A ladder stand support fixture

By incorporating an integrated connector, a through-hole threaded hole, and a limiting ring design, the shortcomings of traditional ladder support fasteners in terms of stress concentration and deformation adaptability are resolved, achieving a highly stable and safe connection for the ladder frame.

CN224300323UActive Publication Date: 2026-05-29CHUZHOU HISUN MOULD MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHUZHOU HISUN MOULD MFG CO LTD
Filing Date
2025-04-21
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional ladder frame support fixtures are prone to stress concentration under long-term vibration or lateral force, welded structures are prone to cracking, bolts loosen, and they cannot adapt to small deformations of the ladder frame, resulting in support instability and affecting the normal use of the ladder frame.

Method used

The design incorporates an integrated connector, through-hole threaded hole, and limit ring. Combined with a flared, inclined base, the ladder frame is reliably connected via threaded hole screws. The limit ring restricts axial movement, prevents stress concentration, and enhances overall strength and stability.

Benefits of technology

It improves the support strength and stability of the ladder frame support fasteners, enables non-destructive assembly and disassembly, enhances the installation stability and safety of the ladder frame, and avoids breakage and loosening problems caused by stress concentration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of ladder support fixing piece, including base and connecting port, the both sides of base are equipped with round hole, the connecting port for connecting ladder is equipped on base, the side wall of connecting port is equipped with screw hole, fixed screw is equipped in screw hole, the screw rod end of fixed screw is perpendicular and meets the outer circumferential wall of ladder, the inside of connecting port is equipped with the limit ring of integrated molding.The utility model is by setting screw in connecting port side, and it is realized fixed by the way of screw to ladder exerting interaction force and friction, this kind of fixed mode is not only convenient to install, detachable, and can make ladder stress more uniform, avoid the local deformation problem caused by traditional fixed mode, simultaneously, limit ring is set in the inside of connecting port, the limit ring is integrated with entire support piece, can naturally, reliably limit the axial position of ladder, need not additional component, avoid the risk of external limit component loosening and falling off.
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Description

Technical Field

[0001] This utility model relates to the field of building connector technology, and in particular to a ladder support fixing component. Background Technology

[0002] As the core load-bearing component of the escalator system, the escalator support base is a core component of the high-altitude work platform in building construction. Its function is to connect the escalator to the ground, provide stable support, and distribute the load. With the increasing demands for industrialization and construction efficiency in the construction industry, higher requirements have been placed on the lightweight, quick adjustment, and high stability of the support base.

[0003] However, traditional support fasteners are usually fixed by welding or bolts. Welded structures are prone to stress concentration under long-term vibration or lateral force, which can lead to weld cracking or bolt loosening, causing support instability. In addition, some existing technical solutions use external angle steel or brackets to restrict the movement of the ladder frame, but this method has significant limitations. It requires high stability of the external support and cannot well adapt to the slight deformation that may occur during the use of the ladder frame. Once the external support becomes loose or the ladder frame undergoes slight deformation, the limit may fail, affecting the normal use of the escalator frame. Summary of the Invention

[0004] The purpose of this utility model is to solve the above-mentioned problems by proposing a ladder support and fixing component.

[0005] To achieve the above objectives, the following technical solution was adopted:

[0006] A ladder support and fixing component includes a base and a connecting port. The base has round holes on both sides and a connecting port for connecting the ladder. The connecting port is integrally connected to the base. The side wall of the connecting port has a threaded hole and a fixing screw is provided in the threaded hole. The end of the fixing screw abuts vertically against the outer peripheral wall of the ladder. An integrally formed limiting ring is provided inside the connecting port.

[0007] Furthermore, the base has a flat bottom and a flared bevel at the top, and the left and right sides of the base have planar cuts.

[0008] Furthermore, the circular holes on both sides of the base are provided with grooves, and the diameter of the grooves is larger than the diameter of the circular holes.

[0009] Furthermore, the connection port is a through-type connection port, and an integrally formed protrusion is provided on the side of the connection port along the axial direction of the connection port. The threaded hole is provided on the protrusion and passes through the protrusion.

[0010] Furthermore, the axis of the protrusion forms an angle of 30°-45° with the axis of the base, and the thickness of the protrusion is greater than the thickness of the sidewall of other areas of the connection port.

[0011] Furthermore, the limiting ring is an annular protrusion surrounding the inner wall of the through-type connection port, and the inner diameter of the limiting ring is smaller than the inner diameter of the connection port.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] By designing the top of the base as a flared slope, the overall support strength of the fastener is improved. Furthermore, the slope at the top of the base and the connection port form a cooperative stress-bearing structure, avoiding the problem of easy breakage of right-angle connections. The two sides of the base are designed as flat cuts, which saves materials without reducing the strength of the fastener base itself.

[0014] By setting a through threaded hole on the side of the connector and installing a fixing screw in the threaded hole, the screw applies force to the ladder frame inserted into the connector. Under the action of force and friction, the ladder frame is fastened, achieving non-destructive assembly and disassembly, and taking into account both convenience and stability.

[0015] An integrally molded limiting ring is installed inside the connection port to reduce weak points caused by welding or splicing, improve overall strength, and restrict the ladder frame inserted into the connection port to prevent the ladder frame from passing through it, thus improving safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a ladder support fixing member according to Embodiment 1 of this utility model;

[0017] Figure 2 This is a top view of a ladder support fixing member according to Embodiment 1 of this utility model;

[0018] Figure 3 This is a cross-sectional view of a ladder support fixing component according to Embodiment 1 of this utility model. Detailed Implementation

[0019] The following describes a ladder support and fixing component of this utility model with reference to the accompanying drawings.

[0020] Combination Figure 1 , Figure 2 , Figure 3As shown, a ladder support and fixing component includes a base 100 and a connecting port 200. The base 100 has round holes 101 on both sides, which are used to fix the base 100 to a plane or the ground, preventing the base 100 from shifting during use and improving its structural stability. The base 100 has a connecting port 200 for connecting the ladder 201, which is integrally connected to the base 100. A threaded hole 202 is provided on the side wall of the connecting port 200. The system includes a fixing screw 203, the end of which abuts vertically against the outer peripheral wall of the ladder frame 201. By using radial pressure, the ladder frame 201 is reliably fixed within the connection port 200. An integrally formed limiting ring 204 is provided inside the connection port 200. This ring effectively prevents the ladder frame 201 from detaching axially along the connection port 200, greatly improving the stability and safety of the ladder frame 201 after installation.

[0021] Furthermore, the bottom of the base 100 is flat, which helps to increase the contact area with the ground, improve the support stability, and make the ladder frame 201 more stable during use. The top is provided with a flared slope, which effectively enhances the structural strength between the base 100 and the connection port 200, so that the base 100 and the connection port 200 form a structural system that shares the load, changes the force transmission path, and avoids the problem of breakage that is prone to occur due to stress concentration when the right-angle connection is subjected to force. The left and right sides of the base 100 are flat cuts, which helps to reduce the overall weight and makes the base 100 easier to install and use in various scenarios.

[0022] Furthermore, grooves 102 are provided in the circular holes 101 on both sides of the base 100. The diameter of the grooves 102 is larger than the diameter of the circular holes 101. The grooves 102 can accommodate the screw heads, so that the screw heads do not protrude from the surface of the base 100, ensuring the flatness of the surface of the base 100 after installation. At the same time, the grooves 102 can increase the contact area between the screw heads and the base 100, disperse the pressure generated when the screws are fixed, prevent damage to the base 100 due to excessive local pressure, enhance the stability and reliability of the connection between the screws and the base 100, and thus improve the stability of the entire ladder support fastener.

