CN110867126A - Composite sand table demonstration device - Google Patents

Composite sand table demonstration device Download PDF

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Publication number
CN110867126A
CN110867126A CN201911338919.0A CN201911338919A CN110867126A CN 110867126 A CN110867126 A CN 110867126A CN 201911338919 A CN201911338919 A CN 201911338919A CN 110867126 A CN110867126 A CN 110867126A
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China
Prior art keywords
sand table
supporting plate
support frame
electric sliding
type lifting
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Pending
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CN201911338919.0A
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Chinese (zh)
Inventor
于维超
郭劭琰
王鑫
唐毅
陈建锋
冯家庆
黄鹏
薛剑
王统
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Bengbu Campus Of Pla Army Armored Army College
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Bengbu Campus Of Pla Army Armored Army College
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Priority to CN201911338919.0A priority Critical patent/CN110867126A/en
Publication of CN110867126A publication Critical patent/CN110867126A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a composite sand table demonstration device; comprises a virtual demonstration mechanism and a sand table adjusting mechanism; the sand table adjusting mechanism comprises a supporting plate, a plurality of scissor type lifting platforms, a plurality of track assemblies and a plurality of first electric sliding tables, the upper end surface of the supporting plate is an area for placing an entity sand table, a first sliding rail of the track assembly is fixed with the supporting plate through a bolt, a second sliding rail is fixed with the upper end of the scissor type lifting platform through a bolt, a base of the first electric sliding table is fixedly connected with a second sliding rail of the track assembly, and a sliding part of the first electric sliding table is fixedly connected with the supporting plate; the virtual demonstration mechanism comprises a support frame and a transparent display screen, a cavity is formed in the support frame, the upper end face of the support frame is opened, and the transparent display screen is horizontally placed at the opening of the support frame. The beneficial technical effects are as follows: a multimedia interactive demonstration system formed by combining a traditional sand table and a transparent display screen covered on the traditional sand table is applied to the field of the physical sand table which needs to be replaced from time to time or even frequently.

Description

Composite sand table demonstration device
Technical Field
The invention belongs to the field of multimedia interactive display, and particularly relates to a composite sand table demonstration device capable of realizing virtual-real interaction.
Background
At present, the multimedia interactive display system combining the electronic display technology and the traditional sand table has more and more cases, and the main development directions are as follows: the intelligent dynamic display sand table is formed by combining an entity sand table and LED light; the intelligent dynamic display sand table is formed by combining the solid sand table and dynamic projection; the traditional sand table or the multimedia interactive digital sand table formed by combining the intelligent dynamic display sand table and the wall-mounted display screen has advantages and disadvantages in different application fields.
However, in the present multimedia interactive demonstration system, the conventional sand table box is still used to fix the solid sand table, which is not convenient for replacing the solid sand table, but also is inconvenient for adjusting the real-time height of the solid sand table, so as to reduce the position offset between the virtual imaging and the solid sand table caused by side visual observation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a composite sand table demonstration device which is reasonable in structure and convenient to replace a sand table.
In order to solve the technical problem, the invention provides a composite sand table demonstration device;
comprises a virtual demonstration mechanism and a sand table adjusting mechanism;
the sand table adjusting mechanism comprises a supporting plate, a plurality of scissor type lifting platforms, a plurality of track assemblies and a plurality of first electric sliding tables, the upper end surface of the supporting plate is an area for placing an entity sand table, the scissor type lifting platforms are fixed with the supporting plate through the track assemblies, the track assemblies comprise first sliding rails and second sliding rails which are matched with each other, the first sliding rails and the supporting plate are fixed through bolts, the second sliding rails and the upper ends of the scissor type lifting platforms are fixed through bolts, the trend of the track assemblies is in the left-right direction, a base of the first electric sliding tables is fixedly connected with the second sliding rails of the track assemblies, a sliding part of the first electric sliding tables is fixedly connected with the supporting plate, the scissor type lifting platforms drive the supporting plate to lift, and all the scissor type lifting platforms lift synchronously;
the virtual demonstration mechanism comprises a support frame and a transparent display screen, a cavity for placing the sand table adjusting mechanism is formed in the support frame, the upper end face of the support frame is opened, the transparent display screen is horizontally placed at the opening of the support frame, and a through hole for the supporting plate to pass in and out is formed in the side wall of the support frame.
After adopting such structure, the spatial position of sand table adjustment mechanism regulation entity sand table carries out the entity demonstration, and virtual demonstration mechanism is through controlling transparent display screen formation of image in order carrying out virtual demonstration, according to the content that will demonstrate, unified control mechanical device action and transparent display screen formation of image for realize the interactive sand table demonstration effect of virtuality and reality.
The beneficial technical effects of the invention are as follows: the multimedia interactive demonstration system formed by combining the traditional sand table and the transparent display screen covered on the traditional sand table can be applied to the field of the physical sand table which needs to be replaced from time to time or even frequently with lower capital and technical cost, and has higher technical advantages.
The sand table adjusting mechanism of the composite sand table demonstration device also comprises a limiting bracket, and the limiting bracket is connected with the supporting plate; after adopting such structure, spacing support can be injectd the entity sand table position of placing on the layer board.
The limiting support of the composite sand table demonstration device is arranged on the supporting plate through two second electric sliding tables, the two second electric sliding tables are respectively arranged at two ends of the limiting support, a sliding part of each second electric sliding table is fixed with the end part of the limiting support, and a base of each second electric sliding table is fixed with the supporting plate; after adopting such structure, start two electronic slipways of second and remove to the maximum stroke position, spacing support promotes the relative layer board of entity sand table and moves a section distance, makes the left end face of entity sand table stretch out the corresponding distance of layer board left end face, conveniently takes out entity sand table or more renew's sand table from the layer board.
Drawings
Fig. 1 is a perspective view of an embodiment of the composite sand table demonstration device.
Fig. 2 is a perspective view of a sand table adjusting mechanism in an embodiment of the composite sand table demonstration apparatus.
Fig. 3 is a bottom view of a sand table adjusting mechanism of the composite sand table demonstration apparatus.
Fig. 4 is a perspective view of a scissor lift platform according to an embodiment of the composite sand table demonstration apparatus.
Detailed Description
As shown in fig. 1 to 4 (four scissor lift platforms 12 are omitted from fig. 3).
According to a demonstration place, a classroom needs to design and install the composite sand table demonstration device for teaching demonstration. According to the teaching requirement, the whole composite sand table demonstration device is in a desktop layout, and the size of the desktop of the sand table demonstration table is determined to be 3 meters multiplied by 5 meters, and the height of the sand table demonstration table is not more than 0.6 meter.
The solid sand table should be made in a scale-up manner according to the range of the electronic map, and is not larger than the size limit of 1.35 meters × 1.55 meters × 0.25 meters. In order to enhance the demonstration effect, the solid sand table is made of plastic materials and is manufactured by adopting mechanical engraving and color spraying technologies.
The composite sand table demonstration device comprises a virtual demonstration mechanism and a sand table adjusting mechanism.
The sand table adjusting mechanism comprises a supporting plate 11, a limiting support 15, four scissor-type lifting platforms 12, two first electric sliding tables 14, two track assemblies and two second electric sliding tables 16.
The supporting plate 11 is a rectangular thin plate, the upper end face of the supporting plate 11 is provided with a groove 11a matched with the solid sand table, the groove 11a penetrates through the left side wall and the right side wall of the supporting plate 11, and the solid sand table is placed in the groove 11 a;
every two a set ofly of four groups of scissors fork lift platform 12, every two scissors fork lift platform 12 of group are fixed with layer board 11 through a set of track subassembly, it must not be greater than 0.1 meter when scissors fork lift platform 12 falls to the lowest position, it is not less than 0.5 meter when scissors fork lift platform 12 rises to the highest position, the track subassembly includes first slide rail 13a and the second slide rail 13b of mutually supporting, pass through the bolt fastening between first slide rail 13a and the layer board 11, second slide rail 13b passes through the bolt fastening with two scissors fork lift platform 12 upper ends of the same group, the trend of track subassembly is left right direction.
Two sets of scissor lift platform 12, two track subassemblies and two electronic slip tables 14 are the one-to-one correspondence, and the base of first electronic slip table 14 passes through the bolt fastening with the second slide rail 13b of track subassembly, passes through the bolt fastening between the sliding part of first electronic slip table 14 and layer board 11.
The scissor type lifting platform 12 is of a conventional structure, four sets of scissor type lifting platforms 12 drive the supporting plate 11 to lift, and all the scissor type lifting platforms 12 lift synchronously.
The both ends are walked around 11 upside regions of layer board along 11 border positions of layer board around 15 preceding back of spacing support, 15 middle parts of spacing support and entity sand table contact, the left side wall and 11 left side wall parallel and level of layer board at 15 middle parts of spacing support, 15 left parts of spacing support are in 11 upsides of layer board, spacing support 15 sets up on layer board 11 through two electronic slip tables 16 of second, two electronic slip tables 16 of second set up respectively at 15 both ends of spacing support, pass through the bolt fastening between the sliding part of electronic slip table 16 of second and the 15 tip of spacing support, also pass through the bolt fastening between the base of electronic slip table 16 of second and layer board 11.
The virtual presentation mechanism comprises a support frame 21 and a transparent display screen 22.
The supporting frame 21 is of a metal frame structure, the size of the supporting frame 21 is 3 meters multiplied by 5 meters multiplied by 0.6 meter, the thickness of the frame of the supporting frame 21 is considered to be about 0.1 meter, the size of the transparent display screen 22 is determined to be 2.8 meters multiplied by 4.8 meters, the upper layer glass and the lower layer glass are thickened to improve the rigidity of the transparent display screen 22, and the supporting frame is installed on the peripheral side wall of the desktop of the supporting frame 21 and located below the supporting frame.
The inside cavity that places sand table adjustment mechanism that has of support frame 21, support frame 21 up end opening, transparent display screen 22 level are placed at support frame 21 opening part, and support frame 21 left side wall is opened has and supplies layer board 11 shift through hole.
A lamp strip can be further arranged in the support frame 21, and an LED circuit board is selected and used for the lamp strip and is installed on the inner side of the support frame 21. The lamp strip is used for highlighting an entity sand table below the display desktop, and demonstration effects are enhanced.
Before using, control four scissor lift platform 12 and reduce to the lowest position in step, start two electronic slip tables 14 of first and move to the maximum stroke position, the support frame 21 is stretched out to the layer board 11 left end, make two electronic slip tables 16 of second keep the minimum stroke position, the left side wall and the layer board 11 left side wall parallel and level in the middle part of spacing support 15, the entity sand table is placed behind the recess 11a of layer board 11, make the right side wall of entity sand table and the left side wall contact in the middle part of spacing support 15, accomplish the location of entity sand table, start two electronic slip tables 14 and resume to the minimum stroke position, four scissor lift platform 12 promote in step, until the entity sand table removes suitable height.
When the sand table is used, the entity sand table is matched with the transparent display screen 22, interactive display of the transparent display screen 22 and the entity sand table is achieved, the space position of the entity sand table can be controlled in real time, and functions of automatic replacement of the entity sand table, automatic adjustment of the distance and the position between the entity sand table with different heights and sizes and the transparent display screen 22, bidirectional interactive demonstration between entity sand table display and transparent display screen 22 imaging and the like are achieved.
When the solid sand table needs to be replaced or removed, the four scissor-type lifting platforms 12 are controlled to be synchronously lowered to the lowest position, the two first electric sliding tables 14 are started to move to the maximum stroke position, and the left end of the supporting plate 11 extends out of the supporting frame 21; similarly, when the two second electric sliding tables 16 are started to move to the maximum stroke position, the limiting bracket 15 pushes the solid sand table to move a certain distance to the left, so that the left end surface of the solid sand table extends out of the left end surface of the supporting plate 11 by a corresponding distance, and the solid sand table can be conveniently taken out from the supporting plate 11 or replaced by a new sand table.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as falling within the protection scope of the present invention.

Claims (3)

1. A composite sand table demonstration device is characterized in that:
comprises a virtual demonstration mechanism and a sand table adjusting mechanism;
the sand table adjusting mechanism comprises a supporting plate, a plurality of scissor type lifting platforms, a plurality of track assemblies and a plurality of first electric sliding tables, the upper end surface of the supporting plate is an area for placing an entity sand table, the scissor type lifting platforms are fixed with the supporting plate through the track assemblies, the track assemblies comprise first sliding rails and second sliding rails which are matched with each other, the first sliding rails and the supporting plate are fixed through bolts, the second sliding rails and the upper ends of the scissor type lifting platforms are fixed through bolts, the trend of the track assemblies is in the left-right direction, a base of the first electric sliding tables is fixedly connected with the second sliding rails of the track assemblies, a sliding part of the first electric sliding tables is fixedly connected with the supporting plate, the scissor type lifting platforms drive the supporting plate to lift, and all the scissor type lifting platforms lift synchronously;
the virtual demonstration mechanism comprises a support frame and a transparent display screen, a cavity for placing the sand table adjusting mechanism is formed in the support frame, the upper end face of the support frame is opened, the transparent display screen is horizontally placed at the opening of the support frame, and a through hole for the supporting plate to pass in and out is formed in the side wall of the support frame.
2. A composite sand table presentation device as claimed in claim 1, wherein:
the sand table adjusting mechanism further comprises a limiting support, and the limiting support is connected with the supporting plate.
3. A composite sand table presentation device as claimed in claim 2, wherein:
the limiting support is arranged on the supporting plate through two second electric sliding tables, the two second electric sliding tables are respectively arranged at two ends of the limiting support, the sliding portion of the second electric sliding table is fixed with the end portion of the limiting support, and the base of the second electric sliding table is fixed with the supporting plate.
CN201911338919.0A 2019-12-23 2019-12-23 Composite sand table demonstration device Pending CN110867126A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276033A (en) * 2020-03-24 2020-06-12 苏州育龙科教设备有限公司 Balanced section tracing erosion simulation demonstration device

