Reinforcing steel bar bending test device

Abstract

The utility model relates to a reinforcing steel bar bending test device which comprises a base and a bending test table, a material bearing table is arranged on the base, clamping pieces are oppositely arranged on the material bearing table, the material bearing table is used for placing reinforcing steel bars, the clamping pieces are used for fixing the reinforcing steel bars, and the bending test table is used for applying pressure to the reinforcing steel bars; the clamping piece comprises a support arranged on the discharging base, the support is provided with a supporting base located on the lower portion and a pressing plate arranged above the support in a sliding mode, the support is in threaded connection with a lead screw, one end of the lead screw is rotationally connected with the pressing plate, the supporting base and the pressing plate define a clamping channel, and the clamping channel is communicated with the supporting base. Through cooperative use of the sliding rail platform, the driving piece and the clamping piece, operations such as placing, clamping and position adjusting of the reinforcing steel bars can be completed only through simple rotating and pushing actions, and the operation difficulty and the labor intensity are reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of steel bar detection, and in particular relates to a steel bar bending test device. BACKGROUND

[0002] In the field of construction engineering and material science, steel bars are important structural materials, and the quality thereof is directly related to the safety and durability of buildings. Therefore, strict quality detection of steel bars is one of the key steps to ensure engineering quality. Bending test is an important link in the quality detection of steel bars, and the performance of the bent steel bar is evaluated to determine whether it meets the design requirements by simulating the stress condition in actual use.

[0003] For example, Chinese Patent CN215467716U discloses a steel bar bending test device, which realizes the limiting of steel bars of different sizes through a limiting structure, including a round rod, a fixed block, a sliding plate, a gear, a rack and other components. The height of the fixed block is adjusted to adapt to steel bars of different sizes by moving the rack to drive the gear to rotate. In addition, the device is also provided with an auxiliary structure, including a limiting column, a long plate, a top plate, a round bar, a pressing rod and a spring, etc., which is used to limit the movement of the steel bar after bending, facilitating placement and detection. The device improves the test efficiency and accuracy.

[0004] Although the steel bar bending test device can complete the bending test task to some extent, in actual application, the material receiving table of the bending test device is designed to be relatively fixed and cannot be flexibly adjusted according to the length and size of the steel bar. This leads to the need to frequently replace or adjust the material receiving table when testing steel bars of different sizes, which not only is cumbersome to operate, but also reduces the test efficiency.

[0005] Secondly, the clamping piece can usually only adapt to steel bars of a specific size. When the diameter or shape of the steel bar changes, the clamping piece may not be able to effectively clamp the steel bar, resulting in slipping or unstable clamping during the test. This not only affects the accuracy of the test results, but also may cause damage to the test device.

[0006] In view of the above problems, a steel bar bending test device is now designed. INNOVATION CONTENT

[0007] The embodiment of the application provides a steel bar bending test device to solve the problem that the material receiving table of the bending test device in the related art is designed to be relatively fixed and cannot be flexibly adjusted according to the length and size of the steel bar.

[0008] In a first aspect, a steel bar bending test device is provided, comprising:

[0009] The base is provided with a material receiving table, the material receiving table is provided with clamping pieces opposite to each other, the material receiving table is used for placing steel bars, and the clamping pieces are used for fixing the steel bars; and the bending test table is used for applying pressure to the steel bars.

[0010] The material receiving table comprises a sliding rail platform, two material placing seats are slidingly arranged on the sliding rail platform, and a driving piece is arranged on the sliding rail platform and used for driving the two material placing seats to move close to or away from each other.

[0011] The clamping piece comprises a support arranged on the material placing seat, a support seat arranged below the support, and a pressing plate slidingly arranged above the support, a screw rod is threadedly connected to the support, one end of the screw rod is rotationally connected to the pressing plate, and the support seat and the pressing plate form a clamping channel.

[0012] In some embodiments, the sliding rail platform comprises a mounting frame arranged on the base, and two sliding rails are arranged opposite to each other on the mounting frame.

[0013] In some embodiments, the driving piece comprises a bidirectional threaded rod rotationally arranged on the mounting frame, two transmission blocks are threadedly connected to the bidirectional threaded rod, and one end of the bidirectional threaded rod extends to the outside of the mounting frame.

