A pre-fabricated round steel bending device

Abstract

The utility model relates to round steel press bending technical field, specifically disclose prefabricated round steel press bending device, including the fixed platform for supporting, the fixed platform is provided with the bending lever group for bending positioning, is positioned for the bending of target object, the bending lever group includes two symmetrical bending lever no.

Description

Technical Field

[0001] This utility model relates to the field of round steel bending technology, specifically a prefabricated round steel bending device. Background Technology

[0002] In traditional grounding system construction, the creation of the Ω bend mainly relies on manual operation. The specific steps are as follows: first, the operator uses a pipe bender to bend the pipe to initially form the approximate shape of the Ω bend; then, a hammer is used to tap the bent pipe to further adjust its shape.

[0003] Because each operator uses a pipe bender differently, with varying operating methods, hand angles, and applied force, the resulting Ω-bends exhibit significant differences in length and degree of curvature. Different Ω-bends vary considerably in length, and their bending arcs and angles also differ greatly.

[0004] Furthermore, the varying lengths and degrees of curvature of the Ω-bends make the entire grounding system appear messy and disorganized, failing to present a neat and unified visual effect and seriously affecting the overall aesthetics of the grounding system.

[0005] Inconsistent Ω-bend specifications may cause compatibility problems when connected to other components of the grounding system, affecting the installation quality and stability of the grounding system and reducing its practicality and reliability. Based on this, this application provides a prefabricated round steel bending device. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a prefabricated round steel bending device, which solves the problem that in traditional grounding systems, the Ω-bend is made manually by bending it with a pipe bender and hammering it. Due to differences in operator operation, the resulting Ω-bends are of varying lengths and degrees of bending, resulting in poor aesthetics and practicality.

[0007] The prefabricated round steel bending device of this utility model includes a fixed platform for support, and a bending rod group for bending positioning is provided on the fixed platform for bending positioning of the target object.

[0008] The bending rod assembly includes two symmetrically arranged bending rods, which are located on both sides of the fixed platform. A bending rod is located at the middle of the other end of the fixed platform between the two bending rods. A bending tube is provided on the inner side of the bending rod for bending the target object.

[0009] The top of the fixed platform is provided with a limiting area on one side of the bending rod, and the limiting area is adapted to the inner side of the bending tube.

[0010] One or more support columns are provided in the inner arc region between the two bending rods, and each pair of support columns forms a restrictive area for inserting the target object to form different bending positions.

[0011] As a further improvement of this utility model, a reinforcing plate is provided on the inner top of the fixed platform. The reinforcing plate includes two symmetrically arranged plates located between two bending rods for supporting the target object.

[0012] As a further improvement of this utility model, the bottom of the two plates is provided with a support rod at the top of the fixed platform, and the support rod is arranged parallel to the top of the fixed platform.

[0013] As a further improvement of this utility model, the bent tube includes a tube body, and an insertion hole is provided at one end of the tube body near the limiting area. A fixing shaft is installed at the insertion hole, and the fixing shaft is adapted to the inner side of the limiting area.

[0014] As a further improvement of this utility model, the bending rod is bent at a preset angle, and one or more positioning holes are provided on the outer side of the bending rod in a ring array with the central axis of the bending rod. The positioning holes are inserted and adapted to the two ends of the target object.

[0015] As a further improvement of this utility model, the outer side of the bending rod is provided with a through arc-shaped hole, and a rotating ring is slidably connected at the arc-shaped hole.

[0016] As a further improvement of this utility model, one or more contact bases arranged in a ring array are provided on the inner side of the rotating ring for limiting the two ends of the target object.

[0017] As a further improvement of this utility model, a through hole is provided on the outer side of the bending rod, which penetrates the arc-shaped through hole, and a fastener is provided at the through hole.

[0018] As a further improvement of this utility model, one end of the fastener is threadedly connected to a rotating ring, and the other end is provided with an abutment plate.

[0019] As a further improvement of this utility model, the contact plate rubs against the outer side of the bending rod to adjust the position of the rotating ring in the arc-shaped through hole on the inner side of the bending rod.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This utility model, through the use of bending rod assembly and the setting of bending tube, can bend the target object that needs to be bent, and the aesthetics and uniformity of the bending can be guaranteed, meeting the needs of use and effectively improving the construction quality. Moreover, the tools are made from on-site materials, saving costs and can be reused in multiple construction sites. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a three-dimensional structural diagram of Embodiment 1 of the present utility model;

[0024] Figure 2 This is a three-dimensional structural diagram of another embodiment of the present invention;

[0025] Figure 3 This is a top view of the structure of Embodiment 1 of the present utility model;

[0026] Figure 4 This is a side view of an embodiment of the present utility model.

[0027] Figure 5 This is a front view structural diagram of the limiting area in Embodiment 2 of this utility model;

[0028] Figure 6 This is a schematic diagram of the pressure-bending pipe structure in Embodiment 2 of this utility model;

[0029] Figure 7 This is a front view structural diagram of the bending rod assembly according to Embodiment 3 of this utility model;

[0030] Figure 8 This is a front view structural diagram of the bending rod assembly in Embodiment 4 of this utility model;

[0031] Figure 9 for Figure 8 Enlarged structural diagram at point A in the middle.

[0032] In the diagram: 1. Fixed platform; 2. Bending pipe; 3. Bending rod assembly; 4. Target object; 5. Reinforcing plate; 6. Limiting area;

[0033] 21. Tube body; 22. Insertion hole;

[0034] 31. Bending rod one; 32. Bending rod two; 33. Support column; 34. Positioning hole; 35. Fastener; 36. Rotating ring; 37. Contact base;

[0035] 51. Plate; 52. Support rod. Detailed Implementation

[0036] The following illustrations will reveal several embodiments of the present invention. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these physical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0037] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0038] Example 1

[0039] Please see Figures 1 to 4 In grounding systems, Ω-bends are usually bent manually using a pipe bender. After bending, they are then hammered. Each operator uses the pipe bender differently in terms of method, angle, and force, resulting in Ω-bends of varying lengths and degrees of bending, which are aesthetically unappealing and impractical. Based on this, this application provides a prefabricated round steel bending device, including a fixed platform 1 for support, and a bending rod group 3 for bending positioning on the fixed platform 1, used to bend and position the target object 4.

[0040] The bending rod assembly 3 includes two symmetrically arranged bending rods 31. The two bending rods 31 are located on both sides of the fixed platform 1. A bending rod 32 is located in the middle of the other end of the fixed platform 1 between the two bending rods 31. A bending tube 2 is provided on the inner side of the bending rod 32 for bending the target object 4.

[0041] The top of the fixed platform 1 is provided with a limiting area 6 on one side of the bending rod, and the limiting area 6 is adapted to the inner side of the bending tube 2;

[0042] One or more support columns 33 are provided in the inner arc area between the two bending rods 31. Each pair of support columns 33 forms a restricted area for inserting the target object 4 to form different bending positions.

[0043] In the construction of grounding systems, in order to overcome the problems of inconsistent specifications, poor aesthetics and practicality of traditionally manually made round steel Ω-bends, this embodiment provides a prefabricated round steel bending device, as follows:

[0044] The fixed platform 1 serves to support other components. It consists of four vertical No. 32 steel bars and four horizontal No. 32 steel bars forming a plane, creating a desktop-style fixed operating platform to ensure that it can withstand greater pressure without deformation during the bending of round steel.

[0045] The bending rod assembly 3 includes three arc-shaped steel bars (bending rod 1 31 and bending rod 2 32) welded on the fixed platform 1. Bending rod 1 31 is installed on both sides of the fixed platform 1. The function of the two bending rods 1 31 is to provide external positioning and support for the bending of the round steel. When the round steel is placed in the device for bending operation, bending rod 1 31 can limit the round steel from shifting to both sides and ensure the stability of the bending process.

[0046] A second bending rod 32 is provided between the two bending rods 31 and at the middle of the other end of the fixed platform 1. The second bending rod 32 is made of the same material as the first bending rod 31, so as to cooperate with the first bending rod 31 and the bending tube 2 to complete the bending operation of the round steel.

[0047] A bending tube 2 is installed on the inner side of the bending rod 32. The bending tube 2 is usually made of wear-resistant, high-strength materials, such as cemented carbide. The function of the bending tube 2 is to directly bend the round steel, bending it into a predetermined shape by applying pressure.

[0048] The top of the fixed platform 1 is provided with a limiting area 6 on one side of the bending rod 32, which is adapted to the inner side of the bending tube 2. When the round steel is placed in the device for bending, the limiting area 6 can further position and restrict the round steel, prevent unnecessary movement of the round steel during the bending process, and ensure the accuracy and precision of the bending.

[0049] One or more support columns 33 are provided in the inner arc area between the two bending rods 31. The support columns 33 are also made of strong metal materials, such as steel bars.

[0050] Every two support columns 33 form a confined area, which is used to insert the target round steel. By inserting the round steel into different confined areas, different bending positions can be formed, thereby achieving the purpose of making Ω bends of different specifications.

[0051] For example, when a smaller Ω bend needs to be made, the round steel can be inserted into the restricted area close to the bending rod 32; when a larger Ω bend needs to be made, the round steel can be inserted into the restricted area farther away from the bending rod 32.

[0052] Specific workflow:

[0053] First, clean the round steel that needs to be bent, removing impurities and oil stains from the surface to ensure a smooth bending process.

[0054] Then, according to the required specifications of the Ω bend, select a suitable restriction area, insert the round steel into the corresponding restriction area, so that one end of it is located between the limiting area 6 and the inner side of the bending tube 2.

[0055] Bending operation: Using external pressure equipment (such as a hydraulic press or manually), pressure is applied to the bending tube 2. Under the action of pressure, the bending tube 2 applies force to the round steel, causing the round steel to gradually bend. Due to the positioning and supporting effects of bending rod 1 31, bending rod 2 32 and support column 33, the round steel will bend according to the predetermined shape and size, forming an Ω bend.

[0056] Remove the finished product: After the round steel is bent to the required shape, release the pressure of the pressure device on the bending tube 2 and remove the finished Ω bend from the device.

[0057] This prefabricated round steel bending device enables the standardized and regulated production of Ω-bends in round steel, solving the problems of traditional manual production methods and improving the installation quality and aesthetics of the grounding system.

[0058] A reinforcing plate 5 is provided on the inner side of the top of the fixed platform 1. The reinforcing plate 5 includes two symmetrically arranged plates 51, which are located between two bending rods 31 and are used to support the target object 4.

[0059] The bottom of the two plates 51 is provided with support rods 52 at the top of the fixed platform 1, and the support rods 52 are arranged parallel to the top of the fixed platform 1.

[0060] The reinforcing plate 5 consists of two symmetrically arranged plates 51. These two plates 51 are located on the inner side of the top of the fixed platform 1 and between two bending rods 31. The plates 51 can be made of high-strength metal materials, such as steel plates, which have good load-bearing capacity and resistance to deformation.

[0061] The main function of the reinforcing plate 5 is to bear the load of the target round steel. During the bending operation, the round steel will be subjected to a large pressure. The reinforcing plate 5 can provide stable support for the round steel, prevent the round steel from sinking or shifting excessively under pressure, and ensure that the round steel bends in the predetermined position, thereby ensuring that the Ω bend produced is accurate in specification.

[0062] The bottom of the two plates 51 is provided with support rods 52 at the top of the fixed platform 1. The support rods 52 are parallel to the top of the fixed platform 1. The support rods 52 are also made of sturdy metal materials, such as steel pipes, to ensure that they have sufficient strength and stability.

[0063] The support rod 52 serves to further reinforce the reinforcing plate 5. When bending the round steel, the reinforcing plate 5 will bear the pressure transmitted by the round steel. The support rod 52 can distribute these pressures to the fixed platform 1, preventing the reinforcing plate 5 from deforming due to excessive local pressure. At the same time, the support rod 52 can also enhance the connection stability between the reinforcing plate 5 and the fixed platform 1, making the entire device more stable during the bending process.

[0064] Before placing the round steel into the bending device, ensure that the reinforcing plate 5 and the support rod 52 are securely installed. Check that the two plates 51 of the reinforcing plate 5 are symmetrical and in the correct position, and that the support rod 52 is parallel to the top of the fixed platform 1 and tightly connected. Then, place the cleaned round steel on the reinforcing plate 5, positioning it appropriately between the two bending rods 31. Simultaneously, insert the round steel into the restricted area formed by the corresponding support column 33 as needed.

[0065] When pressure is applied to the bending tube 2 using an external pressure device (such as a hydraulic press), the round steel begins to bend under the action of the bending tube 2. At this time, the reinforcing plate 5 provides stable load-bearing for the round steel, while the support rod 52 distributes the pressure on the reinforcing plate 5 to the fixed platform 1. Due to the action of the reinforcing plate 5 and the support rod 52, the round steel can be bent in a stable environment, reducing bending errors caused by swaying or offset and improving the manufacturing accuracy of the Ω bend.

[0066] After the bending is completed, the pressure on the bending tube 2 is released, and the completed Ω-bend is removed from the device. At this time, the reinforcing plate 5 and the support rod 52 still maintain a stable structure, ready for the next bending operation.

[0067] With the addition of the reinforcing plate 5 and the support rod 52, the prefabricated round steel bending device is more stable and reliable when bending round steel, which can better overcome the drawbacks of traditional manual production methods and further improve the production quality and efficiency of Ω bends in the grounding system.

[0068] Example 2

[0069] This application provides another embodiment for the combination of the bending tube 2 and the limiting area 6, as follows:

[0070] Please see Figure 5 and Figure 6 The bent tube 2 includes a tube body 21. One end of the tube body 21 near the limiting area 6 has an insertion hole 22. A fixing shaft is installed at the insertion hole 22 and is adapted to the inner side of the limiting area 6.

[0071] The tube body 21 is the main part of the bending tube 2. It is usually made of wear-resistant, high-strength metal materials, such as hard alloy steel, which can withstand the large pressure generated during the bending of round steel, and is not easily deformed or damaged, ensuring the smooth progress of the bending operation.

[0072] The tube body 21 has a plug hole 22 at one end near the limiting area 6, which is specially designed for installing the fixed shaft. The inner diameter of the plug hole 22 is matched with the outer diameter of the fixed shaft to ensure that the fixed shaft can be tightly installed in it without loosening or shaking. When the bent tube 2 is bent, the fixed shaft can restrict the use of the bent tube 2 and provide stable support.

[0073] The fixed shaft is installed at the insertion hole 22 and is generally made of a high-strength metal material similar to that of the tube body 21. The fixed shaft plays a crucial role, as it is adapted to the inner side of the limiting area 6. During the bending operation, the fixed shaft is inserted into the inner side of the limiting area 6, serving as a positioning and guiding element. Through the cooperation between the fixed shaft and the limiting area 6, the bending tube 2 can accurately apply pressure to the round steel, ensuring that the round steel bends along a predetermined trajectory, thereby producing an Ω-bend that meets the specifications. At the same time, the fixed shaft can also enhance the stability of the bending tube 2 during the bending process, preventing the bending tube 2 from shifting or shaking, and improving the accuracy and quality of the bending.

[0074] Preparation: Before placing the round steel into the device, check whether the fixing shaft of the bending tube 2 is correctly installed in the insertion hole 22, and ensure that the fixing shaft fits well with the inner side of the limiting area 6. Place the cleaned round steel on the reinforcing plate 5, with one end positioned between the limiting area 6 and the inner side of the bending tube 2. At the same time, according to the required Ω-bend specifications, insert the round steel into the limiting area formed by the corresponding support column 33.

[0075] Bending Operation: When external pressure equipment (such as a hydraulic press) is used to apply pressure to the bending tube 2, the fixed shaft, positioned inside the limiting area 6, ensures that the bending tube 2 bends the round steel in the correct direction. Due to the presence of the fixed shaft, the bending tube 2 can stably apply pressure to the round steel, causing it to gradually bend into an Ω-shaped bend. During this process, the cooperation between the fixed shaft and the limiting area 6 ensures the accuracy and stability of the bending, reducing bending errors caused by the offset or swaying of the bending tube 2.

[0076] Remove the finished product: After the round steel is bent to the desired shape, release the pressure of the pressure device on the bending tube 2 and remove the finished Ω bend from the device. At this time, the fixed shaft is still inside the limit area 6, ready for the next bending operation.

[0077] With this structural design of the bending tube 2, the prefabricated round steel bending device can bend round steel more accurately and stably, which can effectively improve the production quality and efficiency of Ω bend in the grounding system and further solve the problems existing in the traditional manual production method.

[0078] Example 3

[0079] This application provides another embodiment, specifically addressing the case where the bending rod and the target object are properly matched in four ways, as follows:

[0080] Please see Figure 7 The bending rod 31 is bent at a preset angle. One or more positioning holes 34 are arranged in a ring array around the central axis of the bending rod 31 on the outer side of the rod body. The positioning holes 34 are inserted and adapted to the two ends of the target object 4.

[0081] The bending rod 31 is bent at a preset angle. The bending setting can provide basic guidance and support for the bending of the round steel, making it easier for the round steel to form the required Ω-bend shape during the bending process.

[0082] One or more positioning holes 34 are arranged in a circular array around the central axis of the bending rod 31 on the outer side of the rod body. The positioning holes 34 are adapted to be inserted into both ends of the target round steel. When performing the round steel bending operation, the two ends of the round steel are inserted into the corresponding positioning holes 34 respectively. The specific effect is as follows:

[0083] First: The positioning hole 34 can accurately determine the position of the round steel, so that the round steel remains stable during the bending process and avoids the bending shape not meeting the requirements due to positional deviation.

[0084] Second: The multiple positioning holes 34 are arranged in a circular array, which means that different positioning holes 34 can be selected to insert round steel according to the requirements of different specifications of Ω bends, thereby realizing the production of Ω bends of different sizes and shapes.

[0085] Third: By inserting both ends of the round steel into the positioning holes 34, the connection stability between the round steel and the bending rod 31 is enhanced, so that the round steel can better withstand the pressure during the bending process and reduce the possibility of shaking and deformation.

[0086] Before placing the round steel into the device, select the appropriate positioning hole 34 according to the required specifications of the Ω bend. Insert both ends of the round steel into the corresponding positioning holes 34, ensuring that the round steel is placed on the reinforcing plate 5 in a suitable position between the two bending rods 31, and insert the round steel into the restricted area formed by the corresponding support column 33 as needed. Check that the fixing shaft of the bending tube 2 is correctly installed in the insertion hole 22 and is adapted to the inner side of the limiting area 6.

[0087] Bending Operation: When pressure is applied to the bending tube 2 using external pressure equipment (such as a hydraulic press or manually), the round steel is fixed to the bending rod 31 at both ends through the positioning holes 34. Under the action of the bending tube 2, the round steel bends along the preset angle of the bending rod 31 and the position determined by the positioning holes 34. The bending shape of the bending rod 31 and the positioning function of the positioning holes 34 work together to ensure that the round steel can accurately form the required Ω-bend shape. In this process, the positioning holes 34 ensure the stability of the round steel, reduce bending errors caused by swaying or offset, and improve the accuracy and quality of bending.

[0088] Remove the finished product: After the round steel is bent to the required shape, release the pressure of the pressure device on the bending tube 2 and remove the finished Ω bend from the device. At this time, the positioning hole 34 of the bending rod 31 still maintains its positioning function, preparing for the next bending operation.

[0089] With the structural design of the bending rod 31, which bends at a preset angle and is equipped with positioning holes 34, the prefabricated round steel bending device can bend round steel more accurately and stably, which can further improve the production quality and efficiency of Ω bend in the grounding system and better solve the problems existing in the traditional manual production method.

[0090] Example 4

[0091] This application provides another embodiment, as follows:

[0092] Please see Figure 8 , Figure 9 The outer side of the bending rod 31 has a through arc-shaped hole, and a rotating ring 36 is slidably connected at the arc-shaped hole. One or more contact bases 37 are arranged in a ring array on the inner side of the rotating ring 36 to limit the two ends of the target object 4.

[0093] The outer side of the curved rod 31 has a through hole that passes through the arc-shaped through hole, and a fastener 35 is provided at the through hole.

[0094] One end of the fastener 35 is threadedly connected to the rotating ring 36, and the other end is provided with an abutment plate. The abutment plate rubs against the outer side of the bending rod 31 to adjust the position of the rotating ring 36 in the arc-shaped through hole inside the bending rod 31.

[0095] The outer side of the bending rod 31 has a through arc-shaped hole. The arc shape is designed according to the movement trajectory and adjustment requirements of the round steel during the bending process. The arc-shaped hole provides a path for the sliding of the rotating ring 36, so that the rotating ring 36 can move along a specific arc trajectory on the bending rod 31, thereby realizing the limiting adjustment of the round steel at different positions.

[0096] The rotating ring 36 is slidably connected at the arc-shaped through hole and is usually made of a wear-resistant and strong metal material, such as aluminum alloy. The rotating ring 36 can slide freely in the arc-shaped through hole, which allows it to adjust its position according to different bending requirements.

[0097] One or more contact bases 37 arranged in a circular array are provided on the inner side of the rotating ring 36. The contact bases 37 are also made of metal and their surfaces are smoothed. The function of these contact bases 37 is to limit the two ends of the target round steel. During the bending operation, the two ends of the round steel contact the contact bases 37. The contact bases 37 can prevent the round steel from axially moving or shaking during the bending process, ensuring that the round steel is bent in the predetermined position and improving the bending accuracy.

[0098] The outer side of the curved rod 31 has a through hole that passes through the arc-shaped through hole, which serves to provide an installation channel for the fastener 35.

[0099] Fastener 35 is installed at the through hole, one end of which is threaded to the rotating ring 36, and the other end is provided with an abutment plate; fastener 35 is generally made of high-strength steel, and its threaded part can be firmly connected to the rotating ring 36.

[0100] By rotating the fastener 35, the position of the rotating ring 36 in the arc-shaped through hole can be adjusted. When it is necessary to change the position of the rotating ring 36, loosen the fastener 35, and the rotating ring 36 can slide in the arc-shaped through hole. After the rotating ring 36 moves to the appropriate position, tighten the fastener 35 so that the contact plate rubs against the outer side of the bent rod 31, thereby fixing the position of the rotating ring 36.

[0101] Before placing the round steel into the device, determine the initial position of the rotating ring 36 according to the specifications of the Ω bend to be made, loosen the fastener 35 so that the rotating ring 36 can slide in the arc-shaped through hole, move the rotating ring 36 to the appropriate position, tighten the fastener 35 so that the contact plate and the outer side of the bending rod 31 are in close friction and contact, fix the rotating ring 36, place the cleaned round steel at both ends at the corresponding contact base 37 so that the round steel is initially limited, at the same time, ensure that the round steel is placed on the reinforcing plate 5 in the appropriate position between the two bending rods 31, and insert the round steel into the limiting area formed by the corresponding support column 33 as needed, check whether the fixing shaft of the bending tube 2 is correctly installed in the insertion hole 22 and is adapted to the inner side of the limiting area 6.

[0102] Bending operation: When pressure is applied to the bending tube 2, the round steel begins to bend under the action of the bending tube 2. Since the contact base 37 on the rotating ring 36 limits the two ends of the round steel, the round steel will not move axially or wobble during the bending process and can bend stably along the predetermined trajectory. If it is found that the position of the round steel needs to be finely adjusted during the bending process, the fastener 35 can be loosened again, the position of the rotating ring 36 can be adjusted, and then the fastener 35 can be tightened again to fix it, so as to ensure the bending accuracy.

[0103] Remove the finished product: After the round steel is bent to the required shape, release the pressure of the pressure device on the bending tube 2 and remove the Ω bend from the device. At this time, the rotating ring 36 and the contact base 37 are still in the adjusted position, ready for the next bending operation.

[0104] With these structural features, the prefabricated round steel bending device can more flexibly limit and adjust the round steel when bending it, further improving the production quality and efficiency of the Ω-bend of the round steel in the grounding system and better overcoming the defects of the traditional manual production method.

[0105] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A prefabricated round steel bending device, comprising a fixed platform (1) for support, wherein the fixed platform (1) is provided with a bending rod assembly (3) for bending positioning, for bending and positioning a target object (4), characterized in that: The bending rod assembly (3) includes two symmetrically arranged bending rods (31), which are located on both sides of the fixed platform (1). A bending rod (32) is provided between the two bending rods (31) at the middle of the other end of the fixed platform (1). A bending tube (2) is provided on the inner side of the bending rod (32) for bending the target object (4). The top of the fixed platform (1) is provided with a limiting area (6) on one side of the bending rod, and the limiting area (6) is adapted to the inner side of the bending tube (2). One or more support columns (33) are provided in the inner arc region between the two bending rods (31), and each pair of support columns (33) forms a restricted area for inserting the target object (4) to form different bending positions.

2. The prefabricated round steel bending device according to claim 1, characterized in that: The top inner side of the fixed platform (1) is provided with a reinforcing plate (5). The reinforcing plate (5) includes two symmetrically arranged plates (51). The two plates (51) are located between two bending rods (31) and are used to support the target object (4).

3. The prefabricated round steel bending device according to claim 2, characterized in that: The bottom of the two plates (51) is provided with support rods (52) at the top of the fixed platform (1), and the support rods (52) are arranged parallel to the top of the fixed platform (1).

4. The prefabricated round steel bending device according to claim 1, characterized in that: The bent tube (2) includes a tube body (21), and a plug hole (22) is provided at one end of the tube body (21) near the limiting area (6). A fixed shaft is installed at the plug hole (22), and the fixed shaft is adapted to the inner side of the limiting area (6).

5. The prefabricated round steel bending device according to claim 1, characterized in that: The bending rod (31) is bent at a preset angle. One or more positioning holes (34) are arranged in a ring array around the central axis of the bending rod (31) on the outer side of the rod body. The positioning holes (34) are inserted and adapted to the two ends of the target object (4).

6. The prefabricated round steel bending device according to claim 1, characterized in that: The outer side of the bent rod (31) is provided with a through arc-shaped hole, and a rotating ring (36) is slidably connected at the arc-shaped hole.

7. The prefabricated round steel bending device according to claim 6, characterized in that: The inner side of the rotating ring (36) is provided with one or more contact bases (37) arranged in a ring array for limiting the two ends of the target object (4).

8. The prefabricated round steel bending device according to claim 6, characterized in that: The outer side of the curved rod (31) is provided with a through hole that penetrates the arc-shaped through hole, and a fastener (35) is provided at the through hole.

9. The prefabricated round steel bending device according to claim 8, characterized in that: One end of the fastener (35) is threadedly connected to the rotating ring (36), and the other end is provided with an abutment plate.

10. The prefabricated round steel bending device according to claim 9, characterized in that: The contact plate rubs against the outer side of the bending rod (31) to adjust the position of the rotating ring (36) in the arc-shaped through hole inside the bending rod (31).

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