CN211319525U - Economics simulation sand table - Google Patents
Economics simulation sand table Download PDFInfo
- Publication number
- CN211319525U CN211319525U CN202020377381.6U CN202020377381U CN211319525U CN 211319525 U CN211319525 U CN 211319525U CN 202020377381 U CN202020377381 U CN 202020377381U CN 211319525 U CN211319525 U CN 211319525U
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- China
- Prior art keywords
- bevel gear
- sand table
- lifting plate
- driven shaft
- interference fit
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- 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.)
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Abstract
The utility model discloses an economics simulation sand table, the on-line screen storage device comprises a base, base upper wall fixedly connected with electric telescopic handle, the base upper wall welding has a plurality of slide rails, every the lifter plate has been cup jointed in the common slip of slide rail, the diapire of lifter plate and electric telescopic handle's output fixed connection, the lifter plate upper wall is connected with the sand table through the round pin hub rotation, it is connected with the axis of rotation to run through the rotation in the lifter plate, one section interference fit that the axis of rotation is located the lifter plate inside has first bevel gear, first bevel gear meshing has second bevel gear, second bevel gear interference fit has first driven shaft, first driven shaft passes through the bearing rotation with the lifter plate inside wall and is connected, first driven shaft interference fit has a plurality of third bevel gears. The utility model discloses height and the every single move angle of sand table are adjusted by oneself to can convenient and fast for the student of back row also can be clear see the sand table, reach better teaching effect.
Description
Technical Field
The utility model relates to an economics technical field especially relates to an economics simulation sand table.
Background
Economics is the science of studying various economic activities and various corresponding economic relations of human society in various development stages and the laws of operation and development thereof. The economic relations are the mutual relations among people in economic activities, and the production relations are dominant in various economic relations. The simulation sand table is an experimental platform designed for role experience aiming at representing advanced modern enterprises and management technologies.
Among the prior art, the height and the every single move angle of the unable convenient and fast's of most simulation sand tables on the market regulation sand table by oneself for the student who sits at the back row is difficult for seeing the sand table clearly, does not reach fine teaching effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an economic simulation sand table.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an economics simulation sand table comprises a base, wherein an electric telescopic rod is fixedly connected to the upper wall of the base, a plurality of sliding rails are welded to the upper wall of the base, a lifting plate is sleeved on each sliding rail in a sliding mode, the bottom wall of each lifting plate is fixedly connected with the output end of the electric telescopic rod, the upper wall of each lifting plate is rotatably connected with the sand table through a pin shaft, a rotating shaft is rotatably connected into the lifting plates in a penetrating mode, a section, located inside each lifting plate, of each rotating shaft is in interference fit with a first bevel gear, each first bevel gear is meshed with a second bevel gear, each second bevel gear is in interference fit with a first driven shaft, the first driven shaft is rotatably connected with the inner side wall of each lifting plate through a bearing, a plurality of third bevel gears are in interference fit with the first driven shaft, each third bevel gear is meshed with a fourth bevel gear, and each fourth bevel, every the second driven shaft all passes through the rotation with the lifter plate roof through the bearing and is connected, the lifter plate roof is provided with sand table inclination adjusting device.
Preferably, one end of each second driven shaft, which is located outside the lifting plate, is in interference fit with a fifth bevel gear, each fifth bevel gear is meshed with a sixth bevel gear, the top wall of the lifting plate is welded with a plurality of first installation blocks, the top wall of the lifting plate is welded with a plurality of second installation blocks, a threaded rod is rotatably connected between each first installation block and each second installation block, each threaded rod is in penetrating and rotating connection with the corresponding first installation block through a bearing, one end of each threaded rod, which is far away from the second installation blocks, is in interference fit with the corresponding sixth bevel gear, each threaded rod is in threaded connection with a sliding block, a lower fixed seat is welded on the upper wall of each sliding block, each lower fixed seat is rotatably connected with a connecting rod through a pin shaft, and one end of each connecting rod, which is far away from the lower fixed seat, is rotatably connected with an upper fixed seat through a pin shaft, every go up the fixing base all with sand table welding.
Preferably, the rotating shaft is located the outside one end bonding of lifter plate and has the runner, the runner is rubber material and the outer wall sculpture has anti-skidding line.
Preferably, the sand table lateral wall all is provided with the curb plate, go up the fixing base with the lateral wall diapire welding of sand table.
Preferably, the thread lead angle of the threaded rod is smaller than the equivalent friction angle of the thread pair formed by the threaded rod and the sliding block.
Preferably, the bottom wall of the base is fixedly connected with a plurality of universal wheels, and the electric telescopic rod is an ANT-52 type electric telescopic rod.
The utility model discloses contrast prior art, its advantage lies in: the electric telescopic rod is opened, so that the lifting plate slides on the sliding rail, and the height of the sand table can be adjusted; after the altitude mixture control is suitable, rotate the runner, make the threaded rod rotate through the meshing transmission between each bevel gear, the threaded rod drives the slider and removes, removes about the fixing base under the drive, makes the up-and-down motion of last fixing base through the connecting rod, adjusts the every single move angle of sand table, can adjust the sand table to the best state of watching of student for the sand table reaches best teaching effect.