[0023] Furthermore, the connection port 200 is a through-type connection port; when the fixing screw 203 is tightened, its screw end abuts vertically against the outer peripheral wall of the ladder frame 201, achieving reliable fixation of the ladder frame 201 within the connection port 200 through radial pressure; an integrally formed limiting ring 204 is provided inside the connection port 200. This through-type limiting ring 204 is used to evenly transmit the load from the ladder frame 201 and avoid stress concentration, while simultaneously preventing the ladder frame 201 from moving axially along the connection port 200 from the inside, thereby transmitting the load to the base 100 and reliably limiting the ladder frame. Position 201; thereby avoiding local deformation or breakage caused by stress concentration; the side of the connection port 200 is provided with an integrally formed protrusion 205 along the axial direction of the connection port 200, and the threaded hole 202 is provided on the protrusion 205 and penetrates the protrusion 205. By setting the threaded hole 202 on the protrusion 205, the fixing screw 203 can apply radial pressure more stably to the outer peripheral wall of the ladder frame 201 when tightening, thereby achieving reliable fixation of the ladder frame 201 and improving the firmness and stability of the connection between the ladder frame 201 and the supporting fastener.

[0024] Furthermore, the axis of the protrusion 205 forms an angle of 30°-45° with the axis of the base 100. Since the base 100 has flat cuts on both sides and lacks a slope like the top, its load-bearing strength is relatively weak. Setting the protrusion 205 at a certain angle allows it to connect and combine with the slope of the top of the base 100, effectively enhancing the overall structural strength and ensuring that it can withstand greater external forces when fixing the ladder 201. It also avoids the abruptness caused by protruding from the side of the base 100. The thickness of the protrusion 205 is greater than the thickness of the sidewall of other areas of the connection port 200. The protrusion 205, which is integrally formed with the connection port 200, enhances the structural strength of the sidewall of the connection port 200, preventing deformation due to excessive local force when screwing in the fixing screw 203, and ensuring the integrity and stability of the threaded hole 202.

[0025] Furthermore, the limiting ring 204 is an annular protrusion surrounding the inner wall of the through-type connection port 200. The inner diameter of the limiting ring 204 is smaller than the inner diameter of the connection port 200. The through-type limiting ring 204 can evenly transmit the load brought by the ladder frame 201, avoid stress concentration, and can prevent the ladder frame 201 from continuing to move or disengage along the axial direction of the connection port 200 from the inside. This reliably limits the position of the ladder frame 201, ensuring that the ladder frame 201 remains stable during use, and greatly improving the safety and reliability of the ladder frame support fixing component during operation.

[0026] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of this application. Those skilled in the art may find other optimizations and additional functions in this application. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A ladder support and fixing component, comprising a base (100) and a connecting port (200), characterized in that: The base (100) has round holes (101) on both sides. The base (100) has a connection port (200) for connecting the ladder frame (201). The connection port (200) is integrally connected to the base (100). The side wall of the connection port (200) has a threaded hole (202). The threaded hole (202) has a fixing screw (203) inside. The end of the screw (203) abuts vertically against the outer peripheral wall of the ladder frame (201). The connection port (200) has an integrally formed limiting ring (204) inside.

2. The ladder support and fixing member as described in claim 1, characterized in that: The base (100) has a flat bottom and a flared slope at the top. The left and right sides of the base (100) are planar cuts.

3. The ladder support and fixing member as described in claim 1, characterized in that: The base (100) has grooves (102) in the round holes (101) on both sides, and the diameter of the grooves (102) is larger than the diameter of the round holes (101).

4. The ladder support and fixing member as described in claim 1, characterized in that: The connection port (200) is a through connection port. The side of the connection port (200) is provided with an integrally formed protrusion (205) along the axial direction of the connection port (200). The threaded hole (202) is provided on the protrusion (205).

5. The ladder support and fixing member as described in claim 4, characterized in that: The axis of the protrusion (205) forms an angle of 30°-45° with the axis of the base (100), and the thickness of the protrusion (205) is greater than the thickness of the sidewall of the remaining area of ​​the connection port (200).

6. The ladder support and fixing member as described in claim 1, characterized in that: The limiting ring (204) is an annular protrusion surrounding the inner wall of the through-type connection port (200), and the inner diameter of the limiting ring (204) is smaller than the inner diameter of the connection port (200).