CN213183276U

CN213183276U - Photogrammetry teaching simulation sand table with good display effect

Info

Publication number: CN213183276U
Application number: CN202021295063.1U
Authority: CN
Inventors: 刘保红; 杨玉平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-11
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a photogrammetry teaching simulation sand table that the bandwagon effect is good relates to the teaching equipment field, including the show case, be equipped with two chamber doors on the show case, the equal fixed mounting in one side that show case and two chamber doors kept away from each other has two hinges, has seted up the shifting chute on the bottom side inner wall of show case, and movable mounting has two movable blocks in the shifting chute. The utility model discloses a rotate L type crank, can drive sand table show board and reciprocate, and then can protect the show sand table, avoid the sand table to receive the damage, the accuracy of sand table has been guaranteed, the next time of being convenient for teaching continues to use, the teaching time has been practiced thrift, through rotating the fastener, can loosen or fixed flexible post, and then can adjust the overall height of sand table through removing flexible post, make the sand table can demonstrate under the co-altitude, be applicable to the student of co-altitude not, further improvement the bandwagon's bandwagon show effect.

Description

Photogrammetry teaching simulation sand table with good display effect

Technical Field

The utility model relates to a teaching equipment field, in particular to photogrammetry teaching simulation sand table that bandwagon effect is good.

Background

Photogrammetry is to use the image acquired by an optical camera to obtain the shape, size, position, characteristics and mutual relations of the object to be shot through processing, and in the photogrammetry teaching process, a simulation sand table is often needed to improve the whole teaching quality.

Present sand table for teaching is direct naked placing generally, carelessly can touch the sand table easily, and then can cause certain damage to the sand table, the accuracy of sand table has been influenced, be not convenient for follow-up continuation is used, need arrange the sand table again, teaching time has been wasted, present teaching sand table show height is unchangeable simultaneously, when needs are to the not student of co-altitude show, certain limitation has, the bandwagon effect is lower, therefore we disclose a photogrammetry teaching simulation sand table that the bandwagon effect is good and satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photogrammetry teaching simulation sand table that the bandwagon effect is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photogrammetry teaching simulation sand table that bandwagon effect is good, includes the show case, be equipped with two chamber doors on the show case, the equal fixed mounting in one side that show case and two chamber doors kept away from each other has two hinges, has seted up the shifting chute on the bottom side inner wall of show case, and movable mounting has two movable blocks in the shifting chute, and the top side of two movable blocks extends to outside the shifting chute and all rotates and install the gangbar, and the top of two gangbars is rotated and is installed same sand table show board, and the equal fixed mounting in bottom side position all around of show case has the support column.

Preferably, threaded holes are formed in one side, close to each other, of each of the two moving blocks, internal threads of the two threaded holes are oppositely arranged, a threaded rod is arranged in the display box, and one end of the threaded rod penetrates through the two threaded holes in sequence and is rotatably installed on the inner wall of one side of the display box.

Preferably, a screw rod through hole is formed in the inner wall of one side of the display box, and the other end of the threaded rod penetrates through the screw rod through hole and is fixedly provided with an L-shaped hand crank.

Preferably, the bottom side of the support column is provided with a telescopic groove, and a telescopic column is movably arranged in the telescopic groove.

Preferably, the bottom side of the telescopic column extends out of the telescopic groove and is fixedly provided with a universal self-locking wheel.

Preferably, the support column is provided with a fastening piece, the inner wall of one side of the telescopic groove is provided with a fastening hole, and one end of the fastening piece penetrates through the fastening hole and is in contact with one side of the telescopic column.

Preferably, handles are fixedly mounted on the top sides of the two box doors.

The utility model discloses a technological effect and advantage:

1. in the utility model, by utilizing the design of the L-shaped crank handle, the threaded rod, the moving blocks, the linkage rods and the sand table display board, when the L-shaped crank handle is rotated, the L-shaped crank handle rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the two moving blocks to mutually approach or keep away from, the moving blocks move to drive the linkage rods to rotate, the linkage rods rotate to drive the sand table display board to move up and down, and then the sand table display board can be moved out of the display box to be displayed for teaching or can be withdrawn into the display box, so that the display sand table can be protected, the sand table is prevented from being damaged, the accuracy of the sand table is ensured, the sand table can be continuously used for next teaching, and the teaching time;

2. the utility model discloses in, utilize the design of flexible post and fastener, when rotating the fastener, can loosen or fixed flexible post, can adjust the whole height of sand table through removing flexible post for the sand table can demonstrate under the co-altitude, is applicable to the student of co-altitude not, further improvement the bandwagon effect.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the front view structure of the present invention.

Fig. 4 is an enlarged schematic structural diagram of the present invention at B1 in fig. 3.

Fig. 5 is an enlarged schematic structural diagram of the present invention at B2 in fig. 3.

In the figure: 1. a display box; 2. a box door; 3. a hinge; 4. a moving groove; 5. a moving block; 6. a linkage rod; 7. a sand table display board; 8. a support pillar; 9. a threaded hole; 10. a threaded rod; 11. an L-shaped hand crank; 12. a telescopic groove; 13. a telescopic column; 14. a universal self-locking wheel; 15. a fastening hole; 16. a fastener; 17. a handle.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a photogrammetry teaching simulation sand table with good display effect as shown in figures 1-5, which comprises a display box 1, two box doors 2 are arranged on the display box 1, two hinges 3 are fixedly arranged on the sides of the display box 1 and the two box doors 2 away from each other, a moving groove 4 is arranged on the inner wall of the bottom side of the display box 1, two moving blocks 5 are movably arranged in the moving groove 4, the top sides of the two moving blocks 5 extend to the outside of the moving groove 4 and are respectively and rotatably provided with a linkage rod 6, the top ends of the two linkage rods 6 are rotatably provided with the same sand table display plate 7, support columns 8 are fixedly arranged at the peripheral positions of the bottom side of the display box 1, when the moving blocks 5 are moved, the linkage rods 6 are driven to rotate, the linkage rods 6 are rotated to drive the sand table display plate 7, and further the sand table display plate 7 can be moved out of the display box 1 for teaching display or be, therefore, the sand table for display can be protected, the sand table is prevented from being damaged, the accuracy of the sand table is guaranteed, the sand table can be conveniently used for next teaching, and the teaching time is saved.

Further, in the above scheme, threaded holes 9 are formed in one side, close to each other, of each of the two moving blocks 5, internal threads of the two threaded holes 9 are arranged oppositely, a threaded rod 10 is arranged in the display box 1, one end of the threaded rod 10 penetrates through the two threaded holes 9 in sequence and is rotatably installed on the inner wall of one side of the display box 1, and when the threaded rod 10 rotates, under the action of the two threaded holes 9 arranged oppositely, the threaded rod 10 rotates to drive the two moving blocks 5 to be close to or away from each other.

Further, in the above scheme, a screw through hole is formed in the inner wall of one side of the display box 1, the other end of the threaded rod 10 penetrates through the screw through hole and is fixedly provided with an L-shaped hand crank 11, and when the L-shaped hand crank 11 is rotated, the L-shaped hand crank 11 rotates to drive the threaded rod 10 to rotate.

Further, in the above scheme, a telescopic groove 12 is formed in the bottom side of the supporting column 8, a telescopic column 13 is movably mounted in the telescopic groove 12, and the telescopic column 13 can only slide in the supporting column 8 by arranging the telescopic groove 12.

Further, in above-mentioned scheme, the bottom side of flexible post 13 extends to outside flexible groove 12 and fixed mounting has universal auto-lock wheel 14, through slip flexible post 13, can adjust the overall height of sand table for the sand table can demonstrate under the co-altitude not, is applicable to the student of co-altitude not, and further improvement the bandwagon show effect, through setting up universal auto-lock wheel 14, be convenient for remove or fix whole simulation sand table.

Further, in the above scheme, a fastening member 16 is arranged on the supporting column 8, a fastening hole 15 is formed in the inner wall of one side of the telescopic slot 12, one end of the fastening member 16 penetrates through the fastening hole 15 and contacts with one side of the telescopic column 13, and when the fastening member 16 is rotated, the telescopic column 13 can be fixed or loosened, so that the overall height of the sand table can be adjusted conveniently.

Further, in the above scheme, handles 17 are fixedly mounted on the top sides of the two box doors 2, and the arrangement of the handles 17 facilitates the teacher to open or close the box doors 2.

This practical theory of operation:

when the teaching demonstration is needed, firstly, the handle 17 is pulled to open the box door 2, then the L-shaped hand crank 11 is rotated, the L-shaped hand crank 11 rotates to drive the threaded rod 10 to rotate, under the action of the two oppositely arranged threaded holes 9, the threaded rod 10 rotates to drive the two moving blocks 5 to be away from each other, the moving blocks 5 move to drive the linkage rod 6 to rotate, the linkage rod 6 rotates to drive the sand table display plate 7 to move upwards, the sand table display plate 7 can be moved out of the display box 1 to carry out teaching demonstration, after the teaching is finished, the L-shaped hand crank 11 is rotated reversely to withdraw the sand table display plate 7 into the display box 1, the display sand table can be protected, the sand table is prevented from being damaged, the accuracy of the sand table is ensured, the next teaching continuation use is facilitated, the teaching time is saved, when students with different heights need to carry out the teaching demonstration, the fastener 16 can be rotated, and then can loosen flexible post 13, can adjust the whole height of sand table this moment through removing flexible post 13 for the sand table can demonstrate under the co-altitude not, is applicable to the student of co-altitude not, further improvement the bandwagon show effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a photogrammetry teaching simulation sand table that bandwagon effect is good, includes show case (1), its characterized in that: be equipped with two chamber doors (2) on show case (1), the equal fixed mounting in one side that show case (1) and two chamber doors (2) kept away from each other has two hinges (3), shifting chute (4) have been seted up on the bottom side inner wall of show case (1), movable mounting has two movable blocks (5) in shifting chute (4), the top side of two movable blocks (5) extends outside shifting chute (4) and all rotates and install gangbar (6), the top of two gangbars (6) is rotated and is installed same sand table show board (7), the equal fixed mounting in bottom side all around position of show case (1) has support column (8).

2. The photogrammetry teaching simulation sand table with good display effect of claim 1, characterized in that: threaded holes (9) are formed in one side, close to each other, of each of the two moving blocks (5), internal threads of the two threaded holes (9) are oppositely arranged, threaded rods (10) are arranged in the display box (1), and one ends of the threaded rods (10) penetrate through the two threaded holes (9) in sequence and are rotatably installed on the inner wall of one side of the display box (1).

3. The photogrammetry teaching simulation sand table with good display effect of claim 1, characterized in that: the screw rod through hole is formed in the inner wall of one side of the display box (1), and the other end of the threaded rod (10) penetrates through the screw rod through hole and is fixedly provided with an L-shaped hand crank (11).

4. The photogrammetry teaching simulation sand table with good display effect of claim 1, characterized in that: the bottom side of the support column (8) is provided with a telescopic groove (12), and a telescopic column (13) is movably arranged in the telescopic groove (12).

5. The photogrammetry teaching simulation sand table with good display effect of claim 4, characterized in that: the bottom side of the telescopic column (13) extends out of the telescopic groove (12) and is fixedly provided with a universal self-locking wheel (14).

6. The photogrammetry teaching simulation sand table with good display effect of claim 1, characterized in that: the support column (8) is provided with a fastening piece (16), the inner wall of one side of the telescopic groove (12) is provided with a fastening hole (15), and one end of the fastening piece (16) penetrates through the fastening hole (15) and is in contact with one side of the telescopic column (13).

7. The photogrammetry teaching simulation sand table with good display effect of claim 1, characterized in that: handles (17) are fixedly arranged on the top sides of the two box doors (2).