeved on anticreep bull stick (3) upper end, bull stick perforation (9) is configured to be in same level with hollow slot limiting section (8)
The structure of line.
8. hot-metal car cartridge anti-drop device according to claim 4, it is characterised in that: anticreep bull stick (5) setting
For the structure that can be rotated relative to bolster (10).
9. hot-metal car cartridge anti-drop device according to claim 5, it is characterised in that: anticreep sleeve (4) welding
In sleeper beam (13) lower surface position.
10. hot-metal car cartridge anti-drop device according to claim 4, it is characterised in that: the anticreep bull stick (5) and gear
Plate (11) is in inverted T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910808546.2A CN110421154A (en) | 2019-08-29 | 2019-08-29 | A kind of hot-metal car cartridge anti-drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910808546.2A CN110421154A (en) | 2019-08-29 | 2019-08-29 | A kind of hot-metal car cartridge anti-drop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110421154A true CN110421154A (en) | 2019-11-08 |
Family
ID=68418035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910808546.2A Pending CN110421154A (en) | 2019-08-29 | 2019-08-29 | A kind of hot-metal car cartridge anti-drop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110421154A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862771U (en) * | 2010-11-12 | 2011-06-15 | 株洲新通铁路装备有限公司 | Hot metal car pushing and connecting device |
| CN202987177U (en) * | 2012-12-20 | 2013-06-12 | 齐齐哈尔轨道交通装备有限责任公司 | Railway freight car and spherical center plate anti-separating system thereof |
| CN105329055A (en) * | 2015-12-02 | 2016-02-17 | 南车长江车辆有限公司 | Bearing and connecting device for highway-railway combined transport vehicle |
| CN211071812U (en) * | 2019-08-29 | 2020-07-24 | 新余钢铁股份有限公司 | Molten iron center plate anti-falling device |
-
2019
- 2019-08-29 CN CN201910808546.2A patent/CN110421154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862771U (en) * | 2010-11-12 | 2011-06-15 | 株洲新通铁路装备有限公司 | Hot metal car pushing and connecting device |
| CN202987177U (en) * | 2012-12-20 | 2013-06-12 | 齐齐哈尔轨道交通装备有限责任公司 | Railway freight car and spherical center plate anti-separating system thereof |
| CN105329055A (en) * | 2015-12-02 | 2016-02-17 | 南车长江车辆有限公司 | Bearing and connecting device for highway-railway combined transport vehicle |
| CN211071812U (en) * | 2019-08-29 | 2020-07-24 | 新余钢铁股份有限公司 | Molten iron center plate anti-falling device |
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