CN214580008U

CN214580008U - Online invigilation patrol system

Info

Publication number: CN214580008U
Application number: CN202120804240.2U
Authority: CN
Inventors: 田辉辉; 杨梅; 岳东东
Original assignee: Anhui Mingya Network Technology Co ltd
Current assignee: Anhui Mingya Network Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-02
Anticipated expiration: 2031-04-20

Abstract

The utility model belongs to the technical field of inspection equipment, especially, for online inspection system of patrolling and examining, mostly lack the function that carries out height control to the camera body to current inspection device, and the most fixed mounting of camera body to cause the comparatively single problem of monitoring range, now propose following scheme, it includes the base, two first gears are installed to the inside rotation of base, and the outside of two first gears all meshes has the rack, and the top of two racks all extends to the outside of base and fixed mounting has same elevating platform, and the inside rotation of base installs two vertical axles, and the bottom of two vertical axles all extends to the outside of base and difference fixed mounting has the sprocket. The utility model relates to a rationally, the work of second motor makes two vertical axle synchronous rotations to make two racks obtain vertical ascending motion, thereby drive the elevating platform and obtain same vertical motion, thereby realize the altitude mixture control function to the camera body.

Description

Online invigilation patrol system

Technical Field

The utility model relates to a patrol equipment technical field especially relates to online invigilation patrol system.

Background

Examination is a strict knowledge level identification method. The learning ability and knowledge reserve of the student can be checked through examination. In order to ensure the justice and fairness of results, the examination hall must have strong discipline constraints, and is specially provided with the supervision examination processes of primary examination, invigilation and the like, and absolutely forbids any cheating behavior, otherwise, the examination hall will undertake legal and criminal responsibilities.

Most of the existing patrol devices lack the function of adjusting the height of the camera body, and the camera body is fixedly installed mostly, so that the defect that the monitoring range is single is caused, and therefore an online invigilation patrol system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current inspection device and mostly lacking the function of carrying out altitude mixture control to the camera body, and the most fixed mounting of camera body to cause the comparatively single shortcoming of monitoring range, and the online inspection system of patrolling and examining who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the on-line monitoring and patrolling system comprises a base, wherein two first gears are rotatably arranged in the base, racks are respectively meshed with the outer sides of the two first gears, the tops of the two racks extend to the outer side of the base and are fixedly provided with the same lifting platform, two vertical shafts are rotatably arranged in the base, the bottoms of the two vertical shafts extend to the outer side of the base and are respectively fixedly provided with chain wheels, the two chain wheels are in transmission connection with the same chain, first bevel gears are fixedly arranged on the outer sides of the two vertical shafts, second bevel gears are fixedly arranged on the front sides of the two first gears, the first bevel gears and the second bevel gears which are positioned on the same side are mutually meshed, a rotating shaft is rotatably arranged in the lifting platform, the top end of the rotating shaft extends to the outer side of the lifting platform and is fixedly provided with a camera body, and worms and worm gears are rotatably arranged in the lifting platform, the worm and the worm wheel are meshed with each other, the top of the worm wheel is fixedly installed at the bottom end of the rotating shaft, the front end of the worm is fixedly installed with a second gear, an incomplete gear is rotatably installed inside the lifting platform, and the incomplete gear is meshed with the second gear.

Preferably, the rear side fixed mounting of elevating platform has first motor, the output shaft of first motor and the rear side fixed connection of incomplete gear, and through the first motor that sets up, the work of first motor makes the camera body obtain intermittent type nature and rotates to can patrol the examination personnel on every side.

Preferably, top one side fixed mounting of base has the second motor, the output shaft of second motor and the top fixed connection of two vertical shafts, and through the second motor that sets up, the work of second motor makes the elevating platform obtain the motion of vertical direction to the realization is to the function of the altitude mixture control of camera body.

Preferably, the top of telescopic link is all fixed mounting in the bottom both sides of elevating platform, and the bottom fixed mounting of telescopic link is on the bottom inner wall of base, through the telescopic link that sets up to play certain guide effect for the vertical motion of elevating platform.

Preferably, the vertical hole has all been seted up to the top both sides of base, and the outside of two racks is slidable mounting respectively in the inboard that the vertical hole that corresponds through the vertical hole that sets up to play certain guide effect for the vertical motion of rack.

Preferably, the rear side fixed mounting of elevating platform has the mounting panel, and first motor fixed mounting is at the top of mounting panel through the mounting panel that sets up to provide certain supporting role for first motor.

In the utility model, the on-line monitoring and inspecting system, through the worm and the worm wheel, the second gear is synchronously rotated by the work of the second motor, so that the incomplete gear is driven to rotate intermittently, the worm is driven to operate the same, the worm wheel is driven to rotate the same, the rotating shaft is driven to rotate, and finally the camera body is rotated intermittently, so that the monitoring and inspecting work can be carried out on the examinees around;

the utility model relates to a rationally, the work of second motor makes two vertical axle synchronous rotations to make two racks obtain vertical ascending motion, thereby drive the elevating platform and obtain same vertical motion, thereby realize the altitude mixture control function to the camera body.

Drawings

Fig. 1 is a schematic structural diagram of an online invigilation patrol system provided by the utility model;

fig. 2 is a cross-sectional view of the online invigilation patrol system provided by the utility model;

fig. 3 is a schematic structural diagram of a part a of the online invigilation patrol system provided by the present invention;

fig. 4 is a schematic structural diagram of the motor and the lifting platform part of the online invigilation patrol system provided by the utility model.

In the figure: 1. a base; 2. a first gear; 3. a rack; 4. a lifting platform; 5. a vertical axis; 6. a first bevel gear; 7. a second bevel gear; 8. a sprocket; 9. a chain; 10. a rotating shaft; 11. a camera body; 12. a worm; 13. a worm gear; 14. a second gear; 15. an incomplete gear; 16. a first motor; 17. a second motor.

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. 1-4, the online inspection and patrol system comprises a base 1, two first gears 2 are rotatably installed inside the base 1, racks 3 are respectively engaged on the outer sides of the two first gears 2, the tops of the two racks 3 extend to the outer side of the base 1 and are fixedly provided with a same lifting platform 4, two vertical shafts 5 are rotatably installed inside the base 1, the bottoms of the two vertical shafts 5 extend to the outer side of the base 1 and are respectively fixedly provided with a chain wheel 8, the two chain wheels 8 are in transmission connection with a same chain 9, first bevel gears 6 are fixedly installed on the outer sides of the two vertical shafts 5, second bevel gears 7 are fixedly installed on the front sides of the two first gears 2, the first bevel gears 6 and the second bevel gears 7 on the same side are mutually engaged, a rotating shaft 10 is rotatably installed inside the lifting platform 4, the top end of the rotating shaft 10 extends to the outer side of the lifting platform 4 and is fixedly provided with a camera body 11, a worm 12 and a worm wheel 13 are rotatably arranged in the lifting platform 4, the worm 12 is meshed with the worm wheel 13, the top of the worm wheel 13 is fixedly arranged at the bottom end of the rotating shaft 10, a second gear 14 is fixedly arranged at the front end of the worm 12, an incomplete gear 15 is rotatably arranged in the lifting platform 4, and the incomplete gear 15 is meshed with the second gear 14.

The utility model discloses in, the rear side fixed mounting of elevating platform 4 has first motor 16, and the output shaft of first motor 16 and the rear side fixed connection of incomplete gear 15, through the first motor 16 who sets up, the work of first motor 16 makes camera body 11 obtain intermittent type nature's rotation to can patrol the examination personnel on every side.

The utility model discloses in, top one side fixed mounting of base 1 has second motor 17, and the output shaft of second motor 17 and the top fixed connection of the vertical axle 5 of one in two vertical axles 5, through the second motor 17 that sets up, the work of second motor 17 makes elevating platform 4 obtain the motion of vertical direction to the function of the altitude mixture control of realization to camera body 11.

The utility model discloses in, the equal fixed mounting in bottom both sides of elevating platform 4 has the top of telescopic link, and the bottom fixed mounting of telescopic link is on base 1's bottom inner wall, through the telescopic link that sets up to vertical motion for elevating platform 4 plays certain guide effect.

The utility model discloses in, the upright hole has all been seted up to base 1's top both sides, and sliding mounting is in the inboard in the corresponding upright hole respectively in the outside of two racks 3, through the upright hole that sets up to play certain guide effect for rack 3's vertical motion.

The utility model discloses in, the rear side fixed mounting of elevating platform 4 has the mounting panel, and first motor 16 fixed mounting is at the top of mounting panel, through the mounting panel that sets up to for first motor 16 provides certain supporting role.

The working principle of the patrol system is as follows: through the arranged rack 3, the second motor 17 is started, through the cooperation of the chain wheel 8, the work of the second motor 17 enables the two vertical shafts 5 to synchronously rotate, thereby driving the two first bevel gears 6 to rotate, thereby driving the two second bevel gears 7 to rotate, thereby enabling the two first gears 2 inside the base 1 to synchronously rotate, thereby enabling the two racks 3 to obtain vertical upward movement, thereby driving the lifting platform 4 to obtain the same vertical movement, thereby realizing the height adjusting function of the camera body 11, secondly, through the arranged worm 12 and the worm wheel 13, the second motor 17 is started, the work of the second motor 17 enables the second gear 14 to synchronously rotate, thereby driving the incomplete gear 15 to obtain intermittent rotation, thereby enabling the worm 12 to obtain the same operation, thereby driving the worm wheel 13 to obtain the same rotation, thereby driving the rotating shaft 10 to rotate, finally, the camera body 11 intermittently rotates, so that the monitoring and patrolling work can be performed on the surrounding examiners.

Claims

1. On-line monitoring and patrolling system, which comprises a base (1) and is characterized in that two first gears (2) are installed in the base (1) in a rotating manner, racks (3) are respectively meshed with the outer sides of the two first gears (2), the tops of the two racks (3) extend to the outer side of the base (1) and are fixedly provided with a same lifting platform (4), two vertical shafts (5) are installed in the base (1) in a rotating manner, the bottom ends of the two vertical shafts (5) extend to the outer side of the base (1) and are respectively fixedly provided with chain wheels (8), the two chain wheels (8) are in transmission connection with a same chain (9), first bevel gears (6) are respectively and fixedly arranged on the outer sides of the two vertical shafts (5), second bevel gears (7) are respectively and fixedly arranged on the front sides of the two first gears (2), and the first bevel gears (6) and the second bevel gears (7) positioned on the same side are meshed with each other, pivot (10) are installed to the internal rotation of elevating platform (4), and the top of pivot (10) extends to the outside and fixed mounting of elevating platform (4) has camera body (11), and worm (12) and worm wheel (13) are installed to the internal rotation of elevating platform (4), worm (12) and worm wheel (13) intermeshing, and the top fixed mounting of worm wheel (13) is in the bottom of pivot (10), and the front end fixed mounting of worm (12) has second gear (14), incomplete gear (15) are installed to the internal rotation of elevating platform (4), incomplete gear (15) and second gear (14) intermeshing.

2. The system for online invigilation patrolling according to claim 1, characterized in that a first motor (16) is fixedly mounted at the rear side of the lifting platform (4), and an output shaft of the first motor (16) is fixedly connected with the rear side of the incomplete gear (15).

3. The system for online invigilation patrol according to claim 1, wherein a second motor (17) is fixedly mounted on one side of the top of the base (1), and an output shaft of the second motor (17) is fixedly connected with the top end of one vertical shaft (5) of the two vertical shafts (5).

4. The system of claim 1, wherein the top end of the telescopic rod is fixedly arranged on both sides of the bottom of the lifting platform (4), and the bottom end of the telescopic rod is fixedly arranged on the inner wall of the bottom of the base (1).

5. The system of claim 1, wherein the two sides of the top of the base (1) are provided with vertical holes, and the outer sides of the two racks (3) are respectively slidably mounted on the inner sides of the corresponding vertical holes.

6. The system of claim 1, wherein the rear side of the lifting platform (4) is fixedly provided with a mounting plate, and the first motor (16) is fixedly arranged on the top of the mounting plate.