CN108974038A - A kind of coiled material industrial railway carrier frame - Google Patents
A kind of coiled material industrial railway carrier frame Download PDFInfo
- Publication number
- CN108974038A CN108974038A CN201810944662.2A CN201810944662A CN108974038A CN 108974038 A CN108974038 A CN 108974038A CN 201810944662 A CN201810944662 A CN 201810944662A CN 108974038 A CN108974038 A CN 108974038A
- Authority
- CN
- China
- Prior art keywords
- coiled material
- dovetail groove
- positioning device
- carrier frame
- chassis
- 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
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Classifications
-
- 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
- B61F1/00—Underframes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
- B61D45/001—Devices for fixing to walls or floors
- B61D45/003—Fixing of logs, beams, barrels, pipes, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
- B61D45/008—Shock absorbing devices
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses a kind of coiled material industrial railway carrier frame with horizontal positioning device.Including plate body frame, arranged for interval dovetail groove on chassis, dovetail groove inclined-plane is disposed with automatic horizontal positioning device, and automatic device is the crank-bar linkage structure being set under dovetail groove inclined-plane, and the opening that can be arranged by inclined-plane stretches out telescopic blocking arm for fixing coiled material；Dovetail groove top layout has manual lateral positioning device, and hand gear is set between dovetail groove top, including bar can moving and fix at the top of dovetail groove, for fixing coiled material；Trapezoidal rooved face is also equipped with buffer unit.The present invention realizes the positioning of various plate width rolling steels with the mutual cooperation of manual lateral positioning device automatically, meets the transport requirement of high temperature coiled material, buffer unit replaceable；Hand gear of the present invention can realize unlocking and locking by any one layback fixed handle, and automatic device can satisfy the fixation or release operation of different size coiled material without operation.
Description
Technical field
The invention belongs to railway freight wagon design manufacturing technology field, in particular to a kind of coiled material with horizontal positioning device is special
With railway transportation vehicle frame.
Background technique
In existing railway transport vehicle, the transport of web transport, such as coil generally use flat car install additional positioning device into
It is transported after row is fixed, stability cannot meet the needs, and the fixed complexity of coiled material needs more people to operate, efficiency is very low.?
There is the coiled material industrial railway dollie without disassembly, there is also number of drawbacks to have much room for improvement for special transport chassis, cannot
It adapts to that various different size plates are wide, particularly the loading demand of coil, the dress of hot rolling coil or cold rolling coil cannot be applicable in simultaneously
Load demand, fixes device complexity, and operating efficiency is low.
Summary of the invention
It is an object of the invention to: it is directed to above-mentioned defect, it is dedicated to provide a kind of coiled material with horizontal positioning device
Railway transportation vehicle frame.
The invention is realized by the following technical scheme:
Coiled material industrial railway carrier frame, including railway flat body frame, arranged for interval, which is fixed with, on the chassis is used for
The dovetail groove wide at the top and narrow at the bottom that coiled material is placed, it is characterised in that:
The dovetail groove inclined-plane is disposed with automatic horizontal positioning device, and automatic horizontal positioning device is that be set to dovetail groove oblique
Crank-bar linkage structure under face, and the opening that can be arranged by inclined-plane stretches out telescopic blocking arm for fixing coiled material；
The dovetail groove top layout has manual lateral positioning device, and manual lateral positioning device is set at the top of dovetail groove
Between, including bar can moving and fix at the top of dovetail groove, for fixing coiled material.
Automatic horizontal positioning device described further constitutes blocking arm by crank, round pin, idler wheel, further includes spring fastening, bullet
Spring, seat board and axis, crank is hinged by axis and the bracket under dovetail groove inclined-plane, and idler wheel is mounted on crank outer end by round pin, bent
Handle lower end is hinged with spring fastening, and spring one end is mounted on spring fastening, and the spring other end is connect by seat board with chassis.
The lever both ends of manual lateral positioning device described further are respectively along the railroad being set at the top of dovetail groove
Mobile, bar is hollow structure, the operating mechanism of setting manual lateral positioning device in hollow structure.
Above-mentioned railroad is made of the positioning gear on the inside of the guide rail and guide rail being fixed at the top of dovetail groove, positioning gear interval
It is provided with locating slot；Bar both ends have slide opening to be inserted in guide rail realization movement；Operating mechanism is by handle, link block, adjustable spring group
Link mechanism driving tapered end is constituted at, sliding block composition, guide holder and tapered end and locating slot folding realizes that coiled material is laterally fixed.
The present invention is also symmetrically installed with coiled material buffer unit in dovetail groove chamfered surface, and buffer unit is trapezoidal including being fixed on
The fixed replaceable buffer stopper of embedded locating slot and the locating slot insertion of slot chamfered surface.
The bracket of trapezoidal skeleton can be made in dovetail groove of the present invention of rectangular steel pipe and crossbeam and rack outer surface cover
The crimping part cover board of lid and being weldingly fixed on chassis is constituted；Bracket intersects network, cross rail inner and bottom with crossbeam composition
Support is installed between frame.
May be provided under bottom frame floor face of the present invention reserved installation flexible insulant material installation space every
Thermosphere.
Barricade can also be arranged for preventing coiled material from skidding off vehicle frame in the setting of chassis two sides in the present invention.
The present invention is respectively arranged certainly by being longitudinally arranged array dovetail groove along vehicle frame in the slot bottom both side surface of dovetail groove
Dynamic horizontal positioning device, manual lateral positioning device is arranged in two sides at the top of dovetail groove.Automatic horizontal positioning device and manually cross
It is operated to the mutual cooperation of positioning device, it is a variety of general to be applicable in loading coil diameter 900mm~2050mm, the wide 500mm~2000mm of plate etc.
Drift lattice and special requirement accumbency coiled material, the transport of especially coil are fixed.
The present invention is directly contacted when trapezoidal rooved face is equipped with disconnectable buffer stopper for coiled steel transportation with coil, is delayed
Root tuber is rushed according to loaded coil type difference replaceable, more effectively protection coil.When loading hot rolling coil, it is changed to high temperature resistant
Buffer stopper；When loading cold rolling coil, it is changed to the buffer stopper of polyurethane material or rubber material.
The present invention has thermal insulation layer in bottom frame floor face, reserves the refractory materials such as installation plain edition alumina silicate silk blanket
Installation space can meet offline 300 DEG C~500 DEG C of coil of the requirement of transport, and chassis each section material therefor is in normal condition
Or coil will not all be polluted under high-temperature condition.
The automatic horizontal positioning device of the present invention is when loading the wide coiled material of special requirement plate, when coiled material is pressed on idler wheel, crank
It can rotate counterclockwise, be sunk to while compressed spring under dovetail groove inclined-plane plate face around axis, it at this time can be horizontal manually by adjusting
Coiled material located lateral is realized to positioning device.When coiled material is hung, effect of the automatic horizontal positioning device by spring force, song
Handle is rotated clockwise around axis, is automatically reset.In the wide coiled material of the fixed dimension board of loading, coiled material is put into two groups of automatic located laterals dresses
It sets between barricade.The blocking arm of erect can meet coiled material located lateral function.
Manual lateral positioning device of the present invention is made of positioning gear, guide rail, handle, bar, link block, adjustable spring, leads
Assemble to seat, tapered end, sliding block.Push blocking arm that can realize the located lateral of the wide coiled material of special requirement plate to suitable position
Function.
The operating mechanism of manual lateral positioning device is fixed on inside bar by guide holder, can play operating mechanism
Safety protection function.Operating process is: bar can be horizontally slipped by guide rail.It positions and keeps off in bar disposed inboard, positioning is blocked
Several locating slots are provided with, it can be achieved that the located lateral of bar acts on.When pulling handle outward, tapered end is detached from determining for positioning
Position slot, can push bar to clamp coiled material to suitable position at this time, realize the located lateral function of the wide coiled material of special requirement plate.Work as pine
Handle is opened, is acted on by adjustable spring, tapered end enters the locating slot of positioning, realizes bar blocking arm position locking effect.
The operating mechanism of manual lateral positioning device of the present invention can realize that operator pulls handle can be real in any side
Existing bar is unlocked and locking effect.Operating process is: when pulling any one side handle, while compressing adjustable spring, and connection
Block linkage is moved outward, and band movable slider composition is mobile to both ends respectively, realizes synchronous unlocking action.Conversely, any when unclamping
It when one side handle, is set in adjustable spring by elastic force effect homing, link block linkage moves inward, band movable slider group ingredient
It is not mobile to centre, realize genlocing movement.
The beneficial effects of the present invention are:
1, the mutual cooperation of the automatic horizontal positioning device of the present invention and manual lateral positioning device operates, it can be achieved that various plates
The located lateral function of width rolling steel.
2, bottom frame floor face of the invention has thermal insulation layer, reserves the refractory materials such as installation plain edition alumina silicate silk blanket
Installation space, offline 300 DEG C~500 DEG C of coil of the requirement of transport can be met, and chassis each section material therefor is in positive reason
Coil will not all be polluted under condition or high-temperature condition.
3, the present invention can be different according to loaded coiled material type, buffer stopper replaceable, more effectively protection coil.Especially
When loading coil steel materials, when for hot rolling coil, it is changed to buffer stopper resistant to high temperature；When for cold rolling coil, it is changed to poly-
The buffer stopper of urethane material or rubber material.
4, the operating mechanism of manual lateral positioning device of the present invention can realize that operator pulls handle in any side, can
Realize that bar is unlocked and locking effect, automatic horizontal positioning device can satisfy fixing or releasing for different size coiled material without operation
Put operation.
Detailed description of the invention
Fig. 1 is body frame structure for automotive schematic diagram of the present invention；
Fig. 2 is vehicle frame dovetail groove partial enlargement diagram of the present invention；
Fig. 3 is vehicle frame automatic positioning equipment enlarged structure schematic diagram of the present invention；
Fig. 4 is vehicle frame manual positioning device structural schematic diagram of the present invention；
Fig. 5 is vehicle frame manual positioning device planar structure schematic diagram of the present invention；
Fig. 6 is frame cushion schematic diagram of the present invention.
Appended drawing reference in figure: 1 is dovetail groove, and 1a is bracket, and 1b is cover board, and 1d is crossbeam, and 1e is support, and 2 be automatic horizontal
To positioning device, 2a is crank, and 2b is round pin, and 2c is idler wheel, and 2d is spring fastening, and 2e is spring, and 2f is seat board, and 2g is axis, 3
For manual lateral positioning device, 3a is positioning gear, and 3b is guide rail, and 3c is handle, and 3d is bar, and 3e is link block, and 3f is flexible
Spring composition, 3g are guide holder, and 3h is tapered end, and 3i is sliding block composition, and 4 be buffer unit, and 4a is buffer stopper.4b is strut rail, 4c
It is bottom gear, 5 be barricade, and 6 be chassis.
Specific embodiment
The present invention is further described With reference to embodiment, specific embodiment be to the principle of the invention into
One step explanation, does not limit the invention in any way, and same or like technology is protected without departing from the present invention with the present invention
Range.
In conjunction with attached drawing.
As shown, coiled material industrial railway carrier frame, including railway flat body frame 6, arranged for interval is fixed on chassis 6
There is the dovetail groove 1 wide at the top and narrow at the bottom placed for coiled material, 1 inclined-plane of dovetail groove is disposed with automatic horizontal positioning device 2, automatic lateral
Positioning device 2 is the crank-bar linkage structure being set under 1 inclined-plane of dovetail groove, and can be stretched out by the opening of inclined-plane setting scalable
Blocking arm for fixing coiled material；1 top layout of dovetail groove has manual lateral positioning device 3, and manual lateral positioning device 3 is set to
Between 1 top of dovetail groove, including bar 3d can moving and fix at the top of dovetail groove 1, for fixing coiled material.
The automatic horizontal positioning device 2 of the present invention constitutes blocking arm by crank 2a, round pin 2b, idler wheel 2c, further includes spring fastening
2d, spring 2e, seat board 2f and axis 2g, crank 2a is hinged by the axis 2e and bracket 1a under 1 inclined-plane of dovetail groove, and idler wheel 2c passes through circle
Pin 2b is mounted on the outer end crank 2a, and the lower end crank 2a and spring fastening 2d are hinged, and the one end spring 2e is mounted on spring fastening 2d,
The spring 2e other end is connect by seat board 2f with chassis 6.
The both ends lever 3d of manual lateral positioning device 3 of the present invention are respectively along the railroad for being set to 1 top of dovetail groove
Mobile, bar 3d is hollow structure, the operating mechanism of setting manual lateral positioning device 3 in hollow structure.Railroad is by solid
It is scheduled on the positioning gear 3a on the inside of the guide rail 3b and guide rail 3b at 1 top of dovetail groove to constitute, positioning gear 3a is arranged at intervals with locating slot；Gear
The both ends bar 3d have slide opening to be inserted in guide rail 3b realization movement；Operating mechanism forms 3f, cunning by handle 3c, link block 3e, adjustable spring
Block forms 3i, guide holder 3g and tapered end 3h composition link mechanism driving tapered end 3h and locating slot folding realizes that coiled material is laterally fixed.
In order to adapt to the fixation and transport of different coiled materials, 1 chamfered surface of dovetail groove is symmetrically installed with coiled material buffer unit 4,
Buffer unit 4 includes the embedded locating slot for being fixed on 1 chamfered surface of dovetail groove and the replaceable buffering of locating slot insertion fixation
Block 4a.And the thermal insulation layer for reserved installation flexible insulant material installation space can be arranged in 6 floor of chassis.
The bracket 1a and crossbeam 1d of trapezoidal skeleton and the folding of the outer surface bracket 1a covering are made of rectangular steel pipe for dovetail groove 1
Casting die cover board 1b and being weldingly fixed on chassis 6 is constituted；Bracket 1a and crossbeam 1d composition intersects network, on the inside of crossbeam 1d and
Support 1e is installed between chassis 6.
The present invention is provided with barricade 5 for preventing coiled material from skidding off vehicle frame in chassis two sides.
The following further describes the present invention with reference to the drawings:
As shown in Figure 1, coiled material industrial railway carrier frame includes several groups along the longitudinally arranged dovetail groove 1 of vehicle frame 6, in ladder
The slot bottom two sides of shape slot 1 are respectively arranged two groups of automatic horizontal positioning devices 2,1 top two sides of dovetail groove arrange two groups it is horizontal manually
To positioning device 3, automatic horizontal positioning device 2 and the mutual cooperation of manual lateral positioning device 3 are operated, and are applicable in and are loaded coil diameter
The a variety of common specifications and special requirement accumbency coiled material of the wide 500mm~2000mm of 900mm~2050mm, plate.On 1 surface of dovetail groove
Disconnectable buffer stopper 4a is installed directly to contact with coiled material, when especially delivering coil, buffer stopper 4a is according to loaded coil
Type difference replaceable, more effectively protection coil.When loading hot rolling coil, it is changed to buffer stopper 4a resistant to high temperature；It loads cold
When rolling coil, it is changed to the buffer stopper 4a of polyurethane material or rubber material.6 both ends of chassis are also respectively installed two groups and are ridden, convenient
Cao Zuo person lookout and operation to pedal.6 floor of chassis has thermal insulation layer, reserves the fire resistings such as installation plain edition alumina silicate silk blanket
The installation space of material can meet offline 300 DEG C~500 DEG C of coil of the requirement of transport, and 6 each section material therefor of chassis is just
Coil will not all be polluted under reason condition or high-temperature condition.
As shown in Figure 2,3, dovetail groove 1 is simmered into the bracket 1a of trapezoidal skeleton with rectangular steel pipe and the outer surface bracket 1a covers
Crimping part cover board 1b, the fixed buffer unit 4 of buffer stopper 4a is installed on 1 surface of dovetail groove, bracket 1a and crossbeam 1d are formed
Intersect network, it is corresponding on the inside of crossbeam 1d, support 1e is installed.
As shown in Figure 2,3, automatic horizontal positioning device 2 is by crank 2a, round pin 2b, idler wheel 2c, spring fastening 2d, spring
2e, seat board 2f and axis 2g assemble.Crank 2a is fixed on bracket 1a by axis 2g, and idler wheel 2c is mounted on song by round pin 2b
The upper end handle 2a constitutes blocking arm, and the lower end crank 2a and spring fastening 2d are hinged, and spring 2e is installed on spring fastening 2d, spring
The lower part support 2d is connect by seat board 2f with chassis.When coiled material is pressed on idler wheel 2c, crank 2a rotates counterclockwise around axis 2g,
It is sunk to while compressed spring 2e under 1 inclined-plane of dovetail groove, realizes coiled material transverse direction by adjusting manual lateral positioning device 3 at this time
Positioning.When coiled material is hung, by the effect of spring 2e elastic force, crank 2a rotates clockwise automatic horizontal positioning device 2 around axis 2g,
It automatically resets.In the wide coiled material of the fixed dimension board of loading, coiled material is put between automatic horizontal positioning device 2 and barricade 5.Erect
Blocking arm can meet coiled material located lateral function.
As shown in Figure 4,5, manual lateral positioning device 3 keeps off 3a, guide rail 3b, handle 3c, bar 3d, link block by positioning
3e, adjustable spring composition 3f, guide holder 3g, tapered end 3h, sliding block composition 3i assemble.Push bar 3d can be real to suitable position
The located lateral function of the existing wide coiled material of special requirement plate.The operating mechanism of manual lateral positioning device 3 is fixed by guide holder 3g
Inside bar 3d, the safety protection function of operating mechanism can be played.Operating process is: bar 3d can pass through guide rail 3b or so
Sliding.Bar 3d disposed inboard position gear 3a, positioning gear 3d on be provided with several locating slots, it can be achieved that bar 3d located lateral
Effect.When pulling handle 3c outward, tapered end 3h is detached from the locating slot of positioning 3a, bar 3d can be pushed to suitable position at this time
Clamping coiled material is set, realizes the located lateral function of the wide coiled material of special requirement plate.As release handle 3c, acted on by adjustable spring 3f,
Tapered end 3h enters the locating slot of positioning 3a, realizes the position locking effect of bar 3d.
The operating mechanism of manual lateral positioning device 3 can realize that operator pulls handle 3c in any side, can realize
Bar 3d unlocks and locking effect.Operating process is: when pulling any one side handle 3c, while compressing adjustable spring 3f,
Link block 3e is and then moved outward, and band movable slider composition 3i is mobile to both ends respectively, realizes synchronous unlocking action.Conversely, working as
When unclamping any one side handle 3c, being set in adjustable spring 3f by elastic force effect homing, link block 3e and then moves inward,
Band movable slider composition 3i is mobile to centre respectively, realizes genlocing movement.
