CN209907972U - Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding - Google Patents
Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding Download PDFInfo
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- CN209907972U CN209907972U CN201920531940.1U CN201920531940U CN209907972U CN 209907972 U CN209907972 U CN 209907972U CN 201920531940 U CN201920531940 U CN 201920531940U CN 209907972 U CN209907972 U CN 209907972U
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Abstract
A conversion frame for longitudinal and transverse conversion of a precast concrete exterior wall cladding belongs to the technical field of building construction tools. The structure includes: the plate supporting device comprises a plate supporting main body, a transverse base, a vertical base, a lower fastening bolt system, an upper adjustable fastening bolt system, an adjustable hanging beam, a climbing ladder, a safety handrail, a rubber pad and the like. The utility model provides a PC exterior wall cladding from horizontal conversion to vertical technological problem, specially adapted because road restriction can only horizontal transportation's super large, overweight PC plate, specially adapted prefabricated decorative concrete exterior wall cladding can effectively avoid the damage of plate, in carrying on a large scale, large tracts of land exterior wall cladding hoist and mount engineering, can effectively practice thrift the hoist and mount cost, is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of the construction apparatus, a building construction field is related to, concretely relates to precast concrete exterior wall cladding indulges the conversion frame of horizontal conversion usefulness from horizontal conversion to vertical precast concrete exterior wall cladding.
Background
In recent years, with the implementation of building industrialization projects, the prefabricated concrete structure in China enters a high-speed development stage. Because of the unique decorative characteristics of the precast concrete exterior wall cladding, the precast concrete exterior wall cladding has the characteristics of high construction speed, good quality, low maintenance cost and the like, more and more large public buildings, industrial buildings and civil buildings adopt the precast concrete exterior wall cladding as an exterior facade enclosing and decorative wall plate. However, as the outer vertical face decoration effect of various buildings is various and the large building has higher layer height, the building vertical face of the vertical bar plate is designed and adopted more. However, due to the size problem, the vertical bar plate is likely to be limited by transportation, and can only be horizontally placed for transportation (because the specificity of the wall plate does not consider horizontal transportation), so that the vertical bar plate needs to be turned from the horizontal direction to the vertical direction at a construction site. Most of the existing turning modes are the cooperative turning of a plurality of hoisting devices or the turning of a large truck crane with an auxiliary hook, the requirements on machinery and places are high, the cost is high, a safety risk source is increased, and the quality of a component cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to realize that the vertical slat of precast concrete exterior wall cladding overturns at the scene, the utility model provides a conversion frame that precast concrete exterior wall cladding indulges horizontal conversion usefulness has guaranteed that the wallboard is not damaged, is polluted in the in-process from horizontal to vertical conversion, and can reduce cost, guarantee construction safety well.
A precast concrete exterior wall cladding is indulged conversion frame of violently changing usefulness, including horizontal base, vertical base and support subject, its characterized in that horizontal base, vertical base weld respectively and set up on support subject's first side and bottom surface, support subject's top surface is equipped with the hanging beam, is equipped with people's cat ladder and safety handle on the second side, safety handle is located at least one side of people's cat ladder, horizontal base both sides face sets up a set of lower part fastening bolt system respectively at the interval, is equipped with upper portion fastening bolt system on support subject's third side, the fourth side respectively, precast concrete exterior wall cladding is placed when support subject, is hoisted by lower part fastening bolt system and upper portion fastening bolt system are fixed again.
The utility model provides a conversion frame that precast concrete exterior wall cladding indulges and violently changes usefulness, its characterized in that supports the main part and includes two braced frame that constitute by the connection of outer frame roof beam and crossbeam, every braced frame goes up the parallel and is equipped with a set of slot hole and erects the roof beam, the slot hole erects the roof beam and is parallel with the crossbeam, the slot hole has seted up on the length direction that erects the roof beam and has adjusted the slide opening, and upper portion fastening bolt system installs on adjusting the slide opening, and upper and lower, left and right sides become 5 jiaos of symmetry setting respectively between two braced frame, present narrow width under the upper portion, the narrow wide structure in the narrow right side in the left side, go up the leptoprosopy and be the second side, and wide face is first side down, and the left leptopro.
The utility model provides a precast concrete exterior wall cladding is indulged conversion frame of violently changing usefulness, its characterized in that upper portion fastening bolt system includes the screw rod, the screw rod is worn to establish on the regulation slide opening that the slot hole erects the roof beam from inside to outside, and the outer end is equipped with the locating plate, and the screw rod both ends are equipped with gasket and nut from inside to outside in proper order, and the locating plate is located the gasket inboard, and the screw rod both ends are screwed up fixedly by gasket and nut, will place the precast concrete exterior wall cladding on the conversion frame in the space that locating plate and third side or fourth side formed.
The conversion frame for vertical and horizontal conversion of the precast concrete exterior wall cladding is characterized in that the lower fastening bolt system comprises a baffle plate and a bolt installation frame which are arranged on a horizontal base, the baffle plate is positioned between a support main body and the bolt installation frame, a gap is reserved between the support main body and the baffle plate, a base plate is arranged between the support main body and the baffle plate, and a group of bolt connection holes are formed in the baffle plate; the bolt installation frame inside wall inboard welding is equipped with coupling nut, and interior, lateral wall and coupling nut correspond the position and are equipped with the bolt mounting hole, and the bolt passes the bolt mounting hole of lateral wall, coupling nut, inside wall and the bolted connection hole of baffle in proper order, and the end supports the backing plate, and the bolt passes through the backing plate and fixes precast concrete exterior wall cladding on supporting the main part.
The conversion frame for vertical and horizontal conversion of the precast concrete exterior wall cladding is characterized in that an inclined strut is arranged between a vertical beam and a transverse beam of a long hole.
The conversion frame for longitudinal and transverse conversion of the precast concrete exterior wall cladding is characterized in that a seamless cylindrical steel pipe with a corresponding aperture is further sleeved on a screw, and the seamless cylindrical steel pipe is located on the inner side of the positioning plate.
The conversion frame for vertical and horizontal conversion of the precast concrete exterior wall cladding is characterized in that rubber gaskets are arranged on the third side surface and the fourth side surface of the supporting main body and used for protecting the precast concrete exterior wall cladding.
The conversion frame for longitudinal and transverse conversion of the precast concrete exterior wall cladding is characterized in that a row of hoisting point holes are formed in the hoisting beam, hoisting points are selected according to actual conditions during hoisting, and the conversion frame is guaranteed to be stable during overturning.
The conversion frame for longitudinal and transverse conversion of the precast concrete exterior wall cladding is characterized in that a seamless cylindrical steel pipe is further arranged on a screw, and the seamless cylindrical steel pipe is located between the positioning plate and the support main body.
By adopting the above technique, the utility model, the conversion frame of precast concrete exterior wall cladding indulge horizontal conversion usefulness that obtains, it can fix 1-2 precast concrete exterior wall cladding on the support body, and utilize the rubber pad to prevent that panel lacks the arris and fall the angle, in the upset process, through selecting suitable hoisting point, under the condition that the base strong point is not apart from ground, safety, stability, rapidly overturn it, a structure is simple, the operation is simple and convenient, can be used to in each kind, large-scale vertical member hoists usefulness, it can be convenient to shift in the scene, low to hoisting equipment requirement, simple manufacture, with low costs, all vertical slats within specially adapted 10 tons, the vertical dysmorphism of simple structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lower fastening bolt system of the present invention;
fig. 3 is a schematic view of the upper fastening bolt system of the present invention.
In the figure: 1-transverse base, 2-vertical base, 3-support body, 31-outer frame beam, 32-cross beam, 33-long hole vertical beam, 33 a-adjusting slide hole, 34-inclined strut, 3 a-first side surface, 3 b-bottom surface, 3 c-top surface, 3 d-second side surface, 3 e-third side surface, 3 f-fourth side surface, 4-lower fastening bolt system, 41-baffle plate, 42-backing plate, 43-bolt connecting hole, 44-bolt mounting frame, 45-bolt, 46-connecting nut, 47-bolt mounting hole, 5-upper fastening bolt system, 51-screw rod, 52-seamless cylindrical steel pipe, 53-positioning plate, 54-nut, 55-gasket, 6-safety handrail, 7-hanging beam, 71-hanging point hole and 8-climbing ladder.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited thereto:
as shown in figures 1-3, the utility model relates to a conversion frame for the longitudinal and transverse conversion of precast concrete exterior wall cladding, the precast concrete exterior wall cladding of the utility model can be other plates, the conversion frame comprises a transverse base 1, a vertical base 2 and a support main body 3, as shown in the figure, the support main body 3 comprises two support frames formed by connecting an outer frame beam 31 and a cross beam 32, each support frame is provided with a group of long hole vertical beams 33 in parallel, the long hole vertical beams 33 are parallel to the cross beam 32, the length direction of the long hole vertical beams 33 is provided with an adjusting slide hole 33a, an upper fastening bolt system 5 is arranged on the adjusting slide hole 33a, the two support frames are symmetrically arranged with an angle of 5 degrees from top to bottom and from left to right respectively, the structure presents a structure with narrow top, wide bottom and narrow left, the upper narrow face is a second side face 3d, the lower wide face is a first side face 3a, the left narrow face is a top face 3c, the right broad side is the bottom side 3b and the hanging beam 7 is arranged between the cross beams of the two supporting frames of the top side 3 c. In order to increase the stability and firmness of the whole conversion frame, the utility model can set the inclined strut 34 between the long hole vertical beam 33 and the cross beam 32 according to the actual situation, and the arrangement position and the quantity of the inclined strut 34 can be changed according to the actual situation because the pre-buried bracket, the bolt and the like on the precast concrete exterior wall cladding can conflict with the inclined strut 34 of the frame body;
the horizontal base 1 and the vertical base 2 are respectively welded on a first side surface 3a and a bottom surface 3b of the supporting main body 3, a hanging beam 7 is arranged on the top surface 3c of the supporting main body 3, a manned ladder 8 and a safety handrail 9 are arranged on a second side surface 3d, and the manned ladder 8 is used for climbing when an operator installs and removes a lifting hook of a lifting point; the safety handrails 9 are positioned on two sides or one side of the climbing ladder 8 and used for holding and hanging safety ropes when climbing the climbing ladder 8, a group of lower fastening bolt systems 4 are respectively arranged on two side surfaces of the transverse base 1 at intervals, upper fastening bolt systems 5 are respectively arranged on the third side surface 3e and the fourth side surface 3f of the supporting main body 3, the prefabricated concrete exterior wall hanging plate is fixed by the lower fastening bolt systems 4 and the upper fastening bolt systems 5 and then hoisted when being placed on the supporting main body 3, a row of hoisting point holes 71 are formed in the hoisting beam 7, and hoisting points are selected according to actual conditions during hoisting, so that the transition frame is stable when being overturned.
As shown in fig. 2, the lower fastening bolt system 4 includes a baffle plate 41 and a bolt mounting frame 44 arranged on the transverse base 1, the baffle plate 41 is located between the support main body 3 and the bolt mounting frame 44, a gap is left between the support main body 3 and the baffle plate 41, a backing plate 42 is arranged between the support main body 3 and the baffle plate 41, and a set of bolt connecting holes 43 is arranged on the baffle plate 41; the bolt installation frame 44 is characterized in that a connecting nut 46 is welded on the inner side of the inner side wall, bolt installation holes 47 are formed in the corresponding positions of the inner side wall and the outer side wall and the connecting nut 46, the bolts 45 sequentially penetrate through the bolt installation holes 47 of the outer side wall, the connecting nuts 46, the bolt installation holes 47 of the inner side wall and the bolt connection holes 43 of the baffle plates 41, the end heads of the bolts 45 abut against the backing plate 42, and the bolts 45 fix the precast concrete exterior wall cladding on the support main body 3 through the backing.
As shown in fig. 3, the upper fastening bolt system 5 includes a screw rod 51, the screw rod 51 is inserted into the adjusting slide hole 33a of the long hole vertical beam 33 from inside to outside, a positioning plate 53 is provided at the outer end, a gasket 55 and a nut 54 are sequentially provided at both ends of the screw rod 51 from inside to outside, the positioning plate 53 is located inside the gasket 55, both ends of the screw rod 51 are screwed and fixed by the gasket 55 and the nut 54, and the precast concrete cladding panel placed on the conversion frame is fixed in the space formed by the positioning plate 53 and the third side 3e or the fourth side 3 f. The screw 51 is further provided with a seamless cylindrical steel pipe 52, the seamless cylindrical steel pipe 52 is located between the positioning plate 53 and the supporting main body 3, the seamless cylindrical steel pipe 52 can provide small-amplitude sliding of plates in the overturning process, the precast concrete exterior wall hanging plate is not prone to damage when in contact with the precast concrete exterior wall hanging plate, and the thickness of the seamless cylindrical steel pipe 52 is smaller than or equal to that of the precast concrete exterior wall hanging plate.
Each part of the utility model is welded by channel steels with different specifications, such as a ladder stand and a handrail which are welded by steel bars; the hanging beam, the baffle plate and the base plate are all formed by punching steel plates; the transverse base 1 and the vertical base 2 mainly have the shelf body placing stability, the size ratio is not more than 3:1, and an angle of 90 degrees is formed when the transverse base and the vertical base are welded with the support main body 3; after each part is installed, the whole frame body is coated with paint, and then the rubber pad is fixed at the contact part of the whole frame body and the PC board and the baffle plate and the base plate of the fastening system, so that the pollution and the damage of the board can be effectively prevented; the utility model discloses a lower part fastening bolt system 4 and upper portion fastening bolt system 5's quantity is installed according to the selection of panel size.
The conversion frame of the utility model is suitable for all vertical boards with less than 10 tons and vertical special-shaped boards with simple structure; the supporting point of the base is always not away from the ground during hoisting conversion, so that the hoisting device is safe and reliable, and has low requirement on hoisting equipment.
As shown in the figure, the utility model discloses precast concrete exterior wall cladding vertical and horizontal conversion method based on conversion frame, including following step:
1) determining the size of the conversion frame according to the size of the project precast concrete outer wall hanging plate, and preparing and assembling the conversion frame;
2) transporting the conversion frame and the precast concrete exterior wall cladding to be hoisted in the step 1) to an installation area, and horizontally placing the conversion frame within the hoisting equipment hoisting range, namely, enabling the horizontal base 1 to be in contact with the ground;
3) the prefabricated concrete exterior wall cladding is transversely arranged on the transport vehicle, the prefabricated concrete exterior wall cladding is lifted to the position above the transversely arranged conversion frame through a transverse lifting point of the prefabricated concrete exterior wall cladding, and the prefabricated concrete exterior wall cladding is slowly arranged on the conversion frame through the assistance of an installer; the plane of the precast concrete exterior wall cladding plate is abutted against the third side 3e or the fourth side 3f of the frame body supporting main body, the long side is positioned on the transverse base 1, the short side is abutted against the vertical base 2, the transverse hoisting point of the precast concrete exterior wall cladding plate is positioned above the transverse base 1, the vertical hoisting point is positioned on one side of the top surface 3c, and the hoisting operation is facilitated;
4) according to the thickness and height of the precast concrete exterior wall hanging plate, an installer fixes the precast concrete exterior wall hanging plate on a frame body by adjusting the lower fastening bolt system 4 and the upper fastening bolt system 5, so that the upper part of the precast concrete exterior wall hanging plate is positioned between the supporting main body 3 and the positioning plate 53, the upper part of the precast concrete exterior wall hanging plate is fixed by screwing the nut 54, the lower part of the precast concrete exterior wall hanging plate is positioned between the supporting main body 3 and the backing plate 42, then the precast concrete exterior wall hanging plate is screwed into the baffle plate 41 by the bolt 45, the backing plate 42 is pushed to abut against the precast concrete exterior wall hanging plate for limiting and fixing, after the fixing operation is finished, the installer unloads a transverse hanging point of the precast concrete exterior wall hanging plate, and the contact part of the precast concrete;