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Publication number Priority date Publication date Assignee Title
CN204166838U (en) * 2014-11-17 2015-02-18 申屠益星 A kind of table top clear glass possesses the display cabinet of display and touch control operation function
CN204759888U (en) * 2015-06-12 2015-11-11 江苏大美天第文化产业有限公司 Can realize lift sand table of multi -angle show
CN206391538U (en) * 2016-12-26 2017-08-11 石河子大学 Psychotherapy sand table
CN206991733U (en) * 2017-06-29 2018-02-09 北京微美云息软件有限公司 Stereo holographical projection sand table
CN208065738U (en) * 2018-04-16 2018-11-09 公安消防部队高等专科学校 A kind of novel psychological sand table
CN108961970A (en) * 2018-06-19 2018-12-07 西安脉络企业管理咨询合伙企业(有限合伙) Tangible formula composite model electronic sand table production method and system
CN209281741U (en) * 2018-10-09 2019-08-20 天津科技大学 A kind of dairy food quality retrospect demonstration
CN209297602U (en) * 2018-07-05 2019-08-23 湖南财经工业职业技术学院 A kind of mobile sand table of Destination Management teaching
CN209373912U (en) * 2018-12-04 2019-09-10 沈阳理工大学 A kind of international trade course teaching sand table
CN209471601U (en) * 2018-03-28 2019-10-08 河南工业职业技术学院 A kind of Oral English Training displaying sand table
CN209657641U (en) * 2018-12-24 2019-11-19 王成芬 One kind being used for construction planning construction sand table
CN211016182U (en) * 2019-12-23 2020-07-14 中国人民解放军陆军装甲兵学院蚌埠校区 Composite sand table demonstration device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204166838U (en) * 2014-11-17 2015-02-18 申屠益星 A kind of table top clear glass possesses the display cabinet of display and touch control operation function
CN204759888U (en) * 2015-06-12 2015-11-11 江苏大美天第文化产业有限公司 Can realize lift sand table of multi -angle show
CN206391538U (en) * 2016-12-26 2017-08-11 石河子大学 Psychotherapy sand table
CN206991733U (en) * 2017-06-29 2018-02-09 北京微美云息软件有限公司 Stereo holographical projection sand table
CN209471601U (en) * 2018-03-28 2019-10-08 河南工业职业技术学院 A kind of Oral English Training displaying sand table
CN208065738U (en) * 2018-04-16 2018-11-09 公安消防部队高等专科学校 A kind of novel psychological sand table
CN108961970A (en) * 2018-06-19 2018-12-07 西安脉络企业管理咨询合伙企业(有限合伙) Tangible formula composite model electronic sand table production method and system
CN209297602U (en) * 2018-07-05 2019-08-23 湖南财经工业职业技术学院 A kind of mobile sand table of Destination Management teaching
CN209281741U (en) * 2018-10-09 2019-08-20 天津科技大学 A kind of dairy food quality retrospect demonstration
CN209373912U (en) * 2018-12-04 2019-09-10 沈阳理工大学 A kind of international trade course teaching sand table
CN209657641U (en) * 2018-12-24 2019-11-19 王成芬 One kind being used for construction planning construction sand table
CN211016182U (en) * 2019-12-23 2020-07-14 中国人民解放军陆军装甲兵学院蚌埠校区 Composite sand table demonstration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276033A (en) * 2020-03-24 2020-06-12 苏州育龙科教设备有限公司 Balanced section tracing erosion simulation demonstration device

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