Building material hardness detection device

Abstract

The utility model discloses a building material hardness detection device, which comprises a working platform, a rotating device, a clamping device, an adjusting device and a hardness detection needle head, the rotating device comprises a turntable and a first motor, the turntable is rotatably arranged on the working platform, the clamping device comprises L-shaped blocks and an adjusting bolt, the plurality of L-shaped blocks are circumferentially and inversely arranged on the turntable, and the adjusting bolt is arranged on the turntable. The adjusting device comprises a second motor and a lead screw, a sliding block is arranged on the lead screw, the hardness detection needle head is arranged at the lower end of the electric telescopic rod, and the outer side of the electric telescopic rod is movably sleeved with a protective cover. The adjusting device can adjust the front-back position of the hardness detection needle head, the electric telescopic rod adjusts the height position of the hardness detection needle head so that the hardness detection needle head can be close to a material needing to be detected, the transparent protection cover covers the detection point, chippings can be prevented from splashing, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building material detection, in particular to a building material hardness detection device. Background Art

[0002] Building materials are a general term for materials used in civil engineering and construction projects. Building materials can also be divided into structural materials, decorative materials and certain special materials. When processing building materials, in order to ensure the quality of building materials, their hardness needs to be tested. Usually, the building materials after testing need to be replaced before subsequent testing can be carried out, which affects the testing efficiency of building materials. In addition, during testing, the materials may be damaged and splashed due to squeezing, posing a safety hazard. In order to solve the above problems, we propose a building material hardness testing device. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In order to overcome the shortcomings of the existing technology, a building material hardness testing device is proposed. A plurality of clamping devices are arranged on the turntable, which can clamp different materials respectively. The material can be replaced for testing under the hardness testing needle by rotating the turntable, thereby improving the testing efficiency. The adjustment device can adjust the front and rear positions of the hardness testing needle. The electric telescopic rod adjusts the height position of the hardness testing needle so as to be close to the material to be tested. The transparent protective cover is arranged outside the testing point to prevent debris from splashing, thereby improving safety.

[0005] (II) Technical solution

[0006] The utility model is realized by the following technical scheme: the utility model proposes a building material hardness detection device, including a working platform, a rotating device, a clamping device, an adjusting device and a hardness detection needle, characterized in that: an inverted L-shaped plate is vertically fixedly arranged on one side of the upper end surface of the working platform, a rectangular groove is opened at the lower end of the horizontal plate of the L-shaped plate, the rotating device includes a turntable and a first motor, the turntable is rotatably arranged on the working platform, the output shaft of the first motor passes through the working platform upward and the end is fixedly connected to the center of the lower end surface of the turntable, the clamping device includes L The L-shaped blocks and adjusting bolts, several of the L-shaped blocks are circumferentially inverted and fixedly arranged on the turntable, the adjusting bolts are vertically threadedly connected to the horizontal blocks of the L-shaped blocks, the adjusting device includes a second motor and a screw rod, the second motor is fixedly arranged in the rectangular groove, the screw rod is rotatably arranged in the rectangular groove and the end thereof is connected to the output shaft of the second motor through a coupling, a slider is arranged on the screw rod, an electric telescopic rod is vertically fixedly arranged at the lower end of the slider, the hardness detection needle is fixedly arranged at the lower end of the electric telescopic rod, and a protective cover is arranged on the outer movable sleeve of the electric telescopic rod.

[0007] Furthermore, legs are fixedly provided at the four corners of the lower end surface of the working platform.

[0008] Furthermore, a bearing is fixedly arranged between the turntable and the working platform.

[0009] Furthermore, a rubber block is fixedly disposed on the lower end of the adjusting bolt.

[0010] Furthermore, the protective cover is made of a transparent plastic plate.

[0011] Furthermore, a spring is provided between the lower end of the protective cover and the hardness detection needle, and the spring is sleeved on the electric telescopic rod.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. There are several clamping devices on the turntable, which can clamp different materials respectively. By rotating the turntable, the material can be changed for testing under the hardness testing needle, thereby improving the efficiency of testing.

[0015] 2. The adjustment device can adjust the front and rear position of the hardness detection needle, and the electric telescopic rod adjusts the height position of the hardness detection needle so as to get close to the material to be tested.

[0016] 3. The transparent protective cover is set outside the detection point to prevent debris from splashing and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a structural schematic diagram of the regulating device in the utility model.

[0019] 1-working platform; 2-rotating device; 3-clamping device; 4-adjusting device; 5-hardness detection needle; 6-L-type plate; 7-electric telescopic rod; 8-protective cover; 9-leg; 10-rubber block; 21-turntable; 22-first motor; 31-L-type block; 32-adjusting bolt; 41-second motor; 42-screw rod; 43-slider; 61-rectangular groove; 81-spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] like Figure 1and Figure 2 The building material hardness detection device shown in the figure includes a working platform 1, a rotating device 2, a clamping device 3, an adjusting device 4 and a hardness detection needle 5, and is characterized in that: an inverted L-shaped plate 6 is vertically fixedly arranged on one side of the upper end surface of the working platform 1, and a rectangular groove 61 is opened at the lower end of the horizontal plate of the L-shaped plate 6. The rotating device 2 includes a turntable 21 and a first motor 22, and the turntable 21 is rotatably arranged on the working platform 1. The output shaft of the first motor 22 passes through the working platform 1 upward and the end is fixedly connected to the center of the lower end surface of the turntable 21. The clamping device 3 includes an L-shaped block 31 and an adjusting bolt 32. A plurality of the L-shaped The block 31 is fixedly arranged inverted on the turntable 21 in the circumferential direction, the adjusting bolt 32 is vertically threadedly connected to the horizontal block of the L-shaped block 31, the adjusting device 4 includes a second motor 41 and a screw rod 42, the second motor 41 is fixedly arranged in the rectangular groove 61, the screw rod 42 is rotatably arranged in the rectangular groove 61 and the end thereof is connected to the output shaft of the second motor 41 through a coupling, a slider 43 is arranged on the screw rod 42, an electric telescopic rod 7 is vertically fixedly arranged at the lower end of the slider 43, the hardness detection needle 5 is fixedly arranged at the lower end of the electric telescopic rod 7, and a protective cover 8 is arranged on the outer movable sleeve of the electric telescopic rod 7.

[0022] Among them, legs 9 are fixedly provided at the four corners of the lower end surface of the working platform 1; bearings are fixedly provided between the turntable 21 and the working platform 1; a rubber block 10 is fixedly provided at the lower end of the adjusting bolt 32; the protective cover 8 is made of a transparent plastic plate; a spring 81 is provided between the lower end of the protective cover 8 and the hardness detection needle 5, and the spring 81 is sleeved on the electric telescopic rod 7.

[0023] The building material hardness detection device mentioned in the utility model, when in specific use, is provided with a clamping device 3 circumferentially on the turntable 21, and the clamping device 3 includes an L-shaped block 31 and an adjusting bolt 32. A plurality of L-shaped blocks 31 are inverted and fixedly arranged on the turntable 21, and the adjusting bolt 32 is vertically threadedly connected to the horizontal block of the L-shaped block 31. The material is placed on the inner side of the L-shaped block 31, and the adjusting bolt 32 is turned to press the material to fix it. The lower end of the adjusting bolt 32 is fixedly provided with a rubber block 10, which can increase the friction force and improve the fixing effect. The first motor 22 is started to drive the turntable 21 to rotate, and the replaceable material is tested under the hardness detection needle 5, thereby improving the detection efficiency.

[0024] The adjusting device 4 includes a second motor 41 and a screw rod 42. The second motor 41 is fixedly arranged in the rectangular groove 61. The screw rod 42 is rotatably arranged in the rectangular groove 61 and its end is connected to the output shaft of the second motor 41 through a coupling. A slider 43 is arranged on the screw rod 42. The lower end of the slider 43 is vertically fixed with an electric telescopic rod 7. The hardness detection needle 5 is fixedly arranged at the lower end of the electric telescopic rod 7. The second motor 41 is started to drive the screw rod 42 to rotate. The slider 43 performs a reciprocating linear motion on the screw rod 42 to adjust the front and rear position of the hardness detection needle 5. The electric telescopic rod 7 is extended and retracted to adjust the height position of the hardness detection needle 5 to be close to the material to be detected. The outer movable sleeve of the electric telescopic rod 7 is provided with a protective cover 8. The transparent protective cover 8 is set at the detection point, which can not only prevent debris from splashing, but also observe the operation, thereby improving safety.

[0025] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary personnel in the field to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents of the present invention for protection have been fully recorded in the claims.

Claims

1. A building material hardness testing device, comprising a working platform (1), a rotating device (2), a clamping device (3), an adjusting device (4) and a hardness testing needle (5), characterized in that: An inverted L-shaped plate (6) is vertically fixedly arranged on one side of the upper end surface of the working platform (1), and a rectangular groove (61) is provided at the lower end of the horizontal plate of the L-shaped plate (6). The rotating device (2) comprises a turntable (21) and a first motor (22). The turntable (21) is rotatably arranged on the working platform (1). The output shaft of the first motor (22) passes through the working platform (1) upward and the end thereof is fixedly connected to the center of the lower end surface of the turntable (21). The clamping device (3) comprises an L-shaped block (31) and an adjusting bolt (32). A plurality of the L-shaped blocks (31) are circumferentially inverted and fixedly arranged on the turntable (21). The adjusting bolt (32) ) is vertically threadedly connected to the horizontal block of the L-shaped block (31), the adjusting device (4) comprises a second motor (41) and a screw rod (42), the second motor (41) is fixedly arranged in the rectangular groove (61), the screw rod (42) is rotatably arranged in the rectangular groove (61) and the end of the screw rod (42) is connected to the output shaft of the second motor (41) through a coupling, a slider (43) is arranged on the screw rod (42), an electric telescopic rod (7) is vertically fixedly arranged at the lower end of the slider (43), the hardness detection needle (5) is fixedly arranged at the lower end of the electric telescopic rod (7), and a protective cover (8) is arranged on the outer movable sleeve of the electric telescopic rod (7).

2. The building material hardness detection device according to claim 1, characterized in that: Support legs (9) are fixedly arranged at the four corners of the lower end surface of the working platform (1).

3. The building material hardness detection device according to claim 1, characterized in that: A bearing is fixedly arranged between the turntable (21) and the working platform (1).

4. The building material hardness detection device according to claim 1, characterized in that: A rubber block (10) is fixedly disposed at the lower end of the adjusting bolt (32).

5. The building material hardness detection device according to claim 1, characterized in that: The protective cover (8) is made of a transparent plastic plate.

6. The building material hardness detection device according to claim 1, characterized in that: A spring (81) is provided between the lower end of the protective cover (8) and the hardness detection needle (5), and the spring (81) is sleeved on the electric telescopic rod (7).

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