CN216157204U - Positioning auxiliary device for controlling installation of prefabricated staircase - Google Patents
Positioning auxiliary device for controlling installation of prefabricated staircase Download PDFInfo
- Publication number
- CN216157204U CN216157204U CN202120490491.8U CN202120490491U CN216157204U CN 216157204 U CN216157204 U CN 216157204U CN 202120490491 U CN202120490491 U CN 202120490491U CN 216157204 U CN216157204 U CN 216157204U
- Authority
- CN
- China
- Prior art keywords
- cast
- prefabricated staircase
- concrete base
- place concrete
- prefabricated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model provides a positioning auxiliary device for controlling installation of a prefabricated staircase, which comprises a template, a positioning fastener, a top support piece and a cast-in-place concrete base, wherein one side of the cast-in-place concrete base is connected with the prefabricated staircase and is used for supporting and installing the prefabricated staircase; the cast-in-place concrete base is connected with the positioning fastener in a penetrating manner; the template is connected to the top end of the cast-in-place concrete base through the positioning fastener; the prefabricated floor slab comprises a prefabricated floor slab and a template, and is characterized in that a jacking piece is arranged between the template and the top end of the cast-in-place concrete base, and the jacking piece is arranged on one side, close to the prefabricated staircase, of the cast-in-place concrete base and used for positioning the installation position of the prefabricated floor slab. The auxiliary positioning device has the advantages of auxiliary positioning of the prefabricated staircase, simple structure, convenience in installation, wide application range, stability and reliability, and capability of effectively avoiding the problems of deviation of the prefabricated staircase, elevation deviation of a staircase platform, accumulation of sundries of construction joints between the staircase platform and the prefabricated staircase and the like.
Description
Technical Field
The utility model belongs to the field of constructional engineering, and particularly relates to a positioning auxiliary device for controlling installation of a prefabricated staircase.
Background
In the construction of the existing civil buildings, especially in the high-rise building structures, the assembly type structures are mostly adopted, and in the assembly type structures, the prefabricated stairs become an indispensable component. The prefabricated staircase dead weight is great, and easy the polyphenyl board that will place in advance destroys during hoist and lead to position deviation, and difficult regulation is comparatively. In addition, the positions of the polystyrene board, where the PE bars are arranged, and the weather-resistant glue are arranged are easy to accumulate garbage and difficult to clean, and great influence is caused on engineering construction and stair structure safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positioning auxiliary device for controlling the installation of a prefabricated staircase, which is particularly suitable for accurately positioning the prefabricated staircase and preventing sundries from falling into the operation environment in which construction joints are difficult to clean.
In order to solve the technical problems, the utility model adopts the technical scheme that: a positioning aid for controlling installation of a prefabricated staircase, comprising: the prefabricated stair support comprises a template, a positioning fastener, a top support piece and a cast-in-place concrete base, wherein one side of the cast-in-place concrete base is connected with a prefabricated stair and used for supporting and installing the prefabricated stair;
the cast-in-place concrete base is connected with the positioning fastener in a penetrating manner;
the template is connected to the top end of the cast-in-place concrete base through the positioning fastener;
the prefabricated floor slab comprises a prefabricated floor slab and a template, and is characterized in that a jacking piece is arranged between the template and the top end of the cast-in-place concrete base, and the jacking piece is arranged on one side, close to the prefabricated staircase, of the cast-in-place concrete base and used for positioning the installation position of the prefabricated floor slab.
Further, the cast-in-place concrete base is stepped, the cast-in-place concrete base comprises a first step and a second step, and the bottom of the prefabricated staircase is arranged on the upper end face of the first step; the template is connected to the upper end face of the second step.
Furthermore, the positioning fastener is a split bolt which is sleeved in a bolt sleeve and is connected with the cast-in-place concrete base in a penetrating manner, and nuts are respectively connected to two ends of the split bolt extending out of the cast-in-place concrete base.
Furthermore, the casting height of the cast-in-place concrete base is calibrated on the split bolts.
Further, at least one pair of the split bolts is arranged.
Furthermore, the template is a wood template, and holes connected with the split bolts are formed in the wood template.
Furthermore, the wood formwork is connected to the upper end face of the second ladder in a penetrating mode through the split bolts, and the nuts are fastened on the outer side, far away from the cast-in-place concrete base, of the wood formwork.
