CN111335561B - Stair installation construction method for fabricated building - Google Patents
Stair installation construction method for fabricated building Download PDFInfo
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- CN111335561B CN111335561B CN202010151830.XA CN202010151830A CN111335561B CN 111335561 B CN111335561 B CN 111335561B CN 202010151830 A CN202010151830 A CN 202010151830A CN 111335561 B CN111335561 B CN 111335561B
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- 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
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- 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
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Abstract
The invention relates to an assembly type building stair installation construction method, and particularly relates to an assembly type building stair installation construction lifting appliance which specifically comprises a bearing plate component, a connecting rod component, an anti-collision mechanism and a series rod component, wherein the two ends of the series rod component are connected with the bearing plate component, two connecting rod components are arranged on each bearing plate component, and two anti-collision mechanisms are also arranged on each bearing plate component.
Description
Technical Field
The invention relates to the technical field of building construction, and particularly provides an assembly type building stair installation construction method.
Background
The assembly type building is a building which is formed by transferring a large amount of field operation work in the traditional building mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall plates, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode; the assembled stair (prefabricated stair) is one of assembled building component types, and is mainly divided into a large and medium assembled stair and a small component assembled stair according to the size structure;
the prefabricated staircase can fully exert the advantages of factory manufacture, overcomes the defects that the field staircase formwork is difficult to support and the concrete pouring quality is difficult to control, has high field installation speed, greatly lightens the field labor intensity, improves the production benefit, has more standard floors, can be commonly used for the mould of the staircase, and is a component product which can embody and represent the industrialized characteristics of buildings most particularly in residential buildings.
In the installation work progress of carrying out prefabricated staircase, need carry the mounted position through the loop wheel machine with prefabricated staircase hoist, generally just simple carry out the handling through the rope, because the construction district has more workman in the construction, and the used hoist of traditional handling mode is too simple basically, and the hoist atress directly acts on stair, and the hoist reliability has certain problem, at this kind of handling operation in-process, especially will attach attention to the security of workspace.
Based on the problems, the invention provides a mounting construction method for a stair of an assembly type building.
Disclosure of Invention
In order to solve the problems, the invention provides an assembly type building stair installation construction method, and also relates to an assembly type building stair installation construction lifting appliance in the installation construction method provided by the invention, which can solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a construction method for mounting assembled building stairs specifically comprises the following steps:
s1, pre-buried pin key: accurately embedding pin keys at the mounting positions of the building stairs according to the design mounting size of the prefabricated stairs;
s2, stair lifting: hoisting the prefabricated staircase to an installation area by using a hoist through a crane;
s3, inserting a pin: aligning the stairs with the pin keys through a crane at the installation position of the stairs, aligning and inserting each pre-embedded pin key into the corresponding pin key hole on the stairs, and then lowering the stairs and unloading the sling;
s4, pouring the ladder beam: carrying out cast-in-place construction on the stair beam at the end part of the prefabricated stair, so that the prefabricated stair and the fabricated building form an integral structure;
s5, gap plugging: plugging a gap between the stair and the building wall;
s6, plugging a hanging hole: plugging a hanging hole reserved for convenient hanging;
the lifting process by using the lifting appliance in the step S2 stair lifting further comprises the following specific steps:
s21, span adjustment: adjusting the bearing plate assembly according to the position of a hanging hole reserved on the prefabricated staircase to be constructed and installed, so that the two threaded insertion rods can be inserted into the hanging hole correspondingly;
