Reinforcing steel bar integrally-forged anchoring plate

Abstract

The utility model provides a reinforcing steel bar integral forging anchor plate which comprises a reinforcing steel bar part and an anchor part, the anchor part comprises an upper platform and a lower platform, the diameter of the upper platform is smaller than that of the lower platform, a conical transition connecting section is arranged between the upper platform and the lower platform and used for connecting the upper platform and the lower platform, and the whole body forms an inverted V shape; the large-diameter end face of the conical transition connecting section is connected with the lower table, and the small-diameter end face of the conical transition connecting section is connected with the upper table. The anchoring part is arranged at one end of the steel bar part, a lower platform of the anchoring part is arranged at one end of the steel bar part, and an upper platform of the anchoring part is far away from one end of the steel bar part. The anchoring component is simple in structure and is integrally formed through hot-pressing casting, the integrity of the structure is guaranteed, and the overall bearing strength of the anchoring component is improved. In addition, the manufacturing process can be fully automatic, it is guaranteed that the length of each steel bar integrally-forged anchoring plate meets the construction requirement, the construction cost is reduced, and the construction quality is further improved.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to the technical field of steel bar anchoring. Background Art

[0002] The steel bar anchor plate is mainly used to strengthen the fixing effect of the steel bar in the concrete and prevent the steel bar from slipping, falling off and other safety hazards during use. It ensures a stable connection between the steel bar and the concrete through a specific design and structure, thereby enhancing the strength and stability of the concrete structure. With the full implementation of the "Technical Standard for Anti-floating of Construction Engineering" JGJ 476-2019, the anchoring technology of the steel bar anchor plate has been widely used in current construction.

[0003] However, most existing anchor plates use threaded connection technology, which is to screw and lock the built-in threads of the anchor plate with the thread heads of the connected steel bars. This technology requires the ends of the steel bars to be processed to form threads, and is limited by the requirements of the steel bar bearing area, and the depth and length of the threads have certain parameter requirements. Then, during the transportation and installation of the steel bars, it is inevitable that the outer threads of the steel bars will be damaged to a certain extent, resulting in loosening, slipping, countersunk heads, etc. during the anchoring process, causing potential hidden dangers and impacts on the quality of the entire anchoring construction.

[0004] In addition, the on-site work of steel bar anchoring needs to be carried out strictly in accordance with relevant specifications to ensure the safety and stability of steel bar anchoring. The specification requirements should be followed during the on-site construction process to ensure the accuracy of measurement and positioning. In the actual installation process, there is a certain degree of uncertainty as to whether the construction workers can install according to the construction operation specifications (for example, whether the screwing stroke and torque meet the specification requirements), which will also cause potential hidden dangers and impacts on the quality of the entire anchoring construction. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects of the prior art and provide a steel bar integral forging anchor plate with a simple structure, improved construction efficiency and convenient on-site installation. The anchoring component is directly integrated with the steel bar through hot pressing and integral molding, which can ensure the integrity of the connection between the anchor plate and the steel bar and avoid the occurrence of irregular manual operation during the installation process, thereby ensuring the anchoring effect. The technical solution of the utility model is as follows:

[0006] A steel bar integral forging anchor plate, the anchor plate comprising a steel bar portion and an anchor portion, one steel bar portion corresponding to one anchor portion.

[0007] The anchoring part comprises an upper platform and a lower platform, the diameter of the upper platform is smaller than the diameter of the lower platform, and a conical transition connecting section is arranged between the upper platform and the lower platform for connecting the upper platform and the lower platform, forming an inverted V shape as a whole;

[0008] The large diameter end surface of the conical transition connection section is connected to the lower platform, and the small diameter end surface is connected to the upper platform;

[0009] The anchoring part is arranged at one end of the reinforcing steel part, and the lower platform of the anchoring part is arranged at one end of the reinforcing steel part, and the upper platform of the anchoring part is far away from the one end of the reinforcing steel part.

[0010] In combination with the above scheme, in any of the methods, one preferred method is as follows: the anchoring portion is integrally formed by hot pressing and forging at one end of the steel bar portion, so that it is arranged at one end of the steel bar portion and fused into one with the steel bar portion.

[0011] In combination with the above scheme, in any of the modes, preferably one is as follows: the end face diameter of the upper platform is smaller than the end face diameter of the steel bar portion, and the end face diameter of the lower platform is larger than the end face diameter of the steel bar portion.

[0012] In combination with the above scheme, in any of the methods, one preferred embodiment is as follows: the upper platform is a cylinder.

[0013] In combination with the above scheme, in any of the modes, one is preferably as follows: the lower platform is a cylinder.

[0014] In combination with the above scheme, in any of the methods, one is preferably as follows: the thickness of the anchoring portion is 25mm-27mm.

[0015] In combination with the above scheme, in any of the methods, one is preferably as follows: the outer diameter of the anchoring portion is 54mm-56mm.

[0016] In combination with the above scheme, in any of the methods, one is preferably as follows: the nominal diameter of the steel bar portion is 25 mm.

[0017] In combination with the above scheme, in any of the methods, one preferred embodiment is as follows: the steel bar portion is a threaded steel bar.

[0018] In combination with the above scheme, in any of its methods, one is preferably as follows: the integral forged anchor plate of the steel bar also includes a locking portion, which is arranged at the connection between the steel bar portion and the anchor portion, and the locking portion is composed of a closed ring and a semi-closed ring, wherein the closed ring is fixed at the connection between the steel bar portion and the anchor portion, the semi-closed ring is connected to the closed ring and the axis of the semi-closed ring is perpendicular to the axis of the closed ring.

[0019] The utility model has the following beneficial effects:

[0020] The steel bar integral forging anchor plate provided by the utility model has a simple structure and low manufacturing difficulty. Compared with the existing threaded connection anchor structure, its manufacturing process is more efficient and simple, effectively saving manufacturing costs, and only needs one hot pressing molding to complete the anchor structure, saving the process of screwing the anchor part and the steel bar part.

[0021] Furthermore, the integral molding by hot-pressing casting ensures the integrity of the entire anchoring structure, and there is no gap between the anchoring part and the reinforcement part, which not only avoids loosening and displacement of the connection, but also the utility model can achieve a bearing capacity of the anchoring plate that is stronger than the existing threaded connection structure.

[0022] During the entire manufacturing process, the length of the entire steel anchor plate can be strictly controlled according to the design requirements, forming a standard and unified production process, avoiding the situation where the steel anchor plate is too high or too low during the installation process, saving the process of remediating the excessively high or low parts, and further ensuring the surface flatness after the subsequent concrete pouring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 A schematic diagram of the structure of the integrally forged steel bar anchor plate provided in an embodiment of the utility model;

[0025] Figure 2 A schematic diagram of the three-dimensional structure of the integrally forged anchor plate for steel bars provided in an embodiment of the utility model;

[0026] Figure 3 A schematic diagram of the three-dimensional structure of a steel bar integrally forged anchor plate with a locking portion provided in an embodiment of the utility model

[0027] Figure 4 A schematic diagram of the application of the integrally forged steel bar anchor plate provided in an embodiment of the utility model.

[0028] Notes on the accompanying drawings: 1-rebar portion, 2-anchoring portion, 201-upper platform, 202-lower platform, 203-conical transition connection section, 3-stopping portion. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of this specific embodiment, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the invention product is usually placed when in use. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this specific embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this specific embodiment can be understood according to specific circumstances.

[0033] Example 1: Figure 1 and Figure 2 As shown, the utility model provides a steel bar integral forged anchor plate, the anchor plate comprising a steel bar portion 1 and an anchor portion 2, one steel bar portion 1 is correspondingly provided with one anchor portion 2, and the anchor portion 2 is provided at the end of any one end of the steel bar portion 1, and this embodiment is set to be provided at the top end of the steel bar portion 1.

[0034] The anchoring part 2 includes a cylindrical upper platform 201 and a cylindrical lower platform 202, the diameter of the upper platform 201 is smaller than the diameter of the lower platform 202, and a conical transition connecting section 203 is arranged between the upper platform 201 and the lower platform 202, for connecting the upper platform 201 and the lower platform 202. The large diameter end face of the conical transition connecting section 203 is connected to the lower platform 202, and the small diameter end face is connected to the upper platform 201 to form an inverted V-shaped structure as a whole. The lower platform 202 of the anchoring part 2 is at the bottom and the upper platform 201 is at the top, and they are arranged in an inverted V shape at the top of the steel bar part 1, and the end face diameter of the upper platform 201 is smaller than the end face diameter of the steel bar part 1, and the end face diameter of the lower platform 202 is larger than the end face diameter of the steel bar part 1.

[0035] The anchoring part 2 is formed by hot pressing and forging the top of the steel bar part 1, and is fused with the steel bar part 1. This manufacturing process ensures the integrity and integrity of the entire anchoring structure. There is no gap space between the anchor head and the threaded steel bar, avoiding the possibility of loosening between the existing nut and the steel bar component. The anchoring part 2 and the steel bar part 1 are completely integrated into one, and the bearing of the ultimate tensile force is integrated. The ultimate tensile force that the existing steel bar anchoring plate of the threaded connection structure can bear can only be carried by the mutual contact of the inner and outer wires. However, the height and contact area of ​​the inner and outer wires are limited by the design requirements of the steel bar strength, and it is impossible to make them too high or too large. Therefore, this also leads to the fact that the tensile bearing area of ​​the inner and outer wires of the steel bar anchoring plate of the threaded connection structure and the tensile bearing strength per unit area are limited and lower than the ultimate tensile force that the utility model can bear. Therefore, the utility model can ensure that the bearing capacity it realizes is much stronger than the existing anchoring plate of the threaded connection structure.

[0036] The nuts of the anchor plates of the existing threaded connection structures on the market are basically divided into two categories: through-type and non-through-type. When construction workers screw through the through-type nuts, although they can clearly observe the movement of the steel bars in the nuts, they cannot accurately control the travel amount, which can easily cause uneven anchorage lengths of multiple adjacent anchor bars, which does not comply with construction regulations and must be rectified or reworked, resulting in cost waste.

[0037] When the construction workers are tightening the non-through nut, they cannot observe the progress of the steel bar in the nut. In order to ensure that the steel bar reaches the preset travel distance, the construction workers need to continue tightening it, usually stopping when it cannot be tightened anymore. However, this operation method can easily cause over-tightening and damage to the inner and outer threads, which may lead to a decrease in the stability of the structure.

[0038] Although professional tools can be used to avoid the above risks as much as possible for the anchor plates of the threaded connection structures of the above two methods, it is necessary to purchase the above professional tools separately and train the construction personnel on their use, which will undoubtedly greatly increase the construction cost and cannot completely eliminate the above risks.

[0039] On the other hand, since there is no need to roll the thread at the top of the steel bar portion 1, this processing step can be omitted, saving its cost, and also avoiding the outer thread at the top being damaged due to improper operation or other unexpected situations during transportation and installation, which in turn causes the thread to not be locked in place. If the thread locking does not meet the standard requirements, it is necessary to repair or remake the outer thread of the steel bar portion 1, or even replace the entire steel bar portion 1, causing waste. If the above situation is not discovered in time, it is likely to affect the quality of concrete pouring and molding in the future, and the loss caused will be more serious.

[0040] The utility model is also equipped with a set of production equipment, which has been patented (automatic steel bar connection processing equipment, CN202323147308.2). The equipment includes high-frequency heating equipment, extrusion molding equipment, and feeding equipment to realize fully automated standard parts production. The top of the steel bar end is heated to a preset forging temperature by a high-frequency heating device, and then the top of the heated steel bar end is extruded and molded by the mold of the extrusion molding equipment. Through this production equipment, it can be ensured that the steel bar integral forging anchor plate described in each fundamental utility model can be produced strictly in accordance with the construction design requirements, and the product specifications and parameters can also meet the construction design requirements, thereby ensuring the overall anchor construction quality, fundamentally greatly reducing the various uncertainties in the construction quality of the overall anchor caused by the intervention of a large number of human and accidental factors in the existing threaded connection anchoring method.

[0041] And, if Figure 1 As shown, the anchoring part 2 designed by the utility model includes a cylindrical upper platform 201 and a cylindrical lower platform 202. The diameter of the upper platform 201 is smaller than the diameter of the lower platform 202. A conical transition connection section 203 is provided between the upper platform 201 and the lower platform 202. It can be understood from the entire outer surface of the structure that the structure of the utility model does not have any exposed structure or protruding structure that is not conducive to demolding after extrusion molding. This structural design can meet the construction requirements of the steel bar anchor plate and greatly reduce the production and manufacturing difficulty of the steel bar integral forging anchor plate. Compared with some more complex appearance structure designs in the prior art, the structure of the utility model is cheaper in mold manufacturing cost and more convenient in the demolding process.

[0042] In the present invention, the thickness H of the anchoring portion 2 is 25mm-27mm, the outer diameter D of the anchoring portion 2 is 54mm-56mm, and the steel bar portion 1 is selected to have a nominal diameter of 25mm and a nominal cross-sectional area of ​​490.9mm. 2 According to the above product parameters, the ultimate tensile force test was carried out many times, and its ultimate tensile force was basically maintained between 299.7kN-307.4kN, which is far better than the ultimate tensile force of the existing threaded connection anchoring method.

[0043] Example 2: Figure 3 and Figure 4 As shown, this embodiment adds a locking portion on the basis of Embodiment 1, and the locking portion is arranged at the connection between the reinforcement portion and the anchoring portion. The locking portion consists of a closed ring and a semi-closed ring, and the closed ring is fixed at the connection between the reinforcement portion and the anchoring portion. The semi-closed ring is connected to the closed ring and the axis of the semi-closed ring is perpendicular to the axis of the closed ring.

[0044] The closed ring of the stopper is connected to the connection between the steel bar part and the anchoring part, and the extended semi-closed ring can clamp the other steel bars around the steel bar anchor plate, thereby achieving a certain fixing and positioning effect. When the construction personnel place the steel bar anchor plate to the predetermined position, they can directly clamp the semi-closed ring into the other steel bars around it, without the need for a separate binding to ensure that the steel bar anchor plate will not shift. The construction personnel who perform the steel bar binding operation later only need to add one more binding, which ensures the construction effect without increasing too much workload.

[0045] Because the stopper only needs to be used to position the steel bar anchor plate when it is installed, to ensure that the steel bar anchor plate will not be displaced or fall off temporarily, and it still needs to be tied in the subsequent construction process. Therefore, the performance requirements for the stopper do not need to be too high, and it can generally be made of plastic and metal materials. As for the specific parameters of the stopper, they are selected and designed according to the specific steel bar model and amount, and these are also existing technologies that can be easily obtained by technicians in this field, so I will not elaborate on them here.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel bar integral forging anchor plate, characterized in that: The anchor plate comprises a reinforcement portion (1) and an anchor portion (2), wherein: The anchoring portion (2) comprises an upper platform (201) and a lower platform (202); the diameter of the upper platform (201) is smaller than the diameter of the lower platform (202); a conical transition connecting section (203) is provided between the upper platform (201) and the lower platform (202) for connecting the upper platform (201) and the lower platform (202); The large diameter end surface of the conical transition connection section (203) is connected to the lower platform (202), and the small diameter end surface is connected to the upper platform (201); The anchoring portion (2) is arranged at one end of the reinforcement portion (1), and the lower platform (202) of the anchoring portion (2) is arranged at one end of the reinforcement portion (1); The anchoring portion (2) is formed integrally with one end of the steel bar portion (1) by hot pressing and forging, and is arranged on one end of the steel bar portion (1); The end face diameter of the upper platform (201) is smaller than the end face diameter of the steel bar portion (1), and the end face diameter of the lower platform (202) is larger than the end face diameter of the steel bar portion (1); The thickness of the anchoring portion (2) is 25 mm-27 mm, and the outer diameter of the anchoring portion (2) is 54 mm-56 mm.

2. The integrally forged steel bar anchor plate according to claim 1, characterized in that: The upper platform (201) is a cylinder.

3. The integrally forged steel bar anchor plate according to claim 2, characterized in that: The lower platform (202) is a cylinder.

4. The integrally forged steel bar anchor plate according to claim 3, characterized in that: The end diameter of the steel bar portion (1) is 25 mm.

5. The integrally forged steel bar anchoring plate according to claim 4, characterized in that: The steel bar portion (1) is a threaded steel bar.

6. The steel bar integral forging anchor plate according to any one of claims 1 to 5, characterized in that: The steel bar integral forged anchor plate further comprises a locking portion (3), the locking portion (3) being arranged at the connection between the steel bar portion (1) and the anchor portion (2), the locking portion (3) being composed of a closed ferrule and a semi-closed ferrule, the closed ferrule being fixed at the connection between the steel bar portion (1) and the anchor portion (2), the semi-closed ferrule being connected to the closed ferrule and the axis of the semi-closed ferrule being perpendicular to the axis of the closed ferrule.

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