Steel bar bending device for constructional engineering
By designing a rebar bending device that includes a base plate, a top plate, a mounting rod, a support rod, an auxiliary positioning component, and a bending component, the problem of insufficient force in existing devices when bending large-diameter rebars is solved, thereby improving the accuracy and efficiency of rebar bending and ensuring construction quality.
Patent Information
- Application Number
- CN202422890938.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing devices used for bending steel bars in construction projects have insufficient force when bending large-diameter steel bars, resulting in low operating efficiency and difficulty in ensuring bending accuracy and consistency, which affects construction quality and progress.
A rebar bending device was designed, comprising a base plate, a top plate, a mounting rod, a support rod, an auxiliary positioning component, and a bending component. The device achieves precise bending of the rebar by driving the central pressure roller and the auxiliary positioning component with a handwheel, and controls the bending angle using a limit rod to ensure that the rebar operates within a predetermined range.
It improves the accuracy and efficiency of steel bar bending, reduces friction damage, ensures the integrity of the steel bars and construction quality, and improves construction efficiency and quality.
Smart Images

Figure CN223465472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building engineering technical field, concretely is a steel bar bending device for building engineering. BACKGROUND
[0002] Steel bar is common and important structural material in building engineering, is widely used in the reinforcement and support of concrete structure. In the building engineering process, need according to design drawing or construction requirement to the accurate bending treatment of steel bar.
[0003] Such as Chinese patent CN202322923305.7 just disclosed simple steel bar bending device, with two thick 10mm, wide 20mm cold steel plate, one long 200mm, top opens two fixed holes of M8, one end welds two 8mm thick column, to fix the steel bar that needs to be bent, the other long 500mm, at one side end head opens two holes of M8, one hole is installed on the column, and the other hole installs bearing, when rotating movable end, bearing can reduce friction resistance, reach the effect of labor-saving in the process of bending steel bar.
[0004] However, the bending method when bending larger diameter steel bar, due to simple structure, can not provide enough bending force, and need more manpower in the operation process, and the efficiency is low, in addition, the bending precision and consistency of steel bar are difficult to guarantee when the device bends the steel bar, which affects the quality and construction progress of building engineering to some extent.
[0005] Based on this, the utility model discloses a steel bar bending device for building engineering to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model discloses a steel bar bending device for building engineering to solve the above problems.
[0007] In order to solve the above technical problem, the utility model provides the following technical scheme: a steel bar bending device for building engineering, including the bottom plate, the top of the bottom plate is provided with the top plate, the front side of the bottom plate and top plate is fixedly connected with two installation rods, the rear side of the installation rod is matched and is provided with the support rod, the bottom end of the installation rod front side is connected with the auxiliary positioning assembly, the top plate is connected with the bending assembly, the bending assembly includes the lower pressing plate, the mounting block, the pivot and the center pressure wheel, the bottom center position of the lower pressing plate is fixedly connected with the mounting block, the mounting block is rotatably connected with the pivot, and the front end of the pivot is fixedly connected with the center pressure wheel.
[0008] Preferably, the bending assembly further comprises a connecting frame, a driving rod, a threaded groove and a hand wheel, the connecting frame is fixedly connected at the center position of the top of the pressing plate, the driving rod is rotationally connected to the connecting frame, the sidewall of the driving rod is provided with the threaded groove, and the top end of the driving rod is fixedly connected with the hand wheel.
[0009] Preferably, the top end of the driving rod penetrates the top plate and is connected with the hand wheel, and the driving rod is connected to the top plate through the threaded groove.
[0010] Preferably, the left and right sides of the pressing plate are sleeved and slidably connected with limiting rods, and the upper and lower ends of the limiting rods are fixedly connected to the top plate and the bottom plate, respectively.
[0011] Preferably, the auxiliary positioning assembly comprises a connecting shaft and an auxiliary wheel, the connecting shaft is fixedly connected to the mounting rod, and the auxiliary wheel is rotationally connected to the connecting shaft through a bearing.
[0012] Preferably, the two auxiliary positioning assemblies are symmetrically arranged on the left and right sides of the center pressing wheel, and the auxiliary wheels and the outer sidewalls of the center pressing wheel are both provided with grooves for matching the bending of the steel bars.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] Firstly, the utility model sets the bending assembly, controls the descending distance of the center pressing wheel 604 by rotating the hand wheel, and the steel bar is well supported and guided in the bending process due to the cooperation of the center pressing wheel and the auxiliary positioning assembly, so that uniform pressure can be applied to the steel bar, precise bending is realized, the bending angle can be easily adjusted by the operator through the hand wheel, the bending process of the steel bar is more accurate and efficient, the auxiliary wheel in the auxiliary positioning assembly not only improves the bending efficiency of the device, but also reduces the friction damage of the steel bar in the bending process, and the integrity and construction quality of the steel bar are ensured.
[0015] Secondly, the utility model ensures the stability and durability of the device as a whole through the cooperation of the bottom plate and the top plate and the stable structure of the mounting rod and the supporting rod, the limiting rod can limit the movement range of the pressing plate when the hand wheel drives the driving rod to rotate, the bending angle of the steel bar is ensured to be within the predetermined range, excessive bending is avoided to cause damage to the steel bar, and the accuracy of the bending angle is further ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a front view structure schematic view of the utility model;
[0018] Figure 3The use state schematic view of the utility model;
[0019] Figure 4 The structure schematic view of the bending assembly in the utility model;
[0020] Figure 5 The utility model Figure 1 The enlarged structure schematic view of A in the utility model;
[0021] Figure 6 The structure schematic view of the auxiliary positioning assembly in the utility model.
[0022] 1, bottom plate, 2, top plate, 3, installation rod, 4, support rod, 5, auxiliary positioning assembly, 501, connecting shaft, 502, auxiliary wheel, 6, bending assembly, 601, lower pressing plate, 602, mounting block, 603, rotating shaft, 604, center pressing wheel, 605, connecting frame, 606, driving rod, 607, screw groove, 608, hand wheel, 7, limiting rod, 8, recess. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment 1
[0024] Please refer to Figure 1 - Figure 4 It is illustrated that the steel bar bending device for constructional engineering in embodiment 1 comprises a bottom plate 1, a top plate 2 is correspondingly arranged above the bottom plate 1, two installation rods 3 are fixedly connected to the front side of the bottom plate 1 and the top plate 2, a support rod 4 is correspondingly arranged at the rear side of the installation rod 3, an auxiliary positioning assembly 5 is connected to the bottom end of the front side of the installation rod 3, a bending assembly 6 is connected to the top plate 2, the bending assembly 6 comprises a lower pressing plate 601, a mounting block 602, a rotating shaft 603 and a center pressing wheel 604, the mounting block 602 is fixedly connected to the center position of the bottom of the lower pressing plate 601, the rotating shaft 603 is rotatably connected in the mounting block 602, and the center pressing wheel 604 is fixedly connected to the front end of the rotating shaft 603;
[0025] Please refer to Figure 4 and Figure 5The bending assembly 6 in the drawing further comprises a connecting frame 605, a driving rod 606, a threaded groove 607 and a hand wheel 608, the connecting frame 605 is fixedly connected at the center position on the top of the pressing plate 601, the driving rod 606 is rotationally connected on the connecting frame 605, the threaded groove 607 is arranged on the side wall of the driving rod 606, and the hand wheel 608 is fixedly connected at the top end of the driving rod 606;
[0026] In the embodiment, during the construction process of the building engineering, the reinforcing steel bar workpiece which needs to be bent is placed between the auxiliary positioning assembly 5 and the bending assembly 6, and the center position which needs to be bent is correspondingly placed at the bottom of the center pressing wheel 604, at this time, the hand wheel 608 is rotated to drive the driving rod 606 to rotate, and the center pressing wheel 604 is driven by the pressing plate 601 to move downward, so that the bending of the reinforcing steel bar is realized. Since the center pressing wheel 604 cooperates with the auxiliary positioning assembly 5, the reinforcing steel bar is well supported and guided during the bending process, the accuracy of the bending and the structural integrity of the reinforcing steel bar are ensured, the bending work of the reinforcing steel bar can be efficiently and accurately completed, and the construction efficiency of the building engineering is greatly improved.
[0027] It should be noted that the top end of the driving rod 606 penetrates through the top plate 2 and is connected with the hand wheel 608, the driving rod 606 is threadedly connected on the top plate 2 through the threaded groove 607, and the user accurately controls the descending distance of the center pressing wheel 604 by rotating the hand wheel 608, so that the bending angle of the reinforcing steel bar is accurately controlled, the accuracy and efficiency of the reinforcing steel bar bending are improved, and the structural integrity and construction quality of the reinforcing steel bar after bending are ensured. Embodiment 2
[0028] Please refer to Figure 1 and Figure 5 It is illustrated that the top end of the driving rod 606 penetrates through the top plate 2 and is connected with the hand wheel 608, and the driving rod 606 is threadedly connected on the top plate 2 through the threaded groove 607.
[0029] Further, the left and right sides of the pressing plate 601 are sleeved and slidably connected with the limiting rods 7, and the upper and lower ends of the limiting rods 7 are fixedly connected with the top plate 2 and the bottom plate 1 respectively.
[0030] In the embodiment, when the hand wheel 608 drives the driving rod 606 to rotate, the limiting rods 7 can limit the movement range of the pressing plate 601, so that the bending angle of the reinforcing steel bar is ensured to be within a predetermined range, and the reinforcing steel bar is prevented from being damaged due to excessive bending. In actual operation, the user can adjust the position of the auxiliary wheel 502 according to the diameter of the reinforcing steel bar and the required bending angle, so as to adapt to the bending requirements of reinforcing steel bars of different specifications.
[0031] Need to explain, through the setting limit rod 7, can effectively prevent the lower pressing plate 601 excessive depression, avoid steel bending excessive or damage, also can reduce the labor intensity of operator, improve work efficiency, the left and right sides of the lower pressing plate 601 are sleeved and slidably connected with the limit rod 7, and the upper and lower ends of the limit rod 7 are fixedly connected with the top plate 2 and the bottom plate 1 respectively, so as to ensure that the lower pressing plate 601 does not exceed the predetermined bending range when bending the steel, thereby avoiding the problem of excessive or insufficient bending of the steel. Example 3
[0032] Please refer to Figure 2 and Figure 6 Example 3 is described, and the embodiment further illustrates example 2. The auxiliary positioning assembly 5 in the diagram includes a connecting shaft 501 and an auxiliary wheel 502. The connecting shaft 501 is fixedly connected to the mounting rod 3. The auxiliary wheel 502 is rotatably connected to the connecting shaft 501 through a bearing.
[0033] Further, the two auxiliary positioning assemblies 5 are symmetrically arranged on the left and right sides of the center pressing wheel 604. The auxiliary wheel 502 and the outer side wall of the center pressing wheel 604 are both provided with a groove 8 for matching the bending of the steel bar.
[0034] In this embodiment, the grooves 8 provided on the auxiliary wheel 502 and the outer side wall of the center pressing wheel 604 can better fix and guide the steel bar, so that the steel bar remains stable during bending, reducing sliding and deformation during bending. The auxiliary wheel 502 not only improves the accuracy of steel bending, but also protects the surface of the steel bar from damage, ensuring the quality of the bent steel bar.
[0035] Specifically, the user can adjust the position of the auxiliary wheel 502 according to the diameter and bending angle of the steel bar to adapt to the bending needs of steel bars of different specifications, so that the steel bar can be better supported during bending. At the same time, the grooves 8 help to reduce the friction of the steel bar during bending, improving the bending efficiency and quality.
[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A reinforcing bar bending device for construction work, comprising a base plate (1), characterized in that: The top plate (2) is arranged above the bottom plate (1), the front side of the bottom plate (1) and the top plate (2) are fixedly connected with two mounting rods (3), the rear side of the mounting rod (3) is matched and correspondingly provided with a supporting rod (4), the bottom end of the front side of the mounting rod (3) is connected with an auxiliary positioning assembly (5), the top plate (2) is connected with a bending assembly (6), the bending assembly (6) comprises a pressing plate (601), a mounting block (602), a rotating shaft (603) and a center pressing wheel (604), the bottom of the pressing plate (601) is fixedly connected with the mounting block (602) at the center position, the rotating shaft (603) is rotatably connected in the mounting block (602), and the front end of the rotating shaft (603) is fixedly connected with the center pressing wheel (604).
2. A steel bar bending device for construction engineering according to claim 1, characterized in that: The bending assembly (6) further comprises a connecting frame (605), a driving rod (606), a threaded groove (607) and a hand wheel (608), the connecting frame (605) is fixedly connected at the center position of the top of the pressing plate (601), the driving rod (606) is rotatably connected on the connecting frame (605), the threaded groove (607) is formed in the side wall of the driving rod (606), and the top end of the driving rod (606) is fixedly connected with the hand wheel (608).
3. A reinforcing bar bending apparatus for use in construction work according to claim 2, characterized in that: The top end of the driving rod (606) penetrates the top plate (2) and is connected with the hand wheel (608), and the driving rod (606) is matched and screw-connected on the top plate (2) through the threaded groove (607).
4. A reinforcing bar bending apparatus for use in construction work according to claim 1, characterized in that: The left and right sides of the pressing plate (601) are sleeved and slidably connected with limiting rods (7), and the upper and lower ends of the limiting rods (7) are fixedly connected with the top plate (2) and the bottom plate (1) respectively.
5. A reinforcing bar bending apparatus for use in construction work according to claim 3, characterized in that: The auxiliary positioning assembly (5) comprises a connecting shaft (501) and an auxiliary wheel (502), the connecting shaft (501) is fixedly connected with the mounting rod (3), and the auxiliary wheel (502) is rotatably connected with the connecting shaft (501) through a bearing.
6. A reinforcing bar bending apparatus for use in construction work according to claim 5, characterized in that: The two auxiliary positioning assemblies (5) are symmetrically arranged on the left and right sides of the center pressing wheel (604), and the outer side walls of the auxiliary wheel (502) and the center pressing wheel (604) are both provided with grooves (8) for matching the bending of the reinforcing steel bars.
Citation Information
Patent Citations
Simple steel bar bending device
CN221269527U