Drawings
Fig. 1 is a schematic structural diagram of an economics simulation sand table provided by the present invention.
Fig. 2 is a cross-sectional view of a portion a of the economics simulation sand table provided by the present invention.
Fig. 3 is a side view of an economics simulation sand table provided by the present invention.
In the figure: the device comprises a base 1, an electric telescopic rod 2, a sliding rail 3, a lifting plate 4, a rotating shaft 41, a first bevel gear 42, a second bevel gear 43, a first driven shaft 45, a third bevel gear 46, a fourth bevel gear 47, a second driven shaft 48, a fifth bevel gear 49, a sixth bevel gear 410, a rotating wheel 411, a first mounting block 5, a second mounting block 6, a threaded rod 7, a sliding block 8, a lower fixing seat 9, a connecting rod 10, a sand table 11, an upper fixing seat 12 and a universal wheel 101.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an economics simulation sand table comprises a base 1, an electric telescopic rod 2 is fixedly connected to the upper wall of the base 1, a plurality of sliding rails 3 are welded to the upper wall of the base 1, a lifting plate 4 is sleeved on each sliding rail 3 in a sliding manner, the bottom wall of each lifting plate 4 is fixedly connected with the output end of the electric telescopic rod 2, a sand table 11 is rotatably connected to the upper wall of each lifting plate 4 through a pin shaft, a rotating shaft 41 is rotatably connected in the lifting plate 4 in a penetrating manner, a first bevel gear 42 is in interference fit with one section of the rotating shaft 41 positioned in the lifting plate 4, a second bevel gear 43 is meshed with the first bevel gear 42, a first driven shaft 45 is in interference fit with the second bevel gear 43, the first driven shaft 45 is rotatably connected with the inner side wall of the lifting plate 4 through a bearing, a plurality of third bevel gears 46 are in interference fit with the first driven shaft 45, a fourth bevel gear 47 is meshed, every second driven shaft 48 all passes through the bearing with lifter plate 4 roof and rotates and be connected, and lifter plate 4 roof is provided with sand table inclination adjusting device.
One end of each second driven shaft 48, which is positioned outside the lifting plate 4, is in interference fit with a fifth bevel gear 49, each fifth bevel gear 49 is meshed with a sixth bevel gear 410, the top wall of the lifting plate 4 is welded with a plurality of first installation blocks 5, the top wall of the lifting plate 4 is welded with a plurality of second installation blocks 6, a threaded rod 7 is rotatably connected between each first installation block 5 and each second installation block 6, each threaded rod 7 is in penetrating and rotating connection with the corresponding first installation block 5 through a bearing, one end of each threaded rod 7, which is far away from the second installation blocks 6, is in interference fit with the corresponding sixth bevel gear 410, a sliding block 8 is in threaded connection with each threaded rod 7, a lower fixed seat 9 is welded on the upper wall of each sliding block 8, each lower fixed seat 9 is rotatably connected with a connecting rod 10 through a pin shaft, one end of each connecting rod 10, which is far away from the lower fixed seat 9, every goes up fixing base 12 and all welds with sand table 11, through rotating runner 411, rotates 411 and drives axis of rotation 41 and rotate, makes threaded rod 7 rotate through the meshing transmission between each bevel gear, can adjust sand table 11's every single move angle for the student is more clear sees the simulation sand table.
The one end that axis of rotation 41 is located the lifter plate 4 outside bonds and has runner 411, and runner 411 is rubber material and outer wall sculpture has anti-skidding line, and the rubber material is felt more comfortablely, and the anti-skidding line of outer wall prevents to appear skidding phenomenon at the in-process of rotating runner 411.
The 11 lateral walls of sand table all are provided with the curb plate, go up the lateral wall diapire welding of fixing base 12 and sand table 11.
The lead angle of the threaded rod 7 is smaller than the equivalent friction angle of a thread pair formed by the threaded rod 7 and the sliding block 8, and when the lead angle is smaller than the equivalent friction angle of the thread pair, the thread connection has a self-locking effect, so that the pitching angle of the sand table 11 can be fixed when the rotating wheel 411 is not rotated.
A plurality of universal wheels 101 of base 1 diapire fixedly connected with make things convenient for the removal of sand table, electric telescopic handle should adopt ANT-52 model electric telescopic handle, can increase electric telescopic handle's quantity according to actual conditions to guarantee the steady lift of sand table.
In the utility model, firstly, the sand table is pushed to a required position, the electric telescopic rod 2 is opened, the electric telescopic rod 2 makes the lifting plate 4 slide on the slide rail 3, the height of the sand table 11 is adjusted, the electric telescopic rod 2 is closed by adjusting to a proper position, the rotating wheel 411 is rotated, the rotating wheel 411 drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the first bevel gear 42 to rotate, the second bevel gear 43 meshed with the rotating shaft is driven to rotate, the second bevel gear 43 drives the first driven shaft 45 in interference fit with the first driven shaft 45 to rotate, the first driven shaft 45 drives the third bevel gear 46 in interference fit with the first driven shaft 45 to rotate, the fourth bevel gear 47 meshed with the third bevel gear 46 rotates along with the first driven shaft 48 in interference fit with the first driven shaft, the second driven shaft 48 drives the fifth bevel gear 49 to rotate, the sixth bevel gear 410 meshed with the first driven shaft is driven to rotate, the sixth, threaded rod 7 rotates and makes slider 8 remove about, and slip 8 drives down fixing base 9 and removes, drives fixing base 12 through connecting rod 10 and rotates, adjusts the every single move angle of sand table 11, and it can to rotate runner 411 and adjust sand table 11 to suitable every single move angle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The economic simulation sand table comprises a base (1) and is characterized in that an electric telescopic rod (2) is fixedly connected to the upper wall of the base (1), a plurality of sliding rails (3) are welded to the upper wall of the base (1), a lifting plate (4) is sleeved on each sliding rail (3) in a sliding mode, the bottom wall of each lifting plate (4) is fixedly connected with the output end of the electric telescopic rod (2), the upper wall of each lifting plate (4) is rotatably connected with a sand table (11) through a pin shaft, a rotating shaft (41) is rotatably connected in the lifting plate (4) in a penetrating mode, a section of the rotating shaft (41) located inside the lifting plate (4) is in interference fit with a first bevel gear (42), the first bevel gear (42) is meshed with a second bevel gear (43), the second bevel gear (43) is in interference fit with a first driven shaft (45), and the first driven shaft (45) is rotatably connected with the inner side wall of the lifting plate (, first driven shaft (45) interference fit has a plurality of third bevel gear (46), every third bevel gear (46) all meshes fourth bevel gear (47), every fourth bevel gear (47) all interference fit has second driven shaft (48), every second driven shaft (48) all pass through the bearing with lifter plate (4) roof and rotate the connection, lifter plate (4) roof is provided with sand table inclination adjusting device.
2. The economics simulation sand table according to claim 1, wherein one end of each second driven shaft (48) located outside the lifting plate (4) is interference fitted with a fifth bevel gear (49), each fifth bevel gear (49) is engaged with a sixth bevel gear (410), the top wall of the lifting plate (4) is welded with a plurality of first mounting blocks (5), the top wall of the lifting plate (4) is welded with a plurality of second mounting blocks (6), a threaded rod (7) is rotatably connected between each first mounting block (5) and each second mounting block (6), each threaded rod (7) is rotatably connected with the corresponding first mounting block (5) through a bearing, one end of each threaded rod (7) far away from the second mounting block (6) is interference fitted with the corresponding sixth bevel gear (410), each threaded rod (7) is threadedly connected with a sliding block (8), every slider (8) upper wall all welds fixing base (9) down, every fixing base (9) all are connected with connecting rod (10) through the round pin axle rotation down, every connecting rod (10) keep away from down the one end of fixing base (9) all through the round pin axle rotation be connected with fixing base (12), every go up fixing base (12) all with sand table (11) welding.
3. The economics simulation sand table according to claim 2, wherein one end of the rotating shaft (41) located outside the lifting plate (4) is bonded with a rotating wheel (411), the rotating wheel (411) is made of rubber, and the outer wall of the rotating shaft is engraved with anti-skid lines.
4. An economics simulation sand table according to claim 2, wherein the side walls of the sand table (11) are provided with side plates, and the upper fixing seat (12) is welded with the bottom wall of the side wall of the sand table (11).
5. An economic simulation sand table according to claim 2, characterized in that the lead angle of the threaded rod (7) is smaller than the equivalent friction angle of the thread pair formed by the threaded rod (7) and the sliding block (8).
6. An economics simulation sand table according to claim 1, wherein a plurality of universal wheels (101) are fixedly connected to the bottom wall of the base (1), and the electric telescopic rod (2) should be an ANT-52 model electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377381.6U CN211319525U (en) | 2020-03-23 | 2020-03-23 | Economics simulation sand table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377381.6U CN211319525U (en) | 2020-03-23 | 2020-03-23 | Economics simulation sand table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211319525U true CN211319525U (en) | 2020-08-21 |
Family
ID=72062517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020377381.6U Expired - Fee Related CN211319525U (en) | 2020-03-23 | 2020-03-23 | Economics simulation sand table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211319525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506505A (en) * | 2021-07-17 | 2021-10-15 | 东莞理工学院城市学院 | A simulation demonstration sand table for economic management |
| CN115142495A (en) * | 2022-07-09 | 2022-10-04 | 阜阳市颍泉水利建筑有限公司 | Integrated sewage treatment ecological restoration system |
-
2020
- 2020-03-23 CN CN202020377381.6U patent/CN211319525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506505A (en) * | 2021-07-17 | 2021-10-15 | 东莞理工学院城市学院 | A simulation demonstration sand table for economic management |
| CN115142495A (en) * | 2022-07-09 | 2022-10-04 | 阜阳市颍泉水利建筑有限公司 | Integrated sewage treatment ecological restoration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |