A steel bar performance testing device

Abstract

The present invention relates to the technical field of steel bar detection, and in particular to a steel bar performance detection device, comprising a base, a first fixed box, a plurality of clamping components, a mounting seat, a plurality of extrusion hydraulic rods and a plurality of extrusion heads, wherein the base provides support for the entire device, the first fixed box is used to install a plurality of clamping components, the plurality of clamping components are arranged in pairs, and are used to clamp steel bars, the steel bars are inserted from the through holes of the first fixed box, and are clamped and fixed by the clamping components after insertion, simulating the situation where one end is fixed; the mounting seat is used to install a plurality of extrusion hydraulic rods, an extrusion head is fixed at the output end of the extrusion hydraulic rod, and the steel bars are extruded and bent by the extrusion head, and the plurality of extrusion hydraulic rods can extrude the steel bars from different positions thereof, and can also extrude them simultaneously, simulating the stress conditions of various positions of the steel bars after being squeezed, thereby solving the problem that the existing detection device cannot simulate the specific stress conditions of the steel bars, resulting in the measurement data being actually inapplicable.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar detection, and in particular to a steel bar performance detection device. Background Art

[0002] Steel bars are widely used in civil engineering fields such as construction, bridge construction, and road paving. In the construction field, steel bars are one of the key materials that constitute the skeleton of modern buildings. They are combined with concrete to form reinforced concrete. This composite material can withstand large loads and improve the overall stability and durability of the building. The types, specifications, and layouts of steel bars vary according to the needs of the architectural design. In order to ensure that the strength of the steel bars meets the standards, precise measurements are required.

[0003] The existing invention patent discloses a steel bar bending performance detection device and detection method (CN116499856A), which includes two groups of support components for clamping steel bars, and pressure devices are arranged on the upper and lower sides between the two groups of support components. The two groups of pressure devices are respectively used to press the steel bars toward the upper and lower sides to achieve bending; the steel bars can be stably clamped, the stability of the steel bar bending detection process can be improved, and the steel bars can be effectively and reliably bent.

[0004] However, this detection device fixes both sides of the steel bar and only squeezes the middle position. When the steel bar is used in construction, one end is usually cast and fixed or buried in the soil, while the other end is stressed. The stressed end is not evenly stressed, and the existing device cannot simulate this situation, resulting in the measurement data being inapplicable in practice. Summary of the invention

[0005] The purpose of the present invention is to provide a steel bar performance detection device, aiming to solve the problem that the existing detection device cannot simulate the specific stress conditions of the steel bar, resulting in the measurement data being actually inapplicable.

[0006] To achieve the above-mentioned purpose, the present invention provides a steel bar performance detection device, including a base, a first fixed box, a plurality of clamping assemblies, a mounting seat, a plurality of extrusion hydraulic rods and a plurality of extrusion heads, wherein the first fixed box has a through hole; the first fixed box is fixed on the base; a plurality of the clamping assemblies are symmetrically arranged in the first fixed box for clamping and fixing the steel bars; the mounting seat is fixed on one side of the base; a plurality of the extrusion hydraulic rods are fixed on the mounting seat; and a plurality of the extrusion heads are fixed on the output ends of the plurality of the extrusion hydraulic rods.

[0007] Wherein, the clamping assembly comprises a clamping hydraulic rod and a fixing plate, the clamping hydraulic rod is fixed in the first fixing box; the fixing plate is fixed at the output end of the clamping hydraulic rod.

[0008] Among them, the clamping assembly also includes two sliding blocks, two telescopic rods and two springs, the fixed plate has a sliding groove; the sliding block has an inclined surface; the two telescopic rods are fixed at both ends of the sliding groove of the fixed plate; the two sliding blocks are respectively fixedly connected to the output ends of the two telescopic rods, and are slidably connected to the fixed plate; the two springs are arranged on the outside of the two telescopic rods.

[0009] Wherein, the clamping assembly further includes an infrared sensor and a receiver, wherein the infrared sensor is fixed above the fixing plate; and the receiver is fixed in the first fixing box.

[0010] Wherein, the steel bar performance detection device also includes a plurality of display screens, and the plurality of display screens are electrically connected to the plurality of extrusion hydraulic rods and the plurality of clamping hydraulic rods respectively.

[0011] Wherein, the steel bar performance detection device further comprises a sliding ruler and a pulling block, wherein the sliding ruler is slidably arranged in the first fixed box; and the pulling block is fixed on one side of the sliding ruler.

[0012] Wherein, the steel bar performance detection device also includes a laser transmitter and a camera, wherein the laser transmitter is fixed on a side of the first fixing box close to the through hole; and the camera is arranged above the laser camera.

[0013] Wherein, the steel bar performance detection device also includes a recorder, and the recorder is fixed above the mounting seat.

[0014] The present invention provides a steel bar performance detection device, wherein the base provides support for the entire device, the first fixing box is used to install a plurality of the clamping assemblies, and the plurality of the clamping assemblies are arranged in pairs for clamping steel bars. The steel bars are inserted from the through holes of the first fixing box, and are clamped and fixed by the clamping assemblies after insertion, simulating the situation where one end is fixed; the mounting seat is used to install a plurality of the extrusion hydraulic rods, and the output end of the extrusion hydraulic rod is fixed with the extrusion head, and the steel bars are extruded and bent by the extrusion head. The plurality of the extrusion hydraulic rods can extrude the steel bars from different positions and can also extrude them at the same time, simulating the stress conditions of various positions of the steel bars after being squeezed, and measuring accurate data; the present invention clamps one end of the steel bar and squeezes it from multiple points at the other end, accurately simulating the stress conditions of the steel bars, thereby solving the problem that the existing detection device cannot simulate the specific stress conditions of the steel bars, resulting in the measurement data being actually inapplicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a structural schematic diagram of a steel bar performance detection device according to the first embodiment of the present invention.

[0017] Figure 2 It is a cross-sectional view of a steel bar performance detection device according to the first embodiment of the present invention.

[0018] Figure 3 A steel bar performance detection device according to the first embodiment of the present invention Figure 2 A partial enlargement of detail A.

[0019] Figure 4 It is a structural schematic diagram of a steel bar performance detection device according to the second embodiment of the present invention.

[0020] Figure 5 It is a structural schematic diagram of a steel bar performance detection device according to the third embodiment of the present invention.

[0021] Figure 6 It is a top view of a steel bar performance detection device according to the third embodiment of the present invention.

[0022] 101-base, 102-first fixed box, 103-mounting seat, 104-extrusion hydraulic rod, 105-extrusion head, 106-through hole, 107-clamping hydraulic rod, 108-fixed plate, 109-sliding block, 110-telescopic rod, 111-spring, 112-slide groove, 113-inclined surface, 114-infrared sensor, 115-receiver, 116-display screen, 117-sliding ruler, 118-pull block, 201-laser transmitter, 202-camera, 203-recorder, 301-second fixed box, 302-support seat, 303-motor, 304-screw, 305-limit rod, 306-distance ruler, 307-pointer. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] For the first embodiment, please refer to Figure 1~Figure 3 , Figure 1 It is a structural schematic diagram of a steel bar performance detection device according to a first embodiment of the present invention; Figure 2 is a cross-sectional view of a steel bar performance detection device according to a first embodiment of the present invention; Figure 3 A steel bar performance detection device according to the first embodiment of the present invention Figure 2 A partial enlargement of detail A.

[0025] The present invention provides a steel bar performance detection device, which includes a base 101, a first fixed box 102, a plurality of clamping components, a mounting seat 103, a plurality of extrusion hydraulic rods 104, a plurality of extrusion heads 105, a plurality of display screens 116, a sliding ruler 117 and a pulling block 118. The clamping components include a clamping hydraulic rod 107, a fixed plate 108, two sliding blocks 109, two telescopic rods 110, two springs 111, an infrared sensor 114 and a receiver 115. The first fixed box 102 has a through hole 106; the fixed plate 108 has a slide groove 112; and the sliding block 109 has an inclined surface 113.

[0026] The aforementioned scheme solves the problem that the existing detection device cannot simulate the specific stress conditions of the steel bars, resulting in the measurement data being actually inapplicable. It can be understood that the aforementioned scheme can clamp one end of the steel bar and squeeze it from multiple points on the other end to accurately simulate and test its stress conditions.

[0027] In this embodiment, the first fixing box 102 is fixed on the base 101; the plurality of clamping assemblies are symmetrically arranged in the first fixing box 102 for clamping and fixing the steel bars; the mounting seat 103 is fixed on one side of the base 101; the plurality of extrusion hydraulic rods 104 are fixed on the mounting seat 103; the plurality of extrusion heads 105 are fixed on the output ends of the plurality of extrusion hydraulic rods 104; the base 101 provides support for the entire device, the first fixing box 102 is used to install the plurality of clamping assemblies, the plurality of clamping assemblies are arranged in pairs for clamping the steel bars, the steel bars are inserted from the through holes 106 of the first fixing box 102, and after insertion, the steel bars are inserted through the through holes 106 of the first fixing box 102. The clamping assembly is clamped and fixed to simulate the situation where one end is fixed; the mounting seat 103 is used to install multiple extrusion hydraulic rods 104, and the extrusion head 105 is fixed to the output end of the extrusion hydraulic rod 104. The extrusion head 105 is used to extrude and bend the steel bars. Multiple extrusion hydraulic rods 104 can extrude the steel bars from different positions, and can also extrude them at the same time, simulating the stress conditions of various positions of the steel bars after being squeezed, and measuring accurate data; the present invention clamps one end of the steel bar and squeezes it from multiple points at the other end to accurately simulate and test its stress conditions, thereby solving the problem that the existing detection device cannot simulate the specific stress conditions of the steel bar, resulting in the measurement data being actually inapplicable.

[0028] Among them, the clamping hydraulic rod 107 is fixed in the first fixing box 102; the fixing plate 108 is fixed at the output end of the clamping hydraulic rod 107; the clamping hydraulic rod 107 controls the extension of the fixing plate 108, and the two symmetrical fixing plates 108 play the effect of clamping steel bars after being extended.

[0029] Secondly, the two telescopic rods 110 are fixed at both ends of the slide groove 112 of the fixed plate 108; the two sliding blocks 109 are fixedly connected to the output ends of the two telescopic rods 110 respectively, and are slidably connected to the fixed plate 108; the two springs 111 are arranged on the outside of the two telescopic rods 110; the two telescopic rods 110 are used to limit the springs 111, and the springs 111 are used to pop out the sliding blocks 109, and the inclined surfaces 113 of the sliding blocks 109 are used to limit the steel bars. When the two fixed plates 108 extend out to squeeze the steel bars, the steel bars squeeze the two sliding blocks 109 to both sides, and the sliding blocks 109 keep rebounding under the action of the springs 111, stably clamp the steel bars, and can limit the up and down movement of the steel bars.

[0030] Again, the infrared sensor 114 is fixed above the fixed plate 108; the receiver 115 is fixed in the first fixed box 102; the infrared sensor 114 and the receiver 115 are used in combination to limit the position of the fixed plate 108; when the unfixed end of the steel bar receives the extrusion test, the first fixed box 102 is subjected to a reaction force. At this time, the infrared sensor 114 and the receiver 115 can assist in adjusting the output of the clamping hydraulic rod 107 to keep the infrared sensor 114 and the receiver 115 corresponding. At this time, the force output by the hydraulic rod minus the normal output force when not squeezed can calculate the reaction force received by the steel bar at this position.

[0031] Then, the multiple display screens 116 are electrically connected to the multiple extrusion hydraulic rods 104 and the multiple clamping hydraulic rods 107 respectively; the display screens 116 are used to intuitively display the output power of the extrusion hydraulic rods 104 and the clamping hydraulic rods 107, and the force at each position of the steel bar can be calculated.

[0032] Finally, the sliding ruler 117 is slidably set in the first fixed box 102; the pulling block 118 is fixed on one side of the sliding ruler 117; the sliding ruler 117 can be stored in the first fixed box 102, and when it is pulled out, it can measure the length of the steel bar and determine the influence of different fixed lengths of the steel bar on the force; the pulling block 118 is used to facilitate pulling out the sliding ruler 117.

[0033] During use, the base 101 provides support for the entire device. The first fixing box 102 is used to install a plurality of the clamping assemblies. The plurality of the clamping assemblies are arranged in pairs and are used to clamp steel bars. The steel bars are inserted from the through holes 106 of the first fixing box 102. After insertion, the steel bars are clamped and fixed by the clamping assemblies to simulate the situation where one end is fixed. The mounting seat 103 is used to install a plurality of the extrusion hydraulic rods 104. The output end of the extrusion hydraulic rod 104 is fixed with the extrusion head 105. The extrusion head 105 is used to extrude and bend the steel bars. The plurality of the extrusion hydraulic rods 104 can bend the steel bars from the It can be squeezed at different positions or at the same time, so as to simulate the stress conditions of each position of the steel bar after being squeezed, and measure accurate data; the clamping hydraulic rod 107 controls the extension of the fixed plate 108, and the two symmetrical fixed plates 108 play the role of clamping the steel bar after being extended; the two telescopic rods 110 are used to limit the spring 111, and the spring 111 is used to pop out the sliding block 109, and the inclined surface 113 of the sliding block 109 is used to limit the steel bar. When the two fixed plates 108 extend to squeeze the steel bar, the steel bar squeezes the two sliding blocks 109 to both sides, and the sliding block 10 9 Under the action of the spring 111, the spring 111 maintains rebound, stably clamps the steel bar, and can limit the up and down movement of the steel bar; the infrared sensor 114 and the receiver 115 are used in conjunction with each other to limit the position of the fixing plate 108; when the unfixed end of the steel bar receives the extrusion test, the first fixing box 102 is subjected to a reaction force. At this time, when the infrared sensor 114 and the receiver 115 can assist in adjusting the output of the clamping hydraulic rod 107, the infrared sensor 114 and the receiver 115 are kept corresponding to each other. At this time, the force output by the hydraulic rod minus the normal output force when not squeezed can be The reaction force on the steel bar at this position is calculated; the display screen 116 is used to intuitively display the output power of the extrusion hydraulic rod 104 and the clamping hydraulic rod 107, and the force on each position of the steel bar can be calculated after calculation; the sliding ruler 117 can be stored in the first fixed box 102, and when it is pulled out, it can measure the length of the steel bar and determine the influence of different fixed lengths of the steel bar on the force; the present invention clamps one end of the steel bar and squeezes it from multiple points on the other end to accurately simulate and test its force condition, thereby solving the problem that the existing detection device cannot simulate the specific force condition of the steel bar, resulting in the measurement data being actually inapplicable.

[0034] For the second embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of a steel bar performance detection device according to the second embodiment of the present invention.

[0035] On the basis of the first embodiment, a steel bar performance detection device of the present invention further includes a laser transmitter 201 , a camera 202 and a recorder 203 .

[0036] The laser emitter 201 is fixed on one side of the first fixed box 102 close to the through hole 106; the camera 202 is arranged above the laser camera 202; the laser emitter 201 is used to emit a straight line of laser so that the experimenter can intuitively see the bending degree of the steel bar; the camera 202 is used to take pictures and record each test result.

[0037] The recorder 203 is fixed above the mounting base 103 ; the recorder 203 is convenient for experimenters to record at any time and read data.

[0038] For the third embodiment, please refer to Figure 5 and Figure 6 , Figure 5 is a structural schematic diagram of a steel bar performance detection device according to a third embodiment of the present invention; Figure 6 It is a top view of a steel bar performance detection device according to the third embodiment of the present invention.

[0039] On the basis of the second embodiment, a steel bar performance detection device of the present invention further includes a second fixing box 301 , a support seat 302 , a motor 303 , a screw rod 304 , a limit rod 305 , a distance measuring ruler 306 and a pointer 307 .

[0040] The second fixed box 301 is slidably arranged on the base 101; the support seat 302 is fixed on the base 101; the motor 303 is fixed on the support seat 302; the screw 304 is fixedly connected to the output end of the motor 303, and is threadedly connected to the second fixed box 301; the limit rod 305 is fixedly connected to the support seat 302, and is slidably connected to the second fixed box 301; the second fixed box 301 has the same structure as the first fixed box 102, and is also provided with a plurality of clamping assemblies for clamping steel bars, which are used to fix the steel bars, and the motor 303 is used to drive the screw 304 to rotate, and drive the second fixed box 301 to slide under the restriction of the limit rod 305; after the steel bars are respectively placed in the first fixed box 102 and the second fixed box 301 and fixed, the motor 303 is started, which can simulate the situation where the steel bars are fixed at both ends and misaligned in the middle, such as building faults, and measure the shear stress of the steel bars.

[0041] The measuring ruler 306 is fixed on the second fixed box 301; the pointer 307 is fixed on the first fixed box 102; the pointer 307 cooperates with the measuring ruler 306 to measure the misalignment distance, the maximum deformation of the steel bar, etc.

[0042] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A steel bar performance detection device, characterized in that: It comprises a base, a first fixing box, a plurality of clamping assemblies, a mounting seat, a plurality of extrusion hydraulic rods and a plurality of extrusion heads, wherein the first fixing box has a through hole; the first fixing box is fixed on the base; a plurality of the clamping assemblies are symmetrically arranged in the first fixing box for clamping and fixing steel bars; the mounting seat is fixed on one side of the base; a plurality of the extrusion hydraulic rods are fixed on the mounting seat; a plurality of the extrusion heads are fixed on the output ends of the plurality of the extrusion hydraulic rods; The clamping assembly comprises a clamping hydraulic rod and a fixing plate, wherein the clamping hydraulic rod is fixed in the first fixing box; the fixing plate is fixed at the output end of the clamping hydraulic rod; The clamping assembly further comprises two sliding blocks, two telescopic rods and two springs. The fixed plate has a slide groove; the sliding block has an inclined surface; the two telescopic rods are fixed at both ends of the slide groove of the fixed plate; the two sliding blocks are respectively fixedly connected to the output ends of the two telescopic rods and are slidably connected to the fixed plate; the two springs are arranged on the outside of the two telescopic rods; The clamping assembly also includes an infrared sensor and a receiver, wherein the infrared sensor is fixed above the fixed plate; the receiver is fixed in the first fixed box; the infrared sensor and the receiver are used in combination to limit the position of the fixed plate; when the unfixed end of the steel bar receives an extrusion test, the first fixed box is subjected to a reaction force, and when the infrared sensor and the receiver can assist in adjusting the output of the clamping hydraulic rod and keep the infrared sensor and the receiver corresponding, the reaction force received by the steel bar at this position can be calculated by subtracting the normal output force when not squeezed from the force output by the hydraulic rod.

2. The steel bar performance detection device according to claim 1, characterized in that: The steel bar performance detection device also includes a plurality of display screens, and the plurality of display screens are electrically connected to the plurality of extrusion hydraulic rods and the plurality of clamping hydraulic rods respectively.

3. The steel bar performance detection device according to claim 2, characterized in that: The steel bar performance detection device further comprises a sliding ruler and a pulling block. The sliding ruler is slidably arranged in the first fixed box; and the pulling block is fixed on one side of the sliding ruler.

4. The steel bar performance detection device according to claim 3, characterized in that: The steel bar performance detection device also includes a laser transmitter and a camera. The laser transmitter is fixed on a side of the first fixing box close to the through hole; and the camera is arranged above the laser transmitter.

5. The steel bar performance detection device according to claim 4, characterized in that: The steel bar performance detection device also includes a recorder, and the recorder is fixed above the mounting seat.

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