CN113123234A - Umbrella-shaped protection device - Google Patents
Umbrella-shaped protection device Download PDFInfo
- Publication number
- CN113123234A CN113123234A CN201911408348.3A CN201911408348A CN113123234A CN 113123234 A CN113123234 A CN 113123234A CN 201911408348 A CN201911408348 A CN 201911408348A CN 113123234 A CN113123234 A CN 113123234A
- Authority
- CN
- China
- Prior art keywords
- pull rod
- frameworks
- umbrella
- column
- framework
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention discloses an umbrella-shaped protection device, which is arranged on the periphery of a stand column and comprises: the first ends of the frameworks are circumferentially distributed along the periphery of the independent columns, and the second ends of the frameworks radially extend from inside to outside; the protective net is arranged between the adjacent frameworks; the pull rod assembly is connected between the adjacent frameworks; the pull ropes at least comprise a first segment body connected between the second end of the framework and the column template on the outer wall of the independent column; when the second ends of the frameworks are unfolded in the direction away from the independent columns, the frameworks and the protective net form an umbrella-shaped structure, and when the pull ropes are pulled downwards, the second ends of the frameworks are folded upwards to be attached to the outer walls of the independent columns. The invention can be used repeatedly and is flexible in arrangement; the column template and the column template are installed in place at one time, and the field installation is convenient; the existing materials can be used for equipment transformation, the materials are simple to obtain, and the manufacturing cost is low; the safety is high.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to an umbrella-shaped protection device.
Background
For the independent column below the large bridge, the height of the independent column is usually higher, usually more than 8 meters, the personnel climb up along the module and have large safety risk when operating on the top surface of the template, and accidents are very easy to happen without taking protective measures. Common methods such as setting up console mode scaffold frame in the market at present are not suitable for the protection of independent post, and not only scaffold frame basis is intractable, still along with the support body increases, and required material increases a large amount of costs, and the module is often installed and removed moreover, influences setting up of protection platform, and the protective effect is unsatisfactory. .
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the umbrella-shaped protection device which can be used repeatedly, is flexible in arrangement, convenient to install and high in safety performance.
The technical scheme adopted by the invention for solving the technical problems is as follows: an umbrella-type protector is located the independent post periphery, includes:
the first ends of the frameworks are circumferentially distributed along the periphery of the independent columns, and the second ends of the frameworks radially extend from inside to outside;
the protective net is arranged between the adjacent frameworks;
the pull rod assembly is connected between the adjacent frameworks;
the pull ropes at least comprise a first segment body connected between the second end of the framework and the column template on the outer wall of the independent column;
when the second ends of the frameworks are unfolded in the direction away from the independent columns, the frameworks and the protective net form an umbrella-shaped structure, and when the pull ropes are pulled downwards, the second ends of the frameworks are folded upwards to be attached to the outer walls of the independent columns.
Furthermore, the inner connecting ring is sleeved on the outer side of the independent column and is connected with the column template on the outer wall of the independent column.
Furthermore, the pull rod assembly at least comprises a first pull rod connected with the frameworks and a second pull rod connected with the adjacent frameworks, and the first pull rod is movably connected with the second pull rod.
Furthermore, the pull rod assembly comprises a first connecting section connected with the framework, a first pull rod movably connected with the end part of the first connecting section, a second pull rod movably connected with the first pull rod, and a second connecting section movably connected with the second pull rod, and the second connecting section is connected with the adjacent framework.
Furthermore, a connecting ring is arranged at the end part of the first connecting section, and a hook part which can be movably connected with the connecting ring is arranged at the end part of the first pull rod; or the end part of the first connecting section is provided with a hook part, and the end part of the first pull rod is provided with a connecting ring.
Furthermore, the first section body penetrates through a mounting hole of the framework to form a knotting structure for preventing the first section body from being separated from the framework, a clamping ring is sleeved on the framework, the first connecting section forms a curling part sleeved on the framework, and the curling part is located between the clamping ring and the mounting hole.
Furthermore, the first end of the framework is connected with a lantern ring, and the lantern ring is sleeved on the inner connecting ring and movably connected with the inner connecting ring.
Furthermore, the protective net is provided with an upper hole and a lower hole.
Furthermore, a pulley device which can be matched with the pull rope is connected to the column template on the outer wall of the independent column.
Further, the framework is a hollow round steel pipe.
The invention designs a reverse umbrella-shaped protection scheme, which is a detachable and rotatable protection device manufactured by adopting steel pipes (frameworks), reinforcing steel bars, ropes (stay ropes) and safety nets (protective nets) which are commonly used in construction sites, wherein an opening hole is formed in a column template, an arc-shaped steel pipe (an inner connecting ring) is fixed on the opening hole of the column template by using iron wires to serve as an umbrella top, 7 long steel pipes (frameworks) are used as umbrella ribs, the umbrella ribs are welded into a circle through the reinforcing steel bars to be sleeved on the umbrella top, the lower ends of the umbrella ribs are upward, the lower ends of the umbrella ribs are connected in pairs through lantern rings or connecting rings (pull rod assemblies) made of the reinforcing steel bars, the ropes (the stay ropes) penetrate through the ends of the umbrella ribs and then penetrate through reinforcing steel bar hanging rings on the column template to be hung on the ground, the umbrella is formed by forming a left piece and a right piece and is spliced with the column template on the ground, the safety nets (the protective nets), when the column template is assembled, the lower ends of the left and right umbrellas are connected into a whole, and after a person falls to the ground, the ropes (pull ropes) are loosened to open the umbrellas, and then the ropes (pull ropes) are tied on the open holes of the column template to be fixed. When people climb up and down, the people pass through holes reserved on a safety net (a protective net) in advance.
The invention has the beneficial effects that: 1) the device is manufactured in a shaping mode, can be used repeatedly and is flexible in arrangement; 2) the column template and the column template are installed in place at one time, and the field installation is convenient; 3) the existing materials can be used for equipment transformation, the materials are simple to obtain, and the manufacturing cost is low; 4) personnel stand below and reach whole umbrella-type protector through the receive and release of control stay cord and pack up and open, and the security is very improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is a top view of the mating structure of the drawbar assembly, drawstring and backbone in accordance with the present invention.
Fig. 5 is a schematic view of the cooperating structure of the pull rod assembly and the pull rope according to the present invention.
FIG. 6 is a perspective view of the pull rod assembly, pull rope and frame of the present invention.
Fig. 7 is a schematic view of an assembly structure of the framework and the first connecting section.
Fig. 8 is a partial structural schematic view of the tie rod assembly of the present invention.
FIG. 9 is a schematic view of the mating structure of a portion of the pull rod assembly and pull cord of the present invention.
FIG. 10 is a schematic view of a portion of the mating structure of the frame and the inner link ring of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 to 10, an umbrella-shaped protection device is disposed at the periphery of a single-column 1, the single-column 1 may be a large column such as a pier of a large bridge, and in this embodiment, the single-column 1 is a cylindrical pier.
The umbrella-type protector establishes the interior connecting ring 6 in the independent post 1 outside including the cover, from interior connecting ring 6 along many skeletons 2 of radial outside extension, lays the protection network 3 between adjacent skeleton 2, connects the pull rod assembly 4 between adjacent skeleton 2, and one end is connected on skeleton 2, and one end extends to many stay cords 5 in the independent post 1 bottom after passing the post template 11 of independent post 1 outer wall.
Specifically, the inner connection ring 6 is connected to the column formwork 11 of the outer wall of the independent column 1, the column formwork 11 is a column formwork structure in the prior art, and may include a plurality of vertical formworks 111 extending in the height direction of the independent column 1 and a plurality of annular formworks 112 circumferentially arranged along the independent column 1, and the inner diameter of the inner connection ring 6 is equivalent to the outer diameter of the independent column 1.
In practical engineering application, the inner connecting ring 6 can be fixedly connected with the column template 11 by square steel, the connecting mode can adopt welding, the required position is accurate, the welding is firm, and the thick iron wire can also be fixedly connected. Specifically, the inner connecting ring 6 is made of a common square steel pipe, the bent square steel pipe is a semicircle with the diameter being the outer diameter of the column template 11, vertical joints are welded on the outer side of the square steel pipe, and 7 joints are welded at every 30 degrees.
The frame 2 comprises a first end 21 and a second end 22, wherein the first end 21 is uniformly arranged along the inner connecting ring 6, and the second end 22 is formed by radiating outwards along the radial direction from the first end 21. In the present embodiment, the framework 2 is a hollow circular steel tube, which may also have a slight arc shape.
The protection network 3 is connected between adjacent skeleton 2, makes for soft material, lays and uses the steel wire to fix after accomplishing, for the ease of maintenance, sets up the upper and lower manhole hole 31 that supplies personnel to pass on the protection network 3.
The tie rod assembly 4 is connected between the second ends 22 of the adjacent frames 2, and includes a first connecting section 43 connected near the second ends 22 of the frames 2, a connecting ring 431 disposed at an end of the first connecting section 43, a first tie rod 41 movably connected to the connecting ring 431 through a hook 411, a second tie rod 42 movably connected to the first tie rod 41, and a second connecting section 44 movably connected to the second tie rod 42, wherein the second connecting section 44 is connected to another adjacent frame 2.
The movable connection among the first connection section 43, the first pull rod 41, the second pull rod 42 and the second connection section 44 is realized through the hook 411 and the connection ring 431, and the positions of the hook and the connection ring can be interchanged, so that the hook 411 is hooked into the connection ring 431 to realize the movable connection.
Of course, in other embodiments, the number of the pull rods may include a plurality of pull rods, that is, not only the first pull rod 41 and the second pull rod 42, but also the above structure is designed to facilitate the unfolding and folding of the umbrella-shaped protection device, thereby forming a flexible connection and providing more flexibility in structure.
The first pull rod 41 and the second pull rod 42 are cylindrical rod-shaped structures; as shown in fig. 7 and 8, the middle portion of the first connecting section 43 is wound to form a curled portion 431 which can be sleeved on the outer wall of the framework 2, two sides of the curled portion 431 extend to form a cylindrical rod-shaped structure, and the end portions form a connecting ring 431. Of course, the attachment ring 431 structure could be replaced with a hook portion.
In order to avoid the curling part 431 of the first connecting section 43 sliding along the framework 2, a snap ring 24 is sleeved on the framework 2, the snap ring 24 is a hollow circular ring structure, and the inner diameter of the snap ring is matched with the outer diameter of the framework 2.
The plurality of pull ropes 5 are the same as the skeleton 2 in number, and each pull rope 5 comprises a first segment body 51 with one end connected with the second end 22 of the skeleton 2 and the other end penetrating through the column template 11 and a second segment body 52 which is integrally arranged with the first segment body 51 and the end part of which extends to the lower part or even the bottom of the independent column 1 along the height direction of the independent column 1. That is to say, one end of the pull rope 5 is fixedly connected with the second end 22 of the framework 2, and the other end of the pull rope 5 naturally droops to the bottom along the height direction of the independent column 1 after passing through the opening 113 on the column template 11 and above the inner connecting ring 6, and the pull rope 5 is respectively bound and fixed on the column template 11, so that the pull rope is convenient to install.
The second end 22 of the framework 2 is provided with a mounting hole 23 penetrating through the radial direction, and the end part of the segment body 51 of the pull rope 5 penetrates through the mounting hole 23 to form a knotting structure 511, so that the segment body 51 and the framework 2 are fixedly connected, and the frame 2 is prevented from slipping off.
Therefore, during assembly, the snap ring 24 is sleeved on the framework 2, the curled part 432 is sleeved on the framework 2, and finally the pull rope 5 penetrates through the mounting hole 23 to form the knotting structure 511, so that the curled part 432 is positioned between the snap ring 24 and the mounting hole 23, the curled part 432 is prevented from sliding downwards, and a relatively stable assembly structure is formed.
In order to facilitate the assembly and connection of the framework 2 and the inner connecting ring 6, a lantern ring 211 is fixedly connected to the first end 21 of the framework 2, the lantern ring 211 is sleeved on the inner connecting ring 6 to form a hinge in the vertical direction, and the framework 2 is connected with the inner connecting ring 6 in a rotating mode.
In order to prevent the lantern rings 211 from sliding randomly along the circumferential direction of the inner connecting ring 6, the inner connecting ring 6 is sleeved with clamping rings 61, the clamping rings 61 are arranged between the adjacent lantern rings 211, and the outer diameter of each clamping ring 61 is larger than the inner diameter of each lantern ring 211.
The working process of the invention is as follows: the end parts of the second 52 segments of the pull ropes 5 fixed on the column template 11 are loosened, the second ends 22 of the plurality of frameworks 2 rotate downwards by taking the joint of the first end 21 and the inner connecting ring 6 as a fulcrum under the action of self gravity, so that the second ends 22 are unfolded in the direction away from the independent column 1, the plurality of frameworks 2 and the protective net 3 form an umbrella-shaped structure, and then the pull ropes 5 and the column template 11 are fixed to form limiting;
when the umbrella-shaped protection device needs to be furled, the end parts of the segment bodies 52 of the pull ropes 5 are pulled downwards at the same time, and the second ends 22 of the frameworks 2 rotate upwards by taking the joint of the first end 21 and the inner connecting ring 6 as a fulcrum, so that the second ends 22 are close to the independent columns 1, namely, the second ends 22 are furled upwards to be attached to the column templates 11 on the outer walls of the independent columns 1; in order to pull the pull rope 5 more laborsavingly, the column template 11 is connected with a pulley device, the pull rope 5 is matched with the simple pulley device, and the pulley device can be realized in the prior art and is not described any more.
The specific assembly process is as follows: the umbrella-shaped protective net can be divided into a left piece and a right piece to be connected, the left piece and the right piece of the protective net rack are fixed on the column template 11, the respective positioning heights are required to be consistent, the error is within 10mm, the left piece and the right piece are connected when the column template 11 is assembled, the main connecting parts are two ends of the framework 2, and the connecting mode can be bolt connection or steel cable binding connection.
Hoisting the template: because the column template is divided into a left half and a right half when assembled on the ground, the umbrella-shaped protection device is also divided into a left half and a right half when assembled on the ground along with the column template and is firstly fixed on the column template without opening, and when the column template is hoisted in place for installation, the left half and the right half of the umbrella-shaped protection device are also integrated. Hoisting the left half piece of the column template 11 together with the protective net rack fixed thereon to a designated position and height by using hoisting equipment for primary fixation, then hoisting the right half piece of the template, after the left and right templates are assembled and fixed, binding and fastening connecting points between the left and right protective net racks tightly attached to the template system at an upper, middle and lower three points by using ropes so as to prevent the left and right protective net racks from being disconnected from the connecting points when the umbrella is opened;
and (3) mounting a protective net rack: after the column template 11 is fully positioned, the umbrella-shaped protective net rack is opened, and a constructor stands on the ground to slowly release a pull rope at the control end; by loosening the pull rope, the pull rope is loosened under the action of the pulley device at the upper part of the column template 11, the umbrella-shaped net rack is slowly opened, after the umbrella-shaped protective umbrella is opened to a certain degree, the end of the pull rope is tied in the open hole of the column template 11, and at the moment, the net rack can normally start working;
the net rack is retracted: before the column formwork 11 is dismantled, the umbrella-shaped protection device net rack needs to be retracted. When the net frame is retracted, the pull rope tied in the opening of the column template 11 is firstly untied, then the umbrella-shaped net frame is retracted and tightly attached to the column template 11 by pulling up the pull rope, and finally the pull rope is fixed on the column template 11. The column template 11 can be dismantled after the net rack is folded;
net rack turnover: after the column formwork 11 is dismantled, the net rack of the umbrella-shaped protection device is used in circulation along with the column formwork 11.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the invention are intended to be covered by the following claims.
Claims (10)
1. The utility model provides an umbrella-type protector, locates independent post (1) periphery, its characterized in that includes:
the first ends (21) of the frameworks (2) are circumferentially distributed along the periphery of the independent column (1), and the second ends (22) of the frameworks (2) radially extend from inside to outside;
the protective net (3) is arranged between the adjacent frameworks (2);
the pull rod assembly (4) is connected between the adjacent frameworks (2);
the pull ropes (5) at least comprise first segment bodies (51) connected between the second end (22) of the framework (2) and the column template (11) of the outer wall of the independent column (1);
when the second ends (22) of the frameworks (2) are unfolded in the direction away from the independent columns (1), the frameworks (2) and the protective net (3) form an umbrella-shaped structure, and when the pull ropes (5) are pulled downwards, the second ends (22) of the frameworks (2) are folded upwards to be attached to the outer walls of the independent columns (1).
2. The umbrella guard of claim 1, wherein: the inner connecting ring (6) is sleeved on the outer side of the independent column (1), and the inner connecting ring (6) is connected with the column template (11) on the outer wall of the independent column (1).
3. The umbrella guard of claim 1, wherein: the pull rod assembly (4) at least comprises a first pull rod (41) connected with the framework (2) and a second pull rod (42) connected with the adjacent framework, and the first pull rod (41) is movably connected with the second pull rod (42).
4. The umbrella guard of claim 3, wherein: the pull rod assembly (4) comprises a first connecting section (43) connected with the framework (2), a first pull rod (41) movably connected with the end part of the first connecting section (43), a second pull rod (42) movably connected with the first pull rod (41), and a second connecting section (44) movably connected with the second pull rod (42), wherein the second connecting section (44) is connected with an adjacent framework.
5. The umbrella guard of claim 4, wherein: a connecting ring (431) is arranged at the end part of the first connecting section (43), and a hook part (411) which can be movably connected with the connecting ring (431) is arranged at the end part of the first pull rod (41); or the end part of the first connecting section is provided with a hook part, and the end part of the first pull rod is provided with a connecting ring.
6. The umbrella guard of claim 4, wherein: the utility model discloses a section body (51) is formed after passing mounting hole (23) of skeleton (2) and is prevented its knot structure (511) that break away from, the cover is equipped with snap ring (24) on skeleton (2), first linkage segment (43) form the portion of curling (432) of cover on skeleton (2), and this portion of curling (432) are located between snap ring (24) and mounting hole (23).
7. The umbrella guard of claim 2, wherein: the first end (21) of the framework (2) is connected with a lantern ring (211), and the lantern ring (211) is sleeved on the inner connecting ring (6) and movably connected with the inner connecting ring.
8. The umbrella guard of claim 1, wherein: the protective net (3) is provided with upper and lower man holes (31).
9. The umbrella guard of claim 1, wherein: and a column template (11) on the outer wall of the independent column (1) is connected with a pulley device which can be matched with the pull rope (5).
10. The umbrella guard of claim 1, wherein: the framework (2) is a hollow round steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408348.3A CN113123234B (en) | 2019-12-31 | 2019-12-31 | Umbrella-shaped protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408348.3A CN113123234B (en) | 2019-12-31 | 2019-12-31 | Umbrella-shaped protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113123234A true CN113123234A (en) | 2021-07-16 |
| CN113123234B CN113123234B (en) | 2022-08-26 |
Family
ID=76770243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408348.3A Active CN113123234B (en) | 2019-12-31 | 2019-12-31 | Umbrella-shaped protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113123234B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005068801A (en) * | 2003-08-25 | 2005-03-17 | Takiron Co Ltd | Temporary panel |
| CN101307607A (en) * | 2008-07-11 | 2008-11-19 | 同济大学 | Sea floor architecture positioning apparatus and method |
| CN202767546U (en) * | 2012-06-29 | 2013-03-06 | 姚磊 | External protective rack |
| CN203729602U (en) * | 2013-11-08 | 2014-07-23 | 中铁大桥局集团第四工程有限公司 | Construction protecting umbrella |
| CN203961326U (en) * | 2014-06-19 | 2014-11-26 | 中建七局安装工程有限公司 | Superaltitude outrigger platform Flexible Safety protector |
| CN206256704U (en) * | 2016-10-26 | 2017-06-16 | 国家电网公司 | A kind of umbrella shape high-altitude protection safety net |
-
2019
- 2019-12-31 CN CN201911408348.3A patent/CN113123234B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005068801A (en) * | 2003-08-25 | 2005-03-17 | Takiron Co Ltd | Temporary panel |
| CN101307607A (en) * | 2008-07-11 | 2008-11-19 | 同济大学 | Sea floor architecture positioning apparatus and method |
| CN202767546U (en) * | 2012-06-29 | 2013-03-06 | 姚磊 | External protective rack |
| CN203729602U (en) * | 2013-11-08 | 2014-07-23 | 中铁大桥局集团第四工程有限公司 | Construction protecting umbrella |
| CN203961326U (en) * | 2014-06-19 | 2014-11-26 | 中建七局安装工程有限公司 | Superaltitude outrigger platform Flexible Safety protector |
| CN206256704U (en) * | 2016-10-26 | 2017-06-16 | 国家电网公司 | A kind of umbrella shape high-altitude protection safety net |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113123234B (en) | 2022-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2006224584B2 (en) | Working platform | |
| JP6304569B2 (en) | Airfield for drone and its assembly method | |
| JP4102372B2 (en) | Attaching the protective net to the steel tower | |
| CN209844409U (en) | Hoisting frame for power transmission line | |
| KR20180050154A (en) | Apparatus for installing fall protector net, and method thereof | |
| US20170254103A1 (en) | Containment Shroud System | |
| CN104051979A (en) | Joint type 66 kV tubular busbar electrified disconnection and connection insulation device and method | |
| CN113123234B (en) | Umbrella-shaped protection device | |
| CN212052337U (en) | Umbrella-shaped protection device | |
| CN214739768U (en) | Portable scaffold frame of interior decoration | |
| CN215368616U (en) | Hanging ladder cage for shear steel plate wall | |
| CN209724200U (en) | A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic | |
| JP2948433B2 (en) | Dismantling method of steel freestanding chimney | |
| JP7443279B2 (en) | A roof frame for curing external framework scaffolding and a rain protection device for external framework scaffolding using a roof frame for curing external framework scaffolding. | |
| WO2019220080A1 (en) | An extendable scaffolding safety barrier and method | |
| CN211038484U (en) | A climb assistor for electronic contact net framework is built | |
| CN215594809U (en) | Scaffold operation platform | |
| CN216406300U (en) | Foldable rain shelter | |
| RU2225346C2 (en) | Tower crane and method of its mounting | |
| CN214074745U (en) | Anti-falling safety flat net convenient to fix | |
| CN218912340U (en) | Building construction protector | |
| CN217734868U (en) | Flexible convertible spraying dust fall protection canopy of encorbelmenting | |
| CN202370290U (en) | Temporary safety rail | |
| CN113931427A (en) | Antenna bracket maintenance platform based on shared iron tower and use method thereof | |
| CN207526152U (en) | Plain net device is chosen outside a kind of |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220111 Address after: 324300 Building 2, Yiyun e-commerce Pioneer Park, Huabu Town, Kaihua County, Quzhou City, Zhejiang Province Applicant after: Lingyun Construction Group Co.,Ltd. Address before: 325028 3rd floor, 47 Shanqian street, Wenzhou City, Zhejiang Province Applicant before: KINGBIRD CONSTRUCTION GROUP CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |