CN107713543A - A kind of traffic machinery sale platform for being easy to regulation - Google Patents

A kind of traffic machinery sale platform for being easy to regulation Download PDF

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Publication number
CN107713543A
CN107713543A CN201710895919.5A CN201710895919A CN107713543A CN 107713543 A CN107713543 A CN 107713543A CN 201710895919 A CN201710895919 A CN 201710895919A CN 107713543 A CN107713543 A CN 107713543A
Authority
CN
China
Prior art keywords
fixedly connected
under casing
symmetrical
away
easy
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.)
Withdrawn
Application number
CN201710895919.5A
Other languages
Chinese (zh)
Inventor
张勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangyin Yongchang Traffic Machinery Parts Co Ltd
Original Assignee
Jiangyin Yongchang Traffic Machinery Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangyin Yongchang Traffic Machinery Parts Co Ltd filed Critical Jiangyin Yongchang Traffic Machinery Parts Co Ltd
Priority to CN201710895919.5A priority Critical patent/CN107713543A/en
Publication of CN107713543A publication Critical patent/CN107713543A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10Adjustable or foldable or dismountable display stands
    • A47F5/101Display racks with slotted uprights
    • A47F5/103Display shelving racks with the uprights aligned in only one plane
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10Adjustable or foldable or dismountable display stands
    • A47F5/106Adjustable or foldable or dismountable display stands with independent pillars
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/16Platform-type show stands with flat, inclined, or curved upper surface

Landscapes

  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

The invention discloses a kind of traffic machinery sale platform for being easy to regulation, including under casing, the madial wall of the under casing is fixedly connected with two symmetrical motors, the output end of each motor has been fixedly connected with pole, the inner roof wall of under casing is fixedly connected with two symmetrical solid top plates, the one side that two fixed plates are located remotely from each other has been fixedly connected with bearing, and the one end of pole away from motor is fixedly connected with the inner ring of bearing.This is easy to the traffic machinery sale platform of regulation, the position of pressing plate can be improved and be reduced, the effect for fixing the device is reached, avoid the slip of the sale platform during use, the position of limited block can be improved and be fallen, one end of folded plate can be lifted, realize and folded plate is left behind and is folded in the outside of position-limited box, improve the stationarity and controllability of the device, user can be allowed preferably to move the device to the position of demand, improve the mobility of the device.

