Building material detection equipment

Abstract

The utility model discloses building material detection equipment which comprises a working table, a central through groove penetrating through the working table is formed in the center of the working table, the central through groove is square, a support is arranged on the upper surface of the working table and located on the periphery of the central through groove, the support is in an inverted L shape, and the upper surface of the working table is provided with a through hole. The horizontal part of the support is provided with a screw rod penetrating through the support; the screw rod is perpendicular to the horizontal part of the support and is in threaded connection with the support, a screwing handle is arranged at the upper end of the screw rod, a pressing plate is arranged at the lower end of the screw rod, and an anti-skid pad is arranged on the lower surface of the pressing plate. According to the concrete block protection device, the protection plates on the two sides can be rotated to be vertical, an operator stands behind the protection plates, and when a concrete block is broken, the protection plates can block flying-out chippings; the whole equipment is simple and convenient to operate, the concrete block hardly displaces in the extrusion process, the detection result is scientific and accurate, and the detection process is relatively safe.

Description

Technical Field

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

[0002] Concrete refers to an artificial stone made of cement as the main cementitious material, mixed with water, sand, gravel (chemical admixtures and mineral admixtures are added when necessary) in appropriate proportions, and then evenly stirred, compacted into shape, and cured and hardened. During the research and development and use of concrete, trial samples are usually required to undergo basic compressive strength tests; some existing concrete blocks are not firmly fixed during the extrusion process, and the displacement of the concrete blocks during the extrusion process will affect the accuracy of the test.

[0003] In view of the above problems, the present utility model is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a building material testing device to solve the problems mentioned in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0006] The utility model provides a building material testing device, comprising a workbench, wherein a central through slot penetrating the workbench is arranged in the center of the workbench, wherein the central through slot is square, wherein a support is arranged around the upper surface of the workbench at the periphery of the central through slot, wherein the support is in an inverted "L" shape, and wherein a screw penetrating the support is arranged at a horizontal portion of the support;

[0007] The screw is perpendicular to the horizontal part of the support, the screw is threadedly connected to the support, a screw handle is provided at the upper end of the screw, a pressing plate is provided at the lower end of the screw, and an anti-slip pad is provided on the lower surface of the pressing plate;

[0008] A main support is arranged on the upper surface of the workbench, and the main support is in an inverted "L" shape. A hydraulic rod is vertically arranged on the horizontal part of the main support. The piston rod of the hydraulic rod faces downward and a support plate is arranged at the end of the piston rod. An extrusion head is arranged on the lower surface of the support plate, and the extrusion head is plugged into the support plate. A pressure sensor is arranged on the upper surface of the extrusion head.

[0009] Preferably, there are three screws on each support, and the three screws are evenly arranged on the support at equal intervals.

[0010] Preferably, there are four hydraulic rods, which are symmetrically distributed on the horizontal part of the main support.

[0011] Preferably, two sliders are symmetrically arranged on the upper surface of the extrusion head, the support plate is provided with a through groove adapted to the slider, the slider is slidably installed in the through groove, and a limit plate is provided on the upper surface of the slider, and the length and width of the limit plate are both greater than the length and width of the through groove.

[0012] Preferably, the extrusion head is in the shape of an elongated strip, the length of the extrusion head is consistent with the length of the central through slot, and the lower surface of the extrusion head is in the shape of an arc.

[0013] Preferably, two protective plates are symmetrically arranged on the upper surface of the workbench, the two protective plates are symmetrically located on both sides of the central through groove, and the protective plates are rotatably connected to the workbench.

[0014] Preferably, an industrial control display screen is also provided on the workbench, and the pressure sensor signal is connected to the industrial control display screen.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The concrete sample block is placed on the workbench and is located directly above the central through slot. The screw rod can be driven downward by holding the screw handle and rotating it, so that the pressing plate can fit on the upper surface of the concrete sample block, and the pressing plate can firmly fix the concrete block sample. The hydraulic rod extends out to drive the support plate to move downward, and the extrusion head moves downward with the support plate. When the lower surface of the extrusion head begins to contact the upper surface of the concrete sample block, the extrusion head will move upward toward the support plate until the pressure sensor fits on the lower surface of the support plate, and the relative movement between the extrusion head and the support plate stops. At this time, the extrusion head and the support plate move downward together with the extension of the hydraulic rod, that is, the extrusion head continues to extrude the concrete sample block, and the industrial control display screen displays the pressure value in real time until the concrete block is fractured. During the above-mentioned extrusion process, the protective plates on both sides can be rotated to a vertical state, and the operator stands behind the protective plates. When the concrete block breaks, the protective plates can block the flying debris. The entire equipment is simple and convenient to operate. During the extrusion process, the concrete block has almost no displacement, the test results are scientific and accurate, and the test process is relatively safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the workbench of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the screw of the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the extrusion head of the utility model.

[0020] In the figure: 1. workbench; 11. center through slot; 12. main bracket; 13. hydraulic rod; 14. support plate; 15. industrial control display screen; 2. support; 21. screw; 22. screw handle; 23. pressure plate; 24. anti-slip pad; 3. extrusion head; 31. slider; 32. limit plate; 33. pressure sensor; 4. protective plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] like Figure 1-3 As shown, a building material testing device comprises a workbench 1, a central through slot 11 penetrating the workbench 1 is arranged in the center of the workbench 1, the central through slot 11 is square, a support 2 is arranged around the upper surface of the workbench 1 located at the central through slot 11, a concrete block for testing is fixed in the support 2, the concrete block is located just above the central through slot 11, the support 2 is an inverted "L" shape, and a screw 21 penetrating the support 2 is arranged at the horizontal part of the support 2;

[0024] The screw rod 21 is perpendicular to the horizontal part of the support 2, and the screw rod 21 is threadedly connected to the support 2. A screw handle 22 is provided at the upper end of the screw rod 21, and a pressing plate 23 is provided at the lower end of the screw rod 21. The lower surface of the pressing plate 23 is provided with an anti-skid pad 24. The screw rod 21 can move downward or upward by holding the screw handle 22 and rotating it. The pressing plate 23 can fit on the surface of the concrete to fix the concrete block. The anti-skid pad 24 can increase the friction force to prevent the concrete block from moving.

[0025] A main support 12 is arranged on the upper surface of the workbench 1, and the main support 12 is an inverted "L" shape. A hydraulic rod 13 is vertically arranged on the horizontal part of the main support 12. The piston rod of the hydraulic rod 13 faces downward and a support plate 14 is arranged at the end of the piston rod. An extrusion head 3 is arranged on the lower surface of the support plate 14, and the extrusion head 3 is plugged into the support plate 14. A pressure sensor 33 is arranged on the upper surface of the extrusion head 3. The extension and retraction of the hydraulic rod 13 can drive the support plate 14 to move up and down.

[0026] There are three screw rods 21 on each support 2, and the three screw rods 21 are evenly arranged on the support 2 at equal intervals, that is, a total of twelve screw rods 21 and the pressing plate 23 can firmly fix the concrete block.

[0027] There are four hydraulic rods 13 symmetrically distributed on the horizontal part of the main support 12 .

[0028] Two sliders 31 are symmetrically arranged on the upper surface of the extrusion head 3, and the support plate 14 is provided with a through groove matched with the slider 31. The slider 31 is slidably installed in the through groove. A limiting plate 32 is arranged on the upper surface of the slider 31. The length and width of the limiting plate 32 are both greater than the length and width of the through groove, that is, the extrusion head 3 and the slider 31 can move up and down in the through groove, and the limiting plate 32 can prevent the extrusion head 3 from leaving the through groove.

[0029] The extrusion head 3 is in the shape of an elongated strip, the length of the extrusion head 3 is consistent with the length of the central through slot 11 , and the lower surface of the extrusion head 3 is in the shape of an arc.

[0030] Two protective plates 4 are symmetrically arranged on the upper surface of the workbench 1. The two protective plates 4 are symmetrically located on both sides of the central through groove 11. The protective plates 4 are rotatably connected to the workbench 1. When the protective plates 4 are rotated to an upright state, they can block splashing concrete debris.

[0031] An industrial control display screen 15 is also provided on the workbench 1 , and the pressure sensor 33 signal is connected to the industrial control display screen 15 , so that the value detected by the pressure sensor 33 can be displayed on the industrial control display screen 15 .

[0032] In summary: put the concrete sample block on the workbench 1 and just above the central through slot 11, hold the screw handle 22 and turn it, which can drive the screw rod 21 to move downward, so that the pressing plate 23 can fit on the upper surface of the concrete sample block, and the pressing plate 23 firmly fixes the concrete block sample;

[0033] The hydraulic rod 13 extends, driving the support plate 14 to move downward, and the extrusion head 3 moves downward together with the support plate 14. When the lower surface of the extrusion head 3 begins to contact the upper surface of the concrete sample block, the extrusion head 3 moves upward toward the support plate 14 until the pressure sensor 33 is attached to the lower surface of the support plate 14, and the relative movement between the extrusion head 3 and the support plate 14 stops. At this time, the extrusion head 3 and the support plate 14 move downward together with the extension of the hydraulic rod 13, that is, the extrusion head 3 continues to extrude the concrete sample block, and the industrial control display screen 15 displays the pressure value in real time until the concrete block is fractured;

[0034] During the above-mentioned extrusion process, the protective plates 4 on both sides can be rotated to a vertical state, and the workers stand behind the protective plates 4. When the concrete block breaks, the protective plates 4 can block the flying debris.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A building material testing device, characterized in that: The invention comprises a workbench (1), wherein a central through slot (11) penetrating the workbench (1) is arranged at the center of the workbench (1), wherein the central through slot (11) is in a square shape, and a support (2) is arranged on the upper surface of the workbench (1) around the central through slot (11), wherein the support (2) is in an inverted "L" shape, and a screw (21) penetrating the support (2) is arranged on the horizontal part of the support (2); The screw rod (21) is perpendicular to the horizontal part of the support (2), the screw rod (21) is threadedly connected to the support (2), a screw handle (22) is provided at the upper end of the screw rod (21), a pressing plate (23) is provided at the lower end of the screw rod (21), and an anti-slip pad (24) is provided on the lower surface of the pressing plate (23); The upper surface of the workbench (1) is provided with a main support (12), the main support (12) is in an inverted "L" shape, a hydraulic rod (13) is vertically provided on the horizontal part of the main support (12), the piston rod of the hydraulic rod (13) is downwardly facing and a support plate (14) is provided at the end of the piston rod, an extrusion head (3) is provided on the lower surface of the support plate (14), the extrusion head (3) is plugged into the support plate (14), and a pressure sensor (33) is provided on the upper surface of the extrusion head (3).

2. A building material testing device according to claim 1, characterized in that: There are three screw rods (21) on each support (2), and the three screw rods (21) are evenly arranged on the support (2) at equal intervals.

3. A building material testing device according to claim 1, characterized in that: There are four hydraulic rods (13) symmetrically distributed on the horizontal part of the main support (12).

4. A building material testing device according to claim 1, characterized in that: Two sliders (31) are symmetrically arranged on the upper surface of the extrusion head (3); the support plate (14) is provided with a through slot matched with the slider (31); the slider (31) is slidably installed in the through slot; a limit plate (32) is provided on the upper surface of the slider (31); the length and width of the limit plate (32) are both greater than the length and width of the through slot.

5. A building material testing device according to claim 1, characterized in that: The extrusion head (3) is in the shape of an elongated strip, the length of the extrusion head (3) is consistent with the length of the central through slot (11), and the lower surface of the extrusion head (3) is in the shape of an arc.

6. A building material testing device according to claim 1, characterized in that: Two protective plates (4) are also symmetrically arranged on the upper surface of the workbench (1), and the two protective plates (4) are symmetrically located on both sides of the central through groove (11), and the protective plates (4) are rotatably connected to the workbench (1).

7. A building material testing device according to claim 1, characterized in that: An industrial control display screen (15) is also provided on the workbench (1), and the pressure sensor (33) is signal-connected to the industrial control display screen (15).

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