A supporting structure for the bottom of a vertical steel pipe of a steel pipe scaffold on a slope

Abstract

The utility model relates to the field of erecting scaffold, disclose a kind of steel pipe scaffold upright pole bottom support structure on side slope mass, comprising: base pole, support pole and adjusting base;Base pole first end is obliquely embedded in side slope, second end projects side slope, and is connected with support pole first end by pole end joint bearing, and adjusting base and vertical steel pipe are sleeved on support pole, support pole second end is inserted into vertical steel pipe, and the upper end surface of adjusting base and vertical steel pipe lower end surface abut, and pole end joint bearing is equipped with locking assembly, and locking assembly is used to lock the relative rotation between base pole and support pole, solve the technical problems such as unstable root, poor adaptability, inconvenient adjustment when erecting scaffold on side slope.

Description

Technical Field

[0001] This utility model relates to the field of scaffolding erection technology, and in particular to a bottom support structure for steel pipe scaffolding uprights on a slope. Background Technology

[0002] During the operation of existing railway lines, high slope reinforcement and treatment is an important maintenance task. The erection of scaffolding during high slope reinforcement and treatment construction is a crucial link in ensuring the safety of reinforcement work and railway line operation. Compared with conventional construction scaffolding and other slope scaffolding, railway operating line high slope scaffolding is characterized by steep slopes, poor slope flatness, limited erection width, large height-to-width ratio, and higher requirements for safety and stability. A step-by-step, slope-adjusting erection method is typically adopted. During slope construction, the scaffolding is erected upwards along the slope according to the predetermined longitudinal and transverse upright spacing. Once the width of each layer of scaffolding exceeds 4 meters, and the working width of the slope is met, that section of the scaffolding is not raised further. This process forms a step-by-step slope-adjusting scaffolding, ensuring both working space and the safety and stability of the scaffolding and railway operation. The scaffolding is extended upwards along the slope according to the calculated upright spacing. When the designated pole position is on the slope, it is not possible to place the base support as in the conventional pole placement method. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a bottom support structure for steel pipe scaffolding uprights on slopes.

[0004] This utility model provides a bottom support structure for steel pipe scaffolding uprights on a slope, including: a foundation pole, a support pole and an adjustment base; The first end of the foundation rod is inclined and buried in the slope, and the second end extends out of the slope and is connected to the first end of the support rod through the rod end joint bearing. The support rod is fitted with an adjusting base and a vertical steel pipe. The second end of the support rod is inserted into the vertical steel pipe, and the upper end face of the adjusting base abuts against the lower end face of the vertical steel pipe. The rod end joint bearing is equipped with a locking component, which is used to lock the relative rotation between the foundation rod and the support rod.

[0005] Optionally, both the base rod and the support rod are made of Q335 steel, and the rods are threaded. The support rod is threaded to the adjusting base.

[0006] Optionally, the thickness of the support plate of the adjustable base is greater than 10mm.

[0007] Optionally, the foundation pole can be buried for a length greater than 500mm.

[0008] Optionally, the length of the support rod inserted into the vertical steel pipe is greater than 250mm, and the support rod and the vertical steel pipe are fitted with a clearance of less than 2.5mm.

[0009] Optionally, the angle between the axis of the foundation rod and the normal to the slope surface is 0° to 45°.

[0010] Optionally, the portion of the foundation pole embedded in the slope can be anchored using rebar adhesive.

[0011] Optionally, the locking assembly includes a pair of locking lugs and a locking bolt; the locking lugs are respectively fixedly connected to the second end of the base rod and the first end of the support rod.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art: This utility model embeds the foundation rod at an angle within the slope, inserting the first anchoring section of the foundation rod into the hole to the designed depth. The foundation rod is then firmly anchored within the slope. Next, one end of the rod end joint bearing is connected to the second end of the foundation rod extending out of the slope, and the other end is connected to the first end of the support rod. At this point, the support rod can swing freely relative to the foundation rod within a certain angle range. Then, the adjusting base is fitted onto the second end of the support rod. Finally, the vertical steel pipe of the scaffolding upright is fitted onto the second end of the support rod. This design allows for full utilization of the stability of the original soil, providing a reliable foundation for the upper scaffolding. The top of the scaffolding connects to the support rod via end bearings, giving the structure flexibility to adapt to uneven slopes. Simultaneously, the design of the support rod with an adjustable base inserted into a vertical steel pipe creates a height-adjustable and clearly force-transmitting support system. This not only allows for convenient adjustment of the upright height to adapt to different slopes but also effectively transfers the scaffolding load through the base, support rod, and hinged components to the stable foundation rod. This comprehensively solves the technical problems of unstable foundations, poor adaptability, and inconvenient adjustment when erecting scaffolding on slopes, significantly improving construction safety and convenience. Attached Figure Description

[0013] Figure 1 A schematic diagram of the bottom support structure of a steel pipe scaffolding upright on a slope, provided for an embodiment of this utility model; Explanation of reference numerals in the attached figures: 1. Foundation pole; 2. Support pole; 3. Adjustable base; 4. Pole end joint bearing; 5. Vertical steel pipe; 6. Slope. Detailed Implementation

[0014] The following describes a specific embodiment of the present invention in detail with reference to the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0015] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the technical solution of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] The present invention will be described below through several specific embodiments. To keep the following description of the embodiments of the present invention clear and concise, detailed descriptions of known functions and components may be omitted. When any component of an embodiment of the present invention appears in more than one drawing, the component may be represented by the same reference numerals in each drawing.

[0017] like Figure 1 As shown, this utility model embodiment provides a bottom support structure for steel pipe scaffolding uprights on a slope 6, including: a base pole 1, a support pole 2, and an adjusting base 3; the first end of the base pole 1 is inclinedly embedded in the slope 6, and the second end extends out of the slope 6 and is connected to the first end of the support pole 2 through a pole end joint bearing 4; the support pole 2 is fitted with an adjusting base 3 and a vertical steel pipe 5; the second end of the support pole 2 is inserted into the vertical steel pipe 5, and the upper end face of the adjusting base 3 abuts against the lower end face of the vertical steel pipe 5; the pole end joint bearing 4 is provided with a locking component, which is used to lock the relative rotation between the base pole 1 and the support pole 2.

[0018] Specifically, the base rod 1 and the support rod 2 have the same diameter, which improves the overall stress safety. The fixed end of the rod end spherical bearing 4 is fixedly connected to the end of the base rod 1 that extends out of the slope, and the rotating end is rotatably connected to the first end of the support rod 2.

[0019] Furthermore, the inclined foundation poles 1 adapt to complex slopes with varying gradients, forming a clear load transfer path and effectively avoiding stress concentration. The end joint bearings 4 eliminate stress concentration by releasing bending moments and achieve automatic leveling and self-adaptation. When minor deformation occurs in the slope 6, they ensure the adjusting base 3 at the upper end of the support pole 2 remains horizontal, thus guaranteeing the scaffold uprights are always in an ideal vertical compression state, significantly improving the system's safety redundancy. The adjusting base 3 allows for precise leveling to compensate for unevenness in the slope 6, ensuring consistent elevation at the bottom of the uprights. Its modular installation process is quick and requires less technical skill from workers. The deep embedding of the foundation poles 1 provides strong pull-out and shear resistance, fundamentally preventing horizontal slippage and vertical settlement of the support points. By providing each upright with an independent and reliable foundation, it ensures the scaffold uprights primarily bear reasonable axial pressure, resulting in overall stability and safety far superior to traditional methods. It effectively protects scaffolding components, extends service life, and is widely applicable to various slope scenarios such as soil and rock, with its advantages being more obvious in harsh working conditions such as high slopes and heavy-duty scaffolding.

[0020] Optional, see reference Figure 1 Both the base rod 1 and the support rod 2 are made of Q335 steel. Both the base rod 1 and the support rod 2 are threaded. The support rod 2 is threadedly connected to the adjusting base 3.

[0021] Specifically, using high-strength Q355 steel, the foundation pole 1 can withstand greater lateral pressure from the soil and rock mass in its embedded section. Simultaneously, the support pole 2 exhibits higher compressive strength and stability when bearing the vertical load transmitted by the scaffolding, enhancing the overall load-bearing capacity and safety margin of the support structure. The support pole 2 and the adjusting base 3 are connected by precision-machined threads, utilizing the large contact area of ​​the threaded pair to achieve a smooth transition and transmission of force. This connection provides reliable load-bearing capacity, and the effective length of the support pole 2 can be precisely controlled by rotating the adjusting base 3, thus efficiently completing the leveling of the scaffolding uprights and compensating for the unevenness of the slope 6. The adjustment process is smoother and more precise. Furthermore, the threads machined on the foundation pole 1 greatly enhance its mechanical engagement and anchoring force with the soil or rock mass of the slope 6. The raised ridges of the threads increase the contact area and surface roughness between the pole and the surrounding medium, thereby generating frictional resistance and embedding force higher than that of smooth-surfaced poles.

[0022] Ultimately, the combination of high-strength materials and threaded connections ensures structural integrity, ease of construction, and long-term durability, while further enhancing the safety and reliability of the structure under various harsh working conditions.

[0023] Optional, see reference Figure 1 The thickness of the support plate of the adjusting base 3 is greater than 10mm.

[0024] The support plate of the adjusting base 3 is thicker than 10mm, increasing the cross-sectional thickness of the plate and improving its section modulus and moment of inertia, thereby directly and effectively enhancing the rigidity and bending strength of the support plate itself. When bearing the huge concentrated load from the scaffolding uprights, the sufficiently thick support plate can effectively resist bending deformation, avoiding warping, crushing, or plastic deformation caused by an excessively thin base plate, ensuring the long-term flatness and stability of the support plane. The increased thickness results in less deformation of the support plate under stress, which helps to distribute the concentrated load of the vertical steel pipe 5 more evenly to the threads of the adjusting base 3 and the entire support structure below it, avoiding excessive stress concentration at the contact point and optimizing the force transmission path. It also has stronger wear and corrosion resistance and can withstand impact loads or unexpected eccentric loads that may occur during construction, improving the durability of the entire base and providing a more reliable safety guarantee for the scaffolding system.

[0025] Optional, see reference Figure 1 The foundation pole 1 has an embedded length greater than 500mm.

[0026] Anchoring depth in the rock slope should be no less than 500mm. If there is a surface soil layer, the anchoring depth should be increased accordingly. Rod A should be installed diagonally downwards. With an embedment depth of no less than 500mm, the anchoring section of foundation rod 1 can penetrate potentially loose surface layers and reach deep into the soil and rock layer. This increases the contact area and bond strength between the anchor body and the surrounding medium, resisting the pull-out force generated by the scaffold load. Sufficient embedment length provides space for the mechanical interlocking force and frictional resistance between the rod thread and the soil / rock mass.

[0027] Optional, see reference Figure 1 The length of the support rod 2 inserted into the vertical steel pipe 5 is greater than 250mm, and the support rod 2 and the vertical steel pipe 5 are fitted with a clearance of less than 2.5mm.

[0028] Anchoring depth in slope rock should be no less than 50 mm. If there is a surface soil layer, the anchoring depth should be increased accordingly. A-bar is set diagonally downwards, and the anchoring depth has little impact on the slope. An insertion length greater than 250 mm provides sufficient contact area between the support rod 2 and the vertical steel pipe 5, allowing the axial pressure borne by the vertical steel pipe 5 to be smoothly and reliably transferred to the support rod 2 below through this overlapping area. This avoids local instability or connection failure due to insufficient insertion depth, enhancing the force transmission efficiency and stability of the joint. The clearance fit between the support rod 2 and the vertical steel pipe 5 allows the vertical steel pipe 5 to provide lateral restraint to the top of the support rod 2. This improves the joint's resistance to lateral loads and accidental bending moments, prevents significant lateral swaying or displacement of the top of the support rod 2 within the vertical steel pipe 5, and ensures the verticality of the scaffold uprights.

[0029] Optional, see reference Figure 1 The angle between the axis of the foundation rod 1 and the normal line of the slope 6 is 0° to 45°.

[0030] Scaffold loads can be decomposed into "pull-out force" perpendicular to the slope and "slippage force" parallel to the slope. When the angle between the axis of foundation rod 1 and the normal is 0°, it can most directly resist the pull-out force. However, as the angle increases to 45°, the embedding direction of foundation rod 1 gradually shifts towards a direction that better resists the slippage force. The range of 0° to 45° provides flexibility, allowing designers to select the most effective anchorage angle based on the most dominant load or a combination of both, to maximize overall resistance. In actual engineering, the load direction on scaffolding often involves point contact and interlocking with the soil.

[0031] Optional, see reference Figure 1 The portion of the foundation pole 1 embedded within the slope 6 is anchored using rebar adhesive.

[0032] Specifically, after curing, the anchoring adhesive penetrates and fills cracks and pores in the soil and rock mass. This process eliminates water and air in the anchoring zone, preventing corrosion of the anchor rod. It acts as a reinforcement of the soil and rock mass in the anchoring zone, forming a stronger composite reinforced body with the base rod 1 at its core, thus capable of bearing greater loads. The anchoring adhesive provides continuous and reliable bonding force, while the rod threads provide strong mechanical interlocking force. Working together, they complement and redundancy each other; even in the extreme case of partial failure of one function, the other can still provide sufficient anchoring force. This redundant design greatly enhances the reliability and durability of the entire anchoring system under long-term loads, dynamic loads, or harsh environments.

[0033] First, drill holes on slope 6 according to the designed positions and angles, clean the holes, and inject anchoring adhesive. Insert the first anchoring section of the foundation rod 1 into the hole to the designed depth. After the adhesive cures, the foundation rod 1 is firmly anchored to the slope. Then, connect one end of the rod end joint bearing 4 to the second end of the foundation rod 1 extending out of the slope, and the other end to the first end of the support rod 2. At this time, the support rod 2 can swing freely relative to the foundation rod 1 within a certain angle range. Next, slide the adjusting base 3 onto the second end of the support rod 2. Then, slide the vertical steel pipe 5 of the scaffold upright onto the second end of the support rod 2. Finally, rotate the adjusting base 3 to screw it onto the threads of the support rod 2 until its upper end face tightly abuts against the lower end face of the vertical steel pipe 5. Continue to rotate the adjusting base 3 to lift and level the entire vertical steel pipe 5, ultimately making the upright vertical and transferring the load through the support structure.

[0034] Optional, see reference Figure 1 The locking assembly includes a pair of locking lugs and a locking bolt; the locking lugs are fixedly connected to the second end of the base rod and the first end of the support rod, respectively.

[0035] When the support rod 2 is rotated to the target angle, the through holes on the pair of locking lugs align and are locked in place by the locking bolts. When the support rod 2 is rotated so that the vertical steel pipe 5 at its top is in a vertical position, the through holes on the pair of locking lugs will align. At this time, the locking bolts are inserted and the nuts are tightened to rigidly connect the base rod 1 and the support rod 2, locking the joint bearing and preventing subsequent rotation.

[0036] The above-described embodiments are merely a few specific examples of this utility model. However, the embodiments of this utility model are not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of this utility model.

Claims

1. A bottom support structure for steel pipe scaffolding uprights on a slope, characterized in that, include: Base rod, support rod and adjustment base; The first end of the foundation rod is inclinedly embedded in the slope, and the second end extends out of the slope and is connected to the first end of the support rod through a rod end joint bearing. An adjusting base and a vertical steel pipe are fitted on the support rod. The second end of the support rod is inserted into the vertical steel pipe, and the upper end face of the adjusting base abuts against the lower end face of the vertical steel pipe. The rod end joint bearing is equipped with a locking component, which is used to lock the relative rotation between the foundation rod and the support rod.

2. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, Both the base rod and the support rod are made of Q335 steel and are threaded. The support rod is threaded to the adjusting base.

3. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 2, characterized in that, The thickness of the support plate of the adjustment base is greater than 10mm.

4. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, The foundation pole has an embedded length greater than 500mm.

5. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, The length of the support rod inserted into the vertical steel pipe is greater than 250mm, and the support rod and the vertical steel pipe are fitted with a clearance of less than 2.5mm.

6. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, The angle between the axis of the foundation rod and the normal to the slope surface is 0° to 45°.

7. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, The portion of the foundation pole embedded in the slope is anchored using rebar adhesive.

8. The bottom support structure for steel pipe scaffolding uprights on a slope as described in claim 1, characterized in that, The locking assembly includes a pair of locking lugs and a locking bolt; the locking lugs are respectively fixedly connected to the second end of the base rod and the first end of the support rod.

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