Prefabricated slab ladder for building
By designing a retractable plate ladder assembly, the problem that the existing prefabricated plate ladder cannot adjust its width due to dimensional errors is solved, and flexible adjustment of the plate ladder width is achieved, production costs are reduced, and the firmness and stability of the plate ladder are improved.
Patent Information
- Application Number
- CN202421743669.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The existing prefabricated plate ladder cannot adjust its width due to dimensional errors, resulting in delayed construction progress and increased production costs in fixed structures.
A retractable ladder assembly is designed, including a floor body, sliding groove, slide seat, fastener, slide groove, slide member and telescopic rod. Through the cooperation of these components, the adjustability of the ladder width is achieved.
It realizes flexible adjustment of the width of the plate ladder, reduces the installation impact of processing errors, reduces production costs, and improves the firmness and stability of the plate ladder.
Smart Images

Figure CN222949358U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prefabricated plate ladders, in particular to a prefabricated plate ladder for construction. Background Art
[0002] Prefabricated slab ladders are staircase components that are prefabricated in the factory. They usually include ladder beams and treads, and can be quickly assembled on the construction site. The advantages of prefabricated slab ladders include reducing construction costs, shortening on-site construction periods, improving the appearance quality of the stairs, and reducing on-site construction complexity. However, the current prefabricated slab ladders have the problem that the size may be erroneous and cannot be adjusted on site, which delays the construction progress. In response to this, a prefabricated slab ladder for construction is proposed, which is convenient for adjusting the width of the slab ladder on site to match the actual situation on the construction site.
[0003] After searching, the Chinese patent application number 202321963763.7 discloses an assembled staircase with adjustable tread width, including a prefabricated tread and an assembly block for adjusting the tread width; the side of the prefabricated tread facing the infill wall is provided with embedded nuts; the assembly block is a prefabricated part, the side shape of the assembly block matches the prefabricated tread, the width matches the gap between the prefabricated tread and the infill wall, and the side of the assembly block is provided with reserved bolt holes; during assembly, the assembly block is connected to the prefabricated tread by bolts, the bolts are screwed into the embedded nuts through the reserved bolt holes, the side of the assembly block is aligned with the side of the prefabricated tread, the end is overlapped with the floor beam or the adjacent assembly block, and the assembly block is filled in the gap between the prefabricated tread and the infill wall. The staircase in the above-mentioned document has the following shortcomings: the assembly block of the staircase is a fixed structure, and if the size does not match later, the assembly block needs to be cut before it can be installed on the staircase. This method is cumbersome to operate, and the installation may fail due to errors in the cutting size. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and provides a prefabricated board ladder for construction.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A prefabricated slab ladder for construction comprises a slab ladder assembly, wherein the prefabricated slab ladder is composed of a plurality of slab ladder assemblies, wherein the slab ladder assembly comprises a floor slab body, a sliding groove is provided on one side of the floor slab body, a sliding seat is slidably installed in the groove, a hole is provided at the bottom of the floor slab body, a fastener is provided in the hole, the fastener is in contact with the sliding seat, a sliding groove is provided in the middle of the floor slab body, a fixing groove is provided at the bottom of the sliding groove, a sliding member is slidably installed on the sliding groove, the sliding member is connected to the sliding groove by bolts, a plurality of sliding members are provided, a telescopic rod 1 is provided on one side of the sliding member, a telescopic rod 2 is slidably installed in the telescopic rod 1, and the telescopic rod 1 and the telescopic rod 2 are fixed by fasteners.
[0007] As a further solution of the utility model: the board ladder assembly also includes a support rod, which is installed on the inner side of the sliding member and is respectively connected to the telescopic rod 1 and the telescopic rod 2.
[0008] As a further solution of the utility model: the plate ladder assembly also includes a support seat, and a plurality of support seats are provided. The support seats are respectively installed on the floor main body and the sliding seat, and a mounting plate is installed on the telescopic rod, and mounting holes are provided on the mounting plate and the support seat.
[0009] As a further solution of the utility model: the prefabricated ladder also includes a floor, which is installed on the support base and the mounting plate by bolts, and the floor is a wooden structure.
[0010] As a further solution of the utility model: the prefabricated board ladder also includes an anti-slip strip, a plurality of the anti-slip strips are provided, and the anti-slip strips are installed on the floor.
[0011] As a further solution of the utility model: the prefabricated plate ladder also includes a support plate, which is an L-shaped structure. A plurality of mounting holes are provided on the support plate, and the plurality of plate ladder components are connected together by mounting the support plate with fixing bolts.
[0012] As a further solution of the utility model: the prefabricated slab ladder also includes fixing holes, and the fixing holes are arranged on the side of the floor slab body.
[0013] As a further solution of the utility model: the prefabricated board ladder also includes a mounting seat, and a plurality of mounting seats are provided. The mounting seats are installed on one side of the sliding seat, and the mounting seats are connected through a bracket. A plurality of guardrail support rods are provided on the bracket, and a guardrail is installed on the guardrail support rod.
[0014] The beneficial effects of the utility model are:
[0015] Due to the error between on-site measurement and processing and manufacturing, if the prefabricated board ladder is made into a fixed structure, there may be gaps in the installation of the board ladder due to processing errors. At the same time, most board ladders are customized products. If the board ladder is made into a fixed structure, the production cost will increase due to the need to make different molds. By setting the board ladder assembly to a retractable structure, the width can be adjusted according to the actual situation of the building, and mass production can be carried out to reduce production costs.
[0016] By setting support rods, the firmness of the prefabricated board ladder is improved, and deformation of the prefabricated board ladder is prevented, thereby preventing the service life from being affected; by setting fixing holes, the prefabricated board ladder can be installed on the wall, thereby improving the stability of the prefabricated board ladder.
[0017] By setting the floor to a wooden structure, it is convenient and quick to process and cut on site. By setting anti-slip strips, the anti-slip property of the prefabricated ladder is improved to prevent users from slipping when going up and down the stairs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the side surface of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the ladder assembly of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the mounting plate of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the sliding member of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the cross section of the plate ladder assembly of the utility model.
[0024] In the figure: 1-ladder assembly, 2-guardrail, 3-guardrail support rod, 4-support plate, 5-fixing bolt, 6-floor body, 7-fixing hole, 8-floor, 9-anti-slip strip, 10-support seat, 11-mounting seat, 12-mounting plate, 13-mounting hole, 14-sliding part, 15-telescopic rod one, 16-telescopic rod two, 17-sliding seat, 18-slide groove, 19-support rod. DETAILED DESCRIPTION
[0025] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.
[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0027] A prefabricated ladder for construction, such as Figure 1As shown, it includes a plate ladder assembly 1, and the prefabricated plate ladder is composed of several plate ladder assemblies 1, and the plate ladder assembly 1 includes a floor slab body 6, a sliding groove is provided on one side of the floor slab body 6, and a sliding seat 17 is slidably installed in the groove, a hole is provided at the bottom of the floor slab body 6, and a fastener is provided in the hole, and the fastener is in contact with the sliding seat 17, a sliding groove 18 is provided in the middle of the floor slab body 6, and a fixing groove is provided at the bottom of the sliding groove 18, and a sliding member 14 is slidably installed on the sliding groove 18, and the sliding member 14 is connected to the sliding groove 18 by bolts, and a plurality of sliding members 14 are provided, and a telescopic rod 15 is provided on one side of the sliding member 14, and a telescopic rod 2 16 is slidably installed in the telescopic rod 15, and the telescopic rod 15 and the telescopic rod 2 16 are fixed by fasteners.
[0028] Since there is an error between on-site measurement and processing and manufacturing, if the prefabricated board ladder is made into a fixed structure, there may be a gap in the installation of the board ladder due to the processing error. At the same time, most board ladders are customized products. If the board ladder is made into a fixed structure, the production cost will increase due to the need to make different molds. By setting the board ladder component 1 as a telescopic structure, the width can be adjusted according to the actual situation of the building, and mass production can be carried out to reduce production costs.
[0029] The device is further configured as follows: Figure 6 As shown, the ladder assembly 1 further includes a support rod 19, which is installed on the inner side of the sliding member 14 and connected to the telescopic rod 15 and the telescopic rod 2 16 respectively.
[0030] The support rods 19 are provided to improve the firmness of the prefabricated board ladder and prevent the prefabricated board ladder from being deformed, thereby preventing the service life from being affected.
[0031] The device is further configured as follows: Figure 4 As shown, the plate ladder assembly 1 also includes a support seat 10, and a plurality of support seats 10 are provided. The support seats 10 are respectively installed on the floor body 6 and the slide seat 17, and a mounting plate 12 is installed on the telescopic rod 15, and mounting holes 13 are provided on the mounting plate 12 and the support seat 10.
[0032] The device is further configured as follows: Figure 3 As shown, the prefabricated ladder further comprises a floor 8, which is mounted on a support base 10 and a mounting plate 12 by means of bolts, and the floor 8 is a wooden structure.
[0033] The device is further configured as follows: Figure 3 As shown, the prefabricated board ladder also includes an anti-slip strip 9 , and a plurality of anti-slip strips 9 are provided, and the anti-slip strips 9 are installed on the floor 8 .
[0034] By setting the floor 8 as a wooden structure, it is convenient and quick to process and cut on site. By setting the anti-slip strip 9, the anti-slip property of the prefabricated ladder is improved to prevent users from slipping when going up and down the stairs.
[0035] The device is further configured as follows: Figure 2 , Figure 3 As shown, the prefabricated plate ladder also includes a support plate 4, which is an L-shaped structure. A plurality of mounting holes 13 are provided on the support plate 4, and the plurality of plate ladder assemblies 1 are connected together by mounting the support plate 4 with fixing bolts 5.
[0036] The device is further configured as follows: Figure 2 As shown, the prefabricated slab ladder further includes a fixing hole 7 , and the fixing hole 7 is arranged on the side of the floor slab body 6 .
[0037] The prefabricated board ladder can be installed on the wall by providing the fixing holes 7, thereby improving the stability of the prefabricated board ladder.
[0038] The device is further configured as follows: Figure 1 , Figure 3 As shown, the prefabricated board ladder also includes a mounting seat 11, and a plurality of mounting seats 11 are provided. The mounting seat 11 is installed on one side of the slide 17, and the mounting seat 11 is connected through a bracket, and a plurality of guardrail support rods 3 are provided on the bracket, and a guardrail 2 is installed on the guardrail support rod 3.
[0039] Working principle: adjust the width of the board ladder assembly 1 according to the actual situation of the building, then install the floor 8 on the board ladder assembly 1, use the support plate 4 to connect several board ladder assemblies 1 together, use steel bars and other workpieces to install the prefabricated board ladder on the wall of the building, and then install the guardrail 2 and the guardrail support rod 3 on the side of the board ladder assembly 1. By adjusting the width of the board ladder assembly 1, the installation impact caused by the processing error can be reduced, and at the same time, the production cost can be reduced, which is convenient for enterprises to mass-produce and improve production efficiency.
[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A prefabricated board ladder for construction, comprising a board ladder assembly (1), characterized in that: The prefabricated slab ladder is composed of a plurality of slab ladder assemblies (1), wherein the slab ladder assemblies (1) include a floor slab body (6), a sliding groove is provided on one side of the floor slab body (6), a sliding seat (17) is slidably installed in the groove, a hole is provided at the bottom of the floor slab body (6), a fastener is provided in the hole, the fastener is in contact with the sliding seat (17), a sliding groove (18) is provided in the middle of the floor slab body (6), a fixing groove is provided at the bottom of the sliding groove (18), a sliding member (14) is slidably installed on the sliding groove (18), the sliding member (14) is connected to the sliding groove (18) by bolts, a plurality of sliding members (14) are provided, a telescopic rod 1 (15) is provided on one side of the sliding member (14), a telescopic rod 2 (16) is slidably installed in the telescopic rod 1 (15), and the telescopic rod 1 (15) and the telescopic rod 2 (16) are fixed by fasteners.
2. A prefabricated ladder for construction according to claim 1, characterized in that: The ladder assembly (1) further comprises a support rod (19), wherein the support rod (19) is mounted on the inner side of the sliding member (14) and is respectively connected to the telescopic rod 1 (15) and the telescopic rod 2 (16).
3. A prefabricated ladder for construction according to claim 2, characterized in that: The plate ladder assembly (1) further comprises a support seat (10), wherein a plurality of the support seats (10) are provided, and the support seats (10) are respectively installed on the floor main body (6) and the sliding seat (17), a mounting plate (12) is installed on the telescopic rod (15), and mounting holes (13) are provided on the mounting plate (12) and the support seat (10).
4. A prefabricated ladder for construction according to claim 3, characterized in that: The prefabricated plate ladder also includes a floor (8), wherein the floor (8) is mounted on a support seat (10) and a mounting plate (12) by means of bolts, and the floor (8) is a wooden structure.
5. A prefabricated ladder for construction according to claim 4, characterized in that: The prefabricated board ladder also includes an anti-slip strip (9), a plurality of the anti-slip strips (9) are provided, and the anti-slip strips (9) are installed on the floor (8).
6. A prefabricated ladder for construction according to claim 5, characterized in that: The prefabricated plate ladder further comprises a support plate (4), the support plate (4) being an L-shaped structure, a plurality of mounting holes (13) being provided on the support plate (4), and being mounted on the support plate (4) by fixing bolts (5) to connect a plurality of plate ladder assemblies (1) together.
7. A prefabricated ladder for construction according to claim 6, characterized in that: The prefabricated slab ladder further comprises a fixing hole (7), wherein the fixing hole (7) is arranged on a side of the floor slab body (6).
8. A prefabricated ladder for construction according to claim 7, characterized in that: The prefabricated plate ladder further comprises a mounting seat (11), wherein a plurality of mounting seats (11) are provided, the mounting seat (11) being mounted on one side of the sliding seat (17), the mounting seat (11) being connected via a bracket, a plurality of guardrail support rods (3) being provided on the bracket, and a guardrail (2) being mounted on the guardrail support rod (3).
Citation Information
Patent Citations
Fabricated stair with width-adjustable stair plates
CN220434087U