CN217782984U - Resident stair for existing building transformation - Google Patents
Resident stair for existing building transformation Download PDFInfo
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- CN217782984U CN217782984U CN202221296606.0U CN202221296606U CN217782984U CN 217782984 U CN217782984 U CN 217782984U CN 202221296606 U CN202221296606 U CN 202221296606U CN 217782984 U CN217782984 U CN 217782984U
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Abstract
The utility model discloses a resident stair for the reconstruction of the existing building, which comprises a protective guardrail (1), a stair unit (2), a fixed bottom plate (5), a stair fixed frame, a middle floor butt plate and a top floor support plate (10); the stair unit is arranged on one side inside the stair fixing frame, and the pair of protective guardrails are arranged on the stair fixing frame and positioned on two sides of the stair unit to form a unit stair section; the plurality of unit stair sections are sequentially connected with a stair main body in a broken line shape, and a top floor supporting plate is connected with the stair main body and a top floor of an existing building; the fixed bottom plate is connected with the stair main body and the foundation of the existing building; the middle floor butt-joint plates are respectively connected at the joint of two adjacent unit stair sections, and the middle floor butt-joint plates are fixed on the floor slabs of the floors with the corresponding heights of the existing building. The invention can improve the installation stability and the structural safety of the temporary resident stairs and provide safety guarantee for the entrance and exit of users.
Description
Technical Field
The utility model relates to a stair structure especially relates to an existing building transformation is with resident family's stair.
Background
The building is used as a component for vertical traffic between floors, is used for traffic connection between floors and when the height difference is large, and is also provided with stairs in multi-storey and high-rise buildings provided with elevators and escalators as main vertical traffic means. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stair comprises a stair section, a platform, an enclosing member and the like of continuous steps, the horizontal projection distance between the lowest step and the highest step of the stair is the length of the stair, and the total height of the steps is the height of the stair.
When the existing building structure is additionally provided with an elevator and other transformation construction, the existing vertical transportation means is stopped, the in-and-out requirement of a resident cannot be met, and the temporary stair needs to be additionally arranged. The temporary stair of the prior art is poor in structural stability as a temporary building component, poor in protection effect on a user, long in construction period and large in potential safety hazard after long-term use.
Disclosure of Invention
An object of the utility model is to provide an existing building transformation is with resident family's stair can improve the installation stability and the structural safety nature of interim resident family's stair, provides the safety guarantee for the user business turn over.
The utility model discloses a realize like this:
a resident stair for building reconstruction comprises a protective guardrail, a stair unit, a fixed bottom plate, a stair fixed frame, a middle floor butt plate and a top floor support plate; the stair unit is fixedly arranged on one side inside the stair fixing frame, the pair of protection guardrails are respectively fixedly arranged on the stair fixing frame and located on two sides of the stair unit, and the other side inside the stair fixing frame is hollowed out to serve as a personnel channel to form a unit stair section; the stair main bodies are sequentially connected with the unit stair sections in a zigzag shape, the stair extending directions of two adjacent unit stair sections are opposite, and the stair unit of the next unit stair section is connected with the personnel channel of the last unit stair section; the top floor supporting plate is connected to the top end of the stair main body and fixed on a top floor of an existing building; the plurality of fixed bottom plates are connected to the bottom end of the stair main body, and the fixed bottom plates are embedded and fixed in the foundation of the existing building; the middle floor butt-joint plates are respectively connected at the joint of two adjacent unit stair sections, and the middle floor butt-joint plates are fixed on the floor slabs of the floors with the corresponding heights of the existing building.
The stair fixing frame comprises a stair support frame, a middle support frame, a first connecting frame and a side support frame; the stair support frames, the middle support frame and the side support frames are sequentially and vertically connected to one end, the middle part and the other end of the first connecting frame to form a reversed V-shaped frame structure with an opening at the top; a pair of protection guardrail is fixed connection respectively on stair support frame and middle support frame, and stair unit fixed connection is between stair support frame and middle support frame, and a plurality of PMKD is fixed connection respectively in the stair support frame, middle support frame and the side support frame bottom that are located stair main part bottom.
The first connecting frame is of a U-shaped structure with an opening at one end and a closed end at the other end, the opening at the top of the fixing frame of the next section of the stair is connected to the closed end of the first connecting frame of the fixing frame of the previous section of the stair, and one end of the middle floor butt joint plate is inserted and fixed in the opening end of the first connecting frame.
Middle floor butt-joint plate include first floor butt-joint plate and second floor butt-joint plate, the top and the bottom at stair fixed frame are connected respectively to the one end of first floor butt-joint plate and the one end of second floor butt-joint plate, the other end of first floor butt-joint plate is opposite with the extending direction of the other end of second floor butt-joint plate.
The stair fixing frame is positioned at the top, a second connecting frame is connected between the stair supporting frame and the side supporting frame, the cross section of the second connecting frame is of a U-shaped structure with one end open and the other end closed, the closed end of the second connecting frame is fixedly connected with one end of the top floor supporting plate, and the middle supporting frame is inserted and fixed in the open end of the second connecting frame.
Enclosing purlins are arranged at the bottoms of the top floor supporting plates, a plurality of enclosing purlins are circumferentially distributed along the edges of the top floor supporting plates, and cement pouring troughs are formed among the enclosing purlins; and concrete is poured in the cement pouring groove, so that the top floor supporting plate is fixedly connected with the top floor of the existing building.
The stair unit comprises a partition plate and stair treads, and the stair treads are sequentially and obliquely arranged from bottom to top through the partition plate.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to be equipped with PMKD, middle floor butt-joint plate and top floor backup pad, can be fixed in the ground with the bottom of stair main part through PMKD, the top of stair main part is fixed on the top floor through top floor backup pad, fixes each layer of stair main part on the floor of corresponding each layer height through middle floor butt-joint plate, ensures the installation reliability and the structural stability of stair main part, stops the potential safety hazard, has solved the unstable problem of traditional interim stair installation.
2. The utility model discloses owing to be equipped with the cement pouring basin that encloses the purlin formation, can guarantee through the cement pouring that the installation reliability and the structural stability of stair main part have further been guaranteed to the reliability of being connected between top floor backup pad and the top floor, between middle floor buttjunction board and middle floor and the stair corner platform, it is extravagant to reduce the cement thick liquid and spill over.
3. The utility model discloses owing to be equipped with the protection guardrail, can form the protection in the both sides of stair unit to improve the security that the user is passing through the stair unit from top to bottom.
Drawings
FIG. 1 is a schematic structural view of the staircase of the existing building reconstruction resident of the present invention;
FIG. 2 is a schematic structural view of a main body of a staircase in a resident for reconstruction of an existing building;
FIG. 3 is a schematic view of the bottom structure of the top floor support plate in the staircase of the existing building reconstruction resident of the utility model;
fig. 4 is the utility model discloses the enlarged schematic view of the connected node of middle support frame and second link in the resident family stair for the existing building transformation.
In the figure, 1 protective fence, 2 stair main bodies, 201 spacing boards, 202 stair treads, 3 stair support frames, 4 first floor butt-joint boards, 5 fixed bottom boards, 6 middle support frames, 7 second floor butt-joint boards, 8 first connecting frames, 9 side support frames, 10 top floor support boards, 1001 enclosing purlin, 1002 cement pouring grooves and 11 second connecting frames.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to the attached figure 1, a resident stair for building reconstruction comprises a protective guardrail 1, a stair unit 2, a fixed bottom plate 5, a stair fixed frame, a middle floor butt plate and a top floor support plate 10; the stair unit 2 is fixedly arranged on one side inside the stair fixing frame, the pair of protection guardrails 1 are respectively and fixedly arranged on the stair fixing frame and located on two sides of the stair unit 2, and the other side inside the stair fixing frame is hollowed out to be used as a personnel passage to form a unit stair section; the stair main bodies in the zigzag shape are sequentially connected with the unit stair sections, the stair extending directions of the two adjacent unit stair sections are opposite, and the stair unit 2 of the next unit stair section is connected with the personnel channel of the last unit stair section; the top floor supporting plate 10 is connected to the top end of the stair body, and the top floor supporting plate 10 is fixed on a top floor of an existing building; the plurality of fixed bottom plates 5 are connected to the bottom end of the stair main body, and the fixed bottom plates 5 are buried and fixed in the foundation of the existing building; the middle floor butt-joint plates are respectively connected at the joint of two adjacent unit stair sections, and the middle floor butt-joint plates are fixed on the floor slabs and other members of the floors with the corresponding heights of the existing building. The top of stair main part is fixed through parietal building floor backup pad 10, and the bottom of stair main part is fixed through PMKD 5, and each layer of stair main part is fixed respectively through middle floor butt joint board, has guaranteed the structural security and the installation stability of stair main part, provides the protection through protection guardrail 1 for the current people on stair unit 2 simultaneously, has guaranteed stair main part safety in utilization.
The stair fixing frame comprises a stair support frame 3, a middle support frame 6, a first connecting frame 8 and a side support frame 9; the stair support frames 3, the middle support frame 6 and the side support frames 9 are sequentially and vertically connected to one end, the middle part and the other end of the first connecting frame 8 to form a reversed V-shaped frame structure with an open top, the top opening of the next stair fixing frame is fixedly connected with the first connecting frame 8 of the previous stair fixing frame, and a plurality of stair fixing frames are sequentially connected to form a zigzag shape to form a stair main body; a pair of protection guardrail 1 is fixed connection respectively on stair support frame 3 and middle support frame 6, and stair unit 2 fixed connection is between stair support frame 3 and middle support frame 6, and a plurality of PMKD 5 is fixed connection respectively in the stair support frame 3 that is located stair main part bottom, middle support frame 6 and the 9 bottoms of side support frame. The frame construction who constitutes through stair support frame 3, middle support frame 6, first link 8 provides installation space for stair unit 2, and the frame construction who constitutes through middle support frame 6, first link 8, side support frame 9 simultaneously realizes the corner intercommunication between the adjacent stair unit 2, simple structure and stability and security height.
The first connecting frame 8 is a U-shaped structure with an open end and a closed end at the cross section, the top opening of the next stair fixing frame is connected to the closed end of the first connecting frame 8 of the previous stair fixing frame, and one end of the middle floor butt joint plate is inserted and fixed in the open end of the first connecting frame 8. The middle floor butt joint plate is inserted into the opening end of the first connecting frame 8 and is welded and fixed, so that load transmission is facilitated, the contact area between the middle floor butt joint plate and the first connecting frame 8 is increased, and the structural strength and the connection reliability of the connecting node are improved.
Referring to fig. 1 and 4, a second connecting frame 11 is connected between the stair supporting frame 3 and the side supporting frame 9 of the stair fixing frame at the top, the second connecting frame 11 is a U-shaped structure with an open end and a closed end, the closed end of the second connecting frame 11 is fixedly connected with one end of the top floor supporting plate 10, and the middle supporting frame 6 is inserted and fixed in the open end of the second connecting frame 11. The middle support frame 6 is inserted into the opening end of the second connecting frame 11 and is welded and fixed, so that load transmission is facilitated, meanwhile, the contact area between the middle support frame 6 and the second connecting frame 11 is increased, and the structural strength and the connection reliability of the connecting joint are improved. The closed end of the second connecting frame 11 is in surface contact with the top floor supporting plate 10 and is welded and fixed in a full-length welding mode and the like, and the structural strength and the connection reliability of the connecting node can be guaranteed.
Middle floor butt joint plate include first floor butt joint plate 4 and second floor butt joint plate 7, the top and the bottom at stair fixed frame are connected respectively to the one end of first floor butt joint plate 4 and the one end of second floor butt joint plate 7, the other end of first floor butt joint plate 4 is opposite with the extension direction of the other end of second floor butt joint plate 7. Each floor can adopt two sections of unit stair sections, the first floor butt joint plate 4 is connected with the floor, the second floor butt joint plate 7 is connected with a corner platform of a staircase, and the occupied space of the staircase is reduced through a corner type structure.
Referring to fig. 3, enclosing purlins 1001 are arranged at the bottom of the top floor supporting plate 10, a plurality of enclosing purlins 1001 are circumferentially arranged along the edge of the top floor supporting plate 10, and cement pouring troughs 1002 are formed among the plurality of enclosing purlins 1001; concrete is poured in the cement pouring groove 1002, so that the top floor supporting plate 10 is fixedly connected with a top floor of an existing building, and the connection reliability of the top floor supporting plate 10 and the top floor is guaranteed. The bottoms of the first floor butt joint plate 4 and the second floor butt joint plate 7 can also be provided with surrounding purlins to form a cement pouring groove, so that the fixing reliability of the first floor butt joint plate 4 and the second floor butt joint plate 7 is improved.
Referring to fig. 2, the stairway unit 2 includes a partition plate 201 and stair treads 202, the stair treads 202 of several steps are respectively obliquely arranged from bottom to top through the partition plate 201, and the number of the stair treads 202 and the height of the partition plate 201 can be determined according to actual requirements.
Preferably, the protection guardrail 1 is made of round steel in a welding mode, and parameters such as the height and the length of the protection guardrail 1 can be determined according to the size of an actual stair. The partition plate 201, the stair tread 202, the first floor butt joint plate 4, the fixed bottom plate 5, the second floor butt joint plate 7 and the top floor support plate 10 can be made of steel plates, and the specific size of the steel plates can be determined according to the design requirements of actual stairs. Stair support frame 3, middle support frame 6, first link 8, side support frame 9, enclose purlin 1001 and second link 11 can adopt the channel-section steel to make, and channel-section steel length and specification can be confirmed according to actual stair design size. The protective guardrail 1, the partition plate 201, the stair tread 202, the first floor butt plate 4, the fixed baseplate 5, the second floor butt plate 7, the top floor support plate 10, the stair support frame 3, the middle support frame 6, the first connecting frame 8, the side support frame 9, the enclosing purlin 1001 and the second connecting frame 11 are fixed at the connecting node positions by welding (such as fillet welding, argon arc welding, spot welding, full welding and the like).
Preferably, the number of the unit stair sections can be determined according to the number of the floors, and each floor can be provided with two end unit stair sections, so that two first floor butt-joint plates 4 at the end parts of the two sections of unit stair sections are fixed on two adjacent floors of the existing building, and a second floor butt-joint plate 7 between the two sections of unit stair sections is fixed on a stair corner platform of the existing building. The top floor support plate 10 at the top is fixed on the top floor of the existing building through cement in the cement pouring groove 1002, three fixing bottom plates 5 at the bottom are buried in the foundation, the installation stability of the whole stair main body is effectively guaranteed through the respective fixation of the top, the bottom and each layer in the middle, and the use safety is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an existing building transformation is with resident family's stair, characterized by: comprises a protective guardrail (1), a stair unit (2), a fixed bottom plate (5), a stair fixed frame, a middle floor butt joint plate and a top floor support plate (10); the stair unit (2) is fixedly arranged on one side inside the stair fixing frame, the pair of protective guardrails (1) are respectively and fixedly arranged on the stair fixing frame and located on two sides of the stair unit (2), and the other side inside the stair fixing frame is hollowed out to serve as a personnel passage to form a unit stair section; the stair main bodies in the zigzag shape are sequentially connected with the unit stair sections, the stair extending directions of the two adjacent unit stair sections are opposite, and the stair unit (2) of the next unit stair section is connected with the personnel channel of the last unit stair section; the top floor supporting plate (10) is connected to the top end of the stair main body, and the top floor supporting plate (10) is fixed on a top floor of an existing building; a plurality of fixed bottom plates (5) are connected to the bottom end of the stair main body, and the fixed bottom plates (5) are buried and fixed in the foundation of the existing building; the middle floor butt-joint plates are respectively connected at the joint of the two adjacent unit stair sections, and the middle floor butt-joint plates are fixed on the floor slabs of the floors with the corresponding heights of the existing building.
2. The existing residential building staircase for reconstruction as claimed in claim 1, wherein: the stair fixing frame comprises a stair support frame (3), a middle support frame (6), a first connecting frame (8) and a side support frame (9); the stair support frames (3), the middle support frame (6) and the side support frames (9) are sequentially and vertically connected to one end, the middle part and the other end of the first connecting frame (8) to form a reversed V-shaped frame structure with an open top, the top opening of the next stair fixing frame is fixedly connected with the first connecting frame (8) of the previous stair fixing frame, and a plurality of stair fixing frames are sequentially connected to form a zigzag shape to form a stair main body; a pair of protection guardrail (1) is fixed connection respectively on stair support frame (3) and middle support frame (6), and stair unit (2) fixed connection is between stair support frame (3) and middle support frame (6), and a plurality of PMKD (5) are fixed connection respectively in stair support frame (3), middle support frame (6) and side support frame (9) bottom that are located stair main part bottom.
3. The existing residential building reconstruction staircase according to claim 2, wherein: the first connecting frame (8) is of a U-shaped structure with an open end and a closed end, the top opening of the next stair fixing frame is connected to the closed end of the first connecting frame (8) of the previous stair fixing frame, and one end of the middle floor butt joint plate is inserted and fixed in the open end of the first connecting frame (8).
4. The existing residential building reconstruction staircase according to claim 3, wherein: middle floor butt joint board include first floor butt joint board (4) and second floor butt joint board (7), the top and the bottom at stair fixed frame are connected respectively to the one end of first floor butt joint board (4) and the one end of second floor butt joint board (7), the other end of first floor butt joint board (4) and the extension opposite direction of the other end of second floor butt joint board (7).
5. The existing residential building stair for reconstruction as claimed in claim 2, wherein: the stair fixing frame is located at the top, a second connecting frame (11) is connected between a stair supporting frame (3) and a side supporting frame (9), the cross section of the second connecting frame (11) is of a U-shaped structure with one end open and the other end closed, the closed end of the second connecting frame (11) is fixedly connected with one end of a top floor supporting plate (10), and an intermediate supporting frame (6) is inserted and fixed in the open end of the second connecting frame (11).
6. The existing residential stair for building modification as claimed in claim 1 or 5, wherein: enclosing purlins (1001) are arranged at the bottom of the top floor supporting plate (10), a plurality of enclosing purlins (1001) are circumferentially arranged along the edge of the top floor supporting plate (10), and cement pouring troughs (1002) are formed among the enclosing purlins (1001); concrete is poured in the cement pouring groove (1002), so that the top floor supporting plate (10) is fixedly connected with a top floor slab of an existing building.
7. The existing residential stairway for building modification as claimed in claim 1 or 2, wherein: the stair unit (2) comprises a partition plate (201) and stair treads (202), wherein the stair treads (202) of a plurality of stages are sequentially and obliquely distributed from bottom to top through the partition plate (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221296606.0U CN217782984U (en) | 2022-05-26 | 2022-05-26 | Resident stair for existing building transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221296606.0U CN217782984U (en) | 2022-05-26 | 2022-05-26 | Resident stair for existing building transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217782984U true CN217782984U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221296606.0U Active CN217782984U (en) | 2022-05-26 | 2022-05-26 | Resident stair for existing building transformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217782984U (en) |
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- 2022-05-26 CN CN202221296606.0U patent/CN217782984U/en active Active
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