CN214785815U - Double-deck protection frame system for building - Google Patents
Double-deck protection frame system for building Download PDFInfo
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- CN214785815U CN214785815U CN202023094664.9U CN202023094664U CN214785815U CN 214785815 U CN214785815 U CN 214785815U CN 202023094664 U CN202023094664 U CN 202023094664U CN 214785815 U CN214785815 U CN 214785815U
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Abstract
The utility model discloses a double-layer protective frame system for buildings, which comprises an operation platform which is arranged outside an assembled building wall body needing construction and is distributed along the extending direction of the assembled building wall body needing construction; the operation platform comprises a plurality of double-layer protection frames which are assembled together in parallel, at least one pedal structure used for constructors to walk is arranged on the double-layer protection frames along the height direction of the double-layer protection frames at intervals, and the middle lower parts of the double-layer protection frames are arranged on the outer side of the lower-layer wall of the prefabricated building needing to be constructed through the ox-foot structure. The utility model discloses can effectually install fast, solve the problem of double-deck protection frame installation difficulty in the assembly type structure construction, provide safe and reliable's operation platform and safeguard measure simultaneously for the constructor and the demolition personnel of the assembly type structure wall body that need carry out the construction, avoid taking place the personal safety accident.
Description
Technical Field
The utility model relates to an assembly type structure construction technical field, in particular to double-deck protection frame system for building.
Background
The assembly type construction is a development trend of building engineering, is popularized all over the country at present, the prefabrication rate of some places is up to more than 40%, the assembly rate of the outer wall is up to more than 70%, and the main structural forms of the outer wall comprise a PC shear wall, a PC partition wall, a PCF wall, an exterior cladding and the like.
The prefabricated building has the advantages of high construction speed, short construction period, labor saving, energy saving, environmental protection and the like, simultaneously puts higher requirements on the scaffold of the outer wall, and has the advantages of convenient installation, high speed, labor saving, material saving, structural damage caused by the fact that the outer wall cannot be re-holed and the like on the premise of ensuring safety and reliability.
The existing common external wall scaffolds have three main types: the traditional steel pipe scaffold, the disc buckle type steel pipe scaffold and the assembled building externally-hung protection frame with the tripod have the defects that the traditional steel pipe scaffold needs a large amount of steel, consumes a large amount of labor, has large potential safety hazard, is poor in fireproof performance, is high in construction cost and the like, are suitable for traditional building engineering but cannot meet the construction requirement of an assembled building, and a prefabricated outer wall of the assembled building cannot be re-holed and cannot effectively reserve a tie point; although the disc-buckled steel pipe scaffold is good in safety and fireproof performance, the demand of steel and manpower is very large, the construction cost is 2 times higher than that of the traditional scaffold, and holes need to be newly formed in the outer wall and connection points need to be pre-buried in the same way as the traditional scaffold, so that the disc-buckled steel pipe scaffold is suitable for the construction of the traditional building project and cannot meet the requirement of assembly type construction; although the assembly type building external hanging type protective frame with the tripod saves a large amount of steel and has less labor consumption, the assembly type building external hanging type protective frame is only suitable for a stress point on a construction layer, and has a PC external shear wall structure with higher strength; the PC external partition wall, the PCF, the external hanging plate and other external wall systems which are weak in self stress cannot be used, the requirement on installation personnel is very high, and great potential safety hazards exist; in addition, the wall connecting bolt of the tripod is positioned below the operation platform, so that when the next hanging rack is dismounted, a person does not have a standing point and has no safety measures, and can only eject the bolt indoors and outdoors, and if the bolt cannot be ejected under special conditions, the potential safety hazard that a worker may fall off exists; therefore, the three scaffolds can not meet the requirement of the fabricated building.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model aims at providing a reasonable in design, simple structure, can be quick effectual install, solved the problem of double-deck protection frame installation difficulty in the assembly type building construction, provide safe and reliable's operation platform and safeguard measure simultaneously for the constructor and the demolition personnel of the assembly type building wall body that need carry out the construction, avoid taking place the double-deck protection frame system for building of personal safety accident.
For solving the above technical problem, the utility model discloses a following technical scheme realizes:
a double-layer protection frame system for a building is characterized by comprising operation platforms which are arranged at the outer side of an assembly type building wall body needing construction and distributed along the extension direction of the assembly type building wall body needing construction;
the operation platform comprises a plurality of double-layer protection frames which are assembled together in parallel, at least one pedal structure used for constructors to walk is arranged on each double-layer protection frame along the height direction of the double-layer protection frame at intervals, the middle lower part of each double-layer protection frame is arranged on the outer side of the lower-layer wall of the prefabricated building needing to be constructed through the ox foot structure, and the top of each double-layer protection frame is hooked on the outer side of the wall of the prefabricated building needing to be constructed through the top fixing device.
In a preferred embodiment of the present invention, the double-layer protection frame comprises a supporting framework fixedly installed on the outer side of the lower wall of the prefabricated building wall to be constructed;
the outer side of the support framework is provided with at least one protective structure for preventing constructors from falling from the outer side of the support framework at intervals along the height direction of the support framework, the middle part of the support framework is provided with at least one pedal support structure for placing a pedal structure at intervals along the height direction of the support framework, the lower part of the inner side of the support framework is provided with at least one lower cross beam at intervals along the height direction of the support framework, the lower cross beam is used for being hung on the outer side of the lower wall body of the assembly type building wall body needing to be constructed, and the lower cross beam is arranged on the outer side of the lower wall body of the assembly type building wall body needing to be constructed through a cow foot structure.
In a preferred embodiment of the present invention, the supporting framework comprises an inner vertical rod and an outer vertical rod parallel to each other, and the inner vertical rod and the outer vertical rod are connected through a pedal supporting structure.
The utility model discloses a preferred embodiment, protective structure includes that protective bracket and lid establish the protection otter board on protective bracket, protective bracket includes two protection horizontal poles that the parallel set up side by side from top to bottom, and two protection pole settings that the parallel set up side by side are connected respectively at the both ends of two protection horizontal poles, are connected through the pole setting in the middle of the protection between the middle part of two protection horizontal poles, the upper end of pole setting is linked together with the lower extreme of two protection pole settings respectively through the protection down tube in the middle of the protection.
In a preferred embodiment of the present invention, the pedal support structure includes an inner fixed connecting rod and an outer fixed connecting rod which are parallel to each other, both ends of the inner fixed connecting rod and the outer fixed connecting rod are connected to two pedal beams through parallel arrangement, respectively, the inner fixed connecting rod is arranged on the inner side of the support frame, and the outer fixed connecting rod is arranged on the outer side of the support frame.
In a preferred embodiment of the present invention, the bracket structure comprises
A base plate;
the vertical plate is fixedly arranged on the outer side of the lower wall body of the fabricated building wall body to be constructed by adopting high-strength bolts, the vertical plate is arranged on the end face, close to the outer side of the lower wall body of the fabricated building wall body to be constructed, of the bottom plate, and high-strength bolt through holes corresponding to the high-strength bolts are formed in the vertical plate;
the side plate is used for supporting a lower cross beam of the double-layer protection frame, the upper end of the side plate is provided with a U-shaped positioning groove which is integrally U-shaped, and the side plate is arranged on the middle part of the bottom plate;
the fastener is used for pressing and fixing the lower cross beam of the double-layer protection frame in the U-shaped positioning groove, the fastener is integrally L-shaped, the upper end of the fastener is pressed and arranged on the lower cross beam of the double-layer protection frame, fastening external threads are arranged at the lower end of the fastener, fastening through holes for the lower end of the fastener to penetrate are formed in the bottom plate, and the lower end of the fastener penetrates through the fastening through holes to be matched with fastening nuts to be fixed on one side, located on the side plate, of the bottom plate.
In a preferred embodiment of the present invention, the bracket structure for fixing the double-layer protection frame further comprises a levelness adjusting structure for adjusting the levelness of the double-layer protection frame, wherein the levelness adjusting structure is disposed on the other side of the bottom plate located on the side plate.
In a preferred embodiment of the present invention, the levelness adjusting structure comprises an inner wire sleeve welded to the bottom plate on the other side of the side plate and a leveling bolt engaged therewith.
In a preferred embodiment of the present invention, the top fixing device comprises
The high-strength bolt horizontally penetrates through the fabricated building wall to be constructed and is fixedly installed on the fabricated building wall to be constructed through a high-strength nut;
and the U-shaped hook plate is used for hooking the U-shaped hook plate arranged on the top cross beam of the double-layer protection frame, a connecting plate is arranged at the upper end of the U-shaped hook plate, a connecting through hole matched with the high-strength bolt is formed in the connecting plate, the outer end of the high-strength bolt penetrates through the connecting through hole, and is matched with the connecting nut to be fixedly installed on the outer end of the high-strength bolt.
In a preferred embodiment of the present invention, a steel gasket is disposed between the high-strength nut and the prefabricated building wall to be constructed.
Compared with the prior art, the utility model adopts the above structure can be fast effectual installs, has solved the problem of double-deck protection frame installation difficulty in the assembly type structure construction, provides safe and reliable's operation platform and safeguard measure simultaneously for the constructor and the demolition personnel of the assembly type structure wall body that need carry out the construction, avoids taking place personal safety accident.
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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the double-layer protection frame of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic structural view of the protective bracket of the protective structure of the present invention.
Fig. 5 is a schematic structural view of the protective screen of the protective structure of the present invention.
Fig. 6 is a schematic structural diagram of the corbel structure of the present invention.
Fig. 7 is a left side view of fig. 6.
Fig. 8 is a schematic structural view of the top fixing device of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 to 8, a double-deck protection frame system for a building is shown, which includes operation platforms disposed at the outer side of a prefabricated building wall to be constructed and distributed along the extending direction of the prefabricated building wall to be constructed.
The operation platform comprises a plurality of double-layer protection frames 1 which are assembled together in parallel, at least one pedal structure 2 used for constructors to walk is arranged on the double-layer protection frame 1 along the height direction of the double-layer protection frame at intervals, the middle lower part of the double-layer protection frame 1 is arranged on the outer side of the lower layer wall 1600 of the wall 1500 of the prefabricated building needing to be constructed through a bull foot structure, and the top of the double-layer protection frame 1 is hooked on the outer side of the wall 1500 of the prefabricated building needing to be constructed through a top fixing device 4.
The double-deck protection frame 1 includes a supporting frame 100 fixedly installed at the outer side of the lower wall of the prefabricated building wall to be constructed.
At least one protection structure 200 for preventing constructors from falling from the outer side of the support framework 100 is arranged at intervals along the height direction of the support framework, the number of the protection structures 200 is 4 in the embodiment, and the specific number can be adjusted according to actual conditions.
At least one pedal support structure 300 for placing the pedal structure is arranged in the middle of the support framework 100 along the height direction thereof at intervals, in this embodiment, the number of the pedal support structures 300 is 3, and the specific number can be adjusted according to the actual situation.
At least one lower cross beam used for hanging the lower portion on the outer side of the lower-layer wall body of the assembly type building wall body needing to be constructed is arranged at the lower portion of the inner side of the supporting framework 100 along the height direction of the lower portion at intervals, the lower cross beam comprises a first cross beam 400 and a second cross beam 500, the first cross beam 400 is arranged at the lower portion of the supporting framework 100 and is close to the lower end of the first cross beam, the second cross beam 500 is arranged in the middle of the supporting framework 100 and is flush with a pedal supporting structure 300 arranged in the middle of the supporting framework 100, and the first cross beam 400 and the second cross beam 500 are arranged on the outer side of the lower-layer wall body of the assembly type building wall body needing to be constructed through a cow foot structure.
The top of the inner side of the supporting framework 100 is provided with a top cross beam 700 which is hooked on the outer side of the fabricated building wall needing to be constructed, the top cross beam 700 is hooked on the outer side of the fabricated building wall needing to be constructed through a top fixing device, and the stability between the double-layer protection frame and the fabricated building wall needing to be constructed is effectively improved through the structure.
The supporting frame 100 includes an inner vertical rod 120 and an outer vertical rod 110 parallel to each other, and the inner vertical rod 120 and the outer vertical rod 110 are connected by a pedal supporting structure 300.
The pedal support structure 300 includes an inner side fixed connection rod and an outer side fixed connection rod which are parallel and parallel inside and outside, both ends of the inner side fixed connection rod and the outer side fixed connection rod are respectively connected at two pedal beams through parallel arrangement, the inner side fixed connection rod is arranged on the inner side of the support framework, and the outer side fixed connection rod is arranged on the outer side of the support framework.
The top of both sides is equipped with respectively and makes things convenient for the tower crane to carry out the rings that hoist inside and outside supporting framework 100, adopts this kind of structure to be convenient for hoist this double-deck protection frame, the effectual practicality that improves this double-deck protection frame.
The left side and the right side of the supporting framework 100 are respectively provided with the supporting reinforcing structures 600 used for improving the overall supporting strength of the supporting framework, the supporting strength of the double-layer protecting frame is effectively improved by adopting the structure, the deformation of the double-layer protecting frame is avoided, and the safety performance is effectively improved.
The bracket structure 3 comprises a bottom plate 800, a vertical plate 900, a side plate 1000 and a fastener 1100, wherein the vertical plate 900 is fixedly installed on the outer side of the lower wall of the prefabricated building wall needing to be constructed by adopting a high-strength bolt, the vertical plate 900 is arranged on the end surface of the bottom plate 800, which is close to the outer side of the lower wall of the prefabricated building wall needing to be constructed, and the vertical plate 900 is provided with a high-strength bolt through hole 910 corresponding to the high-strength bolt.
The side plate 1000 is used for supporting a lower cross beam of the double-layer protection frame, the upper end of the side plate 1000 is provided with a U-shaped positioning groove 1010 which is integrally U-shaped, and the side plate 1000 is arranged on the middle part of the bottom plate 800 and is respectively 90-degree included angles with the bottom plate 800 and the vertical plate 900.
The fastener 1100 is used for fixedly pressing the lower cross beam of the double-layer protection frame in the U-shaped positioning groove 1010, the fastener 1100 is integrally L-shaped, the upper end of the fastener 1100 is pressed on the lower cross beam of the double-layer protection frame, the lower end of the fastener is provided with a fastening external thread 1110, the bottom plate 800 is provided with a fastening through hole 810 through which the lower end of the fastener passes, and the lower end of the fastener 1100 passes through the fastening through hole 810 to be matched with a fastening nut to be fixed on one side, located on the side plate 1000, of the bottom plate 800.
This bracket structure 3 also includes a levelness adjustment structure 1200 that is used for being able to adjust the levelness of double-deck protection frame, and levelness adjustment mechanism 500 sets up on bottom plate 800 is located the opposite side of curb plate 1000.
The levelness adjusting structure 1200 includes an internal thread sleeve 1210 welded to the bottom plate 800 on the other side of the side plate 1000 and a leveling bolt 1220 fitted thereto, and this structure is adopted to facilitate the leveling operation by the constructor.
The top fixing device 4 comprises a high-strength bolt 1300 and a U-shaped hook plate 1400, the overall strength of the high-strength bolt 1300 is high, the high-strength bolt 1300 horizontally penetrates through the prefabricated building wall 1500 needing to be constructed, and is fixedly installed on the prefabricated building wall 1500 needing to be constructed through a high-strength nut 1310.
The U-shaped hook plate 1400 is used for hooking and arranging on a top cross beam of the double-layer protection frame, a connecting plate 1410 is arranged at the upper end of the U-shaped hook plate 1400, a connecting through hole matched with the high-strength bolt 1300 is formed in the connecting plate 1410, the outer end of the high-strength bolt 1300 penetrates through the connecting through hole, and the high-strength bolt is matched with the connecting nut 1420 to be fixedly arranged on the outer end of the high-strength bolt.
The steel gasket 1320 is arranged between the high-strength nut 1310 and the fabricated building wall needing to be constructed in a cushioning mode, stability between the top fixing device and the fabricated building wall needing to be constructed is effectively improved by the aid of the structure, and meanwhile the fabricated building wall needing to be constructed can be effectively protected.
The U-shaped hook plate 1400 is made of stainless steel, so that the overall strength and the wear resistance of the U-shaped hook plate 1400 are effectively improved by adopting the structure, and the service life of the top fixing device is further prolonged.
The utility model discloses a concrete construction operation as follows:
a. need to promote the floor and be the Nth floor, install 4 reserve bracket structures on the Nth floor earlier, wherein 2 bracket structures's in upper portion U-shaped constant head tank just blocks on the crossbeam on protection support body upper strata, then utilize tower crane wire rope to promote double-deck protection frame 2-3 centimetres, again with leveling bolt upper adjustment top tight crossbeam, make double-deck protection frame's middle level, lower floor's crossbeam is higher than the U-shaped location bottom 2-3 centimetres of 4 bracket structures on the N-1 th floor, make 4 bracket structures on the N-1 th floor be in the non-stress state, tower crane wire rope atress this moment, the bracket structure on Nth floor upper portion has played the guard action simultaneously, provide reliable safety guarantee for demolising the personnel. b. Because bracket structure mounting height is in bottom platform upper portion 40CM department and middle floor platform department, demolish personnel and all demolish and install in double-deck protection frame, withdraw immediately after demolising simultaneously and arrive in the adjacent double-deck protection frame of next door, safety obtains the complete guarantee.
The utility model has the advantages as follows: a. the problem of outer wall protection frame installation difficulty in the assembly type building construction is solved, simultaneously for outer wall constructor and demolish personnel provide safe and reliable's operation platform and safeguard procedures, avoid taking place personal safety accident. b. The standardized product is high in standardization and simple in manufacture, most of the product is manufactured according to standardized modulus, the product is assembled and formed on site, the transportation and storage are convenient, and the cost is low. c. The mounting and dismounting are convenient, fast, material-saving and labor-saving, the mounting and dismounting are carried out only by placing on a bracket structure, the mounting and dismounting are simple, convenient and fast, and each building can meet the engineering requirements only by 3-5 persons. d. The structure is nimble, standardized height, the modulization is high, and standard support body length is 2.4 meters ~ 3.6 meters, increases and decreases with 0.3 meters as the modulus, and some non-standard spares are increased to special position, are fit for all kinds of building planes, and the floor height is in all kinds of assembled building of 2.8 meters ~ 3.2 meters, and reuse rate is high, uses the promotion through a plurality of projects, and the construction cost is very low.
To sum up the utility model adopts the above structure can be fast effectual installs, has solved the problem of double-deck protection frame installation difficulty in the assembly type structure construction, provides safe and reliable's operation platform and safeguard measure simultaneously for the constructor and the demolition personnel of the assembly type structure wall body that needs were under construction, avoids taking place personal safety accident.
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 above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A double-layer protection frame system for a building is characterized by comprising operation platforms which are arranged at the outer side of an assembly type building wall body needing construction and distributed along the extension direction of the assembly type building wall body needing construction;
the operation platform comprises a plurality of double-layer protection frames which are assembled together side by side, at least one pedal structure used for constructors to walk is arranged on each double-layer protection frame along the height direction of the double-layer protection frame at intervals, the middle lower part of each double-layer protection frame is arranged on the outer side of the lower-layer wall of the prefabricated building needing to be constructed through the bracket structure, and the top of each double-layer protection frame is hooked on the outer side of the wall of the prefabricated building needing to be constructed through the top fixing device.
2. The double-deck protective frame system for buildings according to claim 1, wherein: the double-layer protection frame comprises a support framework fixedly arranged on the outer side of the lower wall body of the fabricated building wall body needing construction;
the outer side of the supporting framework is provided with at least one protective structure used for preventing constructors from falling from the outer side of the supporting framework at intervals along the height direction of the supporting framework, the middle part of the supporting framework is provided with at least one pedal supporting structure used for placing a pedal structure at intervals along the height direction of the supporting framework, the lower part of the inner side of the supporting framework is provided with at least one lower cross beam used for hanging the lower cross beam on the outer side of the lower wall body of the fabricated building wall body needing to be constructed at intervals along the height direction of the supporting framework, and the lower cross beam is arranged on the outer side of the lower wall body of the fabricated building wall body needing to be constructed through a bracket structure.
3. The double-deck protective frame system for buildings according to claim 2, wherein: the supporting framework comprises an inner side vertical rod and an outer side vertical rod which are parallel to each other, and the inner side vertical rod and the outer side vertical rod are connected through a pedal supporting structure.
4. The double-deck protective frame system for buildings according to claim 2, wherein: the protective structure comprises a protective support and a protective screen plate covered on the protective support, the protective support comprises two protective cross rods arranged in parallel from top to bottom, two ends of each protective cross rod are connected through two protective vertical rods arranged in parallel, the middle parts of the two protective cross rods are connected through protective middle vertical rods, and the upper ends of the protective middle vertical rods are respectively communicated with the lower ends of the two protective vertical rods through protective inclined rods.
5. The double-deck protective frame system for buildings according to claim 2, wherein: the pedal supporting structure comprises an inner side fixed connecting rod and an outer side fixed connecting rod which are parallel to each other, the two ends of the inner side fixed connecting rod and the two ends of the outer side fixed connecting rod are connected with two pedal cross beams through parallel arrangement, the inner side fixed connecting rod is arranged on the inner side of the supporting framework, and the outer side fixed connecting rod is arranged on the outer side of the supporting framework.
6. The double-deck protective frame system for buildings according to claim 1, wherein: the bracket structure comprises
A base plate;
the vertical plate is fixedly arranged on the outer side of the lower wall body of the fabricated building wall body to be constructed by adopting high-strength bolts, the vertical plate is arranged on the end face, close to the outer side of the lower wall body of the fabricated building wall body to be constructed, of the bottom plate, and high-strength bolt through holes corresponding to the high-strength bolts are formed in the vertical plate;
the side plate is used for supporting a lower cross beam of the double-layer protection frame, the upper end of the side plate is provided with a U-shaped positioning groove which is integrally U-shaped, and the side plate is arranged on the middle part of the bottom plate;
the fastener is used for pressing and fixing the lower cross beam of the double-layer protection frame in the U-shaped positioning groove, the fastener is integrally L-shaped, the upper end of the fastener is pressed and arranged on the lower cross beam of the double-layer protection frame, fastening external threads are arranged at the lower end of the fastener, fastening through holes for the lower end of the fastener to penetrate are formed in the bottom plate, and the lower end of the fastener penetrates through the fastening through holes to be matched with fastening nuts to be fixed on one side, located on the side plate, of the bottom plate.
7. The double-deck protective frame system for buildings according to claim 6, wherein: this a bracket structure for fixing double-deck protection frame still includes a levelness adjustment structure that is used for adjusting the levelness of double-deck protection frame, levelness adjustment mechanism sets up on the bottom plate is located the opposite side of curb plate.
8. The double-deck protective frame system for buildings according to claim 7, wherein: the levelness adjusting structure comprises an inner wire sleeve welded on the other side of the side plate of the bottom plate and a leveling bolt matched with the inner wire sleeve.
9. The double-deck protective frame system for buildings according to claim 1, wherein: the top fixing device comprises
The high-strength bolt horizontally penetrates through the fabricated building wall body to be constructed and is fixedly installed on the fabricated building wall body to be constructed through a high-strength nut;
and the U-shaped hook plate is used for hooking the U-shaped hook plate arranged on the top cross beam of the double-layer protection frame, a connecting plate is arranged at the upper end of the U-shaped hook plate, a connecting through hole matched with the high-strength bolt is formed in the connecting plate, the outer end of the high-strength bolt penetrates through the connecting through hole, and is matched with the connecting nut to be fixedly installed on the outer end of the high-strength bolt.
10. The double-deck protective frame system for buildings according to claim 9, wherein: and a steel gasket is arranged between the high-strength nut and the assembled building wall needing construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023094664.9U CN214785815U (en) | 2020-12-21 | 2020-12-21 | Double-deck protection frame system for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023094664.9U CN214785815U (en) | 2020-12-21 | 2020-12-21 | Double-deck protection frame system for building |
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| Publication Number | Publication Date |
|---|---|
| CN214785815U true CN214785815U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023094664.9U Active CN214785815U (en) | 2020-12-21 | 2020-12-21 | Double-deck protection frame system for building |
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| Country | Link |
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| CN (1) | CN214785815U (en) |
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2020
- 2020-12-21 CN CN202023094664.9U patent/CN214785815U/en active Active
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