CN112982853B - Steel frame connecting device for auxiliary construction of fabricated building - Google Patents
Steel frame connecting device for auxiliary construction of fabricated building Download PDFInfo
- Publication number
- CN112982853B CN112982853B CN202110261582.9A CN202110261582A CN112982853B CN 112982853 B CN112982853 B CN 112982853B CN 202110261582 A CN202110261582 A CN 202110261582A CN 112982853 B CN112982853 B CN 112982853B
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- base
- plate
- connecting device
- stair
- steel frame
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/26—Implements for finishing work on buildings for mounting staircases, e.g. tools for marking steps
Abstract
The invention relates to the technical field of building construction, in particular to a steel frame connecting device for auxiliary construction of an assembly type building, which comprises an upper laminated slab and a lower laminated slab, wherein a gap is reserved between the upper laminated slab and the lower laminated slab, and the lower ends of the upper laminated slab and the lower laminated slab are respectively provided with a group of first bases and second bases which are symmetrical in the front-back direction, and the steel frame connecting device has the advantages that: according to the invention, the distance between the left side and the right side of the stair is limited by the matching of the distance measuring beam and the limiting baffle, the end part of the stair is prevented from colliding with the laminated slab, and meanwhile, the inclined angle of the stair is accurately adjusted by the matching of the dial and the measuring rod, so that the angle when the stair is hoisted up and down smoothly passes through the gap between the laminated slabs which are distributed at intervals up and down, and the safety of stair installation is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel frame connecting device for auxiliary construction of an assembly type building.
Background
During the stair assembly type installation and construction process, the stair is required to be hoisted between a pair of laminated plates which are distributed at intervals up and down, the stair is hoisted to a high position by the traditional hoisting mode, and the assembly and installation are carried out from top to bottom.
Traditional hoist and mount stair of top-down formula need hang concrete placement's heavier stair to higher position, not only increased the danger of construction, the vibration that produces when being difficult to control stair hoist and mount simultaneously, cause the fracture easily, and when being constructed to the stair of house inside, because the space is limited, be difficult to realize top-down's hoist and mount, can only adopt the hoist and mount mode from bottom to top, and the inclination of hoist and mount mode to stair requires highly like this, cause the collision between stair tip and the superimposed sheet easily, the rocking angle of stair when needing the unsettled hoist and mount of control simultaneously, guarantee the vertical rise of stair.
Therefore, the steel frame connecting device for the auxiliary construction of the fabricated building is provided, and the problems of angle control and shaking amplitude when the stairs are hoisted from bottom to top are solved.
Disclosure of Invention
The invention aims to provide a steel frame connecting device for auxiliary construction of an assembly type building, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a steel frame connecting device for auxiliary construction of an assembly type building comprises an upper laminated plate and a lower laminated plate, wherein a gap is reserved between the upper laminated plate and the lower laminated plate, the lower ends of the upper laminated plate and the lower laminated plate are respectively provided with a set of first base and second base which are symmetrical front and back, a side plate is arranged between the first base and the second base, telescopic supporting rods are telescopically arranged at the upper ends of the first base and the second base, a sliding groove is transversely arranged in the middle of the front end surface of the side plate, a pair of distance measuring beams and a middle beam which are distributed left and right are slidably inserted into the sliding groove, a lifting rod is slidably inserted into the pair of distance measuring beams which are distributed left and right, a limit baffle is arranged at the upper end of the lifting rod, the lower end of the lifting rod extends to the lower end of the distance measuring beam, the outer wall of the upper end of the limit baffle abuts against the side surfaces of the upper laminated plate and the lower laminated plate, an open slot is arranged in the middle of the limit baffle, a loop bar is vertically arranged in an inner cavity of the open slot, a loop plate is sleeved on the outer wall of the loop bar in a sliding manner, a base plate is transversely arranged at the upper end of the loop plate, an end cover is arranged at the upper end of the base plate, and a clamping slot is arranged between the upper end of the base plate and the end cover;
the utility model discloses a measuring rod, including middle cross beam, pneumatic cylinder, bull stick, measuring rod, and measuring rod, and measuring rod, and measuring rod, and.
Preferably, a first inserting strip is arranged between two opposite side end faces of the first base and the second base which are symmetrical front and back, a connecting plate is inserted between a pair of the first inserting strips which are symmetrical front and back, and two ends of the connecting plate are connected with the pair of the first base and the second base which are symmetrical front and back.
Preferably, a second inserting strip with the same height as the first inserting strip is arranged on one side end face, opposite to the first base and the second base, of the side plate, and the left end and the right end of the side plate are vertically inserted into the inner cavity of the second inserting strip.