Description

A kind of traffic machinery sale platform for being easy to regulation
Technical field
The present invention relates to traffic machinery technical field, specially a kind of traffic machinery sale platform for being easy to regulation.
Background technology
Traffic refers to people that are all through instruments such as train, automobile, motorcycle, steamer and aircrafts, or only leaning on manpower to carry out Stream, the transport that exchanges of passenger flow and flow of goods, but extensive interpretation also comprising postal delivery and telecommunications two in terms of, the is belonged in national economy Three industries, sale refer to the behavior for providing product or service to third party in a manner of selling, lease or other are any, including to promote Enter the relevant special operations of behavior progress, such as the activity such as advertisement, promotion, exhibition and service, in other words, sale refers to realize The activity of enterprise's production results, is the activity for serving client, and traffic machinery needs to put on display it after production and processing Sell, generally require a kind of sale platform of traffic machinery.
Existing traffic machinery sale platform easily causes sale platform table space and fixed, be not easy to during use Its position is adjusted, is not easy to move and fixed, have impact on the efficiency used, therefore, we have proposed a kind of friendship for being easy to regulation Logical mechanical sales platform.
The content of the invention
(One)The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of traffic machinery sale platform for being easy to regulation, solve existing The problem of traffic machinery sale platform is inconvenient to adjust.
(Two)Technical scheme
To achieve the above object, the present invention provides following technical scheme:A kind of traffic machinery sale platform for being easy to regulation, including bottom Case, the madial wall of the under casing are fixedly connected with two symmetrical motors, and the output end of each motor is fixedly connected with There is pole, the inner roof wall of the under casing is fixedly connected with two symmetrical solid top plates, what two fixed plates were located remotely from each other One side has been fixedly connected with bearing, and the one end of pole away from motor is fixedly connected with the inner ring of bearing, the pole appearance The annulus being adapted with pole is socketed with the middle part of face, the outer surface of the annulus is fixedly connected with head rod, the bottom The inside of case is placed with two symmetrical groove blocks, and two one end of the head rod away from annulus are located at two respectively The inside of groove block, the inwall of the groove block is fixed by the one end of pin and head rod away from annulus to be hinged, described Be fixedly connected with the second connecting rod in the middle part of groove block bottom surface, the inner bottom wall of the under casing offer two it is symmetrical spacing Hole.
Electric pushrod is fixedly connected with the middle part of the under casing inner bottom wall, is fixedly connected with the middle part of the under casing upper surface Position-limited box, first through hole is offered in the middle part of the under casing upper surface, the second through hole is offered in the middle part of the position-limited box bottom surface, And second through hole be connected with first through hole, the telescopic end of the electric pushrod sequentially passes through first through hole and the second through hole and prolonged The inside of position-limited box is extended, the telescopic end of the electric pushrod is fixedly connected with limited block, and the lateral surface of the limited block is fixed Two symmetrical limited posts are connected with, the madial wall of the position-limited box offers two symmetrical slideways, and two spacing The one end of post away from limited block extends through two slideways and extends to the outside of position-limited box, and the limited post is away from limited block One end is fixedly connected with the first limiting plate, and the outer surface of first limiting plate is fixedly hinged with pull bar by the first removable pin, The upper surface of the position-limited box is fixedly connected with top plate, and the left surface of the top plate and the right flank of top plate pass through two hinges It is fixedly hinged with folded plate.
Preferably, the described one end of second connecting rod away from groove block through spacing hole and extends to the lower section of under casing, institute State the one end of the second connecting rod away from groove block and be fixedly connected with pressing plate.
Preferably, the bottom surface of each folded plate has been fixedly connected with the second limiting plate, and each pull bar is away from spacing One end of plate is fixed be hinged by the outer surface of the second removable pin and the second limiting plate.
Preferably, the upper surface of the under casing is fixedly connected with two symmetrical baffle plates, and position-limited box is positioned at two gears Between plate.
Preferably, the bottom surface of the under casing is fixedly hinged with two groups of symmetrical pulleys, and the quantity of every group of pulley is extremely It is two less.
Preferably, the upper surface of the horizontal plane where the top plate and under casing is in flat shape shape, and two folded plates are located remotely from each other One side between horizontal length value be more than under casing upper surface horizontal length value.
(Three)Beneficial effect
The invention provides a kind of traffic machinery sale platform for being easy to regulation, possesses following beneficial effect:
(1)This is easy to the traffic machinery sale platform of regulation, passes through the motor that is provided with casing, pole, annulus, the first connection Bar, groove block and the second connecting rod, with the use of spacing hole and pressing plate, the position of pressing plate can be improved and reduced, reached To the effect for fixing the device, avoid the slip of the sale platform during use, by electric pushrod, first through hole, Second through hole, limited block and limited post, the position of limited block can be improved and be fallen, it is then spacing with the use of first Plate, the first removable pin, pull bar, the second removable pin, the second limiting plate and folded plate, one end of folded plate can be lifted, be passed through Top plate and hinge, realize and folded plate left behind and is folded in the outside of position-limited box, improve the device stationarity and can Modulability.
(2)This is easy to the traffic machinery sale platform of regulation, by the pulley being provided with, user can be allowed preferably to move Some debris that need not be sold, by the baffle plate of under casing upper surface, can be placed, carried to the position of demand by the device The high mobility of the device.
Brief description of the drawings
Fig. 1 is the front view of under casing of the present invention;
Fig. 2 is the sectional view of under casing front view of the present invention.
In figure:1 under casing, 2 motors, 3 poles, 4 annulus, 5 second through holes, 6 position-limited box, 7 slideways, 8 first limiting plates, 9 Two limiting plates, 10 folded plates, 11 second removable pins, 12 pull bars, 13 top plates, 14 limited blocks, 15 hinges, 16 limited posts, 17 first are lived Dynamic pin, 18 first through hole, 19 baffle plates, 20 head rods, 21 pins, 22 groove blocks, 23 second connecting rods, 24 spacing holes, 25 Fixed plate, 26 electric pushrods, 27 bearings, 28 pulleys, 29 pressing plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme:A kind of traffic machinery sale platform for being easy to regulation, including Under casing 1, the bottom surface of under casing 1 are fixedly hinged with two groups of symmetrical pulleys 28, and the quantity equal at least two of every group of pulley 28, Can more easily allow user to move the device to the position of demand, the madial wall of under casing 1 be fixedly connected with two it is symmetrical Motor 2, the output end of each motor 2 has been fixedly connected with pole 3, the inner roof wall of under casing 1 be fixedly connected with two it is symmetrical Solid top plate 25, the one side that two fixed plates 25 are located remotely from each other has been fixedly connected with bearing 27, and pole 3 is away from motor 2 One end is fixedly connected with the inner ring of bearing 27, and the annulus 4 being adapted with pole 3, annulus 4 are socketed with the middle part of the outer surface of pole 3 Outer surface be fixedly connected with head rod 20, the inside of under casing 1 is placed with two symmetrical groove blocks 22, two first The one end of connecting rod 20 away from annulus 4 respectively positioned at the inside of two groove blocks 22, the inwall of groove block 22 by pin 21 with The one end of head rod 20 away from annulus 4, which is fixed, to be hinged, and the second connecting rod 23 is fixedly connected with the middle part of the bottom surface of groove block 22, The inner bottom wall of under casing 1 offers two symmetrical spacing holes 24, and second one end of connecting rod 23 away from groove block 22 is through limit Position hole 24 simultaneously extends to the lower section of under casing 1, and second one end of connecting rod 23 away from groove block 22 is fixedly connected with pressing plate 29, can Pressing fixation preferably is carried out to the device, avoids its device during use from causing that slides to ask due to insecure Topic.
Electric pushrod 26 is fixedly connected with the middle part of the inner bottom wall of under casing 1, electric pushrod 26 is also known as linear actuator, is rotation Motor extends in one kind of configuration aspects, and one kind that electric pushrod 26 is mainly made up of mechanisms such as motor bar and control devices is new Type straight line executing mechanism, electric pushrod 26 are a kind of electricity for the straight reciprocating motion that the rotary motion of motor is changed into push rod Force driving device, available in various simple or complicated technological process as perform machinery use, with realize far distance controlled, Centralized Control automatically controls, and the principle of electric pushrod 26 is that the rotation motion of motor is in line motion, and utilization is electronic Putter action is completed in machine rotating, and electric pushrod 26 is the equipment well known to prior art, and the middle part of the upper surface of under casing 1, which is fixed, to be connected Position-limited box 6 is connected to, the upper surface of under casing 1 is fixedly connected with two symmetrical baffle plates 19, and position-limited box 6 is located at two baffle plates 19 Between, user can be allowed to deposit some debris, first through hole 18 is offered in the middle part of the upper surface of under casing 1, the bottom surface of position-limited box 6 Middle part offers the second through hole 5, and the second through hole 5 is connected with first through hole 18, and the telescopic end of electric pushrod 26 sequentially passes through The through hole 5 of first through hole 18 and second simultaneously extends to the inside of position-limited box 6, and the telescopic end of electric pushrod 26 is fixedly connected with limited block 14, the lateral surface of limited block 14 is fixedly connected with two symmetrical limited posts 16, and the madial wall of position-limited box 6 offers two phases Symmetrical slideway 7, and two one end of limited post 16 away from limited block 14 extend through two slideways 7 and extend to position-limited box 6 Outside, the one end of limited post 16 away from limited block 14 is fixedly connected with the first limiting plate 8, and the outer surface of the first limiting plate 8 leads to Cross the first removable pin 17 and be fixedly hinged with pull bar 12, the upper surface of position-limited box 6 is fixedly connected with top plate 13, the left surface of top plate 13 Folded plate 10 is fixedly hinged with by two hinges 15 with the right flank of top plate 13, the bottom surface of each folded plate 10 has been fixedly connected with Second limiting plate 9, each one end of pull bar 12 away from limiting plate 8 pass through the appearance of the second removable pin 11 and the second limiting plate 9 Face, which is fixed, to be hinged, and the side for value position-limited box 6 that one end of folded plate 10 can be left behind, convenient use person moves and removed to it Fortune, the upper surface of horizontal plane and under casing 1 where top plate 13 are in flat shape shape, and between the one side that is located remotely from each other of two folded plates 10 Horizontal length value be more than the upper surface of under casing 1 horizontal length value, preferably traffic machinery can be placed and sold, be kept away Exempt from upper space it is smaller and cause influence sell the problem of.
