Steel bar quality detection equipment

Abstract

The utility model discloses reinforcing steel bar quality detection equipment which comprises a bottom plate and a reinforcing steel bar clamping assembly, n-shaped frames are symmetrically arranged at the left end and the right end of the upper surface of the bottom plate, the upper surfaces of the two n-shaped frames are fixedly connected with the lower surface of a top plate, a hydraulic rod is fixedly connected to the middle of the top plate, a connecting assembly is arranged at the lower end of a push rod of the hydraulic rod, and a pressing block is arranged at the lower end of the connecting assembly; the top ends of the telescopic rods are fixedly connected with the lower surface of the transverse plate, the outer arc faces of the telescopic rods are sleeved with second springs, the two ends of the second springs make contact with the upper surface of the bottom plate and the lower surface of the transverse plate correspondingly, and a first distance measuring sensor is arranged on the upper surface of the bottom plate. The steel bars are convenient to mount, fix and dismount, the working efficiency is improved, the detection data is more accurate, and the application range is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar detection, in particular to a steel bar quality detection device. Background Technique

[0002] Steel bars refer to steel materials used for reinforced concrete and prestressed reinforced concrete. Steel bars are mainly used in various large-scale, heavy-duty, light-thin-walled and high-rise building structures. The processing of steel bars generally goes through four processes: steel bar rust removal; steel bar straightening; steel bar cutting; and steel bar forming. Before the steel bars are put into use, it is necessary to conduct a bending test on the steel bars to ensure that the steel bars have a certain strength for use. When the existing steel bar detection equipment is in use, it usually limits the steel bars from both ends. The two-sided limiting structures cannot move along with the bending of the steel bars, which easily causes wear at the connection between the steel bars and the equipment. Moreover, the tension on the steel bars during the detection process offsets part of the pressure of the hydraulic rod, resulting in inaccurate detection results. In addition, the existing steel bar quality detection equipment usually uses a hydraulic rod or bolts to limit the two ends of the steel bars. Using a hydraulic rod increases the equipment cost and is not convenient to control the pressure. And the process of locking with bolts is complex, resulting in inconvenient installation and disassembly of the steel bars. For this reason, we propose a steel bar quality detection device. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects, provide a steel bar quality detection device, which has firm clamping, is convenient for the installation, fixation and disassembly of steel bars, improves the work efficiency, makes the detection data more accurate, and expands the application range, and can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A steel bar quality detection device, including a bottom plate and a steel bar clamping assembly;

[0005] Bottom plate: At the left and right ends of the upper surface thereof, U-shaped frames are symmetrically arranged. The upper surfaces of the two U-shaped frames are fixedly connected to the lower surface of the top plate. A hydraulic rod is fixedly connected to the middle of the top plate. The lower end of the push rod of the hydraulic rod is provided with a connection assembly. The lower end of the connection assembly is provided with a pressing block. In the middle of the upper surface of the bottom plate, telescopic rods are symmetrically arranged. The tops of the telescopic rods are fixedly connected to the lower surface of the cross plate. The outer arc surfaces of the telescopic rods are all sleeved with second springs. The two ends of the second springs are respectively in contact with the upper surface of the bottom plate and the lower surface of the cross plate. A distance measuring sensor one is arranged on the upper surface of the bottom plate. The cross plate is vertically corresponding to the pressing block and the distance measuring sensor one respectively. A moving frame is slidably connected between the lower surface of the top plate and the upper surface of the bottom plate at the right end.

[0006] Steel bar clamping assembly: It is respectively rotatably connected between the two vertical frames of the moving frame and between the two vertical frames of the left U-shaped frame.

[0007] Among them: it also includes a single-chip microcomputer and a touch screen, which are both arranged on the front side of the right-side shaped frame, the input end of the single-chip microcomputer is electrically connected to an external power supply, the single-chip microcomputer and the touch screen are bidirectionally electrically connected, and the output end of the distance measuring sensor 1 is electrically connected to the input end of the single-chip microcomputer, which is firmly clamped, convenient for the installation, fixation and disassembly of the steel bars, improves work efficiency, makes the detection data more accurate, and expands the scope of application.

[0008] Furthermore, the connecting assembly includes a connecting tube, a slider and a pressure sensor, the connecting tube is arranged on the upper surface of the pressure block, the slider is arranged at the lower end of the push rod of the hydraulic rod, the outer side surface of the slider is slidably connected to the inner wall of the connecting tube, and the lower surface of the slider is provided with a pressure sensor, the lower end of the pressure sensor is in contact with the inner bottom surface of the connecting tube, the output end of the pressure sensor is electrically connected to the input end of the single-chip microcomputer, and the pressure applied to the steel bar is monitored by the pressure sensor.

[0009] Furthermore, the steel bar clamping assembly includes a sleeve, a guide bar, an arc-shaped clamping block and a spring. The sleeve is rotatably connected between the two vertical frame bodies of the movable frame and between the two vertical frame bodies of the left-side shaped frame. The inner arc surface of the sleeve is a conical structure. The interior of the sleeve is provided with a circular array of guide bars whose inner ends are close to the axis of the sleeve. The interior of the guide bars is slidably connected with an arc-shaped clamping block. Three adjacent arc-shaped clamping blocks are arranged in cooperation. The spring is respectively arranged on the opposite inner side walls of the two sleeves. The end of the spring facing away from the sleeve is respectively in contact with the side surfaces of the three adjacent arc-shaped clamping blocks. The steel bars are clamped by sliding the arc-shaped clamping blocks, which facilitates the installation and disassembly of the steel bars and improves work efficiency.

[0010] Furthermore, the steel bar clamping assembly also includes an electromagnet, which is respectively arranged on the inner walls of the two sleeves that are opposite to each other. The electromagnet is magnetically adsorbed to three adjacent arc-shaped clamping blocks respectively. The input ends of the electromagnets are electrically connected to the output ends of the single-chip microcomputer. The adjacent arc-shaped clamping blocks are magnetically adsorbed by the electromagnets to facilitate the installation of the steel bars.

[0011] Furthermore, the steel bar clamping assembly also includes anti-skid grooves, which are arranged in an array on the inner arc surface of the arc-shaped clamping block to increase the friction with the steel bar surface.

[0012] Furthermore, it also includes a second distance measuring sensor, which is arranged on the right side of the front end of the left-side shaped frame, and the second distance measuring sensor is arranged horizontally corresponding to the moving frame. The output end of the second distance measuring sensor is electrically connected to the input end of the single-chip microcomputer to measure the length of the steel bar test part.

[0013] Furthermore, dovetail bars are symmetrically provided on the upper surface of the bottom plate and the lower surface of the top plate, and the dovetail bars are slidably connected to the inner walls of dovetail grooves correspondingly provided on the upper surface and the lower surface of the moving frame, respectively, to limit and guide the moving frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the steel bar quality detection equipment has the following advantages:

[0015] 1. Two electromagnets are started respectively by the single chip microcomputer. When the electromagnets are energized, they are magnetic and absorb adjacent arc clamps. As the inner end of the guide strip approaches the axis of the sleeve, the distance between the arc clamp and the axis of the sleeve increases in the process of the arc clamp approaching the electromagnet along the guide strip, and the gap between the three adjacent arc clamps increases, which is convenient for the steel bar to be inserted into the two groups of arc clamps. Then the electromagnet is controlled to be de-energized, and the electromagnet no longer absorbs the arc clamp. The arc clamp slides to the side away from the electromagnet under the thrust of spring 1, and the gap between the three arc clamps decreases, so that the steel bar is clamped. As the pressure on the middle part of the steel bar increases, the two ends of the steel bar are pulled toward the middle. At this time, the outer arc surfaces at both ends of the steel bar drive the arc clamp to slide inward through friction. The arc clamp increases the clamping force of the steel bar under the guiding action of the guide strip, so that the two ends of the steel bar are pulled tighter and tighter, effectively preventing the steel bar from loosening during the test, and facilitating the installation, fixation and disassembly of the steel bar, thereby improving work efficiency.

[0016] 2. The movable frame adopts a sliding structure and the sleeve adopts a rotating connection, which allows the movable frame to adjust the position and angle according to the change of the distance between the left and right ends of the steel bar when the steel bar is bent, avoiding the tension of the two sets of steel bar clamping components on the steel bar to offset part of the pressure of the hydraulic rod, making the detection data more accurate, and adapting to the detection of steel bars of different lengths, expanding the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional plan structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the exploded structure of the steel bar clamping assembly of the utility model.

[0020] In the figure: 1 bottom plate, 2 profile frame, 3 top plate, 4 moving frame, 5 steel bar clamping assembly, 51 sleeve, 52 guide strip, 53 arc clamping block, 54 spring 1, 55 electromagnet, 56 anti-slip groove, 6 hydraulic rod, 7 connecting assembly, 71 connecting tube, 72 slider, 73 pressure sensor, 8 pressure block, 9 telescopic rod, 10 cross plate, 11 spring 2, 12 distance sensor 1, 13 distance sensor 2, 14 dovetail strip, 15 single chip microcomputer, 16 touch screen. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 ,This embodiment provides a technical solution: a steel bar quality detection device, comprising a bottom plate 1 and a steel bar clamping assembly 5;

[0023] Bottom plate 1: symmetrically provided with shaped frames 2 at the left and right ends of its upper surface, the upper surfaces of the two shaped frames 2 are fixedly connected to the lower surface of the top plate 3, a hydraulic rod 6 is fixedly connected to the middle part of the top plate 3, a connecting assembly 7 is provided at the lower end of the push rod of the hydraulic rod 6, a pressing block 8 is provided at the lower end of the connecting assembly 7, the connecting assembly 7 comprises a connecting tube 71, a slider 72 and a pressure sensor 73, the connecting tube 71 is arranged on the upper surface of the pressing block 8, the slider 72 is arranged at the lower end of the push rod of the hydraulic rod 6, the outer side surface of the slider 72 is slidably connected to the inner wall of the connecting tube 71, a pressure sensor 73 is provided on the lower surface of the slider 72, the lower end of the pressure sensor 73 is in contact with the inner bottom surface of the connecting tube 71, the push rod of the hydraulic rod 6 pushes the pressure sensor 73 downward through the slider 72, the pressure sensor 73 pushes the connecting tube 71 and the pressing block 8 downward, the pressing block 8 applies pressure to the steel bar, and at the same time, the pressure sensor 73 sends the pressure applied to the steel bar to the single-chip microcomputer 15 in real time, and the single-chip microcomputer 15 displays the monitoring data through the touch screen 16.

[0024] A telescopic rod 9 is symmetrically arranged in the middle of the upper surface of the base plate 1, and the top of the telescopic rod 9 is fixedly connected to the lower surface of the cross plate 10. The outer arc surface of the telescopic rod 9 is sleeved with a spring 11, and the two ends of the spring 11 are respectively in contact with the upper surface of the base plate 1 and the lower surface of the cross plate 10. A distance sensor 12 is arranged on the upper surface of the base plate 1, and the cross plate 10 corresponds to the vertical position of the pressure block 8 and the distance sensor 12 respectively. The distance sensor 12 measures the distance between the lower surface of the cross plate 10 in real time and sends the monitoring data to the single-chip microcomputer 15. When the distance between the distance sensor 12 and the lower surface of the cross plate 10 decreases, it indicates that the steel bar is deformed. At this time, the bearing capacity of the steel bar can be determined by observing the pressure value monitored by the pressure sensor 73. A movable frame 4 is slidably connected between the lower surface of the top plate 3 and the upper surface of the bottom plate 1 at the right end, and dovetail bars 14 are symmetrically provided on the upper surface of the bottom plate 1 and the lower surface of the top plate 3. The dovetail bars 14 are slidably connected to the inner walls of the dovetail grooves corresponding to the upper and lower surfaces of the movable frame 4, respectively, to limit and guide the movable frame 4, so that the movable frame 4 can adjust its position by following the change of the distance between the left and right ends of the steel bar when the steel bar is bent.

[0025] The steel bar clamping assembly 5 is respectively rotatably connected between the two vertical frames of the moving frame 4 and the two vertical frames of the left side profile frame 2. The steel bar clamping assembly 5 includes a sleeve 51, a guide bar 52, an arc clamping block 53 and a spring 54. The sleeve 51 is respectively rotatably connected between the two vertical frames of the moving frame 4 and the two vertical frames of the left side profile frame 2. The inner arc surface of the sleeve 51 is a conical structure. The inside of the sleeve 51 is provided with a circular array of guide bars 52 whose inner ends are close to the axis of the sleeve 51. The inside of the guide bars 52 is slidably connected with arc clamping blocks 53. The three adjacent arc-shaped clamping blocks 53 are arranged in coordination, and the springs 54 are respectively arranged on the inner walls of the two sleeves 51 which are away from each other. The ends of the springs 54 which are away from the sleeves 51 are respectively in contact with the sides of the three adjacent arc-shaped clamping blocks 53. As the pressure on the middle part of the steel bar increases, the two ends of the steel bar are pulled toward the middle. At this time, the outer arc surfaces at the two ends of the steel bar drive the arc-shaped clamping blocks 53 to slide inwardly through friction. Under the guiding action of the guide strips 52, the clamping force of the arc-shaped clamping blocks 53 on the steel bar is increased, so that the two ends of the steel bar are pulled tighter and tighter, which effectively prevents the steel bar from loosening during the test and improves the safety performance.

[0026] The steel bar clamping assembly 5 also includes an electromagnet 55, which is respectively arranged on the inner side walls of the two sleeves 51 that are opposite to each other. The electromagnet 55 is magnetically adsorbed to the three adjacent arc-shaped clamping blocks 53. The two electromagnets 55 are started, and the electromagnet 55 is energized to have magnetism and adsorb the adjacent arc-shaped clamping blocks 53. As the inner end of the guide bar 52 approaches the axis of the sleeve 51, the distance between the arc-shaped clamping blocks 53 and the axis of the sleeve 51 increases during the process of approaching the electromagnet 55 along the guide bar 52. The gap between the three adjacent arc-shaped clamping blocks 53 increases, which facilitates the insertion of the steel bar into the two groups of arc-shaped clamping blocks 53. Then, the electromagnet 55 is controlled to be de-energized, and the electromagnet 55 no longer adsorbs the arc-shaped clamping blocks 53. The arc-shaped clamping blocks 53 slide to the side away from the electromagnet 55 under the thrust of the spring 1 54, and the gap between the three arc-shaped clamping blocks 53 is reduced, so that the steel bar is clamped. The steel bar clamping assembly 5 further includes anti-skid grooves 56 , which are arranged in an array on the inner arc surface of the arc-shaped clamping block 53 , and the friction force with the steel bar surface is increased by the anti-skid grooves 56 .

[0027] Among them: it also includes a single-chip microcomputer 15 and a touch screen 16, the single-chip microcomputer 15 and the touch screen 16 are both arranged on the front side of the right side of the shaped frame 2, the input end of the single-chip microcomputer 15 is electrically connected to the external power supply, the single-chip microcomputer 15 and the touch screen 16 are bidirectionally electrically connected, the output end of the distance sensor 12 is electrically connected to the input end of the single-chip microcomputer 15, the input end of the electromagnet 55 is electrically connected to the output end of the single-chip microcomputer 15, and the output end of the pressure sensor 73 is electrically connected to the input end of the single-chip microcomputer 15.

[0028] Among them: it also includes a distance sensor 13, which is arranged on the right side of the front end of the left-side shaped frame 2, and the distance sensor 13 is arranged horizontally corresponding to the moving frame 4. The output end of the distance sensor 13 is electrically connected to the input end of the single-chip computer 15 to measure the length of the steel bar test part.

[0029] The working principle of a steel bar quality detection device provided by the utility model is as follows:

[0030] The hydraulic rod 6 is connected to the external hydraulic station oil circuit, and the two electromagnets 55 are respectively started through the single chip microcomputer 15. The electromagnets 55 are energized to have magnetism and absorb the adjacent arc clamps 53. As the inner end of the guide bar 52 approaches the axis of the sleeve 51, the distance between the arc clamps 53 and the axis of the sleeve 51 increases during the process of the arc clamps 53 approaching the electromagnet 55 along the guide bar 52. The gap between the three adjacent arc clamps 53 increases, which facilitates the insertion of the steel bars into the two groups of arc clamps 53. Then, the electromagnets 55 are controlled to be de-energized, and the electromagnets 55 no longer absorb the arc clamps 53. The arc clamps 53 are respectively moved to the inner side of the guide bar 52 under the thrust of the spring 54. The arc clamping blocks 53 slide away from the side of the electromagnet 55, and the gap between the three arc clamping blocks 53 decreases, clamping the steel bar. As the pressure on the middle of the steel bar increases, the two ends of the steel bar are pulled toward the middle. At this time, the outer arc surfaces at both ends of the steel bar drive the arc clamping blocks 53 to slide inward through friction. Under the guidance of the guide bar 52, the arc clamping blocks 53 increase the clamping force on the steel bar, so that the two ends of the steel bar are pulled tighter and tighter, effectively preventing the steel bar from loosening during the test. The distance sensor 13 measures the distance between the right side of the left profile frame 2 and the left side of the moving frame 4 and sends the detection data to the single-chip microcomputer 15, which is convenient for calculating the distance between the steel bar and the unit The maximum pressure within the length is started by the external hydraulic station. The push rod of the hydraulic rod 6 pushes the pressure sensor 73 downward through the slider 72, and then the pressure sensor 73 pushes the connecting tube 71 and the pressure block 8 downward to move. The pressure block 8 applies pressure to the steel bar. At the same time, the pressure sensor 73 sends the pressure applied to the steel bar to the single-chip microcomputer 15 in real time. The single-chip microcomputer 15 displays the monitoring data through the touch screen 16. The cross plate 10 fits with the lower end of the outer arc surface of the steel bar under the elastic force of the spring 11. The distance sensor 12 measures the distance between it and the lower surface of the cross plate 10 in real time and sends the monitoring data To the single chip computer 15, when the distance between the distance sensor 12 and the lower surface of the cross plate 10 decreases, it means that the steel bar is deformed. At this time, the bearing capacity of the steel bar can be determined by observing the pressure value monitored by the pressure sensor 73. The movable frame 4 adopts a sliding structure and the sleeve 51 adopts a rotating connection. The movable frame 4 can adjust the position and angle according to the change of the distance between the left and right ends of the steel bar when the steel bar is bent, avoiding the tension of the two sets of steel bar clamping components 5 on the steel bar to offset part of the pressure of the hydraulic rod 6, making the detection data more accurate, and at the same time adapting to the detection of steel bars of different lengths, expanding the scope of application.

[0031] It is worth noting that the electromagnet 55, pressure sensor 73, distance sensor 12, distance sensor 2 13, single-chip microcomputer 15 and touch screen 16 disclosed in the above embodiments can be freely configured according to the actual application scenario, and the single-chip microcomputer 15 controls the operation of the electromagnet 55, pressure sensor 73, distance sensor 12, distance sensor 2 13 and touch screen 16 using methods commonly used in the prior art.

[0032] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A steel bar quality detection device, characterized in that: It comprises a base plate (1) and a steel bar clamping assembly (5); The bottom plate (1) has symmetrically disposed shaped frames (2) at the left and right ends of its upper surface. The upper surfaces of the two shaped frames (2) are fixedly connected to the lower surface of the top plate (3). A hydraulic rod (6) is fixedly connected to the middle of the top plate (3). A connecting assembly (7) is disposed at the lower end of the push rod of the hydraulic rod (6). A pressing block (8) is disposed at the lower end of the connecting assembly (7). Telescopic rods (9) are symmetrically disposed at the middle of the upper surface of the bottom plate (1). The top ends of the telescopic rods (9) are connected to the lower ends of the horizontal plate (10). The surfaces are fixedly connected, the outer arc surface of the telescopic rod (9) is sleeved with a spring 2 (11), the two ends of the spring 2 (11) are respectively in contact with the upper surface of the bottom plate (1) and the lower surface of the cross plate (10), the upper surface of the bottom plate (1) is provided with a distance sensor 1 (12), the cross plate (10) corresponds to the vertical position of the pressure block (8) and the distance sensor 1 (12), and the right end between the lower surface of the top plate (3) and the upper surface of the bottom plate (1) is slidably connected with a moving frame (4); A steel bar clamping assembly (5) is rotatably connected between two vertical frame bodies of the movable frame (4) and between two vertical frame bodies of the left profile frame (2); The invention further comprises a single chip microcomputer (15) and a touch screen (16), wherein the single chip microcomputer (15) and the touch screen (16) are both arranged on the front side of the right side of the molded frame (2), the input end of the single chip microcomputer (15) is electrically connected to an external power supply, the single chip microcomputer (15) and the touch screen (16) are bidirectionally electrically connected, and the output end of the distance measuring sensor 1 (12) is electrically connected to the input end of the single chip microcomputer (15).

2. A steel bar quality detection device according to claim 1, characterized in that: The connecting assembly (7) comprises a connecting tube (71), a slider (72) and a pressure sensor (73); the connecting tube (71) is arranged on the upper surface of the pressure block (8); the slider (72) is arranged at the lower end of the push rod of the hydraulic rod (6); the outer side surface of the slider (72) is slidably connected to the inner wall of the connecting tube (71); the lower surface of the slider (72) is provided with a pressure sensor (73); the lower end of the pressure sensor (73) is in contact with the inner bottom surface of the connecting tube (71); the output end of the pressure sensor (73) is electrically connected to the input end of the single chip computer (15).

3. A steel bar quality detection device according to claim 1, characterized in that: The steel bar clamping assembly (5) comprises a sleeve (51), a guide bar (52), an arc-shaped clamping block (53) and a spring (54). The sleeve (51) is rotatably connected between two vertical frames of the movable frame (4) and between two vertical frames of the left side shaped frame (2). The inner arc surface of the sleeve (51) is a conical structure. The inside of the sleeve (51) is provided with a circular array of guide bars (52) whose inner ends are close to the axis of the sleeve (51). The inside of the guide bars (52) is slidably connected with arc-shaped clamping blocks (53). Three adjacent arc-shaped clamping blocks (53) are arranged in a coordinated manner. The spring (54) is respectively arranged on the inner side walls of the two sleeves (51) that are away from each other. The end of the spring (54) that is away from the sleeve (51) is in contact with the side surfaces of the three adjacent arc-shaped clamping blocks (53).

4. A steel bar quality detection device according to claim 3, characterized in that: The steel bar clamping assembly (5) further comprises an electromagnet (55), wherein the electromagnet (55) is respectively arranged on inner side walls of two sleeves (51) which are opposite to each other, and the electromagnet (55) is respectively magnetically attracted to three adjacent arc-shaped clamping blocks (53), and the input end of the electromagnet (55) is electrically connected to the output end of the single-chip computer (15).

5. A steel bar quality detection device according to claim 3, characterized in that: The steel bar clamping assembly (5) further comprises anti-slip grooves (56), and the anti-slip grooves (56) are arranged in an array on the inner arc surface of the arc-shaped clamping block (53).

6. A steel bar quality detection device according to claim 1, characterized in that: The invention also comprises a second distance measuring sensor (13), the second distance measuring sensor (13) being arranged on the right side of the front end of the left side shaped frame (2), the second distance measuring sensor (13) being arranged in a horizontal direction corresponding to the moving frame (4), and the output end of the second distance measuring sensor (13) being electrically connected to the input end of the single chip computer (15).

7. A steel bar quality detection device according to claim 1, characterized in that: The upper surface of the bottom plate (1) and the lower surface of the top plate (3) are both symmetrically provided with dovetail strips (14), and the dovetail strips (14) are slidably connected to the inner walls of dovetail grooves correspondingly provided on the upper surface and the lower surface of the moving frame (4).

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