Preferably, the upper ends of the telescopic support rods are respectively abutted to the lower end faces of the upper laminated plate and the lower laminated plate, and the lower ends of the telescopic support rods are fixedly inserted into the inner cavities of the upper ends of the first base and the second base through locking screws.
Preferably, the front end faces of the middle cross beam and the distance measuring cross beam are provided with through holes which penetrate through the middle cross beam and the distance measuring cross beam from front to back, the front ends and the back ends of the middle cross beam and the distance measuring cross beam are provided with sliding blocks, the sliding blocks are inserted into the sliding grooves in a sliding mode, the front end of the lifting rod is provided with a penetrating groove, the penetrating groove coincides with the through holes, and double-pull screw rods are inserted into the through holes.
Preferably, a limiting strip is arranged between the lifting rod and the limiting baffle, a first spring is sleeved on the outer wall of the upper end of the lifting rod, the upper end of the first spring abuts against the limiting strip, and the lower end of the first spring abuts against the upper end face of the distance measuring beam.
Preferably, one side of the backing plate is provided with a hinged support, one end of the end cover is rotatably installed at the upper end of the hinged support, the other end of the end cover is fixed at the upper end of the backing plate through a screw, and a hanging ring is vertically arranged in the middle of the upper end face of the end cover.
Preferably, the lower end of the sleeve plate is provided with a second spring, the second spring is sleeved on the outer wall of the sleeve rod, and the second spring is pressed between the sleeve plate and the inner wall of the lower end of the open slot.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the distance between the left side and the right side of the stair is limited by the matching of the distance measuring beam and the limiting baffle, so that the end part of the stair is prevented from colliding with the laminated plates, and meanwhile, the inclined angle of the stair is accurately adjusted by the matching of the dial and the measuring rod, so that the angle when the stair is hoisted up and down smoothly passes through the gap between the laminated plates which are distributed at intervals up and down, thereby improving the safety of stair installation;
2. according to the invention, the fixing of the end part of the stair with the determined angle is realized by the matching of the base plate and the end cover, and the vertical connection of the hanging ring and the hoisting device is matched, so that the stair is kept vertically lifted in the hoisting process, the control of the shaking amplitude of the stair is achieved, the safety in the hoisting process is further improved, and the buffer protection of the falling of the stair is realized by matching the first spring and the second spring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structure of a limit stop according to the present invention;
FIG. 3 is a side view of a retainer plate of the present invention;
fig. 4 is a schematic view of the structure of the middle beam of the present invention.
In the figure: 1. laminating the plates; 2. a lower laminated plate; 3. a first base; 4. a second base; 5. a first cutting; 6. connecting plates; 7. a second slip; 8. a side plate; 9. a chute; 10. a distance measuring beam; 11. a middle cross beam; 12. a limit baffle; 13. locking the screw; 14. a telescopic support rod; 15. a base plate; 16. a lifting rod; 17. a first spring; 18. a dial scale; 19. a rotating rod; 20. an end cap; 21. hanging a ring; 22. a limiting strip; 23. a clamping groove; 24. a through hole; 25. a through groove; 26. a hydraulic cylinder; 27. an extension rod; 28. a measuring rod; 29. a threaded mounting hole; 30. hinging seat; 31. an open slot; 32. a second spring; 33. a loop bar; 34. a slider; 35. and (5) sheathing the board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
a steel frame connecting device for auxiliary construction of an assembly type building comprises an upper laminated slab 1 and a lower laminated slab 2, a gap is reserved between the upper laminated slab 1 and the lower laminated slab 2, the lower ends of the upper laminated slab 1 and the lower laminated slab 2 are respectively provided with a set of a first base 3 and a second base 4 which are symmetrical front and back, the upper ends of the first base 3 and the second base 4 are respectively provided with a telescopic supporting rod 14 in a telescopic way, the upper ends of a pair of telescopic supporting rods 14 which are symmetrical left and right respectively support the lower end surfaces of the upper laminated slab 1 and the lower laminated slab 2, the lower end of the telescopic supporting rod 14 is fixedly inserted in the inner cavities at the upper ends of the first base 3 and the second base 4 through a locking screw 13, the vertical supporting and fixing of the first base 3 and the second base 4 are realized by a pair of telescopic supporting rods 14 which are symmetrical left and right, simultaneously, the support for the upper laminated slab 1 and the lower laminated slab 2 is provided, and then downward impact during stair installation is buffered.