Claims (8)
1. a kind of coiled material industrial railway carrier frame, including railway flat body frame, arranged for interval fixation is useful on the chassis
In the dovetail groove wide at the top and narrow at the bottom that coiled material is placed, it is characterised in that:
The dovetail groove inclined-plane is disposed with automatic horizontal positioning device, and automatic horizontal positioning device is set under dovetail groove inclined-plane
Crank-bar linkage structure, and the opening that can be arranged by inclined-plane stretches out telescopic blocking arm for fixing coiled material；
The dovetail groove top layout has manual lateral positioning device, and manual lateral positioning device is set to dovetail groove top
Between, including bar can moving and fix at the top of dovetail groove, for fixing coiled material.
2. coiled material industrial railway carrier frame according to claim 1, it is characterised in that: the automatic horizontal positioning device
Blocking arm is constituted by crank, round pin, idler wheel, further includes spring fastening, spring, seat board and axis, crank passes through axis and dovetail groove inclined-plane
Under bracket it is hinged, idler wheel is mounted on crank outer end by round pin, and crank lower end is hinged with spring fastening, and spring one end is mounted on
On spring fastening, the spring other end is connect by seat board with chassis.
3. coiled material industrial railway carrier frame according to claim 2, it is characterised in that: the manual lateral positioning device
Lever both ends moved respectively along the railroad for being set at the top of dovetail groove, bar is hollow structure, setting in hollow structure
The operating mechanism of manual lateral positioning device.
4. coiled material industrial railway carrier frame according to claim 3, it is characterised in that: the railroad is by being fixed on
Positioning on the inside of guide rail and guide rail at the top of dovetail groove, which is kept off, to be constituted, and positioning gear is arranged at intervals with locating slot；There is slide opening at bar both ends
It is inserted in guide rail and realizes movement；Operating mechanism is made of handle, link block, adjustable spring, sliding block forms, guide holder and tapered end are constituted
Link mechanism drives tapered end and locating slot folding to realize that coiled material is laterally fixed.
5. coiled material industrial railway carrier frame according to any one of claims 1 to 4, it is characterised in that: the dovetail groove
Chamfered surface is symmetrically installed with coiled material buffer unit, and buffer unit includes the embedded locating slot for being fixed on dovetail groove chamfered surface
The fixed replaceable buffer stopper with locating slot insertion.
6. coiled material industrial railway carrier frame according to claim 5, it is characterised in that: the dovetail groove is by rectangular steel pipe
The bracket and crossbeam and the crimping part cover board and being weldingly fixed on chassis of rack outer surface covering that trapezoidal skeleton is made are constituted；
Bracket intersects network with crossbeam composition, and support is equipped between cross rail inner and chassis.
7. coiled material industrial railway carrier frame according to claim 5, it is characterised in that: be arranged under the bottom frame floor face
There is the thermal insulation layer for reserved installation flexible insulant material installation space.
8. coiled material industrial railway carrier frame according to claim 5, it is characterised in that: the chassis two sides are provided with gear
Wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944662.2A CN108974038B (en) | 2018-08-19 | 2018-08-19 | Railway transportation frame special for coiled materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944662.2A CN108974038B (en) | 2018-08-19 | 2018-08-19 | Railway transportation frame special for coiled materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108974038A true CN108974038A (en) | 2018-12-11 |
| CN108974038B CN108974038B (en) | 2023-08-08 |
Family
ID=64553718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810944662.2A Active CN108974038B (en) | 2018-08-19 | 2018-08-19 | Railway transportation frame special for coiled materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108974038B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572995A (en) * | 2020-05-30 | 2020-08-25 | 徐州易尚饰家装饰工程有限责任公司 | Safety base for coil steel transportation |
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| 潘苛;: "卷钢运输专用平车的研制", 机械工程师, no. 04 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572995A (en) * | 2020-05-30 | 2020-08-25 | 徐州易尚饰家装饰工程有限责任公司 | Safety base for coil steel transportation |
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| Publication number | Publication date |
|---|---|
| CN108974038B (en) | 2023-08-08 |
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