s22, inserting a hanging hole: aligning and inserting the threaded inserted rod into the lifting hole;
s23, locking and fixing: screwing the fastening block on the threaded insert rod, so that the bearing plate assembly bears and contacts the bottom end plane of the stair, and the fastening block is pressed and contacted on the stair step surface;
s24, rope connection: a rope used for hoisting on the hoisting machine is connected to each fastening block;
s25, hoisting: hoisting and transporting the prefabricated staircase to an installation area;
the assembly type building stair installation construction lifting appliance further specifically comprises a bearing plate assembly, a connecting rod assembly, anti-collision mechanisms and a series rod assembly in the process of installing and constructing the prefabricated stairs, wherein two ends of the series rod assembly are connected with the bearing plate assembly, two connecting rod assemblies are arranged on each bearing plate assembly, and two anti-collision mechanisms are further arranged on each bearing plate assembly, wherein:
the bearing plate component comprises a central bearing plate, side bearing plates symmetrically arranged on two sides of the central bearing plate and a bidirectional screw rod used for adjustment, the central bearing plate and the side bearing plates are in a channel steel shape, side sliding plates are arranged at two side ends of the central bearing plate, the end parts of the side bearing plates are provided with slot parts, the side sliding plates are correspondingly and slidably inserted into the slot parts, the bearing surface of the central bearing plate and the bearing surface of the side bearing plates are coplanar, two bearing plates are arranged at the central position of the inner side of the central bearing plate, the bidirectional screw rod is rotatably arranged on the two bearing plates, the two side bearing plates are correspondingly and threadedly connected onto two thread sections which are oppositely arranged in thread directions on the bidirectional screw rod, a position avoiding hole is formed in the bearing surface of the bearing plate, and the connecting rod component is hinged on the side bearing plates, the connecting rod component extends out of the avoiding hole and deflects to one side of the bearing surface;
anticollision mechanism includes fixed mounting and is in the inboard electric putter of avris supporting board, fixed mounting are in the stroke board, the wheel seat of electric putter output, two elastic guide subassembly and rotation are installed touch wheel on the wheel seat, electric putter output direction with the center pin of two-way screw rod is parallel, two elastic guide subassembly is connected the stroke board with between the wheel seat, the touch wheel is located and is close to the position of avris supporting board outside end.
Preferably, but the connecting rod subassembly includes screw rod and threaded connection fastening block on the screw rod, the screw rod stretches into keep away in the hole and with the avris bearing plate is articulated.
Preferably, the series connection pole subassembly includes pipe pole, two correspond the slip insert the solid pole and two one-to-one at pipe pole both ends articulate two the end of solid pole tip, the pipe pole is all seted up along its axial keyway opening from being located both sides pipe end position, the medial extremity of solid pole is equipped with the spacing key, the spacing key is followed the keyway opening slides, the both ends of pipe pole all are equipped with and block the fender ring of spacing key, end swing joint is in the lateral wall central point department of putting of central authorities' bearing board.
Preferably, the fastening block comprises a threaded pressing plate which can be screwed on the threaded inserted rod and a rope connecting block which is fixedly connected to the top end of the threaded pressing plate.
Preferably, a rectangular opening is formed in the center of the bearing surface of the central bearing plate, the opening is formed between the two bearing plates, and an adjusting hand wheel is arranged between the two bearing plates in the middle of the bidirectional screw.
Preferably, a limiting groove block is arranged at the center of the side wall of the central bearing plate, and the end head is slidably mounted in the limiting groove block.
Preferably, the elastic guide assembly comprises a guide rod and a spring sleeved on the guide rod, the guide rod is fixedly connected to the back side of the wheel seat, the guide rod is arranged on the stroke plate in a sliding mode, and the spring is fixedly connected between the stroke plate and the wheel seat.
Preferably, the bottom end surface of the central support plate is higher than the bottom end surfaces of the side support plates.
The technical scheme has the following advantages or beneficial effects:
the invention relates to a fabricated building stair installation construction lifting appliance in a fabricated building stair installation construction method, in the lifting appliance structure, two connecting rod components and two anti-collision mechanisms are assembled on a bearing plate component to form a whole, the two whole structures are connected in series through a cross connecting rod component to form a bearing bracket for lifting stairs, the stairs are placed on the bearing bracket during lifting, and the lifting acting force does not directly act on the stairs, so that the lifting reliability is greatly improved; the span of the two connecting rod assemblies can be adjusted by adjusting the bearing plate assembly, so that the two threaded insert rods can be correspondingly inserted into lifting holes of the specifically constructed and installed stairs, and the distance between the two bearing plate assemblies can be adjusted by adjusting the series rod assemblies, so that the lifting appliance provided by the invention can be universally applied to prefabricated stairs produced under different molds, the arranged anti-collision mechanism can prevent the stairs from directly colliding with a building wall in the process of stair construction and installation, and the installation and correction can be realized by contacting the building wall with the two anti-collision mechanisms on one side; in conclusion, the lifting appliance related to the method provided by the invention can be used for auxiliary lifting during the construction and installation of the prefabricated stairs, has universal applicability to the stairs produced under different molds, greatly improves the reliability of the lifting appliance, and reduces the risk during lifting operation to the greatest extent.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a flow chart of a method for installing and constructing a stairway of an assembly type building according to the present invention;
FIG. 2 is a flow chart of the specific process of step S2 stair lifting in the method for installing and constructing the assembled building stairs provided by the present invention;
FIG. 3 is a schematic perspective view of a prefabricated building stair installation construction sling according to the present invention;
FIG. 4 is a bottom view of a prefabricated building stair installation construction sling according to the present invention;
FIG. 5 is a perspective view of the assembled structure of the support plate assembly, the connecting rod assembly and the anti-collision mechanism of the present invention from one perspective;
figure 6 is a perspective view of the assembled structure of the support plate assembly, connecting rod assembly and anti-collision mechanism of the present invention from another perspective;
FIG. 7 is a bottom view of the assembled structure of the bearing plate assembly, connecting rod assembly and anti-collision mechanism of the present invention;
FIG. 8 is an enlarged partial schematic view at A of FIG. 7;
fig. 9 is a schematic broken-away view of the tandem bar assembly of the present invention.
In the figure: 1. a support plate assembly; 11. a central support plate; 111. a side slide plate; 112. a bearing plate; 113. opening a hole; 114. a limiting groove block; 12. a side supporting plate; 121. a slot section; 122. avoiding holes; 13. a bidirectional screw; 131. adjusting a hand wheel; 2. a connecting rod assembly; 21. a threaded bayonet; 22. a fastening block; 221. pressing a plate by a screw sleeve; 222. a rope connecting block; 3. an anti-collision mechanism; 31. an electric push rod; 32. a stroke plate; 33. a wheel seat; 34. an elastic guide member; 341. a guide bar; 342. a spring; 35. touching the wheel; 4. a tandem bar assembly; 41. a pipe rod; 411. a keyway opening; 412. a baffle ring; 42. a solid bar; 421. a limiting key; 43. and (4) a terminal.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to fig. 1-9, a method for installing and constructing a stairway of an assembly type building specifically comprises the following steps:
s1, pre-buried pin key: accurately embedding pin keys at the mounting positions of the building stairs according to the design mounting size of the prefabricated stairs;
s2, stair lifting: hoisting the prefabricated staircase to an installation area by using a hoist through a crane;
s3, inserting a pin: aligning the stairs with the pin keys through a crane at the installation position of the stairs, aligning and inserting each pre-embedded pin key into the corresponding pin key hole on the stairs, and then lowering the stairs and unloading the sling;
s4, pouring the ladder beam: carrying out cast-in-place construction on the stair beam at the end part of the prefabricated stair, so that the prefabricated stair and the fabricated building form an integral structure;
s5, gap plugging: plugging a gap between the stair and the building wall;
s6, plugging a hanging hole: plugging a hanging hole reserved for convenient hanging;
the lifting process by using the lifting appliance in the step S2 stair lifting further comprises the following specific steps:
