CN211172411U - Concrete prefabricated staircase and steel construction connecting device - Google Patents
Concrete prefabricated staircase and steel construction connecting device Download PDFInfo
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- CN211172411U CN211172411U CN201921422859.6U CN201921422859U CN211172411U CN 211172411 U CN211172411 U CN 211172411U CN 201921422859 U CN201921422859 U CN 201921422859U CN 211172411 U CN211172411 U CN 211172411U
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Abstract
The utility model discloses a precast concrete stair and steel construction connecting device, the connected mode to current precast concrete stair and stair steel construction is complicated, inconvenient installation, it is lower to use the convenience, the relatively poor problem of practicality, the scheme is as follows now put forward, it includes bottom plate and precast concrete stair body, precast concrete stair body installs on the roof of bottom plate, precast concrete stair body includes the portion of accepting, stair board and lower portion of accepting, it has spacing post of vertically and vertically fixed plate to weld in proper order on the roof of bottom plate, the spacing hole has been seted up in the portion of accepting down, spacing post clearance fit is in spacing hole, the top of fixed plate welds the horizontally backup pad. The utility model discloses novel structure, easy operation, the effectual connected mode of simplifying precast concrete stair and stair steel construction, the effectual installation procedure who simplifies precast concrete stair has promoted precast concrete stair's use convenience, and the practicality is higher.
Description
Technical Field
The utility model relates to a prefabricated assembly type structure technical field especially relates to a precast concrete stair and steel construction connecting device.
Background
The prefabricated building refers to a building construction mode of a building with use functions, wherein part or all components of the building are produced in a component prefabricating factory and then are transported to a construction site in a corresponding transportation mode, and the components are assembled by adopting a reliable installation mode and an installation machine. Compared with field construction, prefabricated assembly type construction has the advantages of convenience in construction, high engineering progress, small influence on the surrounding environment, easiness in ensuring the quality of building components and the like, is mainly applied to industrial buildings in China in the past, and is adopted in civil buildings, particularly residential buildings in recent years. With the acceleration of the urbanization process in China, the prefabricated building also meets new development opportunities, and the market demand of the concrete prefabricated staircase is larger and larger.
The existing concrete prefabricated staircase is complicated with the connection mode of the staircase steel structure, the installation of the concrete prefabricated staircase is inconvenient, the use convenience is lower, the practicability is relatively poor, and therefore the concrete prefabricated staircase and the steel structure connection device are provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the prefabricated stair of concrete and steel construction connecting device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a concrete prefabricated staircase and steel structure connecting device comprises a bottom plate and a concrete prefabricated staircase body, wherein the concrete prefabricated staircase body is arranged on the top wall of the bottom plate and comprises an upper bearing part, a stair tread and a lower bearing part, a vertical limiting column and a vertical fixing plate are sequentially welded on the top wall of the bottom plate, a limiting hole is formed in the lower bearing part, the limiting column is in clearance fit in the limiting hole, a horizontal supporting plate is welded at the top end of the fixing plate, the upper bearing part is arranged on the top wall of the supporting plate, a first limiting groove is formed in the side wall of the upper bearing part, away from the limiting column, a first limiting block is in clearance fit in the first limiting groove, one end of the first limiting block, away from the limiting column, extends out of the first limiting groove and is fixedly connected with a vertical moving plate, and a second limiting groove is formed in the bottom wall of the upper bearing part, the utility model discloses a spacing post, including the backup pad, the backup pad is equipped with the mounting hole, and clearance fit has vertically second stopper in the mounting hole, the top clearance fit of second stopper is in the second spacing groove, the bottom of second stopper extends to the below of backup pad and articulates there is the transfer line that the slope set up, the bottom of transfer line articulates there is the horizontally limiting plate, fixed plate clearance fit is in the outer lane of limiting plate, the limiting plate keep away from spacing post one end extend the fixed plate and with movable plate fixed connection is located the limiting plate below be connected with the horizontally screw rod through the bearing rotation on the lateral wall of the spacing post that the movable plate is close to, fixed plate screw-thread fit connects the outer lane at the screw rod.
As a further description of the above technical solution:
one end of the screw rod, which is close to the limiting column, extends out of the fixed plate and is welded with a rocker.
As a further description of the above technical solution:
the outer ring of the limiting column located above the lower bearing part is connected with a nut in a threaded fit mode, and the bottom end of the nut is in contact with the top end of the lower bearing part.
As a further description of the above technical solution:
the one end welding that the fixed plate was kept away from to the backup pad has the swash plate of slope setting, the bottom welding of swash plate is in on the roof of bottom plate, the last inclined plane of swash plate with the lower inclined plane contact of stair board.
As a further description of the above technical solution:
the fixed plate is welded on the top side wall close to the limiting column and is provided with a reinforcing plate, and the top end of the reinforcing plate is welded on the bottom wall of the supporting plate.
As a further description of the above technical solution:
the moving plate is in contact with the fixed plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through the bottom plate, spacing post, lower portion of accepting, spacing hole, go up the portion of accepting, first spacing groove, the fixed plate, the backup pad, the screw rod, the movable plate, the limiting plate, the transfer line, the mating reaction of first stopper and second stopper, establish the outer lane at spacing post through the portion of accepting cover down, through rotating screw rod 3, make first stopper insert in the first spacing groove, make the second stopper insert in the second spacing groove, can accomplish being connected of precast concrete stair and stair steel construction, novel structure, the operation is thus simple, the effectual connected mode of precast concrete stair and stair steel construction that has simplified, the effectual installation step who simplifies precast concrete stair, the convenience in use of precast concrete stair has been promoted, the practicality is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are 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 diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is the top view of the concrete prefabricated staircase body in the utility model.
In the figure: 1. a base plate; 2. a fixing plate; 3. a screw; 4. moving the plate; 5. a limiting plate; 6. a transmission rod; 7. a sloping plate; 8. prefabricating a stair body by concrete; 8-1, an upper bearing part; 8-2, stair boards; 8-3, a lower bearing part; 9. a support plate; 10. a first limit groove; 11. a second limit groove; 12. a first stopper; 13. a second limiting block; 14. a limiting hole; 15. a limiting column; 16. and (4) a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a concrete prefabricated staircase and steel structure connecting device comprises a bottom plate 1 and a concrete prefabricated staircase body 8, and is characterized in that the concrete prefabricated staircase body 8 is installed on the top wall of the bottom plate 1, the concrete prefabricated staircase body 8 comprises an upper bearing part 8-1, a stair board 8-2 and a lower bearing part 8-3, a vertical limiting post 15 and a vertical fixing plate 2 are welded on the top wall of the bottom plate 1 in sequence, a limiting hole 14 is formed on the lower bearing part 8-3, the limiting post 15 is in clearance fit in the limiting hole 14, a horizontal supporting plate 9 is welded on the top end of the fixing plate 2, the upper bearing part 8-1 is installed on the top wall of the supporting plate 9, a first limiting groove 10 is formed on the side wall of the upper bearing part 8-1 far away from the limiting post 15, a first limiting block 12 is in the first limiting groove 10 in clearance fit, one end of the first limiting block 12, which is far away from the limiting column 15, extends out of a first limiting groove 10 and is fixedly connected with a vertical moving plate 4, the bottom wall of the upper bearing part 8-1 is provided with a second limiting groove 11, the supporting plate 9 is provided with a mounting hole, a vertical second limiting block 13 is in clearance fit in the mounting hole, the top of the second limiting block 13 is in clearance fit in the second limiting groove 11, the bottom end of the second limiting block 13 extends to the lower part of the supporting plate 9 and is hinged with a driving rod 6 which is obliquely arranged, the bottom end of the driving rod 6 is hinged with a horizontal limiting plate 5, the fixing plate 2 is in clearance fit with the outer ring of the limiting plate 5, one end of the limiting plate 5, which is far away from the limiting column 15, extends out of the fixing plate 2 and is fixedly connected with the moving plate 4, the side wall of the limiting column 15, which is close to the, a stair steel structure is formed by the bottom plate 1, the fixing plate 2 and the supporting plate 9.
Furthermore, the fixed plate 2 is extended out from one end of the screw rod 3 close to the limiting column 15 and a rocker is welded on the end of the screw rod 3, so that the screw rod 3 can be conveniently rotated.
Furthermore, the outer ring of the limiting column 15 above the lower bearing part 8-3 is connected with a screw cap 16 in a threaded fit manner, and the bottom end of the screw cap 16 is in contact with the top end of the lower bearing part 8-3, so that the screw cap 16 can be ensured to compress the lower bearing part 8-3, and the precast concrete stair body 8 is prevented from being separated from the limiting column 15.
Furthermore, an inclined plate 7 which is obliquely arranged is welded at one end, away from the fixed plate 2, of the supporting plate 9, the bottom end of the inclined plate 7 is welded on the top wall of the bottom plate 1, the upper inclined surface of the inclined plate 7 is in contact with the lower inclined surface of the stair plates 8-2, the stair plates 8-2 can be supported through the inclined plate 7, and the stability of a stair steel structure can be guaranteed.
Further, the top lateral wall that fixed plate 2 is close to spacing post 15 goes up the welding and has the gusset plate, and the top welding of gusset plate can further guarantee the steadiness of stair steel construction on the diapire of backup pad 9.
Further, the movable plate 4 contacts the fixed plate 2, so that the first limit block 12 can be completely inserted into the first limit groove 10.
Example (b): before the concrete prefabricated staircase body 8 is installed, firstly, a screw cap 16 at the top of a limiting column 15 is taken down, the screw rod 3 is rotated to move rightwards, so that the moving plate 4, the limiting plate 5 and the first limiting block 12 can be driven to move rightwards, the limiting plate 5 can drive the bottom end of the transmission rod 6 to move rightwards while moving rightwards, so that the top end of the transmission rod 6 and the second limiting block 13 can be driven to descend until the top end of the second limiting block 13 descends into an installation hole on the supporting plate 9 and the second limiting block 13 moves to the right side of the supporting plate 9, so that the lower bearing part 8-3 can be sleeved on the outer ring of the limiting column 15 from top to bottom until the bottom end of the lower bearing part 8-3 is contacted with the top wall of the bottom plate 1 and the bottom end of the upper bearing part 8-1 is contacted with the top wall of the supporting, then the nut 16 is sleeved on the outer ring of the top of the limiting post 15 in a threaded manner until the bottom end of the nut 16 presses against the top end of the bearing part 8-3, and then the screw rod 3 is rotated to move the screw rod 3 leftwards, so that the movable plate 4, the limiting plate 5 and the first limiting block 12 can be driven to move leftwards, the limiting plate 5 can drive the bottom end of the transmission rod 6 to move leftwards while moving leftwards, so that the top end of the transmission rod 6 and the second limiting block 13 can be driven to ascend, until the first limiting block 12 is completely inserted into the first limiting groove 10 and the top of the second limiting block 13 is completely inserted into the second limiting groove 11, so that the installation of the precast concrete stair body 8 can be completed. The practicability is higher.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A concrete prefabricated staircase and steel structure connecting device comprises a bottom plate (1) and a concrete prefabricated staircase body (8), and is characterized in that the concrete prefabricated staircase body (8) is installed on the top wall of the bottom plate (1), the concrete prefabricated staircase body (8) comprises an upper bearing part (8-1), a stair tread (8-2) and a lower bearing part (8-3), a vertical limiting column (15) and a vertical fixing plate (2) are sequentially welded on the top wall of the bottom plate (1), a limiting hole (14) is formed in the lower bearing part (8-3), the limiting column (15) is in clearance fit in the limiting hole (14), a horizontal supporting plate (9) is welded at the top end of the fixing plate (2), and the upper bearing part (8-1) is installed on the top wall of the supporting plate (9), a first limiting groove (10) is formed in the side wall, away from the limiting column (15), of the upper bearing part (8-1), a first limiting block (12) is arranged in the first limiting groove (10) in a clearance fit manner, one end, away from the limiting column (15), of the first limiting block (12) extends out of the first limiting groove (10) and is fixedly connected with a vertical moving plate (4), a second limiting groove (11) is formed in the bottom wall of the upper bearing part (8-1), a mounting hole is formed in the support plate (9), a vertical second limiting block (13) is arranged in the mounting hole in a clearance fit manner, the top of the second limiting block (13) is in a clearance fit manner in the second limiting groove (11), the bottom end of the second limiting block (13) extends to the lower portion of the support plate (9) and is hinged with a transmission rod (6) which is obliquely arranged, and a horizontal limiting plate (5) is hinged to the bottom end of the transmission rod, fixed plate (2) clearance fit is in the outer lane of limiting plate (5), limiting plate (5) keep away from the one end of spacing post (15) extend fixed plate (2) and with movable plate (4) fixed connection, be located limiting plate (5) below be connected with horizontally screw rod (3) through the bearing rotation on the lateral wall of the spacing post (15) that movable plate (4) are close to, fixed plate (2) screw-thread fit connects the outer lane at screw rod (3).
2. The concrete prefabricated staircase and steel structure connecting device as claimed in claim 1, wherein one end of the screw (3) near the limiting column (15) extends out of the fixing plate (2) and is welded with a rocker.
3. The precast concrete stair and steel structure connecting device as recited in claim 1, wherein a nut (16) is connected to the outer ring of the limiting column (15) above the lower bolster (8-3) in a screw-fit manner, and the bottom end of the nut (16) is in contact with the top end of the lower bolster (8-3).
4. The concrete prefabricated staircase and steel structure connecting device as claimed in claim 1, wherein an inclined plate (7) is welded to one end of the supporting plate (9) far away from the fixing plate (2), the bottom end of the inclined plate (7) is welded to the top wall of the bottom plate (1), and the upper inclined surface of the inclined plate (7) is in contact with the lower inclined surface of the stair plates (8-2).
5. The concrete prefabricated staircase and steel structure connecting device as claimed in claim 1, wherein a reinforcing plate is welded on the top side wall of the fixing plate (2) near the limiting post (15), and the top end of the reinforcing plate is welded on the bottom wall of the supporting plate (9).
6. A concrete precast stair and steel structure connecting device according to claim 1, wherein the moving plate (4) is in contact with the fixed plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422859.6U CN211172411U (en) | 2019-08-29 | 2019-08-29 | Concrete prefabricated staircase and steel construction connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422859.6U CN211172411U (en) | 2019-08-29 | 2019-08-29 | Concrete prefabricated staircase and steel construction connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211172411U true CN211172411U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921422859.6U Active CN211172411U (en) | 2019-08-29 | 2019-08-29 | Concrete prefabricated staircase and steel construction connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211172411U (en) |
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2019
- 2019-08-29 CN CN201921422859.6U patent/CN211172411U/en active Active
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