CN215442782U

CN215442782U - Prefabricated staircase that can assemble

Info

Publication number: CN215442782U
Application number: CN202120075241.8U
Authority: CN
Inventors: 赵丹
Original assignee: Sanneng Integrated Housing Co Ltd
Current assignee: Sanneng Integrated Housing Co Ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2022-01-07
Anticipated expiration: 2031-01-11

Abstract

The utility model relates to an assembly type building, in particular to an assembled prefabricated staircase, which comprises a prefabricated bench, wherein the prefabricated bench comprises a plurality of stepping prefabricated blocks and prefabricated bench plates, and the stepping prefabricated blocks and the prefabricated bench plates are connected into a whole through rigid connecting pieces. The two sides of the stepping precast block are respectively embedded with a first sleeve or a first steel part, the two sides of the prefabricated bench plate are respectively embedded with a second sleeve or a second steel part, and the stepping precast block and the prefabricated bench plate are connected into a whole through the first sleeve or the first steel part and the second sleeve or the first steel part. The utility model not only reduces the weight of a single component of the prefabricated bench, thereby being capable of using a more economical construction lifting appliance, saving the construction cost, but also having simple manufacture of the die and easy production.

Description

Prefabricated staircase that can assemble

Technical Field

The utility model relates to an assembly type building, in particular to an assembled prefabricated staircase.

Background

In prefabricated buildings, prefabricated stairways are usually made in one piece in a factory and then transported to the site for erection by means of equipment, as shown in chinese patent CN 211923286U. Due to the size and weight of the prefabricated staircase, the mould cost and the hoisting instrument cost are greatly increased.

Chinese patent CN111155728A discloses an assembled prefabricated staircase, which is formed by dividing an integral prefabricated staircase into a left prefabricated step and a right prefabricated step along the length direction, wherein the left prefabricated step and the right prefabricated step are assembled into a whole through a tongue-and-groove, so that the weight of the prefabricated staircase during hoisting is reduced, and the requirement on hoisting equipment is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an assembled prefabricated staircase which can reduce the single hoisting weight, reduce the cost and ensure the integrity of the staircase after assembly, aiming at the defects of large size and net weight of the existing prefabricated staircase.

In order to solve the technical problem, the utility model provides an assembled prefabricated staircase which comprises a prefabricated staircase section, wherein the prefabricated staircase section comprises a plurality of stepping prefabricated blocks and prefabricated staircase plates, and the stepping prefabricated blocks and the prefabricated staircase plates are connected into a whole through rigid connecting pieces.

The prefabricated staircase is split into the plurality of stepping prefabricated blocks and the prefabricated staircase sections, the stepping prefabricated blocks and the prefabricated staircase sections are separately prefabricated and installed, and the weight of the split stepping prefabricated blocks and the weight of the prefabricated staircase sections are reduced by a lot compared with the weight of the integrally-installed prefabricated staircase, so that a lifting appliance with a lower specification and a higher economy can be selected for lifting prefabricated staircase components, the construction cost is further saved, the split stepping prefabricated blocks and the split prefabricated staircase sections are regular in appearance, the mold is simple to manufacture, the mass production can be realized, the transportation efficiency is high, and the assembling construction is convenient.

In order to simplify the production process of the stepping precast block and the prefabricated bench slab as much as possible, first sleeves are respectively embedded in two sides of the stepping precast block, second sleeves are respectively embedded in two sides of the prefabricated bench slab, and the stepping precast block and the prefabricated bench slab are connected into a whole through rigid connecting pieces which are simultaneously fixedly connected with the first sleeves and the second sleeves.

Preferably, a plurality of the second sleeves are arranged at even intervals along the longitudinal direction of the prefabricated bench, so that the step prefabricated blocks are evenly arranged on the prefabricated bench boards, and the step width and the step height of the prefabricated staircase are ensured to be consistent.

For the simplification as far as possible of being connected of prefabricated section of thick bamboo of marking time and prefabricated bench board, first sleeve with the second sleeve all is the internal thread sleeve, just first sleeve with cover rigid connection spare on the second sleeve, last correspondence of rigid connection spare first sleeve with the second sleeve is equipped with the connecting hole respectively, two bolts pass one respectively the connecting hole with screw thread in the first sleeve or threaded connection in the second sleeve.

The rigid connection is preferably a steel plate.

Or the lower edges of the two side surfaces of the step precast block are respectively embedded with a first steel part, the upper edges of the two side surfaces of the prefabricated bench slab are respectively embedded with a second steel part, and the first steel part and the second steel part are adjacently arranged and welded into a whole.

In a specific embodiment, the outer side surfaces of the first steel part and the second steel part are square planes, and connecting columns are respectively arranged on the inner side surfaces of the first steel part and the second steel part.

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

1. the utility model can reduce the weight of a single component of the prefabricated staircase, and can be hoisted by using the more economical construction hoist, thereby saving the construction cost.

2. According to the utility model, the step precast blocks and the prefabricated bench slabs are connected through the rigid connecting pieces, so that the assembling speed of the utility model is high, and the construction progress is improved.

3. The die is simple to manufacture, easy to produce and capable of being repeatedly utilized, and the economical efficiency of the die is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic side view of a prefabricated staircase according to a first embodiment of the present invention.

Fig. 2 is a side view of a step prefabricated section according to a first embodiment of the prefabricated staircase of the present invention.

Fig. 3 is a schematic side view of a prefabricated flight slab of a first embodiment of the assembled prefabricated staircase according to the present invention.

Fig. 4 is a schematic top view of a prefabricated staircase segment plate according to a first embodiment of the assembled prefabricated staircase.

Fig. 5 is an enlarged view of a connection structure between the step prefabricated blocks and the prefabricated stair flight plates of the first embodiment of the prefabricated staircase capable of being assembled according to the present invention.

Fig. 6 is a schematic side view of a prefabricated staircase according to a second embodiment of the present invention.

Fig. 7 is a side view of the prefabricated block of the second embodiment of the prefabricated staircase.

Fig. 8 is a schematic side view of a prefabricated flight slab of a second embodiment of the assembled prefabricated staircase according to the present invention.

Fig. 9 is a schematic top view of prefabricated staircase sections according to the second embodiment of the present invention.

Fig. 10 is a front view showing a coupled state of the first steel member and the second steel member of the second embodiment of the prefabricated staircase according to the present invention.

Fig. 11 is a side view showing a coupled state of the first steel member and the second steel member of the second embodiment of the prefabricated staircase according to the present invention.

Detailed Description

The utility model is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the utility model.

For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.

As shown in fig. 1-5, an embodiment of the prefabricated staircase capable of being assembled according to the present invention includes a prefabricated staircase section 1, wherein the prefabricated staircase section 1 includes a plurality of step prefabricated blocks 2 and prefabricated staircase boards 3.

The middle parts of the two sides of the step precast block 2 are respectively embedded with a first sleeve 4, the two sides of the precast bench slab 3 are respectively embedded with a second sleeve 5 at a longitudinal uniform interval, and the first sleeve 4 and the second sleeve 5 are both internal thread sleeves.

A rigid connecting piece 6 covers the first sleeve 4 and the second sleeve 5, connecting holes are formed in the rigid connecting piece 6 corresponding to the first sleeve 4 and the second sleeve 5 respectively, and two bolts 7 penetrate through the connecting holes to be connected with the internal threads of the first sleeve 4 or the internal threads of the second sleeve 5 respectively, so that the stepping prefabricated section 2 and the prefabricated ladder section plate 3 are connected into a whole.

The rigid connecting element 6 is preferably a steel plate.

As shown in fig. 6 to 11, the second embodiment of the prefabricated staircase capable of being assembled according to the present invention has substantially the same structure as the first embodiment, except that: the lower edges of the two side faces of the stepping precast block 2 are respectively embedded with a first steel part 8, the upper edges of the two side faces of the prefabricated bench slab 3 are respectively embedded with a second steel part 9, and the stepping precast block 2 and the prefabricated bench slab 3 are connected through the first steel part 8 and the second steel part 9 which are adjacently arranged and welded into a whole.

In order to ensure the attractiveness and the pre-buried stability of the prefabricated staircase, the outer side surfaces of the first steel part 8 and the second steel part 9 are square planes, and connecting columns 10 are respectively arranged on the inner side surfaces of the first steel part 8 and the second steel part 9.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims

1. The utility model provides a prefabricated staircase that can assemble, includes prefabricated bench, its characterized in that, prefabricated bench includes a plurality of prefabricated section of marking time and prefabricated bench board, the both sides of the prefabricated section of marking time are pre-buried first sleeve respectively, the both sides of prefabricated bench board are pre-buried second sleeve respectively, mark time the prefabricated section with prefabricated bench board is through fixed connection simultaneously first sleeve with the telescopic rigid connection spare of second links into an integrated entity.

2. A erectable, prefabricated staircase according to claim 1, wherein a plurality of said second sleeves are arranged at even intervals in the longitudinal direction of said prefabricated staircase sections.

3. The prefabricated staircase of claim 1, wherein the first sleeve and the second sleeve are internally threaded sleeves, and the first sleeve and the second sleeve are covered with a rigid connector, the rigid connector is provided with a connecting hole corresponding to the first sleeve and the second sleeve, and two bolts respectively pass through one connecting hole to be connected with the threads in the first sleeve or the threads in the second sleeve.

4. A erectable prefabricated staircase according to claim 3, wherein said rigid connectors are steel plates.

5. The prefabricated staircase capable of being assembled according to claim 1, wherein first steel parts are respectively embedded in the lower edges of the two side surfaces of the step prefabricated blocks, second steel parts are respectively embedded in the upper edges of the two side surfaces of the prefabricated staircase sections, and the first steel parts and the second steel parts are adjacently arranged and welded into a whole.

6. The prefabricated staircase capable of being assembled according to claim 5, wherein the outer side surfaces of the first steel part and the second steel part are square planes, and connecting columns are respectively arranged on the inner side surfaces of the first steel part and the second steel part.