CN212926520U - Structure of thing is prevented weighing down by prefabricated plate-type stair straight section piece department - Google Patents
Structure of thing is prevented weighing down by prefabricated plate-type stair straight section piece department Download PDFInfo
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- CN212926520U CN212926520U CN202021417179.8U CN202021417179U CN212926520U CN 212926520 U CN212926520 U CN 212926520U CN 202021417179 U CN202021417179 U CN 202021417179U CN 212926520 U CN212926520 U CN 212926520U
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- prefabricated plate
- straight section
- seam
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- stair
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Abstract
The utility model discloses a structure of a falling object prevention at the splicing seam of the flat straight section of a prefabricated plate type stair, which comprises the prefabricated plate type stair, wherein the lower flat straight section of the prefabricated plate type stair at the upper layer and the upper flat straight section of the prefabricated plate type stair at the lower layer are supported on a bracket at the side surface of a ladder beam together, and a first splicing seam is formed between the lower flat straight section of the prefabricated plate type stair at the upper layer and the upper flat straight section of the prefabricated plate type stair at the lower layer; concave tongue-and-groove arranged in the horizontal direction are respectively formed on the inner side surface of the lower straight section of the prefabricated plate type stair on the upper layer and the inner side surface of the upper straight section of the prefabricated plate type stair on the lower layer; an installation cavity formed by two concave rabbet peripheries is formed in the first splicing seam, and a weather-proof sealant is injected into the installation cavity for fixation after a stainless steel metal strip is arranged in the installation cavity; after the first splicing seam is filled with the special caulking mortar I for the polymer, the upper seam and the lower seam of the first splicing seam are sealed through the building structure adhesive I. The utility model discloses a form "multiple sealing measure" and guarantee sealed effect.
Description
Technical Field
The utility model relates to a piece structure, more specifically say, relate to a structure that prefabricated plate stair straight section piece department prevented falling object.
Background
The prefabricated building is a novel building form suitable for the national conditions of China, and is mainly characterized in that parts such as prefabricated columns, prefabricated beams, laminated plates, prefabricated doors and windows, prefabricated stairs and the like are prefabricated by a factory firstly, and then the prefabricated parts are transported to a construction site and assembled on the construction site. Compared with a cast-in-place structure, the fabricated building has the advantages of high production efficiency, high construction speed, small cast-in-place quantity of construction sites, energy conservation, environmental protection and the like.
The prefabricated staircase can greatly reduce the use of stair templates, and is a prefabricated component with the widest application and the highest value at present. The splicing structure between the prefabricated stairs at the prefabricated stair girders is as follows (see figure 1): the upper horizontal segment front end of this layer of prefabricated staircase supports on the bracket that this layer of ladder beam side set up, and the lower horizontal segment rear end of the prefabricated staircase of upper strata supports on the bracket that this layer of ladder beam side set up, packs cement mortar in the concatenation seam of the lower horizontal segment of the upper horizontal segment of this layer of prefabricated staircase and the prefabricated staircase of upper strata. Because the lower horizontal segment of the prefabricated staircase on the upper strata and the upper horizontal segment of this layer of prefabricated staircase are all only partly to take on the bracket, consequently the horizontal segment of a big section in addition is unsettled, because again because also only through cement mortar shutoff between the lower horizontal segment of the prefabricated staircase on upper strata and the upper horizontal segment of this layer of prefabricated staircase, consequently just it is unsettled to mean that the splice joint of a big section by cement mortar shutoff still in addition, like this can appear because the not closely knit and cement mortar of shutoff drops potential safety hazards such as the thing that produces.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide a structure that prefabricated plate stair straight section piece department prevents falling down thing, adopt the technical scheme of the utility model, simple structure, construction convenience guarantees sealed effect through forming "multiple sealing measure", prevents falling down thing effectual, has avoided traditional cement mortar shutoff mode because the shutoff closely knit and cement mortar drops the potential safety hazards such as falling down thing that produces, very big reduction the possibility that the incident takes place, has stopped fissured formation, has guaranteed construction quality.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a structure of preventing falling object of prefabricated plate stair straight section piece department, including prefabricated plate stair, the lower straight section of prefabricated plate stair on upper strata and the upper straight section of prefabricated plate stair on lower floor support together on the bracket of ladder beam side, be formed with first concatenation seam between the lower straight section of prefabricated plate stair on upper strata and the upper straight section of prefabricated plate stair on lower floor, the concave type tongue and groove that the horizontal direction set up all is seted up to the lower straight section medial surface of prefabricated plate stair on upper strata and the upper straight section medial surface of prefabricated plate stair on lower floor; an installation cavity formed by two concave rabbet peripheries is formed in the first splicing seam, and a weather-resistant sealant is injected into the installation cavity for fixation after a stainless steel metal strip is arranged in the installation cavity; after the first splicing seam is filled with the special caulking mortar I for the polymer, the upper seam and the lower seam of the first splicing seam are sealed through the building structure adhesive I.
Furthermore, second splicing gaps are formed between the lower flat straight section of the prefabricated plate type stair on the upper layer and the wall body and between the upper flat straight section of the prefabricated plate type stair on the lower layer and the wall body, and after the second splicing gaps are filled with special caulking mortar II for polymers, the upper seam and the lower seam of the second splicing gaps are sealed through building structure glue II.
Furthermore, the concave rabbet is arranged close to the lower seam of the first splicing seam.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a structure of preventing objects falling down at the joints of the flat and straight sections of prefabricated plate type stairs, wherein an installation cavity formed by two concave rabbet enclosures is formed in a first splicing seam, a stainless steel metal strip is arranged in the installation cavity and then weather-proof sealant is injected for fixation, after polymer special caulking mortar I is filled in the first splicing seam, the upper seam and the lower seam of the first splicing seam are sealed by building structure adhesive I, the structure is simple, the construction is convenient, the connection between the flat and straight sections of the prefabricated plate type stairs is stable, the upper side of the polymer special caulking mortar I is sealed by the building structure adhesive I, the lower side of the polymer special caulking mortar I is sealed by the stainless steel metal strip wrapped by the weather-proof sealant and the building structure adhesive I, multiple sealing measures are formed, the sealing effect is ensured, the potential safety hazards such as objects falling down and the like caused by the untight sealing and falling off of the traditional cement mortar plugging mode are avoided, the possibility of safety accidents is greatly reduced, the formation of cracks is avoided, and the construction quality is ensured;
(2) the utility model discloses a structure that prefabricated plate stair straight section piece department fell down the thing, all be formed with second concatenation gap between the lower straight section of the prefabricated plate stair of upper strata and the wall body and between the last straight section of the prefabricated plate stair of lower floor and the wall body, pack the special caulking mortar of polymer in this second concatenation gap II backs, the last seam mouth and the lower seam mouth in second concatenation gap all seal through building structure glue II, both sides use building structure to glue II about the special caulking mortar of polymer in the second concatenation seam II and seal, not only strengthened the connection, and can play sealed effect.
Drawings
FIG. 1 is a vertical cross-sectional view of a conventional prefabricated plate stairway in a staircase;
FIG. 2 is a plan view of the falling-proof object at the seam of the flat section of the prefabricated plate type staircase according to the present invention, which is constructed in the staircase;
FIG. 3 is a sectional view of the falling-proof object at the joint of the flat section of the prefabricated plate type staircase, which is constructed in the staircase, in the direction A-A of the present invention;
fig. 4 is the utility model discloses a local cross-sectional view of I department of structure of thing is prevented weighing down by prefabricated plate stair straight section piece department.
The reference numerals in the schematic drawings illustrate: 1. prefabricating a plate type stair; 1-1, a lower straight section; 1-2, an upper straight section; 1-3, concave tongue-and-groove; 2. a stainless steel metal strip; 3. weather-resistant sealant; 4. caulking mortar I special for polymers; 5. building structure adhesive I; 6. caulking mortar II special for polymers; 7. and building structure glue II.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 2, the structure of the falling prevention object at the splicing seam of the flat and straight sections of the prefabricated plate type stairs comprises the prefabricated plate type stairs 1, the lower flat section 1-1 of the prefabricated plate type stairs 1 on the upper layer and the upper flat section 1-2 of the prefabricated plate type stairs 1 on the lower layer are supported on the bracket on the side surface of the ladder beam together, a first splicing seam is formed between the lower flat section 1-1 of the prefabricated plate type stairs 1 on the upper layer and the upper flat section 1-2 of the prefabricated plate type stairs 1 on the lower layer,
continuing and combining with the figures 3 and 4, the inner side surface of the lower straight section 1-1 of the prefabricated plate type stair 1 on the upper layer and the inner side surface of the upper straight section 1-2 of the prefabricated plate type stair 1 on the lower layer are both provided with concave tongue-and-groove 1-3 arranged in the horizontal direction, and the concave tongue-and-groove 1-3 is arranged close to the lower seam of the first splicing seam; an installation cavity formed by two concave tongues 1-3 in a surrounding way is formed in the first splicing seam, and a stainless steel metal strip 2 is arranged in the installation cavity and then is injected with weather-proof sealant 3 for fixation; after the special caulking mortar I4 for the polymer is filled in the first splicing seam, the upper seam and the lower seam of the first splicing seam are sealed by the building structure adhesive I5, the structure is simple, the construction is convenient, the connection between the flat and straight sections of the prefabricated plate type stairs is stable, the upper side of the special caulking mortar I for the polymer is sealed by the building structure adhesive I, the lower side of the special caulking mortar I for the polymer is sealed by the stainless steel metal strip wrapped with weather-resistant sealant and the building structure adhesive I, so that multiple sealing measures are formed, the sealing effect is ensured, potential safety hazards such as falling objects and the like caused by untight plugging, falling of cement mortar and the like in the traditional cement mortar plugging mode are avoided, the possibility of safety accidents is greatly reduced, the formation of cracks is avoided, and the construction quality is ensured;
and continuing to form a second splicing gap between the lower straight section 1-1 of the prefabricated plate type stair 1 on the upper layer and the wall body and between the upper straight section 1-2 of the prefabricated plate type stair 1 on the lower layer and the wall body, wherein after the special caulking mortar II 6 for the polymer is filled in the second splicing gap, the upper seam and the lower seam of the second splicing gap are sealed by the building structure adhesive II 7, and the upper side and the lower side of the special caulking mortar II 6 for the polymer in the second splicing gap are sealed by the building structure adhesive II 7, so that the connection is strengthened, and the sealing effect can be achieved.
The utility model discloses a prefabricated plate stair straight section piece department structure of preventing falling object, simple structure, construction convenience guarantees sealed effect through forming "multiple sealing measure", has avoided traditional cement mortar shutoff mode because the potential safety hazards such as falling object that the production such as shutoff is not closely knit and cement mortar drops, very big reduction the possibility that the incident takes place, has stopped fissured formation, has guaranteed construction quality.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a structure that thing was prevented weighing down by prefabricated plate stair straight section piece department, includes prefabricated plate stair (1), supports on the bracket of ladder beam side together with lower straight section (1-1) of prefabricated plate stair (1) on upper strata and last straight section (1-2) of prefabricated plate stair (1) on lower floor, is formed with first concatenation seam between lower straight section (1-1) of prefabricated plate stair (1) on upper strata and last straight section (1-2) of prefabricated plate stair (1) on lower floor, its characterized in that: the inner side surface of the lower straight section (1-1) of the prefabricated plate type stair (1) at the upper layer and the inner side surface of the upper straight section (1-2) of the prefabricated plate type stair (1) at the lower layer are both provided with concave tongue-and-groove (1-3) arranged in the horizontal direction; an installation cavity formed by two concave type tongues and grooves (1-3) in a surrounding way is formed in the first splicing seam, and a stainless steel metal strip (2) is arranged in the installation cavity and then is injected with weather-proof sealant (3) for fixation; after the first splicing seam is filled with special caulking mortar I (4) for the polymer, the upper seam and the lower seam of the first splicing seam are sealed through building structure glue I (5).
2. The structure of preventing objects from falling off at the joints of the flat sections of the prefabricated plate type stairs according to claim 1, wherein: second splicing gaps are formed between the lower straight section (1-1) of the prefabricated plate type stair (1) on the upper layer and the wall body and between the upper straight section (1-2) of the prefabricated plate type stair (1) on the lower layer and the wall body, after special caulking mortar II (6) for polymers is filled in the second splicing gaps, an upper seam opening and a lower seam opening of the second splicing gaps are sealed through building structure glue II (7).
3. The structure of preventing objects from falling off at the joints of the flat sections of the prefabricated plate type stairs according to claim 1, wherein: the concave rabbet (1-3) is arranged close to the lower seam of the first splicing seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417179.8U CN212926520U (en) | 2020-07-17 | 2020-07-17 | Structure of thing is prevented weighing down by prefabricated plate-type stair straight section piece department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417179.8U CN212926520U (en) | 2020-07-17 | 2020-07-17 | Structure of thing is prevented weighing down by prefabricated plate-type stair straight section piece department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212926520U true CN212926520U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021417179.8U Expired - Fee Related CN212926520U (en) | 2020-07-17 | 2020-07-17 | Structure of thing is prevented weighing down by prefabricated plate-type stair straight section piece department |
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| CN (1) | CN212926520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719044A (en) * | 2021-09-02 | 2021-11-30 | 垒智设计集团有限公司 | Connecting joint of prefabricated staircase and construction method thereof |
-
2020
- 2020-07-17 CN CN202021417179.8U patent/CN212926520U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719044A (en) * | 2021-09-02 | 2021-11-30 | 垒智设计集团有限公司 | Connecting joint of prefabricated staircase and construction method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |