CN112325105A - Supporting device convenient to height-adjusting - Google Patents
Supporting device convenient to height-adjusting Download PDFInfo
- Publication number
- CN112325105A CN112325105A CN202011365667.3A CN202011365667A CN112325105A CN 112325105 A CN112325105 A CN 112325105A CN 202011365667 A CN202011365667 A CN 202011365667A CN 112325105 A CN112325105 A CN 112325105A
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- China
- Prior art keywords
- communication equipment
- wall
- fixed
- equipment box
- fixedly provided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004891 communication Methods 0.000 claims abstract description 67
- 238000004804 winding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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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
- 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)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a supporting device convenient for height adjustment, and particularly relates to the field of supporting equipment. According to the invention, the servo motor controls the communication equipment box to ascend and descend on the outer wall of the sliding column main body, the communication equipment box is lowered to a position where an operator on the ground can install, the traditional communication equipment supporting device is prevented from being climbed with the operator, the working efficiency of the operator is improved, the communication equipment is convenient to maintain and install additionally at the later stage, the safety of the operator is improved, and the working strength of the operator is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of support, in particular to a supporting device convenient for height adjustment.
Background
The wireless communication equipment consists of a transmitter, a receiver, an antenna and a feeder, the dangerous communication equipment is often installed at a high position to receive signals conveniently, and the communication equipment is arranged at the top of a signal tower base station.
The prior art has the following defects: along with the development of our country's modernization, the popularization of 5G communication technology, wireless device's the speed of installation is more and more fast, all need operating personnel to climb to strutting arrangement when strutting arrangement that current wireless communication device used need maintenance or installation, because communication equipment mounting height is too high, when the staff gave wireless communication equipment maintenance and installation, seriously threatened operating personnel's personal safety, and operating personnel high altitude construction be not convenient for install maintenance communication equipment, the unable effectual communication equipment of installing fast of safety of current strutting arrangement.
Disclosure of Invention
Therefore, the supporting device convenient for height adjustment is provided by the embodiment of the invention, the communication equipment box is lowered to the position on the ground where an operator can conveniently install communication equipment through the servo motor and the rope, the phenomenon that the operator climbs the supporting device of the communication equipment is avoided, the working efficiency of the operator is improved, the communication equipment is conveniently additionally installed in the later maintenance process, the safety of the operator is improved, and the working intensity of the operator is reduced, so that the problems that the existing supporting device of the communication equipment needs to climb to a certain height to install the communication equipment, the personal safety of the operator cannot be guaranteed, the working efficiency of the installation and maintenance of the high-altitude operation is low, and the communication equipment is inconvenient to install and maintain are solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a supporting device convenient for height adjustment comprises a supporting column, a fixed base and a fixed top plate, wherein the fixed base is arranged at one end of the bottom of the supporting column, the fixed top plate is arranged at one end of the top of the supporting column, a communication equipment box is arranged at one end of the top of the supporting column, vertical and downward guide chutes are formed in the outer walls of the two sides of the supporting column, a penetrating stretching hole is formed in the supporting column, a first rope guide wheel is fixedly arranged on the outer wall of one side of the bottom of the inner wall of the stretching hole, the fixed base is fixedly arranged at one end of the bottom of the supporting column, a bottom plate is fixedly arranged at one end of the bottom of the fixed base, a fixed groove communicated with the stretching hole is formed in the fixed base, a rotating hole is formed in the inner wall of the two sides of the fixed groove, a rotating shaft is, a servo motor is fixedly arranged on the outer wall of one side of the fixed base, a pinion disc is fixedly arranged on the outer wall of an output shaft of the servo motor, through holes distributed equidistantly are formed in the outer wall of the top of the supporting column on the same horizontal line, second rope guide wheels are fixedly arranged at one ends, located at the bottoms of the through holes, of the inner walls of the stretching holes, a fixed top plate is fixedly arranged at one end of the top of the supporting column, first fixed columns distributed equidistantly are fixedly arranged on the outer wall of the bottom of the fixed top plate, traction wheels are fixedly arranged at one ends of the bottoms of the first fixed columns, a communication equipment box is connected with the outer wall of the supporting column in a sliding mode, second fixed columns distributed equidistantly are fixedly arranged at one end of the top of the second fixed column, a fixed ring is fixedly arranged at one end of the top of the second fixed column, the inner walls of two sides of the guide pipe are respectively provided with a rotating groove, and the inner walls of the rotating grooves are respectively and fixedly provided with a guide wheel.
Furthermore, one end of the traction rope is fixed on a winding wheel arranged on the rotating shaft through a traction wheel, a second rope guide wheel and a first rope guide wheel.
Further, outer walls of two sides of the communication equipment box are hinged to box doors through hinges, a fixing rod is fixedly arranged between the two box doors of the communication equipment box, and outer walls of two sides of the fixing rod are movably connected with fixing bolts through bearings.
Furthermore, the inner wall of the bottom of the communication equipment box is fixedly provided with mounting limiting holes distributed at equal intervals.
Further, the pinion and pinion disks are intermeshed.
Further, the guide tube is connected with the outer wall of the support column in a sliding mode, and the guide wheel is connected in the guide sliding groove in a sliding mode.
Furthermore, a sheath is fixedly arranged on the top of the communication equipment box and positioned on the guide pipe.
Furthermore, the servo motor is connected with a power switch through a wire, and the power switch is connected with a power line.
The embodiment of the invention has the following advantages:
according to the invention, the pinion disc is rotated by the servo motor to drive the pinion disc to rotate, the bull disc drives the rotating shaft to drive, the wire spool arranged on the rotating shaft rotates, the wire spool drives the pulling rope to pull when rotating, the pulling rope pulls the communication equipment box through the first rope guide wheel, the second rope guide wheel, the pulling wheel and the fixing ring, the guide pipe arranged in the communication equipment box slides on the outer wall of the support column, the guide wheel arranged on the inner wall of the guide pipe enables the communication equipment box to move up and down on the support column through the guide chute arranged on the outer wall of the support column, the position of the communication equipment box on the support column is convenient to control, the communication equipment box is convenient to descend to the bottom of the support column, the communication equipment is installed and maintained by an operator on the ground, the support column is prevented from being climbed by the operator, the working.
Drawings
FIG. 1 is a schematic cross-sectional view of a supporting device for height adjustment according to the present invention;
FIG. 2 is a schematic view of a portion A of the supporting device for facilitating height adjustment according to the present invention in FIG. 1;
FIG. 3 is a schematic structural diagram of a supporting device for facilitating height adjustment, shown in FIG. 1 as B;
fig. 4 is a schematic perspective view of a support device overnight equipment box with height convenient to adjust according to the present invention;
FIG. 5 is a schematic perspective view of a supporting column of a supporting device for height adjustment according to the present invention;
FIG. 6 is a schematic cross-sectional view of a guide tube of a supporting device for facilitating height adjustment according to the present invention;
in the figure: the device comprises a supporting column 1, a guide chute 2, a stretching hole 3, a traction rope 4, a first rope guide wheel 5, a fixing base 6, a fixing groove 7, a bottom plate 8, a rotating hole 9, a rotating shaft 10, a large gear disc 11, a servo motor 12, a small gear disc 13, a fixing top plate 14, a first fixing column 15, a traction wheel 16, a through hole 17, a communication equipment box 18, a second fixing column 19, a fixing ring 20, a guide pipe 21, a rotating groove 22, a guide wheel 23, a sheath 24, a box door 25, a fixing block 26, a fixing bolt 27, a limiting hole for mounting 28 and a second rope guide wheel 29.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-6 in the specification, the supporting device convenient for height adjustment of the embodiment comprises a supporting column 1, a fixing base 6 and a fixing top plate 14, wherein the fixing base 6 is arranged at one end of the bottom of the supporting column 1, the fixing top plate 14 is arranged at one end of the top of the supporting column 1, a communication equipment box 18 is arranged at one end of the top of the supporting column 1, vertical and downward guide chutes 2 are respectively formed on the outer walls of two sides of the supporting column 1, a through stretching hole 3 is formed in the supporting column 1, a first rope guide wheel 5 is fixedly arranged on the outer wall of one side of the bottom of the inner wall of the stretching hole 3, the fixing base 6 is fixedly arranged at one end of the bottom of the supporting column 1, a bottom plate 8 is fixedly arranged at one end of the bottom of the fixing base 6, a fixing groove 7 communicated with the stretching hole 3 is formed in the fixing base 6, the outer wall of the rotating shaft 10 is sleeved with a plurality of reels distributed equidistantly, the outer wall of one side of the rotating shaft 10 is fixedly provided with a large gear plate 11, the outer wall of one side of the fixed base 6 is fixedly provided with a servo motor 12, the outer wall of an output shaft of the servo motor 12 is fixedly provided with a small gear plate 13, the outer wall of the top of the supporting column 1 is positioned on the same horizontal line and is provided with through holes 17 distributed equidistantly, the inner wall of the stretching hole 3 is positioned at one end of the bottom of the through hole 17 and is fixedly provided with a second rope guide wheel 29, one end of the top of the supporting column 1 is fixedly provided with a fixed top plate 14, the outer wall of the bottom of the fixed top plate 14 is fixedly provided with first fixed columns 15 distributed equidistantly, one ends of the bottoms of the first fixed columns 15 are fixedly provided with traction wheels 16, the outer wall, a fixing ring 20 is fixedly arranged at one end of the top of the second fixing column 19, a traction rope 4 is fixedly arranged at one end of the fixing ring 20, a guide pipe 21 penetrating through the communication equipment box 18 is arranged at the central position of the communication equipment box 18, rotating grooves 22 are formed in the inner walls of two sides of the guide pipe 21, and guide wheels 23 are fixedly arranged on the inner walls of the rotating grooves 22.
Furthermore, one end of the traction rope 4 is fixed on a winding wheel arranged on the rotating shaft 10 through the traction wheel 16, the second rope guide wheel 19 and the first rope guide wheel 5, and the traction rope 4 is wound and unwound through the rotation of the winding wheel.
Further, outer walls of two sides of the communication equipment box 18 are hinged to box doors 25 through hinges, a fixing rod is fixedly arranged between the two box doors 25 of the communication equipment box 18, and outer walls of two sides of the fixing rod are movably connected with fixing bolts 27 through bearings.
Furthermore, the inner wall of the bottom of the communication equipment box 18 is fixedly provided with mounting limiting holes 28 which are distributed at equal intervals, so that the communication equipment can be conveniently mounted in the communication equipment box 18.
Further, the large gear plate 11 and the small gear plate 13 are engaged with each other, so that the servo motor 12 drives the rotating shaft 10 to rotate.
Further, the guide tube 21 is slidably connected with the outer wall of the support column 1, and the guide wheel 23 is slidably connected in the guide chute 11, so that the communication equipment box 18 can move smoothly on the outer wall of the support column 1.
Further, a sheath 24 is fixedly arranged on the top of the communication equipment box 18 and positioned on the guide pipe 21, so that rainwater is prevented from falling into the guide pipe 21.
Further, the servo motor 12 is connected with a power switch through a wire, and the power switch is connected with a power line.
The implementation scenario is specifically as follows: the experimental model is installed at a position where communication equipment needs to be installed, when the communication equipment is installed, the servo motor 12 rotates, the pinion disc 13 on the output shaft of the servo motor 12 drives the pinion disc 13 to rotate, the pinion disc 13 drives the rotating shaft 10 to transmit, the wire reel arranged on the rotating shaft 10 rotates, the wire reel drives the pulling traction rope 4 when rotating, the traction rope 4 pulls the communication equipment box 18 through the first rope guide wheel 5, the second rope guide wheel 29, the traction wheel 4 and the fixing ring 20, the guide tube 21 arranged in the communication equipment box 18 slides on the outer wall of the support column 1, the guide wheel 23 arranged on the inner wall of the guide tube 21 enables the communication equipment box 18 to move to the bottom of the support column 1 through the guide chute 2 arranged on the outer wall of the support column 1 and stand on the fixing base 6, an operator opens the box door 25 of the communication equipment box 18 through the fixing bolt 27, and fixedly installs the communication equipment through the installation, the chamber door 25 of communication equipment box 18 is closed after the installation finishes, then make wire reel shrink haulage rope 4 through servo motor 12, remove appropriate height with communication equipment box 18, avoid climbing traditional communication equipment strutting arrangement with operating personnel through reducing communication equipment box 18 to the position that ground operating personnel can install, operating personnel's work efficiency has been improved, be convenient for later stage maintenance installs communication equipment additional, operating personnel's security has been improved, staff's working strength has been reduced, this embodiment has specifically solved among the prior art current communication equipment strutting arrangement all needs operating personnel to climb to certain high installation communication equipment, operating personnel's personal safety can't be ensured, and high altitude construction installation maintenance work efficiency is low, be not convenient for install the problem of maintaining communication equipment.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a strutting arrangement convenient to height-adjusting, includes support column (1), unable adjustment base (6) and fixed roof (14), support column (1) bottom one end is located in unable adjustment base (6), support column (1) top one end is located in fixed roof (14), support column (1) top one end, its characterized in that are located in communication equipment case (18): the outer walls of two sides of the supporting column (1) are respectively provided with a vertical downward guide chute (2), a through stretching hole (3) is formed in the supporting column (1), a first rope guide wheel (5) is fixedly arranged on the outer wall of one side of the bottom of the inner wall of the stretching hole (3), a fixed base (6) is fixedly arranged at one end of the bottom of the supporting column (1), a bottom plate (8) is fixedly arranged at one end of the bottom of the fixed base (6), a fixed groove (7) communicated with the stretching hole (3) is formed in the fixed base (6), rotary holes (9) are formed in the inner walls of two sides of the fixed groove (7), a rotary shaft (10) is inserted into the inner wall of each rotary hole (9) through a bearing, the outer wall of the rotary shaft (10) is sleeved with a plurality of winding wheels which are distributed at equal intervals, a large gear disc (11) is fixedly arranged on the outer wall of, the outer wall of an output shaft of the servo motor (12) is fixedly provided with a pinion disc (13), the outer wall of the top of the support pillar (1) is positioned on the same horizontal line and is provided with through holes (17) distributed equidistantly, one ends of the inner walls of the stretching holes (3) positioned at the bottoms of the through holes (17) are respectively and fixedly provided with a second rope guide wheel (29), one end of the top of the support pillar (1) is fixedly provided with a fixed top plate (14), the outer wall of the bottom of the fixed top plate (14) is fixedly provided with first fixed columns (15) distributed equidistantly, one ends of the bottoms of the first fixed columns (15) are respectively and fixedly provided with a traction wheel (16), the outer wall of the support pillar (1) is in sliding connection with a communication equipment box (18), one end of the top of the communication equipment box (18) is fixedly provided with second fixed columns, the fixed ring (20) one end is all fixed and is equipped with haulage rope (4), communication equipment case (18) central point puts and opens and has run through stand pipe (21) in communication equipment case (18), stand pipe (21) both sides inner wall all opens and rotates groove (22), it all is fixed and is equipped with guide pulley (23) to rotate groove (22) inner wall.
2. A support device for facilitating height adjustment according to claim 1, wherein: one end of the traction rope (4) is fixed on a reel arranged on the rotating shaft (10) through a traction wheel (16), a second rope guide wheel (19) and a first rope guide wheel (5).
3. A support device for facilitating height adjustment according to claim 1, wherein: outer walls of two sides of the communication equipment box (18) are hinged to box doors (25) through hinges, a fixing rod is fixedly arranged between the two box doors (25) of the communication equipment box (18), and outer walls of two sides of the fixing rod are movably connected with fixing bolts (27) through bearings.
4. A support device for facilitating height adjustment according to claim 1, wherein: the inner wall of the bottom of the communication equipment box (18) is fixedly provided with mounting limit holes (28) which are distributed at equal intervals.
5. A support device for facilitating height adjustment according to claim 1, wherein: the large gear disc (11) and the small gear disc (13) are meshed with each other.
6. A support device for facilitating height adjustment according to claim 1, wherein: the guide tube (21) is connected with the outer wall of the support column (1) in a sliding mode, and the guide wheel (23) is connected in the guide sliding groove (11) in a sliding mode.
7. A support device for facilitating height adjustment according to claim 1, wherein: the top of the communication equipment box (18) is fixedly provided with a sheath (24) on the guide tube (21).
8. A support device for facilitating height adjustment according to claim 1, wherein: the servo motor (12) is connected with a power switch through a lead, and the power switch is connected with a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011365667.3A CN112325105A (en) | 2020-11-28 | 2020-11-28 | Supporting device convenient to height-adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011365667.3A CN112325105A (en) | 2020-11-28 | 2020-11-28 | Supporting device convenient to height-adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112325105A true CN112325105A (en) | 2021-02-05 |
Family
ID=74309021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011365667.3A Withdrawn CN112325105A (en) | 2020-11-28 | 2020-11-28 | Supporting device convenient to height-adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112325105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264272A (en) * | 2022-07-19 | 2022-11-01 | 济南辉煌艺景模型有限公司 | Portable digital exhibition room display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120068691A (en) * | 2010-12-17 | 2012-06-27 | 김응욱 | Cctv pole system capable of moving camera up and down |
| CN210266561U (en) * | 2019-07-12 | 2020-04-07 | 江西工程学院 | Gardens monitoring device based on thing networking |
| CN211176197U (en) * | 2019-10-22 | 2020-08-04 | 赖喜连 | Security protection monitoring device for network machine room |
| CN111779932A (en) * | 2020-07-17 | 2020-10-16 | 韦贵升 | Community security device convenient to maintain monitoring equipment |
-
2020
- 2020-11-28 CN CN202011365667.3A patent/CN112325105A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120068691A (en) * | 2010-12-17 | 2012-06-27 | 김응욱 | Cctv pole system capable of moving camera up and down |
| CN210266561U (en) * | 2019-07-12 | 2020-04-07 | 江西工程学院 | Gardens monitoring device based on thing networking |
| CN211176197U (en) * | 2019-10-22 | 2020-08-04 | 赖喜连 | Security protection monitoring device for network machine room |
| CN111779932A (en) * | 2020-07-17 | 2020-10-16 | 韦贵升 | Community security device convenient to maintain monitoring equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264272A (en) * | 2022-07-19 | 2022-11-01 | 济南辉煌艺景模型有限公司 | Portable digital exhibition room display device |
| CN115264272B (en) * | 2022-07-19 | 2023-05-16 | 济南辉煌艺景模型有限公司 | Mobile digital exhibition hall display device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |
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| WW01 | Invention patent application withdrawn after publication |