s21, span adjustment: adjusting the bearing plate assembly 1 according to the position of a hanging hole reserved on the prefabricated staircase which is specifically constructed and installed, so that the two threaded insert rods 21 can be correspondingly inserted into the hanging hole;
s22, inserting a hanging hole: aligning and inserting the threaded insert rod 21 into the hanging hole;
s23, locking and fixing: the fastening block 22 is screwed on the threaded insert rod 21, so that the bearing plate component 1 is in bearing contact with the bottom end plane of the stair, and the fastening block 22 is in pressing contact with the stair step surface;
s24, rope connection: a rope for hoisting on a crane is connected to each fastening block 22;
s25, hoisting: hoisting and transporting the prefabricated staircase to an installation area;
the assembly building stair installation construction method adopting the steps S1-S6 further concretely relates to an assembly building stair installation construction lifting appliance in the process of installing and constructing the prefabricated stairs, the anti-collision device comprises a bearing plate component 1, connecting rod components 2, anti-collision mechanisms 3 and series rod components 4, wherein the two ends of the series rod components 4 are connected with the bearing plate component 1, each bearing plate component 1 is provided with two connecting rod components 2, each bearing plate component 1 is also provided with two anti-collision mechanisms 3, the assembly structures of the bearing plate component 1, the connecting rod components 2 and the anti-collision mechanisms 3 are mirror symmetry structures, the two symmetry structures are connected in series through the series rod components 4 to form a bearing bracket structure with a more stable structure, at the in-process of the stair handling of reality, whole hoist can hold up prefabricated stair is whole, wherein:
the bearing plate assembly 1 comprises a central bearing plate 11, side bearing plates 12 symmetrically arranged at two sides of the central bearing plate 11 and a bidirectional screw 13 used for adjustment, wherein the central bearing plate 11 and the side bearing plates 12 are both in a channel steel shape, side sliding plates 111 are arranged at two sides of the central bearing plate 11, the end parts of the side bearing plates 12 are provided with slot parts 121, the side sliding plates 111 are correspondingly inserted into the slot parts 121 in a sliding way, a bearing surface (a plane which is directly contacted with the bottom end surface of the prefabricated staircase during lifting) of the central bearing plate 11 is coplanar with the bearing surface of the side bearing plates 12, two bearing plates 112 are arranged at the central position of the inner side of the central bearing plate 11, the bidirectional screw 13 is rotatably arranged on the two bearing plates 112, the two bearing plates 12 are correspondingly in threaded connection with two threaded sections which are arranged on the bidirectional screw 13 in opposite thread directions, and a position avoiding hole 122 is arranged on the bearing surface of the side bearing, the connecting rod component 2 is hinged on the side supporting plate 12, and the connecting rod component 2 extends out of the avoiding hole 122 and deviates to one side of the supporting surface;
when the lifting appliance is used for lifting, because the prefabricated stairs produced by different molds have different size structures, the positions of corresponding reserved lifting holes are different, in addition, in order to facilitate the alignment and insertion of the threaded insert rods 21 into the lifting holes, the bearing plate assembly 1 generally needs to be adjusted, namely, the operation of the step S21 needs to be carried out, specifically, the adjusting hand wheel 131 is rotated to drive the two-way screw 13 to rotate, then the two-way screw 13 drives the two side bearing plates 12 to move oppositely or oppositely based on the central bearing plate 11, so that the adjustment of the distance between the two threaded insert rods 21 is realized, and the threaded insert rods 21 can be correspondingly inserted into the lifting holes; the whole bearing plate component 1 can provide the bearing effect on the stairs when the stairs are lifted.
The anti-collision mechanism 3 comprises an electric push rod 31 fixedly installed on the inner side of the side supporting plate 12 through bolts, a stroke plate 32 fixedly installed at the output end of the electric push rod 31, a wheel seat 33, two elastic guide assemblies 34 and a touch wheel 35 rotatably installed on the wheel seat 33, the output direction of the electric push rod 31 is parallel to the central axis of the bidirectional screw 13, the two elastic guide assemblies 34 are connected between the stroke plate 32 and the wheel seat 33, the two elastic guide assemblies 34 are symmetrically distributed about the electric push rod 31, each elastic guide assembly 34 comprises a guide rod 341 and a spring 342 sleeved on the guide rod 341, the guide rod 341 is fixedly connected to the back side of the wheel seat 33, the guide rod 341 is slidably arranged on the stroke plate 32, the spring 342 is fixedly connected between the stroke plate 32 and the wheel seat 33, and the touch wheel 35 is located at a position close to the.
When the pin key insertion operation of step S3 is performed, the pin key hole of the stair needs to be accurately inserted in alignment with the pin key, during the alignment process, the lifted stair is prone to be deviated, especially when the two sides of the stair face the building wall, the stair needs to be inserted between the two walls in an aligned manner, the deviated stair is prone to collide with the wall, the collision is a structural damage to the stair and the wall itself, in order to solve the problem that manual auxiliary operation and manual operation are inconvenient, during the actual lifting alignment, the touch wheel 35 can be pushed to the side of the stair by starting the electric push rod 31, on one hand, the touch wheel 35 on the same side only collides with the wall when the collision occurs, so that the direct collision between the stair and the wall is avoided, and the two elastic guide assemblies 34 can be buffered and eliminated when the collision occurs, on the other hand, the touch wheel 35 located on the same side can touch the wall body through touching, so that the wall body on the side of the stair is used as a reference, the stair can be automatically aligned to avoid deviation, and the alignment and insertion of the pin keys can be more conveniently and quickly carried out.
Further, the connecting rod assembly 2 comprises a threaded insert rod 21 and a fastening block 22 capable of being screwed on the threaded insert rod 21, the threaded insert rod 21 extends into the clearance hole 122 and is hinged with the side support plate 12, and the fastening block 22 comprises a threaded pressing plate 221 capable of being screwed on the threaded insert rod 21 and a rope connecting block 222 fixedly connected to the top end of the threaded pressing plate 221.
The prefabricated staircase can reserve the lewis hole when producing for screw-thread inserted bar 21 can alternate and pass from the lewis hole, insert the lewis hole when carrying out step S22, when step S23 locking is fixed and step S23 locking fixed operation, it is specific, aim at four screw-thread inserted bar 21 and insert in the lewis hole, then through screwing up fastening block 22, thereby make the staircase locked between supporting plate subassembly 1 and swivel nut pressure disk 221, will realize reliable fixed, and do not directly act on the staircase with the effort of handling, but directly act on the hoist, after locking, alright connecting rope has carried out the handling.
Further, the serial rod assembly 4 includes a pipe rod 41, two corresponding solid rods 42 slidably inserted into two ends of the pipe rod 41, and two end heads 43 hinged to ends of the two solid rods 42 in a one-to-one correspondence manner, the pipe rod 41 is provided with keyway openings 411 along an axial direction thereof from pipe ends located at two sides, an inner side end of the solid rod 42 is provided with a limit key 421, the limit key 421 slides along the keyway openings 411, two ends of the pipe rod 41 are respectively welded with a retaining ring 412 capable of retaining the limit key 421, the end heads 43 are movably connected to a center position of a side wall of the central support plate 11, a center position of the side wall of the central support plate 11 is provided with a limit groove block 114, and the end heads 43 are slidably mounted in the limit groove block.
Series connection pole subassembly 4 has realized the series connection of both sides structure for whole hoist has constituted complete support bracket structure, and solid bar 42 can freely slide relatively tubular pole 41, and the lewis hole is aimed at to every screw inserted bar 21 of consequently being convenient for, and end 43 directly articulates with solid bar 42, and adopts sliding connection between end 43 and the spacing groove block 114, makes the bearing face of two bearing plate subassemblies 1 can both effectively paste tightly on stair.
Furthermore, a rectangular opening 113 is formed in the center of the bearing surface of the central bearing plate 11, the opening 113 is formed between the two bearing plates 112, and an adjusting handwheel 131 is formed in the middle of the bidirectional screw 13 and is located between the two bearing plates 112.
