Calibrating device for steel bar bending tester
By setting up a limit plate and angle sensor on the reinforced bar bending test machine, the problems of complex calibration and inaccurate measurement are solved, and stable bending and accurate measurement are achieved.
Patent Information
- Application Number
- CN202421724400.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The calibration process of existing reinforcement bending test machines is complex and inefficient, and the measurement results are inaccurate, and the rebound after the reinforcement is bending makes measurement difficult.
The limiting plate and angle sensor structure are adopted. By opening arc grooves on the limiting plate and laying anti-slip layers, combined with the adjustment screw and screw hole structure, the stable limit and angle recording of the steel bars can be achieved in real time.
It improves the stability and measurement accuracy of steel bar bending processing, simplifies the calibration process, omits traditional measurement steps, and improves efficiency.
Smart Images
Figure CN223078120U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of calibration devices for steel bar bending testing machines, and particularly relates to a calibration device for a steel bar bending testing machine. Background Art
[0002] With the gradual development of China's economic construction, urban construction is vigorously carried out across the country at present, building various apartment houses, office buildings, roads and bridges, etc. Such construction projects all require a large amount of steel bar materials. At the same time, a large number of steel bars need to be bent. The bending angle of the steel bars is particularly important for subsequent processing and use. There is a commonly used steel bar processing machine - a steel bar bending testing machine. The steel bar bending testing machine mainly includes a machine body and a working disk located at the top of the machine body and rotatable around its central axis. A plurality of jacks are provided on the working disk for inserting and pressing bending pins and central pins. The supporting pins are fixed on the machine body. The steel bar is clamped between the pressing bending pin, the central pin and the supporting pin. When the working disk rotates, the steel bar is bent. Thus, the angle through which the working disk turns is the bending angle of the steel bar.
[0003] In the prior art, in order to calibrate the bending angle of the steel bar by the steel bar bending testing machine, it is usually necessary to disassemble the internal components of the steel bar bending testing machine and calibrate the internal angle detection and feedback devices, etc. This process is relatively complex, with a large implementation difficulty and low efficiency. Another method is to measure the bending angle of the steel bar. Since the inner side of the steel bar is under compressive stress and the outer side is under tensile stress during the bending process, when the bent steel bar is unloaded (taken out from the steel bar bending testing machine), due to stress release, a bending moment opposite to the bending direction is generated, and the steel bar will rebound, resulting in inaccurate measurement results and low measurement efficiency, etc. However, if the external load is not removed, it will cause inconvenience in measurement. Summary of the Utility Model
[0004] In order to improve the problems mentioned above, the utility model provides a calibration device for a steel bar bending testing machine.
[0005] The utility model provides a calibration device for a steel bar bending testing machine, adopting the following technical scheme: A calibration device for a steel bar bending testing machine includes a steel bar bender. A turntable groove is formed at the top of the steel bar bender, and a driving turntable is installed inside the turntable groove. A first limiting column is arranged on one side of the top of the steel bar bender.
[0006] A limiting rod is installed on the top of the driving turntable. A second limiting column is arranged on one side of the limiting rod. A steel bar strip is also connected between the second limiting column and the first limiting column and the limiting rod.
[0007] A first limiting plate is installed on one side of the first limiting column, and a second limiting plate is arranged on one side of the second limiting column.
[0008] Based on the above technical features: The arc grooves opened on one side of the first limiting plate and the second limiting plate can limit the steel bar to be bent and processed. With the anti-slip layer laid on the inner side of the arc groove, the friction between the arc groove and the steel bar can be effectively improved. Through the adjusting screw and the adjusting screw hole structure, the distance between the first limiting plate, the second limiting plate and the limiting rod can also be adjusted according to the thickness specification of the steel bar, which can effectively prevent the steel bar from loosening during the bending process, so as to improve the stability of the steel bar bending machine for bending the steel bar.
[0009] As a calibration device for a steel bar bending testing machine according to the present utility model, wherein: the driving turntable is matched with the turntable groove structure, and a first angle sensor is arranged on the outer side of the driving turntable, and the first angle sensor and the second limiting plate are on the same vertical horizontal line.
[0010] Based on the above technical features: Since the second limiting column is fixedly connected to the top side of the driving turntable, and the first angle sensor and the second limiting plate are on the same vertical horizontal line, when the driving turntable is driven by the driving motor inside the steel bar bending machine, the running tracks of the first angle sensor and the second limiting plate can be made synchronous.
[0011] As a calibration device for a steel bar bending testing machine according to the present utility model, wherein: the second limiting plate has the same structure as the first limiting plate, an arc groove is opened on one side of the first limiting plate, and an anti-slip layer is also laid on the inner side of the arc groove.
[0012] Based on the above technical features: The arc grooves opened on one side of the first limiting plate and the second limiting plate can limit the steel bar to be bent and processed. With the anti-slip layer laid on the inner side of the arc groove, the friction between the arc groove and the steel bar can be effectively improved.
[0013] As a calibration device for a steel bar bending testing machine according to the present utility model, wherein: a bearing seat is installed on the side of the first limiting plate away from the arc groove, an adjusting screw is connected to the side of the bearing seat away from the first limiting plate, and an adjusting handwheel is also installed at the end of the adjusting screw away from the bearing seat.
[0014] Based on the above technical features: By installing a bearing seat between the arc groove and the adjusting screw, the adjusting screw can be movably connected to the back of the arc groove. When the adjusting screw adjusts the distance between the first limiting plate, the second limiting plate and the limiting rod, the situation that the first limiting plate and the second limiting plate rotate on their own can be effectively prevented.
[0015] As a calibration device for a steel bar bending testing machine according to the present utility model, wherein: adjustment screw holes are respectively formed through the middles of the first limit post and the second limit post, and the adjustment screw holes are in threaded fit with adjustment screw rods.
[0016] Based on the above technical features: Since the adjustment screw holes are in threaded fit with the adjustment screw rods, the distances between the first limit plate, the second limit plate and the limit rod can be adjusted according to the thickness specifications of the steel bar strips.
[0017] As a calibration device for a steel bar bending testing machine according to the present utility model, wherein: the inside of the turntable groove is connected with a motor output shaft, and a plurality of groups of installation grooves are arranged on the inner side of the turntable groove, and second angle sensors are respectively connected inside the plurality of groups of installation grooves.
[0018] Based on the above technical features: By respectively installing second angle sensors in a plurality of groups of installation grooves, when driving the turntable to drive the second limit post and the second limit plate at the top to bend the steel bar strip, since the first angle sensor is synchronized with the running track of the second limit plate, the running track of the second limit plate can be transmitted to the second angle sensor installed at the corresponding position inside the turntable groove, and the angle rotated by the second limit plate during the bending process of the steel bar strip can be recorded at any time, omitting the redundant steps of first bending the steel bar strip and then measuring the steel bar strip in the traditional method.
[0019] In summary, the present utility model includes at least one of the following beneficial effects:
[0020] 1. In this solution, the arc grooves formed on one sides of the first limit plate and the second limit plate can play a role in limiting the steel bar strip to be bent, and cooperating with the anti-slip layer laid inside the arc grooves, the friction between the arc grooves and the steel bar strip can be effectively improved. Through the adjustment screw rod and adjustment screw hole structure, the distances between the first limit plate, the second limit plate and the limit rod can also be adjusted according to the thickness specifications of the steel bar strips, which can effectively prevent the steel bar strip from loosening during the bending process, thereby improving the stability of the steel bar bending machine in bending the steel bar strip.
[0021] 2. By respectively installing second angle sensors in a plurality of groups of installation grooves, when driving the turntable to drive the second limit post and the second limit plate at the top to bend the steel bar strip, since the first angle sensor is synchronized with the running track of the second limit plate, the running track of the second limit plate can be transmitted to the second angle sensor installed at the corresponding position inside the turntable groove, and the angle rotated by the second limit plate during the bending process of the steel bar strip can be recorded at any time, omitting the redundant steps of first bending the steel bar strip and then measuring the steel bar strip in the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1It is a schematic diagram of the overall structure of the present utility model;
[0023] Figure 2 It is a schematic diagram of the bending of the steel bar strip of the present utility model;
[0024] Figure 3 It is a schematic diagram of the structure of the driving turntable of the present utility model;
[0025] Figure 4 It is a schematic diagram of the structure of the turntable groove of the present utility model;
[0026] Figure 5 It is a schematic diagram of the structure of the first limiting plate of the present utility model.
[0027] Explanation of reference numerals:
[0028] 1, steel bar bender; 2, turntable groove; 3, driving turntable; 4, first limiting column; 5, limiting rod; 6, second limiting column; 7, steel bar strip; 8, first limiting plate; 9, second limiting plate; 10, first angle sensor; 11, motor output shaft; 12, installation groove; 13, second angle sensor; 14, arc groove; 15, anti-slip layer; 16, bearing seat; 17, adjusting screw; 18, adjusting handwheel; 19, adjusting screw hole. Specific implementation mode
[0029] The following is a further detailed description of the present utility model in conjunction with the attached Figures 1 - 5 drawings.
[0030] Please refer to Figures 1 - 2 , a calibration device for a steel bar bending test machine provided by the present utility model includes a steel bar bender 1. A turntable groove 2 is opened at the top of the steel bar bender 1. A driving turntable 3 is installed inside the turntable groove 2. A first limiting column 4 is arranged on one side of the top of the steel bar bender 1. A limiting rod 5 is installed on the top of the driving turntable 3. A second limiting column 6 is arranged on one side of the limiting rod 5. A steel bar strip 7 is also connected between the second limiting column 6 and the first limiting column 4 and the limiting rod 5.
[0031] Please refer to Figures 3 - 4 , a first limiting plate 8 is installed on one side of the first limiting column 4. A second limiting plate 9 is arranged on one side of the second limiting column 6. The driving turntable 3 is matched with the structure of the turntable groove 2. A first angle sensor 10 is arranged on the outer side of the driving turntable 3. The first angle sensor 10 and the second limiting plate 9 are on the same vertical horizontal line. Since the second limiting column 6 is fixedly connected to one side of the top of the driving turntable 3, and the first angle sensor 10 and the second limiting plate 9 are on the same vertical horizontal line, when the driving turntable 3 is driven by the driving motor inside the steel bar bender 1, the running tracks of the first angle sensor 10 and the second limiting plate 9 can be made synchronous.
[0032] Please refer toFigure 4 , a motor output shaft 11 is connected inside the turntable groove 2, and several groups of mounting grooves 12 are arranged on the inner side of the turntable groove 2. A second angle sensor 13 is connected inside each of the several groups of mounting grooves 12. By respectively installing the second angle sensors 13 inside the several groups of mounting grooves 12, when the driving turntable 3 drives the second limit posts 6 and the second limit plates 9 at the top to bend the reinforcing bar 7, since the running track of the first angle sensor 10 is synchronized with that of the second limit plate 9, the running track of the second limit plate 9 can be transmitted to the second angle sensor 13 installed at the corresponding position on the inner side of the turntable groove 2, and the angle rotated by the second limit plate 9 for bending the reinforcing bar 7 can be recorded at any time, omitting the redundant steps of the traditional method of first bending the reinforcing bar 7 and then measuring the reinforcing bar 7.
[0033] Please refer to Figure 5 , the second limit plate 9 has the same structure as the first limit plate 8. An arc-shaped groove 14 is opened on one side of the first limit plate 8, and an anti-slip layer 15 is also laid on the inner side of the arc-shaped groove 14. By the arc-shaped grooves 14 opened on one side of the first limit plate 8 and the second limit plate 9, the reinforcing bar 7 to be bent can be limited, and together with the anti-slip layer 15 laid on the inner side of the arc-shaped groove 14, the friction between the arc-shaped groove 14 and the reinforcing bar 7 can be effectively increased.
[0034] Please refer to Figure 5 , a bearing seat 16 is installed on the side of the first limit plate 8 away from the arc-shaped groove 14. A regulating screw 17 is connected to the side of the bearing seat 16 away from the first limit plate 8, and a regulating handwheel 18 is also installed at the end of the regulating screw 17 away from the bearing seat 16. By installing the bearing seat 16 between the arc-shaped groove 14 and the regulating screw 17, the regulating screw 17 can be movably connected to the back of the arc-shaped groove 14. When the distance between the first limit plate 8, the second limit plate 9 and the limit rod 5 is adjusted by the regulating screw 17, the situation that the first limit plate 8 and the second limit plate 9 rotate on their own can be effectively prevented.
[0035] Please refer to Figure 5 , adjusting screw holes 19 are respectively opened through the middle parts of the first limit post 4 and the second limit post 6, and the adjusting screw holes 19 are in threaded fit with the regulating screw 17, and the distance between the first limit plate 8, the second limit plate 9 and the limit rod 5 can be adjusted according to the thickness specification of the reinforcing bar 7.
[0036] Working principle: In this solution, the arc-shaped grooves 14 opened on one side of the first limit plate 8 and the second limit plate 9 can play a role in limiting the steel bar 7 to be bent and processed. With the anti-slip layer 15 laid on the inner side of the arc-shaped groove 14, the friction between the arc-shaped groove 14 and the steel bar 7 can be effectively improved. By adjusting the screw 17 and the adjusting screw hole 19 structure, the distance between the first limit plate 8, the second limit plate 9 and the limit rod 5 can also be adjusted according to the thickness specification of the steel bar 7, which can effectively prevent the steel bar 7 from loosening during the bending process, so as to improve the stability of the steel bar bending machine 1 for bending the steel bar 7;
[0037] By respectively installing the second angle sensors 13 in several groups of installation grooves 12, when the driving turntable 3 drives the second limit posts 6 and the second limit plate 9 at the top to bend the steel bar 7, because the running track of the first angle sensor 10 is synchronized with that of the second limit plate 9, the running track of the second limit plate 9 can be transmitted to the second angle sensor 13 installed at the corresponding position inside the turntable groove 2, and the angle of rotation of the second limit plate 9 for bending the steel bar 7 can be recorded at all times, omitting the redundant steps of the traditional method of first bending the steel bar 7 and then measuring the steel bar 7.
[0038] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this. Therefore, all equivalent changes made according to the structure, shape and principle of the present invention shall be covered within the protection scope of the present invention.
Claims
1. A calibration device for a steel bar bending testing machine, comprising a steel bar bending machine (1), characterized in that: A turntable groove (2) is formed at the top of the steel bar bender (1), a driving turntable (3) is installed inside the turntable groove (2), and a first limiting column (4) is arranged on one side of the top of the steel bar bender (1); A limiting rod (5) is installed on the top of the driving turntable (3), a second limiting column (6) is arranged on one side of the limiting rod (5), and a steel bar strip (7) is further connected between the second limiting column (6), the first limiting column (4) and the limiting rod (5); A first limiting plate (8) is installed on one side of the first limiting column (4), and a second limiting plate (9) is arranged on one side of the second limiting column (6).
2. A calibration device for a steel bar bending testing machine according to claim 1, characterized in that: The driving turntable (3) is matched with the turntable groove (2) in structure, a first angle inductor (10) is arranged on the outer side of the driving turntable (3), and the first angle inductor (10) and the second limiting plate (9) are on the same vertical horizontal line.
3. A calibration device for a steel bar bending testing machine according to claim 1, characterized in that: The second limiting plate (9) has the same structure as the first limiting plate (8), an arc groove (14) is formed on one side of the first limiting plate (8), and an anti-slip layer (15) is further laid on the inner side of the arc groove (14).
4. A calibration device for a steel bar bending testing machine according to claim 3, characterized in that: A bearing seat (16) is installed on the side of the first limiting plate (8) away from the arc groove (14), an adjusting screw rod (17) is connected to the side of the bearing seat (16) away from the first limiting plate (8), and an adjusting hand wheel (18) is further installed at one end of the adjusting screw rod (17) away from the bearing seat (16).
5. A calibration device for a steel bar bending testing machine according to claim 4, characterized in that: Adjusting screw holes (19) are formed through the middle parts of the first limiting column (4) and the second limiting column (6), and the adjusting screw holes (19) are in threaded fit with the adjusting screw rod (17).
6. A calibration device for a steel bar bending testing machine according to claim 1, characterized in that: A motor output shaft (11) is connected inside the turntable groove (2), a plurality of groups of installation grooves (12) are arranged on the inner side of the turntable groove (2), and second angle inductors (13) are connected inside each of the plurality of groups of installation grooves (12).