CN112660837A - Guide rail steel finishing process - Google Patents
Guide rail steel finishing process Download PDFInfo
- Publication number
- CN112660837A CN112660837A CN202011384723.8A CN202011384723A CN112660837A CN 112660837 A CN112660837 A CN 112660837A CN 202011384723 A CN202011384723 A CN 202011384723A CN 112660837 A CN112660837 A CN 112660837A
- Authority
- CN
- China
- Prior art keywords
- steel
- unit
- stacking
- guide rail
- grouping
- 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
Abstract
The invention discloses a guide rail steel finishing process. The method comprises the following steps: the device comprises a conveying chain, a grouping steel supporting unit, an auxiliary grouping unit, a grouping needle blocking unit, a stacking and shaping unit and a steel taking unit. The grouping steel supporting unit, the grouping needle blocking unit, the stacking and shaping unit and the steel taking unit are sequentially arranged in a conveying chain area; the process comprises 1) finishing preparation; 2) grouping; 3) stacking and shaping; 4) preparing a next group of groups; 5) taking steel; according to the invention, through the special structure of the stacking and shaping unit, the guide rail steel finishing process can be simplified, the equipment investment is saved, the control difficulty is reduced, the finishing process time is greatly shortened, the system reliability is improved, the rolling line capacity is released, and the full-automatic production is realized.
Description
Technical Field
The invention relates to the field of automatic stacking for producing hot-rolled guide rail blanks in the metallurgical industry, in particular to a guide rail steel finishing process in the field of automatic stacking.
Background
After the guide rail steel is rolled out from the rolling line, the guide rail steel is cooled by a cooling bed, straightened by a straightening machine and cut to length and saw cut to form a guide rail blank meeting the national standard or market requirements, and then the guide rail blank is sorted, arranged and stacked, packaged and bundled to be convenient to store in transportation.
The shape of the guide rail steel is irregular T-shaped, different from the shape of the simple steel, and the automatic finishing and automatic stacking technology of the guide rail steel needs to be further developed. For a long time, domestic guide rail steel stacking is manual stacking, the weight of a single section steel reaches 500Kg, the labor intensity of workers is high, the efficiency is low, the production cost is high, and the safety cannot be guaranteed.
The guide rail steel finishing process comprises three sub-processes of steel splitting, steel stacking and shaping. The steel splitting process mainly separates single pieces of grouped guide rail steel input by a rolling line so as to facilitate the stacking of the subsequent steel stacking process; the steel stacking procedure stacks the single guide rail steel after being separated according to the stacking requirement, generally, the steel stacking process of the guide rail steel is divided into a plurality of simple actions, and a plurality of execution units cooperate to complete a steel stacking task; and in the shaping process, the stacked guide rail steels in the row are separated, shaped and arranged according to a specified interval so as to be conveniently stacked in a positive and negative crossing manner.
However, the existing equipment for the guide rail steel finishing process is very complicated, all the processes need to be interlocked, and the overall rhythm is slow; the debugging difficulty of the steel stacking procedure is high, the reliability of the cooperative work of a plurality of execution units is low, manual assistance is needed in the actual production process, and the labor force cannot be completely liberated; the number of actions and detection points is very large, the signal reliability is low in the environment that the iron oxide chips fly away, and faults are easy to occur, so that the normal production of a production line is influenced.
Disclosure of Invention
Aiming at the problems, the invention provides a guide rail finishing process with a simple structure.
In order to achieve the purpose, the guide rail finishing process is used for sequentially stacking and arranging the guide rail steels with specified quantity and postures on the conveying chain according to the stacking requirement, so that the subsequent automatic stacking is facilitated; the automatic steel-picking machine comprises a conveying chain, a grouping steel-supporting unit, an auxiliary grouping unit, a grouping needle-blocking unit, a stacking and shaping unit and a steel-picking unit; the finishing steps comprise:
1) preparing for arrangement; the grouping steel supporting unit 2 swings to a low position, the grouping needle blocking unit 4 blocks guide rail steel conveyed by the conveying chain 1, the bottom surface of a first step of a steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 is slightly lower than the chain surface, and a conveying trolley 6.1 on the steel taking unit 6 is positioned at a stacking and handing-over station;
2) grouping; the grouping support steel unit 2 swings to a high position to support the rear guide rail steel, the blocking needles 4.5 of the grouping blocking needle unit 4 descend below the chain surface, and the guide rail steel between the grouping blocking needle unit 4 and the grouping support steel unit 2 in the step 1) is conveyed to the upper part of the stacking and shaping unit 5 through the conveying chain 1;
3) stacking and shaping; the steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 is driven by a lifting hydraulic cylinder 5.3 to ascend by a step height, and the first step lifting of the first guide rail steel of the steel stacking and shaping supporting plate 5.6 is completed; then, the second guide rail steel is driven by the conveying chain 1 to move to the position above a second step of the steel stacking and shaping supporting plate 5.6, the steel stacking and shaping supporting plate 5.6 is driven by the lifting hydraulic cylinder 5.3 to ascend by a step height, and the second step of the steel stacking and shaping supporting plate 5.6 lifts the second guide rail steel; repeating the lifting process until the grouped guide rail steel is completely finished;
4) preparing a next group of groups; in the implementation process of the step 3), synchronously carrying out grouping preparation on the next group of guide rail steel; the blocking needle 4.5 of the grouping blocking needle unit 4 rises to the highest position, then the grouping steel supporting unit 2 swings to the low position, and the guide rail steel is transferred to the blocking needle 4.5 under the drive of the conveying chain 1; finally, the grouping steel supporting unit 2 swings to a high position to support the rear guide rail steel, and waits for the grouping step;
5) taking steel; the conveying trolley 6.1 of the steel taking unit 6 moves forwards to a steel taking station; the steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 moves to the initial position of the step 1) under the driving of the lifting hydraulic cylinder 5.3, and the finished guide rail steel is placed on a conveying tray 6.3 of the conveying trolley 6.1 to complete the guide rail steel handover; the conveying trolley 6.1 retreats backwards to the stacking and handing-over station to complete the steel taking process;
wherein, the steel-stacking shaping supporting plate is of a multi-step structure, the width of the guide rail steel bottom plate is greater than the width of each step and greater than 1/2 of the width of the guide rail steel bottom plate; the height of each step is greater than that of the guide rail steel bottom plate.
Furthermore, a groove is arranged at the concave right angle of each step, and a magnet unit is embedded in the groove.
According to the invention, through the special structure of the stacking and shaping unit, the guide rail steel finishing process can be simplified, the equipment investment is saved, the control difficulty is reduced, the finishing process time is greatly shortened, the system reliability is improved, the rolling line capacity is released, and the full-automatic production is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a grouped steel supporting unit in the embodiment of the invention;
FIG. 3 is a schematic diagram of an auxiliary grouping unit according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a group needle blocking unit according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a stacking and sizing unit according to an embodiment of the present invention;
FIG. 6 is a schematic view of the finishing start state of the embodiment of the present invention;
FIG. 7 is a diagram illustrating grouping steps according to an embodiment of the present invention;
FIG. 8 is a schematic illustration of stacking a first steel in accordance with an embodiment of the present invention;
FIG. 9 is a schematic illustration of a second steel being stacked and shaped according to an embodiment of the present invention;
FIG. 10 is a schematic illustration of stacking a third steel in accordance with an embodiment of the present invention;
FIG. 11 is a schematic illustration of stacking and sizing a fourth steel according to an embodiment of the present invention;
FIG. 12 is a schematic illustration of stacking and sizing a fifth steel in accordance with an embodiment of the present invention;
FIG. 13 is a schematic illustration of stacking and sizing a sixth steel according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of a steel-taking station of a steel-taking unit according to an embodiment of the present invention;
FIG. 15 is a schematic view of a finished rail steel joint according to an embodiment of the present invention;
FIG. 16 is a schematic diagram of the steel taking unit returning to the palletizing and transferring station in the embodiment of the invention;
Detailed Description
The invention is further described below with reference to the figures and examples.
The preferred embodiment:
as shown in fig. 1 to 5, a guide rail organizing system of the present invention: comprises a conveying chain 1, a grouping steel supporting unit 2, an auxiliary grouping unit 3, a grouping needle blocking unit 4, a stacking and shaping unit 5 and a steel taking unit 6. The grouping steel supporting unit 2, the grouping needle blocking unit 4, the stacking and shaping unit 5 and the steel taking unit 6 are sequentially arranged in the area of the conveying chain 1; the auxiliary grouping unit 3 is arranged above the front end of the grouping support steel unit 2 and matched with the grouping support steel unit 2 and the grouping needle blocking unit 4 to complete the grouping of guide rail steel in specified quantity according to the stacking requirement.
The grouping steel supporting unit 2 comprises a steel supporting fixing base 2.1, a hydraulic cylinder bearing seat 2.8, a crank arm bearing seat 2.2, a steel supporting hydraulic cylinder 2.4, a crank arm 2.3, a connecting rod 2.5, a steel supporting plate 2.6 and a steel supporting block 2.7, wherein the steel supporting fixing base 2.1 is embedded in a foundation, and the hydraulic cylinder bearing seat 2.8 and the crank arm bearing seat 2.2 are arranged on the steel supporting fixing base 2.1; the crank arm 2.3 is arranged on a crank arm bearing seat 2.2, one side of a cylinder body of the molten steel supporting hydraulic cylinder 2.4 is arranged on a hydraulic cylinder bearing seat 2.8, and the other side of the cylinder body is hinged with one end of the crank arm 2.3; the lower end of the connecting rod 2.5 is hinged with the other end of the crank arm 2.3, and the upper end of the connecting rod is hinged with the steel supporting plate 2.6; the steel supporting plate 2.6 is hinged with the fixed chain frame 1.1 and can swing up and down under the driving of a steel supporting hydraulic cylinder 2.4; and the steel supporting block 2.7 is arranged at the front end of the steel supporting plate 2.6 and is used for matching the grouping requirements of guide rail steels with different specifications.
Preferably, the upper surface of the steel supporting block 2.7 of the grouped steel supporting unit 2 should be at least 10mm lower than the upper surface of the conveying chain 1 when the steel supporting plate 2.6 swings to the low position, and the upper surface of the steel supporting block 2.7 should be at least 10mm higher than the upper surface of the conveying chain 1 when the steel supporting plate swings to the high position.
The auxiliary grouping unit 3 comprises a fixed support 3.1 and an auxiliary grouping block 3.2. Fixed bolster 3.1 fixed mounting is in conveying chain 1 top, supplementary grouping piece 3.2 is the structure of falling L shape, installs in fixed bolster 3.1 below through the bolt, supplementary grouping piece 3.2 can be changed according to different specification guide rail steels to guarantee that its lower surface should be higher than at least 5mm apart from the height of conveying chain 1 upper surface to the guide rail steel.
The grouping needle blocking unit 4 comprises a needle blocking fixing support 4.4, a cylinder seat 4.1, a cylinder 4.2, a pin shaft 4.3 and a needle blocking 4.5. The needle blocking fixing support 4.4 is provided with a sliding groove, and the needle blocking 4.5 is arranged in the sliding groove of the needle blocking fixing support 4.4 and can slide up and down along the sliding groove; the cylinder seat 4.1 is arranged at the lower part of the needle blocking fixing support 4.4, one side of the cylinder body 4.2 of the cylinder is arranged on the cylinder seat 4.1, and the other side of the cylinder body is hinged with the lower end of the needle blocking 4.5 through a pin shaft 4.3.
The stacking and shaping unit 5 comprises a fixed base 5.1, a bearing seat 5.2, a lifting slide rail 5.4, a lifting support 5.5, a lifting hydraulic cylinder 5.3, a steel stacking and shaping supporting plate 5.6 and a magnet unit 5.7. Unable adjustment base 5.1 buries underground in the ground in advance, lift slide rail 5.4 is vertical to be installed on unable adjustment base 5.1, lifting support 5.5 installs on lift slide rail 5.4, can follow lift slide rail 5.4 and slide from top to bottom. The bearing seat 5.2 is installed on the fixed base 5.1, one side of the cylinder body of the lifting hydraulic cylinder 5.3 is hinged with the bearing seat 5.2, and one side of the piston rod is hinged with the lifting support 5.5 and used for driving the lifting support 5.5 to move. Fold steel design layer board 5.6 and pass through bolt fixed mounting on lifting support 5.5 upper portion, can lift the guide rail steel according to piling up and the design requirement. The steel stacking shaping supporting plate 5.6 is of a step-shaped structure, and the step width height and the step number of the steel stacking shaping supporting plate are determined according to the quantity of guide rail steel and the stacking distance required by stacking; the concave right angle of the ladder is provided with a groove for embedding the magnet unit 5.7. The magnet unit 5.7 is arranged in a groove on the steel folding shaping supporting plate 5.6 and used for adsorbing and stabilizing the guide rail steel and preventing the guide rail steel from deviating in pose caused by equipment vibration and the like.
Preferably, the lifting slide rail 5.4 is of a frame structure, so as to improve the rigidity of the whole structure.
Preferably, the magnet unit 5.7 is tightly matched with the groove of the laminated steel shaping supporting plate 5.6, and the contact surface of the magnet unit 5.7 and the guide rail steel is about 5 mm.
The steel taking unit 6 comprises a conveying trolley 6.1, a slide rail 6.2 and a conveying tray 6.3. Slide rail 6.2 sets up gets steel station, pile up neatly handing-over station, delivery wagon 6.1 is installed on slide rail 6.2, can slide around the slide rail 6.2 to getting steel station, pile up neatly handing-over station, delivery tray 6.3 is installed on delivery wagon 6.1, and its structure is the same with pile up 5.6 of steel design layer board of piling up design unit 5, and its height is less than the highest position of piling up steel design layer board 5.6.
The rail steel finishing process in this embodiment is shown in fig. 6 to 16:
1) and (6) finishing preparation. The grouping steel supporting unit 2 swings to a low position, the grouping needle blocking unit 4 blocks the guide rail steel conveyed by the conveying chain 1, the bottom surface of a first step of a steel folding shaping supporting plate 5.6 of the stacking shaping unit 5 is slightly lower than the chain surface, and a conveying trolley 6.1 on the steel taking unit 6 is positioned at a stacking handover station, as shown in fig. 6.
2) And grouping. The grouping support steel unit 2 swings to a high position to support the rear guide rail steel, the blocking needles 4.5 of the grouping blocking needle unit 4 descend below the chain surface, and the guide rail steel between the grouping blocking needle unit 4 and the grouping support steel unit 2 in the step 1) is conveyed to the upper part of the stacking and shaping unit 5 through the conveying chain 1, as shown in fig. 7.
3) And (6) stacking and shaping. The steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 is driven by a lifting hydraulic cylinder 5.3 to ascend by a step height, and the first step lifting of the first guide rail steel of the steel stacking and shaping supporting plate 5.6 is completed; then, the second guide rail steel is driven by the conveying chain 1 to move to the position above a second step of the steel stacking and shaping supporting plate 5.6, the steel stacking and shaping supporting plate 5.6 is driven by the lifting hydraulic cylinder 5.3 to ascend by a step height, and the second step of the steel stacking and shaping supporting plate 5.6 lifts the second guide rail steel; the above-mentioned lifting process is repeated until the complete finishing of the 6 guide rail steels in the present embodiment is finished, as shown in fig. 8 to 13.
