CN112032480A - Highway tunnel electromechanical monitoring device based on technical service - Google Patents
Highway tunnel electromechanical monitoring device based on technical service Download PDFInfo
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- CN112032480A CN112032480A CN202010659262.4A CN202010659262A CN112032480A CN 112032480 A CN112032480 A CN 112032480A CN 202010659262 A CN202010659262 A CN 202010659262A CN 112032480 A CN112032480 A CN 112032480A
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- motor box
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- screw rod
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F16M11/046—Allowing translations adapted to upward-downward 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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to the technical field of monitoring equipment, and discloses an electromechanical monitoring device of a highway tunnel based on technical service, which comprises a wall body, wherein the surface of the wall body is fixedly connected with a lifting channel, the upper surface of the lifting channel is spliced with a motor box, the bottom ends of four corners of the motor box are spliced inside a motor box mounting groove through motor box splicing holes, screws are connected with screw splicing holes and the inner threads of butt joint screw holes, the inner wall of the upper surface of the motor box is provided with a threaded groove, the surface of the inner wall of the threaded groove is fixedly connected with a threaded connector, a screw rod is driven by a motor to rotate, a mounting table is vertically lifted and moved on the surface of the screw rod to drive a machine body to lift, and the moving height of the mounting table is limited by an upper sensor and a lower sensor, so that the height of a camera can be freely lifted and lowered according to different environments and, the effect of monitoring and shooting by the external environment is better adapted.
Description
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to an expressway tunnel electromechanical monitoring device based on technical service.
Background
The electromechanical monitoring device for expressway tunnel is the general name of monitoring system and control system for expressway tunnel, and the important parts of expressway to ensure the high speed and safe running of traffic.
The existing electromechanical monitoring device for the highway tunnel can only move the monitoring camera at an angle for shooting, but the monitoring camera can only shoot from a height when shooting due to the shielding object or other external factors, and the monitoring shooting is not comprehensive enough due to the limitation of the shielding object, the angle or other external factors.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the expressway tunnel electromechanical monitoring device based on technical service, which has the advantages that the height of the monitoring camera can be freely lifted according to different environments and angles, the monitoring camera is better suitable for the external environment to carry out monitoring shooting, and the problem that the monitoring camera can only carry out shooting from one height when shooting due to shelters or other external factors, and the monitoring shooting is not comprehensive easily caused by the limitations of the shelters, the angles or other external factors is solved.
(II) technical scheme
In order to realize the purposes that the height of the monitoring camera can be freely lifted according to different environments and angles, and the monitoring camera is better suitable for monitoring and shooting in an external environment, the invention provides the following technical scheme: an electromechanical monitoring device for a highway tunnel based on technical service comprises a wall body, wherein a lifting channel is fixedly connected to the surface of the wall body, a motor box is inserted into the upper surface of the lifting channel, butt joint screw holes are formed in four sides of the bottom end of the motor box, the bottoms of four corners of the motor box are inserted into a motor box mounting groove through motor box inserting holes, a screw inserting hole is formed in the left side surface of the motor box mounting groove, screws are connected with the screw inserting hole and the inner threads of the butt joint screw holes in a threaded manner, a threaded groove is formed in the inner wall of the upper surface of the motor box, a threaded connector is fixedly connected to the surface of the inner wall of the threaded groove and fixedly connected to the top of a motor, a rotating shaft is inserted into the bottom end of an output shaft of the motor, a lead screw is fixedly connected to the bottom end of, the screw rod inserting hole is formed in the middle of the upper surface of the lifting way, the upper surface of the screw rod is sleeved with a fixed bearing, the fixed bearing is embedded into the center of the partition plate in the middle of the inside of the motor box, the right side of the inner wall of the lifting way is fixedly connected with an upper sensor, the upper part and the lower part of the right surface of the inner wall of the lifting way are respectively provided with a guide rail screw mounting groove, the right surface of the inner wall of the lifting way is fixedly connected with a guide rail, the upper part and the lower part of the guide rail are in threaded connection with a guide rail mounting screw at a position corresponding to the guide rail screw mounting groove, the middle part of the surface of the screw rod is in threaded connection with a mounting table, the right side of the mounting table is in rolling connection with a roller, the right end of the roller is in rolling connection with the inside, the bottom end of a screw rod is inserted into the inner wall of an inner ring of the screw rod bearing, a lower sensor is fixedly connected to the right side of the bottom surface of the inner wall of the lifting channel and the right side of the screw rod mounting groove, and the organism is fixedly connected to the left end of the mounting table.
Preferably, the outward appearance of going up and down to say is the cuboid, and the lift groove has been seted up on the left side of going up and down to say, and all the other four faces are the enclosed condition, and the effectual control of having strengthened whole device lift effect has avoided receiving the interference when the lift removes.
Preferably, the outer ring outer wall of the fixed bearing is fixedly connected with the center of the partition plate in the middle of the inside of the motor box, the inner ring inner wall is fixedly connected with the upper surface of the screw rod and is distributed with the screw rod in a perpendicular line mode, smoothness of the whole device when the whole device moves in a lifting mode is effectively guaranteed, and the practicability of the whole device is guaranteed.
Preferably, the motor box mounting groove is formed in the edge of the upper surface of the lifting channel, the fixed bearing is fixedly connected to the center of the upper surface of the lifting channel, the weight of the whole device is balanced to the maximum extent, and the situation of inclination in the process of installation or use is avoided.
Preferably, the length that the right side of mount table extends is the perpendicular line with the center of upper portion sensor, lower part sensor, better assurance the sensitivity of whole device, and the effectual condition of avoiding because the operation does not lead to the equipment damage in place appears.
Preferably, the outward appearance width of motor case slightly is less than the width of hoistway, and the bottom surface opening of motor case covers at the upper surface of hoistway, including the lead screw spliced eye covers, and the inside of effectual outside pollutant or liquid etc. of having avoided permeating into the hoistway through the lead screw spliced eye causes the corrosion.
Preferably, the lead screw jack is offered with the lead screw mounting groove and is the perpendicular line, and the inside of lead screw jack and lead screw mounting groove is located the upper portion and the bottom of lead screw respectively, has effectually guaranteed the smoothness nature that the integrated device used, has avoided the card condition of pausing to appear when using.
(III) advantageous effects
Compared with the prior art, the invention provides the technical service-based highway tunnel electromechanical monitoring device, which has the following beneficial effects:
1. this based on electromechanical monitoring device of technical service highway tunnel drives the lead screw through the motor and rotates, and the mount table moves the drive organism and goes up and down at the surperficial oscilaltion of lead screw, and the removal height of rethread upper portion sensor and lower part sensor restriction mount table to reach according to the difference of environment and angle, can freely go up and down the height of surveillance camera head, better adaptation external environment carries out the effect of monitoring shooting.
2. This based on electromechanical monitoring device of technical service highway tunnel, the bottom through the motor case is pegged graft in the inside of motor case mounting groove, and screw threaded connection is in the inside of screw spliced eye and butt joint screw hole, and the inside top surface inner wall at the motor case is connected with the motor to rethread thread groove and threaded meshing to reached the installation of convenient dismantlement of integrated device, reduced the effect of maintenance and replacement cost.
Drawings
FIG. 1 is a schematic view of the whole appearance structure of the present invention;
FIG. 2 is a front-view schematic view of the hoistway structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1-machine body, 2-wall body, 3-lifting way, 4-motor box, 5-thread groove, 6-motor, 7-thread joint, 8-rotating shaft, 9-screw rod, 10-fixed bearing, 11-screw rod jack, 12-upper sensor, 13-mounting table, 14-roller, 15-guide rail, 16-lower sensor, 17-screw rod mounting groove, 18-screw rod bearing, 19-motor box mounting groove, 20-motor box jack, 21-screw, 22-screw jack, 23-butt screw hole, 24-guide rail mounting screw and 25-guide rail screw mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, an electromechanical monitoring device for a highway tunnel based on technical service comprises a wall body 2, wherein a lifting channel 3 is fixedly connected to the surface of the wall body 2, the lifting channel 3 is cuboid in appearance, a lifting groove is formed in the left side of the lifting channel 3, the other four sides are in a closed state, a motor box 4 is inserted into the upper surface of the lifting channel 3, the appearance width of the motor box 4 is smaller than the width of the lifting channel 3, the bottom surface of the motor box 4 is open and covers the upper surface of the lifting channel 3, a screw rod insertion hole 11 is covered inside, four sides of the bottom end of the motor box 4 are respectively provided with a butt screw hole 23, the bottom ends of four corners of the motor box 4 are inserted into a motor box installation groove 19 through a motor box insertion hole 20, the motor box installation groove 19 is formed in the edge of the upper surface of the lifting channel 3, a fixed bearing 10 is fixedly connected to the, a screw inserting hole 22 is formed in the left side surface of the motor box mounting groove 19, a screw 21 is connected with the screw inserting hole 22 and the internal thread of the butt joint screw hole 23, a thread groove 5 is formed in the inner wall surface of the motor box 4, a thread joint 7 is fixedly connected with the inner wall surface of the thread groove 5, the thread joint 7 is fixedly connected to the top of the motor 6, a rotating shaft 8 is inserted into the bottom end of the output shaft of the motor 6, a lead screw 9 is fixedly connected to the bottom end of the rotating shaft 8, the lead screw 9 is inserted into the screw inserting hole 11, the screw inserting hole 11 is formed in the middle of the upper surface of the lifting way 3, a fixed bearing 10 is sleeved on the upper surface of the lead screw 9, the outer ring outer wall of the fixed bearing 10 is fixedly connected to the center of the partition plate in the middle of the inside of the motor box 4, the inner ring inner wall is fixedly connected to the upper surface of the, the right side of the inner wall of the upper surface of the lifting way 3 is fixedly connected with an upper sensor 12, the upper part and the lower part of the right surface of the inner wall of the lifting way 3 are respectively provided with a guide rail screw installation groove 25, the right surface of the inner wall of the lifting way 3 is fixedly connected with a guide rail 15, the upper part and the lower part of the guide rail 15 are in threaded connection with a guide rail installation screw 24 at the position corresponding to the guide rail screw installation groove 25, the middle thread of the surface of the screw rod 9 is connected with an installation table 13, the length of the right side of the installation table 13 is extended, the right side of the installation table 13 is perpendicular to the upper sensor 12 and the center of a lower sensor 16, the right side of the installation table 13 is in rolling connection with a roller 14, the right end of the roller 14 is in rolling connection with the inner part of the guide rail 15, the bottom surface of, the outer ring outer wall of a screw bearing 18 is fixedly connected to the inside of the screw rod mounting groove 17, the bottom end of a screw rod 9 is inserted into the inner ring inner wall of the screw rod bearing 18, a lower sensor 16 is fixedly connected to the right side of the bottom surface of the inner wall of the lifting channel 3 and the right side of the screw rod mounting groove 17, and the organism 1 is fixedly connected to the left end of the mounting table 13.
The working principle is as follows: the technical service-based electromechanical monitoring device for the expressway tunnel needs to be connected with a motor 6 on the surface of a thread groove 5 on the upper surface of the inner wall of a motor box 4 through a thread joint 7 at the top end in a threaded manner before use, then the bottom end of the motor box 4 is correspondingly inserted into a motor box mounting groove 19, a screw 21 penetrates through a screw inserting hole 22 and a butt joint screw hole 23 through threaded connection, so that the whole motor box 4 is fixed on the upper surface of a lifting channel 3, when the device is used, the motor 6 rotates to drive a rotating shaft 8 to rotate when current is connected, the rotating shaft 8 rotates to drive a screw rod 9 fixedly connected to the bottom end of the rotating shaft 8 to rotate, a mounting platform 13 is driven to move up and down on the surface of the screw rod 9 through the rotation of the screw rod 9 to lift, meanwhile, because the inner wall surface of a screw rod inserting hole 11 is a smooth surface and cannot play a fixing role, the rotation, the centrifugal force that produces when avoiding rotating causes the destruction to whole device, and in the inner ring inner wall of lead screw bearing 18 at the bottom fixed connection of lead screw 9, and the outer loop outer wall of lead screw bearing 18 then fixed connection is in the inner wall bottom surface of lane 3, thereby guaranteed that lead screw 9 is not influenced when rotating, and can not receive the interference of external member, mount table 13 carries out the displacement when going up and down on the surface of lead screw 9, because the height of lane 3 is limited, when mount table 13 rises or descends corresponding height, can trigger upper portion sensor 12 or lower part sensor 16, upper portion sensor 12 or lower part sensor 16 signal connection motor 6, then automatic sending order makes motor 6 stall for motor 6 after receiving triggering, thereby avoid leading to the damage of equipment because the restriction of the height that goes up and down.
In summary, the electromechanical monitoring device for the expressway tunnel based on technical service drives the screw rod 9 to rotate through the motor 6, the mounting table 13 moves up and down on the surface of the screw rod 9 to drive the machine body 1 to lift, the moving height of the mounting table 13 is limited through the upper sensor 12 and the lower sensor 16, thereby achieving the effect of freely lifting the height of the monitoring camera according to different environments and angles, better adapting to the external environment for monitoring and shooting, the bottom end of the motor box 4 is inserted in the motor box mounting groove 19, the screw 21 is in threaded connection with the screw inserting hole 22 and the butt joint screw hole 23, the motor 6 is connected with the inner wall of the inner top surface of the motor box 4 through the engagement of the thread groove 5 and the thread joint 7, therefore, the effect that the whole device is convenient to disassemble and assemble and the maintenance and replacement cost is reduced is achieved.
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 (7)
1. The utility model provides a based on electromechanical monitoring device of technical service highway tunnel, includes wall body (2), its characterized in that: the wall body (2) is fixedly connected with a lifting way (3) on the surface, a motor box (4) is inserted into the upper surface of the lifting way (3), butt joint screw holes (23) are formed in four sides of the bottom end of the motor box (4), the bottoms of four corners of the motor box (4) are inserted into a motor box mounting groove (19) through motor box inserting holes (20), a screw inserting hole (22) is formed in the left side surface of the motor box mounting groove (19), screws (21) are connected with the screw inserting holes (22) and the inner threads of the butt joint screw holes (23) through screws, a threaded groove (5) is formed in the inner wall of the upper surface of the motor box (4), a threaded connector (7) is fixedly connected to the surface of the inner wall of the threaded groove (5), the threaded connector (7) is fixedly connected to the top of a motor (6), and a rotating shaft (8) is inserted into the bottom end of an, the bottom end of the rotating shaft (8) is fixedly connected with a screw rod (9), the screw rod (9) is inserted in a screw rod insertion hole (11), the screw rod insertion hole (11) is formed in the middle of the upper surface of the lifting channel (3), a fixed bearing (10) is sleeved on the upper surface of the screw rod (9), the fixed bearing (10) is embedded in the center of a partition plate in the middle of the inside of the motor box (4), an upper sensor (12) is fixedly connected to the right side of the inner wall of the lifting channel (3), guide rail screw installation grooves (25) are formed in the upper portion and the lower portion of the right surface of the inner wall of the lifting channel (3), a guide rail (15) is fixedly connected to the right surface of the inner wall of the lifting channel (3), guide rail installation screws (24) are in threaded connection with the upper portion and the lower portion of the guide rail (15) at positions corresponding to, threaded connection has mount table (13) in the middle of the surface of lead screw (9), the right side roll connection of mount table (13) has gyro wheel (14), the right-hand member roll connection of gyro wheel (14) is in the inside of guide rail (15), lead screw mounting groove (17) have been seted up to the inner wall bottom surface of going up and down way (3), the outer loop outer wall of the inside fixedly connected with lead screw bearing (18) of lead screw mounting groove (17), the bottom of having inserted lead screw (9) in the inner ring inner wall of lead screw bearing (18), the inner wall bottom surface right side of going up and down way (3) just is at the right side fixedly connected with lower part sensor (16) of lead screw mounting groove (17), left end fixed connection organism (1) of mount table (13).
2. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the appearance of the lifting channel (3) is a cuboid, a lifting groove is formed in the left side of the lifting channel (3), and the rest four surfaces are in a closed state.
3. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the outer ring outer wall of the fixed bearing (10) is fixedly connected with the center of the partition plate in the middle of the inside of the motor box (4), and the inner ring inner wall is fixedly connected with the upper surface of the screw rod (9) and is distributed vertically with the screw rod (9).
4. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the motor box mounting groove (19) is formed in the edge of the upper surface of the lifting channel (3), and the fixed bearing (10) is fixedly connected to the center of the upper surface of the lifting channel (3).
5. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the right side of the mounting table (13) extends out of a length which is perpendicular to the centers of the upper sensor (12) and the lower sensor (16).
6. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the appearance width of the motor box (4) is smaller than the width of the lifting channel (3), the bottom surface of the motor box (4) is opened and covers the upper surface of the lifting channel (3) to cover the screw rod jack (11).
7. The technical service based highway tunnel electromechanical monitoring device according to claim 1, wherein: the screw rod inserting hole (11) and the screw rod mounting groove (17) are perpendicular to each other, and the screw rod inserting hole (11) and the inside of the screw rod mounting groove (17) are respectively located at the upper portion and the bottom end of the screw rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659262.4A CN112032480A (en) | 2020-07-09 | 2020-07-09 | Highway tunnel electromechanical monitoring device based on technical service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659262.4A CN112032480A (en) | 2020-07-09 | 2020-07-09 | Highway tunnel electromechanical monitoring device based on technical service |
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| Publication Number | Publication Date |
|---|---|
| CN112032480A true CN112032480A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659262.4A Pending CN112032480A (en) | 2020-07-09 | 2020-07-09 | Highway tunnel electromechanical monitoring device based on technical service |
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| CN (1) | CN112032480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719710A (en) * | 2021-08-30 | 2021-11-30 | 彭少仕 | Overspeed monitoring equipment |
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| DE19522381C1 (en) * | 1995-06-23 | 1996-12-05 | Haeusser Horst Metallwaren | Automatic position adjuster for e.g. monitor stand |
| US8157225B2 (en) * | 2009-08-03 | 2012-04-17 | Richard Earl Kephart | Monopod for camera |
| CN206743429U (en) * | 2017-03-14 | 2017-12-12 | 天津吉泽科技有限公司 | A kind of loading attachment for camera conduct monitoring at all levels |
| CN209130411U (en) * | 2018-11-21 | 2019-07-19 | 石家庄职业技术学院（石家庄广播电视大学） | A kind of road conditions information gathering device for urban transportation |
| CN209762618U (en) * | 2019-04-01 | 2019-12-10 | 南通市崇川天源工程技术设备厂 | Camera for security protection monitored control system convenient to installation |
| CN209782070U (en) * | 2019-03-29 | 2019-12-13 | 深圳市卓尔摄影器材有限公司 | Monitoring lens for optical equipment |
| CN210196922U (en) * | 2019-05-31 | 2020-03-27 | 深圳市创想体育设施工程有限公司 | Intelligent stadium |
-
2020
- 2020-07-09 CN CN202010659262.4A patent/CN112032480A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19522381C1 (en) * | 1995-06-23 | 1996-12-05 | Haeusser Horst Metallwaren | Automatic position adjuster for e.g. monitor stand |
| US8157225B2 (en) * | 2009-08-03 | 2012-04-17 | Richard Earl Kephart | Monopod for camera |
| CN206743429U (en) * | 2017-03-14 | 2017-12-12 | 天津吉泽科技有限公司 | A kind of loading attachment for camera conduct monitoring at all levels |
| CN209130411U (en) * | 2018-11-21 | 2019-07-19 | 石家庄职业技术学院（石家庄广播电视大学） | A kind of road conditions information gathering device for urban transportation |
| CN209782070U (en) * | 2019-03-29 | 2019-12-13 | 深圳市卓尔摄影器材有限公司 | Monitoring lens for optical equipment |
| CN209762618U (en) * | 2019-04-01 | 2019-12-10 | 南通市崇川天源工程技术设备厂 | Camera for security protection monitored control system convenient to installation |
| CN210196922U (en) * | 2019-05-31 | 2020-03-27 | 深圳市创想体育设施工程有限公司 | Intelligent stadium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719710A (en) * | 2021-08-30 | 2021-11-30 | 彭少仕 | Overspeed monitoring equipment |
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Application publication date: 20201204 |
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