CN110185314B - Building construction safety device - Google Patents
Building construction safety device Download PDFInfo
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- CN110185314B CN110185314B CN201910530698.0A CN201910530698A CN110185314B CN 110185314 B CN110185314 B CN 110185314B CN 201910530698 A CN201910530698 A CN 201910530698A CN 110185314 B CN110185314 B CN 110185314B
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- cross bar
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- upright
- water distribution
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- 238000009435 building construction Methods 0.000 title abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000009413 insulation Methods 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 25
- 239000000123 paper Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 239000011087 paperboard Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 241000274582 Pycnanthus angolensis Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
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- 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
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
-
- 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
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a building construction safety protection device, which comprises a plurality of vertical columns arranged transversely at equal intervals and a wall body assembled between two adjacent vertical columns; the left side surface and the right side surface of the upright column body are respectively provided with a slot, the lower end of each slot is closed, the upper end of each slot penetrates through the upright column body, a containing cavity is formed in the upright column body and between the two slots, and two lug parts for connection are processed at the opening of the containing cavity; this product can be used for the isolated protection of construction site, reduces the external influence of noise in the construction site simultaneously to raise dust during the construction can also be caught, dust volume around reducing, the simple structure of this product, low cost builds the convenience, is fit for using widely.
Description
Technical Field
The invention relates to a building construction safety protection device.
Background
During carrying out construction or road construction, need protect the periphery of construction point, the purpose of protection, equipment or material that firstly avoid in the construction site are stolen, and it is secondly prevent that non-staff from entering into to the construction site in, and the non-staff of surface is injured.
The protector among the prior art mainly adopts iron sheet or steel sheet to protect, and its function is comparatively single, and during carrying out the construction, noise pollution in the construction point is great, influences the driving safety on the road, and the produced dust of while construction period is also great.
Based on the problems, the building construction safety protection device capable of effectively reducing noise pollution and controlling dust pollution is designed.
Disclosure of Invention
The invention aims to provide a building construction safety protection device which can effectively reduce noise pollution and can control dust pollution.
In order to solve the problems, the invention adopts the following technical scheme:
a building construction safety protection device comprises a plurality of vertical columns which are transversely arranged at equal intervals and a wall body which is assembled between two adjacent vertical columns;
the left side surface and the right side surface of the upright column body are respectively provided with a slot, the lower end of each slot is closed, the upper end of each slot penetrates through the upright column body, a containing cavity is formed in the upright column body and between the two slots, and two lug parts for connection are processed at the opening of the containing cavity;
the wall body comprises a surface layer, a sound insulation layer and a capturing layer, the surface layer corresponds to a road, the capturing layer corresponds to a construction point, and the wall body is inserted into the slot;
the water distribution device is characterized in that a cross bar is arranged between every two adjacent upright columns, a screw is arranged between the cross bar and the lug, a water distribution groove is formed in the inner side of the cross bar, a plurality of water distribution holes are formed in the bottom of the water distribution groove, the water distribution holes vertically penetrate through the cross bar and are opposite to the capturing layer, a gap with the width of 0.15mm-0.25mm is formed after the two adjacent cross bars are combined, and a water flow part passing through the cross bar enters the accommodating cavity downwards after passing through the gap;
an overflow hole communicated with the cavity is formed in the inner side face of the slot, the overflow hole is opposite to the capturing layer, and the height of the overflow hole is 1/3-1/2 of the height of the upright post;
the bottom of the front end of the upright post body is provided with a right-angle edge strip, the right-angle edge strip and the upright post body are fixed through screws, and a ground bolt is arranged between the right-angle edge strip and the ground.
Preferably, the surface layer is made of aluminum alloy plates or iron sheet plates with the thickness of more than 0.2 mm.
Preferably, the acoustical layer is an acoustical blanket or a composite damping acoustical panel.
The sound-proof felt is a high-density coiled material with certain flexibility, which is made of rubber, high polymer materials and the like as main raw materials, is mainly used for matching with gypsum boards, is used for sound insulation of walls and suspended ceilings, and is also applied to sound insulation and damping vibration attenuation of pipelines and mechanical equipment.
When the soundproof felt is adopted as the soundproof layer, the soundproof felt is glued and fixed with the surface layer,
preferably, the catching layer is a corrugated board or a sponge board with holes uniformly distributed on the surface, and the holes are longitudinally arranged.
Corrugated board is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer (commonly called as "hole paper", "corrugated core paper", "corrugated paper core", "corrugated base paper") and one layer of paper board (also called as "box board paper" or "box paper board"). It has high mechanical strength and can resist collision and falling in the process of transportation. The actual performance of a corrugated box depends on three factors, the characteristics of the core paper and the board, and the structure of the box itself.
Corrugated container board has higher structural strength, when water attaches to corrugated container board, corrugated container board's surface is moist, when the air contact who carries the dust just moist corrugated container board, the dust can be caught by the hole on corrugated container board surface, play the effect that effectively reduces the dust, simultaneously because construction site is located outdoor, consequently the moisture content on corrugated container board surface is in the evaporation state all the time, consequently can also improve the outlying atmospheric humidity of building site, further play the effect of dust fall.
Preferably, the left end and the right end of the horizontal bar are both provided with arc-shaped openings, the arc-shaped openings vertically penetrate through the horizontal bar, and the arc-shaped openings are opposite to the containing cavity.
Preferably, a wall plate is assembled between two adjacent vertical columns, the upper end of the wall plate is bent to form a water baffle which is obliquely arranged forwards and downwards, the wall plate and the vertical columns are assembled through screws, a plurality of fans are arranged on the surface of the wall plate, and the air outlet direction of each fan is opposite to the capturing layer; above-mentioned structure mainly plays the effect of air guide, drives the circulation of air through the fan, lets the impact of the air initiative that has the dust in the construction site catch the board, realizes the dust purification in the air, reduces the air pollution of construction point position department.
Preferably, the wallboard with the contact position department on seizure layer is provided with the sealing strip of rubber material, through setting up the sealing strip, can separate the wallboard and catch the layer, avoids catching in the layer adnexed moisture content gets into the fan, the sealing strip also can play the sealed effect in upper portion simultaneously, when taking place with water, water can't fall from the top of wallboard, avoids the fan to intake.
This product is building the completion back, and the superficial layer in the outside mainly plays the guard action, and in the current period of road, tiny particulate matters such as the stone on the indiscriminate face can take place to launch after bearing rolling of wheel, and the particulate matter contact superficial layer that launches out absorbs this type of impact force through the superficial layer.
The sound insulation layer is arranged between the surface layer and the capturing layer at intervals and mainly used for isolating noise in a construction site, so that passing vehicles on the road outside the product can hear sound, the sound is whistle sound, the conditions of borrowing and adding plugs and the like are inevitable during the passing of the vehicles, the whistle is needed for indicating, when the noise is too high, the whistle sound is interfered, the driving danger is caused, and therefore the sound insulation layer is designed, and the noise in a construction site can be isolated.
The main function of the trapping layer is to absorb dust raised outside the construction site and to achieve the dust falling effect around the construction site.
This product is after the completion of building, selects a water pipe, docks water supply equipment with the one end of water pipe, and the other end inserts to the horizontal bar in, carries out the water distribution through the horizontal bar, conveniently catches and carries out the dust absorption after the layer absorbs the moisture.
The product is built in the following way:
firstly, determining an area needing protection, drawing a line along the outer edge of the area, wherein the line can be drawn by lime powder, determining the distance between two adjacent upright columns after drawing the line, fixing the upright columns through ground bolts after determining the distance, and sequentially inserting a surface layer, a sound insulation layer and a capturing layer between the two adjacent upright columns after fixing the upright columns.
The invention has the beneficial effects that: this product can be used for the isolated protection of construction site, reduces the external influence of noise in the construction site simultaneously to raise dust during the construction can also be caught, dust volume around reducing, the simple structure of this product, low cost builds the convenience, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a top view of the upright post and the wall in a fitted state;
FIG. 3 is a front view of the upright post and the wall in a fitted state;
FIG. 4 is a side view of the stand column;
FIG. 5 is a diagram of an implementation arrangement of the present invention;
FIG. 6 is a top view of the cross bar in the state of example 2;
FIG. 7 is a side view of the bar in the state of example 2;
FIG. 8 is a front view of the product in the state of embodiment 3;
fig. 9 is a side view of the wall plate.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1, the safety protection device for building construction includes a plurality of upright columns 1 arranged transversely at equal intervals, and a wall body 2 assembled between two adjacent upright columns 1;
the left side surface and the right side surface of the upright column body 1 are respectively provided with a slot 101, the lower end of each slot 101 is closed, the upper end of each slot 101 penetrates through the upright column body 1, a cavity 102 is formed in the upright column body 1 and between the two slots 101, and two lug parts 103 for connection are processed at the opening of the cavity 102;
the wall body 2 comprises a surface layer 201, a sound insulation layer 202 and a capturing layer 203, wherein the surface layer 201 corresponds to a road, the capturing layer 203 corresponds to a construction point, and the wall body 2 is inserted into the slot 101;
the vertical column is characterized in that a cross bar 3 is arranged between two adjacent vertical columns 1, a screw 301 is arranged between the cross bar 3 and the lug 103, a water distribution groove 302 is formed on the inner side of the cross bar 3, a plurality of water distribution holes 311 are arranged at the bottom of the water distribution groove 302, the water distribution holes 311 vertically penetrate through the cross bar 3, the water distribution holes 311 are opposite to the capturing layer 203, a gap with the width of 0.15mm is formed after the two adjacent cross bars 3 are combined, and a water flow part passing through the cross bar 3 enters the cavity 102 downwards after passing through the gap;
an overflow hole 121 communicated with the cavity 102 is formed in the inner side surface of the slot 101, the overflow hole 121 is opposite to the catching layer 203, and the overflow hole 121 is formed at 1/2 with the height of the upright post 1;
the right-angle edge strip 131 is assembled at the bottom of the front end of the upright column body 1, the right-angle edge strip 131 and the upright column body 1 are fixed through screws, the ground bolt 111 is assembled between the right-angle edge strip 131 and the ground, and the length of the ground bolt is 16 cm.
The surface layer 201 is made of an iron sheet with a thickness of 0.3 mm.
The acoustical layer 202 is an acoustical blanket.
The sound-proof felt is a high-density coiled material with certain flexibility, which is made of rubber, high polymer materials and the like as main raw materials, is mainly used for matching with gypsum boards, is used for sound insulation of walls and suspended ceilings, and is also applied to sound insulation and damping vibration attenuation of pipelines and mechanical equipment.
The catching layer 203 is a corrugated board with holes uniformly distributed on the surface, and the holes are longitudinally arranged.
Corrugated board is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer (commonly called as "hole paper", "corrugated core paper", "corrugated paper core", "corrugated base paper") and one layer of paper board (also called as "box board paper" or "box paper board"). It has high mechanical strength and can resist collision and falling in the process of transportation. The actual performance of a corrugated box depends on three factors, the characteristics of the core paper and the board, and the structure of the box itself.
Corrugated container board has higher structural strength, when water attaches to corrugated container board, corrugated container board's surface is moist, when the air contact who carries the dust just moist corrugated container board, the dust can be caught by the hole on corrugated container board surface, play the effect that effectively reduces the dust, simultaneously because construction site is located outdoor, consequently the moisture content on corrugated container board surface is in the evaporation state all the time, consequently can also improve the outlying atmospheric humidity of building site, further play the effect of dust fall.
Example 2
Referring to fig. 6 and 7, the left end and the right end of the cross bar 3 are both provided with arc-shaped openings 333, the arc-shaped openings 333 vertically penetrate through the cross bar 3, and the arc-shaped openings 333 are opposite to the accommodating cavity 102.
Example 3
Referring to fig. 8 and 9, in a preferred embodiment of the present invention, a wall plate 141 is mounted between two adjacent vertical columns 1, an upper end of the wall plate 141 is bent to form a water blocking plate 151 disposed obliquely forward and downward, the wall plate 141 and the vertical columns 1 are mounted by screws, a plurality of fans 161 are disposed on a plate surface of the wall plate 141, and an air outlet direction of each fan 161 is opposite to the capturing layer 203; above-mentioned structure mainly plays the effect of air guide, drives the circulation of air through the fan, lets the impact of the air initiative that has the dust in the construction site catch the board, realizes the dust purification in the air, reduces the air pollution of construction point position department.
Wallboard 141 with the contact position department of catching layer 203 is provided with rubber material's sealing strip 142, through setting up the sealing strip, can separate the wallboard and catch the layer, avoids catching in the adnexed moisture content entering to the fan on the layer, and the sealing strip also can play the sealed effect in upper portion simultaneously, and when taking place with water, water can't fall from the top of wallboard, avoids the fan to intake.
This product is building the completion back, and the superficial layer in the outside mainly plays the guard action, and in the current period of road, tiny particulate matters such as the stone on the indiscriminate face can take place to launch after bearing rolling of wheel, and the particulate matter contact superficial layer that launches out absorbs this type of impact force through the superficial layer.
The sound insulation layer is arranged between the surface layer and the capturing layer at intervals and mainly used for isolating noise in a construction site, so that passing vehicles on the road outside the product can hear sound, the sound is whistle sound, the conditions of borrowing and adding plugs and the like are inevitable during the passing of the vehicles, the whistle is needed for indicating, when the noise is too high, the whistle sound is interfered, the driving danger is caused, and therefore the sound insulation layer is designed, and the noise in a construction site can be isolated.
The main function of the trapping layer is to absorb dust raised outside the construction site and to achieve the dust falling effect around the construction site.
This product is after the completion of building, selects a water pipe, docks water supply equipment with the one end of water pipe, and the other end inserts to the horizontal bar in, carries out the water distribution through the horizontal bar, conveniently catches and carries out the dust absorption after the layer absorbs the moisture.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a construction safety device which characterized in that: the wall body comprises a plurality of upright columns which are transversely arranged at equal intervals and a wall body which is assembled between two adjacent upright columns;
the left side surface and the right side surface of the upright column body are respectively provided with a slot, the lower end of each slot is closed, the upper end of each slot penetrates through the upright column body, a containing cavity is formed in the upright column body and between the two slots, and two lug parts for connection are processed at the opening of the containing cavity;
the wall body comprises a surface layer, a sound insulation layer and a capturing layer, wherein the surface layer corresponds to a road, the capturing layer corresponds to a construction point, the wall body is inserted into the slot, the surface layer is made of an aluminum alloy plate or an iron sheet plate with the thickness larger than 0.2mm, the sound insulation layer is a sound insulation felt or a composite damping sound insulation plate, the capturing layer is a corrugated board or a sponge board with holes uniformly distributed on the surface, and the holes are longitudinally arranged;
the water distribution device is characterized in that a cross bar is assembled between two adjacent upright columns, screws are assembled between the cross bar and the lug parts, a water distribution groove is formed on the inner side of the cross bar, a plurality of water distribution holes are formed in the bottom position of the water distribution groove, the water distribution holes vertically penetrate through the cross bar and are opposite to the capturing layer, a gap with the width of 0.15-0.25 mm is formed after the two adjacent cross bars are combined, a water flow part passing through the cross bar passes through the gap and then enters the accommodating cavity downwards, arc-shaped openings are formed in the left end and the right end of the cross bar, the arc-shaped openings vertically penetrate through the cross bar, and the arc-shaped openings are opposite to the accommodating cavity;
an overflow hole communicated with the cavity is formed in the inner side face of the slot, the overflow hole is opposite to the capturing layer, and the height of the overflow hole is 1/3-1/2 of the height of the upright post;
the bottom of the front end of the upright post body is provided with a right-angle edge strip, the right-angle edge strip and the upright post body are fixed through screws, and a ground bolt is arranged between the right-angle edge strip and the ground.
2. The construction safety device of claim 1, wherein: be equipped with a wallboard between adjacent two the upright post body, the upper end bending back of wallboard forms the breakwater that the slope set up down to the front, the wallboard with screw assembly between the upright post body, be provided with a plurality of fans on the face of wallboard, the air-out direction of fan with it is relative to catch the layer, the wallboard with the contact position department of catching the layer is provided with the sealing strip of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530698.0A CN110185314B (en) | 2019-06-19 | 2019-06-19 | Building construction safety device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530698.0A CN110185314B (en) | 2019-06-19 | 2019-06-19 | Building construction safety device |
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| CN110185314A CN110185314A (en) | 2019-08-30 |
| CN110185314B true CN110185314B (en) | 2021-03-02 |
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| CN201910530698.0A Active CN110185314B (en) | 2019-06-19 | 2019-06-19 | Building construction safety device |
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| CN112211483B (en) * | 2020-10-12 | 2021-12-21 | 青岛东捷建设工程有限公司 | Assembled safety barrier for construction with supplementary dust fall function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030006090A1 (en) * | 2001-06-27 | 2003-01-09 | Reed John Douglas | Broadband noise-suppressing barrier |
| CN204386254U (en) * | 2014-12-16 | 2015-06-10 | 浙江水利水电学院 | A kind of green enclosing carrying photovoltaic tiles |
| CN207568316U (en) * | 2017-12-06 | 2018-07-03 | 闫风起 | A kind of Green construction dust-proofing screen |
| CN207974629U (en) * | 2018-03-21 | 2018-10-16 | 呼和浩特职业学院 | A kind of multi-use architecture enclosing |
| CN208372659U (en) * | 2018-05-01 | 2019-01-15 | 江西黄金埠万年青水泥有限责任公司 | A kind of plant area's cleaner |
| CN109537993A (en) * | 2018-12-03 | 2019-03-29 | 新沂海悦建设有限公司 | A kind of road construction sound insulation protective baffle plate |
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Effective date of registration: 20210205 Address after: 510000 room 701, 75 Hanxing Middle Road, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangdong Changxin Construction Co.,Ltd. Address before: 312500 No. nine drainage pit, Wai Wu, Wai Po Keng Village, Xinchang Town, Xinchang, Shaoxing, Zhejiang Applicant before: Hakan Machinery Parts Factory, Xinchang County |
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