CN105679157A - Hydraulic teaching practical-training platform based on Germany VDE and BIBB standards - Google Patents
Hydraulic teaching practical-training platform based on Germany VDE and BIBB standards Download PDFInfo
- Publication number
- CN105679157A CN105679157A CN201610222284.8A CN201610222284A CN105679157A CN 105679157 A CN105679157 A CN 105679157A CN 201610222284 A CN201610222284 A CN 201610222284A CN 105679157 A CN105679157 A CN 105679157A
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- China
- Prior art keywords
- hydraulic
- oil
- web plate
- bibb
- vde
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- YOCIJWAHRAJQFT-UHFFFAOYSA-N 2-bromo-2-methylpropanoyl bromide Chemical compound CC(C)(Br)C(Br)=O YOCIJWAHRAJQFT-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 235000004443 Ricinus communis Nutrition 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 76
- 239000012530 fluid Substances 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
-
- 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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
- G09B25/025—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery hydraulic; pneumatic
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Business, Economics & Management (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a hydraulic teaching practical-training platform based on Germany VDE and BIBB standards, and belongs to the field of teaching practical-training devices. The hydraulic teaching practical-training platform is characterized by comprising a control cabinet, the front side of the upper end surface of the control cabinet is provided with a control panel, a cabinet body behind the control panel is provided with a hydraulic element installing web plate which is arranged in an inclined manner, a wedge-shaped web plate support is arranged at the two sides of the hydraulic element installing web plate, a oil pump assembly is arranged behind the hydraulic element installing web plate, and the hydraulic element installing web plate is provided with an oil way connecting block assembly, a oil dividing block assembly, a three-position four-way manual reversing valve and an oil return header pipe assembly, and the assemblies except hydraulic cylinders are all mounted on the hydraulic element installing web plate via a soleplate. The hydraulic teaching practical-training platform has the advantages of reasonable structure, flexible and convenient use and good practical training effect. The hydraulic teaching practical-training platform includes different types of hydraulic training devices, the hydraulic training devices can be combined flexibly, and training relates to multiple themes instead of one theme.
Description
Technical field
The invention belongs to teaching training apparatus field, be specifically related to a kind of hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard.
Background technology
Hydraulic pressure, as one of a kind of common, important industrial kind of drive, plays very important effect in industrial automation system, and as professional and technical personnel, grasp hydraulic technique, hydraulic control technology are very necessary. But not having specialized hydraulic pressure instructional device at present, student can only learn mostly theoretically, it is impossible to accomplishes that theory and combining is put into practice, even if there being some hydraulic pressure demonstration equipments, also great majority are industrial hydraulic means, and it can not be applicable to teaching, and teaching efficiency is very limited.
Summary of the invention
It is an object of the invention to solve currently without specialized hydraulic pressure instructional device, the defect of learning effect difference is there is in student when learning hydraulic technique, a kind of hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard is provided, it arranges multiple hydraulic means, student is while theory study, can carrying out practice teaching, learning effect is good.
The present invention is achieved by the following technical solution:
I.e. a kind of hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard, it is characterized in that including switch board, it is provided with control panel on front side of the upper surface of switch board, the cabinet at control panel rear is provided with the Hydraulic Elements being obliquely installed and installs web plate, the both sides of Hydraulic Elements installation web plate are provided with the web plate support of wedge shape, described Hydraulic Elements are installed the rear of web plate and are provided with oil pump assy, Hydraulic Elements are installed web plate and are provided with oil circuit contiguous block assembly, divide oil clot assembly, 3-position 4-way hand-operated direction valve, oil return manifold assemblies, in above-mentioned each assembly in addition to hydraulic cylinders, remaining component is fixed on Hydraulic Elements respectively through mounting seat and installs on web plate.
Point oil clot assembly of the present invention includes a point oil clot, point oil clot support, Pressure gauge, Pressure gauge adapter composition, and described point of oil clot is arranged on point oil clot support, and Pressure gauge is connected with a point oil clot by Pressure gauge adapter.
The effect of point oil clot of the present invention is that the oily stream of an oil circuit is divided into a few road, delivers to different loops respectively, or is pooled in an oil circuit by the oily stream of different circuit. Pressure gauge and a point oil clot are linked together by Pressure gauge adapter, are used for measuring oil pressure in oil circuit, Pressure gauge adapter or an antivibrator, reduce pressure fluctuation to manometric impact; Oil clot support is divided to be used to support point oil clot.
The oil circuit contiguous block assembly of the present invention includes two-position four-way solenoid directional control valve, three-position four-way electromagnetic directional valve, solenoid directional control valve rosette, oil circuit contiguous block and oil circuit contiguous block mounting seat, and two-position four-way solenoid directional control valve, three-position four-way electromagnetic directional valve, solenoid directional control valve rosette, oil circuit contiguous block are arranged in oil circuit contiguous block mounting seat.
The effect of the oil circuit contiguous block of the present invention is then used to install two-bit triplet reversal valve and three position four-way directional control valve, and will be coupled together with the corresponding valve port that commutates by the corresponding oil circuit of the pressure oil circuit of point oil clot and oil return line and each executor (oil cylinder).
The hydraulic cylinder of the present invention has two, is arranged on Hydraulic Elements respectively through hydraulic cylinder leg and installs on web plate, and the oil port of hydraulic cylinder is provided with pipe joint.
The oil return manifold assemblies of the present invention includes oil return house steward and oil circuit straight coupling, is connected by screw thread drill holder between described oil circuit straight coupling and oil return house steward.
Control panel is provided with emergency stop switch, control knob, selection switch, input signal jack units, supply hub unit, output signal jack unit, analog input simulator unit, analog quantity display unit, human-computer interaction interface and communication interface.
Emergency stop switch, in real training occur thunder bolt time emergency shutdown;
The control knob of manual operation 5 and two, selection switch, for manually adjusting in real training and sending start signal;
Input signal jack units is provided with 16 signal jacks of two rows, for the access of hydraulic actuator operating state signal;
Supply hub unit is provided with 8 supply hubs of a row, for needing the equipment of power supply to power in real training;
Output signal jack unit is provided with 16 output signal jack of two rows, for executor's incoming control signal in real training;
Analog input simulator unit is provided with four analog input simulators, for analogsimulation amount signal;
Analog quantity display unit, the intuitively intensity of display simulation signal;
Human-computer interaction interface, is used for inputting control signal or monitoring equipment running status;
Communication interface, the on-line interface of large-scale practical training project.
The bottom of the cabinet of the present invention is provided with castor assembly. It is moved easily, it is simple to student's training operation. The castor assembly of the present invention is prior art products, arranges castor and service brake, is moved easily and fixes.
The present invention has advantage rational in infrastructure, flexible and convenient to use, that teaching result is good. The present invention comprises multiple hydraulic pressure training set, and multiple hydraulic pressure training sets can flexible combination be arranged in pairs or groups, and exercise is not relate only to a theme, but the fusion of multiple theme, the present invention may be used for the foundation training of these technical fields and profound content training.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
As shown in FIG.: 1. castor assembly; 2. switch board; 3. oil pump assy; 4. web plate support; 5. point oil clot support; 6. Pressure gauge adapter; 7. Pressure gauge; 8. oil circuit contiguous block mounting seat; 9. oil circuit contiguous block; 10. three-position four-way electromagnetic directional valve; 11. two-position four-way solenoid directional control valve;12. solenoid directional control valve rosette; 13. Hydraulic Elements install web plate; 14. pipe joint; 15. hydraulic cylinder; 16. hydraulic cylinder; 17. hydraulic cylinder leg; 18. 3-position 4-way manual reverse of direction hydraulic valve mounting seat; 19. 3-position 4-way manual reverse of direction hydraulic valve; 20. screw thread drill holder; 21. oil circuit straight coupling; 22. point oil clot; 23. oil return house steward; 24. control panel; 25. emergency stop switch; 26. control knob; 27. select switch; 28. input signal jack units; 29. supply hub unit; 30. output signal jack unit; 31. analog input simulator unit; 32. analog quantity display unit; 33. human-computer interaction interface; 34. communication interface.
