Reverse bending angle measuring device for reinforcing steel bar

Abstract

The utility model discloses a steel bar reverse bending angle measuring device, which comprises a box body, a universal wheel, a rotating disc, two bending rollers, a measuring ring, a clamping assembly and a stabilizing assembly, the universal wheel is fixedly arranged at the bottom of the box body, the rotating disc is rotatably arranged at the top end of the box body, the two bending rollers are fixedly arranged at the top end of the rotating disc, and the measuring ring is arranged on the rotating disc. The measuring ring is fixedly installed at the top end of the box body and arranged on the outer side of the rotating disc in a sleeving mode, and scales are arranged at the top end of the measuring ring. According to the steel bar bending device, the threaded rod is arranged in the groove, then the two threaded blocks with opposite threads are arranged, the two clamping plates are driven by the two threaded blocks to be close to each other, and the steel bars are clamped by the arc-shaped grooves in one sides of the clamping plates, so that the stability of the steel bars can be guaranteed during bending, and a plurality of steel bars can be bent at the same time at a time; and meanwhile, manual supporting is not needed, the working efficiency is improved, manpower is saved, and the practicability of the device is higher.

Description

Technical Field

[0001] This utility model belongs to the field of building material testing technology, specifically relating to a device for measuring the reverse bending angle of reinforcing bars. Background Technology

[0002] Reinforcing steel is a crucial component of building construction. As a vital structural load-bearing material, the quality of reinforcing steel largely determines the overall quality of the construction project. Therefore, my country has issued corresponding standards and specifications to strictly control its quality. Reinforcing steel, as a basic material, requires secondary processing during its use in building construction. Thus, the accuracy of the reverse bending test results for the raw reinforcing steel is particularly important, necessitating the measurement of the reverse bending angle during its use in building construction.

[0003] Chinese utility model patent with authorization publication number CN212733920U discloses a steel bending and reverse bending device with angle measurement, including a worktable, a bending device, and an angle measuring device set on the top of the worktable. The bending device includes a hydraulic cylinder, and fixed frames are provided at the bottom of both the left and right sides of the hydraulic cylinder. A reverse bending device is provided on the front side of the hydraulic cylinder. The reverse bending device includes a bending block, and a reverse bending block is provided on the front side of the bending block. A connecting plate is fixedly connected to the top of the reverse bending block and the bending block. The rear sidewall of the bending block is fixedly connected to the piston rod of the hydraulic cylinder.

[0004] The aforementioned patent has the following shortcomings: the device can only bend one steel bar at a time, resulting in low working efficiency; and it lacks a fixed clamping structure, requiring manual support of the steel bar during bending, making the operation complicated and its practicality low.

[0005] Therefore, a device for measuring the reverse bending angle of reinforcing bars is urgently needed. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a device for measuring the reverse bending angle of reinforcing bars.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] This utility model provides a device for measuring the reverse bending angle of reinforcing bars, including a housing, casters, a turntable, two bending rollers, a measuring ring, a clamping assembly, and a stabilizing assembly. The casters are fixedly installed at the bottom of the housing, the turntable is rotatably installed at the top of the housing, the two bending rollers are fixedly installed at the top of the turntable, the measuring ring is fixedly installed at the top of the housing and sleeved on the outside of the turntable, and the top of the measuring ring is provided with a scale. The clamping assembly is installed on any side of the housing and located on one side of the turntable, and is used to clamp the reinforcing bars. The stabilizing assembly is installed at the bottom of the housing and is used to fix the housing.

[0009] Preferably, a servo motor is installed inside the housing, and the output end of the servo motor is connected to the central shaft of the turntable. An angle sensor is fixedly installed on one side of the top of the turntable. A control panel is fixedly installed on any side surface of the housing, and the angle sensor is electrically connected to the control panel.

[0010] Preferably, the clamping assembly includes a support plate, a threaded rod, two threaded blocks, and a clamping plate. The support plate is installed on any side of the housing and located on one side of the turntable. A groove is provided at the top of the support plate. The threaded rod is rotatably disposed in the groove through a bearing. The two threaded blocks are threadedly sleeved on the threaded rod, and the internal threads of the two threaded blocks have opposite directions. The threaded blocks are slidably disposed in contact with the inner wall of the groove. The clamping plate is installed on the top of the two threaded blocks.

[0011] Preferably, a handwheel is also installed at one end of the threaded rod, the handwheel is located outside the support plate, and at least one arc-shaped groove is symmetrically provided on opposite sides of the clamping plate.

[0012] Preferably, the stabilizing component includes a limiting plate, two limiting rods, two limiting discs, a return spring, a rubber block, a pressure block, two sliding rods, and a push block. The limiting plate is located below the bottom of the housing. The two limiting rods are movably inserted through openings at both ends of the limiting plate along its length. The top ends of the two limiting rods are fixedly installed at the bottom of the housing. The two limiting discs are respectively installed at the bottom of the two limiting rods. The return spring is sleeved on the two limiting rods, with its two ends abutting against the bottom of the limiting plate and the top of the limiting discs, respectively. The rubber block and the pressure block are respectively installed at the bottom and top of the limiting plate. The two sliding rods are fixedly installed at both ends of their length at the bottom of the housing, with the two sliding rods spanning across the pressure block. The push block is movably sleeved on the two sliding rods.

[0013] Preferably, the opposing surfaces of the pressing block and the pushing block are arc-shaped, and the opposing surfaces of the pushing block and the pressing block are inclined from high to low along their length direction.

[0014] Preferably, an electric telescopic rod is also fixedly installed at the bottom of the box, and the output end of the electric telescopic rod is fixedly connected to the push block.

[0015] Compared with the prior art, this utility model has the following advantages:

[0016] (1) This utility model sets two bending rollers at the top of the turntable and uses the rotating turntable to bend the steel bar. At the same time, a scale is set on one side of the measuring ring, and the direction of the bent steel bar can be read to obtain the bending angle of the steel bar. Meanwhile, the angle sensor can also sense the rotation angle of the turntable and transmit the data to the control panel. In this way, not only can manual reading be realized, but the angle value can also be read according to the data transmitted by the angle sensor.

[0017] (2) This utility model sets a threaded rod inside the groove and then sets two threaded blocks with opposite threads. The two threaded blocks drive the two clamping plates to move closer to each other. The arc groove on one side of the clamping plate clamps the steel bar. This ensures the stability of the steel bar when bending. Multiple steel bars can be bent at the same time. At the same time, there is no need to rely on manual support, which improves work efficiency, saves manpower, and makes the device more practical.

[0018] (3) This utility model stabilizes the box by setting a limit plate that can move up and down at the bottom of the box. After the box is moved to a suitable position, the rubber block is pressed against the ground to ensure that the box will not shift under the action of the caster wheel, so that the device is more stable when bending the steel bars. With the help of the cooperation of the push block and the pressure block, the electric telescopic rod drives the rubber block closer to the ground, and then the electric telescopic rod drives the push block away from the pressure block. In this way, the rubber block will be reset under the action of the return spring. At this time, the device can be pushed at will. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the servo motor and the turntable of this utility model;

[0021] Figure 3 This is a schematic diagram of the clamping plate installation structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the installation structure of the limiting plate of this utility model.

[0023] In the diagram: 1. Housing; 11. Casters; 12. Turntable; 13. Bending roller; 14. Measuring ring; 15. Scale; 16. Servo motor; 17. Angle sensor; 18. Control panel; 2. Clamping assembly; 21. Support plate; 22. Groove; 23. Threaded rod; 24. Threaded block; 25. Handwheel; 26. Clamping plate; 27. Arc groove; 3. Stabilizing assembly; 31. Limiting plate; 32. Limiting rod; 33. Limiting disc; 34. Return spring; 35. Rubber block; 36. Pressure block; 37. Slide rod; 38. Push block; 39. Electric telescopic rod. Detailed Implementation

[0024] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0025] In the description of this utility model, it should be understood that the terms "left," "right," etc., indicating the orientation or positional relationship are based on the accompanying drawings. Figure 1The orientations or positional relationships shown are for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] like Figures 1 to 4 As shown, this embodiment provides a rebar reverse bending angle measuring device, including a housing 1, casters 11, a turntable 12, two bending rollers 13, a measuring ring 14, a clamping assembly 2, and a stabilizing assembly 3. The casters 11 are fixedly installed at the bottom of the housing 1, the turntable 12 is rotatably installed at the top of the housing 1, the two bending rollers 13 are fixedly installed at the top of the turntable 12, the measuring ring 14 is fixedly installed at the top of the housing 1 and sleeved on the outside of the turntable 12, and the top of the measuring ring 14 is provided with a scale 15; the clamping assembly 2 is installed on any side of the housing 1 and located on one side of the turntable 12, and is used to clamp the rebar; the stabilizing assembly 3 is installed at the bottom of the housing 1 and is used to fix the housing 1.

[0028] Specifically, a servo motor 16 is installed inside the housing 1, and the output end of the servo motor 16 is connected to the central shaft of the turntable 12. An angle sensor 17 is fixedly installed on one side of the top of the turntable 12. A control panel 18 is fixedly installed on any side surface of the housing 1, and the angle sensor 17 is electrically connected to the control panel 18.

[0029] The output end of the servo motor 16 is connected to the central shaft of the turntable 12 via a coupling, thereby providing power output for the rotation of the turntable 12. Two bending rollers 13 are set at the top of the turntable 12, and the rotating turntable 12 is used to bend the steel bars. At the same time, a scale 15 is set on one side of the measuring ring 14, which can read the direction of the bent steel bar to obtain the bending angle. Meanwhile, the angle sensor 17 can also sense the rotation angle of the turntable 12 and transmit the data to the control panel 18. In this way, not only can manual reading be realized, but the angle value can also be read based on the data transmitted by the angle sensor 17.

[0030] Specifically, the clamping assembly 2 includes a support plate 21, a threaded rod 23, two threaded blocks 24, and a clamping plate 26. The support plate 21 is installed on any side of the housing 1 and located on one side of the turntable 12. A groove 22 is formed at the top of the support plate 21. The threaded rod 23 is rotatably disposed in the groove 22 via a bearing. The two threaded blocks 24 are threadedly sleeved on the threaded rod 23, and the internal threads of the two threaded blocks 24 have opposite directions. The threaded blocks 24 are slidably disposed in contact with the inner wall of the groove 22. The clamping plate 26 is installed on the top of the two threaded blocks 24. A handwheel 25 is also installed at one end of the threaded rod 23. The handwheel 25 is located outside the support plate 21. Five arc-shaped grooves 27 are symmetrically arranged on opposite sides of the clamping plate 26.

[0031] The threaded rod 23 can drive two threaded blocks 24 to move inside the groove 22. Since the threads inside the two threaded blocks 24 rotate in opposite directions, when the threaded rod 23 rotates, the two threaded blocks 24 will move towards or away from each other, and at the same time drive the two clamping plates 26 to move closer or further away from each other, so as to use the arc groove 27 to clamp the steel bars, and multiple steel bars can be bent at the same time.

[0032] Specifically, the stabilizing component 3 includes a limiting plate 31, two limiting rods 32, two limiting discs 33, a return spring 34, a rubber block 35, a pressure block 36, two sliding rods 37, and a push block 38. The limiting plate 31 is located below the bottom of the housing 1. The two limiting rods 32 are movably inserted through openings at both ends along the length of the limiting plate 31. The top ends of the two limiting rods 32 are fixedly installed at the bottom of the housing 1. The two limiting discs 33 are respectively installed at the bottom of the two limiting rods 32. The return spring 34 is sleeved on the two limiting rods 32, and its two ends abut against the bottom of the limiting plate 31 and the top of the limiting discs 33, respectively. The rubber block 35 and the pressure block 36 are respectively installed at the bottom and top of the limiting plate 31. The two sliding rods 37 are fixedly installed at both ends along the length of the bottom of the housing 1, and the two sliding rods 37 span over the pressure block 36. The push block 38 is movably sleeved on the two sliding rods 37. The opposing surfaces of the pressure block 36 and the push block 38 are arc-shaped, and the surface of the push block 38 opposite to the pressure block is inclined from high to low along its length. An electric telescopic rod 39 is also fixedly installed at the bottom of the housing 1, and the output end of the electric telescopic rod 39 is fixedly connected to the push block 38.

[0033] The limiting rod 32 is used to limit the limiting plate 31. The limiting plate 33, together with the reset spring 34, can drive the limiting plate 31 to complete the reset. By pressing the rubber block 35 against the ground, the stability of the box 1 is ensured. The push block 38 and the pressure block 36 cooperate to enable the electric telescopic rod 39 to drive the rubber block 35 closer to the ground.

[0034] The working principle of this embodiment will be further explained below:

[0035] First, move the housing 1 to a suitable position, then activate the electric telescopic rod 39 to move the push block 38 closer to the pressure block 36 until the pressure block 36 is compressed and moves downward synchronously with the limiting plate 31. At this time, the rubber block 35 rests against the ground side, thus ensuring that the housing 1 will not shift under the action of the casters 11, providing a buffering function. When it is necessary to move the housing 1, activate the electric telescopic rod 39 again, which will move the push block 38 away from the pressure block 36. Then, the limiting plate 31 and the rubber block 35 will be reset under the action of the return spring 34, at which point the device can be pushed freely.

[0036] The reinforcing bar is passed between the two clamping plates 26, while ensuring that the reinforcing bar is passed between the two bending rollers 13. Then, the handwheel 25 is turned, which drives the threaded rod 23 to rotate. Then, the two clamping plates 26 will move closer to each other under the action of the threaded block 24 until the arc groove 27 on one side of the two clamping plates 26 clamps the reinforcing bar. Then, the servo motor 16 is started to drive the turntable 12 to rotate. Then, the reinforcing bar will be bent under the action of the bending roller 13.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for measuring the reverse bending angle of reinforcing bars, characterized in that, The device includes a housing (1), casters (11), a turntable (12), a double-bending roller (13), a measuring ring (14), a clamping assembly (2), and a stabilizing assembly (3). The casters (11) are fixedly installed at the bottom of the housing (1). The turntable (12) is rotatably installed at the top of the housing (1). The double-bending roller (13) is fixedly installed at the top of the turntable (12). The measuring ring (14) is fixedly installed at the top of the housing (1) and sleeved on the outside of the turntable (12). The top of the measuring ring (14) is provided with a scale (15). The clamping assembly (2) is installed on any side of the housing (1) and located on one side of the turntable (12) for clamping the reinforcing bars. The stabilizing assembly (3) is installed at the bottom of the housing (1) for fixing the housing (1).

2. The rebar reverse bending angle measuring device according to claim 1, characterized in that, A servo motor (16) is installed inside the housing (1). The output end of the servo motor (16) is connected to the central shaft of the turntable (12). An angle sensor (17) is fixedly installed on one side of the top of the turntable (12). A control panel (18) is fixedly installed on any side surface of the housing (1). The angle sensor (17) is electrically connected to the control panel (18).

3. The rebar reverse bending angle measuring device according to claim 1, characterized in that, The clamping assembly (2) includes a support plate (21), a threaded rod (23), a double threaded block (24), and a clamping plate (26). The support plate (21) is installed on any side of the housing (1) and located on one side of the turntable (12). A groove (22) is provided at the top of the support plate (21). The threaded rod (23) is rotatably disposed in the groove (22) through a bearing. The double threaded block (24) is threaded onto the threaded rod (23) and the internal threads of the double threaded block (24) are opposite in direction. The threaded block (24) is slidably disposed in contact with the inner wall of the groove (22). The clamping plate (26) is installed on the top of the double threaded block (24).

4. The rebar reverse bending angle measuring device according to claim 3, characterized in that, A handwheel (25) is also installed at one end of the threaded rod (23). The handwheel (25) is located outside the support plate (21). The clamping plate (26) has at least one arc-shaped groove (27) symmetrically arranged on opposite sides.

5. The rebar reverse bending angle measuring device according to claim 1, characterized in that, The stabilizing component (3) includes a limiting plate (31), two limiting rods (32), two limiting discs (33), a return spring (34), a rubber block (35), a pressure block (36), two sliding rods (37), and a push block (38). The limiting plate (31) is located below the bottom of the housing (1). The two limiting rods (32) are movably inserted through openings at both ends of the limiting plate (31) along its length. The top ends of the two limiting rods (32) are fixedly installed at the bottom of the housing (1). The two limiting discs (33) are respectively installed on the two limiting rods (34). The bottom of the positioning rod (32) is covered by the reset spring (34), which is sleeved on the two limiting rods (32) and its two ends abut against the bottom of the limiting plate (31) and the top of the limiting plate (33) respectively; the rubber block (35) and the pressure block (36) are respectively installed on the bottom and top of the limiting plate (31); the two sliding rods (37) are fixedly installed at the bottom of the box (1) along their length and span across the pressure block (36); the push block (38) is movably sleeved on the two sliding rods (37).

6. The rebar reverse bending angle measuring device according to claim 5, characterized in that, The opposing surfaces of the pressure block (36) and the push block (38) are arc-shaped structures, and the opposing surfaces of the push block (38) and the pressure block are inclined from high to low along their length direction.

7. The rebar reverse bending angle measuring device according to claim 5, characterized in that, An electric telescopic rod (39) is also fixedly installed at the bottom of the box (1), and the output end of the electric telescopic rod (39) is fixedly connected to the push block (38).

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