4) The next group of packets is prepared. And in the implementation process of the step 3), the preparation of grouping the next group of guide rail steel can be synchronously carried out. The blocking needle 4.5 of the grouping blocking needle unit 4 rises to the highest position, then the grouping steel supporting unit 2 swings to the low position, and the guide rail steel is transferred to the blocking needle 4.5 under the drive of the conveying chain 1; finally, the grouping and supporting steel unit 2 swings to the high position to support the rear guide rail steel, and waits for the grouping step, as shown in fig. 10.
5) And (5) taking steel. The transport trolley 6.1 of the steel-taking unit 6 is moved forward to the steel-taking station, as shown in fig. 14. And then, the steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 moves to the initial position of the step 1) under the driving of the lifting hydraulic cylinder 5.3, and the finished guide rail steel is placed on the conveying tray 6.3 of the conveying trolley 6.1 to complete guide rail steel handover, as shown in fig. 15. And finally, the conveying trolley 6.1 retreats backwards to the stacking and handing-over station to finish the steel taking process, as shown in figure 16.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (1)
1. A guide rail finishing process is used for sequentially stacking and arranging guide rail steels with specified quantity and postures on a conveying chain according to stacking requirements, and is convenient for subsequent automatic stacking; the method is characterized in that: the automatic steel-picking machine comprises a conveying chain, a grouping steel-supporting unit, an auxiliary grouping unit, a grouping needle-blocking unit, a stacking and shaping unit and a steel-picking unit; the finishing steps comprise:
1) preparing for arrangement; the grouping steel supporting unit 2 swings to a low position, the grouping needle blocking unit 4 blocks guide rail steel conveyed by the conveying chain 1, the bottom surface of a first step of a steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 is slightly lower than the chain surface, and a conveying trolley 6.1 on the steel taking unit 6 is positioned at a stacking and handing-over station;
2) grouping; the grouping support steel unit 2 swings to a high position to support the rear guide rail steel, the blocking needles 4.5 of the grouping blocking needle unit 4 descend below the chain surface, and the guide rail steel between the grouping blocking needle unit 4 and the grouping support steel unit 2 in the step 1) is conveyed to the upper part of the stacking and shaping unit 5 through the conveying chain 1;
3) stacking and shaping; the steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 is driven by a lifting hydraulic cylinder 5.3 to ascend by a step height, and the first step lifting of the first guide rail steel of the steel stacking and shaping supporting plate 5.6 is completed; then, the second guide rail steel is driven by the conveying chain 1 to move to the position above a second step of the steel stacking and shaping supporting plate 5.6, the steel stacking and shaping supporting plate 5.6 is driven by the lifting hydraulic cylinder 5.3 to ascend by a step height, and the second step of the steel stacking and shaping supporting plate 5.6 lifts the second guide rail steel; repeating the lifting process until the grouped guide rail steel is completely finished;
4) preparing a next group of groups; in the implementation process of the step 3), synchronously carrying out grouping preparation on the next group of guide rail steel; the blocking needle 4.5 of the grouping blocking needle unit 4 rises to the highest position, then the grouping steel supporting unit 2 swings to the low position, and the guide rail steel is transferred to the blocking needle 4.5 under the drive of the conveying chain 1; finally, the grouping steel supporting unit 2 swings to a high position to support the rear guide rail steel, and waits for the grouping step;
5) taking steel; the conveying trolley 6.1 of the steel taking unit 6 moves forwards to a steel taking station; the steel stacking and shaping supporting plate 5.6 of the stacking and shaping unit 5 moves to the initial position of the step 1) under the driving of the lifting hydraulic cylinder 5.3, and the finished guide rail steel is placed on a conveying tray 6.3 of the conveying trolley 6.1 to complete the guide rail steel handover; the conveying trolley 6.1 retreats backwards to the stacking and handing-over station to complete the steel taking process;
the steel stacking and shaping supporting plate is of a multi-step structure, and the width of the guide rail steel bottom plate is greater than 1/2 of the width of each step of step and greater than the width of the guide rail steel bottom plate; the height of each step is greater than that of the guide rail steel bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011384723.8A CN112660837B (en) | 2020-11-30 | 2020-11-30 | Guide rail steel finishing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011384723.8A CN112660837B (en) | 2020-11-30 | 2020-11-30 | Guide rail steel finishing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112660837A true CN112660837A (en) | 2021-04-16 |
| CN112660837B CN112660837B (en) | 2022-04-22 |
Family
ID=75400765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011384723.8A Active CN112660837B (en) | 2020-11-30 | 2020-11-30 | Guide rail steel finishing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112660837B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000226121A (en) * | 1999-02-05 | 2000-08-15 | Sekisui House Ltd | Stopper for preventing lowering of upper stage magazine |
| CN206244065U (en) * | 2016-12-09 | 2017-06-13 | 张彩仲 | Profile steel stacker with detent mechanism |
| CN106892276A (en) * | 2017-04-07 | 2017-06-27 | 马鞍山市双益机械制造有限公司 | A kind of profile steel stacker and its automatic marshalling, automatic stacking method |
| CN109956329A (en) * | 2019-03-29 | 2019-07-02 | 中冶华天南京工程技术有限公司 | Guide rail steel folded steel device |
-
2020
- 2020-11-30 CN CN202011384723.8A patent/CN112660837B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000226121A (en) * | 1999-02-05 | 2000-08-15 | Sekisui House Ltd | Stopper for preventing lowering of upper stage magazine |
| CN206244065U (en) * | 2016-12-09 | 2017-06-13 | 张彩仲 | Profile steel stacker with detent mechanism |
| CN106892276A (en) * | 2017-04-07 | 2017-06-27 | 马鞍山市双益机械制造有限公司 | A kind of profile steel stacker and its automatic marshalling, automatic stacking method |
| CN109956329A (en) * | 2019-03-29 | 2019-07-02 | 中冶华天南京工程技术有限公司 | Guide rail steel folded steel device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112660837B (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107826590A (en) | One kind storage intelligent sorting system | |
| CN107499929A (en) | A kind of full-automatic board sorts and by parcel post palletizing system | |
| CN202910526U (en) | Automated welding device for lifting type manual pallet truck | |
| CN203033676U (en) | Overturning demolding crane | |
| CN107235332A (en) | For the sheet material automatic material receiving palletizing apparatus in automobile front-rear axle production process | |
| CN207107864U (en) | A kind of full-automatic board sorts and by parcel post palletizing system | |
| CN107378355B (en) | Box three-dimensional positioning system and positioning method for robot welding automatic assembly line | |
| CN103801888A (en) | Ascending and descending type manual tray carriage automatic welding device | |
| CN112357594A (en) | Guide rail steel arrangement system | |
| CN202317673U (en) | Automatic production line of container | |
| CN112660837B (en) | Guide rail steel finishing process | |
| CN105540267A (en) | Grouping trolley of full-automatic profile steel stacking machine | |
| CN215438734U (en) | Guide rail steel arrangement system | |
| CN105173752B (en) | Numerical control multifunctional automatic conveying and stacking system for green bricks | |
| CN206720345U (en) | A kind of profile steel stacker | |
| CN210254970U (en) | Leaf spring assembly equipment pre-compaction production line | |
| CN112811194A (en) | Guide rail steel stacking and shaping integrated device | |
| CN105540269A (en) | Grouping positioning mechanism of full-automatic profile steel stacking machine | |
| CN203187149U (en) | Automatic transferring equipment for metal plates | |
| CN215248178U (en) | Guide rail steel stacking and shaping integrated device | |
| CN214166639U (en) | Steel shaping supporting plate is folded to guide rail steel | |
| CN109956305B (en) | Guide rail steel divides steel turnover integrative device | |
| CN214778751U (en) | Section steel translation pile up neatly device | |
| CN202316553U (en) | Roller way loading device | |
| CN205471669U (en) | Marshalling dolly of full -automatic shaped steel hacking machine |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220307 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant after: MCC Huatian Nanjing Engineering Technology Co., Ltd Address before: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |