CN108360830B - On-site construction protector - Google Patents
On-site construction protector Download PDFInfo
- Publication number
- CN108360830B CN108360830B CN201810361400.3A CN201810361400A CN108360830B CN 108360830 B CN108360830 B CN 108360830B CN 201810361400 A CN201810361400 A CN 201810361400A CN 108360830 B CN108360830 B CN 108360830B
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- rod
- mounting
- cross bar
- cross
- mounting hole
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000001012 protector Effects 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a field construction protection device which comprises a support frame, a steel wire frame and a protection net, wherein the support frame is arranged at the bottom of the steel wire frame; the supporting frame comprises bottom rods, telescopic rods, positioning assemblies, connectors, a group of cross rods of the cross rods and the limiting rods, and two groups of bottom rods and telescopic rods; and a connecting groove for installing a connecting pipe is formed in the tops of the first cross rod and the second cross rod. The invention has the advantages of simple erection and high safety protection performance, can realize the purpose of erection without depending on a building in site construction, is convenient and quick to disassemble and install, and improves the construction efficiency of site construction.
Description
Technical Field
The invention relates to the field of site construction, in particular to a site construction protection device.
Background
In existing field construction, especially in places where people flow, such as: mall, office building, teaching building, railway station, waiting room etc. when decorating, fitment or rebuilding to the outer wall, protector adopts steel construction, scaffold frame and protection network mode that combines together generally, must set up under the prerequisite of relying on the building, and it is poor to set up structural flexibility, and it is complicated to erect the installation, erect the difficulty to, current protector intensity is low, only protects through the protection network mode, has certain potential safety hazard, consequently need design one section and set up under the prerequisite of not relying on the building, erect simple, the site operation protector that the security protection performance is high.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows:
the field construction protection device comprises a support frame, a steel wire frame and a protection net, wherein the support frame is arranged at the bottom of the steel wire frame, and the protection net is arranged at the top of the steel wire frame; the support frame comprises a bottom rod, a telescopic rod, a positioning assembly, a connector, a cross rod and a limiting rod, wherein the bottom rod is sequentially provided with mounting holes for mounting the positioning assembly from top to bottom, the mounting holes penetrate through the bottom rod, the limiting rod is mounted inside the bottom rod, the top of the limiting rod is provided with a limiting rod stop block, the bottom of the bottom rod is provided with a base structure, the bottom of the base structure is provided with a nut mounting groove for mounting a slotted nut, and the slotted nut is in threaded connection with the bottom of the limiting rod; the telescopic rod is connected with the bottom rod through two groups of positioning components, a limiting sleeve for installing a limiting rod is arranged in the telescopic rod near the bottom, a limiting rod stop block extends to the top of the limiting sleeve, and a connecting disc connected with the connector is arranged at the top of the telescopic rod; the clamping block is provided with a wedge-shaped connecting part and a mounting part, the wedge-shaped connecting part of the clamping block is mounted in the mounting hole, the mounting part of the clamping block is mounted outside the mounting hole, the mounting part of the clamping block is also provided with a threaded mounting hole for mounting the pull rod, the mounting shell is mounted outside the mounting hole of the bottom rod through the screw, the mounting shell comprises a pull rod mounting boss, a pull rod mounting hole and a screw mounting hole for mounting the screw, the pull rod penetrates through the pull rod mounting hole to be in threaded connection with the mounting hole of the mounting part of the clamping block, and the spring is mounted inside the mounting shell and on the pull rod; the cross bars comprise a first cross bar and a second cross bar, one end of the first cross bar is connected with the connector through a bolt, the other end of the first cross bar is connected with one end of the second cross bar through a bolt, the other end of the second cross bar is connected with the connector through a bolt, and one group of cross bars, two groups of bottom bars and telescopic bars form a support frame; and a connecting groove for installing a connecting pipe is formed in the tops of the first cross rod and the second cross rod.
Preferably, the steel wire frame comprises connecting pipes and a steel wire net, and the connecting pipes are connected through the steel wire net.
Preferably, the connecting groove is of a semicircular structure, the diameter of the connecting groove is larger than that of the connecting pipe, an annular boss structure is arranged on the outer circumference of the connecting part of the connecting pipe and the connecting groove, and an annular groove structure matched and connected with the annular boss structure is arranged on the inner wall of the connecting groove.
Preferably, the clamping block mounting part is provided with a ring groove-shaped groove structure at one end connected with the spring, a threaded mounting hole for mounting a pull rod is arranged at the center of the ring groove-shaped groove structure, the other end of the spring is contacted with the inside of the mounting shell, the pull rod is connected with the clamping block mounting part in a threaded manner, the spring is mounted on the pull rod, and two ends of the spring are respectively contacted with the clamping block and the mounting shell.
Preferably, the clamping block is of a wedge-shaped structure with a wider upper part and a narrower lower part.
Preferably, the cross bars comprise a first cross bar and a second cross bar, but are not limited to the first cross bar and the second cross bar, and when the width of the support frame is increased, the first cross bar and the second cross bar are connected with an nth cross bar through bolts, and n is more than or equal to 1.
Preferably, the end part of the connector, which is connected with the first cross rod or the second cross rod, is of a U-shaped connecting structure, the first cross rod or the second cross rod is arranged in the U-shaped connecting structure through a bolt, and the first cross rod or the second cross rod can rotate relative to the bolt.
The invention has the advantages of simple erection and high safety protection performance, can realize the purpose of erection without depending on a building in site construction, is convenient and quick to disassemble and install, and improves the construction efficiency of site construction.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a general combined structure provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a general exploded structure provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a steel wire frame according to an embodiment of the present invention;
fig. 4 is a schematic view of a first structure of a support frame according to an embodiment of the present invention;
fig. 5 is a schematic view of a second structure of a support frame according to an embodiment of the present invention;
fig. 6 is a schematic view of a third structure of a support frame according to an embodiment of the present invention;
fig. 7 is a schematic view of a fourth structure of a supporting frame according to an embodiment of the present invention;
fig. 8 is a schematic view of a fifth structure of a supporting frame according to an embodiment of the present invention;
fig. 9 is a schematic view of a sixth structure of a support frame according to an embodiment of the present invention;
FIG. 10 is a schematic view of a first construction of a telescopic rod according to an embodiment of the present invention;
FIG. 11 is a schematic view of a second construction of a telescopic rod according to an embodiment of the present invention;
FIG. 12 is a schematic view of a partially enlarged structure at A in FIG. 5;
FIG. 13 is a schematic view of a partially enlarged structure at B in FIG. 7;
in the figure: 100. the device comprises a support frame, 110, a bottom rod, 111, a mounting hole, 112, a nut mounting groove, 120, a telescopic rod, 121, a connecting disc, 122, a limit sleeve, 130, a positioning assembly, 131, a clamping block, 132, a spring, 133, a mounting shell, 133a, a pull rod mounting boss, 133b, a pull rod mounting hole, 133c, a screw mounting hole, 134, a pull rod, 135, a screw, 140, a connector, 150, a bolt, 160, a cross rod, 161, a first cross rod, 162, a second cross rod, 163, a connecting groove, 170, a limit rod, 171, a limit rod stop, 180, a slotted nut, 200, a steel wire frame, 210, a connecting tube, 220, a steel wire net and 300, a protective net.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It is to be understood that these examples are illustrative of the invention and are not intended to limit the scope of the invention. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
FIG. 1 is a schematic view of a general combined structure provided by an embodiment of the present invention; FIG. 2 is a schematic diagram of a general exploded structure provided by an embodiment of the present invention; FIG. 3 is a schematic view of a steel wire frame according to an embodiment of the present invention; fig. 4 is a schematic view of a first structure of a support frame according to an embodiment of the present invention; fig. 5 is a schematic view of a second structure of a support frame according to an embodiment of the present invention; fig. 6 is a schematic view of a third structure of a support frame according to an embodiment of the present invention; fig. 7 is a schematic view of a fourth structure of a supporting frame according to an embodiment of the present invention; fig. 8 is a schematic view of a fifth structure of a supporting frame according to an embodiment of the present invention; fig. 9 is a schematic view of a sixth structure of a support frame according to an embodiment of the present invention; FIG. 10 is a schematic view of a first construction of a telescopic rod according to an embodiment of the present invention; FIG. 11 is a schematic view of a second construction of a telescopic rod according to an embodiment of the present invention; FIG. 12 is a schematic view of a partially enlarged structure at A in FIG. 5; fig. 13 is a partially enlarged schematic view of the structure at B in fig. 7.
In one embodiment, a field construction protection device is provided, which comprises a support frame 100, a steel wire frame 200 and a protection net 300, wherein the support frame 100 is installed at the bottom of the steel wire frame 200, and the protection net 300 is installed at the top of the steel wire frame 200; the supporting frame 100 comprises a bottom rod 110, a telescopic rod 120, a positioning assembly 130, a connector 140, a cross rod 160 and a limiting rod 170, wherein the bottom rod 110 is sequentially provided with a mounting hole 111 for mounting the positioning assembly 130 from top to bottom, the mounting hole 111 penetrates through the bottom rod 110, the limiting rod 170 is mounted inside the bottom rod 110, the top of the limiting rod 170 is provided with a limiting rod stop block 171, the bottom of the bottom rod 110 is provided with a base structure, the bottom of the base structure is provided with a nut mounting groove 112 for mounting a slotted nut 180, and the slotted nut 180 is in threaded connection with the bottom of the limiting rod 170; the telescopic rod 120 is connected with the bottom rod 110 through two groups of positioning components 130, a limiting sleeve 122 for installing a limiting rod 170 is arranged in the telescopic rod 120 near the bottom, a limiting rod stop block 171 extends to the top of the limiting sleeve 122, and a connecting disc 121 connected with the connecting head 140 is arranged at the top of the telescopic rod 120; the positioning assembly 130 comprises a clamping block 131, a spring 132, a mounting shell 133, a pull rod 134 and a screw 135, wherein the clamping block 131 is provided with a wedge-shaped connecting part and a mounting part, the wedge-shaped connecting part of the clamping block 131 is mounted in the mounting hole 111, the mounting part of the clamping block 131 is mounted outside the mounting hole 111, the mounting part of the clamping block 131 is also provided with a threaded mounting hole for mounting the pull rod 134, the mounting shell 133 is mounted outside the mounting hole 111 of the bottom rod 110 through the screw 135, the mounting shell 133 comprises a pull rod mounting boss 133a, a pull rod mounting hole 133b and a screw mounting hole 133c for mounting the screw 135, the pull rod 134 passes through the pull rod mounting hole 133b and is in threaded connection with the mounting hole of the mounting part of the clamping block 131, and the spring 132 is mounted inside the mounting shell 133 and on the pull rod 134; the cross bar 160 comprises a first cross bar 161 and a second cross bar 162, one end of the first cross bar 161 is connected with the connector 140 through a bolt 150, the other end of the first cross bar 161 is connected with one end of the second cross bar 162 through a bolt 150, the other end of the second cross bar 162 is connected with the connector 140 through a bolt 150, and one group of cross bars 160, two groups of bottom bars 110 and telescopic bars 120 form the support frame 100; the top of the first and second cross bars 161 and 162 is provided with a connection groove 163 for installing the connection pipe 210.
Preferably, the steel wire frame 200 includes a connection pipe 210 and a steel wire mesh 220, and the connection pipes 210 are connected through the steel wire mesh 220, so that the overall safety protection performance of the protection device is improved.
Preferably, the connecting groove 163 is in a semicircular structure, the diameter of the connecting groove 163 is larger than that of the connecting pipe 210, an annular boss structure is arranged on the outer circumference of the connecting part between the connecting pipe 210 and the connecting groove 163, an annular groove structure matched and connected with the annular boss structure is arranged on the inner wall of the connecting groove 163, and the annular boss structure and the annular groove structure can improve the connection stability of the connecting part between the connecting pipe 210 and the connecting groove 163 and prevent abrasion caused by mutual friction of the connecting part between the connecting pipe 210 and the connecting groove 163.
Preferably, one end of the mounting portion of the clamping block 131, which is connected to the spring 132, is provided with a groove-shaped groove structure, the center of the groove-shaped groove structure is provided with a threaded mounting hole for mounting the pull rod 134, the other end of the spring 132 contacts with the inside of the mounting shell 133, the pull rod 134 is in threaded connection with the mounting portion of the clamping block 131, the spring 132 is mounted on the pull rod 134, and since the two ends of the spring 132 contact with the clamping block 131 and the mounting shell 133 respectively, the clamping block 131 and the mounting shell 133 are supported, the mounting shell 133 is fixedly connected with the bottom rod 110, and therefore, under the acting force of the spring 132, the clamping block 131 is supported, and the clamping block 131 extends into the mounting hole 111, so that the clamping block 131 can limit, support and fix the telescopic rod 120.
Preferably, the clamping block 131 has a wedge structure with a wider upper part and a narrower lower part, so that the bottom of the telescopic rod 120 can be limited.
Preferably, the cross bar 160 includes a first cross bar 161 and a second cross bar 162, but is not limited to the first cross bar 161 and the second cross bar 162, when the width of the support frame 100 is increased, the first cross bar 161 and the second cross bar 162 are connected with the nth cross bar through the bolts 150, n is greater than or equal to 1, so that different space uses can be satisfied, the use range of the support frame 100 is not limited, and the erection is simple and flexible.
Preferably, the end portion of the connector 140 connected to the first cross bar 161 or the second cross bar 162 is a U-shaped connection structure, the first cross bar 161 or the second cross bar 162 is installed in the U-shaped connection structure through the bolt 150, and the first cross bar 161 or the second cross bar 162 can rotate relative to the bolt 150, so that the whole protective device is simply and flexibly erected.
In the specific working process, firstly, the limit rod 170 is installed inside the bottom rod 110 through the slotted nut 180, and the limit rod stop 171 at the top of the limit rod 170 extends to the top of the limit sleeve 122, so that the telescopic rod 120 can be prevented from tripping from the bottom rod 110, the connection stability between the telescopic rod 120 and the bottom rod 110 is increased, and the erection is realized on the premise of not depending on a building;
secondly, after the height required to be set up is measured, the mounting holes 111 with relative heights are determined to be used, the bottoms of the telescopic rods 120 are limited through the two groups of positioning components 130, when the pull rods 134 push the clamping blocks 131 inwards, the two groups of clamping blocks 131 form a space structure with a smaller distance in the mounting holes 111 of the bottom rods 110, the bottoms of the telescopic rods 120 are clamped at the tops of the two groups of clamping blocks 131, the limiting purpose is achieved, when the pull rods 134 pull the clamping blocks 131 outwards, the two groups of clamping blocks 131 are respectively pulled out from the mounting holes 111, the bottoms of the telescopic rods 120 slide into the bottom rods 110 under the condition of no blocking, and the telescopic rods 120 are accommodated inside the bottom rods 110, so that the telescopic rods have the advantages of convenience in disassembly and setting up;
finally, after the cross bar 160 is erected, the connecting pipe 210 is installed in the connecting groove 163, the connecting pipe 210 and the steel wire mesh 220 form the steel wire frame 200 with high protection safety performance, the danger caused by falling of high-altitude heavy objects is prevented, the protective net 300 is installed at the top of the steel wire frame 200, and the danger caused by falling of building broken objects such as sand particles is prevented.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. The field construction protection device comprises a support frame, a steel wire frame and a protection net, wherein the support frame is arranged at the bottom of the steel wire frame, and the protection net is arranged at the top of the steel wire frame; the telescopic rod is connected with the bottom rod through two groups of positioning components, a limiting sleeve for installing a limiting rod is arranged in the telescopic rod near the bottom, a limiting rod stop block extends to the top of the limiting sleeve, and a connecting disc connected with the connector is arranged at the top of the telescopic rod; the clamping block is provided with a wedge-shaped connecting part and a mounting part, the wedge-shaped connecting part of the clamping block is mounted in the mounting hole, the mounting part of the clamping block is mounted outside the mounting hole, the mounting part of the clamping block is also provided with a threaded mounting hole for mounting the pull rod, the mounting shell is mounted outside the mounting hole of the bottom rod through the screw, the mounting shell comprises a pull rod mounting boss, a pull rod mounting hole and a screw mounting hole for mounting the screw, the pull rod penetrates through the pull rod mounting hole to be in threaded connection with the mounting hole of the mounting part of the clamping block, and the spring is mounted inside the mounting shell and on the pull rod; the cross bars comprise a first cross bar and a second cross bar, one end of the first cross bar is connected with the connector through a bolt, the other end of the first cross bar is connected with one end of the second cross bar through a bolt, the other end of the second cross bar is connected with the connector through a bolt, and one group of cross bars, two groups of bottom bars and telescopic bars form a support frame; the tops of the first cross rod and the second cross rod are provided with connecting grooves for installing connecting pipes; the end part of the connector, which is connected with the first cross rod or the second cross rod, is of a U-shaped connecting structure, the first cross rod or the second cross rod is arranged in the U-shaped connecting structure through a bolt, and the first cross rod or the second cross rod can rotate relative to the bolt;
the steel wire frame comprises connecting pipes and steel wire meshes, and the connecting pipes are connected through the steel wire meshes; the connecting groove is of a semicircular structure, the diameter size of the connecting groove is larger than that of the connecting pipe, an annular boss structure is arranged on the outer circumference of the connecting part of the connecting pipe and the connecting groove, and an annular groove structure matched and connected with the annular boss structure is arranged on the inner wall of the connecting groove.
2. The field construction protecting device according to claim 1, wherein one end of the fixture block mounting part connected with the spring is provided with a ring groove-shaped groove structure, a thread mounting hole for mounting a pull rod is arranged at the center of the ring groove structure, the other end of the spring is contacted with the inside of the mounting shell, the pull rod is connected with the fixture block mounting part in a thread manner, the spring is mounted on the pull rod, and two ends of the spring are contacted with the fixture block and the mounting shell respectively.
3. The field construction protector of claim 1, wherein said block has a wedge-shaped structure with a wider upper portion and a narrower lower portion.
4. The field construction protective device according to claim 1, wherein the cross bars comprise a first cross bar and a second cross bar, but are not limited to the first cross bar and the second cross bar, and when the width of the support frame is increased, the first cross bar and the second cross bar are connected with an nth cross bar through bolts, wherein n is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361400.3A CN108360830B (en) | 2018-04-20 | 2018-04-20 | On-site construction protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361400.3A CN108360830B (en) | 2018-04-20 | 2018-04-20 | On-site construction protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360830A CN108360830A (en) | 2018-08-03 |
| CN108360830B true CN108360830B (en) | 2024-01-16 |
Family
ID=63009109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361400.3A Active CN108360830B (en) | 2018-04-20 | 2018-04-20 | On-site construction protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360830B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637355A (en) * | 2020-05-29 | 2020-09-08 | 南京亚页防护设备制造有限公司 | Protective equipment shielding cover convenient to replace |
| CN212958022U (en) * | 2020-07-29 | 2021-04-13 | 苏州云联东控信息科技有限公司 | Protection device of building materials equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4738335A (en) * | 1987-07-06 | 1988-04-19 | Nihon Biso Kabushiki Kaisha | Scaffolding system for performing a work on an outer wall surface of a building |
| WO2012098080A2 (en) * | 2011-01-18 | 2012-07-26 | B&K Braun Gmbh | Crossbar member, crossbar and method for manufacturing a crossbar member |
| CN202431012U (en) * | 2011-12-19 | 2012-09-12 | 中国华冶科工集团有限公司 | Foldable protective device |
| CN205531255U (en) * | 2016-01-29 | 2016-08-31 | 广西中烟工业有限责任公司 | Construction scaffold |
| CN205777604U (en) * | 2016-05-13 | 2016-12-07 | 广西建工集团第二安装建设有限公司 | Solar photovoltaic building integrated construction steel construction faces frontier defense protection unit |
| CN205822921U (en) * | 2016-07-21 | 2016-12-21 | 唐楚惟 | A kind of civil construction site safety guard rail |
| CN206570706U (en) * | 2017-03-15 | 2017-10-20 | 刘昭阳 | A kind of road and bridge engineering protection device |
| CN208202629U (en) * | 2018-04-20 | 2018-12-07 | 中建八局第二建设有限公司 | A kind of site operation protective device |
-
2018
- 2018-04-20 CN CN201810361400.3A patent/CN108360830B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4738335A (en) * | 1987-07-06 | 1988-04-19 | Nihon Biso Kabushiki Kaisha | Scaffolding system for performing a work on an outer wall surface of a building |
| WO2012098080A2 (en) * | 2011-01-18 | 2012-07-26 | B&K Braun Gmbh | Crossbar member, crossbar and method for manufacturing a crossbar member |
| CN202431012U (en) * | 2011-12-19 | 2012-09-12 | 中国华冶科工集团有限公司 | Foldable protective device |
| CN205531255U (en) * | 2016-01-29 | 2016-08-31 | 广西中烟工业有限责任公司 | Construction scaffold |
| CN205777604U (en) * | 2016-05-13 | 2016-12-07 | 广西建工集团第二安装建设有限公司 | Solar photovoltaic building integrated construction steel construction faces frontier defense protection unit |
| CN205822921U (en) * | 2016-07-21 | 2016-12-21 | 唐楚惟 | A kind of civil construction site safety guard rail |
| CN206570706U (en) * | 2017-03-15 | 2017-10-20 | 刘昭阳 | A kind of road and bridge engineering protection device |
| CN208202629U (en) * | 2018-04-20 | 2018-12-07 | 中建八局第二建设有限公司 | A kind of site operation protective device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108360830A (en) | 2018-08-03 |
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Address after: 250014 17th floor, unit 1, phase II office building, Zhongjian cultural city, 16 Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant after: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Address before: 250014 18th floor, Zhongjian building, No.16, Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant before: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |