CN112963673A - On-spot safety monitoring device of exhibitions - Google Patents
On-spot safety monitoring device of exhibitions Download PDFInfo
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- CN112963673A CN112963673A CN202110131147.4A CN202110131147A CN112963673A CN 112963673 A CN112963673 A CN 112963673A CN 202110131147 A CN202110131147 A CN 202110131147A CN 112963673 A CN112963673 A CN 112963673A
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- gear
- monitoring device
- block
- fixedly connected
- bevel gear
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories Of Cameras (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a meeting and exhibition site safety monitoring device which comprises a mounting rack, wherein the mounting rack consists of a stand column and a cross rod, the cross rod is rotatably connected to the top end of one side of the stand column, a second mounting cavity extending upwards is formed in the bottom end of the cross rod, a transmission rod is rotatably connected in the second mounting cavity, a monitoring head is arranged at the bottom end of the cross rod, a connecting block is connected to the top end of the monitoring head, the connecting block extends into the second mounting cavity, the transmission rod penetrates through the connecting block, the connecting block is screwed with the transmission rod through threads, a driving mechanism is arranged at the top of the stand column and drives the transmission rod to rotate, a switching mechanism is further arranged at the top of the stand column, and the switching; by additionally arranging the switching mechanism, the position movement of the monitoring head can be realized through one motor, the angle adjustment of the monitoring head can also be realized, the number of motors is reduced, and the manufacturing cost of the monitoring device is reduced.
Description
Technical Field
The invention relates to a monitoring device, in particular to a safety monitoring device for a exhibitions site.
Background
Monitoring device is the display that sends the environment on one side to the another side through control head, realizes the control, and the meeting exhibition monitoring device on the existing market needs a plurality of motor control for realizing that control head multiposition and multi-angle are shot for monitoring device cost of manufacture is higher, is unfavorable for marketing.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a conference and exhibition site safety monitoring device which can solve the technical problems that a conference and exhibition monitoring device in the current market needs to be controlled by a plurality of motors in order to realize multi-position and multi-angle shooting of a monitoring head, so that the manufacturing cost of the monitoring device is high, and the market popularization is not facilitated.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a scene safety monitoring device exhibitions, includes the mounting bracket, the mounting bracket comprises stand and horizontal pole, the horizontal pole rotates to be connected on stand one side top, the second installation cavity that upwards extends is seted up to the horizontal pole bottom, second installation cavity internal rotation is connected with the transfer line, the horizontal pole bottom is equipped with the monitoring head, the monitoring head top is connected with the connecting block, and the connecting block extends to in the second installation cavity, transfer line through connection piece, the connecting block passes through the screw thread and closes with the transfer line soon, the stand top is equipped with actuating mechanism, and actuating mechanism drive transfer line rotates, the stand top still is equipped with switching mechanism, switching mechanism realizes through the position that removes actuating mechanism that the horizontal pole rotates.
As a preferred technical scheme, one side, close to the upright post, of the cross rod is fixedly connected with an inner gear sleeve, the inner gear sleeve extends into the upright post, a bearing is sleeved on the outer side of the inner gear sleeve, and the inner gear sleeve is rotatably connected with the upright post through the bearing.
As a preferable technical scheme of the invention, the driving mechanism comprises a motor, the motor is arranged on the top surface of the upright post, a first mounting cavity is arranged in the top of the upright post, a moving block is arranged in the first mounting cavity, a rotating rod is rotatably connected to the bottom end of the motor and can slide on the top of the upright post, a first bevel gear is fixedly connected to the bottom end of the rotating rod, a second bevel gear is meshed with one side of the first bevel gear, a second connecting shaft is fixedly connected to one side of the second bevel gear, which is far away from the first bevel gear, both the first bevel gear and the second bevel gear are positioned in the moving block, one end of the second connecting shaft, which is far away from the second bevel gear, is fixedly connected with a gear, a first connecting shaft is fixedly connected to the other side of the gear, one end of the first connecting shaft, which, the transmission cavity is internally provided with an accommodating cavity communicated with the transmission cavity, and the transmission shaft drives the transmission rod to rotate through the transmission cavity.
As a preferable aspect of the present invention, the transmission shaft is a hexagonal prism.
As a preferable technical scheme of the invention, the transmission shaft is a pentagonal prism.
As a preferable technical scheme of the present invention, the switching mechanism includes an air cylinder, the air cylinder is disposed on one side of the upright column away from the end of the crossbar, a moving end of the air cylinder extends into the first mounting cavity and is connected to the moving block, the inner gear sleeve extends into the first mounting cavity, the gear is located on one side of the inner gear sleeve, the gear moves in the inner gear sleeve, the gear is engaged with the inner gear sleeve, the gear completely enters the inner gear sleeve, and the transmission shaft completely leaves the transmission cavity and enters the accommodating cavity.
According to a preferable technical scheme of the invention, the bottom end of the moving block is fixedly connected with a dovetail block, a dovetail groove matched with the dovetail block is formed in the bottom surface of the first mounting cavity, and the dovetail block slides in the dovetail groove.
As a preferred technical scheme of the invention, the sliding distance of the dovetail block in the dovetail groove towards the direction of the internal gear sleeve is greater than the distance between the gear and the internal gear sleeve.
In a preferred embodiment of the present invention, the dovetail block has a bottom surface into which a ball is fitted, and the dovetail block slides in the dovetail groove via the ball.
As a preferable technical scheme of the invention, cleaning rings are fixedly connected to two sides of the connecting block, cleaning bristles are connected to the inner walls of the cleaning rings at equal annular intervals, and the free ends of the cleaning bristles are in contact with the outer surface of the transmission rod.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. by additionally arranging the switching mechanism, when the shooting angle of the monitoring head needs to be adjusted, the air cylinder is started, the moving end of the air cylinder drives the moving block to move towards one end of the cross rod, the moving block drives the second connecting shaft to move, the second connecting shaft drives the gear to move, the gear drives the transmission shaft to gradually leave the transmission cavity through the first connecting shaft, when the gear completely enters the inner gear sleeve, the transmission shaft completely leaves the transmission cavity and enters the accommodating cavity, then the motor is started, the rotating rod is driven to rotate by the motor, the rotating rod drives the second bevel gear to rotate through the first bevel gear, the second bevel gear drives the gear to rotate through the second connecting shaft, the gear drives the inner gear sleeve to rotate, the inner gear sleeve drives the cross rod to rotate, the cross rod drives the monitoring head to rotate through the connecting block to adjust the angle of the monitoring head, the position movement of the monitoring head can be realized, the number of motors is reduced, and the manufacturing cost of the monitoring device is reduced;
2. the dovetail block is fixedly connected to the bottom end of the moving block, the bottom surface of the first mounting cavity is provided with the dovetail groove matched with the dovetail block, the dovetail block slides in the dovetail groove, and the moving stability of the moving block in the moving process is guaranteed under the action of the dovetail block and the dovetail groove;
3. through the clean ring of both sides fixed connection at the connecting block, when the connecting block controlled about the transfer line, driven the clean ring removal simultaneously by the connecting block, clean ring drove clean brush hair and removes, and clean brush hair sweeps away the adsorbed dust in transfer line surface, reduces in the dust gets into the connecting block, has ensured the removal smoothness degree of connecting block on the transfer line.
Drawings
FIG. 1 is a schematic structural diagram of a monitoring device according to the present invention;
FIG. 2 is an enlarged view of a portion a of FIG. 1;
FIG. 3 is an enlarged view of the structure at b in FIG. 1;
FIG. 4 is a schematic side view of the cleaning ring of the present invention;
wherein: 1. a column; 11. a first mounting cavity; 2. a cross bar; 21. a second mounting cavity; 22. an inner gear sleeve; 3. a monitoring head; 31. connecting blocks; 32. cleaning the ring; 321. cleaning the bristles; 33. a transmission rod; 4. a motor; 40. a rotating rod; 41. a gear; 42. a first connecting shaft; 43. a second connecting shaft; 44. a first bevel gear; 45. a second bevel gear; 47. a drive shaft; 48. a transmission cavity; 49. an accommodating chamber; 5. a cylinder; 6. a moving block; 61. a dovetail block; 62. a dovetail groove.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Referring to fig. 1 to 3, the present invention provides a safety monitoring device for exhibition sites, which includes a mounting rack, the mounting rack is composed of a vertical column 1 and a cross bar 2, the cross bar 2 is connected to the top end of one side of the vertical column 1, one side of the cross bar 2 close to the vertical column 1 is fixedly connected with an inner gear sleeve 22, the inner gear sleeve 22 extends into the vertical column 1, a bearing is sleeved outside the inner gear sleeve 22, the inner gear sleeve 22 is rotatably connected with the vertical column 1 through the bearing, the bottom end of the cross bar 2 is provided with an upwardly extending second mounting cavity 21, the second mounting cavity 21 is rotatably connected with a transmission rod 33, the bottom end of the cross bar 2 is provided with a monitoring head 3, the top end of the monitoring head 3 is connected with a connecting block 31, the connecting block 31 extends into the second mounting cavity 21, the transmission rod 33 penetrates through the connecting block 31, the connecting block 31 is rotatably engaged with the transmission rod, thereby driving the monitoring head 3 to move, and realizing multi-position monitoring.
Referring to fig. 1 to 3, a first mounting cavity 11 is formed in the top of an upright post 1, a moving block 6 is arranged in the first mounting cavity 11, a motor 4 is connected to the top surface of the upright post 1, a rotating rod 40 is rotatably connected to the bottom end of the motor 4, the rotating rod 40 can slide on the top of the upright post 1, a first bevel gear 44 is fixedly connected to the bottom end of the rotating rod 40, a second bevel gear 45 is engaged with one side of the first bevel gear 44, a second connecting shaft 43 is fixedly connected to one side of the second bevel gear 45 away from the first bevel gear 44, the first bevel gear 44 and the second bevel gear 45 are both located in the moving block 6, a gear 41 is fixedly connected to one end of the second connecting shaft 43 away from the second bevel gear 45, a first connecting shaft 42 is fixedly connected to the other side of the gear 41, a transmission shaft 47 is fixedly connected to one end, the inner side of the transmission cavity 48 is provided with an accommodating cavity 49 communicated with the transmission cavity 48, when the first connecting shaft 42 rotates, the first connecting shaft 42 drives the transmission shaft 47 to rotate, the transmission shaft 47 drives the transmission rod 33 to rotate through the transmission cavity 48, and the transmission shaft 47 can be a hexagonal prism or a pentagonal prism.
Referring to fig. 1 to 3, a cylinder 5 is connected to one side of the end portion of the upright post 1 away from the cross bar 2, a moving end of the cylinder 5 extends into the first mounting cavity 11 and is connected to a moving block 6, the inner gear sleeve 22 extends into the first mounting cavity 11, the gear 41 is located at one side of the inner gear sleeve 22, the gear 41 can move in the inner gear sleeve 22, when the gear 41 is located in the inner gear sleeve 22, the gear 41 is engaged with the inner gear sleeve 22, when the gear 41 completely enters the inner gear sleeve 22, the transmission shaft 47 completely leaves the transmission cavity 48 and enters the accommodating cavity 49, when the monitoring head 3 needs to adjust a shooting angle, the cylinder 5 is started, the cylinder 5 is connected through a connection pipe air source device, the air source device can control a plurality of cylinders 5, the air source device is connected to a computer, and the computer controls an operation state of the cylinder 5, which is not described in detail in the present application, the moving end of the cylinder 5 drives the moving block 6 to move towards one end of the cross rod 2, the moving block 6 drives the second connecting shaft 43 to move, the second connecting shaft 43 drives the gear 41 to move, the gear 41 drives the transmission shaft 47 to gradually leave the transmission cavity 48 through the first connecting shaft 42, when the gear 41 completely enters the inner gear sleeve 22, the transmission shaft 47 completely leaves the transmission cavity 48 and enters the accommodating cavity 49, then the motor 4 is started, the rotating rod 40 is driven to rotate by the motor 4, the rotating rod 40 drives the second bevel gear 45 to rotate through the first bevel gear 44, the second bevel gear 45 drives the gear 41 to rotate through the second connecting shaft 43, the gear 41 drives the inner gear sleeve 22 to rotate, the inner gear sleeve 22 drives the cross rod 2 to rotate, the cross rod 2 drives the monitoring head 3 to rotate through the connecting block 31 to adjust the angle of the monitoring head 3, the position movement of the monitoring head 3 can be realized through one motor 4, the angle adjustment of the monitoring head 3 can be realized, the number of the motors 4 is reduced, and the manufacturing cost of the monitoring device is reduced.
Referring to fig. 2, a dovetail block 61 is fixedly connected to the bottom end of the moving block 6, a dovetail groove 62 matched with the dovetail block 61 is formed in the bottom surface of the first mounting cavity 11, the dovetail block 61 slides in the dovetail groove 62, and the sliding distance of the dovetail block 61 in the dovetail groove 62 towards the inner gear sleeve 22 is greater than the distance between the gear 41 and the inner gear sleeve 22, so that the gear 41 can smoothly enter the inner gear sleeve 22, the moving stability of the moving block 6 in the moving process is guaranteed under the action of the dovetail block 61 and the dovetail groove 62, balls are embedded in the bottom surface of the dovetail block 61 to reduce the moving friction force between the dovetail block 61 and the dovetail groove 62, and the dovetail block 61 slides in the dovetail groove 62 through the balls.
Referring to fig. 1 and 4, the cleaning rings 32 are fixedly connected to two sides of the connecting block 31, the inner walls of the cleaning rings 32 are connected to the cleaning bristles 321 at equal intervals, the free ends of the cleaning bristles 321 are in contact with the outer surface of the transmission rod 33, when the connecting block 31 moves left and right on the transmission rod 33, the connecting block 31 drives the cleaning rings 32 to move, the cleaning bristles 321 are driven by the cleaning rings 32 to move, the cleaning bristles 321 sweep away dust adsorbed on the surface of the transmission rod 33, the dust is prevented from entering the connecting block 31, and the moving smoothness of the connecting block 31 on the transmission rod 33 is guaranteed.
The type of the cylinder 5 in the invention is as follows: CDJ2B 16-45.
The motor 4 type of the invention is: jwidafjs.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an on-spot safety monitoring device of exhibitions, includes the mounting bracket, the mounting bracket comprises stand (1) and horizontal pole (2), horizontal pole (2) are rotated and are connected on stand (1) one side top, upwards extending second installation cavity (21) are seted up to horizontal pole (2) bottom, second installation cavity (21) internal rotation is connected with transfer line (33), horizontal pole (2) bottom is equipped with monitoring head (3), monitoring head (3) top is connected with connecting block (31), and connecting block (31) extend to in second installation cavity (21), transfer line (33) through connection piece (31), connecting block (31) close with transfer line (33) soon through the screw thread, stand (1) top is equipped with actuating mechanism, and actuating mechanism drive transfer line (33) rotate its characterized in that: the top of the upright post (1) is also provided with a switching mechanism, and the switching mechanism realizes the rotation of the cross rod (2) through the position of the movable driving mechanism.
2. The exhibition site security monitoring device of claim 1, wherein: horizontal pole (2) are close to stand (1) one side fixedly connected with internal gear cover (22), internal gear cover (22) extend to in stand (1), the bearing is established to internal gear cover (22) outside cover, internal gear cover (22) are connected with stand (1) rotation through the bearing.
3. The exhibition site security monitoring device of claim 2, wherein: the driving mechanism comprises a motor (4), the motor (4) is arranged on the top surface of the upright post (1), a first mounting cavity (11) is formed in the top of the upright post (1), a moving block (6) is arranged in the first mounting cavity (11), a rotating rod (40) is rotatably connected to the bottom end of the motor (4), the rotating rod (40) can slide on the top of the upright post (1), a first bevel gear (44) is fixedly connected to the bottom end of the rotating rod (40), a second bevel gear (45) is meshed with one side of the first bevel gear (44), a second connecting shaft (43) is fixedly connected to one side, away from the first bevel gear (44), of the second bevel gear (45), the first bevel gear (44) and the second bevel gear (45) are both located in the moving block (6), and one end, away from the second bevel gear (45), of the second connecting shaft (43) is fixedly connected, gear (41) opposite side fixedly connected with first connecting axle (42), gear (41) one end fixedly connected with transmission shaft (47) are kept away from in first connecting axle (42), transmission pole (33) are close to stand (1) tip and set up transmission chamber (48) of transmission shaft (47) looks adaptation, transmission chamber (48) inboard is seted up and is held chamber (49) rather than having a perfect understanding each other, transmission shaft (47) drive transfer pole (33) through transmission chamber (48) and rotate.
4. The exhibition site security monitoring device of claim 3, wherein: the transmission shaft (47) is a hexagonal prism.
5. The exhibition site security monitoring device of claim 3, wherein: the transmission shaft (47) is a pentagonal prism.
6. The exhibition site security monitoring device of claim 3, wherein: switching mechanism includes cylinder (5), establish in stand (1) keep away from horizontal pole (2) tip one side in cylinder (5), cylinder (5) remove the end and extend to first installation cavity (11) in be connected with movable block (6), internal gear cover (22) extend to first installation cavity (11) in, gear (41) are located internal gear cover (22) one side, gear (41) remove in internal gear cover (22), gear (41) and internal gear cover (22) meshing, gear (41) get into internal gear cover (22) completely in, drive shaft (47) leave transmission chamber (48) completely and get into in holding chamber (49).
7. The exhibition site security monitoring device of claim 6, wherein: the bottom end of the moving block (6) is fixedly connected with a dovetail block (61), a dovetail groove (62) matched with the dovetail block (61) is formed in the bottom surface of the first mounting cavity (11), and the dovetail block (61) slides in the dovetail groove (62).
8. The exhibition site security monitoring device of claim 7, wherein: the sliding distance of the dovetail block (61) in the dovetail groove (62) towards the inner gear sleeve (22) is larger than the distance between the gear (41) and the inner gear sleeve (22).
9. The exhibition site security monitoring device of claim 8, wherein: the bottom surface of the dovetail block (61) is embedded with balls, and the dovetail block (61) slides in the dovetail groove (62) through the balls.
10. The exhibition site security monitoring device of claim 3, wherein: the two sides of the connecting block (31) are fixedly connected with cleaning rings (32), the inner walls of the cleaning rings (32) are connected with cleaning bristles (321) at equal ring distances, and the free ends of the cleaning bristles (321) are in contact with the outer surface of the transmission rod (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131147.4A CN112963673B (en) | 2021-01-30 | 2021-01-30 | On-spot safety monitoring device of exhibitions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131147.4A CN112963673B (en) | 2021-01-30 | 2021-01-30 | On-spot safety monitoring device of exhibitions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112963673A true CN112963673A (en) | 2021-06-15 |
| CN112963673B CN112963673B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110131147.4A Active CN112963673B (en) | 2021-01-30 | 2021-01-30 | On-spot safety monitoring device of exhibitions |
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| CN (1) | CN112963673B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114831476A (en) * | 2022-05-11 | 2022-08-02 | 江西应用技术职业学院 | Intelligent dressing mirror convenient to height adjustment |
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