CN108150797A - A kind of projecting apparatus mounting bracket - Google Patents

A kind of projecting apparatus mounting bracket Download PDF

Info

Publication number
CN108150797A
CN108150797A CN201711380441.9A CN201711380441A CN108150797A CN 108150797 A CN108150797 A CN 108150797A CN 201711380441 A CN201711380441 A CN 201711380441A CN 108150797 A CN108150797 A CN 108150797A
Authority
CN
China
Prior art keywords
projecting apparatus
pinboard
drag chain
nut
slide track
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
CN201711380441.9A
Other languages
Chinese (zh)
Inventor
吴忠盛
沙小伟
姜皓
岳炯
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.)
Suzhou Jiangnan Aerospace Mechanical and Electrical Industry Co Ltd
Original Assignee
Suzhou Jiangnan Aerospace Mechanical and Electrical Industry 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 Suzhou Jiangnan Aerospace Mechanical and Electrical Industry Co Ltd filed Critical Suzhou Jiangnan Aerospace Mechanical and Electrical Industry Co Ltd
Priority to CN201711380441.9A priority Critical patent/CN108150797A/en
Publication of CN108150797A publication Critical patent/CN108150797A/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
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • 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
    • F16M11/043Allowing translations
    • 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
    • F16M11/043Allowing translations
    • F16M11/045Allowing translations adapted to left-right translation movement
    • 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
    • F16M11/16Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • 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
    • F16M11/42Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • F16M11/425Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008Adjustable or movable supports
    • B60R2011/0084Adjustable or movable supports with adjustment by linear movement in their operational position

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The present invention provides a kind of projecting apparatus mounting brackets, can meet the requirement of China's shelter and van-type vehicle, can guarantee projecting apparatus by the effectively stable output of information.It includes the drag chain stent for being installed in matrix, slide track component, the drag chain stent, alongst horizontal direction is arranged in parallel slide track component, drag chain is placed in the drag chain stent, the output terminal of the drag chain is used to connect corresponding projecting apparatus, it further includes projecting apparatus pinboard, lower link, upper link, sliding equipment, the lower mounting plate of the projecting apparatus pinboard is used for affixed corresponding projecting apparatus, the lower part that the projecting apparatus pinboard passes through the affixed lower link of top installing plate, the top of the lower link connects the lower part of the upper link by shaft, the both sides that the upper link corresponds to the lower link are respectively arranged with arcuate socket, lock pin connects the correspondence both sides of arcuate socket and lower link respectively, the arcuate socket is located at the top arrangement of the shaft.

Description

A kind of projecting apparatus mounting bracket
Technical field
The present invention relates to the technical field of projecting apparatus installation, specially a kind of projecting apparatus mounting brackets.
Background technology
As the continuous development of each military power and iteration update, many van-type vehicles in China and shelter etc. need in the world Projecting apparatus is installed to ensure effective transmission of information, it is to be improved in terms of the installation fixation of projecting apparatus.Existing shelter upslide The mounting bracket of shadow instrument, is formed by pinboard and welding hook, on the connecting plate for hanging over bulkhead.Adopt the structure shape Formula, it is inconvenient to be dismounted when projecting apparatus is installed on van-type vehicle and shelter, and hook fails to limit the degree of freedom of projecting apparatus, projects Stability is poor during instrument use.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of projecting apparatus mounting bracket, China's shelter and van can be met Requirement, can guarantee projecting apparatus by the effectively stable output of information.
A kind of projecting apparatus mounting bracket, it is characterised in that:It includes the drag chain stent, the slide track component that are installed in matrix, institute Stating drag chain stent, slide track component, alongst horizontal direction is arranged in parallel, and drag chain is placed in the drag chain stent, described to drag The output terminal of chain further includes projecting apparatus pinboard, lower link, upper link, skate machine for connecting corresponding projecting apparatus Structure, for the lower mounting plate of the projecting apparatus pinboard for affixed corresponding projecting apparatus, the projecting apparatus pinboard passes through top The lower part of the affixed lower link of installing plate, the top of the lower link are connected by shaft under the upper link Portion, the both sides that the upper link corresponds to the lower link are respectively arranged with arcuate socket, and lock pin connects arcuate socket respectively With the correspondence both sides of lower link, the arcuate socket is located at the top arrangement of the shaft, and the top of the upper link is affixed There is the sliding equipment, the sliding equipment includes roof timbering, and the roof timbering corresponds to the both sides of the slide track component Convex guide rail card slot is respectively arranged with, the guide rail card slot is clamped two side rails of the slide track component, the roof timbering Lower central position under it is convex have connecting bracket, the connecting bracket is bolted connection the top of the upper link, The end positions of the connecting bracket of the roof timbering are respectively arranged with sliding latch nut, and the slide track component corresponds to described The position of sliding latch nut is provided with guiding elongated slot, and the sliding latch nut under sliding latch state presses the sliding rail Component.
It is further characterized by:Default nut is provided in the guiding elongated slot, the default nut cannot rotate, institute The screw rod for stating sliding latch nut gos deep into the guiding elongated slot and is threadedly coupled the default nut, under tightening state, the cunning Dynamic lock-nut presses the lower face of the slide track component;
The top installing plate is specially L-type structure installing plate, including level board, vertical panel, the affixed institute of level board The main body bearing of projecting apparatus pinboard is stated, the vertical panel is vertically arranged, and mounting hole, pinboard are provided on the vertical panel The affixed vertical panel of lock-nut, lower link;
The arcuate socket is specially using shaft as the center of circle, the arcuate socket that radian is ± 15 °, can realize projecting apparatus horizontal angle ± 15 ° of adjustings of degree;
The size of the lower mounting plate of the projecting apparatus pinboard is adjusted according to the size of projecting apparatus to be installed to be set Meter.
After applying the present invention, the lower part peace of projecting apparatus pinboard according to the projecting apparatus of different model and specification, can be changed The size of loading board so that it is convenient for disassembly and assembly suitable for the projecting apparatus of various specifications, due to the presence of arcuate socket, it can realize projection The a certain range of adjusting of instrument level angle, and due to the setting of drag chain stent, sliding equipment, slide track component, can realize throwing Staying at random location of the shadow instrument in glide direction, carries out the work;Projecting apparatus mounting bracket is loaded on shelter product, in projecting apparatus And in the case of projecting apparatus cable is respectively mounted completely, dismounting, the angular adjustment of projecting apparatus are carried out in parking and driving conditions And locking experiment, the results showed that the installation capability of projecting apparatus is good, and locking is reliable, and stability is strong;The projecting apparatus mounting bracket, makes It is easy to operate with convenience, it is functional, effectively ensure the normal use of instrument.
Description of the drawings
Fig. 1 is the three-dimensional figure structure schematic representation of the present invention;
Fig. 2 looks up figure structure schematic representation for the present invention's;
Fig. 3 is the side view partial enlargement structural representation of the present invention;
Fig. 4 is the main view partial enlargement structural representation of the present invention;
Title in figure corresponding to serial number is as follows:
Drag chain stent 1, slide track component 2, guide rail 21, be oriented to elongated slot 22, drag chain 3, projecting apparatus 4, projecting apparatus pinboard 5, under Portion's installing plate 51, top installing plate 52, main body bearing 53, lower link 6, upper link 7, sliding equipment 8, roof timbering 81, Guide rail card slot 82, connecting bracket 83, sliding latch nut 84, screw rod 85, shaft 9, arcuate socket 10, lock pin 11, default nut 12nd, level board 13, vertical panel 14, mounting hole 15, pinboard lock-nut 16.
Specific embodiment
A kind of projecting apparatus mounting bracket, is shown in Fig. 1-Fig. 4:It includes being installed in the drag chain stent 1 of matrix, slide track component 2, drags Alongst horizontal direction is arranged in parallel for chain stent 1, slide track component 2, is placed with drag chain 3 in drag chain stent 1, drag chain 3 it is defeated Outlet further includes projecting apparatus pinboard 5, lower link 6, upper link 7, sliding equipment for connecting corresponding projecting apparatus 4 8, the lower mounting plate 51 of projecting apparatus pinboard 5 for affixed corresponding projecting apparatus 4, by top installed by projecting apparatus pinboard 5 The lower part of the affixed lower link 6 of plate 52, the top of lower link 6 connect the lower part of upper link 7, upper link 7 by shaft 9 Arcuate socket 10 is respectively arranged with corresponding to the both sides of lower link 6, and lock pin 11 connects arcuate socket 10 and lower link 6 respectively Corresponding both sides, arcuate socket 10 are located at the top arrangement of shaft 9, and the top of upper link 7 is connected with sliding equipment 8, sliding equipment 8 Including roof timbering 81, the both sides that roof timbering 81 corresponds to slide track component 2 are respectively arranged with convex guide rail card slot 82, guide rail Card slot 82 is clamped two side rails 21 of slide track component 2, convex under the lower central position of roof timbering 81 to have connecting bracket 83, connection Stent 83 is bolted connection the top of link, and the end positions of the connecting bracket of roof timbering 81 are respectively arranged with Sliding latch nut 84, the position that slide track component 2 corresponds to sliding latch nut 84 are provided with guiding elongated slot 22, sliding latch shape Sliding latch nut 84 under state presses slide track component 2.
It is oriented in elongated slot 22 and is provided with default nut 12, default nut 12 cannot rotate, the screw rod of sliding latch nut 84 85 are deeply oriented to elongated slot 22 and are threadedly coupled default nut 12, and under tightening state, sliding latch nut 84 presses slide track component 2 Lower face;
Top installing plate 52 is specially L-type structure installing plate, including level board 13, vertical panel 14,13 affixed throwing of level board The main body bearing 53 of shadow instrument pinboard 5, vertical panel 14 are vertically arranged, and mounting hole 15, pinboard lock are provided on vertical panel 14 Only 16 affixed vertical panel 14 of nut, lower link 6;
Arcuate socket 10 is specially using shaft as the center of circle, the arcuate socket that radian is ± 15 °, unclamps lock pin 11, can realize Projecting apparatus level angle ± 15 ° are adjusted, and it is the positioning for completing level angle position then to lock lock pin 11;
The size of the lower mounting plate 51 of projecting apparatus pinboard 5 is adjusted according to the size of projecting apparatus to be installed to be set Meter.
Its operation principle is as follows:It according to the projecting apparatus of different model and specification, can change the lower part of projecting apparatus pinboard The size of installing plate so that it is convenient for disassembly and assembly suitable for the projecting apparatus of various specifications, due to the presence of arcuate socket, it can realize throwing Adjusting in the range of shadow instrument level angle ± 15 °, and due to the setting of drag chain stent, sliding equipment, slide track component, can realize Staying at random location of the projecting apparatus in glide direction, carries out the work.
Specific embodiments of the present invention are described in detail above, but content is only the preferable implementation of the invention Example, it is impossible to be construed as limiting the practical range of the invention.All impartial changes made according to the invention application range Change and improvement etc., should all still belong within this patent covering scope.

Claims (5)

1. a kind of projecting apparatus mounting bracket, it is characterised in that:It includes the drag chain stent, the slide track component that are installed in matrix, described Alongst horizontal direction is arranged in parallel for drag chain stent, slide track component, and drag chain, the drag chain are placed in the drag chain stent Output terminal for connecting corresponding projecting apparatus, further include projecting apparatus pinboard, lower link, upper link, sliding equipment, The lower mounting plate of the projecting apparatus pinboard is used for affixed corresponding projecting apparatus, and the projecting apparatus pinboard is installed by top The lower part of the affixed lower link of plate, the top of the lower link connect the lower part of the upper link, institute by shaft The both sides that link is stated corresponding to the lower link are respectively arranged with arcuate socket, and lock pin connects arcuate socket and lower company respectively Connect the correspondence both sides of frame, the arcuate socket is located at the top arrangement of the shaft, and the top of the upper link is connected with described Sliding equipment, the sliding equipment include roof timbering, and the both sides that the roof timbering corresponds to the slide track component are set respectively Convex guide rail card slot is equipped with, the guide rail card slot is clamped two side rails of the slide track component, the lower part of the roof timbering Convex under center to have connecting bracket, the connecting bracket is bolted connection the top of the upper link, the top The end positions of the connecting bracket of board mount are respectively arranged with sliding latch nut, and the slide track component corresponds to the slide lock Only the position of nut is provided with guiding elongated slot, and the sliding latch nut under sliding latch state presses the slide track component.
2. a kind of projecting apparatus mounting bracket as described in claim 1, it is characterised in that:It is provided in the guiding elongated slot default Nut, the default nut cannot rotate, and the screw rod of the sliding latch nut gos deep into the guiding elongated slot and is threadedly coupled institute State default nut, under tightening state, the sliding latch nut presses the lower face of the slide track component.
3. a kind of projecting apparatus mounting bracket as described in claim 1, it is characterised in that:The top installing plate is specially L-type Structure installing plate, including level board, vertical panel, the main body bearing of the affixed projecting apparatus pinboard of level board is described to hang down Straight panel is vertically arranged, and mounting hole, the affixed vertical panel of pinboard lock-nut, lower connection are provided on the vertical panel Frame.
4. a kind of projecting apparatus mounting bracket as described in claim 1, it is characterised in that:The arcuate socket be specially using shaft as The center of circle, the arcuate socket that radian is ± 15 °.
5. a kind of projecting apparatus mounting bracket as described in claim 1, it is characterised in that:The lower part peace of the projecting apparatus pinboard The size of loading board is adjusted design according to the size of projecting apparatus to be installed.
CN201711380441.9A 2017-12-20 2017-12-20 A kind of projecting apparatus mounting bracket Pending CN108150797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711380441.9A CN108150797A (en) 2017-12-20 2017-12-20 A kind of projecting apparatus mounting bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711380441.9A CN108150797A (en) 2017-12-20 2017-12-20 A kind of projecting apparatus mounting bracket

Publications (1)

Publication Number Publication Date
CN108150797A true CN108150797A (en) 2018-06-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711380441.9A Pending CN108150797A (en) 2017-12-20 2017-12-20 A kind of projecting apparatus mounting bracket

Country Status (1)

Country Link
CN (1) CN108150797A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109177851A (en) * 2018-09-19 2019-01-11 苏州江南航天机电工业有限公司 Heavy Equipment Transporter
CN111147697A (en) * 2018-11-02 2020-05-12 广州灵派科技有限公司 Intelligent wireless network camera
CN111586386A (en) * 2020-06-01 2020-08-25 光峰光电(无锡)有限公司 Ultra-short-focus projection method capable of automatically focusing and bidirectionally correcting trapezoid

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354080A (en) * 2011-09-26 2012-02-15 昆山泓杰电子有限公司 Cantilever projector bracket
KR101364977B1 (en) * 2013-04-16 2014-02-20 주식회사 미동전자통신 Car holder for electronic equipment
CN104181765A (en) * 2014-09-02 2014-12-03 潘爱松 All-dimensional distance-adjustable suspension projector support
CN204647767U (en) * 2015-04-23 2015-09-16 李海涛 A kind of projector floor stand
CN204831189U (en) * 2015-07-27 2015-12-02 东莞市龙天仪器设备有限公司 X axle tow chain wiring structure among planer -type image measuring instrument
CN106051423A (en) * 2016-08-03 2016-10-26 四川马可视觉网络科技有限公司 Projector hanging bracket
CN205847404U (en) * 2016-04-07 2016-12-28 中央电视台 A kind of track and assembling track
CN206036581U (en) * 2016-08-29 2017-03-22 成都西华升腾科技有限公司 Can realize projecting apparatus installing support of multidirectional adjustment
CN206460248U (en) * 2017-02-08 2017-09-01 绵阳昊天信息技术有限公司 A kind of adjustable lifting laser-projector
CN207687636U (en) * 2017-12-20 2018-08-03 苏州江南航天机电工业有限公司 A kind of projecting apparatus mounting bracket

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354080A (en) * 2011-09-26 2012-02-15 昆山泓杰电子有限公司 Cantilever projector bracket
KR101364977B1 (en) * 2013-04-16 2014-02-20 주식회사 미동전자통신 Car holder for electronic equipment
CN104181765A (en) * 2014-09-02 2014-12-03 潘爱松 All-dimensional distance-adjustable suspension projector support
CN204647767U (en) * 2015-04-23 2015-09-16 李海涛 A kind of projector floor stand
CN204831189U (en) * 2015-07-27 2015-12-02 东莞市龙天仪器设备有限公司 X axle tow chain wiring structure among planer -type image measuring instrument
CN205847404U (en) * 2016-04-07 2016-12-28 中央电视台 A kind of track and assembling track
CN106051423A (en) * 2016-08-03 2016-10-26 四川马可视觉网络科技有限公司 Projector hanging bracket
CN206036581U (en) * 2016-08-29 2017-03-22 成都西华升腾科技有限公司 Can realize projecting apparatus installing support of multidirectional adjustment
CN206460248U (en) * 2017-02-08 2017-09-01 绵阳昊天信息技术有限公司 A kind of adjustable lifting laser-projector
CN207687636U (en) * 2017-12-20 2018-08-03 苏州江南航天机电工业有限公司 A kind of projecting apparatus mounting bracket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109177851A (en) * 2018-09-19 2019-01-11 苏州江南航天机电工业有限公司 Heavy Equipment Transporter
CN109177851B (en) * 2018-09-19 2023-11-28 苏州江南航天机电工业有限公司 Heavy equipment transportation device
CN111147697A (en) * 2018-11-02 2020-05-12 广州灵派科技有限公司 Intelligent wireless network camera
CN111586386A (en) * 2020-06-01 2020-08-25 光峰光电(无锡)有限公司 Ultra-short-focus projection method capable of automatically focusing and bidirectionally correcting trapezoid

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