Further, the bottom end surface of the central support plate 11 is higher than the bottom end surfaces of the side support plates 12. When the entire support plate assembly 1 is placed on the ground, the central support plate 11 is directly dropped on the ground, thereby facilitating the sliding adjustment of the side support plates 12.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. The construction method for mounting the assembled building stair specifically comprises the following steps and is characterized in that:
s1, pre-buried pin key: accurately embedding pin keys at the mounting positions of the building stairs according to the design mounting size of the prefabricated stairs;
s2, stair lifting: hoisting the prefabricated staircase to an installation area by using a hoist through a crane;
s3, inserting a pin: aligning the stairs with the pin keys through a crane at the installation position of the stairs, aligning and inserting each pre-embedded pin key into the corresponding pin key hole on the stairs, and then lowering the stairs and unloading the sling;
s4, pouring the ladder beam: carrying out cast-in-place construction on the stair beam at the end part of the prefabricated stair, so that the prefabricated stair and the fabricated building form an integral structure;
s5, gap plugging: plugging a gap between the stair and the building wall;
s6, plugging a hanging hole: plugging a hanging hole reserved for convenient hanging;
the lifting process by using the lifting appliance in the step S2 stair lifting further comprises the following specific steps:
s21, span adjustment: adjusting the bearing plate component (1) according to the position of a hanging hole reserved on a prefabricated staircase which is specifically constructed and installed, so that two threaded insert rods (21) can be correspondingly inserted into the hanging hole;
s22, inserting a hanging hole: aligning and inserting the threaded insert rod (21) into the hanging hole;
s23, locking and fixing: the fastening block (22) is screwed on the threaded insert rod (21), so that the bearing plate component (1) bears and contacts the bottom end plane of the stair, and the fastening block (22) is pressed and contacted on the stair step surface;
s24, rope connection: a rope used for hoisting on the hoisting machine is connected to each fastening block (22);
s25, hoisting: hoisting and transporting the prefabricated staircase to an installation area;
the assembly type building stair installation construction lifting appliance comprises a bearing plate assembly (1), a connecting rod assembly (2), anti-collision mechanisms (3) and a series rod assembly (4), wherein the bearing plate assembly (1) is connected to two ends of the series rod assembly (4), two connecting rod assemblies (2) are arranged on each bearing plate assembly (1), and two anti-collision mechanisms (3) are arranged on each bearing plate assembly (1), wherein:
bearing plate subassembly (1) includes that central bearing board (11), symmetry set up avris bearing board (12) of central bearing board (11) both sides and two-way screw rod (13) that are used for the regulation, central bearing board (11) with avris bearing board (12) all are the channel-section steel form, central bearing board (11) both sides end is equipped with side slide plate (111), avris bearing board (12) tip is equipped with slot part (121), side slide plate (111) correspond the slip insert in slot part (121), the bearing surface of central bearing board (11) with the bearing surface coplanar of avris bearing board (12), the inboard central point of central bearing board (11) puts and is equipped with two bearing plate (112), two-way screw rod (13) rotate and install two on bearing plate (112), two bearing side bearing board (12) correspond threaded connection on two-way screw rod (13) are screwed to two opposite screw thread sections that set up, a position avoiding hole (122) is formed in the bearing surface of the side bearing plate (12), the connecting rod assembly (2) is hinged to the side bearing plate (12), and the connecting rod assembly (2) extends out of the position avoiding hole (122) and deflects to one side of the bearing surface;
the anti-collision mechanism (3) comprises an electric push rod (31) fixedly installed on the inner side of the side supporting plate (12), a stroke plate (32) fixedly installed at the output end of the electric push rod (31), a wheel seat (33), two elastic guide assemblies (34) and a touch wheel (35) rotatably installed on the wheel seat (33), the output direction of the electric push rod (31) is parallel to the central axis of the bidirectional screw (13), the two elastic guide assemblies (34) are connected between the stroke plate (32) and the wheel seat (33), and the touch wheel (35) is located at a position close to the outer side end of the side supporting plate (12);
but connecting rod subassembly (2) include screw rod (21) and threaded connection fastening block (22) on screw rod (21), screw rod (21) stretch into keep away in hole (122) and with side support plate (12) are articulated.
2. The assembly type building stair installation construction method according to claim 1, wherein the assembly type building stair installation construction method comprises the following steps: series connection pole subassembly (4) include pipe pole (41), two correspond the slip insert solid pole (42) and two one-to-one at pipe pole (41) both ends articulate two end (43) of solid pole (42) tip, pipe pole (41) are followed and are located both sides pipe end position and all seted up along its axial keyway opening (411), the medial extremity of solid pole (42) is equipped with spacing key (421), spacing key (421) are followed keyway opening (411) slide, the both ends of pipe pole (41) all are equipped with and block retaining ring (412) of spacing key (421), end (43) swing joint is in the lateral wall central point department of central authorities bearing board (11).
3. The assembly type building stair installation construction method according to claim 1, wherein the assembly type building stair installation construction method comprises the following steps: the fastening block (22) comprises a threaded pressing plate (221) which can be in threaded connection with the threaded inserted rod (21) and a rope connecting block (222) which is fixedly connected to the top end of the threaded pressing plate (221).
4. The assembly type building stair installation construction method according to claim 1, wherein the assembly type building stair installation construction method comprises the following steps: the central position of the bearing surface of the central bearing plate (11) is provided with a rectangular opening (113), the opening (113) is positioned between the two bearing plates (112), and the middle position of the bidirectional screw (13) is provided with an adjusting hand wheel (131) positioned between the two bearing plates (112).
5. The assembly type building stair installation construction method according to claim 2, wherein the assembly type building stair installation construction method comprises the following steps: the central position of the side wall of the central bearing plate (11) is provided with a limiting groove block (114), and the end head (43) is slidably mounted in the limiting groove block (114).
6. The assembly type building stair installation construction method according to claim 1, wherein the assembly type building stair installation construction method comprises the following steps: the elastic guide assembly (34) comprises a guide rod (341) and a spring (342) sleeved on the guide rod (341), the guide rod (341) is fixedly connected to the back side of the wheel seat (33), the guide rod (341) is arranged on the stroke plate (32) in a sliding mode, and the spring (342) is fixedly connected between the stroke plate (32) and the wheel seat (33).
7. The assembly type building stair installation construction method according to claim 1, wherein the assembly type building stair installation construction method comprises the following steps: the bottom end surface of the central bearing plate (11) is higher than the bottom end surface of the side bearing plate (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010151830.XA CN111335561B (en) | 2020-03-06 | 2020-03-06 | Stair installation construction method for fabricated building |
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| CN202010151830.XA CN111335561B (en) | 2020-03-06 | 2020-03-06 | Stair installation construction method for fabricated building |
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| CN111335561A CN111335561A (en) | 2020-06-26 |
| CN111335561B true CN111335561B (en) | 2020-11-27 |
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| CN206562780U (en) * | 2017-01-13 | 2017-10-17 | 中国建筑第五工程局有限公司 | Precast stair hoisting appliance |
| CN106930484A (en) * | 2017-03-15 | 2017-07-07 | 中建三局第建设工程有限责任公司 | For the full precast stairway system and construction method of prefabricated concrete structure |
| CN206580442U (en) * | 2017-03-21 | 2017-10-24 | 中科科建集团有限公司 | A kind of hanging apparatus suitable for Assembled Building gangboard prefabricated components |
| CN207513051U (en) * | 2017-11-21 | 2018-06-19 | 浙江中成建工集团有限公司 | Precast stair bench and the connection fixed structure of terraced beam |
| CN109025291A (en) * | 2018-07-25 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of construction method of separate type precast stair |
| CN109811878A (en) * | 2019-03-18 | 2019-05-28 | 江西万和建筑科技有限公司 | The shell integrated structure of the cast-in-place coinsiding die of assembled architecture and construction method |
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2020
- 2020-03-06 CN CN202010151830.XA patent/CN111335561B/en active Active
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