CN211653944U

CN211653944U - Examination device for managing science and engineering teaching

Info

Publication number: CN211653944U
Application number: CN202020711940.2U
Authority: CN
Inventors: 王硕; 耿慧科; 董国栋; 周晓新; 寇浩; 霍浩; 路召飞
Original assignee: Shijiazhuang Institute Of Posts And Telecommunications Training Center Of China Post Group Co ltd
Current assignee: Shijiazhuang Institute Of Posts And Telecommunications Training Center Of China Post Group Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-09
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses an examination device for managing science and engineering teaching, including base and device main part, the mounting groove has been seted up to the inside top of base, the mounting groove is open-top structure, all be provided with two bearings on the lateral wall of the inside both sides of mounting groove, the inside of mounting groove is passed through bearing movable mounting has screw thread pivot and gag lever post, be provided with two sections reverse screw threads in the screw thread pivot, just the intermediate position department of screw thread pivot is provided with the stopper, two sections reverse screw threads in the screw thread pivot with the stopper is symmetric distribution of symmetry point each other, the activity cup joints in the screw thread pivot and installs two internal thread covers, two the internal thread cover is located respectively the both sides of stopper, the activity cup joints on the gag lever post and installs two spacing sliding sleeves. The utility model discloses a set up a series of structures and make this device have stable in structure and be convenient for highly adjusting the characteristics of device main part.

Description

Examination device for managing science and engineering teaching

Technical Field

The utility model relates to a management science and engineering teaching equipment technical field specifically are an examination device for managing science and engineering teaching.

Background

The management science and engineering are subjects which comprehensively use system science, management science, mathematics, economy, behavior science and engineering methods and combine information technology to research and solve management problems in the aspects of society, economy, engineering and the like. The subject is the only subject recruited according to the first-level subject in the department of management and science in China, has wide coverage, comprises a plurality of research fields such as resource optimization management, public engineering organization and management, uncertainty decision-making research, project management and the like, is a hotspot of research at home and abroad, and case examination is an important means for carrying out comprehensive capability examination on students in the management science and engineering teaching process.

The examination device for managing science and engineering teaching, which is provided with application number 201720172014.0, can realize the electronic examination of the students who manage science and engineering professions, play cases in the examination, and can conveniently select and discuss the answer of the question, the whole answer process is monitored by the camera by using the calculator, so that the examination is more impartial and scientific, and the application and popularization value is very good, but in the actual use process, because the height of the device is fixed, the height of the table top on which the device is placed is also fixed, therefore, when students with different heights use the device, the adaptability is poor, the height of the device can not be adjusted and changed properly according to the heights of different students, therefore, in order to solve the series of problems, an examination device for managing science and engineering teaching is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an examination device for managing science and engineering teaching 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: an examination device for managing science and engineering teaching comprises a base and a device main body, wherein a mounting groove is formed in the upper portion of the interior of the base, the mounting groove is of a top opening structure, two bearings are arranged on the side walls of the two sides of the interior of the mounting groove, a threaded rotating shaft and a limiting rod are movably mounted in the mounting groove through the bearings, two sections of reverse threads are arranged on the threaded rotating shaft, a limiting block is arranged at the middle position of the threaded rotating shaft, the two sections of reverse threads on the threaded rotating shaft are symmetrically distributed with each other by taking the limiting block as a symmetrical point, two internal thread sleeves are movably sleeved and mounted on the threaded rotating shaft and are respectively positioned on the two sides of the limiting block, two limiting sliding sleeves are movably sleeved and mounted on the limiting rod, and movable connecting pieces are arranged at the tops of the two internal thread, the top parts of the two internal thread sleeves are respectively and movably provided with a connecting rod through two movable connecting pieces, the bottom of the device main body is provided with two movable connecting pieces, the top ends of the two connecting rods are respectively connected with the bottom of the device main body through the two movable connecting pieces, the bottom end inside the device main body is fixedly provided with a signal transmitter, one side of the signal transmitter is fixedly provided with a signal receiver, one side of the signal receiver is fixedly provided with a central processing unit, one side of the central processing unit is fixedly provided with a storage battery, one side of the upper surface of the device main body is provided with a pen slot, a touch screen pen is placed inside the pen slot, one side of the pen slot is provided with a display screen, one side of the display screen is provided with a camera, one side of the camera is provided with a selection button, and a, and a calculator is arranged above the selection button.

Preferably, the two limiting sliding sleeves are respectively positioned under the two internal thread sleeves, a connecting block is arranged between the limiting sliding sleeves and the internal thread sleeves, and the limiting sliding sleeves are fixedly connected with the internal thread sleeves through the connecting block.

Preferably, four ends at the top of the base are fixedly provided with slide bars, two ends of the bottom of the side walls on two sides of the device main body are provided with mounting sleeves, and the four mounting sleeves are respectively sleeved on the four slide bars.

Preferably, a motor base is arranged on the side wall of one side of the base, a driving motor is fixedly mounted at the top of the motor base, and one end of the threaded rotating shaft is fixedly connected with the output end of the driving motor through the bearing.

