Construction steel bar strength detector

Abstract

The utility model discloses a construction steel bar strength detector which comprises a bottom plate, a supporting frame is installed at the upper end of the bottom plate through a connecting rod, a supporting plate is installed at the bottom end in the supporting frame through a through hole, a protective shell is movably installed outside the supporting plate, and a hydraulic rod is installed at the upper end of the supporting frame. A movable plate is movably mounted at the lower end of the connecting plate; a connecting pipe is mounted in the middle of the lower end of the movable plate; an elastic spring I is mounted at the lower end of the movable plate in the connecting pipe; an electromagnet is mounted in the connecting pipe below the elastic spring I; and a pressure seat is mounted below the connecting pipe. According to the utility model, the electromagnet is electrified and can attract the pressure seat, so that the installation of the pressure seat is realized, the pressure seats of different specifications can be conveniently replaced according to the diameter of the reinforcing steel bar to be detected, the replacement efficiency of the pressure seat is high, and the detection efficiency of the strength of the reinforcing steel bars of different specifications is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar detection, in particular to a building steel bar strength detector. Background Art

[0002] Construction project quality inspection refers to the activities of testing the materials, components, equipment, and engineering entity quality and usage functions of construction projects to determine their quality characteristics in accordance with relevant national laws, regulations, mandatory standards for engineering construction and design documents. Steel bars are widely used in modern construction projects, and testing the strength of construction steel bars is an important means to ensure the quality of construction projects.

[0003] At present, when testing the curvature of steel bars, the surface of the steel bars is usually pressed to deform the steel bars, and the pressure required to press the steel bars is detected to detect the strength of the steel bars. When testing, in order to prevent the steel bars from sliding during testing, a pressure seat with grooves is usually used to contact the steel bars. Since steel bars have various diameters, when testing steel bars of different specifications, it is necessary to replace the pressure seat corresponding to the diameter of the steel bar. The existing connection method of the pressure seat is not convenient for disassembly, and it takes a lot of time to replace the pressure seat, which affects the efficiency of testing the strength of steel bars of different specifications. Utility Model Content

[0004] The purpose of the utility model is to provide a building steel bar strength detector to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building steel bar strength tester, comprising a base plate, a support frame is installed on the upper end of the base plate through a connecting rod, a support plate is installed on the lower end of the support frame through a through hole, the support plate is installed on the upper end of the base plate through the connecting rod, a protective shell is movably installed on the outside of the support plate, a hydraulic rod is installed on the upper end of the support frame, a connecting plate is installed inside the support frame at the output end of the hydraulic rod, a detection mechanism is installed on the connecting plate, a movable plate is movably installed on the lower end of the connecting plate, a connecting pipe is installed in the middle of the lower end of the movable plate, an elastic spring 1 is installed on the lower end of the movable plate inside the connecting pipe, an electromagnet is installed inside the connecting pipe below the elastic spring 1, and a pressure seat is installed below the connecting pipe.

[0006] Preferably, a placement block is installed at the bottom end of the support frame, a groove body is arranged at the upper end of the placement block, placement grooves are arranged at both ends of the groove body, and a notch is arranged at the lower end of the pressure seat. There are multiple pressure seats, and the sizes of the notches are all different.

[0007] Preferably, the detection mechanism includes a pressure detector, a push rod, a contact plate, a mounting frame and a display screen, push rods are installed on both sides of the upper end of the movable plate, the upper end of the push rod passes through the connecting plate, the contact plate is installed on the upper end of the push rod, the upper end of the connecting plate above the contact plate is installed with a mounting frame, the bottom end of the mounting frame above the contact plate is installed with a pressure detector, and a display screen is installed at the front end of the support frame.

[0008] Preferably, a sleeve is installed on the upper end of the pressure seat, and the sleeve is sleeved on the outside of the connecting pipe.

[0009] Preferably, there is a certain gap between the support frame and the support plate, the protective shell is located inside the gap, mounting plates are installed at both ends of the protective shell, and a second elastic spring is installed between the lower end of the mounting plate and the bottom end inside the support frame.

[0010] Preferably, the protective shell is made of a transparent plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This building steel bar strength tester can attract the pressure seat by energizing the electromagnet, thereby installing the pressure seat. It is convenient to replace pressure seats of different specifications according to the diameter of the steel bar to be tested, and the pressure seat replacement efficiency is high, which effectively improves the detection efficiency of the strength of steel bars of different specifications.

[0013] 2. This building steel bar strength tester is equipped with two components, namely a protective shell, a connecting plate and an elastic spring. When the movable plate moves downward to drive the pressure seat to bend the building steel bar, the movable plate presses the protective shell. At the same time, the connecting plates at both ends of the protective shell press the elastic spring, thereby realizing the protection of the protective shell on the building steel bar whose strength is to be tested, thereby playing a protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a front cross-sectional view of the utility model;

[0016] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0017] In the figure: 1, bottom plate; 2, support frame; 3, support plate; 4, protective shell; 5, hydraulic rod; 6, connecting plate; 8, moving plate; 9, connecting pipe; 10, elastic spring 1; 11, electromagnet; 12, pressure seat; 13, placement block; 14, slot body; 15, placement slot; 16, notch; 17, sleeve; 18, mounting plate; 19, elastic spring 2; 701, pressure detector; 702, push rod; 703, contact plate; 704, mounting frame; 705, display screen. DETAILED DESCRIPTION

[0018] 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.

[0019] In addition, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figures 1 to 3As shown, the building steel bar strength tester of this embodiment includes a base plate 1, a support frame 2 is installed on the upper end of the base plate 1 through a connecting rod, a support plate 3 is installed on the bottom end of the support frame 2 through a through hole, the support plate 3 is installed on the upper end of the base plate 1 through a connecting rod, and a protective shell 4 is movably installed on the outside of the support plate 3. The protective shell 4 is used to protect the building steel bars to avoid splashing of the steel bars during detection. A hydraulic rod 5 is installed on the upper end of the support frame 2. The hydraulic rod 5 is connected to an external hydraulic pump station and is used to generate pressure on the building steel bars. The output end of the hydraulic rod 5 is located inside the support frame 2 and a connecting plate 6 is installed. A detection mechanism is installed on the connecting plate 6. The detection mechanism is used to detect the steel bars required when bending. The pressure is detected, a movable plate 8 is movably installed at the lower end of the connecting plate 6, a connecting pipe 9 is installed in the middle of the lower end of the movable plate 8, an elastic spring 10 is installed at the lower end of the movable plate 8 inside the connecting pipe 9, an electromagnet 11 is installed inside the connecting pipe 9 below the elastic spring 10, and a pressure seat 12 is installed below the connecting pipe 9. By energizing the electromagnet 11, the electromagnet 11 can attract the pressure seat 12 to achieve the installation of the pressure seat 12, which is convenient for replacing pressure seats 12 of different specifications according to the diameter of the steel bar to be detected, and convenient for replacement. The electromagnet 11 is powered by the power supply on the movable plate 8, which is convenient for the electromagnet 11 to be moved and used.

[0022] Specifically, a placement block 13 is installed at the bottom end of the support frame 2, and a groove body 14 is arranged on the upper end of the placement block 13. The groove body 14 is used to bend the bent construction steel bars. Placement grooves 15 are arranged at both ends of the groove body 14. The placement grooves 15 are used to place the steel bars. A notch 16 is arranged at the lower end of the pressure seat 12. There are multiple pressure seats 12, and the sizes of the notches 16 are all different. The notch 16 is used to clamp the steel bars that need to be tested to avoid accidental movement of the steel bars during testing.

[0023] Furthermore, the detection mechanism includes a pressure detector 701, a push rod 702, a contact plate 703, a mounting frame 704 and a display screen 705. Push rods 702 are installed on both sides of the upper end of the movable plate 8. The upper end of the push rod 702 passes through the connecting plate 6. The upper end of the push rod 702 is installed with a contact plate 703. The upper end of the connecting plate 6 above the contact plate 703 is installed with a mounting frame 704. The bottom end of the mounting frame 704 above the contact plate 703 is installed with a pressure detector 701. The front end of the support frame 2 is installed with a display screen 705. The hydraulic rod The connecting plate 6 drives the moving plate 8 to move downward, and the moving plate 8 drives the pressure seat 12 to press the steel bar. At the same time, the moving plate 8 presses the pressure detector 701 through the push rod 702 and the contact plate 703. The pressure detector 701 detects the pressure generated by the moving plate 8 on the building steel bar, and displays the value detected by the pressure detector 701 on the display screen 705, so as to detect the bending strength of the steel bar. The pressure detector 701 is a pressure sensor. The principle of the pressure sensor is a prior art, so it is not described in detail.

[0024] Furthermore, a sleeve 17 is installed on the upper end of the pressure seat 12, and the sleeve 17 is sleeved on the outside of the connecting pipe 9. The pressure seat 12 is made of iron material, and the electromagnet 11 can attract it. The inner diameter of the sleeve 17 matches the diameter of the connecting pipe 9 to prevent the pressure seat 12 from moving during use.

[0025] Furthermore, there is a certain gap between the support frame 2 and the support plate 3, and the protective shell 4 is located inside the gap. Mounting plates 18 are installed at both ends of the protective shell 4, and elastic springs 19 are installed between the lower end of the mounting plate 18 and the bottom end of the support frame 2. When the movable plate 8 moves downward, the movable plate 8 presses the protective shell 4, and the protective shell 4 presses the elastic springs 19 through the mounting plate 18, thereby achieving the descent of the protective shell 4 and realizing the protection of the protective shell 4 against the building steel bars undergoing strength testing.

[0026] Furthermore, the protective shell 4 is made of a transparent plate, and the protective shell 4 is made of an acrylic transparent plate, which is convenient for viewing the inspected building steel bars from the outside.

[0027] The method of using this embodiment is as follows: when in use, each component is connected to a power source and controlled by a control panel. When the strength of the steel bar is tested, the construction steel bar is placed inside the placement slot 15, and then a suitable pressure seat 12 is selected according to the diameter of the steel bar to be tested for strength, and the upper end of the pressure seat 12 and the sleeve 17 are sleeved on the outside of the connecting pipe 9. At the same time, the electromagnet 11 is energized, and the electromagnet 11 attracts the pressure seat 12 to achieve the installation of the pressure seat 12, and the installation efficiency is high. When the strength test is performed, the hydraulic rod 5 is extended to drive the connecting plate 6 and the movable plate 8 to move downward, and the movable plate 8 drives the pressure seat 1 2 contacts with the steel bar, and the steel bar is located inside the groove 16. At the same time, the movable plate 8 presses the pressure detector 701 through the top rod 702 and the contact plate 703. The pressure detector 701 detects the pressure generated by the movable plate 8 on the building steel bar, and displays the value detected by the pressure detector 701 on the display screen 705, so as to detect the bending strength of the steel bar. At the same time, when the movable plate 8 moves downward, the movable plate 8 presses the protective shell 4, and the protective shell 4 presses the elastic spring 19 through the mounting plate 18, so as to realize the lowering of the protective shell 4, so as to realize the protection of the protective shell 4 on the building steel bar undergoing strength detection.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A building steel bar strength detector, comprising a bottom plate (1), characterized in that: The upper end of the base plate (1) is mounted with a support frame (2) through a connecting rod, the lower end of the support frame (2) is mounted with a support plate (3) through a through hole, the support plate (3) is mounted on the upper end of the base plate (1) through a connecting rod, a protective shell (4) is movably mounted on the outside of the support plate (3), a hydraulic rod (5) is mounted on the upper end of the support frame (2), the output end of the hydraulic rod (5) is located inside the support frame (2), a connecting plate (6) is mounted, a detection mechanism is mounted on the connecting plate (6), a moving plate (8) is movably mounted at the lower end of the connecting plate (6), a connecting pipe (9) is mounted in the middle of the lower end of the moving plate (8), an elastic spring (10) is mounted at the lower end of the moving plate (8) inside the connecting pipe (9), an electromagnet (11) is mounted below the elastic spring (10) and located inside the connecting pipe (9), and a pressure seat (12) is mounted below the connecting pipe (9).

2. The building steel bar strength detector according to claim 1, characterized in that: A placement block (13) is installed at the bottom end of the support frame (2), a groove body (14) is arranged at the upper end of the placement block (13), placement grooves (15) are arranged at both ends of the groove body (14), and a notch (16) is arranged at the lower end of the pressure seat (12). The number of the pressure seats (12) is multiple, and the sizes of the notches (16) are all different.

3. The building steel bar strength detector according to claim 1, characterized in that: The detection mechanism comprises a pressure detector (701), a push rod (702), a contact plate (703), a mounting frame (704) and a display screen (705); push rods (702) are mounted on both sides of the upper end of the movable plate (8); the upper end of the push rod (702) passes through the connecting plate (6); the upper end of the push rod (702) is mounted with a contact plate (703); the upper end of the connecting plate (6) above the contact plate (703) is mounted with a mounting frame (704); the inner bottom end of the mounting frame (704) above the contact plate (703) is mounted with a pressure detector (701); and the front end of the support frame (2) is mounted with a display screen (705).

4. The building steel bar strength detector according to claim 1, characterized in that: A sleeve (17) is installed at the upper end of the pressure seat (12), and the sleeve (17) is sleeved on the outside of the connecting pipe (9).

5. The building steel bar strength detector according to claim 1, characterized in that: There is a certain gap between the support frame (2) and the support plate (3), the protective shell (4) is located inside the gap, both ends of the protective shell (4) are installed with mounting plates (18), and a second elastic spring (19) is installed between the lower end of the mounting plate (18) and the bottom end of the support frame (2).

6. The building steel bar strength detector according to claim 1, characterized in that: The protective shell (4) is made of a transparent plate.

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