CN109163178B - Protection equipment for field monitoring system - Google Patents
Protection equipment for field monitoring system Download PDFInfo
- Publication number
- CN109163178B CN109163178B CN201811121592.7A CN201811121592A CN109163178B CN 109163178 B CN109163178 B CN 109163178B CN 201811121592 A CN201811121592 A CN 201811121592A CN 109163178 B CN109163178 B CN 109163178B
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- cabin
- movable
- movable cabin
- travel switch
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000001960 triggered effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 16
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
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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
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
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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
-
- 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to field monitoring system protection equipment, which comprises a bottom cabin, a movable cabin and a movable cabin cover from bottom to top; the bottom cabin and the movable cabin are of cylindrical structures, and the movable cabin is sleeved outside the bottom cabin from top to bottom; vertical slotted holes are symmetrically formed in the side wall of the bottom cabin, round holes are correspondingly formed in the lower portion of the side wall of the movable cabin, the slotted holes correspond to the round holes and are inserted with horizontal shafts in an opposite mode, and the shafts are arranged on lifting assemblies in the vertical direction arranged in the lower bottom cabin; a horizontal equipment fixing support plate is arranged at the top in the bottom cabin; the movable cabin cover is arranged at the top edge of the movable cabin through the motor turning assembly. The invention is a device which is suitable for an unattended environment in the field and needs remote control and protection of a monitoring system, realizes the full-automatic measurement work of the field detection system, ensures the reliability and safety of the system through the alarm device in the working process, ensures the integral safety and the working reliability of the system through improving the working environment of a transmission system, and has the characteristics of simple structure, convenient operation and safety and reliability.
Description
Technical Field
The invention relates to remote real-time monitoring auxiliary equipment, in particular to field monitoring system protection equipment.
Background
At present, in an environment requiring remote real-time monitoring in a field unattended mode, the use of some field monitoring systems is very wide, such as a total station is widely applied to deformation monitoring of large engineering structures such as high-speed rails, bridges, tunnel construction and the like, but the equipment has the characteristics of high precision and high value, and corresponding equipment is required to comprehensively protect the equipment, and the normal work of the equipment can be remotely controlled. But currently there is no perfect protection for such devices.
Disclosure of Invention
The invention aims to provide a field monitoring system protection device, which solves the problem of protecting detection devices such as total stations in an environment which is unattended in the field and needs remote control
The technical scheme adopted by the invention is as follows:
protection equipment for field monitoring system, which is characterized in that:
the device comprises a bottom cabin, a movable cabin and a movable cabin cover from bottom to top;
the bottom cabin and the movable cabin are of cylindrical structures, and the movable cabin is sleeved outside the bottom cabin from top to bottom; vertical slotted holes are symmetrically formed in the side wall of the bottom cabin, round holes are correspondingly formed in the lower portion of the side wall of the movable cabin, the slotted holes correspond to the round holes and are inserted with horizontal shafts in an opposite mode, and the shafts are arranged on lifting assemblies in the vertical direction arranged in the lower bottom cabin; a horizontal equipment fixing support plate is arranged at the top in the bottom cabin;
the movable cabin cover is arranged at the top edge of the movable cabin through the motor turning assembly.
The bottom of the bottom cabin is provided with a flat base.
The lifting assembly comprises a gear, a transmission gear, a screw pair and a nut from bottom to top;
the gear and the transmission gear are positioned on the surface of the base, are horizontally arranged, and a bottom cabin transmission system capable of driving the transmission gear and the gear to rotate in a horizontal plane is arranged at the side of the gear and the transmission gear;
the screw rod pair is vertically inserted into the middle shaft hole of the gear, and the top end of the screw rod pair is connected with the shaft through a screw nut.
The surface of the base is provided with a third travel switch, and the bottom surface of the equipment fixing support plate is provided with a fourth travel switch;
the fourth travel switch is triggered when the movable cabin rises to the top limit position, and the third travel switch is triggered when the movable cabin descends to the bottom limit position.
The motor turning assembly comprises a shaft and a bearing, the edge of the movable hatch cover is connected to the shaft through a shaft hole plate, the shaft is mounted on the outer wall of the top edge of the movable hatch cover through the shaft hole plate, one end of the shaft is connected with the motor through the bearing, and the motor is connected with the turbine worm speed reducing mechanism.
A second travel switch is arranged on the inner wall of the movable cabin top edge, and a first travel switch is arranged on the outer wall of the movable cabin top edge;
when the movable hatch cover is opened to reach the limit position, the first travel switch is triggered, and when the movable hatch cover is closed to reach the limit position, the second travel switch is triggered.
The equipment fixing support plate top is provided with the equipment setting platform that is used for installing monitoring facilities, and the center of equipment setting platform is provided with the connection installation screw.
The bottom surface of the movable end of the movable hatch cover is provided with a suction plate, and a lock body is arranged at a corresponding position of the inner wall of the top edge of the movable hatch cover.
The lock body is arranged on a fixed base arranged on the inner wall of the top edge of the movable cabin.
The invention has the following advantages:
the invention is a device which is suitable for an unattended environment in the field and needs remote control and protection of a monitoring system, realizes the full-automatic measurement work of the field detection system, ensures the reliability and safety of the system through the alarm device in the working process, ensures the integral safety and the working reliability of the system through improving the working environment of a transmission system, and has the characteristics of simple structure, convenient operation and safety and reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an isometric view of the present invention;
fig. 3 is a schematic view of the internal structure of the bottom compartment.
In the figure, the movable cabin cover is 1, the movable cabin is 2, the bottom cabin is 3, the base is 4, the first travel switch is 6, the motor is 7, the worm gear reduction mechanism is 8, the suction plate is 9, the equipment fixing support plate is 10, the equipment setting table is 11, the second travel switch is 12, the lock body is 13, the fixed base is 14, the fourth travel switch is 15, the shaft is 16, the screw nut is 17, the screw rod pair is 18, the gear is 19, the third travel switch is 20, the gear is 21, and the bottom cabin transmission system is provided.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention relates to field monitoring system protection equipment, which comprises a bottom cabin 3, a movable cabin 2 and a movable cabin cover 1 from bottom to top. The bottom of the bottom cabin 3 is provided with a flat base 4 which is connected through threads. The bottom cabin 3 and the movable cabin 2 are of cylindrical structures, and the movable cabin 2 is sleeved on the bottom cabin 3 from top to bottom; vertical slotted holes are symmetrically formed in the side wall of the bottom cabin 3, round holes are correspondingly formed in the lower portion of the side wall of the movable cabin 2, the slotted holes correspond to the round holes and are inserted with horizontal shafts 15 in opposite directions, and the shafts 15 are arranged on lifting assemblies in the vertical direction arranged in the bottom cabin 3 below the slotted holes; the top in the bottom compartment 3 is provided with a horizontal equipment fixing support plate 9. The movable hatch cover 1 is arranged on the top edge of the movable hatch 2 through a motor turning component.
The lifting assembly comprises a gear 18, a transmission gear 20, a screw pair 17 and a nut 16 from bottom to top; the gear 18 is positioned on the surface of the base 4, is horizontally arranged, is provided with a bottom cabin transmission system 17 (equipment model: JM-038) at the side, and drives the gear 18 to rotate in the horizontal plane through a transmission gear 20; the screw pair 17 is vertically inserted into a middle shaft hole of the gear 18, and the top end of the screw pair 17 is connected with the shaft 15 through the nut 16. The surface of the base 4 is provided with a No. three travel switch 19, and the bottom surface of the equipment fixing support plate 9 is provided with a No. four travel switch 14 (equipment model: AZ-7110); the fourth travel switch 14 is triggered when the movable cabin 2 is lifted to the top limit position, and the third travel switch 19 is triggered when the movable cabin 2 is lowered to the bottom limit position. The screw pair 17 drives the shaft 15 to move through the nut 16, the movable cabin 2 moves up and down along the slotted hole of the bottom cabin 3 through the shaft 15, and power is transmitted to the screw pair 17 through the transmission gear 20 and the gear 18 by the bottom cabin transmission system 21 fixed at the bottom of the movable cabin 2. The limit positions of the movable cabin 2 during descending and ascending are respectively limited by the travel switch No. 19 and the travel switch No. 14, so that the movable cabin 2 stops moving.
The motor turning assembly comprises a shaft and a bearing, the edge of the movable hatch cover 1 is connected to the shaft through a shaft hole plate, the shaft is mounted on the outer wall of the top edge of the movable hatch 2 through the shaft hole plate, one end of the shaft is connected with a motor 6 through the bearing, and the motor 6 is connected with a worm gear speed reducing mechanism 7 (the type of a direct-current worm gear speed reducing motor: JM-038). A second travel switch 11 is arranged on the inner wall of the top edge of the movable cabin 2, and a first travel switch 5 is arranged on the outer wall of the top edge of the movable cabin 2; when the movable hatch cover 1 is turned over to reach the limit position, the first travel switch 5 is triggered, and when the movable hatch cover 1 is closed to reach the limit position, the second travel switch 11 is triggered. The motor 6 and the worm gear reducing mechanism 7 transmit power to control the opening and closing of the movable hatch cover 1, when the movable hatch cover 1 is opened to the limit position, the first travel switch 5 is triggered, the movable hatch cover 1 stops moving, the bottom hatch transmission system 21 starts moving, and the movable hatch 2 is driven to descend; when the movable hatch 1 is completely closed, the second travel switch 11 is triggered, and the equipment enters a standby state.
The equipment fixing support plate 9 top is provided with the equipment setting platform 10 that is used for installing monitoring facilities, and the center of equipment setting platform 10 is provided with the connection installation screw. The monitoring devices used include total stations and the like.
The bottom surface of the movable end of the movable hatch cover 1 is provided with a suction plate 8, and a lock body 12 (equipment model: FU-FDCS 60-12V) is arranged at the corresponding position of the inner wall of the top edge of the movable hatch 2. The lock body 12 is mounted on a fixed base 13 arranged on the inner wall of the top edge of the movable cabin 2. When the movable hatch 1 is closed, the suction plate 8 is absorbed by the strong suction force generated by the lock body 12, so that the effect of locking the movable hatch 1 is achieved. The lock body 12 is an electromagnetic lock body.
The lightning rod system decides whether to need according to the actual condition of the equipment; in general, the metal shell outside the equipment can play a role in lightning protection, so that a lightning rod system is not required to be additionally arranged; if necessary, a lightning rod can be additionally or internally arranged, and the lightning rod leads lightning current to the ground through a grounding down wire and a grounding device, so that the equipment is prevented from being struck by lightning.
Determining whether a speed reducer and a transmission mechanism are arranged according to actual requirements; in general, the motor can be directly connected, but if the moment does not meet the actual requirement, a speed reducer is additionally arranged; after the accelerator is additionally arranged, if the positions of the mechanisms do not meet the actual requirements, a transmission mechanism is additionally arranged; the transmission mechanism can use gears, belt pulleys or transmission shafts and the like; the motor and the gear transmission mechanism are fixed in the bottom cabin 3 and protected by surrounding metal shells, so that a good environment is provided for the normal operation of the equipment; the motor drives the transmission system to transmit power, so that the movable cabin 2 reciprocates up and down.
The mechanical device capable of being opened and closed in a remote control mode is provided for protecting the total station, and the automatic measurement work of the total station is controlled in a remote mode. The mechanical device controls the total station to lift through the worm gear mechanism, the lever mechanism, the lifting mechanism and the like, so that the total station can have enough visual field during working, and can play a good role in protecting the total station in a stop state.
The worm gear reduction mechanism 7 transmits the rotation moment generated by the motor to a lever mechanism, i.e., a shaft and a bearing, which connects the movable hatch 1 and the movable hatch 2, so that it obtains an appropriate force to control the opening and closing of the movable hatch 1. Meanwhile, the worm and gear mechanism has a self-locking function, and when a motor fails, the device cannot be opened from the outside manually, so that the internal total station is protected.
The lifting mechanism consisting of the shaft 12, the screw nut 13, the screw rod pair 17, the bottom cabin transmission system 21, the transmission gear 20 and the gear 18 can control the lifting of the movable cabin 2, and limit the lifting limit position of the lifting mechanism through the travel switch 19 and the travel switch 14. The power is transmitted to the screw pair 17 through the transmission gear 20 and the gear 18 by the bottom cabin transmission system 21, the screw pair 17 drives the shaft 15 to move through the screw 16, and the rotary motion is converted into linear motion, so that the movable cabin 2 is lifted, the movable cabin is controlled to descend when the total station works, and the movable cabin is controlled to lift when the total station stops.
The content of the invention is not limited to the examples listed, and any equivalent transformation to the technical solution of the invention that a person skilled in the art can take on by reading the description of the invention is covered by the claims of the invention.
Claims (6)
1. Protection equipment for field monitoring system, which is characterized in that:
comprises a bottom cabin (3), a movable cabin (2) and a movable cabin cover (1) from bottom to top;
the bottom cabin (3) and the movable cabin (2) are of cylindrical structures, and the movable cabin (2) is sleeved on the bottom cabin (3) from top to bottom; vertical slots are symmetrically formed in the side wall of the bottom cabin (3), round holes are correspondingly formed in the lower portion of the side wall of the movable cabin (2), the slots correspond to the round holes and are inserted with horizontal shafts (15) in opposite mode, and the shafts (15) are installed on lifting assemblies in the vertical direction arranged in the bottom cabin (3) below the shafts; a horizontal equipment fixing support plate (9) is arranged at the inner top of the bottom cabin (3);
the movable cabin cover (1) is arranged at the top edge of the movable cabin (2) through a motor turning assembly;
the lifting assembly comprises a gear (18), a transmission gear (20), a screw pair (17) and a nut (16) from bottom to top;
the gear (18) and the transmission gear (20) are positioned on the surface of the base (4) and horizontally placed, and a bottom cabin transmission system (21) capable of driving the transmission gear (20) and the gear (18) to rotate in a horizontal plane is arranged beside the base;
the screw rod pair (17) is vertically inserted into a center shaft hole of the gear (18), and the top end of the screw rod pair (17) is connected with the shaft (15) through the screw nut (16);
the motor turning assembly comprises a shaft and a bearing, the edge of the movable cabin cover (1) is connected to the shaft through a shaft hole plate, the shaft is mounted on the outer wall of the top edge of the movable cabin (2) through the shaft hole plate, one end of the shaft is connected with the turbine worm speed reducing mechanism (7) through the bearing, and the motor (6) is connected with the turbine worm speed reducing mechanism (7);
a second travel switch (11) is arranged on the inner wall of the top edge of the movable cabin (2), and a first travel switch (5) is arranged on the outer wall of the top edge of the movable cabin (2);
when the movable hatch cover (1) is turned over to reach the limit position, a first travel switch (5) is triggered, and when the movable hatch cover (1) is closed to reach the limit position, a second travel switch (11) is triggered.
2. The field monitoring system protection device of claim 1, wherein:
the bottom of the bottom cabin (3) is provided with a flat base (4).
3. The field monitoring system protection device of claim 2, wherein:
a third travel switch (19) is arranged on the surface of the base (4), and a fourth travel switch (14) is arranged on the bottom surface of the equipment fixing support plate (9);
when the movable cabin (2) rises to the top limit position, a fourth travel switch (14) is triggered, and when the movable cabin (2) descends to the bottom limit position, a third travel switch (19) is triggered.
4. The field monitoring system protection device of claim 1, wherein:
the top of the equipment fixing support plate (9) is provided with an equipment placement table (10) for installing monitoring equipment, and the center of the equipment placement table (10) is provided with a connecting and installing screw hole.
5. The field monitoring system protection device of claim 1, wherein:
the bottom surface of the movable end of the movable cabin cover (1) is provided with a suction plate (8), and a lock body (12) is arranged at a corresponding position of the inner wall of the top edge of the movable cabin (2).
6. The field monitoring system protection device of claim 5, wherein:
the lock body (12) is arranged on a fixed base (13) arranged on the inner wall of the top edge of the movable cabin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121592.7A CN109163178B (en) | 2018-09-26 | 2018-09-26 | Protection equipment for field monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121592.7A CN109163178B (en) | 2018-09-26 | 2018-09-26 | Protection equipment for field monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109163178A CN109163178A (en) | 2019-01-08 |
| CN109163178B true CN109163178B (en) | 2023-08-29 |
Family
ID=64892566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811121592.7A Active CN109163178B (en) | 2018-09-26 | 2018-09-26 | Protection equipment for field monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163178B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082244A (en) * | 1976-11-01 | 1978-04-04 | Groff Leroy K | Counterbalancing supporting device |
| CA2872335A1 (en) * | 2012-05-01 | 2013-11-07 | Ctr Manufacturing Industries Limited | A device for detecting fluid leakage |
| KR101474695B1 (en) * | 2014-09-18 | 2014-12-18 | (주)삼정오토메이션 | Z-axis stage using direct drive motor |
| CN205402161U (en) * | 2016-03-09 | 2016-07-27 | 四川正基岩土工程有限公司 | Surveying instrument support |
| CN106764283A (en) * | 2016-12-28 | 2017-05-31 | 青岛祥智电子技术有限公司 | A kind of Mobile type indoor supervising device |
| ITUB20159667A1 (en) * | 2015-12-17 | 2017-06-17 | Nuova Elettr Snc Di Pasqui F & C | COUPLING SYSTEM FOR MACHINE SAFETY EQUIPMENT |
| CN206402328U (en) * | 2017-01-16 | 2017-08-11 | 中企众鑫（天津）工业设计有限公司 | A kind of lifting device for camera of container-type integrated monitoring system |
| CN107740921A (en) * | 2017-09-13 | 2018-02-27 | 安徽光华安防电子有限公司 | A kind of motorized adjustment monitoring camera height devices |
-
2018
- 2018-09-26 CN CN201811121592.7A patent/CN109163178B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082244A (en) * | 1976-11-01 | 1978-04-04 | Groff Leroy K | Counterbalancing supporting device |
| CA2872335A1 (en) * | 2012-05-01 | 2013-11-07 | Ctr Manufacturing Industries Limited | A device for detecting fluid leakage |
| KR101474695B1 (en) * | 2014-09-18 | 2014-12-18 | (주)삼정오토메이션 | Z-axis stage using direct drive motor |
| ITUB20159667A1 (en) * | 2015-12-17 | 2017-06-17 | Nuova Elettr Snc Di Pasqui F & C | COUPLING SYSTEM FOR MACHINE SAFETY EQUIPMENT |
| CN205402161U (en) * | 2016-03-09 | 2016-07-27 | 四川正基岩土工程有限公司 | Surveying instrument support |
| CN106764283A (en) * | 2016-12-28 | 2017-05-31 | 青岛祥智电子技术有限公司 | A kind of Mobile type indoor supervising device |
| CN206402328U (en) * | 2017-01-16 | 2017-08-11 | 中企众鑫（天津）工业设计有限公司 | A kind of lifting device for camera of container-type integrated monitoring system |
| CN107740921A (en) * | 2017-09-13 | 2018-02-27 | 安徽光华安防电子有限公司 | A kind of motorized adjustment monitoring camera height devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109163178A (en) | 2019-01-08 |
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