A reinforcing bar diameter detection device

Abstract

The utility model belongs to diameter detection device technical field especially a reinforcing steel bar diameter detection device, to the current use weight method measurement reinforcing steel bar diameter, through the length and weight of reinforcing steel bar section measurement, utilize formula " area = length x weight / 7.85 " calculate reinforcing steel bar's diameter, but this method is relatively complex, troublesome, is not conducive to the problem of improving detection efficiency, present and propose the following scheme, including the bottom plate, the top of bottom plate is provided with the fixed clamping plate and movable clamping plate for clamping reinforcing steel bar end both sides, the height of fixed clamping plate is greater than the height of movable clamping plate, the bottom of fixed clamping plate is fixedly connected with the top of bottom plate, the bottom of movable clamping plate is slidingly connected with the top of bottom plate, one side of bottom plate is fixedly provided with mounting plate. The utility model in using, through laser range finder can fast, directly measure reinforcing steel bar diameter, has improved detection efficiency greatly, simultaneously, through multi -point measurement and the difference value of calculation, further improved the measurement accuracy.

Description

Technical Field

[0001] This utility model relates to the technical field of diameter detection devices, and in particular to a rebar diameter detection device. Background Technology

[0002] Since the diameter of reinforcing bars is an important parameter of reinforcing bar specifications, directly affecting the load-bearing capacity and safety of the structure, reinforcing bar diameter testing plays an important role in construction engineering. Reinforcing bar diameter testing is an indispensable part of construction engineering. Through accurate reinforcing bar diameter testing, we can ensure project quality, control costs, meet specification requirements, improve construction efficiency, and ultimately guarantee the safety and durability of building structures.

[0003] Currently, the gravimetric method is used to measure the diameter of reinforcing bars. By measuring the length and weight of the reinforcing bar segment, the diameter of the reinforcing bar is calculated using the formula "area = length × weight / 7.85". However, this method is relatively complex and cumbersome, and is not conducive to improving the efficiency of testing.

[0004] To address the aforementioned problems, this utility model document proposes a rebar diameter detection device. Utility Model Content

[0005] This invention provides a rebar diameter detection device, which solves the problem that the existing technology uses the weight method to measure the diameter of rebar. This method involves measuring the length and weight of the rebar segment and calculating the diameter using the formula "area = length × weight / 7.85". However, this method is relatively complex and cumbersome, and does not improve detection efficiency.

[0006] This utility model provides the following technical solution:

[0007] A rebar diameter detection device, comprising:

[0008] A base plate, the top of which is provided with a fixed clamping plate and a movable clamping plate for clamping the two sides of the rebar end. The height of the fixed clamping plate is greater than the height of the movable clamping plate. The bottom of the fixed clamping plate is fixedly connected to the top of the base plate, and the bottom of the movable clamping plate is slidably connected to the top of the base plate. A mounting plate is fixedly provided on one side of the base plate. Multiple mounting boxes are fixedly provided on the top of the movable clamping plate. A corresponding laser rangefinder is snapped into the mounting box. The front end of the mounting box is provided with a notch for the laser of the laser rangefinder to pass through.

[0009] The sealing assembly, located on the mounting box, is used to prevent accidental displacement of the laser rangefinder and to facilitate the removal of the laser rangefinder for maintenance.

[0010] The drive assembly, located on the mounting plate, is used to drive the movable clamping plate to move smoothly.

[0011] In one possible design, the sealing assembly includes a sealing plate disposed at the opening on the other side of the mounting box. Each of the four corners of the inner wall of the sealing plate is fixedly provided with an insert block. The side wall of the opening of the mounting box is provided with a slot for inserting the corresponding insert block. The sealing plate and the mounting box are reinforced by two symmetrically arranged bolts. The end of the bolt passes through a through hole in the sealing plate and is threadedly connected to a threaded groove on the side wall of the mounting box.

[0012] In one possible design, the drive assembly includes an electric push rod fixedly mounted in the center of the inner wall of the mounting plate, with the other end of the rod fixedly connected to the outer wall of the movable clamping plate. Two telescopic sleeves are symmetrically fixed between the outer wall of the movable clamping plate and the inner wall of the mounting plate to improve connection stability. The telescopic range of the two telescopic sleeves is consistent with that of the electric push rod.

[0013] In one possible design, two guide rods are symmetrically fixed on the inner wall of the movable clamping plate to improve its movement stability. The fixed clamping plate is provided with a sliding hole for the other end of the corresponding guide rod to pass through. The outer wall of the guide rod is slidably connected to the inner wall of the sliding hole.

[0014] In one possible design, a mounting bracket is fixedly installed on the outer wall of the mounting plate, and a power supply box with a built-in battery is snapped into the cavity at the top of the mounting bracket.

[0015] In one possible design, casters for easy equipment movement and leveling screws for stable equipment placement are fixedly installed at the four corners of the bottom of the base plate. The leveling screws are threaded with threaded seats for contacting the ground.

[0016] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the present invention.

[0017] The working principle and usage process of this technical solution are as follows:

[0018] During use, use the casters at the four corners of the bottom of the base plate to move the equipment to the rebar to be tested. Then, rotate the threaded seat on the leveling screw to make the threaded seat contact the ground and level the equipment to ensure stable placement. If used outdoors, check the power supply box built into the mounting plate's outer wall bracket to ensure it can provide power to the electric push rod. Then, place the rebar segment to be tested against the inner wall of the fixed clamping plate and start the electric push rod in the drive assembly on the mounting plate. The telescopic end of the electric push rod drives the movable clamping plate to slide on the top of the base plate. Since the movable clamping plate and the fixed clamping plate are set opposite each other, as the movable clamping plate moves, the fixed clamping plate and the movable clamping plate gradually approach each other until the two sides of the rebar are clamped. During this process, the telescopic sleeve between the outer wall of the movable clamping plate and the inner wall of the mounting plate extends and retracts synchronously, improving the connection stability. The guide rod on the inner wall of the movable clamping plate slides in the sliding hole of the fixed clamping plate, further improving the stability of the movable clamping plate's movement and ensuring that the rebar is stably clamped.

[0019] After the laser rangefinder is started, the laser beam shines through the notch at the front of the mounting box onto the inner wall of the fixed clamping plate. The distance between the movable clamping plate and the fixed clamping plate is then displayed on the corresponding screen, which is the diameter of the rebar segment. To improve the accuracy of the measured values, the values ​​on multiple laser rangefinder screens can be observed and recorded, and the average value can be taken to obtain the diameter of the rebar. If the laser rangefinder needs to be repaired, the bolt can be unscrewed first, and then the sealing plate can be quickly disassembled by using the cooperation of the insert and slot to remove the laser rangefinder. After the repair is completed, the laser rangefinder can be inserted back into the mounting box, the sealing plate can be installed, and the bolt can be tightened.

[0020] This utility model has the following beneficial effects:

[0021] This invention enables rapid and direct measurement of steel bar diameter using a laser rangefinder, greatly improving detection efficiency. Furthermore, by measuring multiple points and calculating the difference values, it further enhances measurement accuracy.

[0022] In this utility model, the mounting box and sealing assembly at the top of the movable clamp are reasonably designed. The laser rangefinder is snapped into the mounting box and fixed by the sealing plate and bolts, which not only prevents the laser rangefinder from being accidentally moved, but also makes it easy to take it out for inspection and maintenance. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of a rebar diameter detection device provided in an embodiment of the present utility model;

[0024] Figure 2 Another perspective structural schematic diagram of a rebar diameter detection device provided in an embodiment of this utility model;

[0025] Figure 3This is a partial disassembly diagram of a rebar diameter detection device provided in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the separation structure of the mounting box and laser rangefinder of a rebar diameter detection device provided in an embodiment of the present invention.

[0027] Reference numerals: 1. Base plate; 2. Fixed clamping plate; 3. Movable clamping plate; 4. Caster wheel; 5. Leveling screw; 6. Threaded seat; 7. Mounting box; 8. Laser rangefinder; 9. Notch; 10. Sealing plate; 11. Insert block; 12. Slot; 13. Bolt; 14. Through hole; 15. Threaded groove; 16. Mounting plate; 17. Electric push rod; 18. Telescopic sleeve; 19. Guide rod; 20. Fixing frame; 21. Power supply box; 22. Sliding hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0031] Example 1

[0032] Please refer to Figure 1-4 A detection device, comprising:

[0033] The base plate 1 has a fixed clamping plate 2 and a movable clamping plate 3 on its top for clamping the ends of the reinforcing bars. The height of the fixed clamping plate 2 is greater than the height of the movable clamping plate 3 to ensure that the laser rangefinder 8 shines directly onto the inner wall of the fixed clamping plate 2. The bottom of the fixed clamping plate 2 is connected to the top of the base plate 1 by welding or other fixing methods to ensure stability. The bottom of the movable clamping plate 3 is slidably connected to the top of the base plate 1 by a sliding connection mechanism such as a slide rail to adjust the distance between it and the fixed clamping plate 2 to accommodate reinforcing bars of different diameters. A mounting plate 16 is fixedly installed on one side of the base plate 1 for installing the drive assembly. Multiple mounting boxes 7 are fixedly installed on the top of the movable clamping plate 3, and each mounting box 7 holds a corresponding laser rangefinder 8, model GLM. The 4000 laser rangefinder is used to measure the diameter of the reinforcing bar. The front end of the mounting box 7 has a notch 9, which allows the laser emitted by the laser rangefinder 8 to pass through and directly irradiate the inner wall of the fixed clamping plate 2. After the laser rangefinder 8 is started, the laser shines through the notch 9 at the front end of the mounting box 7 onto the inner wall of the fixed clamping plate 2, and displays the measured distance between the movable clamping plate 3 and the fixed clamping plate 2 on the corresponding display screen, which is the diameter of the reinforcing bar segment. To improve the accuracy of the measured value, the values ​​on the display screens of multiple laser rangefinders 8 can be observed and recorded, and the average value can be taken to obtain the diameter of the reinforcing bar.

[0034] To facilitate the relocation and stable placement of the equipment, casters 4 are fixed at the four corners of the bottom of the base plate 1, making it easy for the operator to push the equipment to the testing position. At the same time, a leveling screw 5 is also provided at the bottom of the base plate 1. A threaded seat 6 is threadedly connected to the leveling screw 5. By rotating the leveling screw 5, the contact degree between the threaded seat 6 and the ground can be adjusted to ensure that the equipment can be placed stably on uneven ground.

[0035] A sealing assembly, located on the mounting box 7, is used to prevent the laser rangefinder 8 from being accidentally displaced and to facilitate the removal of the laser rangefinder 8 for maintenance. The sealing assembly includes a sealing plate 10 located at the opening on the other side of the mounting box 7. Insert blocks 11 are fixedly installed at the four corners of the inner wall of the sealing plate 10. Slots 12 that match the insert blocks 11 are provided on the side wall of the opening of the mounting box 7. The sealing plate 10 can be quickly installed or removed by the cooperation of the insert blocks 11 and the slots 12. In addition, the sealing plate 10 and the mounting box 7 are reinforced by two symmetrically arranged bolts 13. The ends of the bolts 13 pass through the through holes 14 on the sealing plate 10 and are threadedly connected to the threaded grooves 15 on the side wall of the mounting box 7 to ensure that the sealing plate 10 will not be accidentally opened during operation.

[0036] A drive assembly, mounted on the mounting plate 16, is used to drive the movable clamping plate 3 to move smoothly. The drive assembly includes an electric push rod 17 fixedly installed in the center of the inner wall of the mounting plate 16. Its other end is fixedly connected to the outer wall of the movable clamping plate 3 by bolts or other fastening methods. The extension and retraction of the electric push rod 17 can drive the movable clamping plate 3 to move, thereby adjusting the distance between it and the fixed clamping plate 2 and clamping steel bars of different diameters. In order to improve the connection stability, two telescopic sleeves 18 are also symmetrically fixed between the outer wall of the movable clamping plate 3 and the inner wall of the mounting plate 16. The extension and retraction range of the two telescopic sleeves 18 is consistent with that of the electric push rod 17, ensuring the stability of the movable clamping plate 3 during movement. The telescopic sleeve 18 structure includes a fixed tube and a movable tube. The movable tube is slidably installed in the cavity at the end of the fixed tube.

[0037] This application can be used for the detection of rebar diameter, or in other fields applicable to this application.

[0038] Example 2

[0039] Improvements based on Example 1:

[0040] A rebar diameter detection device, which is used in the field of diameter detection devices;

[0041] Please refer to Figure 1-3 To further improve the moving stability of the movable clamping plate 3, two guide rods 19 are symmetrically fixed on the inner wall of the movable clamping plate 3. The fixed clamping plate 2 is provided with sliding holes 22 corresponding to the guide rods 19. The outer wall of the guide rods 19 is slidably connected to the inner wall of the sliding holes 22, which restricts the swaying of the movable clamping plate 3 in the horizontal direction and makes its movement more stable.

[0042] To facilitate outdoor power supply for the equipment, a mounting bracket 20 is fixedly installed on the outer wall of the mounting plate 16. A power supply box 21 with a built-in battery is snapped into the cavity at the top of the mounting bracket 20 to provide power support for the electric push rod 17.

[0043] However, as is well known to those skilled in the art, the working principles and wiring methods of the laser rangefinder 8, the electric push rod 17 and the power supply box 21 are commonplace and are all conventional means or common knowledge. They will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0044] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0045] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. In the absence of conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A device for detecting the diameter of reinforcing bars, characterized in that, include: The base plate (1) has a fixed clamping plate (2) and a movable clamping plate (3) on its top for clamping the two sides of the steel bar ends. The height of the fixed clamping plate (2) is greater than the height of the movable clamping plate (3). The bottom of the fixed clamping plate (2) is fixedly connected to the top of the base plate (1). The bottom of the movable clamping plate (3) is slidably connected to the top of the base plate (1). An installation plate (16) is fixedly provided on one side of the base plate (1). Multiple installation boxes (7) are fixedly provided on the top of the movable clamping plate (3). A corresponding laser rangefinder (8) is snapped into the installation box (7). A notch (9) is provided at the front end of the installation box (7) for the laser of the laser rangefinder (8) to pass through. The sealing assembly is located on the mounting box (7) to prevent the laser rangefinder (8) from being accidentally displaced and to facilitate the removal of the laser rangefinder (8) for maintenance; A drive assembly, mounted on the mounting plate (16), is used to drive the movable clamp (3) to move smoothly. The sealing assembly includes a sealing plate (10) located at the opening on the other side of the mounting box (7). Inserts (11) are fixedly installed at the four corners of the inner wall of the sealing plate (10). Slots (12) for inserting the corresponding inserts (11) are provided on the side wall of the opening of the mounting box (7). The sealing plate (10) and the mounting box (7) are reinforced by two symmetrically arranged bolts (13). The ends of the bolts (13) are... The drive assembly includes an electric push rod (17) fixedly installed in the center of the inner wall of the mounting plate (16) and the other end of which is fixedly connected to the outer wall of the movable clamping plate (3). Two telescopic sleeves (18) for improving connection stability are symmetrically fixed between the outer wall of the movable clamping plate (3) and the inner wall of the mounting plate (16). The telescopic range of the two telescopic sleeves (18) is consistent with that of the electric push rod (17).

2. The rebar diameter detection device according to claim 1, characterized in that, Two guide rods (19) are symmetrically fixed on the inner wall of the movable clamp (3) to improve its movement stability. The fixed clamp (2) is provided with a sliding hole (22) for the other end of the corresponding guide rod (19) to pass through. The outer wall of the guide rod (19) is slidably connected to the inner wall of the sliding hole (22).

3. The rebar diameter detection device according to claim 2, characterized in that, A mounting bracket (20) is fixedly installed on the outer wall of the mounting plate (16), and a power supply box (21) with a built-in battery is snapped into the cavity at the top of the mounting bracket (20).

4. The rebar diameter detection device according to claim 1, characterized in that, The bottom of the base plate (1) is fixedly equipped with casters (4) for easy equipment movement and leveling screws (5) for stable equipment placement at the four corners. The leveling screws (5) are threaded with threaded seats (6) for contact with the ground.

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