Electric pole base metal framework

Abstract

The utility model relates to the technical field of electric pole base structures, in particular to an electric pole base metal framework which comprises two sets of flange plates arranged in parallel, a plurality of sets of axial frameworks parallel to the axial direction of the flange plates and arranged at equal intervals around the circumference of the central axis of the flange plates, an annular framework and connecting pieces. The two ends of the axial framework are fixed to the corresponding flange plates respectively, the annular frameworks are arranged on the axial framework in a winding mode, the multiple sets of annular frameworks are arranged at equal intervals along the central axis of the axial framework, the connecting pieces are arranged between the adjacent annular frameworks, and the axial framework and the annular frameworks are fixedly connected through the connecting pieces. According to the utility model, a steel wire bundling structure is replaced by a buckle connection structure of the connecting pieces, the connecting rods and the metal rings are fixedly connected, the operation is convenient and fast, the working efficiency is high, and the labor intensity is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of pole base structure technology, and in particular to a metal frame for pole base. Background Technology

[0002] Metal frames for utility pole bases typically come in various forms, including screw-type metal frames, reinforced concrete composite metal frames, steel structure frame metal frames, and prefabricated metal frames. Among these, screw-type metal frames are widely used in street light pole bases and small communication pole bases due to their advantages such as quick installation, simple operation, easy adjustment, stability, reliability, and economic and environmental friendliness.

[0003] Screw-type metal frames typically consist of four or more screws, which are usually vertically positioned. Their upper ends are exposed after the concrete is poured and are used to connect to the flange at the bottom of the pole. Several sets of metal rings are wrapped around the screws as a circumferential frame. The screws and metal rings are usually tied together with steel wire. However, using iron wire for binding can lead to uneven stress at the intersection of the metal rings and screws, resulting in stress concentration and reducing the service life of the screw-type metal frame.

[0004] Therefore, there is an urgent need for a metal frame structure that can quickly complete the fixed connection between the screw and the metal ring. Utility Model Content

[0005] To address the above problems, this utility model provides a metal frame for a utility pole base. By using a snap-fit ​​connection structure instead of a wire binding structure, the axial frame and the circumferential frame are fixedly connected, ensuring that the intersection of the axial frame and the circumferential frame is in a perpendicular and coordinated state. This ensures that each intersection node of the axial frame and the circumferential frame is in a state of balanced stress, resulting in a longer service life.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A metal frame for a utility pole base, comprising:

[0008] Flange plates, axial skeletons, circumferential skeletons, and connectors;

[0009] Two sets of flange plates are arranged in parallel.

[0010] The axial skeleton is arranged in several groups parallel to the axial direction of the flange plate, and the axial skeleton is arranged equidistantly around the central axis of the flange plate, and the two ends of the axial skeleton are respectively fixed to the corresponding flange plate.

[0011] The circumferential skeleton is wound around the axial skeleton, and several groups of the circumferential skeleton are arranged at equal intervals along the central axis of the axial skeleton, and the circumferential skeleton is arranged in parallel between the flange plates.

[0012] The connector is disposed between adjacent circumferential skeletons, and the connector is fixedly connected to the axial skeleton and the circumferential skeleton, and adjacent connectors are respectively located on two adjacent sets of axial skeletons.

[0013] As an improvement, the connector includes an integrally formed circumferential portion, a fastening portion, and a connecting portion;

[0014] The longitudinal section of the circumferential portion is arc-shaped, and the circumferential portion covers the axial skeleton;

[0015] The fastening parts are symmetrically arranged on both sides of the axial direction of the circumferential part. The fastening parts are semi-circular and are fastened to the corresponding circumferential skeletons respectively.

[0016] The connecting portion is symmetrically arranged on both sides of the axial direction of the circumferential portion, and the connecting portion connects the circumferential portion and the fastening portion.

[0017] As an improvement, the included angle α of the longitudinal section of the circumferential portion is greater than 180°, and the diameter of the circumferential portion is smaller than the diameter of the axial skeleton.

[0018] As an improvement, the diameter of the fastening part is set to be equal to the diameter of the circumferential skeleton.

[0019] As an improvement, the spacing of the fastening portions on the connector is set to be equal to the spacing of the adjacent circumferential skeleton.

[0020] As an improvement, the two ends of the axial frame are fixedly connected to the flange plate by welding.

[0021] As an improvement, the axial frame has a thread on the longer end extending from the flange plate, and a reinforcing plate is fitted on the thread. The reinforcing plate is fixed to the axial frame by nuts on both sides.

[0022] The beneficial effects of this utility model are as follows:

[0023] (1) This utility model uses a connector snap-fit ​​connection structure to replace the steel wire binding structure, and fixes the axial skeleton and the circumferential skeleton to ensure that the intersection of the axial skeleton and the circumferential skeleton is in a vertically intersecting state, so that each intersection node of the axial skeleton and the circumferential skeleton is in a state of balanced force and has a longer service life.

[0024] (2) The connector used in this utility model can simultaneously fasten two adjacent sets of circumferential skeletons and axial skeletons. Compared with traditional steel wire binding, the installation process is simpler and faster, greatly improving the assembly efficiency and effectively shortening the construction cycle. At the same time, the connector adopts an integrated molding design, which makes the structure stable and reliable. The circumferential part and the fastening part are closely fitted to the axial skeleton and circumferential skeleton, avoiding loosening of the connection due to vibration, external force and other factors during long-term use, and further enhancing the stability of the entire metal skeleton structure.

[0025] (3) In this utility model, the arc diameter of the circumferential part is smaller than the diameter of the axial skeleton, which allows the circumferential part to have an interference fit with the axial skeleton, ensuring that the connection between the connector and the axial skeleton will not be displaced. The diameters of the fastening part and the circumferential skeleton are equal, and the fastening is tight. Furthermore, the distance between the fastening parts is equal to the distance between adjacent circumferential skeletons, ensuring accurate positioning when installing the circumferential skeleton, making the entire metal skeleton structure more regular, and the force on each component is uniform, which is conducive to improving the mechanical properties and service life of the metal skeleton.

[0026] (4) In this utility model, the axial skeleton and the flange plate are fixed by welding to ensure the connection between the metal skeleton and the pole base is stable and to ensure the safety of the pole during use. The setting of the reinforcing plate further enhances the strength of the connection between the axial skeleton and the flange plate. When the pole is subjected to a large external force, the reinforcing plate can share part of the stress and prevent deformation or breakage at the connection between the axial skeleton and the flange plate, thereby improving the adaptability and reliability of the metal skeleton in harsh environments.

[0027] In summary, this utility model has the advantages of convenient installation, simple operation, high work efficiency, and high fitting accuracy, and is especially suitable for the field of pole base structure technology. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the three-dimensional structure of the metal skeleton of this utility model. Figure 1 ;

[0029] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0030] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point B;

[0031] Figure 4 This is a three-dimensional structural diagram of the connector of this utility model;

[0032] Figure 5 This is a side view of the connector structure of this utility model;

[0033] Figure 6This is a schematic diagram of the three-dimensional structure of the metal skeleton of this utility model. Figure 2 ;

[0034] Figure 7 This is a schematic diagram of the axial skeleton fracture structure of this utility model.

[0035] In the figure: flange plate 1, axial skeleton 2, thread 21, nut 22, circumferential skeleton 3, connector 4, circumferential part 41, fastening part 42, connecting part 43, reinforcing plate 5. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] Example 1:

[0040] like Figures 1 to 7 As shown, a metal frame for a utility pole base includes:

[0041] Flange plate 1, axial frame 2, circumferential frame 3, and connecting parts 4;

[0042] Two sets of flange plates 1 are arranged in parallel. The flange plates 1 provide a basic mounting surface for the axial frame 2. The flange plates 1 not only bear the vertical load transmitted from the axial frame 2, but also play a positioning and reference role during the installation process, ensuring the installation accuracy and verticality of the entire metal frame structure.

[0043] The axial skeleton 2 is arranged in several groups parallel to the axial direction of the flange plate 1, and the axial skeleton 2 is arranged equidistantly around the central axis of the flange plate 1. This arrangement allows the external forces from all directions to be evenly distributed to the axial skeleton 2 after the pole is installed, avoiding stress concentration. The two ends of the axial skeleton 2 are respectively fixed to the corresponding flange plate 1, and the axial skeleton 2 and the flange plate 1 form a rigid whole, effectively transmitting the tensile and compressive forces from the pole, and ensuring the stability and reliability of the connection between the metal skeleton and the pole base.

[0044] The circumferential skeleton 3 is wound around the axial skeleton 2. Several groups of the circumferential skeleton 3 are arranged at equal intervals along the central axis of the axial skeleton, and the circumferential skeleton 3 is arranged in parallel between the flange plates 1. The arrangement of the circumferential skeleton 3 greatly enhances the overall torsional resistance and circumferential stability of the metal skeleton. When the pole is subjected to external forces in the horizontal direction such as wind load and earthquake, the circumferential skeleton can work together with the axial skeleton to resist the external forces and prevent the metal skeleton from twisting and deforming due to horizontal forces. At the same time, the equidistantly arranged circumferential skeleton can also evenly distribute the constraint force of the concrete, so that the concrete forms a more uniform wrapping and support for the metal skeleton during the curing process, further improving the collaborative working performance of the entire metal skeleton and the concrete base.

[0045] The connector 4 is disposed between adjacent circumferential skeletons 3. The connector 4 fixes the axial skeleton 2 and the circumferential skeleton 3. The connector 4 can simultaneously fasten the axial skeleton and two adjacent sets of circumferential skeletons, tightly combining the axial and circumferential force systems together. The adjacent connectors 4 are respectively located on two adjacent sets of axial skeletons 2. This staggered distribution makes the forces on the axial skeleton 2 and the circumferential skeleton 3 more balanced in all directions, effectively avoiding local stress concentration.

[0046] Secondly, the staggered distribution of connectors 4 can reduce the number of connectors used, while ensuring the stability of the structure. The reduction of connectors 4 means that the workload of manufacturing and installation is also reduced accordingly, further reducing labor and time costs.

[0047] It should be noted that, through the fixed connection of connector 4, the axial frame 2 and the circumferential frame 3 form a stable spatial force network. The axial frame 2 provides the main support force, the circumferential frame 3 enhances the bending resistance of the structure, and the connector 4 ensures a firm connection between the various components, greatly improving the overall mechanical performance and structural stability of the metal frame, and ensuring that the metal frame of the pole base can still be used reliably in complex operating environments.

[0048] Furthermore, the connector 4 includes an integrally formed circumferential portion 41, a fastening portion 42, and a connecting portion 43. The integral forming process ensures a seamless connection between the circumferential portion 41, the fastening portion 42, and the connecting portion 43, avoiding weak points that may be caused by welding or other assembly methods, greatly improving the reliability of the connector under complex stress conditions. In addition, the overall structure simplifies the installation process and reduces assembly time and labor costs.

[0049] The longitudinal section of the encircling part 41 is arranged in an arc shape. The encircling part 41 covers the axial frame 2. This shape can better cover the axial frame 2 and ensure close contact between the connector and the axial frame.

[0050] The fastening part 42 is symmetrically arranged on both sides of the axial direction of the circumferential part 41. The fastening part 42 is semi-circular and is fastened to the corresponding circumferential frame 3. When the metal frame of the pole base is subjected to external force, the fastening part 42 can effectively transfer the force borne by the circumferential frame 3 to the circumferential part 41, and then to the axial frame 2, so that the axial frame 2 and the circumferential frame 3 are subjected to force together. Compared with the traditional steel wire binding, this fastening design greatly improves the reliability and stability of the connection, ensuring that the connection between the circumferential frame 3 and the axial frame will not loosen due to external force during long-term use.

[0051] The connecting part 43 is symmetrically arranged on both sides of the axial direction of the circumferential part 41. The connecting part 43 connects the circumferential part 41 and the fastening part 42. The main function of the connecting part 43 is to transmit load, distribute the force between the circumferential part 41 and the fastening part 42 evenly, avoid local stress concentration, and ensure that the entire connector can remain stable when under force.

[0052] Furthermore, the included angle α of the longitudinal section of the circumferential part 41 is greater than 180°. The larger the included angle α, the larger the contact area between the circumferential part 41 and the axial frame 2, and the greater the friction between the two, which more effectively prevents the axial frame from rotating or displacing within the circumferential part.

[0053] Furthermore, the arc diameter of the encircling part 41 is smaller than the diameter of the axial frame 2. During installation, a certain external force needs to be applied to the encircling part 41 to cause it to undergo elastic deformation, thereby fitting onto the axial frame. After installation, the encircling part 41, due to its elastic recovery characteristics, tightly hugs the axial frame, forming an interference fit effect. This greatly enhances the stability of the connection between the encircling part and the axial frame, preventing relative sliding between the axial frame 2 and the encircling part 41 under conditions such as vibration and external impact. This effectively ensures the stability of the entire connection structure and improves the reliability of the pole base metal frame under complex working conditions.

[0054] It should be further explained that the diameter of the fastening part 42 is set to be equal to the diameter of the circumferential frame 3, and the two can achieve seamless connection during the fastening process. This tight fastening method can ensure that the contact area between the fastening part 42 and the circumferential frame 3 is maximized, thereby evenly transmitting and distributing the force.

[0055] Furthermore, when the fastening part 42 is consistent with the diameter 3 of the circumferential frame, the installer can easily and accurately fasten the fastening part to the circumferential frame without making complicated adjustments or additional adaptation work during the operation. This not only improves the installation efficiency and reduces human error during the installation process, but also ensures the consistency of the quality of each fastening.

[0056] In addition, the spacing of the fastening parts 42 on the connector 4 is set to be equal to the spacing of the adjacent circumferential frame 3. The design that the fastening parts 42 are equally spaced from the circumferential frame 3 helps to distribute the force evenly and avoids structural damage caused by excessive local force due to inconsistent spacing of the fastening parts 42.

[0057] Secondly, this equidistant design greatly simplifies the installation process. When installers are assembling the equipment, they only need to install the connectors 4 sequentially between adjacent circumferential frames 3 according to the established spacing pattern. There is no need to temporarily measure or adjust the spacing between the circumferential frames 3, which greatly saves installation time and improves installation efficiency.

[0058] Furthermore, the two ends of the axial frame 2 are fixedly connected to the flange plate 1 by welding. The welding connection can improve the connection strength between the axial frame 2 and the flange plate 1, and avoid structural deformation or damage due to loose connection.

[0059] Furthermore, the axial frame 2 has a thread 21 on the longer end extending from the flange plate 1. A reinforcing plate 5 is fitted on the thread 21. The reinforcing plate 5 is fixed to the axial frame 2 by nuts 22 on both sides. The reinforcing plate 5 increases the contact area between the metal frame and the ground. When the metal frame of the pole base is subjected to complex external forces, such as the torsional force generated by the pole under strong winds or the uneven force caused by ground subsidence, the reinforcing plate 5 can disperse the stress borne by the extended end of the axial frame 2 and improve the pole's anti-overturning ability.

[0060] Working process: First, determine the position of one side flange plate. Then, sequentially install the axial skeleton onto one side flange plate according to the requirement of equidistant arrangement around the central axis of the flange plate. After installation, weld and fix the axial skeleton to the flange plate on one side. Next, fit the circumferential skeleton onto the outside of the axial skeleton, install the connectors, aligning their circumferential parts with the axial skeleton, and utilize the elastic deformation of the circumferential parts to fit tightly onto the axial skeleton. Then, fasten the fastening parts on both sides of the connectors to the corresponding circumferential skeletons. Install adjacent connectors on adjacent sets of axial skeletons respectively. Continue this process to complete the installation of all connectors between the circumferential and axial skeletons. Then, fit the other side flange plate onto the axial skeleton. Finally, weld and fix the connection between the axial skeleton and the flange plate. Install reinforcing plates on the threaded part of the axial skeleton and secure them with nuts.

[0061] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A metal frame for a utility pole base, characterized in that, include: Flange plate (1), axial skeleton (2), circumferential skeleton (3) and connecting parts (4); Two sets of flange plates (1) are arranged in parallel; The axial skeleton (2) is arranged in several groups parallel to the axial direction of the flange plate (1), and the axial skeleton (2) is arranged equidistantly around the central axis of the flange plate (1), and the two ends of the axial skeleton (2) are respectively fixed to the corresponding flange plate (1). The circumferential skeleton (3) is wound around the axial skeleton (2). Several groups of the circumferential skeleton (3) are arranged at equal intervals along the central axis of the axial skeleton, and the circumferential skeleton (3) is arranged in parallel between the flange plates (1). The connector (4) is disposed between adjacent circumferential skeletons (3). The connector (4) fixes the axial skeleton (2) and the circumferential skeleton (3), and adjacent connectors (4) are respectively located on two adjacent sets of axial skeletons (2).

2. The metal frame for a utility pole base according to claim 1, characterized in that: The connector (4) includes an integrally formed wrapping part (41), a fastening part (42) and a connecting part (43). The longitudinal section of the circumferential portion (41) is arranged in an arc shape, and the circumferential portion (41) covers the axial skeleton (2). The fastening part (42) is symmetrically arranged on both sides of the axial direction of the circumferential part (41). The fastening part (42) is semi-circular and is fastened to the corresponding circumferential skeleton (3). The connecting part (43) is symmetrically arranged on both sides of the axial direction of the circumferential part (41), and the connecting part (43) connects the circumferential part (41) and the fastening part (42).

3. The metal frame for a utility pole base according to claim 2, characterized in that: The included angle α of the longitudinal section of the circumferential part (41) is greater than 180°, and the diameter of the arc of the circumferential part (41) is smaller than the diameter of the axial skeleton (2).

4. The metal frame for a utility pole base according to claim 2, characterized in that: The diameter of the fastening part (42) is equal to the diameter of the circumferential skeleton (3).

5. The metal frame for a utility pole base according to claim 2, characterized in that: The spacing of the fastening portions (42) on the connector (4) is equal to the spacing of the adjacent circumferential skeleton (3).

6. The metal frame for a utility pole base according to claim 1, characterized in that: The two ends of the axial frame (2) are fixedly connected to the flange plate (1) by welding.

7. The metal frame for a utility pole base according to claim 1, characterized in that: The axial frame (2) has a thread (21) on the longer end of the flange plate (1), and a reinforcing plate (5) is fitted on the thread (21). The reinforcing plate (5) is fixed to the axial frame (2) by nuts (22) on both sides.

Images