Preferably, one end of the top of the device main body is provided with a power switch, and a motor control switch is arranged below one side of the surface of the base.

Preferably, the top ends of the four sliding rods are provided with blocking blocks.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of scientific and reasonable structure, safe and convenient use, can drive the screw thread rotating shaft to rotate through the driving motor, so that two internal thread sleeves on the screw thread rotating shaft move, the limiting sliding sleeve is fixedly connected with the internal thread sleeves through the connecting block, so that the internal thread sleeves can not rotate along with the rotation of the screw thread rotating shaft, and can only move oppositely or reversely under the action of two sections of reverse threads, when the height of the top device main body needs to be increased, the two internal thread sleeves move oppositely, so that the two connecting rods move, the pushing device main body moves upwards, when the height of the top device main body needs to be decreased, the two internal thread sleeves move reversely, so that the two connecting rods move, so that the device main body moves downwards, and further, when the device is used, the height of the device main body is convenient to adjust, so that the device is suitable, and the adaptability is strong.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a plan view of the device main body of the present invention;

fig. 3 is a block diagram of the present invention.

In the figure: 1. a base; 2. mounting grooves; 3. a threaded shaft; 4. a movable connecting piece; 5. a limiting block; 6. a power switch; 7. a handwriting board; 8. a storage battery; 9. a camera; 10. a central processing unit; 11. a display screen; 12. a signal receiver; 13. a pen slot; 14. a stylus; 15. a signal transmitter; 16. a device main body; 17. a blocking block; 18. a slide bar; 19. installing a sleeve; 20. a limiting rod; 21. a connecting rod; 22. an internal thread sleeve; 23. connecting blocks; 24. a limiting sliding sleeve; 25. a drive motor; 26. a motor base; 27. a calculator; 28. a selection button; 29. and a motor control switch.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a checking device technical scheme for managing science and engineering teaching comprises a base 1 and a device main body 16, wherein a mounting groove 2 is arranged above the inside of the base 1, the mounting groove 2 is of a top opening structure, two bearings are respectively arranged on the side walls of the two sides of the inside of the mounting groove 2, a threaded rotating shaft 3 and a limiting rod 20 are movably mounted inside the mounting groove 2 through the bearings, two sections of reverse threads are arranged on the threaded rotating shaft 3, a limiting block 5 is arranged at the middle position of the threaded rotating shaft 3, the two sections of reverse threads on the threaded rotating shaft 3 are mutually and symmetrically distributed by taking the limiting block 5 as a symmetrical point, two internal thread sleeves 22 are movably sleeved and mounted on the threaded rotating shaft 3, the two internal thread sleeves 22 are respectively positioned at the two sides of the limiting block 5, two limiting sliding sleeves 24 are movably sleeved and mounted on the limiting rod 20, and, connecting rods 21 are movably mounted at the tops of the two internal thread sleeves 22 through two movable connecting pieces 4 respectively, two movable connecting pieces 4 are arranged at the bottom of the device main body 16, the top ends of the two connecting rods 21 are connected with the bottom of the device main body 16 through the two movable connecting pieces 4 respectively, a signal transmitter 15 is fixedly mounted at the bottom end inside the device main body 16, a signal receiver 12 is fixedly mounted at one side of the signal transmitter 15, a central processing unit 10 is fixedly mounted at one side of the signal receiver 12, a storage battery 8 is fixedly mounted at one side of the central processing unit 10, a pen slot 13 is formed at one side of the upper surface of the device main body 16, a touch screen pen 14 is placed inside the pen slot 13, a display screen 11 is mounted at one side of the pen slot 13, a camera 9 is mounted at one side of the display screen 11, a selection button 28, a calculator 27 is mounted above the selection button 28.

Preferably, the two limiting sliding sleeves 24 are respectively located under the two internal thread sleeves 22, the connecting block 23 is arranged between the limiting sliding sleeves 24 and the internal thread sleeves 22, and the limiting sliding sleeves 24 are fixedly connected with the internal thread sleeves 22 through the connecting block 23, so that the internal thread sleeves 22 cannot rotate along with the rotation of the thread rotating shaft 3 and can only move in opposite directions or in opposite directions under the action of two sections of reverse threads.

Preferably, four ends at the top of base 1 are all fixedly mounted with slide bars 18, two ends of the bottom of the side walls on two sides of device body 16 are all provided with mounting sleeves 19, and four mounting sleeves 19 are respectively sleeved on four slide bars 18, so that the device is strong in stability when in use.

Preferably, be provided with motor cabinet 26 on the lateral wall of base 1 one side, motor cabinet 26's top fixed mounting has driving motor 25, and the output fixed connection of bearing and driving motor 25 is passed through to the one end of screw thread pivot 3 for driving motor 25 drives screw thread pivot 3 and rotates, and then adjusts the height of device main part 16.

Preferably, a power switch 6 is provided at one end of the top of the device body 16 to control the opening and closing of the whole device, and a motor control switch 29 is provided below one side of the surface of the base 1 to control the driving motor 29 individually.

Preferably, the top ends of the four sliding rods 18 are provided with stoppers 17 to prevent the mounting sleeve 19 from slipping out of the sliding rods 18 when the height of the apparatus body 1 is adjusted.

The working principle is as follows: before use, firstly checking the safety of each structure of the device, wherein electric elements such as a signal receiver 12, a signal transmitter 15, a central processor 10, a storage battery 8 and the like are all existing electric elements, the electric elements can be installed and used according to actual use requirements, firstly, pressing a power switch 6 to electrify each electric element in a device main body 16, when the height of the device main body 16 needs to be adjusted, pressing a motor control switch 29 to enable the central processor 10 to control a driving motor 25, further adjusting the height of the device main body 16 according to actual conditions, after the height is adjusted, turning off the driving motor 25 through the motor control switch 29, receiving test question signals through the signal receiver 12 and transmitting the test questions to a display screen 11, an examiner scratches out a touch screen pen 14 from a pen slot 13, then writes the test question on a handwriting board 7 through the touch screen pen 14 to answer the question, and can assist the examination through the calculator 27, when meeting the choice question, the examiner can answer the question through the choice button 28, the camera 9 can shoot the examination state of the examiner to prevent cheating, the answer in the examination and the picture shot by the camera 9 are transmitted to the outside console through the signal emitter 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and any standard components found in known art that may be commercially available or commercially available and may be readily customized based on the teachings of the specification and the drawings, and that the particular connection between the various components is by conventional means well known in the art, and that the machine, component, or apparatus is by model and circuit connection is by conventional means well known in the art, and will not be described in detail herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An examination device for managing science and engineering teaching, comprising a base (1) and a device body (16), characterized in that: the mounting groove (2) is formed in the upper portion of the inner portion of the base (1), the mounting groove (2) is of a top opening structure, two bearings are arranged on the side walls of two sides of the inner portion of the mounting groove (2), a threaded rotating shaft (3) and a limiting rod (20) are movably mounted in the mounting groove (2) through the bearings, two sections of reverse threads are arranged on the threaded rotating shaft (3), a limiting block (5) is arranged at the middle position of the threaded rotating shaft (3), the two sections of reverse threads on the threaded rotating shaft (3) are mutually and symmetrically distributed by taking the limiting block (5) as a symmetrical point, two inner thread sleeves (22) are movably sleeved on the threaded rotating shaft (3), the two inner thread sleeves (22) are respectively located on two sides of the limiting block (5), and two limiting sliding sleeves (24) are movably sleeved on the limiting rod (20), the top of each of the two internal thread sleeves (22) is provided with a movable connecting piece (4), the top of each of the two internal thread sleeves (22) is respectively provided with a connecting rod (21) through the two movable connecting pieces (4), the bottom of the device main body (16) is provided with two movable connecting pieces (4), the top ends of the two connecting rods (21) are respectively connected with the bottom of the device main body (16) through the two movable connecting pieces (4), the bottom end inside the device main body (16) is fixedly provided with a signal transmitter (15), one side of the signal transmitter (15) is fixedly provided with a signal receiver (12), one side of the signal receiver (12) is fixedly provided with a central processing unit (10), one side of the central processing unit (10) is fixedly provided with a storage battery (8), and one side of the upper surface of the device main body (16) is provided with a pen slot, touch-sensitive pen (14) have been placed to the inside in groove (13), display screen (11) are installed to one side in groove (13), camera (9) are installed to one side of display screen (11), select button (28) are installed to one side of camera (9), the below of select button (28) is provided with handwriting pad (7), calculator (27) are installed to the top of select button (28).

2. An assessment device for managing science and engineering teaching according to claim 1, characterized in that: two limiting sliding sleeves (24) are respectively located two under the internal thread sleeve (22), a connecting block (23) is arranged between the limiting sliding sleeves (24) and the internal thread sleeve (22), and the limiting sliding sleeves (24) are fixedly connected with the internal thread sleeve (22) through the connecting block (23).

3. An assessment device for managing science and engineering teaching according to claim 1, characterized in that: four ends at the top of the base (1) are fixedly provided with sliding rods (18), two ends of the bottom of the side walls on two sides of the device main body (16) are provided with mounting sleeves (19), and the four mounting sleeves (19) are respectively sleeved and mounted on the four sliding rods (18).

4. An assessment device for managing science and engineering teaching according to claim 1, characterized in that: be provided with motor cabinet (26) on the lateral wall of base (1) one side, the top fixed mounting of motor cabinet (26) has driving motor (25), the one end of screw thread pivot (3) is passed through the bearing with the output fixed connection of driving motor (25).

5. An assessment device for managing science and engineering teaching according to claim 1, characterized in that: one end at the top of the device main body (16) is provided with a power switch (6), and a motor control switch (29) is arranged below one side of the surface of the base (1).

6. An assessment device for managing science and engineering teaching according to claim 3, characterized in that: the top ends of the four sliding rods (18) are provided with blocking blocks (17).