Constructional engineering material hardness detection equipment
By combining the design of the needle holder, ejector pin, coarse adjustment handwheel, and test table, the problem of slippage of irregular workpieces during hardness testing is solved, and the centering and clamping of the workpiece is achieved, thus improving the testing accuracy and safety.
Patent Information
- Application Number
- CN202423249086.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing hardness testing equipment for building materials is prone to pin slippage when testing irregular workpieces, leading to inaccurate testing and potential safety hazards.
The design employs a combination of needle holder, ejector pin, coarse adjustment handwheel, base, and test table. Through fixture components such as T-slots and triangular clamps, the workpiece is centered and clamped, ensuring that the ejector pin is perpendicular to the center of the test table.
It effectively prevents workpiece slippage, ensures testing accuracy, improves safety, and avoids splashing and safety accidents during the testing process.
Smart Images

Figure CN223870467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hardness detection appliance, especially relates to a building engineering material hardness detection equipment. BACKGROUND
[0002] Hardness tester is often used to test the hardness of various metal materials, and the main components of the existing building engineering material hardness detection equipment include a thimble, a control panel, a workbench, a tester main body and the like, in the use process of the hardness tester, the workpiece shape is often irregular, and the test bench is a horizontal plane, the thimble needs to press the workpiece surface during testing, so as to facilitate the hardness testing of the material, since the workpiece surface is irregular and the thimble is easy to slip on the workpiece due to the pressure on the workpiece, the hardness testing of the workpiece is seriously affected, and the workpiece slip is easy to splash and other conditions, which also hides hidden dangers for safety accidents of the workpiece during testing, therefore, the above technical problems need to be solved and handled. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at solving the shortcomings in the prior art and provides a building engineering material hardness detection equipment.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a building engineering material hardness detection equipment, including the body, the lower end of the body is a workbench, and the upper end is a detector, a control panel is installed on the front end face upper end of the detector, a fine adjustment hand wheel is installed on the middle part of one side of the body, an installation plate is arranged at the lower end of the fine adjustment hand wheel, and the installation plate is installed on one side of the rear end of the workbench.
[0005] Preferably, an indicating lamp is installed on one side of the front end of the installation plate, an emergency stop button is arranged at the rear end of the indicating lamp, a switch is arranged at the rear end of the emergency stop button, and the emergency stop button and the switch are both installed on the side surface of the installation plate.
[0006] Preferably, a needle holder is installed on the inner top surface of the detector, a thimble is arranged at the lower end of the needle holder, an installation hole is formed in the bottom surface of the needle holder, and the installation hole at the lower end of the needle holder is movably connected with the bottom surface of the thimble.
[0007] Preferably, a base is installed on the top surface of the front end of the workbench, a movable slot is formed in the middle part of the top surface of the base, a clamping groove is formed in the inner wall of the movable slot, an installation opening is formed in the middle part of the bottom surface of the base, an internal thread groove is formed in the inner wall of the installation opening, a coarse adjustment hand wheel is arranged at the upper end of the workbench, an annular buckle is fixedly connected to the bottom surface of the coarse adjustment hand wheel, the annular buckle is rotatably connected to the clamping groove, the coarse adjustment hand wheel is in abutment with the base, and an internal thread hole is formed in the middle part of the top surface of the coarse adjustment hand wheel.
[0008] Preferably, a test table is vertically arranged in the middle of the coarse adjustment hand wheel, the lower end of the test table is a cylindrical screw rod structure, the upper end is a disc structure, and the test table is in threaded connection with the coarse adjustment hand wheel and the base.
[0009] Preferably, a plurality of equidistant T-shaped grooves are arranged on the periphery of the top surface of the test table, a limiting block is arranged in the T-shaped groove, a screw rod is fixedly connected to the top surface of the limiting block, a plurality of equidistant triangular clamping plates are arranged on the periphery of the top surface of the test table, the upper end of the screw rod penetrates through the triangular clamping plate, a nut is arranged in the triangular clamping plate, and the triangular clamping plate is installed on the top surface of the test table through the screw rod and the nut.
[0010] Compared with the prior art, the utility model has the advantages that: in the utility model, the needle holder, the ejector pin, the coarse adjustment hand wheel, the base and the test table are axially installed, so that the ejector pin is always perpendicular to the center of the test table, a plurality of T-shaped grooves are arranged on the top surface of the test table, a clamping assembly is installed, the clamping assembly comprises a triangular clamping plate, a T-shaped screw rod and a nut, the test workpiece is clamped through the clamping assembly, the movement of the workpiece is limited, and the workpiece is centered, so that the problems of slippage during workpiece testing and the inability to center the workpiece during testing of the inner workpiece of the spherical ball are solved. BRIEF DESCRIPTION OF DRAWINGS
[0011] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and help to explain the utility model. The specific embodiments of the utility model and its description are used to explain the utility model and do not constitute an improper limitation on the utility model. In the drawings:
[0012] Figure 1 It is an overall structure three-dimensional schematic view of the utility model;
[0013] Figure 2 It is a partial structure three-dimensional schematic view of the utility model;
[0014] Figure 3 It is a partial structure sectional view schematic view of the utility model;
[0015] Figure 4 It is a partial structure sectional view schematic view of the utility model; Figure 2 It is an enlarged schematic view of the structure of the middle A part of the utility model.
[0016] In the drawing, serial number: 1, machine body; 2, control panel; 3, fine adjustment hand wheel; 4, mounting plate; 5, indicator light; 6, emergency stop button; 7, switch; 8, ejector pin; 9, needle holder; 10, coarse adjustment hand wheel; 11, base; 12, test table; 13, triangular clamping plate; 14, screw rod; 15, nut. DETAILED DESCRIPTION
[0017] Clearly, the described embodiments are merely part of the embodiments of the utility model, rather than all the embodiments.
[0018] Embodiment: refer to Figures 1-4 The utility model discloses a building engineering material hardness detection equipment, including body 1, the lower end of body 1 is the workbench, and the upper end is the detector, and the front end face upper end of detector is installed with control panel 2, and one side middle part of body 1 is installed with fine adjustment hand wheel 3, and the lower end of fine adjustment hand wheel 3 is equipped with mounting plate 4, and mounting plate 4 is installed at the one side rear end of workbench, and the one side front end of mounting plate 4 is installed with pilot lamp 5, and the rear end of pilot lamp 5 is equipped with emergency stop button 6, and the rear end of emergency stop button 6 is equipped with switch 7, and emergency stop button 6 and switch 7 are all installed on the side of mounting plate 4, and the inner top of detector is installed with needle holder 9, and the lower end of needle holder 9 is equipped with thimble 8, and the bottom of needle holder 9 is seted up with mounting hole, and the bottom of thimble 8 and the mounting hole of the lower end of needle holder 9 are swingly hinged, and through the U type structure of body 1, the measuring device and test table 12 can be installed in the same horizontal position, through control panel 2, the workpiece clamped can be tested through thimble 8 and the measurement value is displayed, through fine adjustment hand wheel 3, thimble 8 can slowly approach the surface of workpiece, through pilot lamp 5 and emergency stop button 6, the error of measuring instrument during measurement can be observed through pilot lamp 5 and the emergency stop button 6 is pressed in time, so as to ensure the safety of instrument, through switch 7, the start or close of the power supply of instrument can be controlled, through needle holder 9, thimble 8 can be replaced and installed.
[0019] In the utility model, the front end of the top of workbench is installed with base 11, the middle part of the top of base 11 is seted up with movable slot, the inner wall of movable slot is seted up with clamping slot, and the middle part of the bottom of base 11 is seted up with installation port, and the inner wall of installation port is seted up with internal thread groove, and the upper end of workbench is equipped with coarse adjustment hand wheel 10, the bottom of coarse adjustment hand wheel 10 is fixedly connected with annular buckle, the annular buckle is rotatably connected in clamping slot, and the coarse adjustment hand wheel 10 is in abutment with base 11, and the middle part of the top of coarse adjustment hand wheel 10 is seted up with internal thread hole.
[0020] In the utility model, the middle part of coarse adjustment hand wheel 10 is vertically provided with test table 12, the lower end of test table 12 is cylindrical screw rod structure, the upper end is disc structure, and test table 12 is screw connected with coarse adjustment hand wheel 10 and base 11;A plurality of equidistance T-shaped grooves are formed on the top circumferential side of test table 12, a limiting block is arranged in the T-shaped groove, a screw rod 14 is fixedly connected to the middle part of the top surface of the limiting block, a plurality of equidistance triangular clamping plates 13 are arranged on the top circumferential side of test table 12, the upper end of screw rod 14 penetrates triangular clamping plate 13, a nut 15 is arranged in triangular clamping plate 13, and triangular clamping plate 13 is installed on the top surface of test table 12 through screw rod 14 and nut 15;Through the movable connection of base 11 and coarse adjustment hand wheel 10, coarse adjustment hand wheel 10 is conveniently rotated to adjust the horizontal rising or falling of test table 12, the T-shaped groove formed on the top surface of test table 12 is convenient for installing the fixture assembly, and the T-shaped screw rod 14, triangular clamping plate 13 and nut 15 form an integral whole, so that the test workpiece can be clamped and positioned, and the workpiece is fixed on the workbench on the top surface of test table 12.
[0021] Working principle: when the utility model is used, first, the hardness tester is started by opening switch 7, the control panel 2 is powered on, the workpiece is placed on the workbench on the top surface of test table 12, then the fixture assembly is adjusted, the workpiece is fixed in the middle of the workbench to facilitate hardness testing, coarse adjustment hand wheel 10 is rotated to slowly raise the screw-connected test table 12 to approach the stylus 8, when the workpiece on the workbench is about to contact the stylus 8, stop rotating coarse adjustment hand wheel 10, start rotating fine adjustment hand wheel 3, slowly move the stylus 8 until it contacts the workpiece, and start hardness testing of the workpiece through the control panel 2;When the test fails, the indicator light 5 starts to flash, and the test is terminated immediately by pressing the emergency stop button 6;After normal testing is completed, the control panel 2 reads the hardness test value, and after hardness testing is completed, coarse adjustment hand wheel 10 is rotated in reverse, test table 12 is slowly lowered, and the fixture assembly on the workbench is loosened to remove the tested workpiece.
[0022] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A hardness testing device for building materials, comprising a body (1), characterized in that: The lower end of the machine body (1) is a workbench, and the upper end is a detector. A control panel (2) is installed on the upper end of the front face of the detector, and a fine adjustment handwheel (3) is installed in the middle of one side of the machine body (1). A mounting plate (4) is provided at the lower end of the fine adjustment handwheel (3), and the mounting plate (4) is installed at the rear end of one side of the workbench.
2. The hardness testing equipment for building materials according to claim 1, characterized in that: An indicator light (5) is installed on the front end of one side of the mounting plate (4). An emergency stop button (6) is provided at the rear end of the indicator light (5). A switch (7) is provided at the rear end of the emergency stop button (6). Both the emergency stop button (6) and the switch (7) are installed on the side of the mounting plate (4).
3. The hardness testing equipment for building materials according to claim 1, characterized in that: The detector has a needle holder (9) installed on its top surface. The needle holder (9) has a pin (8) at its lower end and a mounting hole is provided on the bottom surface of the needle holder (9). The bottom surface of the pin (8) is hinged to the mounting hole at the lower end of the needle holder (9).
4. The hardness testing equipment for building materials according to claim 1, characterized in that: A base (11) is installed at the front end of the top surface of the workbench. A movable groove is provided in the middle of the top surface of the base (11). A slot is provided in the inner wall of the movable groove. An installation port is provided through the middle of the bottom surface of the base (11). An internal thread groove is provided in the inner wall of the installation port. A coarse adjustment handwheel (10) is provided at the top of the workbench. A ring buckle is fixed to the bottom surface of the coarse adjustment handwheel (10). The ring buckle is placed in the slot and rotated. The coarse adjustment handwheel (10) abuts against the base (11). An internal thread hole is provided in the middle of the top surface of the coarse adjustment handwheel (10).
5. The hardness testing equipment for building materials according to claim 4, characterized in that: The coarse adjustment handwheel (10) is vertically provided with a test platform (12) in the middle. The lower end of the test platform (12) is a cylindrical screw structure, and the upper end is a disc structure. The test platform (12) is threadedly connected to the coarse adjustment handwheel (10) and the base (11).
6. The hardness testing equipment for building materials according to claim 5, characterized in that: The test platform (12) has multiple equidistant T-slots on its top surface. Each T-slot contains a limiting block. A screw (14) is fixed to the center of the top surface of the limiting block. The test platform (12) also has multiple equidistant triangular clamps (13) on its top surface. The upper end of the screw (14) passes through the triangular clamps (13). A nut (15) is provided inside the triangular clamps (13). The triangular clamps (13) are mounted on the top surface of the test platform (12) via the screw (14) and the nut (15).