CN216740449U

CN216740449U - Connecting structure for upper connecting part of prefabricated staircase

Info

Publication number: CN216740449U
Application number: CN202220080808.5U
Authority: CN
Inventors: 许立; 戴辰阳; 赵亚鹏; 程明蔚; 陈明
Original assignee: China Railway 11th Bureau Group Construction and Installation Engineering Co Ltd
Current assignee: China Railway 11th Bureau Group Construction and Installation Engineering Co Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-14
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to the technical field of prefabricated staircase connection, in particular to a connecting part connecting structure on a prefabricated staircase, which comprises the prefabricated staircase, a floor slab, a first embedded connecting piece and a second embedded connecting piece, wherein the floor slab is arranged on one side of the top end of the prefabricated staircase, and the floor slab and the prefabricated staircase are fixedly connected through a first embedded connecting piece and a second embedded connecting piece, meanwhile, the first embedded connecting piece comprises a first embedded component, a first fixing component, a first adjusting component and a first adjusting mechanism, meanwhile, the second embedded connecting piece comprises a second embedded component, a second fixing component, a second adjusting component and a second adjusting mechanism, so that the rapid installation and connection of the prefabricated staircase can be realized, meanwhile, the stability is good, the flatness of the outer surface of the embedded part can be guaranteed, leveling is not needed, meanwhile, adjustment can be carried out according to actual installation conditions, and then installation errors generated after the embedded part is embedded can be effectively overcome.

Description

Connecting structure for upper connecting part of prefabricated staircase

Technical Field

The utility model relates to the technical field of prefabricated staircase connection, in particular to a connection structure of a connection part on a prefabricated staircase.

Background

The stair is a main form of building vertical traffic, the concrete stair with only functional requirements is single in form, in the traditional cast-in-place construction process, a formwork is usually utilized for cast-in-place by means of formwork support and solidification molding, the mode needs repeated formwork support, pouring and formwork removal, and is low in efficiency and repeated, and meanwhile compared with the traditional cast-in-place stair, the prefabricated stair is high in installation efficiency and construction speed, and the characteristic of flexible assembly can be played to the greatest extent.

And the connection mode of the precast concrete stair and the main body bearing system generally has four types: support connection, bracket connection, steel bar connection, built-in fitting are connected, wherein the built-in fitting is connected and is meant prefabricated staircase and main part load system through prefabricated mode with the transmission of part internal force to pre-buried atress component on, the mode of mode such as rethread bolt connection, welding with the built-in fitting connection, but this kind of connected mode can easily make the surface flattening inadequately after the equipment, easily produces installation error after pre-buried simultaneously, and meanwhile can't realize its regulation.

Therefore, it is necessary to design a prefabricated staircase connecting part connecting structure to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting structure of a prefabricated staircase connecting part, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a prefabricated staircase goes up connecting portion joint construction, includes prefabricated staircase, floor, the pre-buried connecting piece of first pre-buried connecting piece and the pre-buried connecting piece of second, one side on prefabricated staircase top is provided with the floor, and floor and prefabricated staircase pass through the pre-buried connecting piece fixed connection of first pre-buried connecting piece and second, and first pre-buried connecting piece is including first pre-buried subassembly, first fixed subassembly, first regulating assembly and first adjustment mechanism simultaneously, and meanwhile the pre-buried connecting piece of second is including the pre-buried subassembly of second, the fixed subassembly of second, second regulating assembly and second adjustment mechanism.

As a preferable scheme of the present invention, the first pre-embedded component is fixedly installed on the rear side surface of the first fixing component, the first adjusting components are located at two ends of the first fixing component, the first adjusting component and the first fixing component are fixedly connected through the first adjusting mechanism, the second pre-embedded component is fixedly installed on the bottom surface of the second fixing component, the second adjusting components are located at two ends of the second fixing component, and the second adjusting component and the second fixing component are fixedly connected through the second adjusting mechanism.

As a preferable scheme of the present invention, the front side surface of the first embedded component is provided with first sliding grooves near both ends, the top surface of the second embedded component is provided with second sliding grooves near both ends, both end surfaces of the first fixed component are provided with first adjusting screw holes, both end surfaces of the second fixed component are provided with second adjusting screw holes, the first adjusting component and the first sliding grooves are slidably connected through the first sliding block, and the second adjusting component and the second sliding grooves are slidably connected through the second sliding block.

As a preferable scheme of the utility model, the first adjusting mechanism and the second adjusting mechanism both comprise a rotating rod and a fixed seat, the fixed seat is movably mounted at one end of the rotating rod, and an external thread is arranged at one end of the outer surface of the rotating rod, which is far away from the fixed seat.

As a preferable scheme of the utility model, one end of the rotating rod, which is close to the external thread, is in threaded connection with the first adjusting screw hole and the second adjusting screw hole, and the fixed seat is fixedly connected with the first adjusting component and the second adjusting component.

According to the preferable scheme of the utility model, a first mounting groove is formed in the top end of the prefabricated staircase close to one side face of the floor slab, a second mounting groove is formed in the bottom surface of the top end of the prefabricated staircase, the first fixing component and the second fixing component are respectively located in the first mounting groove and the second mounting groove, and meanwhile, the first embedded component and the second embedded component are both located in the floor slab.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, when the floor slab is poured, the first embedded connecting piece and the second embedded connecting piece can be embedded, and the first embedded component and the second embedded component are integrally poured and formed with the floor slab, when the prefabricated staircase is installed and connected, the top end of the prefabricated staircase can be directly positioned at the tops of the first embedded connecting piece and the second embedded connecting piece and is pressed downwards until the first fixing component and the first adjusting component penetrate through the inside of the first mounting groove, and the second fixing component and the second adjusting component are positioned inside the second mounting groove, so that the rapid installation and connection of the prefabricated staircase can be realized, the stability is good, the flatness of the outer surface after installation can be ensured, leveling is not needed, and the distance between the first adjusting component and the first fixing component as well as the distance between the second adjusting component and the second fixing component can be adjusted through the first adjusting mechanism and the second adjusting mechanism, therefore, the installation error generated after the embedded part is embedded can be effectively overcome by adjusting according to the actual installation condition.

2. According to the utility model, the first sliding groove, the first sliding block, the second sliding groove and the second sliding block are arranged, so that the first adjusting assembly and the second adjusting assembly can be more stable and reliable in adjustment, and meanwhile, the rotating rod can be directly rotated to stretch in the first adjusting screw hole and the second adjusting screw hole, so that the mechanical adjustment of the first adjusting assembly and the second adjusting assembly is realized, and the stability and the reliability of the adjusting device are further improved.

Drawings

FIG. 1 is a schematic view of the overall top perspective external structure of the present invention;

FIG. 2 is a schematic view of the overall top-down expanded perspective structure of the present invention;

fig. 3 is a schematic view of a top-view enlarged structure of the first embedded connecting member in the present invention;

fig. 4 is a schematic top perspective enlarged structure view of a second embedded connecting member in the present invention;

fig. 5 is a schematic view of a top-down perspective enlarged structure of the embedded component in the utility model;

FIG. 6 is a schematic top perspective view of the fixing assembly of the present invention;

FIG. 7 is a schematic top perspective view of an enlarged adjustment assembly according to the present invention;

FIG. 8 is a schematic top perspective view of an enlarged adjustment mechanism according to the present invention;

in the figure: 1. prefabricating a stair; 11. a first mounting groove; 12. a second mounting groove; 2. a floor slab; 3. a first pre-buried connecting piece; 31. a first pre-buried assembly; 311. a first chute; 32. a first fixed component; 321. a first adjusting screw hole; 33. a first adjustment assembly; 331. a first slider; 34. a first adjustment mechanism; 4. a second pre-buried connecting piece; 41. a second pre-buried component; 411. a second chute; 42. a second fixed component; 421. a second adjusting screw hole; 43. a second adjustment assembly; 431. a second slider; 44. a second adjustment mechanism; 5. a rotating rod; 6. a fixed seat; 7. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Please refer to fig. 1-8, which illustrate a technical solution of the present invention:

a connecting structure on a prefabricated staircase comprises a prefabricated staircase 1, a floor slab 2, a first pre-embedded connecting piece 3 and a second pre-embedded connecting piece 4, wherein the floor slab 2 is arranged on one side of the top end of the prefabricated staircase 1, the floor slab 2 and the prefabricated staircase 1 are fixedly connected through the first pre-embedded connecting piece 3 and the second pre-embedded connecting piece 4, the first pre-embedded connecting piece 3 comprises a first pre-embedded component 31, a first fixing component 32, a first adjusting component 33 and a first adjusting mechanism 34, the second pre-embedded connecting piece 4 comprises a second pre-embedded component 41, a second fixing component 42, a second adjusting component 43 and a second adjusting mechanism 44, when the floor slab 2 is poured, the first pre-embedded connecting piece 3 and the second pre-embedded connecting piece 4 can be pre-embedded, the first pre-embedded component 31 and the second pre-embedded component 41 are integrally poured with the floor slab 2, when the prefabricated staircase 1 is installed and connected, can be directly be located first pre-buried connecting piece 3 with 1 top of prefabricated staircase, the top of the pre-buried connecting piece 4 of second, and press down prefabricated staircase 1, run through the inside of first mounting groove 11 until first fixed subassembly 32 and first adjusting part 33, the inside that second fixed subassembly 42 and second adjusting part 43 are located second mounting groove 12, can realize the quick erection joint of prefabricated staircase 1, simultaneously not only the steadiness is good, still can guarantee the roughness of installation back surface, need not to make level, meanwhile, first adjustment mechanism 34 through setting up, second adjustment mechanism 44 can be to first adjusting part 33 and first fixed subassembly 32, the distance between second adjusting part 43 and the second fixed subassembly 42 is adjusted, thereby adjust according to the actual installation condition, and then can effectually overcome the installation error that produces after the built-in fitting is pre-buried.

In an embodiment, referring to fig. 3, 4, 5, 6, 7 and 8, the first pre-embedded component 31 is fixedly installed on the rear side surface of the first fixing component 32, the first adjusting component 33 is located at two ends of the first fixing component 32, the first adjusting component 33 and the first fixing component 32 are fixedly connected through the first adjusting mechanism 34, the second pre-embedded component 41 is fixedly installed on the bottom surface of the second fixing component 42, the second adjusting component 43 is located at two ends of the second fixing component 42, and the second adjusting component 43 and the second fixing component 42 are fixedly connected through the second adjusting mechanism 44; the front side surface of the first embedded component 31 is provided with first sliding grooves 311 near two ends, the top surface of the second embedded component 41 is provided with second sliding grooves 411 near two ends, the two end surfaces of the first fixed component 32 are provided with first adjusting screw holes 321, the two end surfaces of the second fixed component 42 are provided with second adjusting screw holes 421, meanwhile, the first adjusting component 33 is connected with the first sliding grooves 311 in a sliding mode through a first sliding block 331, and meanwhile, the second adjusting component 43 is connected with the second sliding grooves 411 in a sliding mode through a second sliding block 431; the first adjusting mechanism 34 and the second adjusting mechanism 44 both comprise a rotating rod 5 and a fixed seat 6, the fixed seat 6 is movably installed at one end of the rotating rod 5, and meanwhile, an external thread 7 is arranged at one end, far away from the fixed seat 6, of the outer surface of the rotating rod 5; one end of the rotating rod 5 close to the external thread 7 is in threaded connection with a first adjusting screw hole 321 and a second adjusting screw hole 421, and the fixed seat 6 is fixedly connected with the first adjusting component 33 and the second adjusting component 43; first mounting groove 11 has been seted up near 2 a side of floor to prefabricated stair 1 top, and second mounting groove 12 has been seted up to prefabricated stair 1 top bottom surface, first fixed subassembly 32 simultaneously, the fixed subassembly 42 of second is located first mounting groove 11 respectively, the inside of second mounting groove 12, meanwhile first pre-buried subassembly 31 and the pre-buried subassembly 41 of second all are located the inside of floor 2, first spout 311 through setting up, first slider 331, second spout 411 and second slider 431 can make first adjusting part 33, it is more stable when second adjusting part 43 adjusts, and is reliable, simultaneously can directly rotate bull stick 5 and realize first adjusting part 33 at the flexible inside of first adjusting screw 321 and second adjusting screw 421, the mechanical regulation of second adjusting part 43, further promote its stability, and reliability.

The working principle is as follows: when the floor slab 2 is poured, the first embedded connecting piece 3 and the second embedded connecting piece 4 can be embedded, the first embedded component 31 and the second embedded component 41 are integrally poured and formed with the floor slab 2, when the prefabricated staircase 1 is installed and connected, the top end of the prefabricated staircase 1 can be directly positioned at the tops of the first embedded connecting piece 3 and the second embedded connecting piece 4 and can be pressed downwards to the prefabricated staircase 1 until the first fixing component 32 and the first adjusting component 33 penetrate through the inside of the first installation groove 11, the second fixing component 42 and the second adjusting component 43 are positioned inside the second installation groove 12, the prefabricated staircase 1 can be quickly installed and connected, meanwhile, the stability is good, the flatness of the outer surface after installation can be guaranteed, leveling is not needed, and meanwhile, the first adjusting mechanism 34 and the second adjusting mechanism 44 can be used for aligning the first adjusting component 33 and the first fixing component 32, The distance between second adjusting part 43 and the fixed subassembly 42 of second is adjusted, thereby adjust according to actual installation condition, and then can effectually overcome the installation error that the built-in fitting produced after pre-buried, and first spout 311 through setting up, first slider 331, second spout 411 and second slider 431 can make first adjusting part 33, second adjusting part 43 is more stable when adjusting, reliable, simultaneously can directly rotate bull stick 5 and realize first adjusting part 33 at the inside of first adjusting screw 321 and second adjusting screw 421 is flexible, the mechanical regulation of second adjusting part 43, further promote its stability, the reliability, there is certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prefabricated staircase goes up connecting portion joint construction, includes prefabricated staircase (1), floor (2), first pre-buried connecting piece (3) and second pre-buried connecting piece (4), its characterized in that: one side on prefabricated stair (1) top is provided with floor (2), and floor (2) and prefabricated stair (1) are through first pre-buried connecting piece (3) and the pre-buried connecting piece of second (4) fixed connection, and first pre-buried connecting piece (3) are including first pre-buried subassembly (31), first fixed subassembly (32), first adjusting part (33) and first adjustment mechanism (34) simultaneously, and meanwhile pre-buried connecting piece of second (4) is including pre-buried subassembly of second (41), the fixed subassembly of second (42), second adjusting part (43) and second adjustment mechanism (44).

2. A prefabricated staircase connecting part connecting structure as defined in claim 1, wherein: first pre-buried subassembly (31) fixed mounting is in the trailing flank of first fixed subassembly (32), and first adjusting part (33) are located the both ends of first fixed subassembly (32), and first adjusting part (33) and first fixed subassembly (32) are through first adjustment mechanism (34) fixed connection simultaneously, and pre-buried subassembly of second (41) fixed mounting is in the bottom surface of the fixed subassembly of second (42), and second adjusting part (43) are located the both ends of the fixed subassembly of second (42) simultaneously, and meanwhile second adjusting part (43) and the fixed subassembly of second (42) are through second adjustment mechanism (44) fixed connection.

3. A prefabricated staircase connecting part connecting structure as defined in claim 1, wherein: first pre-buried subassembly (31) leading flank is close to both ends department and has all seted up first spout (311), and second pre-buried subassembly (41) top surface is close to both ends department and has all seted up second spout (411), first regulation screw (321) have all been seted up at first fixed subassembly (32) both ends face, and second regulation screw (421) have all been seted up to second fixed subassembly (42) both ends face, first regulation subassembly (33) and first spout (311) are through first slider (331) sliding connection simultaneously, meanwhile second regulation subassembly (43) and second spout (411) are through second slider (431) sliding connection.

4. A prefabricated staircase connecting part connecting structure as defined in claim 1, wherein: first adjustment mechanism (34) and second adjustment mechanism (44) are including bull stick (5) and fixing base (6), and fixing base (6) movable mounting is in the one end of bull stick (5), and the surface of bull stick (5) is kept away from fixing base (6) one end simultaneously and is provided with external screw thread (7).

5. A prefabricated staircase connecting part connecting structure as defined in claim 4, wherein: the rotating rod (5) is close to one end of the external thread (7) and is in threaded connection with the first adjusting screw hole (321) and the second adjusting screw hole (421), and the fixed seat (6) is fixedly connected with the first adjusting component (33) and the second adjusting component (43).

6. A prefabricated staircase connecting part connecting structure as defined in claim 1, wherein: prefabricated stair (1) top is close to floor (2) one side and has seted up first mounting groove (11), and prefabricated stair (1) top bottom surface has seted up second mounting groove (12), and first fixed subassembly (32), the fixed subassembly of second (42) are located the inside of first mounting groove (11), second mounting groove (12) respectively simultaneously, and meanwhile first pre-buried subassembly (31) and the pre-buried subassembly of second (41) all are located the inside of floor (2).