CN108050362A - A kind of LED screen rotating device - Google Patents

A kind of LED screen rotating device Download PDF

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Publication number
CN108050362A
CN108050362A CN201711430706.1A CN201711430706A CN108050362A CN 108050362 A CN108050362 A CN 108050362A CN 201711430706 A CN201711430706 A CN 201711430706A CN 108050362 A CN108050362 A CN 108050362A
Authority
CN
China
Prior art keywords
fixed
cavity
babinet
led screen
electric telescopic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711430706.1A
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Chinese (zh)
Inventor
陈鸣
陈一鸣
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.)
Zhengzhou Star Federation New Creation Mdt Infotech Ltd
Original Assignee
Zhengzhou Star Federation New Creation Mdt Infotech 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 Zhengzhou Star Federation New Creation Mdt Infotech Ltd filed Critical Zhengzhou Star Federation New Creation Mdt Infotech Ltd
Priority to CN201711430706.1A priority Critical patent/CN108050362A/en
Publication of CN108050362A publication Critical patent/CN108050362A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Abstract

The invention discloses a kind of LED screen rotating devices, including babinet and wall, the wall one side is rotatably connected to the second electric telescopic rod, the one side lower end of the babinet is fixed with the second universal joint, the end of second electric telescopic rod is fixed on one end of the second universal joint, babinet upper end one side is rotatably connected to the first universal joint, the upper end of first universal joint is fixed with supporting rod, one end of the supporting rod is fixed on the one side of wall, partition plate is equipped in the babinet, box house is divided into the first cavity and the second cavity by the partition plate from left to right, bottom side in first cavity is rotatably connected to rotating bar.The present invention passes through the multi-angle rotation of device and freely dismantling for LED screen, it is fixed on certain position solving traditional LED display and is constantly in an angle, the information multi-angle in LED screen is played without preferably playing transmission information function, it is also more convenient when needing to dismantle, suitable for promoting.

Description

A kind of LED screen rotating device
Technical field
The present invention relates to LED screen technical field more particularly to a kind of LED screen rotating devices.
Background technology
LED display is a kind of flat-panel monitor, is made of LED module panel small one by one, for showing word, figure The equipment of the various information such as picture, video, video signal, it is a kind of display mode by controlling semiconductor light-emitting-diode, When electronics and when hole-recombination can give off visible ray, area ductility, LCD areas are big to be difficult to realize seamless spliced, and LED is shown Display screen can arbitrarily extend, and realize it is seamless spliced, in terms of display effect, the high brightness of LED display, wider viewing angle With good color restoration capability also superior to LCD screen.LED brush screen machines are generally used for airport, market, hotel, high ferro, subway, shadow Institute, exhibition, office building etc., target customer's consuming capacity is strong, has huge advertisement value, and traditional LED display is fixed on An angle is constantly on certain position, transfers information function without preferably playing, and LED screen needs to dismantle when ratio Cumbersome, we devise a kind of LED screen with rotating device to solve the above problems therefore.
The content of the invention
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of LED screen rotating dress proposed It puts.
To achieve these goals, present invention employs following technical solutions:
A kind of LED screen rotating device, including babinet and wall, the wall one side is rotatably connected to the second electric telescopic rod, The one side lower end of the babinet is fixed with the second universal joint, and the end of second electric telescopic rod is fixed on the second universal joint One end, babinet upper end one side are rotatably connected to the first universal joint, and the upper end of first universal joint is fixed with supporting rod, institute The one end for stating supporting rod is fixed on the one side of wall, is equipped with partition plate in the babinet, the partition plate by box house from left to right It is divided into the first cavity and the second cavity, the bottom side in first cavity is rotatably connected to rotating bar, the rotating bar Through worm gear is fixed with, the upper end of the rotating bar through the first cavity and extends to the upper end of babinet, the rotating bar it is upper End is rotatably connected on the lower end of the first universal joint, and worm screw, the snail are rotatably connected on one end side wall in first cavity Bar and worm gear engagement, one end of the worm screw are fixed with the second angular wheel, and one end side wall in second cavity is equipped with Turntable, the one side of the turntable are equipped with groove, and /V corresponding with groove is fixed on other end side wall in second cavity Block, and one end of gag lever post is rotatably connected on one end side wall in groove, the one side of the turntable is equipped with spiral chute, institute's case The one side of body is equidistantly set there are four limiting slot, and the first sliding block, one end of first sliding block are mounted in four limiting slots It through limiting slot and extends in spiral chute, the one side of first sliding block is fixed with the second pull rod, and second pull rod turns Dynamic to be connected with the first pull rod, one end of first pull rod is rotatably connected to grip block, and the opposite side of the turntable is fixed with saw Gear, one end of the serrated wheel through partition plate and are extended in the first cavity, and the one side of the serrated wheel is fixed with the first cone Shape gear, first angular wheel and the second angular wheel are corresponding, and the lower end in first cavity is equipped with sliding slot, described Second sliding block is installed, the upper end of second sliding block is fixed with the first guard box, the bottom in first guard box in sliding slot Portion is fixed with driving device, and the output shaft of the driving device through the first guard box and extends to the upper end of the first guard box, The output shaft end of the driving device is fixed with triconic gear, triconic gear and the first angular wheel, the second cone Shape gear corresponds, and the one side of the sliding slot is equipped with the first electric telescopic rod, and first electric telescopic rod is fixed on partition plate One side, the end of first electric telescopic rod is fixed on the second guard box.
Preferably, the one side of the partition plate is rotatably connected to gag lever post, and one end of the gag lever post contradicts serrated wheel, described The one side of gag lever post is equipped with the 3rd electric telescopic rod, and the 3rd electric telescopic rod is fixedly connected on the one side of partition plate, and described the The ends of three electric telescopic rods contradicts gag lever post, and the opposite side of the gag lever post is equipped with sleeve, the sleeve be fixedly connected on every The one side of plate is fixed with spring on one end side wall in the sleeve, and one end of the spring through sleeve and extends to sleeve One side, one end of the spring is fixedly connected on the one side of gag lever post.
Preferably, the driving device is servomotor.
Preferably, it is coated with rubber layer on the grip block.
Preferably, the upper end of the babinet is equidistantly equipped with multiple heat emission holes.
Preferably, the babinet is made of carbon steel.
In the present invention, in use, between LED display is placed on four grip blocks, the first electric telescopic rod pulls the One electric telescopic rod, the first angular wheel are engaged with triconic gear, and driving device starts, and triconic gear drives first Angular wheel rotates, and the first angular wheel, which rotates, drives serrated wheel to rotate to drive the rotation of turntable, the spiral shape on turntable Sliding slot, which rotates, drives the first sliding block to be moved on limiting slot, so that the second pull rod and the first pull rod are shunk, grip block clamping is tight LED screen, gag lever post clamping serrated wheel, preventing the rotation of turntable causes the movement of the first sliding block, loosens clamping, the 3rd during dismounting Electric telescopic rod jacks up gag lever post, driving device reversion, and the reversion of triconic gear drives the reversion of the first angular wheel, serrated wheel It is inverted with turntable, the first sliding shoe moves grip block by the first pull rod and the second pull rod and unclamps LED screen, when needing rotating LED screen First electric telescopic rod promotes the first guard box, and triconic gear is engaged with the second angular wheel, and driving device starts the 3rd Angular wheel, which rotates, to be driven the second angular wheel to rotate and then drives the rotation of worm screw, and worm screw drives worm gear to rotate, and worm gear drives Rotating bar rotates, and since rotating bar is fixed on through the first cavity on the first universal joint, the first universal joint is rotatably connected on first On cavity, for rotating bar compared with body pivot, the rotating bar being fixed on the first universal joint drives babinet and LED screen vertical direction On rotation, the horizontal direction of the flexible drive babinet of the second electric telescopic rod and LED screen rotates, and the present invention passes through the more of device Angular turn and LED screen are freely dismantled, and are fixed on certain position solving traditional LED display and are constantly in one Angle makes the information multi-angle in LED screen play, it is necessary to also compare side when dismantling without preferably playing transmission information function Just, suitable for popularization.
Description of the drawings
Fig. 1 is schematic enlarged-scale view at a kind of A of LED screen rotating device proposed by the present invention;
Fig. 2 is a kind of LED screen rotary device structure schematic diagram proposed by the present invention;
Fig. 3 is a kind of LED screen rotating device clamping device structure diagram proposed by the present invention;
Fig. 4 is a kind of LED screen rotating device locking mechanism schematic diagram proposed by the present invention;
Fig. 5 is a kind of LED screen rotating device turntable front view proposed by the present invention.
In figure:1 first electric telescopic rod, 2 first sliding blocks, 3 first angular wheels, 4 serrated wheels, 5 turntables, 6 gag lever posts, 7 First pull rod, 8 grip blocks, 9 first universal joints, 10 supporting rods, 11 rotating bars, 12 second electric telescopic rods, 13 worm screws, 14 are slided Slot, 15 driving devices, 16 limited blocks, 17 sleeves, 18 the 3rd electric telescopic rods, 19 walls, 20 partition plates.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution 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, instead of all the embodiments.
With reference to Fig. 1-5, a kind of LED screen rotating device, including babinet and wall 19,19 one side of wall is rotatably connected to the Two electric telescopic rods 12, the one side lower end of babinet are fixed with the second universal joint, and the end of the second electric telescopic rod 12 is fixed on One end of two universal joints, for the rotation of the horizontal direction of LED screen, babinet upper end one side is rotatably connected to the first universal joint 9, the The upper end of one universal joint 9 is fixed with supporting rod 10, and one end of supporting rod 10 is fixed on the one side of wall 19, is used to support entire case Body, babinet is interior to be equipped with partition plate 20, and box house is divided into the first cavity and the second cavity, the first cavity by partition plate 20 from left to right Interior bottom side is rotatably connected to rotating bar, and for rotating bar 11 through worm gear is fixed with, the upper end of rotating bar 11 is empty through first Chamber and the upper end for extending to babinet, the upper end of rotating bar 11 are rotatably connected on the lower end of the first universal joint 9, and one in the first cavity Worm screw 13 is rotatably connected on the wall of end, worm screw 13 and worm gear engagement, worm screw 13 drive worm gear to rotate, and worm gear drives rotating bar 11 It rotating, one end of worm screw 13 is fixed with the second angular wheel, and one end side wall in the second cavity is equipped with turntable 5, and the one of turntable 5 Side is equipped with groove, is fixed with limited block 16 corresponding with groove, and one end of gag lever post 16 on other end side wall in the second cavity It is rotatably connected on one end side wall in groove, the one side of turntable 5 is equipped with spiral chute, and the one side of institute's babinet is equidistantly equipped with four A limiting slot, the first sliding block 2 is mounted in four limiting slots, and one end of the first sliding block 2 through limiting slot and extends to spiral In sliding slot, the one side of the first sliding block 2 is fixed with the second pull rod, and the second pull rod is rotatably connected to the first pull rod 7, the first pull rod 7 One end is rotatably connected to grip block 8, the rotation of turntable 5, and the spiral shape sliding slot on turntable 5, which rotates, drives the first sliding block 2 in /V It is moved on slot, so that the second pull rod and the first pull rod 7 are shunk, grip block 8 clamps tight LED screen, and the opposite side of turntable 5 is fixed with Serrated wheel 4, one end of serrated wheel 4 through partition plate 20 and are extended in the first cavity, and the one side of serrated wheel 4 is fixed with the first taper Gear 3, the first angular wheel 3 and the second angular wheel are corresponding, and the lower end in the first cavity is equipped with sliding slot 14, pacifies in sliding slot 14 Equipped with the second sliding block, the upper end of the second sliding block is fixed with the first guard box, and the bottom in the first guard box is fixed with driving device 15, the output shaft of driving device 15 through the first guard box and extends to the upper end of the first guard box, the output of driving device 15 Shaft end is fixed with triconic gear, and triconic gear and the first angular wheel, the second angular wheel correspond, sliding slot 14 one side is equipped with the first electric telescopic rod 1, and the first electric telescopic rod 1 is fixed on the one side of partition plate 20, the first electric telescopic rod 1 End be fixed on the second guard box the first electric telescopic rod 1 and pull the first electric telescopic rod 1, the first angular wheel 3 and the Triconic gear engages, and the first electric telescopic rod 1 promotes the first guard box, and triconic gear is engaged with the second angular wheel.
In the present invention, the one side of partition plate 20 is rotatably connected to gag lever post 6, and one end of gag lever post 6 contradicts serrated wheel 4, /V The one side of bar 6 is equipped with the 3rd electric telescopic rod 18, and the 3rd electric telescopic rod 18 is fixedly connected on the one side of partition plate 20, and the 3rd is electronic The end of telescopic rod 18 contradicts gag lever post 6, and the opposite side of gag lever post 6 is equipped with sleeve 17, and sleeve 17 is fixedly connected on partition plate 20 One side is fixed with spring on one end side wall in sleeve 17, and one end of spring through sleeve 17 and extends to the one side of sleeve 17, One end of spring is fixedly connected on the one side of gag lever post 6, and the 3rd electric telescopic rod 18 jacks up gag lever post 6, driving device during dismounting 15 be servomotor, and rubber layer is coated on grip block 8, and the upper end of babinet is equidistantly equipped with multiple heat emission holes, and babinet uses carbon Plain steel is made.
In the present invention, in use, between LED display is placed on four grip blocks 8, the first electric telescopic rod 1 pulls First electric telescopic rod 1, the first angular wheel 3 are engaged with triconic gear, and driving device 15 starts, triconic gear band Dynamic first angular wheel 3 rotates, and the first angular wheel 3, which rotates, drives serrated wheel 4 to rotate to drive the rotation of turntable 5, turntable 5 On spiral shape sliding slot rotate the first sliding block 2 driven to be moved on limiting slot so that the second pull rod and the first pull rod 7 are shunk, Grip block 8 clamps tight LED screen, and 6 clamping serrated wheel 4 of gag lever post, preventing the rotation of turntable 5 causes the movement of the first sliding block 2, makes folder Hold loosening, the 3rd electric telescopic rod 18 jacks up gag lever post 6 during dismounting, and driving device 15 inverts, and the reversion of triconic gear drives First angular wheel 3 inverts, and serrated wheel 4 and turntable 5 invert, and the first sliding shoe 2 passes through the first pull rod 7 and the second pull rod movement folder It holds block 8 and unclamps LED screen, the first electric telescopic rod 1 during rotating LED screen is needed to promote the first guard box, triconic gear and second Angular wheel engages, and driving device 15 starts triconic gear and rotates the rotation of the second angular wheel of drive and then drive worm screw 13 Rotation, worm screw 13 drives worm gear to rotate, and worm gear drives rotating bar 11 to rotate, since rotating bar 11 is fixed on through the first cavity On first universal joint 9, the first universal joint 9 is rotatably connected on the first cavity, and rotating bar 11 is fixed on compared with body pivot Rotating bar 11 on first universal joint 9 drives the rotation on babinet and LED screen vertical direction, and the second electric telescopic rod 12 is stretched The horizontal direction of babinet and LED screen is driven to rotate.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of LED screen rotating device, including babinet and wall(19), which is characterized in that the wall(19)One side rotates It is connected with the second electric telescopic rod(12), the one side lower end of the babinet is fixed with the second universal joint, second electric expansion Bar(12)End be fixed on one end of the second universal joint, babinet upper end one side is rotatably connected to the first universal joint(9), institute State the first universal joint(9)Upper end be fixed with supporting rod(10), the supporting rod(10)One end be fixed on wall(19)One Side, the babinet is interior to be equipped with partition plate(20), the partition plate(20)Box house is divided into the first cavity and second from left to right Cavity, the bottom side in first cavity are rotatably connected to rotating bar, the rotating bar(11)Through being fixed with worm gear, institute State rotating bar(11)Upper end through the first cavity and extend to the upper end of babinet, the rotating bar(11)Upper end rotation connection In the first universal joint(9)Lower end, be rotatably connected to worm screw on one end side wall in first cavity(13), the worm screw (13)It is engaged with worm gear, the worm screw(13)One end be fixed with the second angular wheel, one end side wall in second cavity It is equipped with turntable(5), the turntable(5)One side be equipped with groove, be fixed on other end side wall in second cavity with it is recessed The corresponding limited block of slot(16), and gag lever post(16)One end be rotatably connected on one end side wall in groove, the turntable(5) One side be equipped with spiral chute, the one side of institute's babinet is equidistantly set there are four limiting slot, and first is mounted in four limiting slots Sliding block(2), first sliding block(2)One end through limiting slot and extending in spiral chute, first sliding block(2)One Side is fixed with the second pull rod, and second pull rod is rotatably connected to the first pull rod(7), first pull rod(7)One end rotate It is connected with grip block(8), the turntable(5)Opposite side be fixed with serrated wheel(4), the serrated wheel(4)One end run through every Plate(20)And it extends in the first cavity, the serrated wheel(4)One side be fixed with the first angular wheel(3), first cone Shape gear(3)Corresponding with the second angular wheel, the lower end in first cavity is equipped with sliding slot(14), the sliding slot(14)It is interior Second sliding block is installed, the upper end of second sliding block is fixed with the first guard box, and the bottom in first guard box is fixed There is driving device(15), the driving device(15)Output shaft through the first guard box and extend to the upper of the first guard box End, the driving device(15)Output shaft end be fixed with triconic gear, triconic gear and the first angular wheel, Second angular wheel corresponds, the sliding slot(14)One side be equipped with the first electric telescopic rod(1), first electric expansion Bar(1)It is fixed on partition plate(20)One side, first electric telescopic rod(1)End be fixed on the second guard box.
A kind of 2. LED screen rotating device according to claim 1, which is characterized in that the partition plate(20)One side turn It is dynamic to be connected with gag lever post(6), the gag lever post(6)One end contradict serrated wheel(4), the gag lever post(6)One side be equipped with the Three electric telescopic rods(18), the 3rd electric telescopic rod(18)It is fixedly connected on partition plate(20)One side, the described 3rd is electronic Telescopic rod(18)End contradict gag lever post(6), the gag lever post(6)Opposite side be equipped with sleeve(17), the sleeve(17) It is fixedly connected on partition plate(20)One side, the sleeve(17)Spring, one end of the spring are fixed on interior one end side wall Through sleeve(17)And extend to sleeve(17)One side, one end of the spring is fixedly connected on gag lever post(6)One side.
A kind of 3. LED screen rotating device according to claim 1, which is characterized in that the driving device(15)To watch Take motor.
A kind of 4. LED screen rotating device according to claim 1, which is characterized in that the grip block(8)On be coated with Rubber layer.
5. a kind of LED screen rotating device according to claim 1, which is characterized in that the upper end of the babinet is equidistant Equipped with multiple heat emission holes.
6. a kind of LED screen rotating device according to claim 1, which is characterized in that the babinet uses carbon steel Into.
CN201711430706.1A 2017-12-26 2017-12-26 A kind of LED screen rotating device Pending CN108050362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711430706.1A CN108050362A (en) 2017-12-26 2017-12-26 A kind of LED screen rotating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711430706.1A CN108050362A (en) 2017-12-26 2017-12-26 A kind of LED screen rotating device

Publications (1)

Publication Number Publication Date
CN108050362A true CN108050362A (en) 2018-05-18

Family

ID=62131916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711430706.1A Pending CN108050362A (en) 2017-12-26 2017-12-26 A kind of LED screen rotating device

Country Status (1)

Country Link
CN (1) CN108050362A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088333A (en) * 2018-06-06 2018-12-25 荣马电器有限公司 A kind of fire emergency control cabinet
CN111088628A (en) * 2020-01-14 2020-05-01 冯小峰 Roller dyeing machine drainage mechanism capable of changing inner space of roller
CN115342276A (en) * 2022-08-17 2022-11-15 山西省测绘地理信息院 Three-dimensional geographic information service platform touch control all-in-one machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088333A (en) * 2018-06-06 2018-12-25 荣马电器有限公司 A kind of fire emergency control cabinet
CN111088628A (en) * 2020-01-14 2020-05-01 冯小峰 Roller dyeing machine drainage mechanism capable of changing inner space of roller
CN115342276A (en) * 2022-08-17 2022-11-15 山西省测绘地理信息院 Three-dimensional geographic information service platform touch control all-in-one machine
CN115342276B (en) * 2022-08-17 2023-05-30 山西省测绘地理信息院 Touch control integrated machine of three-dimensional geographic information service platform

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Application publication date: 20180518