Operation principle:By motor 2 and municipal power electric connection, drive pole 3 to be rotated using motor 2, pass through socket Annulus 4 in the outer surface of pole 3, with the use of head rod 20, groove block 22, the second connecting rod 23, spacing hole 24 and pressure Plate 29, the height of pressing plate 29 can be adjusted, the effect for fixing the device can be played, use electric pushrod 26, first Through hole 18, the second through hole 5, limited block 14 and limited post 16, the position of limited block 14 can be improved and fallen, when electronic When push rod 26 shrinks, in the presence of limited block 14, move down the lower end of pull bar 12, the first removable pin 17 of cooperation, Second removable pin 11, the second limiting plate 9, top plate 13 and hinge 15, one end of folded plate 10 is driven to move down and be folded to spacing The side of box 6, when electric pushrod 26 is released, by folded plate 10 be pushed into the place same level of top plate 13, preferably allow User is shown and sold traffic machinery part, using two groups of pulleys 28, is user-friendly for moving.
In summary, the traffic machinery sale platform for being easy to regulation, the motor 2, pole 3, circle being provided with casing 1 are passed through Ring 4, head rod 20, the connecting rod 23 of groove block 22 and second, can be by pressing plate 29 with the use of spacing hole 24 and pressing plate 29 Position improved and reduced, reached the effect for fixing the device, avoided the slip of the sale platform during use, By electric pushrod 26, first through hole 18, the second through hole 5, limited block 14 and limited post 16, the position of limited block 14 can be entered Row improves and fallen, and is then limited with the use of the first limiting plate 8, the first removable pin 17, pull bar 12, the second removable pin 11, second Position plate 9 and folded plate 10, one end of folded plate 10 can be lifted, by top plate 13 and hinge 15, realize and enter folded plate 10 Row is left behind and is folded in the outside of position-limited box 6, is improved the stationarity and controllability of the device, is passed through the pulley being provided with 28, user can be allowed preferably to move the device to the position of demand, can be by one by the baffle plate 19 of the upper surface of under casing 1 The debris that need not be sold a bit is placed, and improves the mobility of the device.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of traffic machinery sale platform for being easy to regulation, including under casing(1), it is characterised in that:The under casing(1)Madial wall It is fixedly connected with two symmetrical motors(2), each motor(2)Output end be fixedly connected with pole(3), it is described Under casing(1)Inner roof wall be fixedly connected with two symmetrical solid top plates(25), two fixed plates(25)It is located remotely from each other One side has been fixedly connected with bearing(27), and pole(3)Away from motor(2)One end and bearing(27)Inner ring fix connect Connect, the pole(3)It is socketed with the middle part of outer surface and pole(3)The annulus being adapted(4), the annulus(4)Outer surface It is fixedly connected with head rod(20), the under casing(1)Inside be placed with two symmetrical groove blocks(22), two institutes State head rod(20)Away from annulus(4)One end be located at two groove blocks respectively(22)Inside, the groove block(22) Inwall pass through pin(21)With head rod(20)Away from annulus(4)One end fix be hinged, the groove block(22)Bottom The second connecting rod is fixedly connected with the middle part of face(23), the under casing(1)Inner bottom wall offer two symmetrical spacing holes (24);
The under casing(1)Electric pushrod is fixedly connected with the middle part of inner bottom wall(26), the under casing(1)The middle part of upper surface is fixed It is connected with position-limited box(6), the under casing(1)First through hole is offered in the middle part of upper surface(18), the position-limited box(6)Bottom surface Middle part offers the second through hole(5), and the second through hole(5)With first through hole(18)It is connected, the electric pushrod(26)Stretch Contracting end sequentially passes through first through hole(18)With the second through hole(5)And extend to position-limited box(6)Inside, the electric pushrod(26) Telescopic end be fixedly connected with limited block(14), the limited block(14)Lateral surface be fixedly connected with two it is symmetrical spacing Post(16), the position-limited box(6)Madial wall offer two symmetrical slideways(7), and two limited posts(16)Away from limit Position block(14)One end extend through two slideways(7)And extend to position-limited box(6)Outside, the limited post(16)Away from limit Position block(14)One end be fixedly connected with the first limiting plate(8), first limiting plate(8)Outer surface pass through the first removable pin (17)It is fixedly hinged with pull bar(12), the position-limited box(6)Upper surface be fixedly connected with top plate(13), the top plate(13)'s Left surface and top plate(13)Right flank pass through two hinges(15)It is fixedly hinged with folded plate(10).
A kind of 2. traffic machinery sale platform for being easy to regulation according to claim 1, it is characterised in that:Second connection Bar(23)Away from groove block(22)One end run through spacing hole(24)And extend under casing(1)Lower section, second connecting rod (23)Away from groove block(22)One end be fixedly connected with pressing plate(29).
A kind of 3. traffic machinery sale platform for being easy to regulation according to claim 1, it is characterised in that:Each folded plate (10)Bottom surface be fixedly connected with the second limiting plate(9), each pull bar(12)Away from limiting plate(8)One end pass through Second removable pin(11)With the second limiting plate(9)Outer surface fix it is be hinged.
A kind of 4. traffic machinery sale platform for being easy to regulation according to claim 1, it is characterised in that:The under casing(1) Upper surface be fixedly connected with two symmetrical baffle plates(19), and position-limited box(6)Positioned at two baffle plates(19)Between.
A kind of 5. traffic machinery sale platform for being easy to regulation according to claim 1, it is characterised in that:The under casing(1) Bottom surface be fixedly hinged with two groups of symmetrical pulleys(28), and every group of pulley(28)Quantity equal at least two.
A kind of 6. traffic machinery sale platform for being easy to regulation according to claim 1, it is characterised in that:The top plate(13) The horizontal plane and under casing at place(1)Upper surface be in flat shape shape, and two folded plates(10)Water between the one side being located remotely from each other Flat length value is more than under casing(1)The horizontal length value of upper surface.
CN201710895919.5A 2017-09-28 2017-09-28 A kind of traffic machinery sale platform for being easy to regulation Withdrawn CN107713543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710895919.5A CN107713543A (en) 2017-09-28 2017-09-28 A kind of traffic machinery sale platform for being easy to regulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710895919.5A CN107713543A (en) 2017-09-28 2017-09-28 A kind of traffic machinery sale platform for being easy to regulation

Publications (1)

Publication Number Publication Date
CN107713543A true CN107713543A (en) 2018-02-23

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CN201710895919.5A Withdrawn CN107713543A (en) 2017-09-28 2017-09-28 A kind of traffic machinery sale platform for being easy to regulation

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110074611A (en) * 2019-05-17 2019-08-02 延安大学 A kind of mathematical education mold displaying device
CN112006478A (en) * 2020-08-14 2020-12-01 许昌学院 Transportation machinery show board convenient to adjust
CN113724601A (en) * 2021-09-03 2021-11-30 李一可 Comprehensive air traffic planning platform

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Publication number Priority date Publication date Assignee Title
US20060086867A1 (en) * 2004-10-25 2006-04-27 Sheng-Chien Wang Telescopic display stand
CN105996609A (en) * 2016-07-28 2016-10-12 无锡市博阳超声电器有限公司 Mouse selling rack convenient to move
CN106213901A (en) * 2016-08-15 2016-12-14 夏涛 A kind of mosaic tiles store display device
CN205837741U (en) * 2016-07-28 2016-12-28 江西明正变电设备有限公司 A kind of rack of cabinet body door
CN206025826U (en) * 2016-06-15 2017-03-22 刘学成 Display case special for marketing
CN106542468A (en) * 2016-12-05 2017-03-29 采泉 A kind of Work tool is picked and placeed uses safety lifting device
CN107041656A (en) * 2017-03-18 2017-08-15 周菊燕 A kind of robot display stand

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060086867A1 (en) * 2004-10-25 2006-04-27 Sheng-Chien Wang Telescopic display stand
CN206025826U (en) * 2016-06-15 2017-03-22 刘学成 Display case special for marketing
CN105996609A (en) * 2016-07-28 2016-10-12 无锡市博阳超声电器有限公司 Mouse selling rack convenient to move
CN205837741U (en) * 2016-07-28 2016-12-28 江西明正变电设备有限公司 A kind of rack of cabinet body door
CN106213901A (en) * 2016-08-15 2016-12-14 夏涛 A kind of mosaic tiles store display device
CN106542468A (en) * 2016-12-05 2017-03-29 采泉 A kind of Work tool is picked and placeed uses safety lifting device
CN107041656A (en) * 2017-03-18 2017-08-15 周菊燕 A kind of robot display stand

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110074611A (en) * 2019-05-17 2019-08-02 延安大学 A kind of mathematical education mold displaying device
CN112006478A (en) * 2020-08-14 2020-12-01 许昌学院 Transportation machinery show board convenient to adjust
CN112006478B (en) * 2020-08-14 2021-05-14 许昌学院 Transportation machinery show board convenient to adjust
CN113724601A (en) * 2021-09-03 2021-11-30 李一可 Comprehensive air traffic planning platform
CN113724601B (en) * 2021-09-03 2023-05-05 李一可 Comprehensive air traffic transportation planning platform

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Application publication date: 20180223