CN217557784U - Assembled stair face limit protector - Google Patents
Assembled stair face limit protector Download PDFInfo
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- CN217557784U CN217557784U CN202221247765.1U CN202221247765U CN217557784U CN 217557784 U CN217557784 U CN 217557784U CN 202221247765 U CN202221247765 U CN 202221247765U CN 217557784 U CN217557784 U CN 217557784U
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- stair
- pipe
- inner sleeve
- staircase
- protection device
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Abstract
An assembled stair edge protector comprising: the base is fixedly connected to the side face of the stair and is connected with a protective railing and a foot baffle plate; the protective handrail is arranged on the side of the stair; the corner leads to, and the adjacent upper and lower guard rails pass through the corner leads to connect. This edge protection device is faced to fabricated staircase, each constitutes the accessory and can be at mill's design processing, can install in the short time after transporting to the job site and accomplish, need not to punch or pre-buried to fabricated staircase again, need not the secondary and restores fabricated staircase surface, can have enough to meet the need the use many times, and reduction processing cost is low, realizes green energy-conservation.
Description
Technical Field
The utility model relates to a stair protection technical field in the assembly type structure, more specifically say, in particular to assembled stair face limit protector.
Background
High-rise and super high-rise residential buildings or office buildings increasingly adopt an assembly type building structure form.
At present assembly type stair face frontier defense and protect protection modes such as steel bar welding, frame pipe set up that generally use, these protection mode installation effectiveness are low and can cause the appearance quality damage to assembly type stair. How to improve the mounting efficiency of the edge protection of the fabricated stairway on the premise of not damaging the fabricated stairway is a problem which needs to be solved by the inventor urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an assembled stair limb protection device which is shaped and processed in a factory and assembled after being transported to a construction site; the assembled stair does not need to be punched or embedded, and the surface of the assembled stair does not need to be repaired for the second time.
An assembled stair edge protector comprising:
the base is fixedly connected to the side face of the stair and is connected with a protective railing and a foot baffle plate;
the protective handrail is arranged on the side of the stair;
the corner leads to, and the adjacent protection railing stairs from top to bottom are connected through the corner leads to.
Further, the base is T type base, including the stair connecting plate of horizontal direction and the U type draw-in groove of vertical direction.
Furthermore, the stair connecting plate is provided with a fixing hole, and a high-strength bolt penetrates through the fixing hole to connect the T-shaped base with a hoisting hole of the assembled stair; the stair connecting plate is close to the up end rigid coupling of one side of U type draw-in groove has connecting portion, is used for connecting the guardrail bar.
Furthermore, the connecting part is a round steel tube, and the connecting part is perpendicular to the stair connecting plate.
Furthermore, the U-shaped clamping groove is used for fixing the foot blocking plate.
Further, the guard rail is a telescopic guard rail.
Further, the protective handrail comprises a transverse pipe, an inner sleeve transverse pipe and a vertical pipe; the end part of the inner sleeve transverse pipe is provided with a through hole and a sheet type spring pin, and the end part of the inner sleeve transverse pipe is sleeved in the transverse pipe; the vertical pipe is fixedly connected to the inner sleeve transverse pipe, and the bottom end of the vertical pipe is connected to the connecting part.
Furthermore, the vertical pipe is perpendicular to the upper end face of the stair, and the transverse pipe and the inner sleeve transverse pipe form a preset angle with the vertical pipe.
Furthermore, the corner leads to including adding the core pipe and rigid coupling in add the return bend of core pipe both sides, the return bend is used for connecting the horizontal pipe of interior sleeve of guard rail.
Further, the foot blocking plate is of a plate-shaped structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this edge protection device is faced to fabricated staircase, each constitutes the accessory and can be at mill's design processing, can install in the short time after transporting to the job site and accomplish, need not to punch or pre-buried to fabricated staircase again, need not the secondary and restores fabricated staircase surface, can have enough to meet the need the use many times, and reduction processing cost is low, realizes green energy-conservation.
(2) The T-shaped base is connected with the hoisting hole of the assembled stair by the high-strength bolt, so that the base is prevented from moving, and the T-shaped base plays a role in vertical load bearing.
(3) The telescopic protective handrail adopts a mode of sleeving two steel pipes, has adjustable length, is suitable for stairs with different sizes, and has wide trial range and strong universality; the telescopic guard rail is assembled by steel pipes of different models, and can be folded to reduce the transportation and carrying sizes.
(4) According to the slope of stair, the corner leads to can realize angle modulation.
(5) The bamboo plywood is used as the foot blocking plate, can be cut at any time, is not easy to deform and can ensure the safety protection effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an overall schematic view of the assembled stair edge protection device in the embodiment after installation.
Fig. 2 is a schematic view of the installation of the base in the present embodiment.
Fig. 3 is a schematic structural diagram of the base in this embodiment.
Fig. 4 is a schematic structural view of the guard rail in the present embodiment.
Fig. 5 is a schematic structural view of the inner sleeve transverse tube in the embodiment.
Fig. 6 is a schematic structural view of the cross tube in the present embodiment.
Fig. 7 is a schematic structural diagram of the corner channel in the present embodiment.
In the figure: 1. a base; 101. a stair connecting plate; 102. a U-shaped clamping groove; 103. a fixing hole; 104. a high-strength bolt; 105. A connecting portion;
2. a guard rail; 201. a transverse tube; 202. an inner sleeve horizontal tube; 203. a riser;
3. the corner is through; 301. adding a core pipe; 302. bending the pipe;
4. a foot baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The specific embodiment is as follows:
as shown in fig. 1, the present embodiment provides an assembled stair near-edge protection device, which includes a base 1, a protection rail 2, a corner through 3 and a foot board 4.
In this embodiment, the base 1 is fixed to the side of the prefabricated staircase. As shown in fig. 2 and 3, the base 1 is a T-shaped base, and includes a horizontal stair connecting plate 101 and a vertical U-shaped slot 102. The U-shaped slot 102 is used for fixing the foot blocking plate 4.
Specifically, a fixing hole 103 is formed in the stair connecting plate 101, and a high-strength bolt 104 penetrates through the fixing hole 103 to connect the T-shaped base with a hoisting hole of the fabricated stair; the upper end face of one side of the stair connecting plate 101 close to the U-shaped slot 102 is fixedly connected with a connecting portion 105, and the connecting portion 105 is used for connecting the protection rail 2. Specifically, the connecting portion 105 is a circular steel tube, and the connecting portion 105 is perpendicular to the stair connecting plate 101.
Particularly, the base of T type adopts high strength bolted connection with the hole for hoist of assembled stair, and stair connecting plate 101 in the base is fixed a position with the stair side, prevents that the base from removing. Zhu the size of the lifting hole of the decorative stair is 200 mm-240mm from the side face of the stair, so the fixing hole is designed to be an adjustable long hole. The T-shaped base plays a role of vertical load.
In this embodiment, protection railing 2 lays in the side of assembled stair, and the other adjacent protection railing of upper and lower that lies in of stair leads to 3 connections through the turning. The guard rail 2 is a telescopic guard rail.
Specifically, the protective railing 2 comprises a transverse pipe 201, an inner sleeve transverse pipe 202 and a vertical pipe 203; as shown in fig. 4, 5 and 6, the end of the inner sleeve horizontal tube 202 is provided with a through hole and a leaf spring pin, the end of the inner sleeve horizontal tube 202 is sleeved in the horizontal tube 201, and meanwhile, the two ends of the horizontal tube 201 are provided with a plurality of through holes, and the leaf spring pins extend out of the through holes at different positions on the pin horizontal tube to form guard rails with different lengths. Bolt holes are formed in the positions, corresponding to the inner sleeve transverse tubes, of the vertical tubes 203, and the vertical tubes 203 are fixedly connected to the inner sleeve transverse tubes 202 through bolts; the bottom end of the riser 203 is sleeved on the connecting part 105, and the riser 203 is perpendicular to the upper end surface of the stair. Cross tube 201 and inner sleeve cross tube 202 are at a predetermined angle to the risers, the value of which depends on the pitch of the stairs.
More specifically, the transverse pipe 201 is made of a steel pipe with the diameter of 35 multiplied by 1.2mm, the inner sleeve transverse pipe is made of a steel pipe with the diameter of 30 multiplied by 1mm, blanking and drilling are carried out according to design drawing, after the machining is finished, a phi 8-piece spring piece is installed at one end of the inner sleeve transverse pipe, and the vertical pipe 203, the transverse pipe 201 and the inner sleeve transverse pipe 202 are assembled together through an M8 multiplied by 70 bolt, a matched nut and a matched washer.
The telescopic protective barrier has adjustable length and adjustable size: 1600 mm-2575 mm, is suitable for the stair of different sizes, the trial range is wide, the universality is strong; the telescopic protective railing is assembled by steel pipes of different types and can be folded to reduce the transportation and carrying sizes; and the two steel pipes are sleeved, so that the two steel pipes can bear 1000N external force without being damaged through tests, and the construction protection requirement is met.
In this embodiment, the corner joint 3 includes a core-adding pipe 301 and bent pipes 302 fixedly connected to two sides of the core-adding pipe 301, as shown in fig. 7, the bent pipes 302 are formed by welding circular pipes with two ends perpendicular to each other, and through holes are formed at corresponding positions of the bent pipes 302 and the core-adding pipe 301, and the bent pipes 302 and the core-adding pipe 301 are fixedly connected by bolts. The direction of the two bent pipes is different, the two bent pipes keep the same with the inclination of the connected guard rail 2, and the bent pipe 302 is used for connecting the inner sleeve transverse pipe 202 of the guard rail.
Specifically, the standard gradient of the assembled stair is 32-34 degrees, the angle adjustment of the corner channel 3 can be realized according to the gradient of the stair, and the corner channel made of steel pipes can be realized.
In this embodiment, the foot blocking plate 4 is a plate-shaped structure, and preferably, the foot blocking plate made of bamboo plywood can be cut and used at any time, and is not easy to deform so as to ensure the safety protection effect.
During the assembled stair face limit protection device that this embodiment provided, each constructs the accessory homoenergetic and can transport to the job site after at mill's design processing, can install in the short time and accomplish, need not to punch or pre-buried to assembled stair again, need not the secondary and restores assembled stair surface. This assembled stair face limit protector can have enough to meet the need the use many times, and it is low to reduce the processing cost, realizes green energy-conservation.
The assembled stair face limit protector that this embodiment provided, base 1, protection railing 2, turning wherein lead to 3, the manufacturing process of blocking foot board 4 as follows:
the processing and manufacturing process of the base 1 comprises the following steps:
firstly, purchasing a steel plate with the thickness of 4mm and a steel pipe with the diameter of 30 multiplied by 1mm, and checking that the qualification meets the requirement;
secondly, blanking the stair connecting plate 101 by 270mm multiplied by 80mm according to the size of a drawing, punching a long hole by 80mm multiplied by 20mm, and chamfering R5 round corners at two ends;
thirdly, blanking the side steel plate by 180mm multiplied by 80mm according to the drawing size, and chamfering R5 fillets at two ends;
fourthly, blanking the L-shaped side steel plate by 210mm multiplied by 80mm according to the size of the drawing, bending the L-shaped side steel plate by 90 degrees at the position with the size of 30mm, and chamfering R5 round corners at two ends;
fifthly, blanking the steel pipe for 150mm and drilling holes;
sixthly, assembling and welding the side steel plate and the L-shaped steel plate according to a design drawing to form a U-shaped clamping groove 102, and assembling and welding the steel pipe, the stair connecting plate 101 and the U-shaped clamping groove 102 according to the design drawing to form the base 1;
seventhly, the blanking size deviation is less than or equal to 2mm, and the drilling size deviation is less than or equal to 1mm; after assembly welding, ensuring that the verticality deviation is less than or equal to +/-1 mm; and testing the bolt torque of the base device, wherein the torque is more than or equal to 60 N.m.
The processing and manufacturing process of the protective barrier 2 is as follows:
firstly, respectively purchasing a phi 35 multiplied by 1.2mm steel pipe, a phi 30 multiplied by 1mm steel pipe, a sheet type spring pin, an M8 multiplied by 70mm bolt, a matched nut and a matched washer, and checking that the qualification meets the requirements;
secondly, blanking and drilling the two specifications of steel pipes according to a design drawing, dividing the steel pipes into a vertical pipe, a horizontal pipe and an inner sleeve horizontal pipe after the steel pipes are machined, and checking the specification quantity of each pipe fitting according to the drawing size;
thirdly, a phi 8-piece spring pin is arranged at one end of the inner sleeve transverse tube;
fourthly, assembling the vertical pipe, the transverse pipe and the inner sleeve transverse pipe together by using an M8 multiplied by 70 bolt, a matched nut and a matched washer; the blanking size deviation of each part is less than or equal to 2mm, and the drilling size deviation is less than or equal to 0.5mm; the elastic qualified rate of the sheet type spring pin is 100%; the telescopic maximum dimension after the assembly of the guard rail is 2575mm, and the minimum dimension is 1600mm.
The processing and manufacturing process of the corner connector comprises the following steps:
firstly, blanking four pieces of phi 35 multiplied by 1.2mm steel pipes with the diameter of 120mm and 300mm respectively, cutting angles of 45 degrees respectively according to design drawings, drilling holes, assembling and welding to form a right-angled pipe, namely a bent pipe 302;
secondly, blanking a phi 30 multiplied by 1mm steel pipe with the length of 150mm to form a core adding pipe 301 communicated with a corner;
thirdly, taking 2 right-angle steel pipes which are assembled and welded, plug-welding a core pipe at one end according to a design drawing, welding M8 nuts at two sides of a through hole at the other end, and cleaning screw threads;
fourthly, taking 2 pieces of welded right-angle steel pipes, welding M8 nuts on two sides of through holes in two ends of a design drawing, and cleaning screw threads;
fifthly, the two corners are trial-assembled and can rotate freely.
The processing and manufacturing process for manufacturing the foot blocking plate by adopting the bamboo plywood comprises the following steps: firstly, purchasing a bamboo plywood with the thickness of 12mm to manufacture a foot baffle plate; secondly, the blanking size is 2440mm multiplied by 180mm according to the drawing.
In the fabricated stair edge protection device in this embodiment, the base 1 is assembled with the stair hoisting holes by using M18 high-strength bolts. Adjusting the protective railing 2 to a proper size according to the requirement of the length of the stair, installing the protective railing on a steel pipe of a base, and fastening the protective railing by using M8X 50 bolts and matched nuts; adjusting the angle of the corner through 4 device according to the gradient of the stair, installing the corner through 4 device at the end part of the protective railing 2, and fastening the corner through 4 device by using M8 multiplied by 30 bolts; placing a bamboo plywood as a foot baffle plate 4 in a U-shaped clamping groove of the base 1; each component firm in connection of this assembled stair face limit protector, the side direction impact force is strong, non-deformable, and the base installation is firm, and the guard action is good.
The assembled stair face limit protector in this embodiment, its installation can not destroy assembled stair clear water concrete effect, and each component engineering is prefabricated, and on-the-spot installation, the installation effectiveness is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an assembled stair face limit protector which characterized in that includes:
the base is fixedly connected to the side face of the stair and is connected with a protective railing and a foot baffle plate;
the protective handrail is arranged on the side of the stair;
the corner leads to, and the adjacent upper and lower guard rails pass through the corner leads to connect.
2. The prefabricated staircase near edge protection device of claim 1, wherein the base is a T-shaped base comprising a horizontally oriented staircase connection plate and a vertically oriented U-shaped slot.
3. The assembly type stair limb protection device according to claim 2, wherein the stair connecting plate is provided with a fixing hole; the stair connecting plate is close to the up end rigid coupling of one side of U type draw-in groove has connecting portion, is used for connecting the guardrail bar.
4. The prefabricated staircase limb protector of claim 3, wherein the connecting portion is a circular steel tube and is perpendicular to the staircase connecting plate.
5. The prefabricated staircase near edge protection device of claim 2, wherein the U-shaped clamping groove is used for fixing the foot stopping plate.
6. The fabricated stair workside guard according to claim 3, wherein the guard rail is a telescopic guard rail.
7. The prefabricated staircase near edge protection device of claim 6, wherein the protection balustrade comprises a horizontal tube, an inner sleeve horizontal tube and a vertical tube; the end part of the inner sleeve transverse pipe is provided with a through hole and a sheet type spring pin, and the end part of the inner sleeve transverse pipe is sleeved in the transverse pipe; the vertical pipe is fixedly connected to the inner sleeve transverse pipe, and the bottom end of the vertical pipe is connected to the connecting part.
8. The prefabricated staircase frontier defense device according to claim 7, characterized in that the vertical tube is perpendicular to the upper end surface of the staircase, and the horizontal tube and the inner sleeve horizontal tube are at a predetermined angle to the vertical tube.
9. The prefabricated staircase near edge protection device of claim 7, wherein the corner comprises a cored pipe and bent pipes fixedly connected to two sides of the cored pipe, and the bent pipes are used for connecting the inner sleeve transverse pipes of the guard rails.
10. The fabricated stair limb protector of claim 1 wherein the footplate is a plate-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221247765.1U CN217557784U (en) | 2022-05-23 | 2022-05-23 | Assembled stair face limit protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221247765.1U CN217557784U (en) | 2022-05-23 | 2022-05-23 | Assembled stair face limit protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217557784U true CN217557784U (en) | 2022-10-11 |
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ID=83499914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221247765.1U Active CN217557784U (en) | 2022-05-23 | 2022-05-23 | Assembled stair face limit protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217557784U (en) |
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2022
- 2022-05-23 CN CN202221247765.1U patent/CN217557784U/en active Active
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