Furthermore, one side of the wood template extends out of the second step and is used for determining the installation position of the prefabricated staircase.
Furthermore, the top support piece is an angle iron, the angle iron is arranged between the wood formwork and the upper end face of the second ladder, the inner side of the angle iron is close to the extending side of the wood formwork, the side face of the prefabricated staircase is tightly attached to the outer side of the angle iron to be connected, and the angle iron is used for positioning the installation position of the prefabricated staircase.
Due to the adoption of the technical scheme, the method has the following advantages:
the prefabricated staircase is assisted and positioned by means of the combination of the embedded bolts, the templates and the angle iron, has the advantages of simple structure, convenience in installation, wide application range, stability and reliability, can effectively avoid the problems of deviation of the prefabricated staircase, elevation deviation of the staircase platform, accumulation of sundries in construction joints between the staircase platform and the prefabricated staircase and has the characteristics of turnover, low cost and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.
In the figure:
1. split bolt 2, wood formwork 3 and angle iron
4. Cast in situ concrete base 5, prefabricated staircase
Detailed Description
The utility model is further illustrated by the following examples and figures:
in one embodiment of the present invention, as shown in fig. 1, a positioning aid for controlling installation of a prefabricated staircase, comprises: the prefabricated stair support comprises a template, a positioning fastener, a top support piece and a cast-in-place concrete base 4, wherein one side of the cast-in-place concrete base 4 is connected with a prefabricated stair 5 for supporting and installing the prefabricated stair 5; the cast-in-place concrete base 4 is connected with a positioning fastener in a penetrating way; the template is connected to the top end of the cast-in-place concrete base 4 through a positioning fastener; a top support piece is arranged between the template and the top end of the cast-in-place concrete base 4, is arranged on one side of the cast-in-place concrete base 4 close to the prefabricated staircase 5 and is used for positioning the installation position of the prefabricated floor slab 5; wherein the landing 5 is of a general engineering reinforced concrete structure.
As shown in fig. 1, the cast-in-place concrete base 4 is stepped, the cast-in-place concrete base 4 is cast and molded in the construction process, the cast-in-place concrete base 4 comprises a first step and a second step, the first step is located at the bottom of the second step, the height of the second step is higher than that of the first step, the bottom of the prefabricated staircase 5 is placed on the upper end face of the first step, and the first step mainly plays a role in positioning in the construction process.
In the embodiment shown in fig. 1, the positioning fastener is a split bolt 1, and the split bolt 1 is a split bolt for reinforcing a template in general engineering, is made of steel and has a stable structure; in the embodiment, a pair of split bolts 1 is arranged through the cast-in-place concrete base 4, so that the stress is uniform in the fastening process; the positioning device is mainly used for positioning in the installation process of the prefabricated staircase 5, so that the arrangement of the pair of split bolts 1 can meet the construction requirement, and the number of the split bolts 1 can be increased in pairs according to the actual requirement.
In the construction process, the split bolt 1 is embedded in the cast-in-place concrete base 4, a bolt sleeve of the split bolt 1 is bound on a steel bar of the cast-in-place concrete base 1, the split bolt penetrates into the bolt sleeve, and the split bolt 1 is positioned, so that the levelness and the verticality of the split bolt 1 are ensured; meanwhile, the cast-in-place concrete base 4 is calibrated on the split bolt 1, and the elevation and the flatness of the platform can be guaranteed by pulling a wire when the cast-in-place concrete base is cast, so that the cast-in-place concrete base 4 is lower than the floor slab of the prefabricated floor slab 5, and the subsequent construction is more convenient. The two ends of the opposite pulling bolt 1 extending out of the cast concrete base 4 are respectively connected with a nut.
The formwork shown in fig. 1 is a wood formwork 2, and in the present embodiment, two holes connected with the split bolts 1 are provided on the wood formwork 2. The plank sheathing 2 is through 1 through-connection of split bolt at the up end of cast in situ concrete base 4's second ladder, and the outside that plank sheathing 2 kept away from cast in situ concrete base 4 is screwed up and is had the nut. After the cast-in-place concrete base 4 is poured, the cast-in-place concrete base 4 reaches a certain strength, the wooden template 2 is placed at the upper end of the cast-in-place concrete base 4, and meanwhile, the side, where the cast-in-place concrete base 4 is connected with the prefabricated staircase 5, of the wooden template 2 extends to the outside by 20mm and is mainly used for determining the installation position of the prefabricated staircase 5.
