CN211742453U

CN211742453U - Three-dimensional digital sand table for urban planning construction

Info

Publication number: CN211742453U
Application number: CN201921683234.5U
Authority: CN
Inventors: 罗瑶; 郑卫民; 李志学; 张曦; 周松林; 颜紫科; 陈益平; 易海; 吴颖; 王雄
Original assignee: Hunan City University
Current assignee: Hunan City University
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-10-23
Anticipated expiration: 2029-10-10

Abstract

The utility model belongs to the technical field of display tools and discloses a three-dimensional digital sand table used in urban planning construction, which comprises a base and a sand table body, wherein the upper end surface of the base is provided with two fixed blocks and two bearing seats, a first screw rod is rotationally connected between the two bearing seats, the left half part and the right half part of the first screw rod are respectively provided with threads with opposite rotation directions, and the symmetry is provided with two first nuts, first nut rigid coupling has the backup pad, fixedly connected with dead lever between two fixed blocks, the rear end rigid coupling of backup pad has the sleeve, the sleeve cover is located on the dead lever, the up end rigid coupling of backup pad has the bracing piece, the top of bracing piece is provided with the pivot, the bottom symmetry of sand table body is provided with two wedges, a plurality of spouts have been seted up on the inclined plane of wedge, the coaxial rigid coupling in periphery of roller bearing has a plurality of discs with the spout adaptation, be provided with on the base and be used for driving first screw rod pivoted first motor. The device has simple structure, low production and use cost and convenient maintenance and replacement.

Description

Three-dimensional digital sand table for urban planning construction

Technical Field

The utility model relates to a show apparatus technical field specifically is a three-dimensional digital sand table for in city planning construction.

Background

The urban planning is a complex continuous decision process which standardizes urban development construction, researches urban future development, urban reasonable layout and comprehensively arranges the comprehensive deployment of various urban engineering constructions, is a blueprint of urban development in a certain period, is an important component of urban management, and determines that the urban planning is adjusted and continuously revised for a long time along with urban development and operation conditions according to the characteristics of a complex system of the city, and is continuously improved and perfected.

The digitalized sand table is also called as HOUSEBOX, and is capable of fully showing the characteristics of location areas by combining sound, light, electricity, images, three-dimensional animation and computer program control technology with a solid model, thereby achieving the dynamic visual effect of being unique and changing various positions. The method is a brand new experience for visitors and can generate strong resonance. Not only the model of the traditional sand table is kept, but also the multimedia display and interaction functions are added.

Generally, the digital sand table is required to be used for displaying and discussing in urban planning, the planning result is determined according to the feedback result, the height of the digital sand table is required to be adjusted according to different numbers of people participating in the displaying, the demonstration and explanation are convenient, people can watch the digital sand table conveniently, the existing digital sand table is complex in height adjusting structure, two motors are required to be used simultaneously, and the production and use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-dimensional digital sand table for in city planning construction, it is complicated to solve the structure of current digital sand table height-adjusting, needs to use two motors simultaneously, has increaseed production and use cost's problem.

The utility model provides a basic scheme is: a three-dimensional digital sand table for city planning construction comprises a base and a sand table body, wherein two fixed blocks and two bearing seats provided with bearings are arranged on the upper end face of the base, a first screw rod is rotatably connected between the two bearing seats through the bearings, the left half part and the right half part of the first screw rod are respectively provided with threads with opposite rotation directions, two first nuts are symmetrically arranged on the left half part and the right half part of the first screw rod, a supporting plate is fixedly connected to the upper side of each first nut, a fixed rod parallel to the first screw rod is fixedly connected between the two fixed blocks, a sleeve is fixedly connected to the end part of the supporting plate far away from the first nut, the sleeve is sleeved on the fixed rod, a supporting rod is fixedly connected to the upper end face of the supporting plate, a rotating shaft is arranged at the top end of the supporting rod, two wedge-shaped blocks are symmetrically arranged at the bottom of the sand table, and the inclined plane of two wedges is "eight" font, a plurality of spouts have been seted up on the inclined plane of wedge, the coaxial rigid coupling in periphery of pivot has a plurality of discs with the spout adaptation, the base up end is provided with first motor, first motor is used for driving first screw rod and rotates.

The working principle of the basic scheme is as follows: the first motor is started, the first motor rotates and drives the first screw rod to rotate, the two first nuts are opposite in rotating direction due to the threads of the first screw rod, the two first nuts are relatively far away, the rotating shaft above the supporting rod rolls along the inclined plane of the wedge block through the disc and is relatively far away, so that the sand table body is pushed to move upwards, the height of the sand table body is adjusted, and the first motor rotates reversely to adjust the height of the sand table body to fall.

The basic scheme has the beneficial effects that: the device can complete the height adjustment of the sand table through one motor, thereby reducing the production and use cost; the sand table is simple in structure, and the sand table body can be directly taken down, so that the sand table is convenient to maintain and replace.

Further, the upper end of sand table body is provided with the LED screen, the arbitrary relative both sides in upper end of sand table body are provided with the second screw rod, be provided with the second nut on the second screw rod, be provided with the connecting rod between two second nuts, the below detachable of connecting rod installs the cleaning brush, be provided with the second motor on the sand table body, the second motor is used for driving the second screw rod and rotates.

Because the sand table is often put in the exhibition room, the LED screen on it is dirty easily, influences people and watches, and through above-mentioned setting, the second motor drives the second screw rod and rotates, and the second screw rod drives the second nut and removes, makes the cleaning brush of connecting rod below make a round trip to wash the LED screen, easy operation has saved the manpower.

Further, the downside rigid coupling of connecting rod has the telescopic montant, and the lower extreme rigid coupling of montant has the baffle, the back of the brush head of cleaning brush is provided with the draw-in groove with the baffle adaptation.

Through the arrangement, the cleaning brush is simple to change and wash and convenient to disassemble.

Furthermore, any one end of the sand table body is hung with a handheld rod, the free end of the handheld rod is fixedly connected with a U-shaped fork arm, a rolling shaft is rotatably connected between the two ends of the U-shaped fork arm, and the rolling shaft is wound with a screen cleaning card.

Through the arrangement, the handheld rod can be held by a hand, the rolling shaft is rolled to the other end from one end of the LED screen, the screen cleaning card is covered on the LED screen, and dust is prevented from falling on the LED screen when the sand table is not used.

Further, the screen cleaning patch has a self-adhesive elastic layer.

Through the arrangement, the screen cleaning card has the function of cleaning the LED screen, and if foreign matters fall onto the sand table, the self-adhesive elastic layer also has the damping protection effect.

Further, the bottom of base is provided with the universal wheel.

Through the arrangement, the sand table is convenient to carry.

Drawings

Fig. 1 is a front view of a three-dimensional digital sand table used in urban planning and construction according to the present invention; a

Fig. 2 is a top view of the base of fig. 1.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the sand table comprises a base 1, a sand table body 2, universal wheels 3, a fixing block 4, a bearing seat 5, a first screw 6, a first nut 7, a supporting plate 8, a fixing rod 9, a sleeve 10, a supporting rod 11, a rotating shaft 12, a disc 13, a wedge-shaped block 14, a first motor 15, a second screw 16, a second nut 17, a connecting rod 18, a vertical rod 19, a guide plate 20, a cleaning brush 21, a second motor 22, a hook 23, a handheld rod 24, a U-shaped fork arm 25 and a rolling shaft 26.

The embodiment is shown in fig. 1 and fig. 2, a three-dimensional digital sand table used in urban planning construction comprises a base 1 and a sand table body 2, universal wheels 3 are arranged at four corners of the bottom of the base 1, two fixing blocks 4 and two bearing seats 5 provided with bearings are arranged on the upper end face of the base 1, a first screw 6 is rotatably connected between the two bearing seats 5 through the bearings, threads with opposite rotation directions are respectively arranged on the left half part and the right half part of the first screw 6, a limiting block is arranged between the left half part and the right half part of the first screw 6, two first nuts 7 are symmetrically arranged on the first screw 6 at two sides of the limiting block, a supporting plate 8 is fixedly connected on the upper side of each first nut 7, a fixing rod 9 parallel to the first screw 6 is fixedly connected between the two fixing blocks 4, a sleeve 10 is welded at the bottom of the rear end of the supporting plate 8, the sleeve 10 is sleeved on the fixing rod 9, the middle part welding of backup pad 8's up end has bracing piece 11, the top of bracing piece 11 is provided with the U-shaped clamp, it is connected with pivot 12 to rotate between the both ends of U-shaped clamp, the bottom bilateral symmetry of sand table body 2 is provided with two wedge 14, and the inclined plane of two wedge 14 is "eight" font, a plurality of spouts have been seted up on wedge 14's inclined plane, the coaxial rigid coupling in periphery of pivot 12 has a plurality of discs 13 with the spout adaptation, first motor 15 is installed in the left side of base 1 up end, the left end of first screw rod 6 passes bearing frame 5 and passes through the coaxial welding of output shaft of shaft coupling and first motor 15.

The upper end of sand table body 2 is provided with the LED screen, both sides all are provided with a pair of fixing base around the upper end of sand table body 2, it is connected with second screw rod 16 to rotate between every pair of fixing base, the cover is equipped with second nut 17 on the second screw rod 16, the welding has connecting rod 18 between two second nuts 17, telescopic montant 19 has been welded to the downside of connecting rod 18, the lower extreme integrated into one piece of montant 19 has baffle 20, the lower extreme of montant 19 is provided with cleaning brush 21, the back of the brush head of cleaning brush 21 is provided with the draw-in groove with the adaptation of baffle 20.

Second motor 22 is installed on the right side of the 2 up end of sand table body, and coaxial welding has the belt pulley on the output shaft of second motor 22, and the right-hand member of second screw rod 16 passes the fixing base of homonymy to same coaxial welding has the belt pulley, and second motor 22 passes through the belt and drives two second screw rods 16 and rotate.

The left end welding of sand table body 2 has couple 23, has hung handheld pole 24 on couple 23, and the free end of handheld pole 24 has fixedly connected with U-shaped yoke 25, rotates between the both ends of U-shaped yoke 25 to be connected with roller shaft 26, and the roller shaft 26 winding has the clean section of screen, and the clean section of screen has the self-adhesion elastic layer.

When the sand table cleaning machine works, the first motor 15 is started, the first motor 15 rotates and drives the first screw rod 6 to rotate, the two first nuts 7 are driven by the rotating first screw rod 6 to relatively keep away due to opposite thread rotating directions of the first screw rod 6, the rotating shaft 12 above the supporting rod 11 rolls along the inclined plane of the wedge block 14 through the disc 13 and relatively keeps away, so that the sand table body 2 is pushed to move upwards, the height of the sand table body 2 is adjusted to rise, the height of the sand table body 2 can be adjusted to fall by reversing the first motor 15, when the LED screen needs to be cleaned, the second motor 22 is started, the second motor 22 drives the second screw rod 16 to rotate, the second screw rod 16 drives the second nut 17 to move, the cleaning brush 21 below the connecting rod 18 is used for cleaning the LED screen back and forth, when the sand table is not used, the hand-held rod 24 can be held by hands, the rolling shaft 26 is rolled from one end of the LED screen to the other, the screen cleaning paste is overlaid on the LED screen.

The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a three-dimensional digital sand table for in city planning construction, includes base and sand table body, its characterized in that: the upper end face of the base is provided with two fixed blocks and two bearing seats which are provided with bearings, a first screw rod is connected between the two bearing seats through the rotation of the bearings, the left half part and the right half part of the first screw rod are respectively provided with threads with opposite rotation directions, two first nuts are symmetrically arranged on the left half part and the right half part of the first screw rod, a supporting plate is fixedly connected to the upper side of each first nut, a fixed rod which is parallel to the first screw rod is fixedly connected between the two fixed blocks, a sleeve is fixedly connected to the end part of the supporting plate far away from the first nut, the sleeve is sleeved on the fixed rod, a supporting rod is fixedly connected to the upper end face of the supporting plate, a rotating shaft is arranged at the top end of the supporting rod, two wedge blocks are symmetrically arranged at the bottom of the sand table body, the inclined faces of the two wedge blocks are in a shape like 'eight', the coaxial rigid coupling in periphery of pivot has a plurality of discs with the spout adaptation, the base up end is provided with first motor, first motor is used for driving first screw rod and rotates.

2. The three-dimensional digital sand table used in city planning construction according to claim 1, is characterized in that: the sand table comprises a sand table body and is characterized in that an LED screen is arranged at the upper end of the sand table body, second screw rods are arranged on any two opposite sides of the upper end of the sand table body, second nuts are arranged on the second screw rods, a connecting rod is arranged between the two second nuts, a cleaning brush is detachably arranged below the connecting rod, a second motor is arranged on the sand table body, and the second motor is used for driving the second screw rods to rotate.

3. The three-dimensional digital sand table used in city planning construction according to claim 2, is characterized in that: the downside rigid coupling of connecting rod has the telescopic montant, and the lower extreme rigid coupling of montant has the baffle, the back of the brush head of cleaning brush is provided with the draw-in groove with the baffle adaptation.

4. The three-dimensional digital sand table used in city planning construction according to claim 2, is characterized in that: any end of the sand table body is connected with a handheld rod in a hanging mode, the free end of the handheld rod is fixedly connected with a U-shaped fork arm, a rolling shaft is rotatably connected between the two ends of the U-shaped fork arm, and a screen cleaning card is wound on the rolling shaft.

5. The three-dimensional digital sand table used in city planning construction according to claim 4, is characterized in that: the screen cleaning patch has a self-adhesive elastic layer.

6. The three-dimensional digital sand table used in city planning construction according to claim 1, is characterized in that: the bottom of the base is provided with universal wheels.