CN109518981B - Shaping protection device at building ladder conversion platform of fabricated building operation and construction method thereof - Google Patents
Shaping protection device at building ladder conversion platform of fabricated building operation and construction method thereof Download PDFInfo
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- CN109518981B CN109518981B CN201811392047.1A CN201811392047A CN109518981B CN 109518981 B CN109518981 B CN 109518981B CN 201811392047 A CN201811392047 A CN 201811392047A CN 109518981 B CN109518981 B CN 109518981B
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- cross rod
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000007493 shaping process Methods 0.000 title claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims 1
- 238000004513 sizing Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3223—Means supported by building floors or flat roofs, e.g. safety railings
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- 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
- E04G21/3252—Protections, e.g. cover, caps, against impaling on starter reinforcement bars
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a shaping protection device for an assembled building operation floor ladder conversion platform, which comprises a vertical face protection A and a vertical face protection B, wherein the vertical face protection A and the vertical face protection B are vertically arranged, the surface protection A is welded with the vertical face protection B, the vertical face protection A comprises a first vertical rod, a second vertical rod, a first cross rod, a second cross rod and a third cross rod, the first vertical rod and the second vertical rod are respectively and vertically arranged at two ends of the bottom of the vertical face protection A, the first vertical rod and the second vertical rod are vertically arranged, a first rod is arranged on an auxiliary fixing piece, and the first rod and the third cross rod are vertically arranged. The beneficial effects of the invention are as follows: the construction method for the shaping protection is rapid and simple to install and detach, saves the construction time for erecting the traditional steel pipe fastener type protection frame, saves labor, saves materials, reduces the cost and the occupied area, is convenient to operate, is firm and durable, has good social benefit, and is suitable for popularization and use.
Description
Technical Field
The invention relates to a protection device, in particular to a shaping protection device at a building ladder conversion platform of an assembled building operation and a construction method thereof, and belongs to the technical field of application of shaping protection devices.
Background
When the assembled building structure main body is constructed, the operation layer ladder conversion platform is often in a non-protection state, the relatively complex steel pipe fastener protection frame is inconvenient to set up, the area of the operation layer ladder conversion platform is small, effective fixing points do not exist around, if the steel pipe fastener protection frame is set up to be too complex and complicated, the prefabricated wallboard hoisting and the cast-in-situ hidden column sealing die are influenced, in the construction process, the operation layer ladder conversion platform has larger potential safety hazards, and high falling accidents are easy to occur.
Disclosure of Invention
The invention aims to solve the problems that when the main body of the existing assembled building structure is constructed, the position of an operation layer ladder conversion platform is always in a non-protection state, the position of the operation layer ladder conversion platform is inconvenient to set up a relatively complex steel pipe fastener protection frame, the position of the operation layer ladder conversion platform is small in area, effective fixing points do not exist around the position, if the steel pipe fastener protection frame is set up too complex and complicated, the prefabricated wallboard hoisting and cast-in-place hidden column sealing mould are influenced, and in the construction process, the position of the operation layer ladder conversion platform has larger potential safety hazard and high falling accidents are easy to occur.
The aim of the invention can be achieved by the following technical scheme: the shaping protection device comprises a vertical face protection A and a vertical face protection B, wherein the vertical face protection A and the vertical face protection B are vertically arranged, and the vertical face protection A and the vertical face protection B are welded and connected;
the vertical face protection A comprises a first vertical rod, a second horizontal rod and a third vertical rod, wherein the first vertical rod and the second vertical rod are respectively and vertically arranged at two ends of the bottom of the vertical face protection A, the first vertical rod and the second vertical rod are vertically arranged, the lengths of the first vertical rod and the second vertical rod of the vertical face protection A are equal to the height of a floor slab surface by 1200mm, the effective protection height is 1200mm, the lengths of the second vertical rod are equal to the width of a stair, the sizes of the first vertical rod and the second vertical rod are the distance between stair positioning bolts, the effect of connecting the first vertical rod and the second vertical rod is achieved, the first vertical rod is arranged at the top between the first vertical rod and the second vertical rod, the third vertical rod is arranged at the middle part between the first vertical rod and the second vertical rod, the second vertical rod is vertically welded with the first vertical rod, the size is determined according to the actual situation on site, but the connecting position of a movable fixing piece and a transverse rod is required to be determined according to the prefabricated stair and the position of the partition wall, the middle part between the first vertical rod and the third vertical rod is arranged at the middle part, the second vertical rod is equal to the width of the stair, the length of the horizontal rod is equal to the stair, the size of the vertical rod is equal to the stair, the size of the second vertical rod is arranged between the vertical rod and the vertical rod is the vertical rod, the vertical rod is the top between the vertical rod and the second vertical rod is arranged, the vertical rod is;
the auxiliary fixing piece is provided with a first rod which is perpendicular to the cross rod six, one end of the first rod is provided with a fourth rod, one end of the fourth rod is provided with a fifth rod, one side of the middle of the first rod is provided with a second rod, and a third rod is welded between the end of the other end of the first rod and the lower part of the second rod;
the middle part of the side wall at one end of the cross rod is provided with a plurality of bolt holes with hollow circular structures at equal intervals, two sides of one end of the rod are fixedly connected with the bolt holes on the cross rod six through bolts, and before the operation layer partition plate is hoisted, the auxiliary fixing piece is vertically clamped into the lower layer partition plate from top to bottom with the ground, so that the position of the reserved bolt hole on the cross rod in the first state is determined; after the partition plate of the working layer is hoisted, the position of the auxiliary fixing piece is adjusted to be clamped into the partition plate of the working layer from the side surface with the ground level, so that the position of the reserved bolt hole in the second state of the cross rod is determined, the facade protection B is connected with the auxiliary movable auxiliary fixing piece by bolts, and other rod pieces are connected by welding.
The invention further adopts the technical proposal that: one end of the rod is vertically connected with the six middle parts of the cross rod, bolt holes matched with the bolts are formed in two sides of the tube wall at one end of the rod, the bolts penetrate through the bolt holes, nuts are installed at the joints of the bolts and one end of the bolt holes, the tube wall is separated from four faces at the end part of the rod of the auxiliary fixing piece, the separated tube wall is guaranteed to be mutually perpendicular to the rod, bolt holes are formed in the separated tube wall, then the bolts pass through the bolt holes and the reserved bolt holes in the cross rod, and the bolts are fixed through the nuts, so that the interconnection between the auxiliary fixing piece and the elevation protection B is completed.
The invention further adopts the technical proposal that: the second rod and the fifth rod are arranged in parallel, and a triangular structure is formed among the first rod, the second rod and the third rod, so that the device is ensured to be more stable and firm in working and use, and the use safety and the service life of the device are improved.
The invention further adopts the technical proposal that: the two ends of the first cross rod, the second cross rod and the third cross rod are respectively and vertically arranged with the side walls of the first vertical rod and the second vertical rod, and the first cross rod, the second cross rod and the third cross rod are arranged in parallel, so that the connection and the support of each part on the device are ensured to be firmer, and the strength of the device during the whole use is improved.
The invention further adopts the technical proposal that: the two ends of the cross rod IV, the cross rod V and the cross rod VI are respectively and vertically arranged with the side wall of the upright rod II and the side wall of the upright rod III, and the cross rod IV, the cross rod V and the cross rod VI are respectively and parallelly arranged.
The construction method of the finalized protective device at the building ladder conversion platform of the assembled building operation comprises the following steps:
step one: before the prefabricated part of the operation layer is hoisted, hoisting the protection frame to a stair conversion platform, inserting the first upright rod and the second upright rod into stair positioning bolts, and simultaneously enabling the auxiliary fixing parts to be perpendicular to the ground and clamped into a lower partition plate;
step two: before the floor ladder partition board is hoisted, the auxiliary fixing piece is detached;
step three: hoisting the stair partition plate;
step four: turning the fixing piece to a position of a reserved bolt hole in the second state, enabling the auxiliary fixing piece to be horizontal to the ground, clamping the partition board of the layer from the side surface, and fixing the partition board by bolts;
step five: each layer of the assembly layer is reused until the construction of the main body structure is completed;
step six: after the construction of one main building structure is completed, the protective frame is lifted to a transfer site for standby by using a tower crane, and the method is suitable for other main buildings of subsequent construction.
Compared with the prior art, the invention has the beneficial effects that:
1. the protection frame is an integral type shaped square steel pipe for protection, is simple to manufacture, has good overall performance, can be used in a circulating way through the tower crane, saves construction period and reduces construction cost, and the specification form can be changed according to actual conditions on site.
2. The use of the shaping protection solves the problem that the building ladder conversion platform of the assembled building operation is not protected, eliminates great potential safety hazards and ensures the personal safety of workers.
3. The use of the shaping protection in the invention reasonably utilizes the stair positioning steel bars in the assembled building, saves the occupied space for erecting the traditional steel pipe fastener type protection frame, provides larger operation space and better construction environment for subsequent hoisting, steel bars and template engineering construction, and effectively improves the site construction progress.
4. The construction method for the shaping protection is rapid and simple to install and detach, saves the construction time for erecting the traditional steel pipe fastener type protection frame, saves labor, saves materials, reduces the cost and the occupied area, is convenient to operate, is firm and durable, has good social benefit, and is suitable for popularization and use.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a schematic perspective view of the first state of the present invention.
Fig. 2 is a schematic perspective view of a second state of the present invention.
Fig. 3 is a front view of the present invention in a first state.
Fig. 4 is a front view of the present invention in a second state.
Fig. 5 is a right side view of the present invention in a first state.
Fig. 6 is a right side view of the present invention in a second state.
Fig. 7 is a top view of the present invention in a first state.
Fig. 8 is a top view of the present invention in a second state.
Fig. 9 is a top view of the present invention installed prior to lifting of the partition panel at the work floor ladder transition platform.
Fig. 10 is a top view of the present invention installed after lifting of the partition panel at the work floor ladder transition platform.
Fig. 11 is a right side view of the present invention installed prior to lifting of the partition panel at the work floor ladder transition platform.
Fig. 12 is an elevation view of the present invention installed after lifting of the partition panel at the work floor ladder transition platform.
Fig. 13 is an enlarged cross-sectional view of the movable attachment fixture of the present invention in conjunction with a cross bar six.
Fig. 14 is an enlarged side view of the movable attachment fixture of the present invention in conjunction with a cross bar six.
In the figure: 1. setting a first upright rod; 2. a second upright rod; 3. a first cross bar; 4. a second cross bar; 5. a cross bar III; 6. standing a third pole; 7. a cross bar IV; 8. a cross bar V; 9. a cross bar six; 10. a first rod; 11. a second rod; 12. a third lever; 13. a fourth lever; 14. and a fifth lever.
Description of the embodiments
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-14, a shaping protection device at a conversion platform of an assembled building operation floor ladder comprises a vertical face protection a and a vertical face protection B, wherein the vertical face protection a and the vertical face protection B are vertically arranged, and the vertical face protection a is welded with the vertical face protection B;
the elevation protection A comprises a first upright pole 1, a second upright pole 2, a first cross rod 3, a second cross rod 4 and a third cross rod 5, wherein the first upright pole 1 and the second upright pole 2 are respectively and vertically arranged at two ends of the bottom of the elevation protection A, the first upright pole 1 and the second upright pole 2 are vertically arranged, the lengths of the first upright pole 1 and the second upright pole 2 of the elevation protection A are the elevation of the top of a ladder beam to the elevation of a floor slab surface plus 1200mm, the effective protection height is ensured to be 1200mm, the length of the first cross rod 3 is the same as the width of a stair, the size of the second cross rod 4 and the third cross rod 5 is the distance between stair positioning bolts, the effect of connecting the first upright pole 1 and the second upright pole 2 is achieved, the protection effect is simultaneously considered, the first cross rod 3 is arranged at the top between the first upright pole 1 and the second upright pole 2, the middle part between the first upright pole 1 and the second upright pole 2 is provided with the third cross rod 5, the vertical face protection B is vertically welded with the vertical pole A through a vertical pole B2, the size is determined according to the actual situation of the site, the connection position of an attached movable fixing piece and a cross rod six 9 is determined according to the position of a prefabricated staircase and a partition wall, a cross rod B4 is arranged in the middle between the cross rod A3 and the cross rod B5, the vertical face protection B comprises a vertical pole B2, a vertical pole B6, a cross rod IV 7, a cross rod V8, a cross rod six 9 and an attached fixing piece, the attached fixing piece can move in an adjustable mode, the vertical pole B2 and the vertical pole B6 are respectively and longitudinally arranged at two ends of the bottom of the vertical face protection B, the cross rod IV 7 is arranged at the top between the vertical pole B2 and the vertical pole B6, the cross rod VI 9 is arranged in the middle between the vertical pole B2 and the vertical pole III 6, and the cross rod V8 is arranged between the cross rod VI and the cross rod IV 7;
the auxiliary fixing piece is provided with a first rod 10, the first rod 10 and a sixth cross rod 9 are vertically arranged, one end of the first rod 10 is provided with a fourth rod 13, one end of the fourth rod 13 is vertically provided with a fifth rod 14, one side of the middle part of the first rod 10 is vertically provided with a second rod 11, and a third rod 12 is welded between the other end of the first rod 10 and the lower part of the second rod;
the middle part of the side wall at one end of the cross rod six 9 is provided with a plurality of bolt holes with hollow circular structures at equal intervals, two sides of one end of the rod one 10 are fixedly connected with the bolt holes on the cross rod six 9 through bolts, and before the operation layer partition plate is hoisted, the auxiliary fixing piece is vertically clamped into the lower layer partition plate from top to bottom with the ground, so that the position of the reserved bolt hole on the cross rod six 9 in the first state is determined; after the partition plate of the working layer is hoisted, the position of the auxiliary fixing piece is adjusted to be clamped into the partition plate of the working layer from the side surface with the ground level, so that the position of the reserved bolt hole in the second state of the cross bar six 9 is determined, the facade protection B is connected with the auxiliary movable auxiliary fixing piece by bolts, and the other rod pieces are connected by welding.
As a technical optimization scheme of the invention, one end of a first rod 10 is vertically connected with the middle part of a sixth transverse rod 9, two sides of the pipe wall at one end of the first rod 10 are respectively provided with a bolt hole matched with a bolt, the bolts penetrate through the bolt holes, nuts are arranged at the joints of the bolts and one end of the bolt holes, the pipe wall is separated from the four sides at the end of the first rod 10 of an accessory fixing piece, the separated pipe wall is ensured to be mutually vertical to the first rod 10, bolt holes are formed in the separated pipe wall, then the bolts pass through the bolt holes and the reserved bolt holes in the sixth transverse rod 9, and the bolts are fixed by the nuts, so that the interconnection between the accessory fixing piece and the vertical face protection B is completed.
As a technical optimization scheme of the invention, the second rod 11 and the fifth rod 14 are arranged in parallel, and a triangular structure is formed among the first rod 10, the second rod 11 and the third rod 12, so that the device is ensured to be more stable and firm in working and use, and the use safety and the service life of the device are improved.
As a technical optimization scheme of the invention, two ends of the first cross rod 3, the second cross rod 4 and the third cross rod 5 are respectively and vertically arranged with the side walls of the first upright rod 1 and the second upright rod 2, and the first cross rod 3, the second cross rod 4 and the third cross rod 5 are respectively and parallelly arranged, so that the connection and the support of all parts on the device are ensured to be firmer, and the strength of the device in the whole use process is improved.
As a technical optimization scheme of the invention, two ends of the cross rod IV 7, the cross rod V8 and the cross rod V9 are respectively and vertically arranged with the side walls of the upright rod II 2 and the upright rod III 6, and the cross rod IV 7, the cross rod V8 and the cross rod V9 are respectively and parallelly arranged.
The construction method of the finalized protective device at the building ladder conversion platform of the assembled building operation comprises the following steps:
step one: before the prefabricated part of the operation layer is hoisted, hoisting the protection frame to a stair conversion platform, inserting the upright rod I and the upright rod II into stair positioning bolts, and simultaneously enabling the auxiliary fixing piece to be perpendicular to the ground and clamped into a lower partition plate;
step two: before the floor ladder partition board is hoisted, the auxiliary fixing piece is detached;
step three: hoisting the stair partition plate;
step four: turning the fixing piece to a position of a reserved bolt hole in the second state, enabling the auxiliary fixing piece to be horizontal to the ground, clamping the partition board of the layer from the side surface, and fixing the partition board by bolts;
step five: each layer of the assembly layer is reused until the construction of the main body structure is completed;
step six: after the construction of one main building structure is completed, the protective frame is lifted to a transfer site for standby by using a tower crane, and the method is suitable for other main buildings of subsequent construction.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides an assembled construction operation layer building ladder conversion platform department finalization protector, includes facade protection A and facade protection B, its characterized in that: the vertical face protection A and the vertical face protection B are vertically arranged, and the face protection A is welded with the vertical face protection B;
the vertical face protection A comprises a first vertical rod (1), a second vertical rod (2), a first transverse rod (3), a second transverse rod (4) and a third transverse rod (5), wherein the first vertical rod (1) and the second vertical rod (2) are respectively and vertically arranged at two ends of the bottom of the vertical face protection A, the first vertical rod (1) and the second vertical rod (2) are vertically arranged, the first transverse rod (3) is arranged at the top between the first vertical rod (1) and the second vertical rod (2), the third transverse rod (5) is arranged at the middle part between the first vertical rod (1) and the second vertical rod (2), and the second transverse rod (4) is arranged at the middle part between the first transverse rod (3) and the third transverse rod (5);
the vertical face protection B comprises a second vertical rod (2), a third vertical rod (6), a fourth horizontal rod (7), a fifth horizontal rod (8), a sixth horizontal rod (9) and auxiliary fixing pieces, wherein the second vertical rod (2) and the third vertical rod (6) are respectively and longitudinally arranged at two ends of the bottom of the vertical face protection B, the fourth horizontal rod (7) is arranged at the top between the second vertical rod (2) and the third vertical rod (6), the sixth horizontal rod (9) is arranged at the middle part between the second vertical rod (2) and the third vertical rod (6), and the fifth horizontal rod (8) is arranged between the sixth horizontal rod (9) and the fourth horizontal rod (7);
the auxiliary fixing piece is provided with a first rod (10), the first rod (10) and the second rod (9) are vertically arranged, one end of the first rod (10) is provided with a fourth rod (13), one end of the fourth rod (13) is vertically provided with a fifth rod (14), one side of the middle of the first rod (10) is vertically provided with a second rod (11), and a third rod (12) is welded between the other end of the first rod (10) and the lower part of the second rod;
the middle part of the side wall at one end of the cross rod six (9) is provided with a plurality of bolt holes with hollow round structures at equal intervals, and two sides of one end of the rod one (10) are fixedly connected with the bolt holes on the cross rod six (9) through bolts;
the construction method of the protection device specifically comprises the following steps:
step one: before the prefabricated part of the operation layer is hoisted, hoisting the protection frame to a stair conversion platform, inserting the first upright rod (1) and the second upright rod (2) into stair positioning bolts, and simultaneously enabling the auxiliary fixing parts to be perpendicular to the ground and clamped into a lower partition plate;
step two: before the stair partition plate is hoisted, the auxiliary fixing parts are dismounted;
step three: hoisting the stair partition plate;
step four: turning the auxiliary fixing piece to a position of a reserved bolt hole in the second state, enabling the auxiliary fixing piece to be horizontal to the ground, clamping the partition board of the layer from the side surface, and fixing the partition board by bolts; wherein the accessory fixing piece in the second state is parallel to the ground;
step five: each layer of the assembly layer is reused until the construction of the main body structure is completed;
step six: after the construction of one main building structure is completed, the protective frame is lifted to a transfer site for standby by using a tower crane, and the method is suitable for other main buildings of subsequent construction.
2. The shaping protection device for the building ladder conversion platform of the fabricated building operation according to claim 1, wherein one end of the first rod (10) is vertically connected with the middle of the sixth cross rod (9), bolt holes matched with the bolts are formed in two sides of the pipe wall of one end of the first rod (10), the bolts penetrate through the bolt holes, and nuts are arranged at the joints of the lifting bolts and one end of the bolt holes.
3. The modular building operation floor ladder conversion platform sizing and protecting device according to claim 1, wherein the second rod (11) and the fifth rod (14) are arranged in parallel, and a triangular structure is formed among the first rod (10), the second rod (11) and the third rod (12).
4. The shaping protection device for the building ladder conversion platform of the fabricated building operation according to claim 1, wherein two ends of the first cross rod (3), the second cross rod (4) and the third cross rod (5) are respectively arranged perpendicular to the side walls of the first upright rod (1) and the second upright rod (2), and the first cross rod (3), the second cross rod (4) and the third cross rod (5) are arranged in parallel.
5. The shaping protection device for the building ladder conversion platform of the fabricated building operation according to claim 1, wherein two ends of the cross rod IV (7), the cross rod V (8) and the cross rod V (9) are respectively perpendicular to the side walls of the upright rod II (2) and the upright rod III (6), and the cross rod IV (7), the cross rod V (8) and the cross rod V (9) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392047.1A CN109518981B (en) | 2018-11-21 | 2018-11-21 | Shaping protection device at building ladder conversion platform of fabricated building operation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392047.1A CN109518981B (en) | 2018-11-21 | 2018-11-21 | Shaping protection device at building ladder conversion platform of fabricated building operation and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109518981A CN109518981A (en) | 2019-03-26 |
| CN109518981B true CN109518981B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811392047.1A Active CN109518981B (en) | 2018-11-21 | 2018-11-21 | Shaping protection device at building ladder conversion platform of fabricated building operation and construction method thereof |
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| CN (1) | CN109518981B (en) |
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2018
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| CN106088636A (en) * | 2016-06-08 | 2016-11-09 | 中国十七冶集团有限公司 | A kind of canalization detachable stair safety protection frame |
| CN207363291U (en) * | 2017-10-18 | 2018-05-15 | 中天建设集团有限公司 | A kind of dedicated guard rail of precast stair |
| CN108756196A (en) * | 2018-08-20 | 2018-11-06 | 中建四局第六建筑工程有限公司 | A kind of assembled architecture main body protective device and its construction method |
| CN209509544U (en) * | 2018-11-21 | 2019-10-18 | 中国建筑第四工程局有限公司 | Protective device with shaped at a kind of assembled architecture work layer stair transformation platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109518981A (en) | 2019-03-26 |
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