A bending device for steel strength detection

Abstract

The utility model discloses a kind of bending devices for steel strength detection, including bending roller, bending table, positioning elastic band, fixed tuning assembly and push plate, bending roller is installed in the upside of bending table by driving assembly lifting, and bending table is opened with bending mouth, bending roller lifting is installed in the upside of bending mouth, and bending mouth is fixedly connected with elastic pad, it is convenient to reduce the impact force when bending the influence of bending table, increase the stability of steel bending detection, positioning elastic band is set to multiple, multiple positioning elastic band is symmetrically slidably arranged in the both sides of bending table, and multiple positioning elastic band on the same side equidistantly installed in the top of bending table, fixed tuning assembly is installed between each positioning elastic band and bending table, push plate is movably installed in the underside of bending mouth by push seat. The bending device for steel strength detection is convenient for different degree of strength detection to steel.

Description

Technical Field

[0001] This utility model relates to the field of bending device technology, and specifically to a bending device for testing the strength of reinforcing bars. Background Technology

[0002] Rebar strength testing is a core step in ensuring the safety of building structures. The results directly determine whether the rebar can meet the design load requirements and resist external forces. The mechanical properties of rebar quality standards need to be measured, including yield point, tensile strength, elongation, and cold bending performance. Among these, the bending strength of the rebar needs to be tested using a bending device. For example, the utility model disclosed in patent publication number CN222979310U is a bending device for testing the strength of reinforcing bars. By operating the handle to rotate the mounting frame, the bending roller rotates around the top of the bending mold, which facilitates the purpose of quickly bending and testing the reinforcing bars. Although it is convenient to quickly bend the reinforcing bars, the bending is done manually by operating the handle, and the bending force is not easy to control, thus making it inconvenient to test the strength of the reinforcing bars at different levels. Summary of the Invention

[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a bending device for testing the strength of reinforcing bars, thereby solving the problem mentioned in the background art of the inconvenience of testing reinforcing bars to different degrees of strength.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a bending device for testing the strength of reinforcing bars, comprising a bending roller, a bending table, a positioning elastic band, an adjustment component, and a push plate; The bending roller is mounted on the upper side of the bending table via a drive assembly, and the bending table has a bending opening. The positioning elastic bands are configured in multiple ways, and the multiple positioning elastic bands are symmetrically slidably disposed on both sides of the bending table, and the multiple positioning elastic bands located on the same side are equidistantly installed on the top of the bending table. The tuning component is installed between each of the positioning elastic bands and the bending table; The push plate is movably mounted on the lower side of the bend via a push seat, and the push plate is provided with multiple push slots at equal intervals.

[0005] Furthermore, the tuning component includes: A tuning plate is movably mounted on the top of the bending table, and the bending table has a tuning port for the tuning plate to slide. The adjustment rollers are configured in two, and the two adjustment rollers are symmetrically connected to both sides of the adjustment plate. Two adjustment grooves are opened at the adjustment port for the adjustment rollers to slide. A tuning cylinder, wherein two tuning cylinders are symmetrically connected to the tuning plate; The adjustment rod is provided in two parts, and the two adjustment rods are respectively slidably installed on the two adjustment cylinders, and the positioning elastic band is detachably connected to one of the adjustment rods; A tuning spring is fixedly connected between each tuning rod and the inner wall of the adjacent tuning cylinder.

[0006] Furthermore, the driving component includes: A bracket, which is fixedly connected to the top of the bending table; Two electric cylinders are provided, and the two electric cylinders are symmetrically mounted on the bracket. The drive frame is provided in two, and the two drive frames are respectively fixedly connected to the output ends of the two electric cylinders, and the drive frame is detachably connected to the bending roller. Two connecting screws are provided, and the two connecting screws are respectively threaded between the bending roller and the two drive frames.

[0007] Furthermore, the push seat includes: A base plate, which is installed directly below the bend; Electric cylinder two, which is installed on the top of the base plate; A pusher frame is fixedly connected between the output end of the electric cylinder and the pusher plate.

[0008] Furthermore, a drive frame and a clamp are fixedly connected to the bottom ends of both sides of the positioning elastic band, the drive frame is fixedly connected to the adjacent adjustment rod, and the other adjustment rod has a clamp that matches the clamp.

[0009] Furthermore, the bending roller is lifted and installed directly above the bending opening, and an elastic pad is fixedly connected to the bending opening.

[0010] Furthermore, each of the tuning rods is connected to a buffer rod, and each tuning cylinder has a buffer groove on its inner sidewall for the buffer rod to slide.

[0011] Furthermore, the bottom end of the bending table is fixedly connected to multiple bottom rods, and the bottom end of each of the multiple bottom rods is fixedly connected to a bottom block. Multiple bottom strips are fixedly connected between the bottom block and the bottom plate.

[0012] Compared with the prior art, this utility model provides a bending device for testing the strength of reinforcing bars, which has the following beneficial effects: 1. In this utility model, the bending table facilitates the placement of different quantities of steel bars, and the combination of multiple adjustment components and multiple positioning elastic bands facilitates the separate positioning of different quantities of steel bars, so as to facilitate batch bending and strength testing of different quantities of steel bars, thereby improving the efficiency of bending and strength testing of steel bars. 2. In this utility model, the bending range of the bending roller can be adjusted by driving the bending roller to rise and fall through the drive component. At the same time, the bending force of the bending roller can be adjusted by adjusting the stroke of the two electric cylinders, so as to bend the steel bars to different degrees and thus facilitate the strength testing of the steel bars to different degrees. 3. In this utility model, the cooperation of the push seat, the push plate and multiple push slots facilitates the pushing and unloading of different numbers of bent steel bars, thereby improving the unloading efficiency of bent steel bars and thus improving the efficiency of subsequent steel bar bending detection. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 For this application Figure 1 A magnified schematic diagram of the local structure at point A; Figure 3 This is a cross-sectional structural diagram showing the alignment of the positioning elastic band, the adjusting plate, and the adjusting cylinder in this application. Figure 4 This is a schematic diagram of the structure of the push plate, electric cylinder 2, and push frame in this application.

[0014] In the diagram: 1. Bending roller; 2. Bending table; 3. Positioning elastic band; 4. Push plate; 5. Adjusting plate; 6. Adjusting roller; 7. Adjusting cylinder; 8. Adjusting rod; 9. Adjusting spring; 10. Support; 11. Electric cylinder one; 12. Drive frame; 13. Connecting screw; 14. Base plate; 15. Electric cylinder two; 16. Push frame; 17. Drive frame; 18. Clip; 19. Elastic pad; 20. Buffer rod; 21. Base rod; 22. Base block; 23. Base strip. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1 to 4 A bending device for testing the strength of reinforcing bars includes a bending roller 1, a bending table 2, a positioning elastic band 3, an adjustment component, and a push plate 4. The bending roller 1 is lifted and installed on the upper side of the bending table 2 via a drive component, and the bending table 2 has a bending opening. The bending roller 1 is lifted and installed directly above the bending opening, and an elastic pad 19 is fixedly connected at the bending opening to reduce the impact of the bending force during bending on the bending table 2 and increase the stability of the reinforcing bar bending test. Multiple positioning elastic bands 3 are provided, and multiple positioning elastic bands 3 are symmetrically slidably arranged on both sides of the bending table 2. Multiple positioning elastic bands 3 located on the same side are equidistantly installed at the top of the bending table 2. The adjustment component is installed between each positioning elastic band 3 and the bending table 2. The push plate 4 is moved and installed on the lower side of the bending opening via a push seat, and multiple push grooves are equidistantly opened on the push plate 4 to facilitate pushing different numbers of reinforcing bars, so as to facilitate the removal and unloading of the reinforcing bars.

[0017] refer to Figure 1 as well as Figure 3 The adjustment assembly includes an adjustment plate 5, adjustment rollers 6, adjustment cylinders 7, adjustment rods 8, and adjustment springs 9. The adjustment plate 5 is movably mounted on the top of the bending table 2. The bending table 2 has adjustment openings for the adjustment plate 5 to slide. Two adjustment rollers 6 are symmetrically connected to both sides of the adjustment plate 5, and two adjustment slots for the adjustment rollers 6 to slide are provided at the adjustment openings. Two adjustment cylinders 7 are symmetrically connected to the adjustment plate 5. Two adjustment rods 8 are slidably mounted on the two adjustment cylinders 7 respectively, and the positioning elastic band 3 is detachably connected to one of the adjustment rods 8. The adjustment spring 9 is fixedly connected between each adjustment rod 8 and the inner wall of the adjacent adjustment cylinder 7. A buffer rod 20 is connected through each adjustment rod 8. The inner wall of the adjusting cylinder 7 is provided with buffer grooves for the sliding of the buffer rod 20. When the adjusting spring 9 rebounds, the buffer rod 20 will move in the buffer groove, which can buffer the rebound of the adjusting spring 9 and reduce the impact of the rebound vibration on the adjusting rod 8 and the positioning elastic band 3. The bottom ends of the two sides of the positioning elastic band 3 are respectively fixedly connected to the drive frame 17 and the clamp 18. The drive frame 17 is fixedly connected to the adjacent adjusting rod 8, and the other adjusting rod 8 is provided with a slot that matches the clamp 18. The friction between the clamp 18 and the slot is large, and the clamp 18 will not move randomly in the slot. When the clamp 18 is inserted into the slot, the positioning elastic band 3 can be quickly installed on the adjusting rod 8 with the slot. At the same time, when it is necessary to quickly remove the positioning elastic band 3 from the adjusting rod 8, the clamp 18 can be pulled out directly in the slot. After placing an appropriate number of reinforcing bars on the bending table 2 according to the testing requirements, the reinforcing bars are threaded between multiple positioning elastic bands 3. The elastic force of multiple adjusting springs 9 allows multiple adjusting rods 8 and multiple positioning elastic bands 3 to position the reinforcing bars individually, facilitating stable bending. During bending, as the reinforcing bars change shape, the positioning elastic bands 3 expand and contract accordingly. Simultaneously, two adjacent adjusting rods 8 move within two adjusting cylinders 7, causing the two adjusting springs 9 to expand and contract to a certain extent. The two positioning cylinders will drive the connected adjusting plate 5 to move. When the adjusting plate 5 moves in the adjusting port, the two adjusting rollers 6 will move or rotate to a certain extent in the two adjusting slots, so that the corresponding two positioning elastic bands 3 can always maintain the positioning of the steel bar during the bending process, preventing the steel bar from shaking during bending and improving the stability effect of bending the steel bar. When the bending is finished and the steel bar needs to be removed for cutting, the clamp 18 can be pulled out directly in the corresponding clamp, and the positioning elastic band 3 can be removed on the adjusting rod 8 to release the restriction on the steel bar.

[0018] refer to Figure 1 as well as Figure 2 The drive assembly includes a bracket 10, an electric cylinder 11, a drive frame 12, and connecting screws 13. The bracket 10 is fixedly connected to the top of the bending table 2. There are two electric cylinders 11, which are symmetrically mounted on the bracket 10. There are two drive frames 12, which are fixedly connected to the output ends of the two electric cylinders 11 respectively. The drive frames 12 are detachably connected to the bending roller 1. There are two connecting screws 13, which are threaded between the bending roller 1 and the two drive frames 12 respectively. Tightening the connecting screw 13 between the bending roller 1 and the drive frame 12 allows for quick connection and disassembly of the bending roller 1 and the drive frame 12, facilitating the replacement of the bending roller 1 according to the requirements of rebar bending inspection. Simultaneously, the two electric cylinders 11 are activated, pushing both sides of the bending roller 1 to bend the rebar. The bending range of the bending roller 1 can be adjusted by adjusting its height, and the bending force can be adjusted by adjusting the stroke of the two electric cylinders 11, thus enabling different degrees of bending of the rebar and subsequent strength testing.

[0019] refer to Figure 1 as well as Figure 4The pusher base includes a base plate 14, an electric cylinder 15, and a pusher frame 16. The base plate 14 is installed directly below the bending opening, the electric cylinder 15 is installed on the top of the base plate 14, and the pusher frame 16 is fixedly connected between the output end of the electric cylinder 15 and the pusher plate 4. Multiple base rods 21 are fixedly connected to the bottom end of the bending table 2, and a base block 22 is fixedly connected to the bottom end of each of the multiple base rods 21. Multiple base strips 23 are fixedly connected between the base block 22 and the base plate 14, which can stably support and install the bending table 2 and the electric cylinder 15. When the electric cylinder 15 is started, the pusher 16 pushes the pusher plate 4, which can push the pusher plate 4 and multiple pusher slots to push different numbers of steel bars, so as to push the bent steel bars to the appropriate position for removal and unloading.

[0020] In summary, firstly, a suitable number of steel bars are placed equidistantly on the bending table 2. Then, multiple steel bars are inserted between multiple positioning elastic bands 3 to position them separately. Next, two electric cylinders 11 are started simultaneously to make the bending roller 1 bend the multiple steel bars at the same time. After bending is completed, electric cylinder 15 is started to push the pusher 16 and pusher plate 4 to push the multiple steel bars at the same time. After the multiple steel bars have moved to the appropriate feeding height, multiple clamps 18 are pulled out from multiple slots to release the multiple positioning elastic bands 3 from their limiting clamping of the multiple steel bars.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending device for testing the strength of reinforcing bars, comprising a bending roller (1), characterized in that, Also includes: A bending table (2) is provided, wherein the bending roller (1) is mounted on the upper side of the bending table (2) by means of a drive assembly, and the bending table (2) is provided with a bending opening; Positioning elastic band (3), wherein multiple positioning elastic bands (3) are provided, and multiple positioning elastic bands (3) are symmetrically slidably disposed on both sides of the bending table (2), and multiple positioning elastic bands (3) located on the same side are equidistantly installed on the top of the bending table (2); A setting component is installed between each of the positioning elastic bands (3) and the bending table (2); The push plate (4) is mounted on the lower side of the bend through a push seat, and the push plate (4) has multiple push slots at equal intervals.

2. The bending device for testing the strength of reinforcing bars according to claim 1, characterized in that, The tuning component includes: A tuning plate (5) is movably installed on the top of the bending table (2), and the bending table (2) has a tuning port for the tuning plate (5) to slide. Two adjustment rollers (6) are provided, and the two adjustment rollers (6) are symmetrically connected to both sides of the adjustment plate (5). Two adjustment grooves are provided at the adjustment port for the adjustment rollers (6) to slide. Two tuning cylinders (7) are provided, and the two tuning cylinders (7) are symmetrically connected to the tuning plate (5); The adjustment rod (8) is configured as two, and the two adjustment rods (8) are respectively slidably installed on the two adjustment cylinders (7), and the positioning elastic band (3) is detachably connected to one of the adjustment rods (8); A tuning spring (9) is fixedly connected between each tuning rod (8) and the inner wall of the adjacent tuning cylinder (7).

3. A bending device for testing the strength of reinforcing bars according to claim 2, characterized in that, The driving component includes: A bracket (10) is fixedly connected to the top of the bending table (2); Electric cylinder one (11), two electric cylinders one (11) are configured, and the two electric cylinders one (11) are symmetrically installed on the bracket (10); The drive frame (12) is configured as two, and the two drive frames (12) are respectively fixedly connected to the output ends of the two electric cylinders (11), and the drive frame (12) is detachably connected to the bending roller (1); Two connecting screws (13) are provided, and the two connecting screws (13) are respectively threaded between the bending roller (1) and the two drive frames (12).

4. A bending device for testing the strength of reinforcing bars according to claim 3, characterized in that, The drive seat includes: A base plate (14) is installed directly below the bend; Electric cylinder two (15), which is installed on the top of the base plate (14); The pusher (16) is fixedly connected between the output end of the electric cylinder (15) and the pusher plate (4).

5. A bending device for testing the strength of reinforcing bars according to claim 4, characterized in that, The bottom ends of the two sides of the positioning elastic band (3) are respectively fixedly connected to a drive frame (17) and a card holder (18). The drive frame (17) is fixedly connected to the adjacent adjustment rod (8), and the other adjustment rod (8) is provided with a slot that matches the card holder (18).

6. A bending device for testing the strength of reinforcing bars according to claim 5, characterized in that, The bending roller (1) is installed vertically above the bending opening, and an elastic pad (19) is fixedly connected to the bending opening.

7. A bending device for testing the strength of reinforcing bars according to claim 6, characterized in that, Each of the tuning rods (8) is connected to a buffer rod (20), and each of the tuning cylinders (7) has a buffer groove on its inner sidewall for the buffer rod (20) to slide.

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