CN107882416A - A kind of construction protection net of foldable telescopic - Google Patents
A kind of construction protection net of foldable telescopic Download PDFInfo
- Publication number
- CN107882416A CN107882416A CN201711142352.0A CN201711142352A CN107882416A CN 107882416 A CN107882416 A CN 107882416A CN 201711142352 A CN201711142352 A CN 201711142352A CN 107882416 A CN107882416 A CN 107882416A
- Authority
- CN
- China
- Prior art keywords
- fixedly mounted
- expansion link
- humidity
- circular hole
- net
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of construction protection net of foldable telescopic, including protection network pedestal, the protection network pedestal upper surface is provided with sliding recess, the sliding recess top is provided with carriage, the fixed cross beam top is provided with guard rail extension fixture, the guard rail extension fixture top is provided with radical occlusion device, sound prompt device is provided between fixed cross beam and guard rail the extension fixture bottom, the radical occlusion device bosom position is provided with temperature sensing device, humidity sensing device is provided with temperature sensing device antimere, it is described matched to be provided with control device.The invention has the advantages that it is simple in construction, it is practical.
Description
Technical field
The present invention relates to Architectural Equipment field, the construction protection net of particularly a kind of foldable telescopic.
Background technology
During municipal construction, often guard rail is laid on construction area periphery to workmen, to prevent passerby is strayed into from applying
Work area, damage, and present construction protection column design is simple, only vertical rectangle panel assembly protection network, and high
Spend limited, the silt for causing to splash in work progress can cross guard rail, pollute road surface nearby.
The content of the invention
The invention aims to solve the above problems, a kind of construction protection net of foldable telescopic is devised.
Realize above-mentioned purpose the technical scheme is that, a kind of construction protection net of foldable telescopic, including protection network
Pedestal, the protection network pedestal are fixedly mounted on the ground, and the protection network pedestal upper surface is provided with sliding recess, the slip
Groove top is provided with carriage, the carriage be by be connected with sliding recess internal slide sliding axle, be fixedly mounted
Base support on sliding axle top, it is fixedly mounted on the expansion link of base support left and right ends, is inside expansion link micro-
Type linear electric motors, the fixed cross beam for being fixedly mounted on expansion link top, the foldable protection network between expansion link are common
Form, the fixed cross beam top is provided with guard rail extension fixture, and the guard rail extension fixture is by being fixedly mounted on
The extension expansion link for determining crossbeam left and right ends is fixedly mounted on the extension telescoping crossbeam on extension expansion link top, stretched positioned at extension
First straight line motor inside crossbeam, the flexible net of the extension between extension telescoping crossbeam inside collectively form, described
Guard rail extension fixture top is provided with radical occlusion device, and the radical occlusion device is to extend telescoping crossbeam left and right ends by being fixedly mounted on
Expansion link is blocked, is fixedly mounted on and blocks blocking net, being fixedly mounted on and block inside expansion link between expansion link in top
Second straight line motor is collectively formed, and sound prompt device is provided between fixed cross beam and guard rail the extension fixture bottom,
The sound prompt device is carried by being fixedly mounted on voice message box outside guard rail extension fixture, being fixedly mounted on voice
Show what the loudspeaker inside box collectively formed, the radical occlusion device bosom position is provided with temperature sensing device, the temperature
Sensing device is by being fixedly mounted on baffle plate inside radical occlusion device, being opened in the sensing circular hole of baffle plate one end, through sensing circular hole
Sensing shaft, be fixedly mounted on what the TEMP meter of sensing shaft lower free end collectively formed, it is symmetrical with temperature sensing device
Position is provided with humidity sensing device, and the humidity sensing device is by being fixedly mounted on humidity baffle plate inside radical occlusion device, opening
Humidity circular hole in humidity baffle plate one end, through humidity circular hole humidity axle, be fixedly mounted on the wet of humidity axle lower free end
Degree sensor collectively forms, it is described it is matched be provided with control device, the control device is by control box, is located at control box
On electric capacity display screen, the battery case that is fixedly mounted on inside control box, the PLC system inside control box collectively form
, the control box controls miniature linear, first straight line motor, second straight line motor, loudspeaker, TEMP respectively
Meter, humidity sensor.
It is attached between the extension expansion link and fixed cross beam by fixing device.
The fixing device is by being opened in the fixation circular hole of fixed cross beam left and right ends, being engraved in all inside fixed circular hole consolidate
Determine screw thread, be engraved in and extend what the fixed thread of expansion link bottom collectively formed, the fixed cross beam passes through spiral shell with extending expansion link
Line is attached.
The foldable protection network is made up of folding device.
The folding device is to fold vertical clapboard, the control circular hole for being opened in folding vertical clapboard both ends by the left and right sides, pass through
Control the fixing axle, the fixing nut of fixed fixing axle, the common structure of protective plate being fixedly mounted between folding vertical clapboard of circular hole
Into.
Pass through fixation between each top for folding vertical clapboard and next control circular hole for folding vertical clapboard bottom
Axle and fixing nut are fixedly connected.
The extension telescoping crossbeam left and right ends top is fixedly connected with blocking expansion link by tilting gearing.
The tilting gearing is to extend the inclination angle iron plate on telescoping crossbeam top by being fixedly mounted on, be fixedly mounted on inclination angle iron
The inclination angle hole at piece both ends, the inclination angle fixing axle through inclination angle hole collectively form.
The net that blocks is a kind of cloth of special substance, and can not only keep the sun off to keep off the rain, and greatly improve and apply
The working environment of worker person.
It is described that to extend the flexible net left and right sides be that small-sized expansion link, centre are flexible springs.
A kind of construction protection net of the foldable telescopic made using technical scheme, can not only prevent silt
The frequency for danger occur can also be substantially reduced to carrying out voice message close to person by splashing, and folding and unfolding is simply easy to use.
Brief description of the drawings
Fig. 1 is a kind of construction protection net schematic diagram of foldable telescopic of title of the present invention；
Fig. 2 is sound prompt device enlarged drawing of the present invention；
Fig. 3 is temperature sensing device enlarged drawing of the present invention；
Fig. 4 is humidity sensing device enlarged drawing of the present invention；
Fig. 5 is control device enlarged drawing of the present invention；
Fig. 6 is folding device enlarged drawing of the present invention；
Fig. 7 is tilting gearing enlarged drawing of the present invention；
In figure, 1, protection network pedestal；2nd, sliding recess；3rd, sliding axle；4th, base support；5th, expansion link；6th, miniature linear；
7th, fixed cross beam；8th, foldable protection network；9th, telescoping crossbeam is extended；10th, first straight line motor；11st, flexible net is extended；12nd, hide
Keep off expansion link；13rd, expansion link is extended；14th, net is blocked；15th, voice message box；16th, loudspeaker；17th, baffle plate；18th, circular hole is sensed；
19th, sensing shaft；20th, TEMP meter；21st, humidity baffle plate；22nd, humidity circular hole；23rd, humidity axle；24th, humidity sensor；25th, control
Box processed；26th, electric capacity display screen；27th, battery case；28th, PLC system；29th, vertical clapboard is folded；30th, circular hole is controlled；31st, fixing axle；
32nd, fixing nut；33rd, protective plate；34th, inclination angle iron plate；35th, inclination angle hole；36th, inclination angle fixing axle；37th, small-sized expansion link；38th, bullet
Spring；39th, second straight line motor.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in figs. 1-7, a kind of construction protection of foldable telescopic
Net, including protection network pedestal 1, the protection network pedestal 1 are fixedly mounted on the ground, and the upper surface of protection network pedestal 1 is provided with
Sliding recess 2, the top of the sliding recess 2 are provided with carriage, and the carriage is by connecting with the internal slide of sliding recess 2
The sliding axle 3 that connects, it is fixedly mounted on the base support 4 on the top of sliding axle 3, is fixedly mounted on stretching for the left and right ends of base support 4
Contracting bar 5, the miniature linear 6 inside expansion link 5, the fixed cross beam 7 for being fixedly mounted on the top of expansion link 5, it is arranged on
What the foldable protection network 8 between expansion link 5 collectively formed, the top of fixed cross beam 7 is provided with guard rail extension fixture, described
Guard rail extension fixture is to be fixedly mounted on extension by the extension expansion link 13 for being fixedly mounted on the left and right ends of fixed cross beam 7 to stretch
The top of bar 13 extends telescoping crossbeam 9, stretched positioned at the first straight line motor 10 extended inside telescoping crossbeam 9, installed in extension
What the flexible net 11 of extension between the inside of crossbeam 9 collectively formed, the guard rail extension fixture top is provided with radical occlusion device, described
Radical occlusion device is to extend blocking expansion link 12, being fixedly mounted on and block for telescoping crossbeam 9 left and right ends top by being fixedly mounted on
Blocking net 14, being fixedly mounted on what the second straight line motor 39 blocked inside expansion link 12 collectively formed between expansion link 12,
Sound prompt device is provided between fixed cross beam 7 and guard rail the extension fixture bottom, the sound prompt device is by solid
Voice message box 15 of the Dingan County outside the guard rail extension fixture, the loudspeaker 16 being fixedly mounted on inside voice message box 15
Collectively form, the radical occlusion device bosom position is provided with temperature sensing device, and the temperature sensing device is by fixing
Baffle plate 17 inside radical occlusion device, the sensing circular hole 18 for being opened in the one end of baffle plate 17, the sensing shaft through sensing circular hole 18
19th, it is fixedly mounted on what the TEMP meter 20 of the lower free end of sensing shaft 19 collectively formed, with the symmetrical portion of temperature sensing device
Position is provided with humidity sensing device, and the humidity sensing device is by being fixedly mounted on humidity baffle plate 21 inside radical occlusion device, opening
Humidity circular hole 22 in the one end of humidity baffle plate 21, through humidity circular hole 22 humidity axle 23, be fixedly mounted on the bottom of humidity axle 23
What the humidity sensor 24 of free end collectively formed, it is described it is matched be provided with control device, the control device is by controlling
Box 25, the electric capacity display screen 26 being located in control box 25, the battery case 27 being fixedly mounted on inside control box 25, positioned at control box
What the PLC system 28 inside 25 collectively formed, the control box 25 control respectively miniature linear 6, first straight line motor 10,
Second straight line motor 39, loudspeaker 16, TEMP meter 20, humidity sensor 24；The extension expansion link 13 and fixed cross beam 7
Between be attached by fixing device；The fixing device is by being opened in the fixation circular hole of the left and right ends of fixed cross beam 7, being engraved in
The fixed thread in week inside fixed circular hole, it is engraved in and extends what the fixed thread of the bottom of expansion link 13 collectively formed, it is described fixed horizontal
Beam 7 is attached with extending expansion link 13 by screw thread；The foldable protection network 8 is made up of folding device；The folding
Stacking device is to fold vertical clapboard 29 by the left and right sides, be opened in and fold the control circular hole 30 at vertical clapboard 29 both ends, through control circular hole
30 fixing axle 31, the fixing nut 32 of fixed fixing axle 31, to be fixedly mounted on the protective plate 33 folded between vertical clapboard 29 common
With what is formed；Lead between each top for folding vertical clapboard 29 and next control circular hole 30 for folding the bottom of vertical clapboard 29
Fixing axle 31 and fixing nut 32 are crossed to be fixedly connected；The extension telescoping crossbeam 9 left and right ends top is flexible with blocking
Bar 12 is fixedly connected by tilting gearing；The tilting gearing is to extend inclining for the top of telescoping crossbeam 9 by being fixedly mounted on
Angle iron sheet 34, the inclination angle hole 35 for being fixedly mounted on the both ends of inclination angle iron plate 34, the 36 common structure of inclination angle fixing axle through inclination angle hole 35
Into；The net 14 that blocks is a kind of cloth of special substance, and can not only keep the sun off to keep off the rain, and greatly improve construction
The working environment of personnel；It is described that to extend the flexible left and right sides of net 11 be that small-sized expansion link 37, centre are flexible springs 38.
The characteristics of the present embodiment is that protection network pedestal is fixedly mounted on the ground, and protection network pedestal upper surface, which is provided with, to be slided
Dynamic groove, sliding recess top are provided with carriage, carriage be by be connected with sliding recess internal slide sliding axle, consolidate
Dingan County is mounted in the base support on sliding axle top, is fixedly mounted on the expansion link of base support left and right ends, in expansion link
The miniature linear in portion, the fixed cross beam for being fixedly mounted on expansion link top, the foldable protection between expansion link
What net collectively formed, fixed cross beam top is provided with guard rail extension fixture, and guard rail extension fixture is by being fixedly mounted on fixation
The extension expansion link of crossbeam left and right ends, which is fixedly mounted on, extends the extension telescoping crossbeam on expansion link top, positioned at the flexible horizontal stroke of extension
First straight line motor inside beam, the flexible net of the extension between extension telescoping crossbeam inside collectively form, guard rail
Extension fixture top is provided with radical occlusion device, and radical occlusion device is to extend blocking for telescoping crossbeam left and right ends top by being fixedly mounted on
Expansion link, it is fixedly mounted on and blocks blocking net, being fixedly mounted on the second straight line electricity blocked inside expansion link between expansion link
What machine collectively formed, sound prompt device is provided between fixed cross beam and guard rail extension fixture bottom, sound prompt device is
It is total to by the loudspeaker for being fixedly mounted on voice message box outside guard rail extension fixture, being fixedly mounted on inside voice message box
With what is formed, radical occlusion device bosom position is provided with temperature sensing device, and temperature sensing device is blocked by being fixedly mounted on
Baffle plate inside device, the sensing circular hole for being opened in baffle plate one end, through sensing circular hole sensing shaft, be fixedly mounted under sensing shaft
What the TEMP meter of portion free end collectively formed, humidity sensing device is provided with temperature sensing device antimere, humidity passes
Induction device is by being fixedly mounted on humidity baffle plate inside radical occlusion device, being opened in the humidity circular hole of humidity baffle plate one end, through wet
What the humidity axle for spending circular hole, the humidity sensor for being fixedly mounted on humidity axle lower free end collectively formed, it is matched to be provided with
Control device, control device are by control box, the electric capacity display screen being located in control box, the electricity being fixedly mounted on inside control box
Pond groove, the PLC system inside control box collectively form, and control box controls miniature linear, first straight line electricity respectively
Machine, second straight line motor, loudspeaker, TEMP meter, humidity sensor, the one kind made using technical scheme can
The construction protection net of folding retractable, it can not only prevent silt from splashing can also be substantially reduced out to carrying out voice message close to person
Existing dangerous frequency, and folding and unfolding is simply easy to use.
In the present embodiment, protection network pedestal upper surface is provided with sliding recess, sliding recess top is provided with carriage,
Carriage be by be connected with sliding recess internal slide sliding axle, be fixedly mounted on the base support, solid on sliding axle top
Dingan County mounted in the expansion links of base support left and right ends, the miniature linear inside expansion link, be fixedly mounted on it is flexible
The fixed cross beam on bar top, the foldable protection network between expansion link collectively form, and fixed cross beam top is provided with anti-
Guardrail extension fixture, guard rail extension fixture top is provided with radical occlusion device, between fixed cross beam and guard rail extension fixture bottom
Provided with sound prompt device, radical occlusion device bosom position is provided with temperature sensing device, with temperature sensing device antimere
It is matched to be provided with control device provided with humidity sensing device, control device respectively with carriage, guard rail extension fixture,
Radical occlusion device, sound prompt device, temperature sensing device, humidity sensing device are connected, and guard rail can pass through control device
Carry out flexible installation, and guard rail can prompt the dangerous temperature that can also constantly monitor inside construction area of close people and
Humidity condition so that workmen can have a safer construction environment.
In the present embodiment, extend between expansion link and fixed cross beam and be attached by fixing device, fixing device
Be by the fixed thread in week inside being opened in the fixation circular hole of fixed cross beam left and right ends, being engraved in fixed circular hole, to be engraved in extension flexible
What the fixed thread of bar bottom collectively formed, fixed cross beam is attached with extending expansion link by screw thread, foldable protection network
It is made up of folding device, folding device is to fold vertical clapboard by the left and right sides, be opened in the control circle at folding vertical clapboard both ends
Hole, fixing axle, the fixing nut of fixed fixing axle, the protective plate being fixedly mounted on folding vertical clapboard through control circular hole
Collectively form, pass through fixing axle between each top for folding vertical clapboard and next control circular hole for folding vertical clapboard bottom
It is fixedly connected with fixing nut, extends telescoping crossbeam left and right ends top and carried out with blocking expansion link by tilting gearing
It is fixedly connected, tilting gearing is to extend the inclination angle iron plate on telescoping crossbeam top by being fixedly mounted on, be fixedly mounted on inclination angle iron plate
The inclination angle hole at both ends, the inclination angle fixing axle through inclination angle hole collectively form, and it is a kind of cloth of special substance to block net, can not only
Enough keeping the sun off to keep off the rain, and greatly improve the working environment of workmen, and it is small-sized stretch to extend the flexible net left and right sides
Contracting bar, centre are flexible springs, a kind of construction protection of the foldable telescopic made using technical scheme
Net, it can not only prevent silt from splashing can also substantially reduce the frequency for danger occur to carrying out voice message close to person, and
Folding and unfolding is simply easy to use.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
Some variations that some of which part may be made are embodied the present invention principle, belong to protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of construction protection net of foldable telescopic, including protection network pedestal（1）, it is characterised in that the protection network pedestal
（1）It is fixedly mounted on the ground, the protection network pedestal（1）Upper surface is provided with sliding recess（2）, the sliding recess（2）On
Portion is provided with carriage, the carriage be by with sliding recess（2）The sliding axle of internal slide connection（3）, be fixedly mounted
In sliding axle（3）The base support on top（4）, be fixedly mounted on base support（4）The expansion link of left and right ends（5）, positioned at stretching
Contracting bar（5）Internal miniature linear（6）, be fixedly mounted on expansion link（5）The fixed cross beam on top（7）, installed in flexible
Bar（5）Between foldable protection network（8）Collectively form, the fixed cross beam（7）Top is provided with guard rail extension fixture, institute
It is by being fixedly mounted on fixed cross beam to state guard rail extension fixture（7）The extension expansion link of left and right ends（13）It is fixedly mounted on and prolongs
Long expansion link（13）The extension telescoping crossbeam on top（9）, positioned at extend telescoping crossbeam（9）Internal first straight line motor（10）、
Installed in extension telescoping crossbeam（9）The flexible net of extension between inside（11）Collectively form, on the guard rail extension fixture
Portion is provided with radical occlusion device, and the radical occlusion device is by being fixedly mounted on extension telescoping crossbeam（9）Blocking for left and right ends top is stretched
Contracting bar（12）, be fixedly mounted on and block expansion link（12）Between block net（14）, be fixedly mounted on and block expansion link（12）It is interior
The second straight line motor in portion（39）Collectively form, the fixed cross beam（7）Language is provided between guard rail extension fixture bottom
Sound suggestion device, the sound prompt device are the voice message boxes by being fixedly mounted on outside guard rail extension fixture（15）、
It is fixedly mounted on voice message box（15）Internal loudspeaker（16）Collectively form, the radical occlusion device bosom position is set
There is temperature sensing device, the temperature sensing device is the baffle plate by being fixedly mounted on inside radical occlusion device（17）, be opened in baffle plate
（17）The sensing circular hole of one end（18）, through sensing circular hole（18）Sensing shaft（19）, be fixedly mounted on sensing shaft（19）Bottom
The TEMP meter of free end（20）Collectively form, humidity sensing device is provided with temperature sensing device antimere, it is described
Humidity sensing device is the humidity baffle plate by being fixedly mounted on inside radical occlusion device（21）, be opened in humidity baffle plate（21）One end it is wet
Spend circular hole（22）, through humidity circular hole（22）Humidity axle（23）, be fixedly mounted on humidity axle（23）The humidity of lower free end
Sensor（24）Collectively form, it is described it is matched be provided with control device, the control device is by control box（25）, be located at
Control box（25）On electric capacity display screen（26）, be fixedly mounted on control box（25）Internal battery case（27）, positioned at control box
（25）Internal PLC system（28）Collectively form, the control box（25）Miniature linear is controlled respectively（6）, it is first straight
Line motor（10）, second straight line motor（39）, loudspeaker（16）, TEMP meter（20）, humidity sensor（24）.
A kind of 2. construction protection net of foldable telescopic according to claim 1, it is characterised in that the extension expansion link
（13）With fixed cross beam（7）Between be attached by fixing device.
3. the construction protection net of a kind of foldable telescopic according to claim 2, it is characterised in that the fixing device is
By being opened in fixed cross beam（7）The fixation circular hole of left and right ends, the fixed thread in week inside fixed circular hole is engraved in, is engraved in extend and stretches
Bar（13）What the fixed thread of bottom collectively formed, the fixed cross beam（7）With extending expansion link（13）Connected by screw thread
Connect.
A kind of 4. construction protection net of foldable telescopic according to claim 1, it is characterised in that the foldable protection
Net（8）It is made up of folding device.
5. the construction protection net of a kind of foldable telescopic according to claim 4, it is characterised in that the folding device is
Vertical clapboard is folded by the left and right sides（29）, be opened in folding vertical clapboard（29）The control circular hole at both ends（30）, through control circular hole
（30）Fixing axle（31）, fixed fixing axle（31）Fixing nut（32）, be fixedly mounted on folding vertical clapboard（29）Between
Protective plate（33）Collectively form.
6. the construction protection net of a kind of foldable telescopic according to claim 5, it is characterised in that each fold is erected
Dividing plate（29）Top and next folding vertical clapboard（29）The control circular hole of bottom（30）Between pass through fixing axle（31）With it is solid
Determine nut（32）To be fixedly connected.
7. the construction protection net of a kind of foldable telescopic according to claim 1, it is characterised in that described to extend flexible horizontal stroke
Beam（9）Left and right ends top is with blocking expansion link（12）It is fixedly connected by tilting gearing.
8. the construction protection net of a kind of foldable telescopic according to claim 7, it is characterised in that the tilting gearing is
By being fixedly mounted on extension telescoping crossbeam（9）The inclination angle iron plate on top（34）, be fixedly mounted on inclination angle iron plate（34）Incline at both ends
Corner apertures（35）, through inclination angle hole（35）Inclination angle fixing axle（36）Collectively form.
9. the construction protection net of a kind of foldable telescopic according to claim 1, it is characterised in that described to block net（14）
It is a kind of cloth of special substance, can not only keep the sun off to keep off the rain, and greatly improve the working environment of workmen.
10. the construction protection net of a kind of foldable telescopic according to claim 1, it is characterised in that described extend stretches
Net（11）The left and right sides is small-sized expansion link（37）, centre be flexible spring（38）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142352.0A CN107882416A (en) | 2017-11-17 | 2017-11-17 | A kind of construction protection net of foldable telescopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142352.0A CN107882416A (en) | 2017-11-17 | 2017-11-17 | A kind of construction protection net of foldable telescopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882416A true CN107882416A (en) | 2018-04-06 |
Family
ID=61777675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711142352.0A Pending CN107882416A (en) | 2017-11-17 | 2017-11-17 | A kind of construction protection net of foldable telescopic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882416A (en) |
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| CN108999469A (en) * | 2018-09-19 | 2018-12-14 | 张学宇 | A kind of water conservancy construction enclosure device of good fixing effect |
| CN109215406A (en) * | 2018-11-05 | 2019-01-15 | 淄博职业学院 | A kind of intelligence adjustable type teaching of Chinese display device |
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| CN102242575A (en) * | 2011-04-22 | 2011-11-16 | 有利华建筑预制件有限公司 | Noise-reducing dust-reducing partition system for construction site as well as assembling and use method thereof |
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Application publication date: 20180406 |