The top support member shown in fig. 1 is an angle iron 3, the angle iron 3 is an angle iron for general engineering, and the application range is wide, in the embodiment, an angle iron with a side length of 50mm and a thickness of 5mm is selected; one side of the angle iron 3 is arranged between the wooden formwork 2 and the top end of the cast-in-place concrete base 4, and the other side of the angle iron 3 is arranged on the outer side of the extending side of the wooden formwork 2. Before the prefabricated staircase 5 is installed, the side face of the prefabricated staircase 5 is placed on the outer side of an angle iron 3, the bottom of the prefabricated staircase 5 is connected to the upper end face of a first step of a cast-in-place concrete base 4, the angle iron 3 is used for positioning the installation position of the prefabricated staircase 5, a 20-30mm gap is formed between the side face of a second step of the cast-in-place concrete base 4 and the side face of the prefabricated staircase 5 under the action of a wood formwork 2 and the angle iron 3, a polystyrene board, a PE board and weather-resistant glue are filled in the gap, the upper end of the gap is sealed through the angle iron 3 and the wood formwork 2, sundry accumulation is prevented, and meanwhile the prefabricated staircase 5 is prevented from damaging the polystyrene board, the PE board and the weather-resistant glue when being placed. By the construction method of controlling the position deviation by combining the template and the angle iron, the accuracy of hoisting, installing and positioning of the prefabricated staircase is guaranteed, sundries can be prevented from falling into construction joints and being difficult to clean, the operation is simple, and convenience is brought to subsequent construction.
This patent is with split bolt and template combination for relying on the auxiliary method of control prefabricated staircase location, simple structure, simple to operate, and accommodation is wide, and is reliable and stable, can effectively avoid prefabricated staircase off normal, landing elevation deviation, landing and prefabricated staircase construction joint debris to pile up the scheduling problem, has characteristics such as can have enough to meet the need, with low costs simultaneously.
The working process of one embodiment of the utility model is as follows:
1. the installation of the bottom template and the single-side die of the stair platform is finished;
2. binding the steel bars of the cast-in-place concrete base 4;
3. positioning the split bolt 1, placing a bolt sleeve, sleeving the split bolt 1 in the bolt sleeve, binding the bolt sleeve and the platform steel bar, and ensuring the levelness and the verticality of the split bolt 1;
4. marking the platform elevation on the bolt sleeve, and pulling a wire to ensure the platform elevation and the flatness when the cast-in-place concrete base 4 is poured;
5. after pouring is finished, placing a wood template 2 on the upper part of the platform when the cast-in-place concrete base 4 reaches a certain strength, extending to the position where the cast-in-place concrete base 4 is close to the prefabricated staircase 5, outwards picking the side of the cast-in-place concrete base 4 by 20mm, and pressing angle iron 3 with the side length of 50mm and the thickness of 5mm into the lower part of the outwards picking end and the cast-in-place concrete base 4;
6. fastening the wood template 2 and the angle iron 3 by using a split bolt 1;
7. the side face of the prefabricated staircase 5 is arranged close to the outer side of the angle iron 3, the bottom of the prefabricated staircase 5 is arranged on the upper end face of a first step of the cast-in-place concrete base 4, and the positioning of the prefabricated staircase 5 is completed.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A positioning aid for controlling the installation of a prefabricated staircase, comprising: the prefabricated stair support comprises a template, a positioning fastener, a top support piece and a cast-in-place concrete base, wherein one side of the cast-in-place concrete base is connected with a prefabricated stair and used for supporting and installing the prefabricated stair;
the cast-in-place concrete base is connected with the positioning fastener in a penetrating manner;
the template is connected to the top end of the cast-in-place concrete base through the positioning fastener;
the prefabricated staircase comprises a prefabricated staircase body and a prefabricated staircase body, wherein a top support piece is arranged between the template and the top end of the cast-in-place concrete base, and the top support piece is arranged on one side, close to the prefabricated staircase, of the cast-in-place concrete base and used for positioning the installation position of the prefabricated staircase.
2. A positioning aid for controlling prefabricated staircase installation according to claim 1, characterised in that: the cast-in-place concrete base is in a step shape and comprises a first step and a second step, and the bottom of the prefabricated staircase is arranged on the upper end face of the first step; the template is connected to the upper end face of the second step.
3. A positioning aid for controlling prefabricated staircase installation according to claim 2, characterised in that: the positioning fastener is a split bolt which is sleeved in a bolt sleeve and is connected with the cast-in-place concrete base in a penetrating mode, and nuts are respectively connected to two ends, extending out of the cast-in-place concrete base, of the split bolt.
4. A positioning aid for controlling prefabricated staircase installation according to claim 3, characterised in that: and the casting height of the cast-in-place concrete base is calibrated on the split bolts.
5. A positioning aid for controlling prefabricated staircase installation according to claim 3 or 4, characterised in that: at least one pair of the split bolts is arranged.
6. A positioning aid for controlling prefabricated staircase installation according to claim 3, characterised in that: the template is a wood template, and holes connected with the split bolts are formed in the wood template.
7. A positioning aid for controlling prefabricated staircase installation according to claim 6, characterised in that: the split bolt is used for connecting the wood formwork to the upper end face of the second ladder in a penetrating mode, and the nut is fastened on the outer side, far away from the cast-in-place concrete base, of the wood formwork.
8. A positioning aid for controlling the installation of pre-cast stairways according to claim 6 or 7, wherein: one side of the wood template extends out of the second step and is used for determining the installation position of the prefabricated staircase.
9. A positioning aid for controlling prefabricated staircase installation according to claim 6, characterised in that: the top support piece is an angle iron, the angle iron is arranged between the wood formwork and the upper end face of the second ladder, the inner side of the angle iron is close to the extending side of the wood formwork, the lateral face of the prefabricated staircase is tightly attached to the outer side of the angle iron in a connected mode, and the angle iron is used for positioning the installation position of the prefabricated staircase.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292804 | 2020-12-30 | ||
| CN2020232928043 | 2020-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216157204U true CN216157204U (en) | 2022-04-01 |
Family
ID=80834653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120490491.8U Active CN216157204U (en) | 2020-12-30 | 2021-03-08 | Positioning auxiliary device for controlling installation of prefabricated staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216157204U (en) |
-
2021
- 2021-03-08 CN CN202120490491.8U patent/CN216157204U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201217898Y (en) | Concrete prefabricated stairs | |
| CN202090591U (en) | Lift type climbing formwork of building operations | |
| CN108166691A (en) | A kind of precast prestressed concrete beam formula stair and making construction method | |
| CN109895239B (en) | Fabricated concrete stair slow platform beam slab and construction method thereof | |
| CN210685444U (en) | Quick leveling, mounting and supporting device for prefabricated external wall panel | |
| CN216157204U (en) | Positioning auxiliary device for controlling installation of prefabricated staircase | |
| CN112267692A (en) | Assembly type building component hoisting comprehensive equipment and construction method thereof | |
| CN2349289Y (en) | Prefabricated integral stairs board | |
| CN113027149A (en) | Positioning auxiliary device and method for controlling installation of prefabricated staircase | |
| CN211312950U (en) | Assembled integral elevator shaft prefabricated part | |
| CN211850480U (en) | Assembled stair system | |
| CN109610875B (en) | Assembled floor door frame of existing building with elevator and construction method | |
| CN209413171U (en) | A kind of prefabricated component stair of light silencing | |
| CN210152143U (en) | A connection structure for concrete cladding panel hoist and mount construction | |
| CN113802468A (en) | Asymmetric cable-stayed bridge special-shaped concrete tower column construction process | |
| CN210086685U (en) | Prefabricated staircase and connection structure of prefabricated staircase and floor slab | |
| CN217232463U (en) | Prefabricated staircase and ladder beam connecting device | |
| CN112112057A (en) | Assembly type combined bridge pier connecting system and construction method thereof | |
| CN206800201U (en) | The compound Hanging basket on front support of single cable plane | |
| CN218861766U (en) | Connection reinforcing structure | |
| CN217480662U (en) | Accurate location regularization reinforcing bar of prefabricated staircase installation | |
| CN214995385U (en) | Scissors type laminated plate type stair assembled in sections | |
| CN219586903U (en) | Steel plate wall and steel column combined structure | |
| CN117386022B (en) | Assembled wall and floor slab connecting structure and construction method | |
| CN220434052U (en) | Prefabricated structure for construction column mould-free construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |