CN114241878A - Conference room that conveniently demonstrates is with portable city planning demonstration sand table - Google Patents

Abstract

The invention relates to the technical field of demonstration sand tables, in particular to a conveniently-exhibited movable city planning demonstration sand table for a conference room, which comprises a base, a storage tank, grooves arranged at two sides of the top of the storage tank, a protective cover movably arranged at the top of the storage tank and a limiting block fixedly arranged at the bottom of the protective cover, wherein an extending mechanism and a supporting mechanism are arranged, when a main sand table extends to the outside of the storage tank, handles at two sides of two auxiliary sand tables are pulled outwards to enable the two auxiliary sand tables to slide at the tops of a sliding rail and a pulley so as to extend to the outside of a mounting groove, a three-dimensional street view for city planning is manufactured at the top of the main sand table in the process of manufacturing the sand table, a locally-enlarged street view effect can be manufactured at the top of the auxiliary sand table or reasonably utilized according to use requirements, the street view effect can be generally used for displaying a plane effect, space can be reasonably utilized better, and the city planning can be displayed in an all-round way, meanwhile, when the sand table is not used, the auxiliary sand table can be retracted into the mounting groove.

Description

Conference room that conveniently demonstrates is with portable city planning demonstration sand table

Technical Field

The invention relates to the technical field of demonstration sand tables, in particular to a convenient-to-display movable city planning demonstration sand table for a conference room.

Background

The sand table simulation is to representing advanced modern enterprise's operation and management technique, and the experimental platform that the role of design was experienced, and simulation sand table teaching aid mainly includes: six sand table quotations represent six competing simulation enterprises, and the simulation sand table has divided the function center according to the function department of manufacturing enterprise, including marketing and planning center, production center, logistics center and financial center, and all key links of enterprise operation have been covered in each function center. Through the operation of simulation enterprise, cultivate team's spirit, promote managerial ability comprehensively, the effect of demonstration sand table is comparatively extensive, can regard as one of city planning's demonstration mode, only manages more comprehensively and shows city planning's concrete effect.

In the prior art, the following problems exist:

(1) the existing demonstration sand table can not be used for conveniently and rapidly extending and displaying the sand table, the size of the sand table cannot be large due to limited activity space in an office, and partial detailed areas can not be displayed well and can not reasonably utilize effective space.

(2) The existing demonstration sand table can usually make visitors stand at macroscopic angles to observe the contents inside the sand table, and for city planning, visitors cannot observe the street environment in the sand table personally, so that the specific judgment of the city planning is influenced.

(3) The inside a large amount of dusts that can produce of model gap is used for a long time to present demonstration sand table and piles up, and long-time unable clearance leads to the demonstration effect of sand table poor, and the inside dust of limit seam passes through staff's manual clearance simultaneously, and difficult clean up also causes destruction, influence subsequent use to the sand table easily.

Disclosure of Invention

The invention aims to provide a conveniently-displayed movable city planning demonstration sand table for a conference room, so as to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a meeting room that conveniently demonstrates is with portable city planning demonstration sand table, includes base, storage tank, sets up the recess in storage tank top both sides, and movable mounting is at the protective cover at storage tank top and the stopper of fixed mounting in the protective cover bottom, still includes just to move mechanism, damper, supporting mechanism, dust absorption mechanism, receiving mechanism and monitoring mechanism, just move mechanism fixed mounting in base bottom both sides, damper fixed mounting is in base top both sides, damper top fixed mounting has the storage tank, the inside fixed mounting of storage tank has rotatory show mechanism, rotatory show mechanism top fixed mounting has main sand table, the inside both sides of main sand table are provided with extension mechanism, extension mechanism includes that two mounting grooves, four slide rails, the fixed mounting of difference in mounting groove inner wall both sides of main sand table are seted up respectively to two mounting grooves, the extension mechanism, A plurality of pulleys that cooperate respectively to install inside four slide rails and two respectively movable mounting at the inside supplementary sand table of two mounting grooves, supporting mechanism fixed mounting is in rotatory show mechanism outer wall both sides, dust absorption mechanism fixed mounting is in base one side, receiving mechanism fixed mounting is inboard at damper, monitoring mechanism fixed mounting is in main sand table top both sides.

Preferably, the moving mechanism comprises four universal wheels respectively fixedly mounted on two sides of the bottom of the base, four supporting blocks respectively fixedly mounted on two sides of the base, four electric lifting loop bars respectively fixedly mounted on the bottoms of the four supporting blocks, four ground feet respectively fixedly mounted on the telescopic ends of the four electric lifting loop bars, a plurality of movable blocks respectively fixedly mounted on two sides of the bottoms of the four ground feet, a plurality of movable hooks respectively movably mounted on the inner sides of the movable blocks, and four anti-slip pads respectively fixedly mounted on one sides of the movable hooks.

Preferably, damper includes four first installation pieces of fixed mounting respectively in base top both sides, four respectively the telescopic tube of fixed mounting at four first installation piece tops, four respectively fixed mounting at four inside fixed blocks of telescopic tube, four respectively movable mounting at the inboard telescopic link of four telescopic tubes, every all be connected with a expanding spring between fixed block and the telescopic link.

Preferably, rotatory show mechanism includes cylinder, push rod, mounting panel, electric turntable and connecting plate, the cylinder runs through fixed mounting perpendicularly in the storage tank bottom, the output at the cylinder is connected to the push rod, mounting panel fixed mounting is on the push rod top, electric turntable fixed mounting is at the mounting panel top, connecting plate fixed mounting is at the electric turntable top.

Preferably, the supporting mechanism comprises two pin shafts fixedly mounted on two sides of the mounting plate respectively, two lifting sleeves hinged on two sides of the mounting plate through two pin shafts respectively, two extension rods movably mounted on the inner sides of the two lifting sleeves respectively, a plurality of limiting holes respectively formed in one side of the two extension rods, two limiting rods movably mounted on the inner sides of the limiting holes respectively, two second mounting blocks fixedly mounted at one ends of the two extension rods respectively, and two fixing bolts vertically penetrating through one side of the two second mounting blocks respectively.

Preferably, the dust collection mechanism comprises a supporting plate, a bag dust collector, an air inlet, a hose, a threaded rod and a threaded sleeve, the supporting plate is fixedly mounted on one side of the base, the bag dust collector is fixedly mounted on the top of the supporting plate, the air inlet is formed in one side of the bag dust collector, the hose is movably and fixedly mounted on one side of the air inlet, the threaded rod is fixedly mounted at one end of the hose, the threaded sleeve is formed in the top of the protective cover, and the threaded rod is matched with the threaded sleeve.

Preferably, the accommodating mechanism comprises two support rods which are respectively fixedly arranged on two sides of the outer wall of the four telescopic sleeves, an installation box fixedly arranged at the tops of the two support rods, two sliding chutes which are respectively fixedly arranged at the bottom of the inner wall of the installation box, two sliding blocks which are respectively arranged on the inner sides of the two sliding chutes in a matched manner, and an accommodating box fixedly arranged at the tops of the two sliding blocks.

Preferably, the monitoring mechanism comprises two screw rod sliding tables which are fixedly installed on two sides of the top of the main sand table respectively, two clamping grooves which are formed in the tops of sliding blocks of the two screw rod sliding tables respectively, two clamping blocks which are installed on the inner sides of the two clamping grooves in a matched mode respectively, and two cameras which are fixedly installed on the tops of the clamping blocks respectively.

The invention provides a conveniently-displayed movable city planning demonstration sand table for a conference room by improvement, and compared with the prior art, the conveniently-displayed movable city planning demonstration sand table has the following improvements and advantages:

firstly, the invention is provided with the extending mechanism and the supporting mechanism, when the main sand table extends to the outside of the storage tank, the handles at the two sides of the two auxiliary sand tables are pulled outwards to enable the two auxiliary sand tables to slide at the tops of the slide rails and the pulleys, thereby extending to the outside of the mounting groove, in the process of manufacturing the sand tables, a three-dimensional street view for city planning is manufactured at the top of the main sand table, a locally enlarged street view effect can be manufactured at the top of the auxiliary sand table or can be reasonably utilized according to the use requirement, the plane effect can be usually used for displaying, the space can be better and reasonably utilized, the city planning can be displayed in an omnibearing way, meanwhile, when the sand tables stop using, the auxiliary sand tables can be retracted into the mounting groove, more meeting room space can not be occupied, the storage can be better carried out, the use is convenient and fast, the use efficiency of the sand tables is improved, when the auxiliary sand tables extend, pulling the lifting sleeve makes the round pin axle rotation that the lifting sleeve drove the mounting panel both sides open to suitable angle, pull the extension rod again and make the extension rod take out in the lifting sleeve inboard, hug closely in supplementary sand table bottom until second installation piece, insert spacing downthehole portion with the gag lever post, fix the extension rod, twist again and move fixing bolt and make fixing bolt fix second installation piece and supplementary sand table, can play a fine supporting role to supplementary sand table, prevent that supplementary sand table gravity center skew from leading to slope or collapse when carrying out the rotation demonstration, influence the effect of demonstration, can make sand table more stable and firm.

Secondly, the monitoring mechanism is arranged, the camera is pushed to enable the camera to drive the clamping block at the bottom to be clamped and fixed with the clamping groove formed in the top of the sliding block of the screw rod sliding table, so that the camera is fixedly installed at the top of the sliding block of the screw rod sliding table, the camera is electrically connected with the display of the conference room, the screw rod sliding table is opened to enable the sliding block of the screw rod sliding table to drive the camera to move back and forth at a constant speed, meanwhile, pictures shot by the camera are synchronously transmitted to the display of the conference room, the sand table can be observed from different angles more intuitively, so that details in different sand tables can be observed, various details of city planning are combined, the sand tables are more practical, the functions are more extensive, and the demonstration effect is better.

Thirdly, the dust collection mechanism is arranged, when the sand table is used, the protective cover is pushed downwards to enable the limiting blocks on two sides of the bottom of the protective cover to be inserted into the grooves formed in two sides of the top of the storage groove, the protective cover is fixedly installed, the threaded rod is rotated to enable the threaded rod to drive the hose and the threaded sleeve formed in the top of the protective cover to be screwed and fixed, the bag type dust collector is opened again to enable the bag type dust collector to suck dust in the sand table into the bag type dust collector through the hose, the interior of the sand table can be cleaned more quickly and conveniently, the dust in the interior of the sand table is prevented from being accumulated more after long-time use, workers cannot clean the dust well, subsequent use of the sand table is affected, and the bag type dust collector is arranged, so that dust collection is more efficient and convenient, and the function of the sand table is more comprehensive.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the support mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2B according to the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention.

Description of reference numerals: 1. a base; 2. a mechanism for facilitating movement; 21. a universal wheel; 22. a support block; 23. an electric lifting loop bar; 24. ground feet; 25. a movable block; 26. a movable hook; 27. a non-slip mat; 3. a damping mechanism; 31. a first mounting block; 32. a telescopic sleeve; 33. a fixed block; 34. a tension spring; 35. a telescopic rod; 4. a storage tank; 5. a rotary display mechanism; 51. a cylinder; 52. a push rod; 53. mounting a plate; 54. An electric turntable; 55. a connecting plate; 6. a main sand table; 7. an extension mechanism; 71. mounting grooves; 72. a slide rail; 73. a pulley; 74. an auxiliary sand table; 8. a support mechanism; 81. a pin shaft; 82. a lifting sleeve; 83. an extension pole; 84. a limiting hole; 85. a limiting rod; 86. a second mounting block; 87. fixing the bolt; 9. a groove; 10. a protective cover; 11. a limiting block; 12. a dust suction mechanism; 121. a support plate; 122. a bag dust collector; 123. an air inlet; 124. a hose; 125. a threaded rod; 126. a threaded sleeve; 13. a storage mechanism; 131. a support bar; 132. mounting a box; 133. a chute; 134. a slider; 135. a storage box; 14. a monitoring mechanism; 141. a screw rod sliding table; 142. a card slot; 143. a clamping block; 144. a camera is provided.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a conveniently-displayed movable city planning demonstration sand table for a conference room by improvement, and the technical scheme of the invention is as follows:

the first embodiment is as follows:

as shown in fig. 1-6, a conveniently displayed movable city planning demonstration sand table for conference rooms comprises a base 1, a storage tank 4, grooves 9 formed in two sides of the top of the storage tank 4, a protective cover 10 movably mounted on the top of the storage tank 4, a limiting block 11 fixedly mounted at the bottom of the protective cover 10, a portable moving mechanism 2, a damping mechanism 3, a supporting mechanism 8, a dust collection mechanism 12, a storage mechanism 13 and a monitoring mechanism 14, wherein the portable moving mechanism 2 is fixedly mounted on two sides of the bottom of the base 1, the damping mechanism 3 is fixedly mounted on two sides of the top of the base 1, the storage tank 4 is fixedly mounted at the top of the damping mechanism 3, a rotary display mechanism 5 is fixedly mounted inside the storage tank 4, a main sand table 6 is fixedly mounted at the top of the rotary display mechanism 5, extension mechanisms 7 are arranged on two sides inside the main sand table 6, and each extension mechanism 7 comprises two mounting grooves 71, a first mounting groove, a second groove, a third groove and a third groove 14, Four slide rails 72 of fixed mounting respectively in mounting groove 71 inner wall both sides, a plurality of pulley 73 and two respectively movable mounting at two inside supplementary sand tables 74 of mounting groove 71 of cooperation installation respectively in four inside slide rails 72, 8 fixed mounting of supporting mechanism are in 5 outer wall both sides of rotatory show mechanism, 12 fixed mounting of dust absorption mechanism are in base 1 one side, receiving mechanism 13 fixed mounting is inboard at damper 3, monitoring mechanism 14 fixed mounting is in 6 top both sides of main sand table.

The above-described specific embodiment: when main sand table 6 extends to the outside of storage tank 4, the handle of two supplementary sand table 74 both sides of outside pulling makes two supplementary sand table 74 slide at the top of slide rail 72 and pulley 73, thereby it is outside to extend to mounting groove 71, make the three-dimensional street view of city planning at main sand table 6 top in the in-process of carrying out the sand table preparation, can make the street view effect of local enlargement or rationally utilize according to the demand of use at supplementary sand table 74 top, can be used for showing the plane effect usually, rational utilization space that can be better, the omnidirectional shows city planning, can withdraw supplementary sand table 74 inside mounting groove 71 when the sand table stops to use simultaneously, can not occupy more meeting room space, better accomodating, it is convenient quick to use, the availability factor of sand table has been promoted.

Specifically, the convenient moving mechanism 2 comprises four universal wheels 21 respectively fixedly arranged at two sides of the bottom of the base 1, four supporting blocks 22 respectively fixedly arranged at two sides of the base 1, four electric lifting loop bars 23 respectively fixedly arranged at the bottoms of the four supporting blocks 22, four ground feet 24 respectively fixedly arranged at the telescopic ends of the four electric lifting loop bars 23, a plurality of movable blocks 25 respectively fixedly arranged at two sides of the bottom of the four ground feet 24, a plurality of movable hooks 26 respectively movably arranged at the inner sides of the movable blocks 25 and four anti-slip pads 27 respectively fixedly arranged at one sides of the movable hooks 26, the device can be moved and fixed more conveniently by arranging the universal wheels 21, the supporting blocks 22, the electric lifting loop bars 23, the ground feet 24, the movable blocks 25, the movable hooks 26 and the anti-slip pads 27, so as to be convenient for moving the device according to the space of a conference room and the use requirement, meanwhile, the device can be fixed more quickly.

Concretely, damper 3 includes four first installation pieces 31 of difference fixed mounting in 1 top both sides of base, four respectively the telescopic sleeve 32 at four first installation piece 31 tops of fixed mounting, four respectively fixed mounting are at the inside fixed block 33 of four telescopic sleeve 32, four respectively movable mounting are at the inboard telescopic link 35 of four telescopic sleeve 32, all be connected with an expanding spring 34 between every fixed block 33 and the telescopic link 35, through being provided with first installation piece 31, telescopic sleeve 32, fixed block 33, expanding spring 34 and telescopic link 35, can be fine carry out the shock attenuation to the sand table, prevent that the sand table from rocking in-process production that carries out rotatory show, lead to dropping of model on the sand table, can play better stable effect to the sand table.

Specifically, rotatory show mechanism 5 includes cylinder 51, push rod 52, mounting panel 53, electric turntable 54 and connecting plate 55, cylinder 51 runs through fixed mounting perpendicularly in the 4 bottoms of storage tank, push rod 52 is connected at cylinder 51's output, mounting panel 53 fixed mounting is on the push rod 52 top, electric turntable 54 fixed mounting is at the mounting panel 53 top, connecting plate 55 fixed mounting is at electric turntable 54 top, through being provided with cylinder 51, push rod 52, mounting panel 53, electric turntable 54 and connecting plate 55, can be better carry out rotatory show to the sand table, so that conference personnel can follow a plurality of angles and observe the sand table, demonstrate more comprehensively.

Specifically, the supporting mechanism 8 includes two pin shafts 81 fixedly installed on two sides of the mounting plate 53, two lifting sleeves 82 hinged to two sides of the mounting plate 53 through two pin shafts 81, two extension rods 83 movably installed on inner sides of the two lifting sleeves 82, a plurality of limiting holes 84 respectively opened on one sides of the two extension rods 83, two limiting rods 85 movably installed on inner sides of the limiting holes 84, two second mounting blocks 86 fixedly installed on one ends of the two extension rods 83, and two fixing bolts 87 vertically penetrating through one sides of the two second mounting blocks 86, and by providing the pin shafts 81, the lifting sleeves 82, the extension rods 83, the limiting holes 84, the limiting rods 85, the second mounting blocks 86, and the fixing bolts 87, a good supporting function can be provided for the auxiliary sand table 74, so as to prevent the auxiliary sand table 74 from inclining or collapsing due to gravity center shift during rotation demonstration, the demonstration effect is influenced, and the sand table can be more stable and firm.

Specifically, the dust collection mechanism 12 comprises a support plate 121, a bag dust collector 122, an air inlet 123, a hose 124, a threaded rod 125 and a threaded sleeve 126, the support plate 121 is fixedly installed on one side of the base 1, the bag dust collector 122 is fixedly installed on the top of the support plate 121, the air inlet 123 is arranged on one side of the bag dust collector 122, the hose 124 is movably and fixedly installed on one side of the air inlet 123, the threaded rod 125 is fixedly installed at one end of the hose 124, the threaded sleeve 126 is arranged on the top of the protective cover 10, the threaded rod 125 is matched with the threaded sleeve 126, the support plate 121, the bag dust collector 122, the air inlet 123, the hose 124, the threaded rod 125 and the threaded sleeve 126 are arranged, the interior of the sand table can be cleaned more quickly and conveniently, more dust accumulation in long-time use is prevented, workers cannot clean well, subsequent use of the sand table is influenced, and the bag dust collector 122 is arranged, can make the more high-efficient convenient of dust removal, the function of sand table is more comprehensive.

Specifically, receiving mechanism 13 includes two bracing pieces 131 of fixed mounting respectively in four flexible cover 32 outer wall both sides, fixed mounting is at the mounting box 132 at two bracing piece 131 tops, two respectively fixed mounting are at the spout 133 of mounting box 132 inner wall bottom, two respectively the cooperation install at the inboard slider 134 of two spouts 133 and the receiver 135 at two slider 134 tops, through being provided with bracing piece 131, mounting box 132, spout 133, slider 134 and receiver 135, can be convenient for more accomodate the sand table model and deposit, can more quick take when the model is changed to needs, simultaneously also can not lose easily of model, it is more convenient to use.

Specifically, the monitoring mechanism 14 includes two screw rod sliding tables 141 respectively fixedly mounted on both sides of the top of the main sand table 6, two clamping grooves 142 respectively formed at the tops of the sliding blocks of the two screw rod sliding tables 141, two clamping blocks 143 respectively mounted on the inner sides of the two clamping grooves 142 in a matched manner, and two cameras 144 respectively fixedly mounted at the tops of the clamping blocks 143, through being provided with the screw rod sliding tables 141, the clamping grooves 142, the clamping blocks 143 and the cameras 144, the sand table can be observed from different angles more visually, so that the details inside the different sand tables can be observed, various details of city planning can be combined, the sand table is more practical, the functions are more extensive, and the demonstration effect is better.

The working principle is as follows: firstly, an external power supply is connected, the storage tank 4 is pushed to enable the storage tank 4 to drive the universal wheels 21 at the bottom of the base 1 to roll and move, when the storage tank 4 moves to a proper position, the electric lifting sleeve rod 23 is opened to enable the electric lifting sleeve rod 23 to drive the feet 24 to move downwards, the feet 24 are enabled to be abutted against the ground, the anti-skid pads 27 at the bottoms of the feet 24 can play a role in skid resistance, the whole device is fixed, the air cylinder 51 is opened to enable the push rod 52 to drive the mounting plate 53 to move upwards and move to the outside of the storage tank 4, the handles at the two sides of the two auxiliary sand tables 74 are pulled outwards to enable the two auxiliary sand tables 74 to slide on the tops of the sliding rails 72 and the pulleys 73 so as to extend to the outside of the mounting groove 71, a three-dimensional street view for city planning is manufactured at the top of the main sand table 6 in the process of manufacturing the sand tables, a locally enlarged street view effect can be manufactured at the tops of the auxiliary sand tables 74 or reasonably utilized according to use requirements, then, when the auxiliary sand table 74 extends, the lifting sleeve 82 is pulled to enable the lifting sleeve 82 to drive the pin shafts 81 on the two sides of the mounting plate 53 to rotate and open to a proper angle, the extension rod 83 is pulled to enable the extension rod 83 to be drawn out on the inner side of the lifting sleeve 82 until the second mounting block 86 is tightly attached to the bottom of the auxiliary sand table 74, the limiting rod 85 is inserted into the limiting hole 84 to fix the extension rod 83, the fixing bolt 87 is screwed to enable the fixing bolt 87 to fix the second mounting block 86 and the auxiliary sand table 74, the electric rotating disc 54 is opened to enable the electric rotating disc 54 to drive the connecting plate 55 to drive the main sand table 6 to rotate at a constant speed, then the camera 144 is pushed to enable the camera 144 to drive the fixture block 143 on the bottom to be fixedly clamped with the fixture groove 142 arranged on the top of the sliding block of the screw rod sliding table 141, so that the camera 144 is fixedly arranged on the top of the sliding block of the screw rod 141, and a display of a conference room of the camera 144 is electrically connected, open lead screw slip table 141 and make lead screw slip table 141's sliding block drive camera 144 make a round trip to move at the uniform velocity, the picture synchronous transmission that camera 144 shot simultaneously is to the display in meeting room, at last when the sand table finishes using, promote protecting cover 10 downwards and make the stopper 11 of protecting cover 10 bottom both sides insert and set up inside the recess 9 of 4 top both sides of storage tank, carry out fixed mounting to protecting cover 10, it screws up fixedly to rotate threaded rod 125 again to make threaded rod 125 drive hose 124 and set up at the thread bush 126 at protecting cover 10 top, it makes inside bag dust collector 122 inhale bag dust collector 122 through hose 124 with the inside dust of sand table to open bag dust collector 122 again, wherein the model of electric lift loop bar 23 is: YS-NZ100-12A, the model of the air cylinder 51 is as follows: XYDA 24-800, the model number of electric turntable 54 is: DG60-5, the model of the bag dust collector 122 is: JDS-230M, the model of lead screw slip table 141 is: PKH40, model number of camera 144: XY-R9820-K2.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a meeting room that conveniently demonstrates is with portable city planning demonstration sand table, includes base (1), storage tank (4), sets up recess (9) in storage tank (4) top both sides, and movable mounting is in protective cover (10) and stopper (11) of fixed mounting in protective cover (10) bottom at storage tank (4) top, its characterized in that: still including just moving mechanism (2), damper (3), supporting mechanism (8), dust absorption mechanism (12), receiving mechanism (13) and monitoring mechanism (14), just move mechanism (2) fixed mounting in base (1) bottom both sides, damper (3) fixed mounting in base (1) top both sides, damper (3) top fixed mounting has storage tank (4), storage tank (4) inside fixed mounting has rotatory show mechanism (5), rotatory show mechanism (5) top fixed mounting has main sand table (6), main sand table (6) inside both sides are provided with extension mechanism (7), extend mechanism (7) including two mounting grooves (71) of seting up respectively in main sand table (6) inside both sides, four slide rail (72) of fixed mounting respectively in mounting groove (71) inner wall both sides, A plurality of pulleys (73) and two inside respectively movable mounting at two mounting grooves (71) of cooperation respectively are installed in four slide rails (72) auxiliary sand table (74), supporting mechanism (8) fixed mounting is in rotatory show mechanism (5) outer wall both sides, dust absorption mechanism (12) fixed mounting is in base (1) one side, receiving mechanism (13) fixed mounting is inboard at damper (3), monitoring mechanism (14) fixed mounting is in main sand table (6) top both sides.

2. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: the convenient moving mechanism (2) comprises four universal wheels (21) which are fixedly arranged on two sides of the bottom of the base (1) respectively, four supporting blocks (22) which are fixedly arranged on two sides of the base (1) respectively, four electric lifting loop bars (23) which are fixedly arranged on the bottoms of the four supporting blocks (22) respectively, four ground feet (24) which are fixedly arranged on the telescopic ends of the four electric lifting loop bars (23) respectively, a plurality of movable blocks (25) which are fixedly arranged on two sides of the bottom of the four ground feet (24) respectively, a plurality of movable hooks (26) which are movably arranged on the inner sides of the movable blocks (25) respectively and four anti-skid pads (27) which are fixedly arranged on one sides of the movable hooks (26) respectively.

3. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: damper (3) include four respectively fixed mounting first installation piece (31) of base (1) top both sides, four respectively fixed mounting at the flexible cover (32) at four first installation piece (31) tops, four respectively fixed mounting fixed block (33) inside four flexible covers (32), four respectively movable mounting at four telescopic link (35) inboard telescopic link (32), every all be connected with one expanding spring (34) between fixed block (33) and telescopic link (35).

4. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: rotatory show mechanism (5) include cylinder (51), push rod (52), mounting panel (53), electric turntable (54) and connecting plate (55), fixed mounting is run through perpendicularly in storage tank (4) bottom in cylinder (51), the output at cylinder (51) is connected in push rod (52), mounting panel (53) fixed mounting is on push rod (52) top, electric turntable (54) fixed mounting is at mounting panel (53) top, connecting plate (55) fixed mounting is at electric turntable (54) top.

5. The portable city planning demonstration sand table for conference room convenient for demonstration according to claim 4, characterized in that: the supporting mechanism (8) comprises two pin shafts (81) which are fixedly arranged on two sides of the mounting plate (53) respectively, two lifting sleeves (82) which are hinged on two sides of the mounting plate (53) through the two pin shafts (81) respectively, two extension rods (83) which are movably arranged on the inner sides of the two lifting sleeves (82) respectively, a plurality of limiting holes (84) which are arranged on one side of the two extension rods (83) respectively, two limiting rods (85) which are movably arranged on the inner sides of the limiting holes (84) respectively, two second mounting blocks (86) which are fixedly arranged on one ends of the two extension rods (83) respectively and two fixing bolts (87) which penetrate through one side of the two second mounting blocks (86) respectively and vertically.

6. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: dust absorption mechanism (12) are including backup pad (121), sack dust collector (122), air intake (123), hose (124), threaded rod (125) and thread bush (126), backup pad (121) fixed mounting is in base (1) one side, sack dust collector (122) fixed mounting is at backup pad (121) top, air intake (123) are seted up in sack dust collector (122) one side, flexible fixed mounting is in air intake (123) one side in hose (124), threaded rod (125) fixed mounting is in hose (124) one end, thread bush (126) are seted up at protective cover (10) top, threaded rod (125) and thread bush (126) phase-match.

7. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: the storage mechanism (13) comprises two support rods (131) which are respectively fixedly mounted on two sides of the outer walls of the four telescopic sleeves (32), a mounting box (132) which is fixedly mounted at the tops of the two support rods (131), two sliding grooves (133) which are respectively fixedly mounted at the bottom of the inner wall of the mounting box (132), two sliding blocks (134) which are respectively mounted on the inner sides of the two sliding grooves (133) in a matched mode, and a storage box (135) which is fixedly mounted at the tops of the two sliding blocks (134).

8. The portable city planning demonstration sand table for conference room convenient for exhibition according to claim 1, characterized in that: the monitoring mechanism (14) comprises two screw rod sliding tables (141) which are fixedly mounted on two sides of the top of the main sand table (6) respectively, two clamping grooves (142) which are formed in the tops of sliding blocks of the two screw rod sliding tables (141) respectively, two clamping blocks (143) which are mounted on the inner sides of the two clamping grooves (142) in a matched mode respectively, and two cameras (144) which are fixedly mounted on the tops of the clamping blocks (143) respectively.

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