Detailed description of the invention
As shown in Figure 1: the bottom of switch board 2 is provided with 4 castor assemblies 1, castor assembly 4 includes castor and service brake, the control panel 24 being obliquely installed it is provided with on front side of the upper surface of switch board 2, control panel 24 is provided with 1 emergency stop switch 25, 5 control knobs 26, 2 selection switches 27, input signal jack units 28 (two 16 signal jacks of row), supply hub unit 29 (8 supply hubs of row), output signal jack unit 30 (two 16 output signal jack of row), analog input simulator unit 31 (4 analog input simulators), analog quantity display unit 32, human-computer interaction interface 33 and communication interface 34. control panel 24 rear is provided with the Hydraulic Elements being obliquely installed and installs web plate 13, the both sides of Hydraulic Elements installation web plate 13 are provided with the web plate support 4 of wedge shape, Hydraulic Elements are installed the rear of web plate 13 and are provided with hydraulic cylinder assembly 3, Hydraulic Elements are installed the downside of web plate 13 and are provided with point oil clot assembly and oil return manifold assemblies, oil clot assembly is divided to include point oil clot 22, point oil clot support 5, Pressure gauge 7 and Pressure gauge adapter 6, oil return manifold assemblies includes oil return house steward 23 and oil circuit straight coupling 21, is coupled by screw thread drill holder 20 between oil return house steward 23 and oil circuit straight coupling 21. Hydraulic Elements are installed the middle part of web plate 13 and are provided with 3-position 4-way manual reverse of direction hydraulic valve 19 and oil circuit contiguous block assembly, 3-position 4-way manual reverse of direction hydraulic valve 19 is fixed on Hydraulic Elements by 3-position 4-way manual reverse of direction hydraulic valve mounting seat 18 and installs on web plate 13, oil circuit contiguous block assembly includes two-position four-way solenoid directional control valve 11, three-position four-way electromagnetic directional valve 10, solenoid directional control valve rosette 12, oil circuit contiguous block 9 and oil circuit contiguous block mounting seat 8, Hydraulic Elements are installed the top of web plate 13 and are provided with hydraulic cylinder 15, hydraulic cylinder 16, two hydraulic cylinders are fixed on Hydraulic Elements respectively through hydraulic cylinder leg 17 and install on web plate 13, two hydraulic cylinders are respectively provided with pipe joint 14.
When the present invention uses, can be stretched out and retraction movement by the piston rod that 3-position 4-way manual reverse of direction hydraulic valve 19 manipulates double acting cylinder, the button on control panel 24 can also be passed through to PLC sender, through PLC according to the positional information of hydraulic cylinder by pre-set programs computing after send control message, control three-position four-way electromagnetic directional valve 10 and control stretching out and retraction movement of another cylinder piston rod.
When behind practical traning platform energising source, press hydraulic starting button, hydraulic pump starts, hydraulic oil enters point oil clot 22 (operating pressure of Pressure gauge instruction hydraulic system) with Pressure gauge 7 through pressure oil pipe, the oil-in of 3-position 4-way manual reverse of direction hydraulic valve 19 it is sent to through point oil clot 22 fluid one tunnel, another road is then sent to three-position four-way electromagnetic directional valve 10 and the oil-in of two-position four-way solenoid directional control valve 11 oil circuit coupling 9 below, enters again three-position four-way electromagnetic directional valve 10 and the oil-in of two-position four-way solenoid directional control valve 11 through oil circuit coupling 9.
Two hydraulic fluid ports on 3-position 4-way manual reverse of direction hydraulic valve 19 top are connected respectively on two hydraulic fluid ports of left side hydraulic cylinder 16 through hydraulic oil pipe, when pulling to the right the handle of 3-position 4-way manual reverse of direction hydraulic valve 19, hydraulic oil enters the left oil pocket of left side hydraulic cylinder 16 through 3-position 4-way manual reverse of direction hydraulic valve 19, piston rod starts to stretch out, when handle returns to centre position, piston rod stops stretching out, if handle is pulled to the right always, till piston rod will reach whole stroke. If handle wrench is to the left side, piston rod will be retracted, and at this moment the handle of 3-position 4-way manual reverse of direction hydraulic valve 19 returns to intermediate piston bar by stopping retraction. Amplitude of the pulling size of 3-position 4-way manual reverse of direction hydraulic valve 19 control crank can control the speed of piston rod movement speed, and the speed of the more big piston rod movement of the amplitude moved is more fast, otherwise then slow. When piston rod moves under the promotion of pressure oil, the fluid of opposite side returns to the oil return opening of 3-position 4-way manual reverse of direction hydraulic valve 19 through oil pipe and returns to point oil clot 22 then through oil return pipe and arrive oil return house steward 23 again and return fuel tank.
The oil return opening of three-position four-way electromagnetic directional valve 10 oil return line on oil circuit contiguous block 9 is connected on oil return house steward with a point oil clot 9 through oil pipe again. The another two mouth of three-position four-way electromagnetic directional valve 10 is connected respectively on two hydraulic fluid ports of right side hydraulic cylinder 15 through the another two oil circuit of oil circuit contiguous block 9.
When the present invention uses, multiple hydraulic pressure training sets can flexible combination be arranged in pairs or groups, and exercise is not relate only to a theme, but the fusion of multiple theme, the present invention may be used for the foundation training of these technical fields and profound content training.
Claims (7)
1. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard, it is characterized in that including switch board, it is provided with control panel on front side of the upper surface of switch board, the cabinet at control panel rear is provided with the Hydraulic Elements being obliquely installed and installs web plate, the both sides of Hydraulic Elements installation web plate are provided with the web plate support of wedge shape, described Hydraulic Elements are installed the rear of web plate and are provided with oil pump assy, Hydraulic Elements are installed web plate and are provided with oil circuit contiguous block assembly, divide oil clot assembly, 3-position 4-way hand-operated direction valve, oil return manifold assemblies, in above-mentioned each assembly in addition to hydraulic cylinders, remaining component is fixed on Hydraulic Elements respectively through mounting seat and installs on web plate.
2. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard according to claim 1, it is characterized in that a point oil clot assembly includes a point oil clot, point oil clot support, Pressure gauge, Pressure gauge adapter composition, described point of oil clot is arranged on point oil clot support, and Pressure gauge is connected with a point oil clot by Pressure gauge adapter.
3. hydraulic pressure practice teaching table according to claim 1, it is characterized in that oil circuit contiguous block assembly includes two-position four-way solenoid directional control valve, three-position four-way electromagnetic directional valve, solenoid directional control valve rosette, oil circuit contiguous block and oil circuit contiguous block mounting seat, two-position four-way solenoid directional control valve, three-position four-way electromagnetic directional valve, solenoid directional control valve rosette, oil circuit contiguous block are arranged in oil circuit contiguous block mounting seat.
4. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard according to claim 1, it is characterised in that hydraulic cylinder has two, is arranged on Hydraulic Elements respectively through hydraulic cylinder leg and installs on web plate, and the oil port of hydraulic cylinder is provided with pipe joint.
5. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard according to claim 1, it is characterised in that oil return manifold assemblies includes oil return house steward and oil circuit straight coupling, is connected by screw thread drill holder between described oil circuit straight coupling and oil return house steward.
6. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard according to claim 1, it is characterised in that the bottom of switch board is provided with castor assembly.
7. the hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard according to claim 1, it is characterised in that control panel is provided with emergency stop switch, control knob, selection switch, input signal jack units, supply hub unit, output signal jack unit, analog input simulator unit, analog quantity display unit, human-computer interaction interface and communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222284.8A CN105679157B (en) | 2016-04-11 | 2016-04-11 | Hydraulic practice teaching table based on German VDE and BIBB standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222284.8A CN105679157B (en) | 2016-04-11 | 2016-04-11 | Hydraulic practice teaching table based on German VDE and BIBB standard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679157A true CN105679157A (en) | 2016-06-15 |
| CN105679157B CN105679157B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222284.8A Active CN105679157B (en) | 2016-04-11 | 2016-04-11 | Hydraulic practice teaching table based on German VDE and BIBB standard |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481611A (en) * | 2017-09-13 | 2017-12-15 | 中国人民解放军陆军装甲兵学院 | The hydraulic system teaching aid that can be improved the quality of teaching |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1376219A (en) * | 1971-06-04 | 1974-12-04 | Festo Maschf Stoll G | Instructional assembly kit |
| US5009067A (en) * | 1988-10-06 | 1991-04-23 | Vickers, Incorporated | Power transmission |
| CN2245249Y (en) * | 1995-08-18 | 1997-01-15 | 周明 | Hydraulic transmission system demonstrator |
| CN2646453Y (en) * | 2003-09-23 | 2004-10-06 | 郭晓松 | Hydraulic workbench |
| CN2791781Y (en) * | 2005-03-11 | 2006-06-28 | 黄伟明 | Teaching experiment demonstration device and teaching apparatus used therefor |
| CN200947075Y (en) * | 2006-07-11 | 2007-09-12 | 谢永杰 | Multifunctional hydraulic tester |
| CN201035819Y (en) * | 2006-09-20 | 2008-03-12 | 浙江天煌科技实业有限公司 | Hydraulic transmission teaching experiment device |
| CN201804489U (en) * | 2009-12-06 | 2011-04-20 | 山西方盛液压机电设备有限公司 | Hydraulic teaching experiment table |
| CN205810217U (en) * | 2016-04-11 | 2016-12-14 | 山东莱茵科技设备有限公司 | Hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard |
-
2016
- 2016-04-11 CN CN201610222284.8A patent/CN105679157B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1376219A (en) * | 1971-06-04 | 1974-12-04 | Festo Maschf Stoll G | Instructional assembly kit |
| US5009067A (en) * | 1988-10-06 | 1991-04-23 | Vickers, Incorporated | Power transmission |
| CN2245249Y (en) * | 1995-08-18 | 1997-01-15 | 周明 | Hydraulic transmission system demonstrator |
| CN2646453Y (en) * | 2003-09-23 | 2004-10-06 | 郭晓松 | Hydraulic workbench |
| CN2791781Y (en) * | 2005-03-11 | 2006-06-28 | 黄伟明 | Teaching experiment demonstration device and teaching apparatus used therefor |
| CN200947075Y (en) * | 2006-07-11 | 2007-09-12 | 谢永杰 | Multifunctional hydraulic tester |
| CN201035819Y (en) * | 2006-09-20 | 2008-03-12 | 浙江天煌科技实业有限公司 | Hydraulic transmission teaching experiment device |
| CN201804489U (en) * | 2009-12-06 | 2011-04-20 | 山西方盛液压机电设备有限公司 | Hydraulic teaching experiment table |
| CN205810217U (en) * | 2016-04-11 | 2016-12-14 | 山东莱茵科技设备有限公司 | Hydraulic pressure practice teaching table based on Germany's VDE and BIBB standard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481611A (en) * | 2017-09-13 | 2017-12-15 | 中国人民解放军陆军装甲兵学院 | The hydraulic system teaching aid that can be improved the quality of teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105679157B (en) | 2018-11-30 |
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Denomination of invention: Hydraulic teaching practical-training platform based on Germany VDE and BIBB standards Effective date of registration: 20200727 Granted publication date: 20181130 Pledgee: Zibo Xinrun financing Company limited by guarantee Pledgor: Shandong Rhinecoster Intelligent Technology Co.,Ltd. Registration number: Y2020980004423 |
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Denomination of invention: Hydraulic teaching and training platform based on German VDE and Bibb standards Effective date of registration: 20211012 Granted publication date: 20181130 Pledgee: Zibo Xinrun financing Company limited by guarantee Pledgor: Shandong Rhinecoster Intelligent Technology Co.,Ltd. Registration number: Y2021980010568 |
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Denomination of invention: Hydraulic Teaching and Training Platform Based on German VDE and BIBB Standards Granted publication date: 20181130 Pledgee: Zibo Branch of Bank of Communications Co.,Ltd. Pledgor: Shandong Rhinecoster Intelligent Technology Co.,Ltd. Registration number: Y2024980003758 |