CN218481353U - Engineering building material hardness detection device - Google Patents

Abstract

The utility model discloses a hardness detection device for engineering building materials, which comprises an electric control box, a top plate, a mounting frame, a slide plate, an electric telescopic rod, a contact head and a support platform. The top of the electric control box is fixedly connected with a top plate, and the top of the top plate is fixed. It is connected with a mounting frame, and the inside of the mounting frame is symmetrically provided with a chute, and a skateboard is slidably connected between the two chute, and the top of the skateboard is symmetrically fixed and connected with two electric telescopic rods, and the bottom ends of the two electric telescopic rods run through the skateboard And the connection plate is fixedly connected. The utility model can place three groups of materials at the same time through the three sets of pallets set on the top plate, and cooperate with the contact head to detect them at the same time. The height of the connection plate can be adjusted by the electric telescopic rod. Testing is carried out so that the stress of the three groups of materials is consistent, and the scratch resistance of the material surface and the deformation stress of the overall material can be tested at the same time. Not only is the efficiency high, but it is also convenient for comparison, which is conducive to improving the effect of equipment use .

Description

A device for testing hardness of engineering building materials

technical field

The utility model relates to a hardness detection device, in particular to a hardness detection device for engineering building materials, which belongs to the technical field of building material detection equipment.

Background technique

Engineering construction refers to engineering facilities built with building materials and used for all production, living and environmental governance. Hardness refers to the ability of the material surface to resist plastic deformation caused by scratching or pressing in by harder objects. When carrying out construction projects, In order to ensure the strength and hardness of buildings, it is necessary to test the hardness of building materials to avoid that the strength of some building materials does not meet the requirements. Patent No. 202121990018.2 discloses a hardness testing device for municipal engineering building materials, including the base. The top of the base is fixed with a fuselage, the left side of the fuselage is fixed with a dial, the bottom of the fuselage is fixed with an indenter, the inside of the base is slidably connected with a threaded rod, and the top of the base is rotatably connected with a Turntable, the top of the turntable is fixed with a threaded sleeve, and the threaded sleeve is connected to the threaded rod through the internal thread. The top of the threaded rod is fixed with a square workbench, and the inside of the square workbench is equipped with Clamping device, although the adaptive clamping device of this scheme can fix the material to be tested on the square workbench, the elastic pressure plate can clamp materials of different sizes and shapes, which expands the detection range of the hardness testing device. The measurement accuracy of the hardness testing device is improved, but it can only detect a single material when it is used, which is not only slow in efficiency, but also inconvenient for intuitive comparison. At the same time, the existing hardness testing device cannot simultaneously test the resistance of the material surface The deformation stress of the plan and the overall material is detected, which leads to its poor use effect.

Invention content:

The purpose of this utility model is to provide a hardness testing device for engineering building materials in order to solve the above problems, which solves the problems mentioned in the background technology.

In order to solve the above problems, the utility model provides a technical solution:

A hardness testing device for engineering building materials, comprising an electric control box, a top plate, a mounting frame, a slide plate, an electric telescopic rod, a connecting plate, a contact head and a pallet, the top of the electric control box is fixedly connected with a top plate, and the top of the top plate The top is fixedly connected with a mounting frame, and the interior of the mounting frame is symmetrically provided with a chute, and a sliding plate is slidably connected between the two chute, and the top of the sliding plate is symmetrically fixedly connected with two electric telescopic rods. The bottom ends of the electric telescopic rods all pass through the slide plate and are fixedly connected with a connecting plate. The bottom of the connecting plate is equidistantly fixedly connected with three fixed sleeves, and the inside of each fixed sleeve is fixedly connected with a slider. The bottom end of the slider extends to the outside of the fixed sleeve and is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly connected with a mounting sleeve, and the inside of the mounting sleeve is detachably connected with a contact head.

As a preferred solution of the present utility model, a motor is fixedly connected to the outside of the mounting frame, and a lead screw is threaded inside the slide plate between two electric telescopic rods, and one end of the lead screw is connected to the mounting frame. One side of the inner wall is connected in rotation, and the other end of the lead screw is fixedly connected with the output end of the motor.

As a preferred solution of the present utility model, two auxiliary rods are symmetrically slidably connected to the inside of the skateboard and outside the two electric telescopic rods, and the two ends of the two auxiliary rods are connected to both sides of the inner wall of the mounting frame. Fixed connection.

As a preferred solution of the present invention, a spring is provided inside each of the fixing sleeves, and the two ends of the springs are in contact with the top of the slider at the top of the inner wall of the fixing sleeve respectively.

As a preferred solution of the present utility model, a pressure display screen is fixedly connected to the outside of the electric control box, and an operation panel is fixedly connected to the outside of the electric control box and on one side of the pressure display screen. The telescopic rod, the pressure sensor and the pressure display are respectively electrically connected to the operation panel through wires.

The beneficial effects of the utility model are: through the three sets of pallets set on the top plate, the three sets of materials can be placed simultaneously, and can be detected simultaneously with the contact head, and the height of the connecting plate can be detected through the electric telescopic rod , so that the stress of the three groups of materials is consistent, and the scratch resistance of the material surface and the deformation stress of the overall material can be detected at the same time, which is not only efficient, but also convenient for comparison, which is conducive to improving the effect of equipment use.

Description of drawings:

For ease of illustration, the utility model is described in detail by the following specific implementation and accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the enlarged view of place A in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the fixing sleeve of the present invention.

In the figure: 1. Electric control box; 2. Top plate; 3. Mounting frame; 4. Chute; 5. Skateboard; 6. Lead screw; 7. Motor; 8. Auxiliary rod; 9. Electric telescopic rod; 11. Fixed sleeve; 12. Slider; 13. Spring; 14. Pressure sensor; 15. Mounting sleeve; 16. Contact head; 17. Holder; 18. Pressure display screen;

Detailed ways:

As shown in Figures 1-3, this embodiment adopts the following technical solutions:

Example:

A device for testing the hardness of engineering building materials, comprising an electric control box 1, a top plate 2, a mounting frame 3, a slide plate 5, an electric telescopic rod 9, a connecting plate 10, a contact head 16 and a pallet 17, the top of the electric control box 1 is fixedly connected There is a top plate 2, which can play the role of bearing pressure, thereby preventing the electric control box 1 from being partially compressed and collapsed. The top of the top plate 2 is fixedly connected with the installation frame 3, and the interior of the installation frame 3 is symmetrically provided with a chute 4, two chute 4 There is a slide plate 5 slidingly connected between them, and the slide plate 5 and the contact head 16 can be moved to make it move on the material. The top of the slide plate 5 is symmetrically fixedly connected with two electric telescopic rods 9, and the bottom of the two electric telescopic rods 9 Both ends of the sliding plate 5 are fixedly connected with the connecting plate 10, and the height of the connecting plate 10 can be detected through the electric telescopic rod 9, so that the stress of the three groups of materials is consistent. The bottom of the connecting plate 10 is equidistantly fixedly connected with three fixed Sleeve 11, the inside of each fixed sleeve 11 is fixedly connected with a slider 12, the bottom end of the slider 12 extends to the outside of the fixed sleeve 11 and is fixedly connected with a pressure sensor 14, the bottom of the pressure sensor 14 is fixedly connected with a mounting The sleeve 15 is detachably connected with the contact head 16 inside the installation sleeve 15, which can simultaneously detect the scratch resistance of the material surface and the deformation stress of the overall material, which is not only efficient, but also convenient for comparison, which is conducive to improving The effect of equipment usage.

Further, a motor 7 is fixedly connected to the outside of the installation frame 3 , and a lead screw 6 is threaded inside the slide plate 5 and between two electric telescopic rods 9 , and one end of the lead screw 6 is rotatably connected to one side of the inner wall of the installation frame 3 , the other end of the lead screw 6 is fixedly connected with the output end of the motor 7, which can drive the slide plate 5 to move longitudinally, so that the contact head 16 can move on the material.

Further, two auxiliary rods 8 are symmetrically slidably connected to the inside of the skateboard 5 and outside the two electric telescopic rods 9. 5's movement is assisted and pressure-bearing, which is conducive to improving the stability of use.

Further, each fixed sleeve 11 is provided with a spring 13 inside, and the two ends of the spring 13 are respectively in contact with the top of the inner wall of the fixed sleeve 11 and the top of the slider 12, so that the slider 12 and the fixed sleeve 11 can Internal retraction.

Further, the outside of the electric control box 1 is fixedly connected with a pressure display screen 18, and the outside of the electric control box 1 and one side of the pressure display screen 18 are fixedly connected with an operation panel 19, a motor 7, an electric telescopic rod 9, and a pressure sensor 14 and the pressure display screen 18 are respectively electrically connected to the operation panel 19 through wires, and the pressure can be displayed, and the equipment can be centrally controlled through the operation panel 19, thereby facilitating the operation of the staff.

Specifically, when using the hardness testing device, the materials to be tested are placed on the corresponding two pallets 17, and then the contact head 16 is installed inside the installation sleeve 15, and the device is started through the operation panel 19, Now the electric telescopic rod 9 drives the connecting plate 10 to move down, so that the contact head 16 is in contact with the material at its bottom, and the pressure sensor 14 starts to work under the pressure of the contact head 16, and the pressure value can be checked by the pressure display screen 18. Check, when the pressure value reaches the detection rated value, close the electric telescopic rod 9, because there is pressure between the contact head 16 and the material, at this time, the slider 12 retracts to the inside of the fixed sleeve 11 and squeezes the spring 13, if the current material If the deformation stress of the material is stable, the slider 12 will all move to the inside of the fixed sleeve 11. If the deformation stress of the material is poor, the material will be deformed under the extrusion of the contact head 16, and the motor 7 will drive the lead screw 6 to rotate. When the lead screw 6 drives the slide plate 5 to slide inside the chute 4, the slide plate 5 moves outside the auxiliary rod 8 during the sliding process, and the chute 4 cooperates with the auxiliary rod 8 to ensure the stability of the slide plate 5 movement. The middle contact head 16 slides on the surface of the material to detect the scratch resistance of the material surface. After the test is completed, the electric telescopic rod 9 drives the connecting plate 10 to move upward, so that the contact head 16 is separated from the material, and the material is taken out. The hardness of the material can be judged by comparing the degree of bending and the degree of scratches.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides an engineering building material hardness detection device, its characterized in that, includes electric cabinet (1), roof (2), mounting bracket (3), slide (5), electric telescopic handle (9), connecting plate (10), contact head (16) and saddle (17), top fixedly connected with roof (2) of electric cabinet (1), top fixedly connected with mounting bracket (3) of roof (2), spout (4) have been seted up to the internal symmetry of mounting bracket (3), two sliding connection has slide (5) between spout (4), two electric telescopic handle (9) of the top symmetry fixedly connected with of slide (5), two slide (5) and fixedly connected with connecting plate (10) all are run through to the bottom of electric telescopic handle (9), the three fixing sleeve (11) of the bottom equidistance fixedly connected with of connecting plate (10), every the inside equal fixedly connected with slider (12) of fixing sleeve (11), the bottom of slider (12) extends to fixing sleeve (11) outside and fixedly connected with pressure sensor (14), the bottom fixedly connected with of pressure sensor (14) installs sleeve (15), the internal connection of detachable contact head (16) can dismantle contact head (15).

2. The engineering and building material hardness detection device according to claim 1, wherein a motor (7) is fixedly connected to the outside of the mounting frame (3), a lead screw (6) is connected to the inside of the sliding plate (5) and between the two electric telescopic rods (9) in a threaded manner, one end of the lead screw (6) is rotatably connected to one side of the inner wall of the mounting frame (3), and the other end of the lead screw (6) is fixedly connected to the output end of the motor (7).

3. The engineering and building material hardness detection device according to claim 1, wherein two auxiliary rods (8) are symmetrically and slidably connected to the inside of the sliding plate (5) and the outside of the two electric telescopic rods (9), and both ends of the two auxiliary rods (8) are fixedly connected to both sides of the inner wall of the mounting frame (3).

4. The hardness detection device for engineering and construction materials according to claim 1, wherein a spring (13) is arranged inside each fixed sleeve (11), and two ends of the spring (13) are respectively in contact with the top of the sliding block (12) at the top of the inner wall of the fixed sleeve (11).

5. The device for detecting the hardness of the engineering and construction material according to claim 2, wherein a pressure display screen (18) is fixedly connected to the outside of the electric cabinet (1), an operation panel (19) is fixedly connected to one side of the pressure display screen (18) and the outside of the electric cabinet (1), and the motor (7), the electric telescopic rod (9), the pressure sensor (14) and the pressure display screen (18) are electrically connected to the operation panel (19) through wires respectively.

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