Be provided with curb plate 8 between first base 3 and the second base 4, be provided with first cutting 5 between two sets of first bases 3 of front and back symmetry and the relative side end face of second base 4, it has even board 6 to peg graft between a pair of first cutting 5 of front and back symmetry, a pair of first base 3 and the second base 4 of front and back symmetry are connected at the both ends of even board 6, be provided with the second cutting 7 of being as high as first cutting 5 on the relative side end face of first base 3 and second base 4, both ends are vertical pegs graft in the inner chamber of second cutting 7 about curb plate 8, utilize first cutting 5 and second cutting 7 to realize even board 6 and curb plate 8's plug-in type assembly, utilize even board 6 and curb plate 8 to realize connecting between adjacent base 2, thereby increase the holistic joint strength of support.
The middle of the front end face of the side plate 8 is transversely provided with a sliding groove 9, the sliding groove 9 is connected with a pair of distance measuring beams 10 and a middle beam 11 which are distributed in a left-right mode in a sliding and inserting mode, the front end faces of the middle beam 11 and the distance measuring beams 10 are provided with through holes 24 which penetrate through the front end and the rear end respectively, the front end and the rear end of the middle beam 11 and the distance measuring beams 10 are provided with sliders 34, the sliders 34 are connected in the sliding and inserting mode in the sliding groove 9 in a sliding mode, the front end of the lifting rod 16 is provided with a penetrating groove 25, the penetrating groove 25 coincides with the through holes 24, double-pull screw rods are connected in the through holes 24 in an inserting mode, the adjusting of the gap distance between the pair of distance measuring beams 10 distributed in the left-right mode is achieved through the through holes 24, the penetrating groove 25 is matched with the double-pull screw rods, and the positions of the distance measuring beams 10 and the middle beam 11 are fixed.
A pair of range finding crossbeam 10 that distributes about slides and pegs graft and have lifter 16, and the upper end of lifter 16 is provided with limit baffle 12, and limit baffle 12's upper end outer wall supports on last superimposed sheet 1 and superimposed sheet 2's side down, utilizes limit baffle 12 to realize prescribing a limit to the left and right sides distance of stair, prevents the tip and the superimposed sheet collision of stair.
The rear side of the upper end face of the middle cross beam 11 is provided with a hydraulic cylinder 26, the upper end portion of the hydraulic cylinder 26 is provided with a dial 18, a rotating rod 19 is installed in the middle of the dial 18 in a rotating mode, a pair of extension rods 27 are symmetrically arranged on the outer wall of the rotating rod 19, a threaded mounting hole 29 is formed in the end portion of the front end face of each extension rod 27, a measuring rod 28 is installed in each threaded mounting hole 29 in a transverse inserting mode, the measuring rod 28 is attached to the left end face and the right end face of a stair in a fitting mode, the inclined angle can be clearly expressed through the dial 18, and the inclined angle of the stair can be accurately adjusted conveniently.
An open slot 31 is arranged in the middle of the limit baffle 12, a loop bar 33 is vertically arranged in the inner cavity of the open slot 31, a loop plate 35 is sleeved on the outer wall of the loop bar 33 in a sliding manner, a backing plate 15 is transversely arranged at the upper end of the loop plate 35, an end cover 20 is arranged at the upper end of the backing plate 15, a clamping groove 23 is arranged between the upper end of the backing plate 15 and the end cover 20, a hinged support 30 is arranged at one side of the backing plate 15, one end of the end cover 20 is rotatably arranged at the upper end of the hinged support 30, the other end of the end cover 20 is fixed at the upper end of the backing plate 15 through a screw, a hanging ring 21 is vertically arranged in the middle of the upper end face of the end cover 20, the backing plate 15 and the end cover 20 are rotatably matched, so that the clamping groove 23 is used for fixedly clamping the left end part and the right end part of the stair, the purpose of limiting the end part swing amplitude of the stair is achieved, meanwhile, the hanging ring 21 is vertically connected with a hoisting device, so that the stair keeps vertical lifting of the stair during the hoisting process of the stair, the control of the stair, the stair swing amplitude of the stair is achieved, further improving the safety in the hoisting process.
The lower extreme of lifter 16 extends to the lower extreme of range finding crossbeam 10, be provided with spacing 22 between lifter 16 and the limit baffle 12, first spring 17 has been cup jointed to the upper end outer wall of lifter 16, the upper end of first spring 17 supports on spacing 22, the lower extreme of first spring 17 supports the up end at range finding crossbeam 10, the lower extreme of lagging 35 is provided with second spring 32, second spring 32 cup joints the outer wall at lagging 33, second spring 32 pressfitting is between the lower extreme inner wall of lagging 35 and open slot 31, when stair dropped, utilize second spring 32 and first spring 17 to realize carrying out hierarchical buffering to the stair that drops, thereby reduce the gravity impact when stair fall, reach the mesh that reduces accident hazard.
The working principle is as follows: at first, utilize bilateral symmetry's a pair of flexible bracing piece 14 to realize that first base 3 and second base 4's vertical support is fixed, provide simultaneously to superimposed sheet 1 and lower superimposed sheet 2's support, and then decurrent impact when buffering stair installation, utilize first cutting 5 and second cutting 7 to realize even board 6 and curb plate 8's plug-in type assembly installation, utilize even board 6 and curb plate 8 to realize the connection between adjacent base 2 to increase the holistic joint strength of support.
The adjustment of the gap distance between a pair of distance measuring beams 10 distributed on the left and right is realized by the matching of the slide block 34 and the sliding groove 9, the fixation of the positions of the distance measuring beams 10 and the middle beam 11 is realized by the matching of the through hole 24, the through groove 25 and the double-pull screw rod, the limitation of the distance between the left side and the right side of the stair is realized by the limit baffle 12, the collision of the end part of the stair and the laminated plate is prevented, the inclination angle is clearly expressed by the scale disc 18 by the joint of the measuring rod 28 and the left end and the right end of the stair, the accurate adjustment of the inclination angle of the stair is convenient, the fixed clamping of the left end and the right end of the stair is realized by the rotary matching of the backing plate 15 and the end cover 20 by the clamping groove 23, the purpose of limiting the swing range of the end part of the stair is realized, meanwhile, the vertical connection of the hanging ring 21 and the hoisting device is utilized, so that the stair keeps vertical lifting in the hoisting process, the control to the stair amplitude of rocking has been reached, further improves the security of hoist and mount in-process, and when stair dropped, utilize second spring 32 and first spring 17 to realize carrying out hierarchical buffering to the stair that drop to gravity impact when reducing stair whereabouts reaches the purpose that reduces accident harm.
The hydraulic cylinder 26 has the following models: MOB series of standard hydraulic rams.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a steelframe connecting device that construction was used is assisted to assembly type structure, includes superimposed sheet (1) and superimposed sheet (2) down, its characterized in that: the distance measuring device is characterized in that a gap is left between the upper laminated plate (1) and the lower laminated plate (2), the lower ends of the upper laminated plate (1) and the lower laminated plate (2) are respectively provided with a group of first base (3) and a second base (4) which are symmetrical front and back, a side plate (8) is arranged between the first base (3) and the second base (4), the upper ends of the first base (3) and the second base (4) are respectively provided with a telescopic supporting rod (14), the middle of the front end surface of the side plate (8) is transversely provided with a sliding chute (9), a pair of distance measuring beams (10) and a middle beam (11) which are distributed left and right are slidably inserted on the sliding chute (9), a pair of distance measuring beams (10) which are distributed left and right are slidably inserted on the distance measuring beams (10) and are provided with a lifting rod (16), the upper end of the lifting rod (16) is provided with a limit baffle (12), and the lower end of the lifting rod (16) extends to the lower end of the distance measuring beams (10), the outer wall of the upper end of the limiting baffle (12) abuts against the side faces of the upper laminated slab (1) and the lower laminated slab (2), an open groove (31) is formed in the middle of the limiting baffle (12), a loop bar (33) is vertically arranged in an inner cavity of the open groove (31), a loop plate (35) is sleeved on the outer wall of the loop bar (33) in a sliding mode, a backing plate (15) is transversely arranged at the upper end of the loop plate (35), an end cover (20) is arranged at the upper end of the backing plate (15), and a clamping groove (23) is formed between the upper end of the backing plate (15) and the end cover (20);
the utility model discloses a measuring rod, including middle crossbeam (11), the up end rear side of middle beam (11) is provided with pneumatic cylinder (26), the upper end tip of pneumatic cylinder (26) is provided with calibrated scale (18), bull stick (19) are installed in the centre of calibrated scale (18) rotation, the outer wall symmetry of bull stick (19) is provided with a pair of extension rod (27), the preceding terminal surface tip of extension rod (27) is provided with screw thread mounting hole (29), horizontal grafting is installed measuring stick (28) in screw thread mounting hole (29).
2. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: first inserting strips (5) are arranged between two opposite side end faces of the first base (3) and the second base (4) which are symmetrical in the front-back direction, a connecting plate (6) is inserted between the first inserting strips (5) which are symmetrical in the front-back direction, and two ends of the connecting plate (6) are connected with the first base (3) and the second base (4) which are symmetrical in the front-back direction.
3. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: a second inserting strip (7) with the same height as the first inserting strip (5) is arranged on one side end face, opposite to the first base (3) and the second base (4), of the side plate (8), and the left end and the right end of the side plate are vertically inserted into an inner cavity of the second inserting strip (7).
4. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: the upper ends of a pair of bilaterally symmetrical telescopic support rods (14) are respectively abutted to the lower end faces of the upper laminated plate (1) and the lower laminated plate (2), and the lower ends of the telescopic support rods (14) are fixedly inserted into the inner cavities of the upper ends of the first base (3) and the second base (4) through locking screws (13).
5. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: the front end faces of the middle cross beam (11) and the ranging cross beam (10) are provided with through holes (24) which penetrate through the middle cross beam in the front and back direction, the front end face and the back end face of the middle cross beam (11) and the ranging cross beam (10) are provided with sliding blocks (34), the sliding blocks (34) are inserted into the sliding grooves (9) in a sliding mode, the front end of the lifting rod (16) is provided with penetrating grooves (25), the penetrating grooves (25) coincide with the through holes (24), and double-pull screw rods are inserted into the through holes (24).
6. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: be provided with between lifter (16) and limit baffle (12) spacing strip (22), first spring (17) have been cup jointed to the upper end outer wall of lifter (16), the upper end of first spring (17) is supported on spacing strip (22), and the lower extreme of first spring (17) is supported the up end at range finding crossbeam (10).
7. The steel frame connecting device for auxiliary construction of the fabricated building according to claim 1, wherein: one side of backing plate (15) is provided with free bearing (30), the one end of end cover (20) is rotated and is installed in the upper end of free bearing (30), and the other end of end cover (20) passes through the fix with screw in the upper end of backing plate (15), vertically is provided with link (21) in the middle of the up end of end cover (20).
8. The steel frame connecting device for the auxiliary construction of the fabricated building according to claim 1, wherein: the lower end of the sleeve plate (35) is provided with a second spring (32), the second spring (32) is sleeved on the outer wall of the sleeve rod (33), and the second spring (32) is pressed between the sleeve plate (35) and the inner wall of the lower end of the open groove (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110261582.9A CN112982853B (en) | 2021-03-10 | 2021-03-10 | Steel frame connecting device for auxiliary construction of fabricated building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110261582.9A CN112982853B (en) | 2021-03-10 | 2021-03-10 | Steel frame connecting device for auxiliary construction of fabricated building |
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| CN112982853A CN112982853A (en) | 2021-06-18 |
| CN112982853B true CN112982853B (en) | 2022-06-03 |
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| CN114575737B (en) * | 2022-03-21 | 2023-07-11 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in assembled structural construction |
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| CN110805284A (en) * | 2019-11-19 | 2020-02-18 | 王柏彰 | Prefabricated member installation construction equipment for prefabricated reinforced concrete of prefabricated building |
| CN211173161U (en) * | 2019-08-28 | 2020-08-04 | 天津中匠建筑科技有限公司 | Prefabricated assembled concrete stair installation mechanism |
| CN111532964A (en) * | 2020-03-20 | 2020-08-14 | 唐云 | Hoisting mechanism for prefabricated part of prefabricated building and working method thereof |
| CN111550023A (en) * | 2020-05-18 | 2020-08-18 | 杜书影 | Construction method for mounting and fixing building prefabricated part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2368041B (en) * | 2000-10-17 | 2004-04-21 | Intelligent Engineering | Sandwich plate stepped risers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209692264U (en) * | 2019-05-16 | 2019-11-26 | 浙江英得特电器有限公司 | A kind of cable transferring head installation corrector |
| CN211173161U (en) * | 2019-08-28 | 2020-08-04 | 天津中匠建筑科技有限公司 | Prefabricated assembled concrete stair installation mechanism |
| CN110805284A (en) * | 2019-11-19 | 2020-02-18 | 王柏彰 | Prefabricated member installation construction equipment for prefabricated reinforced concrete of prefabricated building |
| CN111532964A (en) * | 2020-03-20 | 2020-08-14 | 唐云 | Hoisting mechanism for prefabricated part of prefabricated building and working method thereof |
| CN111550023A (en) * | 2020-05-18 | 2020-08-18 | 杜书影 | Construction method for mounting and fixing building prefabricated part |
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