Construction steel bar detection machine

Abstract

The utility model relates to the technical field of construction equipment, in particular to a construction steel bar detection machine which comprises a base, a detection frame is arranged on the base, a tensile detection mechanism used for detecting the tensile force of a steel bar is arranged on the detection frame, a protective cover is slidably connected to the base, and the protective cover covers the tensile detection mechanism. The device has the effect of reducing potential safety hazards brought to operators by breakage of the construction steel bars.

Description

Technical Field

[0001] The present application relates to the technical field of construction equipment, and in particular to a construction steel bar detection machine. Background Art

[0002] Steel bars for reinforced concrete refer to straight bars or coiled steel used for reinforced concrete reinforcement. Their appearance is divided into two types: plain round steel bars and deformed steel bars. They are delivered in straight bars and coiled steel bars. When testing construction steel bars, a tensile testing machine is often required.

[0003] A Chinese patent with publication number CN212432764U discloses a construction steel bar detection machine, including a pressure detection machine base, detection columns are connected to both sides of the upper part of the pressure detection machine base, and a detection pressure head is arranged between the detection columns, a control panel is connected to the outside of the detection columns, and a steel bar positioning column is also connected to the outside of the detection column, a positioning barrel groove is vertically opened inside the side of the steel bar positioning column, and the positioning barrel groove is an inclined structure, a plurality of positioning barrel grooves are provided, and the heights of the positioning barrel grooves are different, and a positioning slot hole is horizontally opened inside the positioning barrel groove, and the positioning slot hole is an inverted triangle structure.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: when inspecting construction steel bars, the construction steel bars are prone to breakage, causing debris to splash, and the debris generated when there is no protective structure is prone to splashing, endangering the safety of operators. Utility Model Content

[0005] In order to reduce the potential safety hazards to operators caused by broken construction steel bars, the present application provides a construction steel bar detection machine.

[0006] The present application provides a construction steel bar detection machine that adopts the following technical solution:

[0007] A construction steel bar detection machine comprises a base, a detection frame is arranged on the base, a stretching detection mechanism for performing tensile force detection on the steel bar is arranged on the detection frame, a protective cover is slidably connected to the base, and the protective cover is arranged outside the stretching detection mechanism.

[0008] By adopting the above-mentioned technical scheme, when in use, the protective cover is arranged outside the tensile detection mechanism. When performing tensile testing, the debris generated by the broken construction steel bars is blocked in the protective cover, thereby protecting the operator. Therefore, this application can reduce the safety hazards caused by the broken construction steel bars to the operators.

[0009] Optionally, a bidirectional screw is rotatably connected to the base, and the protective cover includes a first half shell and a second half shell, the first half shell is connected to a threaded section of the bidirectional screw, and the second half shell is connected to another threaded section of the bidirectional screw, the two sections of the thread of the bidirectional screw have opposite rotation directions, and a driving member for driving the bidirectional screw to rotate is provided on the base.

[0010] By adopting the above technical solution, when in use, the bidirectional screw is driven to rotate by the driving member to realize the relative or opposite movement of the first half shell and the second half shell, so that the protective cover can be easily opened to provide a larger space to install the steel bars to be tested.

[0011] Optionally, the tensile detection mechanism includes a pressure sensor, a hydraulic cylinder and two clamping seats, a force-bearing plate is slidably connected to the detection frame, one of the clamping seats is connected to the force-bearing plate, and another clamping seat is connected to the base, and the two clamping seats are arranged opposite to each other. The hydraulic cylinder is arranged on the detection frame, and the piston rod of the hydraulic cylinder is connected to the pressure sensor, one end of the pressure sensor is connected to the force-bearing plate, and the clamping seat is provided with a clamping member for clamping the end of the steel bar.

[0012] By adopting the above technical solution, when in use, the two ends of the steel bar to be tested are respectively inserted into the upper and lower clamping seats, and the steel bar is clamped and fixed by the clamping parts. The hydraulic cylinder is started, and the piston rod of the hydraulic cylinder drives the pressure sensor to move upward, and the pressure sensor drives the force plate to move, thereby stretching the construction steel bar. The tension on the construction steel bar can be detected by the pressure sensor.

[0013] Optionally, the clamping member includes a bidirectional screw and a guide rod, the bidirectional screw is rotatably connected to the clamping seat, and clamping blocks are threadedly connected to the two sections of the rod with opposite thread rotation directions of the bidirectional screw, and V-shaped grooves are provided on the two clamping blocks, and the openings of the V-shaped grooves are arranged opposite to each other, and the guide rod passes through the two clamping blocks at the same time.