5) according to the actual requirement, if two precast concrete exterior wall cladding panels are hoisted at the same time, the steps 1-4 can be repeated to fix the second precast concrete exterior wall cladding panel on the other side of the frame body;
6) after the conversion frame and the exterior wall cladding are fixed, selecting a proper lifting point hole 71 on the hanging beam 7 to lift the conversion frame and the exterior wall cladding together, converting the conversion frame from horizontal placement to vertical placement, wherein in the lifting process, the joint of the horizontal base 1 and the vertical base 2 of the conversion frame does not leave the ground, when the frame body is erected at 75-85 degrees, the hoisting equipment is forbidden to be stable for a while until the frame body is stable, and after the frame body is stable, the conversion frame body is slowly lifted or swung, so that the forward impact instability of the conversion frame body is prevented;
7) when the vertical base 2 of the frame body stably falls on the ground, an installer climbs the manned crawling ladder 8 to finish the hook unloading of the hanging point hole 71 and finish the connection of the steel wire rope and the vertical hanging point of the precast concrete exterior wall hanging plate, meanwhile, hoisting equipment operates to tighten the steel wire rope, and meanwhile, the installer removes the lower fastening bolt system 4 and the upper fastening bolt system 5;
8) after all the components are ready, the installer withdraws from the safe distance for hoisting, and the hoisting operation of the exterior wall cladding can be started;
9) after the precast concrete exterior wall cladding on the conversion frame is hung away, the frame body is moved or overturned to be transversely placed through hoisting equipment, and the steps are repeated until all the precast concrete exterior wall cladding is hoisted.
Claims (9)
1. A conversion frame for vertical and horizontal conversion of a precast concrete exterior wall cladding comprises a horizontal base (1), a vertical base (2) and a supporting main body (3), and is characterized in that the horizontal base (1) and the vertical base (2) are respectively welded on a first side surface (3 a) and a bottom surface (3 b) of the supporting main body (3), a hanging beam (7) is arranged on a top surface (3 c) of the supporting main body (3), a boarding ladder (8) and a safety handrail (6) are arranged on a second side surface (3 d), the safety handrail (6) is positioned on at least one side of the boarding ladder (8), a group of lower fastening bolt systems (4) are respectively arranged on two side surfaces of the horizontal base (1) at intervals, upper fastening bolt systems (5) are respectively arranged on a third side surface (3 e) and a fourth side surface (3 f) of the supporting main body (3), and when the precast concrete exterior wall cladding is placed on the supporting main body (3), fixed by a lower fastening bolt system (4) and an upper fastening bolt system (5) and then hoisted.
2. The precast concrete exterior wall cladding longitudinal and transverse conversion frame according to claim 1, it is characterized in that the supporting main body (3) comprises two supporting frames formed by connecting an outer frame beam (31) and a cross beam (32), each supporting frame is provided with a group of long hole vertical beams (33) in parallel, the long hole vertical beams (33) are parallel to the cross beam (32), the utility model discloses a long hole vertical beam's structure, including slot hole vertical beam (33), upper portion fastening bolt system (5), upper and lower, become 5 jiaos of symmetry setting about, between two braced frames about, respectively, appear under the narrow width, the narrow wide structure in the left side, go up the leptoprosopy and be second side (3 d), under the wide face be first side (3 a), the narrow face in the left side is top surface (3 c), the wide face in the right side is bottom surface (3 b), hanging beam (7) set up between two braced frame's of top surface (3 c) crossbeam.
3. The precast concrete exterior wall cladding longitudinal and transverse conversion frame of claim 2, characterized in that the upper fastening bolt system (5) comprises a screw (51), the screw (51) penetrates through the adjusting slide hole (33 a) of the long hole vertical beam (33) from inside to outside, the outer end is provided with a positioning plate (53), two ends of the screw (51) are sequentially provided with a gasket (55) and a nut (54) from inside to outside, the positioning plate (53) is positioned on the inner side of the gasket (55), two ends of the screw (51) are screwed and fixed by the gasket (55) and the nut (54), and the precast concrete exterior wall cladding placed on the conversion frame is fixed in a space formed by the positioning plate (53) and the third side surface (3 e) or the fourth side surface (3 f).
4. The precast concrete exterior wall cladding longitudinal and transverse conversion frame according to claim 2, characterized in that the lower fastening bolt system (4) comprises a baffle plate (41) and a bolt mounting frame (44) which are arranged on the transverse base (1), the baffle plate (41) is positioned between the support main body (3) and the bolt mounting frame (44), a gap is left between the support main body (3) and the baffle plate (41), a backing plate (42) is arranged between the support main body (3) and the baffle plate (41), and a group of bolt connecting holes (43) are arranged on the baffle plate (41); bolt installation frame (44) inside wall inboard welding is equipped with coupling nut (46), and interior, outside wall correspond the position with coupling nut (46) and are equipped with bolt mounting hole (47), bolt (45) pass bolt mounting hole (47) of outside wall in proper order, coupling nut (46), bolt mounting hole (47) and bolt connection hole (43) of baffle (41) of inside wall, and the end supports backing plate (42), and bolt (45) are fixed precast concrete exterior wall cladding on supporting subject (3) through backing plate (42).
5. The transition frame for vertical and horizontal transition of a precast concrete exterior wall cladding panel according to claim 2, characterized in that a diagonal brace (34) is arranged between the long hole vertical beam (33) and the cross beam (32).
6. The transition frame for the longitudinal and transverse transition of the precast concrete exterior wall cladding according to claim 3, characterized in that the screw rod (51) is further sleeved with a seamless cylindrical steel pipe (52) with a corresponding aperture, and the seamless cylindrical steel pipe (52) is positioned at the inner side of the positioning plate (53).
7. The transition frame for vertical and horizontal transition of a precast concrete exterior wall cladding according to any one of claims 1 to 5, characterized in that rubber gaskets are provided on the third side surface (3 e) and the fourth side surface (3 f) of the support main body (3) for protecting the precast concrete exterior wall cladding.
8. The conversion frame for vertical and horizontal conversion of the precast concrete exterior wall cladding according to any one of claims 1-5, characterized in that a row of hoisting point holes (71) are arranged on the hoisting beam (7), and the hoisting points are selected according to actual conditions during hoisting, so that the conversion frame is ensured to be stable during overturning.
9. The precast concrete exterior wall cladding longitudinal and transverse conversion frame according to claim 3, wherein the screw rod (51) is further provided with a seamless cylindrical steel pipe (52), and the seamless cylindrical steel pipe (52) is positioned between the positioning plate (53) and the support main body (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531940.1U CN209907972U (en) | 2019-04-18 | 2019-04-18 | Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531940.1U CN209907972U (en) | 2019-04-18 | 2019-04-18 | Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding |
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| CN209907972U true CN209907972U (en) | 2020-01-07 |
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| CN201920531940.1U Active CN209907972U (en) | 2019-04-18 | 2019-04-18 | Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219468A (en) * | 2019-04-18 | 2019-09-10 | 浙江省一建建设集团有限公司 | The switch rack and conversion method of a kind of precast concrete exterior wall cladding conversion in length and breadth |
| CN111605680A (en) * | 2020-05-28 | 2020-09-01 | 上海外高桥造船有限公司 | Assembling and hoisting platform for luxury mail carrier cabin unit |
-
2019
- 2019-04-18 CN CN201920531940.1U patent/CN209907972U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219468A (en) * | 2019-04-18 | 2019-09-10 | 浙江省一建建设集团有限公司 | The switch rack and conversion method of a kind of precast concrete exterior wall cladding conversion in length and breadth |
| CN110219468B (en) * | 2019-04-18 | 2024-04-02 | 浙江省一建建设集团有限公司 | Conversion frame and conversion method for longitudinal and transverse conversion of precast concrete exterior wall cladding |
| CN111605680A (en) * | 2020-05-28 | 2020-09-01 | 上海外高桥造船有限公司 | Assembling and hoisting platform for luxury mail carrier cabin unit |
| CN111605680B (en) * | 2020-05-28 | 2022-03-18 | 上海外高桥造船有限公司 | Assembling and hoisting platform for luxury mail carrier cabin unit |
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