Quickly-installed stair for building storey adding

Abstract

The utility model discloses a quick installation stair for building storey adding, which comprises two side supporting plates, a connecting cross beam arranged between the two side supporting plates, right-angle supporting bosses arranged on the upper surfaces of the two side supporting plates, and a bolt cylinder arranged on one side of the upper surface of each right-angle supporting boss; the step assembly is installed on the right-angle type supporting boss and located above the two side supporting plates. The stair is divided into different assemblies through the step assemblies and the side supporting plates, on one hand, the stair can be carried more conveniently and rapidly during installation, hoisting equipment is prevented from being used, the installation cost is reduced, and on the other hand, the installation efficiency of the stair can be improved and the workload can be reduced through rapid installation of the step assemblies and the side supporting plates.

Description

Technical Field

[0001] The utility model relates to the technical field related to building construction, in particular to a quickly-installed staircase for building storey addition. Background Art

[0002] In building storey addition, the staircase plays a very important role in the entire building system. As the main vertical traffic and the main passage during emergency evacuation of the building, it has an important impact on the normal use and emergency evacuation of the entire building.

[0003] Existing quickly-installed staircases are all fixed and installed by screws. At the same time, most staircases are directly welded on-site or hoisted to the installation position after welding for installation, which requires a large amount of time for assembly during staircase installation, with extremely low installation efficiency. At the same time, it consumes a large amount of manpower and increases the installation cost. Content of the Utility Model

[0004] To solve the problems raised in the above background art, the utility model provides a quickly-installed staircase for building storey addition.

[0005] To achieve the above object, the technical solution of the utility model is as follows: A quickly-installed staircase for building storey addition includes two side support plates. A connecting cross beam is arranged between the two side support plates, and the connecting cross beam is fixedly connected to the two side support plates through bolts and nuts. It further includes:

[0006] Right-angle support bosses are arranged on the upper surfaces of the two side support plates and are evenly distributed. An insertion pin cylinder is installed on one side of the upper surface thereof, and an insertion pin hole is opened at the upper end of the side surface of the insertion pin cylinder;

[0007] A step assembly is installed on the right-angle support bosses and is located above the two side support plates. It includes:

[0008] Step end boxes, the number of which is two, are arranged in a right-angle shape, and right-angle grooves are opened on the inclined surfaces. They are placed on the side support plates, and the right-angle support bosses are inserted into the right-angle grooves. Cylindrical holes are opened on the inner side surfaces of the right-angle grooves, and the insertion pin cylinders are movably inserted into the cylindrical holes. One corner of the side surface is movably inserted with an adjusting bolt. The adjusting bolt extends out of the step end box, and a limit baffle is installed. An internally threaded sleeve is threadedly installed on the adjusting bolt, an L-shaped column is installed on the internally threaded sleeve, a conical insertion pin is installed at one end of the L-shaped column, and a positioning baffle is installed on the conical insertion pin;

[0009] Triangular support frames are evenly arranged between the two step end boxes;

[0010] Strip-shaped support plates are installed between adjacent two triangular support frames and are located at the outer ends of the right-angle sides of the triangular support frames. At the same time, they are installed between the triangular support frames and the step end boxes;

[0011] The connecting angle steel is installed between two adjacent triangular support frames, located at the right-angle ends of the triangular support frames, and is also installed between the triangular support frame and the step end box.

[0012] The step outer cladding is installed between two step end boxes and is arranged at a right angle.

[0013] Moreover, it is installed on the outer sides of the triangular support frame, the strip-shaped support plate, and the connecting angle steel.

[0014] As a quick-installation staircase for building storey addition in the present utility model, the width of the step end box is the same as that of the side support plate.

[0015] As a quick-installation staircase for building storey addition in the present utility model, the conical pin is movably inserted into the pin hole on the pin cylinder by adjusting the rotation of the adjusting bolt and the internal thread sleeve.

[0016] As a quick-installation staircase for building storey addition in the present utility model, after the step end box is installed on the side support plate, its inclined surface is in close contact with the side support plate.

[0017] As a quick-installation staircase for building storey addition in the present utility model, a number of fixing bolt holes are provided at the upper and lower ends of the side support plate, and the fixing bolt holes are evenly distributed.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. The staircase is separated into different components by the step assembly and the side support plate. On the one hand, it can make the handling of the staircase during installation more convenient and fast, avoid the use of hoisting equipment, and reduce the installation cost. On the other hand, it can improve the installation efficiency of the staircase and reduce the workload by the quick installation of the step assembly and the side support plate.

[0020] 2. The support of the step outer cladding by the triangular support frame, the strip-shaped support plate, and the connecting angle steel keeps the steps safe to use, improves the step strength, and avoids shaking.

[0021] 3. By using the setting of the step end box and the insertion and cooperation of the conical pin and the pin cylinder, the side support plate and the step assembly can be quickly fixed. Its installation method is simple, fast, and efficient, and can effectively improve the installation efficiency of the staircase. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural view of a quick-installation staircase for building storey addition in the present utility model;

[0023] Figure 2 is a main sectional view of the side support plate in the present utility model;

[0024] Figure 3It is a sectional view showing the connection between the connecting cross beam and the side support plate of the present utility model;

[0025] Figure 4 It is a side view of the step assembly of the present utility model;

[0026] Figure 5 It is a side sectional view of the step assembly of the present utility model;

[0027] Figure 6 It is a top sectional view of the step assembly of the present utility model;

[0028] Figure 7 It is a schematic diagram of the conical plug of the present utility model;

[0029] In the figure:

[0030] 1. Side support plate; 11. Connecting cross beam; 12. Right-angle support boss; 121. Plug cylinder; 122. Plug hole; 13. Fixed bolt hole.

[0031] 2. Step assembly; 21. Step end box; 211. Right-angle groove; 212. Cylindrical hole; 213. Adjusting bolt; 214. Limit baffle; 215. Internal thread sleeve; 216. L-shaped column; 217. Conical plug; 218. Positioning baffle; 22. Triangular support frame; 23. Strip-shaped support plate; 24. Connecting angle steel; 25. Step outer plate. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] The present utility model provides a technical solution, as Figures 1 - 7 shown; a quick-installation staircase for building addition includes two side support plates 1, a connecting cross beam 11 is arranged between the two side support plates 1, and the connecting cross beam 11 is fixedly connected to the two side support plates 1 through bolts and nuts.

[0034] In the embodiment of the present utility model, by using the connection between the connecting cross beam 11 and the two side support plates 1, the stability of the side support plates can be ensured, so that the step assembly 2 can be quickly assembled onto the side support plates 1, and the installation efficiency of the staircase can be improved.

[0035] Right-angle support bosses 12 are arranged on the upper surfaces of the two side support plates 1 and are evenly distributed. A plug cylinder 121 is installed on one side of the upper surface thereof, and a plug hole 122 is opened at the upper end of the side surface of the plug cylinder 121.

[0036] In the embodiment of the present utility model, by providing the right-angle support boss 12, the step end box 21 on the step assembly 2 can be placed on the right-angle support boss 12, so that the step assembly 2 is stably supported on the side support plate 1, avoiding the shaking of the step assembly 2 during installation and ensuring the installation efficiency of the step assembly.

[0037] In the embodiment of the present utility model, by providing the pin cylinder 121 and the pin hole 122, the pin cylinder 121 can be inserted into the step assembly 2, so that the step assembly 2 can be quickly installed on the side support plate 1. At the same time, by the cooperation of the pin hole 122 and the conical pin 217 inside the step assembly 2, the step assembly 2 can be quickly locked with the pin cylinder 121, ensuring the stability and firmness of the installation of the step assembly 2 and improving the installation efficiency of the step assembly 2.

[0038] The step assembly 2 is installed on the right-angle support boss 12 and is located above the two side support plates 1. It includes: two step end boxes 21, which are arranged in a right-angle shape, and a right-angle groove 211 is formed on the inclined surface. It is placed on the side support plate 1, and the right-angle support boss 12 is inserted into the right-angle groove 211. A cylindrical hole 212 is formed on the inner surface of the right-angle groove 211, and the pin cylinder 121 is movably inserted into the cylindrical hole 212. One corner of its side surface is movably inserted with an adjusting bolt 213. The adjusting bolt 213 extends out of the step end box 21, and a limit baffle 214 is installed. An internal thread sleeve 215 is threadedly installed on the adjusting bolt 213. An L-shaped column 216 is installed on the internal thread sleeve 215. A conical pin 217 is installed at one end of the L-shaped column 216, and a positioning baffle 218 is installed on the conical pin 217.

[0039] In the embodiment of the present utility model, by providing the step end boxes 21 arranged at both ends and placing them on the side support plate 1 and the right-angle support boss 12, on the one hand, the right-angle groove 211 provided thereon can be used to stably place the step end box 21 on the side support plate 1, making the step installation more convenient and fast. On the other hand, the pin cylinder 121 can be inserted into the cylindrical hole 212 to stably install the step end box 21 on the side support plate 1, ensuring the stability of the installation of the side support plate 1.

[0040] In the embodiment of the present utility model, by the threaded cooperation between the adjusting bolt 213 and the internal thread sleeve 215, the L-shaped column 216 can drive the conical pin 217 to move, so that it can be inserted into the pin hole 122 on the pin cylinder 121, locking the step end box 21 with the right-angle support boss 12, thus ensuring the firmness of the fixation of the step end box 21, and the connection method does not require the use of too many bolts, which can effectively improve the installation efficiency.

[0041] The triangular support frame 22 is evenly arranged between the two stepped end boxes 21; the strip-shaped support plate 23 is installed between two adjacent triangular support frames 22, and is located at the outer end of the right-angled side of the triangular support frame 22, and is also installed between the triangular support frame 22 and the stepped end box 21; the connecting angle steel 24 is installed between two adjacent triangular support frames 22, and is located at the right-angled end of the triangular support frame 22, and is also installed between the triangular support frame 22 and the stepped end box 21; the stepped outer wrapping plate 25 is installed between the two stepped end boxes 21, and is arranged in a right-angled manner, and is installed on the outer sides of the triangular support frame 22, the strip-shaped support plate 23 and the connecting angle steel 24.

[0042] In the embodiment of the present utility model, the triangular support frame 22, the connecting angle steel 24 and the strip-shaped support plate 23 are used as the framework of the steps, and the stepped outer wrapping plate 25 is wrapped on the outer side of the stepped framework and installed between the two stepped end boxes 21, thereby forming a step assembly 2 that can be quickly assembled. On the one hand, the strength and stability of the step assembly 2 can be ensured, and on the other hand, it can be quickly installed to improve the installation efficiency.

[0043] In the present utility model, the width of the stepped end box 21 is the same as the width of the side support plate 1; this is convenient for the staff to install the stepped end box 21 and quickly align it, thereby improving the installation efficiency.

[0044] In the present utility model, the conical pin 217 is movably inserted into the pin hole 122 on the pin cylinder 121 by rotating and adjusting the adjusting bolt 213 and the internal thread sleeve 215; this ensures the firmness and stability of the installation of the stepped end box 21 and the side support plate 1, and improves the installation efficiency.

[0045] In the present utility model, after the stepped end box 21 is installed on the side support plate 1, its inclined surface is in close contact with the side support plate 1, ensuring the stability of the installation of the step assembly 2 on the side support plate 1.

[0046] In the present utility model, a number of fixing bolt holes 13 are provided at the upper and lower ends of the side support plate 1, and the fixing bolt holes 13 are evenly distributed, which is convenient for fixing the side support plate 1.

[0047] When specifically using the present utility model, the staff can manually carry the components required for the additional-story staircase to the installation location one by one. Subsequently, the staff takes out the side support plate 1 and inserts bolts into the fixing bolt holes 13, so that the upper and lower ends of the side support plate 1 are respectively fixed to the corresponding wall surface or steel structure;

[0048] Subsequently, the staff takes out the connecting cross beam and installs it between the two side support plates 1 and connects it with bolts. At this time, the installation of the side support plate 1 is completed;

[0049] After that, the staff member takes out the step assembly 2 and installs it on the side support plate 1 in sequence from bottom to top. The staff member takes out the step assembly 2 and places it on the two side support plates 1, while aligning the step end boxes 21 at both ends with the outer ends of the side support plates 2. During the placement process, the right-angle support bosses 12 on the side support plate 1 are inserted into the right-angle grooves 211 on the inclined surfaces of the step end boxes 21, and the pin cylinders 121 are inserted into the cylinder holes 212;

[0050] After the step assembly 2 is placed, the staff member drives the adjusting bolt 213 to rotate through an electric wrench, so that by using the threaded connection with the internal thread sleeve 215, the L-shaped column 216 is driven to move, and the conical pin 217 is gradually inserted into the pin hole 122 on the pin cylinder 121. When the positioning baffle 218 contacts the pin cylinder 121, the rotation of the adjusting bolt 213 is stopped at this time, and the step assembly 2 is installed on the two side support plates 1 at this time;

[0051] Subsequently, the staff member installs the step assembly 2 on the side support plate 1 one by one in the above manner, and the installation work of the entire additional staircase can be completed.

[0052] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0053] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fast-installed staircase for adding floors to a building, comprising two side support plates, a connecting beam is arranged between the two side support plates, and the connecting beam is fixedly connected to the two side support plates by bolts and nuts, characterized in that: Also includes: The right-angle support bosses are arranged on the upper surfaces of the two side support plates and are evenly distributed. A latch cylinder is installed on one side of the upper surface of the bosses, and a latch hole is opened on the upper end of the side surface of the latch cylinder. The step assembly is mounted on the right-angle support boss and is located above the two side support plates, and includes: There are two step end boxes, which are arranged at right angles and have right angle grooves on the inclined surfaces. They are placed on the side support plates, and the right angle support bosses are inserted into the right angle grooves. A cylindrical hole is opened on the inner surface of the right angle groove, and the bolt cylinder is movably inserted into the cylindrical hole. An adjusting bolt is movably inserted into one corner of the side surface. The adjusting bolt extends out of the step end box and is installed with a limit baffle. An internal threaded sleeve is installed on the thread of the adjusting bolt, and an L-shaped column is installed on the internal threaded sleeve. A conical bolt is installed at one end of the L-shaped column, and a positioning baffle is installed on the conical bolt; The triangular support frame is evenly arranged between the two step end boxes; The strip support plate is installed between two adjacent triangular support frames and is located at the outer end of the right angle side of the triangular support frame, and is also installed between the triangular support frame and the step end box; The connecting angle steel is installed between two adjacent triangular support frames and is located at the right-angle end of the triangular support frame. It is also installed between the triangular support frame and the step end box. The step outer cladding plate is installed between the two step end boxes and is arranged at a right angle and is installed on the outside of the triangular support frame, the strip support plate and the connecting angle steel.

2. A fast-installed staircase for adding floors to a building according to claim 1, characterized in that: The width of the step end box is the same as the width of the side support plate.

3. The fast-installed staircase for adding floors to a building according to claim 1, characterized in that: The conical latch pin is movably inserted into the latch pin hole on the latch pin cylinder by means of rotation adjustment of the adjusting bolt and the internal threaded sleeve.

4. The fast-installed staircase for adding floors to a building according to claim 1, characterized in that: After the step end box is installed on the side support plate, its inclined surface is in close contact with the side support plate.

5. The fast-installed staircase for adding floors to a building according to claim 1, characterized in that: A plurality of fixing bolt holes are arranged at the upper end and the lower end of the side support plate, and the fixing bolt holes are evenly distributed.

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