[0014] By adopting the above technical solution, when in use, the bidirectional screw is rotated, and the two clamping blocks move toward each other under the guidance of the guide rod. In the process of clamping and fixing the steel bars, the V-shaped groove can play a self-centering role for the steel bars, reducing adjustment time and operation difficulty, thereby improving detection efficiency.

[0015] Optionally, a rubber pad is provided on the side wall of the V-shaped groove.

[0016] By adopting the above technical solution, when the clamping block squeezes the steel bar to be tested, the rubber pad is pressed tightly between the steel bar and the clamping block. The rubber pad is deformed due to the squeezing, which increases the contact surface with the steel bar, increases the friction between the rubber pad and the steel bar, and improves the firmness of the steel bar clamping.

[0017] Optionally, side walls of the two clamping blocks facing away from each other are connected with a tensioning spring, and one end of the tensioning spring away from the clamping block is connected to the inner wall of the clamping seat.

[0018] By adopting the above technical solution, the tensioning spring can increase the force applied to the clamping block and improve the stability of the steel bar being clamped.

[0019] Optionally, the clamping block is connected to a limiting rod, the tensioning spring is sleeved outside the limiting rod, and the inner wall of the tensioning spring is in contact with the outer wall of the limiting rod, and one end of the limiting rod passes through the clamping seat.

[0020] By adopting the above technical solution, during the extension and retraction of the tensioning spring, the outer wall of the limit rod is always in contact with the inner wall of the tensioning spring, which guides the tensioning spring and reduces the possibility of bending of the tensioning spring during the extension and retraction process.

[0021] Optionally, a clamping plate is provided on the rubber pad, a dovetail groove is opened on the side wall of the clamping block, a dovetail block is provided on the clamping plate, the dovetail block is inserted into the dovetail groove and slidingly cooperates with the dovetail groove, and the rubber pad is connected to the clamping plate by Velcro.

[0022] By adopting the above technical solution, the setting of the Velcro makes it easy to replace the damaged rubber pad. In addition, during the replacement process, the dovetail block is slid to remove the snap-on plate from the clamping block and the rubber pad thereon is replaced, thereby alleviating the problem of limited operating space during replacement on the detection frame.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. This application sets a tensile testing mechanism and a protective cover, and sets the protective cover outside the tensile testing mechanism. When performing tensile testing, the debris generated by the fracture of the building steel bar is blocked in the protective cover, thereby protecting the operator;

[0025] 2. The present application sets a first half shell, a second half shell and a driving member, and drives the bidirectional screw to rotate through the driving member to achieve relative or opposite movement of the first half shell and the second half shell, so that the protective cover can be easily opened to provide a larger space for installing the steel bars to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of this application.

[0027] Figure 2 It is a top view of the structure of this application.

[0028] Figure 3It is a schematic diagram of the clamping seat, magnet block, and dovetail groove structure in the embodiment of the present application.

[0029] Figure 4 It is a schematic diagram of the clamping plate structure in an embodiment of the present application.

[0030] Explanation of the reference numerals in the accompanying drawings: 1. Base; 2. Detection frame; 3. Pressure sensor; 4. Hydraulic cylinder; 5. Clamping seat; 6. Force plate; 7. Stabilizing rod; 8. Bidirectional screw; 9. Guide rod; 10. Clamping block; 11. V-groove; 12. Snap-in plate; 13. Dovetail groove; 14. Dovetail block; 15. Iron block; 16. Magnet; 17. Velcro; 18. Rubber pad; 19. First motor; 20. Bidirectional screw; 21. First half shell; 22. Second half shell; 23. Tightening spring; 24. Limit rod. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a construction steel bar detection machine. Figure 1 A construction steel bar detection machine includes a base 1, a detection frame 2 is fixedly connected to the base 1, the detection frame 2 is arranged on the base 1 in a door shape, and a tensile detection mechanism for performing tensile force detection on the steel bar to be detected is arranged on the detection frame 2.

[0033] Reference Figure 1 and Figure 2 The tensile testing mechanism includes a pressure sensor 3, a hydraulic cylinder 4 and two clamping seats 5 for clamping the ends of the steel bars. The hydraulic cylinder 4 is vertically installed on the top surface of the testing frame 2. The piston rod of the hydraulic rod passes through the testing frame 2 and is connected to the pressure sensor 3. A force plate 6 is installed on the side of the pressure sensor 3 facing away from the hydraulic rod. The force plate 6 is slidably set on the testing frame 2, and the hydraulic cylinder 4 can drive the force plate 6 to move up and down.

[0034] Reference Figure 1 In order to ensure that the force-bearing plate 6 remains stable during the up and down movement, a plurality of stabilizing rods 7 are vertically fixedly connected to the detection frame 2, one end of the plurality of stabilizing rods 7 is fixedly connected to the base 1, and the plurality of stabilizing rods 7 vertically penetrate the force-bearing plate 6 and slide with the force-bearing plate 6. During the movement of the force-bearing plate 6, the stabilizing rods 7 can limit the force-bearing plate 6, thereby reducing the possibility of sliding of the force-bearing plate 6.

[0035] Reference Figure 1 A clamping seat 5 is fixedly connected to the side wall of the force-bearing plate 6 facing away from the pressure sensor, and another clamping seat 5 is fixedly connected to the base 1. The two clamping seats 5 are arranged opposite to each other, and a clamping piece for clamping the end of the steel bar is provided on the clamping seat 5.

[0036] Reference Figure 2 and Figure 3 The clamping part includes a bidirectional screw 8 and a guide rod 9. One end of the bidirectional screw 8 is rotatably connected to the clamping seat 5. The two sections of the bidirectional screw 8 that rotate in opposite directions are both threadedly connected with clamping blocks 10. The guide rod 9 is fixedly connected to the clamping seat 5 and is arranged parallel to the bidirectional screw 8 at intervals.

[0037] Reference Figure 2 and Figure 3 On the same clamping block 10, both clamping blocks 10 are provided with a V-shaped groove 11, which is connected to the upper and lower ends of the clamping block 10. The openings of the V-shaped groove 11 are arranged opposite to each other, and the guide rod 9 on the same clamping seat 5 passes through the two clamping blocks 10 at the same time.

[0038] Reference Figure 2 , Figure 3 and Figure 4 In order to improve the clamping force of the two clamping blocks 10 on the steel bars to be tested, a V-shaped clamping plate 12 is detachably connected to the side wall of the V-shaped groove 11, a dovetail groove 13 is opened on the side wall of the clamping block 10, and a dovetail block 14 is fixedly connected to the side wall of the clamping plate 12. The dovetail block 14 is inserted into the dovetail groove 13 and slidably cooperates with the dovetail groove 13. The length of the dovetail groove 13 is perpendicular to the tensile direction of the steel bar detection. An iron block 15 is fixedly connected to the end face of the dovetail block 14, and a magnet 16 is embedded on the side wall of the dovetail groove 13. The magnet 16 attracts the iron block 15, which can increase the connection firmness between the dovetail block 14 and the dovetail groove 13.

[0039] Reference Figure 2 , Figure 3 and Figure 4 The clamping plate 12 is detachably connected to a rubber pad 18 via a Velcro 17. The rubber pad 18 can be deformed after being squeezed and can be inserted into the groove on the surface of the steel bar, thereby increasing the contact area with the steel bar, so that the clamping block 10 can tighten the steel bar.

[0040] Reference Figure 1 A first motor 19 is arranged on the base 1, and a bidirectional screw 20 is coaxially connected to the output shaft of the first motor 19. A protective cover is threadedly connected to the bidirectional screw 20, and the protective cover is arranged outside the detection frame 2. The stretching detection mechanism is located in the protective cover. The protective cover includes a first half shell 21 and a second half shell 22. The first half shell 21 is threadedly connected to a threaded section of the bidirectional screw 20, and the second half shell 22 is threadedly connected to another threaded section of the bidirectional screw 20. The thread rotation direction on the threaded section threaded with the first half shell 21 is opposite to the thread rotation direction on the threaded section threaded with the second half shell 22. The bottom walls of the first half shell 21 and the second half shell 22 are both tightly attached to the base 1 and slidably matched.

[0041] Reference Figure 1 and Figure 2The two clamping blocks 10 on the same clamping seat 5 are connected to the side walls that are away from each other, and the two clamping blocks 10 in this embodiment are connected to two clamping springs 23. The end of the clamping spring 23 away from the clamping block 10 is connected to the inner wall of the clamping seat 5. In order to reduce the possibility of bending of the clamping spring 23 during the extension and retraction process, a limiting rod 24 corresponding to the limiting spring 23 is fixedly connected to the clamping block 10. The limiting spring 23 is sleeved on the outside of the limiting rod 24, and the inner wall of the limiting spring 23 is in contact with the outer wall of the limiting rod 24, and one end of the limiting rod 24 passes through the clamping seat 5.

[0042] The implementation principle of a construction steel bar detection machine in the embodiment of the present application is as follows: when in use, one end of the steel bar to be tested is inserted into the clamping seat 5 on the base 1, and the bidirectional screw 8 is rotated. Under the guidance of the guide rod 9, the two clamping blocks 10 move toward each other. In the process of clamping and fixing the steel bar, the V-shaped groove 11 can play a self-centering role on the steel bar, reducing the adjustment time and operation difficulty, thereby improving the detection efficiency. Then, the hydraulic rod line is initially moved downward so that the top of the steel bar is inserted into the clamping seat 5 on the force-bearing plate 6, and the bidirectional screw 8 located on the upper clamping seat 5 is rotated to clamp the top of the steel bar, thereby achieving the tightening of both ends of the steel bar. The first motor 19 is started to drive the bidirectional screw 20 to rotate, so that the first half shell 21 and the second half shell 22 move relative to each other to form a protective cover, and the protective cover is arranged outside the tensile detection mechanism. When performing a tensile test, the debris generated by the fracture of the construction steel bar is blocked in the protective cover, thereby protecting the operator.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction steel bar detection machine, comprising a base (1), characterized in that: The base (1) is provided with a detection frame (2), and the detection frame (2) is provided with a tensile testing mechanism for testing the tensile force of the steel bar. The base (1) is slidably connected with a protective cover, and the protective cover is arranged outside the tensile testing mechanism. The base (1) is rotatably connected with a bidirectional screw rod (20), and the protective cover comprises a first half shell (21) and a second half shell (22). The first half shell (21) is connected to a threaded section of the bidirectional screw rod (20), and the second half shell (22) is connected to another threaded section of the bidirectional screw rod (20). The two threads of the bidirectional screw rod (20) have opposite rotation directions. The base (1) is provided with a driving member for driving the bidirectional screw rod (20) to rotate.

2. A construction steel bar detection machine according to claim 1, characterized in that: The tensile testing mechanism comprises a pressure sensor (3), a hydraulic cylinder (4) and two clamping seats (5); a force-bearing plate (6) is slidably connected to the testing frame (2); one of the clamping seats (5) is connected to the force-bearing plate (6); another of the clamping seats (5) is connected to the base (1); the two clamping seats (5) are arranged opposite to each other; the hydraulic cylinder (4) is arranged on the testing frame (2); a piston rod of the hydraulic cylinder (4) is connected to the pressure sensor (3); one end of the pressure sensor is connected to the force-bearing plate (6); and a clamping piece for clamping the end of a steel bar is provided on the clamping seat (5).

3. A construction steel bar detection machine according to claim 2, characterized in that: The clamping member comprises a bidirectional screw (8) and a guide rod (9); the bidirectional screw (8) is rotatably connected to the clamping seat (5); two sections of the bidirectional screw (8) with opposite thread rotation directions are both threadedly connected with clamping blocks (10); the two clamping blocks (10) are both provided with V-shaped grooves (11); the openings of the V-shaped grooves (11) are arranged opposite to each other; and the guide rod (9) simultaneously passes through the two clamping blocks (10).

4. A construction steel bar detection machine according to claim 3, characterized in that: A rubber pad (18) is provided on the side wall of the V-shaped groove (11).

5. A construction steel bar detection machine according to claim 3, characterized in that: A tensioning spring (23) is connected to the side walls of the two clamping blocks (10) that are away from each other, and one end of the tensioning spring (23) away from the clamping block (10) is connected to the inner wall of the clamping seat (5).

6. A construction steel bar detection machine according to claim 5, characterized in that: The clamping block (10) is connected to a limiting rod (24), the tensioning spring (23) is sleeved outside the limiting rod (24), and the inner wall of the tensioning spring (23) is in contact with the outer wall of the limiting rod (24), and one end of the limiting rod (24) passes through the clamping seat (5).

7. A construction steel bar detection machine according to claim 4, characterized in that: The rubber pad (18) is provided with a clamping plate (12), a dovetail groove (13) is provided on the side wall of the clamping block (10), a dovetail block (14) is provided on the clamping plate (12), the dovetail block (14) is inserted into the dovetail groove (13) and slidably cooperates with the dovetail groove (13), and the rubber pad (18) is connected to the clamping plate (12) via a Velcro (17).

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