[0014] The material placing seat is slidingly arranged on the two sliding rails, the top end of the transmission block is connected to the material placing seat, and one end of the bidirectional threaded rod extending to the outside of the mounting frame is provided with a hand wheel.

[0015] In some embodiments, the support comprises a support table and an n-shaped frame, a groove is arranged on the support table, one end of the n-shaped frame is hingedly connected to the support table, and the other end of the n-shaped frame abuts against the support table.

[0016] A clamping rod is hingedly connected to the end of the n-shaped frame abutting against the support table, a clamping block is arranged on the support table, the clamping rod and the clamping block are clamped and matched, and the end of the n-shaped frame abutting against the support table is fixed.

[0017] In some embodiments, the support seat comprises two bottom plates arranged on the groove, the two bottom plates are connected by bolts, and a V-shaped groove is arranged on the top of the bottom plate.

[0018] In some embodiments, the pressing plate comprises a fixed seat and a pressing block connected to each other, the fixed seat is slidingly arranged on the inside of the n-shaped frame, and the bottom end of the screw rod is rotationally connected to the fixed seat.

[0019] The pressing block is located at the middle position above the two bottom plates, and a V-shaped groove is also arranged on the bottom of the pressing block.

[0020] The embodiment of the application provides a reinforcing steel bar bending test device, through the design of the sliding rail platform and the driving element, the distance between two discharging seats of the device can be flexibly adjusted, so that the device is suitable for reinforcing steel bars with different lengths. Meanwhile, through the adjustment of the rotation angle of the lead screw, the clamping of reinforcing steel bars with different diameters can be realized, so that the adaptability and universality of the device are improved.

[0021] The sliding structure of the clamping element adopts the lead screw transmission and the pressing plate, so that the reinforcing steel bar can be stably clamped during the test. The design not only improves the accuracy of the test, but also avoids the test failure or device damage caused by unstable clamping.

[0022] The device has reasonable structural design and simple and easy operation, and the placement, clamping and position adjustment of the reinforcing steel bar can be completed through simple rotation and pushing actions, so that the operation difficulty and labor intensity are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The three-dimensional structure schematic diagram provided by the embodiment of the application is provided.

[0025] Figure 2 The three-dimensional structure schematic diagram provided by the embodiment of the application is provided. Figure 1 ;

[0026] Figure 3 The three-dimensional structure schematic diagram provided by the embodiment of the application is provided. Figure 2 ;

[0027] Figure 4 The three-dimensional structure schematic diagram provided by the embodiment of the application is provided. Figure 1 ;

[0028] Figure 2 The three-dimensional structure schematic diagram provided by the embodiment of the application is provided. Figures 1-3 .

[0029] In the figure: 1, base; 2, bending test bench; 3, material receiving table; 31, sliding rail platform; 32, material placing seat; 33, driving part; 331, bidirectional threaded rod; 332, transmission block; 333, hand wheel; 4, clamping part; 41, support; 411, support table; 412, n-shaped frame; 413, clamping rod; 414, clamping block; 42, supporting seat; 421, bottom plate; 422, V-shaped groove; 43, pressing plate; 431, fixing seat; 432, pressing block; 44, lead screw; 5, clamping channel. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0031] The embodiments of the present application provide a steel bar bending test device, which can solve the problem that the material receiving table of the bending test device in the related art is designed to be relatively fixed and cannot be flexibly adjusted according to the length and size of the steel bar.

[0032] Please refer to Figure 3 A steel bar bending test device includes a base 1 and a bending test bench 2, the base 1 is provided with a material receiving table 3, the material receiving table 3 is provided with a clamping part 4 in opposition, the material receiving table 3 is used for placing a steel bar, the clamping part 4 is used for fixing the steel bar, and the bending test bench 2 is used for applying pressure to the steel bar.

[0033] The material receiving table 3 includes a sliding rail platform 31, two material placing seats 32 are slidingly arranged on the sliding rail platform 31, and a driving part 33 is arranged on the sliding rail platform 31, the driving part 33 is used for driving the two material placing seats 32 to move close to or away from each other.

[0034] The clamping part 4 includes a support 41 arranged on the material placing seat 32, a supporting seat 42 located below is arranged on the support 41, and a pressing plate 43 is slidingly arranged above the support 41, a lead screw 44 is threadedly connected to the support 41, one end of the lead screw 44 is rotationally connected to the pressing plate 43, and the supporting seat 42 and the pressing plate 43 enclose to form a clamping channel 5.

[0035] In actual operation, the two material placing seats 32 are driven by the driving part 33 to move close to or away from each other, the steel bar to be tested is placed on the material placing seat 32 of the material receiving table 3 after the two material placing seats 32 are adjusted to appropriate positions, and it is ensured that the steel bar can be stably placed on the material receiving table 3.

[0036] Next, by rotating the screw 44, the compression plate 43 is driven to slide on the bracket 41. As the compression plate 43 moves downward, it forms a clamping channel 5 with the support base 42, thereby clamping the rebar. Because the screw 44 is threadedly connected to the bracket 41, the height of the compression plate 43 can be adjusted by precisely controlling the screw's rotation angle, thereby clamping rebars of different diameters.

[0037] Finally, the bending test bench 2 is activated to apply pressure to the rebar. Under this pressure, the rebar bends. By monitoring the deformation of the rebar during the bending process or recording relevant data using instruments, the quality of the rebar can be assessed.

[0038] Through the design of the slide platform 31 and the drive member 33, the device can flexibly adjust the distance between the two unloading seats 32 to accommodate steel bars of different lengths. At the same time, by adjusting the rotation angle of the screw rod 44, it can clamp steel bars of different diameters, improving the adaptability and versatility of the device.

[0039] The design of the clamping member 4 uses a screw drive and a sliding structure of the pressure plate 43 to ensure that the steel bar is stably clamped during the test. This design not only improves the accuracy of the test, but also avoids test failure or device damage caused by unstable clamping.

[0040] The device has a reasonable structural design and is easy to operate. Operations such as placement, clamping and position adjustment of steel bars can be completed through simple rotation and pushing actions, which reduces the operating difficulty and labor intensity.

[0041] Specifically, in this embodiment, the slide rail platform 31 includes a mounting frame provided on the base 1 , and two slide rails are provided on the mounting frame in an opposite direction.

[0042] The two slide rails provide a stable sliding track for the unloading seat 32, ensuring the stability and accuracy of the unloading seat 32 during the movement.

[0043] Specifically, if Figure 4 As shown, the driving member 33 includes a bidirectional threaded rod 331 rotatably arranged on the mounting frame, and two transmission blocks 332 are threadedly connected to the bidirectional threaded rod 331. One end of the bidirectional threaded rod 331 extends to the outside of the mounting frame; the bidirectional threaded rod 331 is located between the two slide rails.

[0044] The material discharging seat 32 is slidably arranged on two slide rails, the top end of the transmission block 332 is connected to the material discharging seat 32, and the end of the bidirectional threaded rod 331 extending to the outside of the mounting frame is provided with a hand wheel 333.

[0045] The driving member 33 adopts a design of a bidirectional threaded rod 331 which is rotationally arranged on the mounting frame and located between the two slide rails. Two transmission blocks 332 are threadedly connected to the bidirectional threaded rod 331, and can move along the threaded direction with the rotation of the bidirectional threaded rod. Due to the characteristics of the bidirectional threaded rod, when one end thereof is rotated, the two transmission blocks 332 will move in opposite directions, respectively, or when the rotation direction is changed, they will move in the same direction.

[0046] The discharging seats 32 are slidingly arranged on the two slide rails and connected to the top ends of the transmission blocks 332. Therefore, when the bidirectional threaded rod 331 is rotated, the transmission blocks 332 will drive the discharging seats 32 to slide on the slide rails, so as to adjust the distance between the two discharging seats 32.

[0047] In order to facilitate operation, the bidirectional threaded rod 331 is provided with a hand wheel 333 at an end extending to the outside of the mounting frame. The rotation of the bidirectional threaded rod 331 can be driven by rotating the hand wheel 333, so as to realize accurate adjustment of the distance of the discharging seats 32.

[0048] As shown in FIG. 1, ​ In one embodiment, the support frame 41 includes a support table 411 and an n-shaped frame 412, the support table 411 is provided with a recess, and one end of the n-shaped frame 412 is hingedly connected to the support table 411 and the other end thereof is abutted against the support table 411.

[0049] The n-shaped frame 412 is hingedly connected to the end thereof abutted against the support table 411, and the support table 411 is provided with a clamping block 414, the clamping block 414 is clamped and matched with the clamping rod 413 and used for fixing the end of the n-shaped frame 412 abutted against the support table 411.

[0050] The support table 411 is a stable base, and the recess is not only convenient in space, but also can be used for accommodating or fixing other components.

[0051] One end of the n-shaped frame 412 is connected to the support table 411 in a hinged manner, so that the n-shaped frame 412 can rotate at a certain angle relative to the support table 411. The other end of the n-shaped frame 412 is designed to abut against the support table 411, thereby forming a stable support structure.

[0052] To further enhance the stability and flexibility of the support 41, a clamping rod 413 is hinged on the n-shaped frame 412. Meanwhile, a clamping block 414 is provided on the end of the support platform 411 hinged with the n-shaped frame 412. A clamping mechanism is designed between the clamping block 414 and the clamping rod 413. When the n-shaped frame 412 is rotated to the desired position, the clamping rod 413 can be clamped into the clamping block 414, thereby fixing the end of the n-shaped frame 412 abutting with the support platform 411, ensuring the overall stability of the support 41.

[0053] In use, to facilitate the clamping and fixing of longer steel bars, the n-shaped frame 412 is rotated, the steel bar is placed in the clamping channel 5, and the n-shaped frame 412 is again rotated to abut the other end with the support platform 411. Finally, the clamping rod 413 can be clamped into the clamping block 414 to achieve the fixation of the n-shaped frame 412.

[0054] The adjustable support 41 enables the steel bar bending test device to adapt to different test scenarios and requirements. For example, when longer steel bars need to be tested, the angle of the support 41 and the position of the clamping piece 4 can be adjusted to ensure the best clamping effect.

[0055] Specifically, the support seat 42 in the embodiment includes two bottom plates 421 arranged on the grooves, and the two bottom plates 421 are connected by bolts. V-shaped grooves 422 are formed on the top of the bottom plates 421.

[0056] The two bottom plates 421 are connected by bolts, ensuring the stability and adjustability of the structure. The bolt connection design not only provides sufficient connection strength, but also allows fine adjustment of the distance between the bottom plates 421 to adapt to steel bars of different diameters.

[0057] A V-shaped groove 422 is formed on the top of each bottom plate 421. The V-shaped groove is designed to better accommodate and fix the steel bar. Since the steel bar usually has a circular or approximately circular cross-section, the V-shaped groove can form a good fit with it, thereby increasing the stability of the steel bar during testing. In addition, the V-shaped groove can also guide the placement position of the steel bar to some extent, making it easier to accurately place the steel bar on the support seat.

[0058] Correspondingly, the pressing plate 43 in the embodiment includes a fixed seat 431 and a pressing block 432 connected with each other. The fixed seat 431 is slidably arranged on the inner side of the n-shaped frame 412, and the bottom end of the lead screw 44 is rotationally connected with the fixed seat 431. The pressing block 432 is located at the middle position above the two bottom plates 421, and a V-shaped groove 422 is also formed on the bottom of the pressing block 432.

[0059] The fixed seat 431 can slide on the inner side of the n-shaped frame 412, and can flexibly adjust the position of the pressing plate 43 according to the position and size of the steel bar, to ensure effective pressing of the steel bar.

[0060] The bottom end of the lead screw 44 is connected to the fixed seat 431 in a rotating manner. When the lead screw 44 rotates, the fixed seat 431 can move in the vertical direction without rotating with the lead screw 44. The pressing plate 43 can be driven to move up and down by rotating the lead screw 44, thereby achieving the pressing or releasing of the steel bar.

[0061] The pressing block 432 is located in the middle position above the two bottom plates 421, which ensures that the pressing block 432 can directly act on the middle part of the steel bar, providing uniform pressing force.

[0062] The bottom of the pressing block 432 is also provided with a V-shaped groove 422. This V-shaped groove corresponds to the V-shaped groove on the support seat 42, which together forms a clamping structure for the steel bar. The design of the V-shaped groove can closely fit the cross section of the steel bar, providing stable clamping force and preventing the steel bar from shaking or slipping during the test.

[0063] The bending test bench 2 in the above-mentioned steel bar bending test device in the embodiment comprises a frame body;

[0064] Air cylinder: The air cylinder is a key component that provides power. It generates pressure by compressing air or hydraulic oil, thereby driving the pressing block or other actuators to act. The selection of the air cylinder should be determined according to the test requirements, including its stroke, pressure and speed, etc.

[0065] Pressing block: The pressing block is a component in the bending test bench that directly contacts and presses the steel bar. It is usually designed to match the cross-sectional shape of the steel bar to ensure stable clamping of the steel bar during testing. The pressing block can be made of hard materials such as steel or alloy to withstand high pressure during testing.

[0066] Control system: The control system is an important part of the bending test bench, which is used to control the action of the air cylinder, monitor test data and record test results. It may include sensors, PLC programmable logic controllers, touch screens and other components to achieve automated testing and remote control.

[0067] Adjusting mechanism: The bending test bench may also include some adjusting mechanisms for adjusting the position, angle or pressure of the pressing block. These adjusting mechanisms enable the test bench to adapt to the testing requirements of steel bars of different sizes and shapes.

[0068] In addition, the partial bending test bench 2 further comprises safety protection devices: in order to ensure the safety of the operator, the bending test bench is usually also equipped with safety protection devices such as emergency stop button, protective cover, etc. These devices can quickly stop the operation of the test bench in an emergency to prevent accidents from happening; the above are all prior art, which will not be described here.

[0069] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0070] It should be noted that in the present application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the sentence "including a…" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0071] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A steel bar bending test device, characterized in that: include: A base (1) and a bending test bench (2), wherein a material receiving platform (3) is provided on the base (1), a clamping member (4) is provided on the material receiving platform (3), the material receiving platform (3) is used to place steel bars, the clamping member (4) is used to fix the steel bars, and the bending test bench (2) is used to apply pressure to the steel bars; The material receiving platform (3) includes a slide platform (31), two material discharging seats (32) are slidably provided on the slide platform (31), and a driving member (33) is provided on the slide platform (31), and the driving member (33) is used to drive the two material discharging seats (32) to move closer to or away from each other; The clamping member (4) includes a bracket (41) arranged on the discharge seat (32), a support seat (42) located below the bracket (41), and a pressing plate (43) slidably arranged above the bracket (41), a screw rod (44) is threadedly connected to the bracket (41), one end of the screw rod (44) is rotatably connected to the pressing plate (43), and the support seat (42) and the pressing plate (43) enclose a clamping channel (5).

2. A steel bar bending test device according to claim 1, characterized in that: The slide rail platform (31) comprises a mounting frame arranged on a base (1), and two slide rails are arranged opposite to each other on the mounting frame.

3. A steel bar bending test device according to claim 2, characterized in that: The driving member (33) comprises a bidirectional threaded rod (331) rotatably arranged on the mounting frame, two transmission blocks (332) are threadedly connected to the bidirectional threaded rod (331), and one end of the bidirectional threaded rod (331) extends to the outside of the mounting frame; The material discharging seat (32) is slidably arranged on two slide rails, the top end of the transmission block (332) is connected to the material discharging seat (32), and the bidirectional threaded rod (331) extends to the outside of the mounting frame and is provided with a hand wheel (333) at one end.

4. A steel bar bending test device according to claim 1, characterized in that: The bracket (41) includes a support platform (411) and an N-shaped frame (412); a groove is provided on the support platform (411); one end of the N-shaped frame (412) is hinged to the support platform (411), and the other end thereof abuts against the support platform (411); A clamping rod (413) is hingedly connected to one end of the N-shaped frame (412) abutting against the support platform (411), and a clamping block (414) is provided on the support platform (411). The clamping rod (413) is clamped and matched with the clamping block (414) and is used to fix the end of the N-shaped frame (412) abutting against the support platform (411).

5. A steel bar bending test device according to claim 4, characterized in that: The support seat (42) comprises two bottom plates (421) arranged on the groove, the two bottom plates (421) are connected by bolts, and a V-shaped groove (422) is provided on the top of the bottom plate (421).

6. A steel bar bending test device according to claim 5, characterized in that: The pressing plate (43) includes a fixing seat (431) and a pressing block (432) connected to each other, the fixing seat (431) is slidably arranged on the inner side of the N-shaped frame (412), and the bottom end of the screw rod (44) is rotatably connected to the fixing seat (431); The pressing block (432) is located in the middle position above the two bottom plates (421), and a V-shaped groove (422) is also provided at the bottom of the pressing block (432).

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